linux-kernel - [PATCH net-2.6.26] [IPV6] Return NET_RX_DROP when a packet is dropped in ipv6

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Message-ID: <eb3ff54b0804140615u3dd4549fie83ae6818c33beba@mail.gmail.com>
Date:	Mon, 14 Apr 2008 16:15:54 +0300
From:	"Rami Rosen" <ramirose@...il.com>
To:	"YOSHIFUJI Hideaki / 吉藤英明" 
	<yoshfuji@...ux-ipv6.org>
Cc:	"David Miller" <davem@...emloft.net>, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH net-2.6.26] [IPV6] Return NET_RX_DROP when a packet is dropped in ipv6_rcv().

Hi,
- The IPv6 handler for receiving packets is ipv6_rcv() in net/ipv6/ip6_input.c.
It is called by netif_receive_skb() (net/core/dev.c)
According to the documentation, the return value of netif_receive_skb() should
be NET_RX_DROP when the packet is dropped; though this return value
is usually not used (except maybe for congestion), this patch fixes the
ipv6_rcv() to return NET_RX_DROP when the packet is dropped (note that
NET_RX_DROP value **is not** 0 but 1; NET_RX_SUCCESS value is in fact	0).


Regards,
Rami Rosen


Signed-off-by: Rami Rosen <ramirose@...il.com>

View attachment "patch.txt" of type "text/plain" (255 bytes)