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2016-09-19Bluetooth: hci_bcm: Change protocol nameLoic Poulain
Use full name instead of abbreviation. Signed-off-by: Loic Poulain <loic.poulain@intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2016-09-19Bluetooth: Increment management interface revisionSzymon Janc
Increment the mgmt revision due to the recently added Read Extended Controller Information and Set Appearance commands. Signed-off-by: Szymon Janc <szymon.janc@codecoup.pl> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2016-09-19Bluetooth: Fix advertising instance validity check for flagsSzymon Janc
Flags are not allowed in Scan Response. Signed-off-by: Szymon Janc <szymon.janc@codecoup.pl> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2016-09-19Bluetooth: Unify advertising instance flags checkSzymon Janc
This unifies max length and TLV validity checks. Signed-off-by: Szymon Janc <szymon.janc@codecoup.pl> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2016-09-19Bluetooth: Remove unused parameter from tlv_data_is_valid functionSzymon Janc
hdev parameter is not used in function. Signed-off-by: Szymon Janc <szymon.janc@codecoup.pl> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2016-09-19Bluetooth: Add support for appearance in scan rspMichał Narajowski
This patch enables prepending appearance value to scan response data. It also adds support for setting appearance value through mgmt command. If currently advertised instance has apperance flag set it is expired immediately. Signed-off-by: Michał Narajowski <michal.narajowski@codecoup.pl> Signed-off-by: Szymon Janc <szymon.janc@codecoup.pl> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2016-09-19Bluetooth: Add support for local name in scan rspMichał Narajowski
This patch enables appending local name to scan response data. If currently advertised instance has name flag set it is expired immediately. Signed-off-by: Michał Narajowski <michal.narajowski@codecoup.pl> Signed-off-by: Szymon Janc <szymon.janc@codecoup.pl> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2016-09-19Bluetooth: btrtl: Add RTL8822BE Bluetooth deviceLarry Finger
The RTL8822BE is a new Realtek wifi and BT device. Support for the BT part is hereby added. As this device is similar to most of the other Realtek BT devices, the changes are minimal. The main difference is that the 8822BE needs a configuration file for enabling and disabling features. Thus code is added to select and load this configuration file. Although not needed at the moment, hooks are added for the other devices that might need such configuration files. One additional change is to the routine that tests that the project ID contained in the firmware matches the hardware. As the project IDs are not sequential, continuing to use the position in the array as the expected value of the ID would require adding extra unused entries in the table, and any subsequant rearrangment of the array would break the code. To fix these problems, the array elements now contain both the hardware ID and the expected value for the project ID. Signed-off-by: 陆朱伟 <alex_lu@realsil.com.cn> Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2016-09-19Bluetooth: Fix not registering BR/EDR SMP channel with force_bredr flagSzymon Janc
If force_bredr is set SMP BR/EDR channel should also be for non-SC capable controllers. Since hcidev flag is persistent wrt power toggle it can be already set when calling smp_register(). This resulted in SMP BR/EDR channel not being registered even if HCI_FORCE_BREDR_SMP flag was set. This also fix NULL pointer dereference when trying to disable force_bredr after power cycle. BUG: unable to handle kernel NULL pointer dereference at 0000000000000388 IP: [<ffffffffc0493ad8>] smp_del_chan+0x18/0x80 [bluetooth] Call Trace: [<ffffffffc04950ca>] force_bredr_smp_write+0xba/0x100 [bluetooth] [<ffffffff8133be14>] full_proxy_write+0x54/0x90 [<ffffffff81245967>] __vfs_write+0x37/0x160 [<ffffffff813617f7>] ? selinux_file_permission+0xd7/0x110 [<ffffffff81356fbd>] ? security_file_permission+0x3d/0xc0 [<ffffffff810eb5b2>] ? percpu_down_read+0x12/0x50 [<ffffffff812462a5>] vfs_write+0xb5/0x1a0 [<ffffffff812476f5>] SyS_write+0x55/0xc0 [<ffffffff817eb872>] entry_SYSCALL_64_fastpath+0x1a/0xa4 Code: 48 8b 45 f0 eb c1 0f 1f 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 f6 05 c6 3b 02 00 04 55 48 89 e5 41 54 53 49 89 fc 75 4b <49> 8b 9c 24 88 03 00 00 48 85 db 74 31 49 c7 84 24 88 03 00 00 RIP [<ffffffffc0493ad8>] smp_del_chan+0x18/0x80 [bluetooth] RSP <ffff8802aee3bd90> CR2: 0000000000000388 Signed-off-by: Szymon Janc <szymon.janc@codecoup.pl> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2016-09-19Bluetooth: Use kzalloc instead of kmalloc/memsetWei Yongjun
