diff options
Diffstat (limited to 'drivers/net/wireless/ath/ath10k/htt.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath10k/htt.c | 436 |
1 files changed, 436 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath10k/htt.c b/drivers/net/wireless/ath/ath10k/htt.c new file mode 100644 index 000000000..907e1e138 --- /dev/null +++ b/drivers/net/wireless/ath/ath10k/htt.c @@ -0,0 +1,436 @@ +// SPDX-License-Identifier: ISC +/* + * Copyright (c) 2005-2011 Atheros Communications Inc. + * Copyright (c) 2011-2017 Qualcomm Atheros, Inc. + */ + +#include <linux/slab.h> +#include <linux/if_ether.h> + +#include "htt.h" +#include "core.h" +#include "debug.h" +#include "hif.h" + +static const enum htt_t2h_msg_type htt_main_t2h_msg_types[] = { + [HTT_MAIN_T2H_MSG_TYPE_VERSION_CONF] = HTT_T2H_MSG_TYPE_VERSION_CONF, + [HTT_MAIN_T2H_MSG_TYPE_RX_IND] = HTT_T2H_MSG_TYPE_RX_IND, + [HTT_MAIN_T2H_MSG_TYPE_RX_FLUSH] = HTT_T2H_MSG_TYPE_RX_FLUSH, + [HTT_MAIN_T2H_MSG_TYPE_PEER_MAP] = HTT_T2H_MSG_TYPE_PEER_MAP, + [HTT_MAIN_T2H_MSG_TYPE_PEER_UNMAP] = HTT_T2H_MSG_TYPE_PEER_UNMAP, + [HTT_MAIN_T2H_MSG_TYPE_RX_ADDBA] = HTT_T2H_MSG_TYPE_RX_ADDBA, + [HTT_MAIN_T2H_MSG_TYPE_RX_DELBA] = HTT_T2H_MSG_TYPE_RX_DELBA, + [HTT_MAIN_T2H_MSG_TYPE_TX_COMPL_IND] = HTT_T2H_MSG_TYPE_TX_COMPL_IND, + [HTT_MAIN_T2H_MSG_TYPE_PKTLOG] = HTT_T2H_MSG_TYPE_PKTLOG, + [HTT_MAIN_T2H_MSG_TYPE_STATS_CONF] = HTT_T2H_MSG_TYPE_STATS_CONF, + [HTT_MAIN_T2H_MSG_TYPE_RX_FRAG_IND] = HTT_T2H_MSG_TYPE_RX_FRAG_IND, + [HTT_MAIN_T2H_MSG_TYPE_SEC_IND] = HTT_T2H_MSG_TYPE_SEC_IND, + [HTT_MAIN_T2H_MSG_TYPE_TX_INSPECT_IND] = + HTT_T2H_MSG_TYPE_TX_INSPECT_IND, + [HTT_MAIN_T2H_MSG_TYPE_MGMT_TX_COMPL_IND] = + HTT_T2H_MSG_TYPE_MGMT_TX_COMPLETION, + [HTT_MAIN_T2H_MSG_TYPE_TX_CREDIT_UPDATE_IND] = + HTT_T2H_MSG_TYPE_TX_CREDIT_UPDATE_IND, + [HTT_MAIN_T2H_MSG_TYPE_RX_PN_IND] = HTT_T2H_MSG_TYPE_RX_PN_IND, + [HTT_MAIN_T2H_MSG_TYPE_RX_OFFLOAD_DELIVER_IND] = + HTT_T2H_MSG_TYPE_RX_OFFLOAD_DELIVER_IND, + [HTT_MAIN_T2H_MSG_TYPE_TEST] = HTT_T2H_MSG_TYPE_TEST, +}; + +static const enum htt_t2h_msg_type