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2016-02-18mISDN: prevent possible NULL pointer dereferenceAnton Protopopov
A return value of the bchannel_get_rxbuf() function is compared with the positive ENOMEM value instead of the negative -ENOMEM value to detect a memory allocation problem. Thus, after a possible memory allocation failure the bc->bch.rx_skb will be NULL which will lead to a NULL pointer dereference. Signed-off-by: Anton Protopopov <a.s.protopopov@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-02-18net: caif: fix erroneous return valueAnton Protopopov
The cfrfml_receive() function might return positive value EPROTO Signed-off-by: Anton Protopopov <a.s.protopopov@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-02-18appletalk: fix erroneous return valueAnton Protopopov
The atalk_sendmsg() function might return wrong value ENETUNREACH instead of -ENETUNREACH. Signed-off-by: Anton Protopopov <a.s.protopopov@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-02-18lance: Return correct error codeAmitoj Kaur Chawla
Failure of kzalloc should cause the enclosing function to return -ENOMEM, not -ENODEV. Additionally, removed the following checkpatch warnings: ERROR: spaces required around that '==' (ctx:VxV) ERROR: space required before the open parenthesis '(' CHECK: Comparison to NULL could be written "!lp" Signed-off-by: Amitoj Kaur Chawla <amitoj1606@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-02-18IFF_NO_QUEUE: Fix for drivers not calling ether_setup()Phil Sutter
My implementation around IFF_NO_QUEUE driver flag assumed that leaving tx_queue_len untouched (specifically: not setting it to zero) by drivers would make it possible to assign a regular qdisc to them without having to worry about setting tx_queue_len to a useful value. This was only partially true: I overlooked that some drivers don't call ether_setup() and therefore not initialize tx_queue_len to the default value of 1000. Consequently, removing the workarounds in place for that case in qdisc implementations which cared about it (namely, pfifo, bfifo, gred, htb, plug and sfb) leads to problems with these specific interface types and qdiscs. Luckily, there's already a sanitization point for drivers setting tx_queue_len to zero, which can be reused to assign the fallback value most qdisc implementations used, which is 1. Fixes: 348e3435cbefa ("net: sched: drop all special handling of tx_queue_len == 0") Tested-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com> Signed-off-by: Phil Sutter <phil@nwl.cc> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-02-18gre: clear IFF_TX_SKB_SHARINGJiri Benc
ether_setup sets IFF_TX_SKB_SHARING but this is not supported by gre as it modifies the skb on xmit. Also, clean up whitespace in ipgre_tap_setup when we're already touching it. Signed-off-by: Jiri Benc <jbenc@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-02-18geneve: clear IFF_TX_SKB_SHARINGJiri Benc
ether_setup sets IFF_TX_SKB_SHARING but this is not supported by geneve as it modifies the skb on xmit. Signed-off-by: Jiri Benc <jbenc@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-02-18vxlan: clear IFF_TX_SKB_SHARINGJiri Benc
ether_setup sets IFF_TX_SKB_SHARING but this is not supported by vxlan as it modifies the skb on xmit. Signed-off-by: Jiri Benc <jbenc@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-02-18geneve: Refine MTU limitDavid Wragg
Calculate the maximum MTU taking into account the size of headers involved in GENEVE encapsulation, as for other tunnel types. Changes in v3: - Correct comment style Changes in v2: - Conform more closely to ip_tunnel_change_mtu - Exclude GENEVE options from max MTU calculation Signed-off-by: David Wragg <david@weave.works> Acked-by: Jesse Gross <jesse@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-02-18tcp/dccp: fix another race at listener dismantleEric Dumazet
