xref: /linux/tools/testing/selftests/net/psock_snd.sh (revision 6fdcba32711044c35c0e1b094cbd8f3f0b4472c9) 
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} - ${udphlen}))"
20readonly max_mss_exceeds="$((${max_mss} + 1))"
21
22# functional checks (not a full cross-product)
23
24echo "dgram"
25./in_netns.sh ./psock_snd -d
26
27echo "dgram bind"
28./in_netns.sh ./psock_snd -d -b
29
30echo "raw"
31./in_netns.sh ./psock_snd
32
33echo "raw bind"
34./in_netns.sh ./psock_snd -b
35
36echo "raw qdisc bypass"
37./in_netns.sh ./psock_snd -q
38
39echo "raw vlan"
40./in_netns.sh ./psock_snd -V
41
42echo "raw vnet hdr"
43./in_netns.sh ./psock_snd -v
44
45echo "raw csum_off"
46./in_netns.sh ./psock_snd -v -c
47
48echo "raw csum_off with bad offset (fails)"
49(! ./in_netns.sh ./psock_snd -v -c -C)
50
51
52# bounds check: send {max, max + 1, min, min - 1} lengths
53
54echo "raw min size"
55./in_netns.sh ./psock_snd -l 0
56
57echo "raw mtu size"
58./in_netns.sh ./psock_snd -l "${mss}"
59
60echo "raw mtu size + 1 (fails)"
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 (fails)"
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 (fails)"
75(! ./in_netns.sh ./psock_snd -d -l "${mss_exceeds}")
76
77echo "raw truncate hlen (fails: does not arrive)"
78(! ./in_netns.sh ./psock_snd -t "$((${vnet_hlen} + ${eth_hlen}))")
79
80echo "raw truncate hlen - 1 (fails: EINVAL)"
81(! ./in_netns.sh ./psock_snd -t "$((${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 min size - 1 (fails)"
90(! ./in_netns.sh ./psock_snd -v -c -g -l "${mss}")
91
92echo "raw gso max size"
93./in_netns.sh ./psock_snd -v -c -g -l "${max_mss}"
94
95echo "raw gso max size + 1 (fails)"
96(! ./in_netns.sh ./psock_snd -v -c -g -l "${max_mss_exceeds}")
97
98echo "OK. All tests passed"
99