Debashis Dutt | 390645c | 2016-10-04 17:31:45 -0700 | [diff] [blame] | 1 | /* |
Chaithanya Garrepalli | 9cc562c | 2018-11-16 18:30:41 +0530 | [diff] [blame] | 2 | * Copyright (c) 2016-2019 The Linux Foundation. All rights reserved. |
Debashis Dutt | 390645c | 2016-10-04 17:31:45 -0700 | [diff] [blame] | 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 | |
Balamurugan Mahalingam | d015964 | 2018-07-11 15:02:29 +0530 | [diff] [blame] | 19 | #include "hal_hw_headers.h" |
Debashis Dutt | 390645c | 2016-10-04 17:31:45 -0700 | [diff] [blame] | 20 | #include "dp_types.h" |
| 21 | #include "dp_rx.h" |
| 22 | #include "dp_peer.h" |
Karunakar Dasineni | a0f09ea | 2016-11-21 17:41:31 -0800 | [diff] [blame] | 23 | #include "dp_internal.h" |
Debashis Dutt | 390645c | 2016-10-04 17:31:45 -0700 | [diff] [blame] | 24 | #include "hal_api.h" |
| 25 | #include "qdf_trace.h" |
| 26 | #include "qdf_nbuf.h" |
Venkata Sharath Chandra Manchala | 8e8d8f1 | 2017-01-13 00:00:58 -0800 | [diff] [blame] | 27 | #ifdef CONFIG_MCL |
| 28 | #include <cds_ieee80211_common.h> |
Venkata Sharath Chandra Manchala | 8e8d8f1 | 2017-01-13 00:00:58 -0800 | [diff] [blame] | 29 | #endif |
Ravi Joshi | 36f68ad | 2016-11-09 17:09:47 -0800 | [diff] [blame] | 30 | #include "dp_rx_defrag.h" |
Amir Patel | cb99026 | 2019-05-28 15:12:48 +0530 | [diff] [blame^] | 31 | #ifdef FEATURE_WDS |
| 32 | #include "dp_txrx_wds.h" |
| 33 | #endif |
Ravi Joshi | 36f68ad | 2016-11-09 17:09:47 -0800 | [diff] [blame] | 34 | #include <enet.h> /* LLC_SNAP_HDR_LEN */ |
sumedh baikady | c2fa7c9 | 2018-12-28 15:26:08 -0800 | [diff] [blame] | 35 | #include "qdf_net_types.h" |
Debashis Dutt | 390645c | 2016-10-04 17:31:45 -0700 | [diff] [blame] | 36 | |
| 37 | /** |
Tallapragada Kalyan | 9403463 | 2017-12-07 17:29:13 +0530 | [diff] [blame] | 38 | * dp_rx_mcast_echo_check() - check if the mcast pkt is a loop |
| 39 | * back on same vap or a different vap. |
| 40 | * |
| 41 | * @soc: core DP main context |
| 42 | * @peer: dp peer handler |
| 43 | * @rx_tlv_hdr: start of the rx TLV header |
| 44 | * @nbuf: pkt buffer |
| 45 | * |
| 46 | * Return: bool (true if it is a looped back pkt else false) |
| 47 | * |
| 48 | */ |
| 49 | static inline bool dp_rx_mcast_echo_check(struct dp_soc *soc, |
| 50 | struct dp_peer *peer, |
| 51 | uint8_t *rx_tlv_hdr, |
| 52 | qdf_nbuf_t nbuf) |
| 53 | { |
| 54 | struct dp_vdev *vdev = peer->vdev; |
Amir Patel | cb99026 | 2019-05-28 15:12:48 +0530 | [diff] [blame^] | 55 | struct dp_ast_entry *ase = NULL; |
Tallapragada Kalyan | 57b6bb3 | 2018-01-02 12:58:33 +0530 | [diff] [blame] | 56 | uint16_t sa_idx = 0; |
Tallapragada Kalyan | 9403463 | 2017-12-07 17:29:13 +0530 | [diff] [blame] | 57 | uint8_t *data; |
| 58 | |
| 59 | /* |
| 60 | * Multicast Echo Check is required only if vdev is STA and |
| 61 | * received pkt is a multicast/broadcast pkt. otherwise |
| 62 | * skip the MEC check. |
| 63 | */ |
| 64 | if (vdev->opmode != wlan_op_mode_sta) |
| 65 | return false; |
| 66 | |
| 67 | if (!hal_rx_msdu_end_da_is_mcbc_get(rx_tlv_hdr)) |
| 68 | return false; |
| 69 | |
| 70 | data = qdf_nbuf_data(nbuf); |
| 71 | /* |
| 72 | * if the received pkts src mac addr matches with vdev |
| 73 | * mac address then drop the pkt as it is looped back |
| 74 | */ |
Srinivas Girigowda | 2751b6d | 2019-02-27 12:28:13 -0800 | [diff] [blame] | 75 | if (!(qdf_mem_cmp(&data[QDF_MAC_ADDR_SIZE], |
Tallapragada Kalyan | 9403463 | 2017-12-07 17:29:13 +0530 | [diff] [blame] | 76 | vdev->mac_addr.raw, |
Srinivas Girigowda | 2751b6d | 2019-02-27 12:28:13 -0800 | [diff] [blame] | 77 | QDF_MAC_ADDR_SIZE))) |
Tallapragada Kalyan | 9403463 | 2017-12-07 17:29:13 +0530 | [diff] [blame] | 78 | return true; |
| 79 | |
Nandha Kishore Easwaran | 3053dee | 2018-03-12 18:27:10 +0530 | [diff] [blame] | 80 | /* |
| 81 | * In case of qwrap isolation mode, donot drop loopback packets. |
| 82 | * In isolation mode, all packets from the wired stations need to go |
| 83 | * to rootap and loop back to reach the wireless stations and |
| 84 | * vice-versa. |
| 85 | */ |
| 86 | if (qdf_unlikely(vdev->isolation_vdev)) |
| 87 | return false; |
| 88 | |
Tallapragada Kalyan | 9403463 | 2017-12-07 17:29:13 +0530 | [diff] [blame] | 89 | /* if the received pkts src mac addr matches with the |
| 90 | * wired PCs MAC addr which is behind the STA or with |
| 91 | * wireless STAs MAC addr which are behind the Repeater, |
| 92 | * then drop the pkt as it is looped back |
| 93 | */ |
| 94 | qdf_spin_lock_bh(&soc->ast_lock); |
| 95 | if (hal_rx_msdu_end_sa_is_valid_get(rx_tlv_hdr)) { |
Balamurugan Mahalingam | 96d2d41 | 2018-07-10 10:11:58 +0530 | [diff] [blame] | 96 | sa_idx = hal_rx_msdu_end_sa_idx_get(rx_tlv_hdr); |
Tallapragada Kalyan | 9403463 | 2017-12-07 17:29:13 +0530 | [diff] [blame] | 97 | |
Tallapragada Kalyan | 57b6bb3 | 2018-01-02 12:58:33 +0530 | [diff] [blame] | 98 | if ((sa_idx < 0) || |
Tallapragada Kalyan | a702362 | 2018-12-03 19:29:52 +0530 | [diff] [blame] | 99 | (sa_idx >= wlan_cfg_get_max_ast_idx(soc->wlan_cfg_ctx))) { |
Tallapragada Kalyan | 9403463 | 2017-12-07 17:29:13 +0530 | [diff] [blame] | 100 | qdf_spin_unlock_bh(&soc->ast_lock); |
| 101 | QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_ERROR, |
| 102 | "invalid sa_idx: %d", sa_idx); |
| 103 | qdf_assert_always(0); |
| 104 | } |
| 105 | |
| 106 | ase = soc->ast_table[sa_idx]; |
Tallapragada Kalyan | 57b6bb3 | 2018-01-02 12:58:33 +0530 | [diff] [blame] | 107 | if (!ase) { |
| 108 | /* We do not get a peer map event for STA and without |
| 109 | * this event we don't know what is STA's sa_idx. |
| 110 | * For this reason the AST is still not associated to |
| 111 | * any index postion in ast_table. |
| 112 | * In these kind of scenarios where sa is valid but |
| 113 | * ast is not in ast_table, we use the below API to get |
| 114 | * AST entry for STA's own mac_address. |
| 115 | */ |
Chaithanya Garrepalli | 7c8cf12 | 2018-09-07 19:23:52 +0530 | [diff] [blame] | 116 | ase = dp_peer_ast_list_find(soc, peer, |
Srinivas Girigowda | 2751b6d | 2019-02-27 12:28:13 -0800 | [diff] [blame] | 117 | &data[QDF_MAC_ADDR_SIZE]); |
Chaithanya Garrepalli | 7c8cf12 | 2018-09-07 19:23:52 +0530 | [diff] [blame] | 118 | if (ase) { |
| 119 | ase->ast_idx = sa_idx; |
| 120 | soc->ast_table[sa_idx] = ase; |
Chaithanya Garrepalli | e10f87b | 2018-10-18 00:14:11 +0530 | [diff] [blame] | 121 | ase->is_mapped = TRUE; |
Chaithanya Garrepalli | 7c8cf12 | 2018-09-07 19:23:52 +0530 | [diff] [blame] | 122 | } |
Tallapragada Kalyan | 57b6bb3 | 2018-01-02 12:58:33 +0530 | [diff] [blame] | 123 | } |
Amir Patel | cb99026 | 2019-05-28 15:12:48 +0530 | [diff] [blame^] | 124 | } else { |
Chaithanya Garrepalli | 9cc562c | 2018-11-16 18:30:41 +0530 | [diff] [blame] | 125 | ase = dp_peer_ast_hash_find_by_pdevid(soc, |
Srinivas Girigowda | 2751b6d | 2019-02-27 12:28:13 -0800 | [diff] [blame] | 126 | &data[QDF_MAC_ADDR_SIZE], |
Chaithanya Garrepalli | 9cc562c | 2018-11-16 18:30:41 +0530 | [diff] [blame] | 127 | vdev->pdev->pdev_id); |
Amir Patel | cb99026 | 2019-05-28 15:12:48 +0530 | [diff] [blame^] | 128 | } |
Tallapragada Kalyan | 9403463 | 2017-12-07 17:29:13 +0530 | [diff] [blame] | 129 | |
| 130 | if (ase) { |
Tallapragada Kalyan | 57b6bb3 | 2018-01-02 12:58:33 +0530 | [diff] [blame] | 131 | |
| 132 | if (ase->pdev_id != vdev->pdev->pdev_id) { |
| 133 | qdf_spin_unlock_bh(&soc->ast_lock); |
| 134 | QDF_TRACE(QDF_MODULE_ID_DP, |
| 135 | QDF_TRACE_LEVEL_INFO, |
Pamidipati, Vijay | d3478ef | 2018-02-06 23:52:29 +0530 | [diff] [blame] | 136 | "Detected DBDC Root AP %pM, %d %d", |
Srinivas Girigowda | 2751b6d | 2019-02-27 12:28:13 -0800 | [diff] [blame] | 137 | &data[QDF_MAC_ADDR_SIZE], vdev->pdev->pdev_id, |
Pamidipati, Vijay | d3478ef | 2018-02-06 23:52:29 +0530 | [diff] [blame] | 138 | ase->pdev_id); |
Tallapragada Kalyan | 57b6bb3 | 2018-01-02 12:58:33 +0530 | [diff] [blame] | 139 | return false; |
| 140 | } |
| 141 | |
Tallapragada Kalyan | 9403463 | 2017-12-07 17:29:13 +0530 | [diff] [blame] | 142 | if ((ase->type == CDP_TXRX_AST_TYPE_MEC) || |
| 143 | (ase->peer != peer)) { |
| 144 | qdf_spin_unlock_bh(&soc->ast_lock); |
| 145 | QDF_TRACE(QDF_MODULE_ID_DP, |
| 146 | QDF_TRACE_LEVEL_INFO, |
| 147 | "received pkt with same src mac %pM", |
Srinivas Girigowda | 2751b6d | 2019-02-27 12:28:13 -0800 | [diff] [blame] | 148 | &data[QDF_MAC_ADDR_SIZE]); |
Tallapragada Kalyan | 9403463 | 2017-12-07 17:29:13 +0530 | [diff] [blame] | 149 | |
| 150 | return true; |
| 151 | } |
| 152 | } |
| 153 | qdf_spin_unlock_bh(&soc->ast_lock); |
| 154 | return false; |
| 155 | } |
| 156 | |
| 157 | /** |
Aniruddha Paul | 80f52e7 | 2017-10-28 18:16:58 +0530 | [diff] [blame] | 158 | * dp_rx_link_desc_return_by_addr - Return a MPDU link descriptor to |
| 159 | * (WBM) by address |
Tallapragada Kalyan | a7010a6 | 2017-10-20 12:20:19 +0530 | [diff] [blame] | 160 | * |
| 161 | * @soc: core DP main context |
Aniruddha Paul | 80f52e7 | 2017-10-28 18:16:58 +0530 | [diff] [blame] | 162 | * @link_desc_addr: link descriptor addr |
Tallapragada Kalyan | a7010a6 | 2017-10-20 12:20:19 +0530 | [diff] [blame] | 163 | * |
| 164 | * Return: QDF_STATUS |
| 165 | */ |
psimha | 223883f | 2017-11-16 17:18:51 -0800 | [diff] [blame] | 166 | QDF_STATUS |
Aniruddha Paul | 80f52e7 | 2017-10-28 18:16:58 +0530 | [diff] [blame] | 167 | dp_rx_link_desc_return_by_addr(struct dp_soc *soc, void *link_desc_addr, |
| 168 | uint8_t bm_action) |
Tallapragada Kalyan | a7010a6 | 2017-10-20 12:20:19 +0530 | [diff] [blame] | 169 | { |
Tallapragada Kalyan | a7010a6 | 2017-10-20 12:20:19 +0530 | [diff] [blame] | 170 | struct dp_srng *wbm_desc_rel_ring = &soc->wbm_desc_rel_ring; |
| 171 | void *wbm_rel_srng = wbm_desc_rel_ring->hal_srng; |
| 172 | void *hal_soc = soc->hal_soc; |
| 173 | QDF_STATUS status = QDF_STATUS_E_FAILURE; |
| 174 | void *src_srng_desc; |
| 175 | |
| 176 | if (!wbm_rel_srng) { |
| 177 | QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR, |
| 178 | "WBM RELEASE RING not initialized"); |
| 179 | return status; |
| 180 | } |
| 181 | |
| 182 | if (qdf_unlikely(hal_srng_access_start(hal_soc, wbm_rel_srng))) { |
| 183 | |
| 184 | /* TODO */ |
| 185 | /* |
| 186 | * Need API to convert from hal_ring pointer to |
| 187 | * Ring Type / Ring Id combo |
| 188 | */ |
| 189 | QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR, |
| 190 | FL("HAL RING Access For WBM Release SRNG Failed - %pK"), |
| 191 | wbm_rel_srng); |
| 192 | DP_STATS_INC(soc, rx.err.hal_ring_access_fail, 1); |
| 193 | goto done; |
| 194 | } |
| 195 | src_srng_desc = hal_srng_src_get_next(hal_soc, wbm_rel_srng); |
| 196 | if (qdf_likely(src_srng_desc)) { |
| 197 | /* Return link descriptor through WBM ring (SW2WBM)*/ |
| 198 | hal_rx_msdu_link_desc_set(hal_soc, |
Aniruddha Paul | 80f52e7 | 2017-10-28 18:16:58 +0530 | [diff] [blame] | 199 | src_srng_desc, link_desc_addr, bm_action); |
Tallapragada Kalyan | a7010a6 | 2017-10-20 12:20:19 +0530 | [diff] [blame] | 200 | status = QDF_STATUS_SUCCESS; |
| 201 | } else { |
| 202 | struct hal_srng *srng = (struct hal_srng *)wbm_rel_srng; |
| 203 | QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR, |
| 204 | FL("WBM Release Ring (Id %d) Full"), srng->ring_id); |
| 205 | QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR, |
| 206 | "HP 0x%x Reap HP 0x%x TP 0x%x Cached TP 0x%x", |
| 207 | *srng->u.src_ring.hp_addr, srng->u.src_ring.reap_hp, |
| 208 | *srng->u.src_ring.tp_addr, srng->u.src_ring.cached_tp); |
| 209 | } |
| 210 | done: |
| 211 | hal_srng_access_end(hal_soc, wbm_rel_srng); |
| 212 | return status; |
Aniruddha Paul | 80f52e7 | 2017-10-28 18:16:58 +0530 | [diff] [blame] | 213 | |
| 214 | } |
| 215 | |
| 216 | /** |
| 217 | * dp_rx_link_desc_return() - Return a MPDU link descriptor to HW |
| 218 | * (WBM), following error handling |
| 219 | * |
| 220 | * @soc: core DP main context |
| 221 | * @ring_desc: opaque pointer to the REO error ring descriptor |
| 222 | * |
| 223 | * Return: QDF_STATUS |
| 224 | */ |
| 225 | QDF_STATUS |
| 226 | dp_rx_link_desc_return(struct dp_soc *soc, void *ring_desc, uint8_t bm_action) |
| 227 | { |
| 228 | void *buf_addr_info = HAL_RX_REO_BUF_ADDR_INFO_GET(ring_desc); |
| 229 | return dp_rx_link_desc_return_by_addr(soc, buf_addr_info, bm_action); |
Tallapragada Kalyan | a7010a6 | 2017-10-20 12:20:19 +0530 | [diff] [blame] | 230 | } |
| 231 | |
| 232 | /** |
Debashis Dutt | 390645c | 2016-10-04 17:31:45 -0700 | [diff] [blame] | 233 | * dp_rx_msdus_drop() - Drops all MSDU's per MPDU |
| 234 | * |
| 235 | * @soc: core txrx main context |
| 236 | * @ring_desc: opaque pointer to the REO error ring descriptor |
| 237 | * @mpdu_desc_info: MPDU descriptor information from ring descriptor |
| 238 | * @head: head of the local descriptor free-list |
| 239 | * @tail: tail of the local descriptor free-list |
| 240 | * @quota: No. of units (packets) that can be serviced in one shot. |
| 241 | * |
| 242 | * This function is used to drop all MSDU in an MPDU |
| 243 | * |
| 244 | * Return: uint32_t: No. of elements processed |
| 245 | */ |