htt_10x_t2h_msg_types[] = { + [HTT_10X_T2H_MSG_TYPE_VERSION_CONF] = HTT_T2H_MSG_TYPE_VERSION_CONF, + [HTT_10X_T2H_MSG_TYPE_RX_IND] = HTT_T2H_MSG_TYPE_RX_IND, + [HTT_10X_T2H_MSG_TYPE_RX_FLUSH] = HTT_T2H_MSG_TYPE_RX_FLUSH, + [HTT_10X_T2H_MSG_TYPE_PEER_MAP] = HTT_T2H_MSG_TYPE_PEER_MAP, + [HTT_10X_T2H_MSG_TYPE_PEER_UNMAP] = HTT_T2H_MSG_TYPE_PEER_UNMAP, + [HTT_10X_T2H_MSG_TYPE_RX_ADDBA] = HTT_T2H_MSG_TYPE_RX_ADDBA, + [HTT_10X_T2H_MSG_TYPE_RX_DELBA] = HTT_T2H_MSG_TYPE_RX_DELBA, + [HTT_10X_T2H_MSG_TYPE_TX_COMPL_IND] = HTT_T2H_MSG_TYPE_TX_COMPL_IND, + [HTT_10X_T2H_MSG_TYPE_PKTLOG] = HTT_T2H_MSG_TYPE_PKTLOG, + [HTT_10X_T2H_MSG_TYPE_STATS_CONF] = HTT_T2H_MSG_TYPE_STATS_CONF, + [HTT_10X_T2H_MSG_TYPE_RX_FRAG_IND] = HTT_T2H_MSG_TYPE_RX_FRAG_IND, + [HTT_10X_T2H_MSG_TYPE_SEC_IND] = HTT_T2H_MSG_TYPE_SEC_IND, + [HTT_10X_T2H_MSG_TYPE_RC_UPDATE_IND] = HTT_T2H_MSG_TYPE_RC_UPDATE_IND, + [HTT_10X_T2H_MSG_TYPE_TX_INSPECT_IND] = HTT_T2H_MSG_TYPE_TX_INSPECT_IND, + [HTT_10X_T2H_MSG_TYPE_TEST] = HTT_T2H_MSG_TYPE_TEST, + [HTT_10X_T2H_MSG_TYPE_CHAN_CHANGE] = HTT_T2H_MSG_TYPE_CHAN_CHANGE, + [HTT_10X_T2H_MSG_TYPE_AGGR_CONF] = HTT_T2H_MSG_TYPE_AGGR_CONF, + [HTT_10X_T2H_MSG_TYPE_STATS_NOUPLOAD] = HTT_T2H_MSG_TYPE_STATS_NOUPLOAD, + [HTT_10X_T2H_MSG_TYPE_MGMT_TX_COMPL_IND] = + HTT_T2H_MSG_TYPE_MGMT_TX_COMPLETION, +}; + +static const enum htt_t2h_msg_type htt_tlv_t2h_msg_types[] = { + [HTT_TLV_T2H_MSG_TYPE_VERSION_CONF] = HTT_T2H_MSG_TYPE_VERSION_CONF, + [HTT_TLV_T2H_MSG_TYPE_RX_IND] = HTT_T2H_MSG_TYPE_RX_IND, + [HTT_TLV_T2H_MSG_TYPE_RX_FLUSH] = HTT_T2H_MSG_TYPE_RX_FLUSH, + [HTT_TLV_T2H_MSG_TYPE_PEER_MAP] = HTT_T2H_MSG_TYPE_PEER_MAP, + [HTT_TLV_T2H_MSG_TYPE_PEER_UNMAP] = HTT_T2H_MSG_TYPE_PEER_UNMAP, + [HTT_TLV_T2H_MSG_TYPE_RX_ADDBA] = HTT_T2H_MSG_TYPE_RX_ADDBA, + [HTT_TLV_T2H_MSG_TYPE_RX_DELBA] = HTT_T2H_MSG_TYPE_RX_DELBA, + [HTT_TLV_T2H_MSG_TYPE_TX_COMPL_IND] = HTT_T2H_MSG_TYPE_TX_COMPL_IND, + [HTT_TLV_T2H_MSG_TYPE_PKTLOG] = HTT_T2H_MSG_TYPE_PKTLOG, + [HTT_TLV_T2H_MSG_TYPE_STATS_CONF] = HTT_T2H_MSG_TYPE_STATS_CONF, + [HTT_TLV_T2H_MSG_TYPE_RX_FRAG_IND] = HTT_T2H_MSG_TYPE_RX_FRAG_IND, + [HTT_TLV_T2H_MSG_TYPE_SEC_IND] = HTT_T2H_MSG_TYPE_SEC_IND, + [HTT_TLV_T2H_MSG_TYPE_RC_UPDATE_IND] = HTT_T2H_MSG_TYPE_RC_UPDATE_IND, + [HTT_TLV_T2H_MSG_TYPE_TX_INSPECT_IND] = HTT_T2H_MSG_TYPE_TX_INSPECT_IND, + [HTT_TLV_T2H_MSG_TYPE_MGMT_TX_COMPL_IND] = + HTT_T2H_MSG_TYPE_MGMT_TX_COMPLETION, + [HTT_TLV_T2H_MSG_TYPE_TX_CREDIT_UPDATE_IND] = + HTT_T2H_MSG_TYPE_TX_CREDIT_UPDATE_IND, + [HTT_TLV_T2H_MSG_TYPE_RX_PN_IND] = HTT_T2H_MSG_TYPE_RX_PN_IND, + [HTT_TLV_T2H_MSG_TYPE_RX_