What's the correct way to process all the payload of a sk_buff packet in Linux

What's the correct way to process all the payload of a sk_buff packet in
Linux

References

Reference NO 1

http://stackoverflow.com/questions/13588639/whats-the-correct-way-to-process-all-the-payload-of-a-sk-buff-packet-in-linux

Reference NO 2

http://stackoverflow.com/questions/1136768/tutorial-for-creation-of-packet-in-linux-kernel

Reference NO 3

http://www.6test.edu.cn/~lujx/linux_networking/0131777203_ch04lev1sec1.html

Reference NO 4

http://people.cs.clemson.edu/~westall/853/notes/skbuff.pdf

Reference NO 5

http://www.cs.unh.edu/cnrg/people/gherrin/linux-net.html

Reference NO 6

http://vger.kernel.org/~davem/skb.html

Reference NO 7

http://www.tldp.org/LDP/khg/HyperNews/get/net/net-intro.html

Reference NO 8

http://www.cs.fsu.edu/~baker/devices/lxr/http/source/linux/drivers/net/sfc/selftest.c