Kyle Swenson | 8d8f654 | 2021-03-15 11:02:55 -0600 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (c) 2005-2011 Atheros Communications Inc. |
| 3 | * Copyright (c) 2011-2013 Qualcomm Atheros, Inc. |
| 4 | * |
| 5 | * Permission to use, copy, modify, and/or distribute this software for any |
| 6 | * purpose with or without fee is hereby granted, provided that the above |
| 7 | * copyright notice and this permission notice appear in all copies. |
| 8 | * |
| 9 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
| 10 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
| 11 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
| 12 | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
| 13 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
| 14 | * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
| 15 | * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
| 16 | */ |
| 17 | |
| 18 | #include <linux/slab.h> |
| 19 | #include <linux/if_ether.h> |
| 20 | |
| 21 | #include "htt.h" |
| 22 | #include "core.h" |
| 23 | #include "debug.h" |
| 24 | |
| 25 | static const enum htt_t2h_msg_type htt_main_t2h_msg_types[] = { |
| 26 | [HTT_MAIN_T2H_MSG_TYPE_VERSION_CONF] = HTT_T2H_MSG_TYPE_VERSION_CONF, |
| 27 | [HTT_MAIN_T2H_MSG_TYPE_RX_IND] = HTT_T2H_MSG_TYPE_RX_IND, |
| 28 | [HTT_MAIN_T2H_MSG_TYPE_RX_FLUSH] = HTT_T2H_MSG_TYPE_RX_FLUSH, |
| 29 | [HTT_MAIN_T2H_MSG_TYPE_PEER_MAP] = HTT_T2H_MSG_TYPE_PEER_MAP, |
| 30 | [HTT_MAIN_T2H_MSG_TYPE_PEER_UNMAP] = HTT_T2H_MSG_TYPE_PEER_UNMAP, |
| 31 | [HTT_MAIN_T2H_MSG_TYPE_RX_ADDBA] = HTT_T2H_MSG_TYPE_RX_ADDBA, |
| 32 | [HTT_MAIN_T2H_MSG_TYPE_RX_DELBA] = HTT_T2H_MSG_TYPE_RX_DELBA, |
| 33 | [HTT_MAIN_T2H_MSG_TYPE_TX_COMPL_IND] = HTT_T2H_MSG_TYPE_TX_COMPL_IND, |
| 34 | [HTT_MAIN_T2H_MSG_TYPE_PKTLOG] = HTT_T2H_MSG_TYPE_PKTLOG, |
| 35 | [HTT_MAIN_T2H_MSG_TYPE_STATS_CONF] = HTT_T2H_MSG_TYPE_STATS_CONF, |
| 36 | [HTT_MAIN_T2H_MSG_TYPE_RX_FRAG_IND] = HTT_T2H_MSG_TYPE_RX_FRAG_IND, |
| 37 | [HTT_MAIN_T2H_MSG_TYPE_SEC_IND] = HTT_T2H_MSG_TYPE_SEC_IND, |
| 38 | [HTT_MAIN_T2H_MSG_TYPE_TX_INSPECT_IND] = |
| 39 | HTT_T2H_MSG_TYPE_TX_INSPECT_IND, |
| 40 | [HTT_MAIN_T2H_MSG_TYPE_MGMT_TX_COMPL_IND] = |
| 41 | HTT_T2H_MSG_TYPE_MGMT_TX_COMPLETION, |
| 42 | [HTT_MAIN_T2H_MSG_TYPE_TX_CREDIT_UPDATE_IND] = |
| 43 | HTT_T2H_MSG_TYPE_TX_CREDIT_UPDATE_IND, |
| 44 | [HTT_MAIN_T2H_MSG_TYPE_RX_PN_IND] = HTT_T2H_MSG_TYPE_RX_PN_IND, |
| 45 | [HTT_MAIN_T2H_MSG_TYPE_RX_OFFLOAD_DELIVER_IND] = |
| 46 | HTT_T2H_MSG_TYPE_RX_OFFLOAD_DELIVER_IND, |
| 47 | [HTT_MAIN_T2H_MSG_TYPE_TEST] = HTT_T2H_MSG_TYPE_TEST, |
