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2015-08-11Bluetooth: hci_bcm: Add PM for BCM devicesFrederic Danis
Retrieve "shutdown" and "device_wakeup" GPIOs from ACPI. Set device off during platform device enumeration. Set device on only when attached. As driver can be unbound we need to check if the bcm_device still exists before calling GPIO's functions, this is protected using device_list_lock. Signed-off-by: Frederic Danis <frederic.danis@linux.intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2015-08-11net: fs_enet: mask interrupts for TX partial frames.LEROY Christophe
We are not interested in interrupts for partially transmitted frames. Unlike SCC and FCC, the FEC doesn't handle the I bit in buffer descriptors, instead it defines two interrupt bits, TXB and TXF. We have to mask TXB in order to only get interrupts once the frame is fully transmitted. Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-08-11net: fs_enet: explicitly remove I flag on TX partial framesLEROY Christophe
We are not interested in interrupts for partially transmitted frames, we have to clear BD_ENET_TX_INTR explicitly otherwise it may remain from a previously used descriptor. Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-08-11Merge branch 'mv88e6xxx-switchdev-fdb'David S. Miller
Vivien Didelot says: ==================== net: dsa: mv88e6xxx: support switchdev FDB objects This patchset refactors the FDB management in the mv88e6xxx code and adds the glue in DSA to use the switchdev FDB objects. Below is an usage example (ports 0-2 belongs to br0, ports 3-4 belongs to br1): # bridge fdb add 3c:97:0e:11:30:6e dev swp2 # bridge fdb add 3c:97:0e:11:40:78 dev swp3 # bridge fdb add 3c:97:0e:11:50:86 dev swp4 # bridge fdb del 3c:97:0e:11:40:78 dev swp3 # bridge fdb 01:00:5e:00:00:01 dev eth0 self permanent 01:00:5e:00:00:01 dev eth1 self permanent 00:50:d2:10:78:15 dev swp0 master br0 permanent 3c:97:0e:11:30:6e dev swp2 self static 00:50:d2:10:78:15 dev swp3 master br1 permanent 3c:97:0e:11:50:86 dev swp4 self static # cat /sys/kernel/debug/dsa0/atu # DB T/P Vec State Addr # 001 Port 004 e 3c:97:0e:11:30:6e # 004 Port 010 e 3c:97:0e:11:50:86 For the 88E6xxx switches, FIDs 1 to num_ports will be reserved for non-bridged ports and bridge groups, and the remaining will be later used by VLANs. This change is necessary to welcome the support for hardware VLANs (which will follow soon). Changes in v3: - reorder commits to improve bisectability and minimize diffs - add an ndm_state member in switchdev_fdb_obj instead of an is_static boolean - drop the need to convert unsigned char *addr to u8 addr[ETH_ALEN] (it is casted to char pointer anyway) Changes in v2: - remove ndo_bridge_{get,set,del}link from switchdev/DSA glue code - use ether_addr_copy instead of memcpy for MAC addresses - constify MAC address in port_fdb_{add,del} - split the mv88e6xxx code refactoring into several patches ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2015-08-11net: dsa: add support for switchdev FDB objectsVivien Didelot
Implement the switchdev_port_obj_{add,del,dump} functions in DSA to support the SWITCHDEV_OBJ_PORT_FDB objects. Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-08-11net: switchdev: support static FDB addressesVivien Didelot
This patch adds an ndm_state member to the switchdev_obj_fdb structure, in order to support static FDB addresses. Set Rocker ndm_state to NUD_REACHABLE. Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Acked-by: Scott Feldman <sfeldma@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-08-11net: dsa: mv88e6xxx: rework FDB Get Next operationVivien Didelot
Add a low level _mv88e6xxx_atu_getnext function for convenient access to the hardware, and rework the FDB Get Next operation. This will ease the future integration with VLAN IDs. Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-08-11net: dsa: mv88e6xxx: rework FDB add/del operationsVivien Didelot
Add a mv88e6xxx_atu_entry structure and a low level function for the ATU Load operation, and provide FDB add and delete wrappers functions. This implementation handles the eventual trunk mapping. If the related bit is set, then the ATU data register would contain the trunk ID, and not the port vector. Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-08-11net: dsa: change FDB routines prototypesVivien Didelot
