• Sean Bruno's avatar
    Switch em(4) to the extended RX descriptor format. This matches the · b834dcea
    Sean Bruno authored
    e1000/e1000e split in linux.
    Split rxbuffer and txbuffer apart to support the new RX descriptor format
    structures. Move rxbuffer manipulation to em_setup_rxdesc() to unify the
    new behavior changes.
    Add a RSSKEYLEN macro for help in generating the RSSKEY data structures
    in the card.
    Change em_receive_checksum() to process the new rxdescriptor format
    status bit.
    MFC after:	2 weeks
    Sponsored by:	Limelight Networks
    Differential Revision:	https://reviews.freebsd.org/D3447