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* net: Fix drivers advertising HW_CSUM feature to use csum_startMichał Mirosław2010-12-1614-15/+15
| | | | | | | | | | | | Some drivers are using skb_transport_offset(skb) instead of skb->csum_start for NETIF_F_HW_CSUM offload. This does not matter now, but if someone implements checksumming of encapsulated packets then this will break silently. TSO output paths are left as they are, since they are for IP+TCP only (might be worth converting though). Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: Use skb_checksum_start_offset()Michał Mirosław2010-12-169-16/+13
| | | | | | | | | Replace skb->csum_start - skb_headroom(skb) with skb_checksum_start_offset(). Note for usb/smsc95xx: skb->data - skb->head == skb_headroom(skb). Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: Introduce skb_checksum_start_offset()Michał Mirosław2010-12-161-0/+5
| | | | | | | Introduce skb_checksum_start_offset() to replace repetitive calculation. Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl> Signed-off-by: David S. Miller <davem@davemloft.net>
* tcp: relax tcp_paws_check()Eric Dumazet2010-12-161-1/+7
| | | | | | | | | | | | | | | | | | | | | | Some windows versions have wrong RFC1323 implementations, with SYN and SYNACKS messages containing zero tcp timestamps. We relaxed in commit fc1ad92dfc4e363 the passive connection case (Windows connects to a linux machine), but the reverse case (linux connects to a Windows machine) has an analogue problem when tsvals from windows machine are 'negative' (high order bit set) : PAWS triggers and we drops incoming messages. Fix this by making zero ts_recent value special, allowing frame to be processed. Based on a report and initial patch from Dmitiy Balakin Bugzilla reference : https://bugzilla.kernel.org/show_bug.cgi?id=24842 Reported-by: dmitriy.balakin@nicneiron.ru Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: factorize sync-rcu call in unregister_netdevice_manyOctavian Purdila2010-12-163-49/+99
| | | | | | | | | | | | | | | | | | Add dev_close_many and dev_deactivate_many to factorize another sync-rcu operation on the netdevice unregister path. $ modprobe dummy numdummies=10000 $ ip link set dev dummy* up $ time rmmod dummy Without the patch With the patch real 0m 24.63s real 0m 5.15s user 0m 0.00s user 0m 0.00s sys 0m 6.05s sys 0m 5.14s Signed-off-by: Octavian Purdila <opurdila@ixiacom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: Add batman-adv meshing protocolSven Eckelmann2010-12-1646-0/+10278
| | | | | | | | | | B.A.T.M.A.N. (better approach to mobile ad-hoc networking) is a routing protocol for multi-hop ad-hoc mesh networks. The networks may be wired or wireless. See http://www.open-mesh.org/ for more information and user space tools. Signed-off-by: Sven Eckelmann <sven@narfation.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: use NUMA_NO_NODE instead of the magic number -1Changli Gao2010-12-163-3/+4
| | | | | Signed-off-by: Changli Gao <xiaosuo@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* bonding: add the debugfs interface to see RLB hash tableTaku Izumi2010-12-161-0/+50
| | | | | | | | | | | | | | | | | This patch provices the debugfs interface to see RLB hash table like the following: # cat /sys/kernel/debug/bonding/bond0/rlb_hash_table SourceIP DestinationIP Destination MAC DEV 10.124.196.205 10.124.196.205 ff:ff:ff:ff:ff:ff eth4 10.124.196.205 10.124.196.81 00:19:99:XX:XX:XX eth3 10.124.196.205 10.124.196.1 00:21:d8:XX:XX:XX eth0 This is helpful to check if the receive load balancing works as expected. Signed-off-by: Taku Izumi <izumi.taku@jp.fujitsu.com> Signed-off-by: Jay Vosburgh <fubar@us.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* bonding: migrate some macros from bond_alb.c to bond_alb.hTaku Izumi2010-12-162-36/+38
| | | | | | | | This patch simply migrates some macros from bond_alb.c to bond_alb.h. Signed-off-by: Taku Izumi <izumi.taku@jp.fujitsu.com> Signed-off-by: Jay Vosburgh <fubar@us.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* cxgb4: NUMA-aware Tx queue allocationsDimitris Michailidis2010-12-161-7/+10
| | | | | | | | Allocate Tx queue memory on the node indicated by the new netdev_queue_numa_node_read. Signed-off-by: Dimitris Michailidis <dm@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* cxgb4: extend VPD parsingDimitris Michailidis2010-12-161-20/+21
