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* [TCP]: Set default congestion control correctly for incoming connections.Stephen Hemminger2005-09-21
| | | | | | | | | | | | | Patch from Joel Sing to fix the default congestion control algorithm for incoming connections. If a new congestion control handler is added (via module), it should become the default for new connections. Instead, the incoming connections use reno. The cause is incorrect initialisation causes the tcp_init_congestion_control() function to return after the initial if test fails. Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Acked-by: Ian McDonald <imcdnzl@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [FIB_TRIE]: message cleanupStephen Hemminger2005-09-21
| | | | | | | | | | | | Cleanup the printk's in fib_trie: * Convert a couple of places in the dump code to BUG_ON * Put log level's on each message The version message really needed the message since it leaks out on the pretty Fedora bootup. Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Acked-by: Robert Olsson <Robert.Olsson@data.slu.se>, Signed-off-by: David S. Miller <davem@davemloft.net>
* [AF_PACKET]: Allow for > 8 byte hardware addresses.Eric W. Biederman2005-09-21
| | | | | | | | | | | | | | | | | | | The convention is that longer addresses will simply extend the hardeware address byte arrays at the end of sockaddr_ll and packet_mreq. In making this change a small information leak was also closed. The code only initializes the hardware address bytes that are used, but all of struct sockaddr_ll was copied to userspace. Now we just copy sockaddr_ll to the last byte of the hardware address used. For error checking larger structures than our internal maximums continue to be allowed but an error is signaled if we can not fit the hardware address into our internal structure. Signed-off-by: Eric W. Biederman <ebiederm@xmission.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds2005-09-19
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| * [TCP]: Handle SACK'd packets properly in tcp_fragment().Herbert Xu2005-09-19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The problem is that we're now calling tcp_fragment() in a context where the packets might be marked as SACKED_ACKED or SACKED_RETRANS. This was not possible before as you never retransmitted packets that are so marked. Because of this, we need to adjust sacked_out and retrans_out in tcp_fragment(). This is exactly what the following patch does. We also need to preserve the SACKED_ACKED/SACKED_RETRANS marking if they exist. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [8021Q]: Add endian annotations.Alexey Dobriyan2005-09-19
| | | | | | | | | | Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [NETFILTER]: Export ip_nat_port_{nfattr_to_range,range_to_nfattr}Harald Welte2005-09-19
| | | | | | | | | | | | | | | | Those exports are needed by the PPTP helper following in the next couple of changes. Signed-off-by: Harald Welte <laforge@netfilter.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [NETFILTER]: Rename misnamed functionPatrick McHardy2005-09-19
| | | | | | | | | | | | | | | | | | | | Both __ip_conntrack_expect_find and ip_conntrack_expect_find_get take a reference to the expectation, the difference is that callers of __ip_conntrack_expect_find must hold ip_conntrack_lock. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: Harald Welte <laforge@netfilter.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [NETFILTER] ip6tables: remove duplicate codeYasuyuki Kozakai2005-09-19
| | | | | | | | | | | | | | | | | | | | | | Some IPv6 matches have very similar loops to find IPv6 extension header and we can unify them. This patch introduces ipv6_find_hdr() to do it. I just checked that it can find the target headers in the packet which has dst,hbh,rt,frag,ah,esp headers. Signed-off-by: Yasuyuki Kozakai <yasuyuki.kozakai@toshiba.co.jp> Signed-off-by: Harald Welte <laforge@netfilter.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [NETFILTER]: Add new PPTP conntrack and NAT helperHarald Welte2005-09-19
| | | | | | | | | | | | | | | | | | This new "version 3" PPTP conntrack/nat helper is finally ready for mainline inclusion. Special thanks to lots of last-minute bugfixing by Patric McHardy. Signed-off-by: Harald Welte <laforge@netfilter.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [IPV4]: fib_trie RCU refinementsRobert Olsson2005-09-19
| | | | | | | | | | | | | | * This patch is from Paul McKenney's RCU reviewing. Signed-off-by: Robert Olsson <robert.olsson@its.uu.se> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [IPV4]: fib_trie tnode stats refinementsRobert Olsson2005-09-19
| | | | | | | | | | | | | | | | | | * Prints the route tnode and set the stats level deepth as before. Signed-off-by: Robert Olsson <robert.olsson@its.uu.se> Signed-off-by: David S. Miller <davem@davemloft.net>
