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2018-12-14selftests: net: test that listening sockets match on address properlyPeter Oskolkov1-0/+1
This patch adds a selftest that verifies that a socket listening on a specific address is chosen in preference over sockets that listen on any address. The test covers UDP/UDP6/TCP/TCP6. It is based on, and similar to, reuseport_dualstack.c selftest. Signed-off-by: Peter Oskolkov <posk@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-11-24selftests/net: add txring_overwriteWillem de Bruijn1-0/+1
Packet sockets with PACKET_TX_RING send skbs with user data in frags. Before commit 5cd8d46ea156 ("packet: copy user buffers before orphan or clone") ring slots could be released prematurely, possibly allowing a process to overwrite data still in flight. This test opens two packet sockets, one to send and one to read. The sender has a tx ring of one slot. It sends two packets with different payload, then reads both and verifies their payload. Before the above commit, both receive calls return the same data as the send calls use the same buffer. From the commit, the clone needed for looping onto a packet socket triggers an skb_copy_ubufs to create a private copy. The separate sends each arrive correctly. Signed-off-by: Willem de Bruijn <willemb@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-08-29selftests/net: add ip_defrag selftestPeter Oskolkov1-0/+1
This test creates a raw IPv4 socket, fragments a largish UDP datagram and sends the fragments out of order. Then repeats in a loop with different message and fragment lengths. Then does the same with overlapping fragments (with overlapping fragments the expectation is that the recv times out). Tested: root@<host># time ./ip_defrag.sh ipv4 defrag PASS ipv4 defrag with overlaps PASS real 1m7.679s user 0m0.628s sys 0m2.242s A similar test for IPv6 is to follow. Signed-off-by: Peter Oskolkov <posk@google.com> Reviewed-by: Willem de Bruijn <willemb@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-07-26selftests/net: add tls to .gitignoreAnders Roxell1-0/+1
Add the tls binary to .gitignore Fixes: 7f657d5bf507 ("selftests: tls: add selftests for TLS sockets") Signed-off-by: Anders Roxell <anders.roxell@linaro.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-06-21selftests: net: add tcp_inq to gitignoreAnders Roxell1-0/+1
sha: 702353b538f5 ("selftest: add test for TCP_INQ") forgot to add tcp_inq to .gitignore. Signed-off-by: Anders Roxell <anders.roxell@linaro.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-06-04selftests/net: add packet socket packet_snd testWillem de Bruijn1-0/+1
Add regression tests for PF_PACKET transmission using packet_snd. The TPACKET ring interface has tests for transmission and reception. This is an initial stab at the same for the send call based interface. Packets are sent over loopback, then read twice. The entire packet is read from another packet socket and compared. The packet is also verified to arrive at a UDP socket for protocol conformance. The test sends a packet over loopback, testing the following options (not the full cross-product): - SOCK_DGRAM - SOCK_RAW - vlan tag - qdisc bypass - bind() and sendto() - virtio_net_hdr - csum offload (NOT actual csum feature, ignored on loopback) - gso Besides these basic functionality tests, the test runs from a set of bounds checks, positive and negative. Running over loopback, which has dev->min_header_len, it cannot generate variable length hhlen. Signed-off-by: Willem de Bruijn <willemb@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-04-26selftests: udp gso benchmarkWillem de Bruijn1-0/+2
Send udp data between a source and sink, optionally with udp gso. The two processes are expected to be run on separate hosts. A script is included that runs them together over loopback in a single namespace for functionality testing. Signed-off-by: Willem de Bruijn <willemb@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-04-26selftests: udp gsoWillem de Bruijn1-0/+1
Validate udp gso, including edge cases (such as min/max gso sizes). Signed-off-by: Willem de Bruijn <willemb@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-04-23selftests: net: update .gitignore with missing testAnders Roxell1-0/+1
Fixes: 192dc405f308 ("selftests: net: add tcp_mmap program") Signed-off-by: Anders Roxell <anders.roxell@linaro.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-09-19selftest: add a reuseaddr testJosef Bacik1-0/+1
This is to test for a regression introduced by b9470c27607b ("inet: kill smallest_size and smallest_port") which introduced a problem with reuseaddr and bind conflicts. Signed-off-by: Josef Bacik <jbacik@fb.com> Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
2017-08-03test: add msg_zerocopy testWillem de Bruijn1-0/+1
Introduce regression test for msg_zerocopy feature. Send traffic from one process to another with and without zerocopy. Evaluate tcp, udp, raw and packet sockets, including variants - udp: corking and corking with mixed copy/zerocopy calls - raw: with and without hdrincl - packet: at both raw and dgram level Test on both ipv4 and ipv6, optionally with ethtool changes to disable scatter-gather, tx checksum or tso offload. All of these can affect zerocopy behavior. The regression test can be run on a single machine if over a veth pair. Then skb_orphan_frags_rx must be modified to be identical to skb_orphan_frags to allow forwarding zerocopy locally. The msg_zerocopy.sh script will setup the veth pair in network namespaces and run all tests. Signed-off-by: Willem de Bruijn <willemb@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-10-22reuseport, bpf: add test case for bpf_get_numa_node_idDaniel Borkmann1-0/+1
The test case is very similar to reuseport_bpf_cpu, only that here we select socket members based on current numa node id. # numactl -H available: 2 nodes (0-1) node 0 cpus: 0 1 2 3 4 5 12 13 14 15 16 17 node 0 size: 128867 MB node 0 free: 120080 MB node 1 cpus: 6 7 8 9 10 11 18 19 20 21 22 23 node 1 size: 96765 MB node 1 free: 87504 MB node distances: node 0 1 0: 10 20 1: 20 10 # ./reuseport_bpf_numa ---- IPv4 UDP ---- send node 0, receive socket 0 send node 1, receive socket 1 send node 1, receive socket 1 send node 0, receive socket 0 ---- IPv6 UDP ---- send node 0, receive socket 0 send node 1, receive socket 1 send node 1, receive socket 1 send node 0, receive socket 0 ---- IPv4 TCP ---- send node 0, receive socket 0 send node 1, receive socket 1 send node 1, receive socket 1 send node 0, receive socket 0 ---- IPv6 TCP ---- send node 0, receive socket 0 send node 1, receive socket 1 send node 1, receive socket 1 send node 0, receive socket 0 SUCCESS Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-14soreuseport: test mixed v4/v6 socketsCraig Gallek1-0/+1
Test to validate the behavior of SO_REUSEPORT sockets that are created with both AF_INET and AF_INET6. See the commit prior to this for a description of this behavior. Signed-off-by: Craig Gallek <kraig@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-02-11soreuseport: BPF selection functional test for TCPCraig Gallek1-0/+1
Unfortunately the existing test relied on packet payload in order to map incoming packets to sockets. In order to get this to work with TCP, TCP_FASTOPEN needed to be used. Since the fast open path is slightly different than the standard TCP path, I created a second test which sends to reuseport group members based on receiving cpu core id. This will probably serve as a better real-world example use as well. Signed-off-by: Craig Gallek <kraig@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-01-04soreuseport: BPF selection functional testCraig Gallek1-0/+1
This program will build classic and extended BPF programs and validate the socket selection logic when used with SO_ATTACH_REUSEPORT_CBPF and SO_ATTACH_REUSEPORT_EBPF. It also validates the re-programing flow and several edge cases. Signed-off-by: Craig Gallek <kraig@google.com> Acked-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-04-19net: Add .gitignore to networking selftests directory.David S. Miller1-0/+3
Signed-off-by: David S. Miller <davem@davemloft.net>
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