Change the prototype of port_getnext to include a vid parameter. This is necessary to introduce the support for VLAN. Also rename the fdb_{add,del,getnext} function pointers to port_fdb_{add,del,getnext} since they are specific to a given port. Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-08-11net: dsa: mv88e6xxx: rename ATU MAC accessorsVivien Didelot
Rename the __mv88e6xxx_{read,write}_addr functions to more explicit _mv88e6xxx_atu_mac_{read,write} functions, which also respect the single underscore convention used in the file (meaning SMI lock must be held). Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-08-11net: dsa: mv88e6xxx: extend fid maskVivien Didelot
The driver currently manages one FID per port (or bridge group), with a mask of DSA_MAX_PORTS bits, where 0 means that the FID is in use. The Marvell 88E6xxx switches support up to 4094 FIDs (from 1 to 0xfff; FID 0 means that multiple address databases are not being used). This patch changes the fid_mask for an fid_bitmap of 4096 bits. >From now on, FIDs 1 to num_ports are reserved for non-bridged ports and bridge groups (a bridge group gets the FID of its first member). The remaining bits will be reserved for VLAN entries. Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-08-11net: dsa: mv88e6xxx: define GLOBAL_ATU_FIDVivien Didelot
Define register GLOBAL_ATU_FID instead of the raw value 0x01. Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-08-11Revert "Merge branch 'mv88e6xxx-switchdev-fdb'"David S. Miller
This reverts commit f1d5ca434413b20cd3f8c18ff2b634b7782149a5, reversing changes made to 4933d85c5173832ebd261756522095837583c458. I applied v2 instead of v3. Signed-off-by: David S. Miller <davem@davemloft.net>
2015-08-11bpf: s390: Fix build error caused by the struct bpf_array member name changedKaixu Xia
There is a build error that "'struct bpf_array' has no member named 'prog'" on s390. In commit 2a36f0b92eb6 ("bpf: Make the bpf_prog_array_map more generic"), the member 'prog' of struct bpf_array is replaced by 'ptrs'. So this patch fixes it. Fixes: 2a36f0b92eb6 ("bpf: Make the bpf_prog_array_map more generic") Reported-by: Wu Fengguang <fengguang.wu@intel.com> Signed-off-by: Kaixu Xia <xiakaixu@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-08-11Merge branch 'thunder-acpi'David S. Miller
David Daney says: ==================== net: thunder: Add ACPI support. Change from v1: Drop PHY binding part, use fwnode_property* APIs. The first patch (1/2) rearranges the existing code a little with no functional change to get ready for the second. The second (2/2) does the actual work of adding support to extract the needed information from the ACPI tables. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2015-08-11net, thunder, bgx: Add support to get MAC address from ACPI.David Daney
Currently there is no way to get the MAC address in a firmware independent manner, so set the MAC address of the device directly from the ACPI tables. The binding agrees with the proposed standard here: http://www.uefi.org/sites/default/files/resources/nic-request-v2.pdf Based on code from: Narinder Dhillon <ndhillon@cavium.com> Tomasz Nowicki <tomasz.nowicki@linaro.org> Robert Richter <rrichter@cavium.com> Signed-off-by: Tomasz Nowicki <tomasz.nowicki@linaro.org> Signed-off-by: Robert Richter <rrichter@cavium.com> Signed-off-by: David Daney <david.daney@cavium.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-08-11net: thunder: Factor out DT specific code in BGXRobert Richter
Separate DT code in preparation for follow-on ACPI integration. Based on code from: Tomasz Nowicki <tomasz.nowicki@linaro.org> Signed-off-by: Robert Richter <rrichter@cavium.com> Signed-off-by: David Daney <david.daney@cavium.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-08-11Merge tag 'fbdev-fixes-4.2' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux Pull fbdev fixes from Tomi Valkeinen: - fix display regression on Versatile boards - fix OF node refcount bugs on omapdss - fix WARN about clock prepare on pxa3xx_gcu - fix mem leak in videomode helpers - fix fbconsole related boot problem on sun7i-a20-olinuxino-micro * tag 'fbdev-fixes-4.2' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux: fbcon: unconditionally initialize cursor blink interval video: Fix possible leak in of_get_videomode() video: fbdev: pxa3xx_gcu: prepare the clocks OMAPDSS: Fix omap_dss_find_output_by_port_node() port refcount decrement OMAPDSS: Fix node refcount leak in omapdss_of_get_next_port() fbdev: select versatile helpers for the integrator
