From: Geliang Tang tanggeliang@kylinos.cn
Drop type, noconnect and must_fail from network_helper_opts. And use start_server_str in mptcp and test_tcp_check_syncookie_user.
Patches 1-3 address Martin's comments in the previous series.
Geliang Tang (5): selftests/bpf: Drop type from network_helper_opts selftests/bpf: Drop noconnect from network_helper_opts selftests/bpf: Drop must_fail from network_helper_opts selftests/bpf: Use start_server_str in mptcp selftests/bpf: Use start_server_str in test_tcp_check_syncookie_user
tools/testing/selftests/bpf/network_helpers.c | 20 ++++++++----- tools/testing/selftests/bpf/network_helpers.h | 5 ++-- .../selftests/bpf/prog_tests/cgroup_v1v2.c | 5 +--- .../bpf/prog_tests/ip_check_defrag.c | 7 ++--- .../testing/selftests/bpf/prog_tests/mptcp.c | 7 +---- .../bpf/test_tcp_check_syncookie_user.c | 29 ++----------------- 6 files changed, 21 insertions(+), 52 deletions(-)
From: Geliang Tang tanggeliang@kylinos.cn
The opts.{type, noconnect, must_fail} is at least a bit non intuitive or unnecessary. The only use case now is in test_bpf_ip_check_defrag_ok which ends up bypassing most (or at least some) of the connect_to_fd_opts() logic. It's much better that test should have its own connect_to_fd_opts() instead.
This patch adds a new helper named __connect_to_fd_opts() to do this. It accepts a new "type" parameter, then opts->type can be replaced by "type" parameter in this helper. In test_bpf_ip_check_defrag_ok, different types are passed to it. And the strcut member "type" of network_helper_opts can be dropped now.
Then connect_to_fd_opts can implement as a wrapper of this new helper.
Signed-off-by: Geliang Tang tanggeliang@kylinos.cn --- tools/testing/selftests/bpf/network_helpers.c | 14 +++++++++----- tools/testing/selftests/bpf/network_helpers.h | 3 ++- .../selftests/bpf/prog_tests/ip_check_defrag.c | 5 ++--- 3 files changed, 13 insertions(+), 9 deletions(-)
diff --git a/tools/testing/selftests/bpf/network_helpers.c b/tools/testing/selftests/bpf/network_helpers.c index e20caef06aae..902060a70e3b 100644 --- a/tools/testing/selftests/bpf/network_helpers.c +++ b/tools/testing/selftests/bpf/network_helpers.c @@ -303,21 +303,20 @@ int connect_to_addr(int type, const struct sockaddr_storage *addr, socklen_t add return -1; }
-int connect_to_fd_opts(int server_fd, const struct network_helper_opts *opts) +int __connect_to_fd_opts(int server_fd, int type, + const struct network_helper_opts *opts) { struct sockaddr_storage addr; struct sockaddr_in *addr_in; socklen_t addrlen, optlen; - int fd, type, protocol; + int fd, protocol;
if (!opts) opts = &default_opts;
optlen = sizeof(type);
- if (opts->type) { - type = opts->type; - } else { + if (!type) { if (getsockopt(server_fd, SOL_SOCKET, SO_TYPE, &type, &optlen)) { log_err("getsockopt(SOL_TYPE)"); return -1; @@ -364,6 +363,11 @@ int connect_to_fd_opts(int server_fd, const struct network_helper_opts *opts) return -1; }
