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* net: corrected documentation for hardware time stampingPatrick Loschmidt2010-04-08
| | | | | | | | | The current documentation for hardware time stamping does not correctly specify the available kernel functions since the implementation was changed later on. Signed-off-by: Patrick Loschmidt <Patrick.Loschmidt@oeaw.ac.at> Signed-off-by: David S. Miller <davem@davemloft.net>
* stmmac: add documentation for the driver.Giuseppe CAVALLARO2010-04-01
| | | | | | | | Add Documentation/networking/stmmac.txt for the stmmac network driver. Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* Merge branch 'master' of /home/davem/src/GIT/linux-2.6/David S. Miller2010-03-15
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| * Merge branch 'for-next' into for-linusJiri Kosina2010-03-08
| |\ | | | | | | | | | | | | | | | | | | | | | | | | Conflicts: Documentation/filesystems/proc.txt arch/arm/mach-u300/include/mach/debug-macro.S drivers/net/qlge/qlge_ethtool.c drivers/net/qlge/qlge_main.c drivers/net/typhoon.c
| | * tree-wide: Assorted spelling fixesDaniel Mack2010-02-09
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In particular, several occurances of funny versions of 'success', 'unknown', 'therefore', 'acknowledge', 'argument', 'achieve', 'address', 'beginning', 'desirable', 'separate' and 'necessary' are fixed. Signed-off-by: Daniel Mack <daniel@caiaq.de> Cc: Joe Perches <joe@perches.com> Cc: Junio C Hamano <gitster@pobox.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
| | * doc: fix checking socket() in net tstamp exampleAli Gholami Rudi2010-02-04
| | | | | | | | | | | | | | | | | | Signed-off-by: Ali Gholami Rudi <ali@rudi.ir> Acked-by: Patrick Ohly <patrick.ohly@intel.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
| * | Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6Linus Torvalds2010-03-03
| |\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6: (220 commits) USB: backlight, appledisplay: fix incomplete registration failure handling USB: pl2303: remove unnecessary reset of usb_device in urbs USB: ftdi_sio: remove obsolete check in unthrottle USB: ftdi_sio: remove unused tx_bytes counter USB: qcaux: driver for auxiliary serial ports on Qualcomm devices USB: pl2303: initial TIOCGSERIAL support USB: option: add Longcheer/Longsung vendor ID USB: fix I2C API usage in ohci-pnx4008. USB: usbmon: mask seconds properly in text API USB: sisusbvga: no unnecessary GFP_ATOMIC USB: storage: onetouch: unnecessary GFP_ATOMIC USB: serial: ftdi: add CONTEC vendor and product id USB: remove references to port->port.count from the serial drivers USB: tty: Prune uses of tty_request_room in the USB layer USB: tty: Add a function to insert a string of characters with the same flag USB: don't read past config->interface[] if usb_control_msg() fails in usb_reset_configuration() USB: tty: kill request_room for USB ACM class USB: tty: sort out the request_room handling for whiteheat USB: storage: fix misplaced parenthesis USB: vstusb.c: removal of driver for Vernier Software & Technology, Inc., devices and spectrometers ...
