diff options
Diffstat (limited to 'drivers/net/wireless/ath/ath10k/htt.h')
| -rw-r--r-- | drivers/net/wireless/ath/ath10k/htt.h | 1338 |
1 files changed, 1338 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath10k/htt.h b/drivers/net/wireless/ath/ath10k/htt.h new file mode 100644 index 000000000000..a7a7aa040536 --- /dev/null +++ b/drivers/net/wireless/ath/ath10k/htt.h @@ -0,0 +1,1338 @@ +/* + * Copyright (c) 2005-2011 Atheros Communications Inc. + * Copyright (c) 2011-2013 Qualcomm Atheros, Inc. + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#ifndef _HTT_H_ +#define _HTT_H_ + +#include <linux/bug.h> + +#include "core.h" +#include "htc.h" +#include "rx_desc.h" + +#define HTT_CURRENT_VERSION_MAJOR 2 +#define HTT_CURRENT_VERSION_MINOR 1 + +enum htt_dbg_stats_type { + HTT_DBG_STATS_WAL_PDEV_TXRX = 1 << 0, + HTT_DBG_STATS_RX_REORDER = 1 << 1, + HTT_DBG_STATS_RX_RATE_INFO = 1 << 2, + HTT_DBG_STATS_TX_PPDU_LOG = 1 << 3, + HTT_DBG_STATS_TX_RATE_INFO = 1 << 4, + /* bits 5-23 currently reserved */ + + HTT_DBG_NUM_STATS /* keep this last */ +}; + +enum htt_h2t_msg_type { /* host-to-target */ + HTT_H2T_MSG_TYPE_VERSION_REQ = 0, + HTT_H2T_MSG_TYPE_TX_FRM = 1, + HTT_H2T_MSG_TYPE_RX_RING_CFG = 2, + HTT_H2T_MSG_TYPE_STATS_REQ = 3, + HTT_H2T_MSG_TYPE_SYNC = 4, + HTT_H2T_MSG_TYPE_AGGR_CFG = 5, + HTT_H2T_MSG_TYPE_FRAG_DESC_BANK_CFG = 6, + HTT_H2T_MSG_TYPE_MGMT_TX = 7, + + HTT_H2T_NUM_MSGS /* keep this last */ +}; + +struct htt_cmd_hdr { + u8 msg_type; +} __packed; + +struct htt_ver_req { + u8 pad[sizeof(u32) - sizeof(struct htt_cmd_hdr)]; +} __packed; + +/* + * HTT tx MSDU descriptor + * + * The HTT tx MSDU descriptor is created by the host HTT SW for each + * tx MSDU. The HTT tx MSDU descriptor contains the information that + * the target firmware needs for the FW's tx processing, particularly + * for creating the HW msdu descriptor. + * The same HTT tx descriptor is used for HL and LL systems, though + * a few fields within the tx descriptor are used only by LL or + * only by HL. + * The HTT tx descriptor is defined in two manners: by a struct with + * bitfields, and by a series of [dword offset, bit mask, bit shift] + * definitions. + * The target should use the struct def, for simplicitly and clarity, + * but the host shall use the bit-mast + bit-shift defs, to be endian- + * neutral. Specifically, the host shall use the get/set macros built + * around the mask + shift defs. + */ +struct htt_data_tx_desc_frag { + __le32 paddr; + __le32 len; +} __packed; + +enum htt_data_tx_desc_flags0 { + HTT_DATA_TX_DESC_FLAGS0_MAC_HDR_PRESENT = 1 << 0, + HTT_DATA_TX_DESC_FLAGS0_NO_AGGR = 1 << 1, + HTT_DATA_TX_DESC_FLAGS0_NO_ENCRYPT = 1 << 2, + HTT_DATA_TX_DESC_FLAGS0_NO_CLASSIFY = 1 << 3, + HTT_DATA_TX_DESC_FLAGS0_RSVD0 = 1 << 4 +#define HTT_DATA_TX_DESC_FLAGS0_PKT_TYPE_MASK 0xE0 +#define HTT_DATA_TX_DESC_FLAGS0_PKT_TYPE_LSB 5 +}; + +enum htt_data_tx_desc_flags1 { +#define HTT_DATA_TX_DESC_FLAGS1_VDEV_ID_BITS 6 +#define HTT_DATA_TX_DESC_FLAGS1_VDEV_ID_MASK 0x003F +#define HTT_DATA_TX_DESC_FLAGS1_VDEV_ID_LSB 0 +#define HTT_DATA_TX_DESC_FLAGS1_EXT_TID_BITS 5 +#define HTT_DATA_TX_DESC_FLAGS1_EXT_TID_MASK 0x07C0 +#define HTT_DATA_TX_DESC_FLAGS1_EXT_TID_LSB 6 + HTT_DATA_TX_DESC_FLAGS1_POSTPONED = 1 << 11, + HTT_DATA_TX_DESC_FLAGS1_MORE_IN_BATCH = 1 << 12, + HTT_DATA_TX_DESC_FLAGS1_CKSUM_L3_OFFLOAD = 1 << 13, + HTT_DATA_TX_DESC_FLAGS1_CKSUM_L4_OFFLOAD = 1 << 14, + HTT_DATA_TX_DESC_FLAGS1_RSVD1 = 1 << 15 +}; + +enum htt_data_tx_ext_tid { + HTT_DATA_TX_EXT_TID_NON_QOS_MCAST_BCAST = 16, + HTT_DATA_TX_EXT_TID_MGMT = 17, + HTT_DATA_TX_EXT_TID_INVALID = 31 +}; + +#define HTT_INVALID_PEERID 0xFFFF + +/* + * htt_data_tx_desc - used for data tx path + * + * Note: vdev_id irrelevant for pkt_type == raw and no_classify == 1. + * ext_tid: for qos-data frames (0-15), see %HTT_DATA_TX_EXT_TID_ + * for special kinds of tids + * postponed: only for HL hosts. indicates if this is a resend + * (HL hosts manage queues on the host ) + * more_in_batch: only for HL hosts. indicates if more packets are + * pending. this allows target to wait and aggregate + */ +struct htt_data_tx_desc { + u8 flags0; /* %HTT_DATA_TX_DESC_FLAGS0_ */ + __le16 flags1; /* %HTT_DATA_TX_DESC_FLAGS1_ */ + __le16 len; + __le16 id; + __le32 frags_paddr; + __le32 peerid; + u8 prefetch[0]; /* start of frame, for FW classification engine */ +} __packed; + +enum htt_rx_ring_flags { + HTT_RX_RING_FLAGS_MAC80211_HDR = 1 << 0, + HTT_RX_RING_FLAGS_MSDU_PAYLOAD = 1 << 1, + HTT_RX_RING_FLAGS_PPDU_START = 1 << 2, + HTT_RX_RING_FLAGS_PPDU_END = 1 << 3, + HTT_RX_RING_FLAGS_MPDU_START = 1 << 4, + HTT_RX_RING_FLAGS_MPDU_END = 1 << 5, + HTT_RX_RING_FLAGS_MSDU_START = 1 << 6, + HTT_RX_RING_FLAGS_MSDU_END = 1 << 7, + HTT_RX_RING_FLAGS_RX_ATTENTION = 1 << 8, + HTT_RX_RING_FLAGS_FRAG_INFO = 1 << 