116962b24SJohn Fastabend // SPDX-License-Identifier: GPL-2.0 216962b24SJohn Fastabend // Copyright (c) 2017-2018 Covalent IO, Inc. http://covalent.io 316962b24SJohn Fastabend #include <stdio.h> 416962b24SJohn Fastabend #include <stdlib.h> 516962b24SJohn Fastabend #include <sys/socket.h> 616962b24SJohn Fastabend #include <sys/ioctl.h> 716962b24SJohn Fastabend #include <sys/select.h> 816962b24SJohn Fastabend #include <netinet/in.h> 916962b24SJohn Fastabend #include <arpa/inet.h> 1016962b24SJohn Fastabend #include <unistd.h> 1116962b24SJohn Fastabend #include <string.h> 1216962b24SJohn Fastabend #include <errno.h> 1316962b24SJohn Fastabend #include <stdbool.h> 1416962b24SJohn Fastabend #include <signal.h> 1516962b24SJohn Fastabend #include <fcntl.h> 1616962b24SJohn Fastabend #include <sys/wait.h> 1716962b24SJohn Fastabend #include <time.h> 1816962b24SJohn Fastabend #include <sched.h> 1916962b24SJohn Fastabend 2016962b24SJohn Fastabend #include <sys/time.h> 2116962b24SJohn Fastabend #include <sys/resource.h> 2216962b24SJohn Fastabend #include <sys/types.h> 2316962b24SJohn Fastabend #include <sys/sendfile.h> 2416962b24SJohn Fastabend 2516962b24SJohn Fastabend #include <linux/netlink.h> 2616962b24SJohn Fastabend #include <linux/socket.h> 2716962b24SJohn Fastabend #include <linux/sock_diag.h> 2816962b24SJohn Fastabend #include <linux/bpf.h> 2916962b24SJohn Fastabend #include <linux/if_link.h> 30421f4292SDaniel Borkmann #include <linux/tls.h> 3116962b24SJohn Fastabend #include <assert.h> 3216962b24SJohn Fastabend #include <libgen.h> 3316962b24SJohn Fastabend 3416962b24SJohn Fastabend #include <getopt.h> 3516962b24SJohn Fastabend 3616962b24SJohn Fastabend #include <bpf/bpf.h> 3716962b24SJohn Fastabend #include <bpf/libbpf.h> 3816962b24SJohn Fastabend 3916962b24SJohn Fastabend #include "bpf_util.h" 4016962b24SJohn Fastabend #include "bpf_rlimit.h" 4116962b24SJohn Fastabend #include "cgroup_helpers.h" 4216962b24SJohn Fastabend 4316962b24SJohn Fastabend int running; 4416962b24SJohn Fastabend static void running_handler(int a); 4516962b24SJohn Fastabend 46421f4292SDaniel Borkmann #ifndef TCP_ULP 47421f4292SDaniel Borkmann # define TCP_ULP 31 48421f4292SDaniel Borkmann #endif 49421f4292SDaniel Borkmann #ifndef SOL_TLS 50421f4292SDaniel Borkmann # define SOL_TLS 282 51421f4292SDaniel Borkmann #endif 52421f4292SDaniel Borkmann 5316962b24SJohn Fastabend /* randomly selected ports for testing on lo */ 5416962b24SJohn Fastabend #define S1_PORT 10000 5516962b24SJohn Fastabend #define S2_PORT 10001 5616962b24SJohn Fastabend 57b8b394faSJohn Fastabend #define BPF_SOCKMAP_FILENAME "test_sockmap_kern.o" 58b8b394faSJohn Fastabend #define BPF_SOCKHASH_FILENAME "test_sockhash_kern.o" 5916962b24SJohn Fastabend #define CG_PATH "/sockmap" 6016962b24SJohn Fastabend 6116962b24SJohn Fastabend /* global sockets */ 6216962b24SJohn Fastabend int s1, s2, c1, c2, p1, p2; 6316962b24SJohn Fastabend int test_cnt; 6416962b24SJohn Fastabend int passed; 6516962b24SJohn Fastabend int failed; 66463bac5fSJohn Fastabend int map_fd[9]; 67463bac5fSJohn Fastabend struct bpf_map *maps[9]; 6816962b24SJohn Fastabend int prog_fd[11]; 6916962b24SJohn Fastabend 7016962b24SJohn Fastabend int txmsg_pass; 7116962b24SJohn Fastabend int txmsg_redir; 7216962b24SJohn Fastabend int txmsg_drop; 7316962b24SJohn Fastabend int txmsg_apply; 7416962b24SJohn Fastabend int txmsg_cork; 7516962b24SJohn Fastabend int txmsg_start; 7616962b24SJohn Fastabend int txmsg_end; 7784fbfe02SJohn Fastabend int txmsg_start_push; 7884fbfe02SJohn Fastabend int txmsg_end_push; 791ade9abaSJohn Fastabend int txmsg_start_pop; 801ade9abaSJohn Fastabend int txmsg_pop; 8116962b24SJohn Fastabend int txmsg_ingress; 82463bac5fSJohn Fastabend int txmsg_redir_skb; 83463bac5fSJohn Fastabend int txmsg_ktls_skb; 84463bac5fSJohn Fastabend int txmsg_ktls_skb_drop; 85463bac5fSJohn Fastabend int txmsg_ktls_skb_redir; 86e9dd9047SJohn Fastabend int ktls; 87753fb2eeSJohn Fastabend int peek_flag; 8853792fa4SJohn Fastabend int skb_use_parser; 89cdf43c4bSJohn Fastabend int txmsg_omit_skb_parser; 9016962b24SJohn Fastabend 9116962b24SJohn Fastabend static const struct option long_options[] = { 9216962b24SJohn Fastabend {"help", no_argument, NULL, 'h' }, 9316962b24SJohn Fastabend {"cgroup", required_argument, NULL, 'c' }, 9416962b24SJohn Fastabend {"rate", required_argument, NULL, 'r' }, 95b98ca90cSJohn Fastabend {"verbose", optional_argument, NULL, 'v' }, 9616962b24SJohn Fastabend {"iov_count", required_argument, NULL, 'i' }, 9716962b24SJohn Fastabend {"length", required_argument, NULL, 'l' }, 9816962b24SJohn Fastabend {"test", required_argument, NULL, 't' }, 9916962b24SJohn Fastabend {"data_test", no_argument, NULL, 'd' }, 10016962b24SJohn Fastabend {"txmsg", no_argument, &txmsg_pass, 1 }, 10116962b24SJohn Fastabend {"txmsg_redir", no_argument, &txmsg_redir, 1 }, 10216962b24SJohn Fastabend {"txmsg_drop", no_argument, &txmsg_drop, 1 }, 10316962b24SJohn Fastabend {"txmsg_apply", required_argument, NULL, 'a'}, 10416962b24SJohn Fastabend {"txmsg_cork", required_argument, NULL, 'k'}, 10516962b24SJohn Fastabend {"txmsg_start", required_argument, NULL, 's'}, 10616962b24SJohn Fastabend {"txmsg_end", required_argument, NULL, 'e'}, 10784fbfe02SJohn Fastabend {"txmsg_start_push", required_argument, NULL, 'p'}, 10884fbfe02SJohn Fastabend {"txmsg_end_push", required_argument, NULL, 'q'}, 1091ade9abaSJohn Fastabend {"txmsg_start_pop", required_argument, NULL, 'w'}, 1101ade9abaSJohn Fastabend {"txmsg_pop", required_argument, NULL, 'x'}, 11116962b24SJohn Fastabend {"txmsg_ingress", no_argument, &txmsg_ingress, 1 }, 112463bac5fSJohn Fastabend {"txmsg_redir_skb", no_argument, &txmsg_redir_skb, 1 }, 113e9dd9047SJohn Fastabend {"ktls", no_argument, &ktls, 1 }, 114753fb2eeSJohn Fastabend {"peek", no_argument, &peek_flag, 1 }, 115cdf43c4bSJohn Fastabend {"txmsg_omit_skb_parser", no_argument, &txmsg_omit_skb_parser, 1}, 116065a74cbSJohn Fastabend {"whitelist", required_argument, NULL, 'n' }, 117a7238f7cSJohn Fastabend {"blacklist", required_argument, NULL, 'b' }, 11816962b24SJohn Fastabend {0, 0, NULL, 0 } 11916962b24SJohn Fastabend }; 12016962b24SJohn Fastabend 121328aa08aSJohn Fastabend struct test_env { 122328aa08aSJohn Fastabend const char *type; 123328aa08aSJohn Fastabend const char *subtest; 12496586dd9SJohn Fastabend const char *prepend; 125328aa08aSJohn Fastabend 126328aa08aSJohn Fastabend int test_num; 127328aa08aSJohn Fastabend int subtest_num; 128328aa08aSJohn Fastabend 129328aa08aSJohn Fastabend int succ_cnt; 130328aa08aSJohn Fastabend int fail_cnt; 131328aa08aSJohn Fastabend int fail_last; 132328aa08aSJohn Fastabend }; 133328aa08aSJohn Fastabend 134328aa08aSJohn Fastabend struct test_env env; 135328aa08aSJohn Fastabend 13696586dd9SJohn Fastabend struct sockmap_options { 13796586dd9SJohn Fastabend int verbose; 13896586dd9SJohn Fastabend bool base; 13996586dd9SJohn Fastabend bool sendpage; 14096586dd9SJohn Fastabend bool data_test; 14196586dd9SJohn Fastabend bool drop_expected; 14296586dd9SJohn Fastabend int iov_count; 14396586dd9SJohn Fastabend int iov_length; 14496586dd9SJohn Fastabend int rate; 14596586dd9SJohn Fastabend char *map; 14696586dd9SJohn Fastabend char *whitelist; 14796586dd9SJohn Fastabend char *blacklist; 14896586dd9SJohn Fastabend char *prepend; 14996586dd9SJohn Fastabend }; 15096586dd9SJohn Fastabend 15196586dd9SJohn Fastabend struct _test { 15296586dd9SJohn Fastabend char *title; 15396586dd9SJohn Fastabend void (*tester)(int cg_fd, struct sockmap_options *opt); 15496586dd9SJohn Fastabend }; 15596586dd9SJohn Fastabend 156328aa08aSJohn Fastabend static void test_start(void) 157328aa08aSJohn Fastabend { 158328aa08aSJohn Fastabend env.subtest_num++; 159328aa08aSJohn Fastabend } 160328aa08aSJohn Fastabend 161328aa08aSJohn Fastabend static void test_fail(void) 162328aa08aSJohn Fastabend { 163328aa08aSJohn Fastabend env.fail_cnt++; 164328aa08aSJohn Fastabend } 165328aa08aSJohn Fastabend 166328aa08aSJohn Fastabend static void test_pass(void) 167328aa08aSJohn Fastabend { 168328aa08aSJohn Fastabend env.succ_cnt++; 169328aa08aSJohn Fastabend } 170328aa08aSJohn Fastabend 171328aa08aSJohn Fastabend static void test_reset(void) 172328aa08aSJohn Fastabend { 173328aa08aSJohn Fastabend txmsg_start = txmsg_end = 0; 174328aa08aSJohn Fastabend txmsg_start_pop = txmsg_pop = 0; 175328aa08aSJohn Fastabend txmsg_start_push = txmsg_end_push = 0; 176328aa08aSJohn Fastabend txmsg_pass = txmsg_drop = txmsg_redir = 0; 177328aa08aSJohn Fastabend txmsg_apply = txmsg_cork = 0; 178463bac5fSJohn Fastabend txmsg_ingress = txmsg_redir_skb = 0; 179463bac5fSJohn Fastabend txmsg_ktls_skb = txmsg_ktls_skb_drop = txmsg_ktls_skb_redir = 0; 180cdf43c4bSJohn Fastabend txmsg_omit_skb_parser = 0; 18153792fa4SJohn Fastabend skb_use_parser = 0; 182328aa08aSJohn Fastabend } 183328aa08aSJohn Fastabend 18496586dd9SJohn Fastabend static int test_start_subtest(const struct _test *t, struct sockmap_options *o) 185328aa08aSJohn Fastabend { 18696586dd9SJohn Fastabend env.type = o->map; 18796586dd9SJohn Fastabend env.subtest = t->title; 18896586dd9SJohn Fastabend env.prepend = o->prepend; 189328aa08aSJohn Fastabend env.test_num++; 190328aa08aSJohn Fastabend env.subtest_num = 0; 191328aa08aSJohn Fastabend env.fail_last = env.fail_cnt; 192328aa08aSJohn Fastabend test_reset(); 193328aa08aSJohn Fastabend return 0; 194328aa08aSJohn Fastabend } 195328aa08aSJohn Fastabend 196328aa08aSJohn Fastabend static void test_end_subtest(void) 197328aa08aSJohn Fastabend { 198328aa08aSJohn Fastabend int error = env.fail_cnt - env.fail_last; 199328aa08aSJohn Fastabend int type = strcmp(env.type, BPF_SOCKMAP_FILENAME); 200328aa08aSJohn Fastabend 201328aa08aSJohn Fastabend if (!error) 202328aa08aSJohn Fastabend test_pass(); 203328aa08aSJohn Fastabend 20496586dd9SJohn Fastabend fprintf(stdout, "#%2d/%2d %8s:%s:%s:%s\n", 205328aa08aSJohn Fastabend env.test_num, env.subtest_num, 206328aa08aSJohn Fastabend !type ? "sockmap" : "sockhash", 20796586dd9SJohn Fastabend env.prepend ? : "", 208328aa08aSJohn Fastabend env.subtest, error ? "FAIL" : "OK"); 209328aa08aSJohn Fastabend } 210328aa08aSJohn Fastabend 211328aa08aSJohn Fastabend static void test_print_results(void) 212328aa08aSJohn Fastabend { 213328aa08aSJohn Fastabend fprintf(stdout, "Pass: %d Fail: %d\n", 214328aa08aSJohn Fastabend env.succ_cnt, env.fail_cnt); 215328aa08aSJohn Fastabend } 216328aa08aSJohn Fastabend 21716962b24SJohn Fastabend static void usage(char *argv[]) 21816962b24SJohn Fastabend { 21916962b24SJohn Fastabend int i; 22016962b24SJohn Fastabend 22116962b24SJohn Fastabend printf(" Usage: %s --cgroup <cgroup_path>\n", argv[0]); 22216962b24SJohn Fastabend printf(" options:\n"); 22316962b24SJohn Fastabend for (i = 0; long_options[i].name != 0; i++) { 22416962b24SJohn Fastabend printf(" --%-12s", long_options[i].name); 22516962b24SJohn Fastabend if (long_options[i].flag != NULL) 22616962b24SJohn Fastabend printf(" flag (internal value:%d)\n", 22716962b24SJohn Fastabend *long_options[i].flag); 22816962b24SJohn Fastabend else 22916962b24SJohn Fastabend printf(" -%c\n", long_options[i].val); 23016962b24SJohn Fastabend } 23116962b24SJohn Fastabend printf("\n"); 23216962b24SJohn Fastabend } 23316962b24SJohn Fastabend 234e9dd9047SJohn Fastabend char *sock_to_string(int s) 235e9dd9047SJohn Fastabend { 236e9dd9047SJohn Fastabend if (s == c1) 237e9dd9047SJohn Fastabend return "client1"; 238e9dd9047SJohn Fastabend else if (s == c2) 239e9dd9047SJohn Fastabend return "client2"; 240e9dd9047SJohn Fastabend else if (s == s1) 241e9dd9047SJohn Fastabend return "server1"; 242e9dd9047SJohn Fastabend else if (s == s2) 243e9dd9047SJohn Fastabend return "server2"; 244e9dd9047SJohn Fastabend else if (s == p1) 245e9dd9047SJohn Fastabend return "peer1"; 246e9dd9047SJohn Fastabend else if (s == p2) 247e9dd9047SJohn Fastabend return "peer2"; 248e9dd9047SJohn Fastabend else 249e9dd9047SJohn Fastabend return "unknown"; 250e9dd9047SJohn Fastabend } 251e9dd9047SJohn Fastabend 252e9dd9047SJohn Fastabend static int sockmap_init_ktls(int verbose, int s) 253e9dd9047SJohn Fastabend { 254e9dd9047SJohn Fastabend struct tls12_crypto_info_aes_gcm_128 tls_tx = { 255e9dd9047SJohn Fastabend .info = { 256e9dd9047SJohn Fastabend .version = TLS_1_2_VERSION, 257e9dd9047SJohn Fastabend .cipher_type = TLS_CIPHER_AES_GCM_128, 258e9dd9047SJohn Fastabend }, 259e9dd9047SJohn Fastabend }; 260e9dd9047SJohn Fastabend struct tls12_crypto_info_aes_gcm_128 tls_rx = { 261e9dd9047SJohn Fastabend .info = { 262e9dd9047SJohn Fastabend .version = TLS_1_2_VERSION, 263e9dd9047SJohn Fastabend .cipher_type = TLS_CIPHER_AES_GCM_128, 264e9dd9047SJohn Fastabend }, 265e9dd9047SJohn Fastabend }; 266e9dd9047SJohn Fastabend int so_buf = 6553500; 267e9dd9047SJohn Fastabend int err; 268e9dd9047SJohn Fastabend 269e9dd9047SJohn Fastabend err = setsockopt(s, 6, TCP_ULP, "tls", sizeof("tls")); 270e9dd9047SJohn Fastabend if (err) { 271e9dd9047SJohn Fastabend fprintf(stderr, "setsockopt: TCP_ULP(%s) failed with error %i\n", sock_to_string(s), err); 272e9dd9047SJohn Fastabend return -EINVAL; 273e9dd9047SJohn Fastabend } 274e9dd9047SJohn Fastabend err = setsockopt(s, SOL_TLS, TLS_TX, (void *)&tls_tx, sizeof(tls_tx)); 275e9dd9047SJohn Fastabend if (err) { 276e9dd9047SJohn Fastabend fprintf(stderr, "setsockopt: TLS_TX(%s) failed with error %i\n", sock_to_string(s), err); 277e9dd9047SJohn Fastabend return -EINVAL; 278e9dd9047SJohn Fastabend } 279e9dd9047SJohn Fastabend err = setsockopt(s, SOL_TLS, TLS_RX, (void *)&tls_rx, sizeof(tls_rx)); 280e9dd9047SJohn Fastabend if (err) { 281e9dd9047SJohn Fastabend fprintf(stderr, "setsockopt: TLS_RX(%s) failed with error %i\n", sock_to_string(s), err); 282e9dd9047SJohn Fastabend return -EINVAL; 283e9dd9047SJohn Fastabend } 284e9dd9047SJohn Fastabend err = setsockopt(s, SOL_SOCKET, SO_SNDBUF, &so_buf, sizeof(so_buf)); 285e9dd9047SJohn Fastabend if (err) { 286e9dd9047SJohn Fastabend fprintf(stderr, "setsockopt: (%s) failed sndbuf with error %i\n", sock_to_string(s), err); 287e9dd9047SJohn Fastabend return -EINVAL; 288e9dd9047SJohn Fastabend } 289e9dd9047SJohn Fastabend err = setsockopt(s, SOL_SOCKET, SO_RCVBUF, &so_buf, sizeof(so_buf)); 290e9dd9047SJohn Fastabend if (err) { 291e9dd9047SJohn Fastabend fprintf(stderr, "setsockopt: (%s) failed rcvbuf with error %i\n", sock_to_string(s), err); 292e9dd9047SJohn Fastabend return -EINVAL; 293e9dd9047SJohn Fastabend } 294e9dd9047SJohn Fastabend 295e9dd9047SJohn Fastabend if (verbose) 296e9dd9047SJohn Fastabend fprintf(stdout, "socket(%s) kTLS enabled\n", sock_to_string(s)); 297e9dd9047SJohn Fastabend return 0; 298e9dd9047SJohn Fastabend } 29916962b24SJohn Fastabend static int sockmap_init_sockets(int verbose) 30016962b24SJohn Fastabend { 30116962b24SJohn Fastabend int i, err, one = 1; 30216962b24SJohn Fastabend struct sockaddr_in addr; 30316962b24SJohn Fastabend int *fds[4] = {&s1, &s2, &c1, &c2}; 30416962b24SJohn Fastabend 30516962b24SJohn Fastabend s1 = s2 = p1 = p2 = c1 = c2 = 0; 30616962b24SJohn Fastabend 30716962b24SJohn Fastabend /* Init sockets */ 30816962b24SJohn Fastabend for (i = 0; i < 4; i++) { 30916962b24SJohn Fastabend *fds[i] = socket(AF_INET, SOCK_STREAM, 0); 31016962b24SJohn Fastabend if (*fds[i] < 0) { 31116962b24SJohn Fastabend perror("socket s1 failed()"); 31216962b24SJohn Fastabend return errno; 31316962b24SJohn Fastabend } 31416962b24SJohn Fastabend } 31516962b24SJohn Fastabend 31616962b24SJohn Fastabend /* Allow reuse */ 31716962b24SJohn Fastabend for (i = 0; i < 2; i++) { 31816962b24SJohn Fastabend err = setsockopt(*fds[i], SOL_SOCKET, SO_REUSEADDR, 31916962b24SJohn Fastabend (char *)&one, sizeof(one)); 32016962b24SJohn Fastabend if (err) { 32116962b24SJohn Fastabend perror("setsockopt failed()"); 32216962b24SJohn Fastabend return errno; 32316962b24SJohn Fastabend } 32416962b24SJohn Fastabend } 32516962b24SJohn Fastabend 32616962b24SJohn Fastabend /* Non-blocking sockets */ 32716962b24SJohn Fastabend for (i = 0; i < 2; i++) { 32816962b24SJohn Fastabend err = ioctl(*fds[i], FIONBIO, (char *)&one); 32916962b24SJohn Fastabend if (err < 0) { 33016962b24SJohn Fastabend perror("ioctl s1 failed()"); 33116962b24SJohn Fastabend return errno; 33216962b24SJohn Fastabend } 33316962b24SJohn Fastabend } 33416962b24SJohn Fastabend 33516962b24SJohn Fastabend /* Bind server sockets */ 33616962b24SJohn Fastabend memset(&addr, 0, sizeof(struct sockaddr_in)); 33716962b24SJohn Fastabend addr.sin_family = AF_INET; 33816962b24SJohn Fastabend addr.sin_addr.s_addr = inet_addr("127.0.0.1"); 33916962b24SJohn Fastabend 34016962b24SJohn Fastabend addr.sin_port = htons(S1_PORT); 34116962b24SJohn Fastabend err = bind(s1, (struct sockaddr *)&addr, sizeof(addr)); 34216962b24SJohn Fastabend if (err < 0) { 343e5dc9dd3SJakub Kicinski perror("bind s1 failed()"); 34416962b24SJohn Fastabend return errno; 34516962b24SJohn Fastabend } 34616962b24SJohn Fastabend 34716962b24SJohn Fastabend addr.sin_port = htons(S2_PORT); 34816962b24SJohn Fastabend err = bind(s2, (struct sockaddr *)&addr, sizeof(addr)); 34916962b24SJohn Fastabend if (err < 0) { 350e5dc9dd3SJakub Kicinski perror("bind s2 failed()"); 35116962b24SJohn Fastabend return errno; 35216962b24SJohn Fastabend } 35316962b24SJohn Fastabend 35416962b24SJohn Fastabend /* Listen server sockets */ 35516962b24SJohn Fastabend addr.sin_port = htons(S1_PORT); 35616962b24SJohn Fastabend err = listen(s1, 32); 35716962b24SJohn Fastabend if (err < 0) { 358e5dc9dd3SJakub Kicinski perror("listen s1 failed()"); 35916962b24SJohn Fastabend return errno; 36016962b24SJohn Fastabend } 36116962b24SJohn Fastabend 36216962b24SJohn Fastabend addr.sin_port = htons(S2_PORT); 36316962b24SJohn Fastabend err = listen(s2, 32); 36416962b24SJohn Fastabend if (err < 0) { 365e5dc9dd3SJakub Kicinski perror("listen s1 failed()"); 36616962b24SJohn Fastabend return errno; 36716962b24SJohn Fastabend } 36816962b24SJohn Fastabend 36916962b24SJohn Fastabend /* Initiate Connect */ 37016962b24SJohn Fastabend addr.sin_port = htons(S1_PORT); 37116962b24SJohn Fastabend err = connect(c1, (struct sockaddr *)&addr, sizeof(addr)); 37216962b24SJohn Fastabend if (err < 0 && errno != EINPROGRESS) { 373e5dc9dd3SJakub Kicinski perror("connect c1 failed()"); 37416962b24SJohn Fastabend return errno; 37516962b24SJohn Fastabend } 37616962b24SJohn Fastabend 37716962b24SJohn Fastabend addr.sin_port = htons(S2_PORT); 37816962b24SJohn Fastabend err = connect(c2, (struct sockaddr *)&addr, sizeof(addr)); 37916962b24SJohn Fastabend if (err < 0 && errno != EINPROGRESS) { 380e5dc9dd3SJakub Kicinski perror("connect c2 failed()"); 38116962b24SJohn Fastabend return errno; 38216962b24SJohn Fastabend } else if (err < 0) { 38316962b24SJohn Fastabend err = 0; 38416962b24SJohn Fastabend } 38516962b24SJohn Fastabend 38616962b24SJohn Fastabend /* Accept Connecrtions */ 38716962b24SJohn Fastabend p1 = accept(s1, NULL, NULL); 38816962b24SJohn Fastabend if (p1 < 0) { 389e5dc9dd3SJakub Kicinski perror("accept s1 failed()"); 39016962b24SJohn Fastabend return errno; 39116962b24SJohn Fastabend } 39216962b24SJohn Fastabend 39316962b24SJohn Fastabend p2 = accept(s2, NULL, NULL); 39416962b24SJohn Fastabend if (p2 < 0) { 395e5dc9dd3SJakub Kicinski perror("accept s1 failed()"); 39616962b24SJohn Fastabend return errno; 39716962b24SJohn Fastabend } 39816962b24SJohn Fastabend 399b98ca90cSJohn Fastabend if (verbose > 1) { 40016962b24SJohn Fastabend printf("connected sockets: c1 <-> p1, c2 <-> p2\n"); 40116962b24SJohn Fastabend printf("cgroups binding: c1(%i) <-> s1(%i) - - - c2(%i) <-> s2(%i)\n", 40216962b24SJohn Fastabend c1, s1, c2, s2); 40316962b24SJohn Fastabend } 40416962b24SJohn Fastabend return 0; 40516962b24SJohn Fastabend } 40616962b24SJohn Fastabend 40716962b24SJohn Fastabend struct msg_stats { 40816962b24SJohn Fastabend size_t bytes_sent; 40916962b24SJohn Fastabend size_t bytes_recvd; 41016962b24SJohn Fastabend struct timespec start; 41116962b24SJohn Fastabend struct timespec end; 41216962b24SJohn Fastabend }; 41316962b24SJohn Fastabend 41416962b24SJohn Fastabend static int msg_loop_sendpage(int fd, int iov_length, int cnt, 41516962b24SJohn Fastabend struct msg_stats *s, 41616962b24SJohn Fastabend struct sockmap_options *opt) 41716962b24SJohn Fastabend { 41816962b24SJohn Fastabend bool drop = opt->drop_expected; 41916962b24SJohn Fastabend unsigned char k = 0; 42016962b24SJohn Fastabend FILE *file; 42116962b24SJohn Fastabend int i, fp; 42216962b24SJohn Fastabend 423c31dbb1eSLorenz Bauer file = tmpfile(); 4244b67c515SJakub Kicinski if (!file) { 4254b67c515SJakub Kicinski perror("create file for sendpage"); 4264b67c515SJakub Kicinski return 1; 4274b67c515SJakub Kicinski } 42816962b24SJohn Fastabend for (i = 0; i < iov_length * cnt; i++, k++) 42916962b24SJohn Fastabend fwrite(&k, sizeof(char), 1, file); 43016962b24SJohn Fastabend fflush(file); 43116962b24SJohn Fastabend fseek(file, 0, SEEK_SET); 43216962b24SJohn Fastabend 433c31dbb1eSLorenz Bauer fp = fileno(file); 4344b67c515SJakub Kicinski 43516962b24SJohn Fastabend clock_gettime(CLOCK_MONOTONIC, &s->start); 43616962b24SJohn Fastabend for (i = 0; i < cnt; i++) { 437248aba1dSJohn Fastabend int sent; 438248aba1dSJohn Fastabend 439248aba1dSJohn Fastabend errno = 0; 440248aba1dSJohn Fastabend sent = sendfile(fd, fp, NULL, iov_length); 44116962b24SJohn Fastabend 44216962b24SJohn Fastabend if (!drop && sent < 0) { 443248aba1dSJohn Fastabend perror("sendpage loop error"); 444c31dbb1eSLorenz Bauer fclose(file); 44516962b24SJohn Fastabend return sent; 44616962b24SJohn Fastabend } else if (drop && sent >= 0) { 447248aba1dSJohn Fastabend printf("sendpage loop error expected: %i errno %i\n", 448248aba1dSJohn Fastabend sent, errno); 449c31dbb1eSLorenz Bauer fclose(file); 45016962b24SJohn Fastabend return -EIO; 45116962b24SJohn Fastabend } 45216962b24SJohn Fastabend 45316962b24SJohn Fastabend if (sent > 0) 45416962b24SJohn Fastabend s->bytes_sent += sent; 45516962b24SJohn Fastabend } 45616962b24SJohn Fastabend clock_gettime(CLOCK_MONOTONIC, &s->end); 457c31dbb1eSLorenz Bauer fclose(file); 45816962b24SJohn Fastabend return 0; 45916962b24SJohn Fastabend } 46016962b24SJohn Fastabend 461753fb2eeSJohn Fastabend static void msg_free_iov(struct msghdr *msg) 46216962b24SJohn Fastabend { 463753fb2eeSJohn Fastabend int i; 464753fb2eeSJohn Fastabend 465753fb2eeSJohn Fastabend for (i = 0; i < msg->msg_iovlen; i++) 466753fb2eeSJohn Fastabend free(msg->msg_iov[i].iov_base); 467753fb2eeSJohn Fastabend free(msg->msg_iov); 468753fb2eeSJohn Fastabend msg->msg_iov = NULL; 469753fb2eeSJohn Fastabend msg->msg_iovlen = 0; 470753fb2eeSJohn Fastabend } 471753fb2eeSJohn Fastabend 472753fb2eeSJohn Fastabend static int msg_alloc_iov(struct msghdr *msg, 473753fb2eeSJohn Fastabend int iov_count, int iov_length, 474753fb2eeSJohn Fastabend bool data, bool xmit) 475753fb2eeSJohn Fastabend { 476753fb2eeSJohn Fastabend unsigned char k = 0; 47716962b24SJohn Fastabend struct iovec *iov; 478753fb2eeSJohn Fastabend int i; 47916962b24SJohn Fastabend 48016962b24SJohn Fastabend iov = calloc(iov_count, sizeof(struct iovec)); 48116962b24SJohn Fastabend if (!iov) 48216962b24SJohn Fastabend return errno; 48316962b24SJohn Fastabend 48416962b24SJohn Fastabend for (i = 0; i < iov_count; i++) { 48516962b24SJohn Fastabend unsigned char *d = calloc(iov_length, sizeof(char)); 48616962b24SJohn Fastabend 48716962b24SJohn Fastabend if (!d) { 48816962b24SJohn Fastabend fprintf(stderr, "iov_count %i/%i OOM\n", i, iov_count); 489753fb2eeSJohn Fastabend goto unwind_iov; 49016962b24SJohn Fastabend } 49116962b24SJohn Fastabend iov[i].iov_base = d; 49216962b24SJohn Fastabend iov[i].iov_len = iov_length; 49316962b24SJohn Fastabend 494753fb2eeSJohn Fastabend if (data && xmit) { 49516962b24SJohn Fastabend int j; 49616962b24SJohn Fastabend 49716962b24SJohn Fastabend for (j = 0; j < iov_length; j++) 49816962b24SJohn Fastabend d[j] = k++; 49916962b24SJohn Fastabend } 50016962b24SJohn Fastabend } 50116962b24SJohn Fastabend 502753fb2eeSJohn Fastabend msg->msg_iov = iov; 503753fb2eeSJohn Fastabend msg->msg_iovlen = iov_count; 504753fb2eeSJohn Fastabend 505753fb2eeSJohn Fastabend return 0; 506753fb2eeSJohn Fastabend unwind_iov: 507753fb2eeSJohn Fastabend for (i--; i >= 0 ; i--) 508753fb2eeSJohn Fastabend free(msg->msg_iov[i].iov_base); 509753fb2eeSJohn Fastabend return -ENOMEM; 510753fb2eeSJohn Fastabend } 511753fb2eeSJohn Fastabend 512753fb2eeSJohn Fastabend static int msg_verify_data(struct msghdr *msg, int size, int chunk_sz) 513753fb2eeSJohn Fastabend { 514463bac5fSJohn Fastabend int i, j = 0, bytes_cnt = 0; 515753fb2eeSJohn Fastabend unsigned char k = 0; 516753fb2eeSJohn Fastabend 517753fb2eeSJohn Fastabend for (i = 0; i < msg->msg_iovlen; i++) { 518753fb2eeSJohn Fastabend unsigned char *d = msg->msg_iov[i].iov_base; 519753fb2eeSJohn Fastabend 520463bac5fSJohn Fastabend /* Special case test for skb ingress + ktls */ 521463bac5fSJohn Fastabend if (i == 0 && txmsg_ktls_skb) { 522463bac5fSJohn Fastabend if (msg->msg_iov[i].iov_len < 4) 523463bac5fSJohn Fastabend return -EIO; 524463bac5fSJohn Fastabend if (memcmp(d, "PASS", 4) != 0) { 525463bac5fSJohn Fastabend fprintf(stderr, 52691274ca5SJohn Fastabend "detected skb data error with skb ingress update @iov[%i]:%i \"%02x %02x %02x %02x\" != \"PASS\"\n", 52791274ca5SJohn Fastabend i, 0, d[0], d[1], d[2], d[3]); 528463bac5fSJohn Fastabend return -EIO; 529463bac5fSJohn Fastabend } 53091274ca5SJohn Fastabend j = 4; /* advance index past PASS header */ 531463bac5fSJohn Fastabend } 532463bac5fSJohn Fastabend 533463bac5fSJohn Fastabend for (; j < msg->msg_iov[i].iov_len && size; j++) { 534753fb2eeSJohn Fastabend if (d[j] != k++) { 535753fb2eeSJohn Fastabend fprintf(stderr, 536753fb2eeSJohn Fastabend "detected data corruption @iov[%i]:%i %02x != %02x, %02x ?= %02x\n", 537753fb2eeSJohn Fastabend i, j, d[j], k - 1, d[j+1], k); 538753fb2eeSJohn Fastabend return -EIO; 539753fb2eeSJohn Fastabend } 540753fb2eeSJohn Fastabend bytes_cnt++; 541753fb2eeSJohn Fastabend if (bytes_cnt == chunk_sz) { 54216962b24SJohn Fastabend k = 0; 543753fb2eeSJohn Fastabend bytes_cnt = 0; 544753fb2eeSJohn Fastabend } 545753fb2eeSJohn Fastabend size--; 546753fb2eeSJohn Fastabend } 547753fb2eeSJohn Fastabend } 548753fb2eeSJohn Fastabend return 0; 549753fb2eeSJohn Fastabend } 550753fb2eeSJohn Fastabend 551753fb2eeSJohn Fastabend static int msg_loop(int fd, int iov_count, int iov_length, int cnt, 552753fb2eeSJohn Fastabend struct msg_stats *s, bool tx, 553753fb2eeSJohn Fastabend struct sockmap_options *opt) 554753fb2eeSJohn Fastabend { 555753fb2eeSJohn Fastabend struct msghdr msg = {0}, msg_peek = {0}; 556753fb2eeSJohn Fastabend int err, i, flags = MSG_NOSIGNAL; 557753fb2eeSJohn Fastabend bool drop = opt->drop_expected; 558753fb2eeSJohn Fastabend bool data = opt->data_test; 559753fb2eeSJohn Fastabend 560753fb2eeSJohn Fastabend err = msg_alloc_iov(&msg, iov_count, iov_length, data, tx); 561753fb2eeSJohn Fastabend if (err) 562753fb2eeSJohn Fastabend goto out_errno; 563753fb2eeSJohn Fastabend if (peek_flag) { 564753fb2eeSJohn Fastabend err = msg_alloc_iov(&msg_peek, iov_count, iov_length, data, tx); 565753fb2eeSJohn Fastabend if (err) 566753fb2eeSJohn Fastabend goto out_errno; 567753fb2eeSJohn Fastabend } 56816962b24SJohn Fastabend 56916962b24SJohn Fastabend if (tx) { 57016962b24SJohn Fastabend clock_gettime(CLOCK_MONOTONIC, &s->start); 57116962b24SJohn Fastabend for (i = 0; i < cnt; i++) { 572248aba1dSJohn Fastabend int sent; 573248aba1dSJohn Fastabend 574248aba1dSJohn Fastabend errno = 0; 575248aba1dSJohn Fastabend sent = sendmsg(fd, &msg, flags); 57616962b24SJohn Fastabend 57716962b24SJohn Fastabend if (!drop && sent < 0) { 578248aba1dSJohn Fastabend perror("sendmsg loop error"); 57916962b24SJohn Fastabend goto out_errno; 58016962b24SJohn Fastabend } else if (drop && sent >= 0) { 581248aba1dSJohn Fastabend fprintf(stderr, 582248aba1dSJohn Fastabend "sendmsg loop error expected: %i errno %i\n", 583248aba1dSJohn Fastabend sent, errno); 58416962b24SJohn Fastabend errno = -EIO; 58516962b24SJohn Fastabend goto out_errno; 58616962b24SJohn Fastabend } 58716962b24SJohn Fastabend if (sent > 0) 58816962b24SJohn Fastabend s->bytes_sent += sent; 58916962b24SJohn Fastabend } 59016962b24SJohn Fastabend clock_gettime(CLOCK_MONOTONIC, &s->end); 59116962b24SJohn Fastabend } else { 592753fb2eeSJohn Fastabend int slct, recvp = 0, recv, max_fd = fd; 5931ade9abaSJohn Fastabend float total_bytes, txmsg_pop_total; 59416962b24SJohn Fastabend int fd_flags = O_NONBLOCK; 59516962b24SJohn Fastabend struct timeval timeout; 59616962b24SJohn Fastabend fd_set w; 59716962b24SJohn Fastabend 59816962b24SJohn Fastabend fcntl(fd, fd_flags); 5991ade9abaSJohn Fastabend /* Account for pop bytes noting each iteration of apply will 6001ade9abaSJohn Fastabend * call msg_pop_data helper so we need to account for this 6011ade9abaSJohn Fastabend * by calculating the number of apply iterations. Note user 6021ade9abaSJohn Fastabend * of the tool can create cases where no data is sent by 6031ade9abaSJohn Fastabend * manipulating pop/push/pull/etc. For example txmsg_apply 1 6041ade9abaSJohn Fastabend * with txmsg_pop 1 will try to apply 1B at a time but each 6051ade9abaSJohn Fastabend * iteration will then pop 1B so no data will ever be sent. 6061ade9abaSJohn Fastabend * This is really only useful for testing edge cases in code 6071ade9abaSJohn Fastabend * paths. 6081ade9abaSJohn Fastabend */ 60916962b24SJohn Fastabend total_bytes = (float)iov_count * (float)iov_length * (float)cnt; 6101ade9abaSJohn Fastabend if (txmsg_apply) 61118d4e900SJohn Fastabend txmsg_pop_total = txmsg_pop * (total_bytes / txmsg_apply); 61218d4e900SJohn Fastabend else 61318d4e900SJohn Fastabend txmsg_pop_total = txmsg_pop * cnt; 6141ade9abaSJohn Fastabend total_bytes -= txmsg_pop_total; 61516962b24SJohn Fastabend err = clock_gettime(CLOCK_MONOTONIC, &s->start); 61616962b24SJohn Fastabend if (err < 0) 617e5dc9dd3SJakub Kicinski perror("recv start time"); 61816962b24SJohn Fastabend while (s->bytes_recvd < total_bytes) { 619a009f1f3SPrashant Bhole if (txmsg_cork) { 620a18fda1aSJohn Fastabend timeout.tv_sec = 0; 6213c6ed988SDaniel Borkmann timeout.tv_usec = 300000; 622a009f1f3SPrashant Bhole } else { 6231ade9abaSJohn Fastabend timeout.tv_sec = 3; 624a009f1f3SPrashant Bhole timeout.tv_usec = 0; 625a009f1f3SPrashant Bhole } 62616962b24SJohn Fastabend 62716962b24SJohn Fastabend /* FD sets */ 62816962b24SJohn Fastabend FD_ZERO(&w); 62916962b24SJohn Fastabend FD_SET(fd, &w); 63016962b24SJohn Fastabend 63116962b24SJohn Fastabend slct = select(max_fd + 1, &w, NULL, NULL, &timeout); 63216962b24SJohn Fastabend if (slct == -1) { 63316962b24SJohn Fastabend perror("select()"); 63416962b24SJohn Fastabend clock_gettime(CLOCK_MONOTONIC, &s->end); 63516962b24SJohn Fastabend goto out_errno; 63616962b24SJohn Fastabend } else if (!slct) { 63716962b24SJohn Fastabend if (opt->verbose) 6381ade9abaSJohn Fastabend fprintf(stderr, "unexpected timeout: recved %zu/%f pop_total %f\n", s->bytes_recvd, total_bytes, txmsg_pop_total); 63916962b24SJohn Fastabend errno = -EIO; 64016962b24SJohn Fastabend clock_gettime(CLOCK_MONOTONIC, &s->end); 64116962b24SJohn Fastabend goto out_errno; 64216962b24SJohn Fastabend } 64316962b24SJohn Fastabend 644753fb2eeSJohn Fastabend errno = 0; 645753fb2eeSJohn Fastabend if (peek_flag) { 646753fb2eeSJohn Fastabend flags |= MSG_PEEK; 647753fb2eeSJohn Fastabend recvp = recvmsg(fd, &msg_peek, flags); 648753fb2eeSJohn Fastabend if (recvp < 0) { 649753fb2eeSJohn Fastabend if (errno != EWOULDBLOCK) { 650753fb2eeSJohn Fastabend clock_gettime(CLOCK_MONOTONIC, &s->end); 651753fb2eeSJohn Fastabend goto out_errno; 652753fb2eeSJohn Fastabend } 653753fb2eeSJohn Fastabend } 654753fb2eeSJohn Fastabend flags = 0; 655753fb2eeSJohn Fastabend } 656753fb2eeSJohn Fastabend 65716962b24SJohn Fastabend recv = recvmsg(fd, &msg, flags); 65816962b24SJohn Fastabend if (recv < 0) { 65916962b24SJohn Fastabend if (errno != EWOULDBLOCK) { 66016962b24SJohn Fastabend clock_gettime(CLOCK_MONOTONIC, &s->end); 661e5dc9dd3SJakub Kicinski perror("recv failed()"); 66216962b24SJohn Fastabend goto out_errno; 66316962b24SJohn Fastabend } 66416962b24SJohn Fastabend } 66516962b24SJohn Fastabend 66616962b24SJohn Fastabend s->bytes_recvd += recv; 66716962b24SJohn Fastabend 668753fb2eeSJohn Fastabend if (data) { 669753fb2eeSJohn Fastabend int chunk_sz = opt->sendpage ? 670753fb2eeSJohn Fastabend iov_length * cnt : 671753fb2eeSJohn Fastabend iov_length * iov_count; 67216962b24SJohn Fastabend 673753fb2eeSJohn Fastabend errno = msg_verify_data(&msg, recv, chunk_sz); 674753fb2eeSJohn Fastabend if (errno) { 675e5dc9dd3SJakub Kicinski perror("data verify msg failed"); 67616962b24SJohn Fastabend goto out_errno; 67716962b24SJohn Fastabend } 678753fb2eeSJohn Fastabend if (recvp) { 679753fb2eeSJohn Fastabend errno = msg_verify_data(&msg_peek, 680753fb2eeSJohn Fastabend recvp, 681753fb2eeSJohn Fastabend chunk_sz); 682753fb2eeSJohn Fastabend if (errno) { 683e5dc9dd3SJakub Kicinski perror("data verify msg_peek failed"); 684753fb2eeSJohn Fastabend goto out_errno; 68516962b24SJohn Fastabend } 68616962b24SJohn Fastabend } 68716962b24SJohn Fastabend } 68816962b24SJohn Fastabend } 68916962b24SJohn Fastabend clock_gettime(CLOCK_MONOTONIC, &s->end); 69016962b24SJohn Fastabend } 69116962b24SJohn Fastabend 692753fb2eeSJohn Fastabend msg_free_iov(&msg); 693753fb2eeSJohn Fastabend msg_free_iov(&msg_peek); 694753fb2eeSJohn Fastabend return err; 69516962b24SJohn Fastabend out_errno: 696753fb2eeSJohn Fastabend msg_free_iov(&msg); 697753fb2eeSJohn Fastabend msg_free_iov(&msg_peek); 69816962b24SJohn Fastabend return errno; 69916962b24SJohn Fastabend } 70016962b24SJohn Fastabend 70116962b24SJohn Fastabend static float giga = 1000000000; 70216962b24SJohn Fastabend 70316962b24SJohn Fastabend static inline float sentBps(struct msg_stats s) 70416962b24SJohn Fastabend { 70516962b24SJohn Fastabend return s.bytes_sent / (s.end.tv_sec - s.start.tv_sec); 70616962b24SJohn Fastabend } 70716962b24SJohn Fastabend 70816962b24SJohn Fastabend static inline float recvdBps(struct msg_stats s) 70916962b24SJohn Fastabend { 71016962b24SJohn Fastabend return s.bytes_recvd / (s.end.tv_sec - s.start.tv_sec); 71116962b24SJohn Fastabend } 71216962b24SJohn Fastabend 71316962b24SJohn Fastabend static int sendmsg_test(struct sockmap_options *opt) 71416962b24SJohn Fastabend { 71516962b24SJohn Fastabend float sent_Bps = 0, recvd_Bps = 0; 71616962b24SJohn Fastabend int rx_fd, txpid, rxpid, err = 0; 71716962b24SJohn Fastabend struct msg_stats s = {0}; 71816962b24SJohn Fastabend int iov_count = opt->iov_count; 71916962b24SJohn Fastabend int iov_buf = opt->iov_length; 72016edddfeSPrashant Bhole int rx_status, tx_status; 72116962b24SJohn Fastabend int cnt = opt->rate; 72216962b24SJohn Fastabend 72316962b24SJohn Fastabend errno = 0; 72416962b24SJohn Fastabend 72516962b24SJohn Fastabend if (opt->base) 72616962b24SJohn Fastabend rx_fd = p1; 72716962b24SJohn Fastabend else 72816962b24SJohn Fastabend rx_fd = p2; 72916962b24SJohn Fastabend 730e9dd9047SJohn Fastabend if (ktls) { 731e9dd9047SJohn Fastabend /* Redirecting into non-TLS socket which sends into a TLS 732e9dd9047SJohn Fastabend * socket is not a valid test. So in this case lets not 733e9dd9047SJohn Fastabend * enable kTLS but still run the test. 734e9dd9047SJohn Fastabend */ 735e9dd9047SJohn Fastabend if (!txmsg_redir || (txmsg_redir && txmsg_ingress)) { 736e9dd9047SJohn Fastabend err = sockmap_init_ktls(opt->verbose, rx_fd); 737e9dd9047SJohn Fastabend if (err) 738e9dd9047SJohn Fastabend return err; 739e9dd9047SJohn Fastabend } 740e9dd9047SJohn Fastabend err = sockmap_init_ktls(opt->verbose, c1); 741e9dd9047SJohn Fastabend if (err) 742e9dd9047SJohn Fastabend return err; 743e9dd9047SJohn Fastabend } 744e9dd9047SJohn Fastabend 74516962b24SJohn Fastabend rxpid = fork(); 74616962b24SJohn Fastabend if (rxpid == 0) { 74718d4e900SJohn Fastabend iov_buf -= (txmsg_pop - txmsg_start_pop + 1); 748463bac5fSJohn Fastabend if (opt->drop_expected || txmsg_ktls_skb_drop) 74918d4e900SJohn Fastabend _exit(0); 75018d4e900SJohn Fastabend 75118d4e900SJohn Fastabend if (!iov_buf) /* zero bytes sent case */ 75218d4e900SJohn Fastabend _exit(0); 75316962b24SJohn Fastabend 75416962b24SJohn Fastabend if (opt->sendpage) 75516962b24SJohn Fastabend iov_count = 1; 75616962b24SJohn Fastabend err = msg_loop(rx_fd, iov_count, iov_buf, 75716962b24SJohn Fastabend cnt, &s, false, opt); 758b98ca90cSJohn Fastabend if (opt->verbose > 1) 75916962b24SJohn Fastabend fprintf(stderr, 76016962b24SJohn Fastabend "msg_loop_rx: iov_count %i iov_buf %i cnt %i err %i\n", 76116962b24SJohn Fastabend iov_count, iov_buf, cnt, err); 76216962b24SJohn Fastabend if (s.end.tv_sec - s.start.tv_sec) { 76316962b24SJohn Fastabend sent_Bps = sentBps(s); 76416962b24SJohn Fastabend recvd_Bps = recvdBps(s); 76516962b24SJohn Fastabend } 766b98ca90cSJohn Fastabend if (opt->verbose > 1) 76716962b24SJohn Fastabend fprintf(stdout, 768753fb2eeSJohn Fastabend "rx_sendmsg: TX: %zuB %fB/s %fGB/s RX: %zuB %fB/s %fGB/s %s\n", 76916962b24SJohn Fastabend s.bytes_sent, sent_Bps, sent_Bps/giga, 770753fb2eeSJohn Fastabend s.bytes_recvd, recvd_Bps, recvd_Bps/giga, 771753fb2eeSJohn Fastabend peek_flag ? "(peek_msg)" : ""); 77216edddfeSPrashant Bhole if (err && txmsg_cork) 77316edddfeSPrashant Bhole err = 0; 77416edddfeSPrashant Bhole exit(err ? 