Lines Matching defs:ring_head
490 unsigned long ring_head;
737 " ring_head(%08lx) ring_tail(%08lx)\n",
740 s->ring_head, s->ring_tail);
777 if (WARN_ON(s->ring_head == s->ring_tail))
784 if (s->ring_head > s->ring_tail) {
785 if (s->ip_gma >= s->ring_head && s->ip_gma < ring_top)
786 len = (s->ip_gma - s->ring_head);
789 len = (ring_top - s->ring_head) +
792 len = (s->ip_gma - s->ring_head);
2854 s.ring_head = gma_head;
2901 s.ring_head = gma_head;
3133 s.ring_head = 0;
3185 s.ring_head = gma_start + gma_head;