Author: davidcs
Date: Tue May 9 01:01:41 2017
New Revision: 317996
URL: https://svnweb.freebsd.org/changeset/base/317996
Log:
Fix bug where MTX_DEF lock was held while taskqueue_drain() was invoked.
Check IFF_DRV_RUNNING flag is set prior to calling ql_hw_set_multi()
MFC after:3 days
Modified:
head/sys/dev/qlxgbe/ql_isr.c
head/sys/dev/qlxgbe/ql_os.c
Modified: head/sys/dev/qlxgbe/ql_isr.c
==============================================================================
--- head/sys/dev/qlxgbe/ql_isr.c Tue May 9 00:51:10 2017
(r317995)
+++ head/sys/dev/qlxgbe/ql_isr.c Tue May 9 01:01:41 2017
(r317996)
@@ -987,7 +987,8 @@ ql_isr(void *arg)
fp = &ha->tx_fp[idx];
- if (fp->fp_taskqueue != NULL)
+ if ((fp->fp_taskqueue != NULL) &&
+ (ifp->if_drv_flags & IFF_DRV_RUNNING))
taskqueue_enqueue(fp->fp_taskqueue, &fp->fp_task);
return;
Modified: head/sys/dev/qlxgbe/ql_os.c
==============================================================================
--- head/sys/dev/qlxgbe/ql_os.c Tue May 9 00:51:10 2017 (r317995)
+++ head/sys/dev/qlxgbe/ql_os.c Tue May 9 01:01:41 2017 (r317996)
@@ -925,7 +925,9 @@ qla_set_multi(qla_host_t *ha, uint32_t a
if_maddr_runlock(ifp);
QLA_LOCK(ha);
- ret = ql_hw_set_multi(ha, mta, mcnt, add_multi);
+ if (ifp->if_drv_flags & IFF_DRV_RUNNING) {
+ ret = ql_hw_set_multi(ha, mta, mcnt, add_multi);
+ }
QLA_UNLOCK(ha);
return (ret);
@@ -1031,20 +1033,16 @@ qla_ioctl(struct ifnet *ifp, u_long cmd,
QL_DPRINT4(ha, (ha->pci_dev,
"%s: %s (0x%lx)\n", __func__, "SIOCADDMULTI", cmd));
- if (ifp->if_drv_flags & IFF_DRV_RUNNING) {
- if (qla_set_multi(ha, 1))
- ret = EINVAL;
- }
+ if (qla_set_multi(ha, 1))
+ ret = EINVAL;
break;
case SIOCDELMULTI:
QL_DPRINT4(ha, (ha->pci_dev,
"%s: %s (0x%lx)\n", __func__, "SIOCDELMULTI", cmd));
- if (ifp->if_drv_flags & IFF_DRV_RUNNING) {
- if (qla_set_multi(ha, 0))
- ret = EINVAL;
- }
+ if (qla_set_multi(ha, 0))
+ ret = EINVAL;
break;
case SIOCSIFMEDIA:
@@ -1529,9 +1527,9 @@ qla_stop(qla_host_t *ha)
ha->flags.qla_interface_up = 0;
+ QLA_UNLOCK(ha);
qla_drain_fp_taskqueues(ha);
-
- ql_hw_stop_rcv(ha);
+ QLA_LOCK(ha);
ql_del_hw_if(ha);
@@ -1922,8 +1920,6 @@ qla_error_recovery(void *context, int pe
ha->hw.imd_compl = 1;
qla_mdelay(__func__, 300);
- ql_hw_stop_rcv(ha);
-
ifp->if_drv_flags &= ~(IFF_DRV_OACTIVE | IFF_DRV_RUNNING);
for (i = 0; i < ha->hw.num_sds_rings; i++) {
@@ -1943,6 +1939,8 @@ qla_error_recovery(void *context, int pe
QLA_UNLOCK(ha);
+ qla_drain_fp_taskqueues(ha);
+
if ((ha->pci_func & 0x1) == 0) {
if (!ha->msg_from_peer) {
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