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* fix return values of l2tp_dfs_seq_open()Al Viro2011-06-051-1/+1
| | | | | | | | | More fallout from struct net lifetime rules review: PTR_ERR() is *already* negative and failing ->open() should return negatives on failure. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: James Chapman <jchapman@katalix.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6Linus Torvalds2011-05-203-27/+56
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6: (1446 commits) macvlan: fix panic if lowerdev in a bond tg3: Add braces around 5906 workaround. tg3: Fix NETIF_F_LOOPBACK error macvlan: remove one synchronize_rcu() call networking: NET_CLS_ROUTE4 depends on INET irda: Fix error propagation in ircomm_lmp_connect_response() irda: Kill set but unused variable 'bytes' in irlan_check_command_param() irda: Kill set but unused variable 'clen' in ircomm_connect_indication() rxrpc: Fix set but unused variable 'usage' in rxrpc_get_transport() be2net: Kill set but unused variable 'req' in lancer_fw_download() irda: Kill set but unused vars 'saddr' and 'daddr' in irlan_provider_connect_indication() atl1c: atl1c_resume() is only used when CONFIG_PM_SLEEP is defined. rxrpc: Fix set but unused variable 'usage' in rxrpc_get_peer(). rxrpc: Kill set but unused variable 'local' in rxrpc_UDP_error_handler() rxrpc: Kill set but unused variable 'sp' in rxrpc_process_connection() rxrpc: Kill set but unused variable 'sp' in rxrpc_rotate_tx_window() pkt_sched: Kill set but unused variable 'protocol' in tc_classify() isdn: capi: Use pr_debug() instead of ifdefs. tg3: Update version to 3.119 tg3: Apply rx_discards fix to 5719/5720 ... Fix up trivial conflicts in arch/x86/Kconfig and net/mac80211/agg-tx.c as per Davem.
| * l2tp: fix potential rcu raceEric Dumazet2011-05-121-6/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | While trying to remove useless synchronize_rcu() calls, I found l2tp is indeed incorrectly using two of such calls, but also bumps tunnel refcount after list insertion. tunnel refcount must be incremented before being made publically visible by rcu readers. This fix can be applied to 2.6.35+ and might need a backport for older kernels, since things were shuffled in commit fd558d186df2c (l2tp: Split pppol2tp patch into separate l2tp and ppp parts) Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> CC: Paul E. McKenney <paulmck@linux.vnet.ibm.com> CC: James Chapman <jchapman@katalix.com> Reviewed-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * inet: Pass flowi to ->queue_xmit().David S. Miller2011-05-092-5/+7
| | | | | | | | | | | | | | | | | | | | | | This allows us to acquire the exact route keying information from the protocol, however that might be managed. It handles all of the possibilities, from the simplest case of storing the key in inet->cork.fl to the more complex setup SCTP has where individual transports determine the flow. Signed-off-by: David S. Miller <davem@davemloft.net>
| * l2tp: Use cork flow in l2tp_ip_connect() and l2tp_ip_sendmsg()David S. Miller2011-05-081-7/+9
| | | | | | | | | | | | | | Now that the socket is consistently locked in these two routines, this transformation is legal. Signed-off-by: David S. Miller <davem@davemloft.net>
| * l2tp: Fix locking in l2tp_core.cDavid S. Miller2011-05-081-0/+8
| | | | | | | | | | | | | | | | | | | | | | | | l2tp_xmit_skb() must take the socket lock. It makes use of ip_queue_xmit() which expects to execute in a socket atomic context. Since we execute this function in software interrupts, we cannot use the usual lock_sock()/release_sock() sequence, instead we have to use bh_lock_sock() and see if a user has the socket locked, and if so drop the packet. Signed-off-by: David S. Miller <davem@davemloft.net>
| * l2tp: Fix locking in l2tp_ip.cDavid S. Miller2011-05-081-4/+15
| | | | | | | | | | | | | | | | Both l2tp_ip_connect() and l2tp_ip_sendmsg() must take the socket lock. They both modify socket state non-atomically, and in particular l2tp_ip_sendmsg() increments socket private counters without using atomic operations. Signed-off-by: David S. Miller <davem@davemloft.net>
| * ipv4: Make caller provide on-stack flow key to ip_route_output_ports().David S. Miller2011-05-041-1/+2
| | | | | | | | Signed-off-by: David S. Miller <davem@davemloft.net>
