sctp_main_t *tm = vnet_get_sctp_main ();
sctp_connection_t *sctp_conn = tm->connections[thread_index];
- sctp_conn->sub_conn[sctp_conn->next_avail_sub_conn].connection.c_index =
- sctp_conn->sub_conn[MAIN_SCTP_SUB_CONN_IDX].connection.c_index;
- sctp_conn->sub_conn[sctp_conn->next_avail_sub_conn].
- connection.thread_index = thread_index;
- sctp_conn->sub_conn[sctp_conn->next_avail_sub_conn].subconn_idx =
- sctp_conn->next_avail_sub_conn;
+ u8 subconn_idx = sctp_next_avail_subconn (sctp_conn);
+
+ ASSERT (subconn_idx < MAX_SCTP_CONNECTIONS);
- sctp_conn->next_avail_sub_conn += 1;
+ sctp_conn->sub_conn[subconn_idx].connection.c_index =
+ sctp_conn->sub_conn[MAIN_SCTP_SUB_CONN_IDX].connection.c_index;
+ sctp_conn->sub_conn[subconn_idx].connection.thread_index = thread_index;
+ sctp_conn->sub_conn[subconn_idx].subconn_idx = subconn_idx;
return sctp_conn;
}
-void
-sctp_sub_connection_add_ip4 (u8 thread_index,
- sctp_ipv4_addr_param_t * ipv4_addr)
+u8
+sctp_sub_connection_add_ip4 (vlib_main_t * vm,
+ ip4_address_t * lcl_addr,
+ ip4_address_t * rmt_addr)
{
- sctp_connection_t *sctp_conn = sctp_sub_connection_add (thread_index);
+ sctp_connection_t *sctp_conn = sctp_sub_connection_add (vm->thread_index);
+
+ u8 subconn_idx = sctp_next_avail_subconn (sctp_conn);
+
+ if (subconn_idx == MAX_SCTP_CONNECTIONS)
+ return SCTP_ERROR_MAX_CONNECTIONS;
- clib_memcpy (&sctp_conn->
- sub_conn[sctp_conn->next_avail_sub_conn].connection.lcl_ip.ip4,
- &ipv4_addr->address, sizeof (ipv4_addr->address));
+ clib_memcpy (&sctp_conn->sub_conn[subconn_idx].connection.lcl_ip,
+ &lcl_addr, sizeof (lcl_addr));
+
+ clib_memcpy (&sctp_conn->sub_conn[subconn_idx].connection.rmt_ip,
+ &rmt_addr, sizeof (rmt_addr));
sctp_conn->forming_association_changed = 1;
+
+ return SCTP_ERROR_NONE;
}
-void
-sctp_sub_connection_add_ip6 (u8 thread_index,
- sctp_ipv6_addr_param_t * ipv6_addr)
+u8
+sctp_sub_connection_del_ip4 (ip4_address_t * lcl_addr,
+ ip4_address_t * rmt_addr)
+{
+ sctp_main_t *sctp_main = vnet_get_sctp_main ();
+
+ u32 thread_idx = vlib_get_thread_index ();
+ u8 i;
+
+ ASSERT (thread_idx == 0);
+
+ for (i = 0; i < MAX_SCTP_CONNECTIONS; i++)
+ {
+ sctp_connection_t *sctp_conn = sctp_main->connections[thread_idx];
+ sctp_sub_connection_t *sub_conn =
+ &sctp_main->connections[thread_idx]->sub_conn[i];
+ ip46_address_t *lcl_ip =
+ &sctp_main->connections[thread_idx]->sub_conn[i].connection.lcl_ip;
+ ip46_address_t *rmt_ip =
+ &sctp_main->connections[thread_idx]->sub_conn[i].connection.rmt_ip;
+
+ if (!sub_conn->connection.is_ip4)
+ continue;
+ if (lcl_ip->ip4.as_u32 == lcl_addr->as_u32 &&
+ rmt_ip->ip4.as_u32 == rmt_addr->as_u32)
