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* | openvswitch: Remove egress_tun_info.Pravin B Shelar2015-08-308-20/+7
| | | | | | | | | | | | | | | | | | tun info is passed using skb-dst pointer. Now we have converted all vports to netdev based implementation so Now we can remove redundant pointer to tun-info from OVS_CB. Signed-off-by: Pravin B Shelar <pshelar@nicira.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | openvswitch: Remove vport get_name()Pravin B Shelar2015-08-301-5/+1
| | | | | | | | | | | | | | Remove unused get_name() function pointer from vport ops. Signed-off-by: Pravin B Shelar <pshelar@nicira.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | openvswitch: retain parsed IPv6 header fields in flow on error skipping ↵Simon Horman2015-08-291-6/+15
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | extension headers When an error occurs skipping IPv6 extension headers retain the already parsed IP protocol and IPv6 addresses in the flow. Also assume that the packet is not a fragment in the absence of information to the contrary; that is always use the frag_off value set by ipv6_skip_exthdr(). This allows matching on the IP protocol and IPv6 addresses of packets with malformed extension headers. Signed-off-by: Simon Horman <simon.horman@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | ip_tunnels: record IP version in tunnel infoJiri Benc2015-08-292-0/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | There's currently nothing preventing directing packets with IPv6 encapsulation data to IPv4 tunnels (and vice versa). If this happens, IPv6 addresses are incorrectly interpreted as IPv4 ones. Track whether the given ip_tunnel_key contains IPv4 or IPv6 data. Store this in ip_tunnel_info. Reject packets at appropriate places if they are supposed to be encapsulated into an incompatible protocol. Signed-off-by: Jiri Benc <jbenc@redhat.com> Acked-by: Alexei Starovoitov <ast@plumgrid.com> Acked-by: Thomas Graf <tgraf@suug.ch> Acked-by: Pravin B Shelar <pshelar@nicira.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | openvswitch: Fix conntrack compilation without mark.Joe Stringer2015-08-291-3/+14
| | | | | | | | | | | | | | | | | | | | Fix build with !CONFIG_NF_CONNTRACK_MARK && CONFIG_OPENVSWITCH_CONNTRACK Fixes: 182e304 ("openvswitch: Allow matching on conntrack mark") Reported-by: Simon Horman <simon.horman@netronome.com> Signed-off-by: Joe Stringer <joestringer@nicira.com> Tested-by: Simon Horman <simon.horman@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | openswitch: fix typo CONFIG_NF_CONNTRACK_LABELValentin Rothberg2015-08-281-1/+1
| | | | | | | | | | | | | | | | Fix typo in conntrack.c s/CONFIG_NF_CONNTRACK_LABEL/CONFIG_NF_CONNTRACK_LABELS/ Signed-off-by: Valentin Rothberg <valentinrothberg@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | openvswitch: Include ip6_fib.h.Joe Stringer2015-08-281-0/+1
| | | | | | | | | | | | | | | | | | | | kbuild test robot reports that certain configurations will not automatically pick up on the "struct rt6_info" definition, so explicitly include the header for this structure. Fixes: 7f8a436 "openvswitch: Add conntrack action" Signed-off-by: Joe Stringer <joestringer@nicira.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | net: add netif_is_ovs_master helper with IFF_OPENVSWITCH private flagJiri Pirko2015-08-281-1/+1
| | | | | | | | | | | | | | Add this helper so code can easily figure out if netdev is openswitch. Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | openvswitch: Use Geneve device.Pravin B Shelar2015-08-282-148/+33
| | | | | | | | | | | | | | | | | | | | | | | | | | | | With help of tunnel metadata mode OVS can directly use Geneve devices to implement Geneve tunnels. This patch removes all of the OVS specific Geneve code and make OVS use a Geneve net_device. Basic geneve vport is still there to handle compatibility with current userspace application. Signed-off-by: Pravin B Shelar <pshelar@nicira.com> Reviewed-by: Jesse Gross <jesse@nicira.com> Acked-by: Thomas Graf <tgraf@suug.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
* | openvswitch: Allow attaching helpers to ct actionJoe Stringer2015-08-271-2/+107
