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-rw-r--r--samples/sockmap/sockmap_user.c1372
1 files changed, 0 insertions, 1372 deletions
diff --git a/samples/sockmap/sockmap_user.c b/samples/sockmap/sockmap_user.c
deleted file mode 100644
index 22595b43ecc5..000000000000
--- a/samples/sockmap/sockmap_user.c
+++ /dev/null
@@ -1,1372 +0,0 @@
-/* Copyright (c) 2017 Covalent IO, Inc. http://covalent.io
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of version 2 of the GNU General Public
- * License as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- */
-#include <stdio.h>
-#include <stdlib.h>
-#include <sys/socket.h>
-#include <sys/ioctl.h>
-#include <sys/select.h>
-#include <netinet/in.h>
-#include <arpa/inet.h>
-#include <unistd.h>
-#include <string.h>
-#include <errno.h>
-#include <sys/ioctl.h>
-#include <stdbool.h>
-#include <signal.h>
-#include <fcntl.h>
-#include <sys/wait.h>
-#include <time.h>
-#include <sched.h>
-
-#include <sys/time.h>
-#include <sys/resource.h>
-#include <sys/types.h>
-#include <sys/sendfile.h>
-
-#include <linux/netlink.h>
-#include <linux/socket.h>
-#include <linux/sock_diag.h>
-#include <linux/bpf.h>
-#include <linux/if_link.h>
-#include <assert.h>
-#include <libgen.h>
-
-#include <getopt.h>
-
-#include "../bpf/bpf_load.h"
-#include "../bpf/bpf_util.h"
-#include "../bpf/libbpf.h"
-
-int running;
-void running_handler(int a);
-
-/* randomly selected ports for testing on lo */
-#define S1_PORT 10000
-#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;
-int txmsg_redir;
-int txmsg_redir_noisy;
-int txmsg_drop;
-int txmsg_apply;
-int txmsg_cork;
-int txmsg_start;
-int txmsg_end;
-int txmsg_ingress;
-int txmsg_skb;
-
-static const struct option long_options[] = {
- {"help", no_argument, NULL, 'h' },
- {"cgroup", required_argument, NULL, 'c' },
- {"rate", required_argument, NULL, 'r' },
- {"verbose", no_argument, NULL, 'v' },
- {"iov_count", required_argument, NULL, 'i' },
- {"length", required_argument, NULL, 'l' },
- {"test", required_argument, NULL, 't' },
- {"data_test", no_argument, NULL, 'd' },
- {"txmsg", no_argument, &txmsg_pass, 1 },
- {"txmsg_noisy", no_argument, &txmsg_noisy, 1 },
- {"txmsg_redir", no_argument, &txmsg_redir, 1 },
- {"txmsg_redir_noisy", no_argument, &txmsg_redir_noisy, 1},
- {"txmsg_drop", no_argument, &txmsg_drop, 1 },
- {"txmsg_apply", required_argument, NULL, 'a'},
- {"txmsg_cork", required_argument, NULL, 'k'},
- {"txmsg_start", required_argument, NULL, 's'},
- {"txmsg_end", required_argument, NULL, 'e'},
- {"txmsg_ingress", no_argument, &txmsg_ingress, 1 },
- {"txmsg_skb", no_argument, &txmsg_skb, 1 },
- {0, 0, NULL, 0 }
-};
-
-static void usage(char *argv[])
-{
- int i;
-
- printf(" Usage: %s --cgroup <cgroup_path>\n", argv[0]);
- printf(" options:\n");
- for (i = 0; long_options[i].name != 0; i++) {
- printf(" --%-12s", long_options[i].name);
- if (long_options[i].flag != NULL)
- printf(" flag (internal value:%d)\n",
- *long_options[i].flag);
- else
- printf(" -%c\n", long_options[i].val);
- }
- printf("\n");
-}
-
-static int sockmap_init_sockets(int verbose)
-{
