cvs commit: src/sys/net bpf_zerocopy.c

[Robert Watson]

rwatson     2008-03-26 21:29:13 UTC

  FreeBSD src repository

  Modified files:
    sys/net              bpf_zerocopy.c 
  Log:
  Add a comment explaining that we initialize the 'a' buffer for
  zero-copy to the store buffer position on the BPF descriptor,
  and the 'b' buffer as the free buffer in order to fill them in
  the order documented in bpf(4).
  
  MFC after:      4 months
  Suggested by:   csjp
  
  Revision  Changes    Path
  1.3       +5 -0      src/sys/net/bpf_zerocopy.c