9, + HTT_RX_RING_FLAGS_UNICAST_RX = 1 << 10, + HTT_RX_RING_FLAGS_MULTICAST_RX = 1 << 11, + HTT_RX_RING_FLAGS_CTRL_RX = 1 << 12, + HTT_RX_RING_FLAGS_MGMT_RX = 1 << 13, + HTT_RX_RING_FLAGS_NULL_RX = 1 << 14, + HTT_RX_RING_FLAGS_PHY_DATA_RX = 1 << 15 +}; + +struct htt_rx_ring_setup_ring { + __le32 fw_idx_shadow_reg_paddr; + __le32 rx_ring_base_paddr; + __le16 rx_ring_len; /* in 4-byte words */ + __le16 rx_ring_bufsize; /* rx skb size - in bytes */ + __le16 flags; /* %HTT_RX_RING_FLAGS_ */ + __le16 fw_idx_init_val; + + /* the following offsets are in 4-byte units */ + __le16 mac80211_hdr_offset; + __le16 msdu_payload_offset; + __le16 ppdu_start_offset; + __le16 ppdu_end_offset; + __le16 mpdu_start_offset; + __le16 mpdu_end_offset; + __le16 msdu_start_offset; + __le16 msdu_end_offset; + __le16 rx_attention_offset; + __le16 frag_info_offset; +} __packed; + +struct htt_rx_ring_setup_hdr { + u8 num_rings; /* supported values: 1, 2 */ + __le16 rsvd0; +} __packed; + +struct htt_rx_ring_setup { + struct htt_rx_ring_setup_hdr hdr; + struct htt_rx_ring_setup_ring rings[0]; +} __packed; + +/* + * htt_stats_req - request target to send specified statistics + * + * @msg_type: hardcoded %HTT_H2T_MSG_TYPE_STATS_REQ + * @upload_types: see %htt_dbg_stats_type. this is 24bit field actually + * so make sure its little-endian. + * @reset_types: see %htt_dbg_stats_type. this is 24bit field actually + * so make sure its little-endian. + * @cfg_val: stat_type specific configuration + * @stat_type: see %htt_dbg_stats_type + * @cookie_lsb: used for confirmation message from target->host + * @cookie_msb: ditto as %cookie + */ +struct htt_stats_req { + u8 upload_types[3]; + u8 rsvd0; + u8 reset_types[3]; + struct { + u8 mpdu_bytes; + u8 mpdu_num_msdus; + u8 msdu_bytes; + } __packed; + u8 stat_type; + __le32 cookie_lsb; + __le32 cookie_msb; +} __packed; + +#define HTT_STATS_REQ_CFG_STAT_TYPE_INVALID 0xff + +/* + * htt_oob_sync_req - request out-of-band sync + * + * The HTT SYNC tells the target to suspend processing of subsequent + * HTT host-to-target messages until some other target agent locally + * informs the target HTT FW that the current sync counter is equal to + * or greater than (in a modulo sense) the sync counter specified in + * the SYNC message. + * + * This allows other host-target components to synchronize their operation + * with HTT, e.g. to ensure that tx frames don't get transmitted until a + * security key has been downloaded to and activated by the target. + * In the absence of any explicit synchronization counter value + * specification, the target HTT FW will use zero as the default current + * sync value. + * + * The HTT target FW will suspend its host->target message processing as long + * as 0 < (in-band sync counter - out-of-band sync counter) & 0xff < 128. + */ +struct htt_oob_sync_req { + u8 sync_count; + __le16 rsvd0; +} __packed; + +#define HTT_AGGR_CONF_MAX_NUM_AMSDU_SUBFRAMES_MASK 0x1F +#define HTT_AGGR_CONF_MAX_NUM_AMSDU_SUBFRAMES_LSB 0 + +struct htt_aggr_conf { + u8 max_num_ampdu_subframes; + union { + /* dont use bitfields; undefined behaviour */ + u8 flags; /* see %HTT_AGGR_CONF_MAX_NUM_AMSDU_SUBFRAMES_ */ + u8 max_num_amsdu_subframes:5; + } __packed; +} __packed; + +#define HTT_MGMT_FRM_HDR_DOWNLOAD_LEN 32 + +struct htt_mgmt_tx_desc { + u8 pad[sizeof(u32) - sizeof(struct htt_cmd_hdr)]; + __le32 msdu_paddr; + __le32 desc_id; + __le32 len; + __le32 vdev_id; + u8 hdr[HTT_MGMT_FRM_HDR_DOWNLOAD_LEN]; +} __packed; + +enum htt_mgmt_tx_status { + HTT_MGMT_TX_STATUS_OK = 0, + HTT_MGMT_TX_STATUS_RETRY = 1, + HTT_MGMT_TX_STATUS_DROP = 2 +}; + +/*=== target -> host messages ===============================================*/ + + +enum htt_t2h_msg_type { + HTT_T2H_MSG_TYPE_VERSION_CONF = 0x0, + HTT_T2H_MSG_TYPE_RX_IND = 0x1, + HTT_T2H_MSG_TYPE_RX_FLUSH = 0x2, + HTT_T2H_MSG_TYPE_PEER_MAP = 0x3, + HTT_T2H_MSG_TYPE_PEER_UNMAP = 0x4, + HTT_T2H_MSG_TYPE_RX_ADDBA = 0x5, + HTT_T2H_MSG_TYPE_RX_DELBA = 0x6, + HTT_T2H_MSG_TYPE_TX_COMPL_IND = 0x7, + HTT_T2H_MSG_TYPE_PKTLOG = 0x8, + HTT_T2H_MSG_TYPE_STATS_CONF = 0x9, + HTT_T2H_MSG_TYPE_RX_FRAG_IND = 0xa, + HTT_T2H_MSG_TYPE_SEC_IND = 0xb, + HTT_T2H_MSG_TYPE_RC_UPDATE_IND = 0xc, + HTT_T2H_MSG_TYPE_TX_INSPECT_IND = 0xd, + HTT_T2H_MSG_TYPE_MGMT_TX_COMPLETION = 0xe, + HTT_T2H_MSG_TYPE_TEST, + /* keep this last */ + HTT_T2H_NUM_MSGS +}; + +/* + * htt_resp_hdr - header for target-to-host messages + * + * msg_type: see htt_t2h_msg_type + */ +struct htt_resp_hdr { + u8 msg_type; +} __packed; + +#define HTT_RESP_HDR_MSG_TYPE_OFFSET 0 +#define HTT_RESP_HDR_MSG_TYPE_MASK 0xff +#define HTT_RESP_HDR_MSG_TYPE_LSB 0 + +/* htt_ver_resp - response sent for htt_ver_req */ +struct htt_ver_resp { + u8 minor; + u8 major; + u8 rsvd0; +} __packed; + +struct htt_mgmt_tx_completion { + u8 rsvd0; + u8 rsvd1; + u8 