Use kzalloc rather than kmalloc followed by memset with 0. Generated by: scripts/coccinelle/api/alloc/kzalloc-simple.cocci Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2016-09-19Bluetooth: Increase the subsystem minor version numberMarcel Holtmann
While the subsystem version information are purely informational, increase the minor number due to the addition of user channel and management control monitoring suppport. It is helpful for debugging purposes to see the version numbers change. Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
2016-09-19Bluetooth: Fix reason code used for rejecting SCO connectionsFrédéric Dalleau
A comment in the code states that SCO connection should be rejected with the proper error value between 0xd-0xf. The code uses HCI_ERROR_REMOTE_LOW_RESOURCES which is 0x14. This led to following error: < HCI Command: Reject Synchronous Co.. (0x01|0x002a) plen 7 Address: 34:51:C9:EF:02:CA (Apple, Inc.) Reason: Remote Device Terminated due to Low Resources (0x14) > HCI Event: Command Status (0x0f) plen 4 Reject Synchronous Connection Request (0x01|0x002a) ncmd 1 Status: Invalid HCI Command Parameters (0x12) Instead make use of HCI_ERROR_REJ_LIMITED_RESOURCES which is 0xd. Signed-off-by: Frédéric Dalleau <frederic.dalleau@collabora.co.uk> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2016-09-19Bluetooth: btqca: remove null checks on edl->data as it is an arrayColin Ian King
edl->data is an array of __u8 so the null check is unneccessary, so remove it. Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2016-09-19Bluetooth: Fix wrong New Settings event when closing HCI User ChannelMarcel Holtmann
When closing HCI User Channel, the New Settings event was send out to inform about changed settings. However such event is wrong since the exclusive HCI User Channel access is active until the Index Added event has been sent. @ USER Close: test @ MGMT Event: New Settings (0x0006) plen 4 Current settings: 0x00000ad0 Bondable Secure Simple Pairing BR/EDR Low Energy Secure Connections = Close Index: 00:14:EF:22:04:12 @ MGMT Event: Index Added (0x0004) plen 0 Calling __mgmt_power_off from hci_dev_do_close requires an extra check for an active HCI User Channel. Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
2016-09-19Bluetooth: Send control open and close messages for HCI user channelsMarcel Holtmann
When opening and closing HCI user channel, send monitoring messages to be able to trace its behavior. Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
2016-09-19fakelb: fix schedule while atomicAlexander Aring
This patch changes the spinlock to mutex for the available fakelb phy list. When holding the spinlock the ieee802154_unregister_hw is called which holding the rtnl_mutex, in that case we get a "BUG: sleeping function called from invalid context" error. We simple change the spinlock to mutex which allows to hold the rtnl lock there. Signed-off-by: Alexander Aring <aar@pengutronix.de> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2016-09-19Bluetooth: Append local name and CoD to Extended Controller InfoMichał Narajowski
This adds device class, complete local name and short local name to EIR data in Extended Controller Info as specified in docs. Signed-off-by: Michał Narajowski <michal.narajowski@codecoup.pl> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2016-09-19Bluetooth: Add framework for Extended Controller InformationMarcel Holtmann
This command is used to retrieve the current state and basic information of a controller. It is typically used right after getting the response to the Read Controller Index List command or an Index Added event (or its extended counterparts). When any of the values in the EIR_Data field changes, the event Extended Controller Information Changed will be used to inform clients about the updated information. Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Michał Narajowski <michal.narajowski@codecoup.pl>
2016-09-19Bluetooth: btusb: Mark CW6622 devices to have broken link key commandsSzymon Janc
