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sctp: add stream reconf primitive

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This patch is to add a primitive based on sctp primitive frame for
sending stream reconf request. It works as the other primitives,
and create a SCTP_CMD_REPLY command to send the request chunk out.

sctp_primitive_RECONF would be the api to send a reconf request
chunk.

Signed-off-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Xin Long
2017-01-18 00:44:44 +08:00
committed by David S. Miller
parent 7b9438de0c
commit 7a090b0452
6 changed files with 41 additions and 1 deletions
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3
include/net/sctp/constants.h
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@@ -114,9 +114,10 @@ typedef enum {
SCTP_PRIMITIVE_SEND,
SCTP_PRIMITIVE_REQUESTHEARTBEAT,
SCTP_PRIMITIVE_ASCONF,
SCTP_PRIMITIVE_RECONF,
} sctp_event_primitive_t;
#define SCTP_EVENT_PRIMITIVE_MAX SCTP_PRIMITIVE_ASCONF
#define SCTP_EVENT_PRIMITIVE_MAX SCTP_PRIMITIVE_RECONF
#define SCTP_NUM_PRIMITIVE_TYPES (SCTP_EVENT_PRIMITIVE_MAX + 1)
/* We define here a utility type for manipulating subtypes.

2
include/net/sctp/sctp.h
View File

@@ -141,6 +141,8 @@ int sctp_primitive_ABORT(struct net *, struct sctp_association *, void *arg);
int sctp_primitive_SEND(struct net *, struct sctp_association *, void *arg);
int sctp_primitive_REQUESTHEARTBEAT(struct net *, struct sctp_association *, void *arg);
int sctp_primitive_ASCONF(struct net *, struct sctp_association *, void *arg);
int sctp_primitive_RECONF(struct net *net, struct sctp_association *asoc,
void *arg);
/*
* sctp/input.c

1
include/net/sctp/sm.h
View File

@@ -157,6 +157,7 @@ sctp_state_fn_t sctp_sf_error_shutdown;
sctp_state_fn_t sctp_sf_ignore_primitive;
sctp_state_fn_t sctp_sf_do_prm_requestheartbeat;
sctp_state_fn_t sctp_sf_do_prm_asconf;
sctp_state_fn_t sctp_sf_do_prm_reconf;
/* Prototypes for other event state functions. */
sctp_state_fn_t sctp_sf_do_no_pending_tsn;