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* [PATCH] sunrpc: cache_register can use wrong module referenceBruce Allan2005-09-075-8/+16
| | | | | | | | | | | | | | | | | | | | | | | | | When registering an RPC cache, cache_register() always sets the owner as the sunrpc module. However, there are RPC caches owned by other modules. With the incorrect owner setting, the real owning module can be removed potentially with an open reference to the cache from userspace. For example, if one were to stop the nfs server and unmount the nfsd filesystem, the nfsd module could be removed eventhough rpc.idmapd had references to the idtoname and nametoid caches (i.e. /proc/net/rpc/nfs4.<cachename>/channel is still open). This resulted in a system panic on one of our machines when attempting to restart the nfs services after reloading the nfsd module. The following patch adds a 'struct module *owner' field in struct cache_detail. The owner is further assigned to the struct proc_dir_entry in cache_register() so that the module cannot be unloaded while user-space daemons have an open reference on the associated file under /proc. Signed-off-by: Bruce Allan <bwa@us.ibm.com> Cc: Trond Myklebust <trond.myklebust@fys.uio.no> Cc: Neil Brown <neilb@cse.unsw.edu.au> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* Merge branch 'upstream' of ↵Linus Torvalds2005-09-061-1/+1
|\ | | | | | | master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6
| * [PATCH] (7/7) __user annotations (ethtool)viro@ftp.linux.org.uk2005-09-051-1/+1
| | | | | | | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
* | [IEEE80211]: Use correct size_t printf format string in ieee80211_rx.cDavid S. Miller2005-09-051-1/+1
| | | | | | | | Signed-off-by: David S. Miller <davem@davemloft.net>
* | [TCP]: Fix TCP_OFF() bug check introduced by previous change.Herbert Xu2005-09-051-2/+2
| | | | | | | | | | | | | | | | | | | | The TCP_OFF assignment at the bottom of that if block can indeed set TCP_OFF without setting TCP_PAGE. Since there is not much to be gained from avoiding this situation, we might as well just zap the offset. The following patch should fix it. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* | [NET]: 2.6.13 breaks libpcap (and tcpdump)Herbert Xu2005-09-051-3/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Patrick McHardy says: Never mind, I got it, we never fall through to the second switch statement anymore. I think we could simply break when load_pointer returns NULL. The switch statement will fall through to the default case and return 0 for all cases but 0 > k >= SKF_AD_OFF. Here's a patch to do just that. I left BPF_MSH alone because it's really a hack to calculate the IP header length, which makes no sense when applied to the special data. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* | [NET]: Do not protect sysctl_optmem_max with CONFIG_SYSCTLDavid S. Miller2005-09-051-1/+1
| | | | | | | | | | | | | | The ipv4 and ipv6 protocols need to access it unconditionally. SYSCTL=n build failure reported by Russell King. Signed-off-by: David S. Miller <davem@davemloft.net>
* | [NETFILTER] remove bogus hand-coded htonll() from nenetlink_queueHarald Welte2005-09-051-13/+2
| | | | | | | | | | | | | | | | htonll() is nothing else than cpu_to_be64(), so we'd rather call the latter. Signed-off-by: Harald Welte <laforge@netfilter.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* | [IRDA]: IrDA prototype fixesAdrian Bunk2005-09-052-0/+2
| | | | | | | | | | | | | | | | | | | | | | Every file should #include the header files containing the prototypes of it's global functions. In this case this showed that the prototype of irlan_print_filter() was wrong which is also corrected in this patch. Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: David S. Miller <davem@davemloft.net>
* | [SCTP]: net/sctp/sysctl.c should #include <net/sctp/sctp.h>Adrian Bunk2005-09-051-0/+1
| | | | | | | | | | | | | | | | | | | | Every file should #include the header files containing the prototypes of it's global functions. sctp.h contains the prototypes of sctp_sysctl_{,un}register(). Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: David S. Miller <davem@davemloft.net>
* | [NETFILTER]: net/netfilter/nfnetlink*: make functions staticAdrian Bunk2005-09-052-3/+3
| | | | | | | | | | | | | | This patch makes needlessly global functions static. Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: David S. Miller <davem@davemloft.net>
* | [IPV4]: net/ipv4/ipconfig.c should #include <linux/nfs_fs.h>Adrian Bunk2005-09-051-0/+1
