diff options
Diffstat (limited to 'drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c')
| -rw-r--r-- | drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c index df238e46e2ae..b062ed06235d 100644 --- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c +++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c @@ -1129,7 +1129,22 @@ static int otx2_aura_init(struct otx2_nic *pfvf, int aura_id, /* Enable backpressure for RQ aura */ if (aura_id < pfvf->hw.rqpool_cnt) { aq->aura.bp_ena = 0; + /* If NIX1 LF is attached then specify NIX1_RX. + * + * Below NPA_AURA_S[BP_ENA] is set according to the + * NPA_BPINTF_E enumeration given as: + * 0x0 + a*0x1 where 'a' is 0 for NIX0_RX and 1 for NIX1_RX so + * NIX0_RX is 0x0 + 0*0x1 = 0 + * NIX1_RX is 0x0 + 1*0x1 = 1 + * But in HRM it is given that + * "NPA_AURA_S[BP_ENA](w1[33:32]) - Enable aura backpressure to + * NIX-RX based on [BP] level. One bit per NIX-RX; index + * enumerated by NPA_BPINTF_E." + */ + if (pfvf->nix_blkaddr == BLKADDR_NIX1) + aq->aura.bp_ena = 1; aq->aura.nix0_bpid = pfvf->bpid[0]; + /* Set backpressure level for RQ's Aura */ aq->aura.bp = RQ_BP_LVL_AURA; } |