Conwise CW6622 seems to have a problem with the stored link key commands so just mark it as broken. < HCI Command: Read Local Supported Features (0x04|0x0003) plen 0 > HCI Event: Command Complete (0x0e) plen 12 Read Local Supported Features (0x04|0x0003) ncmd 1 status 0x00 Features: 0xff 0x3e 0x85 0x38 0x18 0x18 0x00 0x00 < HCI Command: Read Local Version Information (0x04|0x0001) plen 0 > HCI Event: Command Complete (0x0e) plen 12 Read Local Version Information (0x04|0x0001) ncmd 1 status 0x00 HCI Version: 2.0 (0x3) HCI Revision: 0x1f4 LMP Version: 2.0 (0x3) LMP Subversion: 0x1f4 Manufacturer: CONWISE Technology Corporation Ltd (66) ... < HCI Command: Read Local Supported Commands (0x04|0x0002) plen 0 > HCI Event: Command Complete (0x0e) plen 68 Read Local Supported Commands (0x04|0x0002) ncmd 1 status 0x00 Commands: 7fffef03cedfffffffffff1ff20ff8ff3f ... < HCI Command: Read Stored Link Key (0x03|0x000d) plen 7 bdaddr 00:00:00:00:00:00 all 1 > HCI Event: Command Complete (0x0e) plen 8 Read Stored Link Key (0x03|0x000d) ncmd 1 status 0x11 max 0 num 0 Error: Unsupported Feature or Parameter Value Signed-off-by: Szymon Janc <szymon.janc@codecoup.pl> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2016-09-19Bluetooth: Remove deprecated create_singlethread_workqueueBhaktipriya Shridhar
The workqueue "workqueue" queues multiple work items viz &qca->ws_awake_rx &qca->ws_rx_vote_off, &qca->ws_awake_device, &qca->ws_tx_vote_off which require strict execution ordering. Hence, an ordered dedicated workqueue has been used to replace the deprecated create_singlethread_workqueue instance. WQ_MEM_RECLAIM has not been set since the driver is not being used on a memory reclaim path. Signed-off-by: Bhaktipriya Shridhar <bhaktipriya96@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2016-09-19Bluetooth: Handle HCI raw socket transition from unbound to boundMarcel Holtmann
In case an unbound HCI raw socket is later on bound, ensure that the monitor notification messages indicate a close and re-open. None of the userspace tools use the socket this, but it is actually possible to use an ioctl on an unbound socket and then later bind it. Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
2016-09-19Bluetooth: Send control open and close messages for HCI raw socketsMarcel Holtmann
When opening and closing HCI raw sockets their main usage is for legacy userspace. To track interaction with the modern mgmt interface, send open and close monitoring messages for these action. The HCI raw sockets is special since it supports unbound ioctl operation and for that special case delay the notification message until at least one ioctl has been executed. The difference between a bound and unbound socket will be detailed by the fact the HCI index is present or not. Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
2016-09-19Bluetooth: Add extra channel checks for control open/close messagesMarcel Holtmann
The control open and close monitoring events require special channel checks to ensure messages are only send when the right events happen. Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
2016-09-19Bluetooth: Assign the channel early when binding HCI socketsMarcel Holtmann
Assignment of the hci_pi(sk)->channel should be done early when binding the HCI socket. This avoids confusion with the RAW channel that is used for legacy access. Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
2016-09-19Bluetooth: Send control open and close only when cookie is presentMarcel Holtmann
Only when the cookie has been assigned, then send the open and close monitor messages. Also if the socket is bound to a device, then include the index into the message. Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
2016-09-19Bluetooth: Use numbers for subsystem version stringMarcel Holtmann
Instead of keeping a version string around, use version and revision numbers and then stringify them for use as module parameter. Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
2016-09-19Bluetooth: Introduce helper functions for socket cookie handlingMarcel Holtmann
Instead of manually allocating cookie information each time, use helper functions for generating and releasing cookies. Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
2016-09-19Bluetooth: add WCNSS dependency for HCI driverArnd Bergmann