| | | | | | | | | | | | | | | | | | | | Every file should #include the header files containing the prototypes of it's global functions. nfs_fs.h contains the prototype of root_nfs_parse_addr(). Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: David S. Miller <davem@davemloft.net>
* | [ATM]: net/atm/ioctl.c should #include "common.h"Adrian Bunk2005-09-051-0/+1
|/ | | | | | | | | | Every file should #include the header files containing the prototypes of it's global functions. common.h contains the prototype for vcc_ioctl(). Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: David S. Miller <davem@davemloft.net>
* Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 Linus Torvalds2005-09-0520-213/+134
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| * [TCP]: Keep TSO enabled even during loss events.David S. Miller2005-09-012-47/+44
| | | | | | | | | | | | | | | | | | | | All we need to do is resegment the queue so that we record SACK information accurately. The edges of the SACK blocks guide our resegmenting decisions. With help from Herbert Xu. Signed-off-by: David S. Miller <davem@davemloft.net>
| * [TCP]: Fix sk_forward_alloc underflow in tcp_sendmsgHerbert Xu2005-09-011-5/+9
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | I've finally found a potential cause of the sk_forward_alloc underflows that people have been reporting sporadically. When tcp_sendmsg tacks on extra bits to an existing TCP_PAGE we don't check sk_forward_alloc even though a large amount of time may have elapsed since we allocated the page. In the mean time someone could've come along and liberated packets and reclaimed sk_forward_alloc memory. This patch makes tcp_sendmsg check sk_forward_alloc every time as we do in do_tcp_sendpages. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [NET]: Add sk_stream_wmem_scheduleHerbert Xu2005-09-011-2/+1
| | | | | | | | | | | | | | | | This patch introduces sk_stream_wmem_schedule as a short-hand for the sk_forward_alloc checking on egress. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [IPV6]: Repair Incoming Interface Handling for Raw Socket.YOSHIFUJI Hideaki2005-09-012-3/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Due to changes to enforce checking interface bindings, sockets did not see loopback packets bound for our local address on our interface. e.g.) When we ping6 fe80::1%eth0, skb->dev points loopback_dev while IP6CB(skb)->iif indicates eth0. This patch fixes the issue by using appropriate incoming interface, in the sense of scoping architecture. Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [CRYPTO]: crypto_free_tfm() callers no longer need to check for NULLJesper Juhl2005-09-0112-84/+42
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Since the patch to add a NULL short-circuit to crypto_free_tfm() went in, there's no longer any need for callers of that function to check for NULL. This patch removes the redundant NULL checks and also a few similar checks for NULL before calls to kfree() that I ran into while doing the crypto_free_tfm bits. I've succesfuly compile tested this patch, and a kernel with the patch applied boots and runs just fine. When I posted the patch to LKML (and other lists/people on Cc) it drew the following comments : J. Bruce Fields commented "I've no problem with the auth_gss or nfsv4 bits.--b." Sridhar Samudrala said "sctp change looks fine." Herbert Xu signed off on the patch. So, I guess this is ready to be dropped into -mm and eventually mainline. Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [NETFILTER]: CLUSTERIP: fix memcpy() length typoKOVACS Krisztian2005-09-011-1/+1
| | | | | | | | | | | | | | | | Fix a trivial typo in clusterip_config_init(). 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>
| * [DECNET]: Tidy send side socket SKB allocation.Patrick Caulfield2005-09-012-70/+33
| | | | | | | | | | | | | | | | | | | | | | Patch from Steve Whitehouse which I've vetted and tested: "This patch is really intended has a move towards fixing the sendmsg/recvmsg functions in various ways so that we will finally have working nagle. Also reduces code duplication." Signed-off-by: Patrick Caulfield <patrick@tykepenguin.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [CRYPTO]: Use CRYPTO_TFM_REQ_MAY_SLEEP where appropriateHerbert Xu2005-09-011-1/+1
| | | | | | | | | | | | | | | | | | This patch goes through the current users of the crypto layer and sets CRYPTO_TFM_REQ_MAY_SLEEP at crypto_alloc_tfm() where all crypto operations are performed in process context. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* | [PATCH] remove driverfs references from include/linux/cpu.h and ↵Rolf Eike Beer2005-09-021-1/+1
