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octeontx2-pf: Dont enable backpressure on LBK links

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Avoid configure backpressure for LBK links as they
don't support it and enable lmacs before configuration
pause frames.

Fixes: 75f3627099 ("octeontx2-pf: Support to enable/disable pause frames via ethtool")
Signed-off-by: Geetha sowjanya <gakula@marvell.com>
Signed-off-by: Hariprasad Kelam <hkelam@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Hariprasad Kelam 2021-07-25 13:29:37 +05:30 committed by David S. Miller
parent 69f0aeb13b
commit 4c85e57575
2 changed files with 9 additions and 7 deletions
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2
drivers/net/ethernet/marvell/octeontx2/af/cgx.c
View File

@ -1504,8 +1504,8 @@ static int cgx_lmac_init(struct cgx *cgx)
/* Add reference */
cgx->lmac_idmap[lmac->lmac_id] = lmac;
cgx->mac_ops->mac_pause_frm_config(cgx, lmac->lmac_id, true);
set_bit(lmac->lmac_id, &cgx->lmac_bmap);
cgx->mac_ops->mac_pause_frm_config(cgx, lmac->lmac_id, true);
}
return cgx_lmac_verify_fwi_version(cgx);

14
drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c
View File

@ -924,12 +924,14 @@ static int otx2_cq_init(struct otx2_nic *pfvf, u16 qidx)
aq->cq.drop = RQ_DROP_LVL_CQ(pfvf->hw.rq_skid, cq->cqe_cnt);
aq->cq.drop_ena = 1;
/* Enable receive CQ backpressure */
aq->cq.bp_ena = 1;
aq->cq.bpid = pfvf->bpid[0];
if (!is_otx2_lbkvf(pfvf->pdev)) {
/* Enable receive CQ backpressure */
aq->cq.bp_ena = 1;
aq->cq.bpid = pfvf->bpid[0];
/* Set backpressure level is same as cq pass level */
aq->cq.bp = RQ_PASS_LVL_CQ(pfvf->hw.rq_skid, qset->rqe_cnt);
/* Set backpressure level is same as cq pass level */
aq->cq.bp = RQ_PASS_LVL_CQ(pfvf->hw.rq_skid, qset->rqe_cnt);
}
}
/* Fill AQ info */
@ -1186,7 +1188,7 @@ static int otx2_aura_init(struct otx2_nic *pfvf, int aura_id,
aq->aura.fc_hyst_bits = 0; /* Store count on all updates */
/* Enable backpressure for RQ aura */
if (aura_id < pfvf->hw.rqpool_cnt) {
if (aura_id < pfvf->hw.rqpool_cnt && !is_otx2_lbkvf(pfvf->pdev)) {
aq->aura.bp_ena = 0;
aq->aura.nix0_bpid = pfvf->bpid[0];
/* Set backpressure level for RQ's Aura */