@@ -28,6 +28,7 @@
#include "ixgbe.h"
#include <linux/dcbnl.h>
+#include <net/pkt_sched.h>
#include "ixgbe_dcb_82598.h"
#include "ixgbe_dcb_82599.h"
@@ -126,8 +127,10 @@ static u8 ixgbe_dcbnl_set_state(struct net_device *netdev, u8 state)
goto out;
}
- if (netif_running(netdev))
+ if (netif_running(netdev)) {
+ dev_deactivate(netdev);
netdev->netdev_ops->ndo_stop(netdev);
+ }
ixgbe_clear_interrupt_scheme(adapter);
if (adapter->hw.mac.type == ixgbe_mac_82598EB) {
@@ -146,8 +149,10 @@ static u8 ixgbe_dcbnl_set_state(struct net_device *netdev, u8 state)
} else {
/* Turn off DCB */
if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) {
- if (netif_running(netdev))
+ if (netif_running(netdev)) {
+ dev_deactivate(netdev);
netdev->netdev_ops->ndo_stop(netdev);
+ }
ixgbe_clear_interrupt_scheme(adapter);
adapter->hw.fc.requested_mode = adapter->last_lfc_mode;
@@ -33,6 +33,7 @@
#include <linux/if_ether.h>
#include <linux/gfp.h>
#include <linux/if_vlan.h>
+#include <net/sch_generic.h>
#include <scsi/scsi_cmnd.h>
#include <scsi/scsi_device.h>
#include <scsi/fc/fc_fs.h>
@@ -615,8 +616,10 @@ int ixgbe_fcoe_enable(struct net_device *netdev)
goto out_enable;
DPRINTK(DRV, INFO, "Enabling FCoE offload features.\n");
- if (netif_running(netdev))
+ if (netif_running(netdev)) {
+ dev_deactivate(netdev);
netdev->netdev_ops->ndo_stop(netdev);
+ }
ixgbe_clear_interrupt_scheme(adapter);
@@ -661,8 +664,10 @@ int ixgbe_fcoe_disable(struct net_device *netdev)
goto out_disable;
DPRINTK(DRV, INFO, "Disabling FCoE offload features.\n");
- if (netif_running(netdev))
+ if (netif_running(netdev)) {
+ dev_deactivate(netdev);
netdev->netdev_ops->ndo_stop(netdev);
+ }
ixgbe_clear_interrupt_scheme(adapter);
@@ -804,6 +804,7 @@ void dev_deactivate(struct net_device *dev)
while (some_qdisc_is_busy(dev))
yield();
}
+EXPORT_SYMBOL(dev_deactivate);
static void dev_init_scheduler_queue(struct net_device *dev,
struct netdev_queue *dev_queue,
This patch exports dev_deactivate() symbol. The qdisc needs to be purged when real_num_tx_queues is changed so that skbs do not hit ndo_start_xmit with queue_mappings corresponding to tx_rings already freed. real_num_tx_queues is changed when dynamically enabling or disabling DCB or FCoE. To purge the qdisc use dev_deactivate(). Signed-off-by: John Fastabend <john.r.fastabend@intel.com> --- drivers/net/ixgbe/ixgbe_dcb_nl.c | 9 +++++++-- drivers/net/ixgbe/ixgbe_fcoe.c | 9 +++++++-- net/sched/sch_generic.c | 1 + 3 files changed, 15 insertions(+), 4 deletions(-) -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html