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add support for using conntrack helpers to assist protocol detection. The new OVS_CT_ATTR_HELPER attribute of the CT action specifies a helper to be used for this connection. If no helper is specified, then helpers will be automatically applied as per the sysctl configuration of net.netfilter.nf_conntrack_helper. The helper may be specified as part of the conntrack action, eg: ct(helper=ftp). Initial packets for related connections should be committed to allow later packets for the flow to be considered established. Example ovs-ofctl flows allowing FTP connections from ports 1->2: in_port=1,tcp,action=ct(helper=ftp,commit),2 in_port=2,tcp,ct_state=-trk,action=ct(recirc) in_port=2,tcp,ct_state=+trk-new+est,action=1 in_port=2,tcp,ct_state=+trk+rel,action=1 Signed-off-by: Joe Stringer <joestringer@nicira.com> Acked-by: Thomas Graf <tgraf@suug.ch> Acked-by: Pravin B Shelar <pshelar@nicira.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | openvswitch: Allow matching on conntrack labelJoe Stringer2015-08-279-34/+189
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Allow matching and setting the ct_label field. As with ct_mark, this is populated by executing the CT action. The label field may be modified by specifying a label and mask nested under the CT action. It is stored as metadata attached to the connection. Label modification occurs after lookup, and will only persist when the conntrack entry is committed by providing the COMMIT flag to the CT action. Labels are currently fixed to 128 bits in size. Signed-off-by: Joe Stringer <joestringer@nicira.com> Acked-by: Thomas Graf <tgraf@suug.ch> Acked-by: Pravin B Shelar <pshelar@nicira.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | openvswitch: Allow matching on conntrack markJoe Stringer2015-08-275-4/+78
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Allow matching and setting the ct_mark field. As with ct_state and ct_zone, these fields are populated when the CT action is executed. To write to this field, a value and mask can be specified as a nested attribute under the CT action. This data is stored with the conntrack entry, and is executed after the lookup occurs for the CT action. The conntrack entry itself must be committed using the COMMIT flag in the CT action flags for this change to persist. Signed-off-by: Justin Pettit <jpettit@nicira.com> Signed-off-by: Joe Stringer <joestringer@nicira.com> Acked-by: Thomas Graf <tgraf@suug.ch> Acked-by: Pravin B Shelar <pshelar@nicira.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | openvswitch: Add conntrack actionJoe Stringer2015-08-2712-37/+837
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Expose the kernel connection tracker via OVS. Userspace components can make use of the CT action to populate the connection state (ct_state) field for a flow. This state can be subsequently matched. Exposed connection states are OVS_CS_F_*: - NEW (0x01) - Beginning of a new connection. - ESTABLISHED (0x02) - Part of an existing connection. - RELATED (0x04) - Related to an established connection. - INVALID (0x20) - Could not track the connection for this packet. - REPLY_DIR (0x40) - This packet is in the reply direction for the flow. - TRACKED (0x80) - This packet has been sent through conntrack. When the CT action is executed by itself, it will send the packet through the connection tracker and populate the ct_state field with one or more of the connection state flags above. The CT action will always set the TRACKED bit. When the COMMIT flag is passed to the conntrack action, this specifies that information about the connection should be stored. This allows subsequent packets for the same (or related) connections to be correlated with this connection. Sending subsequent packets for the connection through conntrack allows the connection tracker to consider the packets as ESTABLISHED, RELATED, and/or REPLY_DIR. The CT action may optionally take a zone to track the flow within. This allows connections with the same 5-tuple to be kept logically separate from connections in other zones. If the zone is specified, then the "ct_zone" match field will be subsequently populated with the zone id. IP fragments are handled by transparently assembling them as part of the CT action. The maximum received unit (MRU) size is tracked so that refragmentation can occur during output. IP frag handling contributed by Andy Zhou. Based on original design by Justin Pettit. Signed-off-by: Joe Stringer <joestringer@nicira.com> Signed-off-by: Justin Pettit <jpettit@nicira.com> Signed-off-by: Andy Zhou <azhou@nicira.com> Acked-by: Thomas Graf <tgraf@suug.ch> Acked-by: Pravin B Shelar <pshelar@nicira.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | openvswitch: Move MASKED* macros to datapath.hJoe Stringer2015-08-272-27/+29
