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Differential D24340 Diff 70498 sys/netinet/sctp_asconf.c

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sys/netinet/sctp_asconf.c

Show First 20 Lines • Show All 974 Lines • ▼ Show 20 Lines TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
* route's interface is NOT the same as the address change. * route's interface is NOT the same as the address change.
* If it's the same interface, just clear the cached source * If it's the same interface, just clear the cached source
* address. * address.
*/ */
if (SCTP_ROUTE_HAS_VALID_IFN(&net->ro) && if (SCTP_ROUTE_HAS_VALID_IFN(&net->ro) &&
((ifn == NULL) || ((ifn == NULL) ||
(SCTP_GET_IF_INDEX_FROM_ROUTE(&net->ro) != ifn->ifn_index))) { (SCTP_GET_IF_INDEX_FROM_ROUTE(&net->ro) != ifn->ifn_index))) {
/* clear any cached route */ /* clear any cached route */
RTFREE(net->ro.ro_rt); RO_NHFREE(&net->ro);
net->ro.ro_rt = NULL;
} }
/* clear any cached source address */ /* clear any cached source address */
if (net->src_addr_selected) { if (net->src_addr_selected) {
sctp_free_ifa(net->ro._s_addr); sctp_free_ifa(net->ro._s_addr);
net->ro._s_addr = NULL; net->ro._s_addr = NULL;
net->src_addr_selected = 0; net->src_addr_selected = 0;
} }
} }
▲ Show 20 Lines • Show All 92 Lines • ▼ Show 20 Linessctp_path_check_and_react(struct sctp_tcb *stcb, struct sctp_ifa *newifa)
* (by micchie) * (by micchie)
*/ */
addrnum = sctp_local_addr_count(stcb); addrnum = sctp_local_addr_count(stcb);
SCTPDBG(SCTP_DEBUG_ASCONF1, "p_check_react(): %d local addresses\n", SCTPDBG(SCTP_DEBUG_ASCONF1, "p_check_react(): %d local addresses\n",
addrnum); addrnum);
if (addrnum == 1) { if (addrnum == 1) {
TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
/* clear any cached route and source address */ /* clear any cached route and source address */
if (net->ro.ro_rt) { RO_NHFREE(&net->ro);
RTFREE(net->ro.ro_rt);
net->ro.ro_rt = NULL;
}
if (net->src_addr_selected) { if (net->src_addr_selected) {
sctp_free_ifa(net->ro._s_addr); sctp_free_ifa(net->ro._s_addr);
net->ro._s_addr = NULL; net->ro._s_addr = NULL;
net->src_addr_selected = 0; net->src_addr_selected = 0;
} }
/* Retransmit unacknowledged DATA chunks immediately */ /* Retransmit unacknowledged DATA chunks immediately */
if (sctp_is_mobility_feature_on(stcb->sctp_ep, if (sctp_is_mobility_feature_on(stcb->sctp_ep,
SCTP_MOBILITY_FASTHANDOFF)) { SCTP_MOBILITY_FASTHANDOFF)) {
sctp_net_immediate_retrans(stcb, net); sctp_net_immediate_retrans(stcb, net);
} }
/* also, SET PRIMARY is maybe already sent */ /* also, SET PRIMARY is maybe already sent */
} }
return; return;
} }
/* Multiple local addresses exsist in the association. */ /* Multiple local addresses exsist in the association. */
TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
/* clear any cached route and source address */ /* clear any cached route and source address */
if (net->ro.ro_rt) { RO_NHFREE(&net->ro);
RTFREE(net->ro.ro_rt);
net->ro.ro_rt = NULL;
}
if (net->src_addr_selected) { if (net->src_addr_selected) {
sctp_free_ifa(net->ro._s_addr); sctp_free_ifa(net->ro._s_addr);
net->ro._s_addr = NULL; net->ro._s_addr = NULL;
net->src_addr_selected = 0; net->src_addr_selected = 0;
} }
/* /*
* Check if the nexthop is corresponding to the new address. * Check if the nexthop is corresponding to the new address.
* If the new address is corresponding to the current * If the new address is corresponding to the current
* nexthop, the path will be changed. If the new address is * nexthop, the path will be changed. If the new address is
* NOT corresponding to the current nexthop, the path will * NOT corresponding to the current nexthop, the path will
* not be changed. * not be changed.
*/ */
SCTP_RTALLOC((sctp_route_t *)&net->ro, SCTP_RTALLOC((sctp_route_t *)&net->ro,
stcb->sctp_ep->def_vrf_id, stcb->sctp_ep->def_vrf_id,
stcb->sctp_ep->fibnum); stcb->sctp_ep->fibnum);
if (net->ro.ro_rt == NULL) if (net->ro.ro_nh == NULL)
continue; continue;
changed = 0; changed = 0;
switch (net->ro._l_addr.sa.sa_family) { switch (net->ro._l_addr.sa.sa_family) {
#ifdef INET #ifdef INET
case AF_INET: case AF_INET:
if (sctp_v4src_match_nexthop(newifa, (sctp_route_t *)&net->ro)) { if (sctp_v4src_match_nexthop(newifa, (sctp_route_t *)&net->ro)) {
changed = 1; changed = 1;
▲ Show 20 Lines • Show All 1,066 Lines • ▼ Show 20 Lines#endif
if (type == SCTP_ADD_IP_ADDRESS) { if (type == SCTP_ADD_IP_ADDRESS) {
/* prevent this address from being used as a source */ /* prevent this address from being used as a source */
sctp_add_local_addr_restricted(stcb, ifa); sctp_add_local_addr_restricted(stcb, ifa);
} else if (type == SCTP_DEL_IP_ADDRESS) { } else if (type == SCTP_DEL_IP_ADDRESS) {
struct sctp_nets *net; struct sctp_nets *net;
TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
sctp_rtentry_t *rt;
/* delete this address if cached */ /* delete this address if cached */
if (net->ro._s_addr == ifa) { if (net->ro._s_addr == ifa) {
sctp_free_ifa(net->ro._s_addr); sctp_free_ifa(net->ro._s_addr);
net->ro._s_addr = NULL; net->ro._s_addr = NULL;
net->src_addr_selected = 0; net->src_addr_selected = 0;
rt = net->ro.ro_rt; RO_NHFREE(&net->ro);
if (rt) {
RTFREE(rt);
net->ro.ro_rt = NULL;
}
/* /*
* Now we deleted our src address, * Now we deleted our src address,
* should we not also now reset the * should we not also now reset the
* cwnd/rto to start as if its a new * cwnd/rto to start as if its a new
* address? * address?
*/ */
stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net);
net->RTO = 0; net->RTO = 0;
▲ Show 20 Lines • Show All 1,270 Lines • Show Last 20 Lines