meaning of some bnx2 driver stat

[Romel Khan]

What is the difference between rx_ftq_discards, rx_discards
and rx_fw_discards. How can it aid in troubleshooting when NIC is discarding
packet?

# sudo ethtool -S eth0|grep disca
     rx_ftq_discards: 0
     rx_discards: 0
     rx_fw_discards: 0

# ethtool -i eth0
driver: bnx2
version: 2.0.2
firmware-version: 5.2.2 NCSI 2.0.6
bus-info: 0000:10:00.0

# lspci|grep BCM
10:00.0 Ethernet controller: Broadcom Corporation NetXtreme II BCM5709S
Gigabit Ethernet (rev 20)
10:00.1 Ethernet controller: Broadcom Corporation NetXtreme II BCM5709S
Gigabit Ethernet (rev 20)