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  PHC 
Open Source and information security mailing list archives
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [day] [month] [year] [list]
Date:	Tue, 03 Apr 2007 22:31:40 -0400
From:	Jeff Garzik <>
To:	Bill Helfinstine <>
Subject: Re: [PATCH 2.6.21-rc5] b44: fix IFF_ALLMULTI handling of CAM slots

Bill Helfinstine wrote:
> If you set the IFF_ALLMULTI flag on a b44 device, or if you join more than
> B44_MCAST_TABLE_SIZE multicast groups, the device will stop receiving unicast
> messages.  This is because the __b44_set_mac_addr call sets the zeroth CAM
> entry to the MAC address of the device, and then the loop at line 1722
> proceeds to overwrite it unless the value of i is set by the __b44_load_mcast
> call.  However, when IFF_ALLMULTI is set, that call is bypassed, leaving i set
> to zero.  
> Fixed by starting the loop at 1 to make it skip the CAM entry for the MAC
> address.
> Signed-off-by: Bill Helfinstine <>


To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to
More majordomo info at

Powered by blists - more mailing lists