+int connect_to_fd_opts(int server_fd, const struct network_helper_opts *opts) +{ + return __connect_to_fd_opts(server_fd, 0, opts); +} + int connect_to_fd(int server_fd, int timeout_ms) { struct network_helper_opts opts = { diff --git a/tools/testing/selftests/bpf/network_helpers.h b/tools/testing/selftests/bpf/network_helpers.h index 11eea8e2e4f1..9a7cbea87967 100644 --- a/tools/testing/selftests/bpf/network_helpers.h +++ b/tools/testing/selftests/bpf/network_helpers.h @@ -25,7 +25,6 @@ struct network_helper_opts { int timeout_ms; bool must_fail; bool noconnect; - int type; int proto; int (*post_socket_cb)(int fd, void *opts); void *cb_opts; @@ -61,6 +60,8 @@ void free_fds(int *fds, unsigned int nr_close_fds); int connect_to_addr(int type, const struct sockaddr_storage *addr, socklen_t len, const struct network_helper_opts *opts); int connect_to_fd(int server_fd, int timeout_ms); +int __connect_to_fd_opts(int server_fd, int type, + const struct network_helper_opts *opts); int connect_to_fd_opts(int server_fd, const struct network_helper_opts *opts); int connect_fd_to_fd(int client_fd, int server_fd, int timeout_ms); int fastopen_connect(int server_fd, const char *data, unsigned int data_len, diff --git a/tools/testing/selftests/bpf/prog_tests/ip_check_defrag.c b/tools/testing/selftests/bpf/prog_tests/ip_check_defrag.c index 284764e7179f..30349c866c77 100644 --- a/tools/testing/selftests/bpf/prog_tests/ip_check_defrag.c +++ b/tools/testing/selftests/bpf/prog_tests/ip_check_defrag.c @@ -164,7 +164,6 @@ void test_bpf_ip_check_defrag_ok(bool ipv6) }; struct network_helper_opts tx_ops = { .timeout_ms = 1000, - .type = SOCK_RAW, .proto = IPPROTO_RAW, .noconnect = true, }; @@ -201,7 +200,7 @@ void test_bpf_ip_check_defrag_ok(bool ipv6) nstoken = open_netns(NS0); if (!ASSERT_OK_PTR(nstoken, "setns ns0")) goto out; - client_tx_fd = connect_to_fd_opts(srv_fd, &tx_ops); + client_tx_fd = __connect_to_fd_opts(srv_fd, SOCK_RAW, &tx_ops); close_netns(nstoken); if (!ASSERT_GE(client_tx_fd, 0, "connect_to_fd_opts")) goto out; @@ -210,7 +209,7 @@ void test_bpf_ip_check_defrag_ok(bool ipv6) nstoken = open_netns(NS0); if (!ASSERT_OK_PTR(nstoken, "setns ns0")) goto out; - client_rx_fd = connect_to_fd_opts(srv_fd, &rx_opts); + client_rx_fd = __connect_to_fd_opts(srv_fd, 0, &rx_opts); close_netns(nstoken); if (!ASSERT_GE(client_rx_fd, 0, "connect_to_fd_opts")) goto out;
On Tue, 2024-06-11 at 09:59 +0800, Geliang Tang wrote:
Patches #1,2,3 trade options specified as struct fields for options specified as function parameters. Tbh, this seems to be an opinionated stylistic change, what is the need for it?
If anything, I think that this is less readable:
compared to this:
...
(given that by patch #3 three parameters are added to __connect_to_fd_opts() *and* it also accepts options).
[...]
On Tue, 2024-06-11 at 14:20 -0700, Eduard Zingerman wrote:
Thanks for your review.
Patches 1-3 address Martin's comment for "Drop type parameter of start_server_addr" [1].
Since opts.{type, noconnect} are only used in ip_check_defrag.c and opts.must_fail is only used in cgroup_v1v2.c, they are not generic enough to be added into network_helper_opts. So this set removes them from network_helper_opts and use them as function parameters.
Thanks, -Geliang
[1] https://patchwork.kernel.org/project/netdevbpf/patch/65dd42dd91d678740e9c05e...
From: Geliang Tang tanggeliang@kylinos.cn
This patch adds another new parameter "noconnect" for __connect_to_fd_opts, then opts->noconnect can be replaced by "noconnect" parameter in it. In test_bpf_ip_check_defrag_ok(), true is passed to it. And the strcut member "noconnect" of network_helper_opts can be dropped now.