| 48 | }; |
| 49 | |
| 50 | static const enum htt_t2h_msg_type htt_10x_t2h_msg_types[] = { |
| 51 | [HTT_10X_T2H_MSG_TYPE_VERSION_CONF] = HTT_T2H_MSG_TYPE_VERSION_CONF, |
| 52 | [HTT_10X_T2H_MSG_TYPE_RX_IND] = HTT_T2H_MSG_TYPE_RX_IND, |
| 53 | [HTT_10X_T2H_MSG_TYPE_RX_FLUSH] = HTT_T2H_MSG_TYPE_RX_FLUSH, |
| 54 | [HTT_10X_T2H_MSG_TYPE_PEER_MAP] = HTT_T2H_MSG_TYPE_PEER_MAP, |
| 55 | [HTT_10X_T2H_MSG_TYPE_PEER_UNMAP] = HTT_T2H_MSG_TYPE_PEER_UNMAP, |
| 56 | [HTT_10X_T2H_MSG_TYPE_RX_ADDBA] = HTT_T2H_MSG_TYPE_RX_ADDBA, |
| 57 | [HTT_10X_T2H_MSG_TYPE_RX_DELBA] = HTT_T2H_MSG_TYPE_RX_DELBA, |
| 58 | [HTT_10X_T2H_MSG_TYPE_TX_COMPL_IND] = HTT_T2H_MSG_TYPE_TX_COMPL_IND, |
| 59 | [HTT_10X_T2H_MSG_TYPE_PKTLOG] = HTT_T2H_MSG_TYPE_PKTLOG, |
| 60 | [HTT_10X_T2H_MSG_TYPE_STATS_CONF] = HTT_T2H_MSG_TYPE_STATS_CONF, |
| 61 | [HTT_10X_T2H_MSG_TYPE_RX_FRAG_IND] = HTT_T2H_MSG_TYPE_RX_FRAG_IND, |
| 62 | [HTT_10X_T2H_MSG_TYPE_SEC_IND] = HTT_T2H_MSG_TYPE_SEC_IND, |
| 63 | [HTT_10X_T2H_MSG_TYPE_RC_UPDATE_IND] = HTT_T2H_MSG_TYPE_RC_UPDATE_IND, |
| 64 | [HTT_10X_T2H_MSG_TYPE_TX_INSPECT_IND] = HTT_T2H_MSG_TYPE_TX_INSPECT_IND, |
| 65 | [HTT_10X_T2H_MSG_TYPE_TEST] = HTT_T2H_MSG_TYPE_TEST, |
| 66 | [HTT_10X_T2H_MSG_TYPE_CHAN_CHANGE] = HTT_T2H_MSG_TYPE_CHAN_CHANGE, |
| 67 | [HTT_10X_T2H_MSG_TYPE_AGGR_CONF] = HTT_T2H_MSG_TYPE_AGGR_CONF, |
| 68 | [HTT_10X_T2H_MSG_TYPE_STATS_NOUPLOAD] = HTT_T2H_MSG_TYPE_STATS_NOUPLOAD, |
| 69 | [HTT_10X_T2H_MSG_TYPE_MGMT_TX_COMPL_IND] = |
| 70 | HTT_T2H_MSG_TYPE_MGMT_TX_COMPLETION, |
| 71 | }; |
| 72 | |
| 73 | static const enum htt_t2h_msg_type htt_tlv_t2h_msg_types[] = { |
| 74 | [HTT_TLV_T2H_MSG_TYPE_VERSION_CONF] = HTT_T2H_MSG_TYPE_VERSION_CONF, |
| 75 | [HTT_TLV_T2H_MSG_TYPE_RX_IND] = HTT_T2H_MSG_TYPE_RX_IND, |
| 76 | [HTT_TLV_T2H_MSG_TYPE_RX_FLUSH] = HTT_T2H_MSG_TYPE_RX_FLUSH, |
| 77 | [HTT_TLV_T2H_MSG_TYPE_PEER_MAP] = HTT_T2H_MSG_TYPE_PEER_MAP, |
| 78 | [HTT_TLV_T2H_MSG_TYPE_PEER_UNMAP] = HTT_T2H_MSG_TYPE_PEER_UNMAP, |
| 79 | [HTT_TLV_T2H_MSG_TYPE_RX_ADDBA] = HTT_T2H_MSG_TYPE_RX_ADDBA, |
| 80 | [HTT_TLV_T2H_MSG_TYPE_RX_DELBA] = HTT_T2H_MSG_TYPE_RX_DELBA, |
| 81 | [HTT_TLV_T2H_MSG_TYPE_TX_COMPL_IND] = HTT_T2H_MSG_TYPE_TX_COMPL_IND, |
| 82 | [HTT_TLV_T2H_MSG_TYPE_PKTLOG] = HTT_T2H_MSG_TYPE_PKTLOG, |
| 83 | [HTT_TLV_T2H_MSG_TYPE_STATS_CONF] = HTT_T2H_MSG_TYPE_STATS_CONF, |
| 84 | [HTT_TLV_T2H_MSG_TYPE_RX_FRAG_IND] = HTT_T2H_MSG_TYPE_RX_FRAG_IND, |
| 85 | [HTT_TLV_T2H_MSG_TYPE_SEC_IND] = HTT_T2H_MSG_TYPE_SEC_IND, |
| 86 | [HTT_TLV_T2H_MSG_TYPE_RC_UPDATE_IND] = HTT_T2H_MSG_TYPE_RC_UPDATE_IND, |
