net/bnxt: fix ping with MTU change

[dpdk.git] / drivers / net / bnxt / bnxt.h

diff --git a/drivers/net/bnxt/bnxt.h b/drivers/net/bnxt/bnxt.h
index e5bdf63..975bcf9 100644 (file)
--- a/drivers/net/bnxt/bnxt.h
+++ b/drivers/net/bnxt/bnxt.h
@@ -77,6 +77,9 @@
 #define BNXT_MAX_PKT_LEN       (BNXT_MAX_MTU + RTE_ETHER_HDR_LEN +\
                                 RTE_ETHER_CRC_LEN +\
                                 (BNXT_NUM_VLANS * VLAN_TAG_SIZE))
+/* FW adds extra 4 bytes for FCS */
+#define BNXT_VNIC_MRU(mtu)\
+       ((mtu) + RTE_ETHER_HDR_LEN + VLAN_TAG_SIZE * BNXT_NUM_VLANS)
 #define BNXT_VF_RSV_NUM_RSS_CTX        1
 #define BNXT_VF_RSV_NUM_L2_CTX 4
 /* TODO: For now, do not support VMDq/RFS on VFs. */