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* 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>
| * [DCCP]: Call the HC exit routines at dccp_v4_destroy_sockArnaldo Carvalho de Melo2005-08-291-0/+2
| | | | | | | | | | Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [ICSK]: Generalise tcp_listen_pollArnaldo Carvalho de Melo2005-08-291-10/+1
| | | | | | | | | | Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [DCCP]: Introduce dccp_get_infoArnaldo Carvalho de Melo2005-08-293-1/+70
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | And also hc_tx and hc_rx get_info functions for the CCIDs to fill in information that is specific to them. For now reusing struct tcp_info, later I'll try to figure out a better solution, for now its really nice to get this kind of info: [root@qemu ~]# ./ss -danemi State Recv-Q Send-Q Local Addr:Port Peer Addr:Port LISTEN 0 0 *:5001 *:* ino:628 sk:c1340040 mem:(r0,w0,f0,t0) cwnd:0 ssthresh:0 ESTAB 0 0 172.20.0.2:5001 172.20.0.1:32785 ino:629 sk:c13409a0 mem:(r0,w0,f0,t0) ts rto:1000 rtt:0.004/0 cwnd:0 ssthresh:0 rcv_rtt:61.377 This, for instance, shows that we're not congestion controlling ACKs, as the above output is in the ttcp receiving host, and ttcp is a one way app, i.e. the received never calls sendmsg, so ccid_hc_tx_send_packet is never called, so the TX half connection stays in TFRC_SSTATE_NO_SENT state and hctx_rtt is never calculated, stays with the value set in ccid3_hc_tx_init, 4us, as show above in milliseconds (0.004ms), upcoming patches will fix this. rcv_rtt seems sane tho, matching ping results :-) Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [CCID3]: Calculate the RTT in the RX half connectionArnaldo Carvalho de Melo2005-08-291-29/+38
| | | | | | | | | | | | | | Using TIMESTAMP_ECHO and ELAPSED_TIME options received. Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [DCCP]: Export dccp_insert_option_timestamp to CCIDsArnaldo Carvalho de Melo2005-08-292-4/+6
| | | | | | | | | | | | | | | | And don't insert a TIMESTAMP option in all packets, leave the decision to the CCIDs. Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [CCID]: Make ccid_hc_[rt]x_exit accept NULL argumentsArnaldo Carvalho de Melo2005-08-291-2/+4
| | | | | | | | | | | | | | | | Just like kfree, etc it will just not call the CCID exit routines when the private data area is set to NULL. Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [DCCP]: Send a DATAACK packet when we have a TIMESTAMP_ECHO pendingArnaldo Carvalho de Melo2005-08-291-0/+1
| | | | | | | | | | Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [DCCP]: Fix skb leak in dccp_sendmsgArnaldo Carvalho de Melo2005-08-291-0/+12
| | | | | | | | | | Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [DCCP]: Implement the CLOSING timerArnaldo Carvalho de Melo2005-08-294-31/+46
| | | | | | | | | | | | | | | | | | | | | | So that we retransmit CLOSE/CLOSEREQ packets till they elicit an answer or we hit a timeout. Most of the machinery uses TCP approaches, this code has to be polished & audited, but this is better than we had before. Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [DCCP]: Fix printf format warnings on 64-bit.David S. Miller2005-08-291-2/+8
| | | | | | | | Signed-off-by: David S. Miller <davem@davemloft.net>
| * [NETFILTER]: Add goto targetPatrick McHardy2005-08-292-4/+4
| | | | | | | | | | | | | | | | Originally written by Henrik Nordstrom <hno@marasystems.com>, taken from netfilter patch-o-matic and added ip6_tables support. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [NETFILTER]: Add IPv6 REJECT targetPatrick McHardy2005-08-293-0/+295
| | | | | | | | | | | | | | | | | | Originally written by Yasuyuki Kozakai <yasuyuki.kozakai@toshiba.co.jp>, taken from netfilter patch-o-matic and fixed up to work with current kernels. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [NETFILTER]: Add string matchPablo Neira Ayuso2005-08-293-0/+104
| | | | | | | | | | | | Signed-off-by: Pablo Neira Ayuso <pablo@eurodev.net> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
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