netdev - Re: [PATCH rfc 2/4] net-errqueue: add IP(V6)

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Date:	Tue, 25 Nov 2014 13:04:51 -0500
From:	Willem de Bruijn <willemb@...gle.com>
To:	Network Development <netdev@...r.kernel.org>
Cc:	David Miller <davem@...emloft.net>,
	Andy Lutomirski <luto@...capital.net>,
	Richard Cochran <richardcochran@...il.com>,
	Willem de Bruijn <willemb@...gle.com>
Subject: Re: [PATCH rfc 2/4] net-errqueue: add IP(V6)_PKTINFO support

>
> +static void ipv6_recv_error_pktinfo(struct msghdr *msg, struct sock *sk,
> +                                   struct sk_buff *skb)
> +{
> +       struct ipv6_pinfo *np = inet6_sk(sk);
> +
> +       if (np->rxopt.bits.rxinfo && skb->dev) {
> +               struct in6_pktinfo info;
> +
> +               memset(&info, 0, sizeof(info));
> +               if (skb->protocol == htons(ETH_P_IPV6))
> +                       info.ipi6_addr = ipv6_hdr(skb)->daddr;
> +               else
> +                       ipv6_addr_set_v4mapped(ip_hdr(skb)->daddr,
> +                                              &info.ipi6_addr);
> +
> +               info.ipi6_ifindex = skb->dev->ifindex;
> +               net_info_ratelimited("yes: ifindex=%d\n", info.ipi6_ifindex);

forgot to remove this debug message.. removing it from my local copy right away.

> +               put_cmsg(msg, SOL_IPV6, IPV6_PKTINFO, sizeof(info), &info);
> +       }
> +}
> +
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