[Intel-wired-lan] [PATCH net-queue] i40e: Fix incorrect skb reserved size on rx

Toshiaki Makita makita.toshiaki at lab.ntt.co.jp
Thu Jun 14 00:25:00 UTC 2018


On 2018/06/13 18:06, Daniel Borkmann wrote:
> On 06/13/2018 10:08 AM, Toshiaki Makita wrote:
>> i40e_build_skb() reserves I40E_SKB_PAD + (xdp->data -
>> xdp->data_hard_start) but obviously I40E_SKB_PAD is unnecessary here
>> and mac_header/data feilds in skb becomes incorrect, and breaks normal
>> skb receive path as well as XDP receive path.
>>
>> Fixes: cc5b114dcf98 ("bpf, i40e: add meta data support")
>> Signed-off-by: Toshiaki Makita <makita.toshiaki at lab.ntt.co.jp>
> 
> Thanks Toshiaki, I sent a complete fix yesterday here:
> 
> https://lkml.org/lkml/2018/6/12/843

Oh I was not aware of it. Thanks, let's go with your patch.

-- 
Toshiaki Makita



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