Ravi Joshi | 36f68ad | 2016-11-09 17:09:47 -0800 | [diff] [blame] | 246 | static uint32_t dp_rx_msdus_drop(struct dp_soc *soc, void *ring_desc, |
Pamidipati, Vijay | 5379474 | 2017-06-03 11:24:32 +0530 | [diff] [blame] | 247 | struct hal_rx_mpdu_desc_info *mpdu_desc_info, |
Pamidipati, Vijay | b75e810 | 2018-11-05 12:41:18 +0530 | [diff] [blame] | 248 | uint8_t *mac_id, |
Pamidipati, Vijay | 5379474 | 2017-06-03 11:24:32 +0530 | [diff] [blame] | 249 | uint32_t quota) |
Debashis Dutt | 390645c | 2016-10-04 17:31:45 -0700 | [diff] [blame] | 250 | { |
Debashis Dutt | 390645c | 2016-10-04 17:31:45 -0700 | [diff] [blame] | 251 | uint32_t rx_bufs_used = 0; |
| 252 | void *link_desc_va; |
| 253 | struct hal_buf_info buf_info; |
Pamidipati, Vijay | b75e810 | 2018-11-05 12:41:18 +0530 | [diff] [blame] | 254 | struct dp_pdev *pdev; |
Debashis Dutt | 390645c | 2016-10-04 17:31:45 -0700 | [diff] [blame] | 255 | struct hal_rx_msdu_list msdu_list; /* MSDU's per MPDU */ |
| 256 | int i; |
Gurumoorthi Gnanasambandhan | ed4bcf8 | 2017-05-24 00:10:59 +0530 | [diff] [blame] | 257 | uint8_t *rx_tlv_hdr; |
| 258 | uint32_t tid; |
Debashis Dutt | 390645c | 2016-10-04 17:31:45 -0700 | [diff] [blame] | 259 | |
| 260 | hal_rx_reo_buf_paddr_get(ring_desc, &buf_info); |
| 261 | |
| 262 | link_desc_va = dp_rx_cookie_2_link_desc_va(soc, &buf_info); |
| 263 | |
Debashis Dutt | 390645c | 2016-10-04 17:31:45 -0700 | [diff] [blame] | 264 | /* No UNMAP required -- this is "malloc_consistent" memory */ |
Balamurugan Mahalingam | 3715aa4 | 2018-08-22 02:13:14 +0530 | [diff] [blame] | 265 | hal_rx_msdu_list_get(soc->hal_soc, link_desc_va, &msdu_list, |
| 266 | &mpdu_desc_info->msdu_count); |
Debashis Dutt | 390645c | 2016-10-04 17:31:45 -0700 | [diff] [blame] | 267 | |
Karunakar Dasineni | 80cded8 | 2017-07-10 10:49:55 -0700 | [diff] [blame] | 268 | for (i = 0; (i < mpdu_desc_info->msdu_count) && quota--; i++) { |
Debashis Dutt | 390645c | 2016-10-04 17:31:45 -0700 | [diff] [blame] | 269 | struct dp_rx_desc *rx_desc = |
Kai Chen | 6eca1a6 | 2017-01-12 10:17:53 -0800 | [diff] [blame] | 270 | dp_rx_cookie_2_va_rxdma_buf(soc, |
| 271 | msdu_list.sw_cookie[i]); |
Debashis Dutt | 390645c | 2016-10-04 17:31:45 -0700 | [diff] [blame] | 272 | |
Pamidipati, Vijay | b75e810 | 2018-11-05 12:41:18 +0530 | [diff] [blame] | 273 | qdf_assert_always(rx_desc); |
| 274 | |
| 275 | /* all buffers from a MSDU link link belong to same pdev */ |
| 276 | *mac_id = rx_desc->pool_id; |
| 277 | pdev = soc->pdev_list[rx_desc->pool_id]; |
Debashis Dutt | 390645c | 2016-10-04 17:31:45 -0700 | [diff] [blame] | 278 | |
Pamidipati, Vijay | 5379474 | 2017-06-03 11:24:32 +0530 | [diff] [blame] | 279 | if (!dp_rx_desc_check_magic(rx_desc)) { |
| 280 | QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR, |
| 281 | FL("Invalid rx_desc cookie=%d"), |
| 282 | msdu_list.sw_cookie[i]); |
| 283 | return rx_bufs_used; |
| 284 | } |
| 285 | |
Pamidipati, Vijay | c736e83 | 2019-03-21 22:24:10 +0530 | [diff] [blame] | 286 | qdf_nbuf_unmap_single(soc->osdev, |
Ankit Kumar | 0ae4abc | 2019-05-02 15:08:42 +0530 | [diff] [blame] | 287 | rx_desc->nbuf, QDF_DMA_FROM_DEVICE); |
Pamidipati, Vijay | c736e83 | 2019-03-21 22:24:10 +0530 | [diff] [blame] | 288 | |
| 289 | rx_desc->rx_buf_start = qdf_nbuf_data(rx_desc->nbuf); |
| 290 | |
Debashis Dutt | 390645c | 2016-10-04 17:31:45 -0700 | [diff] [blame] | 291 | rx_bufs_used++; |
Balamurugan Mahalingam | d015964 | 2018-07-11 15:02:29 +0530 | [diff] [blame] | 292 | tid = hal_rx_mpdu_start_tid_get(soc->hal_soc, |
| 293 | rx_desc->rx_buf_start); |
Gurumoorthi Gnanasambandhan | ed4bcf8 | 2017-05-24 00:10:59 +0530 | [diff] [blame] | 294 | QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR, |
| 295 | "Packet received with PN error for tid :%d", tid); |
| 296 | |
| 297 | rx_tlv_hdr = qdf_nbuf_data(rx_desc->nbuf); |
| 298 | if (hal_rx_encryption_info_valid(rx_tlv_hdr)) |
| 299 | hal_rx_print_pn(rx_tlv_hdr); |
Debashis Dutt | 390645c | 2016-10-04 17:31:45 -0700 | [diff] [blame] | 300 | |
| 301 | /* Just free the buffers */ |
| 302 | qdf_nbuf_free(rx_desc->nbuf); |
| 303 | |
Pamidipati, Vijay | b75e810 | 2018-11-05 12:41:18 +0530 | [diff] [blame] | 304 | dp_rx_add_to_free_desc_list(&pdev->free_list_head, |
| 305 | &pdev->free_list_tail, rx_desc); |
Debashis Dutt | 390645c | 2016-10-04 17:31:45 -0700 | [diff] [blame] | 306 | } |
| 307 | |
Tallapragada Kalyan | a7010a6 | 2017-10-20 12:20:19 +0530 | [diff] [blame] | 308 | /* Return link descriptor through WBM ring (SW2WBM)*/ |
| 309 | dp_rx_link_desc_return(soc, ring_desc, HAL_BM_ACTION_PUT_IN_IDLE_LIST); |
| 310 | |
Debashis Dutt | 390645c | 2016-10-04 17:31:45 -0700 | [diff] [blame] | 311 | return rx_bufs_used; |
| 312 | } |
| 313 | |
| 314 | /** |
| 315 | * dp_rx_pn_error_handle() - Handles PN check errors |
| 316 | * |
| 317 | * @soc: core txrx main context |
| 318 | * @ring_desc: opaque pointer to the REO error ring descriptor |
| 319 | * @mpdu_desc_info: MPDU descriptor information from ring descriptor |
| 320 | * @head: head of the local descriptor free-list |
| 321 | * @tail: tail of the local descriptor free-list |
| 322 | * @quota: No. of units (packets) that can be serviced in one shot. |
| 323 | * |
| 324 | * This function implements PN error handling |
| 325 | * If the peer is configured to ignore the PN check errors |
| 326 | * or if DP feels, that this frame is still OK, the frame can be |
| 327 | * re-injected back to REO to use some of the other features |
| 328 | * of REO e.g. duplicate detection/routing to other cores |
| 329 | * |
| 330 | * Return: uint32_t: No. of elements processed |
| 331 | */ |
Jeff Johnson | 8a4fd9b | 2017-01-05 16:33:40 -0800 | [diff] [blame] | 332 | static uint32_t |
Debashis Dutt | 390645c | 2016-10-04 17:31:45 -0700 | [diff] [blame] | 333 | dp_rx_pn_error_handle(struct dp_soc *soc, void *ring_desc, |
| 334 | struct hal_rx_mpdu_desc_info *mpdu_desc_info, |
Pamidipati, Vijay | b75e810 | 2018-11-05 12:41:18 +0530 | [diff] [blame] | 335 | uint8_t *mac_id, |
Debashis Dutt | 390645c | 2016-10-04 17:31:45 -0700 | [diff] [blame] | 336 | uint32_t quota) |
| 337 | { |
| 338 | uint16_t peer_id; |
| 339 | uint32_t rx_bufs_used = 0; |
| 340 | struct dp_peer *peer; |
| 341 | bool peer_pn_policy = false; |
| 342 | |
| 343 | peer_id = DP_PEER_METADATA_PEER_ID_GET( |
| 344 | mpdu_desc_info->peer_meta_data); |
| 345 | |
Gurumoorthi Gnanasambandhan | ed4bcf8 | 2017-05-24 00:10:59 +0530 | [diff] [blame] | 346 | |
Debashis Dutt | 390645c | 2016-10-04 17:31:45 -0700 | [diff] [blame] | 347 | peer = dp_peer_find_by_id(soc, peer_id); |
| 348 | |
| 349 | if (qdf_likely(peer)) { |
| 350 | /* |
| 351 | * TODO: Check for peer specific policies & set peer_pn_policy |
| 352 | */ |
Tallapragada Kalyan | bc62989 | 2018-04-04 11:34:55 +0530 | [diff] [blame] | 353 | QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_ERROR, |
| 354 | "discard rx due to PN error for peer %pK " |
Aditya Sathish | ded018e | 2018-07-02 16:25:21 +0530 | [diff] [blame] | 355 | "(%02x:%02x:%02x:%02x:%02x:%02x)", |
Tallapragada Kalyan | bc62989 | 2018-04-04 11:34:55 +0530 | [diff] [blame] | 356 | peer, |
| 357 | peer->mac_addr.raw[0], peer->mac_addr.raw[1], |
| 358 | peer->mac_addr.raw[2], peer->mac_addr.raw[3], |
| 359 | peer->mac_addr.raw[4], peer->mac_addr.raw[5]); |
| 360 | |
Sravan Kumar Kairam | 26d471e | 2018-08-14 23:51:58 +0530 | [diff] [blame] | 361 | dp_peer_unref_del_find_by_id(peer); |
Debashis Dutt | 390645c | 2016-10-04 17:31:45 -0700 | [diff] [blame] | 362 | } |
Gurumoorthi Gnanasambandhan | ed4bcf8 | 2017-05-24 00:10:59 +0530 | [diff] [blame] | 363 | QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR, |
| 364 | "Packet received with PN error"); |
Debashis Dutt | 390645c | 2016-10-04 17:31:45 -0700 | [diff] [blame] | 365 | |
Debashis Dutt | 390645c | 2016-10-04 17:31:45 -0700 | [diff] [blame] | 366 | /* No peer PN policy -- definitely drop */ |
| 367 | if (!peer_pn_policy) |
| 368 | rx_bufs_used = dp_rx_msdus_drop(soc, ring_desc, |
| 369 | mpdu_desc_info, |
Pamidipati, Vijay | b75e810 | 2018-11-05 12:41:18 +0530 | [diff] [blame] | 370 | mac_id, quota); |
Debashis Dutt | 390645c | 2016-10-04 17:31:45 -0700 | [diff] [blame] | 371 | |
| 372 | return rx_bufs_used; |
| 373 | } |
| 374 | |
| 375 | /** |
| 376 | * dp_rx_2k_jump_handle() - Handles Sequence Number Jump by 2K |
| 377 | * |
| 378 | * @soc: core txrx main context |
| 379 | * @ring_desc: opaque pointer to the REO error ring descriptor |
| 380 | * @mpdu_desc_info: MPDU descriptor information from ring descriptor |
| 381 | * @head: head of the local descriptor free-list |
| 382 | * @tail: tail of the local descriptor free-list |
| 383 | * @quota: No. of units (packets) that can be serviced in one shot. |
| 384 | * |
| 385 | * This function implements the error handling when sequence number |
| 386 | * of the MPDU jumps suddenly by 2K.Today there are 2 cases that |
| 387 | * need to be handled: |
| 388 | * A) CSN (Current Sequence Number) = Last Valid SN (LSN) + 2K |
| 389 | * B) CSN = LSN + 2K, but falls within a "BA sized window" of the SSN |
| 390 | * For case A) the protocol stack is invoked to generate DELBA/DEAUTH frame |
| 391 | * For case B), the frame is normally dropped, no more action is taken |
| 392 | * |
| 393 | * Return: uint32_t: No. of elements processed |
| 394 | */ |
Jeff Johnson | 8a4fd9b | 2017-01-05 16:33:40 -0800 | [diff] [blame] | 395 | static uint32_t |
Debashis Dutt | 390645c | 2016-10-04 17:31:45 -0700 | [diff] [blame] | 396 | dp_rx_2k_jump_handle(struct dp_soc *soc, void *ring_desc, |
| 397 | struct hal_rx_mpdu_desc_info *mpdu_desc_info, |
Pamidipati, Vijay | b75e810 | 2018-11-05 12:41:18 +0530 | [diff] [blame] | 398 | uint8_t *mac_id, uint32_t quota) |
Debashis Dutt | 390645c | 2016-10-04 17:31:45 -0700 | [diff] [blame] | 399 | { |
| 400 | return dp_rx_msdus_drop(soc, ring_desc, mpdu_desc_info, |
Pamidipati, Vijay | b75e810 | 2018-11-05 12:41:18 +0530 | [diff] [blame] | 401 | mac_id, quota); |
Debashis Dutt | 390645c | 2016-10-04 17:31:45 -0700 | [diff] [blame] | 402 | } |
| 403 | |
Jinwei Chen | 214590a | 2018-12-06 16:45:44 +0800 | [diff] [blame] | 404 | #ifdef CONFIG_MCL |
| 405 | #define DP_PDEV_INVALID_PEER_MSDU_CHECK(head, tail) \ |
| 406 | do { \ |
| 407 | qdf_assert_always(!(head)); \ |
| 408 | qdf_assert_always(!(tail)); \ |
| 409 | } while (0) |
| 410 | #else |
| 411 | #define DP_PDEV_INVALID_PEER_MSDU_CHECK(head, tail) /* no op */ |
| 412 | #endif |
| 413 | |
Tallapragada Kalyan | 084a46d | 2018-03-15 10:51:35 +0530 | [diff] [blame] | 414 | /** |
| 415 | * dp_rx_chain_msdus() - Function to chain all msdus of a mpdu |
| 416 | * to pdev invalid peer list |
| 417 | * |
| 418 | * @soc: core DP main context |
| 419 | * @nbuf: Buffer pointer |
| 420 | * @rx_tlv_hdr: start of rx tlv header |
| 421 | * @mac_id: mac id |
| 422 | * |
| 423 | * Return: bool: true for last msdu of mpdu |
| 424 | */ |
Pratik Gandhi | 3da3bc7 | 2017-03-16 18:20:22 +0530 | [diff] [blame] | 425 | static bool |
Tallapragada Kalyan | 9403463 | 2017-12-07 17:29:13 +0530 | [diff] [blame] | 426 | dp_rx_chain_msdus(struct dp_soc *soc, qdf_nbuf_t nbuf, uint8_t *rx_tlv_hdr, |
| 427 | uint8_t mac_id) |
Pratik Gandhi | 3da3bc7 | 2017-03-16 18:20:22 +0530 | [diff] [blame] | 428 | { |
| 429 | bool mpdu_done = false; |
Tallapragada Kalyan | 084a46d | 2018-03-15 10:51:35 +0530 | [diff] [blame] | 430 | qdf_nbuf_t curr_nbuf = NULL; |
| 431 | qdf_nbuf_t tmp_nbuf = NULL; |
Tallapragada Kalyan | 9403463 | 2017-12-07 17:29:13 +0530 | [diff] [blame] | 432 | |
Pratik Gandhi | 4fbe3fe | 2017-07-20 15:31:26 +0530 | [diff] [blame] | 433 | /* TODO: Currently only single radio is supported, hence |
| 434 | * pdev hard coded to '0' index |
| 435 | */ |
Pratik Gandhi | 7613908 | 2017-07-28 19:18:02 +0530 | [diff] [blame] | 436 | struct dp_pdev *dp_pdev = soc->pdev_list[mac_id]; |
Pratik Gandhi | 3da3bc7 | 2017-03-16 18:20:22 +0530 | [diff] [blame] | 437 | |
Tallapragada Kalyan | 7053951 | 2018-03-29 16:19:43 +0530 | [diff] [blame] | 438 | if (!dp_pdev->first_nbuf) { |
Tallapragada Kalyan | 9403463 | 2017-12-07 17:29:13 +0530 | [diff] [blame] | 439 | qdf_nbuf_set_rx_chfrag_start(nbuf, 1); |
Tallapragada Kalyan | 7053951 | 2018-03-29 16:19:43 +0530 | [diff] [blame] | 440 | dp_pdev->ppdu_id = HAL_RX_HW_DESC_GET_PPDUID_GET(rx_tlv_hdr); |
| 441 | dp_pdev->first_nbuf = true; |
Tallapragada Kalyan | 9403463 | 2017-12-07 17:29:13 +0530 | [diff] [blame] | 442 | |
Tallapragada Kalyan | 084a46d | 2018-03-15 10:51:35 +0530 | [diff] [blame] | 443 | /* If the new nbuf received is the first msdu of the |
| 444 | * amsdu and there are msdus in the invalid peer msdu |
| 445 | * list, then let us free all the msdus of the invalid |
| 446 | * peer msdu list. |
| 447 | * This scenario can happen when we start receiving |
| 448 | * new a-msdu even before the previous a-msdu is completely |
| 449 | * received. |
| 450 | */ |
| 451 | curr_nbuf = dp_pdev->invalid_peer_head_msdu; |
| 452 | while (curr_nbuf) { |
| 453 | tmp_nbuf = curr_nbuf->next; |
| 454 | qdf_nbuf_free(curr_nbuf); |
| 455 | curr_nbuf = tmp_nbuf; |
| 456 | } |
| 457 | |
