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2022-07-29selftests: seg6: add selftest for SRv6 H.L2Encaps.Red behaviorAndrea Mayer1-0/+1
This selftest is designed for testing the H.L2Encaps.Red behavior. It instantiates a virtual network composed of several nodes: hosts and SRv6 routers. Each node is realized using a network namespace that is properly interconnected to others through veth pairs. The test considers SRv6 routers implementing a L2 VPN leveraged by hosts for communicating with each other. Such routers make use of the SRv6 H.L2Encaps.Red behavior for applying SRv6 policies to L2 traffic coming from hosts. The correct execution of the behavior is verified through reachability tests carried out between hosts belonging to the same VPN. Signed-off-by: Andrea Mayer <andrea.mayer@uniroma2.it> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-07-29selftests: seg6: add selftest for SRv6 H.Encaps.Red behaviorAndrea Mayer1-0/+1
This selftest is designed for testing the H.Encaps.Red behavior. It instantiates a virtual network composed of several nodes: hosts and SRv6 routers. Each node is realized using a network namespace that is properly interconnected to others through veth pairs. The test considers SRv6 routers implementing L3 VPNs leveraged by hosts for communicating with each other. Such routers make use of the SRv6 H.Encaps.Red behavior for applying SRv6 policies to L3 traffic coming from hosts. The correct execution of the behavior is verified through reachability tests carried out between hosts belonging to the same VPN. Signed-off-by: Andrea Mayer <andrea.mayer@uniroma2.it> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-07-24selftests/io_uring: test zerocopy sendPavel Begunkov1-0/+1
Add selftests for io_uring zerocopy sends and io_uring's notification infrastructure. It's largely influenced by msg_zerocopy and uses it on the receive side. Signed-off-by: Pavel Begunkov <asml.silence@gmail.com> Link: https://lore.kernel.org/r/03d5ec78061cf52db420f88ed0b48eb8f47ce9f7.1657643355.git.asml.silence@gmail.com Signed-off-by: Jens Axboe <axboe@kernel.dk>
2022-07-15selftests: net: arp_ndisc_untracked_subnets: test for arp_accept and accept_untracked_naJaehee Park1-0/+1
ipv4 arp_accept has a new option '2' to create new neighbor entries only if the src ip is in the same subnet as an address configured on the interface that received the garp message. This selftest tests all options in arp_accept. ipv6 has a sysctl endpoint, accept_untracked_na, that defines the behavior for accepting untracked neighbor advertisements. A new option similar to that of arp_accept for learning only from the same subnet is added to accept_untracked_na. This selftest tests this new feature. Signed-off-by: Jaehee Park <jhpark1013@gmail.com> Suggested-by: Roopa Prabhu <roopa@nvidia.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-07-14selftests/net: test nexthop without gwNicolas Dichtel1-1/+1
This test implement the scenario described in the commit "ip: fix dflt addr selection for connected nexthop". The test configures a nexthop object with an output device only (no gateway address) and a route that uses this nexthop. The goal is to check if the kernel selects a valid source address. Link: https://lore.kernel.org/netdev/20220712095545.10947-1-nicolas.dichtel@6wind.com/ Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com> Link: https://lore.kernel.org/r/20220713114853.29406-2-nicolas.dichtel@6wind.com Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2022-07-11selftests: stop using KSFT_KHDR_INSTALLGuillaume Tucker1-1/+0
Stop using the KSFT_KHDR_INSTALL flag as installing the kernel headers from the kselftest Makefile is causing some issues. Instead, rely on the headers to be installed directly by the top-level Makefile "headers_install" make target prior to building kselftest. Signed-off-by: Guillaume Tucker <guillaume.tucker@collabora.com> Tested-by: Anders Roxell <anders.roxell@linaro.org> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2022-06-30selftest: tun: add test for NAPI dismantleJakub Kicinski1-1/+1
Being lazy does not pay, add the test for various ordering of tun queue close / detach / destroy. Link: https://lore.kernel.org/r/20220629181911.372047-2-kuba@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-06-16Revert "net: Add a second bind table hashed by port and address"Joanne Koong1-2/+0
This reverts: commit d5a42de8bdbe ("net: Add a second bind table hashed by port and address") commit 538aaf9b2383 ("selftests: Add test for timing a bind request to a port with a populated bhash entry") Link: https://lore.kernel.org/netdev/20220520001834.2247810-1-kuba@kernel.org/ There are a few things that need to be fixed here: * Updating bhash2 in cases where the socket's rcv saddr changes * Adding bhash2 hashbucket locks Links to syzbot reports: https://lore.kernel.org/netdev/00000000000022208805e0df247a@google.com/ https://lore.kernel.org/netdev/0000000000003f33bc05dfaf44fe@google.com/ Fixes: d5a42de8bdbe ("net: Add a second bind table hashed by port and address") Reported-by: syzbot+015d756bbd1f8b5c8f09@syzkaller.appspotmail.com Reported-by: syzbot+98fd2d1422063b0f8c44@syzkaller.appspotmail.com Reported-by: syzbot+0a847a982613c6438fba@syzkaller.appspotmail.com Signed-off-by: Joanne Koong <joannelkoong@gmail.com> Link: https://lore.kernel.org/r/20220615193213.2419568-1-joannelkoong@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-05-20selftests: Add test for timing a bind request to a port with a populated bhash entryJoanne Koong1-0/+2
