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bnxt_en: Zero pad firmware messages to 128 bytes. 

For future compatibility, zero pad all messages that the driver sends
to the firmware to 128 bytes.  If these messages are extended in the
future with new byte enables, zero padding these messages now will
guarantee future compatibility.

Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Michael Chan 2016-01-07 19:56:57 -05:00 committed by David S. Miller
parent 1f211a1b92
commit d79979a103
1 changed files with 3 additions and 0 deletions
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3
drivers/net/ethernet/broadcom/bnxt/bnxt.c
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@ -2614,6 +2614,9 @@ int _hwrm_send_message(struct bnxt *bp, void *msg, u32 msg_len, int timeout)
/* Write request msg to hwrm channel */
__iowrite32_copy(bp->bar0, data, msg_len / 4);
for (i = msg_len; i < HWRM_MAX_REQ_LEN; i += 4)
writel(0, bp->bar0 + i);
/* currently supports only one outstanding message */
if (intr_process)
bp->hwrm_intr_seq_id = le32_to_cpu(req->target_id_seq_id) &