1 /* 2 * Copyright (c) 2016-2018 The Linux Foundation. All rights reserved. 3 * 4 * Permission to use, copy, modify, and/or distribute this software for 5 * any purpose with or without fee is hereby granted, provided that the 6 * above copyright notice and this permission notice appear in all 7 * copies. 8 * 9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL 10 * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED 11 * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE 12 * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL 13 * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR 14 * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER 15 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR 16 * PERFORMANCE OF THIS SOFTWARE. 17 */ 18 #include "hal_hw_headers.h" 19 #include "hal_internal.h" 20 #include "cdp_txrx_mon_struct.h" 21 #include "qdf_trace.h" 22 #include "hal_rx.h" 23 #include "hal_tx.h" 24 #include "dp_types.h" 25 #include "hal_api_mon.h" 26 27 #define HAL_RX_MSDU_START_MIMO_SS_BITMAP(_rx_msdu_start)\ 28 (_HAL_MS((*_OFFSET_TO_WORD_PTR((_rx_msdu_start),\ 29 RX_MSDU_START_5_MIMO_SS_BITMAP_OFFSET)), \ 30 RX_MSDU_START_5_MIMO_SS_BITMAP_MASK, \ 31 RX_MSDU_START_5_MIMO_SS_BITMAP_LSB)) 32 /* 33 * hal_rx_msdu_start_nss_get_8074v2(): API to get the NSS 34 * Interval from rx_msdu_start 35 * 36 * @buf: pointer to the start of RX PKT TLV header 37 * Return: uint32_t(nss) 38 */ 39 static uint32_t hal_rx_msdu_start_nss_get_8074v2(uint8_t *buf) 40 { 41 struct rx_pkt_tlvs *pkt_tlvs = (struct rx_pkt_tlvs *)buf; 42 struct rx_msdu_start *msdu_start = 43 &pkt_tlvs->msdu_start_tlv.rx_msdu_start; 44 uint8_t mimo_ss_bitmap; 45 46 mimo_ss_bitmap = HAL_RX_MSDU_START_MIMO_SS_BITMAP(msdu_start); 47 48 return qdf_get_hweight8(mimo_ss_bitmap); 49 } 50 51 /** 52 * hal_rx_mon_hw_desc_get_mpdu_status_8074v2(): Retrieve MPDU status 53 * 54 * @ hw_desc_addr: Start address of Rx HW TLVs 55 * @ rs: Status for monitor mode 56 * 57 * Return: void 58 */ 59 static void hal_rx_mon_hw_desc_get_mpdu_status_8074v2(void *hw_desc_addr, 60 struct mon_rx_status *rs) 61 { 62 struct rx_msdu_start *rx_msdu_start; 63 struct rx_pkt_tlvs *rx_desc = (struct rx_pkt_tlvs *)hw_desc_addr; 64 uint32_t reg_value; 65 const uint32_t sgi_hw_to_cdp[] = { 66 CDP_SGI_0_8_US, 67 CDP_SGI_0_4_US, 68 CDP_SGI_1_6_US, 69 CDP_SGI_3_2_US, 70 }; 71 72 rx_msdu_start = &rx_desc->msdu_start_tlv.rx_msdu_start; 73 74 HAL_RX_GET_MSDU_AGGREGATION(rx_desc, rs); 75 76 rs->ant_signal_db = HAL_RX_GET(rx_msdu_start, 77 RX_MSDU_START_5, USER_RSSI); 78 rs->is_stbc = HAL_RX_GET(rx_msdu_start, RX_MSDU_START_5, STBC); 79 80 reg_value = HAL_RX_GET(rx_msdu_start, RX_MSDU_START_5, SGI); 81 rs->sgi = sgi_hw_to_cdp[reg_value]; 82 reg_value = HAL_RX_GET(rx_msdu_start, RX_MSDU_START_5, PKT_TYPE); 83 switch (reg_value) { 84 case HAL_RX_PKT_TYPE_11N: 85 rs->ht_flags = 1; 86 break; 87 case HAL_RX_PKT_TYPE_11AC: 88 rs->vht_flags = 1; 89 reg_value = HAL_RX_GET(rx_msdu_start, RX_MSDU_START_5, 90 RECEIVE_BANDWIDTH); 91 rs->vht_flag_values2 = reg_value; 92 break; 93 case HAL_RX_PKT_TYPE_11AX: 94 rs->he_flags = 1; 95 break; 96 default: 97 break; 98 } 99 reg_value = HAL_RX_GET(rx_msdu_start, RX_MSDU_START_5, RECEPTION_TYPE); 100 rs->beamformed = (reg_value == HAL_RX_RECEPTION_TYPE_MU_MIMO) ? 