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| Started by | Sunil Goutham <sunil.kovvuri@gmail.com> |
|---|---|
| First post | 2015-12-10 09:10 +0100 |
| Last post | 2015-12-10 09:10 +0100 |
| Articles | 1 — 1 participant |
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[PATCH v2 2/2] net: thunderx: Enable CQE count threshold interrupt Sunil Goutham <sunil.kovvuri@gmail.com> - 2015-12-10 09:10 +0100
| From | Sunil Goutham <sunil.kovvuri@gmail.com> |
|---|---|
| Date | 2015-12-10 09:10 +0100 |
| Subject | [PATCH v2 2/2] net: thunderx: Enable CQE count threshold interrupt |
| Message-ID | <qE4sy-3sW-17@gated-at.bofh.it> |
From: Sunil Goutham <sgoutham@cavium.com> 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 <sgoutham@cavium.com> --- drivers/net/ethernet/cavium/thunder/nicvf_queues.c | 2 +- drivers/net/ethernet/cavium/thunder/nicvf_queues.h | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/cavium/thunder/nicvf_queues.c b/drivers/net/ethernet/cavium/thunder/nicvf_queues.c index b11fc09..d0d1b54 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 a4f6667..c5030a7 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 -- 1.7.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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