| Age | Commit message (Collapse) | Author | Files | Lines |
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Allow ARPHRD_NONE interfaces to be added to ovs bridge.
Based on previous versions by Lorand Jakab and Simon Horman.
Signed-off-by: Lorand Jakab <lojakab@cisco.com>
Signed-off-by: Simon Horman <simon.horman@netronome.com>
Signed-off-by: Jiri Benc <jbenc@redhat.com>
Acked-by: Pravin B Shelar <pshelar@ovn.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Some symbols exported to other modules are really used only by
openvswitch.ko. Remove the exports.
Tested by loading all 4 openvswitch modules, nothing breaks.
Signed-off-by: Jiri Benc <jbenc@redhat.com>
Acked-by: Pravin B Shelar <pshelar@ovn.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Replace individual implementations with the recently introduced
skb_postpush_rcsum() helper.
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Tom Herbert <tom@herbertland.com>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Conflicts:
drivers/net/ethernet/renesas/ravb_main.c
kernel/bpf/syscall.c
net/ipv4/ipmr.c
All three conflicts were cases of overlapping changes.
Signed-off-by: David S. Miller <davem@davemloft.net>
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Each openvswitch tunnel vport (vxlan,gre,geneve) holds a reference
to the underlying tunnel device, but never released it when such
device is deleted.
Deleting the underlying device via the ip tool cause the kernel to
hangup in the netdev_wait_allrefs() loop.
This commit ensure that on device unregistration dp_detach_port_notify()
is called for all vports that hold the device reference, properly
releasing it.
Fixes: 614732eaa12d ("openvswitch: Use regular VXLAN net_device device")
Fixes: b2acd1dc3949 ("openvswitch: Use regular GRE net_device instead of vport")
Fixes: 6b001e682e90 ("openvswitch: Use Geneve device.")
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Acked-by: Flavio Leitner <fbl@sysclose.org>
Acked-by: Pravin B Shelar <pshelar@nicira.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Sometimes the drivers and other code would find it handy to know some
internal information about upper device being changed. So allow upper-code
to pass information down to notifier listeners during linking.
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Eliminate netdev_master_upper_dev_link_private and pass priv directly as
a parameter of netdev_master_upper_dev_link.
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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With use of lwtunnel, we can directly call dev_queue_xmit()
rather than calling netdev vport send operation.
Following change make tunnel vport code bit cleaner.
Signed-off-by: Pravin B Shelar <pshelar@nicira.com>
Acked-by: Thomas Graf <tgraf@suug.ch>
Acked-by: Jiri Benc <jbenc@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Since all vport types are now backed by netdev, we can directly
use netdev stats. Following patch removes redundant stat
from vport.
Signed-off-by: Pravin B Shelar <pshelar@nicira.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Currently, the lwtunnel state resides in per-protocol data. This is
a problem if we encapsulate ipv6 traffic in an ipv4 tunnel (or vice versa).
The xmit function of the tunnel does not know whether the packet has been
routed to it by ipv4 or ipv6, yet it needs the lwtstate data. Moving the
lwtstate data to dst_entry makes such inter-protocol tunneling possible.
As a bonus, this brings a nice diffstat.
Signed-off-by: Jiri Benc <jbenc@redhat.com>
Acked-by: Roopa Prabhu <roopa@cumulusnetworks.com>
Acked-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This function will be used in gre and geneve vport implementations.
Signed-off-by: Pravin B Shelar <pshelar@nicira.com>
Acked-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This readds the config option CONFIG_OPENVSWITCH_VXLAN to avoid a
hard dependency of OVS on VXLAN. It moves the VXLAN config compat
code to vport-vxlan.c and allows compliation as a module.
Fixes: 614732eaa12d ("openvswitch: Use regular VXLAN net_device device")
Fixes: 2661371ace96 ("openvswitch: fix compilation when vxlan is a module")
Cc: Pravin B Shelar <pshelar@nicira.com>
Cc: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: Thomas Graf <tgraf@suug.ch>
Acked-by: Pravin B Shelar <pshelar@nicira.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Retrieve the tunnel metadata for packets received by a net_device and
provide it to ovs_vport_receive() for flow key extraction.
