18 	const char *filename = "/sys/class/net/lo/mtu";  in read_mtu_device_lo()
105 	/* Extract MTU that BPF-prog got */  in test_check_mtu_run_xdp()
107 	ASSERT_EQ(mtu_result, mtu_expect, "MTU-compare-user");  in test_check_mtu_run_xdp()
111 static void test_check_mtu_xdp(__u32 mtu, __u32 ifindex)  in test_check_mtu_xdp()  argument
121 	skel->rodata->GLOBAL_USER_MTU = mtu;  in test_check_mtu_xdp()
128 	test_check_mtu_run_xdp(skel, skel->progs.xdp_use_helper, mtu);  in test_check_mtu_xdp()
129 	test_check_mtu_run_xdp(skel, skel->progs.xdp_exceed_mtu, mtu);  in test_check_mtu_xdp()
130 	test_check_mtu_run_xdp(skel, skel->progs.xdp_minus_delta, mtu);  in test_check_mtu_xdp()
131 	test_check_mtu_run_xdp(skel, skel->progs.xdp_input_len, mtu);  in test_check_mtu_xdp()
132 	test_check_mtu_run_xdp(skel, skel->progs.xdp_input_len_exceed, mtu);  in test_check_mtu_xdp()
165 	/* Extract MTU that BPF-prog got */  in test_check_mtu_run_tc()
167 	ASSERT_EQ(mtu_result, mtu_expect, "MTU-compare-user");  in test_check_mtu_run_tc()
171 static void test_check_mtu_tc(__u32 mtu, __u32 ifindex)  in test_check_mtu_tc()  argument
181 	skel->rodata->GLOBAL_USER_MTU = mtu;  in test_check_mtu_tc()
188 	test_check_mtu_run_tc(skel, skel->progs.tc_use_helper, mtu);  in test_check_mtu_tc()
189 	test_check_mtu_run_tc(skel, skel->progs.tc_exceed_mtu, mtu);  in test_check_mtu_tc()
190 	test_check_mtu_run_tc(skel, skel->progs.tc_exceed_mtu_da, mtu);  in test_check_mtu_tc()
191 	test_check_mtu_run_tc(skel, skel->progs.tc_minus_delta, mtu);  in test_check_mtu_tc()
192 	test_check_mtu_run_tc(skel, skel->progs.tc_input_len, mtu);  in test_check_mtu_tc()
193 	test_check_mtu_run_tc(skel, skel->progs.tc_input_len_exceed, mtu);  in test_check_mtu_tc()
206 	if (CHECK(mtu_lo < 0, "reading MTU value", "failed (err:%d)", mtu_lo))  in test_check_mtu()