| | * | USB: cxacru: remove cxacru-cf.bin loaderSimon Arlott2010-03-02
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This has never worked properly because wsize passed to cxacru_cm() is incorrectly set to the number of values instead of the data bytes. The maximum number of values that can be set at once is 7 which means the device will not get enough data to work with and none of the configuration values will be used. At least one existing cxacru-cf.bin file contains invalid data which will prevent the modem from syncing properly. Fixing it is likely to break existing systems, and the new sysfs interface for setting configuration parameters can provide the same functionality. A script is provided to convert from the original format. Signed-off-by: Simon Arlott <simon@fire.lp0.eu> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| | * | USB: cxacru: add write-only sysfs attribute for modem configurationSimon Arlott2010-03-02
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The modem can be configured using CM_REQUEST_CARD_DATA_SET, although CM_REQUEST_CARD_DATA_GET does not return any data. Tested by setting the modulation (0x0a) option. There is a list of parameters in the following archive, but the meaning of many of them is not well documented: http://sourceforge.net/project/shownotes.php?release_id=301825 This source also indicates that the highest parameter set is 0x4a but this varies by model so an arbitrary limit of 0x7f has been used (the index is a 32-bit integer). Signed-off-by: Simon Arlott <simon@fire.lp0.eu> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| | * | USB: cxacru: return an empty value for modulation if there is no connectionSimon Arlott2010-03-02
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When there is no connection, return an empty string instead of "0" for the connection modulation. Signed-off-by: Simon Arlott <simon@fire.lp0.eu> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* | | | timestamping: fix example buildRandy Dunlap2010-03-15
|/ / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fix Makefiles so that Documentation/networking/timestamping/timestamping.c will build when using the CONFIG_BUILD_DOCSRC kconfig option. (timestamping.c does not build currently with its simple Makefile.) Also fix printf format warnings. Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Cc: Patrick Ohly <patrick.ohly@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | | Merge branch 'master' of ↵David S. Miller2010-02-26
|\| | | | | | | | | | | master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
| * | IPv6: better document max_addresses parameterBrian Haley2010-02-23
| |/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Andrew Morton wrote: >> >From ip-sysctl.txt file in kernel documentation I can see following description >> for max_addresses: >> max_addresses - INTEGER >> Number of maximum addresses per interface. 0 disables limitation. >> It is recommended not set too large value (or 0) because it would >> be too easy way to crash kernel to allow to create too much of >> autoconfigured addresses. ^^^^^^^^^^^^^^ >> If this parameter applies only for auto-configured IP addressed, please state >> it more clearly in docs or rename the parameter to show that it refers to >> auto-configuration. It did mention autoconfigured in the text, but the below makes it more obvious. More clearly document IPv6 max_addresses parameter. Signed-off-by: Brian Haley <brian.haley@hp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | net: TCP thin dupackAndreas Petlund2010-02-18
| | | | | | | | | | | | | | | | | | | | | | | | This patch enables fast retransmissions after one dupACK for TCP if the stream is identified as thin. This will reduce latencies for thin streams that are not able to trigger fast retransmissions due to high packet interarrival time. This mechanism is only active if enabled by iocontrol or syscontrol and the stream is identified as thin. Signed-off-by: Andreas Petlund <apetlund@simula.no> Signed-off-by: David S. Miller <davem@davemloft.net>
* | net: TCP thin linear timeoutsAndreas Petlund2010-02-18
| | | | | | | | | | | | | | | | | | | | | | | | This patch will make TCP use only linear timeouts if the stream is thin. This will help to avoid the very high latencies that thin stream suffer because of exponential backoff. This mechanism is only active if enabled by iocontrol or syscontrol and the stream is identified as thin. A maximum of 6 linear timeouts is tried before exponential backoff is resumed. Signed-off-by: Andreas Petlund <apetlund@simula.no> Signed-off-by: David S. Miller <davem@davemloft.net>