| | | | | | | | | | | | | | | | | | This will allow the ovs-conntrack code to reuse these macros. Signed-off-by: Joe Stringer <joestringer@nicira.com> Acked-by: Thomas Graf <tgraf@suug.ch> Acked-by: Pravin B Shelar <pshelar@nicira.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | openvswitch: Serialize acts with original netlink lenJoe Stringer2015-08-273-1/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | Previously, we used the kernel-internal netlink actions length to calculate the size of messages to serialize back to userspace. However,the sw_flow_actions may not be formatted exactly the same as the actions on the wire, so store the original actions length when de-serializing and re-use the original length when serializing. Signed-off-by: Joe Stringer <joestringer@nicira.com> Acked-by: Pravin B Shelar <pshelar@nicira.com> Acked-by: Thomas Graf <tgraf@suug.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
* | route: move lwtunnel state to dst_entryJiri Benc2015-08-211-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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>
* | ip_tunnels: use tos and ttl fields also for IPv6Jiri Benc2015-08-214-10/+10
| | | | | | | | | | | | | | | | | | Rename the ipv4_tos and ipv4_ttl fields to just 'tos' and 'ttl', as they'll be used with IPv6 tunnels, too. Signed-off-by: Jiri Benc <jbenc@redhat.com> Acked-by: Thomas Graf <tgraf@suug.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
* | ip_tunnels: add IPv6 addresses to ip_tunnel_keyJiri Benc2015-08-215-14/+14
| | | | | | | | | | | | | | | | | | | | Add the IPv6 addresses as an union with IPv4 ones. When using IPv4, the newly introduced padding after the IPv4 addresses needs to be zeroed out. Signed-off-by: Jiri Benc <jbenc@redhat.com> Acked-by: Thomas Graf <tgraf@suug.ch> Acked-by: Alexei Starovoitov <ast@plumgrid.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | net: Change pseudohdr argument of inet_proto_csum_replace* to be a boolTom Herbert2015-08-181-6/+6
| | | | | | | | | | | | | | | | | | inet_proto_csum_replace4,2,16 take a pseudohdr argument which indicates the checksum field carries a pseudo header. This argument should be a boolean instead of an int. Signed-off-by: Tom Herbert <tom@herbertland.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netDavid S. Miller2015-08-141-4/+12
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | Conflicts: drivers/net/ethernet/cavium/Kconfig The cavium conflict was overlapping dependency changes. Signed-off-by: David S. Miller <davem@davemloft.net>
| * | openvswitch: Fix L4 checksum handling when dealing with IP fragmentsGlenn Griffin2015-08-031-4/+12
| |/ | | | | | | | | | | | | | | | | | | | | | | | | openvswitch modifies the L4 checksum of a packet when modifying the ip address. When an IP packet is fragmented only the first fragment contains an L4 header and checksum. Prior to this change openvswitch would modify all fragments, modifying application data in non-first fragments, causing checksum failures in the reassembled packet. Signed-off-by: Glenn Griffin <ggriffin.kernel@gmail.com> Acked-by: Pravin B Shelar <pshelar@nicira.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | openvswitch: Use regular GRE net_device instead of vportPravin B Shelar2015-08-102-216/+23
| | | | | | | | | | | | | | | | | | | | | | | | Using GRE tunnel meta data collection feature, we can implement OVS GRE vport. This patch removes all of the OVS specific GRE code and make OVS use a ip_gre net_device. Minimal GRE vport is kept to handle compatibility with current userspace application. 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>
* | openvswitch: Move tunnel destroy function to oppenvswitch module.Pravin B Shelar2015-08-103-20/+20
| | | | | | | | | | | | | | | | 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>
* | openvswitch: Make 100 percents packets sampled when sampling rate is 1.Wenyu Zhang2015-08-071-1/+4
| | | | | | | | | | | | | | | | | | | | When sampling rate is 1, the sampling probability is UINT32_MAX. The packet should be sampled even the prandom32() generate the number of UINT32_MAX. And none packet need be sampled when the probability is 0. Signed-off-by: Wenyu Zhang <wenyuz@vmware.com> Acked-by: Pravin B Shelar <pshelar@nicira.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | vxlan: combine VXLAN_FLOWBASED into VXLAN_COLLECT_METADATAAlexei Starovoitov2015-08-071-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | IFLA_VXLAN_FLOWBASED is useless without IFLA_VXLAN_COLLECT_METADATA, so combine them into single IFLA_VXLAN_COLLECT_METADATA flag. 'flowbased' doesn't convey real meaning of the vxlan tunnel mode. This mode can be used by routing, tc+bpf and ovs. Only ovs is strictly flow based, so 'collect metadata' is a better name for this tunnel mode. Signed-off-by: Alexei Starovoitov <ast@plumgrid.com> Acked-by: Thomas Graf <tgraf@suug.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
