selftests/net: packetdrill: add ipv4-mapped-ipv6 tests

Add ipv4-mapped-ipv6 case to ksft_runner.sh before
an upcoming TCP fix in this area.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Link: https://patch.msgid.link/20260217142924.1853498-1-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

diff --git a/tools/testing/selftests/net/packetdrill/ksft_runner.sh b/tools/testing/selftests/net/packetdrill/ksft_runner.sh
index b34e5cf..0a97d5a 100755 (executable)
--- a/tools/testing/selftests/net/packetdrill/ksft_runner.sh
+++ b/tools/testing/selftests/net/packetdrill/ksft_runner.sh
@@ -13,6 +13,15 @@ declare -A ip_args=(
                -D TFO_COOKIE_ZERO=b7c12350a90dc8f5
                -D CMSG_LEVEL_IP=SOL_IP
                -D CMSG_TYPE_RECVERR=IP_RECVERR"
+       [ipv4-mapped-ipv6]="--ip_version=ipv4-mapped-ipv6
+               --local_ip=192.168.0.1
+               --gateway_ip=192.168.0.1
+               --netmask_ip=255.255.0.0
+               --remote_ip=192.0.2.1
+               -D TFO_COOKIE=3021b9d889017eeb
+               -D TFO_COOKIE_ZERO=b7c12350a90dc8f5
+               -D CMSG_LEVEL_IP=SOL_IPV6
+               -D CMSG_TYPE_RECVERR=IPV6_RECVERR"
        [ipv6]="--ip_version=ipv6
                --mtu=1520
                --local_ip=fd3d:0a0b:17d6::1
@@ -45,7 +54,7 @@ fi
 
 ip_versions=$(grep -E '^--ip_version=' $script | cut -d '=' -f 2)
 if [[ -z $ip_versions ]]; then
-       ip_versions="ipv4 ipv6"
+       ip_versions="ipv4 ipv6 ipv4-mapped-ipv6"
 elif [[ ! "$ip_versions" =~ ^ipv[46]$ ]]; then
        ktap_exit_fail_msg "Too many or unsupported --ip_version: $ip_versions"
        exit "$KSFT_FAIL"