| * ipv4: Get route daddr from flow key in l2tp_ip_connect().David S. Miller2011-04-291-1/+1
| | | | | | | | | | | | | | | | Now that output route lookups update the flow with destination address selection, we can fetch it from fl4->daddr instead of rt->rt_dst Signed-off-by: David S. Miller <davem@davemloft.net>
| * ipv4: Fetch route saddr from flow key in l2tp_ip_connect().David S. Miller2011-04-291-2/+2
| | | | | | | | | | | | | | | | Now that output route lookups update the flow with source address selection, we can fetch it from fl4->saddr instead of rt->rt_src Signed-off-by: David S. Miller <davem@davemloft.net>
| * l2tp: Fix inet_opt conversion.David S. Miller2011-04-281-2/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | We don't actually hold the socket lock at this point, so the rcu_dereference_protected() isn't' correct. Thanks to Eric Dumazet for pointing this out. Thankfully, we're only interested in fetching the faddr value if srr is enabled, so we can simply make this an RCU sequence and use plain rcu_dereference(). Reported-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * inet: add RCU protection to inet->optEric Dumazet2011-04-281-3/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We lack proper synchronization to manipulate inet->opt ip_options Problem is ip_make_skb() calls ip_setup_cork() and ip_setup_cork() possibly makes a copy of ipc->opt (struct ip_options), without any protection against another thread manipulating inet->opt. Another thread can change inet->opt pointer and free old one under us. Use RCU to protect inet->opt (changed to inet->inet_opt). Instead of handling atomic refcounts, just copy ip_options when necessary, to avoid cache line dirtying. We cant insert an rcu_head in struct ip_options since its included in skb->cb[], so this patch is large because I had to introduce a new ip_options_rcu structure. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Cc: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
| * ipv4: Sanitize and simplify ip_route_{connect,newports}()David S. Miller2011-04-271-4/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | These functions are used together as a unit for route resolution during connect(). They address the chicken-and-egg problem that exists when ports need to be allocated during connect() processing, yet such port allocations require addressing information from the routing code. It's currently more heavy handed than it needs to be, and in particular we allocate and initialize a flow object twice. Let the callers provide the on-stack flow object. That way we only need to initialize it once in the ip_route_connect() call. Later, if ip_route_newports() needs to do anything, it re-uses that flow object as-is except for the ports which it updates before the route re-lookup. Also, describe why this set of facilities are needed and how it works in a big comment. Signed-off-by: David S. Miller <davem@davemloft.net> Reviewed-by: Eric Dumazet <eric.dumazet@gmail.com>
| * l2tp: Fix set-but-unused variables.David S. Miller2011-04-181-1/+2
| | | | | | | | | | | | | | | | | | The variable 'ret' is set but unused in l2tp_nl_register_ops(). This was obviously meant to maintain error codes which are returned to the caller, make it so. Signed-off-by: David S. Miller <davem@davemloft.net>
* | Revert wrong fixes for common misspellingsLucas De Marchi2011-04-271-1/+1
|/ | | | | | | These changes were incorrectly fixed by codespell. They were now manually corrected. Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
* l2tp: fix possible oops on l2tp_eth module unloadJames Chapman2011-03-221-1/+1
| | | | | | | | | | | | | | | | | | | | | | A struct used in the l2tp_eth driver for registering network namespace ops was incorrectly marked as __net_initdata, leading to oops when module unloaded. BUG: unable to handle kernel paging request at ffffffffa00ec098 IP: [<ffffffff8123dbd8>] ops_exit_list+0x7/0x4b PGD 142d067 PUD 1431063 PMD 195da8067 PTE 0 Oops: 0000 [#1] SMP last sysfs file: /sys/module/l2tp_eth/refcnt Call Trace: [<ffffffff8123dc94>] ? unregister_pernet_operations+0x32/0x93 [<ffffffff8123dd20>] ? unregister_pernet_device+0x2b/0x38 [<ffffffff81068b6e>] ? sys_delete_module+0x1b8/0x222 [<ffffffff810c7300>] ? do_munmap+0x254/0x318 [<ffffffff812c64e5>] ? page_fault+0x25/0x30 [<ffffffff812c6952>] ? system_call_fastpath+0x16/0x1b Signed-off-by: James Chapman <jchapman@katalix.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* ipv4: Create and use route lookup helpers.David S. Miller2011-03-131-19/+11