Pratik Gandhi | 7613908 | 2017-07-28 19:18:02 +0530 | [diff] [blame] | 458 | dp_pdev->invalid_peer_head_msdu = NULL; |
| 459 | dp_pdev->invalid_peer_tail_msdu = NULL; |
Balamurugan Mahalingam | d015964 | 2018-07-11 15:02:29 +0530 | [diff] [blame] | 460 | hal_rx_mon_hw_desc_get_mpdu_status(soc->hal_soc, rx_tlv_hdr, |
Pratik Gandhi | 4fbe3fe | 2017-07-20 15:31:26 +0530 | [diff] [blame] | 461 | &(dp_pdev->ppdu_info.rx_status)); |
| 462 | |
Pratik Gandhi | 3da3bc7 | 2017-03-16 18:20:22 +0530 | [diff] [blame] | 463 | } |
| 464 | |
Tallapragada Kalyan | 7053951 | 2018-03-29 16:19:43 +0530 | [diff] [blame] | 465 | if (dp_pdev->ppdu_id == hal_rx_attn_phy_ppdu_id_get(rx_tlv_hdr) && |
| 466 | hal_rx_attn_msdu_done_get(rx_tlv_hdr)) { |
Tallapragada Kalyan | 9403463 | 2017-12-07 17:29:13 +0530 | [diff] [blame] | 467 | qdf_nbuf_set_rx_chfrag_end(nbuf, 1); |
Tallapragada Kalyan | 7053951 | 2018-03-29 16:19:43 +0530 | [diff] [blame] | 468 | qdf_assert_always(dp_pdev->first_nbuf == true); |
| 469 | dp_pdev->first_nbuf = false; |
Pratik Gandhi | 3da3bc7 | 2017-03-16 18:20:22 +0530 | [diff] [blame] | 470 | mpdu_done = true; |
| 471 | } |
| 472 | |
Jinwei Chen | 214590a | 2018-12-06 16:45:44 +0800 | [diff] [blame] | 473 | /* |
| 474 | * For MCL, invalid_peer_head_msdu and invalid_peer_tail_msdu |
| 475 | * should be NULL here, add the checking for debugging purpose |
| 476 | * in case some corner case. |
| 477 | */ |
| 478 | DP_PDEV_INVALID_PEER_MSDU_CHECK(dp_pdev->invalid_peer_head_msdu, |
| 479 | dp_pdev->invalid_peer_tail_msdu); |
Pratik Gandhi | 7613908 | 2017-07-28 19:18:02 +0530 | [diff] [blame] | 480 | DP_RX_LIST_APPEND(dp_pdev->invalid_peer_head_msdu, |
| 481 | dp_pdev->invalid_peer_tail_msdu, |
Pratik Gandhi | 3da3bc7 | 2017-03-16 18:20:22 +0530 | [diff] [blame] | 482 | nbuf); |
| 483 | |
| 484 | return mpdu_done; |
| 485 | } |
| 486 | |
Debashis Dutt | 390645c | 2016-10-04 17:31:45 -0700 | [diff] [blame] | 487 | /** |
sumedh baikady | df4a57c | 2018-04-08 22:19:22 -0700 | [diff] [blame] | 488 | * dp_2k_jump_handle() - Function to handle 2k jump exception |
| 489 | * on WBM ring |
| 490 | * |
| 491 | * @soc: core DP main context |
| 492 | * @nbuf: buffer pointer |
| 493 | * @rx_tlv_hdr: start of rx tlv header |
| 494 | * @peer_id: peer id of first msdu |
| 495 | * @tid: Tid for which exception occurred |
| 496 | * |
| 497 | * This function handles 2k jump violations arising out |
| 498 | * of receiving aggregates in non BA case. This typically |
| 499 | * may happen if aggregates are received on a QOS enabled TID |
| 500 | * while Rx window size is still initialized to value of 2. Or |
| 501 | * it may also happen if negotiated window size is 1 but peer |
| 502 | * sends aggregates. |
| 503 | * |
| 504 | */ |
| 505 | |
Aniruddha Paul | a2e7c93 | 2018-12-03 19:10:12 +0530 | [diff] [blame] | 506 | void |
sumedh baikady | df4a57c | 2018-04-08 22:19:22 -0700 | [diff] [blame] | 507 | dp_2k_jump_handle(struct dp_soc *soc, |
| 508 | qdf_nbuf_t nbuf, |
| 509 | uint8_t *rx_tlv_hdr, |
| 510 | uint16_t peer_id, |
| 511 | uint8_t tid) |
| 512 | { |
| 513 | uint32_t ppdu_id; |
| 514 | struct dp_peer *peer = NULL; |
| 515 | struct dp_rx_tid *rx_tid = NULL; |
| 516 | |
| 517 | peer = dp_peer_find_by_id(soc, peer_id); |
| 518 | if (!peer || peer->delete_in_progress) { |
| 519 | QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR, |
| 520 | "peer not found"); |
| 521 | goto free_nbuf; |
| 522 | } |
| 523 | rx_tid = &peer->rx_tid[tid]; |
Jeff Johnson | a8edf33 | 2019-03-18 09:51:52 -0700 | [diff] [blame] | 524 | if (qdf_unlikely(!rx_tid)) { |
sumedh baikady | df4a57c | 2018-04-08 22:19:22 -0700 | [diff] [blame] | 525 | QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR, |
| 526 | "rx_tid is NULL!!"); |
| 527 | goto free_nbuf; |
| 528 | } |
| 529 | qdf_spin_lock_bh(&rx_tid->tid_lock); |
| 530 | ppdu_id = hal_rx_attn_phy_ppdu_id_get(rx_tlv_hdr); |
Prathyusha Guduri | 9e4bb95 | 2019-03-15 17:41:19 +0530 | [diff] [blame] | 531 | |
| 532 | /* |
| 533 | * If BA session is created and a non-aggregate packet is |
| 534 | * landing here then the issue is with sequence number mismatch. |
| 535 | * Proceed with delba even in that case |
| 536 | */ |
| 537 | if (rx_tid->ppdu_id_2k != ppdu_id && |
| 538 | rx_tid->ba_status != DP_RX_BA_ACTIVE) { |
sumedh baikady | df4a57c | 2018-04-08 22:19:22 -0700 | [diff] [blame] | 539 | rx_tid->ppdu_id_2k = ppdu_id; |
| 540 | qdf_spin_unlock_bh(&rx_tid->tid_lock); |
| 541 | goto free_nbuf; |
| 542 | } |
| 543 | if (!rx_tid->delba_tx_status) { |
| 544 | rx_tid->delba_tx_retry++; |
| 545 | rx_tid->delba_tx_status = 1; |
sumedh baikady | faadbb6 | 2018-08-21 21:13:42 -0700 | [diff] [blame] | 546 | rx_tid->delba_rcode = |
| 547 | IEEE80211_REASON_QOS_SETUP_REQUIRED; |
sumedh baikady | df4a57c | 2018-04-08 22:19:22 -0700 | [diff] [blame] | 548 | qdf_spin_unlock_bh(&rx_tid->tid_lock); |
| 549 | soc->cdp_soc.ol_ops->send_delba(peer->vdev->pdev->ctrl_pdev, |
| 550 | peer->ctrl_peer, |
| 551 | peer->mac_addr.raw, |
| 552 | tid, |
sumedh baikady | faadbb6 | 2018-08-21 21:13:42 -0700 | [diff] [blame] | 553 | peer->vdev->ctrl_vdev, |
| 554 | rx_tid->delba_rcode); |
sumedh baikady | df4a57c | 2018-04-08 22:19:22 -0700 | [diff] [blame] | 555 | } else { |
| 556 | qdf_spin_unlock_bh(&rx_tid->tid_lock); |
| 557 | } |
| 558 | |
| 559 | free_nbuf: |
Aniruddha Paul | a2e7c93 | 2018-12-03 19:10:12 +0530 | [diff] [blame] | 560 | if (peer) |
| 561 | dp_peer_unref_del_find_by_id(peer); |
sumedh baikady | df4a57c | 2018-04-08 22:19:22 -0700 | [diff] [blame] | 562 | qdf_nbuf_free(nbuf); |
| 563 | return; |
| 564 | } |
| 565 | |
Krunal Soni | 53add65 | 2018-10-05 22:42:35 -0700 | [diff] [blame] | 566 | #ifdef QCA_WIFI_QCA6390 |
| 567 | /** |
| 568 | * dp_rx_null_q_handle_invalid_peer_id_exception() - to find exception |
| 569 | * @soc: pointer to dp_soc struct |
| 570 | * @pool_id: Pool id to find dp_pdev |
| 571 | * @rx_tlv_hdr: TLV header of received packet |
| 572 | * @nbuf: SKB |
| 573 | * |
| 574 | * In certain types of packets if peer_id is not correct then |
| 575 | * driver may not be able find. Try finding peer by addr_2 of |
| 576 | * received MPDU. If you find the peer then most likely sw_peer_id & |
| 577 | * ast_idx is corrupted. |
| 578 | * |
| 579 | * Return: True if you find the peer by addr_2 of received MPDU else false |
| 580 | */ |
| 581 | static bool |
| 582 | dp_rx_null_q_handle_invalid_peer_id_exception(struct dp_soc *soc, |
| 583 | uint8_t pool_id, |
| 584 | uint8_t *rx_tlv_hdr, |
| 585 | qdf_nbuf_t nbuf) |
| 586 | { |
| 587 | uint8_t local_id; |
| 588 | struct dp_peer *peer = NULL; |
| 589 | uint8_t *rx_pkt_hdr = hal_rx_pkt_hdr_get(rx_tlv_hdr); |
| 590 | struct dp_pdev *pdev = soc->pdev_list[pool_id]; |
| 591 | struct ieee80211_frame *wh = (struct ieee80211_frame *)rx_pkt_hdr; |
| 592 | |
| 593 | /* |
| 594 | * WAR- In certain types of packets if peer_id is not correct then |
| 595 | * driver may not be able find. Try finding peer by addr_2 of |
| 596 | * received MPDU |
| 597 | */ |
| 598 | if (wh) |
| 599 | peer = dp_find_peer_by_addr((struct cdp_pdev *)pdev, |
| 600 | wh->i_addr2, &local_id); |
| 601 | if (peer) { |
Krunal Soni | c96a116 | 2019-02-21 11:33:26 -0800 | [diff] [blame] | 602 | dp_verbose_debug("MPDU sw_peer_id & ast_idx is corrupted"); |
Krunal Soni | 53add65 | 2018-10-05 22:42:35 -0700 | [diff] [blame] | 603 | hal_rx_dump_pkt_tlvs(soc->hal_soc, rx_tlv_hdr, |
Jinwei Chen | 2f79dd9 | 2019-03-27 10:34:18 +0800 | [diff] [blame] | 604 | QDF_TRACE_LEVEL_DEBUG); |
Krunal Soni | 53add65 | 2018-10-05 22:42:35 -0700 | [diff] [blame] | 605 | DP_STATS_INC_PKT(soc, rx.err.rx_invalid_peer_id, |
| 606 | 1, qdf_nbuf_len(nbuf)); |
| 607 | qdf_nbuf_free(nbuf); |
| 608 | |
| 609 | return true; |
| 610 | } |
| 611 | return false; |
| 612 | } |
Mohit Khanna | f085b61 | 2019-04-02 14:43:10 -0700 | [diff] [blame] | 613 | |
| 614 | /** |
| 615 | * dp_rx_null_q_check_pkt_len_exception() - Check for pktlen validity |
| 616 | * @soc: DP SOC context |
| 617 | * @pkt_len: computed length of the pkt from caller in bytes |
| 618 | * |
| 619 | * Return: true if pktlen > RX_BUFFER_SIZE, else return false |
| 620 | * |
| 621 | */ |
| 622 | static inline |
| 623 | bool dp_rx_null_q_check_pkt_len_exception(struct dp_soc *soc, uint32_t pkt_len) |
| 624 | { |
| 625 | if (qdf_unlikely(pkt_len > RX_BUFFER_SIZE)) { |
| 626 | DP_STATS_INC_PKT(soc, rx.err.rx_invalid_pkt_len, |
| 627 | 1, pkt_len); |
| 628 | return true; |
| 629 | } else { |
| 630 | return false; |
| 631 | } |
| 632 | } |
| 633 | |
Krunal Soni | 53add65 | 2018-10-05 22:42:35 -0700 | [diff] [blame] | 634 | #else |
| 635 | static inline bool |
| 636 | dp_rx_null_q_handle_invalid_peer_id_exception(struct dp_soc *soc, |
| 637 | uint8_t pool_id, |
| 638 | uint8_t *rx_tlv_hdr, |
| 639 | qdf_nbuf_t nbuf) |
| 640 | { |
| 641 | return false; |
| 642 | } |
Mohit Khanna | f085b61 | 2019-04-02 14:43:10 -0700 | [diff] [blame] | 643 | |
| 644 | static inline |
| 645 | bool dp_rx_null_q_check_pkt_len_exception(struct dp_soc *soc, uint32_t pkt_len) |
| 646 | { |
| 647 | return false; |
| 648 | } |
| 649 | |
Krunal Soni | 53add65 | 2018-10-05 22:42:35 -0700 | [diff] [blame] | 650 | #endif |
| 651 | |
sumedh baikady | df4a57c | 2018-04-08 22:19:22 -0700 | [diff] [blame] | 652 | /** |
Tallapragada Kalyan | 084a46d | 2018-03-15 10:51:35 +0530 | [diff] [blame] | 653 | * dp_rx_null_q_desc_handle() - Function to handle NULL Queue |
| 654 | * descriptor violation on either a |
| 655 | * REO or WBM ring |
| 656 | * |
| 657 | * @soc: core DP main context |
| 658 | * @nbuf: buffer pointer |
| 659 | * @rx_tlv_hdr: start of rx tlv header |
| 660 | * @pool_id: mac id |
Sravan Kumar Kairam | 26d471e | 2018-08-14 23:51:58 +0530 | [diff] [blame] | 661 | * @peer: peer handle |
Tallapragada Kalyan | 084a46d | 2018-03-15 10:51:35 +0530 | [diff] [blame] | 662 | * |
| 663 | * This function handles NULL queue descriptor violations arising out |
| 664 | * a missing REO queue for a given peer or a given TID. This typically |
| 665 | * may happen if a packet is received on a QOS enabled TID before the |
| 666 | * ADDBA negotiation for that TID, when the TID queue is setup. Or |
| 667 | * it may also happen for MC/BC frames if they are not routed to the |
| 668 | * non-QOS TID queue, in the absence of any other default TID queue. |
| 669 | * This error can show up both in a REO destination or WBM release ring. |
| 670 | * |
Mohit Khanna | f085b61 | 2019-04-02 14:43:10 -0700 | [diff] [blame] | 671 | * Return: QDF_STATUS_SUCCESS, if nbuf handled successfully. QDF status code |
| 672 | * if nbuf could not be handled or dropped. |
Tallapragada Kalyan | 084a46d | 2018-03-15 10:51:35 +0530 | [diff] [blame] | 673 | */ |
Mohit Khanna | f085b61 | 2019-04-02 14:43:10 -0700 | [diff] [blame] | 674 | static QDF_STATUS |
Sravan Kumar Kairam | 26d471e | 2018-08-14 23:51:58 +0530 | [diff] [blame] | 675 | dp_rx_null_q_desc_handle(struct dp_soc *soc, qdf_nbuf_t nbuf, |
| 676 | uint8_t *rx_tlv_hdr, uint8_t pool_id, |
| 677 | struct dp_peer *peer) |
Tallapragada Kalyan | 1ef5480 | 2016-11-30 12:54:55 +0530 | [diff] [blame] | 678 | { |
Tallapragada Kalyan | 1ef5480 | 2016-11-30 12:54:55 +0530 | [diff] [blame] | 679 | uint32_t pkt_len, l2_hdr_offset; |
| 680 | uint16_t msdu_len; |
Tallapragada Kalyan | aae8c41 | 2017-02-13 12:00:17 +0530 | [diff] [blame] | 681 | struct dp_vdev *vdev; |
Tallapragada Kalyan | 9403463 | 2017-12-07 17:29:13 +0530 | [diff] [blame] | 682 | uint8_t tid; |
Srinivas Girigowda | 03bd4b6 | 2019-02-25 10:57:08 -0800 | [diff] [blame] | 683 | qdf_ether_header_t *eh; |
Pratik Gandhi | 7613908 | 2017-07-28 19:18:02 +0530 | [diff] [blame] | 684 | |
Tallapragada Kalyan | c5ac638 | 2017-12-11 15:40:04 +0530 | [diff] [blame] | 685 | qdf_nbuf_set_rx_chfrag_start(nbuf, |
Tallapragada Kalyan | 7147b3c | 2019-03-27 18:40:27 +0530 | [diff] [blame] | 686 | hal_rx_msdu_end_first_msdu_get(rx_tlv_hdr)); |
Tallapragada Kalyan | c5ac638 | 2017-12-11 15:40:04 +0530 | [diff] [blame] | 687 | qdf_nbuf_set_rx_chfrag_end(nbuf, |
Tallapragada Kalyan | 7147b3c | 2019-03-27 18:40:27 +0530 | [diff] [blame] | 688 | hal_rx_msdu_end_last_msdu_get(rx_tlv_hdr)); |
| 689 | qdf_nbuf_set_da_mcbc(nbuf, hal_rx_msdu_end_da_is_mcbc_get(rx_tlv_hdr)); |
| 690 | qdf_nbuf_set_da_valid(nbuf, |
| 691 | hal_rx_msdu_end_da_is_valid_get(rx_tlv_hdr)); |
| 692 | qdf_nbuf_set_sa_valid(nbuf, |
| 693 | hal_rx_msdu_end_sa_is_valid_get(rx_tlv_hdr)); |
Tallapragada Kalyan | c5ac638 | 2017-12-11 15:40:04 +0530 | [diff] [blame] | 694 | |
Tallapragada Kalyan | 9403463 | 2017-12-07 17:29:13 +0530 | [diff] [blame] | 695 | l2_hdr_offset = hal_rx_msdu_end_l3_hdr_padding_get(rx_tlv_hdr); |
| 696 | msdu_len = hal_rx_msdu_start_msdu_len_get(rx_tlv_hdr); |
Tallapragada Kalyan | 1ef5480 | 2016-11-30 12:54:55 +0530 | [diff] [blame] | 697 | pkt_len = msdu_len + l2_hdr_offset + RX_PKT_TLVS_LEN; |
| 698 | |
Tallapragada Kalyan | 7147b3c | 2019-03-27 18:40:27 +0530 | [diff] [blame] | 699 | if (qdf_likely(!qdf_nbuf_is_frag(nbuf))) { |
Mohit Khanna | f085b61 | 2019-04-02 14:43:10 -0700 | [diff] [blame] | 700 | if (dp_rx_null_q_check_pkt_len_exception(soc, pkt_len)) |
