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authorXin Long <lucien.xin@gmail.com>2017-02-17 07:45:43 +0300
committerDavid S. Miller <davem@davemloft.net>2017-02-20 02:17:59 +0300
commitd884aa635be6247a1bc5b0fa60d8a16b5f48e279 (patch)
tree3f2b0dda8f276609ddca794aca87c95f2218e0a3 /net/sctp
parent2040d3d7a36265d4a26af4e19a6a8a6154ab4bcc (diff)
downloadlinux-d884aa635be6247a1bc5b0fa60d8a16b5f48e279.tar.xz
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>
Diffstat (limited to 'net/sctp')
-rw-r--r--net/sctp/sm_statetable.c30
1 files changed, 30 insertions, 0 deletions
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];