- int i, err, one = 1;
- struct sockaddr_in addr;
- int *fds[4] = {&s1, &s2, &c1, &c2};
-
- s1 = s2 = p1 = p2 = c1 = c2 = 0;
-
- /* Init sockets */
- for (i = 0; i < 4; i++) {
- *fds[i] = socket(AF_INET, SOCK_STREAM, 0);
- if (*fds[i] < 0) {
- perror("socket s1 failed()");
- return errno;
- }
- }
-
- /* Allow reuse */
- for (i = 0; i < 2; i++) {
- err = setsockopt(*fds[i], SOL_SOCKET, SO_REUSEADDR,
- (char *)&one, sizeof(one));
- if (err) {
- perror("setsockopt failed()");
- return errno;
- }
- }
-
- /* Non-blocking sockets */
- for (i = 0; i < 2; i++) {
- err = ioctl(*fds[i], FIONBIO, (char *)&one);
- if (err < 0) {
- perror("ioctl s1 failed()");
- return errno;
- }
- }
-
- /* Bind server sockets */
- memset(&addr, 0, sizeof(struct sockaddr_in));
- addr.sin_family = AF_INET;
- addr.sin_addr.s_addr = inet_addr("127.0.0.1");
-
- addr.sin_port = htons(S1_PORT);
- err = bind(s1, (struct sockaddr *)&addr, sizeof(addr));
- if (err < 0) {
- perror("bind s1 failed()\n");
- return errno;
- }
-
- addr.sin_port = htons(S2_PORT);
- err = bind(s2, (struct sockaddr *)&addr, sizeof(addr));
- if (err < 0) {
- perror("bind s2 failed()\n");
- return errno;
- }
-
- /* Listen server sockets */
- addr.sin_port = htons(S1_PORT);
- err = listen(s1, 32);
- if (err < 0) {
- perror("listen s1 failed()\n");
- return errno;
- }
-
- addr.sin_port = htons(S2_PORT);
- err = listen(s2, 32);
- if (err < 0) {
- perror("listen s1 failed()\n");
- return errno;
- }
-
- /* Initiate Connect */
- addr.sin_port = htons(S1_PORT);
- err = connect(c1, (struct sockaddr *)&addr, sizeof(addr));
- if (err < 0 && errno != EINPROGRESS) {
- perror("connect c1 failed()\n");
- return errno;
- }
-
- addr.sin_port = htons(S2_PORT);
- err = connect(c2, (struct sockaddr *)&addr, sizeof(addr));
- if (err < 0 && errno != EINPROGRESS) {
- perror("connect c2 failed()\n");
- return errno;
- } else if (err < 0) {
- err = 0;
- }
-
- /* Accept Connecrtions */
- p1 = accept(s1, NULL, NULL);
- if (p1 < 0) {
- perror("accept s1 failed()\n");
- return errno;
- }
-
- p2 = accept(s2, NULL, NULL);
- if (p2 < 0) {
- perror("accept s1 failed()\n");
- return errno;
- }
-
- 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;
-}
-
-struct msg_stats {
- size_t bytes_sent;
- size_t bytes_recvd;
- struct timespec start;
- struct timespec end;
-};
-
-struct sockmap_options {
- int verbose;
- bool base;
- bool sendpage;
- bool data_test;
- bool drop_expected;
- int iov_count;
- int iov_length;
- int rate;
-};
-
-static int msg_loop_sendpage(int fd, int iov_length, int cnt,
- struct msg_stats *s,
- struct sockmap_options *opt)
-{
- bool drop = opt->drop_expected;
- unsigned char k = 0;
- FILE *file;
- int i, fp;
-
- file = fopen(".sendpage_tst.tmp", "w+");
- for (i = 0; i < iov_length * cnt; i++, k++)
- fwrite(&k, sizeof(char), 1, file);
- fflush(file);
- fseek(file, 0, SEEK_SET);
- fclose(file);
-
- fp = open(".sendpage_tst.tmp", O_RDONLY);
- clock_gettime(CLOCK_MONOTONIC, &s->start);
- for (i = 0; i < cnt; i++) {
- int sent = sendfile(fd, fp, NULL, iov_length);
-
- if (!drop && sent < 0) {
- perror("send loop error:");
- close(fp);