rsvd2; + __le32 desc_id; + __le32 status; +} __packed; + +#define HTT_RX_INDICATION_INFO0_EXT_TID_MASK (0x3F) +#define HTT_RX_INDICATION_INFO0_EXT_TID_LSB (0) +#define HTT_RX_INDICATION_INFO0_FLUSH_VALID (1 << 6) +#define HTT_RX_INDICATION_INFO0_RELEASE_VALID (1 << 7) + +#define HTT_RX_INDICATION_INFO1_FLUSH_START_SEQNO_MASK 0x0000003F +#define HTT_RX_INDICATION_INFO1_FLUSH_START_SEQNO_LSB 0 +#define HTT_RX_INDICATION_INFO1_FLUSH_END_SEQNO_MASK 0x00000FC0 +#define HTT_RX_INDICATION_INFO1_FLUSH_END_SEQNO_LSB 6 +#define HTT_RX_INDICATION_INFO1_RELEASE_START_SEQNO_MASK 0x0003F000 +#define HTT_RX_INDICATION_INFO1_RELEASE_START_SEQNO_LSB 12 +#define HTT_RX_INDICATION_INFO1_RELEASE_END_SEQNO_MASK 0x00FC0000 +#define HTT_RX_INDICATION_INFO1_RELEASE_END_SEQNO_LSB 18 +#define HTT_RX_INDICATION_INFO1_NUM_MPDU_RANGES_MASK 0xFF000000 +#define HTT_RX_INDICATION_INFO1_NUM_MPDU_RANGES_LSB 24 + +struct htt_rx_indication_hdr { + u8 info0; /* %HTT_RX_INDICATION_INFO0_ */ + __le16 peer_id; + __le32 info1; /* %HTT_RX_INDICATION_INFO1_ */ +} __packed; + +#define HTT_RX_INDICATION_INFO0_PHY_ERR_VALID (1 << 0) +#define HTT_RX_INDICATION_INFO0_LEGACY_RATE_MASK (0x1E) +#define HTT_RX_INDICATION_INFO0_LEGACY_RATE_LSB (1) +#define HTT_RX_INDICATION_INFO0_LEGACY_RATE_CCK (1 << 5) +#define HTT_RX_INDICATION_INFO0_END_VALID (1 << 6) +#define HTT_RX_INDICATION_INFO0_START_VALID (1 << 7) + +#define HTT_RX_INDICATION_INFO1_VHT_SIG_A1_MASK 0x00FFFFFF +#define HTT_RX_INDICATION_INFO1_VHT_SIG_A1_LSB 0 +#define HTT_RX_INDICATION_INFO1_PREAMBLE_TYPE_MASK 0xFF000000 +#define HTT_RX_INDICATION_INFO1_PREAMBLE_TYPE_LSB 24 + +#define HTT_RX_INDICATION_INFO2_VHT_SIG_A1_MASK 0x00FFFFFF +#define HTT_RX_INDICATION_INFO2_VHT_SIG_A1_LSB 0 +#define HTT_RX_INDICATION_INFO2_SERVICE_MASK 0xFF000000 +#define HTT_RX_INDICATION_INFO2_SERVICE_LSB 24 + +enum htt_rx_legacy_rate { + HTT_RX_OFDM_48 = 0, + HTT_RX_OFDM_24 = 1, + HTT_RX_OFDM_12, + HTT_RX_OFDM_6, + HTT_RX_OFDM_54, + HTT_RX_OFDM_36, + HTT_RX_OFDM_18, + HTT_RX_OFDM_9, + + /* long preamble */ + HTT_RX_CCK_11_LP = 0, + HTT_RX_CCK_5_5_LP = 1, + HTT_RX_CCK_2_LP, + HTT_RX_CCK_1_LP, + /* short preamble */ + HTT_RX_CCK_11_SP, + HTT_RX_CCK_5_5_SP, + HTT_RX_CCK_2_SP +}; + +enum htt_rx_legacy_rate_type { + HTT_RX_LEGACY_RATE_OFDM = 0, + HTT_RX_LEGACY_RATE_CCK +}; + +enum htt_rx_preamble_type { + HTT_RX_LEGACY = 0x4, + HTT_RX_HT = 0x8, + HTT_RX_HT_WITH_TXBF = 0x9, + HTT_RX_VHT = 0xC, + HTT_RX_VHT_WITH_TXBF = 0xD, +}; + +/* + * Fields: phy_err_valid, phy_err_code, tsf, + * usec_timestamp, sub_usec_timestamp + * ..are valid only if end_valid == 1. + * + * Fields: rssi_chains, legacy_rate_type, + * legacy_rate_cck, preamble_type, service, + * vht_sig_* + * ..are valid only if start_valid == 1; + */ +struct htt_rx_indication_ppdu { + u8 combined_rssi; + u8 sub_usec_timestamp; + u8 phy_err_code; + u8 info0; /* HTT_RX_INDICATION_INFO0_ */ + struct { + u8 pri20_db; + u8 ext20_db; + u8 ext40_db; + u8 ext80_db; + } __packed rssi_chains[4]; + __le32 tsf; + __le32 usec_timestamp; + __le32 info1; /* HTT_RX_INDICATION_INFO1_ */ + __le32 info2; /* HTT_RX_INDICATION_INFO2_ */ +} __packed; + +enum htt_rx_mpdu_status { + HTT_RX_IND_MPDU_STATUS_UNKNOWN = 0x0, + HTT_RX_IND_MPDU_STATUS_OK, + HTT_RX_IND_MPDU_STATUS_ERR_FCS, + HTT_RX_IND_MPDU_STATUS_ERR_DUP, + HTT_RX_IND_MPDU_STATUS_ERR_REPLAY, + HTT_RX_IND_MPDU_STATUS_ERR_INV_PEER, + /* only accept EAPOL frames */ + HTT_RX_IND_MPDU_STATUS_UNAUTH_PEER, + HTT_RX_IND_MPDU_STATUS_OUT_OF_SYNC, + /* Non-data in promiscous mode */ + HTT_RX_IND_MPDU_STATUS_MGMT_CTRL, + HTT_RX_IND_MPDU_STATUS_TKIP_MIC_ERR, + HTT_RX_IND_MPDU_STATUS_DECRYPT_ERR, + HTT_RX_IND_MPDU_STATUS_MPDU_LENGTH_ERR, + HTT_RX_IND_MPDU_STATUS_ENCRYPT_REQUIRED_ERR, + HTT_RX_IND_MPDU_STATUS_PRIVACY_ERR, + + /* + * MISC: discard for unspecified reasons. + * Leave this enum value last. + */ + HTT_RX_IND_MPDU_STATUS_ERR_MISC = 0xFF +}; + +struct htt_rx_indication_mpdu_range { + u8 mpdu_count; + u8 mpdu_range_status; /* %htt_rx_mpdu_status */ + u8 pad0; + u8 pad1; +} __packed; + +struct htt_rx_indication_prefix { + __le16 fw_rx_desc_bytes; + u8 pad0; + u8 pad1; +}; + +struct htt_rx_indication { + struct htt_rx_indication_hdr hdr; + struct htt_rx_indication_ppdu ppdu; + struct htt_rx_indication_prefix prefix; + + /* + * the following fields are both dynamically sized, so + * take care addressing them + */ + + /* the size of this is %fw_rx_desc_bytes */ + struct fw_rx_desc_base fw_desc; + + /* + * %mpdu_ranges starts after &%prefix + roundup(%fw_rx_desc_bytes, 4) + * and has %num_mpdu_ranges elements. + */ + struct htt_rx_indication_mpdu_range mpdu_ranges[0]; +} __packed; + +static inline struct htt_rx_indication_mpdu_range * + htt_rx_ind_get_mpdu_ranges(struct htt_rx_indication *rx_ind) +{ + void *ptr = rx_ind; + + ptr += sizeof(rx_ind->hdr) + + sizeof(rx_ind->ppdu) + + sizeof(rx_ind->prefix) + + roundup(__le16_to_cpu(rx_ind->prefix.fw_rx_desc_bytes), 4); + return ptr; +} + +enum htt_rx_flush_mpdu_status { + HTT_RX_FLUSH_MPDU_DISCARD = 0, + HTT_RX_FLUSH_MPDU_REORDER = 1, +}; + +/* + * htt_rx_flush - discard or reorder given range of mpdus + * + * Note: host must check if all sequence numbers between + * [seq_num_start, seq_num_end-1] are valid. + */ +struct htt_rx_flush { + __le16 peer_id; + u8 tid; + u8 rsvd0; + u8 mpdu_status; /* %htt_rx_flush_mpdu_status */ + u8 seq_num_start; /* it is 6 LSBs of 802.11 seq no */ + u8 seq_num_end; /* it is 6 LSBs of 802.11 seq no */ +}; + +struct htt_rx_peer_map { + u8 vdev_id; + __le16 peer_id; + u8 addr[6]; + u8 rsvd0; + u8 rsvd1; +} __packed; + +struct htt_rx_peer_unmap { + u8 rsvd0; + __le16 peer_id; +} __packed; + +enum htt_security_types { + HTT_SECURITY_NONE, + HTT_SECURITY_WEP128, + HTT_SECURITY_WEP104, + HTT_SECURITY_WEP40, + HTT_SECURITY_TKIP, + HTT_SECURITY_TKIP_NOMIC, + HTT_SECURITY_AES_CCMP, + HTT_SECURITY_WAPI, + + HTT_NUM_SECURITY_TYPES /* keep this last! */ +}; + +enum htt_security_flags { +#define HTT_SECURITY_TYPE_MASK 0x7F +#define HTT_SECURITY_TYPE_LSB 0 + HTT_SECURITY_IS_UNICAST = 1 << 7 +}; + +struct htt_security_indication { + union { + /* dont use bitfields; undefined behaviour */ + u8 flags; /* %htt_security_flags */ + struct { + u8 security_type:7, /* %htt_security_types */ + is_unicast:1; + } __packed; + } __packed; + __le16 peer_id; + u8 michael_key[8]; + u8 wapi_rsc[16]; +} __packed; + +#define HTT_RX_BA_INFO0_TID_MASK 0x000F +#define HTT_RX_BA_INFO0_TID_LSB 0 +#define HTT_RX_BA_INFO0_PEER_ID_MASK 0xFFF0 +#define HTT_RX_BA_INFO0_PEER_ID_LSB 4 + +struct htt_rx_addba { + u8 window_size; + __le16 info0; /* %HTT_RX_BA_INFO0_ */ +} __packed; + +struct htt_rx_delba { + u8 rsvd0; + __le16 info0; /* %HTT_RX_BA_INFO0_ */ +} __packed; + +enum htt_data_tx_status { + HTT_DATA_TX_STATUS_OK = 0, + HTT_DATA_TX_STATUS_DISCARD = 1, + HTT_DATA_TX_STATUS_NO_ACK = 2, + HTT_DATA_TX_STATUS_POSTPONE = 3, /* HL only */ + HTT_DATA_TX_STATUS_DOWNLOAD_FAIL = 128 +}; + +enum htt_data_tx_flags { +#define HTT_DATA_TX_STATUS_MASK 0x07 +#define HTT_DATA_TX_STATUS_LSB 0 +#define HTT_DATA_TX_TID_MASK 0x78 +#define HTT_DATA_TX_TID_LSB 3 + HTT_DATA_TX_TID_INVALID = 1 << 7 +}; + +#define HTT_TX_COMPL_INV_MSDU_ID 0xFFFF + +struct htt_data_tx_completion { + union { + u8 flags; + struct { + u8 status:3, + tid:4, + tid_invalid:1; + } __packed; + } __packed; + u8 num_msdus; + u8 rsvd0; + __le16 msdus[0]; /* variable length based on %num_msdus */ +} __packed; + +struct htt_tx_compl_ind_base { + u32 hdr; + u16 payload[1/*or more*/]; +} __packed; + +struct htt_rc_tx_done_params { + u32 rate_code; + u32 rate_code_flags; + u32 flags; + u32 num_enqued; /* 1 for non-AMPDU */ + u32 num_retries; + u32 num_failed; /* for AMPDU */ + u32 ack_rssi; + u32 time_stamp; + u32 is_probe; +}; + +struct htt_rc_update { + u8 vdev_id; + __le16 peer_id; + u8 addr[6]; + u8 num_elems; + u8 rsvd0; + struct htt_rc_tx_done_params params[0]; /* variable length %num_elems */ +} __packed; + +/* see htt_rx_indication for similar fields and descriptions */ +struct htt_rx_fragment_indication { + union { + u8 info0; /* %HTT_RX_FRAG_IND_INFO0_ */ + struct { + u8 ext_tid:5, + flush_valid:1; + } __packed; + } __packed; + __le16 peer_id; + __le32 info1; /* %HTT_RX_FRAG_IND_INFO1_ */ + __le16 fw_rx_desc_bytes; + __le16 rsvd0; + + u8 fw_msdu_rx_desc[0]; +} __packed; + +#define HTT_RX_FRAG_IND_INFO0_EXT_TID_MASK 0x1F +#define HTT_RX_FRAG_IND_INFO0_EXT_TID_LSB 0 +#define HTT_RX_FRAG_IND_INFO0_FLUSH_VALID_MASK 0x20 +#define HTT_RX_FRAG_IND_INFO0_FLUSH_VALID_LSB 5 + +#define HTT_RX_FRAG_IND_INFO1_FLUSH_SEQ_NUM_START_MASK 0x0000003F +#define HTT_RX_FRAG_IND_INFO1_FLUSH_SEQ_NUM_START_LSB 0 +#define HTT_RX_FRAG_IND_INFO1_FLUSH_SEQ_NUM_END_MASK 0x00000FC0 +#define HTT_RX_FRAG_IND_INFO1_FLUSH_SEQ_NUM_END_LSB 6 + +/* + * target -> host test message definition + * + * The following field definitions describe the format of the test + * message sent from the target to the host. + * The message consists of a 4-octet header, followed by a variable + * number of 32-bit integer values, followed by a variable number + * of 8-bit character values. + * + * |31 16|15 8|7 0| + * |-----------------------------------------------------------| + * | num chars | num ints | msg type | + * |-----------------------------------------------------------| + * | int 0 | + * |-----------------------------------------------------------| + * | int 1 | + * |-----------------------------------------------------------| + * | ... | + * |-----------------------------------------------------------| + * | char 3 | char 2 | char 1 | char 0 | + * |-----------------------------------------------------------| + * | | | ... | char 