Signed-off-by: Geliang Tang tanggeliang@kylinos.cn --- tools/testing/selftests/bpf/network_helpers.c | 6 +++--- tools/testing/selftests/bpf/network_helpers.h | 3 +-- tools/testing/selftests/bpf/prog_tests/ip_check_defrag.c | 6 ++---- 3 files changed, 6 insertions(+), 9 deletions(-)
diff --git a/tools/testing/selftests/bpf/network_helpers.c b/tools/testing/selftests/bpf/network_helpers.c index 902060a70e3b..0f53638ae5a0 100644 --- a/tools/testing/selftests/bpf/network_helpers.c +++ b/tools/testing/selftests/bpf/network_helpers.c @@ -303,7 +303,7 @@ int connect_to_addr(int type, const struct sockaddr_storage *addr, socklen_t add return -1; }
-int __connect_to_fd_opts(int server_fd, int type, +int __connect_to_fd_opts(int server_fd, int type, bool noconnect, const struct network_helper_opts *opts) { struct sockaddr_storage addr; @@ -352,7 +352,7 @@ int __connect_to_fd_opts(int server_fd, int type, opts->post_socket_cb(fd, opts->cb_opts)) goto error_close;
- if (!opts->noconnect) + if (!noconnect) if (connect_fd_to_addr(fd, &addr, addrlen, opts->must_fail)) goto error_close;
@@ -365,7 +365,7 @@ int __connect_to_fd_opts(int server_fd, int type,
int connect_to_fd_opts(int server_fd, const struct network_helper_opts *opts) { - return __connect_to_fd_opts(server_fd, 0, opts); + return __connect_to_fd_opts(server_fd, 0, false, opts); }
int connect_to_fd(int server_fd, int timeout_ms) diff --git a/tools/testing/selftests/bpf/network_helpers.h b/tools/testing/selftests/bpf/network_helpers.h index 9a7cbea87967..e029d4ff983e 100644 --- a/tools/testing/selftests/bpf/network_helpers.h +++ b/tools/testing/selftests/bpf/network_helpers.h @@ -24,7 +24,6 @@ typedef __u16 __sum16; struct network_helper_opts { int timeout_ms; bool must_fail; - bool noconnect; int proto; int (*post_socket_cb)(int fd, void *opts); void *cb_opts; @@ -60,7 +59,7 @@ void free_fds(int *fds, unsigned int nr_close_fds); int connect_to_addr(int type, const struct sockaddr_storage *addr, socklen_t len, const struct network_helper_opts *opts); int connect_to_fd(int server_fd, int timeout_ms); -int __connect_to_fd_opts(int server_fd, int type, +int __connect_to_fd_opts(int server_fd, int type, bool noconnect, const struct network_helper_opts *opts); int connect_to_fd_opts(int server_fd, const struct network_helper_opts *opts); int connect_fd_to_fd(int client_fd, int server_fd, int timeout_ms); diff --git a/tools/testing/selftests/bpf/prog_tests/ip_check_defrag.c b/tools/testing/selftests/bpf/prog_tests/ip_check_defrag.c index 30349c866c77..330dfba95c56 100644 --- a/tools/testing/selftests/bpf/prog_tests/ip_check_defrag.c +++ b/tools/testing/selftests/bpf/prog_tests/ip_check_defrag.c @@ -160,12 +160,10 @@ void test_bpf_ip_check_defrag_ok(bool ipv6) { struct network_helper_opts rx_opts = { .timeout_ms = 1000, - .noconnect = true, }; struct network_helper_opts tx_ops = { .timeout_ms = 1000, .proto = IPPROTO_RAW, - .noconnect = true, }; struct sockaddr_storage