[dpdk-dev] [PATCH v2 03/12] net/bnxt: fix MTU setting

[Ajit Khaparde]

The HW can support maximum frame length of 9600 bytes.
And we are currently capping the max frame size to 9500 bytes.

Fixes: daef48efe5e5 ("net/bnxt: support set MTU")
Cc: sta...@dpdk.org

Signed-off-by: Ajit Khaparde <ajit.khapa...@broadcom.com>
---
 drivers/net/bnxt/bnxt.h        | 2 +-
 drivers/net/bnxt/bnxt_ethdev.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/bnxt/bnxt.h b/drivers/net/bnxt/bnxt.h
index 8aae0426a..8218635d6 100644
--- a/drivers/net/bnxt/bnxt.h
+++ b/drivers/net/bnxt/bnxt.h
@@ -20,7 +20,7 @@
 
 #include "bnxt_cpr.h"
 
-#define BNXT_MAX_MTU           9500
+#define BNXT_MAX_MTU           9578
 #define VLAN_TAG_SIZE          4
 #define BNXT_VF_RSV_NUM_RSS_CTX        1
 #define BNXT_VF_RSV_NUM_L2_CTX 4
diff --git a/drivers/net/bnxt/bnxt_ethdev.c b/drivers/net/bnxt/bnxt_ethdev.c
index 28e2be7e8..deaf8eea1 100644
--- a/drivers/net/bnxt/bnxt_ethdev.c
+++ b/drivers/net/bnxt/bnxt_ethdev.c
@@ -451,7 +451,7 @@ static void bnxt_dev_info_get_op(struct rte_eth_dev 
*eth_dev,
        /* Fast path specifics */
        dev_info->min_rx_bufsize = 1;
        dev_info->max_rx_pktlen = BNXT_MAX_MTU + ETHER_HDR_LEN + ETHER_CRC_LEN
-                                 + VLAN_TAG_SIZE;
+                                 + VLAN_TAG_SIZE * 2;
 
        dev_info->rx_offload_capa = BNXT_DEV_RX_OFFLOAD_SUPPORT;
        if (bp->flags & BNXT_FLAG_PTP_SUPPORTED)
-- 
2.17.1 (Apple Git-112)