diff options
| author |   Mike Marciniszyn <mike.marciniszyn@intel.com> | 2016-02-04 10:59:36 -0800 |
|---|---|---|
| committer |   Doug Ledford <dledford@redhat.com> | 2016-03-10 20:38:03 -0500 |
| commit | 08279d5c9424afd710c90d0b6df95612d2bb5a3f (patch) | |
| tree | 6c92f773d77a6570e395cb47b5f98ddbae506f2d /drivers/staging/rdma/hfi1/rc.c | |
| parent | staging/rdma/hfi1: add unique rnr timer (diff) | |
| download | linux-dev-08279d5c9424afd710c90d0b6df95612d2bb5a3f.tar.xz linux-dev-08279d5c9424afd710c90d0b6df95612d2bb5a3f.zip | |
staging/rdma/hfi1: use new RNR timer
Use the new RNR timer for hfi1.
For qib, this timer doesn't exist, so exploit driver
callbacks to use the new timer as appropriate.
Reviewed-by: Jubin John <jubin.john@intel.com>
Signed-off-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/staging/rdma/hfi1/rc.c')
| -rw-r--r-- | drivers/staging/rdma/hfi1/rc.c | 22 |
1 files changed, 13 insertions, 9 deletions
diff --git a/drivers/staging/rdma/hfi1/rc.c b/drivers/staging/rdma/hfi1/rc.c index 1ff19aa41ef4..2c46491746bb 100644 --- a/drivers/staging/rdma/hfi1/rc.c +++ b/drivers/staging/rdma/hfi1/rc.c @@ -60,8 +60,6 @@ /* cut down ridiculously long IB macro names */ #define OP(x) IB_OPCODE_RC_##x -static void rc_timeout(unsigned long arg); - /** * hfi1_add_retry_timer - add/start a retry timer * @qp - the QP @@ -71,7 +69,6 @@ static void rc_timeout(unsigned long arg); 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); @@ -86,10 +83,11 @@ static inline void hfi1_add_retry_timer(struct rvt_qp *qp) */ static inline void hfi1_add_rnr_timer(struct rvt_qp *qp, u32 to) { + struct hfi1_qp_priv *priv = qp->priv; + 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); + add_timer(&priv->s_rnr_timer); } /** @@ -102,7 +100,6 @@ static inline void hfi1_add_rnr_timer(struct rvt_qp *qp, u32 to) 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); } @@ -132,12 +129,15 @@ static inline int hfi1_stop_retry_timer(struct rvt_qp *qp) * * stop any pending timers */ -static inline void hfi1_stop_rc_timers(struct rvt_qp *qp) +void hfi1_stop_rc_timers(struct rvt_qp *qp) { + struct hfi1_qp_priv *priv = qp->priv; + /* 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); + del_timer(&priv->s_rnr_timer); } } @@ -151,11 +151,12 @@ static inline void hfi1_stop_rc_timers(struct rvt_qp *qp) static inline int hfi1_stop_rnr_timer(struct rvt_qp *qp) { int rval = 0; + struct hfi1_qp_priv *priv = qp->priv; /* 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); + rval = del_timer(&priv->s_rnr_timer); } return rval; } @@ -166,7 +167,10 @@ static inline int hfi1_stop_rnr_timer(struct rvt_qp *qp) */ void hfi1_del_timers_sync(struct rvt_qp *qp) { + struct hfi1_qp_priv *priv = qp->priv; + del_timer_sync(&qp->s_timer); + del_timer_sync(&priv->s_rnr_timer); } static u32 restart_sge(struct rvt_sge_state *ss, struct rvt_swqe *wqe, @@ -1015,7 +1019,7 @@ static void restart_rc(struct rvt_qp *qp, u32 psn, int wait) /* * This is called from s_timer for missing responses. */ -static void rc_timeout(unsigned long arg) +void hfi1_rc_timeout(unsigned long arg) { struct rvt_qp *qp = (struct rvt_qp *)arg; struct hfi1_ibport *ibp; |