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; 8916962b24SJohn Fastabend 9016962b24SJohn Fastabend static const struct option long_options[] = { 9116962b24SJohn Fastabend {"help", no_argument, NULL, 'h' }, 9216962b24SJohn Fastabend {"cgroup", required_argument, NULL, 'c' }, 9316962b24SJohn Fastabend {"rate", required_argument, NULL, 'r' }, 94b98ca90cSJohn Fastabend {"verbose", optional_argument, NULL, 'v' }, 9516962b24SJohn Fastabend {"iov_count", required_argument, NULL, 'i' }, 9616962b24SJohn Fastabend {"length", required_argument, NULL, 'l' }, 9716962b24SJohn Fastabend {"test", required_argument, NULL, 't' }, 9816962b24SJohn Fastabend {"data_test", no_argument, NULL, 'd' }, 9916962b24SJohn Fastabend {"txmsg", no_argument, &txmsg_pass, 1 }, 10016962b24SJohn Fastabend {"txmsg_redir", no_argument, &txmsg_redir, 1 }, 10116962b24SJohn Fastabend {"txmsg_drop", no_argument, &txmsg_drop, 1 }, 10216962b24SJohn Fastabend {"txmsg_apply", required_argument, NULL, 'a'}, 10316962b24SJohn Fastabend {"txmsg_cork", required_argument, NULL, 'k'}, 10416962b24SJohn Fastabend {"txmsg_start", required_argument, NULL, 's'}, 10516962b24SJohn Fastabend {"txmsg_end", required_argument, NULL, 'e'}, 10684fbfe02SJohn Fastabend {"txmsg_start_push", required_argument, NULL, 'p'}, 10784fbfe02SJohn Fastabend {"txmsg_end_push", required_argument, NULL, 'q'}, 1081ade9abaSJohn Fastabend {"txmsg_start_pop", required_argument, NULL, 'w'}, 1091ade9abaSJohn Fastabend {"txmsg_pop", required_argument, NULL, 'x'}, 11016962b24SJohn Fastabend {"txmsg_ingress", no_argument, &txmsg_ingress, 1 }, 111463bac5fSJohn Fastabend {"txmsg_redir_skb", no_argument, &txmsg_redir_skb, 1 }, 112e9dd9047SJohn Fastabend {"ktls", no_argument, &ktls, 1 }, 113753fb2eeSJohn Fastabend {"peek", no_argument, &peek_flag, 1 }, 114065a74cbSJohn Fastabend {"whitelist", required_argument, NULL, 'n' }, 115a7238f7cSJohn Fastabend {"blacklist", required_argument, NULL, 'b' }, 11616962b24SJohn Fastabend {0, 0, NULL, 0 } 11716962b24SJohn Fastabend }; 11816962b24SJohn Fastabend 119328aa08aSJohn Fastabend struct test_env { 120328aa08aSJohn Fastabend const char *type; 121328aa08aSJohn Fastabend const char *subtest; 12296586dd9SJohn Fastabend const char *prepend; 123328aa08aSJohn Fastabend 124328aa08aSJohn Fastabend int test_num; 125328aa08aSJohn Fastabend int subtest_num; 126328aa08aSJohn Fastabend 127328aa08aSJohn Fastabend int succ_cnt; 128328aa08aSJohn Fastabend int fail_cnt; 129328aa08aSJohn Fastabend int fail_last; 130328aa08aSJohn Fastabend }; 131328aa08aSJohn Fastabend 132328aa08aSJohn Fastabend struct test_env env; 133328aa08aSJohn Fastabend 13496586dd9SJohn Fastabend struct sockmap_options { 13596586dd9SJohn Fastabend int verbose; 13696586dd9SJohn Fastabend bool base; 13796586dd9SJohn Fastabend bool sendpage; 13896586dd9SJohn Fastabend bool data_test; 13996586dd9SJohn Fastabend bool drop_expected; 14096586dd9SJohn Fastabend int iov_count; 14196586dd9SJohn Fastabend int iov_length; 14296586dd9SJohn Fastabend int rate; 14396586dd9SJohn Fastabend char *map; 14496586dd9SJohn Fastabend char *whitelist; 14596586dd9SJohn Fastabend char *blacklist; 14696586dd9SJohn Fastabend char *prepend; 14796586dd9SJohn Fastabend }; 14896586dd9SJohn Fastabend 14996586dd9SJohn Fastabend struct _test { 15096586dd9SJohn Fastabend char *title; 15196586dd9SJohn Fastabend void (*tester)(int cg_fd, struct sockmap_options *opt); 15296586dd9SJohn Fastabend }; 15396586dd9SJohn Fastabend 154328aa08aSJohn Fastabend static void test_start(void) 155328aa08aSJohn Fastabend { 156328aa08aSJohn Fastabend env.subtest_num++; 157328aa08aSJohn Fastabend } 158328aa08aSJohn Fastabend 159328aa08aSJohn Fastabend static void test_fail(void) 160328aa08aSJohn Fastabend { 161328aa08aSJohn Fastabend env.fail_cnt++; 162328aa08aSJohn Fastabend } 163328aa08aSJohn Fastabend 164328aa08aSJohn Fastabend static void test_pass(void) 165328aa08aSJohn Fastabend { 166328aa08aSJohn Fastabend env.succ_cnt++; 167328aa08aSJohn Fastabend } 168328aa08aSJohn Fastabend 169328aa08aSJohn Fastabend static void test_reset(void) 170328aa08aSJohn Fastabend { 171328aa08aSJohn Fastabend txmsg_start = txmsg_end = 0; 172328aa08aSJohn Fastabend txmsg_start_pop = txmsg_pop = 0; 173328aa08aSJohn Fastabend txmsg_start_push = txmsg_end_push = 0; 174328aa08aSJohn Fastabend txmsg_pass = txmsg_drop = txmsg_redir = 0; 175328aa08aSJohn Fastabend txmsg_apply = txmsg_cork = 0; 176463bac5fSJohn Fastabend txmsg_ingress = txmsg_redir_skb = 0; 177463bac5fSJohn Fastabend txmsg_ktls_skb = txmsg_ktls_skb_drop = txmsg_ktls_skb_redir = 0; 17853792fa4SJohn Fastabend skb_use_parser = 0; 179328aa08aSJohn Fastabend } 180328aa08aSJohn Fastabend 18196586dd9SJohn Fastabend static int test_start_subtest(const struct _test *t, struct sockmap_options *o) 182328aa08aSJohn Fastabend { 18396586dd9SJohn Fastabend env.type = o->map; 18496586dd9SJohn Fastabend env.subtest = t->title; 18596586dd9SJohn Fastabend env.prepend = o->prepend; 186328aa08aSJohn Fastabend env.test_num++; 187328aa08aSJohn Fastabend env.subtest_num = 0; 188328aa08aSJohn Fastabend env.fail_last = env.fail_cnt; 189328aa08aSJohn Fastabend test_reset(); 190328aa08aSJohn Fastabend return 0; 191328aa08aSJohn Fastabend } 192328aa08aSJohn Fastabend 193328aa08aSJohn Fastabend static void test_end_subtest(void) 194328aa08aSJohn Fastabend { 195328aa08aSJohn Fastabend int error = env.fail_cnt - env.fail_last; 196328aa08aSJohn Fastabend int type = strcmp(env.type, BPF_SOCKMAP_FILENAME); 197328aa08aSJohn Fastabend 198328aa08aSJohn Fastabend if (!error) 199328aa08aSJohn Fastabend test_pass(); 200328aa08aSJohn Fastabend 20196586dd9SJohn Fastabend fprintf(stdout, "#%2d/%2d %8s:%s:%s:%s\n", 202328aa08aSJohn Fastabend env.test_num, env.subtest_num, 203328aa08aSJohn Fastabend !type ? "sockmap" : "sockhash", 20496586dd9SJohn Fastabend env.prepend ? : "", 205328aa08aSJohn Fastabend env.subtest, error ? "FAIL" : "OK"); 206328aa08aSJohn Fastabend } 207328aa08aSJohn Fastabend 208328aa08aSJohn Fastabend static void test_print_results(void) 209328aa08aSJohn Fastabend { 210328aa08aSJohn Fastabend fprintf(stdout, "Pass: %d Fail: %d\n", 211328aa08aSJohn Fastabend env.succ_cnt, env.fail_cnt); 212328aa08aSJohn Fastabend } 213328aa08aSJohn Fastabend 21416962b24SJohn Fastabend static void usage(char *argv[]) 21516962b24SJohn Fastabend { 21616962b24SJohn Fastabend int i; 21716962b24SJohn Fastabend 21816962b24SJohn Fastabend printf(" Usage: %s --cgroup <cgroup_path>\n", argv[0]); 21916962b24SJohn Fastabend printf(" options:\n"); 22016962b24SJohn Fastabend for (i = 0; long_options[i].name != 0; i++) { 22116962b24SJohn Fastabend printf(" --%-12s", long_options[i].name); 22216962b24SJohn Fastabend if (long_options[i].flag != NULL) 22316962b24SJohn Fastabend printf(" flag (internal value:%d)\n", 22416962b24SJohn Fastabend *long_options[i].flag); 22516962b24SJohn Fastabend else 22616962b24SJohn Fastabend printf(" -%c\n", long_options[i].val); 22716962b24SJohn Fastabend } 22816962b24SJohn Fastabend printf("\n"); 22916962b24SJohn Fastabend } 23016962b24SJohn Fastabend 231e9dd9047SJohn Fastabend char *sock_to_string(int s) 232e9dd9047SJohn Fastabend { 233e9dd9047SJohn Fastabend if (s == c1) 234e9dd9047SJohn Fastabend return "client1"; 235e9dd9047SJohn Fastabend else if (s == c2) 236e9dd9047SJohn Fastabend return "client2"; 237e9dd9047SJohn Fastabend else if (s == s1) 238e9dd9047SJohn Fastabend return "server1"; 239e9dd9047SJohn Fastabend else if (s == s2) 240e9dd9047SJohn Fastabend return "server2"; 241e9dd9047SJohn Fastabend else if (s == p1) 242e9dd9047SJohn Fastabend return "peer1"; 243e9dd9047SJohn Fastabend else if (s == p2) 244e9dd9047SJohn Fastabend return "peer2"; 245e9dd9047SJohn Fastabend else 246e9dd9047SJohn Fastabend return "unknown"; 247e9dd9047SJohn Fastabend } 248e9dd9047SJohn Fastabend 249e9dd9047SJohn Fastabend static int sockmap_init_ktls(int verbose, int s) 250e9dd9047SJohn Fastabend { 251e9dd9047SJohn Fastabend struct tls12_crypto_info_aes_gcm_128 tls_tx = { 252e9dd9047SJohn Fastabend .info = { 253e9dd9047SJohn Fastabend .version = TLS_1_2_VERSION, 254e9dd9047SJohn Fastabend .cipher_type = TLS_CIPHER_AES_GCM_128, 255e9dd9047SJohn Fastabend }, 256e9dd9047SJohn Fastabend }; 257e9dd9047SJohn Fastabend struct tls12_crypto_info_aes_gcm_128 tls_rx = { 258e9dd9047SJohn Fastabend .info = { 259e9dd9047SJohn Fastabend .version = TLS_1_2_VERSION, 260e9dd9047SJohn Fastabend .cipher_type = TLS_CIPHER_AES_GCM_128, 261e9dd9047SJohn Fastabend }, 262e9dd9047SJohn Fastabend }; 263e9dd9047SJohn Fastabend int so_buf = 6553500; 264e9dd9047SJohn Fastabend int err; 265e9dd9047SJohn Fastabend 266e9dd9047SJohn Fastabend err = setsockopt(s, 6, TCP_ULP, "tls", sizeof("tls")); 267e9dd9047SJohn Fastabend if (err) { 268e9dd9047SJohn Fastabend fprintf(stderr, "setsockopt: TCP_ULP(%s) failed with error %i\n", sock_to_string(s), err); 269e9dd9047SJohn Fastabend return -EINVAL; 270e9dd9047SJohn Fastabend } 271e9dd9047SJohn Fastabend err = setsockopt(s, SOL_TLS, TLS_TX, (void *)&tls_tx, sizeof(tls_tx)); 272e9dd9047SJohn Fastabend if (err) { 273e9dd9047SJohn Fastabend fprintf(stderr, "setsockopt: TLS_TX(%s) failed with error %i\n", sock_to_string(s), err); 274e9dd9047SJohn Fastabend return -EINVAL; 275e9dd9047SJohn Fastabend } 276e9dd9047SJohn Fastabend err = setsockopt(s, SOL_TLS, TLS_RX, (void *)&tls_rx, sizeof(tls_rx)); 277e9dd9047SJohn Fastabend if (err) { 278e9dd9047SJohn Fastabend fprintf(stderr, "setsockopt: TLS_RX(%s) failed with error %i\n", sock_to_string(s), err); 279e9dd9047SJohn Fastabend return -EINVAL; 280e9dd9047SJohn Fastabend } 281e9dd9047SJohn Fastabend err = setsockopt(s, SOL_SOCKET, SO_SNDBUF, &so_buf, sizeof(so_buf)); 282e9dd9047SJohn Fastabend if (err) { 283e9dd9047SJohn Fastabend fprintf(stderr, "setsockopt: (%s) failed sndbuf with error %i\n", sock_to_string(s), err); 284e9dd9047SJohn Fastabend return -EINVAL; 285e9dd9047SJohn Fastabend } 286e9dd9047SJohn Fastabend err = setsockopt(s, SOL_SOCKET, SO_RCVBUF, &so_buf, sizeof(so_buf)); 287e9dd9047SJohn Fastabend if (err) { 288e9dd9047SJohn Fastabend fprintf(stderr, "setsockopt: (%s) failed rcvbuf with error %i\n", sock_to_string(s), err); 289e9dd9047SJohn Fastabend return -EINVAL; 290e9dd9047SJohn Fastabend } 291e9dd9047SJohn Fastabend 292e9dd9047SJohn Fastabend if (verbose) 293e9dd9047SJohn Fastabend fprintf(stdout, "socket(%s) kTLS enabled\n", sock_to_string(s)); 294e9dd9047SJohn Fastabend return 0; 295e9dd9047SJohn Fastabend } 29616962b24SJohn Fastabend static int sockmap_init_sockets(int verbose) 29716962b24SJohn Fastabend { 29816962b24SJohn Fastabend int i, err, one = 1; 29916962b24SJohn Fastabend struct sockaddr_in addr; 30016962b24SJohn Fastabend int *fds[4] = {&s1, &s2, &c1, &c2}; 30116962b24SJohn Fastabend 30216962b24SJohn Fastabend s1 = s2 = p1 = p2 = c1 = c2 = 0; 30316962b24SJohn Fastabend 30416962b24SJohn Fastabend /* Init sockets */ 30516962b24SJohn Fastabend for (i = 0; i < 4; i++) { 30616962b24SJohn Fastabend *fds[i] = socket(AF_INET, SOCK_STREAM, 0); 30716962b24SJohn Fastabend if (*fds[i] < 0) { 30816962b24SJohn Fastabend perror("socket s1 failed()"); 30916962b24SJohn Fastabend return errno; 31016962b24SJohn Fastabend } 31116962b24SJohn Fastabend } 31216962b24SJohn Fastabend 31316962b24SJohn Fastabend /* Allow reuse */ 31416962b24SJohn Fastabend for (i = 0; i < 2; i++) { 31516962b24SJohn Fastabend err = setsockopt(*fds[i], SOL_SOCKET, SO_REUSEADDR, 31616962b24SJohn Fastabend (char *)&one, sizeof(one)); 31716962b24SJohn Fastabend if (err) { 31816962b24SJohn Fastabend perror("setsockopt failed()"); 31916962b24SJohn