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authorRupesh Gujare <rgujare@ozmodevices.com>2012-06-20 13:36:09 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-06-20 16:05:35 -0700
commit00ec12b827d2f99202e0c9d804514aef2febf8d6 (patch)
tree5fd30f1018173afb91501564825b642150bc37ee /drivers/staging/ozwpan
parentfec9f24b6269dc5fb4b1212a970c089461ec7ff2 (diff)
downloadlinaro-lsk-00ec12b827d2f99202e0c9d804514aef2febf8d6.tar.gz
staging: ozwpan: set last_pkt_nb
In case of trigeered ISOC mode set last_pkt_nb only when we are ready to send data. Signed-off-by: Rupesh Gujare <rgujare@ozmodevices.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/ozwpan')
-rw-r--r--drivers/staging/ozwpan/ozpd.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/staging/ozwpan/ozpd.c b/drivers/staging/ozwpan/ozpd.c
index 6c566f58502..25a8a08586d 100644
--- a/drivers/staging/ozwpan/ozpd.c
+++ b/drivers/staging/ozwpan/ozpd.c
@@ -420,6 +420,14 @@ void oz_set_more_bit(struct sk_buff *skb)
oz_hdr->control |= OZ_F_MORE_DATA;
}
/*------------------------------------------------------------------------------
+ * Context: softirq-serialized
+ */
+void oz_set_last_pkt_nb(struct oz_pd *pd, struct sk_buff *skb)
+{
+ struct oz_hdr *oz_hdr = (struct oz_hdr *)skb_network_header(skb);
+ oz_hdr->last_pkt_num = pd->trigger_pkt_num & OZ_LAST_PN_MASK;
+}
+/*------------------------------------------------------------------------------
* Context: softirq
*/
int oz_prepare_frame(struct oz_pd *pd, int empty)
@@ -537,6 +545,7 @@ static int oz_send_next_queued_frame(struct oz_pd *pd, int more_data)
spin_unlock(&pd->tx_frame_lock);
if (more_data)
oz_set_more_bit(skb);
+ oz_set_last_pkt_nb(pd, skb);
if ((int)atomic_read(&g_submitted_isoc) <
OZ_MAX_SUBMITTED_ISOC) {
if (dev_queue_xmit(skb) < 0) {