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authorKalle Valo <kvalo@qca.qualcomm.com>2012-03-25 17:15:24 +0300
committerKalle Valo <kvalo@qca.qualcomm.com>2012-03-26 16:36:45 +0300
commitcfc10f24576997b6f79e3348abc856c248eb3f07 (patch)
tree7edba2c2267a1d2475719fd42a4245019998e4af
parent900d6b3fea62a991cdb704bed6433ae72b424d96 (diff)
downloadop-kernel-dev-cfc10f24576997b6f79e3348abc856c248eb3f07.zip
op-kernel-dev-cfc10f24576997b6f79e3348abc856c248eb3f07.tar.gz
ath6kl: add pointer to the skb in htc_packet
Needed by the USB code. Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
-rw-r--r--drivers/net/wireless/ath/ath6kl/htc.h8
-rw-r--r--drivers/net/wireless/ath/ath6kl/txrx.c5
2 files changed, 13 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath6kl/htc.h b/drivers/net/wireless/ath/ath6kl/htc.h
index 51f2485..e97ebc3 100644
--- a/drivers/net/wireless/ath/ath6kl/htc.h
+++ b/drivers/net/wireless/ath/ath6kl/htc.h
@@ -311,6 +311,14 @@ struct htc_packet {
void (*completion) (struct htc_target *, struct htc_packet *);
struct htc_target *context;
+
+ /*
+ * optimization for network-oriented data, the HTC packet
+ * can pass the network buffer corresponding to the HTC packet
+ * lower layers may optimized the transfer knowing this is
+ * a network buffer
+ */
+ struct sk_buff *skb;
};
enum htc_send_full_action {
diff --git a/drivers/net/wireless/ath/ath6kl/txrx.c b/drivers/net/wireless/ath/ath6kl/txrx.c
index befe305..53d0334 100644
--- a/drivers/net/wireless/ath/ath6kl/txrx.c
+++ b/drivers/net/wireless/ath/ath6kl/txrx.c
@@ -322,6 +322,7 @@ int ath6kl_control_tx(void *devt, struct sk_buff *skb,
cookie->map_no = 0;
set_htc_pkt_info(&cookie->htc_pkt, cookie, skb->data, skb->len,
eid, ATH6KL_CONTROL_PKT_TAG);
+ cookie->htc_pkt.skb = skb;
/*
* This interface is asynchronous, if there is an error, cleanup
@@ -490,6 +491,7 @@ int ath6kl_data_tx(struct sk_buff *skb, struct net_device *dev)
cookie->map_no = map_no;
set_htc_pkt_info(&cookie->htc_pkt, cookie, skb->data, skb->len,
eid, htc_tag);
+ cookie->htc_pkt.skb = skb;
ath6kl_dbg_dump(ATH6KL_DBG_RAW_BYTES, __func__, "tx ",
skb->data, skb->len);
@@ -888,6 +890,7 @@ void ath6kl_rx_refill(struct htc_target *target, enum htc_endpoint_id endpoint)
skb->data = PTR_ALIGN(skb->data - 4, 4);
set_htc_rxpkt_info(packet, skb, skb->data,
ATH6KL_BUFFER_SIZE, endpoint);
+ packet->skb = skb;
list_add_tail(&packet->list, &queue);
}
@@ -910,6 +913,8 @@ void ath6kl_refill_amsdu_rxbufs(struct ath6kl *ar, int count)
skb->data = PTR_ALIGN(skb->data - 4, 4);
set_htc_rxpkt_info(packet, skb, skb->data,
ATH6KL_AMSDU_BUFFER_SIZE, 0);
+ packet->skb = skb;
+
spin_lock_bh(&ar->lock);
list_add_tail(&packet->list, &ar->amsdu_rx_buffer_queue);
spin_unlock_bh(&ar->lock);
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