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2017-07-24netvsc: include rtnetlink.hstephen hemminger2-0/+3
Since these files use rtnl_derefernce make sure and include rtnetlink.h Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-07-24netvsc: fix netvsc_set_channelsstephen hemminger1-33/+19
The number of channels returned by rndis_filter_device_add maybe less than the number requested. Therefore set correct real number of queues. Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-07-24netvsc: prefetch the first incoming ring elementstephen hemminger1-1/+7
In interrupt handler, prefetch the first incoming ring element so that it is in cache by the time NAPI poll gets to it. Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-07-24netvsc: Remove redundant use of ipv6_hdr()Mohammed Gamal1-1/+1
This condition already uses an object of type ipv6hdr in the line above. Use the object directly instead of calling ipv6_hdr Signed-off-by: Mohammed Gamal <mgamal@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-07-24netvsc: remove bogus rtnl_unlockstephen hemminger1-1/+0
Remove accidental rtnl_unlock from earlier testing. Fixes: 3962981f4822 ("netvsc: add rtnl annotations in rndis") Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-07-24Merge branch 'bnxt_en-updates'David S. Miller11-79/+1134
Michael Chan says: ==================== bnxt_en: Updates for net-next. This series includes updating the firmware interface, adding methods to get and set VEPA/VEB bridge modes, some minor DCBX and ETS refinements, and 3 patches from Sathya Perla to implement initial VF representors for SRIOV switching. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2017-07-24bnxt_en: add support for port_attr_get and and get_phys_port_nameSathya Perla3-1/+89
This patch adds support for the switchdev_port_attr_get() and ndo_get_phys_port_name() methods for the PF and the VF-reps. Using this support a user application can deduce that the PF (when in the ESWITCH_SWDEV mode) and it's VF-reps form a switch. Signed-off-by: Sathya Perla <sathya.perla@broadcom.com> Signed-off-by: Michael Chan <michael.chan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-07-24bnxt_en: add vf-rep RX/TX and netdev implementationSathya Perla4-12/+288
This patch introduces the RX/TX and a simple netdev implementation for VF-reps. The VF-reps use the RX/TX rings of the PF. For each VF-rep the PF driver issues a VFR_ALLOC FW cmd that returns "cfa_code" and "cfa_action" values. The FW sets up the filter tables in such a way that VF traffic by default (in absence of other rules) gets punted to the parent PF. The cfa_code value in the RX-compl informs the driver of the source VF. For traffic being transmitted from the VF-rep, the TX BD is tagged with a cfa_action value that informs the HW to punt it to the corresponding VF. Signed-off-by: Sathya Perla <sathya.perla@broadcom.com> Signed-off-by: Michael Chan <michael.chan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-07-24bnxt_en: add support to enable VF-representorsSathya Perla7-2/+330
This patch is a part of a patch-set that introduces support for VF-reps in the bnxt_en driver. The driver registers eswitch mode get/set methods with the devlink interface that allow a user to enable SRIOV switchdev mode. When enabled, the driver registers a VF-rep netdev object for each VF with the stack. This can essentially bring the VFs unders the management perview of the hypervisor and applications such as OVS. The next patch in the series, adds the RX/TX routines and a slim netdev implementation for the VF-reps. Signed-off-by: Sathya Perla <sathya.perla@broadcom.com> Signed-off-by: Michael Chan <michael.chan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-07-24bnxt_en: Set ETS min_bw parameter for older firmware.Michael Chan2-0/+7
In addition to the ETS weight, older firmware also requires the min_bw parameter to be set for it to work properly. Signed-off-by: Michael Chan <michael.chan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-07-24bnxt_en: Report firmware DCBX agent.Michael Chan3-12/+19
Report DCB_CAP_DCBX_LLD_MANAGED only if the firmware DCBX agent is enabled and running for PF or VF. Otherwise, if both LLDP and DCBX agents are disabled in firmware, we report DCB_CAP_DCBX_LLD_HOST and allow host IEEE DCB settings. This patch refines the current logic in the driver. Signed-off-by: Michael Chan <michael.chan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-07-24bnxt_en: Allow the user to set ethtool stats-block-usecs to 0.Michael Chan2-4/+7
