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* [B43]: Don't lock irq_lock in debugfs txpower adjustMichael Buesch2007-10-10
| | | | | | | | It's not required and the txpower adjustment must not be in atomic. Signed-off-by: Michael Buesch <mb@bu3sch.de> Signed-off-by: John W. Linville <linville@tuxdriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [P54PCI]: terminate pci tableAndrew Morton2007-10-10
| | | | | | Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: John W. Linville <linville@tuxdriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [ZD1211RD]: add USB id for Telegent TG54USB WLAN adapterUlrich Kunitz2007-10-10
| | | | | | | | | | | | | | | | Reinhard Speyerer reported at 2007-08-10 a new device. Here are the information strings. Product: Telegent TG54USB WLAN Adapter USB ID: 129b:1666 Chip ID: zd1211 chip 129b:1666 v4330 high 00-01-36 RF2959_RF pa0 ----- FCC ID: N89-UW620Z Signed-off-by: Ulrich Kunitz <kune@deine-taler.de> Signed-off-by: Daniel Drake <dsd@gentoo.org> Signed-off-by: John W. Linville <linville@tuxdriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [BCM43XX]: Change radio hardware switch status printk from debug to regularLarry Finger2007-10-10
| | | | | | | | | | | | | Some distros ship bcm43xx with debugging printout disabled. For those BCM43xx devices with radio on/off switches, this makes it impossible to know if the radio is on or off. This patch changes a pair of debug printk's into ordinary printk's. It also changes the message that prints when the radio is initialized to the off state as the old message seems to confuse users. Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: John W. Linville <linville@tuxdriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [ZD1211RW]: Don't needlessly initialize variable to NULL in zd_chipJesper Juhl2007-10-10
| | | | | | | | | No need to initialize to NULL when variable is never used before it's assigned the return value of a kmalloc() call. Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET]: note that NETIF_F_LLTX is deprecatedChristian Borntraeger2007-10-10
| | | | | | | | | | | | | | | Am Freitag, 21. September 2007 schrieb Herbert Xu: > Please don't use LLTX in new drivers. We're trying to get rid > of it since it's > > 1) unnecessary; > 2) causes problems with AF_PACKET seeing things twice. I suggest to document that LLTX is deprecated. Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com> Acked-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IWLWIFI]: remove per-file CFLAGS for IWL defineZhu Yi2007-10-10
| | | | | Signed-off-by: Zhu Yi <yi.zhu@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET_SCHED]: explict hold dev tx lockJamal Hadi Salim2007-10-10
| | | | | | | | | | | | | | | | | For N cpus, with full throttle traffic on all N CPUs, funneling traffic to the same ethernet device, the devices queue lock is contended by all N CPUs constantly. The TX lock is only contended by a max of 2 CPUS. In the current mode of operation, after all the work of entering the dequeue region, we may endup aborting the path if we are unable to get the tx lock and go back to contend for the queue lock. As N goes up, this gets worse. The changes in this patch result in a small increase in performance with a 4CPU (2xdual-core) with no irq binding. Both e1000 and tg3 showed similar behavior; Signed-off-by: Jamal Hadi Salim <hadi@cyberus.ca> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET]: Dynamically allocate the loopback device, part 2.Daniel Lezcano2007-10-10
| | | | | | | | | | | | Doing this makes loopback.c a better example of how to do a simple network device, and it removes the special case single static allocation of a struct net_device, hopefully making maintenance easier. Signed-off-by: Eric W. Biederman <ebiederm@xmission.com> Signed-off-by: Daniel Lezcano <dlezcano@fr.ibm.com> Acked-By: Kirill Korotaev <dev@sw.ru> Acked-by: Benjamin Thery <benjamin.thery@bull.net>
* [NET]: Dynamically allocate the loopback device, part 1.Daniel Lezcano2007-10-10
| | | | | | | | | | | | | This patch replaces all occurences to the static variable loopback_dev to a pointer loopback_dev. That provides the mindless, trivial, uninteressting change part for the dynamic allocation for the loopback. Signed-off-by: Eric W. Biederman <ebiederm@xmission.com> Signed-off-by: Daniel Lezcano <dlezcano@fr.ibm.com> Acked-By: Kirill Korotaev <dev@sw.ru> Acked-by: Benjamin Thery <benjamin.thery@bull.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NL80211]: add netlink interface to cfg80211Johannes Berg2007-10-10
| | | | | | Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [TCP]: Minor coding style fixup.David S. Miller2007-10-10
| | | | Signed-off-by: David S. Miller <davem@davemloft.net>
* [TCP]: Avoid clearing sacktag hint in trivial situationsIlpo Järvinen2007-10-10
| | | | | | | | | | There's no reason to clear the sacktag skb hint when small part of the rexmit queue changes. Account changes (if any) instead when fragmenting/collapsing. RTO/FRTO do not touch SACKED_ACKED bits so no need to discard SACK tag hint at all. Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi> Signed-off-by: David S. Miller <davem@davemloft.net>
* [TCP]: Enable SACK enhanced FRTO (RFC4138) by defaultIlpo Järvinen2007-10-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Most of the description that follows comes from my mail to netdev (some editing done): Main obstacle to FRTO use is its deployment as it has to be on the sender side where as wireless link is often the receiver's access link. Take initiative on behalf of unlucky receivers and enable it by default in future Linux TCP senders. Also IETF seems to interested in advancing FRTO from experimental [1]. How does FRTO help? =================== FRTO detects spurious RTOs and avoids a number of unnecessary retransmissions and a couple of other problems that can arise due to incorrect guess made at RTO (i.e., that segments were lost when they actually got delayed which is likely to occur e.g. in wireless environments with link-layer retransmission). Though FRTO cannot prevent the first (potentially unnecessary) retransmission at RTO, I suspect that it won't cost that much even if you have to pay for each bit (won't be that high percentage out of all packets after all :-)). However, usually when you have a spurious RTO, not only the first segment unnecessarily retransmitted but the *whole window*. It goes like this: all cumulative ACKs got delayed due to in-order delivery, then TCP will actually send 1.5*original cwnd worth of data in the RTO's slow-start when the delayed ACKs arrive (basically the original cwnd worth of it unnecessarily). In case one is interested in minimizing unnecessary retransmissions e.g. due to cost, those rexmissions must never see daylight. Besides, in the worst case the generated burst overloads the bottleneck buffers which is likely to significantly delay the further progress of the flow. In case of ll rexmissions, ACK compression often occurs at the same time making the burst very "sharp edged" (in that case TCP often loses most of the segments above high_seq => very bad performance too). When FRTO is enabled, those unnecessary retransmissions are fully avoided except for the first segment and the cwnd behavior after detected spurious RTO is determined by the response (one can tune that by sysctl). Basic version (non-SACK enhanced one), FRTO can fail to detect spurious RTO as spurious and falls back to conservative behavior. ACK lossage is much less significant than reordering, usually the FRTO can detect spurious RTO if at least 2 cumulative ACKs from original window are preserved (excluding the ACK that advances to high_seq). With SACK-enhanced version, the detection is quite robust. FRTO should remove the need to set a high lower bound for the RTO estimator due to delay spikes that occur relatively common in some environments (esp. in wireless/cellular ones). [1] http://www1.ietf.org/mail-archive/web/tcpm/current/msg02862.html Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi> Signed-off-by: David S. Miller <davem@davemloft.net>
* [TCP] FRTO: Update sysctl documentationIlpo Järvinen2007-10-10
| | | | | | | | | | Since the SACK enhanced FRTO was added, the code has been under test numerous times so remove "experimental" claim from the documentation. Also be a bit more verbose about the usage. Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi> Signed-off-by: David S. Miller <davem@davemloft.net>
* [TCP] FRTO: Improve interoperability with other undo_marker usersIlpo Järvinen2007-10-10