1 : 0); 77516962b24SJohn Fastabend } else if (rxpid == -1) { 776e5dc9dd3SJakub Kicinski perror("msg_loop_rx"); 77716962b24SJohn Fastabend return errno; 77816962b24SJohn Fastabend } 77916962b24SJohn Fastabend 78016962b24SJohn Fastabend txpid = fork(); 78116962b24SJohn Fastabend if (txpid == 0) { 78216962b24SJohn Fastabend if (opt->sendpage) 78316962b24SJohn Fastabend err = msg_loop_sendpage(c1, iov_buf, cnt, &s, opt); 78416962b24SJohn Fastabend else 78516962b24SJohn Fastabend err = msg_loop(c1, iov_count, iov_buf, 78616962b24SJohn Fastabend cnt, &s, true, opt); 78716962b24SJohn Fastabend 78816962b24SJohn Fastabend if (err) 78916962b24SJohn Fastabend fprintf(stderr, 79016962b24SJohn Fastabend "msg_loop_tx: iov_count %i iov_buf %i cnt %i err %i\n", 79116962b24SJohn Fastabend iov_count, iov_buf, cnt, err); 79216962b24SJohn Fastabend if (s.end.tv_sec - s.start.tv_sec) { 79316962b24SJohn Fastabend sent_Bps = sentBps(s); 79416962b24SJohn Fastabend recvd_Bps = recvdBps(s); 79516962b24SJohn Fastabend } 796b98ca90cSJohn Fastabend if (opt->verbose > 1) 79716962b24SJohn Fastabend fprintf(stdout, 79816962b24SJohn Fastabend "tx_sendmsg: TX: %zuB %fB/s %f GB/s RX: %zuB %fB/s %fGB/s\n", 79916962b24SJohn Fastabend s.bytes_sent, sent_Bps, sent_Bps/giga, 80016962b24SJohn Fastabend s.bytes_recvd, recvd_Bps, recvd_Bps/giga); 80116edddfeSPrashant Bhole exit(err ? 1 : 0); 80216962b24SJohn Fastabend } else if (txpid == -1) { 803e5dc9dd3SJakub Kicinski perror("msg_loop_tx"); 80416962b24SJohn Fastabend return errno; 80516962b24SJohn Fastabend } 80616962b24SJohn Fastabend 80716edddfeSPrashant Bhole assert(waitpid(rxpid, &rx_status, 0) == rxpid); 80816edddfeSPrashant Bhole assert(waitpid(txpid, &tx_status, 0) == txpid); 80916edddfeSPrashant Bhole if (WIFEXITED(rx_status)) { 81016edddfeSPrashant Bhole err = WEXITSTATUS(rx_status); 81116edddfeSPrashant Bhole if (err) { 812248aba1dSJohn Fastabend fprintf(stderr, "rx thread exited with err %d.\n", err); 81316edddfeSPrashant Bhole goto out; 81416edddfeSPrashant Bhole } 81516edddfeSPrashant Bhole } 81616edddfeSPrashant Bhole if (WIFEXITED(tx_status)) { 81716edddfeSPrashant Bhole err = WEXITSTATUS(tx_status); 81816edddfeSPrashant Bhole if (err) 819248aba1dSJohn Fastabend fprintf(stderr, "tx thread exited with err %d.\n", err); 82016edddfeSPrashant Bhole } 82116edddfeSPrashant Bhole out: 82216962b24SJohn Fastabend return err; 82316962b24SJohn Fastabend } 82416962b24SJohn Fastabend 82516962b24SJohn Fastabend static int forever_ping_pong(int rate, struct sockmap_options *opt) 82616962b24SJohn Fastabend { 82716962b24SJohn Fastabend struct timeval timeout; 82816962b24SJohn Fastabend char buf[1024] = {0}; 82916962b24SJohn Fastabend int sc; 83016962b24SJohn Fastabend 83116962b24SJohn Fastabend timeout.tv_sec = 10; 83216962b24SJohn Fastabend timeout.tv_usec = 0; 83316962b24SJohn Fastabend 83416962b24SJohn Fastabend /* Ping/Pong data from client to server */ 83516962b24SJohn Fastabend sc = send(c1, buf, sizeof(buf), 0); 83616962b24SJohn Fastabend if (sc < 0) { 837e5dc9dd3SJakub Kicinski perror("send failed()"); 83816962b24SJohn Fastabend return sc; 83916962b24SJohn Fastabend } 84016962b24SJohn Fastabend 84116962b24SJohn Fastabend do { 84216962b24SJohn Fastabend int s, rc, i, max_fd = p2; 84316962b24SJohn Fastabend fd_set w; 84416962b24SJohn Fastabend 84516962b24SJohn Fastabend /* FD sets */ 84616962b24SJohn Fastabend FD_ZERO(&w); 84716962b24SJohn Fastabend FD_SET(c1, &w); 84816962b24SJohn Fastabend FD_SET(c2, &w); 84916962b24SJohn Fastabend FD_SET(p1, &w); 85016962b24SJohn Fastabend FD_SET(p2, &w); 85116962b24SJohn Fastabend 85216962b24SJohn Fastabend s = select(max_fd + 1, &w, NULL, NULL, &timeout); 85316962b24SJohn Fastabend if (s == -1) { 85416962b24SJohn Fastabend perror("select()"); 85516962b24SJohn Fastabend break; 85616962b24SJohn Fastabend } else if (!s) { 85716962b24SJohn Fastabend fprintf(stderr, "unexpected timeout\n"); 85816962b24SJohn Fastabend break; 85916962b24SJohn Fastabend } 86016962b24SJohn Fastabend 86116962b24SJohn Fastabend for (i = 0; i <= max_fd && s > 0; ++i) { 86216962b24SJohn Fastabend if (!FD_ISSET(i, &w)) 86316962b24SJohn Fastabend continue; 86416962b24SJohn Fastabend 86516962b24SJohn Fastabend s--; 86616962b24SJohn Fastabend 86716962b24SJohn Fastabend rc = recv(i, buf, sizeof(buf), 0); 86816962b24SJohn Fastabend if (rc < 0) { 86916962b24SJohn Fastabend if (errno != EWOULDBLOCK) { 870e5dc9dd3SJakub Kicinski perror("recv failed()"); 87116962b24SJohn Fastabend return rc; 87216962b24SJohn Fastabend } 87316962b24SJohn Fastabend } 87416962b24SJohn Fastabend 87516962b24SJohn Fastabend if (rc == 0) { 87616962b24SJohn Fastabend close(i); 87716962b24SJohn Fastabend break; 87816962b24SJohn Fastabend } 87916962b24SJohn Fastabend 88016962b24SJohn Fastabend sc = send(i, buf, rc, 0); 88116962b24SJohn Fastabend if (sc < 0) { 882e5dc9dd3SJakub Kicinski perror("send failed()"); 88316962b24SJohn Fastabend return sc; 88416962b24SJohn Fastabend } 88516962b24SJohn Fastabend } 88616962b24SJohn Fastabend 88716962b24SJohn Fastabend if (rate) 88816962b24SJohn Fastabend sleep(rate); 88916962b24SJohn Fastabend 89016962b24SJohn Fastabend if (opt->verbose) { 89116962b24SJohn Fastabend printf("."); 89216962b24SJohn Fastabend fflush(stdout); 89316962b24SJohn Fastabend 89416962b24SJohn Fastabend } 89516962b24SJohn Fastabend } while (running); 89616962b24SJohn Fastabend 89716962b24SJohn Fastabend return 0; 89816962b24SJohn Fastabend } 89916962b24SJohn Fastabend 90016962b24SJohn Fastabend enum { 901b98ca90cSJohn Fastabend SELFTESTS, 90216962b24SJohn Fastabend PING_PONG, 90316962b24SJohn Fastabend SENDMSG, 90416962b24SJohn Fastabend BASE, 90516962b24SJohn Fastabend BASE_SENDPAGE, 90616962b24SJohn Fastabend SENDPAGE, 90716962b24SJohn Fastabend }; 90816962b24SJohn Fastabend 90916962b24SJohn Fastabend static int run_options(struct sockmap_options *options, int cg_fd, int test) 91016962b24SJohn Fastabend { 91116962b24SJohn Fastabend int i, key, next_key, err, tx_prog_fd = -1, zero = 0; 91216962b24SJohn Fastabend 91316962b24SJohn Fastabend /* If base test skip BPF setup */ 91416962b24SJohn Fastabend if (test == BASE || test == BASE_SENDPAGE) 91516962b24SJohn Fastabend goto run; 91616962b24SJohn Fastabend 91716962b24SJohn Fastabend /* Attach programs to sockmap */ 918cdf43c4bSJohn Fastabend if (!txmsg_omit_skb_parser) { 91916962b24SJohn Fastabend err = bpf_prog_attach(prog_fd[0], map_fd[0], 92016962b24SJohn Fastabend BPF_SK_SKB_STREAM_PARSER, 0); 92116962b24SJohn Fastabend if (err) { 92216962b24SJohn Fastabend fprintf(stderr, 92316962b24SJohn Fastabend "ERROR: bpf_prog_attach (sockmap %i->%i): %d (%s)\n", 92416962b24SJohn Fastabend prog_fd[0], map_fd[0], err, strerror(errno)); 92516962b24SJohn Fastabend return err; 92616962b24SJohn Fastabend } 927cdf43c4bSJohn Fastabend } 92816962b24SJohn Fastabend 92916962b24SJohn Fastabend err = bpf_prog_attach(prog_fd[1], map_fd[0], 93016962b24SJohn Fastabend BPF_SK_SKB_STREAM_VERDICT, 0); 93116962b24SJohn Fastabend if (err) { 93216962b24SJohn Fastabend fprintf(stderr, "ERROR: bpf_prog_attach (sockmap): %d (%s)\n", 93316962b24SJohn Fastabend err, strerror(errno)); 93416962b24SJohn Fastabend return err; 93516962b24SJohn Fastabend } 93616962b24SJohn Fastabend 937463bac5fSJohn Fastabend /* Attach programs to TLS sockmap */ 938463bac5fSJohn Fastabend if (txmsg_ktls_skb) { 939cdf43c4bSJohn Fastabend if (!txmsg_omit_skb_parser) { 940463bac5fSJohn Fastabend err = bpf_prog_attach(prog_fd[0], map_fd[8], 941463bac5fSJohn Fastabend BPF_SK_SKB_STREAM_PARSER, 0); 942463bac5fSJohn Fastabend if (err) { 943463bac5fSJohn Fastabend fprintf(stderr, 944463bac5fSJohn Fastabend "ERROR: bpf_prog_attach (TLS sockmap %i->%i): %d (%s)\n", 945463bac5fSJohn Fastabend prog_fd[0], map_fd[8], err, strerror(errno)); 946463bac5fSJohn Fastabend return err; 947463bac5fSJohn Fastabend } 948cdf43c4bSJohn Fastabend } 949463bac5fSJohn Fastabend 950463bac5fSJohn Fastabend err = bpf_prog_attach(prog_fd[2], map_fd[8], 951463bac5fSJohn Fastabend BPF_SK_SKB_STREAM_VERDICT, 0); 952463bac5fSJohn Fastabend if (err) { 953463bac5fSJohn Fastabend fprintf(stderr, "ERROR: bpf_prog_attach (TLS sockmap): %d (%s)\n", 954463bac5fSJohn Fastabend err, strerror(errno)); 955463bac5fSJohn Fastabend return err; 956463bac5fSJohn Fastabend } 957463bac5fSJohn Fastabend } 958463bac5fSJohn Fastabend 95916962b24SJohn Fastabend /* Attach to cgroups */ 960463bac5fSJohn Fastabend err = bpf_prog_attach(prog_fd[3], cg_fd, BPF_CGROUP_SOCK_OPS, 0); 96116962b24SJohn Fastabend if (err) { 96216962b24SJohn Fastabend fprintf(stderr, "ERROR: bpf_prog_attach (groups): %d (%s)\n", 96316962b24SJohn Fastabend err, strerror(errno)); 96416962b24SJohn Fastabend return err; 96516962b24SJohn Fastabend } 96616962b24SJohn Fastabend 96716962b24SJohn Fastabend run: 96816962b24SJohn Fastabend err = sockmap_init_sockets(options->verbose); 96916962b24SJohn Fastabend if (err) { 97016962b24SJohn Fastabend fprintf(stderr, "ERROR: test socket failed: %d\n", err); 97116962b24SJohn Fastabend goto out; 97216962b24SJohn Fastabend } 97316962b24SJohn Fastabend 97416962b24SJohn Fastabend /* Attach txmsg program to sockmap */ 97516962b24SJohn Fastabend if (txmsg_pass) 976d79a3212SJohn Fastabend tx_prog_fd = prog_fd[4]; 977463bac5fSJohn Fastabend else if (txmsg_redir) 97816962b24SJohn Fastabend tx_prog_fd = prog_fd[5]; 979463bac5fSJohn Fastabend else if (txmsg_apply) 98016962b24SJohn Fastabend tx_prog_fd = prog_fd[6]; 981463bac5fSJohn Fastabend else if (txmsg_cork) 98216962b24SJohn Fastabend tx_prog_fd = prog_fd[7]; 983463bac5fSJohn Fastabend else if (txmsg_drop) 984463bac5fSJohn Fastabend tx_prog_fd = prog_fd[8]; 98516962b24SJohn Fastabend else 98616962b24SJohn Fastabend tx_prog_fd = 0; 98716962b24SJohn Fastabend 98816962b24SJohn Fastabend if (tx_prog_fd) { 98916962b24SJohn Fastabend int redir_fd, i = 0; 99016962b24SJohn Fastabend 99116962b24SJohn Fastabend err = bpf_prog_attach(tx_prog_fd, 99216962b24SJohn Fastabend map_fd[1], BPF_SK_MSG_VERDICT, 0); 99316962b24SJohn Fastabend if (err) { 99416962b24SJohn Fastabend fprintf(stderr, 99516962b24SJohn Fastabend "ERROR: bpf_prog_attach (txmsg): %d (%s)\n", 99616962b24SJohn Fastabend err, strerror(errno)); 99716962b24SJohn Fastabend goto out; 99816962b24SJohn Fastabend } 99916962b24SJohn Fastabend 100016962b24SJohn Fastabend err = bpf_map_update_elem(map_fd[1], &i, &c1, BPF_ANY); 100116962b24SJohn Fastabend if (err) { 100216962b24SJohn Fastabend fprintf(stderr, 100316962b24SJohn