| 87 | [HTT_TLV_T2H_MSG_TYPE_TX_INSPECT_IND] = HTT_T2H_MSG_TYPE_TX_INSPECT_IND, |
| 88 | [HTT_TLV_T2H_MSG_TYPE_MGMT_TX_COMPL_IND] = |
| 89 | HTT_T2H_MSG_TYPE_MGMT_TX_COMPLETION, |
| 90 | [HTT_TLV_T2H_MSG_TYPE_TX_CREDIT_UPDATE_IND] = |
| 91 | HTT_T2H_MSG_TYPE_TX_CREDIT_UPDATE_IND, |
| 92 | [HTT_TLV_T2H_MSG_TYPE_RX_PN_IND] = HTT_T2H_MSG_TYPE_RX_PN_IND, |
| 93 | [HTT_TLV_T2H_MSG_TYPE_RX_OFFLOAD_DELIVER_IND] = |
| 94 | HTT_T2H_MSG_TYPE_RX_OFFLOAD_DELIVER_IND, |
| 95 | [HTT_TLV_T2H_MSG_TYPE_RX_IN_ORD_PADDR_IND] = |
| 96 | HTT_T2H_MSG_TYPE_RX_IN_ORD_PADDR_IND, |
| 97 | [HTT_TLV_T2H_MSG_TYPE_WDI_IPA_OP_RESPONSE] = |
| 98 | HTT_T2H_MSG_TYPE_WDI_IPA_OP_RESPONSE, |
| 99 | [HTT_TLV_T2H_MSG_TYPE_CHAN_CHANGE] = HTT_T2H_MSG_TYPE_CHAN_CHANGE, |
| 100 | [HTT_TLV_T2H_MSG_TYPE_RX_OFLD_PKT_ERR] = |
| 101 | HTT_T2H_MSG_TYPE_RX_OFLD_PKT_ERR, |
| 102 | [HTT_TLV_T2H_MSG_TYPE_TEST] = HTT_T2H_MSG_TYPE_TEST, |
| 103 | }; |
| 104 | |
| 105 | static const enum htt_t2h_msg_type htt_10_4_t2h_msg_types[] = { |
| 106 | [HTT_10_4_T2H_MSG_TYPE_VERSION_CONF] = HTT_T2H_MSG_TYPE_VERSION_CONF, |
| 107 | [HTT_10_4_T2H_MSG_TYPE_RX_IND] = HTT_T2H_MSG_TYPE_RX_IND, |
| 108 | [HTT_10_4_T2H_MSG_TYPE_RX_FLUSH] = HTT_T2H_MSG_TYPE_RX_FLUSH, |
| 109 | [HTT_10_4_T2H_MSG_TYPE_PEER_MAP] = HTT_T2H_MSG_TYPE_PEER_MAP, |
| 110 | [HTT_10_4_T2H_MSG_TYPE_PEER_UNMAP] = HTT_T2H_MSG_TYPE_PEER_UNMAP, |
| 111 | [HTT_10_4_T2H_MSG_TYPE_RX_ADDBA] = HTT_T2H_MSG_TYPE_RX_ADDBA, |
| 112 | [HTT_10_4_T2H_MSG_TYPE_RX_DELBA] = HTT_T2H_MSG_TYPE_RX_DELBA, |
| 113 | [HTT_10_4_T2H_MSG_TYPE_TX_COMPL_IND] = HTT_T2H_MSG_TYPE_TX_COMPL_IND, |
| 114 | [HTT_10_4_T2H_MSG_TYPE_PKTLOG] = HTT_T2H_MSG_TYPE_PKTLOG, |
| 115 | [HTT_10_4_T2H_MSG_TYPE_STATS_CONF] = HTT_T2H_MSG_TYPE_STATS_CONF, |
| 116 | [HTT_10_4_T2H_MSG_TYPE_RX_FRAG_IND] = HTT_T2H_MSG_TYPE_RX_FRAG_IND, |
| 117 | [HTT_10_4_T2H_MSG_TYPE_SEC_IND] = HTT_T2H_MSG_TYPE_SEC_IND, |
| 118 | [HTT_10_4_T2H_MSG_TYPE_RC_UPDATE_IND] = HTT_T2H_MSG_TYPE_RC_UPDATE_IND, |
| 119 | [HTT_10_4_T2H_MSG_TYPE_TX_INSPECT_IND] = |
| 120 | HTT_T2H_MSG_TYPE_TX_INSPECT_IND, |
| 121 | [HTT_10_4_T2H_MSG_TYPE_MGMT_TX_COMPL_IND] = |
| 122 | HTT_T2H_MSG_TYPE_MGMT_TX_COMPLETION, |
| 123 | [HTT_10_4_T2H_MSG_TYPE_CHAN_CHANGE] = HTT_T2H_MSG_TYPE_CHAN_CHANGE, |
| 124 | [HTT_10_4_T2H_MSG_TYPE_TX_CREDIT_UPDATE_IND] = |
| 125 | HTT_T2H_MSG_TYPE_TX_CREDIT_UPDATE_IND, |
| 126 | [HTT_10_4_T2H_MSG_TYPE_RX_PN_IND] = HTT_T2H_MSG_TYPE_RX_PN_IND, |
| 127 | [HTT_10_4_T2H_MSG_TYPE_RX_OFFLOAD_DELIVER_IND] = |