- return sent;
- } else if (drop && sent >= 0) {
- printf("sendpage loop error expected: %i\n", sent);
- close(fp);
- return -EIO;
- }
-
- if (sent > 0)
- s->bytes_sent += sent;
- }
- clock_gettime(CLOCK_MONOTONIC, &s->end);
- close(fp);
- return 0;
-}
-
-static int msg_loop(int fd, int iov_count, int iov_length, int cnt,
- struct msg_stats *s, bool tx,
- struct sockmap_options *opt)
-{
- struct msghdr msg = {0};
- int err, i, flags = MSG_NOSIGNAL;
- struct iovec *iov;
- unsigned char k;
- bool data_test = opt->data_test;
- bool drop = opt->drop_expected;
-
- iov = calloc(iov_count, sizeof(struct iovec));
- if (!iov)
- return errno;
-
- k = 0;
- for (i = 0; i < iov_count; i++) {
- unsigned char *d = calloc(iov_length, sizeof(char));
-
- if (!d) {
- fprintf(stderr, "iov_count %i/%i OOM\n", i, iov_count);
- goto out_errno;
- }
- iov[i].iov_base = d;
- iov[i].iov_len = iov_length;
-
- if (data_test && tx) {
- int j;
-
- for (j = 0; j < iov_length; j++)
- d[j] = k++;
- }
- }
-
- msg.msg_iov = iov;
- msg.msg_iovlen = iov_count;
- k = 0;
-
- if (tx) {
- clock_gettime(CLOCK_MONOTONIC, &s->start);
- for (i = 0; i < cnt; i++) {
- int sent = sendmsg(fd, &msg, flags);
-
- if (!drop && sent < 0) {
- perror("send loop error:");
- goto out_errno;
- } else if (drop && sent >= 0) {
- printf("send loop error expected: %i\n", sent);
- errno = -EIO;
- goto out_errno;
- }
- if (sent > 0)
- s->bytes_sent += sent;
- }
- 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)
- perror("recv start time: ");
- while (s->bytes_recvd < total_bytes) {
- timeout.tv_sec = 1;
- timeout.tv_usec = 0;
-
- /* FD sets */
- FD_ZERO(&w);
- FD_SET(fd, &w);
-
- slct = select(max_fd + 1, &w, NULL, NULL, &timeout);
- if (slct == -1) {
- perror("select()");
- clock_gettime(CLOCK_MONOTONIC, &s->end);
- goto out_errno;
- } else if (!slct) {
- if (opt->verbose)
- fprintf(stderr, "unexpected timeout\n");
- errno = -EIO;
- clock_gettime(CLOCK_MONOTONIC, &s->end);
- goto out_errno;
- }
-
- recv = recvmsg(fd, &msg, flags);
- if (recv < 0) {
- if (errno != EWOULDBLOCK) {
- clock_gettime(CLOCK_MONOTONIC, &s->end);
- perror("recv failed()\n");
- goto out_errno;
- }
- }
-
- s->bytes_recvd += recv;
-
- if (data_test) {
- int j;
-
- for (i = 0; i < msg.msg_iovlen; i++) {
- unsigned char *d = iov[i].iov_base;
-
- for (j = 0;
- j < iov[i].iov_len && recv; j++) {
- if (d[j] != k++) {
- errno = -EIO;
- fprintf(stderr,
- "detected data corruption @iov[%i]:%i %02x != %02x, %02x ?= %02x\n",
- i, j, d[j], k - 1, d[j+1], k + 1);
- goto out_errno;
- }
- recv--;
- }
- }
- }
- }
- clock_gettime(CLOCK_MONOTONIC, &s->end);
- }
-
- for (i = 0; i < iov_count; i++)
- free(iov[i].iov_base);
- free(iov);
- return 0;
-out_errno:
- for (i = 0; i < iov_count; i++)
- free(iov[i].iov_base);
- free(iov);
- return errno;
-}
-
-static float giga = 1000000000;
-
-static inline float sentBps(struct msg_stats s)
-{
- return s.bytes_sent / (s.end.tv_sec - s.start.tv_sec);
-}
-
-static inline float recvdBps(struct msg_stats s)
-{
- return s.bytes_recvd / (s.end.tv_sec - s.start.tv_sec);
-}
-
-static int sendmsg_test(struct sockmap_options *opt)
