diff options
| author | Saravanan Vajravel <saravanan.vajravel@broadcom.com> | 2025-08-22 09:37:52 +0530 |
|---|---|---|
| committer | Leon Romanovsky <leon@kernel.org> | 2025-09-11 02:17:54 -0400 |
| commit | 217156bb70afb8e4c9263f7f892bb171ce4b463d (patch) | |
| tree | 626666719a99b90154221bf398512b53603dabe5 /drivers/net/ethernet/broadcom | |
| parent | RDMA/bnxt_re: Enhance a log message when bnxt_re_register_netdev fails (diff) | |
| download | linux-217156bb70afb8e4c9263f7f892bb171ce4b463d.tar.gz linux-217156bb70afb8e4c9263f7f892bb171ce4b463d.zip | |
bnxt_en: Enhance stats context reservation logic
When the firmware advertises that the device is capable of supporting
port mirroring on RoCE device, reserve one additional stat_ctx.
To support port mirroring feature, RDMA driver allocates one stat_ctx
for exclusive use in RawEth QP.
Signed-off-by: Saravanan Vajravel <saravanan.vajravel@broadcom.com>
Reviewed-by: Somnath Kotur <somnath.kotur@broadcom.com>
Reviewed-by: Kashyap Desai <kashyap.desai@broadcom.com>
Reviewed-by: Selvin Xavier <selvin.xavier@broadcom.com>
Reviewed-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
Link: https://patch.msgid.link/20250822040801.776196-2-kalesh-anakkur.purayil@broadcom.com
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Acked-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Diffstat (limited to 'drivers/net/ethernet/broadcom')
| -rw-r--r-- | drivers/net/ethernet/broadcom/bnxt/bnxt.c | 8 | ||||
| -rw-r--r-- | drivers/net/ethernet/broadcom/bnxt/bnxt.h | 3 | ||||
| -rw-r--r-- | drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.c | 6 |
3 files changed, 15 insertions, 2 deletions
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c index 5578ddcb465d..751840fff0dc 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c @@ -9601,10 +9601,10 @@ no_ptp: static int __bnxt_hwrm_func_qcaps(struct bnxt *bp) { + u32 flags, flags_ext, flags_ext2, flags_ext3; + struct bnxt_hw_resc *hw_resc = &bp->hw_resc; struct hwrm_func_qcaps_output *resp; struct hwrm_func_qcaps_input *req; - struct bnxt_hw_resc *hw_resc = &bp->hw_resc; - u32 flags, flags_ext, flags_ext2; int rc; rc = hwrm_req_init(bp, req, HWRM_FUNC_QCAPS); @@ -9671,6 +9671,10 @@ static int __bnxt_hwrm_func_qcaps(struct bnxt *bp) (flags_ext2 & FUNC_QCAPS_RESP_FLAGS_EXT2_ROCE_VF_RESOURCE_MGMT_SUPPORTED)) bp->fw_cap |= BNXT_FW_CAP_ROCE_VF_RESC_MGMT_SUPPORTED; + flags_ext3 = le32_to_cpu(resp->flags_ext3); + if (flags_ext3 & FUNC_QCAPS_RESP_FLAGS_EXT3_MIRROR_ON_ROCE_SUPPORTED) + bp->fw_cap |= BNXT_FW_CAP_MIRROR_ON_ROCE; + bp->tx_push_thresh = 0; if ((flags & FUNC_QCAPS_RESP_FLAGS_PUSH_MODE_SUPPORTED) && BNXT_FW_MAJ(bp) > 217) diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.h b/drivers/net/ethernet/broadcom/bnxt/bnxt.h index fda0d3cc6227..fa2b39b55e68 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.h +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.h @@ -2507,6 +2507,7 @@ struct bnxt { #define BNXT_FW_CAP_VNIC_RE_FLUSH BIT_ULL(40) #define BNXT_FW_CAP_SW_MAX_RESOURCE_LIMITS BIT_ULL(41) #define BNXT_FW_CAP_NPAR_1_2 BIT_ULL(42) + #define BNXT_FW_CAP_MIRROR_ON_ROCE BIT_ULL(43) u32 fw_dbg_cap; @@ -2528,6 +2529,8 @@ struct bnxt { ((bp)->fw_cap & BNXT_FW_CAP_ROCE_VF_RESC_MGMT_SUPPORTED) #define BNXT_SW_RES_LMT(bp) \ ((bp)->fw_cap & BNXT_FW_CAP_SW_MAX_RESOURCE_LIMITS) +#define BNXT_MIRROR_ON_ROCE_CAP(bp) \ + ((bp)->fw_cap & BNXT_FW_CAP_MIRROR_ON_ROCE) u32 hwrm_spec_code; u16 hwrm_cmd_seq; diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.c index 61cf201bb0dc..f8c2c72b382d 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.c @@ -100,6 +100,12 @@ void bnxt_set_dflt_ulp_stat_ctxs(struct bnxt *bp) if (BNXT_PF(bp) && !bp->pf.port_id && bp->port_count > 1) bp->edev->ulp_num_ctxs++; + + /* Reserve one additional stat_ctx when the device is capable + * of supporting port mirroring on RDMA device. + */ + if (BNXT_MIRROR_ON_ROCE_CAP(bp)) + bp->edev->ulp_num_ctxs++; } } |