| 128 | HTT_T2H_MSG_TYPE_RX_OFFLOAD_DELIVER_IND, |
| 129 | [HTT_10_4_T2H_MSG_TYPE_TEST] = HTT_T2H_MSG_TYPE_TEST, |
| 130 | [HTT_10_4_T2H_MSG_TYPE_EN_STATS] = HTT_T2H_MSG_TYPE_EN_STATS, |
| 131 | [HTT_10_4_T2H_MSG_TYPE_AGGR_CONF] = HTT_T2H_MSG_TYPE_AGGR_CONF, |
| 132 | [HTT_10_4_T2H_MSG_TYPE_TX_FETCH_IND] = |
| 133 | HTT_T2H_MSG_TYPE_TX_FETCH_IND, |
| 134 | [HTT_10_4_T2H_MSG_TYPE_TX_FETCH_CONF] = |
| 135 | HTT_T2H_MSG_TYPE_TX_FETCH_CONF, |
| 136 | [HTT_10_4_T2H_MSG_TYPE_STATS_NOUPLOAD] = |
| 137 | HTT_T2H_MSG_TYPE_STATS_NOUPLOAD, |
| 138 | [HTT_10_4_T2H_MSG_TYPE_TX_LOW_LATENCY_IND] = |
| 139 | HTT_T2H_MSG_TYPE_TX_LOW_LATENCY_IND, |
| 140 | }; |
| 141 | |
| 142 | int ath10k_htt_connect(struct ath10k_htt *htt) |
| 143 | { |
| 144 | struct ath10k_htc_svc_conn_req conn_req; |
| 145 | struct ath10k_htc_svc_conn_resp conn_resp; |
| 146 | int status; |
| 147 | |
| 148 | memset(&conn_req, 0, sizeof(conn_req)); |
| 149 | memset(&conn_resp, 0, sizeof(conn_resp)); |
| 150 | |
| 151 | conn_req.ep_ops.ep_tx_complete = ath10k_htt_htc_tx_complete; |
| 152 | conn_req.ep_ops.ep_rx_complete = ath10k_htt_t2h_msg_handler; |
| 153 | |
| 154 | /* connect to control service */ |
| 155 | conn_req.service_id = ATH10K_HTC_SVC_ID_HTT_DATA_MSG; |
| 156 | |
| 157 | status = ath10k_htc_connect_service(&htt->ar->htc, &conn_req, |
| 158 | &conn_resp); |
| 159 | |
| 160 | if (status) |
| 161 | return status; |
| 162 | |
| 163 | htt->eid = conn_resp.eid; |
| 164 | |
| 165 | return 0; |
| 166 | } |
| 167 | |
| 168 | int ath10k_htt_init(struct ath10k *ar) |
| 169 | { |
| 170 | struct ath10k_htt *htt = &ar->htt; |
| 171 | |
| 172 | htt->ar = ar; |
| 173 | |
| 174 | /* |
| 175 | * Prefetch enough data to satisfy target |
| 176 | * classification engine. |
| 177 | * This is for LL chips. HL chips will probably |
| 178 | * transfer all frame in the tx fragment. |
| 179 | */ |
| 180 | htt->prefetch_len = |
| 181 | 36 + /* 802.11 + qos + ht */ |
| 182 | 4 + /* 802.1q */ |
| 183 | 8 + /* llc snap */ |
| 184 | 2; /* ip4 dscp or ip6 priority */ |
| 185 | |
| 186 | switch (ar->htt.op_version) { |
| 187 | case ATH10K_FW_HTT_OP_VERSION_10_4: |
| 188 | ar->htt.t2h_msg_types = htt_10_4_t2h_msg_types; |
| 189 | ar->htt.t2h_msg_types_max = HTT_10_4_T2H_NUM_MSGS; |
| 190 | break; |
| 191 | case ATH10K_FW_HTT_OP_VERSION_10_1: |
| 192 | ar->htt.t2h_msg_types = htt_10x_t2h_msg_types; |
| 193 | ar->htt.t2h_msg_types_max = HTT_10X_T2H_NUM_MSGS; |
| 194 | break; |
| 195 | case ATH10K_FW_HTT_OP_VERSION_TLV: |
| 196 | ar->htt.t2h_msg_types = htt_tlv_t2h_msg_types; |