OFFLOAD_DELIVER_IND] = + HTT_T2H_MSG_TYPE_RX_OFFLOAD_DELIVER_IND, + [HTT_TLV_T2H_MSG_TYPE_RX_IN_ORD_PADDR_IND] = + HTT_T2H_MSG_TYPE_RX_IN_ORD_PADDR_IND, + [HTT_TLV_T2H_MSG_TYPE_WDI_IPA_OP_RESPONSE] = + HTT_T2H_MSG_TYPE_WDI_IPA_OP_RESPONSE, + [HTT_TLV_T2H_MSG_TYPE_CHAN_CHANGE] = HTT_T2H_MSG_TYPE_CHAN_CHANGE, + [HTT_TLV_T2H_MSG_TYPE_RX_OFLD_PKT_ERR] = + HTT_T2H_MSG_TYPE_RX_OFLD_PKT_ERR, + [HTT_TLV_T2H_MSG_TYPE_TEST] = HTT_T2H_MSG_TYPE_TEST, +}; + +static const enum htt_t2h_msg_type htt_10_4_t2h_msg_types[] = { + [HTT_10_4_T2H_MSG_TYPE_VERSION_CONF] = HTT_T2H_MSG_TYPE_VERSION_CONF, + [HTT_10_4_T2H_MSG_TYPE_RX_IND] = HTT_T2H_MSG_TYPE_RX_IND, + [HTT_10_4_T2H_MSG_TYPE_RX_FLUSH] = HTT_T2H_MSG_TYPE_RX_FLUSH, + [HTT_10_4_T2H_MSG_TYPE_PEER_MAP] = HTT_T2H_MSG_TYPE_PEER_MAP, + [HTT_10_4_T2H_MSG_TYPE_PEER_UNMAP] = HTT_T2H_MSG_TYPE_PEER_UNMAP, + [HTT_10_4_T2H_MSG_TYPE_RX_ADDBA] = HTT_T2H_MSG_TYPE_RX_ADDBA, + [HTT_10_4_T2H_MSG_TYPE_RX_DELBA] = HTT_T2H_MSG_TYPE_RX_DELBA, + [HTT_10_4_T2H_MSG_TYPE_TX_COMPL_IND] = HTT_T2H_MSG_TYPE_TX_COMPL_IND, + [HTT_10_4_T2H_MSG_TYPE_PKTLOG] = HTT_T2H_MSG_TYPE_PKTLOG, + [HTT_10_4_T2H_MSG_TYPE_STATS_CONF] = HTT_T2H_MSG_TYPE_STATS_CONF, + [HTT_10_4_T2H_MSG_TYPE_RX_FRAG_IND] = HTT_T2H_MSG_TYPE_RX_FRAG_IND, + [HTT_10_4_T2H_MSG_TYPE_SEC_IND] = HTT_T2H_MSG_TYPE_SEC_IND, + [HTT_10_4_T2H_MSG_TYPE_RC_UPDATE_IND] = HTT_T2H_MSG_TYPE_RC_UPDATE_IND, + [HTT_10_4_T2H_MSG_TYPE_TX_INSPECT_IND] = + HTT_T2H_MSG_TYPE_TX_INSPECT_IND, + [HTT_10_4_T2H_MSG_TYPE_MGMT_TX_COMPL_IND] = + HTT_T2H_MSG_TYPE_MGMT_TX_COMPLETION, + [HTT_10_4_T2H_MSG_TYPE_CHAN_CHANGE] = HTT_T2H_MSG_TYPE_CHAN_CHANGE, + [HTT_10_4_T2H_MSG_TYPE_TX_CREDIT_UPDATE_IND] = + HTT_T2H_MSG_TYPE_TX_CREDIT_UPDATE_IND, + [HTT_10_4_T2H_MSG_TYPE_RX_PN_IND] = HTT_T2H_MSG_TYPE_RX_PN_IND, + [HTT_10_4_T2H_MSG_TYPE_RX_OFFLOAD_DELIVER_IND] = + HTT_T2H_MSG_TYPE_RX_OFFLOAD_DELIVER_IND, + [HTT_10_4_T2H_MSG_TYPE_TEST] = HTT_T2H_MSG_TYPE_TEST, + [HTT_10_4_T2H_MSG_TYPE_EN_STATS] = HTT_T2H_MSG_TYPE_EN_STATS, + [HTT_10_4_T2H_MSG_TYPE_AGGR_CONF] = HTT_T2H_MSG_TYPE_AGGR_CONF, + [HTT_10_4_T2H_MSG_TYPE_TX_FETCH_IND] = + HTT_T2H_MSG_TYPE_TX_FETCH_IND, + [HTT_10_4_T2H_MSG_TYPE_TX_FETCH_CONFIRM] = + HTT_T2H_MSG_TYPE_TX_FETCH_CONFIRM, + [HTT_10_4_T2H_MSG_TYPE_STATS_NOUPLOAD] = + HTT_T2H_MSG_TYPE_STATS_NOUPLOAD, + [HTT_10_4_T2H_MSG_TYPE_TX_MODE_SWITCH_IND] = + HTT_T2H_MSG_TYPE_TX_MODE_SWITCH_IND, + [HTT_10_4_T2H_MSG_TYPE_PEER_STATS] = + HTT_T2H_MSG_TYPE_PEER_STATS, +}; + +const