SPEED_INVALID
tp->link_config.active_speed = SPEED_INVALID;
tp->link_config.active_speed = SPEED_INVALID;
[0] = (SPEED_INVALID << 2) | DUPLEX_INVALID,
[MII_TG3_AUX_STAT_100_4 >> 8] = (SPEED_INVALID << 2) | DUPLEX_INVALID,
lc->requested_speed = lc->speed = SPEED_INVALID;
lc->speed = speed < 0 ? SPEED_INVALID : speed;