For debugging purpose, it is sometimes useful to disable periodic port statistics updates, so that the firmware logs will not be filled with statistics update messages. Signed-off-by: Michael Chan <michael.chan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-07-24bnxt_en: Add bnxt_get_num_stats() to centrally get the number of ethtool stats.Michael Chan1-12/+13
Instead of duplicating the logic multiple times. Also, it is unnecessary to zero the buffer in .get_ethtool_stats() because it is already zeroed by the caller. Signed-off-by: Michael Chan <michael.chan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-07-24bnxt_en: Implement ndo_bridge_{get|set}link methods.Michael Chan1-0/+67
To allow users to set the hardware bridging mode to VEB or VEPA. Only single function PF can change the bridging mode. Signed-off-by: Michael Chan <michael.chan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-07-24bnxt_en: Retrieve the hardware bridge mode from the firmware.Michael Chan2-0/+9
Retrieve and store the hardware bridge mode, so that we can implement ndo_bridge_{get|set)link methods in the next patch. Signed-off-by: Michael Chan <michael.chan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-07-24bnxt_en: Update firmware interface spec to 1.8.0.Michael Chan4-39/+308
VF representors and PTP are added features in the new firmware spec. Signed-off-by: Michael Chan <michael.chan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-07-24tcp: remove redundant argument from tcp_rcv_established()Matvejchikov Ilya5-6/+8
The last (4th) argument of tcp_rcv_established() is redundant as it always equals to skb->len and the skb itself is always passed as 2th agrument. There is no reason to have it. Signed-off-by: Ilya V. Matveychikov <matvejchikov@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-07-24mlx4_en: remove unnecessary error checkZhu Yanjun1-7/+2
The function mlx4_en_get_profile always return zero. So it is not necessary to check its return value. CC: Joe Jin <joe.jin@oracle.com> CC: Junxiao Bi <junxiao.bi@oracle.com> Signed-off-by: Zhu Yanjun <yanjun.zhu@oracle.com> Reviewed-by: Tariq Toukan <tariqt@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-07-24mlxsw: spectrum_router: Fix build when IPv6 isn't enabledIdo Schimmel1-4/+18
When IPv6 isn't enabled the following error is generated: ERROR: "nd_tbl" [drivers/net/ethernet/mellanox/mlxsw/mlxsw_spectrum.ko] undefined! Fix it by replacing 'arp_tbl' and 'nd_tbl' with 'tbl->family' wherever possible and reference 'nd_tbl' only when IPV6 is enabled. Fixes: d5eb89cf68d6 ("mlxsw: spectrum_router: Reflect IPv6 neighbours to the device") Signed-off-by: Ido Schimmel <idosch@mellanox.com> Reported-by: kbuild test robot <fengguang.wu@intel.com> Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-07-24mlx4_en: remove unnecessary returned valueZhu Yanjun2-4/+2
The function mlx4_en_arm_cq always returns zero. So change the return type of the function mlx4_en_arm_cq to void. CC: Joe Jin <joe.jin@oracle.com> CC: Junxiao Bi <junxiao.bi@oracle.com> Signed-off-by: Zhu Yanjun <yanjun.zhu@oracle.com> Reviewed-by: Leon Romanovsky <leonro@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-07-24of_mdio: kill useless variable in of_phy_register_fixed_link()Sergei Shtylyov1-4/+2
of_phy_register_fixed_link() declares the 'err' variable to hold the result of of_property_read_string() but only uses it once after that, while that function can be called directly from the *if* statement... Remove that variable and move/regroup 'link_gpio' and 'len' variables in order to sort the declarations in the reverse Xmas tree order -- to please DaveM. ;-) Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-07-24skbuff: re-add check for NULL skb->head in kfree_skb pathFlorian Westphal1-1/+2
