netdev - RE: does the broadcom bnx2x support RSS/multi queue

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <4A6A2125329CFD4D8CC40C9E8ABCAB9F2497D85DCD@MILEXCH2.ds.jdsu.net>
Date:	Wed, 12 May 2010 02:34:51 -0700
From:	Jon Zhou <Jon.Zhou@...u.com>
To:	"eilong@...adcom.com" <eilong@...adcom.com>,
	Eric Dumazet <eric.dumazet@...il.com>
CC:	"netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: RE: does the broadcom bnx2x support RSS/multi queue

hi eilon:

do you think I need to update the kernel also?

thanks!
jon

-----Original Message-----
From: Eilon Greenstein [mailto:eilong@...adcom.com] 
Sent: Wednesday, May 12, 2010 5:19 PM
To: Eric Dumazet
Cc: Jon Zhou; netdev@...r.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.