Page MenuHomeFreeBSD
Files F132024778

D31908.diff
No OneTemporary
Actions

D31908.diff
View Options

Index: sys/netinet/sctp_input.c
===================================================================
--- sys/netinet/sctp_input.c
+++ sys/netinet/sctp_input.c
@@ -679,7 +679,9 @@
if ((SCTP_GET_STATE(stcb) == SCTP_STATE_COOKIE_WAIT) ||
(SCTP_GET_STATE(stcb) == SCTP_STATE_COOKIE_ECHOED)) {
+ SCTP_INP_INFO_RLOCK();
new_vtag = sctp_select_a_tag(stcb->sctp_ep, stcb->sctp_ep->sctp_lport, stcb->rport, 1);
+ SCTP_INP_INFO_RLOCK();
atomic_add_int(&stcb->asoc.refcnt, 1);
SCTP_TCB_UNLOCK(stcb);
SCTP_INP_INFO_WLOCK();
@@ -2183,6 +2185,8 @@
* INIT/INIT-ACK/COOKIE arrived. But of course then it
* should have went to the other code.. not here.. oh well..
* a bit of protection is worth having..
+ *
+ * XXXMJ unlocked
*/
stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED;
soisconnected(stcb->sctp_socket);
Index: sys/netinet/sctp_output.c
===================================================================
--- sys/netinet/sctp_output.c
+++ sys/netinet/sctp_output.c
@@ -5817,7 +5817,9 @@
atomic_add_int(&asoc->refcnt, 1);
SCTP_TCB_UNLOCK(stcb);
new_tag:
+ SCTP_INP_INFO_RLOCK();
vtag = sctp_select_a_tag(inp, inp->sctp_lport, sh->src_port, 1);
+ SCTP_INP_INFO_RUNLOCK();
if ((asoc->peer_supports_nat) && (vtag == asoc->my_vtag)) {
/*
* Got a duplicate vtag on some guy behind a
@@ -5834,7 +5836,9 @@
} else {
SCTP_INP_INCR_REF(inp);
SCTP_INP_RUNLOCK(inp);
+ SCTP_INP_INFO_RLOCK();
vtag = sctp_select_a_tag(inp, inp->sctp_lport, sh->src_port, 1);
+ SCTP_INP_INFO_RUNLOCK();
initack->init.initiate_tag = htonl(vtag);
/* get a TSN to use too */
initack->init.initial_tsn = htonl(sctp_select_initial_TSN(&inp->sctp_ep));
@@ -12722,7 +12726,7 @@
panic("Error, should hold create lock and I don't?");
}
#endif
- stcb = sctp_aloc_assoc(inp, addr, &error, 0, 0, vrf_id,
+ stcb = sctp_aloc_assoc_connected(inp, addr, &error, 0, 0, vrf_id,
inp->sctp_ep.pre_open_stream_count,
inp->sctp_ep.port,
p,
@@ -12731,14 +12735,6 @@
/* Error is setup for us in the call */
goto out_unlocked;
}
- if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) {
- stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED;
- /*
- * Set the connected flag so we can queue
- * data
- */
- soisconnecting(so);
- }
hold_tcblock = 1;
if (create_lock_applied) {
SCTP_ASOC_CREATE_UNLOCK(inp);
Index: sys/netinet/sctp_pcb.h
===================================================================
--- sys/netinet/sctp_pcb.h
+++ sys/netinet/sctp_pcb.h
@@ -577,6 +577,10 @@
sctp_aloc_assoc(struct sctp_inpcb *, struct sockaddr *,
int *, uint32_t, uint32_t, uint32_t, uint16_t, uint16_t,
struct thread *, int);
+struct sctp_tcb *
+sctp_aloc_assoc_connected(struct sctp_inpcb *, struct sockaddr *,
+ int *, uint32_t, uint32_t, uint32_t, uint16_t, uint16_t,
+ struct thread *, int);
int sctp_free_assoc(struct sctp_inpcb *, struct sctp_tcb *, int, int);
Index: sys/netinet/sctp_pcb.c
===================================================================
--- sys/netinet/sctp_pcb.c
+++ sys/netinet/sctp_pcb.c
@@ -1546,10 +1546,6 @@
struct sctp_tcb *stcb;
uint32_t id;
- if (inp == NULL) {
- SCTP_PRINTF("TSNH ep_associd\n");
- return (NULL);
- }
if (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) {
SCTP_PRINTF("TSNH ep_associd0\n");
return (NULL);
@@ -4151,12 +4147,11 @@
* careful to add all additional addresses once they are know right away or
* else the assoc will be may experience a blackout scenario.