-{
- float sent_Bps = 0, recvd_Bps = 0;
- int rx_fd, txpid, rxpid, err = 0;
- struct msg_stats s = {0};
- int iov_count = opt->iov_count;
- int iov_buf = opt->iov_length;
- int cnt = opt->rate;
- int status;
-
- errno = 0;
-
- if (opt->base)
- rx_fd = p1;
- else
- rx_fd = p2;
-
- rxpid = fork();
- if (rxpid == 0) {
- if (opt->drop_expected)
- exit(1);
-
- if (opt->sendpage)
- iov_count = 1;
- err = msg_loop(rx_fd, iov_count, iov_buf,
- cnt, &s, false, opt);
- 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);
- shutdown(p2, SHUT_RDWR);
- shutdown(p1, SHUT_RDWR);
- if (s.end.tv_sec - s.start.tv_sec) {
- sent_Bps = sentBps(s);
- recvd_Bps = recvdBps(s);
- }
- 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: ");
- return errno;
- }
-
- txpid = fork();
- if (txpid == 0) {
- if (opt->sendpage)
- err = msg_loop_sendpage(c1, iov_buf, cnt, &s, opt);
- else
- err = msg_loop(c1, iov_count, iov_buf,
- cnt, &s, true, opt);
-
- if (err)
- fprintf(stderr,
- "msg_loop_tx: iov_count %i iov_buf %i cnt %i err %i\n",
- iov_count, iov_buf, cnt, err);
- shutdown(c1, SHUT_RDWR);
- if (s.end.tv_sec - s.start.tv_sec) {
- sent_Bps = sentBps(s);
- recvd_Bps = recvdBps(s);
- }
- 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: ");
- return errno;
- }
-
- assert(waitpid(rxpid, &status, 0) == rxpid);
- assert(waitpid(txpid, &status, 0) == txpid);
- return err;
-}
-
-static int forever_ping_pong(int rate, struct sockmap_options *opt)
-{
- struct timeval timeout;
- char buf[1024] = {0};
- int sc;
-
- timeout.tv_sec = 10;
- timeout.tv_usec = 0;
-
- /* Ping/Pong data from client to server */
- sc = send(c1, buf, sizeof(buf), 0);
- if (sc < 0) {
- perror("send failed()\n");
- return sc;
- }
-
- do {
- int s, rc, i, max_fd = p2;
- fd_set w;
-
- /* FD sets */
- FD_ZERO(&w);
- FD_SET(c1, &w);
- FD_SET(c2, &w);
- FD_SET(p1, &w);
- FD_SET(p2, &w);
-
- s = select(max_fd + 1, &w, NULL, NULL, &timeout);
- if (s == -1) {
- perror("select()");
- break;
- } else if (!s) {
- fprintf(stderr, "unexpected timeout\n");
- break;
- }
-
- for (i = 0; i <= max_fd && s > 0; ++i) {
- if (!FD_ISSET(i, &w))
- continue;
-
- s--;
-
- rc = recv(i, buf, sizeof(buf), 0);
- if (rc < 0) {
- if (errno != EWOULDBLOCK) {
- perror("recv failed()\n");
- return rc;
- }
- }
-
- if (rc == 0) {
- close(i);
- break;
- }
-
- sc = send(i, buf, rc, 0);
- if (sc < 0) {
- perror("send failed()\n");
- return sc;
- }
- }
-
- if (rate)
- sleep(rate);
-
- if (opt->verbose) {
- printf(".");
- fflush(stdout);
-
- }
- } while (running);
-
- return 0;
-}
-
-enum {
- PING_PONG,
- SENDMSG,
- BASE,
- BASE_SENDPAGE,
- SENDPAGE,
-};
-
-static int run_options(struct sockmap_options *options, int cg_fd, int test)
-{
- int i, key, next_key, err, tx_prog_fd = -1, zero = 0;
-
- /* If base test skip BPF setup */
- if (test == BASE || test == BASE_SENDPAGE)
- goto run;
-
- /* Attach programs to sockmap */
- err = bpf_prog_attach(prog_fd[0], map_fd[0],
- BPF_SK_SKB_STREAM_PARSER, 0);
- if (err) {
- fprintf(stderr, "ERROR: bpf_prog_attach (sockmap): %d (%s)\n",
- err, strerror(errno));
- return err;
- }
-