Fastabend return errno; 32016962b24SJohn Fastabend } 32116962b24SJohn Fastabend } 32216962b24SJohn Fastabend 32316962b24SJohn Fastabend /* Non-blocking sockets */ 32416962b24SJohn Fastabend for (i = 0; i < 2; i++) { 32516962b24SJohn Fastabend err = ioctl(*fds[i], FIONBIO, (char *)&one); 32616962b24SJohn Fastabend if (err < 0) { 32716962b24SJohn Fastabend perror("ioctl s1 failed()"); 32816962b24SJohn Fastabend return errno; 32916962b24SJohn Fastabend } 33016962b24SJohn Fastabend } 33116962b24SJohn Fastabend 33216962b24SJohn Fastabend /* Bind server sockets */ 33316962b24SJohn Fastabend memset(&addr, 0, sizeof(struct sockaddr_in)); 33416962b24SJohn Fastabend addr.sin_family = AF_INET; 33516962b24SJohn Fastabend addr.sin_addr.s_addr = inet_addr("127.0.0.1"); 33616962b24SJohn Fastabend 33716962b24SJohn Fastabend addr.sin_port = htons(S1_PORT); 33816962b24SJohn Fastabend err = bind(s1, (struct sockaddr *)&addr, sizeof(addr)); 33916962b24SJohn Fastabend if (err < 0) { 340e5dc9dd3SJakub Kicinski perror("bind s1 failed()"); 34116962b24SJohn Fastabend return errno; 34216962b24SJohn Fastabend } 34316962b24SJohn Fastabend 34416962b24SJohn Fastabend addr.sin_port = htons(S2_PORT); 34516962b24SJohn Fastabend err = bind(s2, (struct sockaddr *)&addr, sizeof(addr)); 34616962b24SJohn Fastabend if (err < 0) { 347e5dc9dd3SJakub Kicinski perror("bind s2 failed()"); 34816962b24SJohn Fastabend return errno; 34916962b24SJohn Fastabend } 35016962b24SJohn Fastabend 35116962b24SJohn Fastabend /* Listen server sockets */ 35216962b24SJohn Fastabend addr.sin_port = htons(S1_PORT); 35316962b24SJohn Fastabend err = listen(s1, 32); 35416962b24SJohn Fastabend if (err < 0) { 355e5dc9dd3SJakub Kicinski perror("listen s1 failed()"); 35616962b24SJohn Fastabend return errno; 35716962b24SJohn Fastabend } 35816962b24SJohn Fastabend 35916962b24SJohn Fastabend addr.sin_port = htons(S2_PORT); 36016962b24SJohn Fastabend err = listen(s2, 32); 36116962b24SJohn Fastabend if (err < 0) { 362e5dc9dd3SJakub Kicinski perror("listen s1 failed()"); 36316962b24SJohn Fastabend return errno; 36416962b24SJohn Fastabend } 36516962b24SJohn Fastabend 36616962b24SJohn Fastabend /* Initiate Connect */ 36716962b24SJohn Fastabend addr.sin_port = htons(S1_PORT); 36816962b24SJohn Fastabend err = connect(c1, (struct sockaddr *)&addr, sizeof(addr)); 36916962b24SJohn Fastabend if (err < 0 && errno != EINPROGRESS) { 370e5dc9dd3SJakub Kicinski perror("connect c1 failed()"); 37116962b24SJohn Fastabend return errno; 37216962b24SJohn Fastabend } 37316962b24SJohn Fastabend 37416962b24SJohn Fastabend addr.sin_port = htons(S2_PORT); 37516962b24SJohn Fastabend err = connect(c2, (struct sockaddr *)&addr, sizeof(addr)); 37616962b24SJohn Fastabend if (err < 0 && errno != EINPROGRESS) { 377e5dc9dd3SJakub Kicinski perror("connect c2 failed()"); 37816962b24SJohn Fastabend return errno; 37916962b24SJohn Fastabend } else if (err < 0) { 38016962b24SJohn Fastabend err = 0; 38116962b24SJohn Fastabend } 38216962b24SJohn Fastabend 38316962b24SJohn Fastabend /* Accept Connecrtions */ 38416962b24SJohn Fastabend p1 = accept(s1, NULL, NULL); 38516962b24SJohn Fastabend if (p1 < 0) { 386e5dc9dd3SJakub Kicinski perror("accept s1 failed()"); 38716962b24SJohn Fastabend return errno; 38816962b24SJohn Fastabend } 38916962b24SJohn Fastabend 39016962b24SJohn Fastabend p2 = accept(s2, NULL, NULL); 39116962b24SJohn Fastabend if (p2 < 0) { 392e5dc9dd3SJakub Kicinski perror("accept s1 failed()"); 39316962b24SJohn Fastabend return errno; 39416962b24SJohn Fastabend } 39516962b24SJohn Fastabend 396b98ca90cSJohn Fastabend if (verbose > 1) { 39716962b24SJohn Fastabend printf("connected sockets: c1 <-> p1, c2 <-> p2\n"); 39816962b24SJohn Fastabend printf("cgroups binding: c1(%i) <-> s1(%i) - - - c2(%i) <-> s2(%i)\n", 39916962b24SJohn Fastabend c1, s1, c2, s2); 40016962b24SJohn Fastabend } 40116962b24SJohn Fastabend return 0; 40216962b24SJohn Fastabend } 40316962b24SJohn Fastabend 40416962b24SJohn Fastabend struct msg_stats { 40516962b24SJohn Fastabend size_t bytes_sent; 40616962b24SJohn Fastabend size_t bytes_recvd; 40716962b24SJohn Fastabend struct timespec start; 40816962b24SJohn Fastabend struct timespec end; 40916962b24SJohn Fastabend }; 41016962b24SJohn Fastabend 41116962b24SJohn Fastabend static int msg_loop_sendpage(int fd, int iov_length, int cnt, 41216962b24SJohn Fastabend struct msg_stats *s, 41316962b24SJohn Fastabend struct sockmap_options *opt) 41416962b24SJohn Fastabend { 41516962b24SJohn Fastabend bool drop = opt->drop_expected; 41616962b24SJohn Fastabend unsigned char k = 0; 41716962b24SJohn Fastabend FILE *file; 41816962b24SJohn Fastabend int i, fp; 41916962b24SJohn Fastabend 420c31dbb1eSLorenz Bauer file = tmpfile(); 4214b67c515SJakub Kicinski if (!file) { 4224b67c515SJakub Kicinski perror("create file for sendpage"); 4234b67c515SJakub Kicinski return 1; 4244b67c515SJakub Kicinski } 42516962b24SJohn Fastabend for (i = 0; i < iov_length * cnt; i++, k++) 42616962b24SJohn Fastabend fwrite(&k, sizeof(char), 1, file); 42716962b24SJohn Fastabend fflush(file); 42816962b24SJohn Fastabend fseek(file, 0, SEEK_SET); 42916962b24SJohn Fastabend 430c31dbb1eSLorenz Bauer fp = fileno(file); 4314b67c515SJakub Kicinski 43216962b24SJohn Fastabend clock_gettime(CLOCK_MONOTONIC, &s->start); 43316962b24SJohn Fastabend for (i = 0; i < cnt; i++) { 434248aba1dSJohn Fastabend int sent; 435248aba1dSJohn Fastabend 436248aba1dSJohn Fastabend errno = 0; 437248aba1dSJohn Fastabend sent = sendfile(fd, fp, NULL, iov_length); 43816962b24SJohn Fastabend 43916962b24SJohn Fastabend if (!drop && sent < 0) { 440248aba1dSJohn Fastabend perror("sendpage loop error"); 441c31dbb1eSLorenz Bauer fclose(file); 44216962b24SJohn Fastabend return sent; 44316962b24SJohn Fastabend } else if (drop && sent >= 0) { 444248aba1dSJohn Fastabend printf("sendpage loop error expected: %i errno %i\n", 445248aba1dSJohn Fastabend sent, errno); 446c31dbb1eSLorenz Bauer fclose(file); 44716962b24SJohn Fastabend return -EIO; 44816962b24SJohn Fastabend } 44916962b24SJohn Fastabend 45016962b24SJohn Fastabend if (sent > 0) 45116962b24SJohn Fastabend s->bytes_sent += sent; 45216962b24SJohn Fastabend } 45316962b24SJohn Fastabend clock_gettime(CLOCK_MONOTONIC, &s->end); 454c31dbb1eSLorenz Bauer fclose(file); 45516962b24SJohn Fastabend return 0; 45616962b24SJohn Fastabend } 45716962b24SJohn Fastabend 458753fb2eeSJohn Fastabend static void msg_free_iov(struct msghdr *msg) 45916962b24SJohn Fastabend { 460753fb2eeSJohn Fastabend int i; 461753fb2eeSJohn Fastabend 462753fb2eeSJohn Fastabend for (i = 0; i < msg->msg_iovlen; i++) 463753fb2eeSJohn Fastabend free(msg->msg_iov[i].iov_base); 464753fb2eeSJohn Fastabend free(msg->msg_iov); 465753fb2eeSJohn Fastabend msg->msg_iov = NULL; 466753fb2eeSJohn Fastabend msg->msg_iovlen = 0; 467753fb2eeSJohn Fastabend } 468753fb2eeSJohn Fastabend 469753fb2eeSJohn Fastabend static int msg_alloc_iov(struct msghdr *msg, 470753fb2eeSJohn Fastabend int iov_count, int iov_length, 471753fb2eeSJohn Fastabend bool data, bool xmit) 472753fb2eeSJohn Fastabend { 473753fb2eeSJohn Fastabend unsigned char k = 0; 47416962b24SJohn Fastabend struct iovec *iov; 475753fb2eeSJohn Fastabend int i; 47616962b24SJohn Fastabend 47716962b24SJohn Fastabend iov = calloc(iov_count, sizeof(struct iovec)); 47816962b24SJohn Fastabend if (!iov) 47916962b24SJohn Fastabend return errno; 48016962b24SJohn Fastabend 48116962b24SJohn Fastabend for (i = 0; i < iov_count; i++) { 48216962b24SJohn Fastabend unsigned char *d = calloc(iov_length, sizeof(char)); 48316962b24SJohn Fastabend 48416962b24SJohn Fastabend if (!d) { 48516962b24SJohn Fastabend fprintf(stderr, "iov_count %i/%i OOM\n", i, iov_count); 486753fb2eeSJohn Fastabend goto unwind_iov; 48716962b24SJohn Fastabend } 48816962b24SJohn Fastabend iov[i].iov_base = d; 48916962b24SJohn Fastabend iov[i].iov_len = iov_length; 49016962b24SJohn Fastabend 491753fb2eeSJohn Fastabend if (data && xmit) { 49216962b24SJohn Fastabend int j; 49316962b24SJohn Fastabend 49416962b24SJohn Fastabend for (j = 0; j < iov_length; j++) 49516962b24SJohn Fastabend d[j] = k++; 49616962b24SJohn Fastabend } 49716962b24SJohn Fastabend } 49816962b24SJohn Fastabend 499753fb2eeSJohn Fastabend msg->msg_iov = iov; 500753fb2eeSJohn Fastabend msg->msg_iovlen = iov_count; 501753fb2eeSJohn Fastabend 502753fb2eeSJohn Fastabend return 0; 503753fb2eeSJohn Fastabend unwind_iov: 504753fb2eeSJohn Fastabend for (i--; i >= 0 ; i--) 505753fb2eeSJohn Fastabend free(msg->msg_iov[i].iov_base); 506753fb2eeSJohn Fastabend return -ENOMEM; 507753fb2eeSJohn Fastabend } 508753fb2eeSJohn Fastabend 509753fb2eeSJohn Fastabend static int msg_verify_data(struct msghdr *msg, int size, int chunk_sz) 510753fb2eeSJohn Fastabend { 511463bac5fSJohn Fastabend int i, j = 0, bytes_cnt = 0; 512753fb2eeSJohn Fastabend unsigned char k = 0; 513753fb2eeSJohn Fastabend 514753fb2eeSJohn Fastabend for (i = 0; i < msg->msg_iovlen; i++) { 515753fb2eeSJohn Fastabend unsigned char *d = msg->msg_iov[i].iov_base; 516753fb2eeSJohn Fastabend 517463bac5fSJohn Fastabend /* Special case test for skb ingress + ktls */ 518463bac5fSJohn Fastabend if (i == 0 && txmsg_ktls_skb) { 519463bac5fSJohn Fastabend if (msg->msg_iov[i].iov_len < 4) 520463bac5fSJohn Fastabend return -EIO; 521463bac5fSJohn Fastabend if (txmsg_ktls_skb_redir) { 522463bac5fSJohn Fastabend if (memcmp(&d[13], "PASS", 4) != 0) { 523463bac5fSJohn Fastabend fprintf(stderr, 524463bac5fSJohn Fastabend "detected redirect ktls_skb data error with skb ingress update @iov[%i]:%i \"%02x %02x %02x %02x\" != \"PASS\"\n", i, 0, d[13], d[14], d[15], d[16]); 525463bac5fSJohn Fastabend return -EIO; 526463bac5fSJohn Fastabend } 527463bac5fSJohn Fastabend d[13] = 0; 528463bac5fSJohn Fastabend d[14] = 1; 529463bac5fSJohn Fastabend d[15] = 2; 530463bac5fSJohn Fastabend d[16] = 3; 531463bac5fSJohn Fastabend j = 13; 532463bac5fSJohn Fastabend } else if (txmsg_ktls_skb) { 533463bac5fSJohn Fastabend if (memcmp(d, "PASS", 4) != 0) { 534463bac5fSJohn Fastabend fprintf(stderr, 535463bac5fSJohn Fastabend "detected ktls_skb data error with skb ingress update @iov[%i]:%i \"%02x %02x %02x %02x\" != \"PASS\"\n", i, 0, d[0], d[1], d[2], d[3]); 536463bac5fSJohn Fastabend return -EIO; 537463bac5fSJohn Fastabend } 538463bac5fSJohn Fastabend d[0] = 0; 539463bac5fSJohn Fastabend d[1] = 1; 540463bac5fSJohn Fastabend d[2] = 2; 541463bac5fSJohn Fastabend d[3] = 3; 542463bac5fSJohn Fastabend } 543463bac5fSJohn Fastabend } 544463bac5fSJohn Fastabend 545463bac5fSJohn Fastabend for (; j < msg->msg_iov[i].iov_len && size; j++) { 546753fb2eeSJohn Fastabend if (d[j] != k++) { 547753fb2eeSJohn Fastabend fprintf(stderr, 548753fb2eeSJohn Fastabend "detected data corruption @iov[%i]:%i %02x != %02x, %02x ?