| 701 | goto drop_nbuf; |
| 702 | |
| 703 | /* Set length in nbuf */ |
| 704 | qdf_nbuf_set_pktlen(nbuf, |
| 705 | qdf_min(pkt_len, (uint32_t)RX_BUFFER_SIZE)); |
| 706 | qdf_assert_always(nbuf->data == rx_tlv_hdr); |
| 707 | } |
| 708 | |
Tallapragada Kalyan | 1ef5480 | 2016-11-30 12:54:55 +0530 | [diff] [blame] | 709 | /* |
| 710 | * Check if DMA completed -- msdu_done is the last bit |
| 711 | * to be written |
| 712 | */ |
Tallapragada Kalyan | 9403463 | 2017-12-07 17:29:13 +0530 | [diff] [blame] | 713 | if (!hal_rx_attn_msdu_done_get(rx_tlv_hdr)) { |
Tallapragada Kalyan | 1ef5480 | 2016-11-30 12:54:55 +0530 | [diff] [blame] | 714 | |
Mohit Khanna | f085b61 | 2019-04-02 14:43:10 -0700 | [diff] [blame] | 715 | dp_err_rl("MSDU DONE failure"); |
Balamurugan Mahalingam | d015964 | 2018-07-11 15:02:29 +0530 | [diff] [blame] | 716 | hal_rx_dump_pkt_tlvs(soc->hal_soc, rx_tlv_hdr, |
| 717 | QDF_TRACE_LEVEL_INFO); |
Tallapragada Kalyan | 1ef5480 | 2016-11-30 12:54:55 +0530 | [diff] [blame] | 718 | qdf_assert(0); |
| 719 | } |
| 720 | |
Krunal Soni | 53add65 | 2018-10-05 22:42:35 -0700 | [diff] [blame] | 721 | if (!peer && |
| 722 | dp_rx_null_q_handle_invalid_peer_id_exception(soc, pool_id, |
| 723 | rx_tlv_hdr, nbuf)) |
Mohit Khanna | f085b61 | 2019-04-02 14:43:10 -0700 | [diff] [blame] | 724 | return QDF_STATUS_E_FAILURE; |
Krunal Soni | 53add65 | 2018-10-05 22:42:35 -0700 | [diff] [blame] | 725 | |
Tallapragada Kalyan | aae8c41 | 2017-02-13 12:00:17 +0530 | [diff] [blame] | 726 | if (!peer) { |
Pratik Gandhi | 3da3bc7 | 2017-03-16 18:20:22 +0530 | [diff] [blame] | 727 | bool mpdu_done = false; |
Tallapragada Kalyan | 084a46d | 2018-03-15 10:51:35 +0530 | [diff] [blame] | 728 | struct dp_pdev *pdev = soc->pdev_list[pool_id]; |
Pratik Gandhi | 3da3bc7 | 2017-03-16 18:20:22 +0530 | [diff] [blame] | 729 | |
Mohit Khanna | f085b61 | 2019-04-02 14:43:10 -0700 | [diff] [blame] | 730 | dp_err_rl("peer is NULL"); |
| 731 | DP_STATS_INC_PKT(soc, rx.err.rx_invalid_peer, 1, |
Tallapragada Kalyan | 5deeef2 | 2018-08-24 18:19:41 +0530 | [diff] [blame] | 732 | qdf_nbuf_len(nbuf)); |
| 733 | |
Tallapragada Kalyan | 9403463 | 2017-12-07 17:29:13 +0530 | [diff] [blame] | 734 | mpdu_done = dp_rx_chain_msdus(soc, nbuf, rx_tlv_hdr, pool_id); |
chenguo | 91c9010 | 2017-12-12 16:16:37 +0800 | [diff] [blame] | 735 | /* Trigger invalid peer handler wrapper */ |
nobelj | 7dfc8cc | 2019-03-06 18:25:56 -0800 | [diff] [blame] | 736 | dp_rx_process_invalid_peer_wrapper(soc, |
| 737 | pdev->invalid_peer_head_msdu, |
| 738 | mpdu_done); |
Pratik Gandhi | 3da3bc7 | 2017-03-16 18:20:22 +0530 | [diff] [blame] | 739 | |
Tallapragada Kalyan | 084a46d | 2018-03-15 10:51:35 +0530 | [diff] [blame] | 740 | if (mpdu_done) { |
| 741 | pdev->invalid_peer_head_msdu = NULL; |
| 742 | pdev->invalid_peer_tail_msdu = NULL; |
| 743 | } |
Mohit Khanna | f085b61 | 2019-04-02 14:43:10 -0700 | [diff] [blame] | 744 | return QDF_STATUS_E_FAILURE; |
Tallapragada Kalyan | aae8c41 | 2017-02-13 12:00:17 +0530 | [diff] [blame] | 745 | } |
| 746 | |
Tallapragada Kalyan | 3a0005c | 2017-03-10 15:22:57 +0530 | [diff] [blame] | 747 | vdev = peer->vdev; |
| 748 | if (!vdev) { |
Mohit Khanna | f085b61 | 2019-04-02 14:43:10 -0700 | [diff] [blame] | 749 | dp_err_rl("Null vdev!"); |
Tallapragada Kalyan | 3a0005c | 2017-03-10 15:22:57 +0530 | [diff] [blame] | 750 | DP_STATS_INC(soc, rx.err.invalid_vdev, 1); |
Mohit Khanna | f085b61 | 2019-04-02 14:43:10 -0700 | [diff] [blame] | 751 | goto drop_nbuf; |
Tallapragada Kalyan | 3a0005c | 2017-03-10 15:22:57 +0530 | [diff] [blame] | 752 | } |
| 753 | |
Tallapragada Kalyan | 1ef5480 | 2016-11-30 12:54:55 +0530 | [diff] [blame] | 754 | /* |
| 755 | * Advance the packet start pointer by total size of |
| 756 | * pre-header TLV's |
| 757 | */ |
Tallapragada Kalyan | 7147b3c | 2019-03-27 18:40:27 +0530 | [diff] [blame] | 758 | if (qdf_nbuf_is_frag(nbuf)) |
Pramod Simha | 21e69f5 | 2018-07-03 16:45:00 -0700 | [diff] [blame] | 759 | qdf_nbuf_pull_head(nbuf, RX_PKT_TLVS_LEN); |
| 760 | else |
| 761 | qdf_nbuf_pull_head(nbuf, (l2_hdr_offset + RX_PKT_TLVS_LEN)); |
Tallapragada Kalyan | 1ef5480 | 2016-11-30 12:54:55 +0530 | [diff] [blame] | 762 | |
Tallapragada Kalyan | 9403463 | 2017-12-07 17:29:13 +0530 | [diff] [blame] | 763 | if (dp_rx_mcast_echo_check(soc, peer, rx_tlv_hdr, nbuf)) { |
| 764 | /* this is a looped back MCBC pkt, drop it */ |
Tallapragada Kalyan | 5deeef2 | 2018-08-24 18:19:41 +0530 | [diff] [blame] | 765 | DP_STATS_INC_PKT(peer, rx.mec_drop, 1, qdf_nbuf_len(nbuf)); |
Mohit Khanna | f085b61 | 2019-04-02 14:43:10 -0700 | [diff] [blame] | 766 | goto drop_nbuf; |
Tallapragada Kalyan | 71cc01b | 2017-08-23 12:47:06 +0530 | [diff] [blame] | 767 | } |
Mohit Khanna | f085b61 | 2019-04-02 14:43:10 -0700 | [diff] [blame] | 768 | |
Nandha Kishore Easwaran | 47e7416 | 2017-12-12 11:54:01 +0530 | [diff] [blame] | 769 | /* |
| 770 | * In qwrap mode if the received packet matches with any of the vdev |
| 771 | * mac addresses, drop it. Donot receive multicast packets originated |
| 772 | * from any proxysta. |
| 773 | */ |
| 774 | if (check_qwrap_multicast_loopback(vdev, nbuf)) { |
Tallapragada Kalyan | 5deeef2 | 2018-08-24 18:19:41 +0530 | [diff] [blame] | 775 | DP_STATS_INC_PKT(peer, rx.mec_drop, 1, qdf_nbuf_len(nbuf)); |
Mohit Khanna | f085b61 | 2019-04-02 14:43:10 -0700 | [diff] [blame] | 776 | goto drop_nbuf; |
Nandha Kishore Easwaran | 47e7416 | 2017-12-12 11:54:01 +0530 | [diff] [blame] | 777 | } |
| 778 | |
Tallapragada Kalyan | 71cc01b | 2017-08-23 12:47:06 +0530 | [diff] [blame] | 779 | |
Ruchi, Agrawal | bd894b3 | 2017-11-03 17:24:56 +0530 | [diff] [blame] | 780 | if (qdf_unlikely((peer->nawds_enabled == true) && |
Tallapragada Kalyan | 9403463 | 2017-12-07 17:29:13 +0530 | [diff] [blame] | 781 | hal_rx_msdu_end_da_is_mcbc_get(rx_tlv_hdr))) { |
Mohit Khanna | f085b61 | 2019-04-02 14:43:10 -0700 | [diff] [blame] | 782 | dp_err_rl("free buffer for multicast packet"); |
Ruchi, Agrawal | 2755048 | 2018-02-20 19:43:41 +0530 | [diff] [blame] | 783 | DP_STATS_INC(peer, rx.nawds_mcast_drop, 1); |
Mohit Khanna | f085b61 | 2019-04-02 14:43:10 -0700 | [diff] [blame] | 784 | goto drop_nbuf; |
Ruchi, Agrawal | bd894b3 | 2017-11-03 17:24:56 +0530 | [diff] [blame] | 785 | } |
| 786 | |
Tallapragada Kalyan | 7147b3c | 2019-03-27 18:40:27 +0530 | [diff] [blame] | 787 | if (!dp_wds_rx_policy_check(rx_tlv_hdr, vdev, peer)) { |
Mohit Khanna | f085b61 | 2019-04-02 14:43:10 -0700 | [diff] [blame] | 788 | dp_err_rl("mcast Policy Check Drop pkt"); |
| 789 | goto drop_nbuf; |
Tallapragada Kalyan | 2a5fc62 | 2017-12-08 21:07:43 +0530 | [diff] [blame] | 790 | } |
Tallapragada Kalyan | 274eb9e | 2017-05-16 18:59:10 +0530 | [diff] [blame] | 791 | /* WDS Source Port Learning */ |
Pamidipati, Vijay | d3478ef | 2018-02-06 23:52:29 +0530 | [diff] [blame] | 792 | if (qdf_likely(vdev->rx_decap_type == htt_cmn_pkt_type_ethernet && |
| 793 | vdev->wds_enabled)) |
Tallapragada Kalyan | 9403463 | 2017-12-07 17:29:13 +0530 | [diff] [blame] | 794 | dp_rx_wds_srcport_learn(soc, rx_tlv_hdr, peer, nbuf); |
Tallapragada Kalyan | 274eb9e | 2017-05-16 18:59:10 +0530 | [diff] [blame] | 795 | |
Tallapragada Kalyan | 9403463 | 2017-12-07 17:29:13 +0530 | [diff] [blame] | 796 | if (hal_rx_mpdu_start_mpdu_qos_control_valid_get(rx_tlv_hdr)) { |
Karunakar Dasineni | a0f09ea | 2016-11-21 17:41:31 -0800 | [diff] [blame] | 797 | /* TODO: Assuming that qos_control_valid also indicates |
| 798 | * unicast. Should we check this? |
| 799 | */ |
Balamurugan Mahalingam | d015964 | 2018-07-11 15:02:29 +0530 | [diff] [blame] | 800 | tid = hal_rx_mpdu_start_tid_get(soc->hal_soc, rx_tlv_hdr); |
Tallapragada Kalyan | 8c93d5d | 2018-05-28 05:02:53 +0530 | [diff] [blame] | 801 | if (peer && !peer->rx_tid[tid].hw_qdesc_vaddr_unaligned) { |
Karunakar Dasineni | a0f09ea | 2016-11-21 17:41:31 -0800 | [diff] [blame] | 802 | /* IEEE80211_SEQ_MAX indicates invalid start_seq */ |
| 803 | dp_rx_tid_setup_wifi3(peer, tid, 1, IEEE80211_SEQ_MAX); |
| 804 | } |
| 805 | } |
| 806 | |
Tallapragada Kalyan | 3a0005c | 2017-03-10 15:22:57 +0530 | [diff] [blame] | 807 | if (qdf_unlikely(vdev->rx_decap_type == htt_cmn_pkt_type_raw)) { |
Tallapragada Kalyan | aae8c41 | 2017-02-13 12:00:17 +0530 | [diff] [blame] | 808 | qdf_nbuf_set_next(nbuf, NULL); |
Pamidipati, Vijay | eb8a92c | 2017-05-01 00:55:56 +0530 | [diff] [blame] | 809 | dp_rx_deliver_raw(vdev, nbuf, peer); |
Tallapragada Kalyan | 1ef5480 | 2016-11-30 12:54:55 +0530 | [diff] [blame] | 810 | } else { |
Tallapragada Kalyan | 3a0005c | 2017-03-10 15:22:57 +0530 | [diff] [blame] | 811 | if (vdev->osif_rx) { |
Tallapragada Kalyan | 3a0005c | 2017-03-10 15:22:57 +0530 | [diff] [blame] | 812 | qdf_nbuf_set_next(nbuf, NULL); |
Amir Patel | 3217ade | 2018-09-07 12:21:35 +0530 | [diff] [blame] | 813 | DP_STATS_INC_PKT(peer, rx.to_stack, 1, |
| 814 | qdf_nbuf_len(nbuf)); |
Neil Zhao | fca0919 | 2018-11-27 15:16:19 -0800 | [diff] [blame] | 815 | |
Karunakar Dasineni | 142f9ba | 2019-03-19 23:04:59 -0700 | [diff] [blame] | 816 | /* |
| 817 | * Update the protocol tag in SKB based on |
| 818 | * CCE metadata |
| 819 | */ |
Karunakar Dasineni | d8c7ad2 | 2019-04-18 18:15:02 -0700 | [diff] [blame] | 820 | dp_rx_update_protocol_tag(soc, vdev, nbuf, rx_tlv_hdr, |
| 821 | EXCEPTION_DEST_RING_ID, |
| 822 | true, true); |
Karunakar Dasineni | 142f9ba | 2019-03-19 23:04:59 -0700 | [diff] [blame] | 823 | |
Amir Patel | 3217ade | 2018-09-07 12:21:35 +0530 | [diff] [blame] | 824 | if (qdf_unlikely(hal_rx_msdu_end_da_is_mcbc_get( |
| 825 | rx_tlv_hdr) && |
| 826 | (vdev->rx_decap_type == |
| 827 | htt_cmn_pkt_type_ethernet))) { |
Srinivas Girigowda | 03bd4b6 | 2019-02-25 10:57:08 -0800 | [diff] [blame] | 828 | eh = (qdf_ether_header_t *)qdf_nbuf_data(nbuf); |
Amir Patel | 3217ade | 2018-09-07 12:21:35 +0530 | [diff] [blame] | 829 | |
| 830 | DP_STATS_INC_PKT(peer, rx.multicast, 1, |
| 831 | qdf_nbuf_len(nbuf)); |
Srinivas Girigowda | 7950297 | 2019-02-11 12:25:12 -0800 | [diff] [blame] | 832 | if (QDF_IS_ADDR_BROADCAST(eh->ether_dhost)) { |
Amir Patel | 3217ade | 2018-09-07 12:21:35 +0530 | [diff] [blame] | 833 | DP_STATS_INC_PKT(peer, rx.bcast, 1, |
| 834 | qdf_nbuf_len(nbuf)); |
| 835 | } |
| 836 | } |
Neil Zhao | fca0919 | 2018-11-27 15:16:19 -0800 | [diff] [blame] | 837 | |
| 838 | vdev->osif_rx(vdev->osif_vdev, nbuf); |
| 839 | |
Tallapragada Kalyan | 3a0005c | 2017-03-10 15:22:57 +0530 | [diff] [blame] | 840 | } else { |
Mohit Khanna | f085b61 | 2019-04-02 14:43:10 -0700 | [diff] [blame] | 841 | dp_err_rl("INVALID osif_rx. vdev %pK", vdev); |
Tallapragada Kalyan | 3a0005c | 2017-03-10 15:22:57 +0530 | [diff] [blame] | 842 | DP_STATS_INC(soc, rx.err.invalid_vdev, 1); |
Mohit Khanna | f085b61 | 2019-04-02 14:43:10 -0700 | [diff] [blame] | 843 | goto drop_nbuf; |
Tallapragada Kalyan | 3a0005c | 2017-03-10 15:22:57 +0530 | [diff] [blame] | 844 | } |
| 845 | } |
Mohit Khanna | f085b61 | 2019-04-02 14:43:10 -0700 | [diff] [blame] | 846 | return QDF_STATUS_SUCCESS; |
| 847 | |
| 848 | drop_nbuf: |
| 849 | qdf_nbuf_free(nbuf); |
| 850 | return QDF_STATUS_E_FAILURE; |
Tallapragada Kalyan | 1ef5480 | 2016-11-30 12:54:55 +0530 | [diff] [blame] | 851 | } |
| 852 | |
| 853 | /** |
sumedh baikady | c2fa7c9 | 2018-12-28 15:26:08 -0800 | [diff] [blame] | 854 | * dp_rx_process_rxdma_err() - Function to deliver rxdma unencrypted_err |
| 855 | * frames to OS or wifi parse errors. |
Sravan Kumar Kairam | 26d471e | 2018-08-14 23:51:58 +0530 | [diff] [blame] | 856 | * @soc: core DP main context |
| 857 | * @nbuf: buffer pointer |
| 858 | * @rx_tlv_hdr: start of rx tlv header |
| 859 | * @peer: peer reference |
sumedh baikady | c2fa7c9 | 2018-12-28 15:26:08 -0800 | [diff] [blame] | 860 | * @err_code: rxdma err code |
Sravan Kumar Kairam | 26d471e | 2018-08-14 23:51:58 +0530 | [diff] [blame] | 861 | * |
| 862 | * Return: None |
| 863 | */ |
sumedh baikady | c2fa7c9 | 2018-12-28 15:26:08 -0800 | [diff] [blame] | 864 | void |
| 865 | dp_rx_process_rxdma_err(struct dp_soc *soc, qdf_nbuf_t nbuf, |
| 866 | uint8_t *rx_tlv_hdr, struct dp_peer *peer, |
| 867 | uint8_t err_code) |
Pamidipati, Vijay | eb8a92c | 2017-05-01 00:55:56 +0530 | [diff] [blame] | 868 | { |
Pamidipati, Vijay | eb8a92c | 2017-05-01 00:55:56 +0530 | [diff] [blame] | 869 | uint32_t pkt_len, l2_hdr_offset; |
| 870 | uint16_t msdu_len; |
Pamidipati, Vijay | eb8a92c | 2017-05-01 00:55:56 +0530 | [diff] [blame] | 871 | struct dp_vdev *vdev; |
Srinivas Girigowda | 03bd4b6 | 2019-02-25 10:57:08 -0800 | [diff] [blame] | 872 | qdf_ether_header_t *eh; |
Gurumoorthi Gnanasambandhan | e1334b3 | 2018-12-07 12:14:17 +0530 | [diff] [blame] | 873 | bool is_broadcast; |
Pamidipati, Vijay | eb8a92c | 2017-05-01 00:55:56 +0530 | [diff] [blame] | 874 | |
Pamidipati, Vijay | eb8a92c | 2017-05-01 00:55:56 +0530 | [diff] [blame] | 875 | /* |
| 876 | * Check if DMA completed -- msdu_done is the last bit |
| 877 | * to be written |
| 878 | */ |
Tallapragada Kalyan | 9403463 | 2017-12-07 17:29:13 +0530 | [diff] [blame] | 879 | if (!hal_rx_attn_msdu_done_get(rx_tlv_hdr)) { |
