From 00ec12b827d2f99202e0c9d804514aef2febf8d6 Mon Sep 17 00:00:00 2001 From: Rupesh Gujare Date: Wed, 20 Jun 2012 13:36:09 +0100 Subject: [PATCH] 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 Signed-off-by: Greg Kroah-Hartman --- drivers/staging/ozwpan/ozpd.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/staging/ozwpan/ozpd.c b/drivers/staging/ozwpan/ozpd.c index 6c566f5..25a8a08 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) { -- 2.7.4