| | | | | | | | | Current code parses the VPD RO section for keywords but makes static assumptions about the location of the section. Remove them and parse the VPD to find it. Signed-off-by: Dimitris Michailidis <dm@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* cxgb4: add const to static arraysJoe Perches2010-12-161-24/+24
| | | | | | | | Patch originally from Joe Perches, unmodified. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Dimitris Michailidis <dm@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* cxgb4: remove a bitmapDimitris Michailidis2010-12-162-3/+1
| | | | | | | | The driver keeps a bitmap of the netdevs it registered so it knows what to unregister later. Remove that and look at reg_state instead. Signed-off-by: Dimitris Michailidis <dm@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* cxgb4: remove the name field from the adapter structureDimitris Michailidis2010-12-162-23/+15
| | | | | | | | | | Remove a field the driver uses to keep track of the name of the first netdev it manages to register. Do this by changing the registration loop to stop the first time it fails so the first registered device is trivial to tell. Signed-off-by: Dimitris Michailidis <dm@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* cxgb4: correct formatting of MSI-X interrupt namesDimitris Michailidis2010-12-161-14/+7
| | | | | | | | | The last byte of the buffer for MSI-X names could not be used due to a bogus -1. Also do not explicitly clear the last byte, snprintf will do the right thing. Signed-off-by: Dimitris Michailidis <dm@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* cxgb4: allocate more space for MSI-X interrupt namesDimitris Michailidis2010-12-161-1/+1
| | | | | | | | | Currently MSI-X names for netdevs with long names are truncated in /proc/interrupts due to insufficient space. Use IFNAMSIZ to size the needed space. Signed-off-by: Dimitris Michailidis <dm@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* cxgb4: print port information after registering each netdevDimitris Michailidis2010-12-161-32/+22
| | | | | | | | | Print information about each port when its netdev is registered instead of looping separately over the ports at the end. The bulk of this patch is due to indentation change. Signed-off-by: Dimitris Michailidis <dm@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* cxgb4: distinguish between 1-lane KR/KX and 4-lane KR/KX/KX4 portsDimitris Michailidis2010-12-162-2/+8
| | | | | | | And fix the supported flags ethtool reports for the two cases. Signed-off-by: Dimitris Michailidis <dm@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* cxgb4: set the number of queues before device registrationDimitris Michailidis2010-12-161-5/+5
| | | | | | | | The number of queues is known early, move the calls to netif_set_real_num_[rt]x_queues before register_netdev. Signed-off-by: Dimitris Michailidis <dm@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* cxgb4: do not read the clock frequency from VPDDimitris Michailidis2010-12-161-3/+1
| | | | | | | | No need to read the clock frequency from VPD, we already get it a bit later from FW, after any potential adjustments. Signed-off-by: Dimitris Michailidis <dm@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* cxgb4: enable PCIe relaxed orderingDimitris Michailidis2010-12-162-0/+19
| | | | | | | Enable relaxed ordering for descriptor reads and packet I/O. Signed-off-by: Dimitris Michailidis <dm@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* bnx2x: update version to 1.62.00-2Vladislav Zolotarov2010-12-161-2/+2
| | | | | | Signed-off-by: Vladislav Zolotarov <vladz@broadcom.com> Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* bnx2x: remove old FW filesVladislav Zolotarov2010-12-163-38096/+0
| | | | | | Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com> Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* bnx2x: replace FW to 6.2.5Vladislav Zolotarov2010-12-162-5/+5
| | | | | | | | Includes FCoE releated fixes in FW flows Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com> Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* bnx2x: add FW 6.2.5 filesVladislav Zolotarov2010-12-163-0/+38120
| | | | | | Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com> Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* bnx2x: Add DCB/PFC support - link layerVladislav Zolotarov2010-12-163-39/+689
| | | | | | | | Add appropriate HW DCB/PFC configuration Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com> Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* bnx2x: add DCB supportVladislav Zolotarov2010-12-169-5/+2050
