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2010-09-09udp: add rehash on connect()Eric Dumazet
commit 30fff923 introduced in linux-2.6.33 (udp: bind() optimisation) added a secondary hash on UDP, hashed on (local addr, local port). Problem is that following sequence : fd = socket(...) connect(fd, &remote, ...) not only selects remote end point (address and port), but also sets local address, while UDP stack stored in secondary hash table the socket while its local address was INADDR_ANY (or ipv6 equivalent) Sequence is : - autobind() : choose a random local port, insert socket in hash tables [while local address is INADDR_ANY] - connect() : set remote address and port, change local address to IP given by a route lookup. When an incoming UDP frame comes, if more than 10 sockets are found in primary hash table, we switch to secondary table, and fail to find socket because its local address changed. One solution to this problem is to rehash datagram socket if needed. We add a new rehash(struct socket *) method in "struct proto", and implement this method for UDP v4 & v6, using a common helper. This rehashing only takes care of secondary hash table, since primary hash (based on local port only) is not changed. Reported-by: Krzysztof Piotr Oledzki <ole@ans.pl> Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Tested-by: Krzysztof Piotr Oledzki <ole@ans.pl> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-09-07netfilter: discard overlapping IPv6 fragmentNicolas Dichtel
RFC5722 prohibits reassembling IPv6 fragments when some data overlaps. Bug spotted by Zhang Zuotao <zuotao.zhang@6wind.com>. Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-09-07ipv6: discard overlapping fragmentNicolas Dichtel
RFC5722 prohibits reassembling fragments when some data overlaps. Bug spotted by Zhang Zuotao <zuotao.zhang@6wind.com>. Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-08-23netfilter: fix CONFIG_COMPAT supportFlorian Westphal
commit f3c5c1bfd430858d3a05436f82c51e53104feb6b (netfilter: xtables: make ip_tables reentrant) forgot to also compute the jumpstack size in the compat handlers. Result is that "iptables -I INPUT -j userchain" turns into -j DROP. Reported by Sebastian Roesner on #netfilter, closes http://bugzilla.netfilter.org/show_bug.cgi?id=669. Note: arptables change is compile-tested only. Signed-off-by: Florian Westphal <fw@strlen.de> Acked-by: Eric Dumazet <eric.dumazet@gmail.com> Tested-by: Mikael Pettersson <mikpe@it.uu.se> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-08-17netfilter: {ip,ip6,arp}_tables: avoid lockdep false positiveEric Dumazet
After commit 24b36f019 (netfilter: {ip,ip6,arp}_tables: dont block bottom half more than necessary), lockdep can raise a warning because we attempt to lock a spinlock with BH enabled, while the same lock is usually locked by another cpu in a softirq context. Disable again BH to avoid these lockdep warnings. Reported-by: Linus Torvalds <torvalds@linux-foundation.org> Diagnosed-by: David S. Miller <davem@davemloft.net> Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-08-15ipv6: remove sysctl jiffies conversion on gc_elasticity and min_adv_mssMin Zhang
sysctl output ipv6 gc_elasticity and min_adv_mss as values divided by HZ. However, they are not in unit of jiffies, since ip6_rt_min_advmss refers to packet size and ip6_rt_fc_elasticity is used as scaler as in expire>>ip6_rt_gc_elasticity, so replace the jiffies conversion handler will regular handler for them. This has impact on scripts that are currently working assuming the divide by HZ, will yield different results with this patch in place. Signed-off-by: Min Zhang <mzhang@mvista.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-08-04Merge branch 'for-next' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial * 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (48 commits) Documentation: update broken web addresses. fix comment typo "choosed" -> "chosen" hostap:hostap_hw.c Fix typo in comment Fix spelling contorller -> controller in comments Kconfig.debug: FAIL_IO_TIMEOUT: typo Faul -> Fault fs/Kconfig: Fix typo Userpace -> Userspace Removing dead MACH_U300_BS26 drivers/infiniband: Remove unnecessary casts of private_data fs/ocfs2: Remove unnecessary casts of private_data libfc: use ARRAY_SIZE scsi: bfa: use ARRAY_SIZE drm: i915: use ARRAY_SIZE drm: drm_edid: use ARRAY_SIZE synclink: use ARRAY_SIZE block: cciss: use ARRAY_SIZE comment typo fixes: charater => character fix comment typos concerning "challenge" arm: plat-spear: fix typo in kerneldoc reiserfs: typo comment fix update email address ...
