Lines Matching defs:tail
97 int tail;
137 if ((ctrl->rx.tail + 1) % ctrl->rx.n == ctrl->rx.head) {
142 idx = ctrl->rx.tail;
143 ctrl->rx.tail = (ctrl->rx.tail + 1) % ctrl->rx.n;
310 if (((ctrl->tx.head + 1) % ctrl->tx.n) == ctrl->tx.tail) {
315 idx = ctrl->tx.tail;
317 ctrl->tx.tail = (ctrl->tx.tail + 1) % ctrl->tx.n;
426 if (ctrl->rx.tail == ctrl->rx.head) {