diff options
Diffstat (limited to 'drivers/net/wireless/ath/ath10k/htt.h')
| -rw-r--r-- | drivers/net/wireless/ath/ath10k/htt.h | 61 |
1 files changed, 38 insertions, 23 deletions
diff --git a/drivers/net/wireless/ath/ath10k/htt.h b/drivers/net/wireless/ath/ath10k/htt.h index a7a7aa04053..9a263462c79 100644 --- a/drivers/net/wireless/ath/ath10k/htt.h +++ b/drivers/net/wireless/ath/ath10k/htt.h @@ -19,14 +19,13 @@ #define _HTT_H_ #include <linux/bug.h> +#include <linux/interrupt.h> +#include <linux/dmapool.h> +#include <net/mac80211.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, @@ -46,6 +45,9 @@ enum htt_h2t_msg_type { /* host-to-target */ 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 */ @@ -1171,18 +1173,12 @@ 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_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; @@ -1265,10 +1261,21 @@ struct ath10k_htt { struct sk_buff **pending_tx; unsigned long *used_msdu_ids; /* bitmap */ 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; + + /* rx_status template */ + struct ieee80211_rx_status rx_status; }; #define RX_HTT_HDR_STATUS_LEN 64 @@ -1309,6 +1316,10 @@ struct htt_rx_desc { #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 @@ -1317,17 +1328,20 @@ struct htt_rx_desc { #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_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); +void ath10k_htt_rx_free(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_h2t_stats_req(struct ath10k_htt *htt, u8 mask, u64 cookie); int ath10k_htt_send_rx_ring_cfg_ll(struct ath10k_htt *htt); void __ath10k_htt_tx_dec_pending(struct ath10k_htt *htt); @@ -1335,4 +1349,5 @@ 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 |