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From: Eric Dumazet <eric.dumazet@gmail.com>
To: Francesco Fusco <ffusco@redhat.com>
Cc: davem@davemloft.net, netdev@vger.kernel.org
Subject: Re: [PATCH net-next 2/2] ipv4: processing ancillary IP_TOS or IP_TTL
Date: Thu, 15 Aug 2013 21:35:05 -0700	[thread overview]
Message-ID: <1376627705.4648.5.camel@edumazet-glaptop> (raw)
In-Reply-To: <d54a214ad9301352128f2b3300c0eaf91cc6e12e.1376494032.git.ffusco@redhat.com>

On Wed, 2013-08-14 at 17:48 +0200, Francesco Fusco wrote:

> @@ -1511,6 +1517,11 @@ void ip_send_unicast_reply(struct net *net, struct sk_buff *skb, __be32 daddr,
>  	inet = &get_cpu_var(unicast_sock);
>  
>  	inet->tos = arg->tos;
> +
> +	ipc.tos = ip_hdr(skb)->tos;

Why both inet->tos and ipc.tos must be set ?

This is very confusing, as if you were not 100% sure of your patch.


> +	ipc.ttl = inet->uc_ttl;

	ipc.ttl = -1;

> +	ipc.priority = skb->priority;
> +
>  	sk = &inet->sk;
>  	sk->sk_priority = skb->priority;

Why both sk->sk_priority and ipc.priority must be set ?

>  	sk->sk_protocol = ip_hdr(skb)->protocol;

      parent reply	other threads:[~2013-08-16  4:35 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-08-14 15:48 [PATCH net-next 0/2] ipv4: per-datagram IP_TOS and IP_TTL via sendmsg() Francesco Fusco
2013-08-14 15:48 ` [PATCH net-next 1/2] ipv4: IP_TOS and IP_TTL can be specified as ancillary data Francesco Fusco
2013-08-15 20:51   ` David Miller
2013-08-14 15:48 ` [PATCH net-next 2/2] ipv4: processing ancillary IP_TOS or IP_TTL Francesco Fusco
2013-08-16  4:26   ` Eric Dumazet
2013-08-16  4:35   ` Eric Dumazet [this message]

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