FILE
ice_ethtool.c
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linux-6.19.14/drivers/net/ethernet/intel/ice/ice_ethtool.c
1// SPDX-License-Identifier: GPL-2.0 2/* Copyright (c) 2018, Intel Corporation. */ 3 4/* ethtool support for ice */ 5 6#include "ice.h" 7#include "ice_ethtool.h" 8#include "ice_flow.h" 9#include "ice_fltr.h" 10#include "ice_lib.h" 11#include "ice_dcb_lib.h" 12#include <net/dcbnl.h> 13#include <net/libeth/rx.h> 14 15struct ice_stats { 16 char stat_string[ETH_GSTRING_LEN]; 17 int sizeof_stat; 18 int stat_offset; 19}; 20 21#define ICE_STAT(_type, _name, _stat) { \ 22 .stat_string = _name, \ 23 .sizeof_stat = sizeof_field(_type, _stat), \ 24 .stat_offset = offsetof(_type, _stat) \ 25} 26 27#define ICE_VSI_STAT(_name, _stat) \ 28 ICE_STAT(struct ice_vsi, _name, _stat) 29#define ICE_PF_STAT(_name, _stat) \ 30 ICE_STAT(struct ice_pf, _name, _stat) 31 32static int ice_q_stats_len(struct net_device *netdev) 33{ 34 struct ice_netdev_priv *np = netdev_priv(netdev); 35 36 return ((np->vsi->alloc_txq + np->vsi->alloc_rxq) * 37 (sizeof(struct ice_q_stats) / sizeof(u64))); 38} 39 40#define ICE_PF_STATS_LEN ARRAY_SIZE(ice_gstrings_pf_stats) 41#define ICE_VSI_STATS_LEN ARRAY_SIZE(ice_gstrings_vsi_stats) 42 43#define ICE_PFC_STATS_LEN ( \ 44 (sizeof_field(struct ice_pf, stats.priority_xoff_rx) + \ 45 sizeof_field(struct ice_pf, stats.priority_xon_rx) + \ 46 sizeof_field(struct ice_pf, stats.priority_xoff_tx) + \ 47 sizeof_field(struct ice_pf, stats.priority_xon_tx)) \ 48 / sizeof(u64)) 49#define ICE_ALL_STATS_LEN(n) (ICE_PF_STATS_LEN + ICE_PFC_STATS_LEN + \ 50 ICE_VSI_STATS_LEN + ice_q_stats_len(n)) 51 52static const struct ice_stats ice_gstrings_vsi_stats[] = { 53 ICE_VSI_STAT("rx_unicast", eth_stats.rx_unicast), 54 ICE_VSI_STAT("tx_unicast", eth_stats.tx_unicast), 55 ICE_VSI_STAT("rx_multicast", eth_stats.rx_multicast), 56 ICE_VSI_STAT("tx_multicast", eth_stats.tx_multicast), 57 ICE_VSI_STAT("rx_broadcast", eth_stats.rx_broadcast), 58 ICE_VSI_STAT("tx_broadcast", eth_stats.tx_broadcast), 59 ICE_VSI_STAT("rx_bytes", eth_stats.rx_bytes), 60 ICE_VSI_STAT("tx_bytes", eth_stats.tx_bytes), 61 ICE_VSI_STAT("rx_dropped", eth_stats.rx_discards), 62 ICE_VSI_STAT("rx_unknown_protocol", eth_stats.rx_unknown_protocol), 63 ICE_VSI_STAT("rx_alloc_fail", rx_buf_failed), 64 ICE_VSI_STAT("rx_pg_alloc_fail", rx_page_failed), 65 ICE_VSI_STAT("tx_errors", eth_stats.tx_errors), 66 ICE_VSI_STAT("tx_linearize", tx_linearize), 67 ICE_VSI_STAT("tx_busy", tx_busy), 68 ICE_VSI_STAT("tx_restart", tx_restart), 69}; 70 71enum ice_ethtool_test_id { 72 ICE_ETH_TEST_REG = 0, 73 ICE_ETH_TEST_EEPROM, 74 ICE_ETH_TEST_INTR, 75 ICE_ETH_TEST_LOOP, 76 ICE_ETH_TEST_LINK, 77}; 78 79static const char ice_gstrings_test[][ETH_GSTRING_LEN] = { 80 "Register test (offline)", 81 "EEPROM test (offline)", 82 "Interrupt test (offline)", 83 "Loopback test (offline)", 84 "Link test (on/offline)", 85}; 86 87#define ICE_TEST_LEN (sizeof(ice_gstrings_test) / ETH_GSTRING_LEN) 88 89/* These PF_STATs might look like duplicates of some NETDEV_STATs, 90 * but they aren't. This device is capable of supporting multiple 91 * VSIs/netdevs on a single PF. The NETDEV_STATs are for individual 92 * netdevs whereas the PF_STATs are for the physical function that's 93 * hosting these netdevs. 94 * 95 * The PF_STATs are appended to the netdev stats only when ethtool -S 96 * is queried on the base PF netdev. 97 */ 98static const struct ice_stats ice_gstrings_pf_stats[] = { 99 ICE_PF_STAT("rx_bytes.nic", stats.eth.rx_bytes), 100 ICE_PF_STAT("tx_bytes.nic", stats.eth.tx_bytes), 101 ICE_PF_STAT("rx_unicast.nic", stats.eth.rx_unicast), 102 ICE_PF_STAT("tx_unicast.nic", stats.eth.tx_unicast), 103 ICE_PF_STAT("rx_multicast.nic", stats.eth.rx_multicast), 104 ICE_PF_STAT("tx_multicast.nic", stats.eth.tx_multicast), 105 ICE_PF_STAT("rx_broadcast.nic", stats.eth.rx_broadcast), 106 ICE_PF_STAT("tx_broadcast.nic", stats.eth.tx_broadcast), 107 ICE_PF_STAT("tx_errors.nic", stats.eth.tx_errors), 108 ICE_PF_STAT("tx_timeout.nic", tx_timeout_count), 109 ICE_PF_STAT("rx_size_64.nic", stats.rx_size_64), 110 ICE_PF_STAT("tx_size_64.nic", stats.tx_size_64), 111 ICE_PF_STAT("rx_size_127.nic", stats.rx_size_127), 112 ICE_PF_STAT("tx_size_127.nic", stats.tx_size_127), 113 ICE_PF_STAT("rx_size_255.nic", stats.rx_size_255), 114 ICE_PF_STAT("tx_size_255.nic", stats.tx_size_255), 115 ICE_PF_STAT("rx_size_511.nic", stats.rx_size_511), 116 ICE_PF_STAT("tx_size_511.nic", stats.tx_size_511), 117 ICE_PF_STAT("rx_size_1023.nic", stats.rx_size_1023), 118 ICE_PF_STAT("tx_size_1023.nic", stats.tx_size_1023), 119 ICE_PF_STAT("rx_size_1522.nic", stats.rx_size_1522), 120 ICE_PF_STAT("tx_size_1522.nic", stats.tx_size_1522), 121 ICE_PF_STAT("rx_size_big.nic", stats.rx_size_big), 122 ICE_PF_STAT("tx_size_big.nic", stats.tx_size_big), 123 ICE_PF_STAT("link_xon_rx.nic", stats.link_xon_rx), 124 ICE_PF_STAT("link_xon_tx.nic", stats.link_xon_tx), 125 ICE_PF_STAT("link_xoff_rx.nic", stats.link_xoff_rx), 126 ICE_PF_STAT("link_xoff_tx.nic", stats.link_xoff_tx), 127 ICE_PF_STAT("tx_dropped_link_down.nic", stats.tx_dropped_link_down), 128 ICE_PF_STAT("rx_undersize.nic", stats.rx_undersize), 129 ICE_PF_STAT("rx_fragments.nic", stats.rx_fragments), 130 ICE_PF_STAT("rx_oversize.nic", stats.rx_oversize), 131 ICE_PF_STAT("rx_jabber.nic", stats.rx_jabber), 132 ICE_PF_STAT("rx_csum_bad.nic", hw_csum_rx_error), 133 ICE_PF_STAT("rx_eipe_error.nic", hw_rx_eipe_error), 134 ICE_PF_STAT("rx_dropped.nic", stats.eth.rx_discards), 135 ICE_PF_STAT("rx_crc_errors.nic", stats.crc_errors), 136 ICE_PF_STAT("illegal_bytes.nic", stats.illegal_bytes), 137 ICE_PF_STAT("mac_local_faults.nic", stats.mac_local_faults), 138 ICE_PF_STAT("mac_remote_faults.nic", stats.mac_remote_faults), 139 ICE_PF_STAT("fdir_sb_match.nic", stats.fd_sb_match), 140 ICE_PF_STAT("fdir_sb_status.nic", stats.fd_sb_status), 141 ICE_PF_STAT("tx_hwtstamp_skipped", ptp.tx_hwtstamp_skipped), 142 ICE_PF_STAT("tx_hwtstamp_timeouts", ptp.tx_hwtstamp_timeouts), 143 ICE_PF_STAT("tx_hwtstamp_flushed", ptp.tx_hwtstamp_flushed), 144 ICE_PF_STAT("tx_hwtstamp_discarded", ptp.tx_hwtstamp_discarded), 145 ICE_PF_STAT("late_cached_phc_updates", ptp.late_cached_phc_updates), 146}; 147 148static const u32 ice_regs_dump_list[] = { 149 PFGEN_STATE, 150 PRTGEN_STATUS, 151 QRX_CTRL(0), 152 QINT_TQCTL(0), 153 QINT_RQCTL(0), 154 PFINT_OICR_ENA, 155 QRX_ITR(0), 156#define GLDCB_TLPM_PCI_DM 0x000A0180 157 GLDCB_TLPM_PCI_DM, 158#define GLDCB_TLPM_TC2PFC 0x000A0194 159 GLDCB_TLPM_TC2PFC, 160#define TCDCB_TLPM_WAIT_DM(_i) (0x000A0080 + ((_i) * 4)) 161 TCDCB_TLPM_WAIT_DM(0), 162 TCDCB_TLPM_WAIT_DM(1), 163 TCDCB_TLPM_WAIT_DM(2), 164 TCDCB_TLPM_WAIT_DM(3), 165 TCDCB_TLPM_WAIT_DM(4), 166 TCDCB_TLPM_WAIT_DM(5), 167 TCDCB_TLPM_WAIT_DM(6), 168 TCDCB_TLPM_WAIT_DM(7), 169 TCDCB_TLPM_WAIT_DM(8), 170 TCDCB_TLPM_WAIT_DM(9), 171 TCDCB_TLPM_WAIT_DM(10), 172 TCDCB_TLPM_WAIT_DM(11), 173 TCDCB_TLPM_WAIT_DM(12), 174 TCDCB_TLPM_WAIT_DM(13), 175 TCDCB_TLPM_WAIT_DM(14), 176 TCDCB_TLPM_WAIT_DM(15), 177 TCDCB_TLPM_WAIT_DM(16), 178 TCDCB_TLPM_WAIT_DM(17), 179 TCDCB_TLPM_WAIT_DM(18), 180 TCDCB_TLPM_WAIT_DM(19), 181 TCDCB_TLPM_WAIT_DM(20), 182 TCDCB_TLPM_WAIT_DM(21), 183 TCDCB_TLPM_WAIT_DM(22), 184 TCDCB_TLPM_WAIT_DM(23), 185 TCDCB_TLPM_WAIT_DM(24), 186 TCDCB_TLPM_WAIT_DM(25), 187 TCDCB_TLPM_WAIT_DM(26), 188 TCDCB_TLPM_WAIT_DM(27), 189 TCDCB_TLPM_WAIT_DM(28), 190 TCDCB_TLPM_WAIT_DM(29), 191 TCDCB_TLPM_WAIT_DM(30), 192 TCDCB_TLPM_WAIT_DM(31), 193#define GLPCI_WATMK_CLNT_PIPEMON 0x000BFD90 194 GLPCI_WATMK_CLNT_PIPEMON, 195#define GLPCI_CUR_CLNT_COMMON 0x000BFD84 196 GLPCI_CUR_CLNT_COMMON, 197#define GLPCI_CUR_CLNT_PIPEMON 0x000BFD88 198 GLPCI_CUR_CLNT_PIPEMON, 199#define GLPCI_PCIERR 0x0009DEB0 200 GLPCI_PCIERR, 201#define GLPSM_DEBUG_CTL_STATUS 0x000B0600 202 GLPSM_DEBUG_CTL_STATUS, 203#define GLPSM0_DEBUG_FIFO_OVERFLOW_DETECT 0x000B0680 204 GLPSM0_DEBUG_FIFO_OVERFLOW_DETECT, 205#define GLPSM0_DEBUG_FIFO_UNDERFLOW_DETECT 0x000B0684 206 GLPSM0_DEBUG_FIFO_UNDERFLOW_DETECT, 207#define GLPSM0_DEBUG_DT_OUT_OF_WINDOW 0x000B0688 208 GLPSM0_DEBUG_DT_OUT_OF_WINDOW, 209#define GLPSM0_DEBUG_INTF_HW_ERROR_DETECT 0x000B069C 210 GLPSM0_DEBUG_INTF_HW_ERROR_DETECT, 211#define GLPSM0_DEBUG_MISC_HW_ERROR_DETECT 0x000B06A0 212 GLPSM0_DEBUG_MISC_HW_ERROR_DETECT, 213#define GLPSM1_DEBUG_FIFO_OVERFLOW_DETECT 0x000B0E80 214 GLPSM1_DEBUG_FIFO_OVERFLOW_DETECT, 215#define GLPSM1_DEBUG_FIFO_UNDERFLOW_DETECT 0x000B0E84 216 GLPSM1_DEBUG_FIFO_UNDERFLOW_DETECT, 217#define GLPSM1_DEBUG_SRL_FIFO_OVERFLOW_DETECT 0x000B0E88 218 GLPSM1_DEBUG_SRL_FIFO_OVERFLOW_DETECT, 219#define GLPSM1_DEBUG_SRL_FIFO_UNDERFLOW_DETECT 0x000B0E8C 220 GLPSM1_DEBUG_SRL_FIFO_UNDERFLOW_DETECT, 221#define GLPSM1_DEBUG_MISC_HW_ERROR_DETECT 0x000B0E90 222 GLPSM1_DEBUG_MISC_HW_ERROR_DETECT, 223#define GLPSM2_DEBUG_FIFO_OVERFLOW_DETECT 0x000B1680 224 GLPSM2_DEBUG_FIFO_OVERFLOW_DETECT, 225#define GLPSM2_DEBUG_FIFO_UNDERFLOW_DETECT 0x000B1684 226 GLPSM2_DEBUG_FIFO_UNDERFLOW_DETECT, 227#define GLPSM2_DEBUG_MISC_HW_ERROR_DETECT 0x000B1688 228 GLPSM2_DEBUG_MISC_HW_ERROR_DETECT, 229#define GLTDPU_TCLAN_COMP_BOB(_i) (0x00049ADC + ((_i) * 4)) 230 GLTDPU_TCLAN_COMP_BOB(1), 231 GLTDPU_TCLAN_COMP_BOB(2), 232 GLTDPU_TCLAN_COMP_BOB(3), 233 GLTDPU_TCLAN_COMP_BOB(4), 234 GLTDPU_TCLAN_COMP_BOB(5), 235 GLTDPU_TCLAN_COMP_BOB(6), 236 GLTDPU_TCLAN_COMP_BOB(7), 237 GLTDPU_TCLAN_COMP_BOB(8), 238#define GLTDPU_TCB_CMD_BOB(_i) (0x0004975C + ((_i) * 4)) 239 GLTDPU_TCB_CMD_BOB(1), 240 GLTDPU_TCB_CMD_BOB(2), 241 GLTDPU_TCB_CMD_BOB(3), 242 GLTDPU_TCB_CMD_BOB(4), 243 GLTDPU_TCB_CMD_BOB(5), 244 GLTDPU_TCB_CMD_BOB(6), 245 GLTDPU_TCB_CMD_BOB(7), 246 GLTDPU_TCB_CMD_BOB(8), 247#define GLTDPU_PSM_UPDATE_BOB(_i) (0x00049B5C + ((_i) * 4)) 248 GLTDPU_PSM_UPDATE_BOB(1), 249 GLTDPU_PSM_UPDATE_BOB(2), 250 GLTDPU_PSM_UPDATE_BOB(3), 251 GLTDPU_PSM_UPDATE_BOB(4), 252 GLTDPU_PSM_UPDATE_BOB(5), 253 GLTDPU_PSM_UPDATE_BOB(6), 254 GLTDPU_PSM_UPDATE_BOB(7), 255 GLTDPU_PSM_UPDATE_BOB(8), 256#define GLTCB_CMD_IN_BOB(_i) (0x000AE288 + ((_i) * 4)) 257 GLTCB_CMD_IN_BOB(1), 258 GLTCB_CMD_IN_BOB(2), 259 GLTCB_CMD_IN_BOB(3), 260 GLTCB_CMD_IN_BOB(4), 261 GLTCB_CMD_IN_BOB(5), 262 GLTCB_CMD_IN_BOB(6), 263 GLTCB_CMD_IN_BOB(7), 264 GLTCB_CMD_IN_BOB(8), 265#define GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(_i) (0x000FC148 + ((_i) * 4)) 266 GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(1), 267 GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(2), 268 GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(3), 269 GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(4), 270 GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(5), 271 GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(6), 272 GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(7), 273 GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(8), 274#define GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(_i) (0x000FC248 + ((_i) * 4)) 275 GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(1), 276 GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(2), 277 GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(3), 278 GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(4), 279 GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(5), 280 GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(6), 281 GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(7), 282 GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(8), 283#define GLLAN_TCLAN_CACHE_CTL_BOB_CTL(_i) (0x000FC1C8 + ((_i) * 4)) 284 GLLAN_TCLAN_CACHE_CTL_BOB_CTL(1), 285 GLLAN_TCLAN_CACHE_CTL_BOB_CTL(2), 286 GLLAN_TCLAN_CACHE_CTL_BOB_CTL(3), 287 GLLAN_TCLAN_CACHE_CTL_BOB_CTL(4), 288 GLLAN_TCLAN_CACHE_CTL_BOB_CTL(5), 289 GLLAN_TCLAN_CACHE_CTL_BOB_CTL(6), 290 GLLAN_TCLAN_CACHE_CTL_BOB_CTL(7), 291 GLLAN_TCLAN_CACHE_CTL_BOB_CTL(8), 292#define GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(_i) (0x000FC188 + ((_i) * 4)) 293 GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(1), 294 GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(2), 295 GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(3), 296 GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(4), 297 GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(5), 298 GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(6), 299 GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(7), 300 GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(8), 301#define GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(_i) (0x000FC288 + ((_i) * 4)) 302 GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(1), 303 GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(2), 304 GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(3), 305 GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(4), 306 GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(5), 307 GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(6), 308 GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(7), 309 GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(8), 310#define PRTDCB_TCUPM_REG_CM(_i) (0x000BC360 + ((_i) * 4)) 311 PRTDCB_TCUPM_REG_CM(0), 312 PRTDCB_TCUPM_REG_CM(1), 313 PRTDCB_TCUPM_REG_CM(2), 314 PRTDCB_TCUPM_REG_CM(3), 315#define PRTDCB_TCUPM_REG_DM(_i) (0x000BC3A0 + ((_i) * 4)) 316 PRTDCB_TCUPM_REG_DM(0), 317 PRTDCB_TCUPM_REG_DM(1), 318 PRTDCB_TCUPM_REG_DM(2), 319 PRTDCB_TCUPM_REG_DM(3), 320#define PRTDCB_TLPM_REG_DM(_i) (0x000A0000 + ((_i) * 4)) 321 PRTDCB_TLPM_REG_DM(0), 322 PRTDCB_TLPM_REG_DM(1), 323 PRTDCB_TLPM_REG_DM(2), 324 PRTDCB_TLPM_REG_DM(3), 325}; 326 327struct ice_priv_flag { 328 char name[ETH_GSTRING_LEN]; 329 u32 bitno; /* bit position in pf->flags */ 330}; 331 332#define ICE_PRIV_FLAG(_name, _bitno) { \ 333 .name = _name, \ 334 .bitno = _bitno, \ 335} 336 337static const struct ice_priv_flag ice_gstrings_priv_flags[] = { 338 ICE_PRIV_FLAG("link-down-on-close", ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA), 339 ICE_PRIV_FLAG("fw-lldp-agent", ICE_FLAG_FW_LLDP_AGENT), 340 ICE_PRIV_FLAG("vf-true-promisc-support", 341 ICE_FLAG_VF_TRUE_PROMISC_ENA), 342 ICE_PRIV_FLAG("mdd-auto-reset-vf", ICE_FLAG_MDD_AUTO_RESET_VF), 343 ICE_PRIV_FLAG("vf-vlan-pruning", ICE_FLAG_VF_VLAN_PRUNING), 344}; 345 346#define ICE_PRIV_FLAG_ARRAY_SIZE ARRAY_SIZE(ice_gstrings_priv_flags) 347 348static const u32 ice_adv_lnk_speed_100[] __initconst = { 349 ETHTOOL_LINK_MODE_100baseT_Full_BIT, 350}; 351 352static const u32 ice_adv_lnk_speed_1000[] __initconst = { 353 ETHTOOL_LINK_MODE_1000baseX_Full_BIT, 354 ETHTOOL_LINK_MODE_1000baseT_Full_BIT, 355 ETHTOOL_LINK_MODE_1000baseKX_Full_BIT, 356}; 357 358static const u32 ice_adv_lnk_speed_2500[] __initconst = { 359 ETHTOOL_LINK_MODE_2500baseT_Full_BIT, 360 ETHTOOL_LINK_MODE_2500baseX_Full_BIT, 361}; 362 363static const u32 ice_adv_lnk_speed_5000[] __initconst = { 364 ETHTOOL_LINK_MODE_5000baseT_Full_BIT, 365}; 366 367static const u32 ice_adv_lnk_speed_10000[] __initconst = { 368 ETHTOOL_LINK_MODE_10000baseT_Full_BIT, 369 ETHTOOL_LINK_MODE_10000baseKR_Full_BIT, 370 ETHTOOL_LINK_MODE_10000baseSR_Full_BIT, 371 ETHTOOL_LINK_MODE_10000baseLR_Full_BIT, 372}; 373 374static const u32 ice_adv_lnk_speed_25000[] __initconst = { 375 ETHTOOL_LINK_MODE_25000baseCR_Full_BIT, 376 ETHTOOL_LINK_MODE_25000baseSR_Full_BIT, 377 ETHTOOL_LINK_MODE_25000baseKR_Full_BIT, 378}; 379 380static const u32 ice_adv_lnk_speed_40000[] __initconst = { 381 ETHTOOL_LINK_MODE_40000baseCR4_Full_BIT, 382 ETHTOOL_LINK_MODE_40000baseSR4_Full_BIT, 383 ETHTOOL_LINK_MODE_40000baseLR4_Full_BIT, 384 ETHTOOL_LINK_MODE_40000baseKR4_Full_BIT, 385}; 386 387static const u32 ice_adv_lnk_speed_50000[] __initconst = { 388 ETHTOOL_LINK_MODE_50000baseCR2_Full_BIT, 389 ETHTOOL_LINK_MODE_50000baseKR2_Full_BIT, 390 ETHTOOL_LINK_MODE_50000baseSR2_Full_BIT, 391}; 392 393static const u32 ice_adv_lnk_speed_100000[] __initconst = { 394 ETHTOOL_LINK_MODE_100000baseCR4_Full_BIT, 395 ETHTOOL_LINK_MODE_100000baseSR4_Full_BIT, 396 ETHTOOL_LINK_MODE_100000baseLR4_ER4_Full_BIT, 397 ETHTOOL_LINK_MODE_100000baseKR4_Full_BIT, 398 ETHTOOL_LINK_MODE_100000baseCR2_Full_BIT, 399 ETHTOOL_LINK_MODE_100000baseSR2_Full_BIT, 400 ETHTOOL_LINK_MODE_100000baseKR2_Full_BIT, 401}; 402 403static const u32 ice_adv_lnk_speed_200000[] __initconst = { 404 ETHTOOL_LINK_MODE_200000baseKR4_Full_BIT, 405 ETHTOOL_LINK_MODE_200000baseSR4_Full_BIT, 406 ETHTOOL_LINK_MODE_200000baseLR4_ER4_FR4_Full_BIT, 407 ETHTOOL_LINK_MODE_200000baseDR4_Full_BIT, 408 ETHTOOL_LINK_MODE_200000baseCR4_Full_BIT, 409}; 410 411static struct ethtool_forced_speed_map ice_adv_lnk_speed_maps[] __ro_after_init = { 412 ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 100), 413 ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 1000), 414 ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 2500), 415 ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 5000), 416 ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 10000), 417 ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 25000), 418 ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 40000), 419 ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 50000), 420 ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 100000), 421 ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 200000), 422}; 423 424void __init ice_adv_lnk_speed_maps_init(void) 425{ 426 ethtool_forced_speed_maps_init(ice_adv_lnk_speed_maps, 427 ARRAY_SIZE(ice_adv_lnk_speed_maps)); 428} 429 430static void 431__ice_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo, 432 struct ice_vsi *vsi) 433{ 434 struct ice_pf *pf = vsi->back; 435 struct ice_hw *hw = &pf->hw; 436 struct ice_orom_info *orom; 437 struct ice_nvm_info *nvm; 438 439 nvm = &hw->flash.nvm; 440 orom = &hw->flash.orom; 441 442 strscpy(drvinfo->driver, KBUILD_MODNAME, sizeof(drvinfo->driver)); 443 444 /* Display NVM version (from which the firmware version can be 445 * determined) which contains more pertinent information. 446 */ 447 snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version), 448 "%x.%02x 0x%x %d.%d.%d", nvm->major, nvm->minor, 449 nvm->eetrack, orom->major, orom->build, orom->patch); 450 451 strscpy(drvinfo->bus_info, pci_name(pf->pdev), 452 sizeof(drvinfo->bus_info)); 453} 454 455static void 456ice_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo) 457{ 458 struct ice_netdev_priv *np = netdev_priv(netdev); 459 460 __ice_get_drvinfo(netdev, drvinfo, np->vsi); 461 drvinfo->n_priv_flags = ICE_PRIV_FLAG_ARRAY_SIZE; 462} 463 464static int ice_get_regs_len(struct net_device __always_unused *netdev) 465{ 466 return (sizeof(ice_regs_dump_list) + 467 sizeof(struct ice_regdump_to_ethtool)); 468} 469 470/** 471 * ice_ethtool_get_maxspeed - Get the max speed for given lport 472 * @hw: pointer to the HW struct 473 * @lport: logical port for which max speed is requested 474 * @max_speed: return max speed for input lport 475 * 476 * Return: 0 on success, negative on failure. 477 */ 478static int ice_ethtool_get_maxspeed(struct ice_hw *hw, u8 lport, u8 *max_speed) 479{ 480 struct ice_aqc_get_port_options_elem options[ICE_AQC_PORT_OPT_MAX] = {}; 481 bool active_valid = false, pending_valid = true; 482 u8 option_count = ICE_AQC_PORT_OPT_MAX; 483 u8 active_idx = 0, pending_idx = 0; 484 int status; 485 486 status = ice_aq_get_port_options(hw, options, &option_count, lport, 487 true, &active_idx, &active_valid, 488 &pending_idx, &pending_valid); 489 if (status) 490 return -EIO; 491 if (!active_valid) 492 return -EINVAL; 493 494 *max_speed = options[active_idx].max_lane_speed & ICE_AQC_PORT_OPT_MAX_LANE_M; 495 return 0; 496} 497 498/** 499 * ice_is_serdes_muxed - returns whether serdes is muxed in hardware 500 * @hw: pointer to the HW struct 501 * 502 * Return: true when serdes is muxed, false when serdes is not muxed. 