Date: Thu, 7 Feb 2008 23:12:00 +0200 From: "Vlad GALU" <dudu@dudu.ro> To: "Biks N" <freebsd.dev@gmail.com> Cc: freebsd-hackers@freebsd.org Subject: Re: retrive data from mbuf chain Message-ID: <ad79ad6b0802071312q2538b3e0i3fb8d8c218ee5cfe@mail.gmail.com> In-Reply-To: <50cd4e5f0802071222w1222d901o3ce8770b5f5725b4@mail.gmail.com> References: <50cd4e5f0802071222w1222d901o3ce8770b5f5725b4@mail.gmail.com>
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On 2/7/08, Biks N <freebsd.dev@gmail.com> wrote: > Hi, > > I am new to FreeBSD kernel programming. > > Currently I am trying to work on mbuf data manupulation. > > >From my understanding: data (payload) is stored into one or more mufs > which are chained together through m_next pointer. > > Now, I need to retrive all data in mbuf chain ( mbufs linked by > m_next). I am working ip_output() in netinet/ip_output.c > > Does there exist inbuilt function/macro to retrive all the data in mbuf chain? I may be wrong on this one, but according to my understanding, a m_pullup() followed by a mtod() should do the trick. > > thanks in advance :) > _______________________________________________ > freebsd-hackers@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-hackers > To unsubscribe, send any mail to "freebsd-hackers-unsubscribe@freebsd.org" > -- Mahnahmahnah!
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