selftests/bpf: Xsk selftests - DRV POLL, NOPOLL (9103a859) · Commits · 戴 / test

tools/testing/selftests/bpf/test_xsk.sh

+24 −0

Original line number	Diff line number	Diff line
		@@ -173,6 +173,30 @@ retval=$?
		test_status $retval "${TEST_NAME}"
		statusList+=($retval)

		### TEST 4
		TEST_NAME="DRV NOPOLL"

		vethXDPnative ${VETH0} ${VETH1} ${NS1}

		params=("-N")
		execxdpxceiver params

		retval=$?
		test_status $retval "${TEST_NAME}"
		statusList+=($retval)

		### TEST 5
		TEST_NAME="DRV POLL"

		vethXDPnative ${VETH0} ${VETH1} ${NS1}

		params=("-N" "-p")
		execxdpxceiver params

		retval=$?
		test_status $retval "${TEST_NAME}"
		statusList+=($retval)

		## END TESTS

		cleanup_exit ${VETH0} ${VETH1} ${NS1}

tools/testing/selftests/bpf/xdpxceiver.c

+19 −3

Original line number	Diff line number	Diff line
		@@ -27,7 +27,16 @@
		* a. nopoll - soft-irq processing
		* b. poll - using poll() syscall
		*
		* Total tests: 2
		* 2. AF_XDP DRV/Native mode
		* Works on any netdevice with XDP_REDIRECT support, driver dependent. Processes
		* packets before SKB allocation. Provides better performance than SKB. Driver
		* hook available just after DMA of buffer descriptor.
		* a. nopoll
		* b. poll
		* - Only copy mode is supported because veth does not currently support
		* zero-copy mode
		*
		* Total tests: 4
		*
		* Flow:
		* -----
		@@ -88,7 +97,7 @@ static void __exit_with_error(int error, const char file, const char func, int
		#define exit_with_error(error) __exit_with_error(error, __FILE__, __func__, __LINE__)

		#define print_ksft_result(void)\
		(ksft_test_result_pass("PASS: %s %s\n", uut ? "" : "SKB", opt_poll ? "POLL" : "NOPOLL"))
		(ksft_test_result_pass("PASS: %s %s\n", uut ? "DRV" : "SKB", opt_poll ? "POLL" : "NOPOLL"))

		static void pthread_init_mutex(void)
		{
		@@ -311,6 +320,7 @@ static struct option long_options[] = {
		{"queue", optional_argument, 0, 'q'},
		{"poll", no_argument, 0, 'p'},
		{"xdp-skb", no_argument, 0, 'S'},
		{"xdp-native", no_argument, 0, 'N'},
		{"copy", no_argument, 0, 'c'},
		{"debug", optional_argument, 0, 'D'},
		{"tx-pkt-count", optional_argument, 0, 'C'},
		@@ -326,6 +336,7 @@ static void usage(const char *prog)
		" -q, --queue=n Use queue n (default 0)\n"
		" -p, --poll Use poll syscall\n"
		" -S, --xdp-skb=n Use XDP SKB mode\n"
		" -N, --xdp-native=n Enforce XDP DRV (native) mode\n"
		" -c, --copy Force copy mode\n"
		" -D, --debug Debug mode - dump packets L2 - L5\n"
		" -C, --tx-pkt-count=n Number of packets to send\n";
		@@ -417,7 +428,7 @@ static void parse_command_line(int argc, char **argv)
		opterr = 0;

		for (;;) {
		c = getopt_long(argc, argv, "i:q:pScDC:", long_options, &option_index);
		c = getopt_long(argc, argv, "i:q:pSNcDC:", long_options, &option_index);

		if (c == -1)
		break;
		@@ -448,6 +459,11 @@ static void parse_command_line(int argc, char **argv)
		opt_xdp_bind_flags \|= XDP_COPY;
		uut = ORDER_CONTENT_VALIDATE_XDP_SKB;
		break;
		case 'N':
		opt_xdp_flags \|= XDP_FLAGS_DRV_MODE;
		opt_xdp_bind_flags \|= XDP_COPY;
		uut = ORDER_CONTENT_VALIDATE_XDP_DRV;
		break;
		case 'c':
		opt_xdp_bind_flags \|= XDP_COPY;
		break;

tools/testing/selftests/bpf/xdpxceiver.h

+2 −1

Original line number	Diff line number	Diff line
		@@ -38,7 +38,7 @@
		#define SOCK_RECONF_CTR 10
		#define BATCH_SIZE 64
		#define POLL_TMOUT 1000
		#define NEED_WAKEUP 1
		#define NEED_WAKEUP true

		typedef __u32 u32;
		typedef __u16 u16;
		@@ -46,6 +46,7 @@ typedef __u8 u8;

		enum TESTS {
		ORDER_CONTENT_VALIDATE_XDP_SKB = 0,
		ORDER_CONTENT_VALIDATE_XDP_DRV = 1,
		};

		u8 uut;

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