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Fix a bug that ix*_start_locked() is called in interrput context 

(ix*_msix_que). The function is called in softint(ix*_handle_que()). OK'd by
k-nakahara.
This commit is contained in:
msaitoh 2017-02-13 06:38:45 +00:00
parent ae59a55318
commit 0710174de4
2 changed files with 12 additions and 18 deletions
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14
sys/dev/pci/ixgbe/ixgbe.c
View File

@ -59,7 +59,7 @@
* POSSIBILITY OF SUCH DAMAGE.
*/
/*$FreeBSD: head/sys/dev/ixgbe/if_ix.c 302384 2016-07-07 03:39:18Z sbruno $*/
/*$NetBSD: ixgbe.c,v 1.73 2017/02/10 08:41:13 msaitoh Exp $*/
/*$NetBSD: ixgbe.c,v 1.74 2017/02/13 06:38:45 msaitoh Exp $*/
#include "opt_inet.h"
#include "opt_inet6.h"
@ -1700,9 +1700,6 @@ ixgbe_msix_que(void *arg)
#ifdef IXGBE_LEGACY_TX
if (!IFQ_IS_EMPTY(&adapter->ifp->if_snd))
ixgbe_start_locked(txr, ifp);
#else
if (pcq_peek(txr->txr_interq) != NULL)
ixgbe_mq_start_locked(ifp, txr);
#endif
IXGBE_TX_UNLOCK(txr);
@ -3005,11 +3002,10 @@ ixgbe_setup_interface(device_t dev, struct adapter *adapter)
if_initialize(ifp);
ether_ifattach(ifp, adapter->hw.mac.addr);
#ifndef IXGBE_LEGACY_TX
#if 0 /* We use per TX queue softint */
if_deferred_start_init(ifp, ixgbe_deferred_mq_start);
#endif
#endif
/*
* We use per TX queue softint, so if_deferred_start_init() isn't
* used.
*/
if_register(ifp);
ether_set_ifflags_cb(ec, ixgbe_ifflags_cb);

16
sys/dev/pci/ixgbe/ixv.c
View File

@ -31,7 +31,7 @@
******************************************************************************/
/*$FreeBSD: head/sys/dev/ixgbe/if_ixv.c 302384 2016-07-07 03:39:18Z sbruno $*/
/*$NetBSD: ixv.c,v 1.50 2017/02/10 08:41:13 msaitoh Exp $*/
/*$NetBSD: ixv.c,v 1.51 2017/02/13 06:38:45 msaitoh Exp $*/
#include "opt_inet.h"
#include "opt_inet6.h"
@ -912,7 +912,9 @@ ixv_msix_que(void *arg)
{
struct ix_queue *que = arg;
struct adapter *adapter = que->adapter;
#ifdef IXGBE_LEGACY_TX
struct ifnet *ifp = adapter->ifp;
#endif
struct tx_ring *txr = que->txr;
struct rx_ring *rxr = que->rxr;
bool more;
@ -938,9 +940,6 @@ ixv_msix_que(void *arg)
#ifdef IXGBE_LEGACY_TX
if (!IFQ_IS_EMPTY(&adapter->ifp->if_snd))
ixgbe_start_locked(txr, ifp);
#else
if (pcq_peek(txr->txr_interq) != NULL)
ixgbe_mq_start_locked(ifp, txr);
#endif
IXGBE_TX_UNLOCK(txr);
@ -1678,11 +1677,10 @@ ixv_setup_interface(device_t dev, struct adapter *adapter)
if_initialize(ifp);
ether_ifattach(ifp, adapter->hw.mac.addr);
#ifndef IXGBE_LEGACY_TX
#if 0 /* We use per TX queue softint */
if_deferred_start_init(ifp, ixgbe_deferred_mq_start);
#endif
#endif
/*
* We use per TX queue softint, so if_deferred_start_init() isn't
* used.
*/
if_register(ifp);
ether_set_ifflags_cb(ec, ixv_ifflags_cb);