+ {
+ sub_conn->state = SCTP_SUBCONN_STATE_DOWN;
+ sctp_conn->forming_association_changed = 1;
+ break;
+ }
+ }
+ return SCTP_ERROR_NONE;
+}
+
+u8
+sctp_sub_connection_add_ip6 (vlib_main_t * vm,
+ ip6_address_t * lcl_addr,
+ ip6_address_t * rmt_addr)
{
- sctp_connection_t *sctp_conn = sctp_sub_connection_add (thread_index);
+ sctp_connection_t *sctp_conn = sctp_sub_connection_add (vm->thread_index);
+
+ u8 subconn_idx = sctp_next_avail_subconn (sctp_conn);
- clib_memcpy (&sctp_conn->
- sub_conn[sctp_conn->next_avail_sub_conn].connection.lcl_ip.ip6,
- &ipv6_addr->address, sizeof (ipv6_addr->address));
+ if (subconn_idx == MAX_SCTP_CONNECTIONS)
+ return SCTP_ERROR_MAX_CONNECTIONS;
+
+ clib_memcpy (&sctp_conn->sub_conn[subconn_idx].connection.lcl_ip,
+ &lcl_addr, sizeof (lcl_addr));
+
+ clib_memcpy (&sctp_conn->sub_conn[subconn_idx].connection.rmt_ip,
+ &rmt_addr, sizeof (rmt_addr));
sctp_conn->forming_association_changed = 1;
+
+ return SCTP_ERROR_NONE;
+}
+
+u8
+sctp_sub_connection_del_ip6 (ip6_address_t * lcl_addr,
+ ip6_address_t * rmt_addr)
+{
+ sctp_main_t *sctp_main = vnet_get_sctp_main ();
+
+ u32 thread_idx = vlib_get_thread_index ();
+ u8 i;
+
+ ASSERT (thread_idx == 0);
+
+ for (i = 0; i < MAX_SCTP_CONNECTIONS; i++)
+ {
+ sctp_connection_t *sctp_conn = sctp_main->connections[thread_idx];
+ sctp_sub_connection_t *sub_conn =
+ &sctp_main->connections[thread_idx]->sub_conn[i];
+ ip46_address_t *lcl_ip =
+ &sctp_main->connections[thread_idx]->sub_conn[i].connection.lcl_ip;
+ ip46_address_t *rmt_ip =
+ &sctp_main->connections[thread_idx]->sub_conn[i].connection.rmt_ip;
+
+ if (!sub_conn->connection.is_ip4)
+ continue;
+ if ((lcl_ip->ip6.as_u64[0] == lcl_addr->as_u64[0]
+ && lcl_ip->ip6.as_u64[1] == lcl_addr->as_u64[1])
+ && (rmt_ip->ip6.as_u64[0] == rmt_addr->as_u64[0]
+ && rmt_ip->ip6.as_u64[1] == rmt_addr->as_u64[1]))
+ {
+ sub_conn->state = SCTP_SUBCONN_STATE_DOWN;
+ sctp_conn->forming_association_changed = 1;
+ break;
+ }
+ }
+ return SCTP_ERROR_NONE;
}
sctp_connection_t *
sctp_conn - sctp_main->connections[thread_index];
sctp_conn->sub_conn[MAIN_SCTP_SUB_CONN_IDX].c_thread_index = thread_index;
sctp_conn->local_tag = 0;
- sctp_conn->next_avail_sub_conn = 1;
return sctp_conn;
}
.format_connection = format_sctp_session,
.format_listener = format_sctp_listener_session,
.format_half_open = format_sctp_half_open,
+ .tx_type = TRANSPORT_TX_DEQUEUE,
+ .service_type = TRANSPORT_SERVICE_VC,
};
/* *INDENT ON* */
transport_register_protocol (TRANSPORT_PROTO_SCTP, &sctp_proto,
FIB_PROTOCOL_IP6, sctp6_output_node.index);
+ sctp_api_reference ();
+
return 0;
}