*/
-struct sctp_tcb *
-sctp_aloc_assoc(struct sctp_inpcb *inp, struct sockaddr *firstaddr,
+static struct sctp_tcb *
+sctp_aloc_assoc_locked(struct sctp_inpcb *inp, struct sockaddr *firstaddr,
int *error, uint32_t override_tag, uint32_t initial_tsn,
uint32_t vrf_id, uint16_t o_streams, uint16_t port,
- struct thread *p,
- int initialize_auth_params)
+ struct thread *p, int initialize_auth_params)
{
/* note the p argument is only valid in unbound sockets */
@@ -4166,6 +4161,9 @@
uint16_t rport;
int err;
+ SCTP_INP_INFO_WLOCK_ASSERT();
+ SCTP_INP_WLOCK_ASSERT(inp);
+
/*
* Assumption made here: Caller has done a
* sctp_findassociation_ep_addr(ep, addr's); to make sure the
@@ -4182,7 +4180,11 @@
*error = EINVAL;
return (NULL);
}
- SCTP_INP_RLOCK(inp);
+ if (inp->sctp_flags & (SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_SOCKET_ALLGONE)) {
+ SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EINVAL);
+ *error = EINVAL;
+ return (NULL);
+ }
if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) &&
((sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE)) ||
(inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED))) {
@@ -4192,7 +4194,6 @@
* sctp_aloc_assoc.. or the one-2-many socket. If a peeled
* off, or connected one does this.. its an error.
*/
- SCTP_INP_RUNLOCK(inp);
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EINVAL);
*error = EINVAL;
return (NULL);
@@ -4201,7 +4202,6 @@
(inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE)) {
if ((inp->sctp_flags & SCTP_PCB_FLAGS_WAS_CONNECTED) ||
(inp->sctp_flags & SCTP_PCB_FLAGS_WAS_ABORTED)) {
- SCTP_INP_RUNLOCK(inp);
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EINVAL);
*error = EINVAL;
return (NULL);
@@ -4245,7 +4245,6 @@
(((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) != 0) &&
(SCTP_IPV6_V6ONLY(inp) != 0))) {
/* Invalid address */
- SCTP_INP_RUNLOCK(inp);
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EINVAL);
*error = EINVAL;
return (NULL);
@@ -4265,7 +4264,6 @@
IN6_IS_ADDR_MULTICAST(&sin6->sin6_addr) ||
((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0)) {
/* Invalid address */
- SCTP_INP_RUNLOCK(inp);
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EINVAL);
*error = EINVAL;
return (NULL);
@@ -4276,18 +4274,16 @@
#endif
default:
/* not supported family type */
- SCTP_INP_RUNLOCK(inp);
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EINVAL);
*error = EINVAL;
return (NULL);
}
- SCTP_INP_RUNLOCK(inp);
if (inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) {
/*
* If you have not performed a bind, then we need to do the
* ephemeral bind for you.