- err = bpf_prog_attach(prog_fd[1], map_fd[0],
- BPF_SK_SKB_STREAM_VERDICT, 0);
- if (err) {
- fprintf(stderr, "ERROR: bpf_prog_attach (sockmap): %d (%s)\n",
- err, strerror(errno));
- return err;
- }
-
- /* Attach to cgroups */
- err = bpf_prog_attach(prog_fd[2], cg_fd, BPF_CGROUP_SOCK_OPS, 0);
- if (err) {
- fprintf(stderr, "ERROR: bpf_prog_attach (groups): %d (%s)\n",
- err, strerror(errno));
- return err;
- }
-
-run:
- err = sockmap_init_sockets(options->verbose);
- if (err) {
- fprintf(stderr, "ERROR: test socket failed: %d\n", err);
- goto out;
- }
-
- /* Attach txmsg program to sockmap */
- if (txmsg_pass)
- tx_prog_fd = prog_fd[3];
- else if (txmsg_noisy)
- tx_prog_fd = prog_fd[4];
- else if (txmsg_redir)
- tx_prog_fd = prog_fd[5];
- else if (txmsg_redir_noisy)
- tx_prog_fd = prog_fd[6];
- else if (txmsg_drop)
- tx_prog_fd = prog_fd[9];
- /* apply and cork must be last */
- else if (txmsg_apply)
- tx_prog_fd = prog_fd[7];
- else if (txmsg_cork)
- tx_prog_fd = prog_fd[8];
- else
- tx_prog_fd = 0;
-
- if (tx_prog_fd) {
- int redir_fd, i = 0;
-
- err = bpf_prog_attach(tx_prog_fd,
- map_fd[1], BPF_SK_MSG_VERDICT, 0);
- if (err) {
- fprintf(stderr,
- "ERROR: bpf_prog_attach (txmsg): %d (%s)\n",
- err, strerror(errno));
- goto out;
- }
-
- err = bpf_map_update_elem(map_fd[1], &i, &c1, BPF_ANY);
- if (err) {
- fprintf(stderr,
- "ERROR: bpf_map_update_elem (txmsg): %d (%s\n",
- err, strerror(errno));
- goto out;
- }
-
- if (txmsg_redir || txmsg_redir_noisy)
- redir_fd = c2;
- else
- redir_fd = c1;
-
- err = bpf_map_update_elem(map_fd[2], &i, &redir_fd, BPF_ANY);
- if (err) {
- fprintf(stderr,
- "ERROR: bpf_map_update_elem (txmsg): %d (%s\n",
- err, strerror(errno));
- goto out;
- }
-
- if (txmsg_apply) {
- err = bpf_map_update_elem(map_fd[3],
- &i, &txmsg_apply, BPF_ANY);
- if (err) {
- fprintf(stderr,
- "ERROR: bpf_map_update_elem (apply_bytes): %d (%s\n",
- err, strerror(errno));
- goto out;
- }
- }
-
- if (txmsg_cork) {
- err = bpf_map_update_elem(map_fd[4],
- &i, &txmsg_cork, BPF_ANY);
- if (err) {
- fprintf(stderr,
- "ERROR: bpf_map_update_elem (cork_bytes): %d (%s\n",
- err, strerror(errno));
- goto out;
- }
- }
-
- if (txmsg_start) {
- err = bpf_map_update_elem(map_fd[5],
- &i, &txmsg_start, BPF_ANY);
- if (err) {
- fprintf(stderr,
- "ERROR: bpf_map_update_elem (txmsg_start): %d (%s)\n",
- err, strerror(errno));
- goto out;
- }
- }
-
- if (txmsg_end) {
- i = 1;
- err = bpf_map_update_elem(map_fd[5],
- &i, &txmsg_end, BPF_ANY);
- if (err) {
- fprintf(stderr,
- "ERROR: bpf_map_update_elem (txmsg_end): %d (%s)\n",
- err, strerror(errno));
- goto out;
- }
- }
-
- if (txmsg_ingress) {
- int in = BPF_F_INGRESS;
-
- i = 0;
- err = bpf_map_update_elem(map_fd[6], &i, &in, BPF_ANY);
- if (err) {
- fprintf(stderr,
- "ERROR: bpf_map_update_elem (txmsg_ingress): %d (%s)\n",
- err, strerror(errno));
- }
- i = 1;
- err = bpf_map_update_elem(map_fd[1], &i, &p1, BPF_ANY);
- if (err) {
- fprintf(stderr,
- "ERROR: bpf_map_update_elem (p1 txmsg): %d (%s)\n",
- err, strerror(errno));
- }
- err = bpf_map_update_elem(map_fd[2], &i, &p1, BPF_ANY);
- if (err) {