1 : 0; 101 /* TODO: rs->beamformed should be set for SU beamforming also */ 102 } 103 104 #define LINK_DESC_SIZE (NUM_OF_DWORDS_RX_MSDU_LINK << 2) 105 static uint32_t hal_get_link_desc_size_8074v2(void) 106 { 107 return LINK_DESC_SIZE; 108 } 109 110 /* 111 * hal_rx_get_tlv_8074v2(): API to get the tlv 112 * 113 * @rx_tlv: TLV data extracted from the rx packet 114 * Return: uint8_t 115 */ 116 static uint8_t hal_rx_get_tlv_8074v2(void *rx_tlv) 117 { 118 return HAL_RX_GET(rx_tlv, PHYRX_RSSI_LEGACY_0, RECEIVE_BANDWIDTH); 119 } 120 121 /** 122 * hal_rx_proc_phyrx_other_receive_info_tlv_8074v2() 123 * -process other receive info TLV 124 * @rx_tlv_hdr: pointer to TLV header 125 * @ppdu_info: pointer to ppdu_info 126 * 127 * Return: None 128 */ 129 static 130 void hal_rx_proc_phyrx_other_receive_info_tlv_8074v2(void *rx_tlv_hdr, 131 void *ppdu_info) 132 { 133 } 134 135 136 /** 137 * hal_rx_dump_msdu_start_tlv_8074v2() : dump RX msdu_start TLV in structured 138 * human readable format. 139 * @ msdu_start: pointer the msdu_start TLV in pkt. 140 * @ dbg_level: log level. 141 * 142 * Return: void 143 */ 144 static void hal_rx_dump_msdu_start_tlv_8074v2(void *msdustart, 145 uint8_t dbg_level) 146 { 147 struct rx_msdu_start *msdu_start = (struct rx_msdu_start *)msdustart; 148 149 QDF_TRACE(QDF_MODULE_ID_DP, dbg_level, 150 "rx_msdu_start tlv - " 151 "rxpcu_mpdu_filter_in_category: %d " 152 "sw_frame_group_id: %d " 153 "phy_ppdu_id: %d " 154 "msdu_length: %d " 155 "ipsec_esp: %d " 156 "l3_offset: %d " 157 "ipsec_ah: %d " 158 "l4_offset: %d " 159 "msdu_number: %d " 160 "decap_format: %d " 161 "ipv4_proto: %d " 162 "ipv6_proto: %d " 163 "tcp_proto: %d " 164 "udp_proto: %d " 165 "ip_frag: %d " 166 "tcp_only_ack: %d " 167 "da_is_bcast_mcast: %d " 168 "ip4_protocol_ip6_next_header: %d " 169 "toeplitz_hash_2_or_4: %d " 170 "flow_id_toeplitz: %d " 171 "user_rssi: %d " 172 "pkt_type: %d " 173 "stbc: %d " 174 "sgi: %d " 175 "rate_mcs: %d " 176 "receive_bandwidth: %d " 177 "reception_type: %d " 178 "ppdu_start_timestamp: %d " 179 "sw_phy_meta_data: %d ", 180 msdu_start->rxpcu_mpdu_filter_in_category, 181 msdu_start->sw_frame_group_id, 182 msdu_start->phy_ppdu_id, 183 msdu_start->msdu_length, 184 msdu_start->ipsec_esp, 185 msdu_start->l3_offset, 186 msdu_start->ipsec_ah, 187 msdu_start->l4_offset, 188 msdu_start->msdu_number, 189 msdu_start->decap_format, 190 msdu_start->ipv4_proto, 191 msdu_start->ipv6_proto, 192 msdu_start->tcp_proto, 193 msdu_start->udp_proto, 194 msdu_start->ip_frag, 195 