Recently, we removed ipv6 restriction[0] from RDMA migration, add a test for it.
[0] https://lore.kernel.org/qemu-devel/[email protected]/ Cc: Jack Wang <[email protected]> Cc: Michael R. Galaxy <[email protected]> Cc: Peter Xu <[email protected]> Cc: Yu Zhang <[email protected]> Signed-off-by: Li Zhijian <[email protected]> --- This test is added based on [1] Signed-off-by: Li Zhijian <[email protected]> --- scripts/rdma-migration-helper.sh | 26 +++++++++++++++++++++++--- tests/qtest/migration/precopy-tests.c | 21 +++++++++++++++++---- 2 files changed, 40 insertions(+), 7 deletions(-) diff --git a/scripts/rdma-migration-helper.sh b/scripts/rdma-migration-helper.sh index 019b9ad932..c358392b72 100755 --- a/scripts/rdma-migration-helper.sh +++ b/scripts/rdma-migration-helper.sh @@ -8,6 +8,15 @@ get_ipv4_addr() head -1 | tr -d '\n' } +get_ipv6_addr() { + ipv6=$(ip -6 -o addr show dev "$1" | + sed -n 's/.*[[:blank:]]inet6[[:blank:]]*\([^[:blank:]/]*\).*/\1/p' | + head -1 | tr -d '\n') + + [ $? -eq 0 ] || return + echo -n ["$ipv6"%$1] +} + # existing rdma interfaces rdma_interfaces() { @@ -20,11 +29,16 @@ ipv4_interfaces() ip -o addr show | awk '/inet / {print $2}' | sort -u | grep -v -w lo } +ipv6_interfaces() +{ + ip -o addr show | awk '/inet6 / {print $2}' | sort -u | grep -v -w lo +} + rdma_rxe_detect() { for r in $(rdma_interfaces) do - ipv4_interfaces | grep -qw $r && get_ipv4_addr $r && return + "$IP_FAMILY"_interfaces | grep -qw $r && get_"$IP_FAMILY"_addr $r && return done return 1 @@ -32,11 +46,11 @@ rdma_rxe_detect() rdma_rxe_setup() { - for i in $(ipv4_interfaces) + for i in $("$IP_FAMILY"_interfaces) do rdma_interfaces | grep -qw $i && continue rdma link add "${i}_rxe" type rxe netdev "$i" && { - echo "Setup new rdma/rxe ${i}_rxe for $i with $(get_ipv4_addr $i)" + echo "Setup new rdma/rxe ${i}_rxe for $i with $(get_"$IP_FAMILY"_addr $i)" return } done @@ -50,6 +64,12 @@ rdma_rxe_clean() modprobe -r rdma_rxe } +IP_FAMILY=${IP_FAMILY:-ipv4} +if [ "$IP_FAMILY" != "ipv6" ] && [ "$IP_FAMILY" != "ipv4" ]; then + echo "Unknown ip family '$IP_FAMILY', only ipv4 or ipv6 is supported," >&2 + exit 1 +fi + operation=${1:-detect} command -v rdma >/dev/null || { diff --git a/tests/qtest/migration/precopy-tests.c b/tests/qtest/migration/precopy-tests.c index a137ea9f2c..9f7236dc59 100644 --- a/tests/qtest/migration/precopy-tests.c +++ b/tests/qtest/migration/precopy-tests.c @@ -102,12 +102,13 @@ static void test_precopy_unix_dirty_ring(void) #ifdef CONFIG_RDMA #define RDMA_MIGRATION_HELPER "scripts/rdma-migration-helper.sh" -static int new_rdma_link(char *buffer) +static int new_rdma_link(char *buffer, bool ipv6) { char cmd[256]; bool verbose = g_getenv("QTEST_LOG"); - snprintf(cmd, sizeof(cmd), "%s detect %s", RDMA_MIGRATION_HELPER, + snprintf(cmd, sizeof(cmd), "IP_FAMILY=%s %s detect %s", + ipv6 ? "ipv6" : "ipv4", RDMA_MIGRATION_HELPER, verbose ? "" : "2>/dev/null"); FILE *pipe = popen(cmd, "r"); @@ -132,11 +133,11 @@ static int new_rdma_link(char *buffer) return -1; } -static void test_precopy_rdma_plain(void) +static void test_precopy_rdma_plain_ip(bool ipv6) { char buffer[128] = {}; - if (new_rdma_link(buffer)) { + if (new_rdma_link(buffer, ipv6)) { g_test_skip("No rdma link available\n" "# To enable the test:\n" "# Run \'" RDMA_MIGRATION_HELPER " setup\' with root to setup" @@ -159,6 +160,16 @@ static void test_precopy_rdma_plain(void) test_precopy_common(&args); } + +static void test_precopy_rdma_plain(void) +{ + test_precopy_rdma_plain_ip(0); +} + +static void test_precopy_rdma_plain_ipv6(void) +{ + test_precopy_rdma_plain_ip(1); +} #endif static void test_precopy_tcp_plain(void) @@ -1189,6 +1200,8 @@ static void migration_test_add_precopy_smoke(MigrationTestEnv *env) #ifdef CONFIG_RDMA migration_test_add("/migration/precopy/rdma/plain", test_precopy_rdma_plain); + migration_test_add("/migration/precopy/rdma/plain/ipv6", + test_precopy_rdma_plain_ipv6); #endif } -- 2.41.0