caddr; struct ip_check_defrag *skel; @@ -200,7 +198,7 @@ void test_bpf_ip_check_defrag_ok(bool ipv6) nstoken = open_netns(NS0); if (!ASSERT_OK_PTR(nstoken, "setns ns0")) goto out; - client_tx_fd = __connect_to_fd_opts(srv_fd, SOCK_RAW, &tx_ops); + client_tx_fd = __connect_to_fd_opts(srv_fd, SOCK_RAW, true, &tx_ops); close_netns(nstoken); if (!ASSERT_GE(client_tx_fd, 0, "connect_to_fd_opts")) goto out; @@ -209,7 +207,7 @@ void test_bpf_ip_check_defrag_ok(bool ipv6) nstoken = open_netns(NS0); if (!ASSERT_OK_PTR(nstoken, "setns ns0")) goto out; - client_rx_fd = __connect_to_fd_opts(srv_fd, 0, &rx_opts); + client_rx_fd = __connect_to_fd_opts(srv_fd, 0, true, &rx_opts); close_netns(nstoken); if (!ASSERT_GE(client_rx_fd, 0, "connect_to_fd_opts")) goto out;
From: Geliang Tang tanggeliang@kylinos.cn
This patch adds another new parameter "must_fail" for __connect_to_fd_opts, then opts->must_fail can be replaced by "must_fail" parameter in it. In run_test() of cgroup_v1v2, true is passed to it, while false is passed in other places. And the strcut member "must_fail" of network_helper_opts can be dropped now.
Signed-off-by: Geliang Tang tanggeliang@kylinos.cn --- tools/testing/selftests/bpf/network_helpers.c | 8 ++++---- tools/testing/selftests/bpf/network_helpers.h | 3 +-- tools/testing/selftests/bpf/prog_tests/cgroup_v1v2.c | 5 +---- tools/testing/selftests/bpf/prog_tests/ip_check_defrag.c | 4 ++-- 4 files changed, 8 insertions(+), 12 deletions(-)
diff --git a/tools/testing/selftests/bpf/network_helpers.c b/tools/testing/selftests/bpf/network_helpers.c index 0f53638ae5a0..1c4c783719b7 100644 --- a/tools/testing/selftests/bpf/network_helpers.c +++ b/tools/testing/selftests/bpf/network_helpers.c @@ -293,7 +293,7 @@ int connect_to_addr(int type, const struct sockaddr_storage *addr, socklen_t add if (settimeo(fd, opts->timeout_ms)) goto error_close;
- if (connect_fd_to_addr(fd, addr, addrlen, opts->must_fail)) + if (connect_fd_to_addr(fd, addr, addrlen, false)) goto error_close;
return fd; @@ -303,7 +303,7 @@ int connect_to_addr(int type, const struct sockaddr_storage *addr, socklen_t add return -1; }
-int __connect_to_fd_opts(int server_fd, int type, bool noconnect, +int __connect_to_fd_opts(int server_fd, int type, bool noconnect, bool must_fail, const struct network_helper_opts *opts) { struct sockaddr_storage addr; @@ -353,7 +353,7 @@ int __connect_to_fd_opts(int server_fd, int type, bool noconnect, goto error_close;
if (!noconnect) - if (connect_fd_to_addr(fd, &addr, addrlen, opts->must_fail)) + if (connect_fd_to_addr(fd, &addr, addrlen, must_fail)) goto error_close;
return fd; @@ -365,7 +365,7 @@ int __connect_to_fd_opts(int server_fd, int type, bool noconnect,
int connect_to_fd_opts(int server_fd, const struct network_helper_opts *opts) { - return __connect_to_fd_opts(server_fd, 0, false, opts); + return __connect_to_fd_opts(server_fd, 0, false, false, opts); }