This test populates the bhash table for a given port with MAX_THREADS * MAX_CONNECTIONS sockets, and then times how long a bind request on the port takes. When populating the bhash table, we create the sockets and then bind the sockets to the same address and port (SO_REUSEADDR and SO_REUSEPORT are set). When timing how long a bind on the port takes, we bind on a different address without SO_REUSEPORT set. We do not set SO_REUSEPORT because we are interested in the case where the bind request does not go through the tb->fastreuseport path, which is fragile (eg tb->fastreuseport path does not work if binding with a different uid). To run the test locally, I did: * ulimit -n 65535000 * ip addr add 2001:0db8:0:f101::1 dev eth0 * ./bind_bhash_test 443 Signed-off-by: Joanne Koong <joannelkoong@gmail.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-05-12net: selftests: Stress reuseport listenMartin KaFai Lau1-0/+2
This patch adds a test that has 300 VIPs listening on port 443. Each VIP:443 will have 80 listening socks by using SO_REUSEPORT. Thus, it will have 24000 listening socks. Before removing the port only listening_hash, all socks will be in the same port 443 bucket and inet_reuseport_add_sock() spends much time to walk through the bucket. After removing the port only listening_hash and move all usage to the port+addr lhash2, each bucket in the ideal case has 80 sk which is much smaller than before. Here is the test result from a qemu: Before: listen 24000 socks took 210.210485362 (~210s) After: listen 24000 socks took 0.207173 (~210ms) Signed-off-by: Martin KaFai Lau <kafai@fb.com> Reviewed-by: Eric Dumazet <edumazet@google.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-05-12Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netJakub Kicinski1-0/+3
No conflicts. Build issue in drivers/net/ethernet/sfc/ptp.c 54fccfdd7c66 ("sfc: efx_default_channel_type APIs can be static") 49e6123c65da ("net: sfc: fix memory leak due to ptp channel") https://lore.kernel.org/all/20220510130556.52598fe2@canb.auug.org.au/ Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-05-09selftests net: add UDP GRO fraglist + bpf self-testsLina Wang1-0/+3
When NET_F_F_GRO_FRAGLIST is enabled and bpf_skb_change_proto is used, check if udp packets and tcp packets are successfully delivered to user space. If wrong udp packets are delivered, udpgso_bench_rx will exit with "Initial byte out of range" Signed-off-by: Maciej enczykowski <maze@google.com> Signed-off-by: Lina Wang <lina.wang@mediatek.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-05-05Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netJakub Kicinski1-1/+2
tools/testing/selftests/net/forwarding/Makefile f62c5acc800e ("selftests/net/forwarding: add missing tests to Makefile") 50fe062c806e ("selftests: forwarding: new test, verify host mdb entries") https://lore.kernel.org/all/20220502111539.0b7e4621@canb.auug.org.au/ Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-04-29selftests/net: add missing tests to MakefileHangbin Liu1-1/+2
When generating the selftests to another folder, the fixed tests are missing as they are not in Makefile, e.g. make -C tools/testing/selftests/ install \ TARGETS="net" INSTALL_PATH=/tmp/kselftests Signed-off-by: Hangbin Liu <liuhangbin@gmail.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-04-17net/ipv6: Introduce accept_unsolicited_na knob to implement router-side changes for RFC9131Arun Ajith S1-0/+1
Add a new neighbour cache entry in STALE state for routers on receiving an unsolicited (gratuitous) neighbour advertisement with target link-layer-address option specified. This is similar to the arp_accept configuration for IPv4. A new sysctl endpoint is created to turn on this behaviour: /proc/sys/net/ipv6/conf/interface/accept_unsolicited_na. Signed-off-by: Arun Ajith S <aajith@arista.com> Reviewed-by: David Ahern <dsahern@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-03-24Merge tag 'net-next-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-nextLinus Torvalds1-1/+2
Pull networking updates from Jakub Kicinski: "The sprinkling of SPI drivers is because we added a new one and Mark sent us a SPI driver interface conversion pull request. Core ---- - Introduce XDP multi-buffer support, allowing the use of XDP with jumbo frame MTUs and combination with Rx coalescing offloads (LRO). - Speed up netns dismantling (5x) and lower the memory cost a little. Remove unnecessary per-netns sockets. Scope some lists to a netns. Cut down RCU syncing. Use batch methods. Allow netdev registration to complete out of order. - Support distinguishing timestamp types (ingress vs egress) and maintaining them across packet scrubbing points (e.g. redirect). - Continue the work of annotating packet drop reasons throughout the stack. - Switch netdev error counters from an atomic to dynamically allocated per-CPU counters. - Rework a few preempt_disable(), local_irq_save() and busy waiting sections problematic on PREEMPT_RT. - Extend the ref_tracker to allow catching use-after-free bugs. BPF --- - Introduce "packing allocator" for BPF JIT images. JITed code is marked read only, and used to be allocated at page granularity. Custom allocator allows for