2010-08-04Merge branch 'master' into for-nextJiri Kosina
2010-08-02Merge branch 'master' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/kaber/nf-next-2.6
2010-08-02netfilter: {ip,ip6,arp}_tables: dont block bottom half more than necessaryEric Dumazet
We currently disable BH for the whole duration of get_counters() On machines with a lot of cpus and large tables, this might be too long. We can disable preemption during the whole function, and disable BH only while fetching counters for the current cpu. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: Patrick McHardy <kaber@trash.net>
2010-07-28Merge branch 'master' of ↵David S. Miller
master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 Conflicts: drivers/net/bnx2x_main.c Merge bnx2x bug fixes in by hand... :-/ Signed-off-by: David S. Miller <davem@davemloft.net>
2010-07-23netfilter: ip6tables: use skb->len for accountingChangli Gao
ipv6_hdr(skb)->payload_len is ZERO and can't be used for accounting, if the payload is a Jumbo Payload specified in RFC2675. Signed-off-by: Changli Gao <xiaosuo@gmail.com> Signed-off-by: Patrick McHardy <kaber@trash.net>
2010-07-22ipv6: Don't add routes to ipv6 disabled interfaces.Brian Haley
If the interface has IPv6 disabled, don't add a multicast or link-local route since we won't be adding a link-local address. Reported-by: Mahesh Kelkar <maheshkelkar@gmail.com> Signed-off-by: Brian Haley <brian.haley@hp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-07-21Merge branch 'master' of ↵David S. Miller
master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 Conflicts: drivers/vhost/net.c net/bridge/br_device.c Fix merge conflict in drivers/vhost/net.c with guidance from Stephen Rothwell. Revert the effects of net-2.6 commit 573201f36fd9c7c6d5218cdcd9948cee700b277d since net-next-2.6 has fixes that make bridge netpoll work properly thus we don't need it disabled. Signed-off-by: David S. Miller <davem@davemloft.net>
2010-07-18IPv6: fix CoA check in RH2 input handler (mip6_rthdr_input())Arnaud Ebalard
The input handler for Type 2 Routing Header (mip6_rthdr_input()) checks if the CoA in the packet matches the CoA in the XFRM state. Current check is buggy: it compares the adddress in the Type 2 Routing Header, i.e. the HoA, against the expected CoA in the state. The comparison should be made against the address in the destination field of the IPv6 header. The bug remained unnoticed because the main (and possibly only current) user of the code (UMIP MIPv6 Daemon) initializes the XFRM state with the unspecified address, i.e. explicitly allows everything. Yoshifuji-san, can you ack that one? Signed-off-by: Arnaud Ebalard <arno@natisbad.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-07-13inet, inet6: make tcp_sendmsg() and tcp_sendpage() through inet_sendmsg() ↵Changli Gao
and inet_sendpage() a new boolean flag no_autobind is added to structure proto to avoid the autobind calls when the protocol is TCP. Then sock_rps_record_flow() is called int the TCP's sendmsg() and sendpage() pathes. Signed-off-by: Changli Gao <xiaosuo@gmail.com> ---- include/net/inet_common.h | 4 ++++ include/net/sock.h | 1 + include/net/tcp.h | 8 ++++---- net/ipv4/af_inet.c | 15 +++++++++------ net/ipv4/tcp.c | 11 +++++------ net/ipv4/tcp_ipv4.c | 3 +++ net/ipv6/af_inet6.c | 8 ++++---- net/ipv6/tcp_ipv6.c | 3 +++ 8 files changed, 33 insertions(+), 20 deletions(-) Signed-off-by: David S. Miller <davem@davemloft.net>
2010-07-11fix comment/printk typos concerning "already"Uwe Kleine-König
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2010-07-07Merge branch 'master' of ↵David S. Miller
master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
2010-07-05netfilter: nf_conntrack_reasm: add fast path for in-order fragmentsChangli Gao
As the fragments are sent in order in most of OSes, such as Windows, Darwin and FreeBSD, it is likely the new fragments are at the end of the inet_frag_queue. In the fast path, we check if the skb at the end of the inet_frag_queue is the prev we expect. Signed-off-by: Changli Gao <xiaosuo@gmail.com> Signed-off-by: Patrick McHardy <kaber@trash.net>
