diff mbox

[dpdk-dev,27/53] net/sfc/base: use MCDIv2 for requests with too long response

Message ID 1510819481-6809-28-git-send-email-arybchenko@solarflare.com (mailing list archive)
State Accepted, archived
Delegated to: Ferruh Yigit
Headers

Checks

Context Check Description
ci/checkpatch success coding style OK
ci/Intel-compilation success Compilation OK

Commit Message

Andrew Rybchenko Nov. 16, 2017, 8:04 a.m. UTC 
  From: Mark Spender <mspender@solarflare.com>

Use MCDIv2 for requests with a response size too long for MCDIv1.

Required for MC_CMD_MAC_STATS to reports the stats without using DMA.

Signed-off-by: Mark Spender <mspender@solarflare.com>
Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
---
 drivers/net/sfc/base/efx_mcdi.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
diff mbox

Patch

diff --git a/drivers/net/sfc/base/efx_mcdi.c b/drivers/net/sfc/base/efx_mcdi.c
index c61b943..888a47b 100644
--- a/drivers/net/sfc/base/efx_mcdi.c
+++ b/drivers/net/sfc/base/efx_mcdi.c
@@ -290,7 +290,8 @@  efx_mcdi_request_start(
 	 */
 	if ((max_version >= 2) &&
 	    ((emrp->emr_cmd > MC_CMD_CMD_SPACE_ESCAPE_7) ||
-	    (emrp->emr_in_length > MCDI_CTL_SDU_LEN_MAX_V1))) {
+	    (emrp->emr_in_length > MCDI_CTL_SDU_LEN_MAX_V1) ||
+	    (emrp->emr_out_length > MCDI_CTL_SDU_LEN_MAX_V1))) {
 		/* Construct MCDI v2 header */
 		hdr_len = sizeof (hdr);
 		EFX_POPULATE_DWORD_8(hdr[0],