more efficient memory use, lower iTLB pressure and prevents identity mapping huge pages from getting split. - Make use of BTF type annotations (e.g. __user, __percpu) to enforce the correct probe read access method, add appropriate helpers. - Convert the BPF preload to use light skeleton and drop the user-mode-driver dependency. - Allow XDP BPF_PROG_RUN test infra to send real packets, enabling its use as a packet generator. - Allow local storage memory to be allocated with GFP_KERNEL if called from a hook allowed to sleep. - Introduce fprobe (multi kprobe) to speed up mass attachment (arch bits to come later). - Add unstable conntrack lookup helpers for BPF by using the BPF kfunc infra. - Allow cgroup BPF progs to return custom errors to user space. - Add support for AF_UNIX iterator batching. - Allow iterator programs to use sleepable helpers. - Support JIT of add, and, or, xor and xchg atomic ops on arm64. - Add BTFGen support to bpftool which allows to use CO-RE in kernels without BTF info. - Large number of libbpf API improvements, cleanups and deprecations. Protocols --------- - Micro-optimize UDPv6 Tx, gaining up to 5% in test on dummy netdev. - Adjust TSO packet sizes based on min_rtt, allowing very low latency links (data centers) to always send full-sized TSO super-frames. - Make IPv6 flow label changes (AKA hash rethink) more configurable, via sysctl and setsockopt. Distinguish between server and client behavior. - VxLAN support to "collect metadata" devices to terminate only configured VNIs. This is similar to VLAN filtering in the bridge. - Support inserting IPv6 IOAM information to a fraction of frames. - Add protocol attribute to IP addresses to allow identifying where given address comes from (kernel-generated, DHCP etc.) - Support setting socket and IPv6 options via cmsg on ping6 sockets. - Reject mis-use of ECN bits in IP headers as part of DSCP/TOS. Define dscp_t and stop taking ECN bits into account in fib-rules. - Add support for locked bridge ports (for 802.1X). - tun: support NAPI for packets received from batched XDP buffs, doubling the performance in some scenarios. - IPv6 extension header handling in Open vSwitch. - Support IPv6 control message load balancing in bonding, prevent neighbor solicitation and advertisement from using the wrong port. Support NS/NA monitor selection similar to existing ARP monitor. - SMC - improve performance with TCP_CORK and sendfile() - support auto-corking - support TCP_NODELAY - MCTP (Management Component Transport Protocol) - add user space tag control interface - I2C binding driver (as specified by DMTF DSP0237) - Multi-BSSID beacon handling in AP mode for WiFi. - Bluetooth: - handle MSFT Monitor Device Event - add MGMT Adv Monitor Device Found/Lost events - Multi-Path TCP: - add support for the SO_SNDTIMEO socket option - lots of selftest cleanups and improvements - Increase the max PDU size in CAN ISOTP to 64 kB. Driver API ---------- - Add HW counters for SW netdevs, a mechanism for devices which offload packet forwarding to report packet statistics back to software interfaces such as tunnels. - Select the default NIC queue count as a fraction of number of physical CPU cores, instead of hard-coding to 8. - Expose devlink instance locks to drivers. Allow device layer of drivers to use that lock directly instead of creating their own which always runs into ordering issues in devlink callbacks. - Add header/data split indication to guide user space enabling of TCP zero-copy Rx. - Allow configuring completion queue event size. - Refactor page_pool to enable fragmenting after allocation. - Add allocation and page reuse statistics to page_pool. - Improve Multiple Spanning Trees support in the bridge to allow reuse of topologies across VLANs, saving HW resources in switches. - DSA (Distributed Switch Architecture): - replay and offload of host VLAN entries - offload of static and local FDB entries on LAG interfaces - FDB isolation and unicast filtering New hardware / drivers ---------------------- - Ethernet: - LAN937x T1 PHYs - Davicom DM9051 SPI NIC driver - Realtek RTL8367S, RTL8367RB-VB switch and MDIO - Microchip ksz8563 switches - Netronome NFP3800 SmartNICs - Fungible SmartNICs - MediaTek MT8195 switches - WiFi: - mt76: MediaTek mt7916 - mt76: MediaTek mt7921u USB adapters - brcmfmac: Broadcom BCM43454/6 - Mobile: - iosm: Intel M.2 7360 WWAN card Drivers ------- - Convert many drivers to the new phylink API built for split PCS designs but also simplifying other cases. - Intel Ethernet NICs: - add TTY for GNSS module for E810T device - improve AF_XDP performance - GTP-C and GTP-U filter offload - QinQ VLAN support - Mellanox Ethernet NICs (mlx5): - support xdp->data_meta - multi-buffer XDP - offload tc push_eth and pop_eth actions - Netronome Ethernet NICs (nfp): - flow-independent tc action hardware offload (police / meter) - AF_XDP - Other Ethernet NICs: - at803x: fiber and SFP support - xgmac: mdio: preamble suppression and custom MDC frequencies - r8169: enable ASPM L1.2 if system vendor flags it as safe - macb/gem: ZynqMP SGMII - hns3: add TX push mode - dpaa2-eth: software TSO - lan743x: multi-queue, mdio, SGMII, PTP - axienet: NAPI and GRO support - Mellanox Ethernet switches (mlxsw): - source and dest IP address rewrites - RJ45 ports - Marvell Ethernet switches (prestera): - basic routing offload - multi-chain TC ACL