RE: does the broadcom bnx2x support RSS/multi queue

Jon Zhou
2010-05-12T09:35:04Z

hi eilon:

do you think I need to update the kernel also?

thanks!
jon

-----Original Message-----
From: Eilon Greenstein [mailto:eilong@broadcom.com]
Sent: Wednesday, May 12, 2010 5:19 PM
To: Eric Dumazet
Cc: Jon Zhou; netdev@vger.kernel.org
Subject: Re: does the broadcom bnx2x support RSS/multi queue

On Wed, 2010-05-12 at 00:41 -0700, Eric Dumazet wrote:
> Le mercredi 12 mai 2010 à 00:31 -0700, Jon Zhou a écrit :
> > hi there
> >
> > I am not sure if my Broadcom 10G nic driver(bnx2x) support RSS/multi queue
> >
> > ibm-bc-53:/home/ruizhou/nprobe # uname -a
> > Linux ibm-bc-53 2.6.27.19-5-default #1 SMP 2009-02-28 04:40:21 +0100 x86_64 x86_64 x86_64 GNU/Linux
> >
> > ibm-bc-53:/home/ruizhou/nprobe # ethtool -S eth5
> > NIC statistics:
> > rx_bytes: 68100170
> > rx_error_bytes: 0
> > tx_bytes: 0
> > tx_error_bytes: 0
> > rx_ucast_packets: 201654
> > rx_mcast_packets: 0
> > rx_bcast_packets: 0
> > tx_packets: 0
> > tx_mac_errors: 0
> > tx_carrier_errors: 0
> > rx_crc_errors: 0
> > rx_align_errors: 0
> > tx_single_collisions: 0
> > tx_multi_collisions: 0
> > tx_deferred: 0
> > tx_excess_collisions: 0
> > tx_late_collisions: 0
> > tx_total_collisions: 0
> > rx_fragments: 0
> > rx_jabbers: 0
> > rx_undersize_packets: 0
> > rx_oversize_packets: 0
> > tx_64_byte_packets: 0
> > tx_65_to_127_byte_packets: 0
> > tx_128_to_255_byte_packets: 0
> > tx_256_to_511_byte_packets: 0
> > tx_512_to_1023_byte_packets: 0
> > tx_1024_to_1522_byte_packets: 0
> > tx_1523_to_9022_byte_packets: 0
> > rx_xon_frames: 0
> > rx_xoff_frames: 0
> > tx_xon_frames: 0
> > tx_xoff_frames: 0
> > rx_mac_ctrl_frames: 0
> > rx_filtered_packets: 0
> > rx_discards: 0
> > rx_fw_discards: 0
> > brb_discard: 0
> > brb_truncate: 0
> > rx_phy_ip_err_discards: 0
> > rx_skb_alloc_discard: 0
> > rx_csum_offload_errors: 6
> >
> > the driver ver is:
> > bnx2x_main.c
> > #define DRV_MODULE_VERSION "1.45.26"
> >
> > looks not support?
> >
> > thanks
> > jon
>
> Per queue stats were added last year only (Thu Feb 12 08:36:33 2009)
>
> You might check "grep eth5 /proc/interrupts"
>
> Or upgrade to 2.6.33.x kernel :)
>
The HW and current driver support multi-queue. However, you are using a version which is too old.