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Add support for the SCTP_ENABLE_STREAM_RESET socket option to

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getsockopt(). This improves the support of RFC 6525.

MFC after: 3 days
This commit is contained in:
Michael Tuexen 2012-05-04 17:18:02 +00:00
parent 52d5baa245
commit cdedb5425c
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=235021
1 changed files with 30 additions and 5 deletions
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35
sys/netinet/sctp_usrreq.c
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@ -3296,6 +3296,33 @@ sctp_getopt(struct socket *so, int optname, void *optval, size_t *optsize,
}
break;
}
case SCTP_ENABLE_STREAM_RESET:
{
struct sctp_assoc_value *av;
SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
SCTP_FIND_STCB(inp, stcb, av->assoc_id);
if (stcb) {
av->assoc_value = (uint32_t) stcb->asoc.local_strreset_support;
SCTP_TCB_UNLOCK(stcb);
} else {
if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
(inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
(av->assoc_id == SCTP_FUTURE_ASSOC)) {
SCTP_INP_RLOCK(inp);
av->assoc_value = (uint32_t) inp->local_strreset_support;
SCTP_INP_RUNLOCK(inp);
} else {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
}
}
if (error == 0) {
*optsize = sizeof(struct sctp_assoc_value);
}
break;
}
default:
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT);
error = ENOPROTOOPT;
@ -4096,7 +4123,6 @@ sctp_setopt(struct socket *so, int optname, void *optval, size_t optsize,
case SCTP_ENABLE_STREAM_RESET:
{
struct sctp_assoc_value *av;
uint8_t set_value = 0;
SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
if (av->assoc_value & (~SCTP_ENABLE_VALUE_MASK)) {
@ -4104,10 +4130,9 @@ sctp_setopt(struct socket *so, int optname, void *optval, size_t optsize,
error = EINVAL;
break;
}
set_value = av->assoc_value & SCTP_ENABLE_VALUE_MASK;
SCTP_FIND_STCB(inp, stcb, av->assoc_id);
if (stcb) {
stcb->asoc.local_strreset_support = set_value;
stcb->asoc.local_strreset_support = (uint8_t) av->assoc_value;
SCTP_TCB_UNLOCK(stcb);
} else {
if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
@ -4115,7 +4140,7 @@ sctp_setopt(struct socket *so, int optname, void *optval, size_t optsize,
(av->assoc_id == SCTP_FUTURE_ASSOC) ||
(av->assoc_id == SCTP_ALL_ASSOC)) {
SCTP_INP_WLOCK(inp);
inp->local_strreset_support = set_value;
inp->local_strreset_support = (uint8_t) av->assoc_value;
SCTP_INP_WUNLOCK(inp);
}
if ((av->assoc_id == SCTP_CURRENT_ASSOC) ||
@ -4123,7 +4148,7 @@ sctp_setopt(struct socket *so, int optname, void *optval, size_t optsize,
SCTP_INP_RLOCK(inp);
LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
SCTP_TCB_LOCK(stcb);
stcb->asoc.local_strreset_support = set_value;
stcb->asoc.local_strreset_support = (uint8_t) av->assoc_value;
SCTP_TCB_UNLOCK(stcb);
}
SCTP_INP_RUNLOCK(inp);