offload - NXP embedded Ethernet switches (ocelot & felix): - PTP over UDP with the ocelot-8021q DSA tagging protocol - basic QoS classification on Felix DSA switch using dcbnl - port mirroring for ocelot switches - Microchip high-speed industrial Ethernet (sparx5): - offloading of bridge port flooding flags - PTP Hardware Clock - Other embedded switches: - lan966x: PTP Hardward Clock - qca8k: mdio read/write operations via crafted Ethernet packets - Qualcomm 802.11ax WiFi (ath11k): - add LDPC FEC type and 802.11ax High Efficiency data in radiotap - enable RX PPDU stats in monitor co-exist mode - Intel WiFi (iwlwifi): - UHB TAS enablement via BIOS - band disablement via BIOS - channel switch offload - 32 Rx AMPDU sessions in newer devices - MediaTek WiFi (mt76): - background radar detection - thermal management improvements on mt7915 - SAR support for more mt76 platforms - MBSSID and 6 GHz band on mt7915 - RealTek WiFi: - rtw89: AP mode - rtw89: 160 MHz channels and 6 GHz band - rtw89: hardware scan - Bluetooth: - mt7921s: wake on Bluetooth, SCO over I2S, wide-band-speed (WBS) - Microchip CAN (mcp251xfd): - multiple RX-FIFOs and runtime configurable RX/TX rings - internal PLL, runtime PM handling simplification - improve chip detection and error handling after wakeup" * tag 'net-next-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (2521 commits) llc: fix netdevice reference leaks in llc_ui_bind() drivers: ethernet: cpsw: fix panic when interrupt coaleceing is set via ethtool ice: don't allow to run ice_send_event_to_aux() in atomic ctx ice: fix 'scheduling while atomic' on aux critical err interrupt net/sched: fix incorrect vlan_push_eth dest field net: bridge: mst: Restrict info size queries to bridge ports net: marvell: prestera: add missing destroy_workqueue() in prestera_module_init() drivers: net: xgene: Fix regression in CRC stripping net: geneve: add missing netlink policy and size for IFLA_GENEVE_INNER_PROTO_INHERIT net: dsa: fix missing host-filtered multicast addresses net/mlx5e: Fix build warning, detected write beyond size of field iwlwifi: mvm: Don't fail if PPAG isn't supported selftests/bpf: Fix kprobe_multi test. Revert "rethook: x86: Add rethook x86 implementation" Revert "arm64: rethook: Add arm64 rethook implementation" Revert "powerpc: Add rethook support" Revert "ARM: rethook: Add rethook arm implementation" netdevice: add missing dm_private kdoc net: bridge: mst: prevent NULL deref in br_mst_info_size() selftests: forwarding: Use same VRF for port and VLAN upper ...
2022-02-23selftests: net: Add the uapi headers include variableMuhammad Usama Anjum1-1/+1
Out of tree build of this test fails if relative path of the output directory is specified. Add the KHDR_INCLUDES to correctly reach the headers. Signed-off-by: Muhammad Usama Anjum <usama.anjum@collabora.com> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2022-02-10selftests: net: test standard socket cmsgs across UDP and ICMP socketsJakub Kicinski1-0/+1
Test TIMESTAMPING and TXTIME across UDP / ICMP and IP versions. Before ICMPv6 support: # ./tools/testing/selftests/net/cmsg_time.sh Case ICMPv6 - ts cnt returned '0', expected '2' Case ICMPv6 - ts0 SCHED returned '', expected 'OK' Case ICMPv6 - ts0 SND returned '', expected 'OK' Case ICMPv6 - TXTIME abs returned '', expected 'OK' Case ICMPv6 - TXTIME rel returned '', expected 'OK' FAIL - 5/36 cases failed After: # ./tools/testing/selftests/net/cmsg_time.sh OK Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-02-10selftests: net: rename cmsg_so_markJakub Kicinski1-1/+1
Rename the file in prep for generalization. Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-11-23selftests: add arp_ndisc_evict_nocarrier to MakefileJames Prestwood1-0/+1
This was previously added in selftests but never added to the Makefile Signed-off-by: James Prestwood <prestwoj@gmail.com> Link: https://lore.kernel.org/r/20211122171806.3529401-1-prestwoj@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2021-11-03kselftests/net: add missed toeplitz.sh/toeplitz_client.sh to MakefileHangbin Liu1-0/+1
When generating the selftests to another folder, the toeplitz.sh and toeplitz_client.sh are missing as they are not in Makefile, e.g. make -C tools/testing/selftests/ install \ TARGETS="net" INSTALL_PATH=/tmp/kselftests Making them under TEST_PROGS_EXTENDED as they test NIC hardware features and are not intended to be run from kselftests. Fixes: 5ebfb4cc3048 ("selftests/net: toeplitz test") Reviewed-by: Willem de Bruijn <willemb@google.com> Signed-off-by: Hangbin Liu <liuhangbin@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-11-03kselftests/net: add missed vrf_strict_mode_test.sh test to MakefileHangbin Liu1-0/+1
When generating the selftests to another folder, the vrf_strict_mode_test.sh test will miss as it is not in Makefile, e.g. make -C tools/testing/selftests/ install \ TARGETS="net" INSTALL_PATH=/tmp/kselftests Fixes: 8735e6eaa438 ("selftests: add selftest for the VRF strict mode") Signed-off-by: Hangbin Liu <liuhangbin@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-11-03kselftests/net: add missed SRv6 testsHangbin Liu1-0/+3
