• Herbert Xu's avatar
    [NET]: Detect hardware rx checksum faults correctly · fb286bb2
    Herbert Xu authored
    
    
    Here is the patch that introduces the generic skb_checksum_complete
    which also checks for hardware RX checksum faults.  If that happens,
    it'll call netdev_rx_csum_fault which currently prints out a stack
    trace with the device name.  In future it can turn off RX checksum.
    
    I've converted every spot under net/ that does RX checksum checks to
    use skb_checksum_complete or __skb_checksum_complete with the
    exceptions of:
    
    * Those places where checksums are done bit by bit.  These will call
    netdev_rx_csum_fault directly.
    
    * The following have not been completely checked/converted:
    
    ipmr
    ip_vs
    netfilter
    dccp
    
    This patch is based on patches and suggestions from Stephen Hemminger
    and David S. Miller.
    Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
    Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
    fb286bb2