4 | + * |-----------------------------------------------------------| + * - MSG_TYPE + * Bits 7:0 + * Purpose: identifies this as a test message + * Value: HTT_MSG_TYPE_TEST + * - NUM_INTS + * Bits 15:8 + * Purpose: indicate how many 32-bit integers follow the message header + * - NUM_CHARS + * Bits 31:16 + * Purpose: indicate how many 8-bit charaters follow the series of integers + */ +struct htt_rx_test { + u8 num_ints; + __le16 num_chars; + + /* payload consists of 2 lists: + * a) num_ints * sizeof(__le32) + * b) num_chars * sizeof(u8) aligned to 4bytes */ + u8 payload[0]; +} __packed; + +static inline __le32 *htt_rx_test_get_ints(struct htt_rx_test *rx_test) +{ + return (__le32 *)rx_test->payload; +} + +static inline u8 *htt_rx_test_get_chars(struct htt_rx_test *rx_test) +{ + return rx_test->payload + (rx_test->num_ints * sizeof(__le32)); +} + +/* + * target -> host packet log message + * + * The following field definitions describe the format of the packet log + * message sent from the target to the host. + * The message consists of a 4-octet header,followed by a variable number + * of 32-bit character values. + * + * |31 24|23 16|15 8|7 0| + * |-----------------------------------------------------------| + * | | | | msg type | + * |-----------------------------------------------------------| + * | payload | + * |-----------------------------------------------------------| + * - MSG_TYPE + * Bits 7:0 + * Purpose: identifies this as a test message + * Value: HTT_MSG_TYPE_PACKETLOG + */ +struct htt_pktlog_msg { + u8 pad[3]; + __le32 payload[1 /* or more */]; +} __packed; + +struct htt_dbg_stats_rx_reorder_stats { + /* Non QoS MPDUs received */ + __le32 deliver_non_qos; + + /* MPDUs received in-order */ + __le32 deliver_in_order; + + /* Flush due to reorder timer expired */ + __le32 deliver_flush_timeout; + + /* Flush due to move out of window */ + __le32 deliver_flush_oow; + + /* Flush due to DELBA */ + __le32 deliver_flush_delba; + + /* MPDUs dropped due to FCS error */ + __le32 fcs_error; + + /* MPDUs dropped due to monitor mode non-data packet */ + __le32 mgmt_ctrl; + + /* MPDUs dropped due to invalid peer */ + __le32 invalid_peer; + + /* MPDUs dropped due to duplication (non aggregation) */ + __le32 dup_non_aggr; + + /* MPDUs dropped due to processed before */ + __le32 dup_past; + + /* MPDUs dropped due to duplicate in reorder queue */ + __le32 dup_in_reorder; + + /* Reorder timeout happened */ + __le32 reorder_timeout; + + /* invalid bar ssn */ + __le32 invalid_bar_ssn; + + /* reorder reset due to bar ssn */ + __le32 ssn_reset; +}; + +struct htt_dbg_stats_wal_tx_stats { + /* Num HTT cookies queued to dispatch list */ + __le32 comp_queued; + + /* Num HTT cookies dispatched */ + __le32 comp_delivered; + + /* Num MSDU queued to WAL */ + __le32 msdu_enqued; + + /* Num MPDU queue to WAL */ + __le32 mpdu_enqued; + + /* Num MSDUs dropped by WMM limit */ + __le32 wmm_drop; + + /* Num Local frames queued */ + __le32 local_enqued; + + /* Num Local frames done */ + __le32 local_freed; + + /* Num queued to HW */ + __le32 hw_queued; + + /* Num PPDU reaped from HW */ + __le32 hw_reaped; + + /* Num underruns */ + __le32 underrun; + + /* Num PPDUs cleaned up in TX abort */ + __le32 tx_abort; + + /* Num MPDUs requed by SW */ + __le32 mpdus_requed; + + /* excessive retries */ + __le32 tx_ko; + + /* data hw rate code */ + __le32 data_rc; + + /* Scheduler self triggers */ + __le32 self_triggers; + + /* frames dropped due to excessive sw retries */ + __le32 sw_retry_failure; + + /* illegal rate phy errors */ + __le32 illgl_rate_phy_err; + + /* wal pdev continous xretry */ + __le32 pdev_cont_xretry; + + /* wal pdev continous xretry */ + __le32 pdev_tx_timeout; + + /* wal pdev resets */ + __le32 pdev_resets; + + __le32 phy_underrun; + + /* MPDU is more than txop limit */ + __le32 txop_ovf; +} __packed; + +struct htt_dbg_stats_wal_rx_stats { + /* Cnts any change in ring routing mid-ppdu */ + __le32 mid_ppdu_route_change; + + /* Total number of statuses processed */ + __le32 status_rcvd; + + /* Extra frags on rings 0-3 */ + __le32 r0_frags; + __le32 r1_frags; + __le32 r2_frags; + __le32 r3_frags; + + /* MSDUs / MPDUs delivered to HTT */ + __le32 htt_msdus; + __le32 htt_mpdus; + + /* MSDUs / MPDUs delivered to local stack */ + __le32 loc_msdus; + __le32 loc_mpdus; + + /* AMSDUs that have more MSDUs than the status ring size */ + __le32 oversize_amsdu; + + /* Number of PHY errors */ + __le32 phy_errs; + + /* Number of PHY errors drops */ + __le32 phy_err_drop; + + /* Number of mpdu errors - FCS, MIC, ENC etc. */ + __le32 mpdu_errs; +} __packed; + +struct htt_dbg_stats_wal_peer_stats { + __le32 dummy; /* REMOVE THIS ONCE REAL PEER STAT COUNTERS ARE ADDED */ +} __packed; + +struct htt_dbg_stats_wal_pdev_txrx { + struct htt_dbg_stats_wal_tx_stats tx_stats; + struct htt_dbg_stats_wal_rx_stats rx_stats; + struct htt_dbg_stats_wal_peer_stats peer_stats; +} __packed; + +struct htt_dbg_stats_rx_rate_info { + __le32 mcs[10]; + __le32 sgi[10]; + __le32 nss[4]; + __le32 stbc[10]; + __le32 bw[3]; + __le32 pream[6]; + __le32 ldpc; + __le32 txbf; +}; + +/* + * htt_dbg_stats_status - + * present - The requested stats have been delivered in full. + * This indicates that either the stats information was contained + * in its entirety within this message, or else this message + * completes the delivery of the requested stats info that was + * partially delivered through earlier STATS_CONF messages. + * partial - The requested stats have been delivered in part. + * One or more subsequent STATS_CONF messages with the same + * cookie value will be sent to deliver the remainder of the + * information. + * error - The requested stats could not be delivered, for example due + * to a shortage of memory to construct a message holding the + * requested stats. + * invalid - The requested stat type is either not recognized, or the + * target is configured to not gather the stats type in question. + * - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - + * series_done - This special value indicates that no further stats info + * elements are present within a series of stats info elems + * (within a stats upload confirmation message). + */ +enum htt_dbg_stats_status { + HTT_DBG_STATS_STATUS_PRESENT = 0, + HTT_DBG_STATS_STATUS_PARTIAL = 1, + HTT_DBG_STATS_STATUS_ERROR = 2, + HTT_DBG_STATS_STATUS_INVALID = 3, + HTT_DBG_STATS_STATUS_SERIES_DONE = 7 +}; + +/* + * target -> host statistics upload + * + * The following field definitions describe the format of the HTT target + * to host stats upload confirmation message. + * The message contains a cookie echoed from the HTT host->target stats + * upload request, which identifies which request the confirmation is + * for, and a series of tag-length-value stats information elements. + * The tag-length header for each stats info element also includes a + * status field, to indicate whether the request for the stat type in + * question was fully met, partially met, unable to be met, or invalid + * (if the stat type in question is disabled in the target). + * A special value of all 1's in this status field is used to indicate + * the end of the series of stats info elements. + * + * + * |31 16|15 8|7 5|4 0| + * |------------------------------------------------------------| + * | reserved | msg type | + * |------------------------------------------------------------| + * | cookie LSBs | + * |------------------------------------------------------------| + * | cookie MSBs | + * |------------------------------------------------------------| + * | stats entry length | reserved | S |stat type| + * |------------------------------------------------------------| + * | | + * | type-specific stats info | + * | | + * |------------------------------------------------------------| + * | stats entry length | reserved | S |stat type| + * |------------------------------------------------------------| + * | | + * | type-specific stats info | + * | | + * |------------------------------------------------------------| + * | n/a | reserved | 111 | n/a | + * |------------------------------------------------------------| + * Header fields: + * - MSG_TYPE + * Bits 7:0 + * Purpose: identifies this is a statistics upload confirmation message + * Value: 0x9 + * - COOKIE_LSBS + * Bits 31:0 + * Purpose: Provide a mechanism to match a target->host stats confirmation + * message with its preceding host->target stats request message. + * Value: LSBs of the opaque cookie specified by the host-side requestor + * - COOKIE_MSBS + * Bits 31:0 + * Purpose: Provide a mechanism to match a target->host stats confirmation + * message with its preceding host->target stats request message. + * Value: MSBs of the opaque cookie specified by the host-side requestor + * + * Stats Information Element tag-length header fields: + * - STAT_TYPE + * Bits 4:0 + * Purpose: identifies the type of statistics info held in the + * following information element + * Value: htt_dbg_stats_type + * - STATUS + * Bits 7:5 + * Purpose: indicate whether the requested stats are present + * Value: htt_dbg_stats_status, including a special value (0x7) to mark + * the completion of the stats entry series + * - LENGTH + * Bits 31:16 + * Purpose: indicate the stats information size + * Value: This field specifies the number of bytes of stats information + * that follows the element tag-length header. + * It is expected but not required that this length is a multiple of + * 4 bytes. Even if the length is not an integer multiple of 4, the + * subsequent stats entry header will