* | [PATCH] raw_sendmsg DoS on 2.6Mark J Cox2005-09-19
|/ | | | | | | | | | | | Fix unchecked __get_user that could be tricked into generating a memory read on an arbitrary address. The result of the read is not returned directly but you may be able to divine some information about it, or use the read to cause a crash on some architectures by reading hardware state. CAN-2004-2492. Fix from Al Viro, ack from Dave Miller. Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [NETFILTER]: Solve Kconfig dependency problemHarald Welte2005-09-18
| | | | | | | As suggested by Roman Zippel. Signed-off-by: Harald Welte <laforge@netfilter.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPV6]: Check connect(2) status for IPv6 UDP socket (Re: xfrm_lookup)Mitsuru KANDA2005-09-18
| | | | | | | | | I think we should cache the per-socket route(dst_entry) only when the IPv6 UDP socket is connect(2)'ed. (which is same as IPv4 UDP send behavior) Signed-off-by: Mitsuru KANDA <mk@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [DCCP]: Introduce CCID getsockopt for the CCIDsArnaldo Carvalho de Melo2005-09-18
| | | | | | | | Allocation for the optnames is similar to the DCCP options, with a range for rx and tx half connection CCIDs. Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [DCCP]: Don't use necessarily the same CCID for tx and rxArnaldo Carvalho de Melo2005-09-18
| | | | | Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [CCID3]: Introduce include/linux/tfrc.hArnaldo Carvalho de Melo2005-09-18
| | | | | | | | | Moving the TFRC sender and receiver variables to separate structs, so that we can copy these structs to userspace thru getsockopt, dccp_diag, etc. Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [DCCP]: Move the ack vector code to net/dccp/ackvec.[ch]Arnaldo Carvalho de Melo2005-09-18
| | | | | | | | Isolating it, that will be used when we introduce a CCID2 (TCP-Like) implementation. Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER] move nfnetlink options to right location in kconfig menuHarald Welte2005-09-17
| | | | | Signed-off-by: Harald Welte <laforge@netfilter.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER] Fix Kconfig dependencies for nfnetlink/ctnetlinkHarald Welte2005-09-17
| | | | | Signed-off-by: Harald Welte <laforge@netfilter.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: Fix oops in conntrack event cacheHarald Welte2005-09-16
| | | | | | | | | | | | ip_ct_refresh_acct() can be called without a valid "skb" pointer. This used to work, since ct_add_counters() deals with that fact. However, the recently-added event cache doesn't handle this at all. This patch is a quick fix that is supposed to be replaced soon by a cleaner solution during the pending redesign of the event cache. Signed-off-by: Harald Welte <laforge@netfilter.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER] CLUSTERIP: use a bitmap to store node responsibility dataKOVACS Krisztian2005-09-16
| | | | | | | | | | | | | | | | | | | Instead of maintaining an array containing a list of nodes this instance is responsible for let's use a simple bitmap. This provides the following features: * clusterip_responsible() and the add_node()/delete_node() operations become very simple and don't need locking * the config structure is much smaller In spite of the completely different internal data representation the user-space interface remains almost unchanged; the only difference is that the proc file does not list nodes in the order they were added. (The target info structure remains the same.) Signed-off-by: KOVACS Krisztian <hidden@balabit.hu> Signed-off-by: Harald Welte <laforge@netfilter.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER] CLUSTERIP: introduce reference counting for entriesKOVACS Krisztian2005-09-16
| | | | | | | | | | | | | | | | | | | The CLUSTERIP target creates a procfs entry for all different cluster IPs. Although more than one rules can refer to a single cluster IP (and thus a single config structure), removal of the procfs entry is done unconditionally in destroy(). In more complicated situations involving deferred dereferencing of the config structure by procfs and creating a new rule with the same cluster IP it's also possible that no entry will be created for the new rule. This patch fixes the problem by counting the number of entries referencing a given config structure and moving the config list manipulation and procfs entry deletion parts to the clusterip_config_entry_put() function. Signed-off-by: KOVACS Krisztian <hidden@balabit.hu> Signed-off-by: Harald Welte <laforge@netfilter.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [DCCP]: Introduce DCCP_SOCKOPT_SERVICEArnaldo Carvalho de Melo2005-09-16
