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* RDS: Add flag for silent ops. Do atomic op before RDMAAndy Grover2010-09-08
| | | | | | | | | | | | | Add a flag to the API so users can indicate they want silent operations. This is needed because silent ops cannot be used with USE_ONCE MRs, so we can't just assume silent. Also, change send_xmit to do atomic op before rdma op if both are present, and centralize the hairy logic to determine if we want to attempt silent, or not. Signed-off-by: Andy Grover <andy.grover@oracle.com>
* RDS: Implement atomic operationsAndy Grover2010-09-08
| | | | | | | | | | | | | | Implement a CMSG-based interface to do FADD and CSWP ops. Alter send routines to handle atomic ops. Add atomic counters to stats. Add xmit_atomic() to struct rds_transport Inline rds_ib_send_unmap_rdma into unmap_rm Signed-off-by: Andy Grover <andy.grover@oracle.com>
* drivers/net: avoid some skb->ip_summed initializationsEric Dumazet2010-09-02
| | | | | | | | | | | | | | | | | | | | fresh skbs have ip_summed set to CHECKSUM_NONE (0) We can avoid setting again skb->ip_summed to CHECKSUM_NONE in drivers. Introduce skb_checksum_none_assert() helper so that we keep this assertion documented in driver sources. Change most occurrences of : skb->ip_summed = CHECKSUM_NONE; by : skb_checksum_none_assert(skb); Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* Merge branch 'for-davem' of ↵David S. Miller2010-09-02
|\ | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6
| * Merge branch 'master' of ↵John W. Linville2010-09-02
| |\ | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6 into for-davem
| | * mac80211: support runtime interface type changesJohannes Berg2010-08-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add support to mac80211 for changing the interface type even when the interface is UP, if the driver supports it. To achieve this * add a new driver callback for switching, * split some of the interface up/down code out into new functions (do_open/do_stop), and * maintain an own __SDATA_RUNNING bit that will not be set during interface type, so that any other code doesn't use the interface. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| | * cfg80211: allow changing port control protocolJohannes Berg2010-08-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Some vendor specified mechanisms for 802.1X-style functionality use a different protocol than EAP (even if EAP is vendor-extensible). Allow setting the ethertype for the protocol when a driver has support for this. The default if unspecified is EAP, of course. Note: This is suitable only for station mode, not for AP implementation. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| | * mac80211: allow scan to complete from any contextJohannes Berg2010-08-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The ieee80211_scan_completed() function was a frequent source of potential deadlocks, since it is called by drivers but may call back into drivers, so drivers had to make sure to call it without any locks held, which frequently lead to more complex code in drivers. Avoid that problem by allowing the function to be called in any context, and queueing the actual work it does. Also update the documentation for it to indicate this. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| | * wl12xx: change contact person for the include fileKalle Valo2010-08-25
| | | | | | | | | | | | | | | | | | | | | | | | Luciano should be the contact person for the include/linux/spi/wl12xx.h file. Signed-off-by: Kalle Valo <kvalo@adurom.com> Acked-by: Luciano Coelho <luciano.coelho@nokia.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| | * mac80211: trivial spelling fixesBob Copeland2010-08-25
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fix spelling and readability of a few lines of kernel doc: s/issueing/issuing/g s/approriate/appropriate/g s/supported by simply/supported simply by/ s/IEEE80211_HW_BEACON_FILTERING/IEEE80211_HW_BEACON_FILTER/g Signed-off-by: Bob Copeland <me@bobcopeland.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* | | net: Improve comments in include/linux/phy.hPeter Meerwald2010-09-02
|/ / | | | | | | | | | | | | | | Correct state range of PHY bus addresses (i.e. 0-31) in comment, make spelling of PHY consistent in comments. Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* | skge: add GRO supportEric Dumazet2010-09-01
| | | | | | | | | | | | | | | | | | | | | | | | - napi_gro_flush() is exported from net/core/dev.c, to avoid an irq_save/irq_restore in the packet receive path. - use napi_gro_receive() instead of netif_receive_skb() - use napi_gro_flush() before calling __napi_complete() - turn on NETIF_F_GRO by default - Tested on a Marvell 88E8001 Gigabit NIC Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | net: add a comment on netdev->last_rxEric Dumazet2010-08-31
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | As some driver authors seem to reintroduce dev->last_rx use, add a comment to strongly discourage this. Since commit 6cf3f41e6c0 (bonding, net: Move last_rx update into bonding recv logic), network drivers dont need to update last_rx themselves, unless they use this field to implement a timeout. Not updating last_rx helps not dirtying a cache line, improving performance in SMP. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | TCP: update initial windows according to RFC 5681Gerrit Renker2010-08-30
