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net/cnxk: add receive channel backpressure for SDP

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The SDP interfaces also need to be configured for NIX receive channel
backpressure for packet receive.

Signed-off-by: Radha Mohan Chintakuntla <radhac@marvell.com>
Acked-by: Jerin Jacob <jerinj@marvell.com>
This commit is contained in:
Radha Mohan Chintakuntla 2022-05-08 13:18:13 +05:30 committed by Jerin Jacob
parent 28b283fa7f
commit ff1400aa9d
2 changed files with 8 additions and 6 deletions
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11
drivers/common/cnxk/roc_nix_fc.c
View File

@ -38,16 +38,13 @@ nix_fc_rxchan_bpid_set(struct roc_nix *roc_nix, bool enable)
struct nix_bp_cfg_rsp *rsp;
int rc = -ENOSPC, i;
if (roc_nix_is_sdp(roc_nix))
return 0;
if (enable) {
req = mbox_alloc_msg_nix_bp_enable(mbox);
if (req == NULL)
return rc;
req->chan_base = 0;
if (roc_nix_is_lbk(roc_nix))
if (roc_nix_is_lbk(roc_nix) || roc_nix_is_sdp(roc_nix))
req->chan_cnt = NIX_LBK_MAX_CHAN;
else
req->chan_cnt = NIX_CGX_MAX_CHAN;
@ -203,7 +200,8 @@ nix_fc_cq_config_set(struct roc_nix *roc_nix, struct roc_nix_fc_cfg *fc_cfg)
int
roc_nix_fc_config_get(struct roc_nix *roc_nix, struct roc_nix_fc_cfg *fc_cfg)
{
if (roc_nix_is_vf_or_sdp(roc_nix) && !roc_nix_is_lbk(roc_nix))
if (!roc_nix_is_pf(roc_nix) && !roc_nix_is_lbk(roc_nix) &&
!roc_nix_is_sdp(roc_nix))
return 0;
if (fc_cfg->type == ROC_NIX_FC_CQ_CFG)
@ -219,7 +217,8 @@ roc_nix_fc_config_get(struct roc_nix *roc_nix, struct roc_nix_fc_cfg *fc_cfg)
int
roc_nix_fc_config_set(struct roc_nix *roc_nix, struct roc_nix_fc_cfg *fc_cfg)
{
if (roc_nix_is_vf_or_sdp(roc_nix) && !roc_nix_is_lbk(roc_nix))
if (!roc_nix_is_pf(roc_nix) && !roc_nix_is_lbk(roc_nix) &&
!roc_nix_is_sdp(roc_nix))
return 0;
if (fc_cfg->type == ROC_NIX_FC_CQ_CFG)

3
drivers/net/cnxk/cnxk_ethdev.c
View File

@ -310,6 +310,9 @@ nix_init_flow_ctrl_config(struct rte_eth_dev *eth_dev)
struct cnxk_fc_cfg *fc = &dev->fc_cfg;
int rc;
if (roc_nix_is_sdp(&dev->nix))
return 0;
/* To avoid Link credit deadlock on Ax, disable Tx FC if it's enabled */
if (roc_model_is_cn96_ax() &&
dev->npc.switch_header_type != ROC_PRIV_FLAGS_HIGIG)