Re: [PATCH v2] vrf: make sure skb->data contains ip header to make routing

On 7/19/19 2:11 AM, Peter Kosyh wrote:

vrf_process_v4_outbound() and vrf_process_v6_outbound() do routing
using ip/ipv6 addresses, but don't make sure the header is available
in skb->data[] (skb_headlen() is less then header size).

Case:

1) igb driver from intel.
2) Packet size is greater then 255.
3) MPLS forwards to VRF device.

So, patch adds pskb_may_pull() calls in vrf_process_v4/v6_outbound()
functions.

Signed-off-by: Peter Kosyh <redacted>
---
 drivers/net/vrf.c | 58 +++++++++++++++++++++++++++++++++----------------------
 1 file changed, 35 insertions(+), 23 deletions(-)

Reviewed-by: David Ahern <redacted>