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      1 #!/bin/bash
      2 # SPDX-License-Identifier: GPL-2.0
      3 #
      4 # Run a series of packet socket send regression tests
      5 
      6 set -e
      7 
      8 readonly mtu=1500
      9 readonly iphlen=20
     10 readonly udphlen=8
     11 
     12 readonly vnet_hlen=10
     13 readonly eth_hlen=14
     14 
     15 readonly mss="$((${mtu} - ${iphlen} - ${udphlen}))"
     16 readonly mss_exceeds="$((${mss} + 1))"
     17 
     18 readonly max_mtu=65535
     19 readonly max_mss="$((${max_mtu} - ${iphlen} - ${udphlen}))"
     20 readonly max_mss_exceeds="$((${max_mss} + 1))"
     21 
     22 # functional checks (not a full cross-product)
     23 
     24 echo "dgram"
     25 ./in_netns.sh ./psock_snd -d
     26 
     27 echo "dgram bind"
     28 ./in_netns.sh ./psock_snd -d -b
     29 
     30 echo "raw"
     31 ./in_netns.sh ./psock_snd
     32 
     33 echo "raw bind"
     34 ./in_netns.sh ./psock_snd -b
     35 
     36 echo "raw qdisc bypass"
     37 ./in_netns.sh ./psock_snd -q
     38 
     39 echo "raw vlan"
     40 ./in_netns.sh ./psock_snd -V
     41 
     42 echo "raw vnet hdr"
     43 ./in_netns.sh ./psock_snd -v
     44 
     45 echo "raw csum_off"
     46 ./in_netns.sh ./psock_snd -v -c
     47 
     48 echo "raw csum_off with bad offset (fails)"
     49 (! ./in_netns.sh ./psock_snd -v -c -C)
     50 
     51 
     52 # bounds check: send {max, max + 1, min, min - 1} lengths
     53 
     54 echo "raw min size"
     55 ./in_netns.sh ./psock_snd -l 0
     56 
     57 echo "raw mtu size"
     58 ./in_netns.sh ./psock_snd -l "${mss}"
     59 
     60 echo "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 
     68 echo "raw vlan mtu size + 1 (fails)"
     69 (! ./in_netns.sh ./psock_snd -V -l "${mss_exceeds}")
     70 
     71 echo "dgram mtu size"
     72 ./in_netns.sh ./psock_snd -d -l "${mss}"
     73 
     74 echo "dgram mtu size + 1 (fails)"
     75 (! ./in_netns.sh ./psock_snd -d -l "${mss_exceeds}")
     76 
     77 echo "raw truncate hlen (fails: does not arrive)"
     78 (! ./in_netns.sh ./psock_snd -t "$((${vnet_hlen} + ${eth_hlen}))")
     79 
     80 echo "raw truncate hlen - 1 (fails: EINVAL)"
     81 (! ./in_netns.sh ./psock_snd -t "$((${vnet_hlen} + ${eth_hlen} - 1))")
     82 
     83 
     84 # gso checks: implies -l, because with gso len must exceed gso_size
     85 
     86 echo "raw gso min size"
     87 ./in_netns.sh ./psock_snd -v -c -g -l "${mss_exceeds}"
     88 
     89 echo "raw gso min size - 1 (fails)"
     90 (! ./in_netns.sh ./psock_snd -v -c -g -l "${mss}")
     91 
     92 echo "raw gso max size"
     93 ./in_netns.sh ./psock_snd -v -c -g -l "${max_mss}"
     94 
     95 echo "raw gso max size + 1 (fails)"
     96 (! ./in_netns.sh ./psock_snd -v -c -g -l "${max_mss_exceeds}")
     97 
     98 echo "OK. All tests passed"
     99