summaryrefslogtreecommitdiffstats
path: root/net
diff options
context:
space:
mode:
authorSowmini Varadhan <sowmini.varadhan@oracle.com>2018-02-15 10:49:34 -0800
committerDavid S. Miller <davem@davemloft.net>2018-02-16 16:04:16 -0500
commit28190752c709272de3c2b6b092029da3f1614c5a (patch)
tree8c7e82c1a1d17cba40eb942f85e21ae75c90ea19 /net
parentea8994cb0118993da179af836cc72a583d75dc4b (diff)
downloadlinux-28190752c709272de3c2b6b092029da3f1614c5a.tar.bz2
sock: permit SO_ZEROCOPY on PF_RDS socket
allow the application to set SO_ZEROCOPY on the underlying sk of a PF_RDS socket Signed-off-by: Sowmini Varadhan <sowmini.varadhan@oracle.com> Acked-by: Willem de Bruijn <willemb@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
-rw-r--r--net/core/sock.c25
1 files changed, 14 insertions, 11 deletions
diff --git a/net/core/sock.c b/net/core/sock.c
index e90d461748f0..a1fa4a548f1b 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -1049,18 +1049,21 @@ set_rcvbuf:
break;
case SO_ZEROCOPY:
- if (sk->sk_family != PF_INET && sk->sk_family != PF_INET6)
+ if (sk->sk_family == PF_INET || sk->sk_family == PF_INET6) {
+ if (sk->sk_protocol != IPPROTO_TCP)
+ ret = -ENOTSUPP;
+ else if (sk->sk_state != TCP_CLOSE)
+ ret = -EBUSY;
+ } else if (sk->sk_family != PF_RDS) {
ret = -ENOTSUPP;
- else if (sk->sk_protocol != IPPROTO_TCP)
- ret = -ENOTSUPP;
- else if (sk->sk_state != TCP_CLOSE)
- ret = -EBUSY;
- else if (val < 0 || val > 1)
- ret = -EINVAL;
- else
- sock_valbool_flag(sk, SOCK_ZEROCOPY, valbool);
- break;
-
+ }
+ if (!ret) {
+ if (val < 0 || val > 1)
+ ret = -EINVAL;
+ else
+ sock_valbool_flag(sk, SOCK_ZEROCOPY, valbool);
+ break;
+ }
default:
ret = -ENOPROTOOPT;
break;