return reason;
}
-static void ndisc_recv_rs(struct sk_buff *skb)
+static enum skb_drop_reason ndisc_recv_rs(struct sk_buff *skb)
{
struct rs_msg *rs_msg = (struct rs_msg *)skb_transport_header(skb);
unsigned long ndoptlen = skb->len - sizeof(*rs_msg);
const struct in6_addr *saddr = &ipv6_hdr(skb)->saddr;
struct ndisc_options ndopts;
u8 *lladdr = NULL;
+ SKB_DR(reason);
if (skb->len < sizeof(*rs_msg))
- return;
+ return SKB_DROP_REASON_PKT_TOO_SMALL;
idev = __in6_dev_get(skb->dev);
if (!idev) {
ND_PRINTK(1, err, "RS: can't find in6 device\n");
- return;
+ return reason;
}
/* Don't accept RS if we're not in router mode */
NEIGH_UPDATE_F_OVERRIDE_ISROUTER,
NDISC_ROUTER_SOLICITATION, &ndopts);
neigh_release(neigh);
+ reason = SKB_CONSUMED;
}
out:
- return;
+ return reason;
}
static void ndisc_ra_useropt(struct sk_buff *ra, struct nd_opt_hdr *opt)
break;
case NDISC_ROUTER_SOLICITATION:
- ndisc_recv_rs(skb);
+ reason = ndisc_recv_rs(skb);
break;
case NDISC_ROUTER_ADVERTISEMENT: