core.h

  1/* SPDX-License-Identifier: GPL-2.0+ */
  2/* Copyright (c) 2015-2016 Quantenna Communications. All rights reserved. */
  3
  4#ifndef _QTN_FMAC_CORE_H_
  5#define _QTN_FMAC_CORE_H_
  6
  7#include <linux/kernel.h>
  8#include <linux/module.h>
  9#include <linux/sched.h>
 10#include <linux/semaphore.h>
 11#include <linux/ip.h>
 12#include <linux/skbuff.h>
 13#include <linux/if_arp.h>
 14#include <linux/etherdevice.h>
 15#include <net/sock.h>
 16#include <net/cfg80211.h>
 17#include <linux/vmalloc.h>
 18#include <linux/firmware.h>
 19#include <linux/ctype.h>
 20#include <linux/workqueue.h>
 21#include <linux/slab.h>
 22#include <linux/platform_device.h>
 23
 24#include "qlink.h"
 25#include "trans.h"
 26#include "qlink_util.h"
 27
 28#undef pr_fmt
 29#define pr_fmt(fmt)	KBUILD_MODNAME ": %s: " fmt, __func__
 30
 31#define QTNF_MAX_VSIE_LEN		255
 32#define QTNF_MAX_INTF			8
 33#define QTNF_MAX_EVENT_QUEUE_LEN	255
 34#define QTNF_SCAN_TIMEOUT_SEC		15
 35
 36#define QTNF_DEF_BSS_PRIORITY		0
 37#define QTNF_DEF_WDOG_TIMEOUT		5
 38#define QTNF_TX_TIMEOUT_TRSHLD		100
 39
 40extern const struct net_device_ops qtnf_netdev_ops;
 41
 42struct qtnf_bus;
 43struct qtnf_vif;
 44
 45struct qtnf_sta_node {
 46	struct list_head list;
 47	u8 mac_addr[ETH_ALEN];
 48};
 49
 50struct qtnf_sta_list {
 51	struct list_head head;
 52	atomic_t size;
 53};
 54
 55struct qtnf_vif {
 56	struct wireless_dev wdev;
 57	u8 bssid[ETH_ALEN];
 58	u8 mac_addr[ETH_ALEN];
 59	u8 vifid;
 60	u8 bss_priority;
 61	u8 bss_status;
 62	u16 mgmt_frames_bitmask;
 63	struct net_device *netdev;
 64	struct qtnf_wmac *mac;
 65
 66	struct work_struct reset_work;
 67	struct work_struct high_pri_tx_work;
 68	struct sk_buff_head high_pri_tx_queue;
 69	struct qtnf_sta_list sta_list;
 70	unsigned long cons_tx_timeout_cnt;
 71	int generation;
 72};
 73
 74struct qtnf_mac_info {
 75	u8 bands_cap;
 76	u8 num_tx_chain;
 77	u8 num_rx_chain;
 78	u16 max_ap_assoc_sta;
 79	u32 frag_thr;
 80	u32 rts_thr;
 81	u8 lretry_limit;
 82	u8 sretry_limit;
 83	u8 coverage_class;
 84	u8 radar_detect_widths;
 85	u8 max_scan_ssids;
 86	u16 max_acl_mac_addrs;
 87	struct ieee80211_ht_cap ht_cap_mod_mask;
 88	struct ieee80211_vht_cap vht_cap_mod_mask;
 89	struct ieee80211_iface_combination *if_comb;
 90	size_t n_if_comb;
 91	u8 *extended_capabilities;
 92	u8 *extended_capabilities_mask;
 93	u8 extended_capabilities_len;
 94	struct wiphy_wowlan_support *wowlan;
 95};
 96
 97struct qtnf_wmac {
 98	u8 macid;
 99	u8 wiphy_registered;
100	u8 macaddr[ETH_ALEN];
101	struct qtnf_bus *bus;
102	struct qtnf_mac_info macinfo;
103	struct qtnf_vif iflist[QTNF_MAX_INTF];
104	struct cfg80211_scan_request *scan_req;
105	struct mutex mac_lock;	/* lock during wmac specific ops */
106	struct delayed_work scan_timeout;
107	struct ieee80211_regdomain *rd;
108	struct platform_device *pdev;
109};
110
111struct qtnf_hw_info {
112	u32 ql_proto_ver;
113	u8 num_mac;
114	u8 mac_bitmap;
115	u32 fw_ver;
116	u8 total_tx_chain;
117	u8 total_rx_chain;
118	char fw_version[ETHTOOL_FWVERS_LEN];
119	u32 hw_version;
120	u8 hw_capab[QLINK_HW_CAPAB_NUM / BITS_PER_BYTE + 1];
121};
122
123struct qtnf_vif *qtnf_mac_get_free_vif(struct qtnf_wmac *mac);
124struct qtnf_vif *qtnf_mac_get_base_vif(struct qtnf_wmac *mac);
125void qtnf_mac_iface_comb_free(struct qtnf_wmac *mac);
126void qtnf_mac_ext_caps_free(struct qtnf_wmac *mac);
127bool qtnf_slave_radar_get(void);
128bool qtnf_dfs_offload_get(void);
129struct wiphy *qtnf_wiphy_allocate(struct qtnf_bus *bus,
130				  struct platform_device *pdev);
131int qtnf_core_net_attach(struct qtnf_wmac *mac, struct qtnf_vif *priv,
132			 const char *name, unsigned char name_assign_type);
133void qtnf_main_work_queue(struct work_struct *work);
134int qtnf_cmd_send_update_phy_params(struct qtnf_wmac *mac, u32 changed);
135
136struct qtnf_wmac *qtnf_core_get_mac(const struct qtnf_bus *bus, u8 macid);
137struct net_device *qtnf_classify_skb(struct qtnf_bus *bus, struct sk_buff *skb);
138void qtnf_wake_all_queues(struct net_device *ndev);
139
140void qtnf_virtual_intf_cleanup(struct net_device *ndev);
141
142void qtnf_netdev_updown(struct net_device *ndev, bool up);
143void qtnf_scan_done(struct qtnf_wmac *mac, bool aborted);
144struct dentry *qtnf_get_debugfs_dir(void);
145bool qtnf_netdev_is_qtn(const struct net_device *ndev);
146
147static inline struct qtnf_vif *qtnf_netdev_get_priv(struct net_device *dev)
148{
149	return *((void **)netdev_priv(dev));
150}
151
152static inline bool qtnf_hwcap_is_set(const struct qtnf_hw_info *info,
153				     unsigned int bit)
154{
155	return qtnf_utils_is_bit_set(info->hw_capab, bit,
156				     sizeof(info->hw_capab));
157}
158
159#endif /* _QTN_FMAC_CORE_H_ */