2010-07-04xfrm: fix xfrm by MARK logicPeter Kosyh
While using xfrm by MARK feature in 2.6.34 - 2.6.35 kernels, the mark is always cleared in flowi structure via memset in _decode_session4 (net/ipv4/xfrm4_policy.c), so the policy lookup fails. IPv6 code is affected by this bug too. Signed-off-by: Peter Kosyh <p.kosyh@gmail.com> Acked-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-07-03Merge branch 'master' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/kaber/nf-next-2.6
2010-07-03Merge branch 'master' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/kaber/nf-2.6
2010-07-02netfilter: ip6t_REJECT: fix a dst leak in ipv6 REJECTEric Dumazet
We should release dst if dst->error is set. Bug introduced in 2.6.14 by commit e104411b82f5c ([XFRM]: Always release dst_entry on error in xfrm_lookup) Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Cc: stable@kernel.org Signed-off-by: Patrick McHardy <kaber@trash.net>
2010-06-30fragment: add fast path for in-order fragmentsChangli Gao
add fast path for in-order fragments As the fragments are sent in order in most of OSes, such as Windows, Darwin and FreeBSD, it is likely the new fragments are at the end of the inet_frag_queue. In the fast path, we check if the skb at the end of the inet_frag_queue is the prev we expect. Signed-off-by: Changli Gao <xiaosuo@gmail.com> ---- include/net/inet_frag.h | 1 + net/ipv4/ip_fragment.c | 12 ++++++++++++ net/ipv6/reassembly.c | 11 +++++++++++ 3 files changed, 24 insertions(+) Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-30snmp: 64bit ipstats_mib for all archesEric Dumazet
/proc/net/snmp and /proc/net/netstat expose SNMP counters. Width of these counters is either 32 or 64 bits, depending on the size of "unsigned long" in kernel. This means user program parsing these files must already be prepared to deal with 64bit values, regardless of user program being 32 or 64 bit. This patch introduces 64bit snmp values for IPSTAT mib, where some counters can wrap pretty fast if they are 32bit wide. # netstat -s|egrep "InOctets|OutOctets" InOctets: 244068329096 OutOctets: 244069348848 Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-30ipv6: Use interface max_desync_factor instead of static defaultBen Hutchings
max_desync_factor can be configured per-interface, but nothing is using the value. Reported-by: Piotr Lewandowski <piotr.lewandowski@gmail.com> Signed-off-by: Ben Hutchings <ben@decadent.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-30ipv6: Clamp reported valid_lft to a minimum of 0Ben Hutchings
Since addresses are only revalidated every 2 minutes, the reported valid_lft can underflow shortly before the address is deleted. Clamp it to a minimum of 0, as for prefered_lft. Reported-by: Piotr Lewandowski <piotr.lewandowski@gmail.com> Signed-off-by: Ben Hutchings <ben@decadent.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-28netfilter: ipt_LOG/ip6t_LOG: add option to print decoded MAC headerPatrick McHardy
The LOG targets print the entire MAC header as one long string, which is not readable very well: IN=eth0 OUT= MAC=00:15:f2:24:91:f8:00:1b:24:dc:61:e6:08:00 ... Add an option to decode known header formats (currently just ARPHRD_ETHER devices) in their individual fields: IN=eth0 OUT= MACSRC=00:1b:24:dc:61:e6 MACDST=00:15:f2:24:91:f8 MACPROTO=0800 ... IN=eth0 OUT= MACSRC=00:1b:24:dc:61:e6 MACDST=00:15:f2:24:91:f8 MACPROTO=86dd ... The option needs to be explicitly enabled by userspace to avoid breaking existing parsers. Signed-off-by: Patrick McHardy <kaber@trash.net>
2010-06-28netfilter: ipt_LOG/ip6t_LOG: remove comparison within loopPatrick McHardy
Remove the comparison within the loop to print the macheader by prepending the colon to all but the first printk. Based on suggestion by Jan Engelhardt <jengelh@medozas.de>. Signed-off-by: Patrick McHardy <kaber@trash.net>
