samples/bpf: add -c/--copy -z/--zero-copy flags to xdpsock (58c50ae4) · Commits · 戴 / test

samples/bpf/xdpsock_user.c

+11 −1

Original line number	Diff line number	Diff line
		@@ -649,6 +649,8 @@ static struct option long_options[] = {
		{"xdp-skb", no_argument, 0, 'S'},
		{"xdp-native", no_argument, 0, 'N'},
		{"interval", required_argument, 0, 'n'},
		{"zero-copy", no_argument, 0, 'z'},
		{"copy", no_argument, 0, 'c'},
		{0, 0, 0, 0}
		};

		@@ -667,6 +669,8 @@ static void usage(const char *prog)
		" -S, --xdp-skb=n Use XDP skb-mod\n"
		" -N, --xdp-native=n Enfore XDP native mode\n"
		" -n, --interval=n Specify statistics update interval (default 1 sec).\n"
		" -z, --zero-copy Force zero-copy mode.\n"
		" -c, --copy Force copy mode.\n"
		"\n";
		fprintf(stderr, str, prog);
		exit(EXIT_FAILURE);
		@@ -679,7 +683,7 @@ static void parse_command_line(int argc, char **argv)
		opterr = 0;

		for (;;) {
		c = getopt_long(argc, argv, "rtli:q:psSNn:", long_options,
		c = getopt_long(argc, argv, "rtli:q:psSNn:cz", long_options,
		&option_index);
		if (c == -1)
		break;
		@@ -716,6 +720,12 @@ static void parse_command_line(int argc, char **argv)
		case 'n':
		opt_interval = atoi(optarg);
		break;
		case 'z':
		opt_xdp_bind_flags \|= XDP_ZEROCOPY;
		break;
		case 'c':
		opt_xdp_bind_flags \|= XDP_COPY;
		break;
		default:
		usage(basename(argv[0]));
		}