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This updates the use of larger initial windows, as originally specified in RFC 3390, to use the newer IW values specified in RFC 5681, section 3.1. The changes made in RFC 5681 are: a) the setting now is more clearly specified in units of segments (as the comments by John Heffner emphasized, this was not very clear in RFC 3390); b) for connections with 1095 < SMSS <= 2190 there is now a change: - RFC 3390 says that IW <= 4380, - RFC 5681 says that IW = 3 * SMSS <= 6570. Since RFC 3390 is older and "only" proposed standard, whereas the newer RFC 5681 is already draft standard, it seems preferable to use the newer IW variant. Signed-off-by: Gerrit Renker <gerrit@erg.abdn.ac.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
* | tcp/dccp: Consolidate common code for RFC 3390 conversionGerrit Renker2010-08-30
| | | | | | | | | | | | | | | | | | This patch consolidates initial-window code common to TCP and CCID-2: * TCP uses RFC 3390 in a packet-oriented manner (tcp_input.c) and * CCID-2 uses RFC 3390 in packet-oriented manner (RFC 4341). Signed-off-by: Gerrit Renker <gerrit@erg.abdn.ac.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
* | tcp: Add TCP_USER_TIMEOUT socket option.Jerry Chu2010-08-30
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch provides a "user timeout" support as described in RFC793. The socket option is also needed for the the local half of RFC5482 "TCP User Timeout Option". TCP_USER_TIMEOUT is a TCP level socket option that takes an unsigned int, when > 0, to specify the maximum amount of time in ms that transmitted data may remain unacknowledged before TCP will forcefully close the corresponding connection and return ETIMEDOUT to the application. If 0 is given, TCP will continue to use the system default. Increasing the user timeouts allows a TCP connection to survive extended periods without end-to-end connectivity. Decreasing the user timeouts allows applications to "fail fast" if so desired. Otherwise it may take upto 20 minutes with the current system defaults in a normal WAN environment. The socket option can be made during any state of a TCP connection, but is only effective during the synchronized states of a connection (ESTABLISHED, FIN-WAIT-1, FIN-WAIT-2, CLOSE-WAIT, CLOSING, or LAST-ACK). Moreover, when used with the TCP keepalive (SO_KEEPALIVE) option, TCP_USER_TIMEOUT will overtake keepalive to determine when to close a connection due to keepalive failure. The option does not change in anyway when TCP retransmits a packet, nor when a keepalive probe will be sent. This option, like many others, will be inherited by an acceptor from its listener. Signed-off-by: H.K. Jerry Chu <hkchu@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | net: fix datapath typoSimon Horman2010-08-30
| | | | | | | | | | Signed-off-by: Simon Horman <horms@verge.net.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* | gro: __napi_gro_receive() optimizationsEric Dumazet2010-08-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | compare_ether_header() can have a special implementation on 64 bit arches if CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS is defined. __napi_gro_receive() and vlan_gro_common() can avoid a conditional branch to perform device match. On x86_64, __napi_gro_receive() has now 38 instructions instead of 53 As gcc-4.4.3 still choose to not inline it, add inline keyword to this performance critical function. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> CC: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* | net/sctp: Use pr_fmt and pr_<level>Joe Perches2010-08-26
| | | | | | | | | | | | | | | | | | | | | | | | Change SCTP_DEBUG_PRINTK and SCTP_DEBUG_PRINTK_IPADDR to use do { print } while (0) guards. Add SCTP_DEBUG_PRINTK_CONT to fix errors in log when lines were continued. Add #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt Add a missing newline in "Failed bind hash alloc" Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | stmmac: make ioaddr 'void __iomem *' rather than unsigned longGiuseppe CAVALLARO2010-08-25
| | | | | | | | | | | | | | | | | | This avoids unnecessary casting and adds the ioaddr in the private structure. This patch also removes many warning when compile the driver. Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | Merge branch 'master' of ↵John W. Linville2010-08-25
|\| | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6 into for-davem Conflicts: drivers/net/wireless/libertas/if_sdio.c
| * cfg80211: add some documentationJohannes Berg2010-08-24
| | | | | | | | | | | | | | | | | | Add some documentation for cfg80211. I'm hoping some of the regulatory documentation will be filled by somebody more familiar with it, hint hint! :) Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * nl80211: some documentation fixesJohannes Berg2010-08-24