Fastabend "ERROR: bpf_map_update_elem (txmsg): %d (%s\n", 100416962b24SJohn Fastabend err, strerror(errno)); 100516962b24SJohn Fastabend goto out; 100616962b24SJohn Fastabend } 100716962b24SJohn Fastabend 1008d79a3212SJohn Fastabend if (txmsg_redir) 100916962b24SJohn Fastabend redir_fd = c2; 101016962b24SJohn Fastabend else 101116962b24SJohn Fastabend redir_fd = c1; 101216962b24SJohn Fastabend 101316962b24SJohn Fastabend err = bpf_map_update_elem(map_fd[2], &i, &redir_fd, BPF_ANY); 101416962b24SJohn Fastabend if (err) { 101516962b24SJohn Fastabend fprintf(stderr, 101616962b24SJohn Fastabend "ERROR: bpf_map_update_elem (txmsg): %d (%s\n", 101716962b24SJohn Fastabend err, strerror(errno)); 101816962b24SJohn Fastabend goto out; 101916962b24SJohn Fastabend } 102016962b24SJohn Fastabend 102116962b24SJohn Fastabend if (txmsg_apply) { 102216962b24SJohn Fastabend err = bpf_map_update_elem(map_fd[3], 102316962b24SJohn Fastabend &i, &txmsg_apply, BPF_ANY); 102416962b24SJohn Fastabend if (err) { 102516962b24SJohn Fastabend fprintf(stderr, 102616962b24SJohn Fastabend "ERROR: bpf_map_update_elem (apply_bytes): %d (%s\n", 102716962b24SJohn Fastabend err, strerror(errno)); 102816962b24SJohn Fastabend goto out; 102916962b24SJohn Fastabend } 103016962b24SJohn Fastabend } 103116962b24SJohn Fastabend 103216962b24SJohn Fastabend if (txmsg_cork) { 103316962b24SJohn Fastabend err = bpf_map_update_elem(map_fd[4], 103416962b24SJohn Fastabend &i, &txmsg_cork, BPF_ANY); 103516962b24SJohn Fastabend if (err) { 103616962b24SJohn Fastabend fprintf(stderr, 103716962b24SJohn Fastabend "ERROR: bpf_map_update_elem (cork_bytes): %d (%s\n", 103816962b24SJohn Fastabend err, strerror(errno)); 103916962b24SJohn Fastabend goto out; 104016962b24SJohn Fastabend } 104116962b24SJohn Fastabend } 104216962b24SJohn Fastabend 104316962b24SJohn Fastabend if (txmsg_start) { 104416962b24SJohn Fastabend err = bpf_map_update_elem(map_fd[5], 104516962b24SJohn Fastabend &i, &txmsg_start, BPF_ANY); 104616962b24SJohn Fastabend if (err) { 104716962b24SJohn Fastabend fprintf(stderr, 104816962b24SJohn Fastabend "ERROR: bpf_map_update_elem (txmsg_start): %d (%s)\n", 104916962b24SJohn Fastabend err, strerror(errno)); 105016962b24SJohn Fastabend goto out; 105116962b24SJohn Fastabend } 105216962b24SJohn Fastabend } 105316962b24SJohn Fastabend 105416962b24SJohn Fastabend if (txmsg_end) { 105516962b24SJohn Fastabend i = 1; 105616962b24SJohn Fastabend err = bpf_map_update_elem(map_fd[5], 105716962b24SJohn Fastabend &i, &txmsg_end, BPF_ANY); 105816962b24SJohn Fastabend if (err) { 105916962b24SJohn Fastabend fprintf(stderr, 106016962b24SJohn Fastabend "ERROR: bpf_map_update_elem (txmsg_end): %d (%s)\n", 106116962b24SJohn Fastabend err, strerror(errno)); 106216962b24SJohn Fastabend goto out; 106316962b24SJohn Fastabend } 106416962b24SJohn Fastabend } 106516962b24SJohn Fastabend 106684fbfe02SJohn Fastabend if (txmsg_start_push) { 106784fbfe02SJohn Fastabend i = 2; 106884fbfe02SJohn Fastabend err = bpf_map_update_elem(map_fd[5], 106984fbfe02SJohn Fastabend &i, &txmsg_start_push, BPF_ANY); 107084fbfe02SJohn Fastabend if (err) { 107184fbfe02SJohn Fastabend fprintf(stderr, 107284fbfe02SJohn Fastabend "ERROR: bpf_map_update_elem (txmsg_start_push): %d (%s)\n", 107384fbfe02SJohn Fastabend err, strerror(errno)); 107484fbfe02SJohn Fastabend goto out; 107584fbfe02SJohn Fastabend } 107684fbfe02SJohn Fastabend } 107784fbfe02SJohn Fastabend 107884fbfe02SJohn Fastabend if (txmsg_end_push) { 107984fbfe02SJohn Fastabend i = 3; 108084fbfe02SJohn Fastabend err = bpf_map_update_elem(map_fd[5], 108184fbfe02SJohn Fastabend &i, &txmsg_end_push, BPF_ANY); 108284fbfe02SJohn Fastabend if (err) { 108384fbfe02SJohn Fastabend fprintf(stderr, 108484fbfe02SJohn Fastabend "ERROR: bpf_map_update_elem %i@%i (txmsg_end_push): %d (%s)\n", 108584fbfe02SJohn Fastabend txmsg_end_push, i, err, strerror(errno)); 108684fbfe02SJohn Fastabend goto out; 108784fbfe02SJohn Fastabend } 108884fbfe02SJohn Fastabend } 108984fbfe02SJohn Fastabend 10901ade9abaSJohn Fastabend if (txmsg_start_pop) { 10911ade9abaSJohn Fastabend i = 4; 10921ade9abaSJohn Fastabend err = bpf_map_update_elem(map_fd[5], 10931ade9abaSJohn Fastabend &i, &txmsg_start_pop, BPF_ANY); 10941ade9abaSJohn Fastabend if (err) { 10951ade9abaSJohn Fastabend fprintf(stderr, 10961ade9abaSJohn Fastabend "ERROR: bpf_map_update_elem %i@%i (txmsg_start_pop): %d (%s)\n", 10971ade9abaSJohn Fastabend txmsg_start_pop, i, err, strerror(errno)); 10981ade9abaSJohn Fastabend goto out; 10991ade9abaSJohn Fastabend } 11001ade9abaSJohn Fastabend } else { 11011ade9abaSJohn Fastabend i = 4; 11021ade9abaSJohn Fastabend bpf_map_update_elem(map_fd[5], 11031ade9abaSJohn Fastabend &i, &txmsg_start_pop, BPF_ANY); 11041ade9abaSJohn Fastabend } 11051ade9abaSJohn Fastabend 11061ade9abaSJohn Fastabend if (txmsg_pop) { 11071ade9abaSJohn Fastabend i = 5; 11081ade9abaSJohn Fastabend err = bpf_map_update_elem(map_fd[5], 11091ade9abaSJohn Fastabend &i, &txmsg_pop, BPF_ANY); 11101ade9abaSJohn Fastabend if (err) { 11111ade9abaSJohn Fastabend fprintf(stderr, 11121ade9abaSJohn Fastabend "ERROR: bpf_map_update_elem %i@%i (txmsg_pop): %d (%s)\n", 11131ade9abaSJohn Fastabend txmsg_pop, i, err, strerror(errno)); 11141ade9abaSJohn Fastabend goto out; 11151ade9abaSJohn Fastabend } 11161ade9abaSJohn Fastabend } else { 11171ade9abaSJohn Fastabend i = 5; 11181ade9abaSJohn Fastabend bpf_map_update_elem(map_fd[5], 11191ade9abaSJohn Fastabend &i, &txmsg_pop, BPF_ANY); 11201ade9abaSJohn Fastabend 11211ade9abaSJohn Fastabend } 11221ade9abaSJohn Fastabend 112316962b24SJohn Fastabend if (txmsg_ingress) { 112416962b24SJohn Fastabend int in = BPF_F_INGRESS; 112516962b24SJohn Fastabend 112616962b24SJohn Fastabend i = 0; 112716962b24SJohn Fastabend err = bpf_map_update_elem(map_fd[6], &i, &in, BPF_ANY); 112816962b24SJohn Fastabend if (err) { 112916962b24SJohn Fastabend fprintf(stderr, 113016962b24SJohn Fastabend "ERROR: bpf_map_update_elem (txmsg_ingress): %d (%s)\n", 113116962b24SJohn Fastabend err, strerror(errno)); 113216962b24SJohn Fastabend } 113316962b24SJohn Fastabend i = 1; 113416962b24SJohn Fastabend err = bpf_map_update_elem(map_fd[1], &i, &p1, BPF_ANY); 113516962b24SJohn Fastabend if (err) { 113616962b24SJohn Fastabend fprintf(stderr, 113716962b24SJohn Fastabend "ERROR: bpf_map_update_elem (p1 txmsg): %d (%s)\n", 113816962b24SJohn Fastabend err, strerror(errno)); 113916962b24SJohn Fastabend } 114016962b24SJohn Fastabend err = bpf_map_update_elem(map_fd[2], &i, &p1, BPF_ANY); 114116962b24SJohn Fastabend if (err) { 114216962b24SJohn Fastabend fprintf(stderr, 114316962b24SJohn Fastabend "ERROR: bpf_map_update_elem (p1 redir): %d (%s)\n", 114416962b24SJohn Fastabend err, strerror(errno)); 114516962b24SJohn Fastabend } 114616962b24SJohn Fastabend 114716962b24SJohn Fastabend i = 2; 114816962b24SJohn Fastabend err = bpf_map_update_elem(map_fd[2], &i, &p2, BPF_ANY); 114916962b24SJohn Fastabend if (err) { 115016962b24SJohn Fastabend fprintf(stderr, 115116962b24SJohn Fastabend "ERROR: bpf_map_update_elem (p2 txmsg): %d (%s)\n", 115216962b24SJohn Fastabend err, strerror(errno)); 115316962b24SJohn Fastabend } 115416962b24SJohn Fastabend } 115516962b24SJohn Fastabend 1156463bac5fSJohn Fastabend if (txmsg_ktls_skb) { 1157463bac5fSJohn Fastabend int ingress = BPF_F_INGRESS; 1158463bac5fSJohn Fastabend 1159463bac5fSJohn Fastabend i = 0; 1160463bac5fSJohn Fastabend err = bpf_map_update_elem(map_fd[8], &i, &p2, BPF_ANY); 1161463bac5fSJohn Fastabend if (err) { 1162463bac5fSJohn Fastabend fprintf(stderr, 1163463bac5fSJohn Fastabend "ERROR: bpf_map_update_elem (c1 sockmap): %d (%s)\n", 1164463bac5fSJohn Fastabend err, strerror(errno)); 1165463bac5fSJohn Fastabend } 1166463bac5fSJohn Fastabend 1167463bac5fSJohn Fastabend if (txmsg_ktls_skb_redir) { 1168463bac5fSJohn Fastabend i = 1; 1169463bac5fSJohn Fastabend err = bpf_map_update_elem(map_fd[7], 1170463bac5fSJohn Fastabend &i, &ingress, BPF_ANY); 1171463bac5fSJohn Fastabend if (err) { 1172463bac5fSJohn Fastabend fprintf(stderr, 1173463bac5fSJohn Fastabend "ERROR: bpf_map_update_elem (txmsg_ingress): %d (%s)\n", 1174463bac5fSJohn Fastabend err, strerror(errno)); 1175463bac5fSJohn Fastabend } 1176463bac5fSJohn Fastabend } 1177463bac5fSJohn Fastabend 1178463bac5fSJohn Fastabend if (txmsg_ktls_skb_drop) { 1179463bac5fSJohn Fastabend i = 1; 1180463bac5fSJohn Fastabend err = bpf_map_update_elem(map_fd[7], &i, &i, BPF_ANY); 1181463bac5fSJohn Fastabend } 1182463bac5fSJohn Fastabend } 1183463bac5fSJohn Fastabend 1184463bac5fSJohn Fastabend if (txmsg_redir_skb) { 118516962b24SJohn Fastabend int skb_fd = (test == SENDMSG || test == SENDPAGE) ? 118616962b24SJohn Fastabend p2 : p1; 118716962b24SJohn Fastabend int ingress = BPF_F_INGRESS; 118816962b24SJohn Fastabend 118916962b24SJohn Fastabend i = 0; 119016962b24SJohn Fastabend err = bpf_map_update_elem(map_fd[7], 119116962b24SJohn Fastabend &i, &ingress, BPF_ANY); 119216962b24SJohn Fastabend if (err) { 119316962b24SJohn Fastabend fprintf(stderr, 119416962b24SJohn Fastabend "ERROR: bpf_map_update_elem (txmsg_ingress): %d (%s)\n", 119516962b24SJohn Fastabend err, strerror(errno)); 119616962b24SJohn Fastabend } 119716962b24SJohn Fastabend 119816962b24SJohn Fastabend i = 3; 1199463bac5fSJohn Fastabend err = bpf_map_update_elem(map_fd[0], &i, &skb_fd, BPF_ANY); 120016962b24SJohn Fastabend if (err) { 120116962b24SJohn Fastabend fprintf(stderr, 120216962b24SJohn Fastabend "ERROR: bpf_map_update_elem (c1 sockmap): %d (%s)\n", 120316962b24SJohn Fastabend err, strerror(errno)); 120416962b24SJohn Fastabend } 120516962b24SJohn Fastabend } 120616962b24SJohn Fastabend } 120716962b24SJohn Fastabend 120853792fa4SJohn Fastabend if (skb_use_parser) { 120953792fa4SJohn Fastabend i = 2; 121053792fa4SJohn Fastabend err = bpf_map_update_elem(map_fd[7], &i, &skb_use_parser, BPF_ANY); 121153792fa4SJohn Fastabend } 121253792fa4SJohn Fastabend 121316962b24SJohn Fastabend if (txmsg_drop) 121416962b24SJohn Fastabend options->drop_expected = true; 121516962b24SJohn Fastabend 121616962b24SJohn Fastabend if (test == PING_PONG) 121716962b24SJohn Fastabend err = forever_ping_pong(options->rate, options); 121816962b24SJohn Fastabend else if (test == SENDMSG) { 121916962b24SJohn Fastabend options->base = false; 122016962b24SJohn Fastabend options->sendpage = false; 122116962b24SJohn Fastabend err = sendmsg_test(options); 122216962b24SJohn Fastabend } else if (test == SENDPAGE) { 122316962b24SJohn Fastabend options->base = false; 122416962b24SJohn Fastabend options->sendpage = true; 122516962b24SJohn Fastabend err = sendmsg_test(options); 122616962b24SJohn Fastabend } else if (test == BASE) { 122716962b24SJohn Fastabend options->base = true; 122816962b24SJohn Fastabend options->sendpage = false; 122916962b24SJohn Fastabend err = sendmsg_test(options); 123016962b24SJohn Fastabend } else if (test == BASE_SENDPAGE) { 123116962b24SJohn Fastabend options->base = true; 123216962b24SJohn Fastabend options->sendpage = true; 123316962b24SJohn Fastabend err = sendmsg_test(options); 123416962b24SJohn Fastabend } else 123516962b24SJohn Fastabend fprintf(stderr, "unknown test\n"); 123616962b24SJohn Fastabend out: 123716962b24SJohn Fastabend /* Detatch and zero all the maps */ 1238463bac5fSJohn Fastabend bpf_prog_detach2(prog_fd[3], cg_fd, BPF_CGROUP_SOCK_OPS); 123916962b24SJohn Fastabend bpf_prog_detach2(prog_fd[0], map_fd[0], BPF_SK_SKB_STREAM_PARSER); 124016962b24SJohn Fastabend bpf_prog_detach2(prog_fd[1], map_fd[0], BPF_SK_SKB_STREAM_VERDICT); 1241463bac5fSJohn Fastabend bpf_prog_detach2(prog_fd[0], map_fd[8], BPF_SK_SKB_STREAM_PARSER); 1242463bac5fSJohn Fastabend bpf_prog_detach2(prog_fd[2], map_fd[8], BPF_SK_SKB_STREAM_VERDICT); 1243463bac5fSJohn Fastabend 124416962b24SJohn Fastabend if (tx_prog_fd >= 0) 124516962b24SJohn Fastabend bpf_prog_detach2(tx_prog_fd, map_fd[1], BPF_SK_MSG_VERDICT); 124616962b24SJohn Fastabend 124716962b24SJohn Fastabend for (i = 0; i < 