Pamidipati, Vijay | eb8a92c | 2017-05-01 00:55:56 +0530 | [diff] [blame] | 880 | |
| 881 | QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR, |
| 882 | FL("MSDU DONE failure")); |
| 883 | |
Balamurugan Mahalingam | d015964 | 2018-07-11 15:02:29 +0530 | [diff] [blame] | 884 | hal_rx_dump_pkt_tlvs(soc->hal_soc, rx_tlv_hdr, |
| 885 | QDF_TRACE_LEVEL_INFO); |
Pamidipati, Vijay | eb8a92c | 2017-05-01 00:55:56 +0530 | [diff] [blame] | 886 | qdf_assert(0); |
| 887 | } |
| 888 | |
Gurumoorthi Gnanasambandhan | 8387311 | 2018-03-15 14:42:51 +0530 | [diff] [blame] | 889 | l2_hdr_offset = hal_rx_msdu_end_l3_hdr_padding_get(rx_tlv_hdr); |
| 890 | msdu_len = hal_rx_msdu_start_msdu_len_get(rx_tlv_hdr); |
| 891 | pkt_len = msdu_len + l2_hdr_offset + RX_PKT_TLVS_LEN; |
| 892 | |
| 893 | /* Set length in nbuf */ |
| 894 | qdf_nbuf_set_pktlen(nbuf, pkt_len); |
| 895 | |
| 896 | qdf_nbuf_set_next(nbuf, NULL); |
| 897 | |
| 898 | qdf_nbuf_set_rx_chfrag_start(nbuf, 1); |
| 899 | qdf_nbuf_set_rx_chfrag_end(nbuf, 1); |
| 900 | |
Pamidipati, Vijay | eb8a92c | 2017-05-01 00:55:56 +0530 | [diff] [blame] | 901 | if (!peer) { |
Jinwei Chen | a1f5304 | 2018-08-29 15:54:29 +0800 | [diff] [blame] | 902 | QDF_TRACE_ERROR_RL(QDF_MODULE_ID_DP, "peer is NULL"); |
Pamidipati, Vijay | eb8a92c | 2017-05-01 00:55:56 +0530 | [diff] [blame] | 903 | DP_STATS_INC_PKT(soc, rx.err.rx_invalid_peer, 1, |
| 904 | qdf_nbuf_len(nbuf)); |
Gurumoorthi Gnanasambandhan | 8387311 | 2018-03-15 14:42:51 +0530 | [diff] [blame] | 905 | /* Trigger invalid peer handler wrapper */ |
| 906 | dp_rx_process_invalid_peer_wrapper(soc, nbuf, true); |
Tallapragada Kalyan | 9403463 | 2017-12-07 17:29:13 +0530 | [diff] [blame] | 907 | return; |
Pamidipati, Vijay | eb8a92c | 2017-05-01 00:55:56 +0530 | [diff] [blame] | 908 | } |
| 909 | |
| 910 | vdev = peer->vdev; |
| 911 | if (!vdev) { |
| 912 | QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR, |
Jeff Johnson | 3f217e2 | 2017-09-18 10:13:35 -0700 | [diff] [blame] | 913 | FL("INVALID vdev %pK OR osif_rx"), vdev); |
Pamidipati, Vijay | eb8a92c | 2017-05-01 00:55:56 +0530 | [diff] [blame] | 914 | /* Drop & free packet */ |
| 915 | qdf_nbuf_free(nbuf); |
| 916 | DP_STATS_INC(soc, rx.err.invalid_vdev, 1); |
Tallapragada Kalyan | 9403463 | 2017-12-07 17:29:13 +0530 | [diff] [blame] | 917 | return; |
Pamidipati, Vijay | eb8a92c | 2017-05-01 00:55:56 +0530 | [diff] [blame] | 918 | } |
| 919 | |
jiad | 268579c | 2018-11-28 16:42:28 +0800 | [diff] [blame] | 920 | /* |
| 921 | * Advance the packet start pointer by total size of |
| 922 | * pre-header TLV's |
| 923 | */ |
| 924 | qdf_nbuf_pull_head(nbuf, l2_hdr_offset + RX_PKT_TLVS_LEN); |
| 925 | |
sumedh baikady | c2fa7c9 | 2018-12-28 15:26:08 -0800 | [diff] [blame] | 926 | if (err_code == HAL_RXDMA_ERR_WIFI_PARSE) { |
| 927 | uint8_t *pkt_type; |
| 928 | |
| 929 | pkt_type = qdf_nbuf_data(nbuf) + (2 * QDF_MAC_ADDR_SIZE); |
| 930 | if (*(uint16_t *)pkt_type == htons(QDF_ETH_TYPE_8021Q) && |
| 931 | *(uint16_t *)(pkt_type + DP_SKIP_VLAN) == htons(QDF_LLC_STP)) { |
| 932 | DP_STATS_INC(vdev->pdev, vlan_tag_stp_cnt, 1); |
| 933 | goto process_mesh; |
| 934 | } else { |
| 935 | DP_STATS_INC(vdev->pdev, dropped.wifi_parse, 1); |
| 936 | qdf_nbuf_free(nbuf); |
| 937 | return; |
| 938 | } |
| 939 | } |
| 940 | |
Gurumoorthi Gnanasambandhan | e1334b3 | 2018-12-07 12:14:17 +0530 | [diff] [blame] | 941 | if (vdev->rx_decap_type == htt_cmn_pkt_type_raw) |
| 942 | goto process_mesh; |
| 943 | |
jiad | 268579c | 2018-11-28 16:42:28 +0800 | [diff] [blame] | 944 | /* |
| 945 | * WAPI cert AP sends rekey frames as unencrypted. |
| 946 | * Thus RXDMA will report unencrypted frame error. |
| 947 | * To pass WAPI cert case, SW needs to pass unencrypted |
| 948 | * rekey frame to stack. |
| 949 | */ |
| 950 | if (qdf_nbuf_is_ipv4_wapi_pkt(nbuf)) { |
| 951 | qdf_nbuf_cb_update_peer_local_id(nbuf, peer->local_id); |
Gurumoorthi Gnanasambandhan | e1334b3 | 2018-12-07 12:14:17 +0530 | [diff] [blame] | 952 | goto process_rx; |
jiad | 268579c | 2018-11-28 16:42:28 +0800 | [diff] [blame] | 953 | } |
Gurumoorthi Gnanasambandhan | e1334b3 | 2018-12-07 12:14:17 +0530 | [diff] [blame] | 954 | /* |
| 955 | * In dynamic WEP case rekey frames are not encrypted |
| 956 | * similar to WAPI. Allow EAPOL when 8021+wep is enabled and |
| 957 | * key install is already done |
| 958 | */ |
| 959 | if ((vdev->sec_type == cdp_sec_type_wep104) && |
| 960 | (qdf_nbuf_is_ipv4_eapol_pkt(nbuf))) |
| 961 | goto process_rx; |
| 962 | |
| 963 | process_mesh: |
jiad | 268579c | 2018-11-28 16:42:28 +0800 | [diff] [blame] | 964 | |
sumedh baikady | c2fa7c9 | 2018-12-28 15:26:08 -0800 | [diff] [blame] | 965 | if (!vdev->mesh_vdev && err_code == HAL_RXDMA_ERR_UNENCRYPTED) { |
Pamidipati, Vijay | eb8a92c | 2017-05-01 00:55:56 +0530 | [diff] [blame] | 966 | qdf_nbuf_free(nbuf); |
| 967 | DP_STATS_INC(soc, rx.err.invalid_vdev, 1); |
Tallapragada Kalyan | 9403463 | 2017-12-07 17:29:13 +0530 | [diff] [blame] | 968 | return; |
Pamidipati, Vijay | eb8a92c | 2017-05-01 00:55:56 +0530 | [diff] [blame] | 969 | } |
| 970 | |
sumedh baikady | c2fa7c9 | 2018-12-28 15:26:08 -0800 | [diff] [blame] | 971 | if (vdev->mesh_vdev) { |
| 972 | if (dp_rx_filter_mesh_packets(vdev, nbuf, rx_tlv_hdr) |
| 973 | == QDF_STATUS_SUCCESS) { |
| 974 | QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_INFO_MED, |
| 975 | FL("mesh pkt filtered")); |
| 976 | DP_STATS_INC(vdev->pdev, dropped.mesh_filter, 1); |
Venkateswara Swamy Bandaru | 1fecd15 | 2017-07-04 17:26:18 +0530 | [diff] [blame] | 977 | |
sumedh baikady | c2fa7c9 | 2018-12-28 15:26:08 -0800 | [diff] [blame] | 978 | qdf_nbuf_free(nbuf); |
| 979 | return; |
| 980 | } |
| 981 | dp_rx_fill_mesh_stats(vdev, nbuf, rx_tlv_hdr, peer); |
Venkateswara Swamy Bandaru | 1fecd15 | 2017-07-04 17:26:18 +0530 | [diff] [blame] | 982 | } |
Gurumoorthi Gnanasambandhan | e1334b3 | 2018-12-07 12:14:17 +0530 | [diff] [blame] | 983 | process_rx: |
Pranita Solanke | a5a3ae7 | 2018-01-18 21:45:27 +0530 | [diff] [blame] | 984 | if (qdf_unlikely(hal_rx_msdu_end_da_is_mcbc_get(rx_tlv_hdr) && |
| 985 | (vdev->rx_decap_type == |
| 986 | htt_cmn_pkt_type_ethernet))) { |
Srinivas Girigowda | 03bd4b6 | 2019-02-25 10:57:08 -0800 | [diff] [blame] | 987 | eh = (qdf_ether_header_t *)qdf_nbuf_data(nbuf); |
Srinivas Girigowda | 7950297 | 2019-02-11 12:25:12 -0800 | [diff] [blame] | 988 | is_broadcast = (QDF_IS_ADDR_BROADCAST |
Pranita Solanke | a5a3ae7 | 2018-01-18 21:45:27 +0530 | [diff] [blame] | 989 | (eh->ether_dhost)) ? 1 : 0 ; |
Amir Patel | 3217ade | 2018-09-07 12:21:35 +0530 | [diff] [blame] | 990 | DP_STATS_INC_PKT(peer, rx.multicast, 1, qdf_nbuf_len(nbuf)); |
Gurumoorthi Gnanasambandhan | e1334b3 | 2018-12-07 12:14:17 +0530 | [diff] [blame] | 991 | if (is_broadcast) { |
Pranita Solanke | a5a3ae7 | 2018-01-18 21:45:27 +0530 | [diff] [blame] | 992 | DP_STATS_INC_PKT(peer, rx.bcast, 1, |
| 993 | qdf_nbuf_len(nbuf)); |
| 994 | } |
| 995 | } |
| 996 | |
Pamidipati, Vijay | eb8a92c | 2017-05-01 00:55:56 +0530 | [diff] [blame] | 997 | if (qdf_unlikely(vdev->rx_decap_type == htt_cmn_pkt_type_raw)) { |
| 998 | dp_rx_deliver_raw(vdev, nbuf, peer); |
| 999 | } else { |
Karunakar Dasineni | 142f9ba | 2019-03-19 23:04:59 -0700 | [diff] [blame] | 1000 | /* Update the protocol tag in SKB based on CCE metadata */ |
Karunakar Dasineni | d8c7ad2 | 2019-04-18 18:15:02 -0700 | [diff] [blame] | 1001 | dp_rx_update_protocol_tag(soc, vdev, nbuf, rx_tlv_hdr, |
| 1002 | EXCEPTION_DEST_RING_ID, true, true); |
Tallapragada Kalyan | 5deeef2 | 2018-08-24 18:19:41 +0530 | [diff] [blame] | 1003 | DP_STATS_INC(peer, rx.to_stack.num, 1); |
Pamidipati, Vijay | eb8a92c | 2017-05-01 00:55:56 +0530 | [diff] [blame] | 1004 | vdev->osif_rx(vdev->osif_vdev, nbuf); |
| 1005 | } |
Pamidipati, Vijay | eb8a92c | 2017-05-01 00:55:56 +0530 | [diff] [blame] | 1006 | |
Tallapragada Kalyan | 9403463 | 2017-12-07 17:29:13 +0530 | [diff] [blame] | 1007 | return; |
Pamidipati, Vijay | eb8a92c | 2017-05-01 00:55:56 +0530 | [diff] [blame] | 1008 | } |
| 1009 | |
| 1010 | /** |
Gurumoorthi Gnanasambandhan | 25607a7 | 2017-08-07 11:53:16 +0530 | [diff] [blame] | 1011 | * dp_rx_process_mic_error(): Function to pass mic error indication to umac |
Sravan Kumar Kairam | 26d471e | 2018-08-14 23:51:58 +0530 | [diff] [blame] | 1012 | * @soc: core DP main context |
| 1013 | * @nbuf: buffer pointer |
| 1014 | * @rx_tlv_hdr: start of rx tlv header |
| 1015 | * @peer: peer handle |
Gurumoorthi Gnanasambandhan | 25607a7 | 2017-08-07 11:53:16 +0530 | [diff] [blame] | 1016 | * |
| 1017 | * return: void |
| 1018 | */ |
Sravan Kumar Kairam | 26d471e | 2018-08-14 23:51:58 +0530 | [diff] [blame] | 1019 | void dp_rx_process_mic_error(struct dp_soc *soc, qdf_nbuf_t nbuf, |
| 1020 | uint8_t *rx_tlv_hdr, struct dp_peer *peer) |
Gurumoorthi Gnanasambandhan | 25607a7 | 2017-08-07 11:53:16 +0530 | [diff] [blame] | 1021 | { |
| 1022 | struct dp_vdev *vdev = NULL; |
| 1023 | struct dp_pdev *pdev = NULL; |
| 1024 | struct ol_if_ops *tops = NULL; |
Gurumoorthi Gnanasambandhan | 25607a7 | 2017-08-07 11:53:16 +0530 | [diff] [blame] | 1025 | struct ieee80211_frame *wh; |
| 1026 | uint8_t *rx_pkt_hdr; |
Sravan Kumar Kairam | 26d471e | 2018-08-14 23:51:58 +0530 | [diff] [blame] | 1027 | uint16_t rx_seq, fragno; |
Pramod Simha | 366c1e0 | 2018-06-20 11:55:50 -0700 | [diff] [blame] | 1028 | unsigned int tid; |
| 1029 | QDF_STATUS status; |
Gurumoorthi Gnanasambandhan | 25607a7 | 2017-08-07 11:53:16 +0530 | [diff] [blame] | 1030 | |
Gurumoorthi Gnanasambandhan | 25607a7 | 2017-08-07 11:53:16 +0530 | [diff] [blame] | 1031 | if (!hal_rx_msdu_end_first_msdu_get(rx_tlv_hdr)) |
Tallapragada Kalyan | 9403463 | 2017-12-07 17:29:13 +0530 | [diff] [blame] | 1032 | return; |
Gurumoorthi Gnanasambandhan | 25607a7 | 2017-08-07 11:53:16 +0530 | [diff] [blame] | 1033 | |
| 1034 | rx_pkt_hdr = hal_rx_pkt_hdr_get(qdf_nbuf_data(nbuf)); |
| 1035 | wh = (struct ieee80211_frame *)rx_pkt_hdr; |
| 1036 | |
jiad | 9dee72a | 2017-12-05 13:39:25 +0800 | [diff] [blame] | 1037 | if (!peer) { |
Mohit Khanna | f085b61 | 2019-04-02 14:43:10 -0700 | [diff] [blame] | 1038 | dp_err_rl("peer not found"); |
jiad | 9dee72a | 2017-12-05 13:39:25 +0800 | [diff] [blame] | 1039 | goto fail; |
Gurumoorthi Gnanasambandhan | 25607a7 | 2017-08-07 11:53:16 +0530 | [diff] [blame] | 1040 | } |
| 1041 | |
jiad | 9dee72a | 2017-12-05 13:39:25 +0800 | [diff] [blame] | 1042 | vdev = peer->vdev; |
Gurumoorthi Gnanasambandhan | 25607a7 | 2017-08-07 11:53:16 +0530 | [diff] [blame] | 1043 | if (!vdev) { |
Mohit Khanna | f085b61 | 2019-04-02 14:43:10 -0700 | [diff] [blame] | 1044 | dp_err_rl("VDEV not found"); |
Gurumoorthi Gnanasambandhan | 25607a7 | 2017-08-07 11:53:16 +0530 | [diff] [blame] | 1045 | goto fail; |
| 1046 | } |
| 1047 | |
jiad | 9dee72a | 2017-12-05 13:39:25 +0800 | [diff] [blame] | 1048 | pdev = vdev->pdev; |
| 1049 | if (!pdev) { |
Mohit Khanna | f085b61 | 2019-04-02 14:43:10 -0700 | [diff] [blame] | 1050 | dp_err_rl("PDEV not found"); |
jiad | 9dee72a | 2017-12-05 13:39:25 +0800 | [diff] [blame] | 1051 | goto fail; |
| 1052 | } |
| 1053 | |
Balamurugan Mahalingam | 96d2d41 | 2018-07-10 10:11:58 +0530 | [diff] [blame] | 1054 | tid = hal_rx_mpdu_start_tid_get(soc->hal_soc, qdf_nbuf_data(nbuf)); |
Pramod Simha | 366c1e0 | 2018-06-20 11:55:50 -0700 | [diff] [blame] | 1055 | rx_seq = (((*(uint16_t *)wh->i_seq) & |
| 1056 | IEEE80211_SEQ_SEQ_MASK) >> |
| 1057 | IEEE80211_SEQ_SEQ_SHIFT); |
| 1058 | |
| 1059 | fragno = dp_rx_frag_get_mpdu_frag_number(qdf_nbuf_data(nbuf)); |
| 1060 | |
| 1061 | /* Can get only last fragment */ |
| 1062 | if (fragno) { |
| 1063 | status = dp_rx_defrag_add_last_frag(soc, peer, |
| 1064 | tid, rx_seq, nbuf); |
Mohit Khanna | f085b61 | 2019-04-02 14:43:10 -0700 | [diff] [blame] | 1065 | dp_info_rl("Frag pkt seq# %d frag# %d consumed status %d !", |
| 1066 | rx_seq, fragno, status); |
Pramod Simha | 366c1e0 | 2018-06-20 11:55:50 -0700 | [diff] [blame] | 1067 | return; |
| 1068 | } |
| 1069 | |
Gurumoorthi Gnanasambandhan | 25607a7 | 2017-08-07 11:53:16 +0530 | [diff] [blame] | 1070 | tops = pdev->soc->cdp_soc.ol_ops; |
| 1071 | if (tops->rx_mic_error) |
Akshay Kosigi | 1a9c6d1 | 2018-04-26 00:54:23 +0530 | [diff] [blame] | 1072 | tops->rx_mic_error(pdev->ctrl_pdev, vdev->vdev_id, wh); |
Gurumoorthi Gnanasambandhan | 25607a7 | 2017-08-07 11:53:16 +0530 | [diff] [blame] | 1073 | |
| 1074 | fail: |
Tallapragada Kalyan | 9403463 | 2017-12-07 17:29:13 +0530 | [diff] [blame] | 1075 | qdf_nbuf_free(nbuf); |
Gurumoorthi Gnanasambandhan | 25607a7 | 2017-08-07 11:53:16 +0530 | [diff] [blame] | 1076 | return; |
| 1077 | } |
| 1078 | |
Debashis Dutt | 390645c | 2016-10-04 17:31:45 -0700 | [diff] [blame] | 1079 | /** |
| 1080 | * dp_rx_err_process() - Processes error frames routed to REO error ring |
| 1081 | * |
| 1082 | * @soc: core txrx main context |
| 1083 | * @hal_ring: opaque pointer to the HAL Rx Error Ring, which will be serviced |
| 1084 | * @quota: No. of units (packets) that can be serviced in one shot. |
| 1085 | * |