2010-06-27syncookies: add support for ECNFlorian Westphal
Allows use of ECN when syncookies are in effect by encoding ecn_ok into the syn-ack tcp timestamp. While at it, remove a uneeded #ifdef CONFIG_SYN_COOKIES. With CONFIG_SYN_COOKIES=nm want_cookie is ifdef'd to 0 and gcc removes the "if (0)". Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-27syncookies: do not store rcv_wscale in tcp timestampFlorian Westphal
As pointed out by Fernando Gont there is no need to encode rcv_wscale into the cookie. We did not use the restored rcv_wscale anyway; it is recomputed via tcp_select_initial_window(). Thus we can save 4 bits in the ts option space by removing rcv_wscale. In case window scaling was not supported, we set the (invalid) wscale value 0xf. Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-26ipv6: remove ipv6_statisticsEric Dumazet
commit 9261e5370112 (ipv6: making ip and icmp statistics per/namespace) forgot to remove ipv6_statistics variable. commit bc417d99bf27 (ipv6: remove stale MIB definitions) took care of icmpv6_statistics & icmpv6msg_statistics Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> CC: Denis V. Lunev <den@openvz.org> CC: Alexey Dobriyan <adobriyan@gmail.com> CC: Hideaki YOSHIFUJI <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-26snmp: add align parameter to snmp_mib_init()Eric Dumazet
In preparation for 64bit snmp counters for some mibs, add an 'align' parameter to snmp_mib_init(), instead of assuming mibs only contain 'unsigned long' fields. Callers can use __alignof__(type) to provide correct alignment. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> CC: Herbert Xu <herbert@gondor.apana.org.au> CC: Arnaldo Carvalho de Melo <acme@ghostprotocols.net> CC: Hideaki YOSHIFUJI <yoshfuji@linux-ipv6.org> CC: Vlad Yasevich <vladislav.yasevich@hp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-26ipv6: fix NULL reference in proxy neighbor discoverystephen hemminger
The addition of TLLAO option created a kernel OOPS regression for the case where neighbor advertisement is being sent via proxy path. When using proxy, ipv6_get_ifaddr() returns NULL causing the NULL dereference. Change causing the bug was: commit f7734fdf61ec6bb848e0bafc1fb8bad2c124bb50 Author: Octavian Purdila <opurdila@ixiacom.com> Date: Fri Oct 2 11:39:15 2009 +0000 make TLLAO option for NA packets configurable Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Acked-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-16syncookies: check decoded options against sysctl settingsFlorian Westphal
Discard the ACK if we find options that do not match current sysctl settings. Previously it was possible to create a connection with sack, wscale, etc. enabled even if the feature was disabled via sysctl. Also remove an unneeded call to tcp_sack_reset() in cookie_check_timestamp: Both call sites (cookie_v4_check, cookie_v6_check) zero "struct tcp_options_received", hand it to tcp_parse_options() (which does not change tcp_opt->num_sacks/dsack) and then call cookie_check_timestamp(). Even if num_sacks/dsacks were changed, the structure is allocated on the stack and after cookie_check_timestamp returns only a few selected members are copied to the inet_request_sock. Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-16ipfrag : frag_kfree_skb() cleanupEric Dumazet
Third param (work) is unused, remove it. Remove __inline__ and inline qualifiers. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-16ip_frag: Remove some atomic opsEric Dumazet
Instead of doing one atomic operation per frag, we can factorize them. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-16ipv6: syncookies: do not skip ->iif initializationFlorian Westphal
When syncookies are in effect, req->iif is left uninitialized. In case of e.g. link-local addresses the route lookup then fails and no syn-ack is sent. Rearrange things so ->iif is also initialized in the syncookie case. want_cookie can only be true when the isn was zero, thus move the want_cookie check into the "!isn" branch. Cc: Glenn Griffin <ggriffin.kernel@gmail.com> Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-15Merge branch 'master' of /repos/git/net-next-2.6Patrick McHardy
