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Searched refs:mtu_len (Results 1 – 3 of 3) sorted by relevance

/Linux-v5.15/tools/testing/selftests/bpf/progs/
Dtest_check_mtu.c24 __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
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Dtest_cls_redirect.c411 uint32_t mtu_len = 0; in forward_with_gre() local
484 if (bpf_check_mtu(skb, skb->ifindex, &mtu_len, delta, 0)) { in forward_with_gre()
/Linux-v5.15/net/core/
Dfilter.c5715 u32, ifindex, u32 *, mtu_len, s32, len_diff, u64, flags) in BPF_CALL_5() argument
5725 if (unlikely(flags & BPF_MTU_CHK_SEGS && (len_diff || *mtu_len))) in BPF_CALL_5()
5737 skb_len = *mtu_len ? *mtu_len + dev->hard_header_len : skb->len; in BPF_CALL_5()
5758 *mtu_len = mtu; in BPF_CALL_5()
5764 u32, ifindex, u32 *, mtu_len, s32, len_diff, u64, flags) in BPF_CALL_5() argument
5785 if (*mtu_len) in BPF_CALL_5()
5786 xdp_len = *mtu_len + dev->hard_header_len; in BPF_CALL_5()
5793 *mtu_len = mtu; in BPF_CALL_5()