diff options
author | Sunil Goutham <sgoutham@cavium.com> | 2016-11-24 12:18:02 +0300 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2016-11-26 04:21:17 +0300 |
commit | d5b2d7a7184062c436f9a2b237e77bdb8e06a936 (patch) | |
tree | 15bb59d54a2694cc96e6542108609838e69b42a6 /drivers/net/ethernet/cavium/thunder/nicvf_queues.c | |
parent | 1cc702591bae9f70b1aa2f9cb60241961bc1858a (diff) | |
download | linux-d5b2d7a7184062c436f9a2b237e77bdb8e06a936.tar.xz |
net: thunderx: Configure RED and backpressure levels
This patch enables moving average calculation of Rx pkt's resources
and configures RED and backpressure levels for both CQ and RBDR.
Also initialize SQ's CQ_LIMIT properly.
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/nicvf_queues.c')
-rw-r--r-- | drivers/net/ethernet/cavium/thunder/nicvf_queues.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/net/ethernet/cavium/thunder/nicvf_queues.c b/drivers/net/ethernet/cavium/thunder/nicvf_queues.c index 747ef0882976..7b336cda66e8 100644 --- a/drivers/net/ethernet/cavium/thunder/nicvf_queues.c +++ b/drivers/net/ethernet/cavium/thunder/nicvf_queues.c @@ -544,14 +544,18 @@ static void nicvf_rcv_queue_config(struct nicvf *nic, struct queue_set *qs, nicvf_send_msg_to_pf(nic, &mbx); mbx.rq.msg = NIC_MBOX_MSG_RQ_BP_CFG; - mbx.rq.cfg = (1ULL << 63) | (1ULL << 62) | (qs->vnic_id << 0); + mbx.rq.cfg = BIT_ULL(63) | BIT_ULL(62) | + (RQ_PASS_RBDR_LVL << 16) | (RQ_PASS_CQ_LVL << 8) | + (qs->vnic_id << 0); nicvf_send_msg_to_pf(nic, &mbx); /* RQ drop config * Enable CQ drop to reserve sufficient CQEs for all tx packets */ mbx.rq.msg = NIC_MBOX_MSG_RQ_DROP_CFG; - mbx.rq.cfg = (1ULL << 62) | (RQ_CQ_DROP << 8); + mbx.rq.cfg = BIT_ULL(63) | BIT_ULL(62) | + (RQ_PASS_RBDR_LVL << 40) | (RQ_DROP_RBDR_LVL << 32) | + (RQ_PASS_CQ_LVL << 16) | (RQ_DROP_CQ_LVL << 8); nicvf_send_msg_to_pf(nic, &mbx); if (!nic->sqs_mode && (qidx == 0)) { @@ -650,6 +654,7 @@ static void nicvf_snd_queue_config(struct nicvf *nic, struct queue_set *qs, sq_cfg.ldwb = 0; sq_cfg.qsize = SND_QSIZE; sq_cfg.tstmp_bgx_intf = 0; + sq_cfg.cq_limit = 0; nicvf_queue_reg_write(nic, NIC_QSET_SQ_0_7_CFG, qidx, *(u64 *)&sq_cfg); /* Set threshold value for interrupt generation */ |