* | openvswitch: Re-add CONFIG_OPENVSWITCH_VXLANThomas Graf2015-07-305-200/+235
| | | | | | | | | | | | | | | | | | | | | | | | | | | | 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>
* | openvswitch: Retrieve tunnel metadata when receiving from vport-netdevThomas Graf2015-07-271-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | 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>
* | openvswitch: fix compilation when vxlan is a moduleNicolas Dichtel2015-07-271-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | With CONFIG_VXLAN=m and CONFIG_OPENVSWITCH=y, there was the following compilation error: LD init/built-in.o net/built-in.o: In function `vxlan_tnl_create': .../net/openvswitch/vport-netdev.c:322: undefined reference to `vxlan_dev_create' make: *** [vmlinux] Error 1 CC: Thomas Graf <tgraf@suug.ch> Fixes: 614732eaa12d ("openvswitch: Use regular VXLAN net_device device") Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com> Acked-by: Thomas Graf <tgraf@suug.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
* | Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netDavid S. Miller2015-07-231-1/+1
|\| | | | | | | | | | | | | | | | | | | Conflicts: net/bridge/br_mdb.c br_mdb.c conflict was a function call being removed to fix a bug in 'net' but whose signature was changed in 'net-next'. Signed-off-by: David S. Miller <davem@davemloft.net>
| * openvswitch: allocate nr_node_ids flow_stats instead of num_possible_nodesChris J Arges2015-07-221-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Some architectures like POWER can have a NUMA node_possible_map that contains sparse entries. This causes memory corruption with openvswitch since it allocates flow_cache with a multiple of num_possible_nodes() and assumes the node variable returned by for_each_node will index into flow->stats[node]. Use nr_node_ids to allocate a maximal sparse array instead of num_possible_nodes(). The crash was noticed after 3af229f2 was applied as it changed the node_possible_map to match node_online_map on boot. Fixes: 3af229f2071f5b5cb31664be6109561fbe19c861 Signed-off-by: Chris J Arges <chris.j.arges@canonical.com> Acked-by: Pravin B Shelar <pshelar@nicira.com> Acked-by: Nishanth Aravamudan <nacc@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | openvswitch: Use regular VXLAN net_device deviceThomas Graf2015-07-216-352/+201
| | | | | | | | | | | | | | | | | | | | | | | | | | | | 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>
* | openvswitch: Abstract vport name through ovs_vport_name()Thomas Graf2015-07-216-12/+9
| | | | | | | | | | | | | | 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>
* | openvswitch: Move dev pointer into vport itselfThomas Graf2015-07-216-91/+59
| | | | | | | | | | | | | | | | | | | | 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>
* | openvswitch: Make tunnel set action attach a metadata dstThomas Graf2015-07-216-13/+79
| | | | | | | | | | | | | | | | | | | | Utilize the new metadata dst to attach encapsulation instructions to the skb. The existing egress_tun_info via the OVS_CB() is left in place until all tunnel vports have been converted to the new method. 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>
* | route: Per route IP tunnel metadata via lightweight tunnelThomas Graf2015-07-211-0/+1
| | | | | | | | | | | | | | | | | | This introduces a new IP tunnel lightweight tunnel type which allows to specify IP tunnel instructions per route. Only IPv4 is supported at this point. Signed-off-by: Thomas Graf <tgraf@suug.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
* | ip_tunnel: Make ovs_tunnel_info and ovs_key_ipv4_tunnel genericThomas Graf2015-07-2111-134/+64
|/ | | | | | | | | | | | | Rename the tunnel metadata data structures currently internal to OVS and make them generic for use by all IP tunnels. Both structures are kernel internal and will stay that way. Their members are exposed to user space through individual Netlink attributes by OVS. It will therefore be possible to extend/modify these structures without affecting user ABI. Signed-off-by: Thomas Graf <tgraf@suug.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
* Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netDavid S. Miller2015-06-091-0/+1
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| * openvswitch: disable LROJiri Benc2015-06-041-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | 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>