| | | | | | | The idea here is this minimizes the number of places one has to edit in order to make changes to how flows are defined and used. Signed-off-by: David S. Miller <davem@davemloft.net>
* ipv4: Make output route lookup return rtable directly.David S. Miller2011-03-021-3/+5
| | | | | | Instead of on the stack. Signed-off-by: David S. Miller <davem@davemloft.net>
* ipv4: Kill can_sleep arg to ip_route_output_flow()David S. Miller2011-03-011-1/+1
| | | | | | This boolean state is now available in the flow flags. Signed-off-by: David S. Miller <davem@davemloft.net>
* ipv4: Make final arg to ip_route_output_flow to be boolean "can_sleep"David S. Miller2011-03-011-1/+1
| | | | | | Since that is what the current vague "flags" argument means. Signed-off-by: David S. Miller <davem@davemloft.net>
* ipv4: Can final ip_route_connect() arg to boolean "can_sleep".David S. Miller2011-03-011-1/+1
| | | | | | Since that's what the current vague "flags" thing means. Signed-off-by: David S. Miller <davem@davemloft.net>
* Merge branch 'master' of ↵David S. Miller2010-12-081-1/+5
|\ | | | | | | | | | | | | | | master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 Conflicts: drivers/net/wireless/ath/ath9k/ar9003_eeprom.c net/llc/af_llc.c
| * l2tp: Fix modalias of l2tp_ipMichal Marek2010-12-081-1/+5
| | | | | | | | | | | | | | | | | | Using the SOCK_DGRAM enum results in "net-pf-2-proto-SOCK_DGRAM-type-115", so use the numeric value like it is done in net/dccp. Signed-off-by: Michal Marek <mmarek@suse.cz> Signed-off-by: David S. Miller <davem@davemloft.net>
* | net: use the macros defined for the members of flowiChangli Gao2010-11-171-7/+5
|/ | | | | | | Use the macros defined for the members of flowi to clean the code up. Signed-off-by: Changli Gao <xiaosuo@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* l2tp: kzalloc with swapped params in l2tp_dfs_seq_openDr. David Alan Gilbert2010-11-011-1/+1
| | | | | | | | | | | | | 'sparse' spotted that the parameters to kzalloc in l2tp_dfs_seq_open were swapped. Tested on current git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git at 1792f17b7210280a3d7ff29da9614ba779cfcedb build, boots and I can see that directory, but there again I could see /sys/kernel/debug/l2tp with it swapped; I don't have any l2tp in use. Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* l2tp: static functions should not be exportedStephen Rothwell2010-10-251-3/+0
| | | | | | | | | | | | | | Causes these build failures on PowerPC: net/l2tp/l2tp_core.c:1228: error: __ksymtab_l2tp_tunnel_closeall causes a section type conflict net/l2tp/l2tp_core.c:1228: error: __ksymtab_l2tp_tunnel_closeall causes a section type conflict net/l2tp/l2tp_core.c:1006: error: __ksymtab_l2tp_xmit_core causes a section type conflict net/l2tp/l2tp_core.c:1006: error: __ksymtab_l2tp_xmit_core causes a section type conflict net/l2tp/l2tp_core.c:847: error: __ksymtab_l2tp_udp_recv_core causes a section type conflict net/l2tp/l2tp_core.c:847: error: __ksymtab_l2tp_udp_recv_core causes a section type conflict Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* l2tp: make local function staticstephen hemminger2010-10-243-44/+41
| | | | | | | | | Also moved the refcound inlines from l2tp_core.h to l2tp_core.c since only used in that one file. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Acked-by: James Chapman <jchapman@katalix.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* l2tp: small cleanupEric Dumazet2010-10-211-3/+1
| | | | | Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: constify some ppp/pptp structsEric Dumazet2010-09-221-1/+1
| | | | | Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* Merge branch 'master' of ↵David S. Miller2010-09-101-1/+1
|\ | | | | | | | | | | | | master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 Conflicts: net/mac80211/main.c
| * l2tp: test for ethernet header in l2tp_eth_dev_recv()Eric Dumazet2010-08-261-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | close https://bugzilla.kernel.org/show_bug.cgi?id=16529 Before calling dev_forward_skb(), we should make sure skb head contains at least an ethernet header, even if length included in upper layer said so. Use pskb_may_pull() to make sure this ethernet header is present in skb head. Reported-by: Thomas Heil <heil@terminal-consulting.de> Reported-by: Ian Campbell <Ian.Campbell@eu.citrix.com> Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | net: another last_rx roundEric Dumazet2010-09-021-1/+0
