E1000_COLLISION_DISTANCE
coll_dist = E1000_COLLISION_DISTANCE;
#define E1000_FDX_COLLISION_DISTANCE E1000_COLLISION_DISTANCE
#define E1000_HDX_COLLISION_DISTANCE E1000_COLLISION_DISTANCE
E1000_COLLISION_DISTANCE << E1000_COLD_SHIFT);
tctl |= E1000_COLLISION_DISTANCE << E1000_COLD_SHIFT;
tctl |= E1000_COLLISION_DISTANCE << E1000_COLD_SHIFT;