iwlagn: reclaim the packets in transport layer

The reclaim flow is really transport related. Define a simple API to allow the
upper layer to request from the transport layer to reclaim packets until an
index written in the Tx response / BA notification.
The transport layer prepares a list of the packets that are being freed and
passes this list to the upper layer.
Between the two layers, the CB of the skb is used to pass a pointer to the
context (BSS / PAN) in which the skb was sent.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 7 insertions, 1 deletions

diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.h b/drivers/net/wireless/iwlwifi/iwl-agn.h
index d2fa77adbf22..f34590765074 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.h
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.h
@@ -146,6 +146,11 @@ int iwlagn_load_ucode_wait_alive(struct iwl_priv *priv,
                                  enum iwlagn_ucode_type ucode_type);
 
 /* lib */
+void iwlagn_set_tx_status(struct iwl_priv *priv,
+                                 struct ieee80211_tx_info *info,
+                                 struct iwlagn_tx_resp *tx_resp,
+                                 bool is_agg);
+void iwlagn_count_agg_tx_err_status(struct iwl_priv *priv, u16 status);
 void iwl_check_abort_status(struct iwl_priv *priv,
                             u8 frame_count, u32 status);
 int iwlagn_hw_valid_rtc_data_addr(u32 addr);
@@ -178,7 +183,8 @@ int iwlagn_txq_check_empty(struct iwl_priv *priv,
 void iwlagn_rx_reply_compressed_ba(struct iwl_priv *priv,
                                 struct iwl_rx_mem_buffer *rxb);
 void iwlagn_rx_reply_tx(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb);
-int iwlagn_tx_queue_reclaim(struct iwl_priv *priv, int txq_id, int index);
+void iwl_tx_queue_reclaim(struct iwl_trans *trans, int txq_id, int index,
+        struct sk_buff_head *skbs);
 
 static inline u32 iwl_tx_status_to_mac80211(u32 status)
 {