Ilya reported following lockdep splat: kernel: ========================= kernel: [ BUG: held lock freed! ] kernel: 4.5.0-rc1-ceph-00026-g5e0a311 #1 Not tainted kernel: ------------------------- kernel: swapper/5/0 is freeing memory ffff880035c9d200-ffff880035c9dbff, with a lock still held there! kernel: (&(&queue->rskq_lock)->rlock){+.-...}, at: [<ffffffff816f6a88>] inet_csk_reqsk_queue_add+0x28/0xa0 kernel: 4 locks held by swapper/5/0: kernel: #0: (rcu_read_lock){......}, at: [<ffffffff8169ef6b>] netif_receive_skb_internal+0x4b/0x1f0 kernel: #1: (rcu_read_lock){......}, at: [<ffffffff816e977f>] ip_local_deliver_finish+0x3f/0x380 kernel: #2: (slock-AF_INET){+.-...}, at: [<ffffffff81685ffb>] sk_clone_lock+0x19b/0x440 kernel: #3: (&(&queue->rskq_lock)->rlock){+.-...}, at: [<ffffffff816f6a88>] inet_csk_reqsk_queue_add+0x28/0xa0 To properly fix this issue, inet_csk_reqsk_queue_add() needs to return to its callers if the child as been queued into accept queue. We also need to make sure listener is still there before calling sk->sk_data_ready(), by holding a reference on it, since the reference carried by the child can disappear as soon as the child is put on accept queue. Reported-by: Ilya Dryomov <idryomov@gmail.com> Fixes: ebb516af60e1 ("tcp/dccp: fix race at listener dismantle phase") Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-02-18route: check and remove route cache when we get routeXin Long
Since the gc of ipv4 route was removed, the route cached would has no chance to be removed, and even it has been timeout, it still could be used, cause no code to check it's expires. Fix this issue by checking and removing route cache when we get route. Signed-off-by: Xin Long <lucien.xin@gmail.com> Acked-by: Hannes Frederic Sowa <hannes@stressinduktion.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-02-18net_sched fix: reclassification needs to consider ether protocol changesJamal Hadi Salim
actions could change the etherproto in particular with ethernet tunnelled data. Typically such actions, after peeling the outer header, will ask for the packet to be reclassified. We then need to restart the classification with the new proto header. Example setup used to catch this: sudo tc qdisc add dev $ETH ingress sudo $TC filter add dev $ETH parent ffff: pref 1 protocol 802.1Q \ u32 match u32 0 0 flowid 1:1 \ action vlan pop reclassify Fixes: 3b3ae880266d ("net: sched: consolidate tc_classify{,_compat}") Signed-off-by: Jamal Hadi Salim <jhs@mojatatu.com> Acked-by: Daniel Borkmann <daniel@iogearbox.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-02-18Merge branch 'mlxsw-fixes'David S. Miller
Jiri Pirko says: ==================== mlxsw fixes Another bulk of fixes from Ido. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2016-02-18mlxsw: spectrum: Allow for PVID deletionIdo Schimmel
When PVID is toggled off on a port member in a VLAN filtering bridge or the PVID VLAN is deleted, make the port drop untagged packets. Reverse the operation when PVID is toggled back on. Set the PVID back to the default (1), when leaving the bridge so that untagged traffic will be directed to the CPU. Fixes: 56ade8fe3fe1 ("mlxsw: spectrum: Add initial support for Spectrum ASIC") Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-02-18mlxsw: reg: Add the Switch Port Acceptable Frame Types registerIdo Schimmel
When VLAN filtering is enabled on a bridge and PVID is deleted from a bridge port, then untagged frames are not allowed to ingress into the bridge from this port. Add the Switch Port Acceptable Frame Types (SPAFT) register, which configures the frame admittance of the port. Fixes: 56ade8fe3fe1 ("mlxsw: spectrum: Add initial support for Spectrum ASIC") Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-02-17et131x: check return value of dma_alloc_coherentInsu Yun
For error handling, dma_alloc_coherent's return value needs to be checked, not argument. Signed-off-by: Insu Yun <wuninsu@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-02-17Merge branch 'thunderx-fixes'David S. Miller
Sunil Goutham says: ==================== net: thunderx: Miscellaneous fixes This patch series fixes couple of issues w.r.t multiqset mode and receive packet statastics. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2016-02-17net: thunderx: Fix receive packet statsSunil Goutham
Counting rx packets for every CQE_RX in CQ irq handler is incorrect. Synchronization is missing when multiple queues are receiving packets simultaneously. Like transmit packet stats use HW stats here. Also removed unused 'cqe_type' parameter in nicvf_rcv_pkt_handler(). Signed-off-by: Sunil Goutham <sgoutham@cavium.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-02-17net: thunderx: Fix for HW TSO not enabled for secondary qsetsSunil Goutham
