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Message-Id: <1588582241-31066-5-git-send-email-michael.chan@broadcom.com>
Date: Mon, 4 May 2020 04:50:30 -0400
From: Michael Chan <michael.chan@...adcom.com>
To: davem@...emloft.net
Cc: netdev@...r.kernel.org,
Vasundhara Volam <vasundhara-v.volam@...adcom.com>
Subject: [PATCH net-next 04/15] bnxt_en: Do not include ETH_FCS_LEN in the max packet length sent to fw.
From: Vasundhara Volam <vasundhara-v.volam@...adcom.com>
The firmware does not expect the CRC to be included in the length
passed from the driver. The firmware always configures the chip
to strip out the CRC.
Signed-off-by: Vasundhara Volam <vasundhara-v.volam@...adcom.com>
Signed-off-by: Michael Chan <michael.chan@...adcom.com>
---
drivers/net/ethernet/broadcom/bnxt/bnxt.c | 3 +--
drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.c | 2 +-
2 files changed, 2 insertions(+), 3 deletions(-)
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
index 0cf41a1..5919f72 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
@@ -5045,8 +5045,7 @@ int bnxt_hwrm_vnic_cfg(struct bnxt *bp, u16 vnic_id)
req.dflt_ring_grp = cpu_to_le16(bp->grp_info[grp_idx].fw_grp_id);
req.lb_rule = cpu_to_le16(0xffff);
vnic_mru:
- req.mru = cpu_to_le16(bp->dev->mtu + ETH_HLEN + ETH_FCS_LEN +
- VLAN_HLEN);
+ req.mru = cpu_to_le16(bp->dev->mtu + ETH_HLEN + VLAN_HLEN);
req.vnic_id = cpu_to_le16(vnic->fw_vnic_id);
#ifdef CONFIG_BNXT_SRIOV
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.c
index 6ea3df6d..c883e88 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.c
@@ -651,7 +651,7 @@ static int bnxt_hwrm_func_cfg(struct bnxt *bp, int num_vfs)
FUNC_CFG_REQ_ENABLES_NUM_VNICS |
FUNC_CFG_REQ_ENABLES_NUM_HW_RING_GRPS);
- mtu = bp->dev->mtu + ETH_HLEN + ETH_FCS_LEN + VLAN_HLEN;
+ mtu = bp->dev->mtu + ETH_HLEN + VLAN_HLEN;
req.mru = cpu_to_le16(mtu);
req.mtu = cpu_to_le16(mtu);
--
2.5.1
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