Guillaume Nault 789141b215 l2tp: simplify MTU handling in l2tp_ppp ... The value of the session's .mtu field, as defined by pppol2tp_connect() or pppol2tp_session_create(), is later overwritten by pppol2tp_session_init() (unless getting the tunnel's socket PMTU fails). This field is then only used when setting the PPP channel's MTU in pppol2tp_connect(). Furthermore, the SIOC[GS]IFMTU ioctls only act on the session's .mtu without propagating this value to the PPP channel, making them useless. This patch initialises the PPP channel's MTU directly and ignores the session's .mtu entirely. MTU is still computed by subtracting the PPPOL2TP_HEADER_OVERHEAD constant. It is not optimal, but that doesn't really matter: po->chan.mtu is only used when the channel is part of a multilink PPP bundle. Running multilink PPP over packet switched networks is certainly not going to be efficient, so not picking the best MTU does not harm (in the worst case, packets will just be fragmented by the underlay). The SIOC[GS]IFMTU ioctls are removed entirely (as opposed to simply ignored), because these ioctls commands are part of the requests that should be handled generically by the socket layer. PX_PROTO_OL2TP was the only socket type abusing these ioctls. Signed-off-by: Guillaume Nault <g.nault@alphalink.fr> Signed-off-by: David S. Miller <davem@davemloft.net>		2018-08-03 10:03:57 -07:00
..
6lowpan
9p	net/9p/client.c: put refcount of trans_mod in error case in parse_opts()	2018-07-14 11:11:09 -07:00
802
8021q	net: remove blank lines at end of file	2018-07-24 14:10:43 -07:00
appletalk	Revert changes to convert to ->poll_mask() and aio IOCB_CMD_POLL	2018-06-28 10:40:47 -07:00
atm	net: simplify sock_poll_wait	2018-07-30 09:10:25 -07:00
ax25	ax25: remove blank line at EOF	2018-07-24 14:10:42 -07:00
batman-adv	Merge ra.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux	2018-07-20 21:17:12 -07:00
bluetooth	Revert changes to convert to ->poll_mask() and aio IOCB_CMD_POLL	2018-06-28 10:40:47 -07:00
bpf	bpf: fix panic due to oob in bpf_prog_test_run_skb	2018-07-11 16:10:57 -07:00
bpfilter	bpfilter: remove trailing newline	2018-07-24 14:10:42 -07:00
bridge	net: bridge: add support for backup port	2018-07-23 09:32:15 -07:00
caif	net: simplify sock_poll_wait	2018-07-30 09:10:25 -07:00
can	Revert changes to convert to ->poll_mask() and aio IOCB_CMD_POLL	2018-06-28 10:40:47 -07:00
ceph	The main piece is a set of libceph changes that revamps how OSD	2018-06-15 07:24:58 +09:00
core	net/socket: remove duplicated init code	2018-08-02 14:47:49 -07:00
dcb	net: dcb: Add priority-to-DSCP map getters	2018-07-27 13:17:50 -07:00
dccp	net: simplify sock_poll_wait	2018-07-30 09:10:25 -07:00
decnet	decnet: whitespace fixes	2018-07-24 14:10:42 -07:00
dns_resolver	net: remove blank lines at end of file	2018-07-24 14:10:43 -07:00
dsa	Merge ra.kernel.org:/pub/scm/linux/kernel/git/davem/net	2018-08-02 10:55:32 -07:00
ethernet	net: Convert GRO SKB handling to list_head.	2018-06-26 11:33:04 +09:00
hsr
ieee802154	net: remove blank lines at end of file	2018-07-24 14:10:43 -07:00
ife	net: sched: ife: check on metadata length	2018-04-22 21:12:00 -04:00
ipv4	Merge ra.kernel.org:/pub/scm/linux/kernel/git/davem/net	2018-08-02 10:55:32 -07:00
ipv6	Merge ra.kernel.org:/pub/scm/linux/kernel/git/davem/net	2018-08-02 10:55:32 -07:00
iucv	net: simplify sock_poll_wait	2018-07-30 09:10:25 -07:00
