There are two same NICes, the setting of TSO is different on Fedora13alpha with kernel 2.6.34-rc5-git (HEAD:1ef6ce7a340f9ed139a73147ff9cf7ad56889414).
*Phenomenon*： (other setting are same, only tso is different) [r...@rhel ~]# ethtool -k eth0 tcp-segmentation-offload: *on* [r...@rhel ~]# ethtool -k eth1 tcp-segmentation-offload: *off* Is this a bug? Or does other reasons cause this? *Other Reference Info*： 1.dmesg e1000e 0000:0b:00.0: irq 59 for MSI/MSI-X ADDRCONF(NETDEV_UP): eth0: link is not ready e1000e: eth0 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: RX/TX ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready ADDRCONF(NETDEV_UP): eth1: link is not ready e1000e: eth1 NIC Link is Up 100 Mbps Full Duplex, Flow Control: RX/TX 0000:0b:00.1: eth1: 10/100 speed: disabling TSO ADDRCONF(NETDEV_CHANGE): eth1: link becomes ready 2. [r...@rhel ~]# lspci 0b:00.0 Ethernet controller: Intel Corporation 82571EB Gigabit Ethernet Controller (rev 06) 0b:00.1 Ethernet controller: Intel Corporation 82571EB Gigabit Ethernet Controller (rev 06) 3. [r...@rhel ~]# find /sys/bus/pci/drivers/ -name *0b:00.0* /sys/bus/pci/drivers/e1000e/0000:0b:00.0 [r...@rhel ~]# find /sys/bus/pci/drivers/ -name *0b:00.1* /sys/bus/pci/drivers/e1000e/0000:0b:00.1 ------------------------------------------------------------------------------ _______________________________________________ E1000-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/e1000-devel To learn more about Intel® Ethernet, visit http://communities.intel.com/community/wired