= %02x\n", 549753fb2eeSJohn Fastabend i, j, d[j], k - 1, d[j+1], k); 550753fb2eeSJohn Fastabend return -EIO; 551753fb2eeSJohn Fastabend } 552753fb2eeSJohn Fastabend bytes_cnt++; 553753fb2eeSJohn Fastabend if (bytes_cnt == chunk_sz) { 55416962b24SJohn Fastabend k = 0; 555753fb2eeSJohn Fastabend bytes_cnt = 0; 556753fb2eeSJohn Fastabend } 557753fb2eeSJohn Fastabend size--; 558753fb2eeSJohn Fastabend } 559753fb2eeSJohn Fastabend } 560753fb2eeSJohn Fastabend return 0; 561753fb2eeSJohn Fastabend } 562753fb2eeSJohn Fastabend 563753fb2eeSJohn Fastabend static int msg_loop(int fd, int iov_count, int iov_length, int cnt, 564753fb2eeSJohn Fastabend struct msg_stats *s, bool tx, 565753fb2eeSJohn Fastabend struct sockmap_options *opt) 566753fb2eeSJohn Fastabend { 567753fb2eeSJohn Fastabend struct msghdr msg = {0}, msg_peek = {0}; 568753fb2eeSJohn Fastabend int err, i, flags = MSG_NOSIGNAL; 569753fb2eeSJohn Fastabend bool drop = opt->drop_expected; 570753fb2eeSJohn Fastabend bool data = opt->data_test; 571753fb2eeSJohn Fastabend 572753fb2eeSJohn Fastabend err = msg_alloc_iov(&msg, iov_count, iov_length, data, tx); 573753fb2eeSJohn Fastabend if (err) 574753fb2eeSJohn Fastabend goto out_errno; 575753fb2eeSJohn Fastabend if (peek_flag) { 576753fb2eeSJohn Fastabend err = msg_alloc_iov(&msg_peek, iov_count, iov_length, data, tx); 577753fb2eeSJohn Fastabend if (err) 578753fb2eeSJohn Fastabend goto out_errno; 579753fb2eeSJohn Fastabend } 58016962b24SJohn Fastabend 58116962b24SJohn Fastabend if (tx) { 58216962b24SJohn Fastabend clock_gettime(CLOCK_MONOTONIC, &s->start); 58316962b24SJohn Fastabend for (i = 0; i < cnt; i++) { 584248aba1dSJohn Fastabend int sent; 585248aba1dSJohn Fastabend 586248aba1dSJohn Fastabend errno = 0; 587248aba1dSJohn Fastabend sent = sendmsg(fd, &msg, flags); 58816962b24SJohn Fastabend 58916962b24SJohn Fastabend if (!drop && sent < 0) { 590248aba1dSJohn Fastabend perror("sendmsg loop error"); 59116962b24SJohn Fastabend goto out_errno; 59216962b24SJohn Fastabend } else if (drop && sent >= 0) { 593248aba1dSJohn Fastabend fprintf(stderr, 594248aba1dSJohn Fastabend "sendmsg loop error expected: %i errno %i\n", 595248aba1dSJohn Fastabend sent, errno); 59616962b24SJohn Fastabend errno = -EIO; 59716962b24SJohn Fastabend goto out_errno; 59816962b24SJohn Fastabend } 59916962b24SJohn Fastabend if (sent > 0) 60016962b24SJohn Fastabend s->bytes_sent += sent; 60116962b24SJohn Fastabend } 60216962b24SJohn Fastabend clock_gettime(CLOCK_MONOTONIC, &s->end); 60316962b24SJohn Fastabend } else { 604753fb2eeSJohn Fastabend int slct, recvp = 0, recv, max_fd = fd; 6051ade9abaSJohn Fastabend float total_bytes, txmsg_pop_total; 60616962b24SJohn Fastabend int fd_flags = O_NONBLOCK; 60716962b24SJohn Fastabend struct timeval timeout; 60816962b24SJohn Fastabend fd_set w; 60916962b24SJohn Fastabend 61016962b24SJohn Fastabend fcntl(fd, fd_flags); 6111ade9abaSJohn Fastabend /* Account for pop bytes noting each iteration of apply will 6121ade9abaSJohn Fastabend * call msg_pop_data helper so we need to account for this 6131ade9abaSJohn Fastabend * by calculating the number of apply iterations. Note user 6141ade9abaSJohn Fastabend * of the tool can create cases where no data is sent by 6151ade9abaSJohn Fastabend * manipulating pop/push/pull/etc. For example txmsg_apply 1 6161ade9abaSJohn Fastabend * with txmsg_pop 1 will try to apply 1B at a time but each 6171ade9abaSJohn Fastabend * iteration will then pop 1B so no data will ever be sent. 6181ade9abaSJohn Fastabend * This is really only useful for testing edge cases in code 6191ade9abaSJohn Fastabend * paths. 6201ade9abaSJohn Fastabend */ 62116962b24SJohn Fastabend total_bytes = (float)iov_count * (float)iov_length * (float)cnt; 6221ade9abaSJohn Fastabend if (txmsg_apply) 62318d4e900SJohn Fastabend txmsg_pop_total = txmsg_pop * (total_bytes / txmsg_apply); 62418d4e900SJohn Fastabend else 62518d4e900SJohn Fastabend txmsg_pop_total = txmsg_pop * cnt; 6261ade9abaSJohn Fastabend total_bytes -= txmsg_pop_total; 62716962b24SJohn Fastabend err = clock_gettime(CLOCK_MONOTONIC, &s->start); 62816962b24SJohn Fastabend if (err < 0) 629e5dc9dd3SJakub Kicinski perror("recv start time"); 63016962b24SJohn Fastabend while (s->bytes_recvd < total_bytes) { 631a009f1f3SPrashant Bhole if (txmsg_cork) { 632a18fda1aSJohn Fastabend timeout.tv_sec = 0; 6333c6ed988SDaniel Borkmann timeout.tv_usec = 300000; 634a009f1f3SPrashant Bhole } else { 6351ade9abaSJohn Fastabend timeout.tv_sec = 3; 636a009f1f3SPrashant Bhole timeout.tv_usec = 0; 637a009f1f3SPrashant Bhole } 63816962b24SJohn Fastabend 63916962b24SJohn Fastabend /* FD sets */ 64016962b24SJohn Fastabend FD_ZERO(&w); 64116962b24SJohn Fastabend FD_SET(fd, &w); 64216962b24SJohn Fastabend 64316962b24SJohn Fastabend slct = select(max_fd + 1, &w, NULL, NULL, &timeout); 64416962b24SJohn Fastabend if (slct == -1) { 64516962b24SJohn Fastabend perror("select()"); 64616962b24SJohn Fastabend clock_gettime(CLOCK_MONOTONIC, &s->end); 64716962b24SJohn Fastabend goto out_errno; 64816962b24SJohn Fastabend } else if (!slct) { 64916962b24SJohn Fastabend if (opt->verbose) 6501ade9abaSJohn Fastabend fprintf(stderr, "unexpected timeout: recved %zu/%f pop_total %f\n", s->bytes_recvd, total_bytes, txmsg_pop_total); 65116962b24SJohn Fastabend errno = -EIO; 65216962b24SJohn Fastabend clock_gettime(CLOCK_MONOTONIC, &s->end); 65316962b24SJohn Fastabend goto out_errno; 65416962b24SJohn Fastabend } 65516962b24SJohn Fastabend 656753fb2eeSJohn Fastabend errno = 0; 657753fb2eeSJohn Fastabend if (peek_flag) { 658753fb2eeSJohn Fastabend flags |= MSG_PEEK; 659753fb2eeSJohn Fastabend recvp = recvmsg(fd, &msg_peek, flags); 660753fb2eeSJohn Fastabend if (recvp < 0) { 661753fb2eeSJohn Fastabend if (errno != EWOULDBLOCK) { 662753fb2eeSJohn Fastabend clock_gettime(CLOCK_MONOTONIC, &s->end); 663753fb2eeSJohn Fastabend goto out_errno; 664753fb2eeSJohn Fastabend } 665753fb2eeSJohn Fastabend } 666753fb2eeSJohn Fastabend flags = 0; 667753fb2eeSJohn Fastabend } 668753fb2eeSJohn Fastabend 66916962b24SJohn Fastabend recv = recvmsg(fd, &msg, flags); 67016962b24SJohn Fastabend if (recv < 0) { 67116962b24SJohn Fastabend if (errno != EWOULDBLOCK) { 67216962b24SJohn Fastabend clock_gettime(CLOCK_MONOTONIC, &s->end); 673e5dc9dd3SJakub Kicinski perror("recv failed()"); 67416962b24SJohn Fastabend goto out_errno; 67516962b24SJohn Fastabend } 67616962b24SJohn Fastabend } 67716962b24SJohn Fastabend 67816962b24SJohn Fastabend s->bytes_recvd += recv; 67916962b24SJohn Fastabend 680753fb2eeSJohn Fastabend if (data) { 681753fb2eeSJohn Fastabend int chunk_sz = opt->sendpage ? 682753fb2eeSJohn Fastabend iov_length * cnt : 683753fb2eeSJohn Fastabend iov_length * iov_count; 68416962b24SJohn Fastabend 685753fb2eeSJohn Fastabend errno = msg_verify_data(&msg, recv, chunk_sz); 686753fb2eeSJohn Fastabend if (errno) { 687e5dc9dd3SJakub Kicinski perror("data verify msg failed"); 68816962b24SJohn Fastabend goto out_errno; 68916962b24SJohn Fastabend } 690753fb2eeSJohn Fastabend if (recvp) { 691753fb2eeSJohn Fastabend errno = msg_verify_data(&msg_peek, 692753fb2eeSJohn Fastabend recvp, 693753fb2eeSJohn Fastabend chunk_sz); 694753fb2eeSJohn Fastabend if (errno) { 695e5dc9dd3SJakub Kicinski perror("data verify msg_peek failed"); 696753fb2eeSJohn Fastabend goto out_errno; 69716962b24SJohn Fastabend } 69816962b24SJohn Fastabend } 69916962b24SJohn Fastabend } 70016962b24SJohn Fastabend } 70116962b24SJohn Fastabend clock_gettime(CLOCK_MONOTONIC, &s->end); 70216962b24SJohn Fastabend } 70316962b24SJohn Fastabend 704753fb2eeSJohn Fastabend msg_free_iov(&msg); 705753fb2eeSJohn Fastabend msg_free_iov(&msg_peek); 706753fb2eeSJohn Fastabend return err; 70716962b24SJohn Fastabend out_errno: 708753fb2eeSJohn Fastabend msg_free_iov(&msg); 709753fb2eeSJohn Fastabend msg_free_iov(&msg_peek); 71016962b24SJohn Fastabend return errno; 71116962b24SJohn Fastabend } 71216962b24SJohn Fastabend 71316962b24SJohn Fastabend static float giga = 1000000000; 71416962b24SJohn Fastabend 71516962b24SJohn Fastabend static inline float sentBps(struct msg_stats s) 71616962b24SJohn Fastabend { 71716962b24SJohn Fastabend return s.bytes_sent / (s.end.tv_sec - s.start.tv_sec); 71816962b24SJohn Fastabend } 71916962b24SJohn Fastabend 72016962b24SJohn Fastabend static inline float recvdBps(struct msg_stats s) 72116962b24SJohn Fastabend { 72216962b24SJohn Fastabend return s.bytes_recvd / (s.end.tv_sec - s.start.tv_sec); 72316962b24SJohn Fastabend } 72416962b24SJohn Fastabend 72516962b24SJohn Fastabend static int sendmsg_test(struct sockmap_options *opt) 72616962b24SJohn Fastabend { 72716962b24SJohn Fastabend float sent_Bps = 0, recvd_Bps = 0; 72816962b24SJohn Fastabend int rx_fd, txpid, rxpid, err = 0; 72916962b24SJohn Fastabend struct msg_stats s = {0}; 73016962b24SJohn Fastabend int iov_count = opt->iov_count; 73116962b24SJohn Fastabend int iov_buf = opt->iov_length; 73216edddfeSPrashant Bhole int rx_status, tx_status; 73316962b24SJohn Fastabend int cnt = opt->rate; 73416962b24SJohn Fastabend 73516962b24SJohn Fastabend errno = 0; 73616962b24SJohn Fastabend 73716962b24SJohn Fastabend if (opt->base) 73816962b24SJohn Fastabend rx_fd = p1; 73916962b24SJohn Fastabend else 74016962b24SJohn Fastabend rx_fd = p2; 74116962b24SJohn Fastabend 742e9dd9047SJohn Fastabend if (ktls) { 743e9dd9047SJohn Fastabend /* Redirecting into non-TLS socket which sends into a TLS 744e9dd9047SJohn Fastabend * socket is not a valid test. So in this case lets not 745e9dd9047SJohn Fastabend * enable kTLS but still run the test. 746e9dd9047SJohn Fastabend */ 747e9dd9047SJohn Fastabend if (!txmsg_redir || (txmsg_redir && txmsg_ingress)) { 748e9dd9047SJohn Fastabend err = sockmap_init_ktls(opt->verbose, rx_fd); 749e9dd9047SJohn Fastabend if (err) 750e9dd9047SJohn Fastabend return err; 751e9dd9047SJohn Fastabend } 752e9dd9047SJohn Fastabend err = sockmap_init_ktls(opt->verbose, c1); 753e9dd9047SJohn Fastabend if (err) 754e9dd9047SJohn Fastabend return err; 755e9dd9047SJohn Fastabend } 756e9dd9047SJohn Fastabend 75716962b24SJohn Fastabend rxpid = fork(); 75816962b24SJohn Fastabend if (rxpid == 0) { 75918d4e900SJohn Fastabend iov_buf -= (txmsg_pop - txmsg_start_pop + 1); 760463bac5fSJohn Fastabend if (opt->drop_expected || txmsg_ktls_skb_drop) 76118d4e900SJohn Fastabend _exit(0); 76218d4e900SJohn Fastabend 76318d4e900SJohn Fastabend if (!iov_buf) /* zero bytes sent case */ 76418d4e900SJohn Fastabend _exit(0); 76516962b24SJohn Fastabend 76616962b24SJohn Fastabend if (opt->sendpage) 76716962b24SJohn Fastabend iov_count = 1; 76816962b24SJohn Fastabend err = msg_loop(rx_fd, iov_count, iov_buf, 76916962b24SJohn Fastabend cnt, &s, false, opt); 770b98ca90cSJohn Fastabend if (opt->verbose > 1) 77116962b24SJohn Fastabend fprintf(stderr, 77216962b24SJohn Fastabend "msg_loop_rx: iov_count %i iov_buf %i cnt %i err %i\n", 77316962b24SJohn Fastabend iov_count, iov_buf, cnt, err); 77416962b24SJohn Fastabend if (s.end.tv_sec - s.start.tv_sec) { 77516962b24SJohn Fastabend sent_Bps = sentBps(s); 77616962b24SJohn Fastabend recvd_Bps = recvdBps(s); 77716962b24SJohn Fastabend } 778b98ca90cSJohn Fastabend if (opt->verbose > 1) 77916962b24SJohn Fastabend fprintf(stdout, 780753fb2eeSJohn Fastabend "rx_sendmsg: TX: %zuB %fB/s %fGB/s RX: %zuB %fB/s %fGB/s %s\n", 78116962b24SJohn Fastabend s.bytes_sent, sent_Bps, sent_Bps/giga, 782753fb2eeSJohn Fastabend s.bytes_recvd, recvd_Bps, recvd_Bps/giga, 783753fb2eeSJohn Fastabend peek_flag ? "(peek_msg)" : ""); 78416edddfeSPrashant Bhole if (err && txmsg_cork) 78516edddfeSPrashant Bhole err = 0; 78616edddfeSPrashant Bhole exit(err ? 1 : 0); 78716962b24SJohn Fastabend } else if (rxpid == -1) { 788e5dc9dd3SJakub Kicinski perror("msg_loop_rx"); 78916962b24SJohn Fastabend return errno; 79016962b24SJohn Fastabend } 79116962b24SJohn Fastabend 79216962b24SJohn Fastabend txpid = fork(); 79316962b24SJohn Fastabend if (txpid == 0) { 79416962b24SJohn Fastabend if (opt->sendpage) 79516962b24SJohn Fastabend err = msg_loop_sendpage(c1, iov_buf, cnt, &s, opt); 79616962b24SJohn Fastabend else 79716962b24SJohn Fastabend err = msg_loop(c1, iov_count, iov_buf, 79816962b24SJohn Fastabend cnt, &s, true, opt); 79916962b24SJohn Fastabend 80016962b24SJohn Fastabend if (err) 80116962b24SJohn Fastabend fprintf(stderr, 80216962b24SJohn Fastabend "msg_loop_tx: iov_count %i iov_buf %i cnt %i err %i\n", 80316962b24SJohn Fastabend iov_count, iov_buf, cnt, err); 80416962b24SJohn Fastabend if (s.end.tv_sec - s.start.tv_sec) { 80516962b24SJohn Fastabend sent_Bps = sentBps(s); 80616962b24SJohn Fastabend recvd_Bps = recvdBps(s); 80716962b24SJohn Fastabend } 808b98ca90cSJohn Fastabend if (opt->verbose > 1) 80916962b24SJohn Fastabend fprintf(stdout, 81016962b24SJohn Fastabend "tx_sendmsg: TX: %zuB %fB/s %f GB/s RX: %zuB %fB/s %fGB/s\n", 81116962b24SJohn Fastabend s.bytes_sent, sent_Bps, sent_Bps/giga, 81216962b24SJohn Fastabend s.bytes_recvd, recvd_Bps, recvd_Bps/giga); 81316edddfeSPrashant Bhole exit(err ? 