int connect_to_fd(int server_fd, int timeout_ms) diff --git a/tools/testing/selftests/bpf/network_helpers.h b/tools/testing/selftests/bpf/network_helpers.h index e029d4ff983e..fefe2ed0c798 100644 --- a/tools/testing/selftests/bpf/network_helpers.h +++ b/tools/testing/selftests/bpf/network_helpers.h @@ -23,7 +23,6 @@ typedef __u16 __sum16;
struct network_helper_opts { int timeout_ms; - bool must_fail; int proto; int (*post_socket_cb)(int fd, void *opts); void *cb_opts; @@ -59,7 +58,7 @@ void free_fds(int *fds, unsigned int nr_close_fds); int connect_to_addr(int type, const struct sockaddr_storage *addr, socklen_t len, const struct network_helper_opts *opts); int connect_to_fd(int server_fd, int timeout_ms); -int __connect_to_fd_opts(int server_fd, int type, bool noconnect, +int __connect_to_fd_opts(int server_fd, int type, bool noconnect, bool must_fail, const struct network_helper_opts *opts); int connect_to_fd_opts(int server_fd, const struct network_helper_opts *opts); int connect_fd_to_fd(int client_fd, int server_fd, int timeout_ms); diff --git a/tools/testing/selftests/bpf/prog_tests/cgroup_v1v2.c b/tools/testing/selftests/bpf/prog_tests/cgroup_v1v2.c index addf720428f7..124132b435ba 100644 --- a/tools/testing/selftests/bpf/prog_tests/cgroup_v1v2.c +++ b/tools/testing/selftests/bpf/prog_tests/cgroup_v1v2.c @@ -9,9 +9,6 @@
static int run_test(int cgroup_fd, int server_fd, bool classid) { - struct network_helper_opts opts = { - .must_fail = true, - }; struct connect4_dropper *skel; int fd, err = 0;
@@ -32,7 +29,7 @@ static int run_test(int cgroup_fd, int server_fd, bool classid) goto out; }
- fd = connect_to_fd_opts(server_fd, &opts); + fd = __connect_to_fd_opts(server_fd, 0, false, true, NULL); if (fd < 0) err = -1; else diff --git a/tools/testing/selftests/bpf/prog_tests/ip_check_defrag.c b/tools/testing/selftests/bpf/prog_tests/ip_check_defrag.c index 330dfba95c56..948e1ca287a2 100644 --- a/tools/testing/selftests/bpf/prog_tests/ip_check_defrag.c +++ b/tools/testing/selftests/bpf/prog_tests/ip_check_defrag.c @@ -198,7 +198,7 @@ void test_bpf_ip_check_defrag_ok(bool ipv6) nstoken = open_netns(NS0); if (!ASSERT_OK_PTR(nstoken, "setns ns0")) goto out; - client_tx_fd = __connect_to_fd_opts(srv_fd, SOCK_RAW, true, &tx_ops); + client_tx_fd = __connect_to_fd_opts(srv_fd, SOCK_RAW, true, false, &tx_ops); close_netns(nstoken); if (!ASSERT_GE(client_tx_fd, 0, "connect_to_fd_opts")) goto out; @@ -207,7 +207,7 @@ void test_bpf_ip_check_defrag_ok(bool ipv6) nstoken = open_netns(NS0); if (!ASSERT_OK_PTR(nstoken, "setns ns0")) goto out; - client_rx_fd = __connect_to_fd_opts(srv_fd, 0, true, &rx_opts); + client_rx_fd = __connect_to_fd_opts(srv_fd, 0, true, false, &rx_opts); close_netns(nstoken); if (!ASSERT_GE(client_rx_fd, 0, "connect_to_fd_opts")) goto out;
From: Geliang Tang tanggeliang@kylinos.cn
Since start_server_str() is added now, it can be used in mptcp.c in start_mptcp_server() instead of using helpers make_sockaddr() and start_server_addr() to simplify the code.
