samples/bpf: xdpsock: Add option to specify transmit fill pattern (46e3268e) · Commits · 戴 / test

samples/bpf/xdpsock_user.c

+9 −4

Original line number	Diff line number	Diff line
		@@ -76,7 +76,7 @@ static bool benchmark_done;
		static u32 opt_batch_size = 64;
		static int opt_pkt_count;
		static u16 opt_pkt_size = MIN_PKT_SIZE;
		static u32 pkt_fill_pattern = 0x12345678;
		static u32 opt_pkt_fill_pattern = 0x12345678;
		static int opt_poll;
		static int opt_interval = 1;
		static u32 opt_xdp_bind_flags = XDP_USE_NEED_WAKEUP;
		@@ -517,7 +517,7 @@ static void gen_eth_hdr_data(void)
		udp_hdr->len = htons(UDP_PKT_SIZE);

		/* UDP data */
		memset32_htonl(pkt_data + PKT_HDR_SIZE, pkt_fill_pattern,
		memset32_htonl(pkt_data + PKT_HDR_SIZE, opt_pkt_fill_pattern,
		UDP_PKT_DATA_SIZE);

		/* UDP header checksum */
		@@ -630,6 +630,7 @@ static struct option long_options[] = {
		{"batch-size", required_argument, 0, 'b'},
		{"tx-pkt-count", required_argument, 0, 'C'},
		{"tx-pkt-size", required_argument, 0, 's'},
		{"tx-pkt-pattern", required_argument, 0, 'P'},
		{0, 0, 0, 0}
		};

		@@ -663,10 +664,11 @@ static void usage(const char *prog)
		" -s, --tx-pkt-size=n Transmit packet size.\n"
		" (Default: %d bytes)\n"
		" Min size: %d, Max size %d.\n"
		" -P, --tx-pkt-pattern=nPacket fill pattern. Default: 0x%x\n"
		"\n";
		fprintf(stderr, str, prog, XSK_UMEM__DEFAULT_FRAME_SIZE,
		opt_batch_size, MIN_PKT_SIZE, MIN_PKT_SIZE,
		XSK_UMEM__DEFAULT_FRAME_SIZE);
		XSK_UMEM__DEFAULT_FRAME_SIZE, opt_pkt_fill_pattern);

		exit(EXIT_FAILURE);
		}
		@@ -678,7 +680,7 @@ static void parse_command_line(int argc, char **argv)
		opterr = 0;

		for (;;) {
		c = getopt_long(argc, argv, "Frtli:q:pSNn:czf:muMd:b:C:s:",
		c = getopt_long(argc, argv, "Frtli:q:pSNn:czf:muMd:b:C:s:P:",
		long_options, &option_index);
		if (c == -1)
		break;
		@@ -756,6 +758,9 @@ static void parse_command_line(int argc, char **argv)
		usage(basename(argv[0]));
		}
		break;
		case 'P':
		opt_pkt_fill_pattern = strtol(optarg, NULL, 16);
		break;
		default:
		usage(basename(argv[0]));
		}

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