| /linux/include/uapi/linux/ |
| H A D | ipv6.h | 13 #define IPV6_MIN_MTU 1280 macro
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| /linux/net/6lowpan/ |
| H A D | core.c | 32 dev->mtu = IPV6_MIN_MTU; in lowpan_register_netdevice()
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| /linux/net/ipv6/ |
| H A D | sit.c | 973 if (mtu < IPV6_MIN_MTU) { in ipip6_tunnel_xmit()
974 mtu = IPV6_MIN_MTU; in ipip6_tunnel_xmit()
1125 if (mtu < IPV6_MIN_MTU) in ipip6_tunnel_bind_dev()
1126 mtu = IPV6_MIN_MTU; in ipip6_tunnel_bind_dev()
1427 dev->min_mtu = IPV6_MIN_MTU; in ipip6_tunnel_setup()
1581 if (mtu >= IPV6_MIN_MTU && in ipip6_newlink()
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| H A D | ip6_tunnel.c | 532 if (mtu < IPV6_MIN_MTU) in ip6_tnl_err()
533 mtu = IPV6_MIN_MTU; in ip6_tnl_err()
1201 IPV6_MIN_MTU : IPV4_MIN_MTU); in ip6_tnl_xmit()
1525 if (mtu < IPV6_MIN_MTU) in ip6_tnl_link_config()
1526 mtu = IPV6_MIN_MTU; in ip6_tnl_link_config()
1757 if (new_mtu < IPV6_MIN_MTU) in ip6_tnl_change_mtu()
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| H A D | netfilter.c | 149 frag_max_size < IPV6_MIN_MTU) in br_ip6_fragment()
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| H A D | ip6_output.c | 640 if (mtu < IPV6_MIN_MTU) in ip6_forward()
641 mtu = IPV6_MIN_MTU; in ip6_forward()
897 if (mtu < IPV6_MIN_MTU) in ip6_fragment()
898 mtu = IPV6_MIN_MTU; in ip6_fragment()
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| H A D | ip6_vti.c | 514 if (mtu < IPV6_MIN_MTU) in vti6_xmit()
515 mtu = IPV6_MIN_MTU; in vti6_xmit()
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| H A D | addrconf.c | 183 .mtu6 = IPV6_MIN_MTU,
248 .mtu6 = IPV6_MIN_MTU,
384 if (dev->mtu < IPV6_MIN_MTU && dev != blackhole_netdev) in ipv6_add_dev()
3653 if (!idev && dev->mtu >= IPV6_MIN_MTU) { in addrconf_notify()
3662 if (dev->mtu < IPV6_MIN_MTU) { in addrconf_notify()
3707 if (!idev && dev->mtu >= IPV6_MIN_MTU) in addrconf_notify()
3759 dev->mtu >= IPV6_MIN_MTU) { in addrconf_notify()
3770 if (dev->mtu < IPV6_MIN_MTU) in addrconf_notify()
6360 int min_mtu = IPV6_MIN_MTU; in addrconf_sysctl_mtu()
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| H A D | tcp_ipv6.c | 307 tp->rx_opt.mss_clamp = IPV6_MIN_MTU - sizeof(struct tcphdr) - sizeof(struct ipv6hdr); in tcp_v6_connect()
470 if (mtu < IPV6_MIN_MTU) in tcp_v6_err()
803 .mss_clamp = IPV6_MIN_MTU - sizeof(struct tcphdr) -
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| H A D | ndisc.c | 1566 if (mtu < IPV6_MIN_MTU || mtu > skb->dev->mtu) { in ndisc_router_discovery()
1738 IPV6_MIN_MTU - sizeof(struct ipv6hdr) - sizeof(*msg) - optlen, in ndisc_send_redirect()
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| H A D | ip6_gre.c | 1155 if (mtu < IPV6_MIN_MTU) in ip6gre_tnl_link_config_route()
1156 mtu = IPV6_MIN_MTU; in ip6gre_tnl_link_config_route()
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| H A D | ipv6_sockglue.c | 429 if (val && val < IPV6_MIN_MTU) in do_ipv6_setsockopt()
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| /linux/net/xfrm/ |
| H A D | xfrm_output.c | 275 bool small_ipv6 = (skb->protocol == htons(ETH_P_IPV6)) && (skb->len <= IPV6_MIN_MTU); in xfrm4_tunnel_encap_add()
893 if (mtu < IPV6_MIN_MTU) in xfrm6_tunnel_check_size()
894 mtu = IPV6_MIN_MTU; in xfrm6_tunnel_check_size()
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| H A D | xfrm_interface_core.c | 485 if (mtu < IPV6_MIN_MTU) in xfrmi_xmit2()
486 mtu = IPV6_MIN_MTU; in xfrmi_xmit2()
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| /linux/net/ipv4/ |
| H A D | ip_vti.c | 249 if (mtu < IPV6_MIN_MTU) in vti_xmit()
250 mtu = IPV6_MIN_MTU; in vti_xmit()
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| H A D | ip_tunnel_core.c | 328 err = pskb_trim(skb, IPV6_MIN_MTU - sizeof(*nip6h) - sizeof(*icmp6h)); in iptunnel_pmtud_build_icmpv6()
386 if (mtu < IPV6_MIN_MTU) in iptunnel_pmtud_check_icmpv6()
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| H A D | ip_tunnel.c | 553 mtu >= IPV6_MIN_MTU) { in tnl_update_pmtu()
561 if (!skb_is_gso(skb) && mtu >= IPV6_MIN_MTU && in tnl_update_pmtu()
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| /linux/net/ieee802154/6lowpan/ |
| H A D | tx.c | 258 WARN_ON_ONCE(skb->len > IPV6_MIN_MTU); in lowpan_xmit()
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| H A D | reassembly.c | 302 if (cb->d_size > IPV6_MIN_MTU) { in lowpan_frag_rcv()
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| /linux/include/net/ |
| H A D | ip6_route.h | 344 mtu = IPV6_MIN_MTU; in ip6_dst_mtu_maybe_forward()
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| /linux/net/batman-adv/ |
| H A D | multicast.c | 256 if (hard_iface->net_dev->mtu < IPV6_MIN_MTU) { in batadv_mcast_mla_forw_flags_get()
1203 skb->len + mcast_hdrlen <= IPV6_MIN_MTU && in batadv_mcast_forw_mode_by_count()
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| H A D | multicast_forw.c | 1090 int hdr_size = VLAN_ETH_HLEN + IPV6_MIN_MTU - skb->len; in batadv_mcast_forw_expand_head()
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| /linux/net/netfilter/ipvs/ |
| H A D | ip_vs_xmit.c | 579 if (mtu < IPV6_MIN_MTU) { in __ip_vs_get_out_rt_v6()
581 IPV6_MIN_MTU); in __ip_vs_get_out_rt_v6()
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| /linux/drivers/net/ethernet/meta/fbnic/ |
| H A D | fbnic_netdev.c | 810 netdev->min_mtu = IPV6_MIN_MTU; in fbnic_netdev_alloc()
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| /linux/net/netfilter/ |
| H A D | nf_flow_table_ip.c | 680 mtu = max(mtu, IPV6_MIN_MTU); in nf_flow_tunnel_ip6ip6_push()
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