|/ | | | | | | Kill last_rx use in l2tp and two net drivers Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* ppp: make channel_ops conststephen hemminger2010-08-051-1/+4
| | | | | | | | The PPP channel ops structure should be const. Cleanup the declarations to use standard C99 format. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* net-next: remove useless union keywordChangli Gao2010-06-111-3/+3
| | | | | | | | | | remove useless union keyword in rtable, rt6_info and dn_route. Since there is only one member in a union, the union keyword isn't useful. Signed-off-by: Changli Gao <xiaosuo@gmail.com> Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* l2tp_eth: fix memory allocationJiri Pirko2010-04-241-28/+1
| | | | | | | | | Since .size is set properly in "struct pernet_operations l2tp_eth_net_ops", allocating space for "struct l2tp_eth_net" by hand is not correct, even causes memory leakage. Signed-off-by: Jiri Pirko <jpirko@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* l2tp: fix memory allocationJiri Pirko2010-04-241-28/+1
| | | | | | | | | Since .size is set properly in "struct pernet_operations l2tp_net_ops", allocating space for "struct l2tp_net" by hand is not correct, even causes memory leakage. Signed-off-by: Jiri Pirko <jpirko@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: replace ipfragok with skb->local_dfShan Wei2010-04-162-2/+3
| | | | | | | | | | | As Herbert Xu said: we should be able to simply replace ipfragok with skb->local_df. commit f88037(sctp: Drop ipfargok in sctp_xmit function) has droped ipfragok and set local_df value properly. The patch kills the ipfragok parameter of .queue_xmit(). Signed-off-by: Shan Wei <shanwei@cn.fujitsu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* net/l2tp/l2tp_debugfs.c: Convert NIPQUAD to %pI4Joe Perches2010-04-161-2/+2
| | | | | | Signed-off-by: Joe Perches <joe@perches.com> Acked-by: James Chapman <jchapman@katalix.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* l2tp: unmanaged L2TPv3 tunnels fixesEric Dumazet2010-04-042-2/+2
| | | | | | | | | | | Followup to commit 789a4a2c (l2tp: Add support for static unmanaged L2TPv3 tunnels) One missing init in l2tp_tunnel_sock_create() could access random kernel memory, and a bit field should be unsigned. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* l2tp: Fix L2TP_DEBUGFS ifdef tests.David S. Miller2010-04-043-5/+5
| | | | | | | We have to check CONFIG_L2TP_DEBUGFS_MODULE as well as CONFIG_L2TP_DEBUGFS. Signed-off-by: David S. Miller <davem@davemloft.net>
* l2tp: Add missing semicolon to MODULE_ALIAS() in l2tp_netlink.cDavid S. Miller2010-04-031-1/+1
| | | | Signed-off-by: David S. Miller <davem@davemloft.net>
* l2tp: Add support for static unmanaged L2TPv3 tunnelsJames Chapman2010-04-033-14/+126
| | | | | | | | | | | | | | | | This patch adds support for static (unmanaged) L2TPv3 tunnels, where the tunnel socket is created by the kernel rather than being created by userspace. This means L2TP tunnels and sessions can be created manually, without needing an L2TP control protocol implemented in userspace. This might be useful where the user wants a simple ethernet over IP tunnel. A patch to iproute2 adds a new command set under "ip l2tp" to make use of this feature. This will be submitted separately. Signed-off-by: James Chapman <jchapman@katalix.com> Reviewed-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* l2tp: Add debugfs files for dumping l2tp debug infoJames Chapman2010-04-036-2/+392
| | | | | | | | | | | | | | | | | | | | The existing pppol2tp driver exports debug info to /proc/net/pppol2tp. Rather than adding info to that file for the new functionality added in this patch series, we add new files in debugfs, leaving the old /proc file for backwards compatibility (L2TPv2 only). Currently only one file is provided: l2tp/tunnels, which lists internal debug info for all l2tp tunnels and sessions. More files may be added later. The info is for debug and problem analysis only - userspace apps should use netlink to obtain status about l2tp tunnels and sessions. Although debugfs does not support net namespaces, the tunnels and sessions dumped in l2tp/tunnels are only those in the net namespace of the process reading the file. Signed-off-by: James Chapman <jchapman@katalix.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* l2tp: Add L2TP ethernet pseudowire supportJames Chapman2010-04-033-0/+372
