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linux/drivers/net/wireless/ath/ath10k/htt.h
Michal Kazior 89d6d83565 ath10k: use idr api for msdu_ids 
HTT Tx protocol uses arbitrary host assigned ids
too associate with MSDUs when delivering
completions.

Instead of rolling out own id generation scheme
use the tools provided in kernel.

This should have little to no effect on
performance.

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2015-01-27 16:16:59 +02:00

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/*
* 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 <linux/interrupt.h>
#include <linux/dmapool.h>
#include <linux/hashtable.h>
#include <net/mac80211.h>
#include "htc.h"
#include "rx_desc.h"
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,
/* This command is used for sending management frames in HTT < 3.0.
* HTT >= 3.0 uses TX_FRM for everything. */
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
* freq: 0 means home channel of given vdev. intended for offchannel
*/
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;
__le16 peerid;
__le16 freq;
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
};
#define HTT_RX_RING_SIZE_MIN 128
#define HTT_RX_RING_SIZE_MAX 2048
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;
struct htt_aggr_conf {
u8 max_num_ampdu_subframes;
/* amsdu_subframes is limited by 0x1F mask */
u8 max_num_amsdu_subframes;
} __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_TX_CREDIT_UPDATE_IND = 0xf,
HTT_T2H_MSG_TYPE_RX_PN_IND = 0x10,
HTT_T2H_MSG_TYPE_RX_OFFLOAD_DELIVER_IND = 0x11,
HTT_T2H_MSG_TYPE_RX_IN_ORD_PADDR_IND = 0x12,
/* 0x13 reservd */
HTT_T2H_MSG_TYPE_WDI_IPA_OP_RESPONSE = 0x14,
/* FIXME: Do not depend on this event id. Numbering of this event id is
* broken across different firmware revisions and HTT version fails to
* indicate this.
*/
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
struct htt_rx_pn_ind {
__le16 peer_id;
u8 tid;
u8 seqno_start;
u8 seqno_end;
u8 pn_ie_count;
u8 reserved;
u8 pn_ies[0];
} __packed;
struct htt_rx_offload_msdu {
__le16 msdu_len;
__le16 peer_id;
u8 vdev_id;
u8 tid;
u8 fw_desc;
u8 payload[0];
} __packed;
struct htt_rx_offload_ind {
u8 reserved;
__le16 msdu_count;
} __packed;
struct htt_rx_in_ord_msdu_desc {
__le32 msdu_paddr;
__le16 msdu_len;
u8 fw_desc;
u8 reserved;
} __packed;
struct htt_rx_in_ord_ind {
u8 info;
__le16 peer_id;
u8 vdev_id;
u8 reserved;
__le16 msdu_count;
struct htt_rx_in_ord_msdu_desc msdu_descs[0];
} __packed;
#define HTT_RX_IN_ORD_IND_INFO_TID_MASK 0x0000001f
#define HTT_RX_IN_ORD_IND_INFO_TID_LSB 0
#define HTT_RX_IN_ORD_IND_INFO_OFFLOAD_MASK 0x00000020
#define HTT_RX_IN_ORD_IND_INFO_OFFLOAD_LSB 5
#define HTT_RX_IN_ORD_IND_INFO_FRAG_MASK 0x00000040
#define HTT_RX_IN_ORD_IND_INFO_FRAG_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];
u8 payload[0];
} __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;
struct htt_rx_pn_ind rx_pn_ind;
struct htt_rx_offload_ind rx_offload_ind;
struct htt_rx_in_ord_ind rx_in_ord_ind;
};
} __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 ath10k_htt_txbuf {
struct htt_data_tx_desc_frag frags[2];
struct ath10k_htc_hdr htc_hdr;
struct htt_cmd_hdr cmd_hdr;
struct htt_data_tx_desc cmd_tx;
} __packed;
struct ath10k_htt {
struct ath10k *ar;
enum ath10k_htc_ep_id eid;
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;
/* This is used only with firmware supporting IN_ORD_IND.
*
* With Full Rx Reorder the HTT Rx Ring is more of a temporary
* buffer ring from which buffer addresses are copied by the
* firmware to MAC Rx ring. Firmware then delivers IN_ORD_IND
* pointing to specific (re-ordered) buffers.
*
* FIXME: With kernel generic hashing functions there's a lot
* of hash collisions for sk_buffs.
*/
bool in_ord_rx;
DECLARE_HASHTABLE(skb_table, 4);
/*
* 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, num_pending_tx */
spinlock_t tx_lock;
int max_num_pending_tx;
int num_pending_tx;
struct idr pending_tx;
wait_queue_head_t empty_tx_wq;
struct dma_pool *tx_pool;
/* set if host-fw communication goes haywire
* used to avoid further failures */
bool rx_confused;
struct tasklet_struct rx_replenish_task;
/* This is used to group tx/rx completions separately and process them
* in batches to reduce cache stalls */
struct tasklet_struct txrx_compl_task;
struct sk_buff_head tx_compl_q;
struct sk_buff_head rx_compl_q;
struct sk_buff_head rx_in_ord_compl_q;
/* rx_status template */
struct ieee80211_rx_status rx_status;
};
#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))
/* Refill a bunch of RX buffers for each refill round so that FW/HW can handle
* aggregated traffic more nicely. */
#define ATH10K_HTT_MAX_NUM_REFILL 16
/*
* 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)
int ath10k_htt_connect(struct ath10k_htt *htt);
int ath10k_htt_init(struct ath10k *ar);
int ath10k_htt_setup(struct ath10k_htt *htt);
int ath10k_htt_tx_alloc(struct ath10k_htt *htt);
void ath10k_htt_tx_free(struct ath10k_htt *htt);
int ath10k_htt_rx_alloc(struct ath10k_htt *htt);
int ath10k_htt_rx_ring_refill(struct ath10k *ar);
void ath10k_htt_rx_free(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_h2t_stats_req(struct ath10k_htt *htt, u8 mask, u64 cookie);
int ath10k_htt_send_rx_ring_cfg_ll(struct ath10k_htt *htt);
int ath10k_htt_h2t_aggr_cfg_msg(struct ath10k_htt *htt,
u8 max_subfrms_ampdu,
u8 max_subfrms_amsdu);
void __ath10k_htt_tx_dec_pending(struct ath10k_htt *htt);
int ath10k_htt_tx_alloc_msdu_id(struct ath10k_htt *htt, struct sk_buff *skb);
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
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