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Searched refs:IPV6_MIN_MTU (Results 1 – 25 of 30) sorted by relevance

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/linux-6.15/include/uapi/linux/
H A Dipv6.h13 #define IPV6_MIN_MTU 1280 macro
/linux-6.15/net/6lowpan/
H A Dcore.c32 dev->mtu = IPV6_MIN_MTU; in lowpan_register_netdevice()
/linux-6.15/net/xfrm/
H A Dxfrm_output.c275 bool small_ipv6 = (skb->protocol == htons(ETH_P_IPV6)) && (skb->len <= IPV6_MIN_MTU); in xfrm4_tunnel_encap_add()
889 if (mtu < IPV6_MIN_MTU) in xfrm6_tunnel_check_size()
890 mtu = IPV6_MIN_MTU; in xfrm6_tunnel_check_size()
H A Dxfrm_interface_core.c485 if (mtu < IPV6_MIN_MTU) in xfrmi_xmit2()
486 mtu = IPV6_MIN_MTU; in xfrmi_xmit2()
/linux-6.15/net/ipv6/
H A Dsit.c981 if (mtu < IPV6_MIN_MTU) { in ipip6_tunnel_xmit()
982 mtu = IPV6_MIN_MTU; in ipip6_tunnel_xmit()
1133 if (mtu < IPV6_MIN_MTU) in ipip6_tunnel_bind_dev()
1134 mtu = IPV6_MIN_MTU; in ipip6_tunnel_bind_dev()
1435 dev->min_mtu = IPV6_MIN_MTU; in ipip6_tunnel_setup()
1589 if (mtu >= IPV6_MIN_MTU && in ipip6_newlink()
H A Dnetfilter.c146 frag_max_size < IPV6_MIN_MTU) in br_ip6_fragment()
H A Dip6_tunnel.c532 if (mtu < IPV6_MIN_MTU) in ip6_tnl_err()
533 mtu = IPV6_MIN_MTU; in ip6_tnl_err()
1196 IPV6_MIN_MTU : IPV4_MIN_MTU); in ip6_tnl_xmit()
1521 if (mtu < IPV6_MIN_MTU) in ip6_tnl_link_config()
1522 mtu = IPV6_MIN_MTU; in ip6_tnl_link_config()
1742 if (new_mtu < IPV6_MIN_MTU) in ip6_tnl_change_mtu()
H A Dip6_output.c642 if (mtu < IPV6_MIN_MTU) in ip6_forward()
643 mtu = IPV6_MIN_MTU; in ip6_forward()
899 if (mtu < IPV6_MIN_MTU) in ip6_fragment()
900 mtu = IPV6_MIN_MTU; in ip6_fragment()
H A Dip6_vti.c514 if (mtu < IPV6_MIN_MTU) in vti6_xmit()
515 mtu = IPV6_MIN_MTU; in vti6_xmit()
H A Daddrconf.c183 .mtu6 = IPV6_MIN_MTU,
247 .mtu6 = IPV6_MIN_MTU,
383 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()
6359 int min_mtu = IPV6_MIN_MTU; in addrconf_sysctl_mtu()
H A Dtcp_ipv6.c306 tp->rx_opt.mss_clamp = IPV6_MIN_MTU - sizeof(struct tcphdr) - sizeof(struct ipv6hdr); in tcp_v6_connect()
467 if (mtu < IPV6_MIN_MTU) in tcp_v6_err()
844 .mss_clamp = IPV6_MIN_MTU - sizeof(struct tcphdr) -
H A Dndisc.c1588 if (mtu < IPV6_MIN_MTU || mtu > skb->dev->mtu) { in ndisc_router_discovery()
1766 IPV6_MIN_MTU - sizeof(struct ipv6hdr) - sizeof(*msg) - optlen, in ndisc_send_redirect()
H A Dicmp.c615 len = min_t(unsigned int, len, IPV6_MIN_MTU - sizeof(struct ipv6hdr) - sizeof(struct icmp6hdr)); in icmp6_send()
H A Dip6_gre.c1183 if (mtu < IPV6_MIN_MTU) in ip6gre_tnl_link_config_route()
1184 mtu = IPV6_MIN_MTU; in ip6gre_tnl_link_config_route()
H A Dipv6_sockglue.c446 if (val && val < IPV6_MIN_MTU) in do_ipv6_setsockopt()
/linux-6.15/net/ipv4/
H A Dip_vti.c249 if (mtu < IPV6_MIN_MTU) in vti_xmit()
250 mtu = IPV6_MIN_MTU; in vti_xmit()
H A Dip_tunnel_core.c305 err = pskb_trim(skb, IPV6_MIN_MTU - sizeof(*nip6h) - sizeof(*icmp6h)); in iptunnel_pmtud_build_icmpv6()
363 if (mtu < IPV6_MIN_MTU) in iptunnel_pmtud_check_icmpv6()
H A Dip_tunnel.c553 mtu >= IPV6_MIN_MTU) { in tnl_update_pmtu()
561 if (!skb_is_gso(skb) && mtu >= IPV6_MIN_MTU && in tnl_update_pmtu()
/linux-6.15/net/ieee802154/6lowpan/
H A Dtx.c258 WARN_ON_ONCE(skb->len > IPV6_MIN_MTU); in lowpan_xmit()
H A Dreassembly.c302 if (cb->d_size > IPV6_MIN_MTU) { in lowpan_frag_rcv()
/linux-6.15/include/net/
H A Dip6_route.h338 mtu = IPV6_MIN_MTU; in ip6_dst_mtu_maybe_forward()
/linux-6.15/net/batman-adv/
H A Dmulticast.c258 if (hard_iface->net_dev->mtu < IPV6_MIN_MTU) { in batadv_mcast_mla_forw_flags_get()
1205 skb->len + mcast_hdrlen <= IPV6_MIN_MTU && in batadv_mcast_forw_mode_by_count()
H A Dmulticast_forw.c1090 int hdr_size = VLAN_ETH_HLEN + IPV6_MIN_MTU - skb->len; in batadv_mcast_forw_expand_head()
/linux-6.15/net/netfilter/ipvs/
H A Dip_vs_xmit.c551 if (mtu < IPV6_MIN_MTU) { in __ip_vs_get_out_rt_v6()
553 IPV6_MIN_MTU); in __ip_vs_get_out_rt_v6()
/linux-6.15/drivers/net/ethernet/meta/fbnic/
H A Dfbnic_netdev.c686 netdev->min_mtu = IPV6_MIN_MTU; in fbnic_netdev_alloc()

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