18 	const char *filename = "/sys/class/net/lo/mtu";  in read_mtu_device_lo()
98 	/* Extract MTU that BPF-prog got */  in test_check_mtu_run_xdp()
100 	ASSERT_EQ(mtu_result, mtu_expect, "MTU-compare-user");  in test_check_mtu_run_xdp()
104 static void test_check_mtu_xdp(__u32 mtu, __u32 ifindex)  in test_check_mtu_xdp()  argument
114 	skel->rodata->GLOBAL_USER_MTU = mtu;  in test_check_mtu_xdp()
121 	test_check_mtu_run_xdp(skel, skel->progs.xdp_use_helper, mtu);  in test_check_mtu_xdp()
122 	test_check_mtu_run_xdp(skel, skel->progs.xdp_exceed_mtu, mtu);  in test_check_mtu_xdp()
123 	test_check_mtu_run_xdp(skel, skel->progs.xdp_minus_delta, mtu);  in test_check_mtu_xdp()
124 	test_check_mtu_run_xdp(skel, skel->progs.xdp_input_len, mtu);  in test_check_mtu_xdp()
125 	test_check_mtu_run_xdp(skel, skel->progs.xdp_input_len_exceed, mtu);  in test_check_mtu_xdp()
151 	/* Extract MTU that BPF-prog got */  in test_check_mtu_run_tc()
153 	ASSERT_EQ(mtu_result, mtu_expect, "MTU-compare-user");  in test_check_mtu_run_tc()
157 static void test_check_mtu_tc(__u32 mtu, __u32 ifindex)  in test_check_mtu_tc()  argument
167 	skel->rodata->GLOBAL_USER_MTU = mtu;  in test_check_mtu_tc()
174 	test_check_mtu_run_tc(skel, skel->progs.tc_use_helper, mtu);  in test_check_mtu_tc()
175 	test_check_mtu_run_tc(skel, skel->progs.tc_exceed_mtu, mtu);  in test_check_mtu_tc()
176 	test_check_mtu_run_tc(skel, skel->progs.tc_exceed_mtu_da, mtu);  in test_check_mtu_tc()
177 	test_check_mtu_run_tc(skel, skel->progs.tc_minus_delta, mtu);  in test_check_mtu_tc()
178 	test_check_mtu_run_tc(skel, skel->progs.tc_input_len, mtu);  in test_check_mtu_tc()
179 	test_check_mtu_run_tc(skel, skel->progs.tc_input_len_exceed, mtu);  in test_check_mtu_tc()
192 	if (CHECK(mtu_lo < 0, "reading MTU value", "failed (err:%d)", mtu_lo))  in serial_test_check_mtu()