- fprintf(stderr,
- "ERROR: bpf_map_update_elem (p1 redir): %d (%s)\n",
- err, strerror(errno));
- }
-
- i = 2;
- err = bpf_map_update_elem(map_fd[2], &i, &p2, BPF_ANY);
- if (err) {
- fprintf(stderr,
- "ERROR: bpf_map_update_elem (p2 txmsg): %d (%s)\n",
- err, strerror(errno));
- }
- }
-
- if (txmsg_skb) {
- int skb_fd = (test == SENDMSG || test == SENDPAGE) ? p2 : p1;
- int ingress = BPF_F_INGRESS;
-
- i = 0;
- err = bpf_map_update_elem(map_fd[7], &i, &ingress, BPF_ANY);
- if (err) {
- fprintf(stderr,
- "ERROR: bpf_map_update_elem (txmsg_ingress): %d (%s)\n",
- err, strerror(errno));
- }
-
- i = 3;
- err = bpf_map_update_elem(map_fd[0], &i, &skb_fd, BPF_ANY);
- if (err) {
- fprintf(stderr,
- "ERROR: bpf_map_update_elem (c1 sockmap): %d (%s)\n",
- err, strerror(errno));
- }
- }
- }
-
- if (txmsg_drop)
- options->drop_expected = true;
-
- if (test == PING_PONG)
- err = forever_ping_pong(options->rate, options);
- else if (test == SENDMSG) {
- options->base = false;
- options->sendpage = false;
- err = sendmsg_test(options);
- } else if (test == SENDPAGE) {
- options->base = false;
- options->sendpage = true;
- err = sendmsg_test(options);
- } else if (test == BASE) {
- 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);
- } 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;
-}
-
-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, 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) {
- case 's':
- txmsg_start = atoi(optarg);
- break;
- case 'e':
- txmsg_end = atoi(optarg);
- break;
- case 'a':
- txmsg_apply = atoi(optarg);
- break;
- case 'k':
- txmsg_cork = atoi(optarg);
- break;
- case 'c':
- cg_fd = open(optarg, O_DIRECTORY, O_RDONLY);
- if (cg_fd < 0) {
- fprintf(stderr,
- "ERROR: (%i) open cg path failed: %s\n",
- cg_fd, optarg);
- return cg_fd;
- }
- break;
- case 'r':
- rate = atoi(optarg);
- break;
- case 'v':
- options.verbose = 1;
- break;
- case 'i':
- iov_count = atoi(optarg);
- break;
- case 'l':
- length = atoi(optarg);
- break;
- case 'd':
- options.data_test = true;
- break;
- case 't':
- if (strcmp(optarg, "ping") == 0) {
- test = PING_PONG;
- } else if (strcmp(optarg, "sendmsg") == 0) {
- test = SENDMSG;
- } else if (strcmp(optarg, "base") == 0) {
- test = BASE;
- } else if (strcmp(optarg, "base_sendpage") == 0) {
- test = BASE_SENDPAGE;
- } else if (strcmp(optarg, "sendpage") == 0) {
- test = SENDPAGE;
- } else {
- usage(argv);
- return -1;
- }
- break;
- case 0:
- break;
- case 'h':
- default:
- usage(argv);
- return -1;
- }
- }
-
- if (!cg_fd) {
- fprintf(stderr, "%s requires cgroup option: --cgroup <path>\n",
- argv[0]);
- return -1;
- }
-
- if (load_bpf_file(bpf_file)) {
- fprintf(stderr, "load_bpf_file: (%s) %s\n",
- bpf_file, strerror(errno));
- return 1;
- }
- running = 1;
-
- /* catch SIGINT */
- signal(SIGINT, running_handler);
-
- options.iov_count = iov_count;
- options.iov_length = length;
- options.rate = rate;
-
- err = run_options(&options, cg_fd, test);
- close(cg_fd);
- return err;
-}
-
-void running_handler(int a)
-{
- running = 0;
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-02 12:00:49 +0000