[This hunk was in the GRE patch in the initial series and missed the
cut for the initial submission for merging.]
Fixes: 614732eaa12d ("openvswitch: Use regular VXLAN net_device device")
Signed-off-by: Thomas Graf <tgraf@suug.ch>
Acked-by: Pravin B Shelar <pshelar@nicira.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This gets rid of all OVS specific VXLAN code in the receive and
transmit path by using a VXLAN net_device to represent the vport.
Only a small shim layer remains which takes care of handling the
VXLAN specific OVS Netlink configuration.
Unexports vxlan_sock_add(), vxlan_sock_release(), vxlan_xmit_skb()
since they are no longer needed.
Signed-off-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: Pravin B Shelar <pshelar@nicira.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This allows to get rid of the get_name() vport ops later on.
Signed-off-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This is the first step in representing all OVS vports as regular
struct net_devices. Move the net_device pointer into the vport
structure itself to get rid of struct vport_netdev.
Signed-off-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: Pravin B Shelar <pshelar@nicira.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Currently, openvswitch tries to disable LRO from the user space. This does
not work correctly when the device added is a vlan interface, though.
Instead of dealing with possibly complex stacked cross name space relations
in the user space, do the same as bridging does and call dev_disable_lro in
the kernel.
Signed-off-by: Jiri Benc <jbenc@redhat.com>
Acked-by: Flavio Leitner <fbl@redhat.com>
Acked-by: Pravin B Shelar <pshelar@nicira.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Help produce better optimized code.
Signed-off-by: Thomas Graf <tgraf@noironetworks.com>
Signed-off-by: Pravin B Shelar <pshelar@nicira.com>
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The internal and netdev vport remain part of openvswitch.ko. Encap
vports including vxlan, gre, and geneve can be built as separate
modules and are loaded on demand. Modules can be unloaded after use.
Datapath ports keep a reference to the vport module during their
lifetime.
Allows to remove the error prone maintenance of the global list
vport_ops_list.
Signed-off-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The combination of two commits:
commit 8e4e1713e4
("openvswitch: Simplify datapath locking.")
commit 2537b4dd0a
("openvswitch:: link upper device for port devices")
introduced a bug where upper_dev wasn't unlinked upon
netdev_unregister notification
The following steps:
modprobe openvswitch
ovs-dpctl add-dp test
ip tuntap add dev tap1 mode tap
ovs-dpctl add-if test tap1
ip tuntap del dev tap1 mode tap
are causing multiple warnings:
[ 62.747557] gre: GRE over IPv4 demultiplexor driver
[ 62.749579] openvswitch: Open vSwitch switching datapath
[ 62.755087] device test entered promiscuous mode
[ 62.765911] device tap1 entered promiscuous mode
[ 62.766033] IPv6: ADDRCONF(NETDEV_UP): tap1: link is not ready
[ 62.769017] ------------[ cut here ]------------
[ 62.769022] WARNING: CPU: 1 PID: 3267 at net/core/dev.c:5501 rollback_registered_many+0x20f/0x240()