| 197 | ar->htt.t2h_msg_types_max = HTT_TLV_T2H_NUM_MSGS; |
| 198 | break; |
| 199 | case ATH10K_FW_HTT_OP_VERSION_MAIN: |
| 200 | ar->htt.t2h_msg_types = htt_main_t2h_msg_types; |
| 201 | ar->htt.t2h_msg_types_max = HTT_MAIN_T2H_NUM_MSGS; |
| 202 | break; |
| 203 | case ATH10K_FW_HTT_OP_VERSION_MAX: |
| 204 | case ATH10K_FW_HTT_OP_VERSION_UNSET: |
| 205 | WARN_ON(1); |
| 206 | return -EINVAL; |
| 207 | } |
| 208 | return 0; |
| 209 | } |
| 210 | |
| 211 | #define HTT_TARGET_VERSION_TIMEOUT_HZ (3*HZ) |
| 212 | |
| 213 | static int ath10k_htt_verify_version(struct ath10k_htt *htt) |
| 214 | { |
| 215 | struct ath10k *ar = htt->ar; |
| 216 | |
| 217 | ath10k_dbg(ar, ATH10K_DBG_BOOT, "htt target version %d.%d\n", |
| 218 | htt->target_version_major, htt->target_version_minor); |
| 219 | |
| 220 | if (htt->target_version_major != 2 && |
| 221 | htt->target_version_major != 3) { |
| 222 | ath10k_err(ar, "unsupported htt major version %d. supported versions are 2 and 3\n", |
| 223 | htt->target_version_major); |
| 224 | return -ENOTSUPP; |
| 225 | } |
| 226 | |
| 227 | return 0; |
| 228 | } |
| 229 | |
| 230 | int ath10k_htt_setup(struct ath10k_htt *htt) |
| 231 | { |
| 232 | struct ath10k *ar = htt->ar; |
| 233 | int status; |
| 234 | |
| 235 | init_completion(&htt->target_version_received); |
| 236 | |
| 237 | status = ath10k_htt_h2t_ver_req_msg(htt); |
| 238 | if (status) |
| 239 | return status; |
| 240 | |
| 241 | status = wait_for_completion_timeout(&htt->target_version_received, |
| 242 | HTT_TARGET_VERSION_TIMEOUT_HZ); |
| 243 | if (status == 0) { |
| 244 | ath10k_warn(ar, "htt version request timed out\n"); |
| 245 | return -ETIMEDOUT; |
| 246 | } |
| 247 | |
| 248 | status = ath10k_htt_verify_version(htt); |
| 249 | if (status) { |
| 250 | ath10k_warn(ar, "failed to verify htt version: %d\n", |
| 251 | status); |
| 252 | return status; |
| 253 | } |
| 254 | |
| 255 | status = ath10k_htt_send_frag_desc_bank_cfg(htt); |
| 256 | if (status) |
| 257 | return status; |
| 258 | |
| 259 | status = ath10k_htt_send_rx_ring_cfg_ll(htt); |
| 260 | if (status) { |
| 261 | ath10k_warn(ar, "failed to setup rx ring: %d\n", |
| 262 | status); |
| 263 | return status; |
| 264 | } |
| 265 | |
| 266 | status = ath10k_htt_h2t_aggr_cfg_msg(htt, |
| 267 | htt->max_num_ampdu, |
| 268 | htt->max_num_amsdu); |
| 269 | if (status) { |
| 270 | ath10k_warn(ar, "failed to setup amsdu/ampdu limit: %d\n", |
| 271 | status); |
| 272 | return status; |
| 273 | } |
| 274 | |
| 275 | return 0; |
| 276 | } |