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authorGerrit Renker <gerrit@erg.abdn.ac.uk>2006-09-22 09:33:58 +0100
committerArnaldo Carvalho de Melo <acme@mandriva.com>2006-09-24 17:49:26 -0300
commit00e4d116a7ef94eb910be037912b0b2fc09f608b (patch)
tree81e8a52c7529691b3c07605613da65cae80f41c9 /Documentation/networking
parent1ab9dd0902df4f4ff56fbf672220549090ab28ba (diff)
downloadop-kernel-dev-00e4d116a7ef94eb910be037912b0b2fc09f608b.zip
op-kernel-dev-00e4d116a7ef94eb910be037912b0b2fc09f608b.tar.gz
[DCCP]: Allow default/fallback service code.
This has been discussed on dccp@vger and removes the necessity for applications to supply service codes in each and every case. If an application does not want to provide a service code, that's fine, it will be given 0. Otherwise, service codes can be set via socket options as before. This patch has been tested using various client/server configurations (including listening on multiple service codes). Signed-off-by: Gerrit Renker <gerrit@erg.abdn.ac.uk> Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
Diffstat (limited to 'Documentation/networking')
-rw-r--r--Documentation/networking/dccp.txt8
1 files changed, 5 insertions, 3 deletions
diff --git a/Documentation/networking/dccp.txt b/Documentation/networking/dccp.txt
index c45daab..74563b3 100644
--- a/Documentation/networking/dccp.txt
+++ b/Documentation/networking/dccp.txt
@@ -1,7 +1,6 @@
DCCP protocol
============
-Last updated: 10 November 2005
Contents
========
@@ -42,8 +41,11 @@ Socket options
DCCP_SOCKOPT_PACKET_SIZE is used for CCID3 to set default packet size for
calculations.
-DCCP_SOCKOPT_SERVICE sets the service. This is compulsory as per the
-specification. If you don't set it you will get EPROTO.
+DCCP_SOCKOPT_SERVICE sets the service. The specification mandates use of
+service codes (RFC 4340, sec. 8.1.2); if this socket option is not set,
+the socket will fall back to 0 (which means that no meaningful service code
+is present). Connecting sockets set at most one service option; for
+listening sockets, multiple service codes can be specified.
Notes
=====
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