For secondary Qsets 'hw_tso' is not getting set as probe() returns much earlier. Fixed it by moving silicon revision check. Signed-off-by: Sunil Goutham <sgoutham@cavium.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-02-17net: thunderx: Fix for multiqset not configured upon interface toggleSunil Goutham
When a interface is assigned morethan 8 queues and the logical interface is toggled i.e down & up, additional queues or qsets are not initialized as secondary qset count is being set to zero while tearing down. Signed-off-by: Sunil Goutham <sgoutham@cavium.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-02-17tcp: correctly crypto_alloc_hash return checkInsu Yun
crypto_alloc_hash never returns NULL Signed-off-by: Insu Yun <wuninsu@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-02-17net: dsa: Unregister slave_dev in error pathFlorian Fainelli
With commit 0071f56e46da ("dsa: Register netdev before phy"), we are now trying to free a network device that has been previously registered, and in case of errors, this will make us hit the BUG_ON(dev->reg_state != NETREG_UNREGISTERED) condition. Fix this by adding a missing unregister_netdev() before free_netdev(). Fixes: 0071f56e46da ("dsa: Register netdev before phy") Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-02-17phy: marvell: Fix and unify reg-init behaviorClemens Gruber
For the Marvell 88E1510, marvell_of_reg_init was called too late, in the config_aneg function. Since commit 113c74d83eef ("net: phy: turn carrier off on phy attach"), this lead to the link not coming up at boot anymore, due to the phy state machine being stuck at waiting for interrupts (off by default on the 88E1510). For seven other Marvell PHYs, marvell_of_reg_init was not called at all. Add a generic marvell_config_init function, which in turn calls marvell_of_reg_init. PHYs, which already have a specific config_init function with a call to marvell_of_reg_init, are left untouched. The generic marvell_config_init function is called for all the others, to get consistent behavior across all Marvell PHYs. Fixes: 113c74d83eef ("net: phy: turn carrier off on phy attach") Signed-off-by: Clemens Gruber <clemens.gruber@pqgruber.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-02-17pppoe: fix reference counting in PPPoE proxyGuillaume Nault
Drop reference on the relay_po socket when __pppoe_xmit() succeeds. This is already handled correctly in the error path. Signed-off-by: Guillaume Nault <g.nault@alphalink.fr> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-02-17ravb: Update DT binding example for final CPG/MSSR bindingsGeert Uytterhoeven
The example in the DT binding documentation uses the preliminary DT bindings for the r8a7795 MSTP clocks, which never went upstream. Update the example to use the DT bindings for the upstream Clock Pulse Generator / Module Standby and Software Reset hardware block. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Reviewed-by: Simon Horman <horms+renesas@verge.net.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-02-17Merge branch 'mlxsw-fixes'David S. Miller
Jiri Pirko says: ==================== mlxsw fixes Just a couple of fixes from Ido. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2016-02-17mlxsw: spectrum: Set STP state when leaving 802.1D bridgeIdo Schimmel
When a VLAN device leaves a bridge its STP state is set to DISABLED, which causes the hardware to discard any packets coming through the port with this VLAN. Fix that by setting STP state to FORWARDING when the device leaves its bridge and allow traffic to be directed to CPU. Fixes: 26f0e7fb15de ("mlxsw: spectrum: Add support for VLAN devices bridging") Reported-by: Elad Raz <eladr@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-02-17mlxsw: Treat local port 64 as validIdo Schimmel
MLXSW_PORT_MAX_PORTS represents the maximum number of local ports, which is 65 for both ASICs (SwitchX-2 and Spectrum) supported by this driver. Fixes: 93c1edb27f9e ("mlxsw: Introduce Mellanox switch driver core") Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-02-17l2tp: Fix error creating L2TP tunnelsMark Tomlinson