The newly added bluetooth driver is based on the soc-specific support, but lacks the obvious compile-time dependency on that: drivers/bluetooth/btqcomsmd.o: In function `btqcomsmd_probe': btqcomsmd.c:(.text.btqcomsmd_probe+0x40): undefined reference to `qcom_wcnss_open_channel' btqcomsmd.c:(.text.btqcomsmd_probe+0x5c): undefined reference to `qcom_wcnss_open_channel' Makefile:969: recipe for target 'vmlinux' failed Fixes: 90c107dc8b2c ("Bluetooth: Introduce Qualcomm WCNSS SMD based HCI driver") Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2016-09-19Bluetooth: Use command status event for Set IO Capability errorsMarcel Holtmann
In case of failure, the Set IO Capability command is suppose to return command status and not command complete. Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
2016-09-19Bluetooth: Fix wrong Get Clock Information return parametersMarcel Holtmann
The address information of the Get Clock Information return parameters is copying from a different memory location. It uses &cmd->param while it actually needs to be cmd->param. Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
2016-09-19Bluetooth: Use individual flags for certain management eventsMarcel Holtmann
Instead of hiding everything behind a general managment events flag, introduce indivdual flags that allow fine control over which events are send to a given management channel. Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
2016-09-19Bluetooth: mgmt: Fix sending redundant event for Advertising InstanceJohan Hedberg
When an Advertising Instance is removed, the Advertising Removed event shouldn't be sent to the same socket that issued the Remove Advertising command (it gets a command complete event instead). The mgmt_advertising_removed() function already has a parameter for skipping a specific socket, but there was no code to propagate the right value to this parameter. This patch fixes the issue by making sure the intermediate hci_req_clear_adv_instance() function gets the socket pointer. Signed-off-by: Johan Hedberg <johan.hedberg@intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2016-09-19Bluetooth: Add support for sending MGMT commands and events to monitorMarcel Holtmann
This adds support for tracing all management commands and events via the monitor interface. Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
2016-09-19Bluetooth: Add support for sending MGMT open and close to monitorMarcel Holtmann
This sends new notifications to the monitor support whenever a management channel has been opened or closed. This allows tracing of control channels really easily. Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
2016-09-19Bluetooth: Introduce helper to pack mgmt version informationMarcel Holtmann
The mgmt version information will be also needed for the control changell tracing feature. This provides a helper to pack them. Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
2016-09-19Bluetooth: Store control socket cookie and comm informationMarcel Holtmann
To further allow unique identification and tracking of control socket, store cookie and comm information when binding the socket. Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
2016-09-19Bluetooth: Check SOL_HCI for raw socket optionsMarcel Holtmann
The SOL_HCI level should be enforced when using socket options on the HCI raw socket interface. Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
2016-09-19Bluetooth: bcm203x: don't print error when allocating urb failsWolfram Sang
kmalloc will print enough information in case of failure. Signed-off-by: Wolfram Sang <wsa-dev@sang-engineering.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2016-09-19Bluetooth: btusb: Add support for 0cf3:e009Kai-Heng Feng
Device 0cf3:e009 is one of the QCA ROME family. T: Bus=01 Lev=01 Prnt=01 Port=07 Cnt=04 Dev#= 4 Spd=12 MxCh= 0 D: Ver= 2.01 Cls=e0(wlcon) Sub=01 Prot=01 MxPS=64 #Cfgs= 1 P: Vendor=0cf3 ProdID=e009 Rev=00.01 C: #Ifs= 2 Cfg#= 1 Atr=e0 MxPwr=100mA I: If#= 0 Alt= 0 #EPs= 3 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb I: If#= 1 Alt= 0 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2016-09-19Bluetooth: add printf format attribute to hci_set_[fh]w_info()Nicolas Iooss
Commit 5177a83827cd ("Bluetooth: Add debugfs fields for hardware and firmware info") introduced hci_set_hw_info() and hci_set_fw_info(). These functions use kvasprintf_const() but are not marked with a __printf attribute. Adding such an attribute helps detecting issues related to printf-formatting at build time. Signed-off-by: Nicolas Iooss <nicolas.iooss_linux@m4x.org> Signed-off-by: Johan Hedberg <johan.hedberg@intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2016-09-19Bluetooth: btusb, hci_intel: Fix wait_on_bit_timeout() return value checksBart Van Assche
