commit b1308dc015eb09cf094ca169296738a13ae049ad
author Ian McDonald <ian.mcdonald@jandi.co.nz> Mon Nov 20 18:30:17 2006 -0200
committer David S. Miller <davem@sunset.davemloft.net> Sat Dec 02 21:24:37 2006 -0800
tree 9c408412fc94671bb7f23b356ef328489c433d1f
parent 56724aa434e9b4d73548021ede7a1474f533f3fe

[DCCP]: Set TX Queue Length Bounds via Sysctl

Previously the transmit queue was unbounded.

This patch:
	* puts a limit on transmit queue length
	  and sends back EAGAIN if the buffer is full
	* sets the TX queue length to a sensible default
	* implements tx buffer sysctls for DCCP

Signed-off-by: Ian McDonald <ian.mcdonald@jandi.co.nz>
Signed-off-by: Gerrit Renker <gerrit@erg.abdn.ac.uk>
Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>

net/dccp/dccp.h

diff --git a/net/dccp/dccp.h b/net/dccp/dccp.h
index 33d86f5..3a94625 100644
--- a/net/dccp/dccp.h
+++ b/net/dccp/dccp.h
@@ -87,6 +87,7 @@
 extern int  sysctl_dccp_feat_ack_ratio;
 extern int  sysctl_dccp_feat_send_ack_vector;
 extern int  sysctl_dccp_feat_send_ndp_count;
+extern int  sysctl_dccp_tx_qlen;
 
 /* is seq1 < seq2 ? */
 static inline int before48(const u64 seq1, const u64 seq2)