| | | | | | | | | | | | | | | | | | The nl80211 documentation is currently never generated, so problems have accumulated. Fix most of the trivial ones. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * mac80211: fix docbookJohannes Berg2010-08-24
| | | | | | | | | | | | | | | | | | | | Fix a small problem in the documentation for ieee80211_request_smps, and a now erroneous inclusion of enum ieee80211_key_alg, which no longer exists after the change to ciphers. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * b43: N-PHY: Implement MAC PHY clock setGábor Stefanik2010-08-24
| | | | | | | | | | Signed-off-by: Gábor Stefanik <netrolller.3d@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * cfg80211/mac80211: extensible frame processingJohannes Berg2010-08-24
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Allow userspace to register for more than just action frames by giving the frame subtype, and make it possible to use this in various modes as well. With some tweaks and some added functionality this will, in the future, also be usable in AP mode and be able to replace the cooked monitor interface currently used in that case. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * cfg80211: mark ieee80211_hdrlen constJohannes Berg2010-08-24
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This function analyses only its single, value-passed argument, and has no side effects. Thus it can be const, which makes mac80211 smaller, for example: text data bss dec hex filename 362518 16720 884 380122 5ccda mac80211.ko (before) 362358 16720 884 379962 5cc3a mac80211.ko (after) a 160 byte saving in text size, and an optimisation because the function won't be called as often. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * mac80211: use cipher suite selectorsJohannes Berg2010-08-16
| | | | | | | | | | | | | | | | | | | | | | | | | | Currently, mac80211 translates the cfg80211 cipher suite selectors into ALG_* values. That isn't all too useful, and some drivers benefit from the distinction between WEP40 and WEP104 as well. Therefore, convert it all to use the cipher suite selectors. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Acked-by: Gertjan van Wingerde <gwingerde@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * cfg80211: support sysfs namespacesJohannes Berg2010-08-16
| | | | | | | | | | | | | | | | | | | | | | Enable using network namespaces with wireless devices even when sysfs is enabled using the same infrastructure that was built for netdevs. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Acked-by: "Eric W. Biederman" <ebiederm@xmission.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * mac80211: allow drivers to request SM PS mode changeJohannes Berg2010-08-16
| | | | | | | | | | | | | | | | | | | | | | | | | | Sometimes drivers have more information than the stack about how their antennas/chains are used, and may require that the SM PS mode be changed. This could happen, for example, when detecting that the user disconnected an antenna. Thus this patch introduces API to allow drivers to request SM PS mode changes. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * mac80211: per interface idle notificationJohannes Berg2010-08-16
| | | | | | | | | | | | | | | | | | Sometimes we don't just need to know whether or not the device is idle, but also per interface. This adds that reporting capability to mac80211. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * Merge branch 'master' of ↵John W. Linville2010-08-16
| |\ | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6
| * | mac80211: support use of NAPI for bottom-half processingJohn W. Linville2010-08-16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch implement basic infrastructure to support use of NAPI by mac80211-based hardware drivers. Because mac80211 devices can support multiple netdevs, a dummy netdev is used for interfacing with the NAPI code in the core of the network stack. That structure is hidden from the hardware drivers, but the actual napi_struct is exposed in the ieee80211_hw structure so that the poll routines in drivers can retrieve that structure. Hardware drivers can also specify their own weight value for NAPI polling. Signed-off-by: John W. Linville <linville@tuxdriver.com>
* | | mlx4_en: UDP RSS supportYevgeny Petrilin2010-08-24
| | | | | | | | | | | | | | | | | | | | | | | | | | | Adding capability for RSS for UDP traffic, hashing is done based on IP addresses and UDP port number. The support depends on HW/FW capabilities. Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il> Signed-off-by: David S. Miller <davem@davemloft.net>
* | | mlx4_en: Fixing report in Ethtool get_settingsYevgeny Petrilin2010-08-24
| | | | | | | | | | | | | | | | | | | | | | | | The report now based on query from FW, giving the correct tranciever type and link speed. Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il> Signed-off-by: David S. Miller <davem@davemloft.net>
* | | mlx4_en: Added self diagnostics test implementationYevgeny Petrilin2010-08-24
