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Commit ce5373be authored by John Fastabend's avatar John Fastabend Committed by Daniel Borkmann
Browse files

bpf: sockmap sample add base test without any BPF for comparison 



Add a base test that does not use BPF hooks to test baseline case.

Signed-off-by: default avatarJohn Fastabend <john.fastabend@gmail.com>
Acked-by: default avatarMartin KaFai Lau <kafai@fb.com>
Signed-off-by: default avatarDaniel Borkmann <daniel@iogearbox.net>
parent 66fdd1a3

samples/sockmap/sockmap_user.c

+21 −5
Original line number Diff line number Diff line
@@ -298,18 +298,24 @@ static inline float recvdBps(struct msg_stats s) 
	return s.bytes_recvd / (s.end.tv_sec - s.start.tv_sec);

}



static int sendmsg_test(int iov_count, int iov_buf, int cnt, int verbose)

static int sendmsg_test(int iov_count, int iov_buf, int cnt,

			int verbose, bool base)

{

	int txpid, rxpid, err = 0;

	float sent_Bps = 0, recvd_Bps = 0;

	int rx_fd, txpid, rxpid, err = 0;

	struct msg_stats s = {0};

	int status;

	float sent_Bps = 0, recvd_Bps = 0;



	errno = 0;



	if (base)

		rx_fd = p1;

	else

		rx_fd = p2;



	rxpid = fork();

	if (rxpid == 0) {

		err = msg_loop(p2, iov_count, iov_buf, cnt, &s, false);

		err = msg_loop(rx_fd, iov_count, iov_buf, cnt, &s, false);

		if (err)

			fprintf(stderr,

				"msg_loop_rx: iov_count %i iov_buf %i cnt %i err %i\n",
@@ -435,6 +441,7 @@ static int forever_ping_pong(int rate, int verbose) 
enum {

	PING_PONG,

	SENDMSG,

	BASE,

};



int main(int argc, char **argv)
@@ -474,6 +481,8 @@ int main(int argc, char **argv) 
				test = PING_PONG;

			} else if (strcmp(optarg, "sendmsg") == 0) {

				test = SENDMSG;

			} else if (strcmp(optarg, "base") == 0) {

				test = BASE;

			} else {

				usage(argv);

				return -1;
@@ -499,6 +508,10 @@ int main(int argc, char **argv) 
	/* catch SIGINT */

	signal(SIGINT, running_handler);



	/* If base test skip BPF setup */

	if (test == BASE)

		goto run;



	if (load_bpf_file(filename)) {

		fprintf(stderr, "load_bpf_file: (%s) %s\n",

			filename, strerror(errno));
@@ -530,6 +543,7 @@ int main(int argc, char **argv) 
		return err;

	}



run:

	err = sockmap_init_sockets();

	if (err) {

		fprintf(stderr, "ERROR: test socket failed: %d\n", err);
@@ -539,7 +553,9 @@ int main(int argc, char **argv) 
	if (test == PING_PONG)

		err = forever_ping_pong(rate, verbose);

	else if (test == SENDMSG)

		err = sendmsg_test(iov_count, length, rate, verbose);

		err = sendmsg_test(iov_count, length, rate, verbose, false);

	else if (test == BASE)

		err = sendmsg_test(iov_count, length, rate, verbose, true);

	else

		fprintf(stderr, "unknown test\n");

out: