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-rw-r--r--samples/sockmap/sockmap_user.c563
1 files changed, 512 insertions, 51 deletions
diff --git a/samples/sockmap/sockmap_user.c b/samples/sockmap/sockmap_user.c
index 649f06a5bfd2..22595b43ecc5 100644
--- a/samples/sockmap/sockmap_user.c
+++ b/samples/sockmap/sockmap_user.c
@@ -25,6 +25,7 @@
#include <fcntl.h>
#include <sys/wait.h>
#include <time.h>
+#include <sched.h>
#include <sys/time.h>
#include <sys/resource.h>
@@ -53,9 +54,11 @@ void running_handler(int a);
#define S2_PORT 10001
#define BPF_FILENAME "sockmap_kern.o"
+#define BPF_CGRP "/mnt/cgroup2/"
/* global sockets */
int s1, s2, c1, c2, p1, p2;
+int test_cnt;
int txmsg_pass;
int txmsg_noisy;
@@ -109,7 +112,7 @@ static void usage(char *argv[])
printf("\n");
}
-static int sockmap_init_sockets(void)
+static int sockmap_init_sockets(int verbose)
{
int i, err, one = 1;
struct sockaddr_in addr;
@@ -209,9 +212,11 @@ static int sockmap_init_sockets(void)
return errno;
}
- printf("connected sockets: c1 <-> p1, c2 <-> p2\n");
- printf("cgroups binding: c1(%i) <-> s1(%i) - - - c2(%i) <-> s2(%i)\n",
- c1, s1, c2, s2);
+ if (verbose) {
+ printf("connected sockets: c1 <-> p1, c2 <-> p2\n");
+ printf("cgroups binding: c1(%i) <-> s1(%i) - - - c2(%i) <-> s2(%i)\n",
+ c1, s1, c2, s2);
+ }
return 0;
}
@@ -329,10 +334,12 @@ static int msg_loop(int fd, int iov_count, int iov_length, int cnt,
clock_gettime(CLOCK_MONOTONIC, &s->end);
} else {
int slct, recv, max_fd = fd;
+ int fd_flags = O_NONBLOCK;
struct timeval timeout;
float total_bytes;
fd_set w;
+ fcntl(fd, fd_flags);
total_bytes = (float)iov_count * (float)iov_length * (float)cnt;
err = clock_gettime(CLOCK_MONOTONIC, &s->start);
if (err < 0)
@@ -351,7 +358,8 @@ static int msg_loop(int fd, int iov_count, int iov_length, int cnt,
clock_gettime(CLOCK_MONOTONIC, &s->end);
goto out_errno;
} else if (!slct) {
- fprintf(stderr, "unexpected timeout\n");
+ if (opt->verbose)
+ fprintf(stderr, "unexpected timeout\n");
errno = -EIO;
clock_gettime(CLOCK_MONOTONIC, &s->end);
goto out_errno;
@@ -440,7 +448,7 @@ static int sendmsg_test(struct sockmap_options *opt)
iov_count = 1;
err = msg_loop(rx_fd, iov_count, iov_buf,
cnt, &s, false, opt);
- if (err)
+ if (err && opt->verbose)
fprintf(stderr,
"msg_loop_rx: iov_count %i iov_buf %i cnt %i err %i\n",
iov_count, iov_buf, cnt, err);
@@ -450,10 +458,11 @@ static int sendmsg_test(struct sockmap_options *opt)
sent_Bps = sentBps(s);
recvd_Bps = recvdBps(s);
}
- fprintf(stdout,
- "rx_sendmsg: TX: %zuB %fB/s %fGB/s RX: %zuB %fB/s %fGB/s\n",
- s.bytes_sent, sent_Bps, sent_Bps/giga,
- s.bytes_recvd, recvd_Bps, recvd_Bps/giga);
+ if (opt->verbose)
+ fprintf(stdout,
+ "rx_sendmsg: TX: %zuB %fB/s %fGB/s RX: %zuB %fB/s %fGB/s\n",
