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[DCCP]: Allow default/fallback service code.

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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>
This commit is contained in:
Gerrit Renker 2006-09-22 09:33:58 +01:00 • committed by Arnaldo Carvalho de Melo
parent 1ab9dd0902
commit 00e4d116a7
4 changed files with 7 additions and 21 deletions
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6
include/linux/dccp.h
View file

@ -404,6 +404,7 @@ struct dccp_service_list {
};
#define DCCP_SERVICE_INVALID_VALUE htonl((__u32)-1)
#define DCCP_SERVICE_CODE_IS_ABSENT 0
static inline int dccp_list_has_service(const struct dccp_service_list *sl,
const __be32 service)
@ -484,11 +485,6 @@ static inline struct dccp_minisock *dccp_msk(const struct sock *sk)
return (struct dccp_minisock *)&dccp_sk(sk)->dccps_minisock;
}
static inline int dccp_service_not_initialized(const struct sock *sk)
{
return dccp_sk(sk)->dccps_service == DCCP_SERVICE_INVALID_VALUE;
}
static inline const char *dccp_role(const struct sock *sk)
{
switch (dccp_sk(sk)->dccps_role) {