Hi Sebastien, Thanks, really useful for servers equipped with several e1000e, bumpless restart of ethercat is great. Attached patch should automate the task (3.6.11.9 and later, I haven't looked older version)
Regards, Matthieu On 4/11/15, 3:24 AM, "etherlab-users on behalf of Sebastien BLANCHET" <etherlab-users-boun...@etherlab.org on behalf of blanc...@iram.fr> wrote: Hi, I have finally found an answer for an old question http://lists.etherlab.org/pipermail/etherlab-users/2011/001459.html The question was: In the context of running EtherCAT on a diskless computer with two identical Intel e100 network interfaces eth0 and eth1, How to run simultaneously the e100 driver on eth0 for the LAN, and the ec_e100 driver on eth1 for EtherCAT ?" The solution was explained in a Greg Kroah-Hartman's article https://lwn.net/Articles/143397/ Summary: - Find the PCI slots and actual kernel driver with "lspci -Dk" - Unbind manually the driver with procfs - Load another driver Example: ======== Find PCI slots and actual kernel driver # lspci -Dk 0000:01:06.0 Ethernet controller: Intel Corporation 8255xER/82551IT Fast Ethernet Controller (rev 10) Kernel driver in use: e100 0000:01:07.0 Ethernet controller: Intel Corporation 8255xER/82551IT Fast Ethernet Controller (rev 10) Kernel driver in use: e100 Unbind kernel driver e100 from device 0000:01:07.0 # echo -n "0000:01:07.0" > /sys/bus/pci/drivers/e100/unbind Load another driver # /sbin/modprobe ec_master main_devices=00:20:38:01:84:97 # /sbin/modprobe ec_e100 Check the new driver # lspci -Dk 0000:01:06.0 Ethernet controller: Intel Corporation 8255xER/82551IT Fast Ethernet Controller (rev 10) Kernel driver in use: e100 0000:01:07.0 Ethernet controller: Intel Corporation 8255xER/82551IT Fast Ethernet Controller (rev 10) Kernel driver in use: ec_e100 regards -- Sebastien BLANCHET _______________________________________________ etherlab-users mailing list etherlab-users@etherlab.org http://lists.etherlab.org/mailman/listinfo/etherlab-users
ethercatctl.in.patch
Description: ethercatctl.in.patch
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