Messages in this thread | | | Date | Mon, 19 Dec 2011 10:37:13 -0800 | Subject | Re: drivers/net/usb/asix: strange numeration of eth interfaces | From | Grant Grundler <> |
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+Freddy Xin, Mark Lord, +netdev
On Sun, Dec 18, 2011 at 11:43 PM, Igor Egorkin <igor@egorkin.ru> wrote: > Hello! > > $ uname -a > Linux 2.6.32-5-amd64 #1 SMP Thu Nov 3 03:41:26 UTC 2011 x86_64 GNU/Linux > > $ cat /etc/debian_version > 6.0.3 > > $ lsusb|grep -i asix > Bus 004 Device 014: ID 0b95:772b ASIX Electronics Corp. > > > 1) Driver asix.c from linux-3.2-rc6. > asix.c little modified for compiling in 2.6.32 . Diff is at the end of message.
Hi Igor! The goal(s) of your email/patch aren't 100% clear to me.
Is the main goal to provide a backport of 3.2-rc6 asix.c driver to pre-2.6.35 kernels?
(If so - thanks! I'm sure someone can make use of it.)
Why the comparison to ASIX v4.2.0 driver?
cheers, grant
> Adapter inserted to USB connector: > Dec 18 20:03:24 kernel: [492657.344037] usb 4-2: new high speed USB device using ehci_hcd and address 12 > Dec 18 20:03:24 kernel: [492657.489541] usb 4-2: New USB device found, idVendor=0b95, idProduct=772b > Dec 18 20:03:24 kernel: [492657.489545] usb 4-2: New USB device strings: Mfr=1, Product=2, SerialNumber=3 > Dec 18 20:03:24 kernel: [492657.489548] usb 4-2: Product: AX88772B > Dec 18 20:03:24 kernel: [492657.489550] usb 4-2: Manufacturer: ASIX Elec. Corp. > Dec 18 20:03:24 kernel: [492657.489552] usb 4-2: SerialNumber: 000001 > Dec 18 20:03:24 kernel: [492657.489661] usb 4-2: configuration #1 chosen from 1 choice > Dec 18 20:03:24 kernel: [492657.802645] eth1: register 'asix' at usb-0000:01:00.2-2, ASIX AX88772 USB 2.0 Ethernet, 00:60:6e:01:0e:99 > > # ethtool -i eth1 > Cannot get driver information: No such device > > # ethtool -i eth2 > driver: asix > version: 08-Nov-2011 > firmware-version: ASIX AX88772 USB 2.0 Ethernet > bus-info: usb-0000:01:00.2-2 > > $ ip addr ls dev eth1 > Device "eth1" does not exist. > > $ ip addr ls dev eth2 > 77: eth2: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN qlen 1000 > link/ether 00:60:6e:01:0e:99 brd ff:ff:ff:ff:ff:ff > > Adapter removed from USB connector: > Dec 18 20:40:58 kernel: [494911.485333] usb 4-2: USB disconnect, address 12 > Dec 18 20:40:58 kernel: [494911.485426] eth2: unregister 'asix' usb-0000:01:00.2-2, ASIX AX88772 USB 2.0 Ethernet > > > > 2) Driver AX88772B_772A_760_772_178_LINUX_Driver_v4.2.0_Source.zip from asix.com.tw . Unmodified. > Problem is the same. > > Adapter inserted to USB connector: > Dec 18 20:42:53 kernel: [495026.620036] usb 4-2: new high speed USB device using ehci_hcd and address 13 > Dec 18 20:42:53 kernel: [495026.765514] usb 4-2: New USB device found, idVendor=0b95, idProduct=772b > Dec 18 20:42:53 kernel: [495026.765519] usb 4-2: New USB device strings: Mfr=1, Product=2, SerialNumber=3 > Dec 18 20:42:53 kernel: [495026.765522] usb 4-2: Product: AX88772B > Dec 18 20:42:53 kernel: [495026.765523] usb 4-2: Manufacturer: ASIX Elec. Corp. > Dec 18 20:42:53 kernel: [495026.765525] usb 4-2: SerialNumber: 000001 > Dec 18 20:42:53 kernel: [495026.765639] usb 4-2: configuration #1 chosen from 1 choice > Dec 18 20:42:54 kernel: [495027.399871] ASIX USB Ethernet Adapter:v4.2.0 20:17:18 Dec 17 2011 > Dec 18 20:42:54 kernel: [495027.399873] <6> http://www.asix.com.tw > Dec 18 20:42:54 kernel: [495027.399877] eth%d: status ep1in, 8 bytes period 11 > Dec 18 20:42:54 kernel: [495027.400873] eth1: register 'asix' at usb-0000:01:00.2-2, ASIX AX88772B