From d2ccde1c8e90d38cee87a1b0309ad2827f3fd30d Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 11 Dec 2023 02:45:28 +0000
Subject: [PATCH] add boot partition size
---
kernel/tools/testing/selftests/net/udpgso_bench_rx.c | 184 +++++++++++++++++++++++++++++++++++++++++-----
1 files changed, 164 insertions(+), 20 deletions(-)
diff --git a/kernel/tools/testing/selftests/net/udpgso_bench_rx.c b/kernel/tools/testing/selftests/net/udpgso_bench_rx.c
index 727cf67..6a19342 100644
--- a/kernel/tools/testing/selftests/net/udpgso_bench_rx.c
+++ b/kernel/tools/testing/selftests/net/udpgso_bench_rx.c
@@ -31,9 +31,23 @@
#include <sys/wait.h>
#include <unistd.h>
+#ifndef UDP_GRO
+#define UDP_GRO 104
+#endif
+
static int cfg_port = 8000;
static bool cfg_tcp;
static bool cfg_verify;
+static bool cfg_read_all;
+static bool cfg_gro_segment;
+static int cfg_family = PF_INET6;
+static int cfg_alen = sizeof(struct sockaddr_in6);
+static int cfg_expected_pkt_nr;
+static int cfg_expected_pkt_len;
+static int cfg_expected_gso_size;
+static int cfg_connect_timeout_ms;
+static int cfg_rcv_timeout_ms;
+static struct sockaddr_storage cfg_bind_addr;
static bool interrupted;
static unsigned long packets, bytes;
@@ -44,6 +58,29 @@
interrupted = true;
}
+static void setup_sockaddr(int domain, const char *str_addr, void *sockaddr)
+{
+ struct sockaddr_in6 *addr6 = (void *) sockaddr;
+ struct sockaddr_in *addr4 = (void *) sockaddr;
+
+ switch (domain) {
+ case PF_INET:
+ addr4->sin_family = AF_INET;
+ addr4->sin_port = htons(cfg_port);
+ if (inet_pton(AF_INET, str_addr, &(addr4->sin_addr)) != 1)
+ error(1, 0, "ipv4 parse error: %s", str_addr);
+ break;
+ case PF_INET6:
+ addr6->sin6_family = AF_INET6;
+ addr6->sin6_port = htons(cfg_port);
+ if (inet_pton(AF_INET6, str_addr, &(addr6->sin6_addr)) != 1)
+ error(1, 0, "ipv6 parse error: %s", str_addr);
+ break;
+ default:
+ error(1, 0, "illegal domain");
+ }
+}
+
static unsigned long gettimeofday_ms(void)
{
struct timeval tv;
@@ -52,7 +89,7 @@
return (tv.tv_sec * 1000) + (tv.tv_usec / 1000);
}
-static void do_poll(int fd)
+static void do_poll(int fd, int timeout_ms)
{
struct pollfd pfd;
int ret;
@@ -63,22 +100,34 @@
do {
ret = poll(&pfd, 1, 10);
+ if (interrupted)
+ break;
if (ret == -1)
error(1, errno, "poll");
- if (ret == 0)
+ if (ret == 0) {
+ if (!timeout_ms)
+ continue;
+
+ timeout_ms -= 10;
+ if (timeout_ms <= 0) {
+ interrupted = true;
+ break;
+ }
+
+ /* no events and more time to wait, do poll again */
continue;
+ }
if (pfd.revents != POLLIN)
error(1, errno, "poll: 0x%x expected 0x%x\n",
pfd.revents, POLLIN);
- } while (!ret && !interrupted);
+ } while (!ret);
}
static int do_socket(bool do_tcp)
{
- struct sockaddr_in6 addr = {0};
int fd, val;
- fd = socket(PF_INET6, cfg_tcp ? SOCK_STREAM : SOCK_DGRAM, 0);
+ fd = socket(cfg_family, cfg_tcp ? SOCK_STREAM : SOCK_DGRAM, 0);
if (fd == -1)
error(1, errno, "socket");
@@ -89,10 +138,7 @@
if (setsockopt(fd, SOL_SOCKET, SO_REUSEPORT, &val, sizeof(val)))
error(1, errno, "setsockopt reuseport");
- addr.sin6_family = PF_INET6;
- addr.sin6_port = htons(cfg_port);
- addr.sin6_addr = in6addr_any;
- if (bind(fd, (void *) &addr, sizeof(addr)))
+ if (bind(fd, (void *)&cfg_bind_addr, cfg_alen))
error(1, errno, "bind");
if (do_tcp) {
@@ -101,7 +147,9 @@
if (listen(accept_fd, 1))
error(1, errno, "listen");
- do_poll(accept_fd);
+ do_poll(accept_fd, cfg_connect_timeout_ms);
+ if (interrupted)
+ exit(0);
fd = accept(accept_fd, NULL, NULL);
if (fd == -1)
@@ -164,54 +212,137 @@
}
}
+static int recv_msg(int fd, char *buf, int len, int *gso_size)
+{
+ char control[CMSG_SPACE(sizeof(uint16_t))] = {0};
+ struct msghdr msg = {0};
+ struct iovec iov = {0};
+ struct cmsghdr *cmsg;
+ uint16_t *gsosizeptr;
+ int ret;
+
+ iov.iov_base = buf;
+ iov.iov_len = len;
+
+ msg.msg_iov = &iov;
+ msg.msg_iovlen = 1;
+
+ msg.msg_control = control;
