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authorGerrit Renker <gerrit@erg.abdn.ac.uk>2007-10-04 14:40:22 -0700
committerDavid S. Miller <davem@sunset.davemloft.net>2007-10-10 16:54:32 -0700
commit126acd5bf769fcb80e38a5360ad12b842d6d29d4 (patch)
treec57698ec1cab7a744dcfdde5b4c8ef2edd3f433a /Documentation
parent[DCCP]: Make all `debug' parameters bool (diff)
downloadlinux-dev-126acd5bf769fcb80e38a5360ad12b842d6d29d4.tar.xz
linux-dev-126acd5bf769fcb80e38a5360ad12b842d6d29d4.zip
[DCCP]: Update API documentation
This adds documentation on the use of service codes on client and server. Signed-off-by: Gerrit Renker <gerrit@erg.abdn.ac.uk> Signed-off-by: Ian McDonald <ian.mcdonald@jandi.co.nz> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'Documentation')
-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 f9157180f7d8..fc8b4fa0b141 100644
--- a/Documentation/networking/dccp.txt
+++ b/Documentation/networking/dccp.txt
@@ -38,8 +38,10 @@ Socket options
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.
+is present). On active sockets this is set before connect(); specifying more
+than one code has no effect (all subsequent service codes are ignored). The
+case is different for passive sockets, where multiple service codes (up to 32)
+can be set before calling bind().
DCCP_SOCKOPT_GET_CUR_MPS is read-only and retrieves the current maximum packet
size (application payload size) in bytes, see RFC 4340, section 14.
@@ -124,5 +126,5 @@ Notes
=====
DCCP does not travel through NAT successfully at present on many boxes. This is
-because the checksum covers the psuedo-header as per TCP and UDP. Linux NAT
+because the checksum covers the pseudo-header as per TCP and UDP. Linux NAT
support for DCCP has been added.