* | net: TCP thin-stream detectionAndreas Petlund2010-02-18
| | | | | | | | | | | | | | | | | | Inline function to dynamically detect thin streams based on the number of packets in flight. Used to dynamically trigger thin-stream mechanisms if enabled by ioctl or sysctl. Signed-off-by: Andreas Petlund <apetlund@simula.no> Signed-off-by: David S. Miller <davem@davemloft.net>
* | dccp: allow probing of CCID-array lengthGerrit Renker2010-02-12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This fixes a problem in the DCCP getsockopt() API: currently there is no way for a user to a priori know the number of built-in CCIDs, other than trying DCCP_SOCKOPT_AVAILABLE_CCIDS in a loop, incrementing the option length until EINVAL is no longer returned. This patch truncates the array to the user-provided length. No copy is made when the length is <= 0. Due to the length restriction in do_dccp_getsockopt() to sizeof(int), the minimum array length remains 4, which is a reasonable default (only 3 CCIDs, CCID-2..4, are currently defined). Signed-off-by: Gerrit Renker <gerrit@erg.abdn.ac.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
* | packet: Kill CONFIG_PACKET_MMAP.David S. Miller2010-02-05
| | | | | | | | | | | | | | | | | | | | | | | | | | Early on this was an experimental facility that few people other than Alexey Kuznetsov played with. Now it's a pretty fundamental thing and as people add more features to AF_PACKET sockets this config options creates ifdef spaghetti. So kill it off. Signed-off-by: David S. Miller <davem@davemloft.net>
* | Merge branch 'master' of ↵David S. Miller2010-01-23
|\| | | | | | | master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
| * Documentation/3c509: document ethtool supportBen Hutchings2010-01-11
| | | | | | | | | | | | | | | | | | | | 3c509 was changed to support ethtool in 2002, making the 'xcvr' module parameter obsolete in most cases. More recently 3c509 was converted to the modern driver model and this parameter was removed. Fix the documentation to refer to ethtool rather than the module parameter. Signed-off-by: Ben Hutchings <ben@decadent.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
* | ipv4: allow warming up the ARP cache with request type gratuitous ARPOctavian Purdila2010-01-19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If the per device ARP_ACCEPT option is enable, currently we only allow creating new ARP cache entries for response type gratuitous ARP. Allowing gratuitous ARP to create new ARP entries (not only to update existing ones) is useful when we want to avoid unnecessary delays for the first packet of a stream. This patch allows request type gratuitous ARP to create new ARP cache entries as well. This is useful when we want to populate the ARP cache entries for a large number of hosts on the same LAN. Signed-off-by: Octavian Purdila <opurdila@ixiacom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | ixgbevf: Kconfig, Makefile and DocumentationGreg Rose2010-01-10
| | | | | | | | | | | | | | | | | | Modifications for the Kconfig and network device Makefile to add the ixgbevf driver module to the kernel plus basic driver documentation. Signed-off-by: Greg Rose <gregory.v.rose@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | net: RFC3069, private VLAN proxy arp supportJesper Dangaard Brouer2010-01-07
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This is to be used together with switch technologies, like RFC3069, that where the individual ports are not allowed to communicate with each other, but they are allowed to talk to the upstream router. As described in RFC 3069, it is possible to allow these hosts to communicate through the upstream router by proxy_arp'ing. This patch basically allow proxy arp replies back to the same interface (from which the ARP request/solicitation was received). Tunable per device via proc "proxy_arp_pvlan": /proc/sys/net/ipv4/conf/*/proxy_arp_pvlan This switch technology is known by different vendor names: - In RFC 3069 it is called VLAN Aggregation. - Cisco and Allied Telesyn call it Private VLAN. - Hewlett-Packard call it Source-Port filtering or port-isolation. - Ericsson call it MAC-Forced Forwarding (RFC Draft). Signed-off-by: Jesper Dangaard Brouer <hawk@comx.dk> Signed-off-by: David S. Miller <davem@davemloft.net>
* | wireless: support internal statically compiled regulatory databaseJohn W. Linville2009-12-21
