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octeontx2-pf: Dont allocate BPIDs for LBK interfaces

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[ Upstream commit 8fcd7c7b3a ]

Current driver enables backpressure for LBK interfaces.
But these interfaces do not support this feature.
Hence, this patch fixes the issue by skipping the
backpressure configuration for these interfaces.

Fixes: 75f3627099 ("octeontx2-pf: Support to enable/disable pause frames via ethtool").
Signed-off-by: Geetha sowjanya <gakula@marvell.com>
Signed-off-by: Sunil Goutham <sgoutham@marvell.com>
Link: https://lore.kernel.org/r/20230716093741.28063-1-gakula@marvell.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Geetha sowjanya 2023-07-16 15:07:41 +05:30 • committed by Justin Hammond
parent 8893c85d26
commit 173ad637bb
1 changed files with 3 additions and 2 deletions
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5
drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c
View file

@ -1430,8 +1430,9 @@ static int otx2_init_hw_resources(struct otx2_nic *pf)
if (err)
goto err_free_npa_lf;
/* Enable backpressure */
otx2_nix_config_bp(pf, true);
/* Enable backpressure for CGX mapped PF/VFs */
if (!is_otx2_lbkvf(pf->pdev))
otx2_nix_config_bp(pf, true);
/* Init Auras and pools used by NIX RQ, for free buffer ptrs */
err = otx2_rq_aura_pool_init(pf);