| | | | | | | | | Adding DCB initialization and handling on 57712 FW/HW Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com> Signed-off-by: Shmulik Ravid-Rabinovitz <shmulikr@broadcom.com> Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* bnx2x: add a select queue callbackVladislav Zolotarov2010-12-163-0/+33
| | | | | | | | | | | | This callback required to allow FCoE traffic to be sent on separate priority queue from other L2 traffic, which is managed by PFC in HW. Signed-off-by: Vladislav Zolotarov <vladz@broadcom.com> Signed-off-by: Shmulik Ravid-Rabinovitz <shmulikr@broadcom.com> Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com> Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* bnx2x: add FCoE ringVladislav Zolotarov2010-12-167-241/+631
| | | | | | | | | | Includes new driver structures and FW/HW configuration for FCoE ring Signed-off-by: Vladislav Zolotarov <vladz@broadcom.com> Signed-off-by: Shmulik Ravid-Rabinovitz <shmulikr@broadcom.com> Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com> Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* bnx2x: Take the distribution range definition out of skb_tx_hash()Vladislav Zolotarov2010-12-163-7/+23
| | | | | | | | | | | Move the calcualation of the Tx hash for a given hash range into a separate function and define the skb_tx_hash(), which calculates a Tx hash for a [0; dev->real_num_tx_queues - 1] hash values range, using this function (__skb_tx_hash()). Signed-off-by: Vladislav Zolotarov <vladz@broadcom.com> Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: Abstract default MTU metric calculation behind an accessor.David S. Miller2010-12-146-39/+60
| | | | | | | | | | | Like RTAX_ADVMSS, make the default calculation go through a dst_ops method rather than caching the computation in the routing cache entries. Now dst metrics are pretty much left as-is when new entries are created, thus optimizing metric sharing becomes a real possibility. Signed-off-by: David S. Miller <davem@davemloft.net>
* Merge branch 'vhost-net-next' of ↵David S. Miller2010-12-1412-30/+842
|\ | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
| * tools/virtio: virtio_test toolMichael S. Tsirkin2010-12-095-0/+487
| | | | | | | | | | | | | | | | | | | | | | This is the userspace part of the tool: it includes a bunch of stubs for linux APIs, somewhat simular to linuxsched. This makes it possible to recompile the ring code in userspace. A small test example is implemented combining this with vhost_test module. Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
| * vhost test moduleMichael S. Tsirkin2010-12-094-0/+330
| | | | | | | | | | | | | | | | This adds a test module for vhost infrastructure. Intentionally not tied to kbuild to prevent people from installing and loading it accidentally. Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
| * vhost: better variable name in loggingMichael S. Tsirkin2010-12-091-4/+4
| | | | | | | | | | | | | | | | We really store a page offset in write_address, so rename it write_page to avoid confusion. Signed-off-by: Jason Wang <jasowang@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
| * vhost: correctly set bits of dirty pagesMichael S. Tsirkin2010-12-091-1/+2
| | | | | | | | | | | | | | | | | | | | Fix two bugs in dirty page logging: When counting pages we should increase address by 1 instead of VHOST_PAGE_SIZE. Make log_write() correctly process requests that cross pages with write_address not starting at page boundary. Reported-by: Jason Wang <jasowang@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
| * vhost: fix typos in commentJason Wang2010-12-092-2/+2
| | | | | | | | | | Signed-off-by: Jason Wang <jasowang@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
| * vhost: remove unused includeMichael S. Tsirkin2010-12-091-2/+0
| | | | | | | | | | | | | | vhost.c does not need to know about sockets, don't include sock.h Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
| * vhost: get/put_user -> __get/__put_userMichael S. Tsirkin2010-11-041-8/+8
| | | | | | | | | | | | | | We do access_ok checks on all ring values on an ioctl, so we don't need to redo them on each access. Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
| * vhost: copy_to_user -> __copy_to_userMichael S. Tsirkin2010-11-041-1/+1
| | | | | | | | | | | | | | We do access_ok checks at setup time, so we don't need to redo them on each access. Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
| * vhost-net: batch use/unuse mmMichael S. Tsirkin2010-11-042-8/+6