503 */ 504static bool ice_is_serdes_muxed(struct ice_hw *hw) 505{ 506 u32 reg_value = rd32(hw, GLGEN_SWITCH_MODE_CONFIG); 507 508 return FIELD_GET(GLGEN_SWITCH_MODE_CONFIG_25X4_QUAD_M, reg_value); 509} 510 511static int ice_map_port_topology_for_sfp(struct ice_port_topology *port_topology, 512 u8 lport, bool is_muxed) 513{ 514 switch (lport) { 515 case 0: 516 port_topology->pcs_quad_select = 0; 517 port_topology->pcs_port = 0; 518 port_topology->primary_serdes_lane = 0; 519 break; 520 case 1: 521 port_topology->pcs_quad_select = 1; 522 port_topology->pcs_port = 0; 523 if (is_muxed) 524 port_topology->primary_serdes_lane = 2; 525 else 526 port_topology->primary_serdes_lane = 4; 527 break; 528 case 2: 529 port_topology->pcs_quad_select = 0; 530 port_topology->pcs_port = 1; 531 port_topology->primary_serdes_lane = 1; 532 break; 533 case 3: 534 port_topology->pcs_quad_select = 1; 535 port_topology->pcs_port = 1; 536 if (is_muxed) 537 port_topology->primary_serdes_lane = 3; 538 else 539 port_topology->primary_serdes_lane = 5; 540 break; 541 case 4: 542 port_topology->pcs_quad_select = 0; 543 port_topology->pcs_port = 2; 544 port_topology->primary_serdes_lane = 2; 545 break; 546 case 5: 547 port_topology->pcs_quad_select = 1; 548 port_topology->pcs_port = 2; 549 port_topology->primary_serdes_lane = 6; 550 break; 551 case 6: 552 port_topology->pcs_quad_select = 0; 553 port_topology->pcs_port = 3; 554 port_topology->primary_serdes_lane = 3; 555 break; 556 case 7: 557 port_topology->pcs_quad_select = 1; 558 port_topology->pcs_port = 3; 559 port_topology->primary_serdes_lane = 7; 560 break; 561 default: 562 return -EINVAL; 563 } 564 565 return 0; 566} 567 568static int ice_map_port_topology_for_qsfp(struct ice_port_topology *port_topology, 569 u8 lport, bool is_muxed) 570{ 571 switch (lport) { 572 case 0: 573 port_topology->pcs_quad_select = 0; 574 port_topology->pcs_port = 0; 575 port_topology->primary_serdes_lane = 0; 576 break; 577 case 1: 578 port_topology->pcs_quad_select = 1; 579 port_topology->pcs_port = 0; 580 if (is_muxed) 581 port_topology->primary_serdes_lane = 2; 582 else 583 port_topology->primary_serdes_lane = 4; 584 break; 585 case 2: 586 port_topology->pcs_quad_select = 0; 587 port_topology->pcs_port = 1; 588 port_topology->primary_serdes_lane = 1; 589 break; 590 case 3: 591 port_topology->pcs_quad_select = 1; 592 port_topology->pcs_port = 1; 593 if (is_muxed) 594 port_topology->primary_serdes_lane = 3; 595 else 596 port_topology->primary_serdes_lane = 5; 597 break; 598 case 4: 599 port_topology->pcs_quad_select = 0; 600 port_topology->pcs_port = 2; 601 port_topology->primary_serdes_lane = 2; 602 break; 603 case 5: 604 port_topology->pcs_quad_select = 1; 605 port_topology->pcs_port = 2; 606 port_topology->primary_serdes_lane = 6; 607 break; 608 case 6: 609 port_topology->pcs_quad_select = 0; 610 port_topology->pcs_port = 3; 611 port_topology->primary_serdes_lane = 3; 612 break; 613 case 7: 614 port_topology->pcs_quad_select = 1; 615 port_topology->pcs_port = 3; 616 port_topology->primary_serdes_lane = 7; 617 break; 618 default: 619 return -EINVAL; 620 } 621 622 return 0; 623} 624 625/** 626 * ice_get_port_topology - returns physical topology like pcsquad, pcsport, 627 * serdes number 628 * @hw: pointer to the HW struct 629 * @lport: logical port for which physical info requested 630 * @port_topology: buffer to hold port topology 631 * 632 * Return: 0 on success, negative on failure. 633 */ 634static int ice_get_port_topology(struct ice_hw *hw, u8 lport, 635 struct ice_port_topology *port_topology) 636{ 637 struct ice_aqc_get_link_topo cmd = {}; 638 u16 node_handle = 0; 639 u8 cage_type = 0; 640 bool is_muxed; 641 int err; 642 u8 ctx; 643 644 ctx = ICE_AQC_LINK_TOPO_NODE_TYPE_CAGE << ICE_AQC_LINK_TOPO_NODE_TYPE_S; 645 ctx |= ICE_AQC_LINK_TOPO_NODE_CTX_PORT << ICE_AQC_LINK_TOPO_NODE_CTX_S; 646 cmd.addr.topo_params.node_type_ctx = ctx; 647 648 err = ice_aq_get_netlist_node(hw, &cmd, &cage_type, &node_handle); 649 if (err) 650 return -EINVAL; 651 652 is_muxed = ice_is_serdes_muxed(hw); 653 654 if (cage_type == 0x11 || /* SFP+ */ 655 cage_type == 0x12) { /* SFP28 */ 656 port_topology->serdes_lane_count = 1; 657 err = ice_map_port_topology_for_sfp(port_topology, lport, is_muxed); 658 if (err) 659 return err; 660 } else if (cage_type == 0x13 || /* QSFP */ 661 cage_type == 0x14) { /* QSFP28 */ 662 u8 max_speed = 0; 663 664 err = ice_ethtool_get_maxspeed(hw, lport, &max_speed); 665 if (err) 666 return err; 667 668 if (max_speed == ICE_AQC_PORT_OPT_MAX_LANE_100G) 669 port_topology->serdes_lane_count = 4; 670 else if (max_speed == ICE_AQC_PORT_OPT_MAX_LANE_50G || 671 max_speed == ICE_AQC_PORT_OPT_MAX_LANE_40G) 672 port_topology->serdes_lane_count = 2; 673 else 674 port_topology->serdes_lane_count = 1; 675 676 err = ice_map_port_topology_for_qsfp(port_topology, lport, is_muxed); 677 if (err) 678 return err; 679 } else { 680 return -EINVAL; 681 } 682 683 return 0; 684} 685 686/** 687 * ice_get_tx_rx_equa - read serdes tx rx equaliser param 688 * @hw: pointer to the HW struct 689 * @serdes_num: represents the serdes number 690 * @ptr: structure to read all serdes parameter for given serdes 691 * 692 * Return: all serdes equalization parameter supported per serdes number 693 */ 694static int ice_get_tx_rx_equa(struct ice_hw *hw, u8 serdes_num, 695 struct ice_serdes_equalization_to_ethtool *ptr) 696{ 697 static const int tx = ICE_AQC_OP_CODE_TX_EQU; 698 static const int rx = ICE_AQC_OP_CODE_RX_EQU; 699 struct { 700 int data_in; 701 int opcode; 702 int *out; 703 } aq_params[] = { 704 { ICE_AQC_TX_EQU_PRE1, tx, &ptr->tx_equ_pre1 }, 705 { ICE_AQC_TX_EQU_PRE3, tx, &ptr->tx_equ_pre3 }, 706 { ICE_AQC_TX_EQU_ATTEN, tx, &ptr->tx_equ_atten }, 707 { ICE_AQC_TX_EQU_POST1, tx, &ptr->tx_equ_post1 }, 708 { ICE_AQC_TX_EQU_PRE2, tx, &ptr->tx_equ_pre2 }, 709 { ICE_AQC_RX_EQU_PRE2, rx, &ptr->rx_equ_pre2 }, 710 { ICE_AQC_RX_EQU_PRE1, rx, &ptr->rx_equ_pre1 }, 711 { ICE_AQC_RX_EQU_POST1, rx, &ptr->rx_equ_post1 }, 712 { ICE_AQC_RX_EQU_BFLF, rx, &ptr->rx_equ_bflf }, 713 { ICE_AQC_RX_EQU_BFHF, rx, &ptr->rx_equ_bfhf }, 714 { ICE_AQC_RX_EQU_CTLE_GAINHF, rx, &ptr->rx_equ_ctle_gainhf }, 715 { ICE_AQC_RX_EQU_CTLE_GAINLF, rx, &ptr->rx_equ_ctle_gainlf }, 716 { ICE_AQC_RX_EQU_CTLE_GAINDC, rx, &ptr->rx_equ_ctle_gaindc }, 717 { ICE_AQC_RX_EQU_CTLE_BW, rx, &ptr->rx_equ_ctle_bw }, 718 { ICE_AQC_RX_EQU_DFE_GAIN, rx, &ptr->rx_equ_dfe_gain }, 719 { ICE_AQC_RX_EQU_DFE_GAIN2, rx, &ptr->rx_equ_dfe_gain_2 }, 720 { ICE_AQC_RX_EQU_DFE_2, rx, &ptr->rx_equ_dfe_2 }, 721 { ICE_AQC_RX_EQU_DFE_3, rx, &ptr->rx_equ_dfe_3 }, 722 { ICE_AQC_RX_EQU_DFE_4, rx, &ptr->rx_equ_dfe_4 }, 723 { ICE_AQC_RX_EQU_DFE_5, rx, &ptr->rx_equ_dfe_5 }, 724 { ICE_AQC_RX_EQU_DFE_6, rx, &ptr->rx_equ_dfe_6 }, 725 { ICE_AQC_RX_EQU_DFE_7, rx, &ptr->rx_equ_dfe_7 }, 726 { ICE_AQC_RX_EQU_DFE_8, rx, &ptr->rx_equ_dfe_8 }, 727 { ICE_AQC_RX_EQU_DFE_9, rx, &ptr->rx_equ_dfe_9 }, 728 { ICE_AQC_RX_EQU_DFE_10, rx, &ptr->rx_equ_dfe_10 }, 729 { ICE_AQC_RX_EQU_DFE_11, rx, &ptr->rx_equ_dfe_11 }, 730 { ICE_AQC_RX_EQU_DFE_12, rx, &ptr->rx_equ_dfe_12 }, 731 }; 732 int err; 733 734 for (int i = 0; i < ARRAY_SIZE(aq_params); i++) { 735 err = ice_aq_get_phy_equalization(hw, aq_params[i].data_in, 736 aq_params[i].opcode, 737 serdes_num, aq_params[i].out); 738 if (err) 739 break; 740 } 741 742 return err; 743} 744 745/** 746 * ice_get_extended_regs - returns FEC correctable, uncorrectable stats per 747 * pcsquad, pcsport 748 * @netdev: pointer to net device structure 749 * @p: output buffer to fill requested register dump 750 * 751 * Return: 0 on success, negative on failure. 752 */ 753static int ice_get_extended_regs(struct net_device *netdev, void *p) 754{ 755 struct ice_netdev_priv *np = netdev_priv(netdev); 756 struct ice_regdump_to_ethtool *ice_prv_regs_buf; 757 struct ice_port_topology port_topology = {}; 758 struct ice_port_info *pi; 759 struct ice_pf *pf; 760 struct ice_hw *hw; 761 unsigned int i; 762 int err; 763 764 pf = np->vsi->back; 765 hw = &pf->hw; 766 pi = np->vsi->port_info; 767 768 /* Serdes parameters are not supported if not the PF VSI */ 769 if (np->vsi->type != ICE_VSI_PF || !pi) 770 return -EINVAL; 771 772 err = ice_get_port_topology(hw, pi->lport, &port_topology); 773 if (err) 774 return -EINVAL; 775 if (port_topology.serdes_lane_count > 4) 776 return -EINVAL; 777 778 ice_prv_regs_buf = p; 779 780 /* Get serdes equalization parameter for available serdes */ 781 for (i = 0; i < port_topology.serdes_lane_count; i++) { 782 u8 serdes_num = 0; 783 784 serdes_num = port_topology.primary_serdes_lane + i; 785 err = ice_get_tx_rx_equa(hw, serdes_num, 786 &ice_prv_regs_buf->equalization[i]); 787 if (err) 788 return -EINVAL; 789 } 790 791 return 0; 792} 793 794static void 795ice_get_regs(struct net_device *netdev, struct ethtool_regs *regs, void *p) 796{ 797 struct ice_pf *pf = ice_netdev_to_pf(netdev); 798 struct ice_hw *hw = &pf->hw; 799 u32 *regs_buf = (u32 *)p; 800 unsigned int i; 801 802 regs->version = 2; 803 804 for (i = 0; i < ARRAY_SIZE(ice_regs_dump_list); ++i) 805 regs_buf[i] = rd32(hw, ice_regs_dump_list[i]); 806 807 ice_get_extended_regs(netdev, (void *)®s_buf[i]); 808} 809 810static u32 ice_get_msglevel(struct net_device *netdev) 811{ 812 struct ice_pf *pf = ice_netdev_to_pf(netdev); 813 814#ifndef CONFIG_DYNAMIC_DEBUG 815 if (pf->hw.debug_mask) 816 netdev_info(netdev, "hw debug_mask: 0x%llX\n", 817 pf->hw.debug_mask); 818#endif /* !CONFIG_DYNAMIC_DEBUG */ 819 820 return pf->msg_enable; 821} 822 823static void ice_set_msglevel(struct net_device *netdev, u32 data) 824{ 825 struct ice_pf *pf = ice_netdev_to_pf(netdev); 826 827#ifndef CONFIG_DYNAMIC_DEBUG 828 if (ICE_DBG_USER & data) 829 pf->hw.debug_mask = data; 830 else 831 pf->msg_enable = data; 832#else 833 pf->msg_enable = data; 834#endif /* !CONFIG_DYNAMIC_DEBUG */ 835} 836 837static void ice_get_link_ext_stats(struct net_device *netdev, 838 struct ethtool_link_ext_stats *stats) 839{ 840 struct ice_pf *pf = ice_netdev_to_pf(netdev); 841 842 stats->link_down_events = pf->link_down_events; 843} 844 845static int ice_get_eeprom_len(struct net_device *netdev) 846{ 847 struct ice_pf *pf = ice_netdev_to_pf(netdev); 848 849 return (int)pf->hw.flash.flash_size; 850} 851 852static int 853ice_get_eeprom(struct net_device *netdev, struct ethtool_eeprom *eeprom, 854 u8 *bytes) 855{ 856 struct ice_pf *pf = ice_netdev_to_pf(netdev); 857 struct ice_hw *hw = &pf->hw; 858 struct device *dev; 859 int ret; 860 u8 *buf; 861 862 dev = ice_pf_to_dev(pf); 863 864 eeprom->magic = hw->vendor_id | (hw->device_id << 16); 865 netdev_dbg(netdev, "GEEPROM cmd 0x%08x, offset 0x%08x, len 0x%08x\n", 866 eeprom->cmd, eeprom->offset, eeprom->len); 867 868 buf = kzalloc(eeprom->len, GFP_KERNEL); 869 if (!buf) 870 return -ENOMEM; 871 872 ret = ice_acquire_nvm(hw, ICE_RES_READ); 873 if (ret) { 874 dev_err(dev, "ice_acquire_nvm failed, err %d aq_err %s\n", 875 ret, libie_aq_str(hw->adminq.sq_last_status)); 876 goto out; 877 } 878 879 ret = ice_read_flat_nvm(hw, eeprom->offset, &eeprom->len, buf, 880 false); 881 if (ret) { 882 dev_err(dev, "ice_read_flat_nvm failed, err %d aq_err %s\n", 883 ret, libie_aq_str(hw->adminq.sq_last_status)); 884 goto release; 885 } 886 887 memcpy(bytes, buf, eeprom->len); 888release: 889 ice_release_nvm(hw); 890out: 891 kfree(buf); 892 return ret; 893} 894 895/** 896 * ice_active_vfs - check if there are any active VFs 897 * @pf: board private structure 898 * 899 * Returns true if an active VF is found, otherwise returns false 900 */ 901static bool ice_active_vfs(struct ice_pf *pf) 902{ 903 bool active = false; 904 struct ice_vf *vf; 905 unsigned int bkt; 906 907 rcu_read_lock(); 908 ice_for_each_vf_rcu(pf, bkt, vf) { 909 if (test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) { 910 active = true; 911 break; 912 } 913 } 914 rcu_read_unlock(); 915 916 return active; 917} 918 919/** 920 * ice_link_test - perform a link test on a given net_device 921 * @netdev: network interface device structure 922 * 923 * This function performs one of the self-tests required by ethtool. 924 * Returns 0 on success, non-zero on failure. 925 */ 926static u64 ice_link_test(struct net_device *netdev) 927{ 928 struct ice_netdev_priv *np = netdev_priv(netdev); 929 bool link_up = false; 930 int status; 931 932 netdev_info(netdev, "link test\n"); 933 status = ice_get_link_status(np->vsi->port_info, &link_up); 934 if (status) { 935 netdev_err(netdev, "link query error, status = %d\n", 936 status); 937 return 1; 938 } 939 940 if (!link_up) 941 return 2; 942 943 return 0; 944} 945 946/** 947 * ice_eeprom_test - perform an EEPROM test on a given net_device 948 * @netdev: network interface device structure 949 * 950 * This function performs one of the self-tests required by ethtool. 951 * Returns 0 on success, non-zero on failure. 952 */ 953static u64 ice_eeprom_test(struct net_device *netdev) 954{ 955 struct ice_pf *pf = ice_netdev_to_pf(netdev); 956 957 netdev_info(netdev, "EEPROM test\n"); 958 return !!(ice_nvm_validate_checksum(&pf->hw)); 959} 960 961/** 962 * ice_reg_pattern_test 963 * @hw: pointer to the HW struct 964 * @reg: reg to be tested 965 * @mask: bits to be touched 966 */ 967static int ice_reg_pattern_test(struct ice_hw *hw, u32 reg, u32 mask) 968{ 969 struct ice_pf *pf = (struct ice_pf *)hw->back; 970 struct device *dev = ice_pf_to_dev(pf); 971 static const u32 patterns[] = { 972 0x5A5A5A5A, 0xA5A5A5A5, 973 0x00000000, 0xFFFFFFFF 974 }; 975 u32 val, orig_val; 976 unsigned int i; 977 978 orig_val = rd32(hw, reg); 979 for (i = 0; i < ARRAY_SIZE(patterns); ++i) { 980 u32 pattern = patterns[i] & mask; 981 982 wr32(hw, reg, pattern); 983 val = rd32(hw, reg); 984 if (val == pattern) 985 continue; 986 dev_err(dev, "%s: reg pattern test failed - reg 0x%08x pat 0x%08x val 0x%08x\n" 987 , __func__, reg, pattern, val); 988 return 1; 989 } 990 991 wr32(hw, reg, orig_val); 992 val = rd32(hw, reg); 993 if (val != orig_val) { 994 dev_err(dev, "%s: reg restore test failed - reg 0x%08x orig 0x%08x val 0x%08x\n" 995 , __func__, reg, orig_val, val); 996 return 1; 997 } 998 999 return 0; 1000} 1001 1002/** 1003 * ice_reg_test - perform a register test on a given net_device 1004 * @netdev: network interface device structure 1005 * 1006 * This function performs one of the self-tests required by ethtool. 1007 * Returns 0 on success, non-zero on failure. 1008 */ 1009static u64 ice_reg_test(struct net_device *netdev) 1010{ 1011 struct ice_netdev_priv *np = netdev_priv(netdev); 1012 struct ice_hw *hw = np->vsi->port_info->hw; 1013 u32 int_elements = hw->func_caps.common_cap.num_msix_vectors ? 1014 hw->func_caps.common_cap.num_msix_vectors - 1 : 1; 1015 struct ice_diag_reg_test_info { 1016 u32 address; 1017 u32 mask; 1018 u32 elem_num; 1019 u32 elem_size; 1020 } ice_reg_list[] = { 1021 {GLINT_ITR(0, 0), 0x00000fff, int_elements, 1022 GLINT_ITR(0, 1) - GLINT_ITR(0, 0)}, 1023 {GLINT_ITR(1, 0), 0x00000fff, int_elements, 1024 GLINT_ITR(1, 1) - GLINT_ITR(1, 0)}, 1025 {GLINT_ITR(0, 0), 0x00000fff, int_elements, 1026 GLINT_ITR(2, 1) - GLINT_ITR(2, 0)}, 1027 {GLINT_CTL, 0xffff0001, 1, 0} 1028 }; 1029 unsigned int i; 1030 1031 netdev_dbg(netdev, "Register test\n"); 1032 for (i = 0; i < ARRAY_SIZE(ice_reg_list); ++i) { 1033 u32 j; 1034 1035 for (j = 0; j < ice_reg_list[i].elem_num; ++j) { 1036 u32 mask = ice_reg_list[i].mask; 1037 u32 reg = ice_reg_list[i].address + 1038 (j * ice_reg_list[i].elem_size); 1039 1040 /* bail on failure (non-zero return) */ 1041 if (ice_reg_pattern_test(hw, reg, mask)) 1042 return 1; 1043 } 1044 } 1045 1046 return 0; 1047} 1048 1049/** 1050 * ice_lbtest_prepare_rings - configure Tx/Rx test rings 1051 * @vsi: pointer to the VSI structure 1052 * 1053 * Function configures rings of a VSI for loopback test without 1054 * enabling interrupts or informing the kernel about new queues. 1055 * 1056 * Returns 0 on success, negative on failure. 1057 */ 1058static int ice_lbtest_prepare_rings(struct ice_vsi *vsi) 1059{ 1060 int status; 1061 1062 status = ice_vsi_setup_tx_rings(vsi); 1063 if (status) 1064 goto err_setup_tx_ring; 1065 1066 status = ice_vsi_setup_rx_rings(vsi); 1067 if (status) 1068 goto err_setup_rx_ring; 1069 1070 status = ice_vsi_cfg_lan(vsi); 1071 if (status) 1072 goto err_setup_rx_ring; 1073 1074 status = ice_vsi_start_all_rx_rings(vsi); 1075 if (status) 1076 goto err_start_rx_ring; 1077 1078 return 0; 1079 1080err_start_rx_ring: 1081 ice_vsi_free_rx_rings(vsi); 1082err_setup_rx_ring: 1083 ice_vsi_stop_lan_tx_rings(vsi, ICE_NO_RESET, 0); 1084err_setup_tx_ring: 1085 ice_vsi_free_tx_rings(vsi); 1086 1087 return status; 1088} 1089 1090/** 1091 * ice_lbtest_disable_rings - disable Tx/Rx test rings after loopback test 1092 * @vsi: pointer to the VSI structure 1093 * 1094 * Function stops and frees VSI rings after a loopback test. 1095 * Returns 0 on success, negative on failure. 1096 */ 1097static int ice_lbtest_disable_rings(struct ice_vsi *vsi) 1098{ 1099 int status; 1100 1101 status = ice_vsi_stop_lan_tx_rings(vsi, ICE_NO_RESET, 0); 1102 if (status) 1103 netdev_err(vsi->netdev, "Failed to stop Tx rings, VSI %d error %d\n", 1104 vsi->vsi_num, status); 1105 1106 status = ice_vsi_stop_all_rx_rings(vsi); 1107 if (status) 1108 netdev_err(vsi->netdev, "Failed to stop Rx rings, VSI %d error %d\n", 1109 vsi->vsi_num, status); 1110 1111 ice_vsi_free_tx_rings(vsi); 1112 ice_vsi_free_rx_rings(vsi); 1113 1114 return status; 1115} 1116 1117/** 1118 * ice_lbtest_create_frame - create test packet 1119 * @pf: pointer to the PF structure 1120 * @ret_data: allocated frame buffer 1121 * @size: size of the packet data 1122 * 1123 * Function allocates a frame with a test pattern on specific offsets. 1124 * Returns 0 on success, non-zero on failure. 1125 */ 1126static int ice_lbtest_create_frame(struct ice_pf *pf, u8 **ret_data, u16 size) 1127{ 1128 u8 *data; 1129 1130 if (!pf) 1131 return -EINVAL; 1132 1133 data = kzalloc(size, GFP_KERNEL); 1134 if (!data) 1135 return -ENOMEM; 1136 1137 /* Since the ethernet test frame should always be at least 1138 * 64 bytes long, fill some octets in the payload with test data. 1139 */ 1140 memset(data, 0xFF, size); 1141 data[32] = 0xDE; 1142 data[42] = 0xAD; 1143 data[44] = 0xBE; 1144 data[46] = 0xEF; 1145 1146 *ret_data = data; 1147 1148 return 0; 1149} 1150 1151/** 1152 * ice_lbtest_check_frame - verify received loopback frame 1153 * @frame: pointer to the raw packet data 1154 * 1155 * Function verifies received test frame with a pattern. 1156 * Returns true if frame matches the pattern, false otherwise. 1157 */ 1158static bool ice_lbtest_check_frame(u8 *frame) 1159{ 1160 /* Validate bytes of a frame under offsets chosen earlier */ 1161 if (frame[32] == 0xDE && 1162 frame[42] == 0xAD && 1163 frame[44] == 0xBE && 1164 frame[46] == 0xEF && 1165 frame[48] == 0xFF) 1166 return true; 1167 1168 return false; 1169} 1170 1171/** 1172 * ice_diag_send - send test frames to the test ring 1173 * @tx_ring: pointer to the transmit ring 1174 * @data: pointer to the raw packet data 1175 * @size: size of the packet to send 1176 * 1177 * Function sends loopback packets on a test Tx ring. 1178 */ 1179static int ice_diag_send(struct ice_tx_ring *tx_ring, u8 *data, u16 size) 1180{ 1181 struct ice_tx_desc *tx_desc; 1182 struct ice_tx_buf *tx_buf; 1183 dma_addr_t dma; 1184 u64 td_cmd; 1185 1186 tx_desc = ICE_TX_DESC(tx_ring, tx_ring->next_to_use); 1187 tx_buf = &tx_ring->tx_buf[tx_ring->next_to_use]; 1188 1189 dma = dma_map_single(tx_ring->dev, data, size, DMA_TO_DEVICE); 1190 if (dma_mapping_error(tx_ring->dev, dma)) 1191 return -EINVAL; 1192 1193 tx_desc->buf_addr = cpu_to_le64(dma); 1194 1195 /* These flags are required for a descriptor to be pushed out */ 1196 td_cmd = (u64)(ICE_TX_DESC_CMD_EOP | ICE_TX_DESC_CMD_RS); 1197 tx_desc->cmd_type_offset_bsz = 1198 cpu_to_le64(ICE_TX_DESC_DTYPE_DATA | 1199 (td_cmd << ICE_TXD_QW1_CMD_S) | 1200 ((u64)0 << ICE_TXD_QW1_OFFSET_S) | 1201 ((u64)size << ICE_TXD_QW1_TX_BUF_SZ_S) | 1202 ((u64)0 << ICE_TXD_QW1_L2TAG1_S)); 1203 1204 tx_buf->next_to_watch = tx_desc; 1205 1206 /* Force memory write to complete before letting h/w know 1207 * there are new descriptors to fetch. 