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2016-04-12cfg80211: remove enum ieee80211_bandJohannes Berg179-1145/+1145
This enum is already perfectly aliased to enum nl80211_band, and the only reason for it is that we get IEEE80211_NUM_BANDS out of it. There's no really good reason to not declare the number of bands in nl80211 though, so do that and remove the cfg80211 one. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2016-04-11Merge tag 'wireless-drivers-next-for-davem-2016-04-11' of ↵David S. Miller172-5923/+7898
git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next Kalle Valo says: ==================== wireless-drivers patches for 4.7 Major changes: iwlwifi * support for Link Quality measurement * more work 9000 devices and MSIx * continuation of the Dynamic Queue Allocation work * make the paging less memory hungry * 9000 new Rx path * removal of IWLWIFI_UAPSD Kconfig option ath10k * implement push-pull tx model using mac80211 software queuing support * enable scan in AP mode (NL80211_FEATURE_AP_SCAN) wil6210 * add basic PBSS (Personal Basic Service Set) support * add initial P2P support * add oob_mode module parameter ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-10Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netDavid S. Miller5-16/+33
2016-04-09ibmvnic: Enable use of multiple tx/rx scrqsJohn Allen2-20/+37
Enables the use of multiple transmit and receive scrqs allowing the ibmvnic driver to take advantage of multiqueue functionality. To achieve this, the driver must implement the process of negotiating the maximum number of queues allowed by the server. Initially, the driver will attempt to login with the maximum number of tx and rx queues supported by the server. If the server fails to allocate the requested number of scrqs, it will return partial success in the login response. In this case, we must reinitiate the login process from the request capabilities stage and attempt to login requesting fewer scrqs. Signed-off-by: John Allen <jallen@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-08net: dsa: make the VLAN add function return voidVivien Didelot2-18/+14
The switchdev design implies that a software error should not happen in the commit phase since it must have been previously reported in the prepare phase. If an hardware error occurs during the commit phase, there is nothing switchdev can do about it. The DSA layer separates port_vlan_prepare and port_vlan_add for simplicity and convenience. If an hardware error occurs during the commit phase, there is no need to report it outside the driver itself. Make the DSA port_vlan_add routine return void for explicitness. Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-08net: dsa: make the FDB add function return voidVivien Didelot3-14/+13
The switchdev design implies that a software error should not happen in the commit phase since it must have been previously reported in the prepare phase. If an hardware error occurs during the commit phase, there is nothing switchdev can do about it. The DSA layer separates port_fdb_prepare and port_fdb_add for simplicity and convenience. If an hardware error occurs during the commit phase, there is no need to report it outside the DSA driver itself. Make the DSA port_fdb_add routine return void for explicitness. Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-08net: dsa: make the STP state function return voidVivien Didelot5-17/+11
The DSA layer doesn't care about the return code of the port_stp_update routine, so make it void in the layer and the DSA drivers. Replace the useless dsa_slave_stp_update function with a dsa_slave_stp_state function used to reply to the switchdev SWITCHDEV_ATTR_ID_PORT_STP_STATE attribute. In the meantime, rename port_stp_update to port_stp_state_set to explicit the state change. Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-08Merge tag 'mac80211-next-for-davem-2016-04-06' of ↵David S. Miller7-6/+11
git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next Johannes Berg says: ==================== For the 4.7 cycle, we have a number of changes: * Bob's mesh mode rhashtable conversion, this includes the rhashtable API change for allocation flags * BSSID scan, connect() command reassoc support (Jouni) * fast (optimised data only) and support for RSS in mac80211 (myself) * various smaller changes ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-08tuntap: restore default qdiscJason Wang1-2/+2
