1 /* 2 * Copyright (c) 2016-2018 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 * __dp_peer_find_by_id() - Returns peer object given the peer id 28 * 29 * @soc : core DP soc context 30 * @peer_id : peer id from peer object can be retrieved 31 * 32 * Return: struct dp_peer*: Pointer to DP peer object 33 */ 34 static inline struct dp_peer * 35 __dp_peer_find_by_id(struct dp_soc *soc, 36 uint16_t peer_id) 37 { 38 struct dp_peer *peer; 39 40 /* TODO: Hold lock */ 41 peer = (peer_id >= soc->max_peers) ? NULL : 42 soc->peer_id_to_obj_map[peer_id]; 43 44 return peer; 45 } 46 47 /** 48 * dp_peer_find_by_id() - Returns peer object given the peer id 49 * if delete_in_progress in not set for peer 50 * 51 * @soc : core DP soc context 52 * @peer_id : peer id from peer object can be retrieved 53 * 54 * Return: struct dp_peer*: Pointer to DP peer object 55 */ 56 static inline struct dp_peer * 57 dp_peer_find_by_id(struct dp_soc *soc, 58 uint16_t peer_id) 59 { 60 struct dp_peer *peer; 61 62 peer = __dp_peer_find_by_id (soc, peer_id); 63 64 if (peer && peer->delete_in_progress) { 65 return NULL; 66 } 67 68 return peer; 69 } 70 71 void dp_rx_peer_map_handler(void *soc_handle, uint16_t peer_id, 72 uint16_t hw_peer_id, uint8_t vdev_id, uint8_t *peer_mac_addr); 73 void dp_rx_peer_unmap_handler(void *soc_handle, uint16_t peer_id); 74 void dp_rx_sec_ind_handler(void *soc_handle, uint16_t peer_id, 75 enum htt_sec_type sec_type, int is_unicast, 76 u_int32_t *michael_key, u_int32_t *rx_pn); 77 uint8_t dp_get_peer_mac_addr_frm_id(struct cdp_soc_t *soc_handle, 78 uint16_t peer_id, uint8_t *peer_mac); 79 80 int dp_peer_add_ast(struct dp_soc *soc, struct dp_peer *peer, 81 uint8_t *mac_addr, enum cdp_txrx_ast_entry_type type, 82 uint32_t flags); 83 84 void dp_peer_del_ast(struct dp_soc *soc, struct dp_ast_entry *ast_entry); 85 86 int dp_peer_update_ast(struct dp_soc *soc, struct dp_peer *peer, 87 struct dp_ast_entry *ast_entry, uint32_t flags); 88 89 struct dp_ast_entry *dp_peer_ast_hash_find(struct dp_soc *soc, 90 uint8_t *ast_mac_addr); 91 92 uint8_t dp_peer_ast_get_pdev_id(struct dp_soc *soc, 93 struct dp_ast_entry *ast_entry); 94 95 96 uint8_t dp_peer_ast_get_next_hop(struct dp_soc *soc, 97 struct dp_ast_entry *ast_entry); 98 99 void dp_peer_ast_set_type(struct dp_soc *soc, 100 struct dp_ast_entry *ast_entry, 101 enum cdp_txrx_ast_entry_type type); 102 103 /* 104 * dp_get_vdev_from_soc_vdev_id_wifi3() - 105 * Returns vdev object given the vdev id 106 * vdev id is unique across pdev's 107 * 108 * @soc : core DP soc context 109 * @vdev_id : vdev id from vdev object can be retrieved 110 * 111 * Return: struct dp_vdev*: Pointer to DP vdev object 112 */ 113 static inline struct dp_vdev * 114 dp_get_vdev_from_soc_vdev_id_wifi3(struct dp_soc *soc, 115 uint8_t vdev_id) 116 { 117 struct dp_pdev *pdev = NULL; 118 struct dp_vdev *vdev = NULL; 119 int i; 120 121 for (i = 0; i < MAX_PDEV_CNT && soc->pdev_list[i]; i++) { 122 pdev = soc->pdev_list[i]; 123 TAILQ_FOREACH(vdev, &pdev->vdev_list, vdev_list_elem) { 124 if (vdev->vdev_id == vdev_id) { 125 QDF_TRACE(QDF_MODULE_ID_DP, 126 QDF_TRACE_LEVEL_INFO, 127 FL("Found vdev 0x%pK on pdev %d"), 128 vdev, i); 129 return vdev; 130 } 131 } 132 } 133 return NULL; 134 135 } 136 #endif /* _DP_PEER_H_ */ 137