From 191a59401c0552e5ea79041f34456eb9fcc1f311 Mon Sep 17 00:00:00 2001 From: Marco Varlese Date: Mon, 30 Oct 2017 18:17:21 +0100 Subject: SCTP stack (RFC4960) == CONTENT == * SCTP chunks definition as per RFC4960; * Helper functions to set/get values to/from the corresponding chunks; * Hooks to the session/application layers; * Complete state-machine handling; * Implementation for unexpected chunk received in a certain state (state-machine error handling) * Support for 1-single connection; * Sample application to test receive/transmit data-path; * Test to validate SCTP stack; Change-Id: I1b55c455ab400be9513f4e094dadfc3181d2ebc9 Signed-off-by: Marco Varlese --- src/vnet/session/application_interface.c | 17 ++++++++++++++++- src/vnet/session/transport.c | 7 +++++++ src/vnet/session/transport.h | 3 ++- 3 files changed, 25 insertions(+), 2 deletions(-) (limited to 'src/vnet/session') diff --git a/src/vnet/session/application_interface.c b/src/vnet/session/application_interface.c index 8dab3d67bce..ec317896f14 100644 --- a/src/vnet/session/application_interface.c +++ b/src/vnet/session/application_interface.c @@ -326,7 +326,22 @@ unformat_vnet_uri (unformat_input_t * input, va_list * args) sep->is_ip4 = 0; return 1; } - + if (unformat (input, "sctp://%U/%d", unformat_ip4_address, &sep->ip.ip4, + &sep->port)) + { + sep->transport_proto = TRANSPORT_PROTO_SCTP; + sep->port = clib_host_to_net_u16 (sep->port); + sep->is_ip4 = 1; + return 1; + } + if (unformat (input, "sctp://%U/%d", unformat_ip6_address, &sep->ip.ip6, + &sep->port)) + { + sep->transport_proto = TRANSPORT_PROTO_SCTP; + sep->port = clib_host_to_net_u16 (sep->port); + sep->is_ip4 = 0; + return 1; + } return 0; } diff --git a/src/vnet/session/transport.c b/src/vnet/session/transport.c index 2f01ac6c092..964e739550e 100644 --- a/src/vnet/session/transport.c +++ b/src/vnet/session/transport.c @@ -54,6 +54,9 @@ format_transport_proto (u8 * s, va_list * args) case TRANSPORT_PROTO_UDP: s = format (s, "UDP"); break; + case TRANSPORT_PROTO_SCTP: + s = format (s, "SCTP"); + break; } return s; } @@ -86,6 +89,10 @@ unformat_transport_proto (unformat_input_t * input, va_list * args) *proto = TRANSPORT_PROTO_UDP; else if (unformat (input, "UDP")) *proto = TRANSPORT_PROTO_UDP; + if (unformat (input, "sctp")) + *proto = TRANSPORT_PROTO_SCTP; + else if (unformat (input, "SCTP")) + *proto = TRANSPORT_PROTO_SCTP; else return 0; return 1; diff --git a/src/vnet/session/transport.h b/src/vnet/session/transport.h index 61a2b7b8aa6..12b6a0551d8 100644 --- a/src/vnet/session/transport.h +++ b/src/vnet/session/transport.h @@ -70,6 +70,7 @@ typedef enum _transport_proto { TRANSPORT_PROTO_TCP, TRANSPORT_PROTO_UDP, + TRANSPORT_PROTO_SCTP, TRANSPORT_N_PROTO } transport_proto_t; @@ -110,7 +111,7 @@ transport_endpoint_fib_proto (transport_endpoint_t * tep) always_inline u8 transport_is_stream (u8 proto) { - return (proto == TRANSPORT_PROTO_TCP); + return ((proto == TRANSPORT_PROTO_TCP) || (proto == TRANSPORT_PROTO_SCTP)); } always_inline u8 -- cgit 1.2.3-korg