begin on a 4-byte aligned + * boundary. + */ + +#define HTT_STATS_CONF_ITEM_INFO_STAT_TYPE_MASK 0x1F +#define HTT_STATS_CONF_ITEM_INFO_STAT_TYPE_LSB 0 +#define HTT_STATS_CONF_ITEM_INFO_STATUS_MASK 0xE0 +#define HTT_STATS_CONF_ITEM_INFO_STATUS_LSB 5 + +struct htt_stats_conf_item { + union { + u8 info; + struct { + u8 stat_type:5; /* %HTT_DBG_STATS_ */ + u8 status:3; /* %HTT_DBG_STATS_STATUS_ */ + } __packed; + } __packed; + u8 pad; + __le16 length; + u8 payload[0]; /* roundup(length, 4) long */ +} __packed; + +struct htt_stats_conf { + u8 pad[3]; + __le32 cookie_lsb; + __le32 cookie_msb; + + /* each item has variable length! */ + struct htt_stats_conf_item items[0]; +} __packed; + +static inline struct htt_stats_conf_item *htt_stats_conf_next_item( + const struct htt_stats_conf_item *item) +{ + return (void *)item + sizeof(*item) + roundup(item->length, 4); +} +/* + * host -> target FRAG DESCRIPTOR/MSDU_EXT DESC bank + * + * The following field definitions describe the format of the HTT host + * to target frag_desc/msdu_ext bank configuration message. + * The message contains the based address and the min and max id of the + * MSDU_EXT/FRAG_DESC that will be used by the HTT to map MSDU DESC and + * MSDU_EXT/FRAG_DESC. + * HTT will use id in HTT descriptor instead sending the frag_desc_ptr. + * For QCA988X HW the firmware will use fragment_desc_ptr but in WIFI2.0 + * the hardware does the mapping/translation. + * + * Total banks that can be configured is configured to 16. + * + * This should be called before any TX has be initiated by the HTT + * + * |31 16|15 8|7 5|4 0| + * |------------------------------------------------------------| + * | DESC_SIZE | NUM_BANKS | RES |SWP|pdev| msg type | + * |------------------------------------------------------------| + * | BANK0_BASE_ADDRESS | + * |------------------------------------------------------------| + * | ... | + * |------------------------------------------------------------| + * | BANK15_BASE_ADDRESS | + * |------------------------------------------------------------| + * | BANK0_MAX_ID | BANK0_MIN_ID | + * |------------------------------------------------------------| + * | ... | + * |------------------------------------------------------------| + * | BANK15_MAX_ID | BANK15_MIN_ID | + * |------------------------------------------------------------| + * Header fields: + * - MSG_TYPE + * Bits 7:0 + * Value: 0x6 + * - BANKx_BASE_ADDRESS + * Bits 31:0 + * Purpose: Provide a mechanism to specify the base address of the MSDU_EXT + * bank physical/bus address. + * - BANKx_MIN_ID + * Bits 15:0 + * Purpose: Provide a mechanism to specify the min index that needs to + * mapped. + * - BANKx_MAX_ID + * Bits 31:16 + * Purpose: Provide a mechanism to specify the max index that needs to + * + */ +struct htt_frag_desc_bank_id { + __le16 bank_min_id; + __le16 bank_max_id; +} __packed; + +/* real is 16 but it wouldn't fit in the max htt message size + * so we use a conservatively safe value for now */ +#define HTT_FRAG_DESC_BANK_MAX 4 + +#define HTT_FRAG_DESC_BANK_CFG_INFO_PDEV_ID_MASK 0x03 +#define HTT_FRAG_DESC_BANK_CFG_INFO_PDEV_ID_LSB 0 +#define HTT_FRAG_DESC_BANK_CFG_INFO_SWAP (1 << 2) + +struct htt_frag_desc_bank_cfg { + u8 info; /* HTT_FRAG_DESC_BANK_CFG_INFO_ */ + u8 num_banks; + u8 desc_size; + __le32 bank_base_addrs[HTT_FRAG_DESC_BANK_MAX]; + struct htt_frag_desc_bank_id bank_id[HTT_FRAG_DESC_BANK_MAX]; +} __packed; + +union htt_rx_pn_t { + /* WEP: 24-bit PN */ + u32 pn24; + + /* TKIP or CCMP: 48-bit PN */ + u_int64_t pn48; + + /* WAPI: 128-bit PN */ + u_int64_t pn128[2]; +}; + +struct htt_cmd { + struct htt_cmd_hdr hdr; + union { + struct htt_ver_req ver_req; + struct htt_mgmt_tx_desc mgmt_tx; + struct htt_data_tx_desc data_tx; + struct htt_rx_ring_setup rx_setup; + struct htt_stats_req stats_req; + struct htt_oob_sync_req oob_sync_req; + struct htt_aggr_conf aggr_conf; + struct htt_frag_desc_bank_cfg frag_desc_bank_cfg; + }; +} __packed; + +struct htt_resp { + struct htt_resp_hdr hdr; + union { + struct htt_ver_resp ver_resp; + struct htt_mgmt_tx_completion mgmt_tx_completion; + struct htt_data_tx_completion data_tx_completion; + struct htt_rx_indication rx_ind; + struct htt_rx_fragment_indication rx_frag_ind; + struct htt_rx_peer_map peer_map; + struct htt_rx_peer_unmap peer_unmap; + struct htt_rx_flush rx_flush; + struct htt_rx_addba rx_addba; + struct htt_rx_delba rx_delba; + struct htt_security_indication security_indication; + struct htt_rc_update rc_update; + struct htt_rx_test rx_test; + struct htt_pktlog_msg pktlog_msg; + struct htt_stats_conf stats_conf; + }; +} __packed; + + +/*** host side structures follow ***/ + +struct htt_tx_done { + u32 msdu_id; + bool discard; + bool no_ack; +}; + +struct htt_peer_map_event { + u8 vdev_id; + u16 peer_id; + u8 