| | | | | | | | | | | | | | | | | As discussed in the dccp@vger mailing list: Now applications have to use setsockopt(DCCP_SOCKOPT_SERVICE, service[s]), prior to calling listen() and connect(). An array of unsigned ints can be passed meaning that the listening sock accepts connection requests for several services. With this we can ditch struct sockaddr_dccp and use only sockaddr_in (and sockaddr_in6 in the future). Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [DCCP]: More precisely set reset_code when sending RESET packetsArnaldo Carvalho de Melo2005-09-16
| | | | | | | | Moving the setting of DCCP_SKB_CB(skb)->dccpd_reset_code to the places where events happen that trigger sending a RESET packet. Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET]: Do not leak MSG_CMSG_COMPAT into userspace.David S. Miller2005-09-16
| | | | | | Noticed by Sridhar Samudrala. Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPV6]: Fix per-socket multicast filtering in sk_reuse caseDavid L Stevens2005-09-15
| | | | | | | | | | | | per-socket multicast filters were not being applied to all sockets in the case of an exact-match bound address, due to an over-exuberant "return" in the look-up code. Fix below. IPv4 does not have this problem. Thanks to Hoerdt Mickael for reporting the bug. Signed-off-by: David L Stevens <dlstevens@us.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPVS]: ip_vs_ftp breaks connections using persistenceJulian Anastasov2005-09-15
| | | | | | | | | | | | | | | | | | | | | | | | ip_vs_ftp when loaded can create NAT connections with unknown client port for passive FTP. For such expectations we lookup with cport=0 on incoming packet but it matches the format of the persistence templates causing packets to other persistent virtual servers to be forwarded to real server without creating connection. Later the reply packets are treated as foreign and not SNAT-ed. This patch changes the connection lookup for packets from clients: * introduce IP_VS_CONN_F_TEMPLATE connection flag to mark the connection as template * create new connection lookup function just for templates - ip_vs_ct_in_get * make sure ip_vs_conn_in_get hits only connections with IP_VS_CONN_F_NO_CPORT flag set when s_port is 0. By this way we avoid returning template when looking for cport=0 (ftp) Signed-off-by: Julian Anastasov <ja@ssi.bg> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPVS]: Really invalidate persistent templatesJulian Anastasov2005-09-15
| | | | | | | | Agostino di Salle noticed that persistent templates are not invalidated due to buggy optimization. Signed-off-by: Julian Anastasov <ja@ssi.bg> Signed-off-by: David S. Miller <davem@davemloft.net>
* [BRIDGE-NF]: Fix iptables redirect on bridge interfaceBart De Schuymer2005-09-14
| | | | | | | | Here's a slightly altered patch, originally from Mark Glines who diagnosed and fixed the problem. Signed-off-by: Bart De Schuymer <bdschuym@pandora.be> Signed-off-by: David S. Miller <davem@davemloft.net>
* [MCAST]: Fix MCAST_EXCLUDE line dupesDenis Lukianov2005-09-14
| | | | | | | | | | This patch fixes line dupes at /ipv4/igmp.c and /ipv6/mcast.c in the 2.6 kernel, where MCAST_EXCLUDE is mistakenly used instead of MCAST_INCLUDE. Signed-off-by: Denis Lukianov <denis@voxelsoft.com> Signed-off-by: David L Stevens <dlstevens@us.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [TCP]: Compute in_sacked properly when we split up a TSO frame.Herbert Xu2005-09-14
| | | | | | | | | | | | | The problem is that the SACK fragmenting code may incorrectly call tcp_fragment() with a length larger than the skb->len. This happens when the skb on the transmit queue completely falls to the LHS of the SACK. And add a BUG() check to tcp_fragment() so we can spot this kind of error more quickly in the future. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* Merge master.kernel.org:/pub/scm/linux/kernel/git/acme/net-2.6 David S. Miller2005-09-13
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| * [DCCP]: Handle SYNC packets in dccp_rcv_state_processArnaldo Carvalho de Melo2005-09-13
| | | | | | | | | | | | | | Eliciting a SYNCACK in response, we were handling SYNC packets only in the DCCP_OPEN state, in dccp_rcv_established. Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
| * [DCCP]: Check if already in the CLOSING state in dccp_rcv_closereqArnaldo Carvalho de Melo2005-09-13
| | | | | | | | | | | | | | | | It is possible to receive more than one CLOSEREQ packet if the CLOSE packet sent in response is somehow lost, change the state to DCCP_CLOSING only on the first CLOSEREQ packet received. Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
* | Merge master.kernel.org:/pub/scm/linux/kernel/git/holtmann/bluetooth-2.6 David S. Miller2005-09-13
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| * | [Bluetooth] Prevent RFCOMM connections through the RAW socketMarcel Holtmann2005-09-12
