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bnxt_en: Do not enable legacy TX push on older firmware.

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Older firmware may not support legacy TX push properly and may not
be disabling it.  So we check certain firmware versions that may
have this problem and disable legacy TX push unconditionally.

Fixes: c0c050c58d ("bnxt_en: New Broadcom ethernet driver.")
Reviewed-by: Edwin Peer <edwin.peer@broadcom.com>
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 2020-06-23 19:01:36 -04:00 committed by David S. Miller
parent d0ad2ea2bc
commit fed7edd181
2 changed files with 3 additions and 1 deletions
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3
drivers/net/ethernet/broadcom/bnxt/bnxt.c
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@ -6976,7 +6976,8 @@ static int __bnxt_hwrm_func_qcaps(struct bnxt *bp)
bp->fw_cap |= BNXT_FW_CAP_ERR_RECOVER_RELOAD;
bp->tx_push_thresh = 0;
if (flags & FUNC_QCAPS_RESP_FLAGS_PUSH_MODE_SUPPORTED)
if ((flags & FUNC_QCAPS_RESP_FLAGS_PUSH_MODE_SUPPORTED) &&
BNXT_FW_MAJ(bp) > 217)
bp->tx_push_thresh = BNXT_TX_PUSH_THRESH;
hw_resc->max_rsscos_ctxs = le16_to_cpu(resp->max_rsscos_ctx);

1
drivers/net/ethernet/broadcom/bnxt/bnxt.h
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@ -1749,6 +1749,7 @@ struct bnxt {
u64 fw_ver_code;
#define BNXT_FW_VER_CODE(maj, min, bld, rsv) \
((u64)(maj) << 48 | (u64)(min) << 32 | (u64)(bld) << 16 | (rsv))
#define BNXT_FW_MAJ(bp) ((bp)->fw_ver_code >> 48)
__be16 vxlan_port;
u8 vxlan_port_cnt;