kfree_skb(skb);
}
+static void ip6_datagram_prepare_pktinfo_errqueue(struct sk_buff *skb)
+{
+ int ifindex = skb->dev ? skb->dev->ifindex : -1;
+
+ if (skb->protocol == htons(ETH_P_IPV6))
+ IP6CB(skb)->iif = ifindex;
+ else
+ PKTINFO_SKB_CB(skb)->ipi_ifindex = ifindex;
+}
+
/*
* Handle MSG_ERRQUEUE
*/
msg->msg_flags |= MSG_TRUNC;
copied = len;
}
- err = skb_copy_datagram_iovec(skb, 0, msg->msg_iov, copied);
+ err = skb_copy_datagram_msg(skb, 0, msg, copied);
if (err)
goto out_free_skb;
sin->sin6_family = AF_INET6;
sin->sin6_flowinfo = 0;
sin->sin6_port = 0;
- if (np->rxopt.all)
+ if (np->rxopt.all) {
+ if (serr->ee.ee_origin != SO_EE_ORIGIN_ICMP &&
+ serr->ee.ee_origin != SO_EE_ORIGIN_ICMP6)
+ ip6_datagram_prepare_pktinfo_errqueue(skb);
ip6_datagram_recv_common_ctl(sk, msg, skb);
+ }
if (skb->protocol == htons(ETH_P_IPV6)) {
sin->sin6_addr = ipv6_hdr(skb)->saddr;
if (np->rxopt.all)
msg->msg_flags |= MSG_TRUNC;
copied = len;
}
- err = skb_copy_datagram_iovec(skb, 0, msg->msg_iov, copied);
+ err = skb_copy_datagram_msg(skb, 0, msg, copied);
if (err)
goto out_free_skb;
ipv6_addr_set_v4mapped(ip_hdr(skb)->daddr,
&src_info.ipi6_addr);
}
- put_cmsg(msg, SOL_IPV6, IPV6_PKTINFO, sizeof(src_info), &src_info);
+
+ if (src_info.ipi6_ifindex >= 0)
+ put_cmsg(msg, SOL_IPV6, IPV6_PKTINFO,
+ sizeof(src_info), &src_info);
}
}
break;
}
default:
- LIMIT_NETDEBUG(KERN_DEBUG "invalid cmsg type: %d\n",
- cmsg->cmsg_type);
+ net_dbg_ratelimited("invalid cmsg type: %d\n",
+ cmsg->cmsg_type);
err = -EINVAL;
goto exit_f;
}