1208 */ 1209 wmb(); 1210 1211 tx_ring->next_to_use++; 1212 if (tx_ring->next_to_use >= tx_ring->count) 1213 tx_ring->next_to_use = 0; 1214 1215 writel_relaxed(tx_ring->next_to_use, tx_ring->tail); 1216 1217 /* Wait until the packets get transmitted to the receive queue. */ 1218 usleep_range(1000, 2000); 1219 dma_unmap_single(tx_ring->dev, dma, size, DMA_TO_DEVICE); 1220 1221 return 0; 1222} 1223 1224#define ICE_LB_FRAME_SIZE 64 1225/** 1226 * ice_lbtest_receive_frames - receive and verify test frames 1227 * @rx_ring: pointer to the receive ring 1228 * 1229 * Function receives loopback packets and verify their correctness. 1230 * Returns number of received valid frames. 1231 */ 1232static int ice_lbtest_receive_frames(struct ice_rx_ring *rx_ring) 1233{ 1234 struct libeth_fqe *rx_buf; 1235 int valid_frames, i; 1236 struct page *page; 1237 u8 *received_buf; 1238 1239 valid_frames = 0; 1240 1241 for (i = 0; i < rx_ring->count; i++) { 1242 union ice_32b_rx_flex_desc *rx_desc; 1243 1244 rx_desc = ICE_RX_DESC(rx_ring, i); 1245 1246 if (!(rx_desc->wb.status_error0 & 1247 (cpu_to_le16(BIT(ICE_RX_FLEX_DESC_STATUS0_DD_S)) | 1248 cpu_to_le16(BIT(ICE_RX_FLEX_DESC_STATUS0_EOF_S))))) 1249 continue; 1250 1251 rx_buf = &rx_ring->rx_fqes[i]; 1252 page = __netmem_to_page(rx_buf->netmem); 1253 received_buf = page_address(page) + rx_buf->offset + 1254 page->pp->p.offset; 1255 1256 if (ice_lbtest_check_frame(received_buf)) 1257 valid_frames++; 1258 } 1259 1260 return valid_frames; 1261} 1262 1263/** 1264 * ice_loopback_test - perform a loopback test on a given net_device 1265 * @netdev: network interface device structure 1266 * 1267 * This function performs one of the self-tests required by ethtool. 1268 * Returns 0 on success, non-zero on failure. 1269 */ 1270static u64 ice_loopback_test(struct net_device *netdev) 1271{ 1272 struct ice_pf *pf = ice_netdev_to_pf(netdev); 1273 struct ice_vsi *test_vsi; 1274 u8 *tx_frame __free(kfree) = NULL; 1275 u8 broadcast[ETH_ALEN], ret = 0; 1276 int num_frames, valid_frames; 1277 struct ice_tx_ring *tx_ring; 1278 struct ice_rx_ring *rx_ring; 1279 int i; 1280 1281 netdev_info(netdev, "loopback test\n"); 1282 1283 test_vsi = ice_lb_vsi_setup(pf, pf->hw.port_info); 1284 if (!test_vsi) { 1285 netdev_err(netdev, "Failed to create a VSI for the loopback test\n"); 1286 return 1; 1287 } 1288 1289 test_vsi->netdev = netdev; 1290 tx_ring = test_vsi->tx_rings[0]; 1291 rx_ring = test_vsi->rx_rings[0]; 1292 /* Dummy q_vector and napi. Fill the minimum required for 1293 * ice_rxq_pp_create(). 1294 */ 1295 rx_ring->q_vector->napi.dev = netdev; 1296 1297 if (ice_lbtest_prepare_rings(test_vsi)) { 1298 ret = 2; 1299 goto lbtest_vsi_close; 1300 } 1301 1302 if (ice_alloc_rx_bufs(rx_ring, rx_ring->count)) { 1303 ret = 3; 1304 goto lbtest_rings_dis; 1305 } 1306 1307 /* Enable MAC loopback in firmware */ 1308 if (ice_aq_set_mac_loopback(&pf->hw, true, NULL)) { 1309 ret = 4; 1310 goto lbtest_mac_dis; 1311 } 1312 1313 /* Test VSI needs to receive broadcast packets */ 1314 eth_broadcast_addr(broadcast); 1315 if (ice_fltr_add_mac(test_vsi, broadcast, ICE_FWD_TO_VSI)) { 1316 ret = 5; 1317 goto lbtest_mac_dis; 1318 } 1319 1320 if (ice_lbtest_create_frame(pf, &tx_frame, ICE_LB_FRAME_SIZE)) { 1321 ret = 7; 1322 goto remove_mac_filters; 1323 } 1324 1325 num_frames = min_t(int, tx_ring->count, 32); 1326 for (i = 0; i < num_frames; i++) { 1327 if (ice_diag_send(tx_ring, tx_frame, ICE_LB_FRAME_SIZE)) { 1328 ret = 8; 1329 goto remove_mac_filters; 1330 } 1331 } 1332 1333 valid_frames = ice_lbtest_receive_frames(rx_ring); 1334 if (!valid_frames) 1335 ret = 9; 1336 else if (valid_frames != num_frames) 1337 ret = 10; 1338 1339remove_mac_filters: 1340 if (ice_fltr_remove_mac(test_vsi, broadcast, ICE_FWD_TO_VSI)) 1341 netdev_err(netdev, "Could not remove MAC filter for the test VSI\n"); 1342lbtest_mac_dis: 1343 /* Disable MAC loopback after the test is completed. */ 1344 if (ice_aq_set_mac_loopback(&pf->hw, false, NULL)) 1345 netdev_err(netdev, "Could not disable MAC loopback\n"); 1346lbtest_rings_dis: 1347 if (ice_lbtest_disable_rings(test_vsi)) 1348 netdev_err(netdev, "Could not disable test rings\n"); 1349lbtest_vsi_close: 1350 test_vsi->netdev = NULL; 1351 if (ice_vsi_release(test_vsi)) 1352 netdev_err(netdev, "Failed to remove the test VSI\n"); 1353 1354 return ret; 1355} 1356 1357/** 1358 * ice_intr_test - perform an interrupt test on a given net_device 1359 * @netdev: network interface device structure 1360 * 1361 * This function performs one of the self-tests required by ethtool. 1362 * Returns 0 on success, non-zero on failure. 1363 */ 1364static u64 ice_intr_test(struct net_device *netdev) 1365{ 1366 struct ice_pf *pf = ice_netdev_to_pf(netdev); 1367 u16 swic_old = pf->sw_int_count; 1368 1369 netdev_info(netdev, "interrupt test\n"); 1370 1371 wr32(&pf->hw, GLINT_DYN_CTL(pf->oicr_irq.index), 1372 GLINT_DYN_CTL_SW_ITR_INDX_M | 1373 GLINT_DYN_CTL_INTENA_MSK_M | 1374 GLINT_DYN_CTL_SWINT_TRIG_M); 1375 1376 usleep_range(1000, 2000); 1377 return (swic_old == pf->sw_int_count); 1378} 1379 1380/** 1381 * ice_self_test - handler function for performing a self-test by ethtool 1382 * @netdev: network interface device structure 1383 * @eth_test: ethtool_test structure 1384 * @data: required by ethtool.self_test 1385 * 1386 * This function is called after invoking 'ethtool -t devname' command where 1387 * devname is the name of the network device on which ethtool should operate. 1388 * It performs a set of self-tests to check if a device works properly. 1389 */ 1390static void 1391ice_self_test(struct net_device *netdev, struct ethtool_test *eth_test, 1392 u64 *data) 1393{ 1394 struct ice_pf *pf = ice_netdev_to_pf(netdev); 1395 bool if_running = netif_running(netdev); 1396 struct device *dev; 1397 1398 dev = ice_pf_to_dev(pf); 1399 1400 if (eth_test->flags == ETH_TEST_FL_OFFLINE) { 1401 netdev_info(netdev, "offline testing starting\n"); 1402 1403 set_bit(ICE_TESTING, pf->state); 1404 1405 if (ice_active_vfs(pf)) { 1406 dev_warn(dev, "Please take active VFs and Netqueues offline and restart the adapter before running NIC diagnostics\n"); 1407 data[ICE_ETH_TEST_REG] = 1; 1408 data[ICE_ETH_TEST_EEPROM] = 1; 1409 data[ICE_ETH_TEST_INTR] = 1; 1410 data[ICE_ETH_TEST_LOOP] = 1; 1411 data[ICE_ETH_TEST_LINK] = 1; 1412 eth_test->flags |= ETH_TEST_FL_FAILED; 1413 clear_bit(ICE_TESTING, pf->state); 1414 goto skip_ol_tests; 1415 } 1416 /* If the device is online then take it offline */ 1417 if (if_running) 1418 /* indicate we're in test mode */ 1419 ice_stop(netdev); 1420 1421 data[ICE_ETH_TEST_LINK] = ice_link_test(netdev); 1422 data[ICE_ETH_TEST_EEPROM] = ice_eeprom_test(netdev); 1423 data[ICE_ETH_TEST_INTR] = ice_intr_test(netdev); 1424 data[ICE_ETH_TEST_LOOP] = ice_loopback_test(netdev); 1425 data[ICE_ETH_TEST_REG] = ice_reg_test(netdev); 1426 1427 if (data[ICE_ETH_TEST_LINK] || 1428 data[ICE_ETH_TEST_EEPROM] || 1429 data[ICE_ETH_TEST_LOOP] || 1430 data[ICE_ETH_TEST_INTR] || 1431 data[ICE_ETH_TEST_REG]) 1432 eth_test->flags |= ETH_TEST_FL_FAILED; 1433 1434 clear_bit(ICE_TESTING, pf->state); 1435 1436 if (if_running) { 1437 int status = ice_open(netdev); 1438 1439 if (status) { 1440 dev_err(dev, "Could not open device %s, err %d\n", 1441 pf->int_name, status); 1442 } 1443 } 1444 } else { 1445 /* Online tests */ 1446 netdev_info(netdev, "online testing starting\n"); 1447 1448 data[ICE_ETH_TEST_LINK] = ice_link_test(netdev); 1449 if (data[ICE_ETH_TEST_LINK]) 1450 eth_test->flags |= ETH_TEST_FL_FAILED; 1451 1452 /* Offline only tests, not run in online; pass by default */ 1453 data[ICE_ETH_TEST_REG] = 0; 1454 data[ICE_ETH_TEST_EEPROM] = 0; 1455 data[ICE_ETH_TEST_INTR] = 0; 1456 data[ICE_ETH_TEST_LOOP] = 0; 1457 } 1458 1459skip_ol_tests: 1460 netdev_info(netdev, "testing finished\n"); 1461} 1462 1463static void 1464__ice_get_strings(struct net_device *netdev, u32 stringset, u8 *data, 1465 struct ice_vsi *vsi) 1466{ 1467 unsigned int i; 1468 u8 *p = data; 1469 1470 switch (stringset) { 1471 case ETH_SS_STATS: 1472 for (i = 0; i < ICE_VSI_STATS_LEN; i++) 1473 ethtool_puts(&p, ice_gstrings_vsi_stats[i].stat_string); 1474 1475 if (ice_is_port_repr_netdev(netdev)) 1476 return; 1477 1478 ice_for_each_alloc_txq(vsi, i) { 1479 ethtool_sprintf(&p, "tx_queue_%u_packets", i); 1480 ethtool_sprintf(&p, "tx_queue_%u_bytes", i); 1481 } 1482 1483 ice_for_each_alloc_rxq(vsi, i) { 1484 ethtool_sprintf(&p, "rx_queue_%u_packets", i); 1485 ethtool_sprintf(&p, "rx_queue_%u_bytes", i); 1486 } 1487 1488 if (vsi->type != ICE_VSI_PF) 1489 return; 1490 1491 for (i = 0; i < ICE_PF_STATS_LEN; i++) 1492 ethtool_puts(&p, ice_gstrings_pf_stats[i].stat_string); 1493 1494 for (i = 0; i < ICE_MAX_USER_PRIORITY; i++) { 1495 ethtool_sprintf(&p, "tx_priority_%u_xon.nic", i); 1496 ethtool_sprintf(&p, "tx_priority_%u_xoff.nic", i); 1497 } 1498 for (i = 0; i < ICE_MAX_USER_PRIORITY; i++) { 1499 ethtool_sprintf(&p, "rx_priority_%u_xon.nic", i); 1500 ethtool_sprintf(&p, "rx_priority_%u_xoff.nic", i); 1501 } 1502 break; 1503 case ETH_SS_TEST: 1504 memcpy(data, ice_gstrings_test, ICE_TEST_LEN * ETH_GSTRING_LEN); 1505 break; 1506 case ETH_SS_PRIV_FLAGS: 1507 for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) 1508 ethtool_puts(&p, ice_gstrings_priv_flags[i].name); 1509 break; 1510 default: 1511 break; 1512 } 1513} 1514 1515static void ice_get_strings(struct net_device *netdev, u32 stringset, u8 *data) 1516{ 1517 struct ice_netdev_priv *np = netdev_priv(netdev); 1518 1519 __ice_get_strings(netdev, stringset, data, np->vsi); 1520} 1521 1522static int 1523ice_set_phys_id(struct net_device *netdev, enum ethtool_phys_id_state state) 1524{ 1525 struct ice_netdev_priv *np = netdev_priv(netdev); 1526 bool led_active; 1527 1528 switch (state) { 1529 case ETHTOOL_ID_ACTIVE: 1530 led_active = true; 1531 break; 1532 case ETHTOOL_ID_INACTIVE: 1533 led_active = false; 1534 break; 1535 default: 1536 return -EINVAL; 1537 } 1538 1539 if (ice_aq_set_port_id_led(np->vsi->port_info, !led_active, NULL)) 1540 return -EIO; 1541 1542 return 0; 1543} 1544 1545/** 1546 * ice_set_fec_cfg - Set link FEC options 1547 * @netdev: network interface device structure 1548 * @req_fec: FEC mode to configure 1549 */ 1550static int ice_set_fec_cfg(struct net_device *netdev, enum ice_fec_mode req_fec) 1551{ 1552 struct ice_netdev_priv *np = netdev_priv(netdev); 1553 struct ice_aqc_set_phy_cfg_data config = { 0 }; 1554 struct ice_vsi *vsi = np->vsi; 1555 struct ice_port_info *pi; 1556 1557 pi = vsi->port_info; 1558 if (!pi) 1559 return -EOPNOTSUPP; 1560 1561 /* Changing the FEC parameters is not supported if not the PF VSI */ 1562 if (vsi->type != ICE_VSI_PF) { 1563 netdev_info(netdev, "Changing FEC parameters only supported for PF VSI\n"); 1564 return -EOPNOTSUPP; 1565 } 1566 1567 /* Proceed only if requesting different FEC mode */ 1568 if (pi->phy.curr_user_fec_req == req_fec) 1569 return 0; 1570 1571 /* Copy the current user PHY configuration. The current user PHY 1572 * configuration is initialized during probe from PHY capabilities 1573 * software mode, and updated on set PHY configuration. 1574 */ 1575 memcpy(&config, &pi->phy.curr_user_phy_cfg, sizeof(config)); 1576 1577 ice_cfg_phy_fec(pi, &config, req_fec); 1578 config.caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT; 1579 1580 if (ice_aq_set_phy_cfg(pi->hw, pi, &config, NULL)) 1581 return -EAGAIN; 1582 1583 /* Save requested FEC config */ 1584 pi->phy.curr_user_fec_req = req_fec; 1585 1586 return 0; 1587} 1588 1589/** 1590 * ice_set_fecparam - Set FEC link options 1591 * @netdev: network interface device structure 1592 * @fecparam: Ethtool structure to retrieve FEC parameters 1593 */ 1594static int 1595ice_set_fecparam(struct net_device *netdev, struct ethtool_fecparam *fecparam) 1596{ 1597 struct ice_netdev_priv *np = netdev_priv(netdev); 1598 struct ice_vsi *vsi = np->vsi; 1599 enum ice_fec_mode fec; 1600 1601 switch (fecparam->fec) { 1602 case ETHTOOL_FEC_AUTO: 1603 fec = ICE_FEC_AUTO; 1604 break; 1605 case ETHTOOL_FEC_RS: 1606 fec = ICE_FEC_RS; 1607 break; 1608 case ETHTOOL_FEC_BASER: 1609 fec = ICE_FEC_BASER; 1610 break; 1611 case ETHTOOL_FEC_OFF: 1612 case ETHTOOL_FEC_NONE: 1613 fec = ICE_FEC_NONE; 1614 break; 1615 default: 1616 dev_warn(ice_pf_to_dev(vsi->back), "Unsupported FEC mode: %d\n", 1617 fecparam->fec); 1618 return -EINVAL; 1619 } 1620 1621 return ice_set_fec_cfg(netdev, fec); 1622} 1623 1624/** 1625 * ice_get_fecparam - Get link FEC options 1626 * @netdev: network interface device structure 1627 * @fecparam: Ethtool structure to retrieve FEC parameters 1628 */ 1629static int 1630ice_get_fecparam(struct net_device *netdev, struct ethtool_fecparam *fecparam) 1631{ 1632 struct ice_netdev_priv *np = netdev_priv(netdev); 1633 struct ice_aqc_get_phy_caps_data *caps; 1634 struct ice_link_status *link_info; 1635 struct ice_vsi *vsi = np->vsi; 1636 struct ice_port_info *pi; 1637 int err; 1638 1639 pi = vsi->port_info; 1640 1641 if (!pi) 1642 return -EOPNOTSUPP; 1643 link_info = &pi->phy.link_info; 1644 1645 /* Set FEC mode based on negotiated link info */ 1646 switch (link_info->fec_info) { 1647 case ICE_AQ_LINK_25G_KR_FEC_EN: 1648 fecparam->active_fec = ETHTOOL_FEC_BASER; 1649 break; 1650 case ICE_AQ_LINK_25G_RS_528_FEC_EN: 1651 case ICE_AQ_LINK_25G_RS_544_FEC_EN: 1652 fecparam->active_fec = ETHTOOL_FEC_RS; 1653 break; 1654 default: 1655 fecparam->active_fec = ETHTOOL_FEC_OFF; 1656 break; 1657 } 1658 1659 caps = kzalloc(sizeof(*caps), GFP_KERNEL); 1660 if (!caps) 1661 return -ENOMEM; 1662 1663 err = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_TOPO_CAP_MEDIA, 1664 caps, NULL); 1665 if (err) 1666 goto done; 1667 1668 /* Set supported/configured FEC modes based on PHY capability */ 1669 if (caps->caps & ICE_AQC_PHY_EN_AUTO_FEC) 1670 fecparam->fec |= ETHTOOL_FEC_AUTO; 1671 if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_EN || 1672 caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_REQ || 1673 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_CLAUSE74_EN || 1674 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_REQ) 1675 fecparam->fec |= ETHTOOL_FEC_BASER; 1676 if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_528_REQ || 1677 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_544_REQ || 1678 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_CLAUSE91_EN) 1679 fecparam->fec |= ETHTOOL_FEC_RS; 1680 if (caps->link_fec_options == 0) 1681 fecparam->fec |= ETHTOOL_FEC_OFF; 1682 1683done: 1684 kfree(caps); 1685 return err; 1686} 1687 1688/** 1689 * ice_nway_reset - restart autonegotiation 1690 * @netdev: network interface device structure 1691 */ 1692static int ice_nway_reset(struct net_device *netdev) 1693{ 1694 struct ice_netdev_priv *np = netdev_priv(netdev); 1695 struct ice_vsi *vsi = np->vsi; 1696 int err; 1697 1698 /* If VSI state is up, then restart autoneg with link up */ 1699 if (!test_bit(ICE_DOWN, vsi->back->state)) 1700 err = ice_set_link(vsi, true); 1701 else 1702 err = ice_set_link(vsi, false); 1703 1704 return err; 1705} 1706 1707/** 1708 * ice_get_priv_flags - report device private flags 1709 * @netdev: network interface device structure 1710 * 1711 * The get string set count and the string set should be matched for each 1712 * flag returned. Add new strings for each flag to the ice_gstrings_priv_flags 1713 * array. 1714 * 1715 * Returns a u32 bitmap of flags. 1716 */ 1717static u32 ice_get_priv_flags(struct net_device *netdev) 1718{ 1719 struct ice_pf *pf = ice_netdev_to_pf(netdev); 1720 u32 i, ret_flags = 0; 1721 1722 for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) { 1723 const struct ice_priv_flag *priv_flag; 1724 1725 priv_flag = &ice_gstrings_priv_flags[i]; 1726 1727 if (test_bit(priv_flag->bitno, pf->flags)) 1728 ret_flags |= BIT(i); 1729 } 1730 1731 return ret_flags; 1732} 1733 1734/** 1735 * ice_set_priv_flags - set private flags 1736 * @netdev: network interface device structure 1737 * @flags: bit flags to be set 1738 */ 1739static int ice_set_priv_flags(struct net_device *netdev, u32 flags) 1740{ 1741 struct ice_netdev_priv *np = netdev_priv(netdev); 1742 DECLARE_BITMAP(change_flags, ICE_PF_FLAGS_NBITS); 1743 DECLARE_BITMAP(orig_flags, ICE_PF_FLAGS_NBITS); 1744 struct ice_vsi *vsi = np->vsi; 1745 struct ice_pf *pf = vsi->back; 1746 struct device *dev; 1747 int ret = 0; 1748 u32 i; 1749 1750 if (flags > BIT(ICE_PRIV_FLAG_ARRAY_SIZE)) 1751 return -EINVAL; 1752 1753 dev = ice_pf_to_dev(pf); 1754 set_bit(ICE_FLAG_ETHTOOL_CTXT, pf->flags); 1755 1756 bitmap_copy(orig_flags, pf->flags, ICE_PF_FLAGS_NBITS); 1757 for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) { 1758 const struct ice_priv_flag *priv_flag; 1759 1760 priv_flag = &ice_gstrings_priv_flags[i]; 1761 1762 if (flags & BIT(i)) 1763 set_bit(priv_flag->bitno, pf->flags); 1764 else 1765 clear_bit(priv_flag->bitno, pf->flags); 1766 } 1767 1768 bitmap_xor(change_flags, pf->flags, orig_flags, ICE_PF_FLAGS_NBITS); 1769 1770 /* Do not allow change to link-down-on-close when Total Port Shutdown 1771 * is enabled. 1772 */ 1773 if (test_bit(ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA, change_flags) && 1774 test_bit(ICE_FLAG_TOTAL_PORT_SHUTDOWN_ENA, pf->flags)) { 1775 dev_err(dev, "Setting link-down-on-close not supported on this port\n"); 1776 set_bit(ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA, pf->flags); 1777 ret = -EINVAL; 1778 goto ethtool_exit; 1779 } 1780 1781 if (test_bit(ICE_FLAG_FW_LLDP_AGENT, change_flags)) { 1782 if (!test_bit(ICE_FLAG_FW_LLDP_AGENT, pf->flags)) { 1783 int status; 1784 1785 /* Disable FW LLDP engine */ 1786 status = ice_cfg_lldp_mib_change(&pf->hw, false); 1787 1788 /* If unregistering for LLDP events fails, this is 1789 * not an error state, as there shouldn't be any 1790 * events to respond to. 1791 */ 1792 if (status) 1793 dev_info(dev, "Failed to unreg for LLDP events\n"); 1794 1795 /* The AQ call to stop the FW LLDP agent will generate 1796 * an error if the agent is already stopped. 1797 */ 1798 status = ice_aq_stop_lldp(&pf->hw, true, true, NULL); 1799 if (status) 1800 dev_warn(dev, "Fail to stop LLDP agent\n"); 1801 /* Use case for having the FW LLDP agent stopped 1802 * will likely not need DCB, so failure to init is 1803 * not a concern of ethtool 1804 */ 1805 status = ice_init_pf_dcb(pf, true); 1806 if (status) 1807 dev_warn(dev, "Fail to init DCB\n"); 1808 1809 pf->dcbx_cap &= ~DCB_CAP_DCBX_LLD_MANAGED; 1810 pf->dcbx_cap |= DCB_CAP_DCBX_HOST; 1811 } else { 1812 bool dcbx_agent_status; 1813 int status; 1814 1815 if (ice_get_pfc_mode(pf) == ICE_QOS_MODE_DSCP) { 1816 clear_bit(ICE_FLAG_FW_LLDP_AGENT, pf->flags); 1817 dev_err(dev, "QoS in L3 DSCP mode, FW Agent not allowed to start\n"); 1818 ret = -EOPNOTSUPP; 1819 goto ethtool_exit; 1820 } 1821 1822 /* Remove rule to direct LLDP packets to default VSI. 1823 * The FW LLDP engine will now be consuming them. 1824 */ 1825 ice_cfg_sw_rx_lldp(vsi->back, false); 1826 1827 /* AQ command to start FW LLDP agent will return an 1828 * error if the agent is already started 1829 */ 1830 status = ice_aq_start_lldp(&pf->hw, true, NULL); 1831 if (status) 1832 dev_warn(dev, "Fail to start LLDP Agent\n"); 1833 1834 /* AQ command to start FW DCBX agent will fail if 1835 * the agent is already started 1836 */ 1837 status = ice_aq_start_stop_dcbx(&pf->hw, true, 1838 &dcbx_agent_status, 1839 NULL); 1840 if (status) 1841 dev_dbg(dev, "Failed to start FW DCBX\n"); 1842 1843 dev_info(dev, "FW DCBX agent is %s\n", 1844 dcbx_agent_status ? "ACTIVE" : "DISABLED"); 1845 1846 /* Failure to configure MIB change or init DCB is not 1847 * relevant to ethtool. Print notification that 1848 * registration/init failed but do not return error 1849 * state to ethtool 1850 */ 1851 status = ice_init_pf_dcb(pf, true); 1852 if (status) 1853 dev_dbg(dev, "Fail to init DCB\n"); 1854 1855 /* Register for MIB change events */ 1856 status = ice_cfg_lldp_mib_change(&pf->hw, true); 1857 if (status) 1858 dev_dbg(dev, "Fail to enable MIB change events\n"); 1859 1860 pf->dcbx_cap &= ~DCB_CAP_DCBX_HOST; 1861 pf->dcbx_cap |= DCB_CAP_DCBX_LLD_MANAGED; 1862 1863 ice_nway_reset(netdev); 1864 } 1865 } 1866 /* don't allow modification of this flag when a single VF is in 1867 * promiscuous mode because it's not supported 1868 */ 1869 if (test_bit(ICE_FLAG_VF_TRUE_PROMISC_ENA, change_flags) && 1870 ice_is_any_vf_in_unicast_promisc(pf)) { 1871 dev_err(dev, "Changing vf-true-promisc-support flag while VF(s) are in promiscuous mode not supported\n"); 1872 /* toggle bit back to previous state */ 1873 change_bit(ICE_FLAG_VF_TRUE_PROMISC_ENA, pf->flags); 1874 ret = -EAGAIN; 1875 } 1876 1877 if (test_bit(ICE_FLAG_VF_VLAN_PRUNING, change_flags) && 1878 ice_has_vfs(pf)) { 1879 dev_err(dev, "vf-vlan-pruning: VLAN pruning cannot be changed while VFs are active.\n"); 1880 /* toggle bit back to previous state */ 1881 change_bit(ICE_FLAG_VF_VLAN_PRUNING, pf->flags); 1882 ret = -EOPNOTSUPP; 1883 } 1884ethtool_exit: 1885 clear_bit(ICE_FLAG_ETHTOOL_CTXT, pf->flags); 1886 return ret; 1887} 1888 1889static int ice_get_sset_count(struct net_device *netdev, int sset) 1890{ 1891 switch (sset) { 1892 case ETH_SS_STATS: 1893 /* The number (and order) of strings reported *must* remain 1894 * constant for a given netdevice. This function must not 1895 * report a different number based on run time parameters 1896 * (such as the number of queues in use, or the setting of 1897 * a private ethtool flag). This is due to the nature of the 1898 * ethtool stats API. 1899 * 1900 * Userspace programs such as ethtool must make 3 separate 1901 * ioctl requests, one for size, one for the strings, and 1902 * finally one for the stats. Since these cross into 1903 * userspace, changes to the number or size could result in 1904 * undefined memory access or incorrect string<->value 1905 * correlations for statistics. 1906 * 1907 * Even if it appears to be safe, changes to the size or 1908 * order of strings will suffer from race conditions and are 1909 * not safe. 1910 */ 1911 return ICE_ALL_STATS_LEN(netdev); 1912 case ETH_SS_TEST: 1913 return ICE_TEST_LEN; 1914 case ETH_SS_PRIV_FLAGS: 1915 return ICE_PRIV_FLAG_ARRAY_SIZE; 1916 default: 1917 return -EOPNOTSUPP; 1918 } 1919} 1920 1921static void 1922__ice_get_ethtool_stats(struct net_device *netdev, 1923 struct ethtool_stats __always_unused *stats, u64 *data, 1924 struct ice_vsi *vsi) 1925{ 1926 struct ice_pf *pf = vsi->back; 1927 struct ice_tx_ring *tx_ring; 1928 struct ice_rx_ring *rx_ring; 1929 unsigned int j; 1930 int i = 0; 1931 char *p; 1932 1933 if (ice_is_port_repr_netdev(netdev)) { 1934 ice_update_eth_stats(vsi); 1935 1936 for (j = 0; j < ICE_VSI_STATS_LEN; j++) { 1937 p = (char *)vsi + ice_gstrings_vsi_stats[j].stat_offset; 1938 data[i++] = (ice_gstrings_vsi_stats[j].sizeof_stat == 1939 sizeof(u64)) ? *(u64 *)p : *(u32 *)p; 1940 } 1941 return; 1942 } 1943 1944 ice_update_pf_stats(pf); 1945 ice_update_vsi_stats(vsi); 1946 1947 for (j = 0; j < ICE_VSI_STATS_LEN; j++) { 1948 p = (char *)vsi + ice_gstrings_vsi_stats[j].stat_offset; 1949 data[i++] = (ice_gstrings_vsi_stats[j].sizeof_stat == 1950 sizeof(u64)) ? *(u64 *)p : *(u32 *)p; 1951 } 1952 1953 /* populate per queue stats */ 1954 rcu_read_lock(); 1955 1956 ice_for_each_alloc_txq(vsi, j) { 1957 tx_ring = READ_ONCE(vsi->tx_rings[j]); 1958 if (tx_ring && tx_ring->ring_stats) { 1959 data[i++] = tx_ring->ring_stats->stats.pkts; 1960 data[i++] = tx_ring->ring_stats->stats.bytes; 1961 } else { 1962 data[i++] = 0; 1963 data[i++] = 0; 1964 } 1965 } 1966 1967 ice_for_each_alloc_rxq(vsi, j) { 1968 rx_ring = READ_ONCE(vsi->rx_rings[j]); 1969 if (rx_ring && rx_ring->ring_stats) { 1970 data[i++] = rx_ring->ring_stats->stats.pkts; 1971 data[i++] = rx_ring->ring_stats->stats.bytes; 1972 } else { 1973 data[i++] = 0; 1974 data[i++] = 0; 1975 } 1976 } 1977 1978 rcu_read_unlock(); 1979 1980 if (vsi->type != ICE_VSI_PF) 1981 return; 1982 1983 for (j = 0; j < ICE_PF_STATS_LEN; j++) { 1984 p = (char *)pf + ice_gstrings_pf_stats[j].stat_offset; 1985 data[i++] = (ice_gstrings_pf_stats[j].sizeof_stat == 1986 sizeof(u64)) ? *(u64 *)p : *(u32 *)p; 1987 } 1988 1989 for (j = 0; j < ICE_MAX_USER_PRIORITY; j++) { 1990 data[i++] = pf->stats.priority_xon_tx[j]; 1991 data[i++] = pf->stats.priority_xoff_tx[j]; 1992 } 1993 1994 for (j = 0; j < ICE_MAX_USER_PRIORITY; j++) { 1995 data[i++] = pf->stats.priority_xon_rx[j]; 1996 data[i++] = pf->stats.priority_xoff_rx[j]; 1997 } 1998} 1999 2000static void 2001ice_get_ethtool_stats(struct net_device *netdev, 2002 struct ethtool_stats __always_unused *stats, u64 *data) 2003{ 2004 struct ice_netdev_priv *np = netdev_priv(netdev); 2005 2006 __ice_get_ethtool_stats(netdev, stats, data, np->vsi); 2007} 2008 2009#define ICE_PHY_TYPE_LOW_MASK_MIN_1G (ICE_PHY_TYPE_LOW_100BASE_TX | \ 2010 ICE_PHY_TYPE_LOW_100M_SGMII) 2011 2012#define ICE_PHY_TYPE_LOW_MASK_MIN_25G (ICE_PHY_TYPE_LOW_MASK_MIN_1G | \ 2013 ICE_PHY_TYPE_LOW_1000BASE_T | \ 2014 ICE_PHY_TYPE_LOW_1000BASE_SX | \ 2015 ICE_PHY_TYPE_LOW_1000BASE_LX | \ 2016 ICE_PHY_TYPE_LOW_1000BASE_KX | \ 2017 ICE_PHY_TYPE_LOW_1G_SGMII | \ 2018 ICE_PHY_TYPE_LOW_2500BASE_T | \ 2019 ICE_PHY_TYPE_LOW_2500BASE_X | \ 2020 ICE_PHY_TYPE_LOW_2500BASE_KX | \ 2021 ICE_PHY_TYPE_LOW_5GBASE_T | \ 2022 ICE_PHY_TYPE_LOW_5GBASE_KR | \ 2023 ICE_PHY_TYPE_LOW_10GBASE_T | \ 2024 ICE_PHY_TYPE_LOW_10G_SFI_DA | \ 2025 ICE_PHY_TYPE_LOW_10GBASE_SR | \ 2026 ICE_PHY_TYPE_LOW_10GBASE_LR | \ 2027 ICE_PHY_TYPE_LOW_10GBASE_KR_CR1 | \ 2028 ICE_PHY_TYPE_LOW_10G_SFI_AOC_ACC | \ 2029 ICE_PHY_TYPE_LOW_10G_SFI_C2C) 2030 2031#define ICE_PHY_TYPE_LOW_MASK_100G (ICE_PHY_TYPE_LOW_100GBASE_CR4 | \ 2032 ICE_PHY_TYPE_LOW_100GBASE_SR4 | \ 2033 ICE_PHY_TYPE_LOW_100GBASE_LR4 | \ 2034 ICE_PHY_TYPE_LOW_100GBASE_KR4 | \ 2035 ICE_PHY_TYPE_LOW_100G_CAUI4_AOC_ACC | \ 2036 ICE_PHY_TYPE_LOW_100G_CAUI4 | \ 2037 ICE_PHY_TYPE_LOW_100G_AUI4_AOC_ACC | \ 2038 ICE_PHY_TYPE_LOW_100G_AUI4 | \ 2039 ICE_PHY_TYPE_LOW_100GBASE_CR_PAM4 | \ 2040 ICE_PHY_TYPE_LOW_100GBASE_KR_PAM4 | \ 2041 ICE_PHY_TYPE_LOW_100GBASE_CP2 | \ 2042 ICE_PHY_TYPE_LOW_100GBASE_SR2 | \ 2043 ICE_PHY_TYPE_LOW_100GBASE_DR) 2044 2045#define ICE_PHY_TYPE_HIGH_MASK_100G (ICE_PHY_TYPE_HIGH_100GBASE_KR2_PAM4 | \ 2046 ICE_PHY_TYPE_HIGH_100G_CAUI2_AOC_ACC |\ 2047 ICE_PHY_TYPE_HIGH_100G_CAUI2 | \ 2048 ICE_PHY_TYPE_HIGH_100G_AUI2_AOC_ACC | \ 2049 ICE_PHY_TYPE_HIGH_100G_AUI2) 2050 2051#define ICE_PHY_TYPE_HIGH_MASK_200G (ICE_PHY_TYPE_HIGH_200G_CR4_PAM4 | \ 2052 ICE_PHY_TYPE_HIGH_200G_SR4 | \ 2053 ICE_PHY_TYPE_HIGH_200G_FR4 | \ 2054 ICE_PHY_TYPE_HIGH_200G_LR4 | \ 2055 ICE_PHY_TYPE_HIGH_200G_DR4 | \ 2056 ICE_PHY_TYPE_HIGH_200G_KR4_PAM4 | \ 2057 ICE_PHY_TYPE_HIGH_200G_AUI4_AOC_ACC | \ 2058 ICE_PHY_TYPE_HIGH_200G_AUI4) 2059 2060/** 2061 * ice_mask_min_supported_speeds 2062 * @hw: pointer to the HW structure 2063 * @phy_types_high: PHY type high 2064 * @phy_types_low: PHY type low to apply minimum supported speeds mask 2065 * 2066 * Apply minimum supported speeds mask to PHY type low. These are the speeds 2067 * for ethtool supported link mode. 2068 */ 2069static void 2070ice_mask_min_supported_speeds(struct ice_hw *hw, 2071 u64 phy_types_high, u64 *phy_types_low) 2072{ 2073 /* if QSFP connection with 100G speed, minimum supported speed is 25G */ 2074 if ((*phy_types_low & ICE_PHY_TYPE_LOW_MASK_100G) || 2075 (phy_types_high & ICE_PHY_TYPE_HIGH_MASK_100G) || 2076 (phy_types_high & ICE_PHY_TYPE_HIGH_MASK_200G)) 2077 *phy_types_low &= ~ICE_PHY_TYPE_LOW_MASK_MIN_25G; 2078 else if (!ice_is_100m_speed_supported(hw)) 2079 *phy_types_low &= ~ICE_PHY_TYPE_LOW_MASK_MIN_1G; 2080} 2081 2082/** 2083 * ice_linkmode_set_bit - set link mode bit 2084 * @phy_to_ethtool: PHY type to ethtool link mode struct to set 2085 * @ks: ethtool link ksettings struct to fill out 2086 * @req_speeds: speed requested by user 2087 * @advert_phy_type: advertised PHY type 2088 * @phy_type: PHY type 2089 */ 2090static void 2091ice_linkmode_set_bit(const struct ice_phy_type_to_ethtool *phy_to_ethtool, 2092 struct ethtool_link_ksettings *ks, u32 req_speeds, 2093 u64 advert_phy_type, u32 phy_type) 2094{ 2095 linkmode_set_bit(phy_to_ethtool->link_mode, ks->link_modes.supported); 2096 2097 if (req_speeds & phy_to_ethtool->aq_link_speed || 2098 (!req_speeds && advert_phy_type & BIT(phy_type))) 2099 linkmode_set_bit(phy_to_ethtool->link_mode, 2100 ks->link_modes.advertising); 2101} 2102 2103/** 2104 * ice_phy_type_to_ethtool - convert the phy_types to ethtool link modes 2105 * @netdev: network interface device structure 2106 * @ks: ethtool link ksettings struct to fill out 2107 */ 2108static void 2109ice_phy_type_to_ethtool(struct net_device *netdev, 2110 struct ethtool_link_ksettings *ks) 2111{ 2112 struct ice_netdev_priv *np = netdev_priv(netdev); 2113 struct ice_vsi *vsi = np->vsi; 2114 struct ice_pf *pf = vsi->back; 2115 u64 advert_phy_type_lo = 0; 2116 u64 advert_phy_type_hi = 0; 2117 u64 phy_types_high = 0; 2118 u64 phy_types_low = 0; 2119 u32 req_speeds; 2120 u32 i; 2121 2122 req_speeds = vsi->port_info->phy.link_info.req_speeds; 2123 2124 /* Check if lenient mode is supported and enabled, or in strict mode. 2125 * 2126 * In lenient mode the Supported link modes are the PHY types without 2127 * media. The Advertising link mode is either 1. the user requested 2128 * speed, 2. the override PHY mask, or 3. the PHY types with media. 2129 * 2130 * In strict mode Supported link mode are the PHY type with media, 2131 * and Advertising link modes are the media PHY type or the speed 2132 * requested by user. 2133 */ 2134 if (test_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, pf->flags)) { 2135 phy_types_low = le64_to_cpu(pf->nvm_phy_type_lo); 2136 phy_types_high = le64_to_cpu(pf->nvm_phy_type_hi); 2137 2138 ice_mask_min_supported_speeds(&pf->hw, phy_types_high, 2139 &phy_types_low); 2140 /* determine advertised modes based on link override only 2141 * if it's supported and if the FW doesn't abstract the 2142 * driver from having to account for link overrides 2143 */ 2144 if (ice_fw_supports_link_override(&pf->hw) && 2145 !ice_fw_supports_report_dflt_cfg(&pf->hw)) { 2146 struct ice_link_default_override_tlv *ldo; 2147 2148 ldo = &pf->link_dflt_override; 2149 /* If override enabled and PHY mask set, then 2150 * Advertising link mode is the intersection of the PHY 2151 * types without media and the override PHY mask. 2152 */ 2153 if (ldo->options & ICE_LINK_OVERRIDE_EN && 2154 (ldo->phy_type_low || ldo->phy_type_high)) { 2155 advert_phy_type_lo = 2156 le64_to_cpu(pf->nvm_phy_type_lo) & 2157 ldo->phy_type_low; 2158 advert_phy_type_hi = 2159 le64_to_cpu(pf->nvm_phy_type_hi) & 2160 ldo->phy_type_high; 2161 } 2162 } 2163 } else { 2164 /* strict mode */ 2165 phy_types_low = vsi->port_info->phy.phy_type_low; 2166 phy_types_high = vsi->port_info->phy.phy_type_high; 2167 } 2168 2169 /* If Advertising link mode PHY type is not using override PHY type, 2170 * then use PHY type with media. 2171 */ 2172 if (!advert_phy_type_lo && !advert_phy_type_hi) { 2173 advert_phy_type_lo = vsi->port_info->phy.phy_type_low; 2174 advert_phy_type_hi = vsi->port_info->phy.phy_type_high; 2175 } 2176 2177 linkmode_zero(ks->link_modes.supported); 2178 linkmode_zero(ks->link_modes.advertising); 2179 2180 for (i = 0; i < ARRAY_SIZE(phy_type_low_lkup); i++) { 2181 if (phy_types_low & BIT_ULL(i)) 2182 ice_linkmode_set_bit(&phy_type_low_lkup[i], ks, 2183 req_speeds, advert_phy_type_lo, 2184 i); 2185 } 2186 2187 for (i = 0; i < ARRAY_SIZE(phy_type_high_lkup); i++) { 2188 if (phy_types_high & BIT_ULL(i)) 2189 ice_linkmode_set_bit(&phy_type_high_lkup[i], ks, 2190 req_speeds, advert_phy_type_hi, 2191 i); 2192 } 2193} 2194 2195#define TEST_SET_BITS_TIMEOUT 50 2196#define TEST_SET_BITS_SLEEP_MAX 2000 2197#define TEST_SET_BITS_SLEEP_MIN 1000 2198 2199/** 2200 * ice_get_settings_link_up - Get Link settings for when link is up 2201 * @ks: ethtool ksettings to fill in 2202 * @netdev: network interface device structure 2203 */ 2204static void 2205ice_get_settings_link_up(struct ethtool_link_ksettings *ks, 2206 struct net_device *netdev) 2207{ 2208 struct ice_netdev_priv *np = netdev_priv(netdev); 2209 struct ice_port_info *pi = np->vsi->port_info; 2210 struct ice_link_status *link_info; 2211 struct ice_vsi *vsi = np->vsi; 2212 2213 link_info = &vsi->port_info->phy.link_info; 2214 2215 /* Get supported and advertised settings from PHY ability with media */ 2216 ice_phy_type_to_ethtool(netdev, ks); 2217 2218 switch (link_info->link_speed) { 2219 case ICE_AQ_LINK_SPEED_200GB: 2220 ks->base.speed = SPEED_200000; 2221 break; 2222 case ICE_AQ_LINK_SPEED_100GB: 2223 ks->base.speed = SPEED_100000; 2224 break; 2225 case ICE_AQ_LINK_SPEED_50GB: 2226 ks->base.speed = SPEED_50000; 2227 break; 2228 case ICE_AQ_LINK_SPEED_40GB: 2229 ks->base.speed = SPEED_40000; 2230 break; 2231 case ICE_AQ_LINK_SPEED_25GB: 2232 ks->base.speed = SPEED_25000; 2233 break; 2234 case ICE_AQ_LINK_SPEED_20GB: 2235 ks->base.speed = SPEED_20000; 2236 break; 2237 case ICE_AQ_LINK_SPEED_10GB: 2238 ks->base.speed = SPEED_10000; 2239 break; 2240 case ICE_AQ_LINK_SPEED_5GB: 2241 ks->base.speed = SPEED_5000; 2242 break; 2243 case ICE_AQ_LINK_SPEED_2500MB: 2244 ks->base.speed = SPEED_2500; 2245 break; 2246 case ICE_AQ_LINK_SPEED_1000MB: 2247 ks->base.speed = SPEED_1000; 2248 break; 2249 case ICE_AQ_LINK_SPEED_100MB: 2250 ks->base.speed = SPEED_100; 2251 break; 2252 default: 2253 netdev_info(netdev, "WARNING: Unrecognized link_speed (0x%x).\n", 2254 link_info->link_speed); 2255 break; 2256 } 2257 ks->base.duplex = DUPLEX_FULL; 2258 2259 if (link_info->an_info & ICE_AQ_AN_COMPLETED) 2260 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, 2261 Autoneg); 2262 2263 /* Set flow control negotiated Rx/Tx pause */ 2264 switch (pi->fc.current_mode) { 2265 case ICE_FC_FULL: 2266 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, Pause); 2267 break; 2268 case ICE_FC_TX_PAUSE: 2269 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, Pause); 2270 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, 2271 Asym_Pause); 2272 break; 2273 case ICE_FC_RX_PAUSE: 2274 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, 2275 Asym_Pause); 2276 break; 2277 case ICE_FC_PFC: 2278 default: 2279 ethtool_link_ksettings_del_link_mode(ks, lp_advertising, Pause); 2280 ethtool_link_ksettings_del_link_mode(ks, lp_advertising, 2281 Asym_Pause); 2282 break; 2283 } 2284} 2285 2286/** 2287 * ice_get_settings_link_down - Get the Link settings when link is down 2288 * @ks: ethtool ksettings to fill in 2289 * @netdev: network interface device structure 2290 * 2291 * Reports link settings that can be determined when link is down 2292 */ 2293static void 2294ice_get_settings_link_down(struct ethtool_link_ksettings *ks, 2295 struct net_device *netdev) 2296{ 2297 /* link is down and the driver needs to fall back on 2298 * supported PHY types to figure out what info to display 2299 */ 2300 ice_phy_type_to_ethtool(netdev, ks); 2301 2302 /* With no link, speed and duplex are unknown */ 2303 ks->base.speed = SPEED_UNKNOWN; 2304 ks->base.duplex = DUPLEX_UNKNOWN; 2305} 2306 2307/** 2308 * ice_get_link_ksettings - Get Link Speed and Duplex settings 2309 * @netdev: network interface device structure 2310 * @ks: ethtool ksettings 2311 * 2312 * Reports speed/duplex settings based on media_type 2313 */ 2314static int 2315ice_get_link_ksettings(struct net_device *netdev, 2316 struct ethtool_link_ksettings *ks) 2317{ 2318 struct ice_netdev_priv *np = netdev_priv(netdev); 2319 struct ice_aqc_get_phy_caps_data *caps; 2320 struct ice_link_status *hw_link_info; 2321 struct ice_vsi *vsi = np->vsi; 2322 int err; 2323 2324 ethtool_link_ksettings_zero_link_mode(ks, supported); 2325 ethtool_link_ksettings_zero_link_mode(ks, advertising); 2326 ethtool_link_ksettings_zero_link_mode(ks, lp_advertising); 2327 hw_link_info = &vsi->port_info->phy.link_info; 2328 2329 /* set speed and duplex */ 2330 if (hw_link_info->link_info & ICE_AQ_LINK_UP) 2331 ice_get_settings_link_up(ks, netdev); 2332 else 2333 ice_get_settings_link_down(ks, netdev); 2334 2335 /* set autoneg settings */ 2336 ks->base.autoneg = (hw_link_info->an_info & ICE_AQ_AN_COMPLETED) ? 2337 AUTONEG_ENABLE : AUTONEG_DISABLE; 2338 2339 /* set media type settings */ 2340 switch (vsi->port_info->phy.media_type) { 2341 case ICE_MEDIA_FIBER: 2342 ethtool_link_ksettings_add_link_mode(ks, supported, FIBRE); 2343 ks->base.port = PORT_FIBRE; 2344 break; 2345 case ICE_MEDIA_BASET: 2346 ethtool_link_ksettings_add_link_mode(ks, supported, TP); 2347 ethtool_link_ksettings_add_link_mode(ks, advertising, TP); 2348 ks->base.port = PORT_TP; 2349 break; 2350 case ICE_MEDIA_BACKPLANE: 2351 ethtool_link_ksettings_add_link_mode(ks, supported, Backplane); 2352 ethtool_link_ksettings_add_link_mode(ks, advertising, 2353 Backplane); 2354 ks->base.port = PORT_NONE; 2355 break; 2356 case ICE_MEDIA_DA: 2357 ethtool_link_ksettings_add_link_mode(ks, supported, FIBRE); 2358 ethtool_link_ksettings_add_link_mode(ks, advertising, FIBRE); 2359 ks->base.port = PORT_DA; 2360 break; 2361 default: 2362 ks->base.port = PORT_OTHER; 2363 break; 2364 } 2365 2366 /* flow control is symmetric and always supported */ 2367 ethtool_link_ksettings_add_link_mode(ks, supported, Pause); 2368 2369 caps = kzalloc(sizeof(*caps), GFP_KERNEL); 2370 if (!caps) 2371 return -ENOMEM; 2372 2373 err = ice_aq_get_phy_caps(vsi->port_info, false, 2374 ICE_AQC_REPORT_ACTIVE_CFG, caps, NULL); 2375 if (err) 2376 goto done; 2377 2378 /* Set the advertised flow control based on the PHY capability */ 2379 if ((caps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE) && 2380 (caps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE)) { 2381 ethtool_link_ksettings_add_link_mode(ks, advertising, Pause); 2382 ethtool_link_ksettings_add_link_mode(ks, advertising, 2383 Asym_Pause); 2384 } else if (caps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE) { 2385 ethtool_link_ksettings_add_link_mode(ks, advertising, 2386 Asym_Pause); 2387 } else if (caps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE) { 2388 ethtool_link_ksettings_add_link_mode(ks, advertising, Pause); 2389 ethtool_link_ksettings_add_link_mode(ks, advertising, 2390 Asym_Pause); 2391 } else { 2392 ethtool_link_ksettings_del_link_mode(ks, advertising, Pause); 2393 ethtool_link_ksettings_del_link_mode(ks, advertising, 2394 Asym_Pause); 2395 } 2396 2397 /* Set advertised FEC modes based on PHY capability */ 2398 ethtool_link_ksettings_add_link_mode(ks, advertising, FEC_NONE); 2399 2400 if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_REQ || 2401 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_REQ) 2402 ethtool_link_ksettings_add_link_mode(ks, advertising, 2403 FEC_BASER); 2404 if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_528_REQ || 2405 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_544_REQ) 2406 ethtool_link_ksettings_add_link_mode(ks, advertising, FEC_RS); 2407 2408 err = ice_aq_get_phy_caps(vsi->port_info, false, 2409 ICE_AQC_REPORT_TOPO_CAP_MEDIA, caps, NULL); 2410 if (err) 2411 goto done; 2412 2413 /* Set supported FEC modes based on PHY capability */ 2414 ethtool_link_ksettings_add_link_mode(ks, supported, FEC_NONE); 2415 2416 if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_EN || 2417 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_CLAUSE74_EN) 2418 ethtool_link_ksettings_add_link_mode(ks, supported, FEC_BASER); 2419 if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_CLAUSE91_EN) 2420 ethtool_link_ksettings_add_link_mode(ks, supported, FEC_RS); 2421 2422 /* Set supported and advertised autoneg */ 2423 if (ice_is_phy_caps_an_enabled(caps)) { 2424 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg); 2425 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg); 2426 } 2427 2428done: 2429 kfree(caps); 2430 return err; 2431} 2432 2433/** 2434 * ice_speed_to_aq_link - Get AQ link speed by Ethtool forced speed 2435 * @speed: ethtool forced speed 2436 */ 2437static u16 ice_speed_to_aq_link(int speed) 2438{ 2439 int aq_speed; 2440 2441 switch (speed) { 2442 case SPEED_10: 2443 aq_speed = ICE_AQ_LINK_SPEED_10MB; 2444 break; 2445 case SPEED_100: 2446 aq_speed = ICE_AQ_LINK_SPEED_100MB; 2447 break; 2448 case SPEED_1000: 2449 aq_speed = ICE_AQ_LINK_SPEED_1000MB; 2450 break; 2451 case SPEED_2500: 2452 aq_speed = ICE_AQ_LINK_SPEED_2500MB; 2453 break; 2454 case SPEED_5000: 2455 aq_speed = ICE_AQ_LINK_SPEED_5GB; 2456 break; 2457 case SPEED_10000: 2458 aq_speed = ICE_AQ_LINK_SPEED_10GB; 2459 break; 2460 case SPEED_20000: 2461 aq_speed = ICE_AQ_LINK_SPEED_20GB; 2462 break; 2463 case SPEED_25000: 2464 aq_speed = ICE_AQ_LINK_SPEED_25GB; 2465 break; 2466 case SPEED_40000: 2467 aq_speed = ICE_AQ_LINK_SPEED_40GB; 2468 break; 2469 case SPEED_50000: 2470 aq_speed = ICE_AQ_LINK_SPEED_50GB; 2471 break; 2472 case SPEED_100000: 2473 aq_speed = ICE_AQ_LINK_SPEED_100GB; 2474 break; 2475 default: 2476 aq_speed = ICE_AQ_LINK_SPEED_UNKNOWN; 2477 break; 2478 } 2479 return aq_speed; 2480} 2481 2482/** 2483 * ice_ksettings_find_adv_link_speed - Find advertising link speed 2484 * @ks: ethtool ksettings 2485 */ 2486static u16 2487ice_ksettings_find_adv_link_speed(const struct ethtool_link_ksettings *ks) 2488{ 2489 const struct ethtool_forced_speed_map *map; 2490 u16 adv_link_speed = 0; 2491 2492 for (u32 i = 0; i < ARRAY_SIZE(ice_adv_lnk_speed_maps); i++) { 2493 map = ice_adv_lnk_speed_maps + i; 2494 if (linkmode_intersects(ks->link_modes.advertising, map->caps)) 2495 adv_link_speed |= ice_speed_to_aq_link(map->speed); 2496 } 2497 2498 return adv_link_speed; 2499} 2500 2501/** 2502 * ice_setup_autoneg 2503 * @p: port info 2504 * @ks: ethtool_link_ksettings 2505 * @config: configuration that will be sent down to FW 2506 * @autoneg_enabled: autonegotiation is enabled or not 2507 * @autoneg_changed: will there a change in autonegotiation 2508 * @netdev: network interface device structure 2509 * 2510 * Setup PHY autonegotiation feature 2511 */ 2512static int 2513ice_setup_autoneg(struct ice_port_info *p, struct ethtool_link_ksettings *ks, 2514 struct ice_aqc_set_phy_cfg_data *config, 2515 u8 autoneg_enabled, u8 *autoneg_changed, 2516 struct net_device *netdev) 2517{ 2518 int err = 0; 2519 2520 *autoneg_changed = 0; 2521 2522 /* Check autoneg */ 2523 if (autoneg_enabled == AUTONEG_ENABLE) { 2524 /* If autoneg was not already enabled */ 2525 if (!