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2017-09-22cxgb4: add basic tc flower offload supportKumar Sanghvi
Add support to add/remove flows for offload. Following match and action are supported for offloading a flow: Match: ether-protocol, IPv4/IPv6 addresses, L4 ports (TCP/UDP) Action: drop, redirect to another port on the device. The qualifying flows can have accompanying mask information. Signed-off-by: Kumar Sanghvi <kumaras@chelsio.com> Signed-off-by: Rahul Lakkireddy <rahul.lakkireddy@chelsio.com> Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-09-22cxgb4: add tc flower offload skeletonKumar Sanghvi
Add basic skeleton to prepare for offloading tc-flower flows. Signed-off-by: Kumar Sanghvi <kumaras@chelsio.com> Signed-off-by: Rahul Lakkireddy <rahul.lakkireddy@chelsio.com> Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-09-22net: use 32-bit arithmetic while allocating net deviceAlexey Dobriyan
Private part of allocation is never big enough to warrant size_t. Space savings: add/remove: 0/0 grow/shrink: 0/1 up/down: 0/-10 (-10) function old new delta alloc_netdev_mqs 1120 1110 -10 Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-09-22net: Remove useless function skb_header_releaseGao Feng
There is no one which would invokes the function skb_header_release. So just remove it now. Signed-off-by: Gao Feng <gfree.wind@vip.163.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-09-22virtio-net: correctly set xdp_xmit for mergeable bufferJason Wang
We should set xdp_xmit only when xdp_do_redirect() succeed. Cc: John Fastabend <john.fastabend@gmail.com> Signed-off-by: Jason Wang <jasowang@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-09-21test_rhashtable: remove initdata annotationFlorian Westphal
kbuild test robot reported a section mismatch warning w. gcc 4.x: WARNING: lib/test_rhashtable.o(.text+0x139e): Section mismatch in reference from the function rhltable_insert.clone.3() to the variable .init.data:rhlt so remove this annotation. Fixes: cdd4de372ea06 ("test_rhashtable: add test case for rhl_table interface") Reported-by: kbuild test robot <lkp@intel.com> Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-09-21net: vrf: remove skb_dst_force() after skb_dst_set()Eric Dumazet
skb_dst_set(skb, dst) installs a normal (refcounted) dst, there is no point using skb_dst_force(skb) Signed-off-by: Eric Dumazet <edumazet@google.com> Acked-by: David Ahern <dsa@cumulusnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-09-21ipv4: Move fib_has_custom_local_routes outside of IP_MULTIPLE_TABLES.David S. Miller
> net/ipv4/fib_frontend.c: In function 'fib_validate_source': > net/ipv4/fib_frontend.c:411:16: error: 'struct netns_ipv4' has no member named 'fib_has_custom_local_routes' > if (net->ipv4.fib_has_custom_local_routes) > ^ > net/ipv4/fib_frontend.c: In function 'inet_rtm_newroute': > net/ipv4/fib_frontend.c:773:12: error: 'struct netns_ipv4' has no member named 'fib_has_custom_local_routes' > net->ipv4.fib_has_custom_local_routes = true; > ^ Fixes: 6e617de84e87 ("net: avoid a full fib lookup when rp_filter is disabled.") Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-09-21net: ti: netcp: use setup_timerAllen Pais
Use setup_timer function instead of initializing timer with the function and data fields. Signed-off-by: Allen Pais <allen.lkml@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-09-21net: usb: catc: use setup_timer() helperAllen Pais
Use setup_timer function instead of initializing timer with the function and data fields. Signed-off-by: Allen Pais <allen.lkml@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-09-21net: wan : hdlc: use setup_timer() helperAllen Pais
Use setup_timer function instead of initializing timer with the function and data fields. Signed-off-by: Allen Pais <allen.lkml@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-09-21net:nfc: use setup_timerAllen Pais
Use setup_timer function instead of initializing timer with the function and data fields. Signed-off-by: Allen Pais <allen.lkml@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-09-21bridge: trigger RTM_NEWLINK when interface is modified by bridge ioctlVincent Bernat