| | | | | | | | | | | | | | Move use/unuse mm to vhost.c which makes it possible to batch these operations. Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
| * vhost: put mm after thread stopMichael S. Tsirkin2010-11-041-4/+3
| | | | | | | | | | | | makes it possible to batch use/unuse mm Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
| * drivers/vhost/vhost.c: delete double assignmentJulia Lawall2010-10-261-1/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Delete successive assignments to the same location. A simplified version of the semantic match that finds this problem is as follows: (http://coccinelle.lip6.fr/) // <smpl> @@ expression i; @@ *i = ...; i = ...; // </smpl> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
* | Merge branch 'for-davem' of ↵David S. Miller2010-12-14114-2331/+4237
|\ \ | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6
| * \ Merge branch 'master' of ↵John W. Linville2010-12-13114-2331/+4237
| |\ \ | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6 into for-davem
| | * | ath: fix build break with ATH_DBG_WARN_ON_ONCEJohn W. Linville2010-12-091-1/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Description by Hauke: "If CONFIG_ATH_DEBUG=y is set ATH_DBG_WARN_ON_ONCE uses WARN_ON_ONCE and returns something, but if CONFIG_ATH_DEBUG is not set it does not return anything. Now ATH_DBG_WARN_ON_ONCE is used in the boolean expression in an if case and is not returning anything and causes a compile error. CC [M] /drivers/net/wireless/ath/ath9k/main.o /drivers/net/wireless/ath/ath9k/main.c: In function ‘ath_isr’: /drivers/net/wireless/ath/ath9k/main.c:769: error: expected expression before ‘do’ make[5]: *** [/drivers/net/wireless/ath/ath9k/main.o] Error 1 make[4]: *** [/drivers/net/wireless/ath/ath9k] Error 2" Reported-by: Hauke Mehrtens <hauke@hauke-m.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| | * | ath5k: Fix modinfo does not list alias -> pci-id linesSedat Dilek2010-12-091-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The AHB bus support patchset moved the table "Known PCI ids" from base.c to pci.c - unfortunately, MODULE_DEVICE_TABLE() was not transferred. With this fix 'modinfo ath5k' lists the alias -> pci-id lines, again. The issue was introduced by: commit e5b046d86fac609f636d127a38de94a175c7e83b "ath5k: Move PCI bus functions to separate file." Signed-off-by: Sedat Dilek <sedat.dilek@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| | * | Merge branch 'master' of ↵John W. Linville2010-12-0816-63/+100
| | |\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6 Conflicts: drivers/net/wireless/ath/ath9k/ath9k.h drivers/net/wireless/ath/ath9k/main.c drivers/net/wireless/ath/ath9k/xmit.c
| | | * | orinoco: fix TKIP countermeasure behaviourDavid Kilroy2010-12-081-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Enable the port when disabling countermeasures, and disable it on enabling countermeasures. This bug causes the response of the system to certain attacks to be ineffective. It also prevents wpa_supplicant from getting scan results, as wpa_supplicant disables countermeasures on startup - preventing the hardware from scanning. wpa_supplicant works with ap_mode=2 despite this bug because the commit handler re-enables the port. The log tends to look like: State: DISCONNECTED -> SCANNING Starting AP scan for wildcard SSID Scan requested (ret=0) - scan timeout 5 seconds EAPOL: disable timer tick EAPOL: Supplicant port status: Unauthorized Scan timeout - try to get results Failed to get scan results Failed to get scan results - try scanning again Setting scan request: 1 sec 0 usec Starting AP scan for wildcard SSID Scan requested (ret=-1) - scan timeout 5 seconds Failed to initiate AP scan. Reported by: Giacomo Comes <comes@naic.edu> Signed-off by: David Kilroy <kilroyd@googlemail.com> Cc: stable@kernel.org Signed-off-by: John W. Linville <linville@tuxdriver.com>
| | | * | orinoco: clear countermeasure setting on commitDavid Kilroy2010-12-081-0/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | ... and interface up. In these situations, you are usually trying to connect to a new AP, so keeping TKIP countermeasures active is confusing. This is already how the driver behaves (inadvertently). However, querying SIOCGIWAUTH may tell userspace that countermeasures are active when they aren't. Clear the setting so that the reporting matches what the driver has done.. Signed-off by: David Kilroy <kilroyd@googlemail.com> Cc: stable@kernel.org Signed-off-by: John W. Linville <linville@tuxdriver.com>
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