diff options
| author |   Sunil Goutham <sgoutham@cavium.com> | 2015-12-02 15:36:15 +0530 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2015-12-02 15:58:50 -0500 |
| commit | 006394a7cb20559418c602b8433ec1839b6fc1d3 (patch) | |
| tree | dae6b236b332e451292db8a544d6dfe69f69e2b2 /drivers/net/ethernet/cavium/thunder | |
| parent | net: thunderx: Wait for delayed work to finish before destroying it (diff) | |
| download | linux-dev-006394a7cb20559418c602b8433ec1839b6fc1d3.tar.xz linux-dev-006394a7cb20559418c602b8433ec1839b6fc1d3.zip | |
net: thunderx: Set CQ timer threshold properly
Properly set CQ timer threshold and also set it to 2us.
With previous incorrect settings it was set to 0.5us which is too less.
Signed-off-by: Sunil Goutham <sgoutham@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/cavium/thunder')
| -rw-r--r-- | drivers/net/ethernet/cavium/thunder/nic.h | 5 | ||||
| -rw-r--r-- | drivers/net/ethernet/cavium/thunder/nicvf_queues.c | 2 | ||||
| -rw-r--r-- | drivers/net/ethernet/cavium/thunder/nicvf_queues.h | 2 |
3 files changed, 4 insertions, 5 deletions
diff --git a/drivers/net/ethernet/cavium/thunder/nic.h b/drivers/net/ethernet/cavium/thunder/nic.h index d3950b20feb9..39ca6744a4e6 100644 --- a/drivers/net/ethernet/cavium/thunder/nic.h +++ b/drivers/net/ethernet/cavium/thunder/nic.h @@ -120,10 +120,9 @@ * Calculated for SCLK of 700Mhz * value written should be a 1/16th of what is expected * - * 1 tick per 0.05usec = value of 2.2 - * This 10% would be covered in CQ timer thresh value + * 1 tick per 0.025usec */ -#define NICPF_CLK_PER_INT_TICK 2 +#define NICPF_CLK_PER_INT_TICK 1 /* Time to wait before we decide that a SQ is stuck. * diff --git a/drivers/net/ethernet/cavium/thunder/nicvf_queues.c b/drivers/net/ethernet/cavium/thunder/nicvf_queues.c index e404ea837727..206b6a71a545 100644 --- a/drivers/net/ethernet/cavium/thunder/nicvf_queues.c +++ b/drivers/net/ethernet/cavium/thunder/nicvf_queues.c @@ -592,7 +592,7 @@ void nicvf_cmp_queue_config(struct nicvf *nic, struct queue_set *qs, /* Set threshold value for interrupt generation */ nicvf_queue_reg_write(nic, NIC_QSET_CQ_0_7_THRESH, qidx, cq->thresh); nicvf_queue_reg_write(nic, NIC_QSET_CQ_0_7_CFG2, - qidx, nic->cq_coalesce_usecs); + qidx, CMP_QUEUE_TIMER_THRESH); } /* Configures transmit queue */ diff --git a/drivers/net/ethernet/cavium/thunder/nicvf_queues.h b/drivers/net/ethernet/cavium/thunder/nicvf_queues.h index fb4957d09914..033e8306e91c 100644 --- a/drivers/net/ethernet/cavium/thunder/nicvf_queues.h +++ b/drivers/net/ethernet/cavium/thunder/nicvf_queues.h @@ -76,7 +76,7 @@ #define CMP_QSIZE CMP_QUEUE_SIZE2 #define CMP_QUEUE_LEN (1ULL << (CMP_QSIZE + 10)) #define CMP_QUEUE_CQE_THRESH 0 -#define CMP_QUEUE_TIMER_THRESH 220 /* 10usec */ +#define CMP_QUEUE_TIMER_THRESH 80 /* ~2usec */ #define RBDR_SIZE RBDR_SIZE0 #define RCV_BUF_COUNT (1ULL << (RBDR_SIZE + 13)) |