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authorMichael Chan2016-01-07 19:56:57 -0500
committerDavid S. Miller2016-01-10 22:19:19 -0500
commitd79979a103f7820d3107cdc04096e87b37f90008 (patch)
tree2de84ff6a35011d7f3573a1f60f17e8a866c899c /drivers/net
parent1f211a1b929c804100e138c5d3d656992cfd5622 (diff)
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>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/ethernet/broadcom/bnxt/bnxt.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
index f9569493034b..287bfb79ea2d 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
@@ -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) &