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