struct ath10k_htt_rx_desc_ops qca988x_rx_desc_ops = { + .rx_desc_size = sizeof(struct htt_rx_desc_v1), + .rx_desc_msdu_payload_offset = offsetof(struct htt_rx_desc_v1, msdu_payload) +}; + +static int ath10k_qca99x0_rx_desc_get_l3_pad_bytes(struct htt_rx_desc *rxd) +{ + struct htt_rx_desc_v1 *rx_desc = container_of(rxd, + struct htt_rx_desc_v1, + base); + + return MS(__le32_to_cpu(rx_desc->msdu_end.qca99x0.info1), + RX_MSDU_END_INFO1_L3_HDR_PAD); +} + +static bool ath10k_qca99x0_rx_desc_msdu_limit_error(struct htt_rx_desc *rxd) +{ + struct htt_rx_desc_v1 *rx_desc = container_of(rxd, + struct htt_rx_desc_v1, + base); + + return !!(rx_desc->msdu_end.common.info0 & + __cpu_to_le32(RX_MSDU_END_INFO0_MSDU_LIMIT_ERR)); +} + +const struct ath10k_htt_rx_desc_ops qca99x0_rx_desc_ops = { + .rx_desc_size = sizeof(struct htt_rx_desc_v1), + .rx_desc_msdu_payload_offset = offsetof(struct htt_rx_desc_v1, msdu_payload), + + .rx_desc_get_l3_pad_bytes = ath10k_qca99x0_rx_desc_get_l3_pad_bytes, + .rx_desc_get_msdu_limit_error = ath10k_qca99x0_rx_desc_msdu_limit_error, +}; + +static void ath10k_rx_desc_wcn3990_get_offsets(struct htt_rx_ring_rx_desc_offsets *off) +{ +#define desc_offset(x) (offsetof(struct htt_rx_desc_v2, x) / 4) + off->mac80211_hdr_offset = __cpu_to_le16(desc_offset(rx_hdr_status)); + off->msdu_payload_offset = __cpu_to_le16(desc_offset(msdu_payload)); + off->ppdu_start_offset = __cpu_to_le16(desc_offset(ppdu_start)); + off->ppdu_end_offset = __cpu_to_le16(desc_offset(ppdu_end)); + off->mpdu_start_offset = __cpu_to_le16(desc_offset(mpdu_start)); + off->mpdu_end_offset = __cpu_to_le16(desc_offset(mpdu_end)); + off->msdu_start_offset = __cpu_to_le16(desc_offset(msdu_start)); + off->msdu_end_offset = __cpu_to_le16(desc_offset(msdu_end)); + off->rx_attention_offset = __cpu_to_le16(desc_offset(attention)); + off->frag_info_offset = __cpu_to_le16(desc_offset(frag_info)); +#undef desc_offset +} + +static struct htt_rx_desc * +ath10k_rx_desc_wcn3990_from_raw_buffer(void *buff) +{ + return &((struct htt_rx_desc_v2 *)buff)->base; +} + +static struct rx_attention * +ath10k_rx_desc_wcn3990_get_attention(struct htt_rx_desc *rxd) +{ + struct htt_rx_desc_v2 *rx_desc = container_of(rxd, struct htt_rx_desc_v2, base); + + return &rx_desc->attention; +} + +static struct rx_frag_info_common * +ath10k_rx_desc_wcn3990_get_frag_info(struct htt_rx_desc *rxd) +{ + struct htt_rx_desc_v2 *rx_desc = container_of(rxd, struct htt_rx_desc_v2, base); + + return &rx_desc->frag_info.common; +} + +static struct rx_mpdu_start * +ath10k_rx_desc_wcn3990_get_mpdu_start(struct htt_rx_desc *rxd) +{ + struct htt_rx_desc_v2 *rx_desc = container_of(rxd, struct htt_rx_desc_v2, base); + + return &rx_desc->mpdu_start; +} + +static struct rx_mpdu_end * +ath10k_rx_desc_wcn3990_get_mpdu_end(struct htt_rx_desc *rxd) +{ + struct htt_rx_desc_v2 *rx_desc = container_of(rxd, struct htt_rx_desc_v2, base); + + return &rx_desc->mpdu_end; +} + +static struct rx_msdu_start_common * +ath10k_rx_desc_wcn3990_get_msdu_start(struct htt_rx_desc *rxd) +{ + struct htt_rx_desc_v2 *rx_desc = container_of(rxd, struct htt_rx_desc_v2, base); + + return &rx_desc->msdu_start.common; +} + +static struct rx_msdu_end_common * +ath10k_rx_desc_wcn3990_get_msdu_end(struct htt_rx_desc *rxd) +{ + struct htt_rx_desc_v2 *rx_desc = container_of(rxd, struct htt_rx_desc_v2, base); + + return &rx_desc->msdu_end.common; +} + +static struct rx_ppdu_start * +ath10k_rx_desc_wcn3990_get_ppdu_start(struct htt_rx_desc *rxd) +{ + struct htt_rx_desc_v2 *rx_desc = container_of(rxd, struct htt_rx_desc_v2, base); + + return &rx_desc->ppdu_start; +} + +static struct rx_ppdu_end_common * +ath10k_rx_desc_wcn3990_get_ppdu_end(struct htt_rx_desc *rxd) +{ + struct htt_rx_desc_v2 *rx_desc = container_of(rxd, struct htt_rx_desc_v2, base); + + return &rx_desc->ppdu_end.common; +} + +static u8 * +ath10k_rx_desc_wcn3990_get_rx_hdr_status(struct htt_rx_desc *rxd) +{ + struct htt_rx_desc_v2 *rx_desc = container_of(rxd, struct htt_rx_desc_v2, base); + + return rx_desc->rx_hdr_status; +} + +static u8 * +ath10k_rx_desc_wcn3990_get_msdu_payload(struct htt_rx_desc *rxd) +{ + struct htt_rx_desc_v2 *rx_desc = container_of(rxd, struct htt_rx_desc_v2, base); + + return rx_desc->msdu_payload; +} + +const struct ath10k_htt_rx_desc_ops wcn3990_rx_desc_ops = { + .rx_desc_size = sizeof(struct htt_rx_desc_v2), + .rx_desc_msdu_payload_offset = offsetof(struct htt_rx_desc_v2, msdu_payload), + + .rx_desc_from_raw_buffer = ath10k_rx_desc_wcn3990_from_raw_buffer, + .rx_desc_get_offsets = ath10k_rx_desc_wcn3990_get_offsets, + .rx_desc_get_attention = ath10k_rx_desc_wcn3990_get_attention, + .rx_desc_get_frag_info = ath10k_rx_desc_wcn3990_get_frag_info, + .rx_desc_get_mpdu_start = ath10k_rx_desc_wcn3990_get_mpdu_start, + .rx_desc_get_mpdu_end = ath10k_rx_desc_wcn3990_get_mpdu_end, + .rx_desc_get_msdu_start = ath10k_rx_desc_wcn3990_get_msdu_start, + .rx_desc_get_msdu_end = ath10k_rx_desc_wcn3990_get_msdu_end, + .rx_desc_get_ppdu_start = ath10k_rx_desc_wcn3990_get_ppdu_start, + .rx_desc_get_ppdu_end = ath10k_rx_desc_wcn3990_get_ppdu_end, + .rx_desc_get_rx_hdr_status = ath10k_rx_desc_wcn3990_get_rx_hdr_status, + .rx_desc_get_msdu_payload = ath10k_rx_desc_wcn3990_get_msdu_payload, +}; + +int ath10k_htt_connect(struct ath10k_htt *htt) +{ + struct ath10k_htc_svc_conn_req conn_req; + struct ath10k_htc_svc_conn_resp conn_resp; + struct ath10k *ar = htt->ar; + struct ath10k_htc_ep *ep; + int status; + + memset(&conn_req, 0, sizeof(conn_req)); + memset(&conn_resp, 0, sizeof(conn_resp)); + + conn_req.ep_ops.ep_tx_complete = ath10k_htt_htc_tx_complete; + conn_req.ep_ops.ep_rx_complete = ath10k_htt_htc_t2h_msg_handler; + conn_req.ep_ops.ep_tx_credits = ath10k_htt_op_ep_tx_credits; + + /* connect to control service */ + conn_req.service_id = ATH10K_HTC_SVC_ID_HTT_DATA_MSG; + + status = ath10k_htc_connect_service(&htt->ar->htc, &conn_req, + &conn_resp); + + if (status) + return status; + + htt->eid = conn_resp.eid; + + if (ar->bus_param.dev_type == ATH10K_DEV_TYPE_HL) { + ep = &ar->htc.endpoint[htt->eid]; + ath10k_htc_setup_tx_req(ep); + } + + htt->disable_tx_comp = ath10k_hif_get_htt_tx_complete(htt->ar); + if (htt->disable_tx_comp) + ath10k_htc_change_tx_credit_flow(&htt->ar->htc, htt->eid, true); + + return 0; +} + +int ath10k_htt_init(struct ath10k *ar) +{ + struct ath10k_htt *htt = &ar->htt; + + htt->ar = ar; + + /* + * Prefetch enough data to satisfy target + * classification engine. + * This is for LL chips. HL chips will probably + * transfer all frame in the tx fragment. + */ + htt->prefetch_len = + 36 + /* 802.11 + qos + ht */ + 4 + /* 802.1q */ + 8 + /* llc snap */ + 2; /* ip4 dscp or ip6 priority */ + + switch (ar->running_fw->fw_file.htt_op_version) { + case