1 // SPDX-License-Identifier: ISC 2 /* 3 * Copyright (c) 2005-2011 Atheros Communications Inc. 4 * Copyright (c) 2011-2017 Qualcomm Atheros, Inc. 5 */ 6 7 #include <linux/slab.h> 8 #include <linux/if_ether.h> 9 10 #include "htt.h" 11 #include "core.h" 12 #include "debug.h" 13 #include "hif.h" 14 15 static const enum htt_t2h_msg_type htt_main_t2h_msg_types[] = { 16 [HTT_MAIN_T2H_MSG_TYPE_VERSION_CONF] = HTT_T2H_MSG_TYPE_VERSION_CONF, 17 [HTT_MAIN_T2H_MSG_TYPE_RX_IND] = HTT_T2H_MSG_TYPE_RX_IND, 18 [HTT_MAIN_T2H_MSG_TYPE_RX_FLUSH] = HTT_T2H_MSG_TYPE_RX_FLUSH, 19 [HTT_MAIN_T2H_MSG_TYPE_PEER_MAP] = HTT_T2H_MSG_TYPE_PEER_MAP, 20 [HTT_MAIN_T2H_MSG_TYPE_PEER_UNMAP] = HTT_T2H_MSG_TYPE_PEER_UNMAP, 21 [HTT_MAIN_T2H_MSG_TYPE_RX_ADDBA] = HTT_T2H_MSG_TYPE_RX_ADDBA, 22 [HTT_MAIN_T2H_MSG_TYPE_RX_DELBA] = HTT_T2H_MSG_TYPE_RX_DELBA, 23 [HTT_MAIN_T2H_MSG_TYPE_TX_COMPL_IND] = HTT_T2H_MSG_TYPE_TX_COMPL_IND, 24 [HTT_MAIN_T2H_MSG_TYPE_PKTLOG] = HTT_T2H_MSG_TYPE_PKTLOG, 25 [HTT_MAIN_T2H_MSG_TYPE_STATS_CONF] = HTT_T2H_MSG_TYPE_STATS_CONF, 26 [HTT_MAIN_T2H_MSG_TYPE_RX_FRAG_IND] = HTT_T2H_MSG_TYPE_RX_FRAG_IND, 27 [HTT_MAIN_T2H_MSG_TYPE_SEC_IND] = HTT_T2H_MSG_TYPE_SEC_IND, 28 [HTT_MAIN_T2H_MSG_TYPE_TX_INSPECT_IND] = 29 HTT_T2H_MSG_TYPE_TX_INSPECT_IND, 30 [HTT_MAIN_T2H_MSG_TYPE_MGMT_TX_COMPL_IND] = 31 HTT_T2H_MSG_TYPE_MGMT_TX_COMPLETION, 32 [HTT_MAIN_T2H_MSG_TYPE_TX_CREDIT_UPDATE_IND] = 33 HTT_T2H_MSG_TYPE_TX_CREDIT_UPDATE_IND, 34 [HTT_MAIN_T2H_MSG_TYPE_RX_PN_IND] = HTT_T2H_MSG_TYPE_RX_PN_IND, 35 [HTT_MAIN_T2H_MSG_TYPE_RX_OFFLOAD_DELIVER_IND] = 36 HTT_T2H_MSG_TYPE_RX_OFFLOAD_DELIVER_IND, 37 [HTT_MAIN_T2H_MSG_TYPE_TEST] = HTT_T2H_MSG_TYPE_TEST, 38 }; 39 40 static const enum htt_t2h_msg_type htt_10x_t2h_msg_types[] = { 41 [HTT_10X_T2H_MSG_TYPE_VERSION_CONF] = HTT_T2H_MSG_TYPE_VERSION_CONF, 42 [HTT_10X_T2H_MSG_TYPE_RX_IND] = HTT_T2H_MSG_TYPE_RX_IND, 43 [HTT_10X_T2H_MSG_TYPE_RX_FLUSH] = HTT_T2H_MSG_TYPE_RX_FLUSH, 44 [HTT_10X_T2H_MSG_TYPE_PEER_MAP] = HTT_T2H_MSG_TYPE_PEER_MAP, 45 [HTT_10X_T2H_MSG_TYPE_PEER_UNMAP] = HTT_T2H_MSG_TYPE_PEER_UNMAP, 46 [HTT_10X_T2H_MSG_TYPE_RX_ADDBA] = HTT_T2H_MSG_TYPE_RX_ADDBA, 47 [HTT_10X_T2H_MSG_TYPE_RX_DELBA] = HTT_T2H_MSG_TYPE_RX_DELBA, 48 [HTT_10X_T2H_MSG_TYPE_TX_COMPL_IND] = HTT_T2H_MSG_TYPE_TX_COMPL_IND, 49 [HTT_10X_T2H_MSG_TYPE_PKTLOG] = HTT_T2H_MSG_TYPE_PKTLOG, 50 [HTT_10X_T2H_MSG_TYPE_STATS_CONF] = HTT_T2H_MSG_TYPE_STATS_CONF, 51 [HTT_10X_T2H_MSG_TYPE_RX_FRAG_IND] = HTT_T2H_MSG_TYPE_RX_FRAG_IND, 52 [HTT_10X_T2H_MSG_TYPE_SEC_IND] = HTT_T2H_MSG_TYPE_SEC_IND, 53 [HTT_10X_T2H_MSG_TYPE_RC_UPDATE_IND] = HTT_T2H_MSG_TYPE_RC_UPDATE_IND, 54 [HTT_10X_T2H_MSG_TYPE_TX_INSPECT_IND] = HTT_T2H_MSG_TYPE_TX_INSPECT_IND, 55 [HTT_10X_T2H_MSG_TYPE_TEST] = HTT_T2H_MSG_TYPE_TEST, 56 [HTT_10X_T2H_MSG_TYPE_CHAN_CHANGE] = HTT_T2H_MSG_TYPE_CHAN_CHANGE, 57 [HTT_10X_T2H_MSG_TYPE_AGGR_CONF] = HTT_T2H_MSG_TYPE_AGGR_CONF, 58 [HTT_10X_T2H_MSG_TYPE_STATS_NOUPLOAD] = HTT_T2H_MSG_TYPE_STATS_NOUPLOAD, 59 [HTT_10X_T2H_MSG_TYPE_MGMT_TX_COMPL_IND] = 60 HTT_T2H_MSG_TYPE_MGMT_TX_COMPLETION, 61 }; 62 63 static const enum htt_t2h_msg_type htt_tlv_t2h_msg_types[] = { 64 [HTT_TLV_T2H_MSG_TYPE_VERSION_CONF] = HTT_T2H_MSG_TYPE_VERSION_CONF, 65 [HTT_TLV_T2H_MSG_TYPE_RX_IND] = HTT_T2H_MSG_TYPE_RX_IND, 66 [HTT_TLV_T2H_MSG_TYPE_RX_FLUSH] = HTT_T2H_MSG_TYPE_RX_FLUSH, 67 [HTT_TLV_T2H_MSG_TYPE_PEER_MAP] = HTT_T2H_MSG_TYPE_PEER_MAP, 68 [HTT_TLV_T2H_MSG_TYPE_PEER_UNMAP] = HTT_T2H_MSG_TYPE_PEER_UNMAP, 69 [HTT_TLV_T2H_MSG_TYPE_RX_ADDBA] = HTT_T2H_MSG_TYPE_RX_ADDBA, 70 [HTT_TLV_T2H_MSG_TYPE_RX_DELBA] = HTT_T2H_MSG_TYPE_RX_DELBA, 71 [HTT_TLV_T2H_MSG_TYPE_TX_COMPL_IND] = HTT_T2H_MSG_TYPE_TX_COMPL_IND, 72 [HTT_TLV_T2H_MSG_TYPE_PKTLOG] = HTT_T2H_MSG_TYPE_PKTLOG, 73 [HTT_TLV_T2H_MSG_TYPE_STATS_CONF] = HTT_T2H_MSG_TYPE_STATS_CONF, 74 [HTT_TLV_T2H_MSG_TYPE_RX_FRAG_IND] = HTT_T2H_MSG_TYPE_RX_FRAG_IND, 75 [HTT_TLV_T2H_MSG_TYPE_SEC_IND] = HTT_T2H_MSG_TYPE_SEC_IND, 76 [HTT_TLV_T2H_MSG_TYPE_RC_UPDATE_IND] = HTT_T2H_MSG_TYPE_RC_UPDATE_IND, 77 [HTT_TLV_T2H_MSG_TYPE_TX_INSPECT_IND] = HTT_T2H_MSG_TYPE_TX_INSPECT_IND, 78 [HTT_TLV_T2H_MSG_TYPE_MGMT_TX_COMPL_IND] = 79 HTT_T2H_MSG_TYPE_MGMT_TX_COMPLETION, 80 [HTT_TLV_T2H_MSG_TYPE_TX_CREDIT_UPDATE_IND] = 81 HTT_T2H_MSG_TYPE_TX_CREDIT_UPDATE_IND, 82 [HTT_TLV_T2H_MSG_TYPE_RX_PN_IND] = HTT_T2H_MSG_TYPE_RX_PN_IND, 83 [HTT_TLV_T2H_MSG_TYPE_RX_OFFLOAD_DELIVER_IND] = 84 HTT_T2H_MSG_TYPE_RX_OFFLOAD_DELIVER_IND, 85 [HTT_TLV_T2H_MSG_TYPE_RX_IN_ORD_PADDR_IND] = 86 HTT_T2H_MSG_TYPE_RX_IN_ORD_PADDR_IND, 87 [HTT_TLV_T2H_MSG_TYPE_WDI_IPA_OP_RESPONSE] = 88 HTT_T2H_MSG_TYPE_WDI_IPA_OP_RESPONSE, 89 [HTT_TLV_T2H_MSG_TYPE_CHAN_CHANGE] = HTT_T2H_MSG_TYPE_CHAN_CHANGE, 90 [HTT_TLV_T2H_MSG_TYPE_RX_OFLD_PKT_ERR] = 91 HTT_T2H_MSG_TYPE_RX_OFLD_PKT_ERR, 92 [HTT_TLV_T2H_MSG_TYPE_TEST] = HTT_T2H_MSG_TYPE_TEST, 93 }; 94 95 static const enum htt_t2h_msg_type htt_10_4_t2h_msg_types[] = { 96 [HTT_10_4_T2H_MSG_TYPE_VERSION_CONF] = HTT_T2H_MSG_TYPE_VERSION_CONF, 97 [HTT_10_4_T2H_MSG_TYPE_RX_IND] = HTT_T2H_MSG_TYPE_RX_IND, 98 [HTT_10_4_T2H_MSG_TYPE_RX_FLUSH] = HTT_T2H_MSG_TYPE_RX_FLUSH, 99 [HTT_10_4_T2H_MSG_TYPE_PEER_MAP] = HTT_T2H_MSG_TYPE_PEER_MAP, 100 [HTT_10_4_T2H_MSG_TYPE_PEER_UNMAP] = HTT_T2H_MSG_TYPE_PEER_UNMAP, 101 [HTT_10_4_T2H_MSG_TYPE_RX_ADDBA] = HTT_T2H_MSG_TYPE_RX_ADDBA, 102 [HTT_10_4_T2H_MSG_TYPE_RX_DELBA] = HTT_T2H_MSG_TYPE_RX_DELBA, 103 [HTT_10_4_T2H_MSG_TYPE_TX_COMPL_IND] = HTT_T2H_MSG_TYPE_TX_COMPL_IND, 104 [HTT_10_4_T2H_MSG_TYPE_PKTLOG] = HTT_T2H_MSG_TYPE_PKTLOG, 105 [HTT_10_4_T2H_MSG_TYPE_STATS_CONF] = HTT_T2H_MSG_TYPE_STATS_CONF, 106 [HTT_10_4_T2H_MSG_TYPE_RX_FRAG_IND] = HTT_T2H_MSG_TYPE_RX_FRAG_IND, 107 [HTT_10_4_T2H_MSG_TYPE_SEC_IND] = HTT_T2H_MSG_TYPE_SEC_IND, 108 [HTT_10_4_T2H_MSG_TYPE_RC_UPDATE_IND] = HTT_T2H_MSG_TYPE_RC_UPDATE_IND, 109 [HTT_10_4_T2H_MSG_TYPE_TX_INSPECT_IND] = 110 HTT_T2H_MSG_TYPE_TX_INSPECT_IND, 111 [HTT_10_4_T2H_MSG_TYPE_MGMT_TX_COMPL_IND] = 112 HTT_T2H_MSG_TYPE_MGMT_TX_COMPLETION, 113 [HTT_10_4_T2H_MSG_TYPE_CHAN_CHANGE] = HTT_T2H_MSG_TYPE_CHAN_CHANGE, 114 [HTT_10_4_T2H_MSG_TYPE_TX_CREDIT_UPDATE_IND] = 115 HTT_T2H_MSG_TYPE_TX_CREDIT_UPDATE_IND, 116 [HTT_10_4_T2H_MSG_TYPE_RX_PN_IND] = HTT_T2H_MSG_TYPE_RX_PN_IND, 117 [HTT_10_4_T2H_MSG_TYPE_RX_OFFLOAD_DELIVER_IND] = 118 HTT_T2H_MSG_TYPE_RX_OFFLOAD_DELIVER_IND, 119 [HTT_10_4_T2H_MSG_TYPE_TEST] = HTT_T2H_MSG_TYPE_TEST, 120 [HTT_10_4_T2H_MSG_TYPE_EN_STATS] = HTT_T2H_MSG_TYPE_EN_STATS, 121 [HTT_10_4_T2H_MSG_TYPE_AGGR_CONF] = HTT_T2H_MSG_TYPE_AGGR_CONF, 122 [HTT_10_4_T2H_MSG_TYPE_TX_FETCH_IND] = 123 HTT_T2H_MSG_TYPE_TX_FETCH_IND, 124 [HTT_10_4_T2H_MSG_TYPE_TX_FETCH_CONFIRM] = 125 HTT_T2H_MSG_TYPE_TX_FETCH_CONFIRM, 126 [HTT_10_4_T2H_MSG_TYPE_STATS_NOUPLOAD] = 127 HTT_T2H_MSG_TYPE_STATS_NOUPLOAD, 128 [HTT_10_4_T2H_MSG_TYPE_TX_MODE_SWITCH_IND] = 129 HTT_T2H_MSG_TYPE_TX_MODE_SWITCH_IND, 130 [HTT_10_4_T2H_MSG_TYPE_PEER_STATS] = 131 HTT_T2H_MSG_TYPE_PEER_STATS, 132 }; 133 134 int ath10k_htt_connect(struct ath10k_htt *htt) 135 { 136 struct ath10k_htc_svc_conn_req conn_req; 137 struct ath10k_htc_svc_conn_resp conn_resp; 138 struct ath10k *ar = htt->ar; 139 struct ath10k_htc_ep *ep; 140 int status; 141 142 memset(&conn_req, 0, sizeof(conn_req)); 143 memset(&conn_resp, 0, sizeof(conn_resp)); 144 145 conn_req.ep_ops.ep_tx_complete = ath10k_htt_htc_tx_complete; 146 conn_req.ep_ops.ep_rx_complete = ath10k_htt_htc_t2h_msg_handler; 147 conn_req.ep_ops.ep_tx_credits = ath10k_htt_op_ep_tx_credits; 148 149 /* connect to control service */ 150 conn_req.service_id = ATH10K_HTC_SVC_ID_HTT_DATA_MSG; 151 152 status = ath10k_htc_connect_service(&htt->ar->htc, &conn_req, 153 &conn_resp); 154 155 if (status) 156 return status; 157 158 htt->eid = conn_resp.eid; 159 160 if (ar->bus_param.dev_type == ATH10K_DEV_TYPE_HL) { 161 ep = &ar->htc.endpoint[htt->eid]; 162 ath10k_htc_setup_tx_req(ep); 163 } 164 165 htt->disable_tx_comp = ath10k_hif_get_htt_tx_complete(htt->ar); 166 if (htt->disable_tx_comp) 167 ath10k_htc_change_tx_credit_flow(&htt->ar->htc, htt->eid, true); 168 169 return 0; 170 } 171 172 int ath10k_htt_init(struct ath10k *ar) 173 { 174 struct ath10k_htt *htt = &ar->htt; 175 176 htt->ar = ar; 177 178 /* 179 * Prefetch enough data to satisfy target 180 * classification engine. 181 * This is for LL chips. HL chips will probably 182 * transfer all frame in the tx fragment. 183 */ 184 htt->prefetch_len = 185 36 + /* 802.11 + qos + ht */ 186 4 + /* 802.1q */ 187 8 + /* llc snap */ 188 2; /* ip4 dscp or ip6 priority */ 189 190 switch (ar->running_fw->fw_file.htt_op_version) { 191 case ATH10K_FW_HTT_OP_VERSION_10_4: 192 ar->htt.t2h_msg_types = htt_10_4_t2h_msg_types; 193 ar->htt.t2h_msg_types_max = HTT_10_4_T2H_NUM_MSGS; 194 break; 195 case ATH10K_FW_HTT_OP_VERSION_10_1: 196 ar->htt.t2h_msg_types = htt_10x_t2h_msg_types; 197 ar->htt.t2h_msg_types_max = HTT_10X_T2H_NUM_MSGS; 198 break; 199 case