+ msg.msg_controllen = sizeof(control);
+
+ *gso_size = -1;
+ ret = recvmsg(fd, &msg, MSG_TRUNC | MSG_DONTWAIT);
+ if (ret != -1) {
+ for (cmsg = CMSG_FIRSTHDR(&msg); cmsg != NULL;
+ cmsg = CMSG_NXTHDR(&msg, cmsg)) {
+ if (cmsg->cmsg_level == SOL_UDP
+ && cmsg->cmsg_type == UDP_GRO) {
+ gsosizeptr = (uint16_t *) CMSG_DATA(cmsg);
+ *gso_size = *gsosizeptr;
+ break;
+ }
+ }
+ }
+ return ret;
+}
+
/* Flush all outstanding datagrams. Verify first few bytes of each. */
static void do_flush_udp(int fd)
{
- static char rbuf[ETH_DATA_LEN];
- int ret, len, budget = 256;
+ static char rbuf[ETH_MAX_MTU];
+ int ret, len, gso_size, budget = 256;
- len = cfg_verify ? sizeof(rbuf) : 0;
+ len = cfg_read_all ? sizeof(rbuf) : 0;
while (budget--) {
/* MSG_TRUNC will make return value full datagram length */
- ret = recv(fd, rbuf, len, MSG_TRUNC | MSG_DONTWAIT);
+ if (!cfg_expected_gso_size)
+ ret = recv(fd, rbuf, len, MSG_TRUNC | MSG_DONTWAIT);
+ else
+ ret = recv_msg(fd, rbuf, len, &gso_size);
if (ret == -1 && errno == EAGAIN)
- return;
+ break;
if (ret == -1)
error(1, errno, "recv");
- if (len) {
+ if (cfg_expected_pkt_len && ret != cfg_expected_pkt_len)
+ error(1, 0, "recv: bad packet len, got %d,"
+ " expected %d\n", ret, cfg_expected_pkt_len);
+ if (len && cfg_verify) {
if (ret == 0)
error(1, errno, "recv: 0 byte datagram\n");
do_verify_udp(rbuf, ret);
}
+ if (cfg_expected_gso_size && cfg_expected_gso_size != gso_size)
+ error(1, 0, "recv: bad gso size, got %d, expected %d "
+ "(-1 == no gso cmsg))\n", gso_size,
+ cfg_expected_gso_size);
packets++;
bytes += ret;
+ if (cfg_expected_pkt_nr && packets >= cfg_expected_pkt_nr)
+ break;
}
}
static void usage(const char *filepath)
{
- error(1, 0, "Usage: %s [-tv] [-p port]", filepath);
+ error(1, 0, "Usage: %s [-C connect_timeout] [-Grtv] [-b addr] [-p port]"
+ " [-l pktlen] [-n packetnr] [-R rcv_timeout] [-S gsosize]",
+ filepath);
}
static void parse_opts(int argc, char **argv)
{
+ const char *bind_addr = NULL;
int c;
- while ((c = getopt(argc, argv, "ptv")) != -1) {
+ while ((c = getopt(argc, argv, "4b:C:Gl:n:p:rR:S:tv")) != -1) {
switch (c) {
+ case '4':
+ cfg_family = PF_INET;
+ cfg_alen = sizeof(struct sockaddr_in);
+ break;
+ case 'b':
+ bind_addr = optarg;
+ break;
+ case 'C':
+ cfg_connect_timeout_ms = strtoul(optarg, NULL, 0);
+ break;
+ case 'G':
+ cfg_gro_segment = true;
+ break;
+ case 'l':
+ cfg_expected_pkt_len = strtoul(optarg, NULL, 0);
+ break;
+ case 'n':
+ cfg_expected_pkt_nr = strtoul(optarg, NULL, 0);
+ break;
case 'p':
- cfg_port = htons(strtoul(optarg, NULL, 0));
+ cfg_port = strtoul(optarg, NULL, 0);
+ break;
+ case 'r':
+ cfg_read_all = true;
+ break;
+ case 'R':
+ cfg_rcv_timeout_ms = strtoul(optarg, NULL, 0);
+ break;
+ case 'S':
+ cfg_expected_gso_size = strtol(optarg, NULL, 0);
break;
case 't':
cfg_tcp = true;
break;
case 'v':
cfg_verify = true;
+ cfg_read_all = true;
break;
}
}
+
+ if (!bind_addr)
+ bind_addr = cfg_family == PF_INET6 ? "::" : "0.0.0.0";
+
+ setup_sockaddr(cfg_family, bind_addr, &cfg_bind_addr);
if (optind != argc)
usage(argv[0]);
@@ -222,14 +353,21 @@
static void do_recv(void)
{
+ int timeout_ms = cfg_tcp ? cfg_rcv_timeout_ms : cfg_connect_timeout_ms;
unsigned long tnow, treport;
int fd;
fd = do_socket(cfg_tcp);
+ if (cfg_gro_segment && !cfg_tcp) {
+ int val = 1;
+ if (setsockopt(fd, IPPROTO_UDP, UDP_GRO, &val, sizeof(val)))
+ error(1, errno, "setsockopt UDP_GRO");
+ }
+
treport = gettimeofday_ms() + 1000;
do {
- do_poll(fd);
+ do_poll(fd, timeout_ms);
if (cfg_tcp)
do_flush_tcp(fd);
@@ -247,8 +385,14 @@
treport = tnow + 1000;
}
+ timeout_ms = cfg_rcv_timeout_ms;
+
} while (!interrupted);
+ if (cfg_expected_pkt_nr && (packets != cfg_expected_pkt_nr))
+ error(1, 0, "wrong packet number! got %ld, expected %d\n",
+ packets, cfg_expected_pkt_nr);
+
if (close(fd))
error(1, errno, "close");
}
--
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