wait_on_bit_timeout() returns one of the following three values: * 0 to indicate success. * -EINTR to indicate that a signal has been received; * -EAGAIN to indicate timeout; Make the wait_on_bit_timeout() callers check for these values. Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com> Signed-off-by: Johan Hedberg <johan.hedberg@intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2016-09-19Bluetooth: Introduce Qualcomm WCNSS SMD based HCI driverBjorn Andersson
The Qualcomm WCNSS chip provides two SMD channels to the BT core; one for command and one for event packets. This driver exposes the two channels as a hci device. Signed-off-by: Bjorn Andersson <bjorn.andersson@sonymobile.com> Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2016-09-19Bluetooth: Add HCI device identifier for Qualcomm SMDBjorn Andersson
This patch assigns the next free HCI device identifier to Bluetooth devices based on the Qualcomm Shared Memory channels. Signed-off-by: Bjorn Andersson <bjorn.andersson@sonymobile.com> Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2016-09-19mac802154: use rate limited warnings for malformed framesAristeu Rozanski
Signed-off-by: Aristeu Rozanski <arozansk@redhat.com> Acked-by: Alexander Aring <aar@pengutronix.de> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2016-09-19mac802154: don't warn on unsupported framesAristeu Rozanski
Just because we don't support certain types of frames yet doesn't mean we have to flood the message log with warnings about "invalid" frames. Signed-off-by: Aristeu Rozanski <arozansk@redhat.com> Acked-by: Alexander Aring <aar@pengutronix.de> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2016-09-196lowpan: ndisc: no overreact if no short address is availableAlexander Aring
This patch removes handling to remove short address for a neigbour entry if RS/RA/NS/NA doesn't contain a short address. If these messages doesn't has any short address option, the existing short address from ndisc cache will be used. The current behaviour will set that the neigbour doesn't has a short address anymore. Signed-off-by: Alexander Aring <aar@pengutronix.de> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2016-09-19mac802154: set phy net namespace for new ifacesAlexander Aring
This patch sets the net namespace when creating SoftMAC interfaces. This is important if the namespace at phy layer was switched before. Currently we losing interfaces in some namespace and it's not possible to recover that. Signed-off-by: Alexander Aring <aar@pengutronix.de> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2016-09-19Bluetooth: Add combined LED trigger for controller powerMarcel Holtmann
Instead of just having a LED trigger for power on a specific controller, this adds the LED trigger "bluetooth-power" that combines the power states of all controllers into a single trigger. This simplifies the trigger selection and also supports multiple controllers per host system via a single LED. Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
2016-09-19Bluetooth: Put led_trigger field behind CONFIG_BT_LEDSMarcel Holtmann
The led_trigger field in hci_dev should be conditional based on if CONFIG_BT_LEDS is set or not. Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
2016-09-19Merge tag 'rxrpc-rewrite-20160917-2' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs David Howells says: ==================== rxrpc: Tracepoint addition and improvement Here is a set of patches that add some more tracepoints and improve a couple of existing ones. New additions include: (1) Connection refcount tracking. (2) Client connection state machine tracking. (3) Tx and Rx packet lifecycle. (4) ACK reception and transmission. (5) recvmsg processing. Updates include: (1) Print the symbolic packet name in the Rx packet tracepoint. (2) Additional call refcount trace events. (3) Improvements to sk_buff tracking with AF_RXRPC. In addition: (1) Config option to inject packet loss during both transmission and reception. (2) Removal of some printks. This series needs to be applied on top of the previously posted fixes. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
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