| | | | | | | | | | | | | | | | | | | | net/sunrpc/rpc_pipe.c This patch is against 2.6.10, but still applies cleanly. It's just s/driverfs/sysfs/ in these two files. Signed-off-by: Rolf Eike Beer <eike-kernel@sf-tec.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | /spare/repo/netdev-2.6 branch 'master'Jeff Garzik2005-09-01292-6397/+21640
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| * [CCID3]: Call sk->sk_write_space(sk) when receiving a feedback packetArnaldo Carvalho de Melo2005-08-294-0/+20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This makes the send rate calculations behave way more closely to what is specified, with the jitter previously seen on x and x_recv disappearing completely on non lossy setups. This resembles the tcp_data_snd_check code, that possibly we'll end up using in DCCP as well, perhaps moving this code to inet_connection_sock. For now I'm doing the simplest implementation tho. Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [DCCP]: Introduce DCCP_SOCKOPT_PACKET_SIZEArnaldo Carvalho de Melo2005-08-292-10/+54
| | | | | | | | | | | | | | | | | | So that applications can set dccp_sock->dccps_pkt_size, that in turn is used in the CCID3 half connection init routines to set ccid3hc[tr]x_s and use it in its rate calculations. Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [NETFILTER6]: Add new ip6tables HOPLIMIT targetHarald Welte2005-08-293-0/+135
| | | | | | | | | | | | | | | | This target allows users to modify the hoplimit header field of the IPv6 header. Signed-off-by: Harald Welte <laforge@netfilter.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [NETFILTER]: Add new iptables TTL targetHarald Welte2005-08-293-0/+134
| | | | | | | | | | | | | | This new iptables target allows manipulation of the TTL of an IPv4 packet. Signed-off-by: Harald Welte <laforge@netfilter.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [CCID3]: Move ccid3_hc_rx_detect_loss to packet_history.cArnaldo Carvalho de Melo2005-08-293-79/+89
| | | | | | | | | | | | | | Renaming it to dccp_rx_hist_detect_loss. Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [CCID3]: Move ccid3_hc_rx_add_hist to packet_history.cArnaldo Carvalho de Melo2005-08-294-126/+124
| | | | | | | | | | | | | | Renaming it to dccp_rx_hist_add_packet. Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [DCCP]: Move the calc_X routines to dccp_tfrc_libArnaldo Carvalho de Melo2005-08-294-620/+672
| | | | | | | | | | Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [DCCP]: Introduce dccp_tfrc_lib module with net/dccp/ccids/lib/*.cArnaldo Carvalho de Melo2005-08-294-1/+16
| | | | | | | | | | | | | | | | | | | | | | | | | | I'll now take a look at the other proposed TFRC DCCP CCIDs to find more code that is now in ccid3.c and move to this module, the loss event rate, calc_X, etc most probably will be moved there. The main goal of these changes is to pave the way for the implementation of more TFRC based DCCP CCIDs and to shrink ccid3.c, reducing its complexity and helping in getting it rock solid. Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [DCCP]: Just move packet_history.[ch] to net/dccp/ccids/lib/Arnaldo Carvalho de Melo2005-08-295-4/+4
| | | | | | | | | | Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [CCID3]: Move the loss interval code to loss_interval.[ch]Arnaldo Carvalho de Melo2005-08-295-139/+234
| | | | | | | | | | | | | | | | | | And put this into net/dccp/ccids/lib/, where packet_history.[ch] will also be moved and then we'll have a tfrc_lib.ko module that will be used by dccp_ccid3.ko and other CCIDs that are variations of TFRC (RFC 3448). Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [CCID3]: Move the CCID3 defines to ccid3.hArnaldo Carvalho de Melo2005-08-292-38/+39
| | | | | | | | | | Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [CCID3]: Introduce usecs_divArnaldo Carvalho de Melo2005-08-291-70/+39
| | | | | | | | | | | | | | To avoid open coding this all over the place. Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [CCID3]: Reorganise timeval handlingArnaldo Carvalho de Melo2005-08-293-78/+98
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Introducing functions to add to or subtract from a timeval variable and renaming now_delta to timeval_new_delta that calls do_gettimeofday and then timeval_delta, that should be used when there are several deltas made relative to the current time or setting variables to it, so as to avoid calling do_gettimeofday excessively. I'm leaving these "timeval_" prefixed funcions internal to DCCP for a while till we're sure there are no subtle bugs in it. It also is more correct as it checks if the number of usecs added to or subtracted from a tv_usec field is more than 2 seconds. Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [CCID3]: Reflow to mostly fit under 80 columnsArnaldo Carvalho de Melo2005-08-291-114/+176