|/ | | | | | | | | | | | This patch provides infrastructure for machine translation of the regulatory rules database used by CRDA into a C data structure. It includes code for searching that database as an alternative to dynamic regulatory rules updates via CRDA. Most people should use CRDA instead of this infrastructure, but it provides a better alternative than the WIRELESS_OLD_REGULATORY infrastructure (which can now be removed). Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ipv4 05/05: add sysctl to accept packets with local source addressesPatrick McHardy2009-12-03
| | | | | | | | | | | | | | | | | commit 8ec1e0ebe26087bfc5c0394ada5feb5758014fc8 Author: Patrick McHardy <kaber@trash.net> Date: Thu Dec 3 12:16:35 2009 +0100 ipv4: add sysctl to accept packets with local source addresses Change fib_validate_source() to accept packets with a local source address when the "accept_local" sysctl is set for the incoming inet device. Combined with the previous patches, this allows to communicate between multiple local interfaces over the wire. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* TCPCT part 1c: sysctl_tcp_cookie_size, socket option TCP_COOKIE_TRANSACTIONSWilliam Allen Simpson2009-12-03
| | | | | | | | | | | | | | | | | | | | | | | | | | Define sysctl (tcp_cookie_size) to turn on and off the cookie option default globally, instead of a compiled configuration option. Define per socket option (TCP_COOKIE_TRANSACTIONS) for setting constant data values, retrieving variable cookie values, and other facilities. Move inline tcp_clear_options() unchanged from net/tcp.h to linux/tcp.h, near its corresponding struct tcp_options_received (prior to changes). This is a straightforward re-implementation of an earlier (year-old) patch that no longer applies cleanly, with permission of the original author (Adam Langley): http://thread.gmane.org/gmane.linux.network/102586 These functions will also be used in subsequent patches that implement additional features. Requires: net: TCP_MSS_DEFAULT, TCP_MSS_DESIRED Signed-off-by: William.Allen.Simpson@gmail.com Signed-off-by: David S. Miller <davem@davemloft.net>
* Merge branch 'master' of ↵David S. Miller2009-12-03
|\ | | | | | | master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
| * ip: update the description of rp_filter in ip-sysctl.txtShan Wei2009-12-02
| | | | | | | | | | | | | | | | | | | | | | | | The commit 27fed4175acf81ddd91d9a4ee2fd298981f60295 (ip: fix logic of reverse path filter sysctl) has changed the logic of rp_filter. The document about rp_filter is out of date. Now, setting conf/all/rp_filte with 0 can also enable source validation. Update the document according to the commit. Signed-off-by: Shan Wei <shanwei@cn.fujitsu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | make TLLAO option for NA packets configurableOctavian Purdila2009-10-07
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | On Friday 02 October 2009 20:53:51 you wrote: > This is good although I would have shortened the name. Ah, I knew I forgot something :) Here is v4. tavi >From 24d96d825b9fa832b22878cc6c990d5711968734 Mon Sep 17 00:00:00 2001 From: Octavian Purdila <opurdila@ixiacom.com> Date: Fri, 2 Oct 2009 00:51:15 +0300 Subject: [PATCH] ipv6: new sysctl for sending TLLAO with unicast NAs Neighbor advertisements responding to unicast neighbor solicitations did not include the target link-layer address option. This patch adds a new sysctl option (disabled by default) which controls whether this option should be sent even with unicast NAs. The need for this arose because certain routers expect the TLLAO in some situations even as a response to unicast NS packets. Moreover, RFC 2461 recommends sending this to avoid a race condition (section 4.4, Target link-layer address) Signed-off-by: Cosmin Ratiu <cratiu@ixiacom.com> Signed-off-by: Octavian Purdila <opurdila@ixiacom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | bonding: introduce primary_reselect optionJiri Pirko2009-10-07
|/ | | | | | | | | | | | | | | | In some cases there is not desirable to switch back to primary interface when it's link recovers and rather stay with currently active one. We need to avoid packetloss as much as we can in some cases. This is solved by introducing primary_reselect option. Note that enslaved primary slave is set as current active no matter what. Patch modified by Jay Vosburgh as follows: fixed bug in action after change of option setting via sysfs, revised the documentation update, and bumped the bonding version number. Signed-off-by: Jiri Pirko <jpirko@redhat.com> Signed-off-by: Jay Vosburgh <fubar@us.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* pktgen: Fix multiqueue handlingEric Dumazet2009-10-05