+ s.bytes_sent, sent_Bps, sent_Bps/giga,
+ s.bytes_recvd, recvd_Bps, recvd_Bps/giga);
exit(1);
} else if (rxpid == -1) {
perror("msg_loop_rx: ");
@@ -477,10 +486,11 @@ static int sendmsg_test(struct sockmap_options *opt)
sent_Bps = sentBps(s);
recvd_Bps = recvdBps(s);
}
- fprintf(stdout,
- "tx_sendmsg: TX: %zuB %fB/s %f GB/s RX: %zuB %fB/s %fGB/s\n",
- s.bytes_sent, sent_Bps, sent_Bps/giga,
- s.bytes_recvd, recvd_Bps, recvd_Bps/giga);
+ if (opt->verbose)
+ fprintf(stdout,
+ "tx_sendmsg: TX: %zuB %fB/s %f GB/s RX: %zuB %fB/s %fGB/s\n",
+ s.bytes_sent, sent_Bps, sent_Bps/giga,
+ s.bytes_recvd, recvd_Bps, recvd_Bps/giga);
exit(1);
} else if (txpid == -1) {
perror("msg_loop_tx: ");
@@ -575,17 +585,9 @@ enum {
SENDPAGE,
};
-static int run_options(struct sockmap_options options, int cg_fd, int test)
+static int run_options(struct sockmap_options *options, int cg_fd, int test)
{
- char *bpf_file = BPF_FILENAME;
- int err, tx_prog_fd;
- char filename[256];
-
- if (load_bpf_file(bpf_file)) {
- fprintf(stderr, "load_bpf_file: (%s) %s\n",
- filename, strerror(errno));
- return 1;
- }
+ int i, key, next_key, err, tx_prog_fd = -1, zero = 0;
/* If base test skip BPF setup */
if (test == BASE || test == BASE_SENDPAGE)
@@ -617,7 +619,7 @@ static int run_options(struct sockmap_options options, int cg_fd, int test)
}
run:
- err = sockmap_init_sockets();
+ err = sockmap_init_sockets(options->verbose);
if (err) {
fprintf(stderr, "ERROR: test socket failed: %d\n", err);
goto out;
@@ -651,7 +653,7 @@ run:
fprintf(stderr,
"ERROR: bpf_prog_attach (txmsg): %d (%s)\n",
err, strerror(errno));
- return err;
+ goto out;
}
err = bpf_map_update_elem(map_fd[1], &i, &c1, BPF_ANY);
@@ -659,7 +661,7 @@ run:
fprintf(stderr,
"ERROR: bpf_map_update_elem (txmsg): %d (%s\n",
err, strerror(errno));
- return err;
+ goto out;
}
if (txmsg_redir || txmsg_redir_noisy)
@@ -672,7 +674,7 @@ run:
fprintf(stderr,
"ERROR: bpf_map_update_elem (txmsg): %d (%s\n",
err, strerror(errno));
- return err;
+ goto out;
}
if (txmsg_apply) {
@@ -682,7 +684,7 @@ run:
fprintf(stderr,
"ERROR: bpf_map_update_elem (apply_bytes): %d (%s\n",
err, strerror(errno));
- return err;
+ goto out;
}
}
@@ -693,7 +695,7 @@ run:
fprintf(stderr,
"ERROR: bpf_map_update_elem (cork_bytes): %d (%s\n",
err, strerror(errno));
- return err;
+ goto out;
}
}
@@ -704,7 +706,7 @@ run:
fprintf(stderr,
"ERROR: bpf_map_update_elem (txmsg_start): %d (%s)\n",
err, strerror(errno));
- return err;
+ goto out;
}
}
@@ -716,7 +718,7 @@ run:
fprintf(stderr,
"ERROR: bpf_map_update_elem (txmsg_end): %d (%s)\n",
err, strerror(errno));
- return err;
+ goto out;
}
}
@@ -776,36 +778,484 @@ run:
}
if (txmsg_drop)
- options.drop_expected = true;
+ options->drop_expected = true;
if (test == PING_PONG)
- err = forever_ping_pong(options.rate, &options);
+ err = forever_ping_pong(options->rate, options);
else if (test == SENDMSG) {
- options.base = false;
- options.sendpage = false;
- err = sendmsg_test(&options);
+ options->base = false;
+ options->sendpage = false;
+ err = sendmsg_test(options);
} else if (test == SENDPAGE) {
- options.base = false;
- options.sendpage = true;
- err = sendmsg_test(&options);
+ options->base = false;
+ options->sendpage = true;
+ err = sendmsg_test(options);
} else if (test == BASE) {
- options.base = true;
- options.sendpage = false;
- err = sendmsg_test(&options);
+ options->base = true;
+ options->sendpage = false;
+ err = sendmsg_test(options);
} else if (test == BASE_SENDPAGE) {
- options.base = true;
- options.sendpage = true;
- err = sendmsg_test(&options);
+ options->base = true;
+ options->sendpage = true;
+ err = sendmsg_test(options);
} else
fprintf(stderr, "unknown test\n");
out:
+ /* Detatch and zero all the maps */
bpf_prog_detach2(prog_fd[2], cg_fd, BPF_CGROUP_SOCK_OPS);
+ bpf_prog_detach2(prog_fd[0], map_fd[0], BPF_SK_SKB_STREAM_PARSER);
+ bpf_prog_detach2(prog_fd[1], map_fd[0], BPF_SK_SKB_STREAM_VERDICT);
+ if (tx_prog_fd >= 0)
+ bpf_prog_detach2(tx_prog_fd, map_fd[1], BPF_SK_MSG_VERDICT);
+
+ for (i = 0; i < 8; i++) {
+ key = next_key = 0;
+ bpf_map_update_elem(map_fd[i], &key, &zero, BPF_ANY);
+ while (bpf_map_get_next_key(map_fd[i], &key, &next_key) == 0) {
+ bpf_map_update_elem(map_fd[i], &key, &zero, BPF_ANY);
+ key = next_key;
+ }
+ }
+
close(s1);
close(s2);
close(p1);
close(p2);
close(c1);
close(c2);
+ return err;
+}
+
+static char *test_to_str(int test)
+{
+ switch (test) {
+ case SENDMSG:
+ return "sendmsg";
+ case SENDPAGE:
+ return "sendpage";
+ }
+ return "unknown";
+}
+
+#define OPTSTRING 60
+static void test_options(char *options)
+{
+ memset(options, 0, OPTSTRING);
+
+ if (txmsg_pass)
+ strncat(options, "pass,", OPTSTRING);
+ if (txmsg_noisy)
+ strncat(options, "pass_noisy,", OPTSTRING);
+ if (txmsg_redir)
+ strncat(options, "redir,", OPTSTRING);
+ if (txmsg_redir_noisy)
+ strncat(options, "redir_noisy,", OPTSTRING);
+ if (txmsg_drop)
+ strncat(options, "drop,", OPTSTRING);
+ if (txmsg_apply)
+ strncat(options, "apply,", OPTSTRING);
+ if (txmsg_cork)
+ strncat(options, "cork,", OPTSTRING);
+ if (txmsg_start)
+ strncat(options, "start,", OPTSTRING);
+ if (txmsg_end)
+ strncat(options, "end,", OPTSTRING);
+ if (txmsg_ingress)
+ strncat(options, "ingress,", OPTSTRING);
+ if (txmsg_skb)
+ strncat(options, "skb,", OPTSTRING);
+}
+
+static int __test_exec(int cgrp, int test, struct sockmap_options *opt)
+{
+ char *options = calloc(60, sizeof(char));
+ int err;
+
+ if (test == SENDPAGE)
+ opt->sendpage = true;
+ else
+ opt->sendpage = false;
+
+ if (txmsg_drop)
+ opt->drop_expected = true;
+ else
+ opt->drop_expected = false;
+
+ test_options(options);
+
+ fprintf(stdout,
+ "[TEST %i]: (%i, %i, %i, %s, %s): ",
+ test_cnt, opt->rate, opt->iov_count, opt->iov_length,
+ test_to_str(test), options);
+ fflush(stdout);
+ err = run_options(opt, cgrp, test);
+ fprintf(stdout, "%s\n", !err ? "PASS" : "FAILED");
+ test_cnt++;
+ free(options);
+ return err;
+}
+
+static int test_exec(int cgrp, struct sockmap_options *opt)
+{
+ int err = __test_exec(cgrp, SENDMSG, opt);
+
+ sched_yield();
+ if (err)
+ goto out;
+
+ err = __test_exec(cgrp, SENDPAGE, opt);
+ sched_yield();
+out:
+ return err;
+}
+
+static int test_loop(int cgrp)
+{
+ struct sockmap_options opt;
+
+ int err, i, l, r;
+
+ opt.verbose = 0;
+ opt.base = false;
+ opt.sendpage = false;
+ opt.data_test = false;
+ opt.drop_expected = false;
+ opt.iov_count = 0;
+ opt.iov_length = 0;
+ opt.rate = 0;
+
+ for (r = 1; r < 100; r += 33) {
+ for (i = 1; i < 100; i += 33) {
+ for (l = 1; l < 100; l += 33) {
+ opt.rate = r;
+ opt.iov_count = i;
+ opt.iov_length = l;
+ err = test_exec(cgrp, &opt);
+ if (err)
+ goto out;
+ }
+ }
+ }
+
+out:
+ return err;
+}
+
+static int test_txmsg(int cgrp)
+{
+ int err;
+
+ txmsg_pass = txmsg_noisy = txmsg_redir_noisy = txmsg_drop = 0;
+ txmsg_apply = txmsg_cork = 0;
+ txmsg_ingress = txmsg_skb = 0;
+
+ txmsg_pass = 1;
+ err = test_loop(cgrp);
+ txmsg_pass = 0;
+ if (err)
+ goto out;
+
+ txmsg_redir = 1;
+ err = test_loop(cgrp);
+ txmsg_redir = 0;
+ if (err)
+ goto out;
+
+ txmsg_drop = 1;
+ err = test_loop(cgrp);
+ txmsg_drop = 0;
+ if (err)
+ goto out;
+
+ txmsg_redir = 1;
+ txmsg_ingress = 1;
+ err = test_loop(cgrp);
+ txmsg_redir = 0;
+ txmsg_ingress = 0;
+ if (err)
+ goto out;
+out:
+ txmsg_pass = 0;
+ txmsg_redir = 0;
+ txmsg_drop = 0;
+ return err;
+}
+
+static int test_send(struct sockmap_options *opt, int cgrp)
+{
+ int err;
+
+ opt->iov_length = 1;
+ opt->iov_count = 1;
+ opt->rate = 1;
+ err = test_exec(cgrp, opt);
+ if (err)
+ goto out;
+
+ opt->iov_length = 1;
+ opt->iov_count = 1024;
+ opt->rate = 1;
+ err = test_exec(cgrp, opt);
+ if (err)
+ goto out;
+
+ opt->iov_length = 1024;
+ opt->iov_count = 1;
+ opt->rate = 1;
+ err = test_exec(cgrp, opt);
+ if (err)
+ goto out;
+
+ opt->iov_length = 1;
+ opt->iov_count = 1;
+ opt->rate = 1024;
+ err = test_exec(cgrp, opt);
+ if (err)
+ goto out;
+
+ opt->iov_length = 256;
+ opt->iov_count = 1024;
+ opt->rate = 10;
+ err = test_exec(cgrp, opt);
+ if (err)
+ goto out;
+
+ opt->rate = 100;
+ opt->iov_count = 1;
+ opt->iov_length = 5;
+ err = test_exec(cgrp, opt);
+ if (err)
+ goto out;
+out:
+ return err;
+}
+