After commit f84bb1eac027 ("net: fix IFF_NO_QUEUE for drivers using alloc_netdev"), default qdisc was changed to noqueue because tuntap does not set tx_queue_len during .setup(). This patch restores default qdisc by setting tx_queue_len in tun_setup(). Fixes: f84bb1eac027 ("net: fix IFF_NO_QUEUE for drivers using alloc_netdev") Cc: Phil Sutter <phil@nwl.cc> Signed-off-by: Jason Wang <jasowang@redhat.com> Acked-by: Michael S. Tsirkin <mst@redhat.com> Acked-by: Phil Sutter <phil@nwl.cc> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-08mlxsw: reg: Fix SBPM register nameJiri Pirko1-2/+2
Fix copy&paste error and state the name of SBPM register correctly. Signed-off-by: Jiri Pirko <jiri@mellanox.com> Reviewed-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-08mlxsw: reg: Share direction enum between SBPR, SBCM, SBPMJiri Pirko2-26/+17
Same field, same values, so share the same enum. Signed-off-by: Jiri Pirko <jiri@mellanox.com> Reviewed-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-08mlxsw: Do not pass around driver_priv directlyJiri Pirko4-24/+31
Instead of that, pass mlxsw_core and use a helper to get driver priv from driver code. Looks much cleaner that way. Signed-off-by: Jiri Pirko <jiri@mellanox.com> Reviewed-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-08mlxsw: Pass mlxsw_core as a param of mlxsw_core_skb_transmit*Jiri Pirko4-19/+9
Instead of passing around driver priv, pass struct mlxsw_core * directly. Signed-off-by: Jiri Pirko <jiri@mellanox.com> Reviewed-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-08mlxsw: Move devlink port registration into common core codeJiri Pirko5-41/+55
Remove devlink port reg/unreg from spectrum and switchx2 code and rather do the common work in core. That also ensures code separation where devlink is only used in core.c. Signed-off-by: Jiri Pirko <jiri@mellanox.com> Reviewed-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-08nfp: allow ring size reconfiguration at runtimeJakub Kicinski3-21/+136
Since much of the required changes have already been made for changing MTU at runtime let's use it for ring size changes as well. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-08nfp: pass ring count as function parameterJakub Kicinski1-9/+14
Soon ring resize will call this functions with values different than the current configuration we need to explicitly pass the ring count as parameter. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-08nfp: convert .ndo_change_mtu() to prepare/commit paradigmJakub Kicinski1-6/+102
When changing MTU on running device first allocate new rings and buffers and once it succeeds proceed with changing MTU. Allocation of new rings is not really necessary for this operation - it's done to keep the code simple and because size of the extra ring memory is quite small compared to the size of buffers. Operation can still fail midway through if FW communication times out. In that case we retry with old MTU (rings). Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-08nfp: propagate list buffer size in struct rx_ringJakub Kicinski2-8/+19
Free list buffer size needs to be propagated to few functions as a parameter and added to struct nfp_net_rx_ring since soon some of the functions will be reused to manage rings with buffers of size different than nn->fl_bufsz. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-08nfp: sync ring state during FW reconfigurationJakub Kicinski1-29/+16
FW reconfiguration in .ndo_open()/.ndo_stop() should reset/ restore queue state. Since we need IRQs to be disabled when filling rings on RX path we have to move disable_irq() from .ndo_open() all the way up to IRQ allocation. nfp_net_start_vec() becomes trivial now so it's inlined. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-08nfp: slice .ndo_open() and .ndo_stop() upJakub Kicinski1-82/+136
Divide .ndo_open() and .ndo_stop() into logical, callable chunks. No functional changes. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-08nfp: move filling ring information to FW configJakub Kicinski1-18/+32
nfp_net_[rt]x_ring_{alloc,free} should only allocate or free ring resources without touching the device. Move setting parameters in the BAR to separate functions. This will make it possible to reuse alloc/free functions to allocate new rings while the device is running. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-08nfp: preallocate RX buffers early in .ndo_openJakub Kicinski1-23/+11
We want the .ndo_open() to have following structure: - allocate resources; - configure HW/FW; - enable the device from stack perspective. Therefore filling RX rings needs to be moved to the beginning of .ndo_open(). Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-08nfp: reorganize initial filling of RX ringsJakub Kicinski1-41/+78