A null check is needed after all. netlink skbs can have skb->head be backed by vmalloc. The netlink destructor vfree()s head, then sets it to NULL. We then panic in skb_release_data with a NULL dereference. Re-add such a test. Alternative would be to switch to kvfree to free skb->head memory and remove the special handling in netlink destructor. Reported-by: kernel test robot <fengguang.wu@intel.com> Fixes: 06dc75ab06943 ("net: Revert "net: add function to allocate sk_buff head without data area") Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-07-24liquidio: fix implicit irq include causing build failuresPaul Gortmaker1-0/+2
To fix In file included from drivers/net/ethernet/cavium/liquidio/octeon_mem_ops.c:24:0: drivers/net/ethernet/cavium/liquidio/octeon_device.h:216:2: error: expected specifier-qualifier-list before ‘irqreturn_t’ irqreturn_t (*process_interrupt_regs)(void *); ^ as seen on arm64 allmodconfig builds. Cc: Derek Chickles <derek.chickles@caviumnetworks.com> Cc: Satanand Burla <satananda.burla@caviumnetworks.com> Cc: Felix Manlunas <felix.manlunas@caviumnetworks.com> Cc: Raghu Vatsavayi <raghu.vatsavayi@caviumnetworks.com> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-07-24bpf: dev_map_alloc() shouldn't return NULLDan Carpenter1-0/+1
We forgot to set the error code on two error paths which means that we return ERR_PTR(0) which is NULL. The caller, find_and_alloc_map(), is not expecting that and will have a NULL dereference. Fixes: 546ac1ffb70d ("bpf: add devmap, a map for storing net device references") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Acked-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: John Fastabend <john.fastabend@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-07-24netvsc: fix ptr_ret.cocci warningsWu Fengguang1-1/+1
drivers/net/hyperv/netvsc_drv.c:737:8-14: WARNING: PTR_ERR_OR_ZERO can be used Use PTR_ERR_OR_ZERO rather than if(IS_ERR(...)) + PTR_ERR Generated by: scripts/coccinelle/api/ptr_ret.cocci Fixes: 9749fed5d43d ("netvsc: use ERR_PTR to avoid dereference issues") CC: stephen hemminger <stephen@networkplumber.org> Signed-off-by: Fengguang Wu <fengguang.wu@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-07-24Merge tag 'rxrpc-rewrite-20170721' of ↵David S. Miller5-54/+52
git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs David Howells says: ==================== rxrpc: Rearrange headers Here's a pair of patches that rearrange some of the AF_RXRPC header files that are outside of the net/rxrpc/ directory: (1) The bits userspace need are moved to uapi/linux/rxrpc.h. [Should this be af_rxrpc.h instead, I wonder - but there doesn't seem to be precedent for that in the other net UAPI headers.] (2) For the most part, the contents of rxrpc/packet.h are no longer used outside of the AF_RXRPC module, so move them to net/rxrpc/protocol.h with the exception of the standard abort codes which are exposed to userspace when an abort occurs and the security index values which are needed when constructing keys. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2017-07-24mlxsw: spectrum_router: Don't batch neighbour deletionIdo Schimmel1-12/+3
Current firmware supported by the driver doesn't support batch deletion of IPv6 neighbours on a given router interface (RIF). Until a new version that supports this functionality is made available, delete neighbours one by one. Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-07-24Merge branch 'sctp-remove-typedefs-from-structures-part-3'David S. Miller6-69/+68
Xin Long says: ==================== sctp: remove typedefs from structures part 3 As we know, typedef is suggested not to use in kernel, even checkpatch.pl also gives warnings about it. Now sctp is using it for many structures. All this kind of typedef's using should be removed. This patchset is the part 3 to remove it for another 11 basic structures from linux/sctp.h. Just as the part 1 and 2, No any code's logic would be changed in these patches, only cleaning up. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2017-07-24sctp: remove the typedef sctp_abort_chunk_tXin Long2-6/+6
This patch is to remove the typedef sctp_abort_chunk_t, and replace with struct sctp_abort_chunk in the places where it's using this typedef. Signed-off-by: Xin Long <lucien.xin@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-07-24sctp: remove the typedef sctp_heartbeat_chunk_tXin Long2-3/+4
This patch is to remove the typedef sctp_heartbeat_chunk_t, and replace with struct sctp_heartbeat_chunk in the places where it's using this typedef. Signed-off-by: Xin Long <lucien.xin@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-07-24sctp: remove the typedef sctp_heartbeathdr_tXin Long2-4/+4