| 1086 | * This function implements error processing and top level demultiplexer |
| 1087 | * for all the frames routed to REO error ring. |
| 1088 | * |
| 1089 | * Return: uint32_t: No. of elements processed |
| 1090 | */ |
| 1091 | uint32_t |
| 1092 | dp_rx_err_process(struct dp_soc *soc, void *hal_ring, uint32_t quota) |
| 1093 | { |
| 1094 | void *hal_soc; |
| 1095 | void *ring_desc; |
Pamidipati, Vijay | b75e810 | 2018-11-05 12:41:18 +0530 | [diff] [blame] | 1096 | uint32_t count = 0; |
Debashis Dutt | 390645c | 2016-10-04 17:31:45 -0700 | [diff] [blame] | 1097 | uint32_t rx_bufs_used = 0; |
Pamidipati, Vijay | b75e810 | 2018-11-05 12:41:18 +0530 | [diff] [blame] | 1098 | uint32_t rx_bufs_reaped[MAX_PDEV_CNT] = { 0 }; |
| 1099 | uint8_t mac_id = 0; |
Debashis Dutt | 390645c | 2016-10-04 17:31:45 -0700 | [diff] [blame] | 1100 | uint8_t buf_type; |
| 1101 | uint8_t error, rbm; |
| 1102 | struct hal_rx_mpdu_desc_info mpdu_desc_info; |
| 1103 | struct hal_buf_info hbi; |
Kai Chen | 6eca1a6 | 2017-01-12 10:17:53 -0800 | [diff] [blame] | 1104 | struct dp_pdev *dp_pdev; |
| 1105 | struct dp_srng *dp_rxdma_srng; |
| 1106 | struct rx_desc_pool *rx_desc_pool; |
Tallapragada Kalyan | a7010a6 | 2017-10-20 12:20:19 +0530 | [diff] [blame] | 1107 | uint32_t cookie = 0; |
| 1108 | void *link_desc_va; |
| 1109 | struct hal_rx_msdu_list msdu_list; /* MSDU's per MPDU */ |
| 1110 | uint16_t num_msdus; |
Tallapragada Kalyan | fe278d5 | 2019-02-13 17:12:43 +0530 | [diff] [blame] | 1111 | struct dp_rx_desc *rx_desc = NULL; |
Debashis Dutt | 390645c | 2016-10-04 17:31:45 -0700 | [diff] [blame] | 1112 | |
| 1113 | /* Debug -- Remove later */ |
| 1114 | qdf_assert(soc && hal_ring); |
| 1115 | |
| 1116 | hal_soc = soc->hal_soc; |
| 1117 | |
| 1118 | /* Debug -- Remove later */ |
| 1119 | qdf_assert(hal_soc); |
| 1120 | |
| 1121 | if (qdf_unlikely(hal_srng_access_start(hal_soc, hal_ring))) { |
| 1122 | |
| 1123 | /* TODO */ |
| 1124 | /* |
| 1125 | * Need API to convert from hal_ring pointer to |
| 1126 | * Ring Type / Ring Id combo |
| 1127 | */ |
Venkata Sharath Chandra Manchala | a405eb7 | 2017-03-06 14:35:00 -0800 | [diff] [blame] | 1128 | DP_STATS_INC(soc, rx.err.hal_ring_access_fail, 1); |
Tallapragada Kalyan | 1ef5480 | 2016-11-30 12:54:55 +0530 | [diff] [blame] | 1129 | QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR, |
Jeff Johnson | 3f217e2 | 2017-09-18 10:13:35 -0700 | [diff] [blame] | 1130 | FL("HAL RING Access Failed -- %pK"), hal_ring); |
Debashis Dutt | 390645c | 2016-10-04 17:31:45 -0700 | [diff] [blame] | 1131 | goto done; |
| 1132 | } |
| 1133 | |
Pamidipati, Vijay | 3379c74 | 2017-11-01 18:50:43 +0530 | [diff] [blame] | 1134 | while (qdf_likely(quota-- && (ring_desc = |
| 1135 | hal_srng_dst_get_next(hal_soc, hal_ring)))) { |
| 1136 | |
Ishank Jain | 57c42a1 | 2017-04-12 10:42:22 +0530 | [diff] [blame] | 1137 | DP_STATS_INC(soc, rx.err_ring_pkts, 1); |
Debashis Dutt | 390645c | 2016-10-04 17:31:45 -0700 | [diff] [blame] | 1138 | |
| 1139 | error = HAL_RX_ERROR_STATUS_GET(ring_desc); |
| 1140 | |
| 1141 | qdf_assert(error == HAL_REO_ERROR_DETECTED); |
| 1142 | |
Tallapragada Kalyan | a7010a6 | 2017-10-20 12:20:19 +0530 | [diff] [blame] | 1143 | buf_type = HAL_RX_REO_BUF_TYPE_GET(ring_desc); |
| 1144 | /* |
| 1145 | * For REO error ring, expect only MSDU LINK DESC |
| 1146 | */ |
| 1147 | qdf_assert_always(buf_type == HAL_RX_REO_MSDU_LINK_DESC_TYPE); |
| 1148 | |
| 1149 | cookie = HAL_RX_REO_BUF_COOKIE_GET(ring_desc); |
| 1150 | /* |
| 1151 | * check for the magic number in the sw cookie |
| 1152 | */ |
| 1153 | qdf_assert_always((cookie >> LINK_DESC_ID_SHIFT) & |
| 1154 | LINK_DESC_ID_START); |
| 1155 | |
Debashis Dutt | 390645c | 2016-10-04 17:31:45 -0700 | [diff] [blame] | 1156 | /* |
| 1157 | * Check if the buffer is to be processed on this processor |
| 1158 | */ |
| 1159 | rbm = hal_rx_ret_buf_manager_get(ring_desc); |
| 1160 | |
Tallapragada Kalyan | a7010a6 | 2017-10-20 12:20:19 +0530 | [diff] [blame] | 1161 | hal_rx_reo_buf_paddr_get(ring_desc, &hbi); |
| 1162 | link_desc_va = dp_rx_cookie_2_link_desc_va(soc, &hbi); |
Balamurugan Mahalingam | 3715aa4 | 2018-08-22 02:13:14 +0530 | [diff] [blame] | 1163 | hal_rx_msdu_list_get(soc->hal_soc, link_desc_va, &msdu_list, |
| 1164 | &num_msdus); |
Tallapragada Kalyan | a7010a6 | 2017-10-20 12:20:19 +0530 | [diff] [blame] | 1165 | |
jiad | c26dfc8 | 2018-05-03 16:09:03 +0800 | [diff] [blame] | 1166 | if (qdf_unlikely((msdu_list.rbm[0] != DP_WBM2SW_RBM) && |
psimha | 223883f | 2017-11-16 17:18:51 -0800 | [diff] [blame] | 1167 | (msdu_list.rbm[0] != |
| 1168 | HAL_RX_BUF_RBM_WBM_IDLE_DESC_LIST))) { |
Debashis Dutt | 390645c | 2016-10-04 17:31:45 -0700 | [diff] [blame] | 1169 | /* TODO */ |
| 1170 | /* Call appropriate handler */ |
syed touqeer pasha | 576972b | 2019-03-12 14:49:27 +0530 | [diff] [blame] | 1171 | if (!wlan_cfg_get_dp_soc_nss_cfg(soc->wlan_cfg_ctx)) { |
| 1172 | DP_STATS_INC(soc, rx.err.invalid_rbm, 1); |
| 1173 | QDF_TRACE(QDF_MODULE_ID_DP, |
| 1174 | QDF_TRACE_LEVEL_ERROR, |
| 1175 | FL("Invalid RBM %d"), |
| 1176 | msdu_list.rbm[0]); |
| 1177 | } |
Tallapragada Kalyan | a7010a6 | 2017-10-20 12:20:19 +0530 | [diff] [blame] | 1178 | |
| 1179 | /* Return link descriptor through WBM ring (SW2WBM)*/ |
| 1180 | dp_rx_link_desc_return(soc, ring_desc, |
| 1181 | HAL_BM_ACTION_RELEASE_MSDU_LIST); |
Debashis Dutt | 390645c | 2016-10-04 17:31:45 -0700 | [diff] [blame] | 1182 | continue; |
| 1183 | } |
| 1184 | |
syed touqeer pasha | 576972b | 2019-03-12 14:49:27 +0530 | [diff] [blame] | 1185 | rx_desc = dp_rx_cookie_2_va_rxdma_buf(soc, |
| 1186 | msdu_list.sw_cookie[0]); |
| 1187 | qdf_assert_always(rx_desc); |
| 1188 | |
| 1189 | mac_id = rx_desc->pool_id; |
| 1190 | |
Debashis Dutt | 390645c | 2016-10-04 17:31:45 -0700 | [diff] [blame] | 1191 | /* Get the MPDU DESC info */ |
Tallapragada Kalyan | 603c594 | 2016-12-07 21:30:44 +0530 | [diff] [blame] | 1192 | hal_rx_mpdu_desc_info_get(ring_desc, &mpdu_desc_info); |
Debashis Dutt | 390645c | 2016-10-04 17:31:45 -0700 | [diff] [blame] | 1193 | |
| 1194 | if (mpdu_desc_info.mpdu_flags & HAL_MPDU_F_FRAGMENT) { |
Tallapragada Kalyan | fe278d5 | 2019-02-13 17:12:43 +0530 | [diff] [blame] | 1195 | /* |
| 1196 | * We only handle one msdu per link desc for fragmented |
| 1197 | * case. We drop the msdus and release the link desc |
| 1198 | * back if there are more than one msdu in link desc. |
| 1199 | */ |
| 1200 | if (qdf_unlikely(num_msdus > 1)) { |
| 1201 | count = dp_rx_msdus_drop(soc, ring_desc, |
| 1202 | &mpdu_desc_info, |
| 1203 | &mac_id, quota); |
| 1204 | rx_bufs_reaped[mac_id] += count; |
| 1205 | continue; |
| 1206 | } |
| 1207 | |
Pamidipati, Vijay | b75e810 | 2018-11-05 12:41:18 +0530 | [diff] [blame] | 1208 | count = dp_rx_frag_handle(soc, |
| 1209 | ring_desc, &mpdu_desc_info, |
Tallapragada Kalyan | fe278d5 | 2019-02-13 17:12:43 +0530 | [diff] [blame] | 1210 | rx_desc, &mac_id, quota); |
Pamidipati, Vijay | b75e810 | 2018-11-05 12:41:18 +0530 | [diff] [blame] | 1211 | |
| 1212 | rx_bufs_reaped[mac_id] += count; |
Ishank Jain | 57c42a1 | 2017-04-12 10:42:22 +0530 | [diff] [blame] | 1213 | DP_STATS_INC(soc, rx.rx_frags, 1); |
Debashis Dutt | 390645c | 2016-10-04 17:31:45 -0700 | [diff] [blame] | 1214 | continue; |
| 1215 | } |
| 1216 | |
| 1217 | if (hal_rx_reo_is_pn_error(ring_desc)) { |
| 1218 | /* TOD0 */ |
Venkata Sharath Chandra Manchala | a405eb7 | 2017-03-06 14:35:00 -0800 | [diff] [blame] | 1219 | DP_STATS_INC(soc, |
| 1220 | rx.err. |
| 1221 | reo_error[HAL_REO_ERR_PN_CHECK_FAILED], |
| 1222 | 1); |
Pamidipati, Vijay | b75e810 | 2018-11-05 12:41:18 +0530 | [diff] [blame] | 1223 | count = dp_rx_pn_error_handle(soc, |
| 1224 | ring_desc, |
| 1225 | &mpdu_desc_info, &mac_id, |
| 1226 | quota); |
| 1227 | |
| 1228 | rx_bufs_reaped[mac_id] += count; |
Debashis Dutt | 390645c | 2016-10-04 17:31:45 -0700 | [diff] [blame] | 1229 | continue; |
| 1230 | } |
| 1231 | |
| 1232 | if (hal_rx_reo_is_2k_jump(ring_desc)) { |
| 1233 | /* TOD0 */ |
Venkata Sharath Chandra Manchala | a405eb7 | 2017-03-06 14:35:00 -0800 | [diff] [blame] | 1234 | DP_STATS_INC(soc, |
| 1235 | rx.err. |
| 1236 | reo_error[HAL_REO_ERR_REGULAR_FRAME_2K_JUMP], |
| 1237 | 1); |
Pamidipati, Vijay | b75e810 | 2018-11-05 12:41:18 +0530 | [diff] [blame] | 1238 | |
| 1239 | count = dp_rx_2k_jump_handle(soc, |
| 1240 | ring_desc, &mpdu_desc_info, |
| 1241 | &mac_id, quota); |
| 1242 | |
| 1243 | rx_bufs_reaped[mac_id] += count; |
Debashis Dutt | 390645c | 2016-10-04 17:31:45 -0700 | [diff] [blame] | 1244 | continue; |
| 1245 | } |
Debashis Dutt | 390645c | 2016-10-04 17:31:45 -0700 | [diff] [blame] | 1246 | } |
| 1247 | |
| 1248 | done: |
| 1249 | hal_srng_access_end(hal_soc, hal_ring); |
| 1250 | |
Karunakar Dasineni | f8ec0cb | 2019-01-29 13:07:05 -0800 | [diff] [blame] | 1251 | if (soc->rx.flags.defrag_timeout_check) { |
| 1252 | uint32_t now_ms = |
| 1253 | qdf_system_ticks_to_msecs(qdf_system_ticks()); |
| 1254 | |
| 1255 | if (now_ms >= soc->rx.defrag.next_flush_ms) |
| 1256 | dp_rx_defrag_waitlist_flush(soc); |
| 1257 | } |
Kai Chen | 6eca1a6 | 2017-01-12 10:17:53 -0800 | [diff] [blame] | 1258 | |
Pamidipati, Vijay | b75e810 | 2018-11-05 12:41:18 +0530 | [diff] [blame] | 1259 | for (mac_id = 0; mac_id < MAX_PDEV_CNT; mac_id++) { |
| 1260 | if (rx_bufs_reaped[mac_id]) { |
| 1261 | dp_pdev = soc->pdev_list[mac_id]; |
| 1262 | dp_rxdma_srng = &dp_pdev->rx_refill_buf_ring; |
| 1263 | rx_desc_pool = &soc->rx_desc_buf[mac_id]; |
Kai Chen | 6eca1a6 | 2017-01-12 10:17:53 -0800 | [diff] [blame] | 1264 | |
Pamidipati, Vijay | b75e810 | 2018-11-05 12:41:18 +0530 | [diff] [blame] | 1265 | dp_rx_buffers_replenish(soc, mac_id, dp_rxdma_srng, |
| 1266 | rx_desc_pool, |
| 1267 | rx_bufs_reaped[mac_id], |
| 1268 | &dp_pdev->free_list_head, |
| 1269 | &dp_pdev->free_list_tail); |
| 1270 | rx_bufs_used += rx_bufs_reaped[mac_id]; |
| 1271 | } |
Kai Chen | 6eca1a6 | 2017-01-12 10:17:53 -0800 | [diff] [blame] | 1272 | } |
Debashis Dutt | 390645c | 2016-10-04 17:31:45 -0700 | [diff] [blame] | 1273 | |
| 1274 | return rx_bufs_used; /* Assume no scale factor for now */ |
| 1275 | } |
| 1276 | |
| 1277 | /** |
| 1278 | * dp_rx_wbm_err_process() - Processes error frames routed to WBM release ring |
| 1279 | * |
| 1280 | * @soc: core txrx main context |
| 1281 | * @hal_ring: opaque pointer to the HAL Rx Error Ring, which will be serviced |
| 1282 | * @quota: No. of units (packets) that can be serviced in one shot. |
| 1283 | * |
| 1284 | * This function implements error processing and top level demultiplexer |
| 1285 | * for all the frames routed to WBM2HOST sw release ring. |
| 1286 | * |
| 1287 | * Return: uint32_t: No. of elements processed |
| 1288 | */ |
| 1289 | uint32_t |
| 1290 | dp_rx_wbm_err_process(struct dp_soc *soc, void *hal_ring, uint32_t quota) |
| 1291 | { |
| 1292 | void *hal_soc; |
| 1293 | void *ring_desc; |
| 1294 | struct dp_rx_desc *rx_desc; |
Tallapragada Kalyan | aae8c41 | 2017-02-13 12:00:17 +0530 | [diff] [blame] | 1295 | union dp_rx_desc_list_elem_t *head[MAX_PDEV_CNT] = { NULL }; |
| 1296 | union dp_rx_desc_list_elem_t *tail[MAX_PDEV_CNT] = { NULL }; |
Tallapragada Kalyan | 9403463 | 2017-12-07 17:29:13 +0530 | [diff] [blame] | 1297 | uint32_t rx_bufs_used = 0; |
| 1298 | uint32_t rx_bufs_reaped[MAX_PDEV_CNT] = { 0 }; |
Debashis Dutt | 390645c | 2016-10-04 17:31:45 -0700 | [diff] [blame] | 1299 | uint8_t buf_type, rbm; |
Debashis Dutt | 390645c | 2016-10-04 17:31:45 -0700 | [diff] [blame] | 1300 | uint32_t rx_buf_cookie; |
Tallapragada Kalyan | aae8c41 | 2017-02-13 12:00:17 +0530 | [diff] [blame] | 1301 | uint8_t mac_id; |
Kai Chen | 6eca1a6 | 2017-01-12 10:17:53 -0800 | [diff] [blame] | 1302 | struct dp_pdev *dp_pdev; |
| 1303 | struct dp_srng *dp_rxdma_srng; |
| 1304 | struct rx_desc_pool *rx_desc_pool; |
Tallapragada Kalyan | 9403463 | 2017-12-07 17:29:13 +0530 | [diff] [blame] | 1305 | uint8_t *rx_tlv_hdr; |
| 1306 | qdf_nbuf_t nbuf_head = NULL; |
| 1307 | qdf_nbuf_t nbuf_tail = NULL; |
| 1308 | qdf_nbuf_t nbuf, next; |
| 1309 | struct hal_wbm_err_desc_info wbm_err_info = { 0 }; |
| 1310 | uint8_t pool_id; |
sumedh baikady | df4a57c | 2018-04-08 22:19:22 -0700 | [diff] [blame] | 1311 | uint8_t tid = 0; |
Debashis Dutt | 390645c | 2016-10-04 17:31:45 -0700 | [diff] [blame] | 1312 | |
| 1313 | /* Debug -- Remove later */ |
| 1314 | qdf_assert(soc && hal_ring); |
| 1315 | |
| 1316 | hal_soc = soc->hal_soc; |
| 1317 | |
| 1318 | /* Debug -- Remove later */ |
| 1319 | qdf_assert(hal_soc); |
| 1320 | |
| 1321 | if (qdf_unlikely(hal_srng_access_start(hal_soc, hal_ring))) { |
| 1322 | |
| 1323 | /* TODO */ |
| 1324 | /* |
| 1325 | * Need API to convert from hal_ring pointer to |
| 1326 | * Ring Type / Ring Id combo |
| 1327 | */ |
Tallapragada Kalyan | 1ef5480 | 2016-11-30 12:54:55 +0530 | [diff] [blame] | 1328 | QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR, |
Jeff Johnson | 3f217e2 | 2017-09-18 10:13:35 -0700 | [diff] [blame] | 1329 | FL("HAL RING Access Failed -- %pK"), hal_ring); |
Debashis Dutt | 390645c | 2016-10-04 17:31:45 -0700 | [diff] [blame] | 1330 | goto done; |