[ 62.769023] Modules linked in: openvswitch gre vxlan ip_tunnel libcrc32c ip6table_filter ip6_tables ebtable_nat ebtables nf_conntrack_ipv4 nf_defrag_ipv4 xt_state nf_conntrack xt_CHECKSUM iptable_mangle ipt_REJECT xt_tcpudp iptable_filter ip_tables x_tables bridge stp llc vhost_net macvtap macvlan vhost kvm_intel kvm dm_crypt iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi hid_generic mxm_wmi eeepc_wmi asus_wmi sparse_keymap dm_multipath psmouse serio_raw usbhid hid parport_pc ppdev firewire_ohci lpc_ich firewire_core e1000e crc_itu_t binfmt_misc igb dca ptp pps_core mac_hid wmi lp parport i2o_config i2o_block video
[ 62.769051] CPU: 1 PID: 3267 Comm: ip Not tainted 3.12.0-rc3+ #60
[ 62.769052] Hardware name: System manufacturer System Product Name/P8Z77 WS, BIOS 3007 07/26/2012
[ 62.769053] 0000000000000009 ffff8807f25cbd28 ffffffff8175e575 0000000000000006
[ 62.769055] 0000000000000000 ffff8807f25cbd68 ffffffff8105314c ffff8807f25cbd58
[ 62.769057] ffff8807f2634000 ffff8807f25cbdc8 ffff8807f25cbd88 ffff8807f25cbdc8
[ 62.769059] Call Trace:
[ 62.769062] [<ffffffff8175e575>] dump_stack+0x55/0x76
[ 62.769065] [<ffffffff8105314c>] warn_slowpath_common+0x8c/0xc0
[ 62.769067] [<ffffffff8105319a>] warn_slowpath_null+0x1a/0x20
[ 62.769069] [<ffffffff8162a04f>] rollback_registered_many+0x20f/0x240
[ 62.769071] [<ffffffff8162a101>] rollback_registered+0x31/0x40
[ 62.769073] [<ffffffff8162a488>] unregister_netdevice_queue+0x58/0x90
[ 62.769075] [<ffffffff8154f900>] __tun_detach+0x140/0x340
[ 62.769077] [<ffffffff8154fb36>] tun_chr_close+0x36/0x60
[ 62.769080] [<ffffffff811bddaf>] __fput+0xff/0x260
[ 62.769082] [<ffffffff811bdf5e>] ____fput+0xe/0x10
[ 62.769084] [<ffffffff8107b515>] task_work_run+0xb5/0xe0
[ 62.769087] [<ffffffff810029b9>] do_notify_resume+0x59/0x80
[ 62.769089] [<ffffffff813a41fe>] ? trace_hardirqs_on_thunk+0x3a/0x3f
[ 62.769091] [<ffffffff81770f5a>] int_signal+0x12/0x17
[ 62.769093] ---[ end trace 838756c62e156ffb ]---
[ 62.769481] ------------[ cut here ]------------
[ 62.769485] WARNING: CPU: 1 PID: 92 at fs/sysfs/inode.c:325 sysfs_hash_and_remove+0xa9/0xb0()
[ 62.769486] sysfs: can not remove 'master', no directory
[ 62.769486] Modules linked in: openvswitch gre vxlan ip_tunnel libcrc32c ip6table_filter ip6_tables ebtable_nat ebtables nf_conntrack_ipv4 nf_defrag_ipv4 xt_state nf_conntrack xt_CHECKSUM iptable_mangle ipt_REJECT xt_tcpudp iptable_filter ip_tables x_tables bridge stp llc vhost_net macvtap macvlan vhost kvm_intel kvm dm_crypt iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi hid_generic mxm_wmi eeepc_wmi asus_wmi sparse_keymap dm_multipath psmouse serio_raw usbhid hid parport_pc ppdev firewire_ohci lpc_ich firewire_core e1000e crc_itu_t binfmt_misc igb dca ptp pps_core mac_hid wmi lp parport i2o_config i2o_block video
[ 62.769514] CPU: 1 PID: 92 Comm: kworker/1:2 Tainted: G W 3.12.0-rc3+ #60
[ 62.769515] Hardware name: System manufacturer System Product Name/P8Z77 WS, BIOS 3007 07/26/2012
[ 62.769518] Workqueue: events ovs_dp_notify_wq [openvswitch]
[ 62.769519] 0000000000000009 ffff880807ad3ac8 ffffffff8175e575 0000000000000006
[ 62.769521] ffff880807ad3b18 ffff880807ad3b08 ffffffff8105314c ffff880807ad3b28
[ 62.769523] 0000000000000000 ffffffff81a87a1f ffff8807f2634000 ffff880037038500
