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authorMichael Chan2016-03-29 01:46:05 +0200
committerDavid S. Miller2016-03-31 01:01:32 +0200
commite6ef26991a46e20879bebb8298080eb7ceed4ae8 (patch)
tree1111529d1b6e4cf4d3b619ae2aa0639c11a6ec3a /drivers/net/ethernet/broadcom/bnxt/bnxt.c
parentbnxt_en: Initialize CP doorbell value before ring allocation (diff)
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bnxt_en: Implement proper firmware message padding.
The size of every padded firmware message is specified in the first HWRM_VER_GET response message. Use this value to pad every message after that. Signed-off-by: Michael Chan <michael.chan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/broadcom/bnxt/bnxt.c')
-rw-r--r--drivers/net/ethernet/broadcom/bnxt/bnxt.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
index c92053c8b2cc..4600a05a1d7d 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
@@ -2653,7 +2653,7 @@ static int bnxt_hwrm_do_send_msg(struct bnxt *bp, void *msg, u32 msg_len,
/* 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)
+ for (i = msg_len; i < BNXT_HWRM_MAX_REQ_LEN; i += 4)
writel(0, bp->bar0 + i);
/* currently supports only one outstanding message */
@@ -3830,6 +3830,7 @@ static int bnxt_hwrm_ver_get(struct bnxt *bp)
struct hwrm_ver_get_input req = {0};
struct hwrm_ver_get_output *resp = bp->hwrm_cmd_resp_addr;
+ bp->hwrm_max_req_len = HWRM_MAX_REQ_LEN;
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_VER_GET, -1, -1);
req.hwrm_intf_maj = HWRM_VERSION_MAJOR;
req.hwrm_intf_min = HWRM_VERSION_MINOR;
@@ -3855,6 +3856,9 @@ static int bnxt_hwrm_ver_get(struct bnxt *bp)
if (!bp->hwrm_cmd_timeout)
bp->hwrm_cmd_timeout = DFLT_HWRM_CMD_TIMEOUT;
+ if (resp->hwrm_intf_maj >= 1)
+ bp->hwrm_max_req_len = le16_to_cpu(resp->max_req_win_len);
+
hwrm_ver_get_exit:
mutex_unlock(&bp->hwrm_cmd_lock);
return rc;