cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

psock_snd.sh (2252B)

      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"