2015-08-11batman-adv: Avoid u32 overflow during gateway selectRuben Wisniewski
The gateway selection based on fast connections is using a single value calculated from the average tq (0-255) and the download bandwidth (in 100Kibit). The formula for the first step (tq ** 2 * 10000 * bandwidth) tends to overflow a u32 with low bandwidth settings like 50 [100KiBit] and a tq value of over 92. Changing this to a 64 bit unsigned integer allows to support a bandwidth_down with up to ~2.8e10 [100KiBit] and a perfect tq of 255. This is ~6.6 times higher than the maximum possible value of the gateway announcement TVLV. This problem only affects the non-default gw_sel_class 1. Signed-off-by: Ruben Wisniewsi <ruben@vfn-nrw.de> [sven@narfation.org: rewritten commit message] Signed-off-by: Sven Eckelmann <sven@narfation.org> Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch> Signed-off-by: Antonio Quartulli <antonio@meshcoding.com>
2015-08-11batman-adv: Replace gw_reselect divisor with simple shiftSven Eckelmann
The gw_factor is divided by BATADV_TQ_LOCAL_WINDOW_SIZE ** 2 * 64. But the rest of the calculation has nothing to do with the tq window size and therefore the calculation is just (tmp_gw_factor / (64 ** 3)). Replace it with a simple shift to avoid a costly 64-bit divide when the max_gw_factor is changed from u32 to u64. This type change is necessary to avoid an overflow bug. Signed-off-by: Sven Eckelmann <sven@narfation.org> Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch> Signed-off-by: Antonio Quartulli <antonio@meshcoding.com>
2015-08-11xfrm: Add oif to dst lookupsDavid Ahern
Rules can be installed that direct route lookups to specific tables based on oif. Plumb the oif through the xfrm lookups so it gets set in the flow struct and passed to the resolver routines. Signed-off-by: David Ahern <dsa@cumulusnetworks.com> Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
2015-08-11net/xfrm: use kmemdup rather than duplicating its implementationAndrzej Hajda
The patch was generated using fixed coccinelle semantic patch scripts/coccinelle/api/memdup.cocci [1]. [1]: http://permalink.gmane.org/gmane.linux.kernel/2014320 Signed-off-by: Andrzej Hajda <a.hajda@samsung.com> Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
2015-08-11xfrm6: Fix IPv6 ECN decapsulationThomas Egerer
Using ipv6_get_dsfield on the outer IP header implies that inner and outer header are of the the same address family. For interfamily tunnels, particularly 646, the code reading the DSCP field obtains the wrong values (IHL and the upper four bits of the DSCP field). This can cause the code to detect a congestion encoutered state in the outer header and enable the corresponding bits in the inner header, too. Since the DSCP field is stored in the xfrm mode common buffer independently from the IP version of the outer header, it's safe (and correct) to take this value from there. Signed-off-by: Thomas Egerer <thomas.egerer@secunet.com> Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
2015-08-11xen/xenbus: Don't leak memory when unmapping the ring on HVM backendJulien Grall
The commit ccc9d90a9a8b5c4ad7e9708ec41f75ff9e98d61d "xenbus_client: Extend interface to support multi-page ring" removes the call to free_xenballooned_pages() in xenbus_unmap_ring_vfree_hvm(), leaking a page for every shared ring. Only with backends running in HVM domains were affected. Signed-off-by: Julien Grall <julien.grall@citrix.com> Cc: <stable@vger.kernel.org> Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com> Reviewed-by: Wei Liu <wei.liu2@citrix.com> Signed-off-by: David Vrabel <david.vrabel@citrix.com>
2015-08-11Revert "xen/events/fifo: Handle linked events when closing a port"David Vrabel