1 : 0); 81416962b24SJohn Fastabend } else if (txpid == -1) { 815e5dc9dd3SJakub Kicinski perror("msg_loop_tx"); 81616962b24SJohn Fastabend return errno; 81716962b24SJohn Fastabend } 81816962b24SJohn Fastabend 81916edddfeSPrashant Bhole assert(waitpid(rxpid, &rx_status, 0) == rxpid); 82016edddfeSPrashant Bhole assert(waitpid(txpid, &tx_status, 0) == txpid); 82116edddfeSPrashant Bhole if (WIFEXITED(rx_status)) { 82216edddfeSPrashant Bhole err = WEXITSTATUS(rx_status); 82316edddfeSPrashant Bhole if (err) { 824248aba1dSJohn Fastabend fprintf(stderr, "rx thread exited with err %d.\n", err); 82516edddfeSPrashant Bhole goto out; 82616edddfeSPrashant Bhole } 82716edddfeSPrashant Bhole } 82816edddfeSPrashant Bhole if (WIFEXITED(tx_status)) { 82916edddfeSPrashant Bhole err = WEXITSTATUS(tx_status); 83016edddfeSPrashant Bhole if (err) 831248aba1dSJohn Fastabend fprintf(stderr, "tx thread exited with err %d.\n", err); 83216edddfeSPrashant Bhole } 83316edddfeSPrashant Bhole out: 83416962b24SJohn Fastabend return err; 83516962b24SJohn Fastabend } 83616962b24SJohn Fastabend 83716962b24SJohn Fastabend static int forever_ping_pong(int rate, struct sockmap_options *opt) 83816962b24SJohn Fastabend { 83916962b24SJohn Fastabend struct timeval timeout; 84016962b24SJohn Fastabend char buf[1024] = {0}; 84116962b24SJohn Fastabend int sc; 84216962b24SJohn Fastabend 84316962b24SJohn Fastabend timeout.tv_sec = 10; 84416962b24SJohn Fastabend timeout.tv_usec = 0; 84516962b24SJohn Fastabend 84616962b24SJohn Fastabend /* Ping/Pong data from client to server */ 84716962b24SJohn Fastabend sc = send(c1, buf, sizeof(buf), 0); 84816962b24SJohn Fastabend if (sc < 0) { 849e5dc9dd3SJakub Kicinski perror("send failed()"); 85016962b24SJohn Fastabend return sc; 85116962b24SJohn Fastabend } 85216962b24SJohn Fastabend 85316962b24SJohn Fastabend do { 85416962b24SJohn Fastabend int s, rc, i, max_fd = p2; 85516962b24SJohn Fastabend fd_set w; 85616962b24SJohn Fastabend 85716962b24SJohn Fastabend /* FD sets */ 85816962b24SJohn Fastabend FD_ZERO(&w); 85916962b24SJohn Fastabend FD_SET(c1, &w); 86016962b24SJohn Fastabend FD_SET(c2, &w); 86116962b24SJohn Fastabend FD_SET(p1, &w); 86216962b24SJohn Fastabend FD_SET(p2, &w); 86316962b24SJohn Fastabend 86416962b24SJohn Fastabend s = select(max_fd + 1, &w, NULL, NULL, &timeout); 86516962b24SJohn Fastabend if (s == -1) { 86616962b24SJohn Fastabend perror("select()"); 86716962b24SJohn Fastabend break; 86816962b24SJohn Fastabend } else if (!s) { 86916962b24SJohn Fastabend fprintf(stderr, "unexpected timeout\n"); 87016962b24SJohn Fastabend break; 87116962b24SJohn Fastabend } 87216962b24SJohn Fastabend 87316962b24SJohn Fastabend for (i = 0; i <= max_fd && s > 0; ++i) { 87416962b24SJohn Fastabend if (!FD_ISSET(i, &w)) 87516962b24SJohn Fastabend continue; 87616962b24SJohn Fastabend 87716962b24SJohn Fastabend s--; 87816962b24SJohn Fastabend 87916962b24SJohn Fastabend rc = recv(i, buf, sizeof(buf), 0); 88016962b24SJohn Fastabend if (rc < 0) { 88116962b24SJohn Fastabend if (errno != EWOULDBLOCK) { 882e5dc9dd3SJakub Kicinski perror("recv failed()"); 88316962b24SJohn Fastabend return rc; 88416962b24SJohn Fastabend } 88516962b24SJohn Fastabend } 88616962b24SJohn Fastabend 88716962b24SJohn Fastabend if (rc == 0) { 88816962b24SJohn Fastabend close(i); 88916962b24SJohn Fastabend break; 89016962b24SJohn Fastabend } 89116962b24SJohn Fastabend 89216962b24SJohn Fastabend sc = send(i, buf, rc, 0); 89316962b24SJohn Fastabend if (sc < 0) { 894e5dc9dd3SJakub Kicinski perror("send failed()"); 89516962b24SJohn Fastabend return sc; 89616962b24SJohn Fastabend } 89716962b24SJohn Fastabend } 89816962b24SJohn Fastabend 89916962b24SJohn Fastabend if (rate) 90016962b24SJohn Fastabend sleep(rate); 90116962b24SJohn Fastabend 90216962b24SJohn Fastabend if (opt->verbose) { 90316962b24SJohn Fastabend printf("."); 90416962b24SJohn Fastabend fflush(stdout); 90516962b24SJohn Fastabend 90616962b24SJohn Fastabend } 90716962b24SJohn Fastabend } while (running); 90816962b24SJohn Fastabend 90916962b24SJohn Fastabend return 0; 91016962b24SJohn Fastabend } 91116962b24SJohn Fastabend 91216962b24SJohn Fastabend enum { 913b98ca90cSJohn Fastabend SELFTESTS, 91416962b24SJohn Fastabend PING_PONG, 91516962b24SJohn Fastabend SENDMSG, 91616962b24SJohn Fastabend BASE, 91716962b24SJohn Fastabend BASE_SENDPAGE, 91816962b24SJohn Fastabend SENDPAGE, 91916962b24SJohn Fastabend }; 92016962b24SJohn Fastabend 92116962b24SJohn Fastabend static int run_options(struct sockmap_options *options, int cg_fd, int test) 92216962b24SJohn Fastabend { 92316962b24SJohn Fastabend int i, key, next_key, err, tx_prog_fd = -1, zero = 0; 92416962b24SJohn Fastabend 92516962b24SJohn Fastabend /* If base test skip BPF setup */ 92616962b24SJohn Fastabend if (test == BASE || test == BASE_SENDPAGE) 92716962b24SJohn Fastabend goto run; 92816962b24SJohn Fastabend 92916962b24SJohn Fastabend /* Attach programs to sockmap */ 93016962b24SJohn Fastabend err = bpf_prog_attach(prog_fd[0], map_fd[0], 93116962b24SJohn Fastabend BPF_SK_SKB_STREAM_PARSER, 0); 93216962b24SJohn Fastabend if (err) { 93316962b24SJohn Fastabend fprintf(stderr, 93416962b24SJohn Fastabend "ERROR: bpf_prog_attach (sockmap %i->%i): %d (%s)\n", 93516962b24SJohn Fastabend prog_fd[0], map_fd[0], err, strerror(errno)); 93616962b24SJohn Fastabend return err; 93716962b24SJohn Fastabend } 93816962b24SJohn Fastabend 93916962b24SJohn Fastabend err = bpf_prog_attach(prog_fd[1], map_fd[0], 94016962b24SJohn Fastabend BPF_SK_SKB_STREAM_VERDICT, 0); 94116962b24SJohn Fastabend if (err) { 94216962b24SJohn Fastabend fprintf(stderr, "ERROR: bpf_prog_attach (sockmap): %d (%s)\n", 94316962b24SJohn Fastabend err, strerror(errno)); 94416962b24SJohn Fastabend return err; 94516962b24SJohn Fastabend } 94616962b24SJohn Fastabend 947463bac5fSJohn Fastabend /* Attach programs to TLS sockmap */ 948463bac5fSJohn Fastabend if (txmsg_ktls_skb) { 949463bac5fSJohn Fastabend err = bpf_prog_attach(prog_fd[0], map_fd[8], 950463bac5fSJohn Fastabend BPF_SK_SKB_STREAM_PARSER, 0); 951463bac5fSJohn Fastabend if (err) { 952463bac5fSJohn Fastabend fprintf(stderr, 953463bac5fSJohn Fastabend "ERROR: bpf_prog_attach (TLS sockmap %i->%i): %d (%s)\n", 954463bac5fSJohn Fastabend prog_fd[0], map_fd[8], err, strerror(errno)); 955463bac5fSJohn Fastabend return err; 956463bac5fSJohn Fastabend } 957463bac5fSJohn Fastabend 958463bac5fSJohn Fastabend err = bpf_prog_attach(prog_fd[2], map_fd[8], 959463bac5fSJohn Fastabend BPF_SK_SKB_STREAM_VERDICT, 0); 960463bac5fSJohn Fastabend if (err) { 961463bac5fSJohn Fastabend fprintf(stderr, "ERROR: bpf_prog_attach (TLS sockmap): %d (%s)\n", 962463bac5fSJohn Fastabend err, strerror(errno)); 963463bac5fSJohn Fastabend return err; 964463bac5fSJohn Fastabend } 965463bac5fSJohn Fastabend } 966463bac5fSJohn Fastabend 96716962b24SJohn Fastabend /* Attach to cgroups */ 968463bac5fSJohn Fastabend err = bpf_prog_attach(prog_fd[3], cg_fd, BPF_CGROUP_SOCK_OPS, 0); 96916962b24SJohn Fastabend if (err) { 97016962b24SJohn Fastabend fprintf(stderr, "ERROR: bpf_prog_attach (groups): %d (%s)\n", 97116962b24SJohn Fastabend err, strerror(errno)); 97216962b24SJohn Fastabend return err; 97316962b24SJohn Fastabend } 97416962b24SJohn Fastabend 97516962b24SJohn Fastabend run: 97616962b24SJohn Fastabend err = sockmap_init_sockets(options->verbose); 97716962b24SJohn Fastabend if (err) { 97816962b24SJohn Fastabend fprintf(stderr, "ERROR: test socket failed: %d\n", err); 97916962b24SJohn Fastabend goto out; 98016962b24SJohn Fastabend } 98116962b24SJohn Fastabend 98216962b24SJohn Fastabend /* Attach txmsg program to sockmap */ 98316962b24SJohn Fastabend if (txmsg_pass) 984d79a3212SJohn Fastabend tx_prog_fd = prog_fd[4]; 985463bac5fSJohn Fastabend else if (txmsg_redir) 98616962b24SJohn Fastabend tx_prog_fd = prog_fd[5]; 987463bac5fSJohn Fastabend else if (txmsg_apply) 98816962b24SJohn Fastabend tx_prog_fd = prog_fd[6]; 989463bac5fSJohn Fastabend else if (txmsg_cork) 99016962b24SJohn Fastabend tx_prog_fd = prog_fd[7]; 991463bac5fSJohn Fastabend else if (txmsg_drop) 992463bac5fSJohn Fastabend tx_prog_fd = prog_fd[8]; 99316962b24SJohn Fastabend else 99416962b24SJohn Fastabend tx_prog_fd = 0; 99516962b24SJohn Fastabend 99616962b24SJohn Fastabend if (tx_prog_fd) { 99716962b24SJohn Fastabend int redir_fd, i = 0; 99816962b24SJohn Fastabend 99916962b24SJohn Fastabend err = bpf_prog_attach(tx_prog_fd, 100016962b24SJohn Fastabend map_fd[1], BPF_SK_MSG_VERDICT, 0); 100116962b24SJohn Fastabend if (err) { 100216962b24SJohn Fastabend fprintf(stderr, 100316962b24SJohn Fastabend "ERROR: bpf_prog_attach (txmsg): %d (%s)\n", 100416962b24SJohn Fastabend err, strerror(errno)); 100516962b24SJohn Fastabend goto out; 100616962b24SJohn Fastabend } 100716962b24SJohn Fastabend 100816962b24SJohn Fastabend err = bpf_map_update_elem(map_fd[1], &i, &c1, BPF_ANY); 100916962b24SJohn Fastabend if (err) { 101016962b24SJohn Fastabend fprintf(stderr, 101116962b24SJohn Fastabend "ERROR: bpf_map_update_elem (txmsg): %d (%s\n", 101216962b24SJohn Fastabend err, strerror(errno)); 101316962b24SJohn Fastabend goto out; 101416962b24SJohn Fastabend } 101516962b24SJohn Fastabend 1016d79a3212SJohn Fastabend if (txmsg_redir) 101716962b24SJohn Fastabend redir_fd = c2; 101816962b24SJohn Fastabend else 101916962b24SJohn Fastabend redir_fd = c1; 102016962b24SJohn Fastabend 102116962b24SJohn Fastabend err = bpf_map_update_elem(map_fd[2], &i, &redir_fd, BPF_ANY); 102216962b24SJohn Fastabend if (err) { 102316962b24SJohn Fastabend fprintf(stderr, 102416962b24SJohn Fastabend "ERROR: bpf_map_update_elem (txmsg): %d (%s\n", 102516962b24SJohn Fastabend err, strerror(errno)); 102616962b24SJohn Fastabend goto out; 102716962b24SJohn Fastabend } 102816962b24SJohn Fastabend 102916962b24SJohn Fastabend if (txmsg_apply) { 103016962b24SJohn Fastabend err = bpf_map_update_elem(map_fd[3], 103116962b24SJohn Fastabend &i, &txmsg_apply, BPF_ANY); 103216962b24SJohn Fastabend if (err) { 103316962b24SJohn Fastabend fprintf(stderr, 103416962b24SJohn Fastabend "ERROR: bpf_map_update_elem (apply_bytes): %d (%s\n", 103516962b24SJohn Fastabend err, strerror(errno)); 103616962b24SJohn Fastabend goto out; 103716962b24SJohn Fastabend } 103816962b24SJohn Fastabend } 103916962b24SJohn Fastabend 104016962b24SJohn Fastabend if (txmsg_cork) { 104116962b24SJohn Fastabend err = bpf_map_update_elem(map_fd[4], 104216962b24SJohn Fastabend &i, &txmsg_cork, BPF_ANY); 104316962b24SJohn Fastabend if (err) { 104416962b24SJohn Fastabend fprintf(stderr, 104516962b24SJohn Fastabend "ERROR: bpf_map_update_elem (cork_bytes): %d (%s\n", 104616962b24SJohn Fastabend err, strerror(errno)); 104716962b24SJohn Fastabend goto out; 104816962b24SJohn Fastabend } 104916962b24SJohn Fastabend } 105016962b24SJohn Fastabend 105116962b24SJohn Fastabend if (txmsg_start) { 105216962b24SJohn Fastabend err = bpf_map_update_elem(map_fd[5], 105316962b24SJohn Fastabend &i, &txmsg_start, BPF_ANY); 105416962b24SJohn Fastabend if (err) { 105516962b24SJohn Fastabend fprintf(stderr, 105616962b24SJohn Fastabend "ERROR: bpf_map_update_elem (txmsg_start): %d (%s)\n", 105716962b24SJohn Fastabend err, strerror(errno)); 105816962b24SJohn Fastabend goto out; 105916962b24SJohn Fastabend } 106016962b24SJohn Fastabend } 106116962b24SJohn Fastabend 106216962b24SJohn Fastabend if (txmsg_end) { 106316962b24SJohn Fastabend i = 1; 106416962b24SJohn Fastabend err = bpf_map_update_elem(map_fd[5], 106516962b24SJohn Fastabend &i, &txmsg_end, BPF_ANY); 106616962b24SJohn Fastabend if (err) { 106716962b24SJohn Fastabend fprintf(stderr, 106816962b24SJohn Fastabend "ERROR: bpf_map_update_elem (txmsg_end): %d (%s)\n", 106916962b24SJohn Fastabend err, strerror(errno)); 107016962b24SJohn Fastabend goto out; 107116962b24SJohn Fastabend } 107216962b24SJohn Fastabend } 107316962b24SJohn Fastabend 107484fbfe02SJohn Fastabend if (txmsg_start_push) { 107584fbfe02SJohn Fastabend i = 2; 107684fbfe02SJohn Fastabend err = bpf_map_update_elem(map_fd[5], 107784fbfe02SJohn Fastabend &i, &txmsg_start_push, BPF_ANY); 107884fbfe02SJohn Fastabend if (err) { 107984fbfe02SJohn Fastabend fprintf(stderr, 108084fbfe02SJohn Fastabend "ERROR: bpf_map_update_elem (txmsg_start_push): %d (%s)\n", 108184fbfe02SJohn Fastabend err, strerror(errno)); 108284fbfe02SJohn Fastabend goto out; 108384fbfe02SJohn Fastabend } 108484fbfe02SJohn Fastabend } 108584fbfe02SJohn Fastabend 108684fbfe02SJohn Fastabend if (txmsg_end_push) { 108784fbfe02SJohn Fastabend i = 3; 108884fbfe02SJohn Fastabend err = bpf_map_update_elem(map_fd[5], 108984fbfe02SJohn Fastabend &i, &txmsg_end_push, BPF_ANY); 109084fbfe02SJohn Fastabend if (err) { 109184fbfe02SJohn Fastabend fprintf(stderr, 109284fbfe02SJohn Fastabend "ERROR: bpf_map_update_elem %i@%i (txmsg_end_push): %d (%s)\n", 109384fbfe02SJohn Fastabend txmsg_end_push, i, err, strerror(errno)); 109484fbfe02SJohn Fastabend goto out; 109584fbfe02SJohn Fastabend } 109684fbfe02SJohn Fastabend } 109784fbfe02SJohn Fastabend 10981ade9abaSJohn Fastabend if (txmsg_start_pop) { 10991ade9abaSJohn Fastabend i = 4; 11001ade9abaSJohn Fastabend err = bpf_map_update_elem(map_fd[5], 11011ade9abaSJohn Fastabend &i, &txmsg_start_pop, BPF_ANY); 11021ade9abaSJohn Fastabend if (err) { 11031ade9abaSJohn Fastabend fprintf(stderr, 11041ade9abaSJohn Fastabend "ERROR: bpf_map_update_elem %i@%i (txmsg_start_pop): %d (%s)\n", 11051ade9abaSJohn Fastabend txmsg_start_pop, i, err, strerror(errno)); 11061ade9abaSJohn Fastabend goto out; 11071ade9abaSJohn Fastabend } 11081ade9abaSJohn Fastabend } else { 11091ade9abaSJohn Fastabend i = 4; 11101ade9abaSJohn Fastabend bpf_map_update_elem(map_fd[5], 11111ade9abaSJohn Fastabend &i, &txmsg_start_pop, BPF_ANY); 11121ade9abaSJohn Fastabend } 11131ade9abaSJohn Fastabend 11141ade9abaSJohn Fastabend if (txmsg_pop) { 11151ade9abaSJohn Fastabend i = 5; 11161ade9abaSJohn Fastabend err = bpf_map_update_elem(map_fd[5], 11171ade9abaSJohn Fastabend &i, &txmsg_pop, BPF_ANY); 11181ade9abaSJohn Fastabend if (err) { 11191ade9abaSJohn Fastabend fprintf(stderr, 11201ade9abaSJohn Fastabend "ERROR: bpf_map_update_elem %i@%i (txmsg_pop): %d (%s)\n", 11211ade9abaSJohn Fastabend txmsg_pop, i, err, strerror(errno)); 11221ade9abaSJohn Fastabend goto out; 11231ade9abaSJohn Fastabend } 11241ade9abaSJohn Fastabend } else { 11251ade9abaSJohn Fastabend i = 5; 11261ade9abaSJohn Fastabend bpf_map_update_elem(map_fd[5], 11271ade9abaSJohn Fastabend &i, &txmsg_pop, BPF_ANY); 11281ade9abaSJohn Fastabend 11291ade9abaSJohn Fastabend } 11301ade9abaSJohn Fastabend 113116962b24SJohn Fastabend if (txmsg_ingress) { 113216962b24SJohn Fastabend int in = BPF_F_INGRESS; 113316962b24SJohn Fastabend 113416962b24SJohn Fastabend i = 0; 113516962b24SJohn Fastabend err = bpf_map_update_elem(map_fd[6], &i, &in, BPF_ANY); 113616962b24SJohn Fastabend if (err) { 113716962b24SJohn Fastabend fprintf(stderr, 113816962b24SJohn Fastabend "ERROR: bpf_map_update_elem (txmsg_ingress): %d (%s)\n", 113916962b24SJohn Fastabend err, strerror(errno)); 114016962b24SJohn Fastabend } 114116962b24SJohn Fastabend i = 1; 114216962b24SJohn Fastabend err = bpf_map_update_elem(map_fd[1], &i, &p1, BPF_ANY); 114316962b24SJohn Fastabend if (err) { 114416962b24SJohn Fastabend fprintf(stderr, 114516962b24SJohn Fastabend "ERROR: bpf_map_update_elem (p1 txmsg): %d (%s)\n", 114616962b24SJohn Fastabend err, strerror(errno)); 114716962b24SJohn Fastabend } 114816962b24SJohn Fastabend err = bpf_map_update_elem(map_fd[2], &i, &p1, BPF_ANY); 114916962b24SJohn Fastabend if (err) { 115016962b24SJohn Fastabend fprintf(stderr, 115116962b24SJohn Fastabend "ERROR: bpf_map_update_elem (p1 redir): %d (%s)\n", 115216962b24SJohn Fastabend err, strerror(errno)); 115316962b24SJohn Fastabend } 115416962b24SJohn Fastabend 115516962b24SJohn Fastabend i = 2; 115616962b24SJohn Fastabend err = bpf_map_update_elem(map_fd[2], &i, &p2, BPF_ANY); 115716962b24SJohn Fastabend if (err) { 115816962b24SJohn Fastabend fprintf(stderr, 115916962b24SJohn Fastabend "ERROR: bpf_map_update_elem (p2 txmsg): %d (%s)\n", 116016962b24SJohn Fastabend err, strerror(errno)); 116116962b24SJohn Fastabend } 116216962b24SJohn Fastabend } 116316962b24SJohn Fastabend 1164463bac5fSJohn Fastabend if (txmsg_ktls_skb) { 1165463bac5fSJohn Fastabend int ingress = BPF_F_INGRESS; 1166463bac5fSJohn Fastabend 1167463bac5fSJohn Fastabend i = 0; 1168463bac5fSJohn Fastabend err = bpf_map_update_elem(map_fd[8], &i, &p2, BPF_ANY); 1169463bac5fSJohn Fastabend if (err) { 1170463bac5fSJohn Fastabend fprintf(stderr, 1171463bac5fSJohn Fastabend "ERROR: bpf_map_update_elem (c1 sockmap): %d (%s)\n", 1172463bac5fSJohn Fastabend err, strerror(errno)); 1173463bac5fSJohn Fastabend } 1174463bac5fSJohn Fastabend 1175463bac5fSJohn Fastabend if (txmsg_ktls_skb_redir) { 1176463bac5fSJohn Fastabend i = 1; 1177463bac5fSJohn Fastabend err = bpf_map_update_elem(map_fd[7], 1178463bac5fSJohn Fastabend &i, &ingress, BPF_ANY); 1179463bac5fSJohn Fastabend if (err) { 1180463bac5fSJohn Fastabend fprintf(stderr, 1181463bac5fSJohn Fastabend "ERROR: bpf_map_update_elem (txmsg_ingress): %d (%s)\n", 1182463bac5fSJohn Fastabend err, strerror(errno)); 1183463bac5fSJohn Fastabend } 1184463bac5fSJohn Fastabend } 1185463bac5fSJohn Fastabend 1186463bac5fSJohn Fastabend if (txmsg_ktls_skb_drop) { 1187463bac5fSJohn Fastabend i = 1; 1188463bac5fSJohn Fastabend err = bpf_map_update_elem(map_fd[7], &i, &i, BPF_ANY); 1189463bac5fSJohn Fastabend } 1190463bac5fSJohn Fastabend } 1191463bac5fSJohn Fastabend 1192463bac5fSJohn Fastabend if (txmsg_redir_skb) { 119316962b24SJohn Fastabend int skb_fd = (test == SENDMSG || test == SENDPAGE) ? 119416962b24SJohn Fastabend p2 : p1; 119516962b24SJohn Fastabend int ingress = BPF_F_INGRESS; 119616962b24SJohn Fastabend 119716962b24SJohn Fastabend i = 0; 119816962b24SJohn Fastabend err = bpf_map_update_elem(map_fd[7], 119916962b24SJohn Fastabend &i, &ingress, BPF_ANY); 120016962b24SJohn Fastabend if (err) { 120116962b24SJohn Fastabend fprintf(stderr, 120216962b24SJohn Fastabend "ERROR: bpf_map_update_elem (txmsg_ingress): %d (%s)\n", 120316962b24SJohn Fastabend err, strerror(errno)); 120416962b24SJohn Fastabend } 120516962b24SJohn Fastabend 120616962b24SJohn Fastabend i = 3; 1207463bac5fSJohn Fastabend err = bpf_map_update_elem(map_fd[0], &i, &skb_fd, BPF_ANY); 120816962b24SJohn Fastabend if (err) { 120916962b24SJohn Fastabend fprintf(stderr, 121016962b24SJohn Fastabend "ERROR: bpf_map_update_elem (c1 sockmap): %d (%s)\n", 121116962b24SJohn Fastabend err, strerror(errno)); 121216962b24SJohn Fastabend } 121316962b24SJohn Fastabend } 121416962b24SJohn Fastabend } 121516962b24SJohn Fastabend 121653792fa4SJohn Fastabend if (skb_use_parser) { 121753792fa4SJohn Fastabend i = 2; 121853792fa4SJohn Fastabend err = bpf_map_update_elem(map_fd[7], &i, &skb_use_parser, BPF_ANY); 121953792fa4SJohn Fastabend } 122053792fa4SJohn Fastabend 122116962b24SJohn Fastabend if (txmsg_drop) 122216962b24SJohn Fastabend options->drop_expected = true; 122316962b24SJohn Fastabend 122416962b24SJohn Fastabend if (test == PING_PONG) 122516962b24SJohn Fastabend err = forever_ping_pong(options->rate, options); 122616962b24SJohn Fastabend else if (test == SENDMSG) { 122716962b24SJohn Fastabend options->base = false; 122816962b24SJohn Fastabend options->sendpage = false; 122916962b24SJohn Fastabend err = sendmsg_test(options); 123016962b24SJohn Fastabend } else if (test == SENDPAGE) { 123116962b24SJohn Fastabend options->base = false; 123216962b24SJohn Fastabend options->sendpage = true; 123316962b24SJohn Fastabend err = sendmsg_test(options); 123416962b24SJohn Fastabend } else if (test == BASE) { 123516962b24SJohn Fastabend options->base = true; 123616962b24SJohn Fastabend options->sendpage = false; 123716962b24SJohn Fastabend err = sendmsg_test(options); 123816962b24SJohn Fastabend } else if (test == BASE_SENDPAGE) { 123916962b24SJohn Fastabend options->base = true; 124016962b24SJohn Fastabend options->sendpage = true; 124116962b24SJohn Fastabend err = sendmsg_test(options); 124216962b24SJohn Fastabend } else 124316962b24SJohn Fastabend fprintf(stderr, "unknown test\n"); 124416962b24SJohn Fastabend out: 124516962b24SJohn Fastabend /* Detatch and zero all the maps */ 1246463bac5fSJohn Fastabend bpf_prog_detach2(prog_fd[3], cg_fd, BPF_CGROUP_SOCK_OPS); 124716962b24SJohn Fastabend bpf_prog_detach2(prog_fd[0], map_fd[0], BPF_SK_SKB_STREAM_PARSER); 124816962b24SJohn Fastabend bpf_prog_detach2(prog_fd[1], map_fd[0], BPF_SK_SKB_STREAM_VERDICT); 1249463bac5fSJohn Fastabend bpf_prog_detach2(prog_fd[0], map_fd[8], BPF_SK_SKB_STREAM_PARSER); 1250463bac5fSJohn Fastabend bpf_prog_detach2(prog_fd[2], map_fd[8], BPF_SK_SKB_STREAM_VERDICT); 1251463bac5fSJohn Fastabend 125216962b24SJohn Fastabend if (tx_prog_fd >= 0) 125316962b24SJohn Fastabend bpf_prog_detach2(tx_prog_fd, map_fd[1], BPF_SK_MSG_VERDICT); 125416962b24SJohn Fastabend 125516962b24SJohn Fastabend for (i = 0; i < 8; i++) { 125616962b24SJohn Fastabend key = next_key = 0; 125716962b24SJohn Fastabend bpf_map_update_elem(map_fd[i], &key, &zero, BPF_ANY); 125816962b24SJohn Fastabend while (bpf_map_get_next_key(map_fd[i], &key, &next_key) == 0) { 125916962b24SJohn Fastabend bpf_map_update_elem(map_fd[i], &key, &zero, BPF_ANY); 126016962b24SJohn Fastabend key = next_key; 126116962b24SJohn Fastabend } 126216962b24SJohn Fastabend } 126316962b24SJohn Fastabend 126416962b24SJohn Fastabend close(s1); 126516962b24SJohn Fastabend close(s2); 126616962b24SJohn Fastabend close(p1); 126716962b24SJohn Fastabend close(p2); 126816962b24SJohn Fastabend close(c1); 126916962b24SJohn Fastabend close(c2); 127016962b24SJohn Fastabend return err; 127116962b24SJohn Fastabend } 127216962b24SJohn Fastabend 127316962b24SJohn Fastabend static char *test_to_str(int test) 127416962b24SJohn Fastabend { 127516962b24SJohn Fastabend switch (test) { 127616962b24SJohn Fastabend case SENDMSG: 127716962b24SJohn Fastabend return "sendmsg"; 127816962b24SJohn Fastabend case SENDPAGE: 127916962b24SJohn Fastabend return "sendpage"; 128016962b24SJohn Fastabend } 128116962b24SJohn Fastabend return "unknown"; 128216962b24SJohn Fastabend } 128316962b24SJohn Fastabend 128416962b24SJohn Fastabend #define OPTSTRING 60 128516962b24SJohn Fastabend static void test_options(char *options) 128616962b24SJohn Fastabend { 128773563aa3SPrashant Bhole char tstr[OPTSTRING]; 128873563aa3SPrashant Bhole 128916962b24SJohn Fastabend memset(options, 0, OPTSTRING); 129016962b24SJohn Fastabend 129116962b24SJohn Fastabend if (txmsg_pass) 129216962b24SJohn Fastabend strncat(options, "pass,", OPTSTRING); 129316962b24SJohn Fastabend if (txmsg_redir) 129416962b24SJohn Fastabend strncat(options, "redir,", OPTSTRING); 