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2015-03-31ptp: blackfin: convert to the 64 bit get/set time methods.Richard Cochran1-4/+4
The device uses 64 bit nanoseconds register, and so with this patch the driver is ready for the year 2038. Signed-off-by: Richard Cochran <richardcochran@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-31ptp: use the 64 bit get/set time methods for the posix clock.Richard Cochran1-2/+17
This patch changes the posix clock code to prefer the new methods whenever they are implemented by the PHC drivers. Signed-off-by: Richard Cochran <richardcochran@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-31ptp: use the 64 bit gettime method for the SYS_OFFSET ioctl.Richard Cochran1-4/+10
This patch changes the code to use the new method whenever implemented by the PHC driver. Signed-off-by: Richard Cochran <richardcochran@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-31ptp: introduce get/set time methods with explicit 64 bit seconds.Richard Cochran1-2/+10
Converting the PHC drivers over to the new methods is one step along the way to making them ready for 2038. Once all the drivers are up to date, then the old methods will be removed. Signed-off-by: Richard Cochran <richardcochran@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-29tipc: fix two bugs in secondary destination lookupJon Paul Maloy3-1/+14
A message sent to a node after a successful name table lookup may still find that the destination socket has disappeared, because distribution of name table updates is non-atomic. If so, the message will be rejected back to the sender with error code TIPC_ERR_NO_PORT. If the source socket of the message has disappeared in the meantime, the message should be dropped. However, in the currrent code, the message will instead be subject to an unwanted tertiary lookup, because the function tipc_msg_lookup_dest() doesn't check if there is an error code present in the message before performing the lookup. In the worst case, the message may now find the old destination again, and be redirected once more, instead of being dropped directly as it should be. A second bug in this function is that the "prev_node" field in the message is not updated after successful lookup, something that may have unpredictable consequences. The problems arising from those bugs occur very infrequently. The third change in this function; the test on msg_reroute_msg_cnt() is purely cosmetic, reflecting that the returned value never can be negative. This commit corrects the two bugs described above. Signed-off-by: Jon Maloy <jon.maloy@ericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-29igb: Enable TSO for stacked vlanToshiaki Makita1-0/+1
As datasheets for igb (I210, I350, 82576, etc.) say, maclen can be from 14 to 127, which is enough for reasonable number of vlan tags. My netperf test showed I350's TSO works pretty fine with multiple vlans. Signed-off-by: Toshiaki Makita <makita.toshiaki@lab.ntt.co.jp> Acked-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-29team: Don't segment multiple tagged packets on team deviceToshiaki Makita1-0/+1
Team devices don't need to segment multiple tagged packets since their slaves can segment them. Signed-off-by: Toshiaki Makita <makita.toshiaki@lab.ntt.co.jp> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-29bonding: Don't segment multiple tagged packets on bonding deviceToshiaki Makita1-0/+1
Bonding devices don't need to segment multiple tagged packets since their slaves can segment them. Signed-off-by: Toshiaki Makita <makita.toshiaki@lab.ntt.co.jp> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-29net: Introduce passthru_features_checkToshiaki Makita2-0/+11
As there are a number of (especially virtual) devices that don't need the multiple vlan check, introduce passthru_features_check() for convenience. Signed-off-by: Toshiaki Makita <makita.toshiaki@lab.ntt.co.jp> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-29net: Move check for multiple vlans to driversToshiaki Makita5-12/+34
To allow drivers to handle the features check for multiple tags, move the check to ndo_features_check(). As no drivers currently handle multiple tagged TSO, introduce dflt_features_check() and call it if the driver does not have ndo_features_check(). Signed-off-by: Toshiaki Makita <makita.toshiaki@lab.ntt.co.jp> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-29vlan: Introduce helper functions to check if skb is taggedToshiaki Makita2-16/+53
Separate the two checks for single vlan and multiple vlans in netif_skb_features(). This allows us to move the check for multiple vlans to another function later. Signed-off-by: Toshiaki Makita <makita.toshiaki@lab.ntt.co.jp> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-29vlan: Add features for stacked vlan deviceToshiaki Makita1-0/+1