| | | | | | | | | | | | | | | | Basically this change enables it, previously other undo_marker users were left with nothing. Reverse undo_marker logic completely to get it set right in CA_Loss. On the other hand, when spurious RTO is detected, clear it. Clearing might be too heavy for some scenarios but seems safe enough starting point for now and shouldn't have much effect except in majority of cases (if in any). By adding a new FLAG_ we avoid looping through write_queue when RTO occurs. Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi> Signed-off-by: David S. Miller <davem@davemloft.net>
* [TCP]: Cleanup tcp_tso_acked and tcp_clean_rtx_queueIlpo Järvinen2007-10-10
| | | | | | | | | | | | | | | | Implements following cleanups: - Comment re-placement (CodingStyle) - tcp_tso_acked() local (wrapper-like) variable removal (readability) - __-types removed (IMHO they make local variables jumpy looking and just was space) - acked -> flag (naming conventions elsewhere in TCP code) - linebreak adjustments (readability) - nested if()s combined (reduced indentation) - clarifying newlines added Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi> Signed-off-by: David S. Miller <davem@davemloft.net>
* [TCP]: Move accounting from tso_acked to clean_rtx_queueIlpo Järvinen2007-10-10
| | | | | | | | | | | | The accounting code is pretty much the same, so it's a shame we do it in two places. I'm not too sure if added fully_acked check in MTU probing is really what we want perhaps the added end_seq could be used in the after() comparison. Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi> Signed-off-by: David S. Miller <davem@davemloft.net>
* [TCP]: clear_all_retrans_hints prefixed by tcp_Ilpo Järvinen2007-10-10
| | | | | | In addition, fix its function comment spacing. Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
* [TCP]: Make fackets_out accurateIlpo Järvinen2007-10-10
| | | | | | | | | Substraction for fackets_out is unconditional when snd_una advances, thus there's no need to do it inside the loop. Just make sure correct bounds are honored. Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi> Signed-off-by: David S. Miller <davem@davemloft.net>
* [TCP]: Maintain highest_sack accurately to the highest skbIlpo Järvinen2007-10-10
| | | | | | | | | | | | | | | | | In general, it should not be necessary to call tcp_fragment for already SACKed skbs, but it's better to be safe than sorry. And indeed, it can be called from sacktag when a DSACK arrives or some ACK (with SACK) reordering occurs (sacktag could be made to avoid the call in the latter case though I'm not sure if it's worth of the trouble and added complexity to cover such marginal case). The collapse case has return for SACKED_ACKED case earlier, so just WARN_ON if internal inconsistency is detected for some reason. Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi> Signed-off-by: David S. Miller <davem@davemloft.net>
* [B43]: Fix sparse warnings.Michael Buesch2007-10-10
| | | | | | | The remaining warning in phy.c will be fixed later. Signed-off-by: Michael Buesch <mb@bu3sch.de> Signed-off-by: David S. Miller <davem@davemloft.net>
* cxgb3: trivial endianness annotationsAl Viro2007-10-10
| | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* 3c509: endiannessAl Viro2007-10-10
| | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* drivers/net/appletalk: endiannessAl Viro2007-10-10
| | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* tms380tr: trivial endianness annotationsAl Viro2007-10-10
| | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* pppoe: endiannessAl Viro2007-10-10
| | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* via-rhine: endiannessAl Viro2007-10-10
| | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* r8169: endiannessAl Viro2007-10-10
| | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* starfire: trivial endianness annotationsAl Viro2007-10-10
| | | | | | | | Note: we still have several fishy areas - mcast filter and vlan handling. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* drivers/net/irda: endianness, NULL noiseAl Viro2007-10-10
| | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* ixgb: endiannessAl Viro2007-10-10
| | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* pcnet32: endiannessAl Viro2007-10-10
| | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* typhoon: trivial endianness annotationsAl Viro2007-10-10
| | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* tulip: endianness annotationsAl Viro2007-10-10
| | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* arcnet endianness annotationsAl Viro2007-10-10
| | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* amd8111e big-endian fixAl Viro2007-10-10
| | | | | | | | amd8111e_calc_coalesce() ends up with insane values of tx_data_rate since ->tx_bytes increments missing conversion from little- to host-endian Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* amd8111e: trivial endianness annotations, NULL noise removalAl Viro2007-10-10
| | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* 3c59x: trivial endianness annotations, NULL noise removalAl Viro2007-10-10
| | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* fix vlan in 8139cp on big-endianAl Viro2007-10-10
| | | | | | | | | | | | | Layout of opts2 is : MSB(vlan_tag) : LSB(vlan_tag) : flags : 0 : regardless of the host endianness. On little-endian the current code ends up with the right values, but on big-endian it blows. In r8169.c the same bug had been fixed in commit d35da12a40426184b1d0844104b1d464753eba19 (r8169: endianness fixes). Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* endianness annotations drivers/net/bonding/Al Viro2007-10-10
| | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* s390 networking MAINTAINERSUrsula Braun2007-10-10
| | | | | | | maintainer change for s390 networking Signed-off-by: Ursula Braun <braunu@de.ibm.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* FS_ENET: Add polling supportVitaly Bordug2007-10-10
| | | | | Signed-off-by: Vitaly Bordug <vitb@kernel.crashing.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* FS_ENET: TX stuff should use fep->tx_lock, instead of fep->lock.Vitaly Bordug2007-10-10
| | | | | Signed-off-by: Vitaly Bordug <vitb@kernel.crashing.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* NET_SB1250_MAC: Rename to SB1250_MACMaciej W. Rozycki2007-10-10
| | | | | | | Rename NET_SB1250_MAC to SB1250_MAC to follow the convention. Signed-off-by: Maciej W. Rozycki <macro@linux-mips.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* NET_SB1250_MAC: Update Kconfig entryMaciej W. Rozycki2007-10-10
| | | | | | | | The SB1250 network interfaces are Gigabit Ethernet ones. Move the Kconfig entry to the appropriate section and add some help text. Signed-off-by: Maciej W. Rozycki <macro@linux-mips.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* netxen: ethtool fixesDhananjay Phadke2007-10-10
| | | | | | | | | | | Resubmitting the patch. This patch improves ethtool support for printing correct ring statistics, segmentation offload status, etc. Signed-off by: Dhananjay Phadke <dhananjay@netxen.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* Device tree aware EMAC driverDavid Gibson2007-10-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | Based on BenH's earlier work, this is a new version of the EMAC driver for the built-in ethernet found on PowerPC 4xx embedded CPUs. The same ASIC is also found in the Axon bridge chip. This new version is designed to work in the arch/powerpc tree, using the device tree to probe the device, rather than the old and ugly arch/ppc OCP layer. This driver is designed to sit alongside the old driver (that lies in drivers/net/ibm_emac and this one in drivers/net/ibm_newemac). The old driver is left in place to support arch/ppc until arch/ppc itself reaches its final demise (not too long now, with luck). This driver still has a number of things that could do with cleaning up, but I think they can be fixed up after merging. Specifically: - Should be adjusted to properly use the dma mapping API. Axon needs this. - Probe logic needs reworking, in conjuction with the general probing code for of_platform devices. The dependencies here between EMAC, MAL, ZMII etc. make this complicated. At present, it usually works, because we initialize and register the sub-drivers before the EMAC driver itself, and (being in driver code) runs after the devices themselves have been instantiated from the device tree. Signed-off-by: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* 8139cp: trivial endianness annotationsAl Viro2007-10-10
| | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* Blackfin EMAC driver: add a select for the PHYLIB of this driverBryan Wu2007-10-10
| | | | | | | | Since we are adding requirement for the PHYLIB for this driver, there should be a select for that Cc: Robin Getz <robin.getz@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
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