| | | | | | | | | | | | | | | | | | | It is not currently possible to instruct pktgen to use one selected tx queue. When Robert added multiqueue support in commit 45b270f8, he added an interval (queue_map_min, queue_map_max), and his code doesnt take into account the case of min = max, to select one tx queue exactly. I suspect a high performance setup on a eight txqueue device wants to use exactly eight cpus, and assign one tx queue to each sender. This patchs makes pktgen select the right tx queue, not the first one. Also updates Documentation to reflect Robert changes. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: Robert Olsson <robert.olsson@its.uu.se> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: Fix wrong sizeofJean Delvare2009-10-02
| | | | | | | | | | Which is why I have always preferred sizeof(struct foo) over sizeof(var). Signed-off-by: Jean Delvare <khali@linux-fr.org> Acked-by: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* trivial: fix typo "to to" in multiple filesAnand Gadiyar2009-09-21
| | | | | Signed-off-by: Anand Gadiyar <gadiyar@ti.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
* sctp: Sysctl configuration for IPv4 Address ScopingBhaskar Dutta2009-09-04
| | | | | | | | | | | | | | | | | | | | | | | | | | | This patch introduces a new sysctl option to make IPv4 Address Scoping configurable <draft-stewart-tsvwg-sctp-ipv4-00.txt>. In networking environments where DNAT rules in iptables prerouting chains convert destination IP's to link-local/private IP addresses, SCTP connections fail to establish as the INIT chunk is dropped by the kernel due to address scope match failure. For example to support overlapping IP addresses (same IP address with different vlan id) a Layer-5 application listens on link local IP's, and there is a DNAT rule that maps the destination IP to a link local IP. Such applications never get the SCTP INIT if the address-scoping draft is strictly followed. This sysctl configuration allows SCTP to function in such unconventional networking environments. Sysctl options: 0 - Disable IPv4 address scoping draft altogether 1 - Enable IPv4 address scoping (default, current behavior) 2 - Enable address scoping but allow IPv4 private addresses in init/init-ack 3 - Enable address scoping but allow IPv4 link local address in init/init-ack Signed-off-by: Bhaskar Dutta <bhaskar.dutta@globallogic.com> Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
* RTO connection timeout: sysctl documentation updateDamian Lukowski2009-09-01
| | | | | | | | This patch updates the sysctl documentation concerning the interpretation of tcp_retries{1,2} and tcp_orphan_retries. Signed-off-by: Damian Lukowski <damian@tvk.rwth-aachen.de> Signed-off-by: David S. Miller <davem@davemloft.net>
* ieee802154: document the skb->cb usage clearly.Dmitry Eremin-Solenikov2009-08-19
| | | | Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
* documentation: fix wrt. headers renameDmitry Baryshkov2009-08-12
| | | | | Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* Merge branch 'for-linus' of ↵David S. Miller2009-07-27
|\ | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/lowpan/lowpan
| * trivial: fix typo in ieee802154 documentation and add it to indexThadeu Lima de Souza Cascardo2009-07-27
| | | | | | | | Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@holoscopio.com>
* | Update Andreas Koensgen's email addressRalf Baechle2009-07-17
|/ | | | | | | The kernel has used a stale email address of Andreas for a few years. Signed-off-by: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* Merge branch 'master' of ↵David S. Miller2009-06-15
|\ | | | | | | | | | | | | | | | | | | master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6 Conflicts: Documentation/feature-removal-schedule.txt drivers/scsi/fcoe/fcoe.c net/core/drop_monitor.c net/core/net-traces.c
| * trivial: Miscellaneous documentation typo fixesMatt LaPlante2009-06-12
| | | | | | | | | | | | | | Fix various typos in documentation txts. Signed-off-by: Matt LaPlante <kernel1@cyberdogtech.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