*/
- if ((err = sctp_inpcb_bind(inp->sctp_socket, NULL, NULL, p))) {
+ if ((err = sctp_inpcb_bind_locked(inp, NULL, NULL, p))) {
/* bind error, probably perm */
*error = err;
return (NULL);
@@ -4320,21 +4316,6 @@
*error = err;
return (NULL);
}
- /* and the port */
- SCTP_INP_INFO_WLOCK();
- SCTP_INP_WLOCK(inp);
- if (inp->sctp_flags & (SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_SOCKET_ALLGONE)) {
- /* inpcb freed while alloc going on */
- SCTP_TCB_LOCK_DESTROY(stcb);
- SCTP_TCB_SEND_LOCK_DESTROY(stcb);
- SCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_asoc), stcb);
- SCTP_INP_WUNLOCK(inp);
- SCTP_INP_INFO_WUNLOCK();
- SCTP_DECR_ASOC_COUNT();
- SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EINVAL);
- *error = EINVAL;
- return (NULL);
- }
SCTP_TCB_LOCK(stcb);
asoc->assoc_id = sctp_aloc_a_assoc_id(inp, stcb);
@@ -4342,7 +4323,6 @@
head = &SCTP_BASE_INFO(sctp_asochash)[SCTP_PCBHASH_ASOC(stcb->asoc.my_vtag, SCTP_BASE_INFO(hashasocmark))];
/* put it in the bucket in the vtag hash of assoc's for the system */
LIST_INSERT_HEAD(head, stcb, sctp_asocs);
- SCTP_INP_INFO_WUNLOCK();
if (sctp_add_remote_addr(stcb, firstaddr, NULL, port, SCTP_DO_SETSCOPE, SCTP_ALLOC_ASOC)) {
/* failure.. memory error? */
@@ -4362,6 +4342,7 @@
SCTP_TCB_UNLOCK(stcb);
SCTP_TCB_LOCK_DESTROY(stcb);
SCTP_TCB_SEND_LOCK_DESTROY(stcb);
+ LIST_REMOVE(stcb, sctp_asocs);
LIST_REMOVE(stcb, sctp_tcbasocidhash);
SCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_asoc), stcb);
SCTP_INP_WUNLOCK(inp);
@@ -4387,11 +4368,55 @@
if (initialize_auth_params == SCTP_INITIALIZE_AUTH_PARAMS) {
sctp_initialize_auth_params(inp, stcb);
}
- SCTP_INP_WUNLOCK(inp);
SCTPDBG(SCTP_DEBUG_PCB1, "Association %p now allocated\n", (void *)stcb);
return (stcb);
}
+struct sctp_tcb *
+sctp_aloc_assoc(struct sctp_inpcb *inp, struct sockaddr *firstaddr,
+ int *error, uint32_t override_tag, uint32_t initial_tsn,
+ uint32_t vrf_id, uint16_t o_streams, uint16_t port,
+ struct thread *p, int initialize_auth_params)
+{
+ struct sctp_tcb *stcb;
+
+ SCTP_INP_INFO_WLOCK();
+ SCTP_INP_WLOCK(inp);
+ stcb = sctp_aloc_assoc_locked(inp, firstaddr, error, override_tag,
+ initial_tsn, vrf_id, o_streams, port, p, initialize_auth_params);
+ SCTP_INP_INFO_WUNLOCK();
+ SCTP_INP_WUNLOCK(inp);
+ return (stcb);
+}
+
+struct sctp_tcb *
+sctp_aloc_assoc_connected(struct sctp_inpcb *inp, struct sockaddr *firstaddr,
+ int *error, uint32_t override_tag, uint32_t initial_tsn,
+ uint32_t vrf_id, uint16_t o_streams, uint16_t port,
+ struct thread *p, int initialize_auth_params)
+{
+ struct sctp_tcb *stcb;
+
+ SCTP_INP_INFO_WLOCK();
+ SCTP_INP_WLOCK(inp);
+ if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) &&
+ SCTP_IS_LISTENING(inp)) {
+ SCTP_INP_INFO_WUNLOCK();
+ SCTP_INP_WUNLOCK(inp);
+ *error = EINVAL;
+ return (NULL);
+ }
+ stcb = sctp_aloc_assoc_locked(inp, firstaddr, error, override_tag,
+ initial_tsn, vrf_id, o_streams, port, p, initialize_auth_params);
+ SCTP_INP_INFO_WUNLOCK();
+ if (stcb != NULL && (inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE)) {
+ inp->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED;
+ soisconnecting(inp->sctp_socket);
+ }
+ SCTP_INP_WUNLOCK(inp);
+ return (stcb);
+}
+
void
