RE: non-linear skb's

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



--- Dheeraj Pandey <dheeraj@Zambeel.com> wrote:
> > I guess the question is: Is is it possible that the Ethernet driver
> > and/or IP layer give you non-linear skbuffs. if yes, then I better
> > be linearizing them before analyzing the pkt data. right?
> 
> Zero-copy TX codepath can give you non-linear skb's, and its nice to
> handle them as non-linear skb's, so that zero-copy will stay as 
> zero-copy all the way upto the driver. Although I am sure there are 
> numerous NETFILTER hooks out there that will linearize it, if not 
> your module.

My question was for the RX codepath! 

i.e. Will the ethernet driver or IP layer ever give its upper layers
a non-linear skb?

Thanks,
-A

> 
> Take your pick
> Dheeraj


__________________________________________________
Do you Yahoo!?
Yahoo! Mail Plus – Powerful. Affordable. Sign up now.
http://mailplus.yahoo.com
-
: send the line "unsubscribe linux-net" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html

[Index of Archives]     [Netdev]     [Ethernet Bridging]     [Linux 802.1Q VLAN]     [Linux Wireless]     [Kernel Newbies]     [Security]     [Linux for Hams]     [Netfilter]     [Git]     [Bugtraq]     [Yosemite News and Information]     [MIPS Linux]     [ARM Linux]     [Linux RAID]     [Linux PCI]     [Linux Admin]     [Samba]

  Powered by Linux