diff options
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-trans.h')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-trans.h | 60 |
1 files changed, 45 insertions, 15 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-trans.h b/drivers/net/wireless/iwlwifi/iwl-trans.h index 8cdb0dd618a6..34d49e171fb4 100644 --- a/drivers/net/wireless/iwlwifi/iwl-trans.h +++ b/drivers/net/wireless/iwlwifi/iwl-trans.h @@ -189,10 +189,9 @@ static inline u32 iwl_rx_packet_payload_len(const struct iwl_rx_packet *pkt) /** * enum CMD_MODE - how to send the host commands ? * - * @CMD_SYNC: The caller will be stalled until the fw responds to the command * @CMD_ASYNC: Return right away and don't wait for the response - * @CMD_WANT_SKB: valid only with CMD_SYNC. The caller needs the buffer of the - * response. The caller needs to call iwl_free_resp when done. + * @CMD_WANT_SKB: Not valid with CMD_ASYNC. The caller needs the buffer of + * the response. The caller needs to call iwl_free_resp when done. * @CMD_HIGH_PRIO: The command is high priority - it goes to the front of the * command queue, but after other high priority commands. valid only * with CMD_ASYNC. @@ -202,7 +201,6 @@ static inline u32 iwl_rx_packet_payload_len(const struct iwl_rx_packet *pkt) * (i.e. mark it as non-idle). */ enum CMD_MODE { - CMD_SYNC = 0, CMD_ASYNC = BIT(0), CMD_WANT_SKB = BIT(1), CMD_SEND_IN_RFKILL = BIT(2), @@ -427,7 +425,7 @@ struct iwl_trans; * @send_cmd:send a host command. Must return -ERFKILL if RFkill is asserted. * If RFkill is asserted in the middle of a SYNC host command, it must * return -ERFKILL straight away. - * May sleep only if CMD_SYNC is set + * May sleep only if CMD_ASYNC is not set * @tx: send an skb * Must be atomic * @reclaim: free packet until ssn. Returns a list of freed packets. @@ -437,8 +435,7 @@ struct iwl_trans; * this one. The op_mode must not configure the HCMD queue. May sleep. * @txq_disable: de-configure a Tx queue to send AMPDUs * Must be atomic - * @wait_tx_queue_empty: wait until all tx queues are empty - * May sleep + * @wait_tx_queue_empty: wait until tx queues are empty. May sleep. * @dbgfs_register: add the dbgfs files under this directory. Files will be * automatically deleted. * @write8: write a u8 to a register at offset ofs from the BAR @@ -464,6 +461,11 @@ struct iwl_trans; * @unref: release a reference previously taken with @ref. Note that * initially the reference count is 1, making an initial @unref * necessary to allow low power states. + * @dump_data: fill a data dump with debug data, maybe containing last + * TX'ed commands and similar. When called with a NULL buffer and + * zero buffer length, provide only the (estimated) required buffer + * length. Return the used buffer length. + * Note that the transport must fill in the proper file headers. */ struct iwl_trans_ops { @@ -471,6 +473,8 @@ struct iwl_trans_ops { void (*op_mode_leave)(struct iwl_trans *iwl_trans); int (*start_fw)(struct iwl_trans *trans, const struct fw_img *fw, bool run_in_rfkill); + int (*update_sf)(struct iwl_trans *trans, + struct iwl_sf_region *st_fwrd_space); void (*fw_alive)(struct iwl_trans *trans, u32 scd_addr); void (*stop_device)(struct iwl_trans *trans); @@ -490,7 +494,7 @@ struct iwl_trans_ops { void (*txq_disable)(struct iwl_trans *trans, int queue); int (*dbgfs_register)(struct iwl_trans *trans, struct dentry* dir); - int (*wait_tx_queue_empty)(struct iwl_trans *trans); + int (*wait_tx_queue_empty)(struct iwl_trans *trans, u32 txq_bm); void (*write8)(struct iwl_trans *trans, u32 ofs, u8 val); void (*write32)(struct iwl_trans *trans, u32 ofs, u32 val); @@ -512,6 +516,10 @@ struct iwl_trans_ops { u32 value); void (*ref)(struct iwl_trans *trans); void (*unref)(struct iwl_trans *trans); + +#ifdef CONFIG_IWLWIFI_DEBUGFS + u32 (*dump_data)(struct iwl_trans *trans, void *buf, u32 buflen); +#endif }; /** @@ -630,6 +638,17 @@ static inline int iwl_trans_start_fw(struct iwl_trans *trans, return trans->ops->start_fw(trans, fw, run_in_rfkill); } +static inline int iwl_trans_update_sf(struct iwl_trans *trans, + struct iwl_sf_region *st_fwrd_space) +{ + might_sleep(); + + if (trans->ops->update_sf) + return trans->ops->update_sf(trans, st_fwrd_space); + + return 0; +} + static inline void iwl_trans_stop_device(struct iwl_trans *trans) { might_sleep(); @@ -665,6 +684,16 @@ static inline void iwl_trans_unref(struct iwl_trans *trans) trans->ops->unref(trans); } +#ifdef CONFIG_IWLWIFI_DEBUGFS +static inline u32 iwl_trans_dump_data(struct iwl_trans *trans, + void *buf, u32 buflen) +{ + if (!trans->ops->dump_data) + return 0; + return trans->ops->dump_data(trans, buf, buflen); +} +#endif + static inline int iwl_trans_send_cmd(struct iwl_trans *trans, struct iwl_host_cmd *cmd) { @@ -678,7 +707,7 @@ static inline int iwl_trans_send_cmd(struct iwl_trans *trans, return -EIO; if (unlikely(trans->state != IWL_TRANS_FW_ALIVE)) { - IWL_ERR(trans, "%s bad state = %d", __func__, trans->state); + IWL_ERR(trans, "%s bad state = %d\n", __func__, trans->state); return -EIO; } @@ -720,7 +749,7 @@ static inline int iwl_trans_tx(struct iwl_trans *trans, struct sk_buff *skb, return -EIO; if (unlikely(trans->state != IWL_TRANS_FW_ALIVE)) - IWL_ERR(trans, "%s bad state = %d", __func__, trans->state); + IWL_ERR(trans, "%s bad state = %d\n", __func__, trans->state); return trans->ops->tx(trans, skb, dev_cmd, queue); } @@ -729,7 +758,7 @@ static inline void iwl_trans_reclaim(struct iwl_trans *trans, int queue, int ssn, struct sk_buff_head *skbs) { if (unlikely(trans->state != IWL_TRANS_FW_ALIVE)) - IWL_ERR(trans, "%s bad state = %d", __func__, trans->state); + IWL_ERR(trans, "%s bad state = %d\n", __func__, trans->state); trans->ops->reclaim(trans, queue, ssn, skbs); } @@ -746,7 +775,7 @@ static inline void iwl_trans_txq_enable(struct iwl_trans *trans, int queue, might_sleep(); if (unlikely((trans->state != IWL_TRANS_FW_ALIVE))) - IWL_ERR(trans, "%s bad state = %d", __func__, trans->state); + IWL_ERR(trans, "%s bad state = %d\n", __func__, trans->state); trans->ops->txq_enable(trans, queue, fifo, sta_id, tid, frame_limit, ssn); @@ -759,12 +788,13 @@ static inline void iwl_trans_ac_txq_enable(struct iwl_trans *trans, int queue, IWL_MAX_TID_COUNT, IWL_FRAME_LIMIT, 0); } -static inline int iwl_trans_wait_tx_queue_empty(struct iwl_trans *trans) +static inline int iwl_trans_wait_tx_queue_empty(struct iwl_trans *trans, + u32 txq_bm) { if (unlikely(trans->state != IWL_TRANS_FW_ALIVE)) - IWL_ERR(trans, "%s bad state = %d", __func__, trans->state); + IWL_ERR(trans, "%s bad state = %d\n", __func__, trans->state); - return trans->ops->wait_tx_queue_empty(trans); + return trans->ops->wait_tx_queue_empty(trans, txq_bm); } static inline int iwl_trans_dbgfs_register(struct iwl_trans *trans, |