129516962b24SJohn Fastabend if (txmsg_drop) 129616962b24SJohn Fastabend strncat(options, "drop,", OPTSTRING); 129773563aa3SPrashant Bhole if (txmsg_apply) { 129873563aa3SPrashant Bhole snprintf(tstr, OPTSTRING, "apply %d,", txmsg_apply); 129973563aa3SPrashant Bhole strncat(options, tstr, OPTSTRING); 130073563aa3SPrashant Bhole } 130173563aa3SPrashant Bhole if (txmsg_cork) { 130273563aa3SPrashant Bhole snprintf(tstr, OPTSTRING, "cork %d,", txmsg_cork); 130373563aa3SPrashant Bhole strncat(options, tstr, OPTSTRING); 130473563aa3SPrashant Bhole } 130573563aa3SPrashant Bhole if (txmsg_start) { 130673563aa3SPrashant Bhole snprintf(tstr, OPTSTRING, "start %d,", txmsg_start); 130773563aa3SPrashant Bhole strncat(options, tstr, OPTSTRING); 130873563aa3SPrashant Bhole } 130973563aa3SPrashant Bhole if (txmsg_end) { 131073563aa3SPrashant Bhole snprintf(tstr, OPTSTRING, "end %d,", txmsg_end); 131173563aa3SPrashant Bhole strncat(options, tstr, OPTSTRING); 131273563aa3SPrashant Bhole } 13131ade9abaSJohn Fastabend if (txmsg_start_pop) { 13141ade9abaSJohn Fastabend snprintf(tstr, OPTSTRING, "pop (%d,%d),", 13151ade9abaSJohn Fastabend txmsg_start_pop, txmsg_start_pop + txmsg_pop); 13161ade9abaSJohn Fastabend strncat(options, tstr, OPTSTRING); 13171ade9abaSJohn Fastabend } 131816962b24SJohn Fastabend if (txmsg_ingress) 131916962b24SJohn Fastabend strncat(options, "ingress,", OPTSTRING); 1320463bac5fSJohn Fastabend if (txmsg_redir_skb) 1321463bac5fSJohn Fastabend strncat(options, "redir_skb,", OPTSTRING); 1322463bac5fSJohn Fastabend if (txmsg_ktls_skb) 1323463bac5fSJohn Fastabend strncat(options, "ktls_skb,", OPTSTRING); 1324e9dd9047SJohn Fastabend if (ktls) 1325e9dd9047SJohn Fastabend strncat(options, "ktls,", OPTSTRING); 1326753fb2eeSJohn Fastabend if (peek_flag) 1327753fb2eeSJohn Fastabend strncat(options, "peek,", OPTSTRING); 132816962b24SJohn Fastabend } 132916962b24SJohn Fastabend 133016962b24SJohn Fastabend static int __test_exec(int cgrp, int test, struct sockmap_options *opt) 133116962b24SJohn Fastabend { 133273563aa3SPrashant Bhole char *options = calloc(OPTSTRING, sizeof(char)); 133316962b24SJohn Fastabend int err; 133416962b24SJohn Fastabend 133516962b24SJohn Fastabend if (test == SENDPAGE) 133616962b24SJohn Fastabend opt->sendpage = true; 133716962b24SJohn Fastabend else 133816962b24SJohn Fastabend opt->sendpage = false; 133916962b24SJohn Fastabend 134016962b24SJohn Fastabend if (txmsg_drop) 134116962b24SJohn Fastabend opt->drop_expected = true; 134216962b24SJohn Fastabend else 134316962b24SJohn Fastabend opt->drop_expected = false; 134416962b24SJohn Fastabend 134516962b24SJohn Fastabend test_options(options); 134616962b24SJohn Fastabend 1347328aa08aSJohn Fastabend if (opt->verbose) { 134816962b24SJohn Fastabend fprintf(stdout, 134916962b24SJohn Fastabend " [TEST %i]: (%i, %i, %i, %s, %s): ", 135016962b24SJohn Fastabend test_cnt, opt->rate, opt->iov_count, opt->iov_length, 135116962b24SJohn Fastabend test_to_str(test), options); 135216962b24SJohn Fastabend fflush(stdout); 1353328aa08aSJohn Fastabend } 135416962b24SJohn Fastabend err = run_options(opt, cgrp, test); 1355328aa08aSJohn Fastabend if (opt->verbose) 135616962b24SJohn Fastabend fprintf(stdout, " %s\n", !err ? "PASS" : "FAILED"); 135716962b24SJohn Fastabend test_cnt++; 135816962b24SJohn Fastabend !err ? passed++ : failed++; 135916962b24SJohn Fastabend free(options); 136016962b24SJohn Fastabend return err; 136116962b24SJohn Fastabend } 136216962b24SJohn Fastabend 1363328aa08aSJohn Fastabend static void test_exec(int cgrp, struct sockmap_options *opt) 136416962b24SJohn Fastabend { 1365328aa08aSJohn Fastabend int type = strcmp(opt->map, BPF_SOCKMAP_FILENAME); 1366328aa08aSJohn Fastabend int err; 136716962b24SJohn Fastabend 1368328aa08aSJohn Fastabend if (type == 0) { 1369328aa08aSJohn Fastabend test_start(); 1370328aa08aSJohn Fastabend err = __test_exec(cgrp, SENDMSG, opt); 137116962b24SJohn Fastabend if (err) 1372328aa08aSJohn Fastabend test_fail(); 1373328aa08aSJohn Fastabend } else { 1374328aa08aSJohn Fastabend test_start(); 137516962b24SJohn Fastabend err = __test_exec(cgrp, SENDPAGE, opt); 1376328aa08aSJohn Fastabend if (err) 1377328aa08aSJohn Fastabend test_fail(); 1378328aa08aSJohn Fastabend } 137916962b24SJohn Fastabend } 138016962b24SJohn Fastabend 1381328aa08aSJohn Fastabend static void test_send_one(struct sockmap_options *opt, int cgrp) 138216962b24SJohn Fastabend { 138316962b24SJohn Fastabend opt->iov_length = 1; 138416962b24SJohn Fastabend opt->iov_count = 1; 138516962b24SJohn Fastabend opt->rate = 1; 1386328aa08aSJohn Fastabend test_exec(cgrp, opt); 138716962b24SJohn Fastabend 138816962b24SJohn Fastabend opt->iov_length = 1; 138916962b24SJohn Fastabend opt->iov_count = 1024; 139016962b24SJohn Fastabend opt->rate = 1; 1391328aa08aSJohn Fastabend test_exec(cgrp, opt); 139216962b24SJohn Fastabend 139316962b24SJohn Fastabend opt->iov_length = 1024; 139416962b24SJohn Fastabend opt->iov_count = 1; 139516962b24SJohn Fastabend opt->rate = 1; 1396328aa08aSJohn Fastabend test_exec(cgrp, opt); 139716962b24SJohn Fastabend 1398328aa08aSJohn Fastabend } 1399328aa08aSJohn Fastabend 1400328aa08aSJohn Fastabend static void test_send_many(struct sockmap_options *opt, int cgrp) 1401328aa08aSJohn Fastabend { 1402328aa08aSJohn Fastabend opt->iov_length = 3; 140316962b24SJohn Fastabend opt->iov_count = 1; 1404a009f1f3SPrashant Bhole opt->rate = 512; 1405328aa08aSJohn Fastabend test_exec(cgrp, opt); 140616962b24SJohn Fastabend 140716962b24SJohn Fastabend opt->rate = 100; 140816962b24SJohn Fastabend opt->iov_count = 1; 140916962b24SJohn Fastabend opt->iov_length = 5; 1410328aa08aSJohn Fastabend test_exec(cgrp, opt); 141116962b24SJohn Fastabend } 141216962b24SJohn Fastabend 1413328aa08aSJohn Fastabend static void test_send_large(struct sockmap_options *opt, int cgrp) 141416962b24SJohn Fastabend { 1415328aa08aSJohn Fastabend opt->iov_length = 256; 1416328aa08aSJohn Fastabend opt->iov_count = 1024; 1417328aa08aSJohn Fastabend opt->rate = 2; 1418328aa08aSJohn Fastabend test_exec(cgrp, opt); 1419328aa08aSJohn Fastabend } 142016962b24SJohn Fastabend 1421328aa08aSJohn Fastabend static void test_send(struct sockmap_options *opt, int cgrp) 1422328aa08aSJohn Fastabend { 1423328aa08aSJohn Fastabend test_send_one(opt, cgrp); 1424328aa08aSJohn Fastabend test_send_many(opt, cgrp); 1425328aa08aSJohn Fastabend test_send_large(opt, cgrp); 1426328aa08aSJohn Fastabend sched_yield(); 1427328aa08aSJohn Fastabend } 1428328aa08aSJohn Fastabend 1429b98ca90cSJohn Fastabend static void test_txmsg_pass(int cgrp, struct sockmap_options *opt) 1430328aa08aSJohn Fastabend { 143116962b24SJohn Fastabend /* Test small and large iov_count values with pass/redir/apply/cork */ 143216962b24SJohn Fastabend txmsg_pass = 1; 1433b98ca90cSJohn Fastabend test_send(opt, cgrp); 143416962b24SJohn Fastabend } 143516962b24SJohn Fastabend 1436b98ca90cSJohn Fastabend static void test_txmsg_redir(int cgrp, struct sockmap_options *opt) 143716962b24SJohn Fastabend { 1438328aa08aSJohn Fastabend txmsg_redir = 1; 1439b98ca90cSJohn Fastabend test_send(opt, cgrp); 1440328aa08aSJohn Fastabend } 1441328aa08aSJohn Fastabend 1442b98ca90cSJohn Fastabend static void test_txmsg_drop(int cgrp, struct sockmap_options *opt) 1443328aa08aSJohn Fastabend { 1444328aa08aSJohn Fastabend txmsg_drop = 1; 1445b98ca90cSJohn Fastabend test_send(opt, cgrp); 1446328aa08aSJohn Fastabend } 1447328aa08aSJohn Fastabend 1448b98ca90cSJohn Fastabend static void test_txmsg_ingress_redir(int cgrp, struct sockmap_options *opt) 1449328aa08aSJohn Fastabend { 1450328aa08aSJohn Fastabend txmsg_pass = txmsg_drop = 0; 1451328aa08aSJohn Fastabend txmsg_ingress = txmsg_redir = 1; 1452b98ca90cSJohn Fastabend test_send(opt, cgrp); 1453328aa08aSJohn Fastabend } 1454328aa08aSJohn Fastabend 1455463bac5fSJohn Fastabend static void test_txmsg_skb(int cgrp, struct sockmap_options *opt) 1456463bac5fSJohn Fastabend { 1457463bac5fSJohn Fastabend bool data = opt->data_test; 1458463bac5fSJohn Fastabend int k = ktls; 1459463bac5fSJohn Fastabend 1460463bac5fSJohn Fastabend opt->data_test = true; 1461463bac5fSJohn Fastabend ktls = 1; 1462463bac5fSJohn Fastabend 1463463bac5fSJohn Fastabend txmsg_pass = txmsg_drop = 0; 1464463bac5fSJohn Fastabend txmsg_ingress = txmsg_redir = 0; 1465463bac5fSJohn Fastabend txmsg_ktls_skb = 1; 1466463bac5fSJohn Fastabend txmsg_pass = 1; 1467463bac5fSJohn Fastabend 1468463bac5fSJohn Fastabend /* Using data verification so ensure iov layout is 1469463bac5fSJohn Fastabend * expected from test receiver side. e.g. has enough 1470463bac5fSJohn Fastabend * bytes to write test code. 1471463bac5fSJohn Fastabend */ 1472463bac5fSJohn Fastabend opt->iov_length = 100; 1473463bac5fSJohn Fastabend opt->iov_count = 1; 1474463bac5fSJohn Fastabend opt->rate = 1; 1475463bac5fSJohn Fastabend test_exec(cgrp, opt); 1476463bac5fSJohn Fastabend 1477463bac5fSJohn Fastabend txmsg_ktls_skb_drop = 1; 1478463bac5fSJohn Fastabend test_exec(cgrp, opt); 1479463bac5fSJohn Fastabend 1480463bac5fSJohn Fastabend txmsg_ktls_skb_drop = 0; 1481463bac5fSJohn Fastabend txmsg_ktls_skb_redir = 1; 1482463bac5fSJohn Fastabend test_exec(cgrp, opt); 1483463bac5fSJohn Fastabend 1484463bac5fSJohn Fastabend opt->data_test = data; 1485463bac5fSJohn Fastabend ktls = k; 1486463bac5fSJohn Fastabend } 1487463bac5fSJohn Fastabend 1488463bac5fSJohn Fastabend 1489328aa08aSJohn Fastabend /* Test cork with hung data. This tests poor usage patterns where 1490328aa08aSJohn Fastabend * cork can leave data on the ring if user program is buggy and 1491328aa08aSJohn Fastabend * doesn't flush them somehow. They do take some time however 1492328aa08aSJohn Fastabend * because they wait for a timeout. Test pass, redir and cork with 1493328aa08aSJohn Fastabend * apply logic. Use cork size of 4097 with send_large to avoid 1494328aa08aSJohn Fastabend * aligning cork size with send size. 1495328aa08aSJohn Fastabend */ 1496b98ca90cSJohn Fastabend static void test_txmsg_cork_hangs(int cgrp, struct sockmap_options *opt) 1497328aa08aSJohn Fastabend { 1498328aa08aSJohn Fastabend txmsg_pass = 1; 1499328aa08aSJohn Fastabend txmsg_redir = 0; 1500328aa08aSJohn Fastabend txmsg_cork = 4097; 1501328aa08aSJohn Fastabend txmsg_apply = 4097; 1502b98ca90cSJohn Fastabend test_send_large(opt, cgrp); 1503328aa08aSJohn Fastabend 1504328aa08aSJohn Fastabend txmsg_pass = 0; 1505328aa08aSJohn Fastabend txmsg_redir = 1; 1506328aa08aSJohn Fastabend txmsg_apply = 0; 1507328aa08aSJohn Fastabend txmsg_cork = 4097; 1508b98ca90cSJohn Fastabend test_send_large(opt, cgrp); 1509328aa08aSJohn Fastabend 1510328aa08aSJohn Fastabend txmsg_pass = 0; 1511328aa08aSJohn Fastabend txmsg_redir = 1; 1512328aa08aSJohn Fastabend txmsg_apply = 4097; 1513328aa08aSJohn Fastabend txmsg_cork = 4097; 1514b98ca90cSJohn Fastabend test_send_large(opt, cgrp); 1515328aa08aSJohn Fastabend } 1516328aa08aSJohn Fastabend 1517b98ca90cSJohn Fastabend static void test_txmsg_pull(int cgrp, struct sockmap_options *opt) 1518328aa08aSJohn Fastabend { 1519328aa08aSJohn Fastabend /* Test basic start/end */ 152016962b24SJohn Fastabend txmsg_start = 1; 152116962b24SJohn Fastabend txmsg_end = 2; 1522b98ca90cSJohn Fastabend test_send(opt, cgrp); 1523328aa08aSJohn Fastabend 1524328aa08aSJohn Fastabend /* Test >4k pull */ 1525328aa08aSJohn Fastabend txmsg_start = 4096; 1526328aa08aSJohn Fastabend txmsg_end = 9182; 1527b98ca90cSJohn Fastabend test_send_large(opt, cgrp); 1528328aa08aSJohn Fastabend 1529328aa08aSJohn Fastabend /* Test pull + redirect */ 1530328aa08aSJohn Fastabend txmsg_redir = 0; 1531328aa08aSJohn Fastabend txmsg_start = 1; 1532328aa08aSJohn Fastabend txmsg_end = 2; 1533b98ca90cSJohn Fastabend test_send(opt, cgrp); 1534328aa08aSJohn Fastabend 1535328aa08aSJohn Fastabend /* Test pull + cork */ 1536328aa08aSJohn Fastabend txmsg_redir = 0; 1537328aa08aSJohn Fastabend txmsg_cork = 512; 1538328aa08aSJohn Fastabend txmsg_start = 1; 1539328aa08aSJohn Fastabend txmsg_end = 2; 1540b98ca90cSJohn Fastabend test_send_many(opt, cgrp); 1541328aa08aSJohn Fastabend 1542328aa08aSJohn Fastabend /* Test pull + cork + redirect */ 1543328aa08aSJohn Fastabend txmsg_redir = 1; 1544328aa08aSJohn Fastabend txmsg_cork = 512; 1545328aa08aSJohn Fastabend txmsg_start = 1; 1546328aa08aSJohn Fastabend txmsg_end = 2; 1547b98ca90cSJohn Fastabend test_send_many(opt, cgrp); 1548328aa08aSJohn Fastabend } 1549328aa08aSJohn Fastabend 1550b98ca90cSJohn Fastabend static void test_txmsg_pop(int cgrp, struct sockmap_options *opt) 1551328aa08aSJohn Fastabend { 1552328aa08aSJohn Fastabend /* Test basic pop */ 1553328aa08aSJohn Fastabend txmsg_start_pop = 1; 1554328aa08aSJohn Fastabend txmsg_pop = 2; 1555b98ca90cSJohn Fastabend test_send_many(opt, cgrp); 1556328aa08aSJohn Fastabend 1557328aa08aSJohn Fastabend /* Test pop with >4k */ 1558328aa08aSJohn Fastabend txmsg_start_pop = 4096; 1559328aa08aSJohn Fastabend txmsg_pop = 4096; 1560b98ca90cSJohn Fastabend test_send_large(opt, cgrp); 1561328aa08aSJohn Fastabend 1562328aa08aSJohn Fastabend /* Test pop + redirect */ 1563328aa08aSJohn Fastabend txmsg_redir = 1; 1564328aa08aSJohn Fastabend txmsg_start_pop = 1; 1565328aa08aSJohn Fastabend txmsg_pop = 2; 1566b98ca90cSJohn Fastabend test_send_many(opt, cgrp); 1567328aa08aSJohn Fastabend 1568328aa08aSJohn Fastabend /* Test pop + cork */ 1569328aa08aSJohn Fastabend txmsg_redir = 0; 1570328aa08aSJohn Fastabend txmsg_cork = 512; 1571328aa08aSJohn Fastabend txmsg_start_pop = 1; 1572328aa08aSJohn Fastabend txmsg_pop = 2; 1573b98ca90cSJohn Fastabend test_send_many(opt, cgrp); 1574328aa08aSJohn Fastabend 1575328aa08aSJohn Fastabend /* Test pop + redirect + cork */ 1576328aa08aSJohn Fastabend txmsg_redir = 1; 1577328aa08aSJohn Fastabend txmsg_cork = 4; 1578328aa08aSJohn Fastabend txmsg_start_pop = 1; 1579328aa08aSJohn Fastabend txmsg_pop = 2; 1580b98ca90cSJohn Fastabend test_send_many(opt, cgrp); 1581328aa08aSJohn Fastabend } 1582328aa08aSJohn Fastabend 1583b98ca90cSJohn Fastabend static void test_txmsg_push(int cgrp, struct sockmap_options *opt) 1584328aa08aSJohn Fastabend { 1585328aa08aSJohn Fastabend /* Test basic push */ 1586328aa08aSJohn Fastabend txmsg_start_push = 1; 1587328aa08aSJohn Fastabend txmsg_end_push = 1; 1588b98ca90cSJohn Fastabend test_send(opt, cgrp); 1589328aa08aSJohn Fastabend 1590328aa08aSJohn Fastabend /* Test push 4kB >4k */ 1591328aa08aSJohn Fastabend txmsg_start_push = 4096; 1592328aa08aSJohn Fastabend txmsg_end_push = 4096; 1593b98ca90cSJohn Fastabend test_send_large(opt, cgrp); 1594328aa08aSJohn Fastabend 1595328aa08aSJohn Fastabend /* Test push + redirect */ 1596328aa08aSJohn Fastabend txmsg_redir = 1; 159784fbfe02SJohn Fastabend txmsg_start_push = 1; 159884fbfe02SJohn Fastabend txmsg_end_push = 2; 1599b98ca90cSJohn Fastabend test_send_many(opt, cgrp); 16001ade9abaSJohn Fastabend 1601328aa08aSJohn Fastabend /* Test push + cork */ 1602328aa08aSJohn Fastabend txmsg_redir = 0; 1603328aa08aSJohn Fastabend txmsg_cork = 512; 16041ade9abaSJohn Fastabend txmsg_start_push = 1; 1605328aa08aSJohn Fastabend txmsg_end_push = 2; 1606b98ca90cSJohn Fastabend test_send_many(opt, cgrp); 160716962b24SJohn Fastabend } 160816962b24SJohn Fastabend 1609b98ca90cSJohn Fastabend static void test_txmsg_push_pop(int cgrp, struct sockmap_options *opt) 1610328aa08aSJohn Fastabend { 1611328aa08aSJohn Fastabend txmsg_start_push = 1; 1612328aa08aSJohn Fastabend txmsg_end_push = 10; 1613328aa08aSJohn Fastabend txmsg_start_pop = 5; 1614328aa08aSJohn Fastabend txmsg_pop = 4; 1615b98ca90cSJohn Fastabend test_send_large(opt, cgrp); 161616962b24SJohn Fastabend } 161716962b24SJohn Fastabend 1618b98ca90cSJohn Fastabend static void test_txmsg_apply(int cgrp, struct sockmap_options *opt) 1619328aa08aSJohn Fastabend { 1620328aa08aSJohn Fastabend txmsg_pass = 1; 1621328aa08aSJohn Fastabend txmsg_redir = 0; 1622328aa08aSJohn Fastabend txmsg_apply = 1; 1623328aa08aSJohn Fastabend txmsg_cork = 0; 1624b98ca90cSJohn Fastabend test_send_one(opt, cgrp); 16251ade9abaSJohn Fastabend 1626328aa08aSJohn Fastabend txmsg_pass = 0; 1627328aa08aSJohn Fastabend txmsg_redir = 1; 1628328aa08aSJohn Fastabend txmsg_apply = 1; 1629328aa08aSJohn Fastabend txmsg_cork = 0; 1630b98ca90cSJohn Fastabend test_send_one(opt, cgrp); 163116962b24SJohn Fastabend 1632328aa08aSJohn Fastabend txmsg_pass = 1; 1633328aa08aSJohn Fastabend txmsg_redir = 0; 1634328aa08aSJohn Fastabend txmsg_apply = 1024; 1635328aa08aSJohn Fastabend txmsg_cork = 0; 1636b98ca90cSJohn Fastabend test_send_large(opt, cgrp); 16371ade9abaSJohn Fastabend 1638328aa08aSJohn Fastabend txmsg_pass = 0; 1639328aa08aSJohn Fastabend txmsg_redir = 1; 1640328aa08aSJohn Fastabend txmsg_apply = 1024; 1641328aa08aSJohn Fastabend txmsg_cork = 0; 1642b98ca90cSJohn Fastabend test_send_large(opt, cgrp); 1643328aa08aSJohn Fastabend } 164416962b24SJohn Fastabend 1645b98ca90cSJohn Fastabend static void test_txmsg_cork(int cgrp, struct sockmap_options *opt) 1646328aa08aSJohn Fastabend { 1647328aa08aSJohn Fastabend txmsg_pass = 1; 1648328aa08aSJohn Fastabend txmsg_redir = 0; 1649328aa08aSJohn Fastabend txmsg_apply = 0; 1650328aa08aSJohn Fastabend txmsg_cork = 1; 1651b98ca90cSJohn Fastabend test_send(opt, cgrp); 165216962b24SJohn Fastabend 1653328aa08aSJohn Fastabend txmsg_pass = 1; 1654328aa08aSJohn Fastabend txmsg_redir = 0; 1655328aa08aSJohn Fastabend txmsg_apply = 1; 1656328aa08aSJohn Fastabend txmsg_cork = 1; 1657b98ca90cSJohn Fastabend test_send(opt, cgrp); 165816962b24SJohn Fastabend } 165916962b24SJohn Fastabend 166053792fa4SJohn Fastabend static void test_txmsg_ingress_parser(int cgrp, struct sockmap_options *opt) 166153792fa4SJohn Fastabend { 166253792fa4SJohn Fastabend txmsg_pass = 1; 166353792fa4SJohn Fastabend skb_use_parser = 512; 166453792fa4SJohn Fastabend opt->iov_length = 256; 166553792fa4SJohn Fastabend opt->iov_count = 1; 166653792fa4SJohn Fastabend opt->rate = 2; 166753792fa4SJohn Fastabend test_exec(cgrp, opt); 166853792fa4SJohn Fastabend } 166953792fa4SJohn Fastabend 167016962b24SJohn Fastabend char *map_names[] = { 167116962b24SJohn Fastabend "sock_map", 167216962b24SJohn Fastabend "sock_map_txmsg", 167316962b24SJohn Fastabend "sock_map_redir", 167416962b24SJohn Fastabend "sock_apply_bytes", 167516962b24SJohn Fastabend "sock_cork_bytes", 167684fbfe02SJohn Fastabend "sock_bytes", 167716962b24SJohn Fastabend "sock_redir_flags", 167816962b24SJohn Fastabend "sock_skb_opts", 1679463bac5fSJohn Fastabend "tls_sock_map", 168016962b24SJohn Fastabend }; 168116962b24SJohn Fastabend 168216962b24SJohn Fastabend int prog_attach_type[] = { 168316962b24SJohn Fastabend BPF_SK_SKB_STREAM_PARSER, 168416962b24SJohn Fastabend BPF_SK_SKB_STREAM_VERDICT, 1685463bac5fSJohn Fastabend BPF_SK_SKB_STREAM_VERDICT, 168616962b24SJohn Fastabend BPF_CGROUP_SOCK_OPS, 168716962b24SJohn Fastabend BPF_SK_MSG_VERDICT, 168816962b24SJohn Fastabend BPF_SK_MSG_VERDICT, 168916962b24SJohn Fastabend BPF_SK_MSG_VERDICT, 169016962b24SJohn Fastabend BPF_SK_MSG_VERDICT, 169116962b24SJohn Fastabend BPF_SK_MSG_VERDICT, 169216962b24SJohn Fastabend BPF_SK_MSG_VERDICT, 169316962b24SJohn Fastabend BPF_SK_MSG_VERDICT, 169416962b24SJohn Fastabend }; 169516962b24SJohn Fastabend 169616962b24SJohn Fastabend int prog_type[] = { 169716962b24SJohn Fastabend BPF_PROG_TYPE_SK_SKB, 169816962b24SJohn Fastabend BPF_PROG_TYPE_SK_SKB, 1699463bac5fSJohn Fastabend BPF_PROG_TYPE_SK_SKB, 170016962b24SJohn Fastabend BPF_PROG_TYPE_SOCK_OPS, 170116962b24SJohn Fastabend BPF_PROG_TYPE_SK_MSG, 170216962b24SJohn Fastabend BPF_PROG_TYPE_SK_MSG, 170316962b24SJohn Fastabend BPF_PROG_TYPE_SK_MSG, 170416962b24SJohn Fastabend BPF_PROG_TYPE_SK_MSG, 170516962b24SJohn Fastabend BPF_PROG_TYPE_SK_MSG, 170616962b24SJohn Fastabend BPF_PROG_TYPE_SK_MSG, 170716962b24SJohn Fastabend BPF_PROG_TYPE_SK_MSG, 170816962b24SJohn Fastabend }; 170916962b24SJohn Fastabend 1710b8b394faSJohn Fastabend static int populate_progs(char *bpf_file) 171116962b24SJohn Fastabend { 171216962b24SJohn Fastabend struct bpf_program *prog; 171316962b24SJohn Fastabend struct bpf_object *obj; 171416962b24SJohn Fastabend int i = 0; 171516962b24SJohn Fastabend long err; 171616962b24SJohn Fastabend 171716962b24SJohn Fastabend obj = bpf_object__open(bpf_file); 171816962b24SJohn Fastabend err = libbpf_get_error(obj); 171916962b24SJohn Fastabend if (err) { 172016962b24SJohn Fastabend char err_buf[256]; 172116962b24SJohn Fastabend 172216962b24SJohn Fastabend libbpf_strerror(err, err_buf, sizeof(err_buf)); 172316962b24SJohn Fastabend printf("Unable to load eBPF objects in file '%s' : %s\n", 172416962b24SJohn Fastabend bpf_file, err_buf); 172516962b24SJohn Fastabend return -1; 172616962b24SJohn Fastabend } 172716962b24SJohn Fastabend 172816962b24SJohn Fastabend bpf_object__for_each_program(prog, obj) { 172916962b24SJohn Fastabend bpf_program__set_type(prog, prog_type[i]); 173016962b24SJohn Fastabend bpf_program__set_expected_attach_type(prog, 173116962b24SJohn Fastabend prog_attach_type[i]); 173216962b24SJohn Fastabend i++; 173316962b24SJohn Fastabend } 173416962b24SJohn Fastabend 173516962b24SJohn Fastabend i = bpf_object__load(obj); 173616962b24SJohn Fastabend i = 0; 173716962b24SJohn Fastabend bpf_object__for_each_program(prog, obj) { 173816962b24SJohn Fastabend prog_fd[i] = bpf_program__fd(prog); 173916962b24SJohn Fastabend i++; 174016962b24SJohn Fastabend } 174116962b24SJohn Fastabend 174216962b24SJohn Fastabend for (i = 0; i < sizeof(map_fd)/sizeof(int); i++) { 174316962b24SJohn Fastabend maps[i] = bpf_object__find_map_by_name(obj, map_names[i]); 174416962b24SJohn Fastabend map_fd[i] = bpf_map__fd(maps[i]); 174516962b24SJohn Fastabend if (map_fd[i] < 0) { 174616962b24SJohn Fastabend fprintf(stderr, "load_bpf_file: (%i) %s\n", 174716962b24SJohn Fastabend map_fd[i], strerror(errno)); 174816962b24SJohn Fastabend return -1; 174916962b24SJohn Fastabend } 175016962b24SJohn Fastabend } 175116962b24SJohn Fastabend 175216962b24SJohn Fastabend return 0; 175316962b24SJohn Fastabend } 175416962b24SJohn Fastabend 1755328aa08aSJohn Fastabend struct _test test[] = { 1756328aa08aSJohn Fastabend {"txmsg test passthrough", test_txmsg_pass}, 1757328aa08aSJohn Fastabend {"txmsg test redirect", test_txmsg_redir}, 1758328aa08aSJohn Fastabend {"txmsg test drop", test_txmsg_drop}, 1759328aa08aSJohn Fastabend {"txmsg test ingress redirect", test_txmsg_ingress_redir}, 1760463bac5fSJohn Fastabend {"txmsg test skb", test_txmsg_skb}, 1761328aa08aSJohn Fastabend {"txmsg test apply", test_txmsg_apply}, 1762328aa08aSJohn Fastabend {"txmsg test cork", test_txmsg_cork}, 1763328aa08aSJohn Fastabend {"txmsg test hanging corks", test_txmsg_cork_hangs}, 1764328aa08aSJohn Fastabend {"txmsg test push_data", test_txmsg_push}, 1765328aa08aSJohn Fastabend {"txmsg test pull-data", test_txmsg_pull}, 1766328aa08aSJohn Fastabend {"txmsg test pop-data", test_txmsg_pop}, 1767328aa08aSJohn Fastabend {"txmsg test push/pop data", test_txmsg_push_pop}, 176853792fa4SJohn Fastabend {"txmsg text ingress parser", test_txmsg_ingress_parser}, 1769328aa08aSJohn Fastabend }; 1770328aa08aSJohn Fastabend 1771065a74cbSJohn Fastabend static int check_whitelist(struct _test *t, struct sockmap_options *opt) 1772065a74cbSJohn Fastabend { 1773065a74cbSJohn Fastabend char *entry, *ptr; 