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Searched refs:mtu_len (Results 1 – 4 of 4) sorted by relevance

/linux/tools/testing/selftests/bpf/progs/
H A Dtest_check_mtu.c25 __u32 mtu_len = 0; in xdp_use_helper_basic()
27 if (bpf_check_mtu(ctx, 0, &mtu_len, 0, 0)) in xdp_use_helper_basic()
37 __u32 mtu_len = 0; in xdp_use_helper()
45 if (bpf_check_mtu(ctx, ifindex, &mtu_len, delta, 0)) { in xdp_use_helper()
46 /* mtu_len is also valid when check fail */ in xdp_use_helper()
51 if (mtu_len != GLOBAL_USER_MTU) in xdp_use_helper()
55 global_bpf_mtu_xdp = mtu_len; in xdp_use_helper()
67 __u32 mtu_len = 0; in xdp_exceed_mtu()
74 err = bpf_check_mtu(ctx, ifindex, &mtu_len, delta, 0); in xdp_exceed_mtu()
81 global_bpf_mtu_xdp = mtu_len; in xdp_exceed_mtu()
24 __u32 mtu_len = 0; xdp_use_helper_basic() local
36 __u32 mtu_len = 0; xdp_use_helper() local
66 __u32 mtu_len = 0; xdp_exceed_mtu() local
92 __u32 mtu_len = 0; xdp_minus_delta() local
123 __u32 mtu_len = data_len - ETH_HLEN; xdp_input_len() local
144 __u32 mtu_len = GLOBAL_USER_MTU; xdp_input_len_exceed() local
160 __u32 mtu_len = 0; tc_use_helper() local
181 __u32 mtu_len = 0; tc_exceed_mtu() local
208 __u32 mtu_len = 0; tc_exceed_mtu_da() local
232 __u32 mtu_len = 0; tc_minus_delta() local
259 __u32 mtu_len = GLOBAL_USER_MTU; tc_input_len() local
280 __u32 mtu_len = GLOBAL_USER_MTU; tc_input_len_exceed() local
[all...]
H A Dtest_cls_redirect.c412 uint32_t mtu_len = 0; in forward_with_gre()
485 if (bpf_check_mtu(skb, skb->ifindex, &mtu_len, delta, 0)) { in forward_with_gre()
414 uint32_t mtu_len = 0; forward_with_gre() local
H A Dtest_cls_redirect_dynptr.c305 uint32_t mtu_len = 0; in forward_with_gre() local
381 if (bpf_check_mtu(skb, skb->ifindex, &mtu_len, delta, 0)) { in forward_with_gre()
/linux/net/core/
H A Dfilter.c6475 u32, ifindex, u32 *, mtu_len, s32, len_diff, u64, flags) in BPF_CALL_5() argument
6483 if (unlikely(flags & BPF_MTU_CHK_SEGS && (len_diff || *mtu_len))) in BPF_CALL_5()
6494 skb_len = *mtu_len ? *mtu_len + dev->hard_header_len : skb->len; in BPF_CALL_5()
6516 *mtu_len = mtu; in BPF_CALL_5()
6521 u32, ifindex, u32 *, mtu_len, s32, len_diff, u64, flags) in BPF_CALL_5() argument
6540 if (*mtu_len) in BPF_CALL_5()
6541 xdp_len = *mtu_len + dev->hard_header_len; in BPF_CALL_5()
6547 *mtu_len = mtu; in BPF_CALL_5()