From: linux lover <linux_lover2004@yahoo.com>
To: linux-kernel@vger.kernel.org
Cc: linux-net@vger.kernel.org
Subject: Some kernel source questions...
Date: Wed, 26 Jan 2005 00:14:30 -0800 (PST) [thread overview]
Message-ID: <20050126081431.39354.qmail@web52201.mail.yahoo.com> (raw)
Hello,
I have some questions...
1)When data is copied to ICMP/UDP packets?
when i trace kernel code in 2.4.26 kernel version is
that in case of ICMP and UDP packets the packet gets
its space allocated in ip_build_xmit function and then
ip header is built.
2) What getfrag does? Does it copies actual data in
packet?
3)Also can anybody explain me function
int ip_build_xmit(struct sock *sk,int getfrag (const
void *,char *,unsigned int, unsigned int),const void
*frag,
unsigned length,
struct ipcm_cookie *ipc,
struct rtable *rt,
int flags)
and its parameter usage???
regards,
linux_lover
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reply other threads:[~2005-01-26 8:14 UTC|newest]
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