Commit 6626e362 authored by Gerrit Renker's avatar Gerrit Renker Committed by David S. Miller

[DCCP]: More debug information for dccp_wait_for_ccid

This adds more detail in the wait_for_ccid packet scheduling loop.
In particular, it informs about (i) when delay is used and (ii) why
a packet is discarded.
Signed-off-by: default avatarGerrit Renker <gerrit@erg.abdn.ac.uk>
Signed-off-by: default avatarIan McDonald <ian.mcdonald@jandi.co.nz>
Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent ac12b0c4
...@@ -194,6 +194,7 @@ static int dccp_wait_for_ccid(struct sock *sk, struct sk_buff *skb) ...@@ -194,6 +194,7 @@ static int dccp_wait_for_ccid(struct sock *sk, struct sk_buff *skb)
rc = ccid_hc_tx_send_packet(dp->dccps_hc_tx_ccid, sk, skb); rc = ccid_hc_tx_send_packet(dp->dccps_hc_tx_ccid, sk, skb);
if (rc <= 0) if (rc <= 0)
break; break;
dccp_pr_debug("delayed send by %d msec\n", rc);
delay = msecs_to_jiffies(rc); delay = msecs_to_jiffies(rc);
sk->sk_write_pending++; sk->sk_write_pending++;
release_sock(sk); release_sock(sk);
...@@ -255,7 +256,7 @@ void dccp_write_xmit(struct sock *sk, int block) ...@@ -255,7 +256,7 @@ void dccp_write_xmit(struct sock *sk, int block)
DCCP_BUG("err=%d after ccid_hc_tx_packet_sent", DCCP_BUG("err=%d after ccid_hc_tx_packet_sent",
err); err);
} else { } else {
dccp_pr_debug("packet discarded\n"); dccp_pr_debug("packet discarded due to err=%d\n", err);
kfree_skb(skb); kfree_skb(skb);
} }
} }
......
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