Separate allocation of buffers from giving them to FW, thanks to this it will be possible to move allocation earlier on .ndo_open() path and reuse buffers during runtime reconfiguration. Similar to TX side clean up the spill of functionality from flush to freeing the ring. Unlike on TX side, RX ring reset does not free buffers from the ring. Ring reset means only that FW pointers are zeroed and buffers on the ring must be placed in [0, cnt - 1) positions. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-08nfp: cleanup tx ring flush and rename to resetJakub Kicinski1-44/+37
Since we never used flush without freeing the ring later the functionality of the two operations is mixed. Rename flush to ring reset and move there all the things which have to be done after FW ring state is cleared. While at it do some clean-ups. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-08nfp: allocate ring SW structs dynamicallyJakub Kicinski3-17/+37
To be able to switch rings more easily on config changes allocate them dynamically, separately from nfp_net structure. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-08nfp: make *x_ring_init do all the initJakub Kicinski1-10/+18
nfp_net_[rt]x_ring_init functions used to be called from probe path only and some of their functionality was spilled to the call site. In order to reuse them for ring reconfiguration we need them to do all the init. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-08nfp: break up nfp_net_{alloc|free}_ringsJakub Kicinski1-79/+47
nfp_net_{alloc|free}_rings contained strange mix of allocations and vector initialization. Remove it, declare vector init as a separate function and handle allocations explicitly. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-08nfp: move link state interrupt request/free callsJakub Kicinski1-11/+12
We need to be able to disable the link state interrupt when the device is brought down. We used to just free the IRQ at the beginning of .ndo_stop(). As we now move towards more ordered .ndo_open()/.ndo_stop() paths LSC allocation should be placed in the "allocate resource" section. Since the IRQ can't be freed early in .ndo_stop(), it is disabled instead. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-08nfp: correct RX buffer length calculationJakub Kicinski1-7/+1
When calculating the RX buffer length we need to account for up to 2 VLAN tags. Rounding up to 1k is an relic of a distant past and can be removed. While at it also remove trivial print statement. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-08ixgbe: Bump version numberMark Rustad1-1/+1
Update ixgbe version number. Signed-off-by: Mark Rustad <mark.d.rustad@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2016-04-08ixgbe: Add KR backplane support for x550em_aMark Rustad3-4/+18
Add support for x550em_a-based KR backplane devices. Signed-off-by: Mark Rustad <mark.d.rustad@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2016-04-08ixgbe: Add support for SGMII backplane interfaceMark Rustad3-0/+69
Add support for an SGMII backplane interface. Signed-off-by: Mark Rustad <mark.d.rustad@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2016-04-08ixgbe: Add support for SFPs with retimerMark Rustad4-2/+144
Add support for SFPs with an external retimer. Signed-off-by: Mark Rustad <mark.d.rustad@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2016-04-08ixgbe: Introduce function to control MDIO speedMark Rustad1-6/+21
Move code that controls MDIO speed into a new function because there will be more MACs that need the control. Signed-off-by: Mark Rustad <mark.d.rustad@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2016-04-08ixgbe: Read and parse NW_MNG_IF_SEL registerMark Rustad2-5/+37
Read the IXGBE_NW_MNG_IF_SEL register and use it to set interface attributes. Signed-off-by: Mark Rustad <mark.d.rustad@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2016-04-08ixgbe: Read and set instance idMark Rustad2-0/+13
Read the instance number from EEPROM and save it for later use. Signed-off-by: Mark Rustad <mark.d.rustad@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2016-04-08ixgbe: Use new methods for PHY accessMark Rustad1-3/+64
Now x550em_a devices will use a new method for PHY access that will get the firmware token for each access. Signed-off-by: Mark Rustad <mark.d.rustad@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2016-04-08ixgbe: Add support for x550em_a 10G MAC typeMark Rustad11-9/+311