* | [PATCH] net core: Some interface flags not returned by SIOCGIFFLAGSJohn Dykstra2009-06-11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Commit b00055aacdb172c05067612278ba27265fcd05ce " [NET] core: add RFC2863 operstate" defined new interface flag values. Its documentation specified that these flags could be accessed from user space via SIOCGIFFLAGS. However, this does not work because the new flags do not fit in that ioctl's argument width. Change the documentation to match the code's behavior. Also change the source to explicitly show the truncation. This _should_ have no effect on executable code, and did not with gcc 4.2.4 generating x86 code. A new ioctl could be defined to return all interface flags to user space. However, since this has been broken for three years with no one complaining, there doesn't seem much need. They are still accessible via netlink. Reported-by: "Fredrik Arnerup" <fredrik.arnerup@edgeware.tv> Signed-off-by: John Dykstra <john.dykstra1@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | ieee802154: add documentation about our stackSergey Lapin2009-06-09
| | | | | | | | | | | | | | | | | | Add MAINTAINERS entry and a small text describing our stack interfaces, how to hook the drivers, etc. Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> Signed-off-by: Sergey Lapin <slapin@ossfans.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* | IPv6: Add 'autoconf' and 'disable_ipv6' module parametersBrian Haley2009-06-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Add 'autoconf' and 'disable_ipv6' parameters to the IPv6 module. The first controls if IPv6 addresses are autoconfigured from prefixes received in Router Advertisements. The IPv6 loopback (::1) and link-local addresses are still configured. The second controls if IPv6 addresses are desired at all. No IPv6 addresses will be added to any interfaces. Signed-off-by: Brian Haley <brian.haley@hp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | net: TX_RING and packet mmapJohann Baudy2009-05-19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | New packet socket feature that makes packet socket more efficient for transmission. - It reduces number of system call through a PACKET_TX_RING mechanism, based on PACKET_RX_RING (Circular buffer allocated in kernel space which is mmapped from user space). - It minimizes CPU copy using fragmented SKB (almost zero copy). Signed-off-by: Johann Baudy <johann.baudy@gnu-log.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* | Merge branch 'master' of ↵David S. Miller2009-05-19
|\| | | | | | | | | | | | | master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 Conflicts: drivers/scsi/fcoe/fcoe.c
| * Doc: fixed descriptions on /proc/sys/net/core/* and /proc/sys/net/unix/*Wang Tinggong2009-05-18
| | | | | | | | | | Signed-off-by: Wang Tinggong <wangtinggong@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | can: Documentation for the CAN device driver interfaceWolfgang Grandegger2009-05-18
| | | | | | | | | | | | | | | | | | This patch documents the CAN netowrk device drivers interface, removes obsolete documentation and adds some useful links to CAN resources. Signed-off-by: Wolfgang Grandegger <wg@grandegger.com> Signed-off-by: Oliver Hartkopp <oliver.hartkopp@volkswagen.de> Signed-off-by: David S. Miller <davem@davemloft.net>
* | tcp: extend ECN sysctl to allow server-side only ECNIlpo Järvinen2009-05-04
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This should be very safe compared with full enabled, so I see no reason why it shouldn't be done right away. As ECN can only be negotiated if the SYN sending party is also supporting it, somebody in the loop probably knows what he/she is doing. If SYN does not ask for ECN, the server side SYN-ACK is identical to what it is without ECN. Thus it's quite safe. The chosen value is safe w.r.t to existing configs which choose to currently set manually either 0 or 1 but silently upgrades those who have not explicitly requested ECN off. Whether to just enable both sides comes up time to time but unless that gets done now we can at least make the servers aware of ECN already. As there are some known problems to occur if ECN is enabled, it's currently questionable whether there's any real gain from enabling clients as servers mostly won't support it anyway (so we'd hit just the negative sides). After enabling the servers and getting that deployed, the client end enable really has some potential gain too. Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi> Signed-off-by: David S. Miller <davem@davemloft.net>
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