Currently, there is a difference in netlink events received when an interface is modified through bridge ioctl() or through netlink. This patch generates additional events when an interface is added to or removed from a bridge via ioctl(). When adding then removing an interface from a bridge with netlink, we get: 5: dummy1: <BROADCAST,NOARP,UP,LOWER_UP> mtu 1500 qdisc noqueue master bridge0 state UNKNOWN group default link/ether 9e:da:60:ee:cf:c8 brd ff:ff:ff:ff:ff:ff 5: dummy1: <BROADCAST,NOARP,UP,LOWER_UP> mtu 1500 master bridge0 state UNKNOWN link/ether 9e:da:60:ee:cf:c8 5: dummy1: <BROADCAST,NOARP,UP,LOWER_UP> mtu 1500 master bridge0 state UNKNOWN link/ether 9e:da:60:ee:cf:c8 5: dummy1: <BROADCAST,NOARP,UP,LOWER_UP> mtu 1500 master bridge0 state UNKNOWN link/ether 9e:da:60:ee:cf:c8 5: dummy1: <BROADCAST,NOARP,UP,LOWER_UP> mtu 1500 master bridge0 state UNKNOWN link/ether 9e:da:60:ee:cf:c8 5: dummy1: <BROADCAST,NOARP,UP,LOWER_UP> mtu 1500 qdisc noqueue master bridge0 state UNKNOWN group default link/ether 9e:da:60:ee:cf:c8 brd ff:ff:ff:ff:ff:ff 5: dummy1: <BROADCAST,NOARP,UP,LOWER_UP> mtu 1500 qdisc noqueue master bridge0 state UNKNOWN group default link/ether 9e:da:60:ee:cf:c8 brd ff:ff:ff:ff:ff:ff 5: dummy1: <BROADCAST,NOARP,UP,LOWER_UP> mtu 1500 master bridge0 state UNKNOWN link/ether 9e:da:60:ee:cf:c8 Deleted 5: dummy1: <BROADCAST,NOARP,UP,LOWER_UP> mtu 1500 master bridge0 state UNKNOWN link/ether 9e:da:60:ee:cf:c8 5: dummy1: <BROADCAST,NOARP,UP,LOWER_UP> mtu 1500 qdisc noqueue state UNKNOWN group default link/ether 9e:da:60:ee:cf:c8 brd ff:ff:ff:ff:ff:ff When using ioctl(): 5: dummy1: <BROADCAST,NOARP,UP,LOWER_UP> mtu 1500 qdisc noqueue master bridge0 state UNKNOWN group default link/ether 9e:da:60:ee:cf:c8 brd ff:ff:ff:ff:ff:ff 5: dummy1: <BROADCAST,NOARP,UP,LOWER_UP> mtu 1500 master bridge0 state UNKNOWN link/ether 9e:da:60:ee:cf:c8 5: dummy1: <BROADCAST,NOARP,UP,LOWER_UP> mtu 1500 master bridge0 state UNKNOWN link/ether 9e:da:60:ee:cf:c8 5: dummy1: <BROADCAST,NOARP,UP,LOWER_UP> mtu 1500 master bridge0 state UNKNOWN link/ether 9e:da:60:ee:cf:c8 5: dummy1: <BROADCAST,NOARP,UP,LOWER_UP> mtu 1500 qdisc noqueue master bridge0 state UNKNOWN group default link/ether 9e:da:60:ee:cf:c8 brd ff:ff:ff:ff:ff:ff 5: dummy1: <BROADCAST,NOARP,UP,LOWER_UP> mtu 1500 qdisc noqueue master bridge0 state UNKNOWN group default link/ether 9e:da:60:ee:cf:c8 brd ff:ff:ff:ff:ff:ff 5: dummy1: <BROADCAST,NOARP,UP,LOWER_UP> mtu 1500 master bridge0 state UNKNOWN link/ether 9e:da:60:ee:cf:c8 Deleted 5: dummy1: <BROADCAST,NOARP,UP,LOWER_UP> mtu 1500 master bridge0 state UNKNOWN link/ether 9e:da:60:ee:cf:c8 5: dummy1: <BROADCAST,NOARP,UP,LOWER_UP> mtu 1500 qdisc noqueue state UNKNOWN group default link/ether 9e:da:60:ee:cf:c8 brd ff:ff:ff:ff:ff:ff Without this patch, the last netlink notification is not sent. Signed-off-by: Vincent Bernat <vincent@bernat.im> Reviewed-by: Stephen Hemminger <stephen@networkplumber.org> Reviewed-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-09-21cxgb4: avoid stall while shutting down the adapterGanesh Goudar
do not wait for completion while deleting the filters when the adapter is shutting down because we may not get the response as interrupts will be disabled. Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-09-21net/smc: parameter cleanup in smc_cdc_get_free_slot()Ursula Braun
Use the smc_connection as first parameter with smc_cdc_get_free_slot(). This is just a small code cleanup, no functional change. Signed-off-by: Ursula Braun <ubraun@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-09-21e100: Cocci spatch "pool_zalloc-simple"Thomas Meyer
Use *_pool_zalloc rather than *_pool_alloc followed by memset with 0. Found by coccinelle spatch "api/alloc/pool_zalloc-simple.cocci" Signed-off-by: Thomas Meyer <thomas@m3y3r.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-09-21net: dsa: add port fdb dumpVivien Didelot
Dumping a DSA port's FDB entries is not specific to a DSA slave, so add a dsa_port_fdb_dump function, similarly to dsa_port_fdb_add and dsa_port_fdb_del. Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-09-21net: dsa: better scoping of slave functionsVivien Didelot
A few DSA slave functions take a dsa_slave_priv pointer as first argument, whereas the scope of the slave.c functions is the slave net_device structure. Fix this and rename dsa_netpoll_send_skb to dsa_slave_netpoll_send_skb. Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-09-21net: dsa: use dedicated CPU portVivien Didelot
Each port in DSA has its own dedicated CPU port currently available in its parent switch's ds->ports[port].cpu_dp. Use it instead of getting the unique tree CPU port, which will be deprecated soon. Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-09-21net: avoid a full fib lookup when rp_filter is disabled.Paolo Abeni