Conflicts: include/net/netfilter/xt_rateest.h net/bridge/br_netfilter.c net/netfilter/nf_conntrack_core.c Signed-off-by: Patrick McHardy <kaber@trash.net>
2010-06-15ipv6: RCU changes in ipv6_get_mtu() and ip6_dst_hoplimit()Eric Dumazet
Use RCU to avoid atomic ops on idev refcnt in ipv6_get_mtu() and ip6_dst_hoplimit() Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Acked-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-15ipv6: avoid two atomics in ipv6_rthdr_rcv()Eric Dumazet
Use __in6_dev_get() instead of in6_dev_get()/in6_dev_put() Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-14netfilter: defrag: kill unused work parameter of frag_kfree_skb()Shan Wei
The parameter (work) is unused, remove it. Reported from Eric Dumazet. Signed-off-by: Shan Wei <shanwei@cn.fujitsu.com> Acked-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: Patrick McHardy <kaber@trash.net>
2010-06-14netfilter: defrag: remove one redundant atomic opsShan Wei
Instead of doing one atomic operation per frag, we can factorize them. Reported from Eric Dumazet. Signed-off-by: Shan Wei <shanwei@cn.fujitsu.com> Acked-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: Patrick McHardy <kaber@trash.net>
2010-06-14netfilter: kill redundant check code in which setting ip_summed valueShan Wei
If the returned csum value is 0, We has set ip_summed with CHECKSUM_UNNECESSARY flag in __skb_checksum_complete_head(). So this patch kills the check and changes to return to upper caller directly. Signed-off-by: Shan Wei <shanwei@cn.fujitsu.com> Signed-off-by: Patrick McHardy <kaber@trash.net>
2010-06-11Merge branch 'master' of ↵David S. Miller
master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
2010-06-11net-next: remove useless union keywordChangli Gao
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>
2010-06-10ipv6: fix ICMP6_MIB_OUTERRORSEric Dumazet
In commit 1f8438a85366 (icmp: Account for ICMP out errors), I did a typo on IPV6 side, using ICMP6_MIB_OUTMSGS instead of ICMP6_MIB_OUTERRORS Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-10ipv6: mcast: RCU conversionsEric Dumazet
- ipv6_sock_mc_join() : doesnt touch dev refcount - ipv6_sock_mc_drop() : doesnt touch dev/idev refcounts - ip6_mc_find_dev() becomes ip6_mc_find_dev_rcu() (called from rcu), and doesnt touch dev/idev refcounts - ipv6_sock_mc_close() : doesnt touch dev/idev refcounts - ip6_mc_source() uses ip6_mc_find_dev_rcu() - ip6_mc_msfilter() uses ip6_mc_find_dev_rcu() - ip6_mc_msfget() uses ip6_mc_find_dev_rcu() - ipv6_dev_mc_dec(), ipv6_chk_mcast_addr(), igmp6_event_query(), igmp6_event_report(), mld_sendpack(), igmp6_send() dont touch idev refcount Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-09netfilter: ip6_queue: rwlock to spinlock conversionEric Dumazet
Converts queue_lock rwlock to a spinlock. (readlocked part can be changed by reads of integer values) One atomic operation instead of four per ipq_enqueue_packet() call. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: Patrick McHardy <kaber@trash.net>
2010-06-08netfilter: nf_conntrack: IPS_UNTRACKED bitEric Dumazet
NOTRACK makes all cpus share a cache line on nf_conntrack_untracked twice per packet. This is bad for performance. __read_mostly annotation is also a bad choice. This patch introduces IPS_UNTRACKED bit so that we can use later a per_cpu untrack structure more easily. A new helper, nf_ct_untracked_get() returns a pointer to nf_conntrack_untracked. Another one, nf_ct_untracked_status_or() is used by nf_nat_init() to add IPS_NAT_DONE_MASK bits to untracked status. nf_ct_is_untracked() prototype is changed to work on a nf_conn pointer. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: Patrick McHardy <kaber@trash.net>
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