diff options
| author | Michael Chan <michael.chan@broadcom.com> | 2016-03-28 19:46:05 -0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2016-03-30 19:01:32 -0400 |
| commit | e6ef26991a46e20879bebb8298080eb7ceed4ae8 (patch) | |
| tree | 1111529d1b6e4cf4d3b619ae2aa0639c11a6ec3a /drivers | |
| parent | 33e52d888d0c84a0c66f13357a53113fd9710bd6 (diff) | |
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')
| -rw-r--r-- | drivers/net/ethernet/broadcom/bnxt/bnxt.c | 6 | ||||
| -rw-r--r-- | drivers/net/ethernet/broadcom/bnxt/bnxt.h | 2 |
2 files changed, 7 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; diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.h b/drivers/net/ethernet/broadcom/bnxt/bnxt.h index ec04c47172b7..709b95b8fcba 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.h +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.h @@ -477,6 +477,7 @@ struct rx_tpa_end_cmp_ext { #define RING_CMP(idx) ((idx) & bp->cp_ring_mask) #define NEXT_CMP(idx) RING_CMP(ADV_RAW_CMP(idx, 1)) +#define BNXT_HWRM_MAX_REQ_LEN (bp->hwrm_max_req_len) #define DFLT_HWRM_CMD_TIMEOUT 500 #define HWRM_CMD_TIMEOUT (bp->hwrm_cmd_timeout) #define HWRM_RESET_TIMEOUT ((HWRM_CMD_TIMEOUT) * 4) @@ -953,6 +954,7 @@ struct bnxt { dma_addr_t hw_tx_port_stats_map; int hw_port_stats_size; + u16 hwrm_max_req_len; int hwrm_cmd_timeout; struct mutex hwrm_cmd_lock; /* serialize hwrm messages */ struct hwrm_ver_get_output ver_resp; |