Completely remove test_sock.c and associated config.

Signed-off-by: Jordan Rife <jr...@google.com>
---
 tools/testing/selftests/bpf/.gitignore  |   1 -
 tools/testing/selftests/bpf/Makefile    |   3 +-
 tools/testing/selftests/bpf/test_sock.c | 231 ------------------------
 3 files changed, 1 insertion(+), 234 deletions(-)
 delete mode 100644 tools/testing/selftests/bpf/test_sock.c

diff --git a/tools/testing/selftests/bpf/.gitignore 
b/tools/testing/selftests/bpf/.gitignore
index e6533b3400de..d45c9a9b304d 100644
--- a/tools/testing/selftests/bpf/.gitignore
+++ b/tools/testing/selftests/bpf/.gitignore
@@ -16,7 +16,6 @@ fixdep
 /test_progs-cpuv4
 test_verifier_log
 feature
-test_sock
 urandom_read
 test_sockmap
 test_lirc_mode2_user
diff --git a/tools/testing/selftests/bpf/Makefile 
b/tools/testing/selftests/bpf/Makefile
index 28a76baa854d..c4fc9a3291a8 100644
--- a/tools/testing/selftests/bpf/Makefile
+++ b/tools/testing/selftests/bpf/Makefile
@@ -84,7 +84,7 @@ endif
 
 # Order correspond to 'make run_tests' order
 TEST_GEN_PROGS = test_verifier test_tag test_maps test_lru_map test_lpm_map 
test_progs \
-       test_sock test_sockmap \
+       test_sockmap \
        test_tcpnotify_user test_sysctl \
        test_progs-no_alu32
 TEST_INST_SUBDIRS := no_alu32
@@ -335,7 +335,6 @@ JSON_WRITER         := $(OUTPUT)/json_writer.o
 CAP_HELPERS    := $(OUTPUT)/cap_helpers.o
 NETWORK_HELPERS := $(OUTPUT)/network_helpers.o
 
