|author||Gerrit Renker <firstname.lastname@example.org>||2007-10-04 14:40:22 -0700|
|committer||David S. Miller <email@example.com>||2007-10-10 16:54:32 -0700|
|parent||[DCCP]: Make all `debug' parameters bool (diff)|
[DCCP]: Update API documentation
This adds documentation on the use of service codes on client and server. Signed-off-by: Gerrit Renker <firstname.lastname@example.org> Signed-off-by: Ian McDonald <email@example.com> Signed-off-by: Arnaldo Carvalho de Melo <firstname.lastname@example.org> Signed-off-by: David S. Miller <email@example.com>
Diffstat (limited to 'Documentation')
1 files changed, 5 insertions, 3 deletions
diff --git a/Documentation/networking/dccp.txt b/Documentation/networking/dccp.txt
index f9157180f7d8..fc8b4fa0b141 100644
@@ -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.