A previous commit (33f72e6) added notification via netlink for tunnels when created/modified/deleted. If the notification returned an error, this error was returned from the tunnel function. If there were no listeners, the error code ESRCH was returned, even though having no listeners is not an error. Other calls to this and other similar notification functions either ignore the error code, or filter ESRCH. This patch checks for ESRCH and does not flag this as an error. Reviewed-by: Hamish Martin <hamish.martin@alliedtelesis.co.nz> Signed-off-by: Mark Tomlinson <mark.tomlinson@alliedtelesis.co.nz> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-02-17drivers: net: cpsw-phy-sel: add dev_warn() for unsupported PHY modeDavid Rivshin
The cpsw-phy-sel driver supports only MII, RMII, and RGMII PHY modes, and silently handled any other values as if MII was specified. In a case where the PHY mode was incorrectly specified, or a bug elsewhere, there would be no indication of a problem. If MII was the correct mode, then this will go unnoticed, otherwise the symptom will be a failure to transmit/receive data over the RMII/RGMII link. Add a dev_warn() to make this condition obvious and provide a breadcrumb to follow. Cc: Mugunthan V N <mugunthanvnm@ti.com> Signed-off-by: David Rivshin <drivshin@allworx.com> Acked-by: Mugunthan V N <mugunthanvnm@ti.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-02-17phy: keep pause flags in phy driver featuresWoojung.Huh@microchip.com
genphy_config_init() masked out pause flags set in phy driver structure. Pause flags needs to be preserved in phydev->supported & phydev->advertising. Signed-off-by: Woojung Huh <woojung.huh@microchip.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-02-17Merge branch 'mlx4-fixes'David S. Miller
Or Gerlitz says: ==================== Mellanox 10/40G mlx4 driver fixes for 4.5-rc Bunch of fixes from the team to the mlx4 Eth and core drivers. Series generated against net commit aac8d3c "qmi_wwan: add "4G LTE usb-modem U901"" Please push patches 1,2 and 6 to -stable as well changes from v0: - handled another wrongly accounted HW counter in patch #1 (Rick) - fixed coding style issues in patch #4 (Sergei) ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2016-02-17net/mlx4_en: Avoid changing dev->features directly in run-timeEugenia Emantayev
It's forbidden to manually change dev->features in run-time. Currently, this is done in the driver to make sure that GSO_UDP_TUNNEL is advertized only when VXLAN tunnel is set. However, since the stack actually does features intersection with hw_enc_features, we can safely revert to advertizing features early when registering the netdevice. Fixes: f4a1edd56120 ('net/mlx4_en: Advertize encapsulation offloads [...]') Signed-off-by: Eugenia Emantayev <eugenia@mellanox.com> Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-02-17net/mlx4_core: Set UAR page size to 4KB regardless of system page sizeHuy Nguyen
problem description: The current code sets UAR page size equal to system page size. The ConnectX-3 and ConnectX-3 Pro HWs require minimum 128 UAR pages. The mlx4 kernel drivers are not loaded if there is less than 128 UAR pages. solution: Always set UAR page to 4KB. This allows more UAR pages if the OS has PAGE_SIZE larger than 4KB. For example, PowerPC kernel use 64KB system page size, with 4MB uar region, there are 4MB/2/64KB = 32 uars (half for uar, half for blueflame). This does not meet minimum 128 UAR pages requirement. With 4KB UAR page, there are 4MB/2/4KB = 512 uars which meet the minimum requirement. Note that only codes in mlx4_core that deal with firmware know that uar page size is 4KB. Codes that deal with usr page in cq and qp context (mlx4_ib, mlx4_en and part of mlx4_core) still have the same assumption that uar page size equals to system page size. Note that with this implementation, on 64KB system page size kernel, there are 16 uars per system page but only one uars is used. The other 15 uars are ignored because of the above assumption. Regarding SR-IOV, mlx4_core in hypervisor will set the uar page size to 4KB and mlx4_core code in virtual OS will obtain the uar page size from firmware. Regarding