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118 lines
4.0 KiB
118 lines
4.0 KiB
From bbe3117afaa0ff9fca4b8691a7f138c5c609c8f9 Mon Sep 17 00:00:00 2001
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From: Jonathan Toppins <jtoppins@redhat.com>
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Date: Wed, 2 Oct 2019 18:22:40 -0400
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Subject: [PATCH 25/96] [netdrv] bnxt_en: Query firmware capability to support
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aRFS on 57500 chips
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Message-id: <76a89a755982ba153852e5f3c8364a30c283f28c.1570027456.git.jtoppins@redhat.com>
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Patchwork-id: 276446
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O-Subject: [RHEL-8.2 PATCH 18/78] bnxt_en: Query firmware capability to support aRFS on 57500 chips.
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Bugzilla: 1724766
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RH-Acked-by: John Linville <linville@redhat.com>
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RH-Acked-by: Jarod Wilson <jarod@redhat.com>
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Query support for the aRFS ring table index in the firmware.
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Signed-off-by: Michael Chan <michael.chan@broadcom.com>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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(cherry picked from commit e969ae5bbfcf48e3ff2d159870453121d5a8441d)
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Bugzilla: 1724766
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Build Info: https://brewweb.engineering.redhat.com/brew/taskinfo?taskID=23809532
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Tested: build, boot, basic ping
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Signed-off-by: Jonathan Toppins <jtoppins@redhat.com>
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Signed-off-by: Bruno Meneguele <bmeneg@redhat.com>
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---
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drivers/net/ethernet/broadcom/bnxt/bnxt.c | 43 ++++++++++++++++++++++++++++++-
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drivers/net/ethernet/broadcom/bnxt/bnxt.h | 2 ++
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2 files changed, 44 insertions(+), 1 deletion(-)
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Index: src/drivers/net/ethernet/broadcom/bnxt/bnxt.c
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===================================================================
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--- src.orig/drivers/net/ethernet/broadcom/bnxt/bnxt.c 2020-02-06 16:23:13.520533254 +0100
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+++ src/drivers/net/ethernet/broadcom/bnxt/bnxt.c 2020-02-06 16:23:13.662531951 +0100
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@@ -6636,6 +6636,34 @@
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return 0;
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}
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+static int bnxt_hwrm_cfa_adv_flow_mgnt_qcaps(struct bnxt *bp)
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+{
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+ struct hwrm_cfa_adv_flow_mgnt_qcaps_input req = {0};
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+ struct hwrm_cfa_adv_flow_mgnt_qcaps_output *resp;
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+ int rc = 0;
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+ u32 flags;
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+
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+ if (!(bp->fw_cap & BNXT_FW_CAP_CFA_ADV_FLOW))
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+ return 0;
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+
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+ resp = bp->hwrm_cmd_resp_addr;
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+ bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_CFA_ADV_FLOW_MGNT_QCAPS, -1, -1);
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+
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+ mutex_lock(&bp->hwrm_cmd_lock);
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+ rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
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+ if (rc)
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+ goto hwrm_cfa_adv_qcaps_exit;
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+
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+ flags = le32_to_cpu(resp->flags);
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+ if (flags &
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+ CFA_ADV_FLOW_MGNT_QCAPS_RESP_FLAGS_RFS_RING_TBL_IDX_SUPPORTED)
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+ bp->fw_cap |= BNXT_FW_CAP_CFA_RFS_RING_TBL_IDX;
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+
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+hwrm_cfa_adv_qcaps_exit:
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+ mutex_unlock(&bp->hwrm_cmd_lock);
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+ return rc;
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+}
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+
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static int bnxt_hwrm_func_reset(struct bnxt *bp)
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{
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struct hwrm_func_reset_input req = {0};
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@@ -6768,6 +6796,10 @@
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VER_GET_RESP_DEV_CAPS_CFG_TRUSTED_VF_SUPPORTED)
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bp->fw_cap |= BNXT_FW_CAP_TRUSTED_VF;
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+ if (dev_caps_cfg &
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+ VER_GET_RESP_DEV_CAPS_CFG_CFA_ADV_FLOW_MGNT_SUPPORTED)
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+ bp->fw_cap |= BNXT_FW_CAP_CFA_ADV_FLOW;
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+
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hwrm_ver_get_exit:
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mutex_unlock(&bp->hwrm_cmd_lock);
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return rc;
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@@ -9075,8 +9107,11 @@
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/* If the chip and firmware supports RFS */
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static bool bnxt_rfs_supported(struct bnxt *bp)
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{
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- if (bp->flags & BNXT_FLAG_CHIP_P5)
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+ if (bp->flags & BNXT_FLAG_CHIP_P5) {
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+ if (bp->fw_cap & BNXT_FW_CAP_CFA_RFS_RING_TBL_IDX)
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+ return true;
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return false;
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+ }
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if (BNXT_PF(bp) && !BNXT_CHIP_TYPE_NITRO_A0(bp))
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return true;
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if (bp->flags & BNXT_FLAG_NEW_RSS_CAP)
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@@ -10688,6 +10723,12 @@
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rc = -1;
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goto init_err_pci_clean;
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}
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+
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+ rc = bnxt_hwrm_cfa_adv_flow_mgnt_qcaps(bp);
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+ if (rc)
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+ netdev_warn(bp->dev, "hwrm query adv flow mgnt failure rc: %d\n",
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+ rc);
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+
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rc = bnxt_init_mac_addr(bp);
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if (rc) {
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dev_err(&pdev->dev, "Unable to initialize mac address.\n");
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Index: src/drivers/net/ethernet/broadcom/bnxt/bnxt.h
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===================================================================
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--- src.orig/drivers/net/ethernet/broadcom/bnxt/bnxt.h 2020-02-06 16:23:13.520533254 +0100
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+++ src/drivers/net/ethernet/broadcom/bnxt/bnxt.h 2020-02-06 16:23:13.662531951 +0100
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@@ -1485,6 +1485,8 @@
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#define BNXT_FW_CAP_OVS_64BIT_HANDLE 0x00000400
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#define BNXT_FW_CAP_TRUSTED_VF 0x00000800
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#define BNXT_FW_CAP_PKG_VER 0x00004000
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+ #define BNXT_FW_CAP_CFA_ADV_FLOW 0x00008000
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+ #define BNXT_FW_CAP_CFA_RFS_RING_TBL_IDX 0x00010000
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#define BNXT_FW_CAP_PCIE_STATS_SUPPORTED 0x00020000
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#define BNXT_FW_CAP_EXT_STATS_SUPPORTED 0x00040000
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