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bnxt_en: Query firmware capability to support aRFS on 57500 chips.

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Query support for the aRFS ring table index in the firmware.

Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Michael Chan 2019-05-05 07:17:06 -04:00 committed by David S. Miller
parent 01989c6b69
commit e969ae5bbf
2 changed files with 44 additions and 1 deletions
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43
drivers/net/ethernet/broadcom/bnxt/bnxt.c
View File

@ -6621,6 +6621,34 @@ static int bnxt_hwrm_func_qcaps(struct bnxt *bp)
return 0;
}
static int bnxt_hwrm_cfa_adv_flow_mgnt_qcaps(struct bnxt *bp)
{
struct hwrm_cfa_adv_flow_mgnt_qcaps_input req = {0};
struct hwrm_cfa_adv_flow_mgnt_qcaps_output *resp;
int rc = 0;
u32 flags;
if (!(bp->fw_cap & BNXT_FW_CAP_CFA_ADV_FLOW))
return 0;
resp = bp->hwrm_cmd_resp_addr;
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_CFA_ADV_FLOW_MGNT_QCAPS, -1, -1);
mutex_lock(&bp->hwrm_cmd_lock);
rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
if (rc)
goto hwrm_cfa_adv_qcaps_exit;
flags = le32_to_cpu(resp->flags);
if (flags &
CFA_ADV_FLOW_MGNT_QCAPS_RESP_FLAGS_RFS_RING_TBL_IDX_SUPPORTED)
bp->fw_cap |= BNXT_FW_CAP_CFA_RFS_RING_TBL_IDX;
hwrm_cfa_adv_qcaps_exit:
mutex_unlock(&bp->hwrm_cmd_lock);
return rc;
}
static int bnxt_hwrm_func_reset(struct bnxt *bp)
{
struct hwrm_func_reset_input req = {0};
@ -6753,6 +6781,10 @@ static int bnxt_hwrm_ver_get(struct bnxt *bp)
VER_GET_RESP_DEV_CAPS_CFG_TRUSTED_VF_SUPPORTED)
bp->fw_cap |= BNXT_FW_CAP_TRUSTED_VF;
if (dev_caps_cfg &
VER_GET_RESP_DEV_CAPS_CFG_CFA_ADV_FLOW_MGNT_SUPPORTED)
bp->fw_cap |= BNXT_FW_CAP_CFA_ADV_FLOW;
hwrm_ver_get_exit:
mutex_unlock(&bp->hwrm_cmd_lock);
return rc;
@ -9063,8 +9095,11 @@ static bool bnxt_can_reserve_rings(struct bnxt *bp)
/* If the chip and firmware supports RFS */
static bool bnxt_rfs_supported(struct bnxt *bp)
{
if (bp->flags & BNXT_FLAG_CHIP_P5)
if (bp->flags & BNXT_FLAG_CHIP_P5) {
if (bp->fw_cap & BNXT_FW_CAP_CFA_RFS_RING_TBL_IDX)
return true;
return false;
}
if (BNXT_PF(bp) && !BNXT_CHIP_TYPE_NITRO_A0(bp))
return true;
if (bp->flags & BNXT_FLAG_NEW_RSS_CAP)
@ -10665,6 +10700,12 @@ static int bnxt_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
rc = -1;
goto init_err_pci_clean;
}
rc = bnxt_hwrm_cfa_adv_flow_mgnt_qcaps(bp);
if (rc)
netdev_warn(bp->dev, "hwrm query adv flow mgnt failure rc: %d\n",
rc);
rc = bnxt_init_mac_addr(bp);
if (rc) {
dev_err(&pdev->dev, "Unable to initialize mac address.\n");

2
drivers/net/ethernet/broadcom/bnxt/bnxt.h
View File

@ -1483,6 +1483,8 @@ struct bnxt {
#define BNXT_FW_CAP_OVS_64BIT_HANDLE 0x00000400
#define BNXT_FW_CAP_TRUSTED_VF 0x00000800
#define BNXT_FW_CAP_PKG_VER 0x00004000
#define BNXT_FW_CAP_CFA_ADV_FLOW 0x00008000
#define BNXT_FW_CAP_CFA_RFS_RING_TBL_IDX 0x00010000
#define BNXT_FW_CAP_PCIE_STATS_SUPPORTED 0x00020000
#define BNXT_FW_CAP_EXT_STATS_SUPPORTED 0x00040000