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authorGerrit Renker <gerrit@erg.abdn.ac.uk>2006-11-14 12:48:10 -0200
committerDavid S. Miller <davem@sunset.davemloft.net>2006-12-02 21:22:29 -0800
commitc02fdc0e81e9c735d8d895af1e201b235df326d8 (patch)
treef30af6744e4ecea9e5bb12483addb306d49ce458 /include/linux/dccp.h
parent6a128e053e75a5f1be9fb53d0d53159f88197c61 (diff)
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[DCCP]: Make feature negotiation more readable
This patch replaces cryptic feature negotiation messages of type Oct 31 15:42:20 kernel: dccp_feat_change: feat change type=32 feat=1 Oct 31 15:42:21 kernel: dccp_feat_change: feat change type=34 feat=1 Oct 31 15:42:21 kernel: dccp_feat_change: feat change type=32 feat=5 into ones of type: Nov 2 13:54:45 kernel: dccp_feat_change: ChangeL(CCID (1), 3) Nov 2 13:54:45 kernel: dccp_feat_change: ChangeR(CCID (1), 3) Nov 2 13:54:45 kernel: dccp_feat_change: ChangeL(Ack Ratio (5), 2) Also, * completed the feature number list wrt RFC 4340 sec. 6.4 * annotating which ones have been implemented so far * implemented rudimentary sanity checking in feat.c (FIXMEs) * some minor fixes Commiter note: uninlined dccp_feat_name and dccp_feat_typename, for consistency with dccp_{state,packet}_name, that, BTW, should be compiled only if CONFIG_IP_DCCP_DEBUG is selected, leaving this to another cset tho. Also shortened dccp_feat_negotiation_debug to dccp_feat_debug. Signed-off-by: Gerrit Renker <gerrit@erg.abdn.ac.uk> Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
Diffstat (limited to 'include/linux/dccp.h')
-rw-r--r--include/linux/dccp.h25
1 files changed, 14 insertions, 11 deletions
diff --git a/include/linux/dccp.h b/include/linux/dccp.h
index 0502dfa..696319e 100644
--- a/include/linux/dccp.h
+++ b/include/linux/dccp.h
@@ -175,18 +175,21 @@ enum {
DCCPC_CCID3 = 3,
};
-/* DCCP features */
-enum {
- DCCPF_RESERVED = 0,
- DCCPF_CCID = 1,
- DCCPF_SEQUENCE_WINDOW = 3,
- DCCPF_ACK_RATIO = 5,
- DCCPF_SEND_ACK_VECTOR = 6,
- DCCPF_SEND_NDP_COUNT = 7,
+/* DCCP features (RFC 4340 section 6.4) */
+ enum {
+ DCCPF_RESERVED = 0,
+ DCCPF_CCID = 1,
+ DCCPF_SHORT_SEQNOS = 2, /* XXX: not yet implemented */
+ DCCPF_SEQUENCE_WINDOW = 3,
+ DCCPF_ECN_INCAPABLE = 4, /* XXX: not yet implemented */
+ DCCPF_ACK_RATIO = 5,
+ DCCPF_SEND_ACK_VECTOR = 6,
+ DCCPF_SEND_NDP_COUNT = 7,
DCCPF_MIN_CSUM_COVER = 8,
- /* 10-127 reserved */
- DCCPF_MIN_CCID_SPECIFIC = 128,
- DCCPF_MAX_CCID_SPECIFIC = 255,
+ DCCPF_DATA_CHECKSUM = 9, /* XXX: not yet implemented */
+ /* 10-127 reserved */
+ DCCPF_MIN_CCID_SPECIFIC = 128,
+ DCCPF_MAX_CCID_SPECIFIC = 255,
};
/* this structure is argument to DCCP_SOCKOPT_CHANGE_X */