+static int test_mixed(int cgrp)
+{
+ struct sockmap_options opt = {0};
+ int err;
+
+ txmsg_pass = txmsg_noisy = txmsg_redir_noisy = txmsg_drop = 0;
+ txmsg_apply = txmsg_cork = 0;
+ txmsg_start = txmsg_end = 0;
+ /* Test small and large iov_count values with pass/redir/apply/cork */
+ txmsg_pass = 1;
+ txmsg_redir = 0;
+ txmsg_apply = 1;
+ txmsg_cork = 0;
+ err = test_send(&opt, cgrp);
+ if (err)
+ goto out;
+
+ txmsg_pass = 1;
+ txmsg_redir = 0;
+ txmsg_apply = 0;
+ txmsg_cork = 1;
+ err = test_send(&opt, cgrp);
+ if (err)
+ goto out;
+
+ txmsg_pass = 1;
+ txmsg_redir = 0;
+ txmsg_apply = 1;
+ txmsg_cork = 1;
+ err = test_send(&opt, cgrp);
+ if (err)
+ goto out;
+
+ txmsg_pass = 1;
+ txmsg_redir = 0;
+ txmsg_apply = 1024;
+ txmsg_cork = 0;
+ err = test_send(&opt, cgrp);
+ if (err)
+ goto out;
+
+ txmsg_pass = 1;
+ txmsg_redir = 0;
+ txmsg_apply = 0;
+ txmsg_cork = 1024;
+ err = test_send(&opt, cgrp);
+ if (err)
+ goto out;
+
+ txmsg_pass = 1;
+ txmsg_redir = 0;
+ txmsg_apply = 1024;
+ txmsg_cork = 1024;
+ err = test_send(&opt, cgrp);
+ if (err)
+ goto out;
+
+ txmsg_pass = 1;
+ txmsg_redir = 0;
+ txmsg_cork = 4096;
+ txmsg_apply = 4096;
+ err = test_send(&opt, cgrp);
+ if (err)
+ goto out;
+
+ txmsg_pass = 0;
+ txmsg_redir = 1;
+ txmsg_apply = 1;
+ txmsg_cork = 0;
+ err = test_send(&opt, cgrp);
+ if (err)
+ goto out;
+
+ txmsg_pass = 0;
+ txmsg_redir = 1;
+ txmsg_apply = 0;
+ txmsg_cork = 1;
+ err = test_send(&opt, cgrp);
+ if (err)
+ goto out;
+
+ txmsg_pass = 0;
+ txmsg_redir = 1;
+ txmsg_apply = 1024;
+ txmsg_cork = 0;
+ err = test_send(&opt, cgrp);
+ if (err)
+ goto out;
+
+ txmsg_pass = 0;
+ txmsg_redir = 1;
+ txmsg_apply = 0;
+ txmsg_cork = 1024;
+ err = test_send(&opt, cgrp);
+ if (err)
+ goto out;
+
+ txmsg_pass = 0;
+ txmsg_redir = 1;
+ txmsg_apply = 1024;
+ txmsg_cork = 1024;
+ err = test_send(&opt, cgrp);
+ if (err)
+ goto out;
+
+ txmsg_pass = 0;
+ txmsg_redir = 1;
+ txmsg_cork = 4096;
+ txmsg_apply = 4096;
+ err = test_send(&opt, cgrp);
+ if (err)
+ goto out;
+out:
+ return err;
+}
+
+static int test_start_end(int cgrp)
+{
+ struct sockmap_options opt = {0};
+ int err, i;
+
+ /* Test basic start/end with lots of iov_count and iov_lengths */
+ txmsg_start = 1;
+ txmsg_end = 2;
+ err = test_txmsg(cgrp);
+ if (err)
+ goto out;
+
+ /* Test start/end with cork */
+ opt.rate = 16;
+ opt.iov_count = 1;
+ opt.iov_length = 100;
+ txmsg_cork = 1600;
+
+ for (i = 99; i <= 1600; i += 100) {
+ txmsg_start = 0;
+ txmsg_end = i;
+ err = test_exec(cgrp, &opt);
+ if (err)
+ goto out;
+ }
+
+ /* Test start/end with cork but pull data in middle */
+ for (i = 199; i <= 1600; i += 100) {
+ txmsg_start = 100;
+ txmsg_end = i;
+ err = test_exec(cgrp, &opt);
+ if (err)
+ goto out;