backward compatibility in SR-IOV, if hypervisor has this new code, the virtual OS must be updated. If hypervisor has old code, and the virtual OS has this new code, the new code will be backward compatible with the old code. If the uar size is big enough, this new code in VF continues to work with 64 KB uar page size (on PowerPc kernel). If the uar size does not meet 128 uars requirement, this new code not loaded in VF and print the same error message as the old code in Hypervisor. Signed-off-by: Huy Nguyen <huyn@mellanox.com> Reviewed-by: Yishai Hadas <yishaih@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-02-17net/mlx4_core: Do not BUG_ON during reset when PCI is offlineDaniel Jurgens
The PCI channel could go offline during reset due to EEH. Don't bug on in this case, the error is recoverable. Fixes: f6bc11e42646 ('net/mlx4_core: Enhance the catas flow to support device reset') Signed-off-by: Daniel Jurgens <danielj@mellanox.com> Reviewed-by: Yishai Hadas <yishaih@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-02-17net/mlx4_core: Fix potential corruption in counters databaseEran Ben Elisha
The error flow in procedure handle_existing_counter() is wrong. The procedure should exit after encountering the error, not continue as if everything is OK. Fixes: 68230242cdbc ('net/mlx4_core: Add port attribute when tracking counters') Signed-off-by: Eran Ben Elisha <eranbe@mellanox.com> Signed-off-by: Jack Morgenstein <jackm@dev.mellanox.co.il> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-02-17net/mlx4_en: Choose time-stamping shift value according to HW frequencyEugenia Emantayev
Previously, the shift value used for time-stamping was constant and didn't depend on the HW chip frequency. Change that to take the frequency into account and calculate the maximal value in cycles per wraparound of ten seconds. This time slot was chosen since it gives a good accuracy in time synchronization. Algorithm for shift value calculation: * Round up the maximal value in cycles to nearest power of two * Calculate maximal multiplier by division of all 64 bits set to above result * Then, invert the function clocksource_khz2mult() to get the shift from maximal mult value Fixes: ec693d47010e ('net/mlx4_en: Add HW timestamping (TS) support') Signed-off-by: Eugenia Emantayev <eugenia@mellanox.com> Reviewed-by: Matan Barak <matanb@mellanox.com> Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-02-17net/mlx4_en: Count HW buffer overrun only onceAmir Vadai
RdropOvflw counts overrun of HW buffer, therefore should be used for rx_fifo_errors only. Currently RdropOvflw counter is mistakenly also set into rx_missed_errors and rx_over_errors too, which makes the device total dropped packets accounting to show wrong results. Fix that. Use it for rx_fifo_errors only. Fixes: c27a02cd94d6 ('mlx4_en: Add driver for Mellanox ConnectX 10GbE NIC') Signed-off-by: Amir Vadai <amir@vadai.me> Signed-off-by: Eugenia Emantayev <eugenia@mellanox.com> Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-02-16qmi_wwan: add "4G LTE usb-modem U901"Bjørn Mork
Thomas reports: T: Bus=01 Lev=01 Prnt=01 Port=03 Cnt=01 Dev#= 4 Spd=480 MxCh= 0 D: Ver= 2.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1 P: Vendor=05c6 ProdID=6001 Rev=00.00 S: Manufacturer=USB Modem S: Product=USB Modem S: SerialNumber=1234567890ABCDEF C: #Ifs= 5 Cfg#= 1 Atr=e0 MxPwr=500mA I: If#= 0 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=ff Driver=option I: If#= 1 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=ff Driver=option I: If#= 2 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=ff Driver=option I: If#= 3 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=ff Driver=qmi_wwan I: If#= 4 Alt= 0 #EPs= 2 Cls=08(stor.) Sub=06 Prot=50 Driver=usb-storage Reported-by: Thomas Schäfer <tschaefer@t-online.de> Signed-off-by: Bjørn Mork <bjorn@mork.no> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-02-16tcp: md5: release request socket instead of listenerEric Dumazet
If tcp_v4_inbound_md5_hash() returns an error, we must release the refcount on the request socket, not on the listener. The bug was added for IPv4 only. Fixes: 079096f103fac ("tcp/dccp: install syn_recv requests into ehash table") Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-02-16tcp: do not set rtt_min to 1Eric Dumazet
There are some cases where rtt_us derives from deltas of jiffies, instead of using usec timestamps. Since we want to track minimal rtt, better to assume a delta of 0 jiffie might be in fact be very close to 1 jiffie. It is kind of sad jiffies_to_usecs(1) calls a function instead of simply using a constant. Fixes: f672258391b42 ("tcp: track min RTT using windowed min-filter") Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: Neal Cardwell <ncardwell@google.com> Cc: Yuchung Cheng <ycheng@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-02-16pcnet_cs: add new idKen Kawasaki
add new id (CONTEC C-NET(PC)C-100TX2) Signed-off-by: Ken Kawasaki <ken_kawasaki@nifty.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-02-16net: dsa: remove phy_disconnect from error pathSascha Hauer
The phy has not been initialized, disconnecting it in the error path results in a NULL pointer exception. Drop the phy_disconnect from the error path. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Acked-by: Neil Armstrong <narmstrong@baylibre.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-02-16net: dsa: mv88e6xxx: Add support for Marvell 88E6240Sascha Hauer
The Marvell 88E6240 has been tested successfully without further changes. Add entry to the table of supported devices. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-02-16tipc: fix premature addition of node to lookup tableJon Paul Maloy
In commit 5266698661401a ("tipc: let broadcast packet reception use new link receive function") we introduced a new per-node broadcast reception link instance. This link is created at the moment the node itself is created. Unfortunately, the allocation is done after the node instance has already been added to the node lookup hash table. This creates a potential race condition, where arriving broadcast packets are able to find and access the node before it has been fully initialized, and before the above mentioned link has been created. The result is occasional crashes in the function tipc_bcast_rcv(), which is trying to access the not-yet existing link. We fix this by deferring the addition of the node instance until after it has been fully initialized in the function tipc_node_create(). Acked-by: Ying Xue <ying.xue@windriver.com> Signed-off-by: Jon Maloy <jon.maloy@ericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-02-16Merge branch 'bnxt_en-fixes'David S. Miller
Michael Chan says: ==================== bnxt_en: Bug fixes. Fixed autoneg logic and some related cleanups, fixed tx push operation, and reduced default ring sizes. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2016-02-16bnxt_en: Reduce default ring sizes.Michael Chan
The current default tx ring size of 512 causes an extra page to be allocated for the tx ring with only 1 entry in it. Reduce it to 511. The default rx ring size is also reduced to 511 to use less memory by default. Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-02-16bnxt_en: Fix implementation of tx push operation.Michael Chan
tx push is supported for small packets to reduce DMA latency. The following bugs are fixed in this patch: 1. Fix the definition of the push BD which is different from the DMA BD. 2. The push buffer has to be zero padded to the next 64-bit word boundary or tx checksum won't be correct. 3. Increase the tx push packet threshold to 164 bytes (192 bytes with the BD) so that small tunneled packets are within the threshold. Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-02-16bnxt_en: Remove 20G support and advertise only 40GbaseCR4.Michael Chan
20G is not supported by production hardware and only the 40GbaseCR4 standard is supported. Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-02-16bnxt_en: Cleanup and Fix flow control setup logicMichael Chan
Cleanup bnxt_probe_phy() to cleanly separate 2 code blocks for autoneg on and off. Autoneg flow control is possible only if autoneg is enabled. In bnxt_get_settings(), Pause and Asym_Pause are always supported. Only the advertisement bits change depending on the ethtool -A setting in auto mode. Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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