This patch is to remove the typedef sctp_heartbeathdr_t, and replace with struct sctp_heartbeathdr in the places where it's using this typedef. Signed-off-by: Xin Long <lucien.xin@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-07-24sctp: remove the typedef sctp_sack_chunk_tXin Long3-5/+5
This patch is to remove the typedef sctp_sack_chunk_t, and replace with struct sctp_sack_chunk in the places where it's using this typedef. Signed-off-by: Xin Long <lucien.xin@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-07-24sctp: remove the typedef sctp_sackhdr_tXin Long3-6/+6
This patch is to remove the typedef sctp_sackhdr_t, and replace with struct sctp_sackhdr in the places where it's using this typedef. Signed-off-by: Xin Long <lucien.xin@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-07-24sctp: remove the typedef sctp_sack_variable_tXin Long2-8/+8
This patch is to remove the typedef sctp_sack_variable_t, and replace with union sctp_sack_variable in the places where it's using this typedef. It is also to fix some indents in sctp_acked(). Signed-off-by: Xin Long <lucien.xin@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-07-24sctp: remove the typedef sctp_dup_tsn_tXin Long1-3/+1
This patch is to remove the typedef sctp_dup_tsn_t, and replace with __be32 in the places where it's using this typedef. Signed-off-by: Xin Long <lucien.xin@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-07-24sctp: remove the typedef sctp_gap_ack_block_tXin Long1-4/+4
This patch is to remove the typedef sctp_gap_ack_block_t, and replace with struct sctp_gap_ack_block in the places where it's using this typedef. Signed-off-by: Xin Long <lucien.xin@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-07-24sctp: remove the typedef sctp_unrecognized_param_tXin Long2-13/+9
This patch is to remove the typedef sctp_unrecognized_param_t, and replace with struct sctp_unrecognized_param in the places where it's using this typedef. It is also to fix some indents in sctp_sf_do_unexpected_init() and sctp_sf_do_5_1B_init(). Signed-off-by: Xin Long <lucien.xin@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-07-24sctp: remove the typedef sctp_cookie_param_tXin Long2-10/+12
This patch is to remove the typedef sctp_cookie_param_t, and replace with struct sctp_cookie_param in the places where it's using this typedef. Signed-off-by: Xin Long <lucien.xin@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-07-24sctp: remove the typedef sctp_initack_chunk_tXin Long2-8/+10
This patch is to remove the typedef sctp_initack_chunk_t, and replace with struct sctp_initack_chunk in the places where it's using this typedef. It is also to use sizeof(variable) instead of sizeof(type). Signed-off-by: Xin Long <lucien.xin@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-07-24Merge branch 'udp-tunnel-offloads-toggle'David S. Miller8-17/+103
Sabrina Dubroca says: ==================== Allow to switch off UDP-based tunnel offloads per netdevice This patchset adds a new netdevice feature to toggle RX offloads of UDP-based tunnel via ethtool. This is useful if the offload is causing issues, for example if the hardware is buggy. The feature is added to all devices providing the ->ndo_udp_tunnel_add op, and enabled by default to preserve current behavior. When the administrator disables this feature on a device, all currently offloaded ports are cleared from the device. When the feature is turned on, the stack notifies the device about all current ports. v2: - rename feature bit to NETIF_F_RX_UDP_TUNNEL_PORT - rename ethtool feature to rx-udp_tunnel-port-offload ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2017-07-24geneve/vxlan: offload ports on register/unregister eventsSabrina Dubroca2-4/+13
This improves consistency of handling when moving a netdev to another netns. Most drivers currently do a full reset when the device goes up, so that will flush the offload state anyway. Signed-off-by: Sabrina Dubroca <sd@queasysnail.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-07-24geneve/vxlan: add support for NETDEV_UDP_TUNNEL_DROP_INFOSabrina Dubroca2-14/+30