8; i++) { 124816962b24SJohn Fastabend key = next_key = 0; 124916962b24SJohn Fastabend bpf_map_update_elem(map_fd[i], &key, &zero, BPF_ANY); 125016962b24SJohn Fastabend while (bpf_map_get_next_key(map_fd[i], &key, &next_key) == 0) { 125116962b24SJohn Fastabend bpf_map_update_elem(map_fd[i], &key, &zero, BPF_ANY); 125216962b24SJohn Fastabend key = next_key; 125316962b24SJohn Fastabend } 125416962b24SJohn Fastabend } 125516962b24SJohn Fastabend 125616962b24SJohn Fastabend close(s1); 125716962b24SJohn Fastabend close(s2); 125816962b24SJohn Fastabend close(p1); 125916962b24SJohn Fastabend close(p2); 126016962b24SJohn Fastabend close(c1); 126116962b24SJohn Fastabend close(c2); 126216962b24SJohn Fastabend return err; 126316962b24SJohn Fastabend } 126416962b24SJohn Fastabend 126516962b24SJohn Fastabend static char *test_to_str(int test) 126616962b24SJohn Fastabend { 126716962b24SJohn Fastabend switch (test) { 126816962b24SJohn Fastabend case SENDMSG: 126916962b24SJohn Fastabend return "sendmsg"; 127016962b24SJohn Fastabend case SENDPAGE: 127116962b24SJohn Fastabend return "sendpage"; 127216962b24SJohn Fastabend } 127316962b24SJohn Fastabend return "unknown"; 127416962b24SJohn Fastabend } 127516962b24SJohn Fastabend 127616962b24SJohn Fastabend #define OPTSTRING 60 127716962b24SJohn Fastabend static void test_options(char *options) 127816962b24SJohn Fastabend { 127973563aa3SPrashant Bhole char tstr[OPTSTRING]; 128073563aa3SPrashant Bhole 128116962b24SJohn Fastabend memset(options, 0, OPTSTRING); 128216962b24SJohn Fastabend 128316962b24SJohn Fastabend if (txmsg_pass) 128416962b24SJohn Fastabend strncat(options, "pass,", OPTSTRING); 128516962b24SJohn Fastabend if (txmsg_redir) 128616962b24SJohn Fastabend strncat(options, "redir,", OPTSTRING); 128716962b24SJohn Fastabend if (txmsg_drop) 128816962b24SJohn Fastabend strncat(options, "drop,", OPTSTRING); 128973563aa3SPrashant Bhole if (txmsg_apply) { 129073563aa3SPrashant Bhole snprintf(tstr, OPTSTRING, "apply %d,", txmsg_apply); 129173563aa3SPrashant Bhole strncat(options, tstr, OPTSTRING); 129273563aa3SPrashant Bhole } 129373563aa3SPrashant Bhole if (txmsg_cork) { 129473563aa3SPrashant Bhole snprintf(tstr, OPTSTRING, "cork %d,", txmsg_cork); 129573563aa3SPrashant Bhole strncat(options, tstr, OPTSTRING); 129673563aa3SPrashant Bhole } 129773563aa3SPrashant Bhole if (txmsg_start) { 129873563aa3SPrashant Bhole snprintf(tstr, OPTSTRING, "start %d,", txmsg_start); 129973563aa3SPrashant Bhole strncat(options, tstr, OPTSTRING); 130073563aa3SPrashant Bhole } 130173563aa3SPrashant Bhole if (txmsg_end) { 130273563aa3SPrashant Bhole snprintf(tstr, OPTSTRING, "end %d,", txmsg_end); 130373563aa3SPrashant Bhole strncat(options, tstr, OPTSTRING); 130473563aa3SPrashant Bhole } 13051ade9abaSJohn Fastabend if (txmsg_start_pop) { 13061ade9abaSJohn Fastabend snprintf(tstr, OPTSTRING, "pop (%d,%d),", 13071ade9abaSJohn Fastabend txmsg_start_pop, txmsg_start_pop + txmsg_pop); 13081ade9abaSJohn Fastabend strncat(options, tstr, OPTSTRING); 13091ade9abaSJohn Fastabend } 131016962b24SJohn Fastabend if (txmsg_ingress) 131116962b24SJohn Fastabend strncat(options, "ingress,", OPTSTRING); 1312463bac5fSJohn Fastabend if (txmsg_redir_skb) 1313463bac5fSJohn Fastabend strncat(options, "redir_skb,", OPTSTRING); 1314463bac5fSJohn Fastabend if (txmsg_ktls_skb) 1315463bac5fSJohn Fastabend strncat(options, "ktls_skb,", OPTSTRING); 1316e9dd9047SJohn Fastabend if (ktls) 1317e9dd9047SJohn Fastabend strncat(options, "ktls,", OPTSTRING); 1318753fb2eeSJohn Fastabend if (peek_flag) 1319753fb2eeSJohn Fastabend strncat(options, "peek,", OPTSTRING); 132016962b24SJohn Fastabend } 132116962b24SJohn Fastabend 132216962b24SJohn Fastabend static int __test_exec(int cgrp, int test, struct sockmap_options *opt) 132316962b24SJohn Fastabend { 132473563aa3SPrashant Bhole char *options = calloc(OPTSTRING, sizeof(char)); 132516962b24SJohn Fastabend int err; 132616962b24SJohn Fastabend 132716962b24SJohn Fastabend if (test == SENDPAGE) 132816962b24SJohn Fastabend opt->sendpage = true; 132916962b24SJohn Fastabend else 133016962b24SJohn Fastabend opt->sendpage = false; 133116962b24SJohn Fastabend 133216962b24SJohn Fastabend if (txmsg_drop) 133316962b24SJohn Fastabend opt->drop_expected = true; 133416962b24SJohn Fastabend else 133516962b24SJohn Fastabend opt->drop_expected = false; 133616962b24SJohn Fastabend 133716962b24SJohn Fastabend test_options(options); 133816962b24SJohn Fastabend 1339328aa08aSJohn Fastabend if (opt->verbose) { 134016962b24SJohn Fastabend fprintf(stdout, 134116962b24SJohn Fastabend " [TEST %i]: (%i, %i, %i, %s, %s): ", 134216962b24SJohn Fastabend test_cnt, opt->rate, opt->iov_count, opt->iov_length, 134316962b24SJohn Fastabend test_to_str(test), options); 134416962b24SJohn Fastabend fflush(stdout); 1345328aa08aSJohn Fastabend } 134616962b24SJohn Fastabend err = run_options(opt, cgrp, test); 1347328aa08aSJohn Fastabend if (opt->verbose) 134816962b24SJohn Fastabend fprintf(stdout, " %s\n", !err ? "PASS" : "FAILED"); 134916962b24SJohn Fastabend test_cnt++; 135016962b24SJohn Fastabend !err ? passed++ : failed++; 135116962b24SJohn Fastabend free(options); 135216962b24SJohn Fastabend return err; 135316962b24SJohn Fastabend } 135416962b24SJohn Fastabend 1355328aa08aSJohn Fastabend static void test_exec(int cgrp, struct sockmap_options *opt) 135616962b24SJohn Fastabend { 1357328aa08aSJohn Fastabend int type = strcmp(opt->map, BPF_SOCKMAP_FILENAME); 1358328aa08aSJohn Fastabend int err; 135916962b24SJohn Fastabend 1360328aa08aSJohn Fastabend if (type == 0) { 1361328aa08aSJohn Fastabend test_start(); 1362328aa08aSJohn Fastabend err = __test_exec(cgrp, SENDMSG, opt); 136316962b24SJohn Fastabend if (err) 1364328aa08aSJohn Fastabend test_fail(); 1365328aa08aSJohn Fastabend } else { 1366328aa08aSJohn Fastabend test_start(); 136716962b24SJohn Fastabend err = __test_exec(cgrp, SENDPAGE, opt); 1368328aa08aSJohn Fastabend if (err) 1369328aa08aSJohn Fastabend test_fail(); 1370328aa08aSJohn Fastabend } 137116962b24SJohn Fastabend } 137216962b24SJohn Fastabend 1373328aa08aSJohn Fastabend static void test_send_one(struct sockmap_options *opt, int cgrp) 137416962b24SJohn Fastabend { 137516962b24SJohn Fastabend opt->iov_length = 1; 137616962b24SJohn Fastabend opt->iov_count = 1; 137716962b24SJohn Fastabend opt->rate = 1; 1378328aa08aSJohn Fastabend test_exec(cgrp, opt); 137916962b24SJohn Fastabend 138016962b24SJohn Fastabend opt->iov_length = 1; 138116962b24SJohn Fastabend opt->iov_count = 1024; 138216962b24SJohn Fastabend opt->rate = 1; 1383328aa08aSJohn Fastabend test_exec(cgrp, opt); 138416962b24SJohn Fastabend 138516962b24SJohn Fastabend opt->iov_length = 1024; 138616962b24SJohn Fastabend opt->iov_count = 1; 138716962b24SJohn Fastabend opt->rate = 1; 1388328aa08aSJohn Fastabend test_exec(cgrp, opt); 138916962b24SJohn Fastabend 1390328aa08aSJohn Fastabend } 1391328aa08aSJohn Fastabend 1392328aa08aSJohn Fastabend static void test_send_many(struct sockmap_options *opt, int cgrp) 1393328aa08aSJohn Fastabend { 1394328aa08aSJohn Fastabend opt->iov_length = 3; 139516962b24SJohn Fastabend opt->iov_count = 1; 1396a009f1f3SPrashant Bhole opt->rate = 512; 1397328aa08aSJohn Fastabend test_exec(cgrp, opt); 139816962b24SJohn Fastabend 139916962b24SJohn Fastabend opt->rate = 100; 140016962b24SJohn Fastabend opt->iov_count = 1; 140116962b24SJohn Fastabend opt->iov_length = 5; 1402328aa08aSJohn Fastabend test_exec(cgrp, opt); 140316962b24SJohn Fastabend } 140416962b24SJohn Fastabend 1405328aa08aSJohn Fastabend static void test_send_large(struct sockmap_options *opt, int cgrp) 140616962b24SJohn Fastabend { 1407328aa08aSJohn Fastabend opt->iov_length = 256; 1408328aa08aSJohn Fastabend opt->iov_count = 1024; 1409328aa08aSJohn Fastabend opt->rate = 2; 1410328aa08aSJohn Fastabend test_exec(cgrp, opt); 1411328aa08aSJohn Fastabend } 141216962b24SJohn Fastabend 1413328aa08aSJohn Fastabend static void test_send(struct sockmap_options *opt, int cgrp) 1414328aa08aSJohn Fastabend { 1415328aa08aSJohn Fastabend test_send_one(opt, cgrp); 1416328aa08aSJohn Fastabend test_send_many(opt, cgrp); 1417328aa08aSJohn Fastabend test_send_large(opt, cgrp); 1418328aa08aSJohn Fastabend sched_yield(); 1419328aa08aSJohn Fastabend } 1420328aa08aSJohn Fastabend 1421b98ca90cSJohn Fastabend static void test_txmsg_pass(int cgrp, struct sockmap_options *opt) 1422328aa08aSJohn Fastabend { 142316962b24SJohn Fastabend /* Test small and large iov_count values with pass/redir/apply/cork */ 142416962b24SJohn Fastabend txmsg_pass = 1; 1425b98ca90cSJohn Fastabend test_send(opt, cgrp); 142616962b24SJohn Fastabend } 142716962b24SJohn Fastabend 1428b98ca90cSJohn Fastabend static void test_txmsg_redir(int cgrp, struct sockmap_options *opt) 142916962b24SJohn Fastabend { 1430328aa08aSJohn Fastabend txmsg_redir = 1; 1431b98ca90cSJohn Fastabend test_send(opt, cgrp); 1432328aa08aSJohn Fastabend } 1433328aa08aSJohn Fastabend 1434b98ca90cSJohn Fastabend static void test_txmsg_drop(int cgrp, struct sockmap_options *opt) 1435328aa08aSJohn Fastabend { 1436328aa08aSJohn Fastabend txmsg_drop = 1; 1437b98ca90cSJohn Fastabend test_send(opt, cgrp); 1438328aa08aSJohn Fastabend } 1439328aa08aSJohn Fastabend 1440b98ca90cSJohn Fastabend static void test_txmsg_ingress_redir(int cgrp, struct sockmap_options *opt) 1441328aa08aSJohn Fastabend { 1442328aa08aSJohn Fastabend txmsg_pass = txmsg_drop = 0; 1443328aa08aSJohn Fastabend txmsg_ingress = txmsg_redir = 1; 1444b98ca90cSJohn Fastabend test_send(opt, cgrp); 1445328aa08aSJohn Fastabend } 1446328aa08aSJohn Fastabend 1447463bac5fSJohn Fastabend static void test_txmsg_skb(int cgrp, struct sockmap_options *opt) 1448463bac5fSJohn Fastabend { 1449463bac5fSJohn Fastabend bool data = opt->data_test; 1450463bac5fSJohn Fastabend int k = ktls; 1451463bac5fSJohn Fastabend 1452463bac5fSJohn Fastabend opt->data_test = true; 1453463bac5fSJohn Fastabend ktls = 1; 1454463bac5fSJohn Fastabend 1455463bac5fSJohn Fastabend txmsg_pass = txmsg_drop = 0; 1456463bac5fSJohn Fastabend txmsg_ingress = txmsg_redir = 0; 1457463bac5fSJohn Fastabend txmsg_ktls_skb = 1; 1458463bac5fSJohn Fastabend txmsg_pass = 1; 1459463bac5fSJohn Fastabend 1460463bac5fSJohn Fastabend /* Using data verification so ensure iov layout is 1461463bac5fSJohn Fastabend * expected from test receiver side. e.g. has enough 1462463bac5fSJohn Fastabend * bytes to write test code. 1463463bac5fSJohn Fastabend */ 1464463bac5fSJohn Fastabend opt->iov_length = 100; 1465463bac5fSJohn Fastabend opt->iov_count = 1; 1466463bac5fSJohn Fastabend opt->rate = 1; 1467463bac5fSJohn Fastabend test_exec(cgrp, opt); 1468463bac5fSJohn Fastabend 1469463bac5fSJohn Fastabend txmsg_ktls_skb_drop = 1; 1470463bac5fSJohn Fastabend test_exec(cgrp, opt); 1471463bac5fSJohn Fastabend 1472463bac5fSJohn Fastabend txmsg_ktls_skb_drop = 0; 1473463bac5fSJohn Fastabend txmsg_ktls_skb_redir = 1; 1474463bac5fSJohn Fastabend test_exec(cgrp, opt); 1475463bac5fSJohn Fastabend 1476463bac5fSJohn Fastabend opt->data_test = data; 1477463bac5fSJohn Fastabend ktls = k; 1478463bac5fSJohn Fastabend } 1479463bac5fSJohn Fastabend 1480463bac5fSJohn Fastabend 1481328aa08aSJohn Fastabend /* Test cork with hung data. This tests poor usage patterns where 1482328aa08aSJohn Fastabend * cork can leave data on the ring if user program is buggy and 1483328aa08aSJohn Fastabend * doesn't flush them somehow. They do take some time however 1484328aa08aSJohn Fastabend * because they wait for a timeout. Test pass, redir and cork with 1485328aa08aSJohn Fastabend * apply logic. Use cork size of 4097 with send_large to avoid 1486328aa08aSJohn Fastabend * aligning cork size with send size. 1487328aa08aSJohn Fastabend */ 1488b98ca90cSJohn Fastabend static void test_txmsg_cork_hangs(int cgrp, struct sockmap_options *opt) 1489328aa08aSJohn Fastabend { 1490328aa08aSJohn Fastabend txmsg_pass = 1; 1491328aa08aSJohn Fastabend txmsg_redir = 0; 1492328aa08aSJohn Fastabend txmsg_cork = 4097; 