* [PATCH] net/bnxt: limit max_vnics for CoS classification
@ 2023-03-13 20:00 Dave Johnson
2023-03-21 13:57 ` Ajit Khaparde
0 siblings, 1 reply; 2+ messages in thread
From: Dave Johnson @ 2023-03-13 20:00 UTC (permalink / raw)
To: ajit.khaparde, somnath.kotur; +Cc: dev, Dave Johnson
When using CoS classification the number of vnics is capped
to avoid unnecessary memzone allocations.
Signed-off-by: Dave Johnson <davejo@cisco.com>
---
.mailmap | 1 +
drivers/net/bnxt/bnxt.h | 1 +
drivers/net/bnxt/bnxt_hwrm.c | 10 ++++++++--
3 files changed, 10 insertions(+), 2 deletions(-)
diff --git a/.mailmap b/.mailmap
index 4018f0fc47..ae52428557 100644
--- a/.mailmap
+++ b/.mailmap
@@ -271,6 +271,7 @@ Dariusz Stojaczyk <dariuszx.stojaczyk@intel.com>
Darren Edamura <darren.edamura@broadcom.com>
Dave Burley <dave.burley@accelercomm.com>
Dave Ertman <david.m.ertman@intel.com>
+Dave Johnson <davejo@cisco.com>
David Binderman <dcb314@hotmail.com>
David Bouyeure <david.bouyeure@fraudbuster.mobi>
David Christensen <drc@linux.vnet.ibm.com> <david.christensen@broadcom.com>
diff --git a/drivers/net/bnxt/bnxt.h b/drivers/net/bnxt/bnxt.h
index f6eaaeb470..48bd8f2418 100644
--- a/drivers/net/bnxt/bnxt.h
+++ b/drivers/net/bnxt/bnxt.h
@@ -811,6 +811,7 @@ struct bnxt {
uint16_t max_l2_ctx;
uint16_t max_rx_em_flows;
uint16_t max_vnics;
+#define BNXT_MAX_VNICS_COS_CLASSIFY 8
uint16_t max_stat_ctx;
uint16_t max_tpa_v2;
uint16_t first_vf_id;
diff --git a/drivers/net/bnxt/bnxt_hwrm.c b/drivers/net/bnxt/bnxt_hwrm.c
index 51e1e2d6b3..d86ac73293 100644
--- a/drivers/net/bnxt/bnxt_hwrm.c
+++ b/drivers/net/bnxt/bnxt_hwrm.c
@@ -902,7 +902,10 @@ static int __bnxt_hwrm_func_qcaps(struct bnxt *bp)
bp->max_l2_ctx = rte_le_to_cpu_16(resp->max_l2_ctxs);
if (!BNXT_CHIP_P5(bp) && !bp->pdev->max_vfs)
bp->max_l2_ctx += bp->max_rx_em_flows;
- bp->max_vnics = rte_le_to_cpu_16(resp->max_vnics);
+ if (bp->vnic_cap_flags & BNXT_VNIC_CAP_COS_CLASSIFY)
+ bp->max_vnics = rte_le_to_cpu_16(BNXT_MAX_VNICS_COS_CLASSIFY);
+ else
+ bp->max_vnics = rte_le_to_cpu_16(resp->max_vnics);
PMD_DRV_LOG(DEBUG, "Max l2_cntxts is %d vnics is %d\n",
bp->max_l2_ctx, bp->max_vnics);
bp->max_stat_ctx = rte_le_to_cpu_16(resp->max_stat_ctx);
@@ -1211,7 +1214,10 @@ int bnxt_hwrm_func_resc_qcaps(struct bnxt *bp)
bp->max_l2_ctx = rte_le_to_cpu_16(resp->max_l2_ctxs);
if (!BNXT_CHIP_P5(bp) && !bp->pdev->max_vfs)
bp->max_l2_ctx += bp->max_rx_em_flows;
- bp->max_vnics = rte_le_to_cpu_16(resp->max_vnics);
+ if (bp->vnic_cap_flags & BNXT_VNIC_CAP_COS_CLASSIFY)
+ bp->max_vnics = rte_le_to_cpu_16(BNXT_MAX_VNICS_COS_CLASSIFY);
+ else
+ bp->max_vnics = rte_le_to_cpu_16(resp->max_vnics);
bp->max_stat_ctx = rte_le_to_cpu_16(resp->max_stat_ctx);
bp->max_nq_rings = rte_le_to_cpu_16(resp->max_msix);
bp->vf_resv_strategy = rte_le_to_cpu_16(resp->vf_reservation_strategy);
--
2.35.6
^ permalink raw reply [flat|nested] 2+ messages in thread* Re: [PATCH] net/bnxt: limit max_vnics for CoS classification
2023-03-13 20:00 [PATCH] net/bnxt: limit max_vnics for CoS classification Dave Johnson
@ 2023-03-21 13:57 ` Ajit Khaparde
0 siblings, 0 replies; 2+ messages in thread
From: Ajit Khaparde @ 2023-03-21 13:57 UTC (permalink / raw)
To: Dave Johnson, Ferruh Yigit; +Cc: somnath.kotur, dev
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On Mon, Mar 13, 2023 at 1:01 PM Dave Johnson <davejo@cisco.com> wrote:
>
> When using CoS classification the number of vnics is capped
> to avoid unnecessary memzone allocations.
