LXR linux/tools/testing/selftests/net/psock

   1#!/bin/bash
   2# SPDX-License-Identifier: GPL-2.0
   3#
   4# Run a series of packet socket send regression tests
   5
   6set -e
   7
   8readonly mtu=1500
   9readonly iphlen=20
  10readonly udphlen=8
  11
  12readonly vnet_hlen=10
  13readonly eth_hlen=14
  14
  15readonly mss="$((${mtu} - ${iphlen} - ${udphlen}))"
  16readonly mss_exceeds="$((${mss} + 1))"
  17
  18readonly max_mtu=65535
  19readonly max_mss="$((${max_mtu} - ${iphlen} - ${udphlen}))"
  20readonly max_mss_exceeds="$((${max_mss} + 1))"
  21
  22# functional checks (not a full cross-product)
  23
  24echo "dgram"
  25./in_netns.sh ./psock_snd -d
  26
  27echo "dgram bind"
  28./in_netns.sh ./psock_snd -d -b
  29
  30echo "raw"
  31./in_netns.sh ./psock_snd
  32
  33echo "raw bind"
  34./in_netns.sh ./psock_snd -b
  35
  36echo "raw qdisc bypass"
  37./in_netns.sh ./psock_snd -q
  38
  39echo "raw vlan"
  40./in_netns.sh ./psock_snd -V
  41
  42echo "raw vnet hdr"
  43./in_netns.sh ./psock_snd -v
  44
  45echo "raw csum_off"
  46./in_netns.sh ./psock_snd -v -c
  47
  48echo "raw csum_off with bad offset (expected to fail)"
  49(! ./in_netns.sh ./psock_snd -v -c -C)
  50
  51
  52# bounds check: send {max, max + 1, min, min - 1} lengths
  53
  54echo "raw min size"
  55./in_netns.sh ./psock_snd -l 0
  56
  57echo "raw mtu size"
  58./in_netns.sh ./psock_snd -l "${mss}"
  59
  60echo "raw mtu size + 1 (expected to fail)"
  61(! ./in_netns.sh ./psock_snd -l "${mss_exceeds}")
  62
  63# fails due to ARPHRD_ETHER check in packet_extra_vlan_len_allowed
  64#
  65# echo "raw vlan mtu size"
  66# ./in_netns.sh ./psock_snd -V -l "${mss}"
  67
  68echo "raw vlan mtu size + 1 (expected to fail)"
  69(! ./in_netns.sh ./psock_snd -V -l "${mss_exceeds}")
  70
  71echo "dgram mtu size"
  72./in_netns.sh ./psock_snd -d -l "${mss}"
  73
  74echo "dgram mtu size + 1 (expected to fail)"
  75(! ./in_netns.sh ./psock_snd -d -l "${mss_exceeds}")
  76
  77echo "raw truncate hlen (expected to fail: does not arrive)"
  78(! ./in_netns.sh ./psock_snd -t "$((${vnet_hlen} + ${eth_hlen}))")
  79
  80echo "raw truncate hlen - 1 (expected to fail: EINVAL)"
  81(! ./in_netns.sh ./psock_snd -t "$((${vnet_hlen} + ${eth_hlen} - 1))")
  82
  83
  84# gso checks: implies -l, because with gso len must exceed gso_size
  85
  86echo "raw gso min size"
  87./in_netns.sh ./psock_snd -v -c -g -l "${mss_exceeds}"
  88
  89echo "raw gso max size"
  90./in_netns.sh ./psock_snd -v -c -g -l "${max_mss}"
  91
  92echo "raw gso max size + 1 (expected to fail)"
  93(! ./in_netns.sh ./psock_snd -v -c -g -l "${max_mss_exceeds}")
  94
  95echo "OK. All tests passed"
  96