kcm	net: remove blank lines at end of file	2018-07-24 14:10:43 -07:00
key	Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec-next	2018-07-27 09:33:37 -07:00
l2tp	l2tp: simplify MTU handling in l2tp_ppp	2018-08-03 10:03:57 -07:00
l3mdev
lapb
llc	llc: fix whitespace issues	2018-07-24 14:10:42 -07:00
mac80211	Merge ra.kernel.org:/pub/scm/linux/kernel/git/davem/net	2018-07-24 19:21:58 -07:00
mac802154	net/mac802154: disambiguate mac80215 vs mac802154 trace events	2018-03-28 22:55:18 +02:00
mpls	mpls: remove trailing whitepace	2018-07-24 14:10:42 -07:00
ncsi	net/ncsi: Use netdev_dbg for debug messages	2018-06-20 07:26:58 +09:00
netfilter	Merge ra.kernel.org:/pub/scm/linux/kernel/git/davem/net	2018-07-24 19:21:58 -07:00
netlabel	audit: use inline function to get audit context	2018-05-14 17:24:18 -04:00
netlink	Merge ra.kernel.org:/pub/scm/linux/kernel/git/davem/net	2018-08-02 10:55:32 -07:00
netrom	Revert changes to convert to ->poll_mask() and aio IOCB_CMD_POLL	2018-06-28 10:40:47 -07:00
nfc	net: simplify sock_poll_wait	2018-07-30 09:10:25 -07:00
nsh	nsh: set mac len based on inner packet	2018-07-12 16:55:29 -07:00
openvswitch	Merge ra.kernel.org:/pub/scm/linux/kernel/git/davem/net	2018-08-02 10:55:32 -07:00
packet	Merge ra.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux	2018-07-20 21:17:12 -07:00
phonet	Revert changes to convert to ->poll_mask() and aio IOCB_CMD_POLL	2018-06-28 10:40:47 -07:00
psample
qrtr	net: qrtr: Reset the node and port ID of broadcast messages	2018-07-05 20:20:03 +09:00
rds	Merge ra.kernel.org:/pub/scm/linux/kernel/git/davem/net	2018-08-02 10:55:32 -07:00
rfkill	rfkill: Create rfkill-none LED trigger	2018-05-23 11:26:45 +02:00
rose	Revert changes to convert to ->poll_mask() and aio IOCB_CMD_POLL	2018-06-28 10:40:47 -07:00
rxrpc	rxrpc: Reuse SKCIPHER_REQUEST_ON_STACK buffer	2018-08-03 09:48:12 -07:00
sched	net: sched: fix flush on non-existing chain	2018-08-03 09:44:37 -07:00
sctp	sctp: whitespace fixes	2018-07-24 14:10:42 -07:00
smc	net: simplify sock_poll_wait	2018-07-30 09:10:25 -07:00
strparser	strparser: remove redundant variable 'rd_desc'	2018-08-01 10:00:06 -07:00
sunrpc	NFS client bugfixes for Linux 4.18	2018-06-22 06:21:34 +09:00
switchdev
tipc	net/tipc: remove redundant variables 'tn' and 'oport'	2018-08-01 09:46:49 -07:00
tls	net/tls: Use kmemdup to simplify the code	2018-08-01 09:47:47 -07:00
unix	net: simplify sock_poll_wait	2018-07-30 09:10:25 -07:00
vmw_vsock	Revert changes to convert to ->poll_mask() and aio IOCB_CMD_POLL	2018-06-28 10:40:47 -07:00
wimax	wimax: remove blank lines at EOF	2018-07-24 14:10:42 -07:00
wireless	Merge ra.kernel.org:/pub/scm/linux/kernel/git/davem/net	2018-07-24 19:21:58 -07:00
x25	x25: remove blank lines at EOF	2018-07-24 14:10:42 -07:00
xdp	Merge ra.kernel.org:/pub/scm/linux/kernel/git/davem/net	2018-08-02 10:55:32 -07:00
xfrm	Merge ra.kernel.org:/pub/scm/linux/kernel/git/davem/net	2018-08-02 10:55:32 -07:00
compat.c	net: support compat 64-bit time in {s,g}etsockopt	2018-04-27 19:46:06 -04:00
Kconfig	net: remove blank lines at end of file	2018-07-24 14:10:43 -07:00
Makefile	bpfilter: check compiler capability in Kconfig	2018-06-28 13:36:39 +09:00
socket.c	Merge ra.kernel.org:/pub/scm/linux/kernel/git/davem/net	2018-08-02 10:55:32 -07:00
sysctl_net.c	net: Drop pernet_operations::async	2018-03-27 13:18:09 -04:00