Since commit 1dced6a85482 ("ipv4: Restore accept_local behaviour in fib_validate_source()") a full fib lookup is needed even if the rp_filter is disabled, if accept_local is false - which is the default. What we really need in the above scenario is just checking that the source IP address is not local, and in most case we can do that is a cheaper way looking up the ifaddr hash table. This commit adds a helper for such lookup, and uses it to validate the src address when rp_filter is disabled and no 'local' routes are created by the user space in the relevant namespace. A new ipv4 netns flag is added to account for such routes. We need that to preserve the same behavior we had before this patch. It also drops the checks to bail early from __fib_validate_source, added by the commit 1dced6a85482 ("ipv4: Restore accept_local behaviour in fib_validate_source()") they do not give any measurable performance improvement: if we do the lookup with are on a slower path. This improves UDP performances for unconnected sockets when rp_filter is disabled by 5% and also gives small but measurable performance improvement for TCP flood scenarios. v1 -> v2: - use the ifaddr lookup helper in __ip_dev_find(), as suggested by Eric - fall-back to full lookup if custom local routes are present Signed-off-by: Paolo Abeni <pabeni@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-09-21Merge branch 'ebpf-samples-cross-compile'David S. Miller
Joel Fernandes says: ==================== Add cross-compilation support to eBPF samples These patches fix issues seen when cross-compiling eBPF samples on arm64. Compared to [1], I dropped the controversial inline-asm patch and exploring other options to fix it. However these patches are a step in the right direction and I look forward to getting them into -next and the merge window. Changes since v3: - just a repost with acks [1] https://lkml.org/lkml/2017/8/7/417 ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2017-09-21samples/bpf: Add documentation on cross compilationJoel Fernandes
Acked-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: Joel Fernandes <joelaf@google.com> Acked-by: Daniel Borkmann <daniel@iogearbox.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-09-21samples/bpf: Fix pt_regs issues when cross-compilingJoel Fernandes
BPF samples fail to build when cross-compiling for ARM64 because of incorrect pt_regs param selection. This is because clang defines __x86_64__ and bpf_headers thinks we're building for x86. Since clang is building for the BPF target, it shouldn't make assumptions about what target the BPF program is going to run on. To fix this, lets pass ARCH so the header knows which target the BPF program is being compiled for and can use the correct pt_regs code. Acked-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: Joel Fernandes <joelaf@google.com> Acked-by: Daniel Borkmann <daniel@iogearbox.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-09-21samples/bpf: Enable cross compiler supportJoel Fernandes
When cross compiling, bpf samples use HOSTCC for compiling the non-BPF part of the sample, however what we really want is to use the cross compiler to build for the cross target since that is what will load and run the BPF sample. Detect this and compile samples correctly. Acked-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: Joel Fernandes <joelaf@google.com> Acked-by: Daniel Borkmann <daniel@iogearbox.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-09-21samples/bpf: Use getppid instead of getpgrp for array map stressJoel Fernandes
When cross-compiling the bpf sample map_perf_test for aarch64, I find that __NR_getpgrp is undefined. This causes build errors. This syscall is deprecated and requires defining __ARCH_WANT_SYSCALL_DEPRECATED. To avoid having to define that, just use a different syscall (getppid) for the array map stress test. Acked-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: Joel Fernandes <joelaf@google.com> Acked-by: Daniel Borkmann <daniel@iogearbox.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-09-21Merge branch 'net-setup_timer'David S. Miller
Allen Pais says: ==================== net: use setup_timer() helper function. This series uses setup_timer() helper function. The series addresses the files under drivers/net/*. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2017-09-21drivers: net: lmc: use setup_timer() helper.Allen Pais
Use setup_timer function instead of initializing timer with the function and data fields. Signed-off-by: Allen Pais <allen.lkml@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-09-21drivers: net: bnx2x: use setup_timer() helper.Allen Pais
Use setup_timer function instead of initializing timer with the function and data fields. Signed-off-by: Allen Pais <allen.lkml@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-09-21drivers: net: cxgb: use setup_timer() helper.Allen Pais
Use setup_timer function instead of initializing timer with the function and data fields. Signed-off-by: Allen Pais <allen.lkml@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-09-21drivers: net: enic: use setup_timer() helper.Allen Pais
Use setup_timer function instead of initializing timer with the function and data fields. Signed-off-by: Allen Pais <allen.lkml@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-09-21drivers: net: uli526x: use setup_timer() helper.Allen Pais
