Author: tuexen
Date: Tue Oct 11 13:24:37 2011
New Revision: 226252
URL: http://svn.freebsd.org/changeset/base/226252
Log:
Use the most significant 6 bits of the dscp instead of the least
significant ones.
This has changed in the latest version of the socket API ID and
provides backwards compatibility and gets it in syn with the
usage of the IP_TOS socket option.
MFC after: 3 days.
Modified:
head/sys/netinet/sctp_usrreq.c
Modified: head/sys/netinet/sctp_usrreq.c
==============================================================================
--- head/sys/netinet/sctp_usrreq.c Tue Oct 11 13:22:35 2011
(r226251)
+++ head/sys/netinet/sctp_usrreq.c Tue Oct 11 13:24:37 2011
(r226252)
@@ -2435,7 +2435,7 @@ flags_out:
paddrp->spp_flags |=
SPP_PMTUD_DISABLE;
}
if (net->dscp & 0x01) {
- paddrp->spp_dscp = net->dscp >>
2;
+ paddrp->spp_dscp = net->dscp &
0xfc;
paddrp->spp_flags |= SPP_DSCP;
}
#ifdef INET6
@@ -2453,7 +2453,7 @@ flags_out:
paddrp->spp_pathmaxrxt =
stcb->asoc.def_net_failure;
paddrp->spp_pathmtu =
sctp_get_frag_point(stcb, &stcb->asoc);
if (stcb->asoc.default_dscp & 0x01) {
- paddrp->spp_dscp =
stcb->asoc.default_dscp >> 2;
+ paddrp->spp_dscp =
stcb->asoc.default_dscp & 0xfc;
paddrp->spp_flags |= SPP_DSCP;
}
#ifdef INET6
@@ -2488,7 +2488,7 @@ flags_out:
paddrp->spp_assoc_id =
SCTP_FUTURE_ASSOC;
/* get inp's default */
if (inp->sctp_ep.default_dscp & 0x01) {
- paddrp->spp_dscp =
inp->sctp_ep.default_dscp >> 2;
+ paddrp->spp_dscp =
inp->sctp_ep.default_dscp & 0xfc;
paddrp->spp_flags |= SPP_DSCP;
}
#ifdef INET6
@@ -4691,7 +4691,7 @@ sctp_setopt(struct socket *so, int optna
net->failure_threshold =
paddrp->spp_pathmaxrxt;
}
if (paddrp->spp_flags & SPP_DSCP) {
- net->dscp = paddrp->spp_dscp <<
2;
+ net->dscp = paddrp->spp_dscp &
0xfc;
net->dscp |= 0x01;
}
#ifdef INET6
@@ -4794,10 +4794,10 @@ sctp_setopt(struct socket *so, int optna
}
if (paddrp->spp_flags & SPP_DSCP) {
TAILQ_FOREACH(net,
&stcb->asoc.nets, sctp_next) {
- net->dscp =
paddrp->spp_dscp << 2;
+ net->dscp =
paddrp->spp_dscp & 0xfc;
net->dscp |= 0x01;
}
- stcb->asoc.default_dscp =
paddrp->spp_dscp << 2;
+ stcb->asoc.default_dscp =
paddrp->spp_dscp & 0xfc;
stcb->asoc.default_dscp |= 0x01;
}
#ifdef INET6
@@ -4851,7 +4851,7 @@ sctp_setopt(struct socket *so, int optna
sctp_feature_on(inp,
SCTP_PCB_FLAGS_DO_NOT_PMTUD);
}
if (paddrp->spp_flags & SPP_DSCP) {
- inp->sctp_ep.default_dscp =
paddrp->spp_dscp << 2;
+ inp->sctp_ep.default_dscp =
paddrp->spp_dscp & 0xfc;
inp->sctp_ep.default_dscp |=
0x01;
}
#ifdef INET6
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