msdu_start->tcp_only_ack, 196 msdu_start->da_is_bcast_mcast, 197 msdu_start->ip4_protocol_ip6_next_header, 198 msdu_start->toeplitz_hash_2_or_4, 199 msdu_start->flow_id_toeplitz, 200 msdu_start->user_rssi, 201 msdu_start->pkt_type, 202 msdu_start->stbc, 203 msdu_start->sgi, 204 msdu_start->rate_mcs, 205 msdu_start->receive_bandwidth, 206 msdu_start->reception_type, 207 msdu_start->ppdu_start_timestamp, 208 msdu_start->sw_phy_meta_data); 209 } 210 211 /** 212 * hal_rx_dump_msdu_end_tlv_8074v2: dump RX msdu_end TLV in structured 213 * human readable format. 214 * @ msdu_end: pointer the msdu_end TLV in pkt. 215 * @ dbg_level: log level. 216 * 217 * Return: void 218 */ 219 static void hal_rx_dump_msdu_end_tlv_8074v2(void *msduend, 220 uint8_t dbg_level) 221 { 222 struct rx_msdu_end *msdu_end = (struct rx_msdu_end *)msduend; 223 224 QDF_TRACE(QDF_MODULE_ID_DP, dbg_level, 225 "rx_msdu_end tlv - " 226 "rxpcu_mpdu_filter_in_category: %d " 227 "sw_frame_group_id: %d " 228 "phy_ppdu_id: %d " 229 "ip_hdr_chksum: %d " 230 "tcp_udp_chksum: %d " 231 "key_id_octet: %d " 232 "cce_super_rule: %d " 233 "cce_classify_not_done_truncat: %d " 234 "cce_classify_not_done_cce_dis: %d " 235 "ext_wapi_pn_63_48: %d " 236 "ext_wapi_pn_95_64: %d " 237 "ext_wapi_pn_127_96: %d " 238 "reported_mpdu_length: %d " 239 "first_msdu: %d " 240 "last_msdu: %d " 241 "sa_idx_timeout: %d " 242 "da_idx_timeout: %d " 243 "msdu_limit_error: %d " 244 "flow_idx_timeout: %d " 245 "flow_idx_invalid: %d " 246 "wifi_parser_error: %d " 247 "amsdu_parser_error: %d " 248 "sa_is_valid: %d " 249 "da_is_valid: %d " 250 "da_is_mcbc: %d " 251 "l3_header_padding: %d " 252 "ipv6_options_crc: %d " 253 "tcp_seq_number: %d " 254 "tcp_ack_number: %d " 255 "tcp_flag: %d " 256 "lro_eligible: %d " 257 "window_size: %d " 258 "da_offset: %d " 259 "sa_offset: %d " 260 "da_offset_valid: %d " 261 "sa_offset_valid: %d " 262 "rule_indication_31_0: %d " 263 "rule_indication_63_32: %d " 264 "sa_idx: %d " 265 "msdu_drop: %d " 266 "reo_destination_indication: %d " 267 "flow_idx: %d " 268 "fse_metadata: %d " 269 "cce_metadata: %d " 270 "sa_sw_peer_id: %d ", 271 msdu_end->rxpcu_mpdu_filter_in_category, 272 msdu_end->sw_frame_group_id, 273 msdu_end->phy_ppdu_id, 274 msdu_end->ip_hdr_chksum, 275 msdu_end->tcp_udp_chksum, 276 msdu_end->key_id_octet, 277 msdu_end->cce_super_rule, 278 msdu_end->cce_classify_not_done_truncate, 279 msdu_end->cce_classify_not_done_cce_dis, 280 msdu_end->ext_wapi_pn_63_48, 281 msdu_end->ext_wapi_pn_95_64, 282 msdu_end->ext_wapi_pn_127_96, 283 msdu_end->reported_mpdu_length, 284 msdu_end->first_msdu, 285 msdu_end->last_msdu, 286 msdu_end->sa_idx_timeout, 287 msdu_end->da_idx_timeout, 288 msdu_end->msdu_limit_error, 289 msdu_end->flow_idx_timeout, 290 msdu_end->flow_idx_invalid, 291 msdu_end->wifi_parser_error, 292 msdu_end->amsdu_parser_error, 293 msdu_end->sa_is_valid, 294 msdu_end->da_is_valid, 