addr[ETH_ALEN]; +}; + +struct htt_peer_unmap_event { + u16 peer_id; +}; + +struct htt_rx_info { + struct sk_buff *skb; + enum htt_rx_mpdu_status status; + enum htt_rx_mpdu_encrypt_type encrypt_type; + s8 signal; + struct { + u8 info0; + u32 info1; + u32 info2; + } rate; + bool fcs_err; +}; + +struct ath10k_htt { + struct ath10k *ar; + enum ath10k_htc_ep_id eid; + + int max_throughput_mbps; + u8 target_version_major; + u8 target_version_minor; + struct completion target_version_received; + + struct { + /* + * Ring of network buffer objects - This ring is + * used exclusively by the host SW. This ring + * mirrors the dev_addrs_ring that is shared + * between the host SW and the MAC HW. The host SW + * uses this netbufs ring to locate the network + * buffer objects whose data buffers the HW has + * filled. + */ + struct sk_buff **netbufs_ring; + /* + * Ring of buffer addresses - + * This ring holds the "physical" device address of the + * rx buffers the host SW provides for the MAC HW to + * fill. + */ + __le32 *paddrs_ring; + + /* + * Base address of ring, as a "physical" device address + * rather than a CPU address. + */ + dma_addr_t base_paddr; + + /* how many elems in the ring (power of 2) */ + int size; + + /* size - 1 */ + unsigned size_mask; + + /* how many rx buffers to keep in the ring */ + int fill_level; + + /* how many rx buffers (full+empty) are in the ring */ + int fill_cnt; + + /* + * alloc_idx - where HTT SW has deposited empty buffers + * This is allocated in consistent mem, so that the FW can + * read this variable, and program the HW's FW_IDX reg with + * the value of this shadow register. + */ + struct { + __le32 *vaddr; + dma_addr_t paddr; + } alloc_idx; + + /* where HTT SW has processed bufs filled by rx MAC DMA */ + struct { + unsigned msdu_payld; + } sw_rd_idx; + + /* + * refill_retry_timer - timer triggered when the ring is + * not refilled to the level expected + */ + struct timer_list refill_retry_timer; + + /* Protects access to all rx ring buffer state variables */ + spinlock_t lock; + } rx_ring; + + unsigned int prefetch_len; + + /* Protects access to %pending_tx, %used_msdu_ids */ + spinlock_t tx_lock; + int max_num_pending_tx; + int num_pending_tx; + struct sk_buff **pending_tx; + unsigned long *used_msdu_ids; /* bitmap */ + wait_queue_head_t empty_tx_wq; + + /* set if host-fw communication goes haywire + * used to avoid further failures */ + bool rx_confused; +}; + +#define RX_HTT_HDR_STATUS_LEN 64 + +/* This structure layout is programmed via rx ring setup + * so that FW knows how to transfer the rx descriptor to the host. + * Buffers like this are placed on the rx ring. */ +struct htt_rx_desc { + union { + /* This field is filled on the host using the msdu buffer + * from htt_rx_indication */ + struct fw_rx_desc_base fw_desc; + u32 pad; + } __packed; + struct { + struct rx_attention attention; + struct rx_frag_info frag_info; + struct rx_mpdu_start mpdu_start; + struct rx_msdu_start msdu_start; + struct rx_msdu_end msdu_end; + struct rx_mpdu_end mpdu_end; + struct rx_ppdu_start ppdu_start; + struct rx_ppdu_end ppdu_end; + } __packed; + u8 rx_hdr_status[RX_HTT_HDR_STATUS_LEN]; + u8 msdu_payload[0]; +}; + +#define HTT_RX_DESC_ALIGN 8 + +#define HTT_MAC_ADDR_LEN 6 + +/* + * FIX THIS + * Should be: sizeof(struct htt_host_rx_desc) + max rx MSDU size, + * rounded up to a cache line size. + */ +#define HTT_RX_BUF_SIZE 1920 +#define HTT_RX_MSDU_SIZE (HTT_RX_BUF_SIZE - (int)sizeof(struct htt_rx_desc)) + +/* + * DMA_MAP expects the buffer to be an integral number of cache lines. + * Rather than checking the actual cache line size, this code makes a + * conservative estimate of what the cache line size could be. + */ +#define HTT_LOG2_MAX_CACHE_LINE_SIZE 7 /* 2^7 = 128 */ +#define HTT_MAX_CACHE_LINE_SIZE_MASK ((1 << HTT_LOG2_MAX_CACHE_LINE_SIZE) - 1) + +struct ath10k_htt *ath10k_htt_attach(struct ath10k *ar); +int ath10k_htt_attach_target(struct ath10k_htt *htt); +void ath10k_htt_detach(struct ath10k_htt *htt); + +int ath10k_htt_tx_attach(struct ath10k_htt *htt); +void ath10k_htt_tx_detach(struct ath10k_htt *htt); +int ath10k_htt_rx_attach(struct ath10k_htt *htt); +void ath10k_htt_rx_detach(struct ath10k_htt *htt); +void ath10k_htt_htc_tx_complete(struct ath10k *ar, struct sk_buff *skb); +void ath10k_htt_t2h_msg_handler(struct ath10k *ar, struct sk_buff *skb); +int ath10k_htt_h2t_ver_req_msg(struct ath10k_htt *htt); +int ath10k_htt_send_rx_ring_cfg_ll(struct ath10k_htt *htt); + +void __ath10k_htt_tx_dec_pending(struct ath10k_htt *htt); +int ath10k_htt_tx_alloc_msdu_id(struct ath10k_htt *htt); +void ath10k_htt_tx_free_msdu_id(struct ath10k_htt *htt, u16 msdu_id); +int ath10k_htt_mgmt_tx(struct ath10k_htt *htt, struct sk_buff *); +int ath10k_htt_tx(struct ath10k_htt *htt, struct sk_buff *); +#endif |