When generating the selftests to another folder, the SRv6 tests are missing as they are not in Makefile, e.g. make -C tools/testing/selftests/ install \ TARGETS="net" INSTALL_PATH=/tmp/kselftests Fixes: 03a0b567a03d ("selftests: seg6: add selftest for SRv6 End.DT46 Behavior") Fixes: 2195444e09b4 ("selftests: add selftest for the SRv6 End.DT4 behavior") Fixes: 2bc035538e16 ("selftests: add selftest for the SRv6 End.DT6 (VRF) behavior") Signed-off-by: Hangbin Liu <liuhangbin@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-11-03kselftests/net: add missed setup_loopback.sh/setup_veth.sh to MakefileHangbin Liu1-1/+1
When generating the selftests to another folder, the include file setup_loopback.sh/setup_veth.sh for gro.sh/gre_gro.sh are missing as they are not in Makefile, e.g. make -C tools/testing/selftests/ install \ TARGETS="net" INSTALL_PATH=/tmp/kselftests Fixes: 7d1575014a63 ("selftests/net: GRO coalesce test") Fixes: 9af771d2ec04 ("selftests/net: allow GRO coalesce test on veth") Signed-off-by: Hangbin Liu <liuhangbin@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-11-03kselftests/net: add missed icmp.sh test to MakefileHangbin Liu1-1/+1
When generating the selftests to another folder, the icmp.sh test will miss as it is not in Makefile, e.g. make -C tools/testing/selftests/ install \ TARGETS="net" INSTALL_PATH=/tmp/kselftests Fixes: 7e9838b7915e ("selftests/net: Add icmp.sh for testing ICMP dummy address responses") Signed-off-by: Hangbin Liu <liuhangbin@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-11-01Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netJakub Kicinski1-0/+2
Merge in the fixes we had queued in case there was another -rc. Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2021-11-01selftests: add amt interface selftest scriptTaehee Yoo1-0/+1
This is selftest script for amt interface. This script includes basic forwarding scenarion and torture scenario. Signed-off-by: Taehee Yoo <ap420073@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-11-01selftests: udp: test for passing SO_MARK as cmsgJakub Kicinski1-0/+2
Before fix: | Case IPv6 rejection returned 0, expected 1 |FAIL - 1/4 cases failed With the fix: | OK Signed-off-by: Jakub Kicinski <kuba@kernel.org> Reviewed-by: David Ahern <dsahern@kernel.org> Reviewed-by: Willem de Bruijn <willemb@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-09-02selftests: add simple GSO GRE testJakub Kicinski1-0/+1
Test case for commit a6e3f2985a80 ("ip6_tunnel: fix GRE6 segmentation"). Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-08-26selftests/net: allow GRO coalesce test on vethPaolo Abeni1-0/+1
This change extends the existing GRO coalesce test to allow running on top of a veth pair, so that no H/W dep is required to run them. By default gro.sh will use the veth backend, and will try to use exiting H/W in loopback mode if a specific device name is provided with the '-i' command line option. No functional change is intended for the loopback-based tests, just move all the relevant initialization/cleanup code into the related script. Introduces a new initialization helper script for the veth backend, and plugs the correct helper script according to the provided command line. Additionally, enable veth-based tests by default. v1 -> v2: - drop unused code in setup_veth_ns() - Willem Signed-off-by: Paolo Abeni <pabeni@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-08-05selftests/net: toeplitz testCoco Li1-0/+1
To verify that this hash implements the Toeplitz hash function. Additionally, provide a script toeplitz.sh to run the test in loopback mode on a networking device of choice (see setup_loopback.sh). Since the script modifies the NIC setup, it will not be run by selftests automatically. Tested: ./toeplitz.sh -i eth0 -irq_prefix <eth0_pattern> -t -6 carrier ready rxq 0: cpu 14 rxq 1: cpu 20 rxq 2: cpu 17 rxq 3: cpu 23 cpu 14: rx_hash 0x69103ebc [saddr fda8::2 daddr fda8::1 sport 58938 dport 8000] OK rxq 0 (cpu 14) ... cpu 20: rx_hash 0x257118b9 [saddr fda8::2 daddr fda8::1 sport 59258 dport 8000] OK rxq 1 (cpu 20) count: pass=111 nohash=0 fail=0 Test Succeeded! Signed-off-by: Coco Li <lixiaoyan@google.com> Reviewed-by: Willem de Bruijn <willemb@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-08-05selftests/net: GRO coalesce testCoco Li1-0/+1
Implement a GRO testsuite that expects Linux kernel GRO behavior. All tests pass with the kernel software GRO stack. Run against a device with hardware GRO to verify that it matches the software stack. gro.c generates packets and sends them out through a packet socket. The receiver in gro.c (run separately) receives the packets on a packet socket, filters them by destination ports using BPF and checks the packet geometry to see whether GRO was applied. gro.sh provides a wrapper to run the gro.c in NIC loopback mode. It is not included in continuous testing because it modifies network configuration around a physical NIC: gro.sh sets the NIC in loopback mode, creates macvlan devices on the physical device in separate namespaces, and sends traffic generated by gro.c between the two namespaces to observe coalescing behavior. GRO coalescing is time sensitive. Some tests may prove flaky on some hardware. Note that this test suite tests for software GRO unless hardware GRO is enabled (ethtool -K $DEV rx-gro-hw on). To test, run ./gro.sh. The wrapper will output success or failed test names, and generate log.txt and stderr. Sample log.txt result: ... pure data packet of same size: Test succeeded large data packets followed by a smaller one: Test succeeded small data packets followed by a larger one: Test succeeded ... Sample stderr result: ... carrier ready running test ipv4 data Expected {200 }, Total 1 packets Received {200 }, Total 1 packets. ... Signed-off-by: Coco Li <lixiaoyan@google.com> Reviewed-by: Willem de Bruijn <willemb@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-07-21selftests: net: Test for the IOAM insertion with IPv6Justin Iurman1-0/+2