(p->phy.link_info.an_info & ICE_AQ_AN_COMPLETED)) { 2526 /* If autoneg is not supported, return error */ 2527 if (!ethtool_link_ksettings_test_link_mode(ks, 2528 supported, 2529 Autoneg)) { 2530 netdev_info(netdev, "Autoneg not supported on this phy.\n"); 2531 err = -EINVAL; 2532 } else { 2533 /* Autoneg is allowed to change */ 2534 config->caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT; 2535 *autoneg_changed = 1; 2536 } 2537 } 2538 } else { 2539 /* If autoneg is currently enabled */ 2540 if (p->phy.link_info.an_info & ICE_AQ_AN_COMPLETED) { 2541 /* If autoneg is supported 10GBASE_T is the only PHY 2542 * that can disable it, so otherwise return error 2543 */ 2544 if (ethtool_link_ksettings_test_link_mode(ks, 2545 supported, 2546 Autoneg)) { 2547 netdev_info(netdev, "Autoneg cannot be disabled on this phy\n"); 2548 err = -EINVAL; 2549 } else { 2550 /* Autoneg is allowed to change */ 2551 config->caps &= ~ICE_AQ_PHY_ENA_AUTO_LINK_UPDT; 2552 *autoneg_changed = 1; 2553 } 2554 } 2555 } 2556 2557 return err; 2558} 2559 2560/** 2561 * ice_set_phy_type_from_speed - set phy_types based on speeds 2562 * and advertised modes 2563 * @ks: ethtool link ksettings struct 2564 * @phy_type_low: pointer to the lower part of phy_type 2565 * @phy_type_high: pointer to the higher part of phy_type 2566 * @adv_link_speed: targeted link speeds bitmap 2567 */ 2568static void 2569ice_set_phy_type_from_speed(const struct ethtool_link_ksettings *ks, 2570 u64 *phy_type_low, u64 *phy_type_high, 2571 u16 adv_link_speed) 2572{ 2573 /* Handle 1000M speed in a special way because ice_update_phy_type 2574 * enables all link modes, but having mixed copper and optical 2575 * standards is not supported. 2576 */ 2577 adv_link_speed &= ~ICE_AQ_LINK_SPEED_1000MB; 2578 2579 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2580 1000baseT_Full)) 2581 *phy_type_low |= ICE_PHY_TYPE_LOW_1000BASE_T | 2582 ICE_PHY_TYPE_LOW_1G_SGMII; 2583 2584 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2585 1000baseKX_Full)) 2586 *phy_type_low |= ICE_PHY_TYPE_LOW_1000BASE_KX; 2587 2588 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2589 1000baseX_Full)) 2590 *phy_type_low |= ICE_PHY_TYPE_LOW_1000BASE_SX | 2591 ICE_PHY_TYPE_LOW_1000BASE_LX; 2592 2593 ice_update_phy_type(phy_type_low, phy_type_high, adv_link_speed); 2594} 2595 2596/** 2597 * ice_set_link_ksettings - Set Speed and Duplex 2598 * @netdev: network interface device structure 2599 * @ks: ethtool ksettings 2600 * 2601 * Set speed/duplex per media_types advertised/forced 2602 */ 2603static int 2604ice_set_link_ksettings(struct net_device *netdev, 2605 const struct ethtool_link_ksettings *ks) 2606{ 2607 struct ice_netdev_priv *np = netdev_priv(netdev); 2608 u8 autoneg, timeout = TEST_SET_BITS_TIMEOUT; 2609 struct ethtool_link_ksettings copy_ks = *ks; 2610 struct ethtool_link_ksettings safe_ks = {}; 2611 struct ice_aqc_get_phy_caps_data *phy_caps; 2612 struct ice_aqc_set_phy_cfg_data config; 2613 u16 adv_link_speed, curr_link_speed; 2614 struct ice_pf *pf = np->vsi->back; 2615 struct ice_port_info *pi; 2616 u8 autoneg_changed = 0; 2617 u64 phy_type_high = 0; 2618 u64 phy_type_low = 0; 2619 bool linkup; 2620 int err; 2621 2622 pi = np->vsi->port_info; 2623 2624 if (!pi) 2625 return -EIO; 2626 2627 if (pi->phy.media_type != ICE_MEDIA_BASET && 2628 pi->phy.media_type != ICE_MEDIA_FIBER && 2629 pi->phy.media_type != ICE_MEDIA_BACKPLANE && 2630 pi->phy.media_type != ICE_MEDIA_DA && 2631 pi->phy.link_info.link_info & ICE_AQ_LINK_UP) 2632 return -EOPNOTSUPP; 2633 2634 phy_caps = kzalloc(sizeof(*phy_caps), GFP_KERNEL); 2635 if (!phy_caps) 2636 return -ENOMEM; 2637 2638 /* Get the PHY capabilities based on media */ 2639 if (ice_fw_supports_report_dflt_cfg(pi->hw)) 2640 err = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_DFLT_CFG, 2641 phy_caps, NULL); 2642 else 2643 err = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_TOPO_CAP_MEDIA, 2644 phy_caps, NULL); 2645 if (err) 2646 goto done; 2647 2648 /* save autoneg out of ksettings */ 2649 autoneg = copy_ks.base.autoneg; 2650 2651 /* Get link modes supported by hardware.*/ 2652 ice_phy_type_to_ethtool(netdev, &safe_ks); 2653 2654 /* and check against modes requested by user. 2655 * Return an error if unsupported mode was set. 2656 */ 2657 if (!bitmap_subset(copy_ks.link_modes.advertising, 2658 safe_ks.link_modes.supported, 2659 __ETHTOOL_LINK_MODE_MASK_NBITS)) { 2660 if (!test_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, pf->flags)) 2661 netdev_info(netdev, "The selected speed is not supported by the current media. Please select a link speed that is supported by the current media.\n"); 2662 err = -EOPNOTSUPP; 2663 goto done; 2664 } 2665 2666 /* get our own copy of the bits to check against */ 2667 memset(&safe_ks, 0, sizeof(safe_ks)); 2668 safe_ks.base.cmd = copy_ks.base.cmd; 2669 safe_ks.base.link_mode_masks_nwords = 2670 copy_ks.base.link_mode_masks_nwords; 2671 ice_get_link_ksettings(netdev, &safe_ks); 2672 2673 /* set autoneg back to what it currently is */ 2674 copy_ks.base.autoneg = safe_ks.base.autoneg; 2675 /* we don't compare the speed */ 2676 copy_ks.base.speed = safe_ks.base.speed; 2677 2678 /* If copy_ks.base and safe_ks.base are not the same now, then they are 2679 * trying to set something that we do not support. 2680 */ 2681 if (memcmp(©_ks.base, &safe_ks.base, sizeof(copy_ks.base))) { 2682 err = -EOPNOTSUPP; 2683 goto done; 2684 } 2685 2686 while (test_and_set_bit(ICE_CFG_BUSY, pf->state)) { 2687 timeout--; 2688 if (!timeout) { 2689 err = -EBUSY; 2690 goto done; 2691 } 2692 usleep_range(TEST_SET_BITS_SLEEP_MIN, TEST_SET_BITS_SLEEP_MAX); 2693 } 2694 2695 /* Copy the current user PHY configuration. The current user PHY 2696 * configuration is initialized during probe from PHY capabilities 2697 * software mode, and updated on set PHY configuration. 2698 */ 2699 config = pi->phy.curr_user_phy_cfg; 2700 2701 config.caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT; 2702 2703 /* Check autoneg */ 2704 err = ice_setup_autoneg(pi, &safe_ks, &config, autoneg, &autoneg_changed, 2705 netdev); 2706 2707 if (err) 2708 goto done; 2709 2710 /* Call to get the current link speed */ 2711 pi->phy.get_link_info = true; 2712 err = ice_get_link_status(pi, &linkup); 2713 if (err) 2714 goto done; 2715 2716 curr_link_speed = pi->phy.curr_user_speed_req; 2717 adv_link_speed = ice_ksettings_find_adv_link_speed(ks); 2718 2719 /* If speed didn't get set, set it to what it currently is. 2720 * This is needed because if advertise is 0 (as it is when autoneg 2721 * is disabled) then speed won't get set. 2722 */ 2723 if (!adv_link_speed) 2724 adv_link_speed = curr_link_speed; 2725 2726 /* Convert the advertise link speeds to their corresponded PHY_TYPE */ 2727 ice_set_phy_type_from_speed(ks, &phy_type_low, &phy_type_high, 2728 adv_link_speed); 2729 2730 if (!autoneg_changed && adv_link_speed == curr_link_speed) { 2731 netdev_info(netdev, "Nothing changed, exiting without setting anything.\n"); 2732 goto done; 2733 } 2734 2735 /* save the requested speeds */ 2736 pi->phy.link_info.req_speeds = adv_link_speed; 2737 2738 /* set link and auto negotiation so changes take effect */ 2739 config.caps |= ICE_AQ_PHY_ENA_LINK; 2740 2741 /* check if there is a PHY type for the requested advertised speed */ 2742 if (!(phy_type_low || phy_type_high)) { 2743 netdev_info(netdev, "The selected speed is not supported by the current media. Please select a link speed that is supported by the current media.\n"); 2744 err = -EOPNOTSUPP; 2745 goto done; 2746 } 2747 2748 /* intersect requested advertised speed PHY types with media PHY types 2749 * for set PHY configuration 2750 */ 2751 config.phy_type_high = cpu_to_le64(phy_type_high) & 2752 phy_caps->phy_type_high; 2753 config.phy_type_low = cpu_to_le64(phy_type_low) & 2754 phy_caps->phy_type_low; 2755 2756 if (!(config.phy_type_high || config.phy_type_low)) { 2757 /* If there is no intersection and lenient mode is enabled, then 2758 * intersect the requested advertised speed with NVM media type 2759 * PHY types. 2760 */ 2761 if (test_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, pf->flags)) { 2762 config.phy_type_high = cpu_to_le64(phy_type_high) & 2763 pf->nvm_phy_type_hi; 2764 config.phy_type_low = cpu_to_le64(phy_type_low) & 2765 pf->nvm_phy_type_lo; 2766 } else { 2767 netdev_info(netdev, "The selected speed is not supported by the current media. Please select a link speed that is supported by the current media.\n"); 2768 err = -EOPNOTSUPP; 2769 goto done; 2770 } 2771 } 2772 2773 /* If link is up put link down */ 2774 if (pi->phy.link_info.link_info & ICE_AQ_LINK_UP) { 2775 /* Tell the OS link is going down, the link will go 2776 * back up when fw says it is ready asynchronously 2777 */ 2778 ice_print_link_msg(np->vsi, false); 2779 netif_carrier_off(netdev); 2780 netif_tx_stop_all_queues(netdev); 2781 } 2782 2783 /* make the aq call */ 2784 err = ice_aq_set_phy_cfg(&pf->hw, pi, &config, NULL); 2785 if (err) { 2786 netdev_info(netdev, "Set phy config failed,\n"); 2787 goto done; 2788 } 2789 2790 /* Save speed request */ 2791 pi->phy.curr_user_speed_req = adv_link_speed; 2792done: 2793 kfree(phy_caps); 2794 clear_bit(ICE_CFG_BUSY, pf->state); 2795 2796 return err; 2797} 2798 2799static u32 ice_parse_hdrs(const struct ethtool_rxfh_fields *nfc) 2800{ 2801 u32 hdrs = ICE_FLOW_SEG_HDR_NONE; 2802 2803 switch (nfc->flow_type) { 2804 case TCP_V4_FLOW: 2805 hdrs |= ICE_FLOW_SEG_HDR_TCP | ICE_FLOW_SEG_HDR_IPV4; 2806 break; 2807 case UDP_V4_FLOW: 2808 hdrs |= ICE_FLOW_SEG_HDR_UDP | ICE_FLOW_SEG_HDR_IPV4; 2809 break; 2810 case SCTP_V4_FLOW: 2811 hdrs |= ICE_FLOW_SEG_HDR_SCTP | ICE_FLOW_SEG_HDR_IPV4; 2812 break; 2813 case GTPU_V4_FLOW: 2814 hdrs |= ICE_FLOW_SEG_HDR_GTPU_IP | ICE_FLOW_SEG_HDR_IPV4; 2815 break; 2816 case GTPC_V4_FLOW: 2817 hdrs |= ICE_FLOW_SEG_HDR_GTPC | ICE_FLOW_SEG_HDR_IPV4; 2818 break; 2819 case GTPC_TEID_V4_FLOW: 2820 hdrs |= ICE_FLOW_SEG_HDR_GTPC_TEID | ICE_FLOW_SEG_HDR_IPV4; 2821 break; 2822 case GTPU_EH_V4_FLOW: 2823 hdrs |= ICE_FLOW_SEG_HDR_GTPU_EH | ICE_FLOW_SEG_HDR_IPV4; 2824 break; 2825 case GTPU_UL_V4_FLOW: 2826 hdrs |= ICE_FLOW_SEG_HDR_GTPU_UP | ICE_FLOW_SEG_HDR_IPV4; 2827 break; 2828 case GTPU_DL_V4_FLOW: 2829 hdrs |= ICE_FLOW_SEG_HDR_GTPU_DWN | ICE_FLOW_SEG_HDR_IPV4; 2830 break; 2831 case TCP_V6_FLOW: 2832 hdrs |= ICE_FLOW_SEG_HDR_TCP | ICE_FLOW_SEG_HDR_IPV6; 2833 break; 2834 case UDP_V6_FLOW: 2835 hdrs |= ICE_FLOW_SEG_HDR_UDP | ICE_FLOW_SEG_HDR_IPV6; 2836 break; 2837 case SCTP_V6_FLOW: 2838 hdrs |= ICE_FLOW_SEG_HDR_SCTP | ICE_FLOW_SEG_HDR_IPV6; 2839 break; 2840 case GTPU_V6_FLOW: 2841 hdrs |= ICE_FLOW_SEG_HDR_GTPU_IP | ICE_FLOW_SEG_HDR_IPV6; 2842 break; 2843 case GTPC_V6_FLOW: 2844 hdrs |= ICE_FLOW_SEG_HDR_GTPC | ICE_FLOW_SEG_HDR_IPV6; 2845 break; 2846 case GTPC_TEID_V6_FLOW: 2847 hdrs |= ICE_FLOW_SEG_HDR_GTPC_TEID | ICE_FLOW_SEG_HDR_IPV6; 2848 break; 2849 case GTPU_EH_V6_FLOW: 2850 hdrs |= ICE_FLOW_SEG_HDR_GTPU_EH | ICE_FLOW_SEG_HDR_IPV6; 2851 break; 2852 case GTPU_UL_V6_FLOW: 2853 hdrs |= ICE_FLOW_SEG_HDR_GTPU_UP | ICE_FLOW_SEG_HDR_IPV6; 2854 break; 2855 case GTPU_DL_V6_FLOW: 2856 hdrs |= ICE_FLOW_SEG_HDR_GTPU_DWN | ICE_FLOW_SEG_HDR_IPV6; 2857 break; 2858 default: 2859 break; 2860 } 2861 return hdrs; 2862} 2863 2864static u64 ice_parse_hash_flds(const struct ethtool_rxfh_fields *nfc, bool symm) 2865{ 2866 u64 hfld = ICE_HASH_INVALID; 2867 2868 if (nfc->data & RXH_IP_SRC || nfc->data & RXH_IP_DST) { 2869 switch (nfc->flow_type) { 2870 case TCP_V4_FLOW: 2871 case UDP_V4_FLOW: 2872 case SCTP_V4_FLOW: 2873 case GTPU_V4_FLOW: 2874 case GTPC_V4_FLOW: 2875 case GTPC_TEID_V4_FLOW: 2876 case GTPU_EH_V4_FLOW: 2877 case GTPU_UL_V4_FLOW: 2878 case GTPU_DL_V4_FLOW: 2879 if (nfc->data & RXH_IP_SRC) 2880 hfld |= ICE_FLOW_HASH_FLD_IPV4_SA; 2881 if (nfc->data & RXH_IP_DST) 2882 hfld |= ICE_FLOW_HASH_FLD_IPV4_DA; 2883 break; 2884 case TCP_V6_FLOW: 2885 case UDP_V6_FLOW: 2886 case SCTP_V6_FLOW: 2887 case GTPU_V6_FLOW: 2888 case GTPC_V6_FLOW: 2889 case GTPC_TEID_V6_FLOW: 2890 case GTPU_EH_V6_FLOW: 2891 case GTPU_UL_V6_FLOW: 2892 case GTPU_DL_V6_FLOW: 2893 if (nfc->data & RXH_IP_SRC) 2894 hfld |= ICE_FLOW_HASH_FLD_IPV6_SA; 2895 if (nfc->data & RXH_IP_DST) 2896 hfld |= ICE_FLOW_HASH_FLD_IPV6_DA; 2897 break; 2898 default: 2899 break; 2900 } 2901 } 2902 2903 if (nfc->data & RXH_L4_B_0_1 || nfc->data & RXH_L4_B_2_3) { 2904 switch (nfc->flow_type) { 2905 case TCP_V4_FLOW: 2906 case TCP_V6_FLOW: 2907 if (nfc->data & RXH_L4_B_0_1) 2908 hfld |= ICE_FLOW_HASH_FLD_TCP_SRC_PORT; 2909 if (nfc->data & RXH_L4_B_2_3) 2910 hfld |= ICE_FLOW_HASH_FLD_TCP_DST_PORT; 2911 break; 2912 case UDP_V4_FLOW: 2913 case UDP_V6_FLOW: 2914 if (nfc->data & RXH_L4_B_0_1) 2915 hfld |= ICE_FLOW_HASH_FLD_UDP_SRC_PORT; 2916 if (nfc->data & RXH_L4_B_2_3) 2917 hfld |= ICE_FLOW_HASH_FLD_UDP_DST_PORT; 2918 break; 2919 case SCTP_V4_FLOW: 2920 case SCTP_V6_FLOW: 2921 if (nfc->data & RXH_L4_B_0_1) 2922 hfld |= ICE_FLOW_HASH_FLD_SCTP_SRC_PORT; 2923 if (nfc->data & RXH_L4_B_2_3) 2924 hfld |= ICE_FLOW_HASH_FLD_SCTP_DST_PORT; 2925 break; 2926 default: 2927 break; 2928 } 2929 } 2930 2931 if (nfc->data & RXH_GTP_TEID) { 2932 switch (nfc->flow_type) { 2933 case GTPC_TEID_V4_FLOW: 2934 case GTPC_TEID_V6_FLOW: 2935 hfld |= ICE_FLOW_HASH_FLD_GTPC_TEID; 2936 break; 2937 case GTPU_V4_FLOW: 2938 case GTPU_V6_FLOW: 2939 hfld |= ICE_FLOW_HASH_FLD_GTPU_IP_TEID; 2940 break; 2941 case GTPU_EH_V4_FLOW: 2942 case GTPU_EH_V6_FLOW: 2943 hfld |= ICE_FLOW_HASH_FLD_GTPU_EH_TEID; 2944 break; 2945 case GTPU_UL_V4_FLOW: 2946 case GTPU_UL_V6_FLOW: 2947 hfld |= ICE_FLOW_HASH_FLD_GTPU_UP_TEID; 2948 break; 2949 case GTPU_DL_V4_FLOW: 2950 case GTPU_DL_V6_FLOW: 2951 hfld |= ICE_FLOW_HASH_FLD_GTPU_DWN_TEID; 2952 break; 2953 default: 2954 break; 2955 } 2956 } 2957 2958 return hfld; 2959} 2960 2961static int 2962ice_set_rxfh_fields(struct net_device *netdev, 2963 const struct ethtool_rxfh_fields *nfc, 2964 struct netlink_ext_ack *extack) 2965{ 2966 struct ice_netdev_priv *np = netdev_priv(netdev); 2967 struct ice_vsi *vsi = np->vsi; 2968 struct ice_pf *pf = vsi->back; 2969 struct ice_rss_hash_cfg cfg; 2970 struct device *dev; 2971 u64 hashed_flds; 2972 int status; 2973 bool symm; 2974 u32 hdrs; 2975 2976 dev = ice_pf_to_dev(pf); 2977 if (ice_is_safe_mode(pf)) { 2978 dev_dbg(dev, "Advanced RSS disabled. Package download failed, vsi num = %d\n", 2979 vsi->vsi_num); 2980 return -EINVAL; 2981 } 2982 2983 symm = !!(vsi->rss_hfunc == ICE_AQ_VSI_Q_OPT_RSS_HASH_SYM_TPLZ); 2984 hashed_flds = ice_parse_hash_flds(nfc, symm); 2985 if (hashed_flds == ICE_HASH_INVALID) { 2986 dev_dbg(dev, "Invalid hash fields, vsi num = %d\n", 2987 vsi->vsi_num); 2988 return -EINVAL; 2989 } 2990 2991 hdrs = ice_parse_hdrs(nfc); 2992 if (hdrs == ICE_FLOW_SEG_HDR_NONE) { 2993 dev_dbg(dev, "Header type is not valid, vsi num = %d\n", 2994 vsi->vsi_num); 2995 return -EINVAL; 2996 } 2997 2998 cfg.hash_flds = hashed_flds; 2999 cfg.addl_hdrs = hdrs; 3000 cfg.hdr_type = ICE_RSS_ANY_HEADERS; 3001 cfg.symm = symm; 3002 3003 status = ice_add_rss_cfg(&pf->hw, vsi, &cfg); 3004 if (status) { 3005 dev_dbg(dev, "ice_add_rss_cfg failed, vsi num = %d, error = %d\n", 3006 vsi->vsi_num, status); 3007 return status; 3008 } 3009 3010 return 0; 3011} 3012 3013static int 3014ice_get_rxfh_fields(struct net_device *netdev, struct ethtool_rxfh_fields *nfc) 3015{ 3016 struct ice_netdev_priv *np = netdev_priv(netdev); 3017 struct ice_vsi *vsi = np->vsi; 3018 struct ice_pf *pf = vsi->back; 3019 struct device *dev; 3020 u64 hash_flds; 3021 bool symm; 3022 u32 hdrs; 3023 3024 dev = ice_pf_to_dev(pf); 3025 3026 nfc->data = 0; 3027 if (ice_is_safe_mode(pf)) { 3028 dev_dbg(dev, "Advanced RSS disabled. Package download failed, vsi num = %d\n", 3029 vsi->vsi_num); 3030 return 0; 3031 } 3032 3033 hdrs = ice_parse_hdrs(nfc); 3034 if (hdrs == ICE_FLOW_SEG_HDR_NONE) { 3035 dev_dbg(dev, "Header type is not valid, vsi num = %d\n", 3036 vsi->vsi_num); 3037 return 0; 3038 } 3039 3040 hash_flds = ice_get_rss_cfg(&pf->hw, vsi->idx, hdrs, &symm); 3041 if (hash_flds == ICE_HASH_INVALID) { 3042 dev_dbg(dev, "No hash fields found for the given header type, vsi num = %d\n", 3043 vsi->vsi_num); 3044 return 0; 3045 } 3046 3047 if (hash_flds & ICE_FLOW_HASH_FLD_IPV4_SA || 3048 hash_flds & ICE_FLOW_HASH_FLD_IPV6_SA) 3049 nfc->data |= (u64)RXH_IP_SRC; 3050 3051 if (hash_flds & ICE_FLOW_HASH_FLD_IPV4_DA || 3052 hash_flds & ICE_FLOW_HASH_FLD_IPV6_DA) 3053 nfc->data |= (u64)RXH_IP_DST; 3054 3055 if (hash_flds & ICE_FLOW_HASH_FLD_TCP_SRC_PORT || 3056 hash_flds & ICE_FLOW_HASH_FLD_UDP_SRC_PORT || 3057 hash_flds & ICE_FLOW_HASH_FLD_SCTP_SRC_PORT) 3058 nfc->data |= (u64)RXH_L4_B_0_1; 3059 3060 if (hash_flds & ICE_FLOW_HASH_FLD_TCP_DST_PORT || 3061 hash_flds & ICE_FLOW_HASH_FLD_UDP_DST_PORT || 3062 hash_flds & ICE_FLOW_HASH_FLD_SCTP_DST_PORT) 3063 nfc->data |= (u64)RXH_L4_B_2_3; 3064 3065 if (hash_flds & ICE_FLOW_HASH_FLD_GTPC_TEID || 3066 hash_flds & ICE_FLOW_HASH_FLD_GTPU_IP_TEID || 3067 hash_flds & ICE_FLOW_HASH_FLD_GTPU_EH_TEID || 3068 hash_flds & ICE_FLOW_HASH_FLD_GTPU_UP_TEID || 3069 hash_flds & ICE_FLOW_HASH_FLD_GTPU_DWN_TEID) 3070 nfc->data |= (u64)RXH_GTP_TEID; 3071 3072 return 0; 3073} 3074 3075/** 3076 * ice_set_rxnfc - command to set Rx flow rules. 