• Michael Chan's avatar
    bnxt_en: Fix implementation of tx push operation. · 4419dbe6
    Michael Chan authored
    
    
    tx push is supported for small packets to reduce DMA latency.  The
    following bugs are fixed in this patch:
    
    1. Fix the definition of the push BD which is different from the DMA BD.
    2. The push buffer has to be zero padded to the next 64-bit word boundary
    or tx checksum won't be correct.
    3. Increase the tx push packet threshold to 164 bytes (192 bytes with the BD)
    so that small tunneled packets are within the threshold.
    Signed-off-by: default avatarMichael Chan <mchan@broadcom.com>
    Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
    4419dbe6