USB 2.0 Ethernet, 00:60:6e:01:0e:99 > > $ ip addr ls dev eth1 > Device "eth1" does not exist. > > $ ip addr ls dev eth2 > 78: eth2: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN qlen 1000 > link/ether 00:60:6e:01:0e:99 brd ff:ff:ff:ff:ff:ff > > > # ethtool -i eth1 > Cannot get driver information: No such device > > # ethtool -i eth2 > driver: asix > version: 22-Aug-2005 > firmware-version: ASIX AX88772B USB 2.0 Ethernet > bus-info: usb-0000:01:00.2-2 > > Adapter removed from USB connector: > Dec 18 20:44:41 kernel: [495134.784792] usb 4-2: USB disconnect, address 13 > Dec 18 20:44:41 kernel: [495134.784882] eth2: unregister 'asix' usb-0000:01:00.2-2, ASIX AX88772B USB 2.0 Ethernet > > > > =============================================================================================================== > > > For compiling asix.c in 2.6.32 i do modification (i take it from AX88772B_772A_760_772_178_LINUX_Driver_v4.2.0_Source.zip): > > > $ diff -ruN asix.c.from_linux-3.2-rc6 asix.c > --- asix.c.from_linux-3.2-rc6 2011-12-17 06:36:26.000000000 +0400 > +++ asix.c 2011-12-18 20:00:46.000000000 +0400 > @@ -22,7 +22,7 @@ > > // #define DEBUG // error path messages, extra info > // #define VERBOSE // more; success messages > - > +#include <linux/version.h> > #include <linux/module.h> > #include <linux/kmod.h> > #include <linux/init.h> > @@ -593,8 +593,24 @@ > * for our 8 byte filter buffer > * to avoid allocating memory that > * is tricky to free later */ > - struct netdev_hw_addr *ha; > u32 crc_bits; > +#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,35) > + struct dev_mc_list *mc_list = net->mc_list; > + int i; > + > + memset(data->multi_filter, 0, AX_MCAST_FILTER_SIZE); > + > + /* Build the multicast hash filter. */ > + for (i = 0; i < net->mc_count; i++) { > + crc_bits = > + ether_crc(ETH_ALEN, > + mc_list->dmi_addr) >> 26; > + data->multi_filter[crc_bits >> 3] |= > + 1 << (crc_bits & 7); > + mc_list = mc_list->next; > + } > +#else > + struct netdev_hw_addr *ha; > > memset(data->multi_filter, 0, AX_MCAST_FILTER_SIZE); > > @@ -604,7 +620,7 @@ > data->multi_filter[crc_bits >> 3] |= > 1 << (crc_bits & 7); > } > - > +#endif > asix_write_cmd_async(dev, AX_CMD_WRITE_MULTI_FILTER, 0, 0, > AX_MCAST_FILTER_SIZE, data->multi_filter); > > @@ -827,18 +843,33 @@ > * for our 8 byte filter buffer > * to avoid allocating memory that > * is tricky to free later */ > - struct netdev_hw_addr *ha; > u32 crc_bits; > +#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,35) > + struct dev_mc_list *mc_list = net->mc_list; > + int i; > > memset(data->multi_filter, 0, AX_MCAST_FILTER_SIZE); > > /* Build the multicast hash filter. */ > + for (i = 0; i < net->mc_count; i++) { > + crc_bits = > + ether_crc(ETH_ALEN, > + mc_list->dmi_addr) >> 26; > + data->multi_filter[crc_bits >> 3] |= > + 1 << (crc_bits & 7); > + mc_list = mc_list->next; > + } > +#else > + struct netdev_hw_addr *ha; > + memset(data->multi_filter, 0, AX_MCAST_FILTER_SIZE); > + > + /* Build the multicast hash filter. */ > netdev_for_each_mc_addr(ha, net) { > crc_bits = ether_crc(ETH_ALEN, ha->addr) >> 26; > data->multi_filter[crc_bits >> 3] |= > 1 << (crc_bits & 7); > } > - > +#endif > asix_write_cmd_async(dev, AX_CMD_WRITE_MULTI_FILTER, 0, 0, > AX_MCAST_FILTER_SIZE, data->multi_filter); > > > > ============================================================================================== > > > Thank you! > -- > Igor E. > > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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