This reverts commit fcdf31a7c162de0c93a2bee51df4688ab0a348f8. This was causing a WARNING whenever a PIRQ was closed since shutdown_pirq() is called with irqs disabled. Signed-off-by: David Vrabel <david.vrabel@citrix.com> Cc: <stable@vger.kernel.org>
2015-08-10inet: fix possible request socket leakEric Dumazet
In commit b357a364c57c9 ("inet: fix possible panic in reqsk_queue_unlink()"), I missed fact that tcp_check_req() can return the listener socket in one case, and that we must release the request socket refcount or we leak it. Tested: Following packetdrill test template shows the issue 0 socket(..., SOCK_STREAM, IPPROTO_TCP) = 3 +0 setsockopt(3, SOL_SOCKET, SO_REUSEADDR, [1], 4) = 0 +0 bind(3, ..., ...) = 0 +0 listen(3, 1) = 0 +0 < S 0:0(0) win 2920 <mss 1460,sackOK,nop,nop> +0 > S. 0:0(0) ack 1 <mss 1460,nop,nop,sackOK> +.002 < . 1:1(0) ack 21 win 2920 +0 > R 21:21(0) Fixes: b357a364c57c9 ("inet: fix possible panic in reqsk_queue_unlink()") Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-08-10inet: fix races with reqsk timersEric Dumazet
reqsk_queue_destroy() and reqsk_queue_unlink() should use del_timer_sync() instead of del_timer() before calling reqsk_put(), otherwise we could free a req still used by another cpu. But before doing so, reqsk_queue_destroy() must release syn_wait_lock spinlock or risk a dead lock, as reqsk_timer_handler() might need to take this same spinlock from reqsk_queue_unlink() (called from inet_csk_reqsk_queue_drop()) Fixes: fa76ce7328b2 ("inet: get rid of central tcp/dccp listener timer") Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-08-10vxlan: fix fdb_dump index calculationAtzm Watanabe
When too many remotes are bound to an FDB entry, index may not be increased. This problem will be caused on the large scale environment that is based on the unicast default destination, for instance. Signed-off-by: Atzm Watanabe <atzm@iij.ad.jp> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-08-11cc2520: set the default fifo pin value from platform dataYong Li
When the device tree support is disabled, the fifo_pin is uninitialized, this patch will set the fifo_pin value based on platform data Signed-off-by: Yong Li <sdliyong@gmail.com> Acked-by: Varka Bhadram <varkabhadram@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2015-08-10mellanox: mlxsw: Use '%zx' to print size_t formatFabio Estevam
Use '%zx' to print size_t format in order to fix the following build warning: drivers/net/ethernet/mellanox/mlxsw/item.h:65:3: warning: format '%lx' expects argument of type 'long unsigned int', but argument 6 has type 'size_t' [-Wformat=] Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com> Acked-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-08-10mkiss: Fix error handling in mkiss_open()Fabio Estevam
If register_netdev() fails we are not propagating the error and we return success because ax_open() succeeded previously. Fix this by checking the return value of ax_open() and register_netdev() and propagate the error in case of failure. Reported-by: RUC_Soft_Sec <zy900702@163.com> Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-08-10Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nfDavid S. Miller
Pablo Neira Ayuso says: ==================== Netfilter fixes for net The following patchset contains five Netfilter fixes for your net tree, they are: 1) Silence a warning on falling back to vmalloc(). Since 88eab472ec21, we can easily hit this warning message, that gets users confused. So let's get rid of it. 2) Recently when porting the template object allocation on top of kmalloc to fix the netns dependencies between x_tables and conntrack, the error checks where left unchanged. Remove IS_ERR() and check for NULL instead. Patch from Dan Carpenter. 3) Don't ignore gfp_flags in the new nf_ct_tmpl_alloc() function, from Joe Stringer. 4) Fix a crash due to NULL pointer dereference in ip6t_SYNPROXY, patch from Phil Sutter. 5) The sequence number of the Syn+ack that is sent from SYNPROXY to clients is not adjusted through our NAT infrastructure, as a result the client may ignore this TCP packet and TCP flow hangs until the client probes us. Also from Phil Sutter. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2015-08-10Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid Pull HID fixes from Jiri Kosina: - fix for bounds limit calculation in uclogic driver, by Dan Carpenter - fix for use-after-free during device removal, by Krzysztof Kozlowski - fix for userspace regression (that became apparent only with shiny new libinput, so it's not that bad, but I still consider it 4.2 material), in wacom driver, by Jason Gerecke * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid: HID: wacom: Report correct device resolution when using the wireless adapater HID: hid-input: Fix accessing freed memory during device disconnect HID: uclogic: fix limit in uclogic_tablet_enable()
