ntmp.h

  1/* SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) */
  2/* Copyright 2025 NXP */
  3#ifndef __NETC_NTMP_H
  4#define __NETC_NTMP_H
  5
  6#include <linux/bitops.h>
  7#include <linux/if_ether.h>
  8
  9struct maft_keye_data {
 10	u8 mac_addr[ETH_ALEN];
 11	__le16 resv;
 12};
 13
 14struct maft_cfge_data {
 15	__le16 si_bitmap;
 16	__le16 resv;
 17};
 18
 19struct netc_cbdr_regs {
 20	void __iomem *pir;
 21	void __iomem *cir;
 22	void __iomem *mr;
 23
 24	void __iomem *bar0;
 25	void __iomem *bar1;
 26	void __iomem *lenr;
 27};
 28
 29struct netc_tbl_vers {
 30	u8 maft_ver;
 31	u8 rsst_ver;
 32};
 33
 34struct netc_cbdr {
 35	struct device *dev;
 36	struct netc_cbdr_regs regs;
 37
 38	int bd_num;
 39	int next_to_use;
 40	int next_to_clean;
 41
 42	int dma_size;
 43	void *addr_base;
 44	void *addr_base_align;
 45	dma_addr_t dma_base;
 46	dma_addr_t dma_base_align;
 47
 48	/* Serialize the order of command BD ring */
 49	spinlock_t ring_lock;
 50};
 51
 52struct ntmp_user {
 53	int cbdr_num;	/* number of control BD ring */
 54	struct device *dev;
 55	struct netc_cbdr *ring;
 56	struct netc_tbl_vers tbl;
 57};
 58
 59struct maft_entry_data {
 60	struct maft_keye_data keye;
 61	struct maft_cfge_data cfge;
 62};
 63
 64#if IS_ENABLED(CONFIG_NXP_NETC_LIB)
 65int ntmp_init_cbdr(struct netc_cbdr *cbdr, struct device *dev,
 66		   const struct netc_cbdr_regs *regs);
 67void ntmp_free_cbdr(struct netc_cbdr *cbdr);
 68
 69/* NTMP APIs */
 70int ntmp_maft_add_entry(struct ntmp_user *user, u32 entry_id,
 71			struct maft_entry_data *maft);
 72int ntmp_maft_query_entry(struct ntmp_user *user, u32 entry_id,
 73			  struct maft_entry_data *maft);
 74int ntmp_maft_delete_entry(struct ntmp_user *user, u32 entry_id);
 75int ntmp_rsst_update_entry(struct ntmp_user *user, const u32 *table,
 76			   int count);
 77int ntmp_rsst_query_entry(struct ntmp_user *user,
 78			  u32 *table, int count);
 79#else
 80static inline int ntmp_init_cbdr(struct netc_cbdr *cbdr, struct device *dev,
 81				 const struct netc_cbdr_regs *regs)
 82{
 83	return 0;
 84}
 85
 86static inline void ntmp_free_cbdr(struct netc_cbdr *cbdr)
 87{
 88}
 89
 90static inline int ntmp_maft_add_entry(struct ntmp_user *user, u32 entry_id,
 91				      struct maft_entry_data *maft)
 92{
 93	return 0;
 94}
 95
 96static inline int ntmp_maft_query_entry(struct ntmp_user *user, u32 entry_id,
 97					struct maft_entry_data *maft)
 98{
 99	return 0;
100}
101
102static inline int ntmp_maft_delete_entry(struct ntmp_user *user, u32 entry_id)
103{
104	return 0;
105}
106
107static inline int ntmp_rsst_update_entry(struct ntmp_user *user,
108					 const u32 *table, int count)
109{
110	return 0;
111}
112
113static inline int ntmp_rsst_query_entry(struct ntmp_user *user,
114					u32 *table, int count)
115{
116	return 0;
117}
118
119#endif
120
121#endif