This test evaluates the IOAM insertion for IPv6 by checking the IOAM data integrity on the receiver. The topology is formed by 3 nodes: Alpha (sender), Beta (router in-between) and Gamma (receiver). An IOAM domain is configured from Alpha to Gamma only, which means not on the reverse path. When Gamma is the destination, Alpha adds an IOAM option (Pre-allocated Trace) inside a Hop-by-hop and fills the trace with its own IOAM data. Beta and Gamma also fill the trace. The IOAM data integrity is checked on Gamma, by comparing with the pre-defined IOAM configuration (see below). +-------------------+ +-------------------+ | | | | | alpha netns | | gamma netns | | | | | | +-------------+ | | +-------------+ | | | veth0 | | | | veth0 | | | | db01::2/64 | | | | db02::2/64 | | | +-------------+ | | +-------------+ | | . | | . | +-------------------+ +-------------------+ . . . . . . +----------------------------------------------------+ | . . | | +-------------+ +-------------+ | | | veth0 | | veth1 | | | | db01::1/64 | ................ | db02::1/64 | | | +-------------+ +-------------+ | | | | beta netns | | | +--------------------------+-------------------------+ ~~~~~~~~~~~~~~~~~~~~~~ | IOAM configuration | ~~~~~~~~~~~~~~~~~~~~~~ Alpha +-----------------------------------------------------------+ | Type | Value | +-----------------------------------------------------------+ | Node ID | 1 | +-----------------------------------------------------------+ | Node Wide ID | 11111111 | +-----------------------------------------------------------+ | Ingress ID | 0xffff (default value) | +-----------------------------------------------------------+ | Ingress Wide ID | 0xffffffff (default value) | +-----------------------------------------------------------+ | Egress ID | 101 | +-----------------------------------------------------------+ | Egress Wide ID | 101101 | +-----------------------------------------------------------+ | Namespace Data | 0xdeadbee0 | +-----------------------------------------------------------+ | Namespace Wide Data | 0xcafec0caf00dc0de | +-----------------------------------------------------------+ | Schema ID | 777 | +-----------------------------------------------------------+ | Schema Data | something that will be 4n-aligned | +-----------------------------------------------------------+ Note: When Gamma is the destination, Alpha adds an IOAM Pre-allocated Trace option inside a Hop-by-hop, where 164 bytes are pre-allocated for the trace, with 123 as the IOAM-Namespace and with 0xfff00200 as the trace type (= all available options at this time). As a result, and based on IOAM configurations here, only both Alpha and Beta should be capable of inserting their IOAM data while Gamma won't have enough space and will set the overflow bit. Beta +-----------------------------------------------------------+ | Type | Value | +-----------------------------------------------------------+ | Node ID | 2 | +-----------------------------------------------------------+ | Node Wide ID | 22222222 | +-----------------------------------------------------------+ | Ingress ID | 201 | +-----------------------------------------------------------+ | Ingress Wide ID | 201201 | +-----------------------------------------------------------+ | Egress ID | 202 | +-----------------------------------------------------------+ | Egress Wide ID | 202202 | +-----------------------------------------------------------+ | Namespace Data | 0xdeadbee1 | +-----------------------------------------------------------+ | Namespace Wide Data | 0xcafec0caf11dc0de | +-----------------------------------------------------------+ | Schema ID | 0xffffff (= None) | +-----------------------------------------------------------+ | Schema Data | | +-----------------------------------------------------------+ Gamma +-----------------------------------------------------------+ | Type | Value | +-----------------------------------------------------------+ | Node ID | 3 | +-----------------------------------------------------------+ | Node Wide ID | 33333333 | +-----------------------------------------------------------+ | Ingress ID | 301 | +-----------------------------------------------------------+ | Ingress Wide ID | 301301 | +-----------------------------------------------------------+ | Egress ID | 0xffff (default value) | +-----------------------------------------------------------+ | Egress Wide ID | 0xffffffff (default value) | +-----------------------------------------------------------+ | Namespace Data | 0xdeadbee2 | +-----------------------------------------------------------+ | Namespace Wide Data | 0xcafec0caf22dc0de | +-----------------------------------------------------------+ | Schema ID | 0xffffff (= None) | +-----------------------------------------------------------+ | Schema Data | | +-----------------------------------------------------------+ Signed-off-by: Justin Iurman <justin.iurman@uliege.be> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-06-24tools/testing: add a selftest for SO_NETNS_COOKIELorenz Bauer1-1/+1
Make sure that SO_NETNS_COOKIE returns a non-zero value, and that sockets from different namespaces have a distinct cookie value. Signed-off-by: Lorenz Bauer <lmb@cloudflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-04-23selftests/net: bump timeout to 5 minutesPo-Hsu Lin1-0/+2
We found that with the latest mainline kernel (5.12.0-051200rc8) on some KVM instances / bare-metal systems, the following tests will take longer than the kselftest framework default timeout (45 seconds) to run and thus got terminated with TIMEOUT error: * xfrm_policy.sh - took about 2m20s * pmtu.sh - took about 3m5s * udpgso_bench.sh - took about 60s Bump the timeout setting to 5 minutes to allow them have a chance to finish. https://bugs.launchpad.net/bugs/1856010 Signed-off-by: Po-Hsu Lin <po-hsu.lin@canonical.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-04-11self-tests: add veth testsPaolo Abeni1-0/+1
Add some basic veth tests, that verify the expected flags and aggregation with different setups (default, xdp, etc...) Signed-off-by: Paolo Abeni <pabeni@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-30selftests: net: add UDP GRO forwarding self-testsPaolo Abeni1-0/+1
Create a bunch of virtual topologies and verify that NETIF_F_GRO_FRAGLIST or NETIF_F_GRO_UDP_FWD-enabled devices aggregate the ingress packets as expected. Additionally check that the aggregate packets are segmented correctly when landing on a socket Also test SKB_GSO_FRAGLIST and SKB_GSO_UDP_L4 aggregation on top of UDP tunnel (vxlan) v1 -> v2: - hopefully clarify the commit message - moved the overlay network ipv6 range into the 'documentation' reserved range (Willem) Signed-off-by: Paolo Abeni <pabeni@redhat.com> Acked-by: Willem de Bruijn <willemb@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-01-26selftests: add IPv4 unicast extensions testsSeth David Schoen1-0/+1
Add selftests for kernel behavior with regard to various classes of unallocated/reserved IPv4 addresses, checking whether or not these addresses can be assigned as unicast addresses on links and used in routing. Expect the current kernel behavior at the time of this patch. That is: * 0/8 and 240/4 may be used as unicast, with the exceptions of 0.0.0.0 and 255.255.255.255; * the lowest address in a subnet may only be used as a broadcast address; * 127/8 may not be used as unicast (the route_localnet option, which is disabled by default, still leaves it treated slightly specially); * 224/4 may not be used as unicast. Signed-off-by: Seth David Schoen <schoen@loyalty.org> Suggested-by: John Gilmore <gnu@toad.com> Acked-by: Dave Taht <dave.taht@gmail.com> Reviewed-by: David Ahern <dsahern@kernel.org> Link: https://lore.kernel.org/r/20210126040834.GR24989@frotz.zork.net Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-11-02selftests: add test script for bareudp tunnelsGuillaume Nault1-0/+1
Test different encapsulation modes of the bareudp module: * Unicast MPLS, * IPv4 only, * IPv4 in multiproto mode (that is, IPv4 and IPv6), * IPv6. Each mode is tested with both an IPv4 and an IPv6 underlay. v2: * Add build dependencies in config file (Willem de Bruijn). * The MPLS test now uses its own IP addresses. This minimises the amount of cleanup between tests and simplifies the script. * Verify that iproute2 supports bareudp tunnels before running the script (and other minor usability improvements). Signed-off-by: Guillaume Nault <gnault@redhat.com> Link: https://lore.kernel.org/r/8abc0e58f8a7eeb404f82466505a73110bc43ab8.1604088587.git.gnault@redhat.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-15Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netJakub Kicinski1-0/+1
Minor conflicts in net/mptcp/protocol.h and tools/testing/selftests/net/Makefile. In both cases code was added on both sides in the same place so just keep both. Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-14selftests: Add VRF route leaking testsMichael Jeanson1-0/+1
The objective of the tests is to check that ICMP errors generated while crossing between VRFs are properly routed back to the source host. The first ttl test sends a ping with a ttl of 1 from h1 to h2 and parses the output of the command to check that a ttl expired error is received. The second ttl test runs traceroute from h1 to h2 and parses the output to check for a hop on r1. The mtu test sends a ping with a payload of 1450 from h1 to h2, through r1 which has an interface with a mtu of 1400 and parses the output of the command to check that a fragmentation needed error is received. [ The IPv6 MTU test still fails with the symmetric routing setup. It appears to be caused by source address selection picking ::1. Fixing this is beyond the scope of this series. ] Signed-off-by: Michael Jeanson <mjeanson@efficios.com> Reviewed-by: David Ahern <dsahern@gmail.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-02Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec-nextDavid S. Miller1-0/+1
Steffen Klassert says: ==================== pull request (net-next): ipsec-next 2020-10-02 1) Add a full xfrm compatible layer for 32-bit applications on 64-bit kernels. From Dmitry Safonov. Please pull or let me know if there are problems. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-30selftests: net: Add drop monitor testIdo Schimmel1-0/+1