2015-08-10Bluetooth: hciuart: Add support QCA chipset for UARTBen Young Tae Kim
QCA61x4 chips have supported sleep feature using In-Band-Sleep commands to enable sleep feature based on H4 protocol. After sending patch/nvm configuration is done, IBS mode will be up and running Signed-off-by: Ben Young Tae Kim <ytkim@qca.qualcomm.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2015-08-10Bluetooth: btqca: Introduce generic QCA ROME supportBen Young Tae Kim
This is for supporting BT for QCA ROME with vendor specific HCI commands and initialization on the chip. This will have USB/UART implementation both, but for now, adding UART vendor specific commands to patch downloading and set Bluetooth device address using vendor specific command. Signed-off-by: Ben Young Tae Kim <ytkim@qca.qualcomm.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2015-08-10HID: wacom: Report correct device resolution when using the wireless adapaterJason Gerecke
The 'wacom_wireless_work' function does not recalculate the tablet's resolution, causing the value contained in the 'features' struct to always be reported to userspace. This value is valid only for the pen interface, meaning that the value will be incorrect for the touchpad (if present). This in particular causes problems for libinput which relies on the reported resolution being correct. This patch adds the necessary calls to recalculate the resolution for each interface. This requires a little bit of code shuffling since both the 'wacom_set_default_phy' and 'wacom_calculate_res' are declared below their new first point of use in 'wacom_wireless_work'. Signed-off-by: Jason Gerecke <jason.gerecke@wacom.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2015-08-10Merge branch 'bnx2x-fixes'David S. Miller
Yuval Mintz says: ==================== bnx2x: small fixes This adds 2 small fixes, one to error flows during memory release and the other to flash writes via ethtool API. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2015-08-10bnx2x: Free NVRAM lock at end of each pageYuval Mintz
Writing each 4Kb page into flash might take up-to ~100 miliseconds, during which time management firmware cannot acces the nvram for its own uses. Firmware upgrade utility use the ethtool API to burn new flash images for the device via the ethtool API, doing so by writing several page-worth of data on each command. Such action might create problems for the management firmware, as the nvram might not be accessible for a long time. This patch changes the write implementation, releasing the nvram lock on the completion of each page, allowing the management firmware time to claim it and perform its own required actions. Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com> Signed-off-by: Ariel Elior <Ariel.Elior@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-08-10bnx2x: Prevent null pointer dereference on SKB releaseYuval Mintz
On error flows its possible to free an SKB even if it was not allocated. Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com> Signed-off-by: Ariel Elior <Ariel.Elior@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-08-10isdn: Remove reverse_bits(), use revbit8()yalin wang
This change isdn driver, remove reverse_bits() function, use the generic revbit8() function instead. Signed-off-by: yalin wang <yalin.wang2010@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-08-10cxgb4: cleanup some indentingDan Carpenter
Add or remove some tabs so that statements line up correctly. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-08-10cxgb4: missing curly braces in t4_setup_debugfs()Dan Carpenter