1493328aa08aSJohn Fastabend txmsg_apply = 4097; 1494b98ca90cSJohn Fastabend test_send_large(opt, cgrp); 1495328aa08aSJohn Fastabend 1496328aa08aSJohn Fastabend txmsg_pass = 0; 1497328aa08aSJohn Fastabend txmsg_redir = 1; 1498328aa08aSJohn Fastabend txmsg_apply = 0; 1499328aa08aSJohn Fastabend txmsg_cork = 4097; 1500b98ca90cSJohn Fastabend test_send_large(opt, cgrp); 1501328aa08aSJohn Fastabend 1502328aa08aSJohn Fastabend txmsg_pass = 0; 1503328aa08aSJohn Fastabend txmsg_redir = 1; 1504328aa08aSJohn Fastabend txmsg_apply = 4097; 1505328aa08aSJohn Fastabend txmsg_cork = 4097; 1506b98ca90cSJohn Fastabend test_send_large(opt, cgrp); 1507328aa08aSJohn Fastabend } 1508328aa08aSJohn Fastabend 1509b98ca90cSJohn Fastabend static void test_txmsg_pull(int cgrp, struct sockmap_options *opt) 1510328aa08aSJohn Fastabend { 1511328aa08aSJohn Fastabend /* Test basic start/end */ 151216962b24SJohn Fastabend txmsg_start = 1; 151316962b24SJohn Fastabend txmsg_end = 2; 1514b98ca90cSJohn Fastabend test_send(opt, cgrp); 1515328aa08aSJohn Fastabend 1516328aa08aSJohn Fastabend /* Test >4k pull */ 1517328aa08aSJohn Fastabend txmsg_start = 4096; 1518328aa08aSJohn Fastabend txmsg_end = 9182; 1519b98ca90cSJohn Fastabend test_send_large(opt, cgrp); 1520328aa08aSJohn Fastabend 1521328aa08aSJohn Fastabend /* Test pull + redirect */ 1522328aa08aSJohn Fastabend txmsg_redir = 0; 1523328aa08aSJohn Fastabend txmsg_start = 1; 1524328aa08aSJohn Fastabend txmsg_end = 2; 1525b98ca90cSJohn Fastabend test_send(opt, cgrp); 1526328aa08aSJohn Fastabend 1527328aa08aSJohn Fastabend /* Test pull + cork */ 1528328aa08aSJohn Fastabend txmsg_redir = 0; 1529328aa08aSJohn Fastabend txmsg_cork = 512; 1530328aa08aSJohn Fastabend txmsg_start = 1; 1531328aa08aSJohn Fastabend txmsg_end = 2; 1532b98ca90cSJohn Fastabend test_send_many(opt, cgrp); 1533328aa08aSJohn Fastabend 1534328aa08aSJohn Fastabend /* Test pull + cork + redirect */ 1535328aa08aSJohn Fastabend txmsg_redir = 1; 1536328aa08aSJohn Fastabend txmsg_cork = 512; 1537328aa08aSJohn Fastabend txmsg_start = 1; 1538328aa08aSJohn Fastabend txmsg_end = 2; 1539b98ca90cSJohn Fastabend test_send_many(opt, cgrp); 1540328aa08aSJohn Fastabend } 1541328aa08aSJohn Fastabend 1542b98ca90cSJohn Fastabend static void test_txmsg_pop(int cgrp, struct sockmap_options *opt) 1543328aa08aSJohn Fastabend { 1544328aa08aSJohn Fastabend /* Test basic pop */ 1545328aa08aSJohn Fastabend txmsg_start_pop = 1; 1546328aa08aSJohn Fastabend txmsg_pop = 2; 1547b98ca90cSJohn Fastabend test_send_many(opt, cgrp); 1548328aa08aSJohn Fastabend 1549328aa08aSJohn Fastabend /* Test pop with >4k */ 1550328aa08aSJohn Fastabend txmsg_start_pop = 4096; 1551328aa08aSJohn Fastabend txmsg_pop = 4096; 1552b98ca90cSJohn Fastabend test_send_large(opt, cgrp); 1553328aa08aSJohn Fastabend 1554328aa08aSJohn Fastabend /* Test pop + redirect */ 1555328aa08aSJohn Fastabend txmsg_redir = 1; 1556328aa08aSJohn Fastabend txmsg_start_pop = 1; 1557328aa08aSJohn Fastabend txmsg_pop = 2; 1558b98ca90cSJohn Fastabend test_send_many(opt, cgrp); 1559328aa08aSJohn Fastabend 1560328aa08aSJohn Fastabend /* Test pop + cork */ 1561328aa08aSJohn Fastabend txmsg_redir = 0; 1562328aa08aSJohn Fastabend txmsg_cork = 512; 1563328aa08aSJohn Fastabend txmsg_start_pop = 1; 1564328aa08aSJohn Fastabend txmsg_pop = 2; 1565b98ca90cSJohn Fastabend test_send_many(opt, cgrp); 1566328aa08aSJohn Fastabend 1567328aa08aSJohn Fastabend /* Test pop + redirect + cork */ 1568328aa08aSJohn Fastabend txmsg_redir = 1; 1569328aa08aSJohn Fastabend txmsg_cork = 4; 1570328aa08aSJohn Fastabend txmsg_start_pop = 1; 1571328aa08aSJohn Fastabend txmsg_pop = 2; 1572b98ca90cSJohn Fastabend test_send_many(opt, cgrp); 1573328aa08aSJohn Fastabend } 1574328aa08aSJohn Fastabend 1575b98ca90cSJohn Fastabend static void test_txmsg_push(int cgrp, struct sockmap_options *opt) 1576328aa08aSJohn Fastabend { 1577328aa08aSJohn Fastabend /* Test basic push */ 1578328aa08aSJohn Fastabend txmsg_start_push = 1; 1579328aa08aSJohn Fastabend txmsg_end_push = 1; 1580b98ca90cSJohn Fastabend test_send(opt, cgrp); 1581328aa08aSJohn Fastabend 1582328aa08aSJohn Fastabend /* Test push 4kB >4k */ 1583328aa08aSJohn Fastabend txmsg_start_push = 4096; 1584328aa08aSJohn Fastabend txmsg_end_push = 4096; 1585b98ca90cSJohn Fastabend test_send_large(opt, cgrp); 1586328aa08aSJohn Fastabend 1587328aa08aSJohn Fastabend /* Test push + redirect */ 1588328aa08aSJohn Fastabend txmsg_redir = 1; 158984fbfe02SJohn Fastabend txmsg_start_push = 1; 159084fbfe02SJohn Fastabend txmsg_end_push = 2; 1591b98ca90cSJohn Fastabend test_send_many(opt, cgrp); 15921ade9abaSJohn Fastabend 1593328aa08aSJohn Fastabend /* Test push + cork */ 1594328aa08aSJohn Fastabend txmsg_redir = 0; 1595328aa08aSJohn Fastabend txmsg_cork = 512; 15961ade9abaSJohn Fastabend txmsg_start_push = 1; 1597328aa08aSJohn Fastabend txmsg_end_push = 2; 1598b98ca90cSJohn Fastabend test_send_many(opt, cgrp); 159916962b24SJohn Fastabend } 160016962b24SJohn Fastabend 1601b98ca90cSJohn Fastabend static void test_txmsg_push_pop(int cgrp, struct sockmap_options *opt) 1602328aa08aSJohn Fastabend { 1603328aa08aSJohn Fastabend txmsg_start_push = 1; 1604328aa08aSJohn Fastabend txmsg_end_push = 10; 1605328aa08aSJohn Fastabend txmsg_start_pop = 5; 1606328aa08aSJohn Fastabend txmsg_pop = 4; 1607b98ca90cSJohn Fastabend test_send_large(opt, cgrp); 160816962b24SJohn Fastabend } 160916962b24SJohn Fastabend 1610b98ca90cSJohn Fastabend static void test_txmsg_apply(int cgrp, struct sockmap_options *opt) 1611328aa08aSJohn Fastabend { 1612328aa08aSJohn Fastabend txmsg_pass = 1; 1613328aa08aSJohn Fastabend txmsg_redir = 0; 1614328aa08aSJohn Fastabend txmsg_apply = 1; 1615328aa08aSJohn Fastabend txmsg_cork = 0; 1616b98ca90cSJohn Fastabend test_send_one(opt, cgrp); 16171ade9abaSJohn Fastabend 1618328aa08aSJohn Fastabend txmsg_pass = 0; 1619328aa08aSJohn Fastabend txmsg_redir = 1; 1620328aa08aSJohn Fastabend txmsg_apply = 1; 1621328aa08aSJohn Fastabend txmsg_cork = 0; 1622b98ca90cSJohn Fastabend test_send_one(opt, cgrp); 162316962b24SJohn Fastabend 1624328aa08aSJohn Fastabend txmsg_pass = 1; 1625328aa08aSJohn Fastabend txmsg_redir = 0; 1626328aa08aSJohn Fastabend txmsg_apply = 1024; 1627328aa08aSJohn Fastabend txmsg_cork = 0; 1628b98ca90cSJohn Fastabend test_send_large(opt, cgrp); 16291ade9abaSJohn Fastabend 1630328aa08aSJohn Fastabend txmsg_pass = 0; 1631328aa08aSJohn Fastabend txmsg_redir = 1; 1632328aa08aSJohn Fastabend txmsg_apply = 1024; 1633328aa08aSJohn Fastabend txmsg_cork = 0; 1634b98ca90cSJohn Fastabend test_send_large(opt, cgrp); 1635328aa08aSJohn Fastabend } 163616962b24SJohn Fastabend 1637b98ca90cSJohn Fastabend static void test_txmsg_cork(int cgrp, struct sockmap_options *opt) 1638328aa08aSJohn Fastabend { 1639328aa08aSJohn Fastabend txmsg_pass = 1; 1640328aa08aSJohn Fastabend txmsg_redir = 0; 1641328aa08aSJohn Fastabend txmsg_apply = 0; 1642328aa08aSJohn Fastabend txmsg_cork = 1; 1643b98ca90cSJohn Fastabend test_send(opt, cgrp); 164416962b24SJohn Fastabend 1645328aa08aSJohn Fastabend txmsg_pass = 1; 1646328aa08aSJohn Fastabend txmsg_redir = 0; 1647328aa08aSJohn Fastabend txmsg_apply = 1; 1648328aa08aSJohn Fastabend txmsg_cork = 1; 1649b98ca90cSJohn Fastabend test_send(opt, cgrp); 165016962b24SJohn Fastabend } 165116962b24SJohn Fastabend 165253792fa4SJohn Fastabend static void test_txmsg_ingress_parser(int cgrp, struct sockmap_options *opt) 165353792fa4SJohn Fastabend { 165453792fa4SJohn Fastabend txmsg_pass = 1; 165553792fa4SJohn Fastabend skb_use_parser = 512; 165653792fa4SJohn Fastabend opt->iov_length = 256; 165753792fa4SJohn Fastabend opt->iov_count = 1; 165853792fa4SJohn Fastabend opt->rate = 2; 165953792fa4SJohn Fastabend test_exec(cgrp, opt); 166053792fa4SJohn Fastabend } 166153792fa4SJohn Fastabend 166216962b24SJohn Fastabend char *map_names[] = { 166316962b24SJohn Fastabend "sock_map", 166416962b24SJohn Fastabend "sock_map_txmsg", 166516962b24SJohn Fastabend "sock_map_redir", 166616962b24SJohn Fastabend "sock_apply_bytes", 166716962b24SJohn Fastabend "sock_cork_bytes", 166884fbfe02SJohn Fastabend "sock_bytes", 166916962b24SJohn Fastabend "sock_redir_flags", 167016962b24SJohn Fastabend "sock_skb_opts", 1671463bac5fSJohn Fastabend "tls_sock_map", 167216962b24SJohn Fastabend }; 167316962b24SJohn Fastabend 167416962b24SJohn Fastabend int prog_attach_type[] = { 167516962b24SJohn Fastabend BPF_SK_SKB_STREAM_PARSER, 167616962b24SJohn Fastabend BPF_SK_SKB_STREAM_VERDICT, 1677463bac5fSJohn Fastabend BPF_SK_SKB_STREAM_VERDICT, 167816962b24SJohn Fastabend BPF_CGROUP_SOCK_OPS, 167916962b24SJohn Fastabend BPF_SK_MSG_VERDICT, 168016962b24SJohn Fastabend BPF_SK_MSG_VERDICT, 168116962b24SJohn Fastabend BPF_SK_MSG_VERDICT, 168216962b24SJohn Fastabend BPF_SK_MSG_VERDICT, 168316962b24SJohn Fastabend BPF_SK_MSG_VERDICT, 168416962b24SJohn Fastabend BPF_SK_MSG_VERDICT, 168516962b24SJohn Fastabend BPF_SK_MSG_VERDICT, 168616962b24SJohn Fastabend }; 168716962b24SJohn Fastabend 168816962b24SJohn Fastabend int prog_type[] = { 168916962b24SJohn Fastabend BPF_PROG_TYPE_SK_SKB, 169016962b24SJohn Fastabend BPF_PROG_TYPE_SK_SKB, 1691463bac5fSJohn Fastabend BPF_PROG_TYPE_SK_SKB, 169216962b24SJohn Fastabend BPF_PROG_TYPE_SOCK_OPS, 169316962b24SJohn Fastabend BPF_PROG_TYPE_SK_MSG, 169416962b24SJohn Fastabend BPF_PROG_TYPE_SK_MSG, 169516962b24SJohn Fastabend BPF_PROG_TYPE_SK_MSG, 169616962b24SJohn Fastabend BPF_PROG_TYPE_SK_MSG, 169716962b24SJohn Fastabend BPF_PROG_TYPE_SK_MSG, 169816962b24SJohn Fastabend BPF_PROG_TYPE_SK_MSG, 169916962b24SJohn Fastabend BPF_PROG_TYPE_SK_MSG, 170016962b24SJohn Fastabend }; 170116962b24SJohn Fastabend 1702b8b394faSJohn Fastabend static int populate_progs(char *bpf_file) 170316962b24SJohn Fastabend { 170416962b24SJohn Fastabend struct bpf_program *prog; 170516962b24SJohn Fastabend struct bpf_object *obj; 170616962b24SJohn Fastabend int i = 0; 170716962b24SJohn Fastabend long err; 170816962b24SJohn Fastabend 170916962b24SJohn Fastabend obj = bpf_object__open(bpf_file); 171016962b24SJohn Fastabend err = libbpf_get_error(obj); 171116962b24SJohn Fastabend if (err) { 171216962b24SJohn Fastabend char err_buf[256]; 171316962b24SJohn Fastabend 171416962b24SJohn Fastabend libbpf_strerror(err, err_buf, sizeof(err_buf)); 171516962b24SJohn Fastabend printf("Unable to load eBPF objects in file '%s' : %s\n", 171616962b24SJohn Fastabend bpf_file, err_buf); 171716962b24SJohn Fastabend return -1; 171816962b24SJohn Fastabend } 171916962b24SJohn Fastabend 172016962b24SJohn Fastabend bpf_object__for_each_program(prog, obj) { 172116962b24SJohn Fastabend bpf_program__set_type(prog, prog_type[i]); 172216962b24SJohn Fastabend bpf_program__set_expected_attach_type(prog, 172316962b24SJohn Fastabend prog_attach_type[i]); 172416962b24SJohn Fastabend i++; 172516962b24SJohn Fastabend } 172616962b24SJohn Fastabend 172716962b24SJohn Fastabend i = bpf_object__load(obj); 172816962b24SJohn Fastabend i = 0; 172916962b24SJohn Fastabend bpf_object__for_each_program(prog, obj) { 173016962b24SJohn Fastabend prog_fd[i] = bpf_program__fd(prog); 173116962b24SJohn Fastabend i++; 173216962b24SJohn Fastabend } 173316962b24SJohn Fastabend 173416962b24SJohn Fastabend for (i = 0; i < sizeof(map_fd)/sizeof(int); i++) { 173516962b24SJohn Fastabend maps[i] = bpf_object__find_map_by_name(obj, map_names[i]); 173616962b24SJohn Fastabend map_fd[i] = bpf_map__fd(maps[i]); 173716962b24SJohn Fastabend if (map_fd[i] < 0) { 173816962b24SJohn Fastabend fprintf(stderr, "load_bpf_file: (%i) %s\n", 173916962b24SJohn Fastabend map_fd[i], strerror(errno)); 174016962b24SJohn Fastabend return -1; 174116962b24SJohn Fastabend } 174216962b24SJohn Fastabend } 174316962b24SJohn Fastabend 174416962b24SJohn Fastabend return 0; 174516962b24SJohn Fastabend } 174616962b24SJohn Fastabend 1747328aa08aSJohn Fastabend struct _test test[] = { 1748328aa08aSJohn Fastabend {"txmsg test passthrough", test_txmsg_pass}, 1749328aa08aSJohn Fastabend {"txmsg test redirect", test_txmsg_redir}, 