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-rw-r--r--net/packet/af_packet.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index d6e94dc7e290..ec3095f13aae 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -3808,6 +3808,20 @@ packet_setsockopt(struct socket *sock, int level, int optname, char __user *optv
return fanout_set_data(po, optval, optlen);
}
+ case PACKET_IGNORE_OUTGOING:
+ {
+ int val;
+
+ if (optlen != sizeof(val))
+ return -EINVAL;
+ if (copy_from_user(&val, optval, sizeof(val)))
+ return -EFAULT;
+ if (val < 0 || val > 1)
+ return -EINVAL;
+
+ po->prot_hook.ignore_outgoing = !!val;
+ return 0;
+ }
case PACKET_TX_HAS_OFF:
{
unsigned int val;
@@ -3931,6 +3945,9 @@ static int packet_getsockopt(struct socket *sock, int level, int optname,
((u32)po->fanout->flags << 24)) :
0);
break;
+ case PACKET_IGNORE_OUTGOING:
+ val = po->prot_hook.ignore_outgoing;
+ break;
case PACKET_ROLLOVER_STATS:
if (!po->rollover)
return -EINVAL;