3077 * @netdev: network interface device structure 3078 * @cmd: ethtool rxnfc command 3079 * 3080 * Returns 0 for success and negative values for errors 3081 */ 3082static int ice_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd) 3083{ 3084 struct ice_netdev_priv *np = netdev_priv(netdev); 3085 struct ice_vsi *vsi = np->vsi; 3086 3087 switch (cmd->cmd) { 3088 case ETHTOOL_SRXCLSRLINS: 3089 return ice_add_fdir_ethtool(vsi, cmd); 3090 case ETHTOOL_SRXCLSRLDEL: 3091 return ice_del_fdir_ethtool(vsi, cmd); 3092 default: 3093 break; 3094 } 3095 return -EOPNOTSUPP; 3096} 3097 3098/** 3099 * ice_get_rx_ring_count - get RX ring count 3100 * @netdev: network interface device structure 3101 * 3102 * Return: number of RX rings. 3103 */ 3104static u32 ice_get_rx_ring_count(struct net_device *netdev) 3105{ 3106 struct ice_netdev_priv *np = netdev_priv(netdev); 3107 struct ice_vsi *vsi = np->vsi; 3108 3109 return vsi->rss_size; 3110} 3111 3112/** 3113 * ice_get_rxnfc - command to get Rx flow classification rules 3114 * @netdev: network interface device structure 3115 * @cmd: ethtool rxnfc command 3116 * @rule_locs: buffer to rturn Rx flow classification rules 3117 * 3118 * Returns Success if the command is supported. 3119 */ 3120static int 3121ice_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd, 3122 u32 __always_unused *rule_locs) 3123{ 3124 struct ice_netdev_priv *np = netdev_priv(netdev); 3125 struct ice_vsi *vsi = np->vsi; 3126 int ret = -EOPNOTSUPP; 3127 struct ice_hw *hw; 3128 3129 hw = &vsi->back->hw; 3130 3131 switch (cmd->cmd) { 3132 case ETHTOOL_GRXCLSRLCNT: 3133 cmd->rule_cnt = hw->fdir_active_fltr; 3134 /* report total rule count */ 3135 cmd->data = ice_get_fdir_cnt_all(hw); 3136 ret = 0; 3137 break; 3138 case ETHTOOL_GRXCLSRULE: 3139 ret = ice_get_ethtool_fdir_entry(hw, cmd); 3140 break; 3141 case ETHTOOL_GRXCLSRLALL: 3142 ret = ice_get_fdir_fltr_ids(hw, cmd, (u32 *)rule_locs); 3143 break; 3144 default: 3145 break; 3146 } 3147 3148 return ret; 3149} 3150 3151static void 3152ice_get_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring, 3153 struct kernel_ethtool_ringparam *kernel_ring, 3154 struct netlink_ext_ack *extack) 3155{ 3156 struct ice_netdev_priv *np = netdev_priv(netdev); 3157 struct ice_vsi *vsi = np->vsi; 3158 struct ice_hw *hw; 3159 3160 hw = &vsi->back->hw; 3161 ring->rx_max_pending = ICE_MAX_NUM_DESC_BY_MAC(hw); 3162 ring->tx_max_pending = ICE_MAX_NUM_DESC_BY_MAC(hw); 3163 if (vsi->tx_rings && vsi->rx_rings) { 3164 ring->rx_pending = vsi->rx_rings[0]->count; 3165 ring->tx_pending = vsi->tx_rings[0]->count; 3166 } else { 3167 ring->rx_pending = 0; 3168 ring->tx_pending = 0; 3169 } 3170 3171 /* Rx mini and jumbo rings are not supported */ 3172 ring->rx_mini_max_pending = 0; 3173 ring->rx_jumbo_max_pending = 0; 3174 ring->rx_mini_pending = 0; 3175 ring->rx_jumbo_pending = 0; 3176 3177 kernel_ring->tcp_data_split = vsi->hsplit ? 3178 ETHTOOL_TCP_DATA_SPLIT_ENABLED : 3179 ETHTOOL_TCP_DATA_SPLIT_DISABLED; 3180} 3181 3182static int 3183ice_set_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring, 3184 struct kernel_ethtool_ringparam *kernel_ring, 3185 struct netlink_ext_ack *extack) 3186{ 3187 struct ice_netdev_priv *np = netdev_priv(netdev); 3188 struct ice_tx_ring *xdp_rings = NULL; 3189 struct ice_tx_ring *tx_rings = NULL; 3190 struct ice_rx_ring *rx_rings = NULL; 3191 struct ice_vsi *vsi = np->vsi; 3192 struct ice_pf *pf = vsi->back; 3193 int i, timeout = 50, err = 0; 3194 struct ice_hw *hw = &pf->hw; 3195 u16 new_rx_cnt, new_tx_cnt; 3196 bool hsplit; 3197 3198 if (ring->tx_pending > ICE_MAX_NUM_DESC_BY_MAC(hw) || 3199 ring->tx_pending < ICE_MIN_NUM_DESC || 3200 ring->rx_pending > ICE_MAX_NUM_DESC_BY_MAC(hw) || 3201 ring->rx_pending < ICE_MIN_NUM_DESC) { 3202 netdev_err(netdev, "Descriptors requested (Tx: %d / Rx: %d) out of range [%d-%d] (increment %d)\n", 3203 ring->tx_pending, ring->rx_pending, 3204 ICE_MIN_NUM_DESC, ICE_MAX_NUM_DESC_BY_MAC(hw), 3205 ICE_REQ_DESC_MULTIPLE); 3206 return -EINVAL; 3207 } 3208 3209 /* Return if there is no rings (device is reloading) */ 3210 if (!vsi->tx_rings || !vsi->rx_rings) 3211 return -EBUSY; 3212 3213 new_tx_cnt = ALIGN(ring->tx_pending, ICE_REQ_DESC_MULTIPLE); 3214 if (new_tx_cnt != ring->tx_pending) 3215 netdev_info(netdev, "Requested Tx descriptor count rounded up to %d\n", 3216 new_tx_cnt); 3217 new_rx_cnt = ALIGN(ring->rx_pending, ICE_REQ_DESC_MULTIPLE); 3218 if (new_rx_cnt != ring->rx_pending) 3219 netdev_info(netdev, "Requested Rx descriptor count rounded up to %d\n", 3220 new_rx_cnt); 3221 3222 hsplit = kernel_ring->tcp_data_split == ETHTOOL_TCP_DATA_SPLIT_ENABLED; 3223 3224 /* if nothing to do return success */ 3225 if (new_tx_cnt == vsi->tx_rings[0]->count && 3226 new_rx_cnt == vsi->rx_rings[0]->count && 3227 hsplit == vsi->hsplit) { 3228 netdev_dbg(netdev, "Nothing to change, descriptor count is same as requested\n"); 3229 return 0; 3230 } 3231 3232 /* If there is a AF_XDP UMEM attached to any of Rx rings, 3233 * disallow changing the number of descriptors -- regardless 3234 * if the netdev is running or not. 3235 */ 3236 if (ice_xsk_any_rx_ring_ena(vsi)) 3237 return -EBUSY; 3238 3239 while (test_and_set_bit(ICE_CFG_BUSY, pf->state)) { 3240 timeout--; 3241 if (!timeout) 3242 return -EBUSY; 3243 usleep_range(1000, 2000); 3244 } 3245 3246 /* set for the next time the netdev is started */ 3247 if (!netif_running(vsi->netdev)) { 3248 ice_for_each_alloc_txq(vsi, i) 3249 vsi->tx_rings[i]->count = new_tx_cnt; 3250 ice_for_each_alloc_rxq(vsi, i) 3251 vsi->rx_rings[i]->count = new_rx_cnt; 3252 if (ice_is_xdp_ena_vsi(vsi)) 3253 ice_for_each_xdp_txq(vsi, i) 3254 vsi->xdp_rings[i]->count = new_tx_cnt; 3255 vsi->num_tx_desc = (u16)new_tx_cnt; 3256 vsi->num_rx_desc = (u16)new_rx_cnt; 3257 vsi->hsplit = hsplit; 3258 3259 netdev_dbg(netdev, "Link is down, descriptor count change happens when link is brought up\n"); 3260 goto done; 3261 } 3262 3263 if (new_tx_cnt == vsi->tx_rings[0]->count) 3264 goto process_rx; 3265 3266 /* alloc updated Tx resources */ 3267 netdev_info(netdev, "Changing Tx descriptor count from %d to %d\n", 3268 vsi->tx_rings[0]->count, new_tx_cnt); 3269 3270 tx_rings = kcalloc(vsi->num_txq, sizeof(*tx_rings), GFP_KERNEL); 3271 if (!tx_rings) { 3272 err = -ENOMEM; 3273 goto done; 3274 } 3275 3276 ice_for_each_txq(vsi, i) { 3277 /* clone ring and setup updated count */ 3278 tx_rings[i] = *vsi->tx_rings[i]; 3279 tx_rings[i].count = new_tx_cnt; 3280 tx_rings[i].desc = NULL; 3281 tx_rings[i].tx_buf = NULL; 3282 tx_rings[i].tstamp_ring = NULL; 3283 tx_rings[i].tx_tstamps = &pf->ptp.port.tx; 3284 err = ice_setup_tx_ring(&tx_rings[i]); 3285 if (err) { 3286 while (i--) 3287 ice_clean_tx_ring(&tx_rings[i]); 3288 kfree(tx_rings); 3289 goto done; 3290 } 3291 } 3292 3293 if (!ice_is_xdp_ena_vsi(vsi)) 3294 goto process_rx; 3295 3296 /* alloc updated XDP resources */ 3297 netdev_info(netdev, "Changing XDP descriptor count from %d to %d\n", 3298 vsi->xdp_rings[0]->count, new_tx_cnt); 3299 3300 xdp_rings = kcalloc(vsi->num_xdp_txq, sizeof(*xdp_rings), GFP_KERNEL); 3301 if (!xdp_rings) { 3302 err = -ENOMEM; 3303 goto free_tx; 3304 } 3305 3306 ice_for_each_xdp_txq(vsi, i) { 3307 /* clone ring and setup updated count */ 3308 xdp_rings[i] = *vsi->xdp_rings[i]; 3309 xdp_rings[i].count = new_tx_cnt; 3310 xdp_rings[i].desc = NULL; 3311 xdp_rings[i].tx_buf = NULL; 3312 err = ice_setup_tx_ring(&xdp_rings[i]); 3313 if (err) { 3314 while (i--) 3315 ice_clean_tx_ring(&xdp_rings[i]); 3316 kfree(xdp_rings); 3317 goto free_tx; 3318 } 3319 ice_set_ring_xdp(&xdp_rings[i]); 3320 } 3321 3322process_rx: 3323 if (new_rx_cnt == vsi->rx_rings[0]->count) 3324 goto process_link; 3325 3326 /* alloc updated Rx resources */ 3327 netdev_info(netdev, "Changing Rx descriptor count from %d to %d\n", 3328 vsi->rx_rings[0]->count, new_rx_cnt); 3329 3330 rx_rings = kcalloc(vsi->num_rxq, sizeof(*rx_rings), GFP_KERNEL); 3331 if (!rx_rings) { 3332 err = -ENOMEM; 3333 goto free_xdp; 3334 } 3335 3336 ice_for_each_rxq(vsi, i) { 3337 /* clone ring and setup updated count */ 3338 rx_rings[i] = *vsi->rx_rings[i]; 3339 rx_rings[i].count = new_rx_cnt; 3340 rx_rings[i].cached_phctime = pf->ptp.cached_phc_time; 3341 rx_rings[i].desc = NULL; 3342 rx_rings[i].xdp_buf = NULL; 3343 rx_rings[i].xdp_rxq = (struct xdp_rxq_info){ }; 3344 3345 /* this is to allow wr32 to have something to write to 3346 * during early allocation of Rx buffers 3347 */ 3348 rx_rings[i].tail = vsi->back->hw.hw_addr + PRTGEN_STATUS; 3349 3350 err = ice_setup_rx_ring(&rx_rings[i]); 3351 if (err) 3352 goto rx_unwind; 3353rx_unwind: 3354 if (err) { 3355 while (i) { 3356 i--; 3357 ice_free_rx_ring(&rx_rings[i]); 3358 } 3359 kfree(rx_rings); 3360 err = -ENOMEM; 3361 goto free_xdp; 3362 } 3363 } 3364 3365process_link: 3366 vsi->hsplit = hsplit; 3367 3368 /* Bring interface down, copy in the new ring info, then restore the 3369 * interface. if VSI is up, bring it down and then back up 3370 */ 3371 if (!test_and_set_bit(ICE_VSI_DOWN, vsi->state)) { 3372 ice_down(vsi); 3373 3374 if (tx_rings) { 3375 ice_for_each_txq(vsi, i) { 3376 ice_free_tx_ring(vsi->tx_rings[i]); 3377 *vsi->tx_rings[i] = tx_rings[i]; 3378 } 3379 kfree(tx_rings); 3380 } 3381 3382 if (rx_rings) { 3383 ice_for_each_rxq(vsi, i) { 3384 ice_free_rx_ring(vsi->rx_rings[i]); 3385 /* copy the real tail offset */ 3386 rx_rings[i].tail = vsi->rx_rings[i]->tail; 3387 /* this is to fake out the allocation routine 3388 * into thinking it has to realloc everything 3389 * but the recycling logic will let us re-use 3390 * the buffers allocated above 3391 */ 3392 rx_rings[i].next_to_use = 0; 3393 rx_rings[i].next_to_clean = 0; 3394 rx_rings[i].next_to_alloc = 0; 3395 *vsi->rx_rings[i] = rx_rings[i]; 3396 } 3397 kfree(rx_rings); 3398 } 3399 3400 if (xdp_rings) { 3401 ice_for_each_xdp_txq(vsi, i) { 3402 ice_free_tx_ring(vsi->xdp_rings[i]); 3403 *vsi->xdp_rings[i] = xdp_rings[i]; 3404 } 3405 kfree(xdp_rings); 3406 } 3407 3408 vsi->num_tx_desc = new_tx_cnt; 3409 vsi->num_rx_desc = new_rx_cnt; 3410 ice_up(vsi); 3411 } 3412 goto done; 3413 3414free_xdp: 3415 if (xdp_rings) { 3416 ice_for_each_xdp_txq(vsi, i) 3417 ice_free_tx_ring(&xdp_rings[i]); 3418 kfree(xdp_rings); 3419 } 3420 3421free_tx: 3422 /* error cleanup if the Rx allocations failed after getting Tx */ 3423 if (tx_rings) { 3424 ice_for_each_txq(vsi, i) 3425 ice_free_tx_ring(&tx_rings[i]); 3426 kfree(tx_rings); 3427 } 3428 3429done: 3430 clear_bit(ICE_CFG_BUSY, pf->state); 3431 return err; 3432} 3433 3434/** 3435 * ice_get_pauseparam - Get Flow Control status 3436 * @netdev: network interface device structure 3437 * @pause: ethernet pause (flow control) parameters 3438 * 3439 * Get requested flow control status from PHY capability. 3440 * If autoneg is true, then ethtool will send the ETHTOOL_GSET ioctl which 3441 * is handled by ice_get_link_ksettings. ice_get_link_ksettings will report 3442 * the negotiated Rx/Tx pause via lp_advertising. 3443 */ 3444static void 3445ice_get_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause) 3446{ 3447 struct ice_netdev_priv *np = netdev_priv(netdev); 3448 struct ice_port_info *pi = np->vsi->port_info; 3449 struct ice_aqc_get_phy_caps_data *pcaps; 3450 struct ice_dcbx_cfg *dcbx_cfg; 3451 int status; 3452 3453 /* Initialize pause params */ 3454 pause->rx_pause = 0; 3455 pause->tx_pause = 0; 3456 3457 dcbx_cfg = &pi->qos_cfg.local_dcbx_cfg; 3458 3459 pcaps = kzalloc(sizeof(*pcaps), GFP_KERNEL); 3460 if (!pcaps) 3461 return; 3462 3463 /* Get current PHY config */ 3464 status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_ACTIVE_CFG, pcaps, 3465 NULL); 3466 if (status) 3467 goto out; 3468 3469 pause->autoneg = ice_is_phy_caps_an_enabled(pcaps) ? AUTONEG_ENABLE : 3470 AUTONEG_DISABLE; 3471 3472 if (dcbx_cfg->pfc.pfcena) 3473 /* PFC enabled so report LFC as off */ 3474 goto out; 3475 3476 if (pcaps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE) 3477 pause->tx_pause = 1; 3478 if (pcaps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE) 3479 pause->rx_pause = 1; 3480 3481out: 3482 kfree(pcaps); 3483} 3484 3485/** 3486 * ice_set_pauseparam - Set Flow Control parameter 3487 * @netdev: network interface device structure 3488 * @pause: return Tx/Rx flow control status 3489 */ 3490static int 3491ice_set_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause) 3492{ 3493 struct ice_netdev_priv *np = netdev_priv(netdev); 3494 struct ice_aqc_get_phy_caps_data *pcaps; 3495 struct ice_link_status *hw_link_info; 3496 struct ice_pf *pf = np->vsi->back; 3497 struct ice_dcbx_cfg *dcbx_cfg; 3498 struct ice_vsi *vsi = np->vsi; 3499 struct ice_hw *hw = &pf->hw; 3500 struct ice_port_info *pi; 3501 u8 aq_failures; 3502 bool link_up; 3503 u32 is_an; 3504 int err; 3505 3506 pi = vsi->port_info; 3507 hw_link_info = &pi->phy.link_info; 3508 dcbx_cfg = &pi->qos_cfg.local_dcbx_cfg; 3509 link_up = hw_link_info->link_info & ICE_AQ_LINK_UP; 3510 3511 /* Changing the port's flow control is not supported if this isn't the 3512 * PF VSI 3513 */ 3514 if (vsi->type != ICE_VSI_PF) { 3515 netdev_info(netdev, "Changing flow control parameters only supported for PF VSI\n"); 3516 return -EOPNOTSUPP; 3517 } 3518 3519 /* Get pause param reports configured and negotiated flow control pause 3520 * when ETHTOOL_GLINKSETTINGS is defined. Since ETHTOOL_GLINKSETTINGS is 3521 * defined get pause param pause->autoneg reports SW configured setting, 3522 * so compare pause->autoneg with SW configured to prevent the user from 3523 * using set pause param to chance autoneg. 3524 */ 3525 pcaps = kzalloc(sizeof(*pcaps), GFP_KERNEL); 3526 if (!pcaps) 3527 return -ENOMEM; 3528 3529 /* Get current PHY config */ 3530 err = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_ACTIVE_CFG, pcaps, 3531 NULL); 3532 if (err) { 3533 kfree(pcaps); 3534 return err; 3535 } 3536 3537 is_an = ice_is_phy_caps_an_enabled(pcaps) ? AUTONEG_ENABLE : 3538 AUTONEG_DISABLE; 3539 3540 kfree(pcaps); 3541 3542 if (pause->autoneg != is_an) { 3543 netdev_info(netdev, "To change autoneg please use: ethtool -s <dev> autoneg <on|off>\n"); 3544 return -EOPNOTSUPP; 3545 } 3546 3547 /* If we have link and don't have autoneg */ 3548 if (!test_bit(ICE_DOWN, pf->state) && 3549 !(hw_link_info->an_info & ICE_AQ_AN_COMPLETED)) { 3550 /* Send message that it might not necessarily work*/ 3551 netdev_info(netdev, "Autoneg did not complete so changing settings may not result in an actual change.\n"); 3552 } 3553 3554 if (dcbx_cfg->pfc.pfcena) { 3555 netdev_info(netdev, "Priority flow control enabled. Cannot set link flow control.\n"); 3556 return -EOPNOTSUPP; 3557 } 3558 if (pause->rx_pause && pause->tx_pause) 3559 pi->fc.req_mode = ICE_FC_FULL; 3560 else if (pause->rx_pause && !pause->tx_pause) 3561 pi->fc.req_mode = ICE_FC_RX_PAUSE; 3562 else if (!pause->rx_pause && pause->tx_pause) 3563 pi->fc.req_mode = ICE_FC_TX_PAUSE; 3564 else if (!pause->rx_pause && !pause->tx_pause) 3565 pi->fc.req_mode = ICE_FC_NONE; 3566 else 3567 return -EINVAL; 3568 3569 /* Set the FC mode and only restart AN if link is up */ 3570 err = ice_set_fc(pi, &aq_failures, link_up); 3571 3572 if (aq_failures & ICE_SET_FC_AQ_FAIL_GET) { 3573 netdev_info(netdev, "Set fc failed on the get_phy_capabilities call with err %d aq_err %s\n", 3574 err, libie_aq_str(hw->adminq.sq_last_status)); 3575 err = -EAGAIN; 3576 } else if (aq_failures & ICE_SET_FC_AQ_FAIL_SET) { 3577 netdev_info(netdev, "Set fc failed on the set_phy_config call with err %d aq_err %s\n", 3578 err, libie_aq_str(hw->adminq.sq_last_status)); 3579 err = -EAGAIN; 3580 } else if (aq_failures & ICE_SET_FC_AQ_FAIL_UPDATE) { 3581 netdev_info(netdev, "Set fc failed on the get_link_info call with err %d aq_err %s\n", 3582 err, libie_aq_str(hw->adminq.sq_last_status)); 3583 err = -EAGAIN; 3584 } 3585 3586 return err; 3587} 3588 3589/** 3590 * ice_get_rxfh_key_size - get the RSS hash key size 3591 * @netdev: network interface device structure 3592 * 3593 * Returns the table size. 3594 */ 3595static u32 ice_get_rxfh_key_size(struct net_device __always_unused *netdev) 3596{ 3597 return ICE_VSIQF_HKEY_ARRAY_SIZE; 3598} 3599 3600/** 3601 * ice_get_rxfh_indir_size - get the Rx flow hash indirection table size 3602 * @netdev: network interface device structure 3603 * 3604 * Returns the table size. 3605 */ 3606static u32 ice_get_rxfh_indir_size(struct net_device *netdev) 3607{ 3608 struct ice_netdev_priv *np = netdev_priv(netdev); 3609 3610 return np->vsi->rss_table_size; 3611} 3612 3613/** 3614 * ice_get_rxfh - get the Rx flow hash indirection table 3615 * @netdev: network interface device structure 3616 * @rxfh: pointer to param struct (indir, key, hfunc) 3617 * 3618 * Reads the indirection table directly from the hardware. 3619 */ 3620static int 3621ice_get_rxfh(struct net_device *netdev, struct ethtool_rxfh_param *rxfh) 3622{ 3623 struct ice_netdev_priv *np = netdev_priv(netdev); 3624 struct ice_vsi *vsi = np->vsi; 3625 struct ice_pf *pf = vsi->back; 3626 u16 qcount, offset; 3627 int err, i; 3628 u8 *lut; 3629 3630 if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) { 3631 netdev_warn(netdev, "RSS is not supported on this VSI!\n"); 3632 return -EOPNOTSUPP; 3633 } 3634 3635 qcount = vsi->mqprio_qopt.qopt.count[0]; 3636 offset = vsi->mqprio_qopt.qopt.offset[0]; 3637 3638 rxfh->hfunc = ETH_RSS_HASH_TOP; 3639 if (vsi->rss_hfunc == ICE_AQ_VSI_Q_OPT_RSS_HASH_SYM_TPLZ) 3640 rxfh->input_xfrm |= RXH_XFRM_SYM_XOR; 3641 3642 if (!rxfh->indir) 3643 return 0; 3644 3645 lut = kzalloc(vsi->rss_table_size, GFP_KERNEL); 3646 if (!lut) 3647 return -ENOMEM; 3648 3649 err = ice_get_rss(vsi, rxfh->key, lut, vsi->rss_table_size); 3650 if (err) 3651 goto out; 3652 3653 if (ice_is_adq_active(pf)) { 3654 for (i = 0; i < vsi->rss_table_size; i++) 3655 rxfh->indir[i] = offset + lut[i] % qcount; 3656 goto out; 3657 } 3658 3659 for (i = 0; i < vsi->rss_table_size; i++) 3660 rxfh->indir[i] = lut[i]; 3661 3662out: 3663 kfree(lut); 3664 return err; 3665} 3666 3667/** 3668 * ice_set_rxfh - set the Rx flow hash indirection table 3669 * @netdev: network interface device structure 3670 * @rxfh: pointer to param struct (indir, key, hfunc) 3671 * @extack: extended ACK from the Netlink message 3672 * 3673 * Returns -EINVAL if the table specifies an invalid queue ID, otherwise 3674 * returns 0 after programming the table. 3675 */ 3676static int 3677ice_set_rxfh(struct net_device *netdev, struct ethtool_rxfh_param *rxfh, 3678 struct netlink_ext_ack *extack) 3679{ 3680 struct ice_netdev_priv *np = netdev_priv(netdev); 3681 u8 hfunc = ICE_AQ_VSI_Q_OPT_RSS_HASH_TPLZ; 3682 struct ice_vsi *vsi = np->vsi; 3683 struct ice_pf *pf = vsi->back; 3684 struct device *dev; 3685 int err; 3686 3687 dev = ice_pf_to_dev(pf); 3688 if (rxfh->hfunc != ETH_RSS_HASH_NO_CHANGE && 3689 rxfh->hfunc != ETH_RSS_HASH_TOP) 3690 return -EOPNOTSUPP; 3691 3692 if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) { 3693 /* RSS not supported return error here */ 3694 netdev_warn(netdev, "RSS is not configured on this VSI!\n"); 3695 return -EIO; 3696 } 3697 3698 if (ice_is_adq_active(pf)) { 3699 netdev_err(netdev, "Cannot change RSS params with ADQ configured.