| | | | | | | | | | | | | | | | | | | | | This patch adds additional checks to prevent RFCOMM connections be established through the RAW socket interface. Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
| * | [Bluetooth] Add support for extended inquiry responsesMarcel Holtmann2005-09-12
| | | | | | | | | | | | | | | | | | | | | This patch adds the handling of the extended inquiry responses and inserts them into the inquiry cache. Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* | | [NETFILTER]: Fix DHCP + MASQUERADE problemPatrick McHardy2005-09-13
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In 2.6.13-rcX the MASQUERADE target was changed not to exclude local packets for better source address consistency. This breaks DHCP clients using UDP sockets when the DHCP requests are caught by a MASQUERADE rule because the MASQUERADE target drops packets when no address is configured on the outgoing interface. This patch makes it ignore packets with a source address of 0. Thanks to Rusty for this suggestion. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* | | [NETFILTER]: Fix rcu race in ipt_REDIRECTPatrick McHardy2005-09-13
| | | | | | | | | | | | | | | Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* | | [NETFILTER]: Simplify netbios helperPatrick McHardy2005-09-13
| | | | | | | | | | | | | | | | | | | | | | | | Don't parse the packet, the data is already available in the conntrack structure. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* | | [NETFILTER]: Use correct type for "ports" module parameterPatrick McHardy2005-09-13
| | | | | | | | | | | | | | | | | | | | | | | | With large port numbers the helper_names buffer can overflow. Noticed by Samir Bellabes <sbellabes@mandriva.com> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* | | [PATCH] Code cleanups in calbacks in svcsockNeil Brown2005-09-13
| |/ |/| | | | | | | | | | | | | | | | | | | | | | | Change a printk(KERN_WARNING to dprintk, and it is really only interesting when trying to debug a problem, and can occur normally without error. Remove various gratuitous gotos in surrounding code, and remove some type-cast assignments from inside 'if' conditionals, as that is just obscuring what it going on. Signed-off-by: Neil Brown <neilb@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [NETROM]: Introduct stuct nr_privateRalf Baechle2005-09-12
| | | | | | | | | | | | | | | | NET/ROM's virtual interfaces don't have a proper private data structure yet. Create struct nr_private and put the statistics there. Signed-off-by: Ralf Baechle DL5RB <ralf@linux-mips.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* | [NETROM]: Implement G8PZT Circuit reset for NET/ROMRalf Baechle2005-09-12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | NET/ROM is lacking a connection reset like TCP's RST flag which at times may result in a connecting having to slowly timing out instead of just being reset. An earlier attempt to reset the connection by sending a NR_CONNACK | NR_CHOKE_FLAG transport was inacceptable as it did result in crashes of BPQ systems. An alternative approach of introducing a new transport type 7 (NR_RESET) has be implemented several years ago in Paula Jayne Dowie G8PZT's Xrouter. Implement NR_RESET for Linux's NET/ROM but like any messing with the state engine consider this experimental for now and thus control it by a sysctl (net.netrom.reset) which for the time being defaults to off. Signed-off-by: Ralf Baechle DL5RB <ralf@linux-mips.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* | [ROSE]: ROSE has no ARPRalf Baechle2005-09-12
| | | | | | | | | | | | | | | | ARP over ROSE does not exist so it's obviously not implemented on any ROSE stack, so the ROSE interfaces really should default to IFF_NOARP. Signed-off-by: Ralf Baechle DL5RB <ralf@linux-mips.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* | [NETROM]: NET/ROM has no ARPRalf Baechle2005-09-12
| | | | | | | | | | | | | | | | ARP over NET/ROM does not exist so it's obviously not implemented on any NET/ROM stack, so the NET/ROM interfaces really should default to IFF_NOARP. Signed-off-by: Ralf Baechle DL5RB <ralf@linux-mips.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* | [NETROM] NET/ROM has no txqueueRalf Baechle2005-09-12
| | | | | | | | | | | | | | NET/ROM uses virtual interfaces so setting a queue length is wrong. Signed-off-by: Ralf Baechle DL5RB <ralf@linux-mips.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* | [AX.25]: Reformat ax25_proto_ops initializationRalf Baechle2005-09-12
| | | | | | | | | | | | | | Reformat iniitalization of ax25_proto_ops. Signed-off-by: Ralf Baechle DL5RB <ralf@linux-mips.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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