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authorJacob Keller <jacob.e.keller@intel.com>2019-12-19 12:10:00 -0800
committerJeff Kirsher <jeffrey.t.kirsher@intel.com>2020-01-17 09:55:34 -0800
commit2da259c5fe1f528dd9bd4d0430a2732de18c190b (patch)
treeae97ea48a313cf5e10ced190c85d106b09d29841
parentigc: Add PHY power management control (diff)
downloadlinux-dev-2da259c5fe1f528dd9bd4d0430a2732de18c190b.tar.xz
linux-dev-2da259c5fe1f528dd9bd4d0430a2732de18c190b.zip
fm10k: use txqueue parameter in fm10k_tx_timeout
Make use of the new txqueue parameter to the .ndo_tx_timeout function. In fm10k_tx_timeout, remove the now unnecessary loop to determine which Tx queue is stuck. Instead, just double check the specified queue This could be improved further to attempt resetting only the specific queue that got stuck. However, that is a much larger refactor and has been left as a future improvement. Signed-off-by: Jacob Keller <jacob.e.keller@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
-rw-r--r--drivers/net/ethernet/intel/fm10k/fm10k_netdev.c17
1 files changed, 10 insertions, 7 deletions
diff --git a/drivers/net/ethernet/intel/fm10k/fm10k_netdev.c b/drivers/net/ethernet/intel/fm10k/fm10k_netdev.c
index ba2566e2123d..0637ccadee79 100644
--- a/drivers/net/ethernet/intel/fm10k/fm10k_netdev.c
+++ b/drivers/net/ethernet/intel/fm10k/fm10k_netdev.c
@@ -696,21 +696,24 @@ static netdev_tx_t fm10k_xmit_frame(struct sk_buff *skb, struct net_device *dev)
/**
* fm10k_tx_timeout - Respond to a Tx Hang
* @netdev: network interface device structure
+ * @txqueue: the index of the Tx queue that timed out
**/
static void fm10k_tx_timeout(struct net_device *netdev, unsigned int txqueue)
{
struct fm10k_intfc *interface = netdev_priv(netdev);
+ struct fm10k_ring *tx_ring;
bool real_tx_hang = false;
- int i;
-
-#define TX_TIMEO_LIMIT 16000
- for (i = 0; i < interface->num_tx_queues; i++) {
- struct fm10k_ring *tx_ring = interface->tx_ring[i];
- if (check_for_tx_hang(tx_ring) && fm10k_check_tx_hang(tx_ring))
- real_tx_hang = true;
+ if (txqueue >= interface->num_tx_queues) {
+ WARN(1, "invalid Tx queue index %d", txqueue);
+ return;
}
+ tx_ring = interface->tx_ring[txqueue];
+ if (check_for_tx_hang(tx_ring) && fm10k_check_tx_hang(tx_ring))
+ real_tx_hang = true;
+
+#define TX_TIMEO_LIMIT 16000
if (real_tx_hang) {
fm10k_tx_timeout_reset(interface);
} else {