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Date: Sun, 7 Sep 2008 14:30:26 +0300 From: Eli Cohen <eli@....mellanox.co.il> To: Rami Rosen <roszenrami@...il.com> Cc: netdev@...r.kernel.org Subject: Re: add/delete VLANs programatically On Sun, Sep 07, 2008 at 01:58:20PM +0300, Rami Rosen wrote: Hi Rami. V> Hi, > -It seems to me that it is possible. > > - If you look at the ordinary way in which user space add/deletes > VLAN, you will see that this is performed by ioctls (SIOCSIFVLAN for > adding /removing with ADD_VLAN_CMD or DEL_VLAN_CMD). > - It is in performed by user space vconfig - VLAN (802.1q) > configuration program. > > - When looking at how these IOCTLs are handled in the kernel, you > will see that this is done by vlan_ioctl_handler() in net/8021q/vlan.c. > > -If you look there, you will see that eventually adding a vlan is > done in the kernel by > register_vlan_device(net_device, VLAN ID); > end deleing a vlan is done in the kernel by calling > unregister_vlan_dev(net_device) > > So it seems to me possible, though I did not try it. I saw these functions but they're not exported to kernel modules so it seems that I won't be able to use them from a kernel module. -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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