ATH10K_FW_HTT_OP_VERSION_TLV: 200 ar->htt.t2h_msg_types = htt_tlv_t2h_msg_types; 201 ar->htt.t2h_msg_types_max = HTT_TLV_T2H_NUM_MSGS; 202 break; 203 case ATH10K_FW_HTT_OP_VERSION_MAIN: 204 ar->htt.t2h_msg_types = htt_main_t2h_msg_types; 205 ar->htt.t2h_msg_types_max = HTT_MAIN_T2H_NUM_MSGS; 206 break; 207 case ATH10K_FW_HTT_OP_VERSION_MAX: 208 case ATH10K_FW_HTT_OP_VERSION_UNSET: 209 WARN_ON(1); 210 return -EINVAL; 211 } 212 ath10k_htt_set_tx_ops(htt); 213 ath10k_htt_set_rx_ops(htt); 214 215 return 0; 216 } 217 218 #define HTT_TARGET_VERSION_TIMEOUT_HZ (3 * HZ) 219 220 static int ath10k_htt_verify_version(struct ath10k_htt *htt) 221 { 222 struct ath10k *ar = htt->ar; 223 224 ath10k_dbg(ar, ATH10K_DBG_BOOT, "htt target version %d.%d\n", 225 htt->target_version_major, htt->target_version_minor); 226 227 if (htt->target_version_major != 2 && 228 htt->target_version_major != 3) { 229 ath10k_err(ar, "unsupported htt major version %d. supported versions are 2 and 3\n", 230 htt->target_version_major); 231 return -ENOTSUPP; 232 } 233 234 return 0; 235 } 236 237 int ath10k_htt_setup(struct ath10k_htt *htt) 238 { 239 struct ath10k *ar = htt->ar; 240 int status; 241 242 init_completion(&htt->target_version_received); 243 244 status = ath10k_htt_h2t_ver_req_msg(htt); 245 if (status) 246 return status; 247 248 status = wait_for_completion_timeout(&htt->target_version_received, 249 HTT_TARGET_VERSION_TIMEOUT_HZ); 250 if (status == 0) { 251 ath10k_warn(ar, "htt version request timed out\n"); 252 return -ETIMEDOUT; 253 } 254 255 status = ath10k_htt_verify_version(htt); 256 if (status) { 257 ath10k_warn(ar, "failed to verify htt version: %d\n", 258 status); 259 return status; 260 } 261 262 status = ath10k_htt_send_frag_desc_bank_cfg(htt); 263 if (status) 264 return status; 265 266 status = ath10k_htt_send_rx_ring_cfg(htt); 267 if (status) { 268 ath10k_warn(ar, "failed to setup rx ring: %d\n", 269 status); 270 return status; 271 } 272 273 status = ath10k_htt_h2t_aggr_cfg_msg(htt, 274 htt->max_num_ampdu, 275 htt->max_num_amsdu); 276 if (status) { 277 ath10k_warn(ar, "failed to setup amsdu/ampdu limit: %d\n", 278 status); 279 return status; 280 } 281 282 return 0; 283 } 284