From: Sunil Goutham Date: Thu, 10 Dec 2015 07:55:20 +0000 (+0530) Subject: net: thunderx: Enable CQE count threshold interrupt X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=b9687b48a63a12ea31442f64dc77d41e83d0e478;p=deliverable%2Flinux.git net: thunderx: Enable CQE count threshold interrupt This feature is introduced in pass-2 chip and with this CQ interrupt coalescing will work based on both timer and count. Signed-off-by: Sunil Goutham Signed-off-by: David S. Miller --- diff --git a/drivers/net/ethernet/cavium/thunder/nicvf_queues.c b/drivers/net/ethernet/cavium/thunder/nicvf_queues.c index b11fc094f769..d0d1b5490061 100644 --- a/drivers/net/ethernet/cavium/thunder/nicvf_queues.c +++ b/drivers/net/ethernet/cavium/thunder/nicvf_queues.c @@ -299,7 +299,7 @@ static int nicvf_init_cmp_queue(struct nicvf *nic, return err; cq->desc = cq->dmem.base; - cq->thresh = CMP_QUEUE_CQE_THRESH; + cq->thresh = pass1_silicon(nic->pdev) ? 0 : CMP_QUEUE_CQE_THRESH; nic->cq_coalesce_usecs = (CMP_QUEUE_TIMER_THRESH * 0.05) - 1; return 0; diff --git a/drivers/net/ethernet/cavium/thunder/nicvf_queues.h b/drivers/net/ethernet/cavium/thunder/nicvf_queues.h index a4f6667fdbd4..c5030a7f213a 100644 --- a/drivers/net/ethernet/cavium/thunder/nicvf_queues.h +++ b/drivers/net/ethernet/cavium/thunder/nicvf_queues.h @@ -75,7 +75,7 @@ */ #define CMP_QSIZE CMP_QUEUE_SIZE2 #define CMP_QUEUE_LEN (1ULL << (CMP_QSIZE + 10)) -#define CMP_QUEUE_CQE_THRESH 0 +#define CMP_QUEUE_CQE_THRESH (NAPI_POLL_WEIGHT / 2) #define CMP_QUEUE_TIMER_THRESH 80 /* ~2usec */ #define RBDR_SIZE RBDR_SIZE0