Test that drop monitor correctly captures both software and hardware originated packet drops. # ./drop_monitor_tests.sh Software drops test TEST: Capturing active software drops [ OK ] TEST: Capturing inactive software drops [ OK ] Hardware drops test TEST: Capturing active hardware drops [ OK ] TEST: Capturing inactive hardware drops [ OK ] Tests passed: 4 Tests failed: 0 Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-24selftest/net/xfrm: Add test for ipsec tunnelDmitry Safonov1-0/+1
It's an exhaustive testing for ipsec: covering all encryption/ authentication/compression algorithms. The tests are run in two network namespaces, connected by veth interfaces. To make exhaustive testing less time-consuming, the tests are run in parallel tasks, specified by parameter to the selftest. As the patches set adds support for xfrm in compatible tasks, there are tests to check structures that differ in size between 64-bit and 32-bit applications. The selftest doesn't use libnl so that it can be easily compiled as compatible application and don't require compatible .so. Here is a diagram of the selftest: --------------- | selftest | | (parent) | --------------- | | | (pipe) | ---------- / | | \ /------------- / \ -------------\ | /----- -----\ | ---------|----------|----------------|----------|--------- | --------- --------- --------- --------- | | | child | | child | NS A | child | | child | | | --------- --------- --------- --------- | -------|------------|----------------|-------------|------ veth0 veth1 veth2 vethN ---------|------------|----------------|-------------|---------- | ------------ ------------ ------------ ------------ | | | gr.child | | gr.child | NS B | gr.child | | gr.child | | | ------------ ------------ ------------ ------------ | ---------------------------------------------------------------- The parent sends the description of a test (xfrm parameters) to the child, the child and grand child setup a tunnel over veth interface and test it by sending udp packets. Cc: Shuah Khan <shuah@kernel.org> Cc: linux-kselftest@vger.kernel.org Signed-off-by: Dmitry Safonov <dima@arista.com> Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
2020-07-09selftests: net: Add port split testDanielle Ratson1-0/+1
Test port split configuration using previously added number of port lanes attribute. Check that all the splittable ports are successfully split to their maximum number of lanes and below, and that those which are not splittable fail to be split. Test output example: TEST: swp4 is unsplittable [ OK ] TEST: split port swp53 into 4 [ OK ] TEST: Unsplit port pci/0000:03:00.0/25 [ OK ] TEST: split port swp53 into 2 [ OK ] TEST: Unsplit port pci/0000:03:00.0/25 [ OK ] Signed-off-by: Danielle Ratson <danieller@mellanox.com> Reviewed-by: Petr Machata <petrm@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-06-23selftests/net: plug rxtimestamp test into kselftest frameworktannerlove1-0/+1
Run rxtimestamp as part of TEST_PROGS. Analogous to other tests, add new rxtimestamp.sh wrapper script, so that the test runs isolated from background traffic in a private network namespace. Also ignore failures of test case #6 by default. This case verifies that a receive timestamp is not reported if timestamp reporting is enabled for a socket, but generation is disabled. Receive timestamp generation has to be enabled globally, as no associated socket is known yet. A background process that enables rx timestamp generation therefore causes a false positive. Ntpd is one example that does. Add a "--strict" option to cause failure in the event that any test case fails, including test #6. This is useful for environments that are known to not have such background processes. Tested: make -C tools/testing/selftests TARGETS="net" run_tests Signed-off-by: Tanner Love <tannerlove@google.com> Acked-by: Willem de Bruijn <willemb@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-22selftests: Add tests for vrf and xfrmsDavid Ahern1-0/+1
Add tests for vrf and xfrms with a second round after adding a qdisc. There are a few known problems documented with the test cases that fail. The fix is non-trivial; will come back to it when time allows. Signed-off-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-29selftests: move timestamping selftests to net folderJian Yang1-1/+3
For historical reasons, there are several timestamping selftest targets in selftests/networking/timestamping. Move them to the standard directory for networking tests: selftests/net. Signed-off-by: Jian Yang <jianyang@google.com> Acked-by: Willem de Bruijn <willemb@google.com> Acked-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-25Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netDavid S. Miller1-1/+3
Overlapping header include additions in macsec.c A bug fix in 'net' overlapping with the removal of 'version' string in ena_netdev.c Overlapping test additions in selftests Makefile Overlapping PCI ID table adjustments in iwlwifi driver. Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-25selftests/net: add missing tests to MakefileHangbin Liu1-1/+3
Find some tests are missed in Makefile by running: for file in $(ls *.sh); do grep -q $file Makefile || echo $file; done Signed-off-by: Hangbin Liu <liuhangbin@gmail.com> Reviewed-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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