| | | | | | | | | | | | | | This driver presents a regular net_device for each L2TP ethernet pseudowire instance. These interfaces are named l2tpethN by default, though userspace can specify an alternative name when the L2TP session is created, if preferred. When the pseudowire is established, regular Linux networking utilities may be used to configure the interface, i.e. give it IP address info or add it to a bridge. Any data passed over the interface is carried over an L2TP tunnel. Signed-off-by: James Chapman <jchapman@katalix.com> Reviewed-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* l2tp: Convert rwlock to RCUJames Chapman2010-04-031-36/+42
| | | | | | | | | Reader/write locks are discouraged because they are slower than spin locks. So this patch converts the rwlocks used in the per_net structs to rcu. Signed-off-by: James Chapman <jchapman@katalix.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* l2tp: Add netlink control API for L2TPJames Chapman2010-04-035-44/+1044
| | | | | | | | | | | | | | | | | | | In L2TPv3, we need to create/delete/modify/query L2TP tunnel and session contexts. The number of parameters is significant. So let's use netlink. Userspace uses this API to control L2TP tunnel/session contexts in the kernel. The previous pppol2tp driver was managed using [gs]etsockopt(). This API is retained for backwards compatibility. Unlike L2TPv2 which carries only PPP frames, L2TPv3 can carry raw ethernet frames or other frame types and these do not always have an associated socket family. Therefore, we need a way to use L2TP sessions that doesn't require a socket type for each supported frame type. Hence netlink is used. Signed-off-by: James Chapman <jchapman@katalix.com> Reviewed-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* l2tp: Add L2TPv3 IP encapsulation (no UDP) supportJames Chapman2010-04-036-62/+812
| | | | | | | | | | | | | | This patch adds a new L2TPIP socket family and modifies the core to handle the case where there is no UDP header in the L2TP packet. L2TP/IP uses IP protocol 115. Since L2TP/UDP and L2TP/IP packets differ in layout, the datapath packet handling code needs changes too. Userspace uses an L2TPIP socket instead of a UDP socket when IP encapsulation is required. We can't use raw sockets for this because the semantics of raw sockets don't lend themselves to the socket-per-tunnel model - we need to Signed-off-by: David S. Miller <davem@davemloft.net>
* l2tp: Update PPP-over-L2TP driver to work over L2TPv3James Chapman2010-04-031-46/+74
| | | | | | | | | | | | | | | This patch makes changes to the L2TP PPP code for L2TPv3. The existing code has some assumptions about the L2TP header which are broken by L2TPv3. Also the sockaddr_pppol2tp structure of the original code is too small to support the increased size of the L2TPv3 tunnel and session id, so a new sockaddr_pppol2tpv3 structure is needed. In the socket calls, the size of this structure is used to tell if the operation is for L2TPv2 or L2TPv3. Signed-off-by: James Chapman <jchapman@katalix.com> Reviewed-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* l2tp: Add L2TPv3 protocol supportJames Chapman2010-04-034-148/+484
| | | | | | | | | | | | | | The L2TPv3 protocol changes the layout of the L2TP packet header. Tunnel and session ids change from 16-bit to 32-bit values, data sequence numbers change from 16-bit to 24-bit values and PPP-specific fields are moved into protocol-specific subheaders. Although this patch introduces L2TPv3 protocol support, there are no userspace interfaces to create L2TPv3 sessions yet. Signed-off-by: James Chapman <jchapman@katalix.com> Reviewed-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* l2tp: Add ppp device name to L2TP ppp session dataJames Chapman2010-04-031-0/+4
| | | | | | | | | When dumping L2TP PPP sessions using /proc/net/pppol2tp, get the assigned PPP device name from PPP using ppp_dev_name(). Signed-off-by: James Chapman <jchapman@katalix.com> Reviewed-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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