@@ -62,6 +62,113 @@
static void rc_timeout(unsigned long arg);
+/**
+ * hfi1_add_retry_timer - add/start a retry timer
+ * @qp - the QP
+ *
+ * add a retry timer on the QP
+ */
+static inline void hfi1_add_retry_timer(struct rvt_qp *qp)
+{
+ qp->s_flags |= RVT_S_TIMER;
+ qp->s_timer.function = rc_timeout;
+ /* 4.096 usec. * (1 << qp->timeout) */
+ qp->s_timer.expires = jiffies + qp->timeout_jiffies;
+ add_timer(&qp->s_timer);
+}
+
+/**
+ * hfi1_add_rnr_timer - add/start an rnr timer
+ * @qp - the QP
+ * @to - timeout in usecs
+ *
+ * add an rnr timer on the QP
+ */
+static inline void hfi1_add_rnr_timer(struct rvt_qp *qp, u32 to)
+{
+ qp->s_flags |= RVT_S_WAIT_RNR;
+ qp->s_timer.function = hfi1_rc_rnr_retry;
+ qp->s_timer.expires = jiffies + usecs_to_jiffies(to);
+ add_timer(&qp->s_timer);
+}
+
+/**
+ * hfi1_mod_retry_timer - mod a retry timer
+ * @qp - the QP
+ *
+ * Modify a potentially already running retry
+ * timer
+ */
+static inline void hfi1_mod_retry_timer(struct rvt_qp *qp)
+{
+ qp->s_flags |= RVT_S_TIMER;
+ qp->s_timer.function = rc_timeout;
+ /* 4.096 usec. * (1 << qp->timeout) */
+ mod_timer(&qp->s_timer, jiffies + qp->timeout_jiffies);
+}
+
+/**
+ * hfi1_stop_retry_timer - stop a retry timer
+ * @qp - the QP
+ *
+ * stop a retry timer and return if the timer
+ * had been pending.
+ */
+static inline int hfi1_stop_retry_timer(struct rvt_qp *qp)
+{
+ int rval = 0;
+
+ /* Remove QP from retry */
+ if (qp->s_flags & RVT_S_TIMER) {
+ qp->s_flags &= ~RVT_S_TIMER;
+ rval = del_timer(&qp->s_timer);
+ }
+ return rval;
+}
+
+/**
+ * hfi1_stop_rc_timers - stop all timers
+ * @qp - the QP
+ *
+ * stop any pending timers
+ */
+static inline void hfi1_stop_rc_timers(struct rvt_qp *qp)
+{
+ /* Remove QP from all timers */
+ if (qp->s_flags & (RVT_S_TIMER | RVT_S_WAIT_RNR)) {
+ qp->s_flags &= ~(RVT_S_TIMER | RVT_S_WAIT_RNR);
+ del_timer(&qp->s_timer);
+ }
+}
+
+/**
+ * hfi1_stop_rnr_timer - stop an rnr timer
+ * @qp - the QP
+ *
+ * stop an rnr timer and return if the timer
+ * had been pending.
+ */
+static inline int hfi1_stop_rnr_timer(struct rvt_qp *qp)
+{
+ int rval = 0;
+
+ /* Remove QP from rnr timer */
+ if (qp->s_flags & RVT_S_WAIT_RNR) {
+ qp->s_flags &= ~RVT_S_WAIT_RNR;
+ rval = del_timer(&qp->s_timer);
+ }
+ return rval;
+}
+
+/**
+ * hfi1_del_timers_sync - wait for any timeout routines to exit
+ * @qp - the QP
+ */
+static inline void hfi1_del_timers_sync(struct rvt_qp *qp)
+{
+ del_timer_sync(&qp->s_timer);
+}
+
static u32 restart_sge(struct rvt_sge_state *ss, struct rvt_swqe *wqe,
u32 psn, u32 pmtu)
{