1774065a74cbSJohn Fastabend 1775065a74cbSJohn Fastabend if (!opt->whitelist) 1776065a74cbSJohn Fastabend return 0; 1777065a74cbSJohn Fastabend ptr = strdup(opt->whitelist); 1778065a74cbSJohn Fastabend if (!ptr) 1779065a74cbSJohn Fastabend return -ENOMEM; 1780065a74cbSJohn Fastabend entry = strtok(ptr, ","); 1781065a74cbSJohn Fastabend while (entry) { 178296586dd9SJohn Fastabend if ((opt->prepend && strstr(opt->prepend, entry) != 0) || 178396586dd9SJohn Fastabend strstr(opt->map, entry) != 0 || 178496586dd9SJohn Fastabend strstr(t->title, entry) != 0) 1785065a74cbSJohn Fastabend return 0; 1786065a74cbSJohn Fastabend entry = strtok(NULL, ","); 1787065a74cbSJohn Fastabend } 1788065a74cbSJohn Fastabend return -EINVAL; 1789065a74cbSJohn Fastabend } 1790065a74cbSJohn Fastabend 1791a7238f7cSJohn Fastabend static int check_blacklist(struct _test *t, struct sockmap_options *opt) 1792a7238f7cSJohn Fastabend { 1793a7238f7cSJohn Fastabend char *entry, *ptr; 1794a7238f7cSJohn Fastabend 1795a7238f7cSJohn Fastabend if (!opt->blacklist) 1796a7238f7cSJohn Fastabend return -EINVAL; 1797a7238f7cSJohn Fastabend ptr = strdup(opt->blacklist); 1798a7238f7cSJohn Fastabend if (!ptr) 1799a7238f7cSJohn Fastabend return -ENOMEM; 1800a7238f7cSJohn Fastabend entry = strtok(ptr, ","); 1801a7238f7cSJohn Fastabend while (entry) { 180296586dd9SJohn Fastabend if ((opt->prepend && strstr(opt->prepend, entry) != 0) || 180396586dd9SJohn Fastabend strstr(opt->map, entry) != 0 || 180496586dd9SJohn Fastabend strstr(t->title, entry) != 0) 1805a7238f7cSJohn Fastabend return 0; 1806a7238f7cSJohn Fastabend entry = strtok(NULL, ","); 1807a7238f7cSJohn Fastabend } 1808a7238f7cSJohn Fastabend return -EINVAL; 1809a7238f7cSJohn Fastabend } 1810a7238f7cSJohn Fastabend 1811b98ca90cSJohn Fastabend static int __test_selftests(int cg_fd, struct sockmap_options *opt) 1812328aa08aSJohn Fastabend { 1813328aa08aSJohn Fastabend int i, err; 1814328aa08aSJohn Fastabend 1815b98ca90cSJohn Fastabend err = populate_progs(opt->map); 181616962b24SJohn Fastabend if (err < 0) { 181716962b24SJohn Fastabend fprintf(stderr, "ERROR: (%i) load bpf failed\n", err); 181816962b24SJohn Fastabend return err; 181916962b24SJohn Fastabend } 182016962b24SJohn Fastabend 1821328aa08aSJohn Fastabend /* Tests basic commands and APIs */ 1822328aa08aSJohn Fastabend for (i = 0; i < sizeof(test)/sizeof(struct _test); i++) { 1823328aa08aSJohn Fastabend struct _test t = test[i]; 1824328aa08aSJohn Fastabend 1825a7238f7cSJohn Fastabend if (check_whitelist(&t, opt) != 0) 1826a7238f7cSJohn Fastabend continue; 1827a7238f7cSJohn Fastabend if (check_blacklist(&t, opt) == 0) 1828065a74cbSJohn Fastabend continue; 1829065a74cbSJohn Fastabend 183096586dd9SJohn Fastabend test_start_subtest(&t, opt); 1831b98ca90cSJohn Fastabend t.tester(cg_fd, opt); 1832328aa08aSJohn Fastabend test_end_subtest(); 1833328aa08aSJohn Fastabend } 1834328aa08aSJohn Fastabend 1835328aa08aSJohn Fastabend return err; 1836328aa08aSJohn Fastabend } 1837328aa08aSJohn Fastabend 1838b98ca90cSJohn Fastabend static void test_selftests_sockmap(int cg_fd, struct sockmap_options *opt) 1839328aa08aSJohn Fastabend { 1840b98ca90cSJohn Fastabend opt->map = BPF_SOCKMAP_FILENAME; 1841b98ca90cSJohn Fastabend __test_selftests(cg_fd, opt); 1842328aa08aSJohn Fastabend } 1843328aa08aSJohn Fastabend 1844b98ca90cSJohn Fastabend static void test_selftests_sockhash(int cg_fd, struct sockmap_options *opt) 1845328aa08aSJohn Fastabend { 1846b98ca90cSJohn Fastabend opt->map = BPF_SOCKHASH_FILENAME; 1847b98ca90cSJohn Fastabend __test_selftests(cg_fd, opt); 1848328aa08aSJohn Fastabend } 1849328aa08aSJohn Fastabend 185096586dd9SJohn Fastabend static void test_selftests_ktls(int cg_fd, struct sockmap_options *opt) 185196586dd9SJohn Fastabend { 185296586dd9SJohn Fastabend opt->map = BPF_SOCKHASH_FILENAME; 185396586dd9SJohn Fastabend opt->prepend = "ktls"; 185496586dd9SJohn Fastabend ktls = 1; 185596586dd9SJohn Fastabend __test_selftests(cg_fd, opt); 185696586dd9SJohn Fastabend ktls = 0; 185796586dd9SJohn Fastabend } 185896586dd9SJohn Fastabend 1859b98ca90cSJohn Fastabend static int test_selftest(int cg_fd, struct sockmap_options *opt) 1860328aa08aSJohn Fastabend { 186116962b24SJohn Fastabend 1862b98ca90cSJohn Fastabend test_selftests_sockmap(cg_fd, opt); 1863b98ca90cSJohn Fastabend test_selftests_sockhash(cg_fd, opt); 186496586dd9SJohn Fastabend test_selftests_ktls(cg_fd, opt); 1865328aa08aSJohn Fastabend test_print_results(); 1866328aa08aSJohn Fastabend return 0; 1867b8b394faSJohn Fastabend } 1868b8b394faSJohn Fastabend 186916962b24SJohn Fastabend int main(int argc, char **argv) 187016962b24SJohn Fastabend { 187116962b24SJohn Fastabend int iov_count = 1, length = 1024, rate = 1; 187216962b24SJohn Fastabend struct sockmap_options options = {0}; 187316962b24SJohn Fastabend int opt, longindex, err, cg_fd = 0; 1874b8b394faSJohn Fastabend char *bpf_file = BPF_SOCKMAP_FILENAME; 1875b98ca90cSJohn Fastabend int test = SELFTESTS; 187613a5f3ffSJohn Fastabend bool cg_created = 0; 187716962b24SJohn Fastabend 1878a7238f7cSJohn Fastabend while ((opt = getopt_long(argc, argv, ":dhv:c:r:i:l:t:p:q:n:b:", 187916962b24SJohn Fastabend long_options, &longindex)) != -1) { 188016962b24SJohn Fastabend switch (opt) { 188116962b24SJohn Fastabend case 's': 188216962b24SJohn Fastabend txmsg_start = atoi(optarg); 188316962b24SJohn Fastabend break; 188416962b24SJohn Fastabend case 'e': 188516962b24SJohn Fastabend txmsg_end = atoi(optarg); 188616962b24SJohn Fastabend break; 188784fbfe02SJohn Fastabend case 'p': 188884fbfe02SJohn Fastabend txmsg_start_push = atoi(optarg); 188984fbfe02SJohn Fastabend break; 189084fbfe02SJohn Fastabend case 'q': 189184fbfe02SJohn Fastabend txmsg_end_push = atoi(optarg); 189284fbfe02SJohn Fastabend break; 18931ade9abaSJohn Fastabend case 'w': 18941ade9abaSJohn Fastabend txmsg_start_pop = atoi(optarg); 18951ade9abaSJohn Fastabend break; 18961ade9abaSJohn Fastabend case 'x': 18971ade9abaSJohn Fastabend txmsg_pop = atoi(optarg); 18981ade9abaSJohn Fastabend break; 189916962b24SJohn Fastabend case 'a': 190016962b24SJohn Fastabend txmsg_apply = atoi(optarg); 190116962b24SJohn Fastabend break; 190216962b24SJohn Fastabend case 'k': 190316962b24SJohn Fastabend txmsg_cork = atoi(optarg); 190416962b24SJohn Fastabend break; 190516962b24SJohn Fastabend case 'c': 190616962b24SJohn Fastabend cg_fd = open(optarg, O_DIRECTORY, O_RDONLY); 190716962b24SJohn Fastabend if (cg_fd < 0) { 190816962b24SJohn Fastabend fprintf(stderr, 190916962b24SJohn Fastabend "ERROR: (%i) open cg path failed: %s\n", 191016962b24SJohn Fastabend cg_fd, optarg); 191116962b24SJohn Fastabend return cg_fd; 191216962b24SJohn Fastabend } 191316962b24SJohn Fastabend break; 191416962b24SJohn Fastabend case 'r': 191516962b24SJohn Fastabend rate = atoi(optarg); 191616962b24SJohn Fastabend break; 191716962b24SJohn Fastabend case 'v': 191816962b24SJohn Fastabend options.verbose = 1; 1919b98ca90cSJohn Fastabend if (optarg) 1920b98ca90cSJohn Fastabend options.verbose = atoi(optarg); 192116962b24SJohn Fastabend break; 192216962b24SJohn Fastabend case 'i': 192316962b24SJohn Fastabend iov_count = atoi(optarg); 192416962b24SJohn Fastabend break; 192516962b24SJohn Fastabend case 'l': 192616962b24SJohn Fastabend length = atoi(optarg); 192716962b24SJohn Fastabend break; 192816962b24SJohn Fastabend case 'd': 192916962b24SJohn Fastabend options.data_test = true; 193016962b24SJohn Fastabend break; 193116962b24SJohn Fastabend case 't': 193216962b24SJohn Fastabend if (strcmp(optarg, "ping") == 0) { 193316962b24SJohn Fastabend test = PING_PONG; 193416962b24SJohn Fastabend } else if (strcmp(optarg, "sendmsg") == 0) { 193516962b24SJohn Fastabend test = SENDMSG; 193616962b24SJohn Fastabend } else if (strcmp(optarg, "base") == 0) { 193716962b24SJohn Fastabend test = BASE; 193816962b24SJohn Fastabend } else if (strcmp(optarg, "base_sendpage") == 0) { 193916962b24SJohn Fastabend test = BASE_SENDPAGE; 194016962b24SJohn Fastabend } else if (strcmp(optarg, "sendpage") == 0) { 194116962b24SJohn Fastabend test = SENDPAGE; 194216962b24SJohn Fastabend } else { 194316962b24SJohn Fastabend usage(argv); 194416962b24SJohn Fastabend return -1; 194516962b24SJohn Fastabend } 194616962b24SJohn Fastabend break; 1947065a74cbSJohn Fastabend case 'n': 1948065a74cbSJohn Fastabend options.whitelist = strdup(optarg); 1949065a74cbSJohn Fastabend if (!options.whitelist) 1950065a74cbSJohn Fastabend return -ENOMEM; 1951a7238f7cSJohn Fastabend break; 1952a7238f7cSJohn Fastabend case 'b': 1953a7238f7cSJohn Fastabend options.blacklist = strdup(optarg); 1954a7238f7cSJohn Fastabend if (!options.blacklist) 1955a7238f7cSJohn Fastabend return -ENOMEM; 195616962b24SJohn Fastabend case 0: 195716962b24SJohn Fastabend break; 195816962b24SJohn Fastabend case 'h': 195916962b24SJohn Fastabend default: 196016962b24SJohn Fastabend usage(argv); 196116962b24SJohn Fastabend return -1; 196216962b24SJohn Fastabend } 196316962b24SJohn Fastabend } 196416962b24SJohn Fastabend 196516962b24SJohn Fastabend if (!cg_fd) { 196613a5f3ffSJohn Fastabend if (setup_cgroup_environment()) { 196713a5f3ffSJohn Fastabend fprintf(stderr, "ERROR: cgroup env failed\n"); 196813a5f3ffSJohn Fastabend return -EINVAL; 196913a5f3ffSJohn Fastabend } 197013a5f3ffSJohn Fastabend 197113a5f3ffSJohn Fastabend cg_fd = create_and_get_cgroup(CG_PATH); 197213a5f3ffSJohn Fastabend if (cg_fd < 0) { 197313a5f3ffSJohn Fastabend fprintf(stderr, 197413a5f3ffSJohn Fastabend "ERROR: (%i) open cg path failed: %s\n", 197513a5f3ffSJohn Fastabend cg_fd, strerror(errno)); 197613a5f3ffSJohn Fastabend return cg_fd; 197713a5f3ffSJohn Fastabend } 197813a5f3ffSJohn Fastabend 197913a5f3ffSJohn Fastabend if (join_cgroup(CG_PATH)) { 198013a5f3ffSJohn Fastabend fprintf(stderr, "ERROR: failed to join cgroup\n"); 198113a5f3ffSJohn Fastabend return -EINVAL; 198213a5f3ffSJohn Fastabend } 198313a5f3ffSJohn Fastabend cg_created = 1; 198416962b24SJohn Fastabend } 198516962b24SJohn Fastabend 1986b98ca90cSJohn Fastabend if (test == SELFTESTS) { 1987b98ca90cSJohn Fastabend err = test_selftest(cg_fd, &options); 1988b98ca90cSJohn Fastabend goto out; 1989b98ca90cSJohn Fastabend } 1990b98ca90cSJohn Fastabend 1991b8b394faSJohn Fastabend err = populate_progs(bpf_file); 199216962b24SJohn Fastabend if (err) { 199316962b24SJohn Fastabend fprintf(stderr, "populate program: (%s) %s\n", 199416962b24SJohn Fastabend bpf_file, strerror(errno)); 199516962b24SJohn Fastabend return 1; 199616962b24SJohn Fastabend } 199716962b24SJohn Fastabend running = 1; 199816962b24SJohn Fastabend 199916962b24SJohn Fastabend /* catch SIGINT */ 200016962b24SJohn Fastabend signal(SIGINT, running_handler); 200116962b24SJohn Fastabend 200216962b24SJohn Fastabend options.iov_count = iov_count; 200316962b24SJohn Fastabend options.iov_length = length; 200416962b24SJohn Fastabend options.rate = rate; 200516962b24SJohn Fastabend 200616962b24SJohn Fastabend err = run_options(&options, cg_fd, test); 2007b98ca90cSJohn Fastabend out: 2008065a74cbSJohn Fastabend if (options.whitelist) 2009065a74cbSJohn Fastabend free(options.whitelist); 2010a7238f7cSJohn Fastabend if (options.blacklist) 2011a7238f7cSJohn Fastabend free(options.blacklist); 201213a5f3ffSJohn Fastabend if (cg_created) 201313a5f3ffSJohn Fastabend cleanup_cgroup_environment(); 201416962b24SJohn Fastabend close(cg_fd); 201516962b24SJohn Fastabend return err; 201616962b24SJohn Fastabend } 201716962b24SJohn Fastabend 201816962b24SJohn Fastabend void running_handler(int a) 201916962b24SJohn Fastabend { 202016962b24SJohn Fastabend running = 0; 202116962b24SJohn Fastabend } 2022