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Add SCTP_DEFAULT_PRINFO socket option.

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Fix the SCTP_DEFAULT_SNDINFO socket option: Don't clear the
PR SCTP policy when setting sinfo_flags.

MFC after: 1 month.
This commit is contained in:
Michael Tuexen 2011-06-16 21:12:36 +00:00
parent 090f90cf61
commit 6037f89c81
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=223162
3 changed files with 81 additions and 0 deletions
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1
sys/netinet/sctp.h
View File

@ -118,6 +118,7 @@ struct sctp_paramhdr {
#define SCTP_RECVRCVINFO 0x0000001f
#define SCTP_RECVNXTINFO 0x00000020
#define SCTP_DEFAULT_SNDINFO 0x00000021
#define SCTP_DEFAULT_PRINFO 0x00000022
/*
* read-only options

6
sys/netinet/sctp_uio.h
View File

@ -162,6 +162,12 @@ struct sctp_prinfo {
uint32_t pr_value;
};
struct sctp_default_prinfo {
uint16_t pr_policy;
uint32_t pr_value;
sctp_assoc_t pr_assoc_id;
};
struct sctp_authinfo {
uint16_t auth_keyid;
};

74
sys/netinet/sctp_usrreq.c
View File

@ -3030,6 +3030,7 @@ sctp_getopt(struct socket *so, int optname, void *optval, size_t *optsize,
if (stcb) {
info->snd_sid = stcb->asoc.def_send.sinfo_stream;
info->snd_flags = stcb->asoc.def_send.sinfo_flags;
info->snd_flags &= 0xfff0;
info->snd_ppid = stcb->asoc.def_send.sinfo_ppid;
info->snd_context = stcb->asoc.def_send.sinfo_context;
SCTP_TCB_UNLOCK(stcb);
@ -3038,6 +3039,7 @@ sctp_getopt(struct socket *so, int optname, void *optval, size_t *optsize,
SCTP_INP_RLOCK(inp);
info->snd_sid = inp->def_send.sinfo_stream;
info->snd_flags = inp->def_send.sinfo_flags;
info->snd_flags &= 0xfff0;
info->snd_ppid = inp->def_send.sinfo_ppid;
info->snd_context = inp->def_send.sinfo_context;
SCTP_INP_RUNLOCK(inp);
@ -3051,6 +3053,33 @@ sctp_getopt(struct socket *so, int optname, void *optval, size_t *optsize,
}
break;
}
case SCTP_DEFAULT_PRINFO:
{
struct sctp_default_prinfo *info;
SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, *optsize);
SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id);
if (stcb) {
info->pr_policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags);
info->pr_value = stcb->asoc.def_send.sinfo_timetolive;
SCTP_TCB_UNLOCK(stcb);
} else {
if (info->pr_assoc_id == SCTP_FUTURE_ASSOC) {
SCTP_INP_RLOCK(inp);
info->pr_policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags);
info->pr_value = inp->def_send.sinfo_timetolive;
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_default_prinfo);
}
break;
}
default:
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT);
error = ENOPROTOOPT;
@ -5043,6 +5072,7 @@ sctp_setopt(struct socket *so, int optname, void *optval, size_t optsize,
case SCTP_DEFAULT_SNDINFO:
{
struct sctp_sndinfo *info;
uint16_t policy;
SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, optsize);
SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id);
@ -5050,7 +5080,9 @@ sctp_setopt(struct socket *so, int optname, void *optval, size_t optsize,
if (stcb) {
if (info->snd_sid < stcb->asoc.streamoutcnt) {
stcb->asoc.def_send.sinfo_stream = info->snd_sid;
policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags);
stcb->asoc.def_send.sinfo_flags = info->snd_flags;
stcb->asoc.def_send.sinfo_flags |= policy;
stcb->asoc.def_send.sinfo_ppid = info->snd_ppid;
stcb->asoc.def_send.sinfo_context = info->snd_context;
} else {
@ -5063,7 +5095,9 @@ sctp_setopt(struct socket *so, int optname, void *optval, size_t optsize,
(info->snd_assoc_id == SCTP_ALL_ASSOC)) {
SCTP_INP_WLOCK(inp);
inp->def_send.sinfo_stream = info->snd_sid;
policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags);
inp->def_send.sinfo_flags = info->snd_flags;
inp->def_send.sinfo_flags |= policy;
inp->def_send.sinfo_ppid = info->snd_ppid;
inp->def_send.sinfo_context = info->snd_context;
SCTP_INP_WUNLOCK(inp);
@ -5075,7 +5109,9 @@ sctp_setopt(struct socket *so, int optname, void *optval, size_t optsize,
SCTP_TCB_LOCK(stcb);
if (info->snd_sid < stcb->asoc.streamoutcnt) {
stcb->asoc.def_send.sinfo_stream = info->snd_sid;
policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags);
stcb->asoc.def_send.sinfo_flags = info->snd_flags;
stcb->asoc.def_send.sinfo_flags |= policy;
stcb->asoc.def_send.sinfo_ppid = info->snd_ppid;
stcb->asoc.def_send.sinfo_context = info->snd_context;
}
@ -5086,6 +5122,44 @@ sctp_setopt(struct socket *so, int optname, void *optval, size_t optsize,
}
break;
}
case SCTP_DEFAULT_PRINFO:
{
struct sctp_default_prinfo *info;
SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, optsize);
SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id);
if (PR_SCTP_INVALID_POLICY(info->pr_policy)) {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
break;
}
if (stcb) {
stcb->asoc.def_send.sinfo_flags &= 0xfff0;
stcb->asoc.def_send.sinfo_flags |= info->pr_policy;
SCTP_TCB_UNLOCK(stcb);
} else {
if ((info->pr_assoc_id == SCTP_FUTURE_ASSOC) ||
(info->pr_assoc_id == SCTP_ALL_ASSOC)) {
SCTP_INP_WLOCK(inp);
inp->def_send.sinfo_flags &= 0xfff0;
inp->def_send.sinfo_flags |= info->pr_policy;
SCTP_INP_WUNLOCK(inp);
}
if ((info->pr_assoc_id == SCTP_CURRENT_ASSOC) ||
(info->pr_assoc_id == SCTP_ALL_ASSOC)) {
SCTP_INP_RLOCK(inp);
LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
SCTP_TCB_LOCK(stcb);
stcb->asoc.def_send.sinfo_flags &= 0xfff0;
stcb->asoc.def_send.sinfo_flags |= info->pr_policy;
SCTP_TCB_UNLOCK(stcb);
}
SCTP_INP_RUNLOCK(inp);
}
}
break;
}
default:
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT);
error = ENOPROTOOPT;