diff options
| author | Sunil Goutham <sgoutham@cavium.com> | 2016-11-24 14:48:02 +0530 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2016-11-25 20:21:17 -0500 |
| commit | d5b2d7a7184062c436f9a2b237e77bdb8e06a936 (patch) | |
| tree | 15bb59d54a2694cc96e6542108609838e69b42a6 /drivers/net/ethernet/cavium/thunder/nic_main.c | |
| parent | 1cc702591bae9f70b1aa2f9cb60241961bc1858a (diff) | |
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/nic_main.c')
| -rw-r--r-- | drivers/net/ethernet/cavium/thunder/nic_main.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/net/ethernet/cavium/thunder/nic_main.c b/drivers/net/ethernet/cavium/thunder/nic_main.c index b87d416ad372..17490ec02428 100644 --- a/drivers/net/ethernet/cavium/thunder/nic_main.c +++ b/drivers/net/ethernet/cavium/thunder/nic_main.c @@ -809,6 +809,15 @@ static int nic_config_loopback(struct nicpf *nic, struct set_loopback *lbk) bgx_lmac_internal_loopback(nic->node, bgx_idx, lmac_idx, lbk->enable); + /* Enable moving average calculation. + * Keep the LVL/AVG delay to HW enforced minimum so that, not too many + * packets sneek in between average calculations. + */ + nic_reg_write(nic, NIC_PF_CQ_AVG_CFG, + (BIT_ULL(20) | 0x2ull << 14 | 0x1)); + nic_reg_write(nic, NIC_PF_RRM_AVG_CFG, + (BIT_ULL(20) | 0x3ull << 14 | 0x1)); + return 0; } |