Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 3d7a8aaa authored by Sunil Goutham's avatar Sunil Goutham Committed by David S. Miller
Browse files

net: thunderx: Set watchdog timeout value 



If a txq (SQ) remains in stopped state after this timeout its
considered as stuck and interface is reinited.

Signed-off-by: default avatarSunil Goutham <sgoutham@cavium.com>
Signed-off-by: default avatarAleksey Makarov <aleksey.makarov@caviumnetworks.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 74840b83

drivers/net/ethernet/cavium/thunder/nic.h

+9 −0
Original line number Diff line number Diff line
@@ -125,6 +125,15 @@ 
 */

#define NICPF_CLK_PER_INT_TICK		2



/* Time to wait before we decide that a SQ is stuck.

 *

 * Since both pkt rx and tx notifications are done with same CQ,

 * when packets are being received at very high rate (eg: L2 forwarding)

 * then freeing transmitted skbs will be delayed and watchdog

 * will kick in, resetting interface. Hence keeping this value high.

 */

#define	NICVF_TX_TIMEOUT		(50 * HZ)



struct nicvf_cq_poll {

	u8	cq_idx;		/* Completion queue index */

	struct	napi_struct napi;

drivers/net/ethernet/cavium/thunder/nicvf_main.c

+1 −0
Original line number Diff line number Diff line
@@ -1293,6 +1293,7 @@ static int nicvf_probe(struct pci_dev *pdev, const struct pci_device_id *ent) 
	netdev->hw_features = netdev->features;



	netdev->netdev_ops = &nicvf_netdev_ops;

	netdev->watchdog_timeo = NICVF_TX_TIMEOUT;



	INIT_WORK(&nic->reset_task, nicvf_reset_task);