sctp_remove_net(struct sctp_tcb *stcb, struct sctp_nets *net)
{
@@ -4505,7 +4530,7 @@
struct sctp_tagblock *twait_block;
int i;
- SCTP_INP_INFO_RLOCK_ASSERT();
+ SCTP_INP_INFO_LOCK_ASSERT();
chain = &SCTP_BASE_INFO(vtag_timewait)[(tag % SCTP_STACK_VTAG_HASH_SIZE)];
LIST_FOREACH(twait_block, chain, sctp_nxt_tagblock) {
for (i = 0; i < SCTP_NUMBER_IN_VTAG_BLOCK; i++) {
@@ -6672,7 +6697,8 @@
struct sctp_tcb *stcb;
bool result;
- SCTP_INP_INFO_RLOCK();
+ SCTP_INP_INFO_LOCK_ASSERT();
+
head = &SCTP_BASE_INFO(sctp_asochash)[SCTP_PCBHASH_ASOC(tag, SCTP_BASE_INFO(hashasocmark))];
LIST_FOREACH(stcb, head, sctp_asocs) {
/*
@@ -6699,7 +6725,6 @@
}
result = !sctp_is_in_timewait(tag, lport, rport, (uint32_t)now->tv_sec);
out:
- SCTP_INP_INFO_RUNLOCK();
return (result);
}
Index: sys/netinet/sctp_usrreq.c
===================================================================
--- sys/netinet/sctp_usrreq.c
+++ sys/netinet/sctp_usrreq.c
@@ -1412,7 +1412,7 @@
vrf_id = inp->def_vrf_id;
/* We are GOOD to go */
- stcb = sctp_aloc_assoc(inp, sa, &error, 0, 0, vrf_id,
+ stcb = sctp_aloc_assoc_connected(inp, sa, &error, 0, 0, vrf_id,
inp->sctp_ep.pre_open_stream_count,
inp->sctp_ep.port,
(struct thread *)p,
@@ -1421,11 +1421,6 @@
/* Gak! no memory */
goto out_now;
}
- if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) {
- stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED;
- /* Set the connected flag so we can queue data */
- soisconnecting(so);
- }
SCTP_SET_STATE(stcb, SCTP_STATE_COOKIE_WAIT);
/* move to second address */
switch (sa->sa_family) {
@@ -7061,7 +7056,7 @@
vrf_id = inp->def_vrf_id;
/* We are GOOD to go */
- stcb = sctp_aloc_assoc(inp, addr, &error, 0, 0, vrf_id,
+ stcb = sctp_aloc_assoc_connected(inp, addr, &error, 0, 0, vrf_id,
inp->sctp_ep.pre_open_stream_count,
inp->sctp_ep.port, p,
SCTP_INITIALIZE_AUTH_PARAMS);
@@ -7069,11 +7064,6 @@
/* Gak! no memory */
goto out_now;
}
- if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) {
- stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED;
- /* Set the connected flag so we can queue data */
- soisconnecting(so);
- }
SCTP_SET_STATE(stcb, SCTP_STATE_COOKIE_WAIT);
(void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered);
Index: sys/netinet6/sctp6_usrreq.c
===================================================================
--- sys/netinet6/sctp6_usrreq.c
+++ sys/netinet6/sctp6_usrreq.c
@@ -945,7 +945,7 @@
return (EALREADY);
}
/* We are GOOD to go */
- stcb = sctp_aloc_assoc(inp, addr, &error, 0, 0, vrf_id,
+ stcb = sctp_aloc_assoc_connected(inp, addr, &error, 0, 0, vrf_id,
inp->sctp_ep.pre_open_stream_count,
inp->sctp_ep.port, p,
SCTP_INITIALIZE_AUTH_PARAMS);
@@ -954,11 +954,6 @@
/* Gak! no memory */
return (error);
}
- if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) {
- stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED;
- /* Set the connected flag so we can queue data */
- soisconnecting(so);
- }
SCTP_SET_STATE(stcb, SCTP_STATE_COOKIE_WAIT);
(void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered);
NET_EPOCH_ENTER(et);

File Metadata

Mime Type
text/plain
Expires
Tue, Oct 14, 1:20 AM (6 h, 19 m)
Storage Engine
blob
Storage Format
Raw Data
Storage Handle
23700350
Default Alt Text
D31908.diff (12 KB)

Event Timeline