\n"); 3700 return -EOPNOTSUPP; 3701 } 3702 3703 /* Update the VSI's hash function */ 3704 if (rxfh->input_xfrm & RXH_XFRM_SYM_XOR) 3705 hfunc = ICE_AQ_VSI_Q_OPT_RSS_HASH_SYM_TPLZ; 3706 3707 err = ice_set_rss_hfunc(vsi, hfunc); 3708 if (err) 3709 return err; 3710 3711 if (rxfh->key) { 3712 if (!vsi->rss_hkey_user) { 3713 vsi->rss_hkey_user = 3714 devm_kzalloc(dev, ICE_VSIQF_HKEY_ARRAY_SIZE, 3715 GFP_KERNEL); 3716 if (!vsi->rss_hkey_user) 3717 return -ENOMEM; 3718 } 3719 memcpy(vsi->rss_hkey_user, rxfh->key, 3720 ICE_VSIQF_HKEY_ARRAY_SIZE); 3721 3722 err = ice_set_rss_key(vsi, vsi->rss_hkey_user); 3723 if (err) 3724 return err; 3725 } 3726 3727 if (!vsi->rss_lut_user) { 3728 vsi->rss_lut_user = devm_kzalloc(dev, vsi->rss_table_size, 3729 GFP_KERNEL); 3730 if (!vsi->rss_lut_user) 3731 return -ENOMEM; 3732 } 3733 3734 /* Each 32 bits pointed by 'indir' is stored with a lut entry */ 3735 if (rxfh->indir) { 3736 int i; 3737 3738 for (i = 0; i < vsi->rss_table_size; i++) 3739 vsi->rss_lut_user[i] = (u8)(rxfh->indir[i]); 3740 } else { 3741 ice_fill_rss_lut(vsi->rss_lut_user, vsi->rss_table_size, 3742 vsi->rss_size); 3743 } 3744 3745 err = ice_set_rss_lut(vsi, vsi->rss_lut_user, vsi->rss_table_size); 3746 if (err) 3747 return err; 3748 3749 return 0; 3750} 3751 3752static int 3753ice_get_ts_info(struct net_device *dev, struct kernel_ethtool_ts_info *info) 3754{ 3755 struct ice_pf *pf = ice_netdev_to_pf(dev); 3756 3757 /* only report timestamping if PTP is enabled */ 3758 if (pf->ptp.state != ICE_PTP_READY) 3759 return ethtool_op_get_ts_info(dev, info); 3760 3761 info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE | 3762 SOF_TIMESTAMPING_TX_HARDWARE | 3763 SOF_TIMESTAMPING_RX_HARDWARE | 3764 SOF_TIMESTAMPING_RAW_HARDWARE; 3765 3766 info->phc_index = ice_ptp_clock_index(pf); 3767 3768 info->tx_types = BIT(HWTSTAMP_TX_OFF) | BIT(HWTSTAMP_TX_ON); 3769 3770 info->rx_filters = BIT(HWTSTAMP_FILTER_NONE) | BIT(HWTSTAMP_FILTER_ALL); 3771 3772 return 0; 3773} 3774 3775/** 3776 * ice_get_max_txq - return the maximum number of Tx queues for in a PF 3777 * @pf: PF structure 3778 */ 3779static int ice_get_max_txq(struct ice_pf *pf) 3780{ 3781 return min(num_online_cpus(), pf->hw.func_caps.common_cap.num_txq); 3782} 3783 3784/** 3785 * ice_get_max_rxq - return the maximum number of Rx queues for in a PF 3786 * @pf: PF structure 3787 */ 3788static int ice_get_max_rxq(struct ice_pf *pf) 3789{ 3790 return min(num_online_cpus(), pf->hw.func_caps.common_cap.num_rxq); 3791} 3792 3793/** 3794 * ice_get_combined_cnt - return the current number of combined channels 3795 * @vsi: PF VSI pointer 3796 * 3797 * Go through all queue vectors and count ones that have both Rx and Tx ring 3798 * attached 3799 */ 3800static u32 ice_get_combined_cnt(struct ice_vsi *vsi) 3801{ 3802 u32 combined = 0; 3803 int q_idx; 3804 3805 ice_for_each_q_vector(vsi, q_idx) { 3806 struct ice_q_vector *q_vector = vsi->q_vectors[q_idx]; 3807 3808 combined += min(q_vector->num_ring_tx, q_vector->num_ring_rx); 3809 } 3810 3811 return combined; 3812} 3813 3814/** 3815 * ice_get_channels - get the current and max supported channels 3816 * @dev: network interface device structure 3817 * @ch: ethtool channel data structure 3818 */ 3819static void 3820ice_get_channels(struct net_device *dev, struct ethtool_channels *ch) 3821{ 3822 struct ice_netdev_priv *np = netdev_priv(dev); 3823 struct ice_vsi *vsi = np->vsi; 3824 struct ice_pf *pf = vsi->back; 3825 3826 /* report maximum channels */ 3827 ch->max_rx = ice_get_max_rxq(pf); 3828 ch->max_tx = ice_get_max_txq(pf); 3829 ch->max_combined = min_t(int, ch->max_rx, ch->max_tx); 3830 3831 /* report current channels */ 3832 ch->combined_count = ice_get_combined_cnt(vsi); 3833 ch->rx_count = vsi->num_rxq - ch->combined_count; 3834 ch->tx_count = vsi->num_txq - ch->combined_count; 3835 3836 /* report other queues */ 3837 ch->other_count = test_bit(ICE_FLAG_FD_ENA, pf->flags) ? 1 : 0; 3838 ch->max_other = ch->other_count; 3839} 3840 3841/** 3842 * ice_get_valid_rss_size - return valid number of RSS queues 3843 * @hw: pointer to the HW structure 3844 * @new_size: requested RSS queues 3845 */ 3846static int ice_get_valid_rss_size(struct ice_hw *hw, int new_size) 3847{ 3848 struct ice_hw_common_caps *caps = &hw->func_caps.common_cap; 3849 3850 return min_t(int, new_size, BIT(caps->rss_table_entry_width)); 3851} 3852 3853/** 3854 * ice_vsi_set_dflt_rss_lut - set default RSS LUT with requested RSS size 3855 * @vsi: VSI to reconfigure RSS LUT on 3856 * @req_rss_size: requested range of queue numbers for hashing 3857 * 3858 * Set the VSI's RSS parameters, configure the RSS LUT based on these. 3859 */ 3860static int ice_vsi_set_dflt_rss_lut(struct ice_vsi *vsi, int req_rss_size) 3861{ 3862 struct ice_pf *pf = vsi->back; 3863 struct device *dev; 3864 struct ice_hw *hw; 3865 int err; 3866 u8 *lut; 3867 3868 dev = ice_pf_to_dev(pf); 3869 hw = &pf->hw; 3870 3871 if (!req_rss_size) 3872 return -EINVAL; 3873 3874 lut = kzalloc(vsi->rss_table_size, GFP_KERNEL); 3875 if (!lut) 3876 return -ENOMEM; 3877 3878 /* set RSS LUT parameters */ 3879 if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) 3880 vsi->rss_size = 1; 3881 else 3882 vsi->rss_size = ice_get_valid_rss_size(hw, req_rss_size); 3883 3884 /* create/set RSS LUT */ 3885 ice_fill_rss_lut(lut, vsi->rss_table_size, vsi->rss_size); 3886 err = ice_set_rss_lut(vsi, lut, vsi->rss_table_size); 3887 if (err) 3888 dev_err(dev, "Cannot set RSS lut, err %d aq_err %s\n", err, 3889 libie_aq_str(hw->adminq.sq_last_status)); 3890 3891 kfree(lut); 3892 return err; 3893} 3894 3895/** 3896 * ice_set_channels - set the number channels 3897 * @dev: network interface device structure 3898 * @ch: ethtool channel data structure 3899 */ 3900static int ice_set_channels(struct net_device *dev, struct ethtool_channels *ch) 3901{ 3902 struct ice_netdev_priv *np = netdev_priv(dev); 3903 struct ice_vsi *vsi = np->vsi; 3904 struct ice_pf *pf = vsi->back; 3905 int new_rx = 0, new_tx = 0; 3906 bool locked = false; 3907 int ret = 0; 3908 3909 /* do not support changing channels in Safe Mode */ 3910 if (ice_is_safe_mode(pf)) { 3911 netdev_err(dev, "Changing channel in Safe Mode is not supported\n"); 3912 return -EOPNOTSUPP; 3913 } 3914 /* do not support changing other_count */ 3915 if (ch->other_count != (test_bit(ICE_FLAG_FD_ENA, pf->flags) ? 1U : 0U)) 3916 return -EINVAL; 3917 3918 if (ice_is_adq_active(pf)) { 3919 netdev_err(dev, "Cannot set channels with ADQ configured.\n"); 3920 return -EOPNOTSUPP; 3921 } 3922 3923 if (test_bit(ICE_FLAG_FD_ENA, pf->flags) && pf->hw.fdir_active_fltr) { 3924 netdev_err(dev, "Cannot set channels when Flow Director filters are active\n"); 3925 return -EOPNOTSUPP; 3926 } 3927 3928 if (ch->rx_count && ch->tx_count) { 3929 netdev_err(dev, "Dedicated RX or TX channels cannot be used simultaneously\n"); 3930 return -EINVAL; 3931 } 3932 3933 new_rx = ch->combined_count + ch->rx_count; 3934 new_tx = ch->combined_count + ch->tx_count; 3935 3936 if (new_rx < vsi->tc_cfg.numtc) { 3937 netdev_err(dev, "Cannot set less Rx channels, than Traffic Classes you have (%u)\n", 3938 vsi->tc_cfg.numtc); 3939 return -EINVAL; 3940 } 3941 if (new_tx < vsi->tc_cfg.numtc) { 3942 netdev_err(dev, "Cannot set less Tx channels, than Traffic Classes you have (%u)\n", 3943 vsi->tc_cfg.numtc); 3944 return -EINVAL; 3945 } 3946 if (new_rx > ice_get_max_rxq(pf)) { 3947 netdev_err(dev, "Maximum allowed Rx channels is %d\n", 3948 ice_get_max_rxq(pf)); 3949 return -EINVAL; 3950 } 3951 if (new_tx > ice_get_max_txq(pf)) { 3952 netdev_err(dev, "Maximum allowed Tx channels is %d\n", 3953 ice_get_max_txq(pf)); 3954 return -EINVAL; 3955 } 3956 3957 if (pf->cdev_info && pf->cdev_info->adev) { 3958 mutex_lock(&pf->adev_mutex); 3959 device_lock(&pf->cdev_info->adev->dev); 3960 locked = true; 3961 if (pf->cdev_info->adev->dev.driver) { 3962 netdev_err(dev, "Cannot change channels when RDMA is active\n"); 3963 ret = -EBUSY; 3964 goto adev_unlock; 3965 } 3966 } 3967 3968 ice_vsi_recfg_qs(vsi, new_rx, new_tx, locked); 3969 3970 if (!netif_is_rxfh_configured(dev)) { 3971 ret = ice_vsi_set_dflt_rss_lut(vsi, new_rx); 3972 goto adev_unlock; 3973 } 3974 3975 /* Update rss_size due to change in Rx queues */ 3976 vsi->rss_size = ice_get_valid_rss_size(&pf->hw, new_rx); 3977 3978adev_unlock: 3979 if (locked) { 3980 device_unlock(&pf->cdev_info->adev->dev); 3981 mutex_unlock(&pf->adev_mutex); 3982 } 3983 return ret; 3984} 3985 3986/** 3987 * ice_get_wol - get current Wake on LAN configuration 3988 * @netdev: network interface device structure 3989 * @wol: Ethtool structure to retrieve WoL settings 3990 */ 3991static void ice_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) 3992{ 3993 struct ice_netdev_priv *np = netdev_priv(netdev); 3994 struct ice_pf *pf = np->vsi->back; 3995 3996 if (np->vsi->type != ICE_VSI_PF) 3997 netdev_warn(netdev, "Wake on LAN is not supported on this interface!\n"); 3998 3999 /* Get WoL settings based on the HW capability */ 4000 if (ice_is_wol_supported(&pf->hw)) { 4001 wol->supported = WAKE_MAGIC; 4002 wol->wolopts = pf->wol_ena ? WAKE_MAGIC : 0; 4003 } else { 4004 wol->supported = 0; 4005 wol->wolopts = 0; 4006 } 4007} 4008 4009/** 4010 * ice_set_wol - set Wake on LAN on supported device 4011 * @netdev: network interface device structure 4012 * @wol: Ethtool structure to set WoL 4013 */ 4014static int ice_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) 4015{ 4016 struct ice_netdev_priv *np = netdev_priv(netdev); 4017 struct ice_vsi *vsi = np->vsi; 4018 struct ice_pf *pf = vsi->back; 4019 4020 if (vsi->type != ICE_VSI_PF || !ice_is_wol_supported(&pf->hw)) 4021 return -EOPNOTSUPP; 4022 4023 /* only magic packet is supported */ 4024 if (wol->wolopts && wol->wolopts != WAKE_MAGIC) 4025 return -EOPNOTSUPP; 4026 4027 /* Set WoL only if there is a new value */ 4028 if (pf->wol_ena != !!wol->wolopts) { 4029 pf->wol_ena = !!wol->wolopts; 4030 device_set_wakeup_enable(ice_pf_to_dev(pf), pf->wol_ena); 4031 netdev_dbg(netdev, "WoL magic packet %sabled\n", 4032 pf->wol_ena ? "en" : "dis"); 4033 } 4034 4035 return 0; 4036} 4037 4038/** 4039 * ice_get_rc_coalesce - get ITR values for specific ring container 4040 * @ec: ethtool structure to fill with driver's coalesce settings 4041 * @rc: ring container that the ITR values will come from 4042 * 4043 * Query the device for ice_ring_container specific ITR values. This is 4044 * done per ice_ring_container because each q_vector can have 1 or more rings 4045 * and all of said ring(s) will have the same ITR values. 4046 * 4047 * Returns 0 on success, negative otherwise. 4048 */ 4049static int 4050ice_get_rc_coalesce(struct ethtool_coalesce *ec, struct ice_ring_container *rc) 4051{ 4052 if (!rc->rx_ring) 4053 return -EINVAL; 4054 4055 switch (rc->type) { 4056 case ICE_RX_CONTAINER: 4057 ec->use_adaptive_rx_coalesce = ITR_IS_DYNAMIC(rc); 4058 ec->rx_coalesce_usecs = rc->itr_setting; 4059 ec->rx_coalesce_usecs_high = rc->rx_ring->q_vector->intrl; 4060 break; 4061 case ICE_TX_CONTAINER: 4062 ec->use_adaptive_tx_coalesce = ITR_IS_DYNAMIC(rc); 4063 ec->tx_coalesce_usecs = rc->itr_setting; 4064 break; 4065 default: 4066 dev_dbg(ice_pf_to_dev(rc->rx_ring->vsi->back), "Invalid c_type %d\n", rc->type); 4067 return -EINVAL; 4068 } 4069 4070 return 0; 4071} 4072 4073/** 4074 * ice_get_q_coalesce - get a queue's ITR/INTRL (coalesce) settings 4075 * @vsi: VSI associated to the queue for getting ITR/INTRL (coalesce) settings 4076 * @ec: coalesce settings to program the device with 4077 * @q_num: update ITR/INTRL (coalesce) settings for this queue number/index 4078 * 4079 * Return 0 on success, and negative under the following conditions: 4080 * 1. Getting Tx or Rx ITR/INTRL (coalesce) settings failed. 4081 * 2. The q_num passed in is not a valid number/index for Tx and Rx rings. 4082 */ 4083static int 4084ice_get_q_coalesce(struct ice_vsi *vsi, struct ethtool_coalesce *ec, int q_num) 4085{ 4086 if (q_num < vsi->num_rxq && q_num < vsi->num_txq) { 4087 if (ice_get_rc_coalesce(ec, 4088 &vsi->rx_rings[q_num]->q_vector->rx)) 4089 return -EINVAL; 4090 if (ice_get_rc_coalesce(ec, 4091 &vsi->tx_rings[q_num]->q_vector->tx)) 4092 return -EINVAL; 4093 } else if (q_num < vsi->num_rxq) { 4094 if (ice_get_rc_coalesce(ec, 4095 &vsi->rx_rings[q_num]->q_vector->rx)) 4096 return -EINVAL; 4097 } else if (q_num < vsi->num_txq) { 4098 if (ice_get_rc_coalesce(ec, 4099 &vsi->tx_rings[q_num]->q_vector->tx)) 4100 return -EINVAL; 4101 } else { 4102 return -EINVAL; 4103 } 4104 4105 return 0; 4106} 4107 4108/** 4109 * __ice_get_coalesce - get ITR/INTRL values for the device 4110 * @netdev: pointer to the netdev associated with this query 4111 * @ec: ethtool structure to fill with driver's coalesce settings 4112 * @q_num: queue number to get the coalesce settings for 4113 * 4114 * If the caller passes in a negative q_num then we return coalesce settings 4115 * based on queue number 0, else use the actual q_num passed in. 4116 */ 4117static int 4118__ice_get_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec, 4119 int q_num) 4120{ 4121 struct ice_netdev_priv *np = netdev_priv(netdev); 4122 struct ice_vsi *vsi = np->vsi; 4123 4124 if (q_num < 0) 4125 q_num = 0; 4126 4127 if (ice_get_q_coalesce(vsi, ec, q_num)) 4128 return -EINVAL; 4129 4130 return 0; 4131} 4132 4133static int ice_get_coalesce(struct net_device *netdev, 4134 struct ethtool_coalesce *ec, 4135 struct kernel_ethtool_coalesce *kernel_coal, 4136 struct netlink_ext_ack *extack) 4137{ 4138 return __ice_get_coalesce(netdev, ec, -1); 4139} 4140 4141static int 4142ice_get_per_q_coalesce(struct net_device *netdev, u32 q_num, 4143 struct ethtool_coalesce *ec) 4144{ 4145 return __ice_get_coalesce(netdev, ec, q_num); 4146} 4147 4148/** 4149 * ice_set_rc_coalesce - set ITR values for specific ring container 4150 * @ec: ethtool structure from user to update ITR settings 4151 * @rc: ring container that the ITR values will come from 4152 * @vsi: VSI associated to the ring container 4153 * 4154 * Set specific ITR values. This is done per ice_ring_container because each 4155 * q_vector can have 1 or more rings and all of said ring(s) will have the same 4156 * ITR values. 4157 * 4158 * Returns 0 on success, negative otherwise. 4159 */ 4160static int 4161ice_set_rc_coalesce(struct ethtool_coalesce *ec, 4162 struct ice_ring_container *rc, struct ice_vsi *vsi) 4163{ 4164 const char *c_type_str = (rc->type == ICE_RX_CONTAINER) ? "rx" : "tx"; 4165 u32 use_adaptive_coalesce, coalesce_usecs; 4166 struct ice_pf *pf = vsi->back; 4167 u16 itr_setting; 4168 4169 if (!rc->rx_ring) 4170 return -EINVAL; 4171 4172 switch (rc->type) { 4173 case ICE_RX_CONTAINER: 4174 { 4175 struct ice_q_vector *q_vector = rc->rx_ring->q_vector; 4176 4177 if (ec->rx_coalesce_usecs_high > ICE_MAX_INTRL || 4178 (ec->rx_coalesce_usecs_high && 4179 ec->rx_coalesce_usecs_high < pf->hw.intrl_gran)) { 4180 netdev_info(vsi->netdev, "Invalid value, %s-usecs-high valid values are 0 (disabled), %d-%d\n", 4181 c_type_str, pf->hw.intrl_gran, 4182 ICE_MAX_INTRL); 4183 return -EINVAL; 4184 } 4185 if (ec->rx_coalesce_usecs_high != q_vector->intrl && 4186 (ec->use_adaptive_rx_coalesce || ec->use_adaptive_tx_coalesce)) { 4187 netdev_info(vsi->netdev, "Invalid value, %s-usecs-high cannot be changed if adaptive-tx or adaptive-rx is enabled\n", 4188 c_type_str); 4189 return -EINVAL; 4190 } 4191 if (ec->rx_coalesce_usecs_high != q_vector->intrl) 4192 q_vector->intrl = ec->rx_coalesce_usecs_high; 4193 4194 use_adaptive_coalesce = ec->use_adaptive_rx_coalesce; 4195 coalesce_usecs = ec->rx_coalesce_usecs; 4196 4197 break; 4198 } 4199 case ICE_TX_CONTAINER: 4200 use_adaptive_coalesce = ec->use_adaptive_tx_coalesce; 4201 coalesce_usecs = ec->tx_coalesce_usecs; 4202 4203 break; 4204 default: 4205 dev_dbg(ice_pf_to_dev(pf), "Invalid container type %d\n", 4206 rc->type); 4207 return -EINVAL; 4208 } 4209 4210 itr_setting = rc->itr_setting; 4211 if (coalesce_usecs != itr_setting && use_adaptive_coalesce) { 4212 netdev_info(vsi->netdev, "%s interrupt throttling cannot be changed if adaptive-%s is enabled\n", 4213 c_type_str, c_type_str); 4214 return -EINVAL; 4215 } 4216 4217 if (coalesce_usecs > ICE_ITR_MAX) { 4218 netdev_info(vsi->netdev, "Invalid value, %s-usecs range is 0-%d\n", 4219 c_type_str, ICE_ITR_MAX); 4220 return -EINVAL; 4221 } 4222 4223 if (use_adaptive_coalesce) { 4224 rc->itr_mode = ITR_DYNAMIC; 4225 } else { 4226 rc->itr_mode = ITR_STATIC; 4227 /* store user facing value how it was set */ 4228 rc->itr_setting = coalesce_usecs; 4229 /* write the change to the register */ 4230 ice_write_itr(rc, coalesce_usecs); 4231 /* force writes to take effect immediately, the flush shouldn't 4232 * be done in the functions above because the intent is for 4233 * them to do lazy writes. 4234 */ 4235 ice_flush(&pf->hw); 4236 } 4237 4238 return 0; 4239} 4240 4241/** 4242 * ice_set_q_coalesce - set a queue's ITR/INTRL (coalesce) settings 4243 * @vsi: VSI associated to the queue that need updating 4244 * @ec: coalesce settings to program the device with 4245 * @q_num: update ITR/INTRL (coalesce) settings for this queue number/index 4246 * 4247 * Return 0 on success, and negative under the following conditions: 4248 * 1. Setting Tx or Rx ITR/INTRL (coalesce) settings failed. 4249 * 2. The q_num passed in is not a valid number/index for Tx and Rx rings. 