Signed-off-by: Sabrina Dubroca <sd@queasysnail.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-07-24net: call udp_tunnel_get_rx_info when NETIF_F_RX_UDP_TUNNEL_PORT is toggledSabrina Dubroca1-1/+21
NETIF_F_RX_UDP_TUNNEL_PORT is special, in that we need to do more than just flip the bit in dev->features. When disabling we must also clear currently offloaded ports from the device, and when enabling we must tell the device to offload the ports it can. Because vxlan stores its sockets in a hashtable and they are inserted at the head of per-bucket lists, switching the feature off and then on can result in a different set of ports being offloaded (depending on the HW's limits). Signed-off-by: Sabrina Dubroca <sd@queasysnail.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-07-24net: add infrastructure to un-offload UDP tunnel portSabrina Dubroca3-0/+27
This adds a new NETDEV_UDP_TUNNEL_DROP_INFO event, similar to NETDEV_UDP_TUNNEL_PUSH_INFO, to signal to un-offload ports. This also adds udp_tunnel_drop_rx_port(), which calls ndo_udp_tunnel_del. Signed-off-by: Sabrina Dubroca <sd@queasysnail.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-07-24net: check UDP tunnel RX port offload feature before calling tunnel ndo ndoSabrina Dubroca1-1/+6
If NETIF_F_RX_UDP_TUNNEL_PORT was disabled on a given netdevice, skip the tunnel offload ndo call during tunnel port creation and deletion. Signed-off-by: Sabrina Dubroca <sd@queasysnail.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-07-24net: add new netdevice feature for offload of RX port for UDP tunnelsSabrina Dubroca3-0/+9
This adds a new netdevice feature, so that the offloading of RX port for UDP tunnels can be disabled by the administrator on some netdevices, using the "rx-udp_tunnel-port-offload" feature in ethtool. This feature is set for all devices that provide ndo_udp_tunnel_add. Signed-off-by: Sabrina Dubroca <sd@queasysnail.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-07-24geneve: add rtnl changelink supportGirish Moodalbail1-42/+176
This patch adds changelink rtnl operation support for geneve devices and the code changes involve: - added geneve_quiesce() which quiesces the geneve device data path for both TX and RX. This lets us perform the changelink operation atomically w.r.t data path. Also added geneve_unquiesce() to reverse the operation of geneve_quiesce(). - refactor geneve_newlink into geneve_nl2info to be used by both geneve_newlink and geneve_changelink - geneve_nl2info takes a changelink boolean argument to isolate changelink checks. - Allow changing only a few attributes (ttl, tos, and remote tunnel endpoint IP address (within the same address family)): - return -EOPNOTSUPP for attributes that cannot be changed for now. Incremental patches can make the non-supported one available in the future if needed. Signed-off-by: Girish Moodalbail <girish.moodalbail@oracle.com> Acked-by: Pravin B Shelar <pshelar@ovn.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-07-24net: Convert to using %pOF instead of full_nameRob Herring21-157/+134
Now that we have a custom printf format specifier, convert users of full_name to use %pOF instead. This is preparation to remove storing of the full path string for each node. Signed-off-by: Rob Herring <robh@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-07-24Merge branch 'virtio_net-xdp-refine'David S. Miller2-134/+200
Jason Wang says: ==================== Refine virtio-net XDP This series brings two optimizations for virtio-net XDP: - avoid reset during XDP set - turn off offloads on demand Changes from V1: - Various tweaks on commit logs and comments - Use virtnet_napi_enable() when enabling NAPI on XDP set - Copy the small buffer packet only if xdp_headroom is smaller than required ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2017-07-24virtio-net: switch off offloads on demand if possible on XDP setJason Wang1-5/+65
Current XDP implementation wants guest offloads feature to be disabled on device. This is inconvenient and means guest can't benefit from offloads if XDP is not used. This patch tries to address this limitation by disabling the offloads on demand through control guest offloads. Guest offloads will be disabled and enabled on demand on XDP set. Signed-off-by: Jason Wang <jasowang@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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