| 1331 | } |
| 1332 | |
Pamidipati, Vijay | 3379c74 | 2017-11-01 18:50:43 +0530 | [diff] [blame] | 1333 | while (qdf_likely(quota-- && (ring_desc = |
| 1334 | hal_srng_dst_get_next(hal_soc, hal_ring)))) { |
Debashis Dutt | 390645c | 2016-10-04 17:31:45 -0700 | [diff] [blame] | 1335 | |
| 1336 | /* XXX */ |
Tallapragada Kalyan | 9403463 | 2017-12-07 17:29:13 +0530 | [diff] [blame] | 1337 | buf_type = HAL_RX_WBM_BUF_TYPE_GET(ring_desc); |
Debashis Dutt | 390645c | 2016-10-04 17:31:45 -0700 | [diff] [blame] | 1338 | |
Tallapragada Kalyan | 9403463 | 2017-12-07 17:29:13 +0530 | [diff] [blame] | 1339 | /* |
| 1340 | * For WBM ring, expect only MSDU buffers |
| 1341 | */ |
| 1342 | qdf_assert_always(buf_type == HAL_RX_WBM_BUF_TYPE_REL_BUF); |
| 1343 | |
| 1344 | qdf_assert((HAL_RX_WBM_ERR_SRC_GET(ring_desc) |
| 1345 | == HAL_RX_WBM_ERR_SRC_RXDMA) || |
| 1346 | (HAL_RX_WBM_ERR_SRC_GET(ring_desc) |
| 1347 | == HAL_RX_WBM_ERR_SRC_REO)); |
Debashis Dutt | 390645c | 2016-10-04 17:31:45 -0700 | [diff] [blame] | 1348 | |
| 1349 | /* |
| 1350 | * Check if the buffer is to be processed on this processor |
| 1351 | */ |
| 1352 | rbm = hal_rx_ret_buf_manager_get(ring_desc); |
| 1353 | |
| 1354 | if (qdf_unlikely(rbm != HAL_RX_BUF_RBM_SW3_BM)) { |
| 1355 | /* TODO */ |
| 1356 | /* Call appropriate handler */ |
Tallapragada Kalyan | 9403463 | 2017-12-07 17:29:13 +0530 | [diff] [blame] | 1357 | DP_STATS_INC(soc, rx.err.invalid_rbm, 1); |
Tallapragada Kalyan | 1ef5480 | 2016-11-30 12:54:55 +0530 | [diff] [blame] | 1358 | QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR, |
| 1359 | FL("Invalid RBM %d"), rbm); |
Debashis Dutt | 390645c | 2016-10-04 17:31:45 -0700 | [diff] [blame] | 1360 | continue; |
| 1361 | } |
| 1362 | |
Tallapragada Kalyan | aae8c41 | 2017-02-13 12:00:17 +0530 | [diff] [blame] | 1363 | rx_buf_cookie = HAL_RX_WBM_BUF_COOKIE_GET(ring_desc); |
| 1364 | |
Kai Chen | 6eca1a6 | 2017-01-12 10:17:53 -0800 | [diff] [blame] | 1365 | rx_desc = dp_rx_cookie_2_va_rxdma_buf(soc, rx_buf_cookie); |
Pamidipati, Vijay | b75e810 | 2018-11-05 12:41:18 +0530 | [diff] [blame] | 1366 | qdf_assert_always(rx_desc); |
Tallapragada Kalyan | aae8c41 | 2017-02-13 12:00:17 +0530 | [diff] [blame] | 1367 | |
Pamidipati, Vijay | 5379474 | 2017-06-03 11:24:32 +0530 | [diff] [blame] | 1368 | if (!dp_rx_desc_check_magic(rx_desc)) { |
| 1369 | QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR, |
| 1370 | FL("Invalid rx_desc cookie=%d"), |
| 1371 | rx_buf_cookie); |
| 1372 | continue; |
| 1373 | } |
| 1374 | |
Tallapragada Kalyan | eff377a | 2019-01-09 19:13:19 +0530 | [diff] [blame] | 1375 | /* |
| 1376 | * this is a unlikely scenario where the host is reaping |
| 1377 | * a descriptor which it already reaped just a while ago |
| 1378 | * but is yet to replenish it back to HW. |
| 1379 | * In this case host will dump the last 128 descriptors |
| 1380 | * including the software descriptor rx_desc and assert. |
| 1381 | */ |
| 1382 | if (qdf_unlikely(!rx_desc->in_use)) { |
| 1383 | DP_STATS_INC(soc, rx.err.hal_wbm_rel_dup, 1); |
| 1384 | dp_rx_dump_info_and_assert(soc, hal_ring, |
| 1385 | ring_desc, rx_desc); |
| 1386 | } |
| 1387 | |
Tallapragada Kalyan | 9403463 | 2017-12-07 17:29:13 +0530 | [diff] [blame] | 1388 | nbuf = rx_desc->nbuf; |
Ankit Kumar | 0ae4abc | 2019-05-02 15:08:42 +0530 | [diff] [blame] | 1389 | qdf_nbuf_unmap_single(soc->osdev, nbuf, QDF_DMA_FROM_DEVICE); |
Pamidipati, Vijay | 5379474 | 2017-06-03 11:24:32 +0530 | [diff] [blame] | 1390 | |
Debashis Dutt | 390645c | 2016-10-04 17:31:45 -0700 | [diff] [blame] | 1391 | /* |
Tallapragada Kalyan | 9403463 | 2017-12-07 17:29:13 +0530 | [diff] [blame] | 1392 | * save the wbm desc info in nbuf TLV. We will need this |
| 1393 | * info when we do the actual nbuf processing |
Debashis Dutt | 390645c | 2016-10-04 17:31:45 -0700 | [diff] [blame] | 1394 | */ |
Balamurugan Mahalingam | 764219e | 2018-09-17 15:34:25 +0530 | [diff] [blame] | 1395 | hal_rx_wbm_err_info_get(ring_desc, &wbm_err_info, hal_soc); |
Tallapragada Kalyan | 9403463 | 2017-12-07 17:29:13 +0530 | [diff] [blame] | 1396 | wbm_err_info.pool_id = rx_desc->pool_id; |
| 1397 | hal_rx_wbm_err_info_set_in_tlv(qdf_nbuf_data(nbuf), |
| 1398 | &wbm_err_info); |
Debashis Dutt | 390645c | 2016-10-04 17:31:45 -0700 | [diff] [blame] | 1399 | |
Tallapragada Kalyan | 9403463 | 2017-12-07 17:29:13 +0530 | [diff] [blame] | 1400 | rx_bufs_reaped[rx_desc->pool_id]++; |
Debashis Dutt | 390645c | 2016-10-04 17:31:45 -0700 | [diff] [blame] | 1401 | |
Tallapragada Kalyan | 9403463 | 2017-12-07 17:29:13 +0530 | [diff] [blame] | 1402 | DP_RX_LIST_APPEND(nbuf_head, nbuf_tail, rx_desc->nbuf); |
| 1403 | dp_rx_add_to_free_desc_list(&head[rx_desc->pool_id], |
| 1404 | &tail[rx_desc->pool_id], |
| 1405 | rx_desc); |
| 1406 | } |
| 1407 | done: |
| 1408 | hal_srng_access_end(hal_soc, hal_ring); |
Debashis Dutt | 390645c | 2016-10-04 17:31:45 -0700 | [diff] [blame] | 1409 | |
Tallapragada Kalyan | 9403463 | 2017-12-07 17:29:13 +0530 | [diff] [blame] | 1410 | for (mac_id = 0; mac_id < MAX_PDEV_CNT; mac_id++) { |
| 1411 | if (rx_bufs_reaped[mac_id]) { |
| 1412 | dp_pdev = soc->pdev_list[mac_id]; |
| 1413 | dp_rxdma_srng = &dp_pdev->rx_refill_buf_ring; |
| 1414 | rx_desc_pool = &soc->rx_desc_buf[mac_id]; |
Debashis Dutt | 390645c | 2016-10-04 17:31:45 -0700 | [diff] [blame] | 1415 | |
Tallapragada Kalyan | 9403463 | 2017-12-07 17:29:13 +0530 | [diff] [blame] | 1416 | dp_rx_buffers_replenish(soc, mac_id, dp_rxdma_srng, |
| 1417 | rx_desc_pool, rx_bufs_reaped[mac_id], |
Venkata Sharath Chandra Manchala | 16fcceb | 2018-01-03 11:27:15 -0800 | [diff] [blame] | 1418 | &head[mac_id], &tail[mac_id]); |
Tallapragada Kalyan | 9403463 | 2017-12-07 17:29:13 +0530 | [diff] [blame] | 1419 | rx_bufs_used += rx_bufs_reaped[mac_id]; |
| 1420 | } |
| 1421 | } |
Ishank Jain | e73c403 | 2017-03-16 11:48:15 +0530 | [diff] [blame] | 1422 | |
Tallapragada Kalyan | 9403463 | 2017-12-07 17:29:13 +0530 | [diff] [blame] | 1423 | nbuf = nbuf_head; |
| 1424 | while (nbuf) { |
Sravan Kumar Kairam | 26d471e | 2018-08-14 23:51:58 +0530 | [diff] [blame] | 1425 | struct dp_peer *peer; |
| 1426 | uint16_t peer_id; |
| 1427 | |
Tallapragada Kalyan | 9403463 | 2017-12-07 17:29:13 +0530 | [diff] [blame] | 1428 | rx_tlv_hdr = qdf_nbuf_data(nbuf); |
Sravan Kumar Kairam | 26d471e | 2018-08-14 23:51:58 +0530 | [diff] [blame] | 1429 | |
| 1430 | peer_id = hal_rx_mpdu_start_sw_peer_id_get(rx_tlv_hdr); |
| 1431 | peer = dp_peer_find_by_id(soc, peer_id); |
| 1432 | |
Tallapragada Kalyan | 9403463 | 2017-12-07 17:29:13 +0530 | [diff] [blame] | 1433 | /* |
| 1434 | * retrieve the wbm desc info from nbuf TLV, so we can |
| 1435 | * handle error cases appropriately |
| 1436 | */ |
| 1437 | hal_rx_wbm_err_info_get_from_tlv(rx_tlv_hdr, &wbm_err_info); |
| 1438 | |
Prathyusha Guduri | 02ed948 | 2018-04-17 19:06:30 +0530 | [diff] [blame] | 1439 | /* Set queue_mapping in nbuf to 0 */ |
| 1440 | dp_set_rx_queue(nbuf, 0); |
| 1441 | |
Tallapragada Kalyan | 9403463 | 2017-12-07 17:29:13 +0530 | [diff] [blame] | 1442 | next = nbuf->next; |
Mohit Khanna | f085b61 | 2019-04-02 14:43:10 -0700 | [diff] [blame] | 1443 | |
Tallapragada Kalyan | 9403463 | 2017-12-07 17:29:13 +0530 | [diff] [blame] | 1444 | if (wbm_err_info.wbm_err_src == HAL_RX_WBM_ERR_SRC_REO) { |
| 1445 | if (wbm_err_info.reo_psh_rsn |
| 1446 | == HAL_RX_WBM_REO_PSH_RSN_ERROR) { |
| 1447 | |
| 1448 | DP_STATS_INC(soc, |
| 1449 | rx.err.reo_error |
| 1450 | [wbm_err_info.reo_err_code], 1); |
| 1451 | |
| 1452 | switch (wbm_err_info.reo_err_code) { |
Tallapragada Kalyan | 1ef5480 | 2016-11-30 12:54:55 +0530 | [diff] [blame] | 1453 | /* |
| 1454 | * Handling for packets which have NULL REO |
| 1455 | * queue descriptor |
| 1456 | */ |
| 1457 | case HAL_REO_ERR_QUEUE_DESC_ADDR_0: |
Tallapragada Kalyan | 9403463 | 2017-12-07 17:29:13 +0530 | [diff] [blame] | 1458 | pool_id = wbm_err_info.pool_id; |
Sravan Kumar Kairam | 26d471e | 2018-08-14 23:51:58 +0530 | [diff] [blame] | 1459 | dp_rx_null_q_desc_handle(soc, nbuf, |
| 1460 | rx_tlv_hdr, |
| 1461 | pool_id, peer); |
Tallapragada Kalyan | 9403463 | 2017-12-07 17:29:13 +0530 | [diff] [blame] | 1462 | nbuf = next; |
Sravan Kumar Kairam | 26d471e | 2018-08-14 23:51:58 +0530 | [diff] [blame] | 1463 | if (peer) |
| 1464 | dp_peer_unref_del_find_by_id( |
| 1465 | peer); |
Tallapragada Kalyan | 1ef5480 | 2016-11-30 12:54:55 +0530 | [diff] [blame] | 1466 | continue; |
Debashis Dutt | 390645c | 2016-10-04 17:31:45 -0700 | [diff] [blame] | 1467 | /* TODO */ |
| 1468 | /* Add per error code accounting */ |
sumedh baikady | df4a57c | 2018-04-08 22:19:22 -0700 | [diff] [blame] | 1469 | case HAL_REO_ERR_REGULAR_FRAME_2K_JUMP: |
| 1470 | pool_id = wbm_err_info.pool_id; |
Mohit Khanna | f085b61 | 2019-04-02 14:43:10 -0700 | [diff] [blame] | 1471 | |
sumedh baikady | df4a57c | 2018-04-08 22:19:22 -0700 | [diff] [blame] | 1472 | if (hal_rx_msdu_end_first_msdu_get(rx_tlv_hdr)) { |
| 1473 | peer_id = |
| 1474 | hal_rx_mpdu_start_sw_peer_id_get(rx_tlv_hdr); |
| 1475 | tid = |
| 1476 | hal_rx_mpdu_start_tid_get(hal_soc, rx_tlv_hdr); |
| 1477 | } |
| 1478 | dp_2k_jump_handle(soc, nbuf, rx_tlv_hdr, |
| 1479 | peer_id, tid); |
| 1480 | nbuf = next; |
Sravan Kumar Kairam | 26d471e | 2018-08-14 23:51:58 +0530 | [diff] [blame] | 1481 | if (peer) |
| 1482 | dp_peer_unref_del_find_by_id( |
| 1483 | peer); |
sumedh baikady | df4a57c | 2018-04-08 22:19:22 -0700 | [diff] [blame] | 1484 | continue; |
Debashis Dutt | 390645c | 2016-10-04 17:31:45 -0700 | [diff] [blame] | 1485 | default: |
Mohit Khanna | f085b61 | 2019-04-02 14:43:10 -0700 | [diff] [blame] | 1486 | dp_err_rl("Got pkt with REO ERROR: %d", |
| 1487 | wbm_err_info.reo_err_code); |
| 1488 | break; |
Debashis Dutt | 390645c | 2016-10-04 17:31:45 -0700 | [diff] [blame] | 1489 | } |
| 1490 | } |
Tallapragada Kalyan | 9403463 | 2017-12-07 17:29:13 +0530 | [diff] [blame] | 1491 | } else if (wbm_err_info.wbm_err_src == |
| 1492 | HAL_RX_WBM_ERR_SRC_RXDMA) { |
| 1493 | if (wbm_err_info.rxdma_psh_rsn |
| 1494 | == HAL_RX_WBM_RXDMA_PSH_RSN_ERROR) { |
| 1495 | DP_STATS_INC(soc, |
| 1496 | rx.err.rxdma_error |
| 1497 | [wbm_err_info.rxdma_err_code], 1); |
Debashis Dutt | 390645c | 2016-10-04 17:31:45 -0700 | [diff] [blame] | 1498 | |
Tallapragada Kalyan | 9403463 | 2017-12-07 17:29:13 +0530 | [diff] [blame] | 1499 | switch (wbm_err_info.rxdma_err_code) { |
Pamidipati, Vijay | eb8a92c | 2017-05-01 00:55:56 +0530 | [diff] [blame] | 1500 | case HAL_RXDMA_ERR_UNENCRYPTED: |
sumedh baikady | c2fa7c9 | 2018-12-28 15:26:08 -0800 | [diff] [blame] | 1501 | |
| 1502 | case HAL_RXDMA_ERR_WIFI_PARSE: |
| 1503 | dp_rx_process_rxdma_err(soc, nbuf, |
| 1504 | rx_tlv_hdr, peer, |
| 1505 | wbm_err_info.rxdma_err_code); |
Tallapragada Kalyan | 9403463 | 2017-12-07 17:29:13 +0530 | [diff] [blame] | 1506 | nbuf = next; |
Sravan Kumar Kairam | 26d471e | 2018-08-14 23:51:58 +0530 | [diff] [blame] | 1507 | if (peer) |
sumedh baikady | c2fa7c9 | 2018-12-28 15:26:08 -0800 | [diff] [blame] | 1508 | dp_peer_unref_del_find_by_id(peer); |
Pamidipati, Vijay | eb8a92c | 2017-05-01 00:55:56 +0530 | [diff] [blame] | 1509 | continue; |
Debashis Dutt | 390645c | 2016-10-04 17:31:45 -0700 | [diff] [blame] | 1510 | |
Gurumoorthi Gnanasambandhan | 25607a7 | 2017-08-07 11:53:16 +0530 | [diff] [blame] | 1511 | case HAL_RXDMA_ERR_TKIP_MIC: |
Sravan Kumar Kairam | 26d471e | 2018-08-14 23:51:58 +0530 | [diff] [blame] | 1512 | dp_rx_process_mic_error(soc, nbuf, |
| 1513 | rx_tlv_hdr, |
| 1514 | peer); |
Tallapragada Kalyan | 9403463 | 2017-12-07 17:29:13 +0530 | [diff] [blame] | 1515 | nbuf = next; |
Sravan Kumar Kairam | 26d471e | 2018-08-14 23:51:58 +0530 | [diff] [blame] | 1516 | if (peer) { |
Gurumoorthi Gnanasambandhan | 306de84 | 2017-12-19 08:47:40 +0530 | [diff] [blame] | 1517 | DP_STATS_INC(peer, rx.err.mic_err, 1); |
Sravan Kumar Kairam | 26d471e | 2018-08-14 23:51:58 +0530 | [diff] [blame] | 1518 | dp_peer_unref_del_find_by_id( |
| 1519 | peer); |
| 1520 | } |
Gurumoorthi Gnanasambandhan | 25607a7 | 2017-08-07 11:53:16 +0530 | [diff] [blame] | 1521 | continue; |
| 1522 | |
| 1523 | case HAL_RXDMA_ERR_DECRYPT: |
Gurumoorthi Gnanasambandhan | 306de84 | 2017-12-19 08:47:40 +0530 | [diff] [blame] | 1524 | if (peer) |
| 1525 | DP_STATS_INC(peer, rx.err.decrypt_err, 1); |
Gurumoorthi Gnanasambandhan | 25607a7 | 2017-08-07 11:53:16 +0530 | [diff] [blame] | 1526 | QDF_TRACE(QDF_MODULE_ID_DP, |
Karunakar Dasineni | 87f0c5d | 2017-10-29 21:54:21 -0700 | [diff] [blame] | 1527 | QDF_TRACE_LEVEL_DEBUG, |
Gurumoorthi Gnanasambandhan | 25607a7 | 2017-08-07 11:53:16 +0530 | [diff] [blame] | 1528 | "Packet received with Decrypt error"); |
| 1529 | break; |
| 1530 | |
Debashis Dutt | 390645c | 2016-10-04 17:31:45 -0700 | [diff] [blame] | 1531 | default: |
Mohit Khanna | f085b61 | 2019-04-02 14:43:10 -0700 | [diff] [blame] | 1532 | dp_err_rl("RXDMA error %d", |
| 1533 | wbm_err_info.rxdma_err_code); |
Debashis Dutt | 390645c | 2016-10-04 17:31:45 -0700 | [diff] [blame] | 1534 | } |
| 1535 | } |
| 1536 | } else { |
