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authorYOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>2005-09-08 10:19:03 +0900
committerYOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>2005-09-08 10:19:03 +0900
commit41a1f8ea4fbfcdc4232f023732584aae2220de31 (patch)
tree9939686b354ced0b22d81efcbc12f5ed90372b09 /net/ipv6/udp.c
parent333fad5364d6b457c8d837f7d05802d2aaf8a961 (diff)
[IPV6]: Support IPV6_{RECV,}TCLASS socket options / ancillary data.
Based on patch from David L Stevens <dlstevens@us.ibm.com> Signed-off-by: David L Stevens <dlstevens@us.ibm.com> Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Diffstat (limited to 'net/ipv6/udp.c')
-rw-r--r--net/ipv6/udp.c16
1 files changed, 12 insertions, 4 deletions
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index aa6eaf3f18a..dbd18a9d166 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -637,6 +637,7 @@ static int udpv6_sendmsg(struct kiocb *iocb, struct sock *sk,
int addr_len = msg->msg_namelen;
int ulen = len;
int hlimit = -1;
+ int tclass = -1;
int corkreq = up->corkflag || msg->msg_flags&MSG_MORE;
int err;
@@ -758,7 +759,7 @@ do_udp_sendmsg:
memset(opt, 0, sizeof(struct ipv6_txoptions));
opt->tot_len = sizeof(*opt);
- err = datagram_send_ctl(msg, fl, opt, &hlimit);
+ err = datagram_send_ctl(msg, fl, opt, &hlimit, &tclass);
if (err < 0) {
fl6_sock_release(flowlabel);
return err;
@@ -814,6 +815,12 @@ do_udp_sendmsg:
hlimit = ipv6_get_hoplimit(dst->dev);
}
+ if (tclass < 0) {
+ tclass = np->tclass;
+ if (tclass < 0)
+ tclass = 0;
+ }
+
if (msg->msg_flags&MSG_CONFIRM)
goto do_confirm;
back_from_confirm:
@@ -833,9 +840,10 @@ back_from_confirm:
do_append_data:
up->len += ulen;
- err = ip6_append_data(sk, ip_generic_getfrag, msg->msg_iov, ulen, sizeof(struct udphdr),
- hlimit, opt, fl, (struct rt6_info*)dst,
- corkreq ? msg->msg_flags|MSG_MORE : msg->msg_flags);
+ err = ip6_append_data(sk, ip_generic_getfrag, msg->msg_iov, ulen,
+ sizeof(struct udphdr), hlimit, tclass, opt, fl,
+ (struct rt6_info*)dst,
+ corkreq ? msg->msg_flags|MSG_MORE : msg->msg_flags);
if (err)
udp_v6_flush_pending_frames(sk);
else if (!corkreq)