[ 62.769525] Call Trace:
[ 62.769528] [<ffffffff8175e575>] dump_stack+0x55/0x76
[ 62.769529] [<ffffffff8105314c>] warn_slowpath_common+0x8c/0xc0
[ 62.769531] [<ffffffff81053236>] warn_slowpath_fmt+0x46/0x50
[ 62.769533] [<ffffffff8123e7e9>] sysfs_hash_and_remove+0xa9/0xb0
[ 62.769535] [<ffffffff81240e96>] sysfs_remove_link+0x26/0x30
[ 62.769538] [<ffffffff81631ef7>] __netdev_adjacent_dev_remove+0xf7/0x150
[ 62.769540] [<ffffffff81632037>] __netdev_adjacent_dev_unlink_lists+0x27/0x50
[ 62.769542] [<ffffffff8163213a>] __netdev_adjacent_dev_unlink_neighbour+0x3a/0x50
[ 62.769544] [<ffffffff8163218d>] netdev_upper_dev_unlink+0x3d/0x140
[ 62.769548] [<ffffffffa033c2db>] netdev_destroy+0x4b/0x80 [openvswitch]
[ 62.769550] [<ffffffffa033b696>] ovs_vport_del+0x46/0x60 [openvswitch]
[ 62.769552] [<ffffffffa0335314>] ovs_dp_detach_port+0x44/0x60 [openvswitch]
[ 62.769555] [<ffffffffa0336574>] ovs_dp_notify_wq+0xb4/0x150 [openvswitch]
[ 62.769557] [<ffffffff81075c28>] process_one_work+0x1d8/0x6a0
[ 62.769559] [<ffffffff81075bc8>] ? process_one_work+0x178/0x6a0
[ 62.769562] [<ffffffff8107659b>] worker_thread+0x11b/0x370
[ 62.769564] [<ffffffff81076480>] ? rescuer_thread+0x350/0x350
[ 62.769566] [<ffffffff8107f44a>] kthread+0xea/0xf0
[ 62.769568] [<ffffffff8107f360>] ? flush_kthread_worker+0x150/0x150
[ 62.769570] [<ffffffff81770bac>] ret_from_fork+0x7c/0xb0
[ 62.769572] [<ffffffff8107f360>] ? flush_kthread_worker+0x150/0x150
[ 62.769573] ---[ end trace 838756c62e156ffc ]---
[ 62.769574] ------------[ cut here ]------------
[ 62.769576] WARNING: CPU: 1 PID: 92 at fs/sysfs/inode.c:325 sysfs_hash_and_remove+0xa9/0xb0()
[ 62.769577] sysfs: can not remove 'upper_test', no directory
[ 62.769577] Modules linked in: openvswitch gre vxlan ip_tunnel libcrc32c ip6table_filter ip6_tables ebtable_nat ebtables nf_conntrack_ipv4 nf_defrag_ipv4 xt_state nf_conntrack xt_CHECKSUM iptable_mangle ipt_REJECT xt_tcpudp iptable_filter ip_tables x_tables bridge stp llc vhost_net macvtap macvlan vhost kvm_intel kvm dm_crypt iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi hid_generic mxm_wmi eeepc_wmi asus_wmi sparse_keymap dm_multipath psmouse serio_raw usbhid hid parport_pc ppdev firewire_ohci lpc_ich firewire_core e1000e crc_itu_t binfmt_misc igb dca ptp pps_core mac_hid wmi lp parport i2o_config i2o_block video
[ 62.769603] CPU: 1 PID: 92 Comm: kworker/1:2 Tainted: G W 3.12.0-rc3+ #60
[ 62.769604] Hardware name: System manufacturer System Product Name/P8Z77 WS, BIOS 3007 07/26/2012
[ 62.769606] Workqueue: events ovs_dp_notify_wq [openvswitch]
[ 62.769607] 0000000000000009 ffff880807ad3ac8 ffffffff8175e575 0000000000000006
[ 62.769609] ffff880807ad3b18 ffff880807ad3b08 ffffffff8105314c ffff880807ad3b58
[ 62.769611] 0000000000000000 ffff880807ad3bd9 ffff8807f2634000 ffff880037038500
[ 62.769613] Call Trace:
[ 62.769615] [<ffffffff8175e575>] dump_stack+0x55/0x76
[ 62.769617] [<ffffffff8105314c>] warn_slowpath_common+0x8c/0xc0
[ 62.769619] [<ffffffff81053236>] warn_slowpath_fmt+0x46/0x50
[ 62.769621] [<ffffffff8123e7e9>] sysfs_hash_and_remove+0xa9/0xb0
[ 62.769622] [<ffffffff81240e96>] sysfs_remove_link+0x26/0x30
[ 62.769624] [<ffffffff81631f22>] __netdev_adjacent_dev_remove+0x122/0x150
