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authorGerrit Renker <gerrit@erg.abdn.ac.uk>2008-11-24 03:02:31 +0300
committerDavid S. Miller <davem@davemloft.net>2008-11-24 03:02:31 +0300
commitb20a9c24d5c5d466d7e4a25c6f1bedbd2d16ad4f (patch)
tree17789215657f693caf36e22d3e724cc1b1e07ba6 /net/dccp/feat.h
parent2c62ad7b56fa8e2658253c0256ef4c4de228a0b9 (diff)
downloadlinux-b20a9c24d5c5d466d7e4a25c6f1bedbd2d16ad4f.tar.xz
dccp: Set per-connection CCIDs via socket options
With this patch, TX/RX CCIDs can now be changed on a per-connection basis, which overrides the defaults set by the global sysctl variables for TX/RX CCIDs. To make full use of this facility, the remaining patches of this patch set are needed, which track dependencies and activate negotiated feature values. Signed-off-by: Gerrit Renker <gerrit@erg.abdn.ac.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/dccp/feat.h')
-rw-r--r--net/dccp/feat.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/net/dccp/feat.h b/net/dccp/feat.h
index 4d172822df17..093af1610d11 100644
--- a/net/dccp/feat.h
+++ b/net/dccp/feat.h
@@ -22,6 +22,8 @@
/* Wmin=32 and Wmax=2^46-1 from 7.5.2 */
#define DCCPF_SEQ_WMIN 32
#define DCCPF_SEQ_WMAX 0x3FFFFFFFFFFFull
+/* Maximum number of SP values that fit in a single (Confirm) option */
+#define DCCP_FEAT_MAX_SP_VALS (DCCP_SINGLE_OPT_MAXLEN - 2)
enum dccp_feat_type {
FEAT_AT_RX = 1, /* located at RX side of half-connection */