There were missing curly braces so it means we call add_debugfs_mem() unintentionally. Fixes: 3ccc6cf74d8c ('cxgb4: Adds support for T6 adapter') Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-08-10dsa: Support multiple MDIO bussesAndrew Lunn
When using a cluster of switches, some topologies will have an MDIO bus per switch, not one for the whole cluster. Allow this to be represented in the device tree, by adding an optional mii-bus property at the switch level. The old platform_device method of instantiation supports this already, so only the device tree binding needs extending with an additional optional phandle. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-08-10net: dsa: mv88e6352: Use mnemonics for EEPROM registers and bitsAndrew Lunn
Add register definitions #defines for accessing the EEPROM. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Acked-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-08-10Merge branch 'ovs-gre'David S. Miller
Pravin B Shelar says: ==================== GRE: Use flow based tunneling for OVS GRE vport. Following patches make use of new Using GRE tunnel meta data collection feature. This allows us to directly use netdev based GRE tunnel implementation. While doing so I have removed GRE demux API which were targeted for OVS. Most of GRE protocol code is now consolidated in ip_gre module. v5-v4: Fixed Kconfig dependency for vport-gre module. v3-v4: Added interface to ip-gre device to enable meta data collection. While doing this I split second patch into two patches. v2-v3: Add API to create GRE flow based device. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2015-08-10gre: Remove support for sharing GRE protocol hook.Pravin B Shelar
Support for sharing GREPROTO_CISCO port was added so that OVS gre port and kernel GRE devices can co-exist. After flow-based tunneling patches OVS GRE protocol processing is completely moved to ip_gre module. so there is no need for GRE protocol hook. Following patch consolidates GRE protocol related functions into ip_gre module. Signed-off-by: Pravin B Shelar <pshelar@nicira.com> Acked-by: Thomas Graf <tgraf@suug.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-08-10openvswitch: Use regular GRE net_device instead of vportPravin B Shelar
Using GRE tunnel meta data collection feature, we can implement OVS GRE vport. This patch removes all of the OVS specific GRE code and make OVS use a ip_gre net_device. Minimal GRE vport is kept to handle compatibility with current userspace application. Signed-off-by: Pravin B Shelar <pshelar@nicira.com> Acked-by: Thomas Graf <tgraf@suug.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-08-10ip_gre: Add support to collect tunnel metadata.Pravin B Shelar
Following patch create new tunnel flag which enable tunnel metadata collection on given device. Signed-off-by: Pravin B Shelar <pshelar@nicira.com> Acked-by: Thomas Graf <tgraf@suug.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-08-10openvswitch: Move tunnel destroy function to oppenvswitch module.Pravin B Shelar
This function will be used in gre and geneve vport implementations. Signed-off-by: Pravin B Shelar <pshelar@nicira.com> Acked-by: Thomas Graf <tgraf@suug.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-08-10net: add explicit logging and stat for neighbour table overflowRick Jones
Add an explicit neighbour table overflow message (ratelimited) and statistic to make diagnosing neighbour table overflows tractable in the wild. Diagnosing a neighbour table overflow can be quite difficult in the wild because there is no explicit dmesg logged. Callers to neighbour code seem to use net_dbg_ratelimit when the neighbour call fails which means the "base message" is not emitted and the callback suppressed messages from the ratelimiting can end-up juxtaposed with unrelated messages. Further, a forced garbage collection will increment a stat on each call whether it was successful in freeing-up a table entry or not, so that statistic is only a hint. So, add a net_info_ratelimited message and explicit statistic to the neighbour code. Signed-off-by: Rick Jones <rick.jones2@hp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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