From: Govindarajulu Varadarajan <_govind@gmx.com>
Date: Mon, 23 Jun 2014 10:37:58 +0000 (+0530)
Subject: flow_keys: Record IP layer protocol in skb_flow_dissect()
X-Git-Tag: omap-for-v3.17/fixes-against-rc2~149^2~270^2~7
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e0f31d8498676fda36289603a054d0d490aa2679;p=pandora-kernel.git

flow_keys: Record IP layer protocol in skb_flow_dissect()

skb_flow_dissect() dissects only transport header type in ip_proto. It dose not
give any information about IPv4 or IPv6.

This patch adds new member, n_proto, to struct flow_keys. Which records the
IP layer type. i.e IPv4 or IPv6.

This can be used in netdev->ndo_rx_flow_steer driver function to dissect flow.

Adding new member to flow_keys increases the struct size by around 4 bytes.
This causes BUILD_BUG_ON(sizeof(qcb->data) < sz); to fail in
qdisc_cb_private_validate()

So increase data size by 4

Signed-off-by: Govindarajulu Varadarajan <_govind@gmx.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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