drivers/net/bareudp.c

587

dev->max_mtu = IP_MAX_MTU - BAREUDP_BASE_HLEN;

drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c

10832

ul_rif->rif_index, ul_rif->vr_id, IP_MAX_MTU);

drivers/net/geneve.c

1700

dev->max_mtu = IP_MAX_MTU - GENEVE_BASE_HLEN - dev->hard_header_len;

drivers/net/geneve.c

2400

err = geneve_change_mtu(dev, IP_MAX_MTU);

drivers/net/ovpn/main.c

155

dev->max_mtu = IP_MAX_MTU - OVPN_HEAD_ROOM;

drivers/net/virtio_net.c

6376

unsigned int packet_len = vi->big_packets ? IP_MAX_MTU : vi->dev->max_mtu;

include/linux/ip.h

57

iph->tot_len = len <= IP_MAX_MTU ? htons(len) : 0;

include/net/ip.h

500

mtu = min_t(unsigned int, mtu, IP_MAX_MTU);

include/net/ip.h

521

mtu = min(READ_ONCE(dst_dev(dst)->mtu), IP_MAX_MTU);

net/ipv4/esp4.c

317

if (len + sizeof(struct iphdr) > IP_MAX_MTU)

net/ipv4/esp4.c

347

if (len > IP_MAX_MTU)

net/ipv4/igmp.c

363

size = min(mtu, IP_MAX_MTU);

net/ipv4/ip_gre.c

1743

err = __ip_tunnel_change_mtu(dev, IP_MAX_MTU, false);

net/ipv4/ip_output.c

981

mtu = cork->gso_size ? IP_MAX_MTU : cork->fragsize;

net/ipv4/ip_output.c

988

maxnonfragsize = ip_sk_ignore_df(sk) ? IP_MAX_MTU : mtu;

net/ipv4/ip_tunnel.c

1058

int max_mtu = IP_MAX_MTU - t_hlen;

net/ipv4/ip_tunnel.c

1224

unsigned int max = IP_MAX_MTU - (nt->hlen + sizeof(struct iphdr));

net/ipv4/ip_tunnel.c

317

mtu = min(tdev->mtu, IP_MAX_MTU);

net/ipv4/ip_tunnel.c

351

dev->max_mtu = IP_MAX_MTU - t_hlen;

net/ipv4/route.c

1435

mtu = min(READ_ONCE(dev->mtu), IP_MAX_MTU);

net/ipv6/esp6.c

377

if (len > IP_MAX_MTU)

net/ipv6/ip6_tunnel.c

1767

if (new_mtu > IP_MAX_MTU - dev->hard_header_len - t_hlen)

net/ipv6/ip6_vti.c

910

dev->max_mtu = IP_MAX_MTU - sizeof(struct ipv6hdr);

net/openvswitch/vport-vxlan.c

83

.mtu = IP_MAX_MTU,

net/xfrm/xfrm_interface_core.c

746

dev->max_mtu = IP_MAX_MTU;

net/xfrm/xfrm_iptfs.c

2506

return x->outer_mode.family == AF_INET ? IP_MAX_MTU : IP6_MAX_MTU;