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

[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

net/dccp/output.c

+2 −1
Original line number Diff line number Diff line
@@ -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);

		if (rc <= 0)

			break;

		dccp_pr_debug("delayed send by %d msec\n", rc);

		delay = msecs_to_jiffies(rc);

		sk->sk_write_pending++;

		release_sock(sk);
@@ -255,7 +256,7 @@ void dccp_write_xmit(struct sock *sk, int block) 
				DCCP_BUG("err=%d after ccid_hc_tx_packet_sent",

					 err);

		} else {

			dccp_pr_debug("packet discarded\n");

			dccp_pr_debug("packet discarded due to err=%d\n", err);

			kfree_skb(skb);

		}

	}

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