diff options
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/iwl-op-mode.h | 11 | ||||
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/iwl-trans.h | 7 | ||||
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/pcie/tx.c | 7 |
3 files changed, 21 insertions, 4 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-op-mode.h b/drivers/net/wireless/intel/iwlwifi/iwl-op-mode.h index 2a58d6833224..ffff31c38ecf 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-op-mode.h +++ b/drivers/net/wireless/intel/iwlwifi/iwl-op-mode.h @@ -123,6 +123,8 @@ struct iwl_cfg; * received on the RSS queue(s). The queue parameter indicates which of the * RSS queues received this frame; it will always be non-zero. * This method must not sleep. + * @async_cb: called when an ASYNC command with CMD_WANT_ASYNC_CALLBACK set + * completes. Must be atomic. * @queue_full: notifies that a HW queue is full. * Must be atomic and called with BH disabled. * @queue_not_full: notifies that a HW queue is not full any more. @@ -155,6 +157,8 @@ struct iwl_op_mode_ops { struct iwl_rx_cmd_buffer *rxb); void (*rx_rss)(struct iwl_op_mode *op_mode, struct napi_struct *napi, struct iwl_rx_cmd_buffer *rxb, unsigned int queue); + void (*async_cb)(struct iwl_op_mode *op_mode, + const struct iwl_device_cmd *cmd); void (*queue_full)(struct iwl_op_mode *op_mode, int queue); void (*queue_not_full)(struct iwl_op_mode *op_mode, int queue); bool (*hw_rf_kill)(struct iwl_op_mode *op_mode, bool state); @@ -203,6 +207,13 @@ static inline void iwl_op_mode_rx_rss(struct iwl_op_mode *op_mode, op_mode->ops->rx_rss(op_mode, napi, rxb, queue); } +static inline void iwl_op_mode_async_cb(struct iwl_op_mode *op_mode, + const struct iwl_device_cmd *cmd) +{ + if (op_mode->ops->async_cb) + op_mode->ops->async_cb(op_mode, cmd); +} + static inline void iwl_op_mode_queue_full(struct iwl_op_mode *op_mode, int queue) { diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-trans.h b/drivers/net/wireless/intel/iwlwifi/iwl-trans.h index 0cd69cd98cd6..77ae7fa3053e 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-trans.h +++ b/drivers/net/wireless/intel/iwlwifi/iwl-trans.h @@ -248,6 +248,8 @@ static inline u32 iwl_rx_packet_payload_len(const struct iwl_rx_packet *pkt) * @CMD_MAKE_TRANS_IDLE: The command response should mark the trans as idle. * @CMD_WAKE_UP_TRANS: The command response should wake up the trans * (i.e. mark it as non-idle). + * @CMD_WANT_ASYNC_CALLBACK: the op_mode's async callback function must be + * called after this command completes. Valid only with CMD_ASYNC. * @CMD_TB_BITMAP_POS: Position of the first bit for the TB bitmap. We need to * check that we leave enough room for the TBs bitmap which needs 20 bits. */ @@ -259,6 +261,7 @@ enum CMD_MODE { CMD_SEND_IN_IDLE = BIT(4), CMD_MAKE_TRANS_IDLE = BIT(5), CMD_WAKE_UP_TRANS = BIT(6), + CMD_WANT_ASYNC_CALLBACK = BIT(7), CMD_TB_BITMAP_POS = 11, }; @@ -903,6 +906,10 @@ static inline int iwl_trans_send_cmd(struct iwl_trans *trans, return -EIO; } + if (WARN_ON((cmd->flags & CMD_WANT_ASYNC_CALLBACK) && + !(cmd->flags & CMD_ASYNC))) + return -EINVAL; + if (!(cmd->flags & CMD_ASYNC)) lock_map_acquire_read(&trans->sync_cmd_lockdep_map); diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/tx.c b/drivers/net/wireless/intel/iwlwifi/pcie/tx.c index 95ba920edb1d..fe8241ff8da2 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/tx.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/tx.c @@ -1593,10 +1593,6 @@ static int iwl_pcie_enqueue_hcmd(struct iwl_trans *trans, /* * iwl_pcie_hcmd_complete - Pull unused buffers off the queue and reclaim them * @rxb: Rx buffer to reclaim - * - * If an Rx buffer has an async callback associated with it the callback - * will be executed. The attached skb (if present) will only be freed - * if the callback returns 1 */ void iwl_pcie_hcmd_complete(struct iwl_trans *trans, struct iwl_rx_cmd_buffer *rxb) @@ -1640,6 +1636,9 @@ void iwl_pcie_hcmd_complete(struct iwl_trans *trans, meta->source->_rx_page_order = trans_pcie->rx_page_order; } + if (meta->flags & CMD_WANT_ASYNC_CALLBACK) + iwl_op_mode_async_cb(trans->op_mode, cmd); + iwl_pcie_cmdq_reclaim(trans, txq_id, index); if (!(meta->flags & CMD_ASYNC)) { |