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The selftest includes 5 features: 1. Interrupt test: Executing commands and receiving command completion on all our interrupt vectors. 2. Link test: Verifying we are connected to valid link partner. 3. Speed test: Check that we negotiated link speed correctly. 4. Registers test: Activate HW health check command. 5. Loopback test: Send a packet on loopback interface and catch it on RX side. Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il> Signed-off-by: David S. Miller <davem@davemloft.net>
* | | tc: add meta match on receive hashStephen Hemminger2010-08-24
| | | | | | | | | | | | | | | | | | | | | | | | Trivial extension to existing meta data match rules to allow matching on skb receive hash value. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | | include/linux/if_ether.h: Remove unused #define MAC_FMTJoe Perches2010-08-24
| | | | | | | | | | | | | | | | | | | | | Last use was removed, so remove the #define. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | | net: increase the size of priv_flags and add IFF_OVS_DATAPATHSimon Horman2010-08-23
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | IFF_OVS_DATAPATH is a place-holder for the Open vSwitch datapath which I am preparing to submit for merging. As all 16 bits of priv_flags are already assigned flags, also increase the size of priv_flags to 32 bits. Unfortunately, by my calculations this increases the size of struct net_device by 4 bytes on 32bit architectures and 8 bytes on 64 bit architectures. I couldn't see an obvious way to avoid that. Cc: Jesse Gross <jesse@nicira.com> Signed-off-by: Simon Horman <horms@verge.net.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* | | bna: Brocade 10Gb Ethernet device driverRasesh Mody2010-08-23
| | | | | | | | | | | | | | | | | | | | | | | | | | | This is patch 1/6 which contains linux driver source for Brocade's BR1010/BR1020 10Gb CEE capable ethernet adapter. Signed-off-by: Debashis Dutt <ddutt@brocade.com> Signed-off-by: Rasesh Mody <rmody@brocade.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | | net: Rename skb_has_frags to skb_has_frag_listDavid S. Miller2010-08-23
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | SKBs can be "fragmented" in two ways, via a page array (called skb_shinfo(skb)->frags[]) and via a list of SKBs (called skb_shinfo(skb)->frag_list). Since skb_has_frags() tests the latter, it's name is confusing since it sounds more like it's testing the former. Signed-off-by: David S. Miller <davem@davemloft.net>
* | | Merge branch 'master' of ↵David S. Miller2010-08-23
|\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 Conflicts: include/linux/if_pppox.h Fix conflict between Changli's __packed header file fixes and the new PPTP driver. Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | header: fix broken headers for user spaceChangli Gao2010-08-23
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | __packed is only defined in kernel space, so we should use __attribute__((packed)) for the code shared between kernel and user space. Two __attribute() annotations are replaced with __attribute__() too. Signed-off-by: Changli Gao <xiaosuo@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | | | net: rds: remove duplication type definitionsChangli Gao2010-08-23
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | __be* are defined in linux/types.h now, and in fact, rds.h isn't exported to user space even. Signed-off-by: Changli Gao <xiaosuo@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | | | net: 802.1q: make vlan_hwaccel_do_receive() return voidChangli Gao2010-08-23
| | | | | | | | | | | | | | | | | | | | | | | | | | | | vlan_hwaccel_do_receive() always returns 0, so make it return void. Signed-off-by: Changli Gao <xiaosuo@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | | | net: use __be16 instead of u16 for the userspace codeChangli Gao2010-08-22
| | | | | | | | | | | | | | | | | | | | Signed-off-by: Changli Gao <xiaosuo@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | | | net_sched: cls_flow: add key rxhashChangli Gao2010-08-22
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We can use rxhash to classify the traffic into flows. As rxhash maybe supplied by NIC or RPS, it is cheaper. Signed-off-by: Changli Gao <xiaosuo@gmail.com> Acked-by: Jamal Hadi Salim <hadi@cyberus.ca> Signed-off-by: David S. Miller <davem@davemloft.net>
* | | | irda: use net_device_stats from struct net_deviceEric Dumazet2010-08-22
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | struct net_device has its own struct net_device_stats member, so use this one instead of a private copy in the irlan_cb struct. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | | | Merge branch 'master' of ↵David S. Miller2010-08-22
|\| | | | | | | | | | | | | | | master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
| * | | netfilter: fix userspace header warningSam Ravnborg2010-08-19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | "make headers_check" issued the following warning: CHECK include/linux/netfilter (64 files) usr/include/linux/netfilter/xt_ipvs.h:19: found __[us]{8,16,32,64} type without #include <linux/types.h> Fix this by as suggested including linux/types.h. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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