-$(OUTPUT)/test_sock: $(CGROUP_HELPERS) $(TESTING_HELPERS)
 $(OUTPUT)/test_sockmap: $(CGROUP_HELPERS) $(TESTING_HELPERS)
 $(OUTPUT)/test_tcpnotify_user: $(CGROUP_HELPERS) $(TESTING_HELPERS) 
$(TRACE_HELPERS)
 $(OUTPUT)/test_sock_fields: $(CGROUP_HELPERS) $(TESTING_HELPERS)
diff --git a/tools/testing/selftests/bpf/test_sock.c 
b/tools/testing/selftests/bpf/test_sock.c
deleted file mode 100644
index f97850f1d84a..000000000000
--- a/tools/testing/selftests/bpf/test_sock.c
+++ /dev/null
@@ -1,231 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-// Copyright (c) 2018 Facebook
-
-#include <stdio.h>
-#include <unistd.h>
-
-#include <arpa/inet.h>
-#include <sys/types.h>
-#include <sys/socket.h>
-
-#include <linux/filter.h>
-
-#include <bpf/bpf.h>
-
-#include "cgroup_helpers.h"
-#include <bpf/bpf_endian.h>
-#include "bpf_util.h"
-
-#define CG_PATH                "/foo"
-#define MAX_INSNS      512
-
-char bpf_log_buf[BPF_LOG_BUF_SIZE];
-static bool verbose = false;
-
-struct sock_test {
-       const char *descr;
-       /* BPF prog properties */
-       struct bpf_insn insns[MAX_INSNS];
-       enum bpf_attach_type expected_attach_type;
-       enum bpf_attach_type attach_type;
-       /* Socket properties */
-       int domain;
-       int type;
-       /* Endpoint to bind() to */
-       const char *ip;
-       unsigned short port;
-       unsigned short port_retry;
-       /* Expected test result */
-       enum {
-               LOAD_REJECT,
-               ATTACH_REJECT,
-               BIND_REJECT,
-               SUCCESS,
-               RETRY_SUCCESS,
-               RETRY_REJECT
-       } result;
-};
-
-static struct sock_test tests[] = {
-};
-
-static size_t probe_prog_length(const struct bpf_insn *fp)
-{
-       size_t len;
-
-       for (len = MAX_INSNS - 1; len > 0; --len)
-               if (fp[len].code != 0 || fp[len].imm != 0)
-                       break;
-       return len + 1;
-}
-
-static int load_sock_prog(const struct bpf_insn *prog,
-                         enum bpf_attach_type attach_type)
-{
-       LIBBPF_OPTS(bpf_prog_load_opts, opts);
-       int ret, insn_cnt;
-
-       insn_cnt = probe_prog_length(prog);
-
-       opts.expected_attach_type = attach_type;
-       opts.log_buf = bpf_log_buf;
-       opts.log_size = BPF_LOG_BUF_SIZE;
-       opts.log_level = 2;
-
-       ret = bpf_prog_load(BPF_PROG_TYPE_CGROUP_SOCK, NULL, "GPL", prog, 
insn_cnt, &opts);
-       if (verbose && ret < 0)
-               fprintf(stderr, "%s\n", bpf_log_buf);
-
-       return ret;
-}
-
-static int attach_sock_prog(int cgfd, int progfd,
-                           enum bpf_attach_type attach_type)
-{
-       return bpf_prog_attach(progfd, cgfd, attach_type, BPF_F_ALLOW_OVERRIDE);
-}
-
-static int bind_sock(int domain, int type, const char *ip,
-                    unsigned short port, unsigned short port_retry)
-{
-       struct sockaddr_storage addr;
-       struct sockaddr_in6 *addr6;
-       struct sockaddr_in *addr4;
-       int sockfd = -1;
-       socklen_t len;
-       int res = SUCCESS;
-
-       sockfd = socket(domain, type, 0);
-       if (sockfd < 0)
-               goto err;
-
-       memset(&addr, 0, sizeof(addr));
-
-       if (domain == AF_INET) {
-               len = sizeof(struct sockaddr_in);
-               addr4 = (struct sockaddr_in *)&addr;
-               addr4->sin_family = domain;
-               addr4->sin_port = htons(port);
-               if (inet_pton(domain, ip, (void *)&addr4->sin_addr) != 1)
-                       goto err;
-       } else if (domain == AF_INET6) {
-               len = sizeof(struct sockaddr_in6);
-               addr6 = (struct sockaddr_in6 *)&addr;
-               addr6->sin6_family = domain;
-               addr6->sin6_port = htons(port);
-               if (inet_pton(domain, ip, (void *)&addr6->sin6_addr) != 1)
-                       goto err;
-       } else {
-               goto err;
-       }
-
-       if (bind(sockfd, (const struct sockaddr *)&addr, len) == -1) {
-               /* sys_bind() may fail for different reasons, errno has to be
-                * checked to confirm that BPF program rejected it.
-                */
-               if (errno != EPERM)
-                       goto err;
-               if (port_retry)
-                       goto retry;
-               res = BIND_REJECT;
-               goto out;
-       }
-
-       goto out;
-retry:
-       if (domain == AF_INET)
-               addr4->sin_port = htons(port_retry);
-       else
-               addr6->sin6_port = htons(port_retry);
-       if (bind(sockfd, (const struct sockaddr *)&addr, len) == -1) {
-               if (errno != EPERM)
-                       goto err;
-               res = RETRY_REJECT;
-       } else {
-               res = RETRY_SUCCESS;
-       }
-       goto out;
-err:
-       res = -1;
-out:
-       close(sockfd);
-       return res;
-}
-
-static int run_test_case(int cgfd, const struct sock_test *test)
-{
-       int progfd = -1;
-       int err = 0;
-       int res;
-
-       printf("Test case: %s .. ", test->descr);
-       progfd = load_sock_prog(test->insns, test->expected_attach_type);
-       if (progfd < 0) {
-               if (test->result == LOAD_REJECT)
-                       goto out;
-               else
-                       goto err;
-       }
-
-       if (attach_sock_prog(cgfd, progfd, test->attach_type) < 0) {
-               if (test->result == ATTACH_REJECT)
-                       goto out;
-               else
-                       goto err;
-       }
-
-       res = bind_sock(test->domain, test->type, test->ip, test->port,
-                       test->port_retry);
-       if (res > 0 && test->result == res)
-               goto out;
-
-err:
-       err = -1;
-out:
-       /* Detaching w/o checking return code: best effort attempt. */
-       if (progfd != -1)
-               bpf_prog_detach(cgfd, test->attach_type);
-       close(progfd);
-       printf("[%s]\n", err ? "FAIL" : "PASS");
-       return err;
-}
-
-static int run_tests(int cgfd)
-{
-       int passes = 0;
-       int fails = 0;
-       int i;
-
-       for (i = 0; i < ARRAY_SIZE(tests); ++i) {
-               if (run_test_case(cgfd, &tests[i]))
-                       ++fails;
-               else
-                       ++passes;
-       }
-       printf("Summary: %d PASSED, %d FAILED\n", passes, fails);
-       return fails ? -1 : 0;
-}
-
-int main(int argc, char **argv)
-{
-       int cgfd = -1;
-       int err = 0;
-
-       cgfd = cgroup_setup_and_join(CG_PATH);
-       if (cgfd < 0)
-               goto err;
-
-       /* Use libbpf 1.0 API mode */
-       libbpf_set_strict_mode(LIBBPF_STRICT_ALL);
-
-       if (run_tests(cgfd))
-               goto err;
-
-       goto out;
-err:
-       err = -1;
-out:
-       close(cgfd);
-       cleanup_cgroup_environment();
-       return err;
-}
-- 
2.47.0.rc1.288.g06298d1525-goog


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