1 /* 2 * Copyright (c) 2016-2019 The Linux Foundation. All rights reserved. 3 * 4 * Permission to use, copy, modify, and/or distribute this software for 5 * any purpose with or without fee is hereby granted, provided that the 6 * above copyright notice and this permission notice appear in all 7 * copies. 8 * 9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL 10 * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED 11 * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE 12 * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL 13 * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR 14 * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER 15 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR 16 * PERFORMANCE OF THIS SOFTWARE. 17 */ 18 #ifndef _DP_PEER_H_ 19 #define _DP_PEER_H_ 20 21 #include <qdf_types.h> 22 #include <qdf_lock.h> 23 #include "dp_types.h" 24 25 #define DP_INVALID_PEER_ID 0xffff 26 27 #define DP_FW_PEER_STATS_CMP_TIMEOUT_MSEC 5000 28 /** 29 * __dp_peer_find_by_id() - Returns peer object given the peer id 30 * 31 * @soc : core DP soc context 32 * @peer_id : peer id from peer object can be retrieved 33 * 34 * Return: struct dp_peer*: Pointer to DP peer object 35 */ 36 static inline struct dp_peer * 37 __dp_peer_find_by_id(struct dp_soc *soc, 38 uint16_t peer_id) 39 { 40 struct dp_peer *peer; 41 42 /* TODO: Hold lock */ 43 peer = (peer_id >= soc->max_peers) ? NULL : 44 soc->peer_id_to_obj_map[peer_id]; 45 46 return peer; 47 } 48 49 #ifdef PEER_PROTECTED_ACCESS 50 /** 51 * dp_peer_find_by_id() - Returns peer object given the peer id 52 * if delete_in_progress in not set for peer 53 * 54 * @soc : core DP soc context 55 * @peer_id : peer id from peer object can be retrieved 56 * 57 * Return: struct dp_peer*: Pointer to DP peer object 58 */ 59 static inline 60 struct dp_peer *dp_peer_find_by_id(struct dp_soc *soc, 61 uint16_t peer_id) 62 { 63 struct dp_peer *peer; 64 65 qdf_spin_lock_bh(&soc->peer_ref_mutex); 66 peer = __dp_peer_find_by_id(soc, peer_id); 67 if (!peer || (peer && peer->delete_in_progress)) { 68 qdf_spin_unlock_bh(&soc->peer_ref_mutex); 69 return NULL; 70 } 71 qdf_atomic_inc(&peer->ref_cnt); 72 qdf_spin_unlock_bh(&soc->peer_ref_mutex); 73 74 return peer; 75 } 76 #else 77 static inline struct dp_peer * 78 dp_peer_find_by_id(struct dp_soc *soc, 79 uint16_t peer_id) 80 { 81 struct dp_peer *peer; 82 83 peer = __dp_peer_find_by_id (soc, peer_id); 84 if (peer && peer->delete_in_progress) { 85 return NULL; 86 } 87 88 return peer; 89 } 90 #endif /* PEER_LOCK_REF_PROTECT */ 91 92 void dp_print_ast_stats(struct dp_soc *soc); 93 void dp_rx_peer_map_handler(void *soc_handle, uint16_t peer_id, 94 uint16_t hw_peer_id, uint8_t vdev_id, 95 uint8_t *peer_mac_addr, uint16_t ast_hash, 96 uint8_t is_wds); 97 void dp_rx_peer_unmap_handler(void *soc_handle, uint16_t peer_id, 98 uint8_t vdev_id, uint8_t *peer_mac_addr, 99 uint8_t is_wds); 100 void dp_rx_sec_ind_handler(void *soc_handle, uint16_t peer_id, 101 enum cdp_sec_type sec_type, int is_unicast, 102 u_int32_t *michael_key, u_int32_t *rx_pn); 103 uint8_t dp_get_peer_mac_addr_frm_id(struct cdp_soc_t *soc_handle, 104 uint16_t peer_id, uint8_t *peer_mac); 105 106 int dp_peer_add_ast(struct dp_soc *soc, struct dp_peer *peer, 107 uint8_t *mac_addr, enum cdp_txrx_ast_entry_type type, 108 uint32_t flags); 109 110 void dp_peer_del_ast(struct dp_soc *soc, struct dp_ast_entry *ast_entry); 111 112 void dp_peer_ast_unmap_handler(struct dp_soc *soc, 113 struct dp_ast_entry *ast_entry); 114 115 int dp_peer_update_ast(struct dp_soc *soc, struct dp_peer *peer, 116 struct dp_ast_entry *ast_entry, uint32_t flags); 117 118 struct dp_ast_entry *dp_peer_ast_hash_find_by_pdevid(struct dp_soc *soc, 119 uint8_t *ast_mac_addr, 120 uint8_t pdev_id); 121 122 struct dp_ast_entry *dp_peer_ast_hash_find_soc(struct dp_soc *soc, 123 uint8_t *ast_mac_addr); 124 125 struct dp_ast_entry *dp_peer_ast_list_find(struct dp_soc *soc, 126 struct dp_peer *peer, 127 uint8_t *ast_mac_addr); 128 129 uint8_t dp_peer_ast_get_pdev_id(struct dp_soc *soc, 130 struct dp_ast_entry *ast_entry); 131 132 133 uint8_t dp_peer_ast_get_next_hop(struct dp_soc *soc, 134 struct dp_ast_entry *ast_entry); 135 136 void dp_peer_ast_set_type(struct dp_soc *soc, 137 struct dp_ast_entry *ast_entry, 138 enum cdp_txrx_ast_entry_type type); 139 140 void dp_peer_ast_send_wds_del(struct dp_soc *soc, 141 struct dp_ast_entry *ast_entry); 142 143 void dp_peer_free_hmwds_cb(void *ctrl_psoc, 144 void *dp_soc, 145 void *cookie, 146 enum cdp_ast_free_status status); 147 148 /* 149 * dp_get_vdev_from_soc_vdev_id_wifi3() - 150 * Returns vdev object given the vdev id 151 * vdev id is unique across pdev's 152 * 153 * @soc : core DP soc context 154 * @vdev_id : vdev id from vdev object can be retrieved 155 * 156 * Return: struct dp_vdev*: Pointer to DP vdev object 157 */ 158 static inline struct dp_vdev * 159 dp_get_vdev_from_soc_vdev_id_wifi3(struct dp_soc *soc, 160 uint8_t vdev_id) 161 { 162 struct dp_pdev *pdev = NULL; 163 struct dp_vdev *vdev = NULL; 164 int i; 165 166 for (i = 0; i < MAX_PDEV_CNT && soc->pdev_list[i]; i++) { 167 pdev = soc->pdev_list[i]; 168 qdf_spin_lock_bh(&pdev->vdev_list_lock); 169 TAILQ_FOREACH(vdev, &pdev->vdev_list, vdev_list_elem) { 170 if (vdev->vdev_id == vdev_id) { 171 QDF_TRACE(QDF_MODULE_ID_DP, 172 QDF_TRACE_LEVEL_INFO, 173 FL("Found vdev 0x%pK on pdev %d"), 174 vdev, i); 175 qdf_spin_unlock_bh(&pdev->vdev_list_lock); 176 return vdev; 177 } 178 } 179 qdf_spin_unlock_bh(&pdev->vdev_list_lock); 180 } 181 return NULL; 182 183 } 184 185 /* 186 * dp_peer_find_by_id_exist - check if peer exists for given id 187 * @soc: core DP soc context 188 * @peer_id: peer id from peer object can be retrieved 189 * 190 * Return: true if peer exists of false otherwise 191 */ 192 bool dp_peer_find_by_id_valid(struct dp_soc *soc, uint16_t peer_id); 193 194 #define DP_AST_ASSERT(_condition) \ 195 do { \ 196 if (!(_condition)) { \ 197 dp_print_ast_stats(soc);\ 198 QDF_BUG(_condition); \ 199 } \ 200 } while (0) 201 202 /** 203 * dp_peer_update_inactive_time - Update inactive time for peer 204 * @pdev: pdev object 205 * @tag_type: htt_tlv_tag type 206 * #tag_buf: buf message 207 */ 208 void 209 dp_peer_update_inactive_time(struct dp_pdev *pdev, uint32_t tag_type, 210 uint32_t *tag_buf); 211 212 #endif /* _DP_PEER_H_ */ 213