| 1537 | /* Should not come here */ |
| 1538 | qdf_assert(0); |
| 1539 | } |
Debashis Dutt | 390645c | 2016-10-04 17:31:45 -0700 | [diff] [blame] | 1540 | |
Sravan Kumar Kairam | 26d471e | 2018-08-14 23:51:58 +0530 | [diff] [blame] | 1541 | if (peer) |
| 1542 | dp_peer_unref_del_find_by_id(peer); |
| 1543 | |
Balamurugan Mahalingam | d015964 | 2018-07-11 15:02:29 +0530 | [diff] [blame] | 1544 | hal_rx_dump_pkt_tlvs(hal_soc, rx_tlv_hdr, |
| 1545 | QDF_TRACE_LEVEL_DEBUG); |
chenguo | d70b7d9 | 2018-01-13 17:40:27 +0800 | [diff] [blame] | 1546 | qdf_nbuf_free(nbuf); |
Tallapragada Kalyan | 9403463 | 2017-12-07 17:29:13 +0530 | [diff] [blame] | 1547 | nbuf = next; |
Debashis Dutt | 390645c | 2016-10-04 17:31:45 -0700 | [diff] [blame] | 1548 | } |
Tallapragada Kalyan | 9403463 | 2017-12-07 17:29:13 +0530 | [diff] [blame] | 1549 | return rx_bufs_used; /* Assume no scale factor for now */ |
Debashis Dutt | 390645c | 2016-10-04 17:31:45 -0700 | [diff] [blame] | 1550 | } |
Pramod Simha | e382ff8 | 2017-06-05 18:09:26 -0700 | [diff] [blame] | 1551 | |
| 1552 | /** |
nwzhao | ea2ffbb | 2019-01-31 11:43:17 -0800 | [diff] [blame] | 1553 | * dup_desc_dbg() - dump and assert if duplicate rx desc found |
| 1554 | * |
| 1555 | * @soc: core DP main context |
| 1556 | * @rxdma_dst_ring_desc: void pointer to monitor link descriptor buf addr info |
| 1557 | * @rx_desc: void pointer to rx descriptor |
| 1558 | * |
| 1559 | * Return: void |
| 1560 | */ |
| 1561 | static void dup_desc_dbg(struct dp_soc *soc, |
| 1562 | void *rxdma_dst_ring_desc, |
| 1563 | void *rx_desc) |
| 1564 | { |
| 1565 | DP_STATS_INC(soc, rx.err.hal_rxdma_err_dup, 1); |
| 1566 | dp_rx_dump_info_and_assert(soc, |
| 1567 | soc->rx_rel_ring.hal_srng, |
| 1568 | rxdma_dst_ring_desc, |
| 1569 | rx_desc); |
| 1570 | } |
| 1571 | |
| 1572 | /** |
Pramod Simha | e382ff8 | 2017-06-05 18:09:26 -0700 | [diff] [blame] | 1573 | * dp_rx_err_mpdu_pop() - extract the MSDU's from link descs |
| 1574 | * |
| 1575 | * @soc: core DP main context |
| 1576 | * @mac_id: mac id which is one of 3 mac_ids |
| 1577 | * @rxdma_dst_ring_desc: void pointer to monitor link descriptor buf addr info |
| 1578 | * @head: head of descs list to be freed |
| 1579 | * @tail: tail of decs list to be freed |
| 1580 | |
| 1581 | * Return: number of msdu in MPDU to be popped |
| 1582 | */ |
| 1583 | static inline uint32_t |
| 1584 | dp_rx_err_mpdu_pop(struct dp_soc *soc, uint32_t mac_id, |
| 1585 | void *rxdma_dst_ring_desc, |
| 1586 | union dp_rx_desc_list_elem_t **head, |
| 1587 | union dp_rx_desc_list_elem_t **tail) |
| 1588 | { |
| 1589 | void *rx_msdu_link_desc; |
| 1590 | qdf_nbuf_t msdu; |
| 1591 | qdf_nbuf_t last; |
| 1592 | struct hal_rx_msdu_list msdu_list; |
Karunakar Dasineni | 80cded8 | 2017-07-10 10:49:55 -0700 | [diff] [blame] | 1593 | uint16_t num_msdus; |
Pramod Simha | e382ff8 | 2017-06-05 18:09:26 -0700 | [diff] [blame] | 1594 | struct hal_buf_info buf_info; |
| 1595 | void *p_buf_addr_info; |
| 1596 | void *p_last_buf_addr_info; |
| 1597 | uint32_t rx_bufs_used = 0; |
| 1598 | uint32_t msdu_cnt; |
| 1599 | uint32_t i; |
Karunakar Dasineni | 15a3d48 | 2017-07-12 19:19:40 -0700 | [diff] [blame] | 1600 | uint8_t push_reason; |
| 1601 | uint8_t rxdma_error_code = 0; |
Tallapragada Kalyan | 0017291 | 2017-09-26 21:04:24 +0530 | [diff] [blame] | 1602 | uint8_t bm_action = HAL_BM_ACTION_PUT_IN_IDLE_LIST; |
Manjunathappa Prakash | d9ce350 | 2018-02-05 14:09:17 -0800 | [diff] [blame] | 1603 | struct dp_pdev *pdev = dp_get_pdev_for_mac_id(soc, mac_id); |
nwzhao | ea2ffbb | 2019-01-31 11:43:17 -0800 | [diff] [blame] | 1604 | void *ring_desc; |
Pramod Simha | e382ff8 | 2017-06-05 18:09:26 -0700 | [diff] [blame] | 1605 | |
| 1606 | msdu = 0; |
| 1607 | |
| 1608 | last = NULL; |
| 1609 | |
| 1610 | hal_rx_reo_ent_buf_paddr_get(rxdma_dst_ring_desc, &buf_info, |
Kai Chen | 634d53f | 2017-07-15 18:49:02 -0700 | [diff] [blame] | 1611 | &p_last_buf_addr_info, &msdu_cnt); |
Pramod Simha | e382ff8 | 2017-06-05 18:09:26 -0700 | [diff] [blame] | 1612 | |
Karunakar Dasineni | 15a3d48 | 2017-07-12 19:19:40 -0700 | [diff] [blame] | 1613 | push_reason = |
| 1614 | hal_rx_reo_ent_rxdma_push_reason_get(rxdma_dst_ring_desc); |
| 1615 | if (push_reason == HAL_RX_WBM_RXDMA_PSH_RSN_ERROR) { |
| 1616 | rxdma_error_code = |
| 1617 | hal_rx_reo_ent_rxdma_error_code_get(rxdma_dst_ring_desc); |
| 1618 | } |
| 1619 | |
Pramod Simha | e382ff8 | 2017-06-05 18:09:26 -0700 | [diff] [blame] | 1620 | do { |
| 1621 | rx_msdu_link_desc = |
| 1622 | dp_rx_cookie_2_link_desc_va(soc, &buf_info); |
| 1623 | |
| 1624 | qdf_assert(rx_msdu_link_desc); |
| 1625 | |
Balamurugan Mahalingam | 3715aa4 | 2018-08-22 02:13:14 +0530 | [diff] [blame] | 1626 | hal_rx_msdu_list_get(soc->hal_soc, rx_msdu_link_desc, |
| 1627 | &msdu_list, &num_msdus); |
Pramod Simha | e382ff8 | 2017-06-05 18:09:26 -0700 | [diff] [blame] | 1628 | |
Karunakar Dasineni | 15a3d48 | 2017-07-12 19:19:40 -0700 | [diff] [blame] | 1629 | if (msdu_list.sw_cookie[0] != HAL_RX_COOKIE_SPECIAL) { |
Tallapragada Kalyan | 0017291 | 2017-09-26 21:04:24 +0530 | [diff] [blame] | 1630 | /* if the msdus belongs to NSS offloaded radio && |
Venkata Sharath Chandra Manchala | 16fcceb | 2018-01-03 11:27:15 -0800 | [diff] [blame] | 1631 | * the rbm is not SW1_BM then return the msdu_link |
Tallapragada Kalyan | 0017291 | 2017-09-26 21:04:24 +0530 | [diff] [blame] | 1632 | * descriptor without freeing the msdus (nbufs). let |
| 1633 | * these buffers be given to NSS completion ring for |
| 1634 | * NSS to free them. |
| 1635 | * else iterate through the msdu link desc list and |
| 1636 | * free each msdu in the list. |
| 1637 | */ |
| 1638 | if (msdu_list.rbm[0] != HAL_RX_BUF_RBM_SW3_BM && |
| 1639 | wlan_cfg_get_dp_pdev_nss_enabled( |
| 1640 | pdev->wlan_cfg_ctx)) |
| 1641 | bm_action = HAL_BM_ACTION_RELEASE_MSDU_LIST; |
| 1642 | else { |
| 1643 | for (i = 0; i < num_msdus; i++) { |
| 1644 | struct dp_rx_desc *rx_desc = |
| 1645 | dp_rx_cookie_2_va_rxdma_buf(soc, |
| 1646 | msdu_list.sw_cookie[i]); |
Pamidipati, Vijay | b75e810 | 2018-11-05 12:41:18 +0530 | [diff] [blame] | 1647 | qdf_assert_always(rx_desc); |
Tallapragada Kalyan | 0017291 | 2017-09-26 21:04:24 +0530 | [diff] [blame] | 1648 | msdu = rx_desc->nbuf; |
nwzhao | ea2ffbb | 2019-01-31 11:43:17 -0800 | [diff] [blame] | 1649 | /* |
| 1650 | * this is a unlikely scenario |
| 1651 | * where the host is reaping |
| 1652 | * a descriptor which |
| 1653 | * it already reaped just a while ago |
| 1654 | * but is yet to replenish |
| 1655 | * it back to HW. |
| 1656 | * In this case host will dump |
| 1657 | * the last 128 descriptors |
| 1658 | * including the software descriptor |
| 1659 | * rx_desc and assert. |
| 1660 | */ |
| 1661 | ring_desc = rxdma_dst_ring_desc; |
| 1662 | if (qdf_unlikely(!rx_desc->in_use)) { |
| 1663 | dup_desc_dbg(soc, |
| 1664 | ring_desc, |
| 1665 | rx_desc); |
| 1666 | continue; |
| 1667 | } |
Pramod Simha | e382ff8 | 2017-06-05 18:09:26 -0700 | [diff] [blame] | 1668 | |
Tallapragada Kalyan | 0017291 | 2017-09-26 21:04:24 +0530 | [diff] [blame] | 1669 | qdf_nbuf_unmap_single(soc->osdev, msdu, |
| 1670 | QDF_DMA_FROM_DEVICE); |
Pramod Simha | e382ff8 | 2017-06-05 18:09:26 -0700 | [diff] [blame] | 1671 | |
Tallapragada Kalyan | 0017291 | 2017-09-26 21:04:24 +0530 | [diff] [blame] | 1672 | QDF_TRACE(QDF_MODULE_ID_DP, |
| 1673 | QDF_TRACE_LEVEL_DEBUG, |
Aditya Sathish | ded018e | 2018-07-02 16:25:21 +0530 | [diff] [blame] | 1674 | "[%s][%d] msdu_nbuf=%pK ", |
Tallapragada Kalyan | 0017291 | 2017-09-26 21:04:24 +0530 | [diff] [blame] | 1675 | __func__, __LINE__, msdu); |
Pramod Simha | e382ff8 | 2017-06-05 18:09:26 -0700 | [diff] [blame] | 1676 | |
Tallapragada Kalyan | 0017291 | 2017-09-26 21:04:24 +0530 | [diff] [blame] | 1677 | qdf_nbuf_free(msdu); |
| 1678 | rx_bufs_used++; |
| 1679 | dp_rx_add_to_free_desc_list(head, |
| 1680 | tail, rx_desc); |
| 1681 | } |
Karunakar Dasineni | 15a3d48 | 2017-07-12 19:19:40 -0700 | [diff] [blame] | 1682 | } |
| 1683 | } else { |
| 1684 | rxdma_error_code = HAL_RXDMA_ERR_WAR; |
Pramod Simha | e382ff8 | 2017-06-05 18:09:26 -0700 | [diff] [blame] | 1685 | } |
| 1686 | |
| 1687 | hal_rx_mon_next_link_desc_get(rx_msdu_link_desc, &buf_info, |
| 1688 | &p_buf_addr_info); |
| 1689 | |
Tallapragada Kalyan | 0017291 | 2017-09-26 21:04:24 +0530 | [diff] [blame] | 1690 | dp_rx_link_desc_return(soc, p_last_buf_addr_info, bm_action); |
Pramod Simha | e382ff8 | 2017-06-05 18:09:26 -0700 | [diff] [blame] | 1691 | p_last_buf_addr_info = p_buf_addr_info; |
| 1692 | |
Karunakar Dasineni | a7ee2c6 | 2017-10-31 09:05:44 -0700 | [diff] [blame] | 1693 | } while (buf_info.paddr); |
Pramod Simha | e382ff8 | 2017-06-05 18:09:26 -0700 | [diff] [blame] | 1694 | |
Karunakar Dasineni | 15a3d48 | 2017-07-12 19:19:40 -0700 | [diff] [blame] | 1695 | DP_STATS_INC(soc, rx.err.rxdma_error[rxdma_error_code], 1); |
| 1696 | |
Gurumoorthi Gnanasambandhan | 25607a7 | 2017-08-07 11:53:16 +0530 | [diff] [blame] | 1697 | if (rxdma_error_code == HAL_RXDMA_ERR_DECRYPT) { |
| 1698 | QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR, |
| 1699 | "Packet received with Decrypt error"); |
| 1700 | } |
| 1701 | |
Pramod Simha | e382ff8 | 2017-06-05 18:09:26 -0700 | [diff] [blame] | 1702 | return rx_bufs_used; |
| 1703 | } |
| 1704 | |
| 1705 | /** |
| 1706 | * dp_rxdma_err_process() - RxDMA error processing functionality |
| 1707 | * |
| 1708 | * @soc: core txrx main contex |
| 1709 | * @mac_id: mac id which is one of 3 mac_ids |
| 1710 | * @hal_ring: opaque pointer to the HAL Rx Ring, which will be serviced |
| 1711 | * @quota: No. of units (packets) that can be serviced in one shot. |
| 1712 | |
| 1713 | * Return: num of buffers processed |
| 1714 | */ |
| 1715 | uint32_t |
| 1716 | dp_rxdma_err_process(struct dp_soc *soc, uint32_t mac_id, uint32_t quota) |
| 1717 | { |
Manjunathappa Prakash | e23acaf | 2017-11-10 00:17:24 -0800 | [diff] [blame] | 1718 | struct dp_pdev *pdev = dp_get_pdev_for_mac_id(soc, mac_id); |
Manjunathappa Prakash | d9ce350 | 2018-02-05 14:09:17 -0800 | [diff] [blame] | 1719 | int mac_for_pdev = dp_get_mac_id_for_mac(soc, mac_id); |
Pramod Simha | e382ff8 | 2017-06-05 18:09:26 -0700 | [diff] [blame] | 1720 | void *hal_soc; |
| 1721 | void *rxdma_dst_ring_desc; |
| 1722 | void *err_dst_srng; |
| 1723 | union dp_rx_desc_list_elem_t *head = NULL; |
| 1724 | union dp_rx_desc_list_elem_t *tail = NULL; |
| 1725 | struct dp_srng *dp_rxdma_srng; |
| 1726 | struct rx_desc_pool *rx_desc_pool; |
| 1727 | uint32_t work_done = 0; |
| 1728 | uint32_t rx_bufs_used = 0; |
| 1729 | |
Pramod Simha | e382ff8 | 2017-06-05 18:09:26 -0700 | [diff] [blame] | 1730 | if (!pdev) |
| 1731 | return 0; |
Nandha Kishore Easwaran | e03102f | 2018-08-22 22:23:00 +0530 | [diff] [blame] | 1732 | |
Manjunathappa Prakash | d9ce350 | 2018-02-05 14:09:17 -0800 | [diff] [blame] | 1733 | err_dst_srng = pdev->rxdma_err_dst_ring[mac_for_pdev].hal_srng; |
Pramod Simha | e382ff8 | 2017-06-05 18:09:26 -0700 | [diff] [blame] | 1734 | |
| 1735 | if (!err_dst_srng) { |
| 1736 | QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR, |
| 1737 | "%s %d : HAL Monitor Destination Ring Init \ |
Aditya Sathish | ded018e | 2018-07-02 16:25:21 +0530 | [diff] [blame] | 1738 | Failed -- %pK", |
Pramod Simha | e382ff8 | 2017-06-05 18:09:26 -0700 | [diff] [blame] | 1739 | __func__, __LINE__, err_dst_srng); |
| 1740 | return 0; |
| 1741 | } |
| 1742 | |
| 1743 | hal_soc = soc->hal_soc; |
| 1744 | |
| 1745 | qdf_assert(hal_soc); |
| 1746 | |
| 1747 | if (qdf_unlikely(hal_srng_access_start(hal_soc, err_dst_srng))) { |
| 1748 | QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR, |
| 1749 | "%s %d : HAL Monitor Destination Ring Init \ |
Aditya Sathish | ded018e | 2018-07-02 16:25:21 +0530 | [diff] [blame] | 1750 | Failed -- %pK", |
Pramod Simha | e382ff8 | 2017-06-05 18:09:26 -0700 | [diff] [blame] | 1751 | __func__, __LINE__, err_dst_srng); |
| 1752 | return 0; |
| 1753 | } |
| 1754 | |
Pamidipati, Vijay | 3379c74 | 2017-11-01 18:50:43 +0530 | [diff] [blame] | 1755 | while (qdf_likely(quota-- && (rxdma_dst_ring_desc = |
| 1756 | hal_srng_dst_get_next(hal_soc, err_dst_srng)))) { |
Pramod Simha | e382ff8 | 2017-06-05 18:09:26 -0700 | [diff] [blame] | 1757 | |
| 1758 | rx_bufs_used += dp_rx_err_mpdu_pop(soc, mac_id, |
| 1759 | rxdma_dst_ring_desc, |
| 1760 | &head, &tail); |
| 1761 | } |
| 1762 | |
| 1763 | hal_srng_access_end(hal_soc, err_dst_srng); |
| 1764 | |
| 1765 | if (rx_bufs_used) { |
| 1766 | dp_rxdma_srng = &pdev->rx_refill_buf_ring; |
| 1767 | rx_desc_pool = &soc->rx_desc_buf[mac_id]; |
| 1768 | |
Manjunathappa Prakash | d9ce350 | 2018-02-05 14:09:17 -0800 | [diff] [blame] | 1769 | dp_rx_buffers_replenish(soc, mac_id, dp_rxdma_srng, |
Venkata Sharath Chandra Manchala | 16fcceb | 2018-01-03 11:27:15 -0800 | [diff] [blame] | 1770 | rx_desc_pool, rx_bufs_used, &head, &tail); |
| 1771 | |
Pramod Simha | e382ff8 | 2017-06-05 18:09:26 -0700 | [diff] [blame] | 1772 | work_done += rx_bufs_used; |
| 1773 | } |
| 1774 | |
| 1775 | return work_done; |
| 1776 | } |