Le dimanche 05 décembre 2010 à 03:07 +0100, Michael Leun a écrit : > On Wed, 01 Dec 2010 11:55:14 +0100 > Eric Dumazet <[email protected]> wrote: > > > Le mercredi 01 décembre 2010 à 11:17 +0100, Michael Leun a écrit : > > > > > Yup, from what I've tested this works (and tcpdump sees broadcast > > > packets even for vlans not configured at the moment including vlan > > > tag > > > - yipee!). > > > > > This was tested on machine with > r...@tp_z61m:~/src/tcpdump-4.1.1# lspci|grep Eth > 02:00.0 Ethernet controller: Broadcom Corporation NetXtreme BCM5752M Gigabit > Ethernet PCI Express (rev 02) > > There it works as I said. > > But on > > hpdl320g5:/home/ml # lspci | grep Eth > 03:04.0 Ethernet controller: Broadcom Corporation NetXtreme BCM5714 Gigabit > Ethernet (rev a3) > 03:04.1 Ethernet controller: Broadcom Corporation NetXtreme BCM5714 Gigabit > Ethernet (rev a3) > > the good message is that it also does not crash, but with tcpdump I see > vlan tags when no vlan devices configured on the respective eth, if so > I do not see tags anymore vlan tags on the trunk interface. >
For all these very specific needs, you'll have to try 2.6.37 I am afraid. Jesse did huge changes to exactly make this working, we wont backport this to 2.6.36, but only avoid crashes. > hpdl320g5:/home/ml # ifconfig -a > [...] > eth1 Link encap:Ethernet Hardware Adresse xx:xx:xx:xx:xx:xx > UP BROADCAST MULTICAST MTU:1500 Metric:1 > RX packets:0 errors:0 dropped:0 overruns:0 frame:0 > TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 > collisions:0 Sendewarteschlangenlänge:1000 > RX bytes:0 (0.0 b) TX bytes:0 (0.0 b) > Interrupt:17 > [...] > > hpdl320g5:/home/ml # tcpdump -i eth1 -n -e > tcpdump: WARNING: eth1: no IPv4 address assigned > tcpdump: verbose output suppressed, use -v or -vv for full protocol decode > listening on eth1, link-type EN10MB (Ethernet), capture size 96 bytes > [...] > 02:45:57.597640 xx:xx:xx:xx:xx:xx > ff:ff:ff:ff:ff:ff, ethertype 802.1Q > (0x8100), length 64: vlan 1505, p 0, ethertype 802.1Q, vlan 99, p 3, > ethertype ARP, arp who-has 10.0.0.1 tell 10.0.0.2 > 02:45:57.622654 xx:xx:xx:xx:xx:xx > ff:ff:ff:ff:ff:ff, ethertype 802.1Q > (0x8100), length 64: vlan 1505, p 0, ethertype 802.1Q, vlan 99, p 3, > ethertype ARP, arp who-has 10.0.0.1 tell 10.0.0.2 > [...] > > hpdl320g5:/home/ml # vconfig add eth1 2 > WARNING: Could not open /proc/net/vlan/config. Maybe you need to load the > 8021q module, or maybe you are not using PROCFS?? > Added VLAN with VID == 2 to IF -:eth1:- > hpdl320g5:/home/ml # cat /proc/net/vlan/config > VLAN Dev name | VLAN ID > Name-Type: VLAN_NAME_TYPE_RAW_PLUS_VID_NO_PAD > eth1.2 | 2 | eth1 > hpdl320g5:/home/ml # tcpdump -i eth1 -n -e > tcpdump: WARNING: eth1: no IPv4 address assigned > tcpdump: verbose output suppressed, use -v or -vv for full protocol decode > listening on eth1, link-type EN10MB (Ethernet), capture size 96 bytes > [...] > 02:50:18.095959 xx:xx:xx:xx:xx:xx > ff:ff:ff:ff:ff:ff, ethertype 802.1Q > (0x8100), length 60: vlan 99, p 3, ethertype ARP, arp who-has 10.0.0.1 tell > 10.0.0.2 > 02:50:18.120989 xx:xx:xx:xx:xx:xx > ff:ff:ff:ff:ff:ff, ethertype 802.1Q > (0x8100), length 60: vlan 99, p 3, ethertype ARP, arp who-has 10.0.0.1 tell > 10.0.0.2 > [...] > > The same packages we saw double vlan tagged a few minutes ago now appear > single vlan tagged (and of course, other packets that were shown single vlan > tagged before are now shown without vlan tag / eth type 0x0800). > > > On the other machine: > > r...@tp_z61m:~# cat /proc/net/vlan/config > VLAN Dev name | VLAN ID > Name-Type: VLAN_NAME_TYPE_RAW_PLUS_VID_NO_PAD > eth0.741 | 741 | eth0 > eth0.2 | 2 | eth0 > r...@tp_z61m:~/src/tcpdump-4.1.1# ./tcpdump -i eth0 -n -e not port 22 > tcpdump: WARNING: eth0: no IPv4 address assigned > tcpdump: verbose output suppressed, use -v or -vv for full protocol decode > listening on eth0, link-type EN10MB (Ethernet), capture size 65535 bytes > 03:06:51.859016 xx:xx:xx:xx:xx:xx > ff:ff:ff:ff:ff:ff, ethertype 802.1Q > (0x8100), length 64: vlan 1505, p 0, ethertype 802.1Q, vlan 99, p 3, > ethertype ARP, Request who-has 10.0.0.1 tell 10.0.0.2, length 42 > 03:06:51.883956 xx:xx:xx:xx:xx:xx > ff:ff:ff:ff:ff:ff, ethertype 802.1Q > (0x8100), length 64: vlan 1505, p 0, ethertype 802.1Q, vlan 99, p 3, > ethertype ARP, Request who-has 10.0.0.1 tell 10.0.0.2, length 42 > > > > [...] > > Here is the revised patch again then for stable team, via David Miller > > agreement. > [...] > _______________________________________________ stable mailing list [email protected] http://linux.kernel.org/mailman/listinfo/stable