4250 */ 4251static int 4252ice_set_q_coalesce(struct ice_vsi *vsi, struct ethtool_coalesce *ec, int q_num) 4253{ 4254 if (q_num < vsi->num_rxq && q_num < vsi->num_txq) { 4255 if (ice_set_rc_coalesce(ec, 4256 &vsi->rx_rings[q_num]->q_vector->rx, 4257 vsi)) 4258 return -EINVAL; 4259 4260 if (ice_set_rc_coalesce(ec, 4261 &vsi->tx_rings[q_num]->q_vector->tx, 4262 vsi)) 4263 return -EINVAL; 4264 } else if (q_num < vsi->num_rxq) { 4265 if (ice_set_rc_coalesce(ec, 4266 &vsi->rx_rings[q_num]->q_vector->rx, 4267 vsi)) 4268 return -EINVAL; 4269 } else if (q_num < vsi->num_txq) { 4270 if (ice_set_rc_coalesce(ec, 4271 &vsi->tx_rings[q_num]->q_vector->tx, 4272 vsi)) 4273 return -EINVAL; 4274 } else { 4275 return -EINVAL; 4276 } 4277 4278 return 0; 4279} 4280 4281/** 4282 * ice_print_if_odd_usecs - print message if user tries to set odd [tx|rx]-usecs 4283 * @netdev: netdev used for print 4284 * @itr_setting: previous user setting 4285 * @use_adaptive_coalesce: if adaptive coalesce is enabled or being enabled 4286 * @coalesce_usecs: requested value of [tx|rx]-usecs 4287 * @c_type_str: either "rx" or "tx" to match user set field of [tx|rx]-usecs 4288 */ 4289static void 4290ice_print_if_odd_usecs(struct net_device *netdev, u16 itr_setting, 4291 u32 use_adaptive_coalesce, u32 coalesce_usecs, 4292 const char *c_type_str) 4293{ 4294 if (use_adaptive_coalesce) 4295 return; 4296 4297 if (itr_setting != coalesce_usecs && (coalesce_usecs % 2)) 4298 netdev_info(netdev, "User set %s-usecs to %d, device only supports even values. Rounding down and attempting to set %s-usecs to %d\n", 4299 c_type_str, coalesce_usecs, c_type_str, 4300 ITR_REG_ALIGN(coalesce_usecs)); 4301} 4302 4303/** 4304 * __ice_set_coalesce - set ITR/INTRL values for the device 4305 * @netdev: pointer to the netdev associated with this query 4306 * @ec: ethtool structure to fill with driver's coalesce settings 4307 * @q_num: queue number to get the coalesce settings for 4308 * 4309 * If the caller passes in a negative q_num then we set the coalesce settings 4310 * for all Tx/Rx queues, else use the actual q_num passed in. 4311 */ 4312static int 4313__ice_set_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec, 4314 int q_num) 4315{ 4316 struct ice_netdev_priv *np = netdev_priv(netdev); 4317 struct ice_vsi *vsi = np->vsi; 4318 4319 if (q_num < 0) { 4320 struct ice_q_vector *q_vector = vsi->q_vectors[0]; 4321 int v_idx; 4322 4323 if (q_vector) { 4324 ice_print_if_odd_usecs(netdev, q_vector->rx.itr_setting, 4325 ec->use_adaptive_rx_coalesce, 4326 ec->rx_coalesce_usecs, "rx"); 4327 4328 ice_print_if_odd_usecs(netdev, q_vector->tx.itr_setting, 4329 ec->use_adaptive_tx_coalesce, 4330 ec->tx_coalesce_usecs, "tx"); 4331 } 4332 4333 ice_for_each_q_vector(vsi, v_idx) { 4334 /* In some cases if DCB is configured the num_[rx|tx]q 4335 * can be less than vsi->num_q_vectors. This check 4336 * accounts for that so we don't report a false failure 4337 */ 4338 if (v_idx >= vsi->num_rxq && v_idx >= vsi->num_txq) 4339 goto set_complete; 4340 4341 if (ice_set_q_coalesce(vsi, ec, v_idx)) 4342 return -EINVAL; 4343 4344 ice_set_q_vector_intrl(vsi->q_vectors[v_idx]); 4345 } 4346 goto set_complete; 4347 } 4348 4349 if (ice_set_q_coalesce(vsi, ec, q_num)) 4350 return -EINVAL; 4351 4352 ice_set_q_vector_intrl(vsi->q_vectors[q_num]); 4353 4354set_complete: 4355 return 0; 4356} 4357 4358static int ice_set_coalesce(struct net_device *netdev, 4359 struct ethtool_coalesce *ec, 4360 struct kernel_ethtool_coalesce *kernel_coal, 4361 struct netlink_ext_ack *extack) 4362{ 4363 return __ice_set_coalesce(netdev, ec, -1); 4364} 4365 4366static int 4367ice_set_per_q_coalesce(struct net_device *netdev, u32 q_num, 4368 struct ethtool_coalesce *ec) 4369{ 4370 return __ice_set_coalesce(netdev, ec, q_num); 4371} 4372 4373static void 4374ice_repr_get_drvinfo(struct net_device *netdev, 4375 struct ethtool_drvinfo *drvinfo) 4376{ 4377 struct ice_repr *repr = ice_netdev_to_repr(netdev); 4378 4379 if (repr->ops.ready(repr)) 4380 return; 4381 4382 __ice_get_drvinfo(netdev, drvinfo, repr->src_vsi); 4383} 4384 4385static void 4386ice_repr_get_strings(struct net_device *netdev, u32 stringset, u8 *data) 4387{ 4388 struct ice_repr *repr = ice_netdev_to_repr(netdev); 4389 4390 /* for port representors only ETH_SS_STATS is supported */ 4391 if (repr->ops.ready(repr) || stringset != ETH_SS_STATS) 4392 return; 4393 4394 __ice_get_strings(netdev, stringset, data, repr->src_vsi); 4395} 4396 4397static void 4398ice_repr_get_ethtool_stats(struct net_device *netdev, 4399 struct ethtool_stats __always_unused *stats, 4400 u64 *data) 4401{ 4402 struct ice_repr *repr = ice_netdev_to_repr(netdev); 4403 4404 if (repr->ops.ready(repr)) 4405 return; 4406 4407 __ice_get_ethtool_stats(netdev, stats, data, repr->src_vsi); 4408} 4409 4410static int ice_repr_get_sset_count(struct net_device *netdev, int sset) 4411{ 4412 switch (sset) { 4413 case ETH_SS_STATS: 4414 return ICE_VSI_STATS_LEN; 4415 default: 4416 return -EOPNOTSUPP; 4417 } 4418} 4419 4420#define ICE_I2C_EEPROM_DEV_ADDR 0xA0 4421#define ICE_I2C_EEPROM_DEV_ADDR2 0xA2 4422#define ICE_MODULE_TYPE_SFP 0x03 4423#define ICE_MODULE_TYPE_QSFP_PLUS 0x0D 4424#define ICE_MODULE_TYPE_QSFP28 0x11 4425#define ICE_MODULE_SFF_ADDR_MODE 0x04 4426#define ICE_MODULE_SFF_DIAG_CAPAB 0x40 4427#define ICE_MODULE_REVISION_ADDR 0x01 4428#define ICE_MODULE_SFF_8472_COMP 0x5E 4429#define ICE_MODULE_SFF_8472_SWAP 0x5C 4430#define ICE_MODULE_QSFP_MAX_LEN 640 4431 4432/** 4433 * ice_get_module_info - get SFF module type and revision information 4434 * @netdev: network interface device structure 4435 * @modinfo: module EEPROM size and layout information structure 4436 */ 4437static int 4438ice_get_module_info(struct net_device *netdev, 4439 struct ethtool_modinfo *modinfo) 4440{ 4441 struct ice_pf *pf = ice_netdev_to_pf(netdev); 4442 struct ice_hw *hw = &pf->hw; 4443 u8 sff8472_comp = 0; 4444 u8 sff8472_swap = 0; 4445 u8 sff8636_rev = 0; 4446 u8 value = 0; 4447 int status; 4448 4449 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR, 0x00, 0x00, 4450 0, &value, 1, 0, NULL); 4451 if (status) 4452 return status; 4453 4454 switch (value) { 4455 case ICE_MODULE_TYPE_SFP: 4456 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR, 4457 ICE_MODULE_SFF_8472_COMP, 0x00, 0, 4458 &sff8472_comp, 1, 0, NULL); 4459 if (status) 4460 return status; 4461 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR, 4462 ICE_MODULE_SFF_8472_SWAP, 0x00, 0, 4463 &sff8472_swap, 1, 0, NULL); 4464 if (status) 4465 return status; 4466 4467 if (sff8472_swap & ICE_MODULE_SFF_ADDR_MODE) { 4468 modinfo->type = ETH_MODULE_SFF_8079; 4469 modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN; 4470 } else if (sff8472_comp && 4471 (sff8472_swap & ICE_MODULE_SFF_DIAG_CAPAB)) { 4472 modinfo->type = ETH_MODULE_SFF_8472; 4473 modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN; 4474 } else { 4475 modinfo->type = ETH_MODULE_SFF_8079; 4476 modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN; 4477 } 4478 break; 4479 case ICE_MODULE_TYPE_QSFP_PLUS: 4480 case ICE_MODULE_TYPE_QSFP28: 4481 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR, 4482 ICE_MODULE_REVISION_ADDR, 0x00, 0, 4483 &sff8636_rev, 1, 0, NULL); 4484 if (status) 4485 return status; 4486 /* Check revision compliance */ 4487 if (sff8636_rev > 0x02) { 4488 /* Module is SFF-8636 compliant */ 4489 modinfo->type = ETH_MODULE_SFF_8636; 4490 modinfo->eeprom_len = ICE_MODULE_QSFP_MAX_LEN; 4491 } else { 4492 modinfo->type = ETH_MODULE_SFF_8436; 4493 modinfo->eeprom_len = ICE_MODULE_QSFP_MAX_LEN; 4494 } 4495 break; 4496 default: 4497 netdev_warn(netdev, "SFF Module Type not recognized.\n"); 4498 return -EINVAL; 4499 } 4500 return 0; 4501} 4502 4503/** 4504 * ice_get_module_eeprom - fill buffer with SFF EEPROM contents 4505 * @netdev: network interface device structure 4506 * @ee: EEPROM dump request structure 4507 * @data: buffer to be filled with EEPROM contents 4508 */ 4509static int 4510ice_get_module_eeprom(struct net_device *netdev, 4511 struct ethtool_eeprom *ee, u8 *data) 4512{ 4513 struct ice_pf *pf = ice_netdev_to_pf(netdev); 4514#define SFF_READ_BLOCK_SIZE 8 4515 u8 value[SFF_READ_BLOCK_SIZE] = { 0 }; 4516 u8 addr = ICE_I2C_EEPROM_DEV_ADDR; 4517 struct ice_hw *hw = &pf->hw; 4518 bool is_sfp = false; 4519 unsigned int i; 4520 u16 offset = 0; 4521 u8 page = 0; 4522 int status; 4523 4524 if (!ee || !ee->len || !data) 4525 return -EINVAL; 4526 4527 status = ice_aq_sff_eeprom(hw, 0, addr, offset, page, 0, value, 1, 0, 4528 NULL); 4529 if (status) 4530 return status; 4531 4532 if (value[0] == ICE_MODULE_TYPE_SFP) 4533 is_sfp = true; 4534 4535 memset(data, 0, ee->len); 4536 for (i = 0; i < ee->len; i += SFF_READ_BLOCK_SIZE) { 4537 offset = i + ee->offset; 4538 page = 0; 4539 4540 /* Check if we need to access the other memory page */ 4541 if (is_sfp) { 4542 if (offset >= ETH_MODULE_SFF_8079_LEN) { 4543 offset -= ETH_MODULE_SFF_8079_LEN; 4544 addr = ICE_I2C_EEPROM_DEV_ADDR2; 4545 } 4546 } else { 4547 while (offset >= ETH_MODULE_SFF_8436_LEN) { 4548 /* Compute memory page number and offset. */ 4549 offset -= ETH_MODULE_SFF_8436_LEN / 2; 4550 page++; 4551 } 4552 } 4553 4554 /* Bit 2 of EEPROM address 0x02 declares upper 4555 * pages are disabled on QSFP modules. 4556 * SFP modules only ever use page 0. 4557 */ 4558 if (page == 0 || !(data[0x2] & 0x4)) { 4559 u32 copy_len; 4560 4561 status = ice_aq_sff_eeprom(hw, 0, addr, offset, page, 4562 !is_sfp, value, 4563 SFF_READ_BLOCK_SIZE, 4564 0, NULL); 4565 netdev_dbg(netdev, "SFF %02X %02X %02X %X = %02X%02X%02X%02X.%02X%02X%02X%02X (%pe)\n", 4566 addr, offset, page, is_sfp, 4567 value[0], value[1], value[2], value[3], 4568 value[4], value[5], value[6], value[7], 4569 ERR_PTR(status)); 4570 if (status) { 4571 netdev_err(netdev, "%s: error reading module EEPROM: status %pe\n", 4572 __func__, ERR_PTR(status)); 4573 return status; 4574 } 4575 4576 /* Make sure we have enough room for the new block */ 4577 copy_len = min_t(u32, SFF_READ_BLOCK_SIZE, ee->len - i); 4578 memcpy(data + i, value, copy_len); 4579 } 4580 } 4581 return 0; 4582} 4583 4584/** 4585 * ice_get_port_fec_stats - returns FEC correctable, uncorrectable stats per 4586 * pcsquad, pcsport 4587 * @hw: pointer to the HW struct 4588 * @pcs_quad: pcsquad for input port 4589 * @pcs_port: pcsport for input port 4590 * @fec_stats: buffer to hold FEC statistics for given port 4591 * 4592 * Return: 0 on success, negative on failure. 4593 */ 4594static int ice_get_port_fec_stats(struct ice_hw *hw, u16 pcs_quad, u16 pcs_port, 4595 struct ethtool_fec_stats *fec_stats) 4596{ 4597 u32 fec_uncorr_low_val = 0, fec_uncorr_high_val = 0; 4598 u32 fec_corr_low_val = 0, fec_corr_high_val = 0; 4599 int err; 4600 4601 if (pcs_quad > 1 || pcs_port > 3) 4602 return -EINVAL; 4603 4604 err = ice_aq_get_fec_stats(hw, pcs_quad, pcs_port, ICE_FEC_CORR_LOW, 4605 &fec_corr_low_val); 4606 if (err) 4607 return err; 4608 4609 err = ice_aq_get_fec_stats(hw, pcs_quad, pcs_port, ICE_FEC_CORR_HIGH, 4610 &fec_corr_high_val); 4611 if (err) 4612 return err; 4613 4614 err = ice_aq_get_fec_stats(hw, pcs_quad, pcs_port, 4615 ICE_FEC_UNCORR_LOW, 4616 &fec_uncorr_low_val); 4617 if (err) 4618 return err; 4619 4620 err = ice_aq_get_fec_stats(hw, pcs_quad, pcs_port, 4621 ICE_FEC_UNCORR_HIGH, 4622 &fec_uncorr_high_val); 4623 if (err) 4624 return err; 4625 4626 fec_stats->corrected_blocks.total = (fec_corr_high_val << 16) + 4627 fec_corr_low_val; 4628 fec_stats->uncorrectable_blocks.total = (fec_uncorr_high_val << 16) + 4629 fec_uncorr_low_val; 4630 return 0; 4631} 4632 4633/** 4634 * ice_get_fec_stats - returns FEC correctable, uncorrectable stats per netdev 4635 * @netdev: network interface device structure 4636 * @fec_stats: buffer to hold FEC statistics for given port 4637 * @hist: buffer to put FEC histogram statistics for given port 4638 * 4639 */ 4640static void ice_get_fec_stats(struct net_device *netdev, 4641 struct ethtool_fec_stats *fec_stats, 4642 struct ethtool_fec_hist *hist) 4643{ 4644 struct ice_netdev_priv *np = netdev_priv(netdev); 4645 struct ice_port_topology port_topology; 4646 struct ice_port_info *pi; 4647 struct ice_pf *pf; 4648 struct ice_hw *hw; 4649 int err; 4650 4651 pf = np->vsi->back; 4652 hw = &pf->hw; 4653 pi = np->vsi->port_info; 4654 4655 /* Serdes parameters are not supported if not the PF VSI */ 4656 if (np->vsi->type != ICE_VSI_PF || !pi) 4657 return; 4658 4659 err = ice_get_port_topology(hw, pi->lport, &port_topology); 4660 if (err) { 4661 netdev_info(netdev, "Extended register dump failed Lport %d\n", 4662 pi->lport); 4663 return; 4664 } 4665 4666 /* Get FEC correctable, uncorrectable counter */ 4667 err = ice_get_port_fec_stats(hw, port_topology.pcs_quad_select, 4668 port_topology.pcs_port, fec_stats); 4669 if (err) 4670 netdev_info(netdev, "FEC stats get failed Lport %d Err %d\n", 4671 pi->lport, err); 4672} 4673 4674static void ice_get_eth_mac_stats(struct net_device *netdev, 4675 struct ethtool_eth_mac_stats *mac_stats) 4676{ 4677 struct ice_pf *pf = ice_netdev_to_pf(netdev); 4678 struct ice_hw_port_stats *ps = &pf->stats; 4679 4680 mac_stats->FramesTransmittedOK = ps->eth.tx_unicast + 4681 ps->eth.tx_multicast + 4682 ps->eth.tx_broadcast; 4683 mac_stats->FramesReceivedOK = ps->eth.rx_unicast + 4684 ps->eth.rx_multicast + 4685 ps->eth.rx_broadcast; 4686 mac_stats->FrameCheckSequenceErrors = ps->crc_errors; 4687 mac_stats->OctetsTransmittedOK = ps->eth.tx_bytes; 4688 mac_stats->OctetsReceivedOK = ps->eth.rx_bytes; 4689 mac_stats->MulticastFramesXmittedOK = ps->eth.tx_multicast; 4690 mac_stats->BroadcastFramesXmittedOK = ps->eth.tx_broadcast; 4691 mac_stats->MulticastFramesReceivedOK = ps->eth.rx_multicast; 4692 mac_stats->BroadcastFramesReceivedOK = ps->eth.rx_broadcast; 4693 mac_stats->InRangeLengthErrors = ps->rx_len_errors; 4694 mac_stats->FrameTooLongErrors = ps->rx_oversize; 4695} 4696 4697static void ice_get_pause_stats(struct net_device *netdev, 4698 struct ethtool_pause_stats *pause_stats) 4699{ 4700 struct ice_pf *pf = ice_netdev_to_pf(netdev); 4701 struct ice_hw_port_stats *ps = &pf->stats; 4702 4703 pause_stats->tx_pause_frames = ps->link_xon_tx + ps->link_xoff_tx; 4704 pause_stats->rx_pause_frames = ps->link_xon_rx + ps->link_xoff_rx; 4705} 4706 4707static const struct ethtool_rmon_hist_range ice_rmon_ranges[] = { 4708 { 0, 64 }, 4709 { 65, 127 }, 4710 { 128, 255 }, 4711 { 256, 511 }, 4712 { 512, 1023 }, 4713 { 1024, 1522 }, 4714 { 1523, 9522 }, 4715 {} 4716}; 4717 4718static void ice_get_rmon_stats(struct net_device *netdev, 4719 struct ethtool_rmon_stats *rmon, 4720 const struct ethtool_rmon_hist_range **ranges) 4721{ 4722 struct ice_pf *pf = ice_netdev_to_pf(netdev); 4723 struct ice_hw_port_stats *ps = &pf->stats; 4724 4725 rmon->undersize_pkts = ps->rx_undersize; 4726 rmon->oversize_pkts = ps->rx_oversize; 4727 rmon->fragments = ps->rx_fragments; 4728 rmon->jabbers = ps->rx_jabber; 4729 4730 rmon->hist[0] = ps->rx_size_64; 4731 rmon->hist[1] = ps->rx_size_127; 4732 rmon->hist[2] = ps->rx_size_255; 4733 rmon->hist[3] = ps->rx_size_511; 4734 rmon->hist[4] = ps->rx_size_1023; 4735 rmon->hist[5] = ps->rx_size_1522; 4736 rmon->hist[6] = ps->rx_size_big; 4737 4738 rmon->hist_tx[0] = ps->tx_size_64; 4739 rmon->hist_tx[1] = ps->tx_size_127; 4740 rmon->hist_tx[2] = ps->tx_size_255; 4741 rmon->hist_tx[3] = ps->tx_size_511; 4742 rmon->hist_tx[4] = ps->tx_size_1023; 4743 rmon->hist_tx[5] = ps->tx_size_1522; 4744 rmon->hist_tx[6] = ps->tx_size_big; 4745 4746 *ranges = ice_rmon_ranges; 4747} 4748 4749/* ice_get_ts_stats - provide timestamping stats 4750 * @netdev: the netdevice pointer from ethtool 4751 * @ts_stats: the ethtool data structure to fill in 4752 */ 4753static void ice_get_ts_stats(struct net_device *netdev, 4754 struct ethtool_ts_stats *ts_stats) 4755{ 4756 struct ice_pf *pf = ice_netdev_to_pf(netdev); 4757 struct ice_ptp *ptp = &pf->ptp; 4758 4759 ts_stats->pkts = ptp->tx_hwtstamp_good; 4760 ts_stats->err = ptp->tx_hwtstamp_skipped + 4761 ptp->tx_hwtstamp_flushed + 4762 ptp->tx_hwtstamp_discarded; 4763 ts_stats->lost = ptp->tx_hwtstamp_timeouts; 4764} 4765 4766#define ICE_ETHTOOL_PFR (ETH_RESET_IRQ | ETH_RESET_DMA | \ 4767 ETH_RESET_FILTER | ETH_RESET_OFFLOAD) 4768 4769#define ICE_ETHTOOL_CORER ((ICE_ETHTOOL_PFR | ETH_RESET_RAM) << \ 4770 ETH_RESET_SHARED_SHIFT) 4771 4772#define ICE_ETHTOOL_GLOBR (ICE_ETHTOOL_CORER | \ 4773 (ETH_RESET_MAC << ETH_RESET_SHARED_SHIFT) | \ 4774 (ETH_RESET_PHY << ETH_RESET_SHARED_SHIFT)) 4775 4776#define ICE_ETHTOOL_VFR ICE_ETHTOOL_PFR 4777 4778/** 4779 * ice_ethtool_reset - triggers a given type of reset 4780 * @dev: network interface device structure 4781 * @flags: set of reset flags 4782 * 4783 * Return: 0 on success, -EOPNOTSUPP when using unsupported set of flags. 4784 */ 4785static int ice_ethtool_reset(struct net_device *dev, u32 *flags) 4786{ 4787 struct ice_pf *pf = ice_netdev_to_pf(dev); 4788 enum ice_reset_req reset; 4789 4790 switch (*flags) { 4791 case ICE_ETHTOOL_CORER: 4792 reset = ICE_RESET_CORER; 4793 break; 4794 case ICE_ETHTOOL_GLOBR: 4795 reset = ICE_RESET_GLOBR; 4796 break; 4797 case ICE_ETHTOOL_PFR: 4798 reset = ICE_RESET_PFR; 4799 break; 4800 default: 4801 netdev_info(dev, "Unsupported set of ethtool flags"); 4802 return -EOPNOTSUPP; 4803 } 4804 4805 ice_schedule_reset(pf, reset); 4806 4807 *flags = 0; 4808 4809 return 0; 4810} 4811 4812/** 4813 * ice_repr_ethtool_reset - triggers a VF reset 4814 * @dev: network interface device structure 4815 * @flags: set of reset flags 4816 * 4817 * Return: 0 on success, 4818 * -EOPNOTSUPP when using unsupported set of flags 4819 * -EBUSY when VF is not ready for reset. 4820 */ 4821static int ice_repr_ethtool_reset(struct net_device *dev, u32 *flags) 4822{ 4823 struct ice_repr *repr = ice_netdev_to_repr(dev); 4824 struct ice_vf *vf; 4825 4826 if (repr->type != ICE_REPR_TYPE_VF || 4827 *flags != ICE_ETHTOOL_VFR) 4828 return -EOPNOTSUPP; 4829 4830 vf = repr->vf; 4831 4832 if (ice_check_vf_ready_for_cfg(vf)) 4833 return -EBUSY; 4834 4835 *flags = 0; 4836 4837 return ice_reset_vf(vf, ICE_VF_RESET_VFLR | ICE_VF_RESET_LOCK); 4838} 4839 4840static const struct ethtool_ops ice_ethtool_ops = { 4841 .supported_coalesce_params = ETHTOOL_COALESCE_USECS | 4842 ETHTOOL_COALESCE_USE_ADAPTIVE | 4843 ETHTOOL_COALESCE_RX_USECS_HIGH, 4844 .supported_input_xfrm = RXH_XFRM_SYM_XOR, 4845 .supported_ring_params = ETHTOOL_RING_USE_TCP_DATA_SPLIT, 4846 .get_link_ksettings = ice_get_link_ksettings, 4847 .set_link_ksettings = ice_set_link_ksettings, 4848 .get_fec_stats = ice_get_fec_stats, 4849 .get_eth_mac_stats = ice_get_eth_mac_stats, 4850 .get_pause_stats = ice_get_pause_stats, 4851 .get_rmon_stats = ice_get_rmon_stats, 4852 .get_ts_stats = ice_get_ts_stats, 4853 .get_drvinfo = ice_get_drvinfo, 4854 .get_regs_len = ice_get_regs_len, 4855 .get_regs = ice_get_regs, 4856 .get_wol = ice_get_wol, 4857 .set_wol = ice_set_wol, 4858 .get_msglevel = ice_get_msglevel, 4859 .set_msglevel = ice_set_msglevel, 4860 .self_test = ice_self_test, 4861 .get_link = ethtool_op_get_link, 4862 .get_link_ext_stats = ice_get_link_ext_stats, 4863 .get_eeprom_len = ice_get_eeprom_len, 4864 .get_eeprom = ice_get_eeprom, 4865 .get_coalesce = ice_get_coalesce, 4866 .set_coalesce = ice_set_coalesce, 4867 .get_strings = ice_get_strings, 4868 .set_phys_id = ice_set_phys_id, 4869 .get_ethtool_stats = ice_get_ethtool_stats, 4870 .get_priv_flags = ice_get_priv_flags, 4871 .set_priv_flags = ice_set_priv_flags, 4872 .get_sset_count = ice_get_sset_count, 4873 .get_rxnfc = ice_get_rxnfc, 4874 .set_rxnfc = ice_set_rxnfc, 4875 .get_rx_ring_count = ice_get_rx_ring_count, 4876 .get_ringparam = ice_get_ringparam, 4877 .set_ringparam = ice_set_ringparam, 4878 .nway_reset = ice_nway_reset, 4879 .get_pauseparam = ice_get_pauseparam, 4880 .set_pauseparam = ice_set_pauseparam, 4881 .reset = ice_ethtool_reset, 4882 .get_rxfh_key_size = ice_get_rxfh_key_size, 4883 .get_rxfh_indir_size = ice_get_rxfh_indir_size, 4884 .get_rxfh = ice_get_rxfh, 4885 .set_rxfh = ice_set_rxfh, 4886 .get_rxfh_fields = ice_get_rxfh_fields, 4887 .set_rxfh_fields = ice_set_rxfh_fields, 4888 .get_channels = ice_get_channels, 4889 .set_channels = ice_set_channels, 4890 .get_ts_info = ice_get_ts_info, 4891 .get_per_queue_coalesce = ice_get_per_q_coalesce, 4892 .set_per_queue_coalesce = ice_set_per_q_coalesce, 4893 .get_fecparam = ice_get_fecparam, 4894 .set_fecparam = ice_set_fecparam, 4895 .get_module_info = ice_get_module_info, 4896 .get_module_eeprom = ice_get_module_eeprom, 4897}; 4898 4899static const struct ethtool_ops ice_ethtool_safe_mode_ops = { 4900 .get_link_ksettings = ice_get_link_ksettings, 4901 .set_link_ksettings = ice_set_link_ksettings, 4902 .get_drvinfo = ice_get_drvinfo, 4903 .get_regs_len = ice_get_regs_len, 4904 .get_regs = ice_get_regs, 4905 .get_wol = ice_get_wol, 4906 .set_wol = ice_set_wol, 4907 .get_msglevel = ice_get_msglevel, 4908 .set_msglevel = ice_set_msglevel, 4909 .get_link = ethtool_op_get_link, 4910 .get_eeprom_len = ice_get_eeprom_len, 4911 .get_eeprom = ice_get_eeprom, 4912 .get_strings = ice_get_strings, 4913 .get_ethtool_stats = ice_get_ethtool_stats, 4914 .get_sset_count = ice_get_sset_count, 4915 .get_ringparam = ice_get_ringparam, 4916 .set_ringparam = ice_set_ringparam, 4917 .nway_reset = ice_nway_reset, 4918 .get_channels = ice_get_channels, 4919}; 4920 4921/** 4922 * ice_set_ethtool_safe_mode_ops - setup safe mode ethtool ops 4923 * @netdev: network interface device structure 4924 */ 4925void ice_set_ethtool_safe_mode_ops(struct net_device *netdev) 4926{ 4927 netdev->ethtool_ops = &ice_ethtool_safe_mode_ops; 4928} 4929 4930static const struct ethtool_ops ice_ethtool_repr_ops = { 4931 .get_drvinfo = ice_repr_get_drvinfo, 4932 .get_link = ethtool_op_get_link, 4933 .get_strings = ice_repr_get_strings, 4934 .get_ethtool_stats = ice_repr_get_ethtool_stats, 4935 .get_sset_count = ice_repr_get_sset_count, 4936 .reset = ice_repr_ethtool_reset, 4937}; 4938 4939/** 4940 * ice_set_ethtool_repr_ops - setup VF's port representor ethtool ops 4941 * @netdev: network interface device structure 4942 */ 4943void ice_set_ethtool_repr_ops(struct net_device *netdev) 4944{ 4945 netdev->ethtool_ops = &ice_ethtool_repr_ops; 4946} 4947 4948/** 4949 * ice_set_ethtool_ops - setup netdev ethtool ops 4950 * @netdev: network interface device structure 4951 * 4952 * setup netdev ethtool ops with ice specific ops 4953 */ 4954void ice_set_ethtool_ops(struct net_device *netdev) 4955{ 4956 netdev->ethtool_ops = &ice_ethtool_ops; 4957}
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