* hard_start_xmit conext
@ 2006-08-15 19:12 kiran kandi
2006-08-16 3:08 ` Herbert Xu
0 siblings, 1 reply; 5+ messages in thread
From: kiran kandi @ 2006-08-15 19:12 UTC (permalink / raw)
To: netdev
Hi all,
In what context hard_start_xmit function is called. Is it called in soft
irq or a processes context.
Also can you call kfree_skb in soft irq context.
--
Thanks
kiran
_________________________________________________________________
On the road to retirement? Check out MSN Life Events for advice on how to
get there! http://lifeevents.msn.com/category.aspx?cid=Retirement
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: hard_start_xmit conext
2006-08-15 19:12 hard_start_xmit conext kiran kandi
@ 2006-08-16 3:08 ` Herbert Xu
2006-08-16 7:36 ` Jeff Garzik
0 siblings, 1 reply; 5+ messages in thread
From: Herbert Xu @ 2006-08-16 3:08 UTC (permalink / raw)
To: kiran kandi; +Cc: netdev
kiran kandi <kkiran78@hotmail.com> wrote:
>
> In what context hard_start_xmit function is called. Is it called in soft
> irq or a processes context.
softirq
> Also can you call kfree_skb in soft irq context.
Yes. Don't do it in hard irq context though.
Cheers,
--
Visit Openswan at http://www.openswan.org/
Email: Herbert Xu ~{PmV>HI~} <herbert@gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: hard_start_xmit conext
2006-08-16 3:08 ` Herbert Xu
@ 2006-08-16 7:36 ` Jeff Garzik
2006-08-16 8:48 ` Ben Greear
0 siblings, 1 reply; 5+ messages in thread
From: Jeff Garzik @ 2006-08-16 7:36 UTC (permalink / raw)
To: Herbert Xu; +Cc: kiran kandi, netdev
Herbert Xu wrote:
> kiran kandi <kkiran78@hotmail.com> wrote:
>> In what context hard_start_xmit function is called. Is it called in soft
>> irq or a processes context.
>
> softirq
>
>> Also can you call kfree_skb in soft irq context.
>
> Yes. Don't do it in hard irq context though.
FWIW there is also Documentation/networking/netdevices.txt where this
sort of stuff is documented.
Jeff
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: hard_start_xmit conext
2006-08-16 7:36 ` Jeff Garzik
@ 2006-08-16 8:48 ` Ben Greear
2006-08-16 10:22 ` Herbert Xu
0 siblings, 1 reply; 5+ messages in thread
From: Ben Greear @ 2006-08-16 8:48 UTC (permalink / raw)
To: Jeff Garzik; +Cc: Herbert Xu, kiran kandi, netdev
Jeff Garzik wrote:
> Herbert Xu wrote:
>
>> kiran kandi <kkiran78@hotmail.com> wrote:
>>
>>> In what context hard_start_xmit function is called. Is it called in
>>> soft irq or a processes context.
>>
>>
>> softirq
It can be process too...doesn't pktgen call it directly?
Ben
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: hard_start_xmit conext
2006-08-16 8:48 ` Ben Greear
@ 2006-08-16 10:22 ` Herbert Xu
0 siblings, 0 replies; 5+ messages in thread
From: Herbert Xu @ 2006-08-16 10:22 UTC (permalink / raw)
To: Ben Greear; +Cc: Jeff Garzik, kiran kandi, netdev
On Wed, Aug 16, 2006 at 01:48:56AM -0700, Ben Greear wrote:
>
> >>softirq
>
> It can be process too...doesn't pktgen call it directly?
Only with BH disabled.
--
Visit Openswan at http://www.openswan.org/
Email: Herbert Xu ~{PmV>HI~} <herbert@gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
^ permalink raw reply [flat|nested] 5+ messages in thread
end of thread, other threads:[~2006-08-16 10:22 UTC | newest]
Thread overview: 5+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2006-08-15 19:12 hard_start_xmit conext kiran kandi
2006-08-16 3:08 ` Herbert Xu
2006-08-16 7:36 ` Jeff Garzik
2006-08-16 8:48 ` Ben Greear
2006-08-16 10:22 ` Herbert Xu
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).