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#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
#
# Run a series of packet socket send regression tests
set -e
readonly mtu=1500
readonly iphlen=20
readonly udphlen=8
readonly vnet_hlen=10
readonly eth_hlen=14
readonly mss="$((${mtu} - ${iphlen} - ${udphlen}))"
readonly mss_exceeds="$((${mss} + 1))"
readonly max_mtu=65535
readonly max_mss="$((${max_mtu} - ${iphlen} - ${udphlen}))"
readonly max_mss_exceeds="$((${max_mss} + 1))"
# functional checks (not a full cross-product)
echo "dgram"
./in_netns.sh ./psock_snd -d
echo "dgram bind"
./in_netns.sh ./psock_snd -d -b
echo "raw"
./in_netns.sh ./psock_snd
echo "raw bind"
./in_netns.sh ./psock_snd -b
echo "raw qdisc bypass"
./in_netns.sh ./psock_snd -q
echo "raw vlan"
./in_netns.sh ./psock_snd -V
echo "raw vnet hdr"
./in_netns.sh ./psock_snd -v
echo "raw csum_off"
./in_netns.sh ./psock_snd -v -c
echo "raw csum_off with bad offset (fails)"
(! ./in_netns.sh ./psock_snd -v -c -C)
# bounds check: send {max, max + 1, min, min - 1} lengths
echo "raw min size"
./in_netns.sh ./psock_snd -l 0
echo "raw mtu size"
./in_netns.sh ./psock_snd -l "${mss}"
echo "raw mtu size + 1 (fails)"
(! ./in_netns.sh ./psock_snd -l "${mss_exceeds}")
# fails due to ARPHRD_ETHER check in packet_extra_vlan_len_allowed
#
# echo "raw vlan mtu size"
# ./in_netns.sh ./psock_snd -V -l "${mss}"
echo "raw vlan mtu size + 1 (fails)"
(! ./in_netns.sh ./psock_snd -V -l "${mss_exceeds}")
echo "dgram mtu size"
./in_netns.sh ./psock_snd -d -l "${mss}"
echo "dgram mtu size + 1 (fails)"
(! ./in_netns.sh ./psock_snd -d -l "${mss_exceeds}")
echo "raw truncate hlen (fails: does not arrive)"
(! ./in_netns.sh ./psock_snd -t "$((${vnet_hlen} + ${eth_hlen}))")
echo "raw truncate hlen - 1 (fails: EINVAL)"
(! ./in_netns.sh ./psock_snd -t "$((${vnet_hlen} + ${eth_hlen} - 1))")
# gso checks: implies -l, because with gso len must exceed gso_size
echo "raw gso min size"
./in_netns.sh ./psock_snd -v -c -g -l "${mss_exceeds}"
echo "raw gso min size - 1 (fails)"
(! ./in_netns.sh ./psock_snd -v -c -g -l "${mss}")
echo "raw gso max size"
./in_netns.sh ./psock_snd -v -c -g -l "${max_mss}"
echo "raw gso max size + 1 (fails)"
(! ./in_netns.sh ./psock_snd -v -c -g -l "${max_mss_exceeds}")
echo "OK. All tests passed"
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