Use setup_timer function instead of initializing timer with the function and data fields. Signed-off-by: Allen Pais <allen.lkml@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-09-21drivers: net: i40evf: use setup_timer() helper.Allen Pais
Use setup_timer function instead of initializing timer with the function and data fields. Signed-off-by: Allen Pais <allen.lkml@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-09-21drivers: net: packetengines: use setup_timer() helper.Allen Pais
Use setup_timer function instead of initializing timer with the function and data fields. Signed-off-by: Allen Pais <allen.lkml@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-09-21drivers: net: stmmac: use setup_timer() helper.Allen Pais
Use setup_timer function instead of initializing timer with the function and data fields. Signed-off-by: Allen Pais <allen.lkml@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-09-21drivers: net: cpsw_ale: use setup_timer() helper.Allen Pais
Use setup_timer function instead of initializing timer with the function and data fields. Signed-off-by: Allen Pais <allen.lkml@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-09-21drivers: net: hamradio: use setup_timer() helper.Allen Pais
Use setup_timer function instead of initializing timer with the function and data fields. Signed-off-by: Allen Pais <allen.lkml@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-09-21drivers: net: hdlc_ppp: use setup_timer() helper.Allen Pais
Use setup_timer function instead of initializing timer with the function and data fields. Signed-off-by: Allen Pais <allen.lkml@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-09-21drivers: net: dscc: use setup_timer() helper.Allen Pais
Use setup_timer function instead of initializing timer with the function and data fields. Signed-off-by: Allen Pais <allen.lkml@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-09-21drivers: net: appletalk: use setup_timer() helper.Allen Pais
Use setup_timer function instead of initializing timer with the function and data fields. Signed-off-by: Allen Pais <allen.lkml@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-09-21drivers: net: caif: use setup_timer() helper.Allen Pais
Use setup_timer function instead of initializing timer with the function and data fields. Signed-off-by: Allen Pais <allen.lkml@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-09-21drivers: net: can: sja1000: use setup_timer() helper.Allen Pais
Use setup_timer function instead of initializing timer with the function and data fields. Signed-off-by: Allen Pais <allen.lkml@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-09-21drivers: net: adi: use setup_timer() helper.Allen Pais
Use setup_timer function instead of initializing timer with the function and data fields. Signed-off-by: Allen Pais <allen.lkml@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-09-21drivers: net: amd: use setup_timer() helper.Allen Pais
Use setup_timer function instead of initializing timer with the function and data fields. Signed-off-by: Allen Pais <allen.lkml@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-09-21drivers: net: bnxt: use setup_timer() helper.Allen Pais
Use setup_timer function instead of initializing timer with the function and data fields. Signed-off-by: Allen Pais <allen.lkml@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-09-21drivers: net: dmfe: use setup_timer() helper.Allen Pais
Use setup_timer function instead of initializing timer with the function and data fields. Signed-off-by: Allen Pais <allen.lkml@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-09-21drivers: net: fealnx: use setup_timer() helper.Allen Pais
Use setup_timer function instead of initializing timer with the function and data fields. Signed-off-by: Allen Pais <allen.lkml@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-09-21drivers: net: pxa168: use setup_timer() helper.Allen Pais
Use setup_timer function instead of initializing timer with the function and data fields. Signed-off-by: Allen Pais <allen.lkml@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-09-21drivers: net: mlx4: use setup_timer() helper.Allen Pais
Use setup_timer function instead of initializing timer with the function and data fields. Signed-off-by: Allen Pais <allen.lkml@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-09-21drivers: net: mlx5: use setup_timer() helper.Allen Pais
Use setup_timer function instead of initializing timer with the function and data fields. Signed-off-by: Allen Pais <allen.lkml@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-09-21drivers: net: packetengines: use setup_timer() helper.Allen Pais
Use setup_timer function instead of initializing timer with the function and data fields. Signed-off-by: Allen Pais <allen.lkml@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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