* | openvswitch: include datapath actions with sampled-packet upcall to userspaceNeil McKee2015-06-023-10/+33
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If new optional attribute OVS_USERSPACE_ATTR_ACTIONS is added to an OVS_ACTION_ATTR_USERSPACE action, then include the datapath actions in the upcall. This Directly associates the sampled packet with the path it takes through the virtual switch. Path information currently includes mangling, encapsulation and decapsulation actions for tunneling protocols GRE, VXLAN, Geneve, MPLS and QinQ, but this extension requires no further changes to accommodate datapath actions that may be added in the future. Adding path information enhances visibility into complex virtual networks. Signed-off-by: Neil McKee <neil.mckee@inmon.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | geneve: Rename support library as geneve_coreJohn W. Linville2015-05-131-1/+1
| | | | | | | | | | | | | | | | | | net/ipv4/geneve.c -> net/ipv4/geneve_core.c This name better reflects the purpose of the module. Signed-off-by: John W. Linville <linville@tuxdriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | geneve: move definition of geneve_hdr() to geneve.hJohn W. Linville2015-05-131-5/+0
| | | | | | | | | | | | | | This is a static inline with identical definitions in multiple places... Signed-off-by: John W. Linville <linville@tuxdriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | openvswitch: Use eth_proto_is_802_3Alexander Duyck2015-05-063-4/+4
|/ | | | | | | Replace "ntohs(proto) >= ETH_P_802_3_MIN" w/ eth_proto_is_802_3(proto). Signed-off-by: Alexander Duyck <alexander.h.duyck@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-nextLinus Torvalds2015-04-155-12/+12
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Pull networking updates from David Miller: 1) Add BQL support to via-rhine, from Tino Reichardt. 2) Integrate SWITCHDEV layer support into the DSA layer, so DSA drivers can support hw switch offloading. From Floria Fainelli. 3) Allow 'ip address' commands to initiate multicast group join/leave, from Madhu Challa. 4) Many ipv4 FIB lookup optimizations from Alexander Duyck. 5) Support EBPF in cls_bpf classifier and act_bpf action, from Daniel Borkmann. 6) Remove the ugly compat support in ARP for ugly layers like ax25, rose, etc. And use this to clean up the neigh layer, then use it to implement MPLS support. All from Eric Biederman. 7) Support L3 forwarding offloading in switches, from Scott Feldman. 8) Collapse the LOCAL and MAIN ipv4 FIB tables when possible, to speed up route lookups even further. From Alexander Duyck. 9) Many improvements and bug fixes to the rhashtable implementation, from Herbert Xu and Thomas Graf. In particular, in the case where an rhashtable user bulk adds a large number of items into an empty table, we expand the table much more sanely. 10) Don't make the tcp_metrics hash table per-namespace, from Eric Biederman. 11) Extend EBPF to access SKB fields, from Alexei Starovoitov. 12) Split out new connection request sockets so that they can be established in the main hash table. Much less false sharing since hash lookups go direct to the request sockets instead of having to go first to the listener then to the request socks hashed underneath. From Eric Dumazet. 13) Add async I/O support for crytpo AF_ALG sockets, from Tadeusz Struk. 14) Support stable privacy address generation for RFC7217 in IPV6. From Hannes Frederic Sowa. 15) Hash network namespace into IP frag IDs, also from Hannes Frederic Sowa. 16) Convert PTP get/set methods to use 64-bit time, from Richard Cochran. * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1816 commits) fm10k: Bump driver version to 0.15.2 fm10k: corrected VF multicast update fm10k: mbx_update_max_size does not drop all oversized messages fm10k: reset head instead of calling update_max_size fm10k: renamed mbx_tx_dropped to mbx_tx_oversized fm10k: update xcast mode before synchronizing multicast addresses fm10k: start service timer on probe fm10k: fix function header comment fm10k: comment next_vf_mbx flow fm10k: don't handle mailbox events in iov_event path and always process mailbox fm10k: use separate workqueue for fm10k driver fm10k: Set PF queues to unlimited bandwidth during virtualization fm10k: expose tx_timeout_count as an ethtool stat fm10k: only increment tx_timeout_count in Tx hang path fm10k: remove extraneous "Reset interface" message fm10k: separate PF only stats so that VF does not display them fm10k: use hw->mac.max_queues for stats fm10k: only show actual queues, not the maximum in hardware fm10k: allow creation of VLAN on default vid fm10k: fix unused warnings ...
