Dear Richard,
thanks your help
2014-04-11 17:26 GMT+08:00 Richard Cochran <richardcoch...@gmail.com>:
> On Fri, Apr 11, 2014 at 04:07:02PM +0800, Arnold kang wrote:
> > Dear Richard,
> > i get my kernel from my chip vendor， yes, the mac driver is modified
> by
> > them. maybe this is why the kernel crashed. but i really don't understand
> > what* skb_tx_timestamp() *mean. i search in google, there is no answer，
> > and there is no prototype in kernel or other use in kernel code. can you
> > tell me how to add it? thanks...
>
> Regarding skb_tx_timestamp(), the prototype is found in
> include/linux/skbuff.h, and it has been there since v2.6.36.
>
> * skb_tx_timestamp() - Driver hook for transmit timestamping
> *
> * Ethernet MAC Drivers should call this function in their hard_xmit()
> * function immediately before giving the sk_buff to the MAC hardware.
>
> Once you fix your kernel crash, then you will need to add this into
> the MAC driver as well.
>
> The kernel crash has nothing to do with skb_tx_timestamp().
> Unfortunately, I cannot help you with your vendor kernel.
>
> Good luck,
> Richard
>
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