Stacked vlan devices curretly have few features (GRO, HIGHDMA, LLTX). Since we have software fallbacks in case the NIC can not handle some features for multiple vlans, we can add the same features as the lower vlan devices for stacked vlan devices. This allows stacked vlan devices to create large (GSO) packets and not to segment packets. Those packets will be segmented by software on the real device, or even can be segmented by the NIC once TSO for multiple vlans becomes enabled by the following patches. The exception is those related to FCoE, which does not have a software fallback. Signed-off-by: Toshiaki Makita <makita.toshiaki@lab.ntt.co.jp> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-29tc: bpf: generalize pedit actionAlexei Starovoitov4-2/+73
existing TC action 'pedit' can munge any bits of the packet. Generalize it for use in bpf programs attached as cls_bpf and act_bpf via bpf_skb_store_bytes() helper function. Signed-off-by: Alexei Starovoitov <ast@plumgrid.com> Reviewed-by: Jiri Pirko <jiri@resnulli.us> Acked-by: Daniel Borkmann <daniel@iogearbox.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-29net: dsa: mv88e6171: Add support for hardware bridgingAndrew Lunn1-0/+6
Wire up the common code for setting up hardware bridging and access to the forwarding database. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-29net: dsa: mv88e6171: Add EEE support to the mv88e6172Andrew Lunn1-0/+24
The mv88e6172 has support for EEE. Check for the product ID and call the common code if applicable. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-29net: dsa: mv88e6171: Add defines for switch product IDsAndrew Lunn1-2/+6
Make the code more readable by using defines for the switch IDs. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-29net: dsa: Centralise getting switch idAndrew Lunn2-2/+2
Get the switch id and save it away in the private mv88x6xxx structure in a centralised piece of code, rather than each driver doing it itself. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-29net: dsa: mv88e6352: Add support for ndo_fdb functionsGuenter Roeck1-0/+3
Add support for manipulating switch fdb entries by pointing to the ndo_fdb functions implemented for mv88e6xxxx. Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-29net: dsa: mv88e6xxx: Add support for fdb_add, fdb_del, and fdb_getnextGuenter Roeck2-0/+152
No vlan support at this time. Reviewed-by: Andrew Lunn <andrew@lunn.ch> Tested-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-29net: dsa: Add basic framework to support ndo_fdb functionsGuenter Roeck2-0/+108
Provide callbacks for ndo_fdb_add, ndo_fdb_del, and ndo_fdb_dump. Reviewed-by: Andrew Lunn <andrew@lunn.ch> Tested-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-29net: dsa: mv88e6352: Add support for hardware bridgingGuenter Roeck1-0/+3
Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-29net: dsa: mv88e6xxx: Add Hardware bridging supportGuenter Roeck2-7/+292
Bridge support is similar for all chips supported by the mv88e6xxx code, so add the code there. Reviewed-by: Andrew Lunn <andrew@lunn.ch> Tested-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-29net: dsa: mv88e6171: Use common port configurationGuenter Roeck1-23/+1
Reviewed-by: Andrew Lunn <andrew@lunn.ch> Tested-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-29net: dsa: mv88e6123_61_65: Use common port configurationGuenter Roeck1-23/+1
This will simplify adding offloaded bridge support later on. Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-29net: dsa: mv88e6352: Use common port initialization codeGuenter Roeck1-23/+1
This prepares the driver for hardware bridging. Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-29net: dsa: mv88e6xxx: Split mv88e6xxx_reg_read and mv88e6xxx_reg_writeGuenter Roeck1-9/+26
Split mv88e6xxx_reg_read and mv88e6xxx_reg_write into two functions each, one to acquire smi_mutex and one to get struct mii_bus *bus from struct dsa_switch *ds and to call the actual read/write function. Reviewed-by: Andrew Lunn <andrew@lunn.ch> Tested-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-29net: dsa: mv88e6xxx: Disable Message Port bit for CPU portGuenter Roeck1-4/+3
Datasheet says that the Message Port bit should not be set for the CPU port. Having it set causes DSA tagged packets to be sent to the CPU port roughly every 30 seconds. Those packets are the same as real packets forwarded between switch ports if the switch is configured for switching between multiple ports. The packets are then bridged by the software bridge, resulting in duplicated packets on the network. Reported-by: Andrew Lunn <andrew@lunn.ch> Cc: Andrew Lunn <andrew@lunn.ch> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Tested-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-29net: dsa: mv88e6xxx: Provide function for common port initializationGuenter Roeck2-0/+40
