diff options
| author |   Marco Varlese <marco.varlese@suse.com> | 2018-02-26 14:52:25 +0100 |
|---|---|---|
| committer |   Damjan Marion <dmarion.lists@gmail.com> | 2018-02-26 22:27:50 +0000 |
| commit | eacf3cfdaf04395c07830b046037f46ae94b06ab (patch) | |
| tree | 79dc7b072cdb27596ca9748b7556c36cd0e47ebe /src/vnet/sctp/sctp.h | |
| parent | 2ae03d2f8f8336454edb34187e222544c1452014 (diff) | |
SCTP: handle INIT corner-case handling
As per RFC4960 the INIT chunk could be received in unexpected scenarios
and - depending on the state of the internal state-machine - the INIT
chunk requires different treatment.
This patch addresses section 5.2.1 and 5.2.2 of the RFC4960.
Change-Id: Ib23ef490c6a5ca3da6c46a9584b75e7577cb7042
Signed-off-by: Marco Varlese <marco.varlese@suse.com>
Diffstat (limited to 'src/vnet/sctp/sctp.h')
| -rw-r--r-- | src/vnet/sctp/sctp.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/src/vnet/sctp/sctp.h b/src/vnet/sctp/sctp.h index 048d153ac55..de5eb8f6685 100644 --- a/src/vnet/sctp/sctp.h +++ b/src/vnet/sctp/sctp.h @@ -237,6 +237,9 @@ typedef struct _sctp_connection u8 next_avail_sub_conn; /**< Represent the index of the next free slot in sub_conn */ + u8 forming_association_changed; /**< This is a flag indicating whether the original association has been modified during + the life-span of the association itself. For instance, a new sub-connection might have been added. */ + } sctp_connection_t; typedef void (sctp_timer_expiration_handler) (u32 conn_index, u32 timer_id); @@ -280,6 +283,16 @@ void sctp_init_mss (sctp_connection_t * sctp_conn); void sctp_prepare_initack_chunk (sctp_connection_t * sctp_conn, u8 idx, vlib_buffer_t * b, ip4_address_t * ip4_addr, ip6_address_t * ip6_addr); +void +sctp_prepare_initack_chunk_for_collision (sctp_connection_t * sctp_conn, + u8 idx, vlib_buffer_t * b, + ip4_address_t * ip4_addr, + ip6_address_t * ip6_addr); +void sctp_prepare_abort_for_collision (sctp_connection_t * sctp_conn, u8 idx, + vlib_buffer_t * b, + ip4_address_t * ip4_addr, + ip6_address_t * ip6_addr); + void sctp_prepare_cookie_echo_chunk (sctp_connection_t * sctp_conn, u8 idx, vlib_buffer_t * b, sctp_state_cookie_param_t * sc); |