mbuf/mbuf cluster adjustments (bcm driver)

Tue Aug 26 00:15:03 PDT 2003

On Mon, 25 Aug 2003, Duncan Barclay wrote:

DB>I then account for this header by doing an m_adj(m, 30) before
DB>if_input(). However, this doesn't seem to work all the time. Looking at
DB>the code for m_adj I don't think it is meant for use with mbuf
DB>clusters. Is there a tidy way of trimming this header off from the mbuf
DB>cluster? I'm going to first try manually copying stuff to confirm that
DB>this is the problem and then try m_pullup followed by m_adj.

m_adj should work on any mbuf whether with a cluster or not given that
you mbuf is setup correctly. Where do you see a dependence on not beeing a
cluster in that code?

harti
-- 
harti brandt,
http://www.fokus.fraunhofer.de/research/cc/cats/employees/hartmut.brandt/private
brandt at fokus.fraunhofer.de, harti at freebsd.org