Add support for x550em_a 10G MAC type to the ixgbe driver. The new MAC includes new firmware commands that need to be used to control PHY and IOSF access, so that support is also added. The interface supported is a native SFP+ interface. Signed-off-by: Mark Rustad <mark.d.rustad@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2016-04-08ixgbe: Use method pointer to access IOSF devicesMark Rustad2-14/+20
Provide method pointers and use them to access IOSF-attached devices. A new MAC will introduce a new access method. Signed-off-by: Mark Rustad <mark.d.rustad@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2016-04-08ixgbe: Add definitions for x550em_a 10G MACMark Rustad1-4/+18
Add definitions for a x550em_a 10G MAC device with a native SFP interface. Signed-off-by: Mark Rustad <mark.d.rustad@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2016-04-08ixgbe: Add support for single-port X550 deviceMark Rustad3-0/+4
Add support for a single-port X550 device. Signed-off-by: Mark Rustad <mark.d.rustad@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2016-04-08ixgbe/ixgbevf: Add support for bulk free in Tx cleanup & cleanup boolean logicAlexander Duyck2-8/+16
This patch enables bulk free in Tx cleanup for ixgbevf and cleans up the boolean logic in the polling routines for ixgbe and ixgbevf in the hopes of avoiding any mix-ups similar to what occurred with i40e and i40evf. Signed-off-by: Alexander Duyck <aduyck@mirantis.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2016-04-08ixgbe: Take manageability semaphore for firmware commandsMark Rustad1-11/+19
We need to take the manageability semaphore when issuing firmware commands to avoid problems. With this in place, the semaphore is no longer taken in the ixgbe_set_fw_drv_ver_generic function, since it will now always be taken by the ixgbe_host_interface_command function. Signed-off-by: Mark Rustad <mark.d.rustad@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2016-04-08ixgbe: Clean up interface for firmware commandsMark Rustad3-28/+28
Clean up the interface for issuing firmware commands to use a void * instead of a u32 *. This eliminates a number of casts. Also clean up ixgbe_host_interface_command in a few other ways, eliminating comparisons with 0, redundant parens and minor formatting issues. Signed-off-by: Mark Rustad <mark.d.rustad@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2016-04-08ixgbe: Correct length check for round upMark Rustad1-1/+1
The function ixgbe_host_interface_command actually uses a multiple of word sized buffer to do its business, but only checks against the actual length passed in. This means that on read operations it could be possible to modify locations beyond the length passed in. Change the check to round up in the same way, just to avoid any possible hazard. Signed-off-by: Mark Rustad <mark.d.rustad@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2016-04-08ixgbe: Change the lan_id and func fields to a u8 to avoid castsMark Rustad3-4/+4
Since the lan_id and func fields only ever hold small values, make them u8 to avoid casts used to silence warnings. Signed-off-by: Mark Rustad <mark.d.rustad@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2016-04-08ixgbe: Delete some unused register definitionsMark Rustad1-8/+0
I noticed the SRAMREL registers are not referenced for any device, so delete the definitions. Signed-off-by: Mark Rustad <mark.d.rustad@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2016-04-07geneve: change to use UDP socket GROTom Herbert1-20/+8
Adapt geneve_gro_receive, geneve_gro_complete to take a socket argument. Set these functions in tunnel_config. Don't set udp_offloads any more. Signed-off-by: Tom Herbert <tom@herbertland.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-07vxlan: change vxlan to use UDP socket GROTom Herbert1-22/+8
Adapt vxlan_gro_receive, vxlan_gro_complete to take a socket argument. Set these functions in tunnel_config. Don't set udp_offloads any more. Signed-off-by: Tom Herbert <tom@herbertland.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-07tun: use socket locks for sk_{attach,detatch}_filterHannes Frederic Sowa1-5/+9
This reverts commit 5a5abb1fa3b05dd ("tun, bpf: fix suspicious RCU usage in tun_{attach, detach}_filter") and replaces it to use lock_sock around sk_{attach,detach}_filter. The checks inside filter.c are updated with lockdep_sock_is_held to check for proper socket locks. It keeps the code cleaner by ensuring that only one lock governs the socket filter instead of two independent locks. Cc: Daniel Borkmann <daniel@iogearbox.net> Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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