295 msdu_end->da_is_mcbc, 296 msdu_end->l3_header_padding, 297 msdu_end->ipv6_options_crc, 298 msdu_end->tcp_seq_number, 299 msdu_end->tcp_ack_number, 300 msdu_end->tcp_flag, 301 msdu_end->lro_eligible, 302 msdu_end->window_size, 303 msdu_end->da_offset, 304 msdu_end->sa_offset, 305 msdu_end->da_offset_valid, 306 msdu_end->sa_offset_valid, 307 msdu_end->rule_indication_31_0, 308 msdu_end->rule_indication_63_32, 309 msdu_end->sa_idx, 310 msdu_end->msdu_drop, 311 msdu_end->reo_destination_indication, 312 msdu_end->flow_idx, 313 msdu_end->fse_metadata, 314 msdu_end->cce_metadata, 315 msdu_end->sa_sw_peer_id); 316 } 317 318 319 /* 320 * Get tid from RX_MPDU_START 321 */ 322 #define HAL_RX_MPDU_INFO_TID_GET(_rx_mpdu_info) \ 323 (_HAL_MS((*_OFFSET_TO_WORD_PTR((_rx_mpdu_info), \ 324 RX_MPDU_INFO_3_TID_OFFSET)), \ 325 RX_MPDU_INFO_3_TID_MASK, \ 326 RX_MPDU_INFO_3_TID_LSB)) 327 328 static uint32_t hal_rx_mpdu_start_tid_get_8074v2(uint8_t *buf) 329 { 330 struct rx_pkt_tlvs *pkt_tlvs = (struct rx_pkt_tlvs *)buf; 331 struct rx_mpdu_start *mpdu_start = 332 &pkt_tlvs->mpdu_start_tlv.rx_mpdu_start; 333 uint32_t tid; 334 335 tid = HAL_RX_MPDU_INFO_TID_GET(&mpdu_start->rx_mpdu_info_details); 336 337 return tid; 338 } 339 340 #define HAL_RX_MSDU_START_RECEPTION_TYPE_GET(_rx_msdu_start) \ 341 (_HAL_MS((*_OFFSET_TO_WORD_PTR((_rx_msdu_start), \ 342 RX_MSDU_START_5_RECEPTION_TYPE_OFFSET)), \ 343 RX_MSDU_START_5_RECEPTION_TYPE_MASK, \ 344 RX_MSDU_START_5_RECEPTION_TYPE_LSB)) 345 346 /* 347 * hal_rx_msdu_start_reception_type_get(): API to get the reception type 348 * Interval from rx_msdu_start 349 * 350 * @buf: pointer to the start of RX PKT TLV header 351 * Return: uint32_t(reception_type) 352 */ 353 static uint32_t hal_rx_msdu_start_reception_type_get_8074v2(uint8_t *buf) 354 { 355 struct rx_pkt_tlvs *pkt_tlvs = (struct rx_pkt_tlvs *)buf; 356 struct rx_msdu_start *msdu_start = 357 &pkt_tlvs->msdu_start_tlv.rx_msdu_start; 358 uint32_t reception_type; 359 360 reception_type = HAL_RX_MSDU_START_RECEPTION_TYPE_GET(msdu_start); 361 362 return reception_type; 363 } 364 365 /* RX_MSDU_END_13_DA_IDX_OR_SW_PEER_ID_OFFSET */ 366 #define HAL_RX_MSDU_END_DA_IDX_GET(_rx_msdu_end) \ 367 (_HAL_MS((*_OFFSET_TO_WORD_PTR(_rx_msdu_end, \ 368 RX_MSDU_END_13_DA_IDX_OR_SW_PEER_ID_OFFSET)), \ 369 RX_MSDU_END_13_DA_IDX_OR_SW_PEER_ID_MASK, \ 370 RX_MSDU_END_13_DA_IDX_OR_SW_PEER_ID_LSB)) 371 /** 372 * hal_rx_msdu_end_da_idx_get_8074v2: API to get da_idx 373 * from rx_msdu_end TLV 374 * 375 * @ buf: pointer to the start of RX PKT TLV headers 376 * Return: da index 377 */ 378 static uint16_t hal_rx_msdu_end_da_idx_get_8074v2(uint8_t *buf) 379 { 380 struct rx_pkt_tlvs *pkt_tlvs = (struct rx_pkt_tlvs *)buf; 381 struct rx_msdu_end *msdu_end = &pkt_tlvs->msdu_end_tlv.rx_msdu_end; 382 uint16_t da_idx; 383 384 da_idx = HAL_RX_MSDU_END_DA_IDX_GET(msdu_end); 385 386 return da_idx; 387 } 388 389