Signed-off-by: Geliang Tang tanggeliang@kylinos.cn --- tools/testing/selftests/bpf/prog_tests/mptcp.c | 7 +------ 1 file changed, 1 insertion(+), 6 deletions(-)
diff --git a/tools/testing/selftests/bpf/prog_tests/mptcp.c b/tools/testing/selftests/bpf/prog_tests/mptcp.c index 4472aa404da0..00f63f3f19f4 100644 --- a/tools/testing/selftests/bpf/prog_tests/mptcp.c +++ b/tools/testing/selftests/bpf/prog_tests/mptcp.c @@ -104,13 +104,8 @@ static int start_mptcp_server(int family, const char *addr_str, __u16 port, .timeout_ms = timeout_ms, .proto = IPPROTO_MPTCP, }; - struct sockaddr_storage addr; - socklen_t addrlen;
- if (make_sockaddr(family, addr_str, port, &addr, &addrlen)) - return -1; - - return start_server_addr(SOCK_STREAM, &addr, addrlen, &opts); + return start_server_str(family, SOCK_STREAM, addr_str, port, &opts); }
static int verify_tsk(int map_fd, int client_fd)
On Tue, 2024-06-11 at 09:59 +0800, Geliang Tang wrote:
Acked-by: Eduard Zingerman eddyz87@gmail.com
From: Geliang Tang tanggeliang@kylinos.cn
Since start_server_str() is added now, it can be used in script test_tcp_check_syncookie_user.c instead of start_server_addr() to simplify the code.
Signed-off-by: Geliang Tang tanggeliang@kylinos.cn --- .../bpf/test_tcp_check_syncookie_user.c | 29 ++----------------- 1 file changed, 3 insertions(+), 26 deletions(-)
diff --git a/tools/testing/selftests/bpf/test_tcp_check_syncookie_user.c b/tools/testing/selftests/bpf/test_tcp_check_syncookie_user.c index aebc58c24dc5..3844f9b8232a 100644 --- a/tools/testing/selftests/bpf/test_tcp_check_syncookie_user.c +++ b/tools/testing/selftests/bpf/test_tcp_check_syncookie_user.c @@ -156,10 +156,6 @@ static int v6only_false(int fd, void *opts) int main(int argc, char **argv) { struct network_helper_opts opts = { 0 }; - struct sockaddr_in addr4; - struct sockaddr_in6 addr6; - struct sockaddr_in addr4dual; - struct sockaddr_in6 addr6dual; int server = -1; int server_v6 = -1; int server_dual = -1; @@ -181,36 +177,17 @@ int main(int argc, char **argv) goto err; }
- memset(&addr4, 0, sizeof(addr4)); - addr4.sin_family = AF_INET; - addr4.sin_addr.s_addr = htonl(INADDR_LOOPBACK); - addr4.sin_port = 0; - memcpy(&addr4dual, &addr4, sizeof(addr4dual)); - - memset(&addr6, 0, sizeof(addr6)); - addr6.sin6_family = AF_INET6; - addr6.sin6_addr = in6addr_loopback; - addr6.sin6_port = 0; - - memset(&addr6dual, 0, sizeof(addr6dual)); - addr6dual.sin6_family = AF_INET6; - addr6dual.sin6_addr = in6addr_any; - addr6dual.sin6_port = 0; - - server = start_server_addr(SOCK_STREAM, (struct sockaddr_storage *)&addr4, - sizeof(addr4), NULL); + server = start_server_str(AF_INET, SOCK_STREAM, "127.0.0.1", 0, NULL); if (server == -1) goto err;
opts.post_socket_cb = v6only_true; - server_v6 = start_server_addr(SOCK_STREAM, (struct sockaddr_storage *)&addr6, - sizeof(addr6), &opts); + server_v6 = start_server_str(AF_INET6, SOCK_STREAM, "::1", 0, &opts); if (server_v6 == -1) goto err;
opts.post_socket_cb = v6only_false; - server_dual = start_server_addr(SOCK_STREAM, (struct sockaddr_storage *)&addr6dual, - sizeof(addr6dual), &opts); + server_dual = start_server_str(AF_INET6, SOCK_STREAM, "::0", 0, &opts); if (server_dual == -1) goto err;
On Tue, 2024-06-11 at 09:59 +0800, Geliang Tang wrote:
Acked-by: Eduard Zingerman eddyz87@gmail.com
linux-kselftest-mirror@lists.linaro.org
-
Eduard Zingerman -
Geliang Tang