R12A_RXCKSUM6_EN
if (!(rs->rs_flags & R12A_RXCKSUM6_EN) ^
rs->rs_flags ^= R12A_RXCKSUM6_EN;
(rs->rs_flags & R12A_RXCKSUM6_EN) :
if (rs->rs_flags & R12A_RXCKSUM6_EN)
rs->rs_flags = R12A_RXCKSUM_EN | R12A_RXCKSUM6_EN;
rs->rs_flags = R12A_RXCKSUM_EN | R12A_RXCKSUM6_EN;