[ 62.769627] [<ffffffff81632037>] __netdev_adjacent_dev_unlink_lists+0x27/0x50
[ 62.769629] [<ffffffff8163213a>] __netdev_adjacent_dev_unlink_neighbour+0x3a/0x50
[ 62.769631] [<ffffffff8163218d>] netdev_upper_dev_unlink+0x3d/0x140
[ 62.769633] [<ffffffffa033c2db>] netdev_destroy+0x4b/0x80 [openvswitch]
[ 62.769636] [<ffffffffa033b696>] ovs_vport_del+0x46/0x60 [openvswitch]
[ 62.769638] [<ffffffffa0335314>] ovs_dp_detach_port+0x44/0x60 [openvswitch]
[ 62.769640] [<ffffffffa0336574>] ovs_dp_notify_wq+0xb4/0x150 [openvswitch]
[ 62.769642] [<ffffffff81075c28>] process_one_work+0x1d8/0x6a0
[ 62.769644] [<ffffffff81075bc8>] ? process_one_work+0x178/0x6a0
[ 62.769646] [<ffffffff8107659b>] worker_thread+0x11b/0x370
[ 62.769648] [<ffffffff81076480>] ? rescuer_thread+0x350/0x350
[ 62.769650] [<ffffffff8107f44a>] kthread+0xea/0xf0
[ 62.769652] [<ffffffff8107f360>] ? flush_kthread_worker+0x150/0x150
[ 62.769654] [<ffffffff81770bac>] ret_from_fork+0x7c/0xb0
[ 62.769656] [<ffffffff8107f360>] ? flush_kthread_worker+0x150/0x150
[ 62.769657] ---[ end trace 838756c62e156ffd ]---
[ 62.769724] device tap1 left promiscuous mode
This patch also affects moving devices between net namespaces.
OVS used to ignore netns move notifications which caused problems.
Like:
ovs-dpctl add-if test tap1
ip link set tap1 netns 3512
and then removing tap1 inside the namespace will cause hang on missing dev_put.
With this patch OVS will detach dev upon receiving netns move event.
Signed-off-by: Alexei Starovoitov <ast@plumgrid.com>
Signed-off-by: Jesse Gross <jesse@nicira.com>
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Link upper device properly. That will make IFLA_MASTER filled up.
Set the master to port 0 of the datapath under which the port belongs.
Signed-off-by: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: Jesse Gross <jesse@nicira.com>
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Add ovs tunnel interface for set tunnel action for userspace.
Signed-off-by: Pravin B Shelar <pshelar@nicira.com>
Acked-by: Jesse Gross <jesse@nicira.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Following patch keeps skb->csum correct across ovs.
Signed-off-by: Pravin B Shelar <pshelar@nicira.com>
Signed-off-by: Jesse Gross <jesse@nicira.com>
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Following patch changes vport->send return type so that vport
layer can do error accounting.
Signed-off-by: Pravin B Shelar <pshelar@nicira.com>
Signed-off-by: Jesse Gross <jesse@nicira.com>
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The only user is get_dpifindex(), no need to redirect via the port
operations.
Signed-off-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Currently OVS uses combination of genl and rtnl lock to protect
datapath state. This was done due to networking stack locking.
But this has complicated locking and there are few lock ordering
issues with new tunneling protocols.
Following patch simplifies locking by introducing new ovs mutex
and now this lock is used to protect entire ovs state.
Signed-off-by: Pravin B Shelar <pshelar@nicira.com>
Signed-off-by: Jesse Gross <jesse@nicira.com>
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These comments are useless in upstream kernel.