ATH10K_FW_HTT_OP_VERSION_10_4: + ar->htt.t2h_msg_types = htt_10_4_t2h_msg_types; + ar->htt.t2h_msg_types_max = HTT_10_4_T2H_NUM_MSGS; + break; + case ATH10K_FW_HTT_OP_VERSION_10_1: + ar->htt.t2h_msg_types = htt_10x_t2h_msg_types; + ar->htt.t2h_msg_types_max = HTT_10X_T2H_NUM_MSGS; + break; + case ATH10K_FW_HTT_OP_VERSION_TLV: + ar->htt.t2h_msg_types = htt_tlv_t2h_msg_types; + ar->htt.t2h_msg_types_max = HTT_TLV_T2H_NUM_MSGS; + break; + case ATH10K_FW_HTT_OP_VERSION_MAIN: + ar->htt.t2h_msg_types = htt_main_t2h_msg_types; + ar->htt.t2h_msg_types_max = HTT_MAIN_T2H_NUM_MSGS; + break; + case ATH10K_FW_HTT_OP_VERSION_MAX: + case ATH10K_FW_HTT_OP_VERSION_UNSET: + WARN_ON(1); + return -EINVAL; + } + ath10k_htt_set_tx_ops(htt); + ath10k_htt_set_rx_ops(htt); + + return 0; +} + +#define HTT_TARGET_VERSION_TIMEOUT_HZ (3 * HZ) + +static int ath10k_htt_verify_version(struct ath10k_htt *htt) +{ + struct ath10k *ar = htt->ar; + + ath10k_dbg(ar, ATH10K_DBG_BOOT, "htt target version %d.%d\n", + htt->target_version_major, htt->target_version_minor); + + if (htt->target_version_major != 2 && + htt->target_version_major != 3) { + ath10k_err(ar, "unsupported htt major version %d. supported versions are 2 and 3\n", + htt->target_version_major); + return -ENOTSUPP; + } + + return 0; +} + +int ath10k_htt_setup(struct ath10k_htt *htt) +{ + struct ath10k *ar = htt->ar; + int status; + + init_completion(&htt->target_version_received); + + status = ath10k_htt_h2t_ver_req_msg(htt); + if (status) + return status; + + status = wait_for_completion_timeout(&htt->target_version_received, + HTT_TARGET_VERSION_TIMEOUT_HZ); + if (status == 0) { + ath10k_warn(ar, "htt version request timed out\n"); + return -ETIMEDOUT; + } + + status = ath10k_htt_verify_version(htt); + if (status) { + ath10k_warn(ar, "failed to verify htt version: %d\n", + status); + return status; + } + + status = ath10k_htt_send_frag_desc_bank_cfg(htt); + if (status) + return status; + + status = ath10k_htt_send_rx_ring_cfg(htt); + if (status) { + ath10k_warn(ar, "failed to setup rx ring: %d\n", + status); + return status; + } + + status = ath10k_htt_h2t_aggr_cfg_msg(htt, + htt->max_num_ampdu, + htt->max_num_amsdu); + if (status) { + ath10k_warn(ar, "failed to setup amsdu/ampdu limit: %d\n", + status); + return status; + } + + return 0; +} |