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| author | Xin Long <lucien.xin@gmail.com> | 2017-02-17 05:45:43 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-02-20 00:17:59 +0100 |
| commit | d884aa635be6247a1bc5b0fa60d8a16b5f48e279 (patch) | |
| tree | 3f2b0dda8f276609ddca794aca87c95f2218e0a3 | |
| parent | sctp: add reconf chunk process (diff) | |
| download | linux-d884aa635be6247a1bc5b0fa60d8a16b5f48e279.tar.xz linux-d884aa635be6247a1bc5b0fa60d8a16b5f48e279.zip | |
sctp: add reconf chunk event
This patch is to add reconf chunk event based on the sctp event
frame in rx path, it will call sctp_sf_do_reconf to process the
reconf chunk.
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | include/net/sctp/constants.h | 3 | ||||
| -rw-r--r-- | net/sctp/sm_statetable.c | 30 |
2 files changed, 33 insertions, 0 deletions
diff --git a/include/net/sctp/constants.h b/include/net/sctp/constants.h index 3567c971cf3b..b07a745ab69f 100644 --- a/include/net/sctp/constants.h +++ b/include/net/sctp/constants.h @@ -60,11 +60,14 @@ enum { SCTP_DEFAULT_INSTREAMS = SCTP_MAX_STREAM }; #define SCTP_NUM_PRSCTP_CHUNK_TYPES 1 +#define SCTP_NUM_RECONF_CHUNK_TYPES 1 + #define SCTP_NUM_AUTH_CHUNK_TYPES 1 #define SCTP_NUM_CHUNK_TYPES (SCTP_NUM_BASE_CHUNK_TYPES + \ SCTP_NUM_ADDIP_CHUNK_TYPES +\ SCTP_NUM_PRSCTP_CHUNK_TYPES +\ + SCTP_NUM_RECONF_CHUNK_TYPES +\ SCTP_NUM_AUTH_CHUNK_TYPES) /* These are the different flavours of event. */ diff --git a/net/sctp/sm_statetable.c b/net/sctp/sm_statetable.c index b5438b4f6c1e..419b18ebb056 100644 --- a/net/sctp/sm_statetable.c +++ b/net/sctp/sm_statetable.c @@ -482,6 +482,32 @@ static const sctp_sm_table_entry_t prsctp_chunk_event_table[SCTP_NUM_PRSCTP_CHUN TYPE_SCTP_FWD_TSN, }; /*state_fn_t prsctp_chunk_event_table[][] */ +#define TYPE_SCTP_RECONF { \ + /* SCTP_STATE_CLOSED */ \ + TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ + /* SCTP_STATE_COOKIE_WAIT */ \ + TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ + /* SCTP_STATE_COOKIE_ECHOED */ \ + TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ + /* SCTP_STATE_ESTABLISHED */ \ + TYPE_SCTP_FUNC(sctp_sf_do_reconf), \ + /* SCTP_STATE_SHUTDOWN_PENDING */ \ + TYPE_SCTP_FUNC(sctp_sf_do_reconf), \ + /* SCTP_STATE_SHUTDOWN_SENT */ \ + TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ + /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ + TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ + /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ + TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ +} /* TYPE_SCTP_RECONF */ + +/* The primary index for this table is the chunk type. + * The secondary index for this table is the state. + */ +static const sctp_sm_table_entry_t reconf_chunk_event_table[SCTP_NUM_RECONF_CHUNK_TYPES][SCTP_STATE_NUM_STATES] = { + TYPE_SCTP_RECONF, +}; /*state_fn_t reconf_chunk_event_table[][] */ + #define TYPE_SCTP_AUTH { \ /* SCTP_STATE_CLOSED */ \ TYPE_SCTP_FUNC(sctp_sf_ootb), \ @@ -964,6 +990,10 @@ static const sctp_sm_table_entry_t *sctp_chunk_event_lookup(struct net *net, return &addip_chunk_event_table[1][state]; } + if (net->sctp.reconf_enable) + if (cid == SCTP_CID_RECONF) + return &reconf_chunk_event_table[0][state]; + if (net->sctp.auth_enable) { if (cid == SCTP_CID_AUTH) return &auth_chunk_event_table[0][state]; |