OK. I'll make the changes you suggested and resubmit the patch. Thanks!
I'll drop the change to netdevice.h and the check for
dev_hard_header's return value. If there's still a need for something
similar to these, we can do them in a separate patch.
On Thu, Sep 10, 2020 at 7:44 AM Xie He wrote:
>
> The difference between hard_header_len and needed_headroom has long been
> confusing to driver developers. Let's clarify it.
>
> The understanding on this issue in this patch is based on the following
> reasons:
>
> 1.
>
> In af_packet.c, the
The difference between hard_header_len and needed_headroom has long been
confusing to driver developers. Let's clarify it.
The understanding on this issue in this patch is based on the following
reasons:
1.
In af_packet.c, the function packet_snd first reserves a headroom of
length
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