1750328aa08aSJohn Fastabend {"txmsg test drop", test_txmsg_drop}, 1751328aa08aSJohn Fastabend {"txmsg test ingress redirect", test_txmsg_ingress_redir}, 1752463bac5fSJohn Fastabend {"txmsg test skb", test_txmsg_skb}, 1753328aa08aSJohn Fastabend {"txmsg test apply", test_txmsg_apply}, 1754328aa08aSJohn Fastabend {"txmsg test cork", test_txmsg_cork}, 1755328aa08aSJohn Fastabend {"txmsg test hanging corks", test_txmsg_cork_hangs}, 1756328aa08aSJohn Fastabend {"txmsg test push_data", test_txmsg_push}, 1757328aa08aSJohn Fastabend {"txmsg test pull-data", test_txmsg_pull}, 1758328aa08aSJohn Fastabend {"txmsg test pop-data", test_txmsg_pop}, 1759328aa08aSJohn Fastabend {"txmsg test push/pop data", test_txmsg_push_pop}, 176053792fa4SJohn Fastabend {"txmsg text ingress parser", test_txmsg_ingress_parser}, 1761328aa08aSJohn Fastabend }; 1762328aa08aSJohn Fastabend 1763065a74cbSJohn Fastabend static int check_whitelist(struct _test *t, struct sockmap_options *opt) 1764065a74cbSJohn Fastabend { 1765065a74cbSJohn Fastabend char *entry, *ptr; 1766065a74cbSJohn Fastabend 1767065a74cbSJohn Fastabend if (!opt->whitelist) 1768065a74cbSJohn Fastabend return 0; 1769065a74cbSJohn Fastabend ptr = strdup(opt->whitelist); 1770065a74cbSJohn Fastabend if (!ptr) 1771065a74cbSJohn Fastabend return -ENOMEM; 1772065a74cbSJohn Fastabend entry = strtok(ptr, ","); 1773065a74cbSJohn Fastabend while (entry) { 177496586dd9SJohn Fastabend if ((opt->prepend && strstr(opt->prepend, entry) != 0) || 177596586dd9SJohn Fastabend strstr(opt->map, entry) != 0 || 177696586dd9SJohn Fastabend strstr(t->title, entry) != 0) 1777065a74cbSJohn Fastabend return 0; 1778065a74cbSJohn Fastabend entry = strtok(NULL, ","); 1779065a74cbSJohn Fastabend } 1780065a74cbSJohn Fastabend return -EINVAL; 1781065a74cbSJohn Fastabend } 1782065a74cbSJohn Fastabend 1783a7238f7cSJohn Fastabend static int check_blacklist(struct _test *t, struct sockmap_options *opt) 1784a7238f7cSJohn Fastabend { 1785a7238f7cSJohn Fastabend char *entry, *ptr; 1786a7238f7cSJohn Fastabend 1787a7238f7cSJohn Fastabend if (!opt->blacklist) 1788a7238f7cSJohn Fastabend return -EINVAL; 1789a7238f7cSJohn Fastabend ptr = strdup(opt->blacklist); 1790a7238f7cSJohn Fastabend if (!ptr) 1791a7238f7cSJohn Fastabend return -ENOMEM; 1792a7238f7cSJohn Fastabend entry = strtok(ptr, ","); 1793a7238f7cSJohn Fastabend while (entry) { 179496586dd9SJohn Fastabend if ((opt->prepend && strstr(opt->prepend, entry) != 0) || 179596586dd9SJohn Fastabend strstr(opt->map, entry) != 0 || 179696586dd9SJohn Fastabend strstr(t->title, entry) != 0) 1797a7238f7cSJohn Fastabend return 0; 1798a7238f7cSJohn Fastabend entry = strtok(NULL, ","); 1799a7238f7cSJohn Fastabend } 1800a7238f7cSJohn Fastabend return -EINVAL; 1801a7238f7cSJohn Fastabend } 1802a7238f7cSJohn Fastabend 1803b98ca90cSJohn Fastabend static int __test_selftests(int cg_fd, struct sockmap_options *opt) 1804328aa08aSJohn Fastabend { 1805328aa08aSJohn Fastabend int i, err; 1806328aa08aSJohn Fastabend 1807b98ca90cSJohn Fastabend err = populate_progs(opt->map); 180816962b24SJohn Fastabend if (err < 0) { 180916962b24SJohn Fastabend fprintf(stderr, "ERROR: (%i) load bpf failed\n", err); 181016962b24SJohn Fastabend return err; 181116962b24SJohn Fastabend } 181216962b24SJohn Fastabend 1813328aa08aSJohn Fastabend /* Tests basic commands and APIs */ 1814328aa08aSJohn Fastabend for (i = 0; i < sizeof(test)/sizeof(struct _test); i++) { 1815328aa08aSJohn Fastabend struct _test t = test[i]; 1816328aa08aSJohn Fastabend 1817a7238f7cSJohn Fastabend if (check_whitelist(&t, opt) != 0) 1818a7238f7cSJohn Fastabend continue; 1819a7238f7cSJohn Fastabend if (check_blacklist(&t, opt) == 0) 1820065a74cbSJohn Fastabend continue; 1821065a74cbSJohn Fastabend 182296586dd9SJohn Fastabend test_start_subtest(&t, opt); 1823b98ca90cSJohn Fastabend t.tester(cg_fd, opt); 1824328aa08aSJohn Fastabend test_end_subtest(); 1825328aa08aSJohn Fastabend } 1826328aa08aSJohn Fastabend 1827328aa08aSJohn Fastabend return err; 1828328aa08aSJohn Fastabend } 1829328aa08aSJohn Fastabend 1830b98ca90cSJohn Fastabend static void test_selftests_sockmap(int cg_fd, struct sockmap_options *opt) 1831328aa08aSJohn Fastabend { 1832b98ca90cSJohn Fastabend opt->map = BPF_SOCKMAP_FILENAME; 1833b98ca90cSJohn Fastabend __test_selftests(cg_fd, opt); 1834328aa08aSJohn Fastabend } 1835328aa08aSJohn Fastabend 1836b98ca90cSJohn Fastabend static void test_selftests_sockhash(int cg_fd, struct sockmap_options *opt) 1837328aa08aSJohn Fastabend { 1838b98ca90cSJohn Fastabend opt->map = BPF_SOCKHASH_FILENAME; 1839b98ca90cSJohn Fastabend __test_selftests(cg_fd, opt); 1840328aa08aSJohn Fastabend } 1841328aa08aSJohn Fastabend 184296586dd9SJohn Fastabend static void test_selftests_ktls(int cg_fd, struct sockmap_options *opt) 184396586dd9SJohn Fastabend { 184496586dd9SJohn Fastabend opt->map = BPF_SOCKHASH_FILENAME; 184596586dd9SJohn Fastabend opt->prepend = "ktls"; 184696586dd9SJohn Fastabend ktls = 1; 184796586dd9SJohn Fastabend __test_selftests(cg_fd, opt); 184896586dd9SJohn Fastabend ktls = 0; 184996586dd9SJohn Fastabend } 185096586dd9SJohn Fastabend 1851b98ca90cSJohn Fastabend static int test_selftest(int cg_fd, struct sockmap_options *opt) 1852328aa08aSJohn Fastabend { 185316962b24SJohn Fastabend 1854b98ca90cSJohn Fastabend test_selftests_sockmap(cg_fd, opt); 1855b98ca90cSJohn Fastabend test_selftests_sockhash(cg_fd, opt); 185696586dd9SJohn Fastabend test_selftests_ktls(cg_fd, opt); 1857328aa08aSJohn Fastabend test_print_results(); 1858328aa08aSJohn Fastabend return 0; 1859b8b394faSJohn Fastabend } 1860b8b394faSJohn Fastabend 186116962b24SJohn Fastabend int main(int argc, char **argv) 186216962b24SJohn Fastabend { 186316962b24SJohn Fastabend int iov_count = 1, length = 1024, rate = 1; 186416962b24SJohn Fastabend struct sockmap_options options = {0}; 186516962b24SJohn Fastabend int opt, longindex, err, cg_fd = 0; 1866b8b394faSJohn Fastabend char *bpf_file = BPF_SOCKMAP_FILENAME; 1867b98ca90cSJohn Fastabend int test = SELFTESTS; 186813a5f3ffSJohn Fastabend bool cg_created = 0; 186916962b24SJohn Fastabend 1870a7238f7cSJohn Fastabend while ((opt = getopt_long(argc, argv, ":dhv:c:r:i:l:t:p:q:n:b:", 187116962b24SJohn Fastabend long_options, &longindex)) != -1) { 187216962b24SJohn Fastabend switch (opt) { 187316962b24SJohn Fastabend case 's': 187416962b24SJohn Fastabend txmsg_start = atoi(optarg); 187516962b24SJohn Fastabend break; 187616962b24SJohn Fastabend case 'e': 187716962b24SJohn Fastabend txmsg_end = atoi(optarg); 187816962b24SJohn Fastabend break; 187984fbfe02SJohn Fastabend case 'p': 188084fbfe02SJohn Fastabend txmsg_start_push = atoi(optarg); 188184fbfe02SJohn Fastabend break; 188284fbfe02SJohn Fastabend case 'q': 188384fbfe02SJohn Fastabend txmsg_end_push = atoi(optarg); 188484fbfe02SJohn Fastabend break; 18851ade9abaSJohn Fastabend case 'w': 18861ade9abaSJohn Fastabend txmsg_start_pop = atoi(optarg); 18871ade9abaSJohn Fastabend break; 18881ade9abaSJohn Fastabend case 'x': 18891ade9abaSJohn Fastabend txmsg_pop = atoi(optarg); 18901ade9abaSJohn Fastabend break; 189116962b24SJohn Fastabend case 'a': 189216962b24SJohn Fastabend txmsg_apply = atoi(optarg); 189316962b24SJohn Fastabend break; 189416962b24SJohn Fastabend case 'k': 189516962b24SJohn Fastabend txmsg_cork = atoi(optarg); 189616962b24SJohn Fastabend break; 189716962b24SJohn Fastabend case 'c': 189816962b24SJohn Fastabend cg_fd = open(optarg, O_DIRECTORY, O_RDONLY); 189916962b24SJohn Fastabend if (cg_fd < 0) { 190016962b24SJohn Fastabend fprintf(stderr, 190116962b24SJohn Fastabend "ERROR: (%i) open cg path failed: %s\n", 190216962b24SJohn Fastabend cg_fd, optarg); 190316962b24SJohn Fastabend return cg_fd; 190416962b24SJohn Fastabend } 190516962b24SJohn Fastabend break; 190616962b24SJohn Fastabend case 'r': 190716962b24SJohn Fastabend rate = atoi(optarg); 190816962b24SJohn Fastabend break; 190916962b24SJohn Fastabend case 'v': 191016962b24SJohn Fastabend options.verbose = 1; 1911b98ca90cSJohn Fastabend if (optarg) 1912b98ca90cSJohn Fastabend options.verbose = atoi(optarg); 191316962b24SJohn Fastabend break; 191416962b24SJohn Fastabend case 'i': 191516962b24SJohn Fastabend iov_count = atoi(optarg); 191616962b24SJohn Fastabend break; 191716962b24SJohn Fastabend case 'l': 191816962b24SJohn Fastabend length = atoi(optarg); 191916962b24SJohn Fastabend break; 192016962b24SJohn Fastabend case 'd': 192116962b24SJohn Fastabend options.data_test = true; 192216962b24SJohn Fastabend break; 192316962b24SJohn Fastabend case 't': 192416962b24SJohn Fastabend if (strcmp(optarg, "ping") == 0) { 192516962b24SJohn Fastabend test = PING_PONG; 192616962b24SJohn Fastabend } else if (strcmp(optarg, "sendmsg") == 0) { 192716962b24SJohn Fastabend test = SENDMSG; 192816962b24SJohn Fastabend } else if (strcmp(optarg, "base") == 0) { 192916962b24SJohn Fastabend test = BASE; 193016962b24SJohn Fastabend } else if (strcmp(optarg, "base_sendpage") == 0) { 193116962b24SJohn Fastabend test = BASE_SENDPAGE; 193216962b24SJohn Fastabend } else if (strcmp(optarg, "sendpage") == 0) { 193316962b24SJohn Fastabend test = SENDPAGE; 193416962b24SJohn Fastabend } else { 193516962b24SJohn Fastabend usage(argv); 193616962b24SJohn Fastabend return -1; 193716962b24SJohn Fastabend } 193816962b24SJohn Fastabend break; 1939065a74cbSJohn Fastabend case 'n': 1940065a74cbSJohn Fastabend options.whitelist = strdup(optarg); 1941065a74cbSJohn Fastabend if (!options.whitelist) 1942065a74cbSJohn Fastabend return -ENOMEM; 1943a7238f7cSJohn Fastabend break; 1944a7238f7cSJohn Fastabend case 'b': 1945a7238f7cSJohn Fastabend options.blacklist = strdup(optarg); 1946a7238f7cSJohn Fastabend if (!options.blacklist) 1947a7238f7cSJohn Fastabend return -ENOMEM; 194816962b24SJohn Fastabend case 0: 194916962b24SJohn Fastabend break; 195016962b24SJohn Fastabend case 'h': 195116962b24SJohn Fastabend default: 195216962b24SJohn Fastabend usage(argv); 195316962b24SJohn Fastabend return -1; 195416962b24SJohn Fastabend } 195516962b24SJohn Fastabend } 195616962b24SJohn Fastabend 195716962b24SJohn Fastabend if (!cg_fd) { 19584939b284SJohn Fastabend cg_fd = cgroup_setup_and_join(CG_PATH); 19594939b284SJohn Fastabend if (cg_fd < 0) 196013a5f3ffSJohn Fastabend return cg_fd; 196113a5f3ffSJohn Fastabend cg_created = 1; 196216962b24SJohn Fastabend } 196316962b24SJohn Fastabend 1964b98ca90cSJohn Fastabend if (test == SELFTESTS) { 1965b98ca90cSJohn Fastabend err = test_selftest(cg_fd, &options); 1966b98ca90cSJohn Fastabend goto out; 1967b98ca90cSJohn Fastabend } 1968b98ca90cSJohn Fastabend 1969b8b394faSJohn Fastabend err = populate_progs(bpf_file); 197016962b24SJohn Fastabend if (err) { 197116962b24SJohn Fastabend fprintf(stderr, "populate program: (%s) %s\n", 197216962b24SJohn Fastabend bpf_file, strerror(errno)); 197316962b24SJohn Fastabend return 1; 197416962b24SJohn Fastabend } 197516962b24SJohn Fastabend running = 1; 197616962b24SJohn Fastabend 197716962b24SJohn Fastabend /* catch SIGINT */ 197816962b24SJohn Fastabend signal(SIGINT, running_handler); 197916962b24SJohn Fastabend 198016962b24SJohn Fastabend options.iov_count = iov_count; 198116962b24SJohn Fastabend options.iov_length = length; 198216962b24SJohn Fastabend options.rate = rate; 198316962b24SJohn Fastabend 198416962b24SJohn Fastabend err = run_options(&options, cg_fd, test); 1985b98ca90cSJohn Fastabend out: 1986065a74cbSJohn Fastabend if (options.whitelist) 1987065a74cbSJohn Fastabend free(options.whitelist); 1988a7238f7cSJohn Fastabend if (options.blacklist) 1989a7238f7cSJohn Fastabend free(options.blacklist); 199013a5f3ffSJohn Fastabend if (cg_created) 199113a5f3ffSJohn Fastabend cleanup_cgroup_environment(); 199216962b24SJohn Fastabend close(cg_fd); 199316962b24SJohn Fastabend return err; 199416962b24SJohn Fastabend } 199516962b24SJohn Fastabend 199616962b24SJohn Fastabend void running_handler(int a) 199716962b24SJohn Fastabend { 199816962b24SJohn Fastabend running = 0; 199916962b24SJohn Fastabend } 2000