>
> Signed-off-by: Dave Johnson <davejo@cisco.com>
Acked-by: Ajit Khaparde <ajit.khaparde@broadcom.com>
Patch merged to dpdk-next-net-brcm. Thanks
> ---
> .mailmap | 1 +
> drivers/net/bnxt/bnxt.h | 1 +
> drivers/net/bnxt/bnxt_hwrm.c | 10 ++++++++--
> 3 files changed, 10 insertions(+), 2 deletions(-)
>
> diff --git a/.mailmap b/.mailmap
> index 4018f0fc47..ae52428557 100644
> --- a/.mailmap
> +++ b/.mailmap
> @@ -271,6 +271,7 @@ Dariusz Stojaczyk <dariuszx.stojaczyk@intel.com>
> Darren Edamura <darren.edamura@broadcom.com>
> Dave Burley <dave.burley@accelercomm.com>
> Dave Ertman <david.m.ertman@intel.com>
> +Dave Johnson <davejo@cisco.com>
> David Binderman <dcb314@hotmail.com>
> David Bouyeure <david.bouyeure@fraudbuster.mobi>
> David Christensen <drc@linux.vnet.ibm.com> <david.christensen@broadcom.com>
> diff --git a/drivers/net/bnxt/bnxt.h b/drivers/net/bnxt/bnxt.h
> index f6eaaeb470..48bd8f2418 100644
> --- a/drivers/net/bnxt/bnxt.h
> +++ b/drivers/net/bnxt/bnxt.h
> @@ -811,6 +811,7 @@ struct bnxt {
> uint16_t max_l2_ctx;
> uint16_t max_rx_em_flows;
> uint16_t max_vnics;
> +#define BNXT_MAX_VNICS_COS_CLASSIFY 8
> uint16_t max_stat_ctx;
> uint16_t max_tpa_v2;
> uint16_t first_vf_id;
> diff --git a/drivers/net/bnxt/bnxt_hwrm.c b/drivers/net/bnxt/bnxt_hwrm.c
> index 51e1e2d6b3..d86ac73293 100644
> --- a/drivers/net/bnxt/bnxt_hwrm.c
> +++ b/drivers/net/bnxt/bnxt_hwrm.c
> @@ -902,7 +902,10 @@ static int __bnxt_hwrm_func_qcaps(struct bnxt *bp)
> bp->max_l2_ctx = rte_le_to_cpu_16(resp->max_l2_ctxs);
> if (!BNXT_CHIP_P5(bp) && !bp->pdev->max_vfs)
> bp->max_l2_ctx += bp->max_rx_em_flows;
> - bp->max_vnics = rte_le_to_cpu_16(resp->max_vnics);
> + if (bp->vnic_cap_flags & BNXT_VNIC_CAP_COS_CLASSIFY)
> + bp->max_vnics = rte_le_to_cpu_16(BNXT_MAX_VNICS_COS_CLASSIFY);
> + else
> + bp->max_vnics = rte_le_to_cpu_16(resp->max_vnics);
> PMD_DRV_LOG(DEBUG, "Max l2_cntxts is %d vnics is %d\n",
> bp->max_l2_ctx, bp->max_vnics);
> bp->max_stat_ctx = rte_le_to_cpu_16(resp->max_stat_ctx);
> @@ -1211,7 +1214,10 @@ int bnxt_hwrm_func_resc_qcaps(struct bnxt *bp)
> bp->max_l2_ctx = rte_le_to_cpu_16(resp->max_l2_ctxs);
> if (!BNXT_CHIP_P5(bp) && !bp->pdev->max_vfs)
> bp->max_l2_ctx += bp->max_rx_em_flows;
> - bp->max_vnics = rte_le_to_cpu_16(resp->max_vnics);
> + if (bp->vnic_cap_flags & BNXT_VNIC_CAP_COS_CLASSIFY)
> + bp->max_vnics = rte_le_to_cpu_16(BNXT_MAX_VNICS_COS_CLASSIFY);
> + else
> + bp->max_vnics = rte_le_to_cpu_16(resp->max_vnics);
> bp->max_stat_ctx = rte_le_to_cpu_16(resp->max_stat_ctx);
> bp->max_nq_rings = rte_le_to_cpu_16(resp->max_msix);
> bp->vf_resv_strategy = rte_le_to_cpu_16(resp->vf_reservation_strategy);
> --
> 2.35.6
>
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