24 	__u32 mtu_len = 0;  in xdp_use_helper_basic()  local
26 	if (bpf_check_mtu(ctx, 0, &mtu_len, 0, 0))  in xdp_use_helper_basic()
36 	__u32 mtu_len = 0;  in xdp_use_helper()  local
44 	if (bpf_check_mtu(ctx, ifindex, &mtu_len, delta, 0)) {  in xdp_use_helper()
50 	if (mtu_len != GLOBAL_USER_MTU)  in xdp_use_helper()
54 	global_bpf_mtu_xdp = mtu_len;  in xdp_use_helper()
66 	__u32 mtu_len = 0;  in xdp_exceed_mtu()  local
73 	err = bpf_check_mtu(ctx, ifindex, &mtu_len, delta, 0);  in xdp_exceed_mtu()
80 	global_bpf_mtu_xdp = mtu_len;  in xdp_exceed_mtu()
92 	__u32 mtu_len = 0;  in xdp_minus_delta()  local
101 	if (bpf_check_mtu(ctx, ifindex, &mtu_len, delta, 0))  in xdp_minus_delta()
104 	global_bpf_mtu_xdp = mtu_len;  in xdp_minus_delta()
123 	__u32 mtu_len = data_len - ETH_HLEN;  in xdp_input_len()  local
125 	if (bpf_check_mtu(ctx, ifindex, &mtu_len, 0, 0))  in xdp_input_len()
128 	global_bpf_mtu_xdp = mtu_len;  in xdp_input_len()
144 	__u32 mtu_len = GLOBAL_USER_MTU;  in xdp_input_len_exceed()  local
146 	mtu_len += 1; /* Exceed with 1 */  in xdp_input_len_exceed()
148 	err = bpf_check_mtu(ctx, ifindex, &mtu_len, 0, 0);  in xdp_input_len_exceed()
152 	global_bpf_mtu_xdp = mtu_len;  in xdp_input_len_exceed()
160 	__u32 mtu_len = 0;  in tc_use_helper()  local
163 	if (bpf_check_mtu(ctx, 0, &mtu_len, delta, 0)) {  in tc_use_helper()
168 	if (mtu_len != GLOBAL_USER_MTU)  in tc_use_helper()
171 	global_bpf_mtu_tc = mtu_len;  in tc_use_helper()
181 	__u32 mtu_len = 0;  in tc_exceed_mtu()  local
188 	err = bpf_check_mtu(ctx, ifindex, &mtu_len, delta, 0);  in tc_exceed_mtu()
195 	global_bpf_mtu_tc = mtu_len;  in tc_exceed_mtu()
208 	__u32 mtu_len = 0;  in tc_exceed_mtu_da()  local
215 	err = bpf_check_mtu(ctx, ifindex, &mtu_len, delta, 0);  in tc_exceed_mtu_da()
222 	global_bpf_mtu_tc = mtu_len;  in tc_exceed_mtu_da()
232 	__u32 mtu_len = 0;  in tc_minus_delta()  local
241 	if (bpf_check_mtu(ctx, ifindex, &mtu_len, delta, 0))  in tc_minus_delta()
244 	global_bpf_mtu_xdp = mtu_len;  in tc_minus_delta()
259 	__u32 mtu_len = GLOBAL_USER_MTU;  in tc_input_len()  local
261 	if (bpf_check_mtu(ctx, ifindex, &mtu_len, 0, 0))  in tc_input_len()
264 	global_bpf_mtu_xdp = mtu_len;  in tc_input_len()
280 	__u32 mtu_len = GLOBAL_USER_MTU;  in tc_input_len_exceed()  local
282 	mtu_len += 1; /* Exceed with 1 */  in tc_input_len_exceed()
284 	err = bpf_check_mtu(ctx, ifindex, &mtu_len, 0, 0);  in tc_input_len_exceed()
288 	global_bpf_mtu_xdp = mtu_len;  in tc_input_len_exceed()