| * udp_tunnel: Pass UDP socket down through udp_tunnel{, 6}_xmit_skb().David Miller2015-04-071-2/+3
| | | | | | | | | | | | | | | | | | | | | | That was we can make sure the output path of ipv4/ipv6 operate on the UDP socket rather than whatever random thing happens to be in skb->sk. Based upon a patch by Jiri Pirko. Signed-off-by: David S. Miller <davem@davemloft.net> Acked-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
| * Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netDavid S. Miller2015-04-021-3/+1
| |\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Conflicts: drivers/net/usb/asix_common.c drivers/net/usb/sr9800.c drivers/net/usb/usbnet.c include/linux/usb/usbnet.h net/ipv4/tcp_ipv4.c net/ipv6/tcp_ipv6.c The TCP conflicts were overlapping changes. In 'net' we added a READ_ONCE() to the socket cached RX route read, whilst in 'net-next' Eric Dumazet touched the surrounding code dealing with how mini sockets are handled. With USB, it's a case of the same bug fix first going into net-next and then I cherry picked it back into net. Signed-off-by: David S. Miller <davem@davemloft.net>
| * | netlink: implement nla_get_in_addr and nla_get_in6_addrJiri Benc2015-03-311-2/+2
| | | | | | | | | | | | | | | | | | | | | Those are counterparts to nla_put_in_addr and nla_put_in6_addr. Signed-off-by: Jiri Benc <jbenc@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | netlink: implement nla_put_in_addr and nla_put_in6_addrJiri Benc2015-03-311-2/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | IP addresses are often stored in netlink attributes. Add generic functions to do that. For nla_put_in_addr, it would be nicer to pass struct in_addr but this is not used universally throughout the kernel, in way too many places __be32 is used to store IPv4 address. Signed-off-by: Jiri Benc <jbenc@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | net: Introduce possible_net_tEric W. Biederman2015-03-121-3/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Having to say > #ifdef CONFIG_NET_NS > struct net *net; > #endif in structures is a little bit wordy and a little bit error prone. Instead it is possible to say: > typedef struct { > #ifdef CONFIG_NET_NS > struct net *net; > #endif > } possible_net_t; And then in a header say: > possible_net_t net; Which is cleaner and easier to use and easier to test, as the possible_net_t is always there no matter what the compile options. Further this allows read_pnet and write_pnet to be functions in all cases which is better at catching typos. This change adds possible_net_t, updates the definitions of read_pnet and write_pnet, updates optional struct net * variables that write_pnet uses on to have the type possible_net_t, and finally fixes up the b0rked users of read_pnet and write_pnet. Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com> Acked-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | net: Kill hold_net release_netEric W. Biederman2015-03-121-3/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | hold_net and release_net were an idea that turned out to be useless. The code has been disabled since 2008. Kill the code it is long past due. Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com> Acked-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | mpls: Fix the openvswitch select of NET_MPLS_GSOEric W. Biederman2015-03-091-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fix the OPENVSWITCH Kconfig option and old Kconfigs by having OPENVSWITCH select both NET_MPLS_GSO and MPLSO. A Kbuild test robot reported that when NET_MPLS_GSO is selected by OPENVSWITCH the generated .config is broken because MPLS is not selected. Cc: Simon Horman <horms@verge.net.au> Fixes: cec9166ca4e mpls: Refactor how the mpls module is built Reported-by: kbuild test robot <fengguang.wu@intel.com> Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com> Reviewed-by: Simon Horman <horms@verge.net.au> Signed-off-by: David S. Miller <davem@davemloft.net>
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