| | | | | | | | | | | | | | No code changes. Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [DCCP]: Introduce dccp_wait_for_ccid and use it in dccp_write_xmitArnaldo Carvalho de Melo2005-08-294-6/+62
| | | | | | | | | | | | | | | | | | | | This is not quite what I think we should have long term but improves performance for now, so lets use it till we get CCID3 working well, then we can think about using sk_write_queue, perhaps using some ideas from Juwen Lai's old stack for 2.4.20. Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [DCCP]: Make the Debug Menu available when DCCP is statically linked tooArnaldo Carvalho de Melo2005-08-291-2/+2
| | | | | | | | | | Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [NET]: use __read_mostly on kmem_cache_t , DEFINE_SNMP_STAT pointersEric Dumazet2005-08-2929-39/+39
| | | | | | | | | | | | | | | | | | | | | | | | | | This patch puts mostly read only data in the right section (read_mostly), to help sharing of these data between CPUS without memory ping pongs. On one of my production machine, tcp_statistics was sitting in a heavily modified cache line, so *every* SNMP update had to force a reload. Signed-off-by: Eric Dumazet <dada1@cosmosbay.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [LIB]: Make TEXTSEARCH_BM plain tristate like the othersDavid S. Miller2005-08-292-0/+2
| | | | | | | | | | | | And select it when the relevant modules are enabled. Signed-off-by: David S. Miller <davem@davemloft.net>
| * [NET]: net/802: more endian annotationsAlexey Dobriyan2005-08-293-4/+4
| | | | | | | | | | | | | | The rest of endian warnings now belongs to tr.c exclusively. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [IPV4]: Convert FIB Trie to RCU.Robert Olsson2005-08-291-187/+202
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * Removes RW-lock * Proteced read functions uses rcu_dereference proteced with rcu_read_lock() * writing of procted pointer w. rcu_assigen_pointer * Insert/Replace atomic list_replace_rcu * A BUG_ON condition removed.in trie_rebalance With help from Paul E. McKenney. Signed-off-by: Robert Olsson <Robert.Olsson@data.slu.se> Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [IPV4]: Prepare FIB core for RCU.Robert Olsson2005-08-292-1/+3
| | | | | | | | | | | | | | | | | | * RCU versions of hlist_***_rcu * fib_alias partial rcu port just whats needed now. Signed-off-by: Robert Olsson <Robert.Olsson@data.slu.se> Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [IPV4]: Module export of ip_rcv() no longer needed.Ralf Baechle2005-08-291-1/+0
| | | | | | | | | | | | | | | | With ip_rcv nowhere outside the IP stack being used anymore it's EXPORT_SYMBOL is not needed any longer either. Signed-off-by: Ralf Baechle DL5RB <ralf@linux-mips.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [AX25/NETROM/ROSE]: Kill net/ip.h inclusionRalf Baechle2005-08-294-4/+0
| | | | | | | | | | | | | | | | All these are claiming to include <net/ip.h> to get ip_rcv() but in fact don't need the header at all, so away with the inclusion. Signed-off-by: Ralf Baechle DL5RB <ralf@linux-mips.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [AX25/NETROM]: Cleanup direct calls into IP stackRalf Baechle2005-08-293-16/+7
| | | | | | | | | | | | | | | | | | | | | | Get rid of the calls to ip_rcv and arp_rcv which were layering violations anyway. With those being replaced by netif_rx, less parts of AX.25 and relatives depend on INET support actually being enabled. This also will make PF_PACKET sockets work for IP and ARP packets received over AX.25 and for IP packets over NET/ROM. Signed-off-by: Ralf Baechle DL5RB <ralf@linux-mips.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [IPV4]: FIB trie cleanupStephen Hemminger2005-08-291-69/+31
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This is a redo of earlier cleanup stuff: * replace DBG() macro with pr_debug() * get rid of duplicate extern's that are already in fib_lookup.h * use BUG_ON and WARN_ON * don't use BUG checks for null pointers where next statement would get a fault anyway * remove debug printout when rebalance causes deep tree * remove trailing blanks Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: Robert Olsson <robert.olsson@its.uu.se> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [DCCP]: Initial dccp_poll implementationArnaldo Carvalho de Melo2005-08-292-1/+59
| | | | | | | | | | | | | | Tested with a patched netcat, no horror stories so far 8) Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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