+ }
+
+ /* Test start/end with cork pulling last sg entry */
+ txmsg_start = 1500;
+ txmsg_end = 1600;
+ err = test_exec(cgrp, &opt);
+ if (err)
+ goto out;
+
+ /* Test start/end pull of single byte in last page */
+ txmsg_start = 1111;
+ txmsg_end = 1112;
+ err = test_exec(cgrp, &opt);
+ if (err)
+ goto out;
+
+ /* Test start/end with end < start */
+ txmsg_start = 1111;
+ txmsg_end = 0;
+ err = test_exec(cgrp, &opt);
+ if (err)
+ goto out;
+
+ /* Test start/end with end > data */
+ txmsg_start = 0;
+ txmsg_end = 1601;
+ err = test_exec(cgrp, &opt);
+ if (err)
+ goto out;
+
+ /* Test start/end with start > data */
+ txmsg_start = 1601;
+ txmsg_end = 1600;
+ err = test_exec(cgrp, &opt);
+
+out:
+ txmsg_start = 0;
+ txmsg_end = 0;
+ return err;
+}
+
+static int test_suite(void)
+{
+ char *bpf_file = BPF_FILENAME;
+ int cg_fd, err;
+
+ cg_fd = open(BPF_CGRP, O_DIRECTORY, O_RDONLY);
+ if (cg_fd < 0) {
+ fprintf(stderr,
+ "ERROR: (%i) open cg path failed: %s\n",
+ cg_fd, optarg);
+ return cg_fd;
+ }
+
+ if (load_bpf_file(bpf_file)) {
+ fprintf(stderr, "load_bpf_file: (%s) %s\n",
+ bpf_file, strerror(errno));
+ return 1;
+ }
+
+ /* Tests basic commands and APIs with range of iov values */
+ txmsg_start = txmsg_end = 0;
+ err = test_txmsg(cg_fd);
+ if (err)
+ goto out;
+
+ /* Tests interesting combinations of APIs used together */
+ err = test_mixed(cg_fd);
+ if (err)
+ goto out;
+
+ /* Tests pull_data API using start/end API */
+ err = test_start_end(cg_fd);
+ if (err)
+ goto out;
+
+out:
close(cg_fd);
return err;
}
@@ -815,9 +1265,18 @@ int main(int argc, char **argv)
struct rlimit r = {10 * 1024 * 1024, RLIM_INFINITY};
int iov_count = 1, length = 1024, rate = 1;
struct sockmap_options options = {0};
- int opt, longindex, cg_fd = 0;
+ int opt, longindex, err, cg_fd = 0;
+ char *bpf_file = BPF_FILENAME;
int test = PING_PONG;
+ if (setrlimit(RLIMIT_MEMLOCK, &r)) {
+ perror("setrlimit(RLIMIT_MEMLOCK)");
+ return 1;
+ }
+
+ if (argc < 2)
+ return test_suite();
+
while ((opt = getopt_long(argc, argv, ":dhvc:r:i:l:t:",
long_options, &longindex)) != -1) {
switch (opt) {
@@ -888,11 +1347,11 @@ int main(int argc, char **argv)
return -1;
}
- if (setrlimit(RLIMIT_MEMLOCK, &r)) {
- perror("setrlimit(RLIMIT_MEMLOCK)");
+ if (load_bpf_file(bpf_file)) {
+ fprintf(stderr, "load_bpf_file: (%s) %s\n",
+ bpf_file, strerror(errno));
return 1;
}
-
running = 1;
/* catch SIGINT */
@@ -902,7 +1361,9 @@ int main(int argc, char **argv)
options.iov_length = length;
options.rate = rate;
- return run_options(options, cg_fd, test);
+ err = run_options(&options, cg_fd, test);
+ close(cg_fd);
+ return err;
}
void running_handler(int a)
generated by cgit v1.2.3-58-ga151 (git 2.39.0) at 2024-12-02 18:58:29 +0000