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22a59be8b7
linux/net
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Philip Prindeville 22a59be8b7 net: ipv4: Add ability to have GRE ignore DF bit in IPv4 payloads 
In the presence of firewalls which improperly block ICMP Unreachable
    (including Fragmentation Required) messages, Path MTU Discovery is
    prevented from working.

    A workaround is to handle IPv4 payloads opaquely, ignoring the DF bit--as
    is done for other payloads like AppleTalk--and doing transparent
    fragmentation and reassembly.

    Redux includes the enforcement of mutual exclusion between this feature
    and Path MTU Discovery as suggested by Alexander Duyck.

    Cc: Alexander Duyck <alexander.duyck@gmail.com>
    Reviewed-by: Stephen Hemminger <stephen@networkplumber.org>
    Signed-off-by: Philip Prindeville <philipp@redfish-solutions.com>

Signed-off-by: David S. Miller <davem@davemloft.net>
2016-06-15 21:39:59 -07:00
..
6lowpan 6lowpan: add support for 802.15.4 short addr handling 2016-06-15 20:41:24 -07:00
9p remove lots of IS_ERR_VALUE abuses 2016-05-27 15:26:11 -07:00
802
8021q vlan: Propagate MAC address to VLANs 2016-05-31 11:56:48 -07:00
appletalk appletalk: fix erroneous return value 2016-02-18 14:59:34 -05:00
atm net/atm: sk_err_soft must be positive 2016-05-23 13:51:10 -07:00
ax25 ax25: add link layer header validation function 2016-03-09 22:13:01 -05:00
batman-adv sched: remove NET_XMIT_POLICED 2016-06-12 22:02:11 -04:00
bluetooth net: add netdev_lockdep_set_classes() helper 2016-06-09 13:28:37 -07:00
bridge bridge: Don't insert unnecessary local fdb entry on changing mac address 2016-06-08 00:31:38 -07:00
caif net: caif: fix misleading indentation 2016-03-14 13:09:50 -04:00
can sock: enable timestamping using control messages 2016-04-04 15:50:30 -04:00
ceph libceph: use %s instead of %pE in dout()s 2016-05-30 23:00:23 +02:00
core net_sched: add the ability to defer skb freeing 2016-06-15 14:08:34 -07:00
dcb
dccp dccp: do not assume DCCP code is non preemptible 2016-05-02 17:02:25 -04:00
decnet decnet: Do not build routes to devices without decnet private data. 2016-04-10 23:01:30 -04:00
dns_resolver KEYS: Add a facility to restrict new links into a keyring 2016-04-11 22:37:37 +01:00
dsa net: dsa: Initialize CPU port ethtool ops per tree 2016-06-08 11:23:42 -07:00
ethernet eth: Pull header from first fragment via eth_get_headlen 2016-02-24 13:58:05 -05:00
hsr net/hsr: Use setup_timer and mod_timer. 2016-05-16 14:00:43 -04:00
ieee802154 6lowpan: add support for 802.15.4 short addr handling 2016-06-15 20:41:24 -07:00
ipv4 net: ipv4: Add ability to have GRE ignore DF bit in IPv4 payloads 2016-06-15 21:39:59 -07:00
ipv6 ipv6: export several functions 2016-06-15 20:41:23 -07:00
ipx
irda TTY and Serial driver update for 4.7-rc1 2016-05-20 20:57:27 -07:00
iucv af_iucv: use paged SKBs for big inbound messages 2016-06-15 12:21:05 -07:00
kcm kcm: fix a signedness in kcm_splice_read() 2016-05-19 11:26:51 -07:00
key
l2tp ipv6: use TOS marks from sockets for routing decision 2016-06-11 15:33:26 -07:00
l3mdev net: l3mdev: Remove const from flowi6 arg to get_rt6_dst 2016-06-15 12:34:34 -07:00
lapb net/lapb: tuse %*ph to dump buffers 2016-05-29 22:33:25 -07:00
llc Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-05-09 15:59:24 -04:00
mac80211 For the next cycle, we have the following: 2016-06-10 23:13:32 -07:00
mac802154 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2016-03-19 10:05:34 -07:00
mpls skbuff: introduce skb_gso_validate_mtu 2016-06-03 19:37:21 -04:00
netfilter Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-06-10 11:52:24 -07:00
netlabel netlabel: fix a problem with netlbl_secattr_catmap_setrng() 2016-04-05 16:10:47 -04:00
netlink net/netlink/af_netlink.h: Remove unused structure. 2016-06-09 22:26:24 -07:00
netrom
nfc nfc: nci: Add nci_nfcc_loopback to the nci core 2016-05-04 01:48:16 +02:00
openvswitch openvswitch: Add packet truncation support. 2016-06-10 17:58:03 -07:00
packet packet: use common code for virtio_net_hdr and skb GSO conversion 2016-06-10 23:03:56 -07:00
phonet sock: struct proto hash function may error 2016-02-11 03:54:14 -05:00
qrtr Merge tag 'qcom-soc-for-4.7-2' into net-next 2016-05-17 14:11:19 -04:00
rds RDS: Update rds_conn_destroy to be MP capable 2016-06-14 23:50:44 -07:00
rfkill rfkill: Use switch to demux userspace operations 2016-04-05 10:48:53 +02:00
rose
rxrpc rxrpc: Update the comments in ar-internal.h to reflect renames 2016-06-13 13:38:51 +01:00
sched net_sched: sch_fq: defer skb freeing 2016-06-15 14:08:36 -07:00
sctp sctp: fix error return code in sctp_init() 2016-06-14 23:45:42 -07:00
sunrpc NFS client updates for Linux 4.7 2016-05-26 10:33:33 -07:00
switchdev switchdev: pass pointer to fib_info instead of copy 2016-05-17 13:58:49 -04:00
tipc tipc: add neighbor monitoring framework 2016-06-15 14:06:28 -07:00
unix constify security_path_{mkdir,mknod,symlink} 2016-03-28 00:47:27 -04:00
vmw_vsock Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-05-09 15:59:24 -04:00
wimax
wireless For the next cycle, we have the following: 2016-06-10 23:13:32 -07:00
x25 net: fix a kernel infoleak in x25 module 2016-05-09 22:45:33 -04:00
xfrm Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-05-09 15:59:24 -04:00
compat.c packet: compat support for sock_fprog 2016-06-09 23:41:03 -07:00
Kconfig bpf: add generic constant blinding for use in jits 2016-05-16 13:49:32 -04:00
Makefile net: Add Qualcomm IPC router 2016-05-08 23:46:14 -04:00
socket.c fs: poll/select/recvmmsg: use timespec64 for timeout events 2016-05-19 19:12:14 -07:00
sysctl_net.c