Cc: David S. Miller <davem@davemloft.net>
Cc: Jesse Gross <jesse@nicira.com>
Signed-off-by: Cong Wang <amwang@redhat.com>
Signed-off-by: Jesse Gross <jesse@nicira.com>
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The check for LRO packets was incorrectly put in the transmit path
instead of on receive. Since this check is supposed to protect OVS
(and other parts of the system) from packets that it cannot handle
it is obviously not useful on egress. Therefore, this commit moves
it back to the receive side.
The primary problem that this caused is upcalls to userspace tried
to segment the packet even though no segmentation information is
available. This would later cause NULL pointer dereferences when
skb_gso_segment() did nothing.
Signed-off-by: Jesse Gross <jesse@nicira.com>
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Currently, each time a device is detached from an OVS datapath
we call synchronize RCU before freeing associated data structures.
However, if a bridge is deleted (which detaches all ports) when
many devices are connected then there can be a long delay. This
switches to use call_rcu() to group the cost together.
Reported-by: Justin Pettit <jpettit@nicira.com>
Signed-off-by: Jesse Gross <jesse@nicira.com>
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If an attempt is made to transmit a packet that is over the device's
MTU then we log it using the datapath's name. However, it is much
more helpful to use the device name instead.
Signed-off-by: Jesse Gross <jesse@nicira.com>
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Following patch adds support for network namespace to openvswitch.
Since it must release devices when namespaces are destroyed, a
side effect of this patch is that the module no longer keeps a
refcount but instead cleans up any state when it is unloaded.
Signed-off-by: Pravin B Shelar <pshelar@nicira.com>
Signed-off-by: Jesse Gross <jesse@nicira.com>
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Jesse Gross says:
====================
A few bug fixes and small enhancements for net-next/3.6.
...
Ansis Atteka (1):
openvswitch: Do not send notification if ovs_vport_set_options() failed
Ben Pfaff (1):
openvswitch: Check gso_type for correct sk_buff in queue_gso_packets().
Jesse Gross (2):
openvswitch: Enable retrieval of TCP flags from IPv6 traffic.
openvswitch: Reset upper layer protocol info on internal devices.
Leo Alterman (1):
openvswitch: Fix typo in documentation.
Pravin B Shelar (1):
openvswitch: Check currect return value from skb_gso_segment()
Raju Subramanian (1):
openvswitch: Replace Nicira Networks.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Standardize the net core ratelimited logging functions.
Coalesce formats, align arguments.
Change a printk then vprintk sequence to use printf extension %pV.
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Replaced all instances of Nicira Networks(, Inc) to Nicira, Inc.
Signed-off-by: Raju Subramanian <rsubramanian@nicira.com>
Signed-off-by: Ben Pfaff <blp@nicira.com>
Signed-off-by: Jesse Gross <jesse@nicira.com>
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Use of "unsigned int" is preferred to bare "unsigned" in net tree.
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Open vSwitch is a multilayer Ethernet switch targeted at virtualized
environments. In addition to supporting a variety of features
expected in a traditional hardware switch, it enables fine-grained
programmatic extension and flow-based control of the network.
This control is useful in a wide variety of applications but is
particularly important in multi-server virtualization deployments,
which are often characterized by highly dynamic endpoints and the need
to maintain logical abstractions for multiple tenants.
The Open vSwitch datapath provides an in-kernel fast path for packet
forwarding. It is complemented by a userspace daemon, ovs-vswitchd,
which is able to accept configuration from a variety of sources and
translate it into packet processing rules.
See http://openvswitch.org for more information and userspace
utilities.
Signed-off-by: Jesse Gross <jesse@nicira.com>
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Jiri Benc
Daniel Borkmann
David S. Miller
Paolo Abeni
Jiri Pirko
Pravin B Shelar
Thomas Graf
Thomas Graf
Alexei Starovoitov
Jiri Pirko
Cong Wang
Jesse Gross
Joe Perches
Raju Subramanian
Eric Dumazet