Provide mv88e6xxx_setup_port_common() for common port initialization. Currently only write Port 1 Control and VLAN configuration since this will be needed for hardware bridging. More can be added later if desired/needed. Reviewed-by: Andrew Lunn <andrew@lunn.ch> Tested-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-29net: dsa: mv88e6xxx: Factor out common initialization codeGuenter Roeck5-12/+22
Code used and needed in mv886xxx.c should be initialized there as well, so factor it out from the individual initialization files. Reviewed-by: Andrew Lunn <andrew@lunn.ch> Tested-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-29hv_netvsc: remove vmbus_are_subchannels_present() in rndis_filter_device_add()Haiyang Zhang1-2/+0
The vmbus_are_subchannels_present() also involves opening the channels, which may be too early at this point. Checking for subchannels is not necessary here. So this patch removes it. Subchannels will be opened when offer messages arrive. Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-29net: smc91x: make use of 4th parameter to devm_gpiod_get_indexUwe Kleine-König1-17/+8
Since 39b2bbe3d715 (gpio: add flags argument to gpiod_get*() functions) which appeared in v3.17-rc1, the gpiod_get* functions take an additional parameter that allows to specify direction and initial value for output. Simplify accordingly. Moreover use devm_gpiod_get_index_optional for still simpler handling. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-29hv_netvsc: Implement batching in send bufferHaiyang Zhang4-47/+162
With this patch, we can send out multiple RNDIS data packets in one send buffer slot and one VMBus message. It reduces the overhead associated with VMBus messages. Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com> Reviewed-by: K. Y. Srinivasan <kys@microsoft.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-29tipc: involve reference counter for node structureYing Xue6-30/+79
TIPC node hash node table is protected with rcu lock on read side. tipc_node_find() is used to look for a node object with node address through iterating the hash node table. As the entire process of what tipc_node_find() traverses the table is guarded with rcu read lock, it's safe for us. However, when callers use the node object returned by tipc_node_find(), there is no rcu read lock applied. Therefore, this is absolutely unsafe for callers of tipc_node_find(). Now we introduce a reference counter for node structure. Before tipc_node_find() returns node object to its caller, it first increases the reference counter. Accordingly, after its caller used it up, it decreases the counter again. This can prevent a node being used by one thread from being freed by another thread. Reviewed-by: Erik Hugne <erik.hugne@ericsson.com> Reviewed-by: Jon Maloy <jon.maloy@ericson.com> Signed-off-by: Ying Xue <ying.xue@windriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-29tipc: fix potential deadlock when all links are resetYing Xue5-32/+8
[ 60.988363] ====================================================== [ 60.988754] [ INFO: possible circular locking dependency detected ] [ 60.989152] 3.19.0+ #194 Not tainted [ 60.989377] ------------------------------------------------------- [ 60.989781] swapper/3/0 is trying to acquire lock: [ 60.990079] (&(&n_ptr->lock)->rlock){+.-...}, at: [<ffffffffa0006dca>] tipc_link_retransmit+0x1aa/0x240 [tipc] [ 60.990743] [ 60.990743] but task is already holding lock: [ 60.991106] (&(&bclink->lock)->rlock){+.-...}, at: [<ffffffffa00004be>] tipc_bclink_lock+0x8e/0xa0 [tipc] [ 60.991738] [ 60.991738] which lock already depends on the new lock. [ 60.991738] [ 60.992174] [ 60.992174] the existing dependency chain (in reverse order) is: [ 60.992174] -> #1 (&(&bclink->lock)->rlock){+.-...}: [ 60.992174] [<ffffffff810a9c0c>] lock_acquire+0x9c/0x140 [ 60.992174] [<ffffffff8179c41f>] _raw_spin_lock_bh+0x3f/0x50 [ 60.992174] [<ffffffffa00004be>] tipc_bclink_lock+0x8e/0xa0 [tipc] [ 60.992174] [<ffffffffa0000f57>] tipc_bclink_add_node+0x97/0xf0 [tipc] [ 60.992174] [<ffffffffa0011815>] tipc_node_link_up+0xf5/0x110 [tipc] [ 60.992174] [<ffffffffa0007783>] link_state_event+0x2b3/0x4f0 [tipc] [ 60.992174] [<ffffffffa00193c0>] tipc_link_proto_rcv+0x24c/0x418 [tipc] [ 60.992174] [<ffffffffa0008857>] tipc_rcv+0x827/0xac0 [tipc] [ 60.992174] [<ffffffffa0002ca3>] tipc_l2_rcv_msg+0x73/0xd0 [tipc] [ 60.992174] [<ffffffff81646e66>] __netif_receive_skb_core+0x746/0x980 [ 60.992174] [<ffffffff816470c1>] __netif_receive_skb+0x21/0x70 [ 60.992174] [<ffffffff81647295>] netif_receive_skb_internal+0x35/0x130 [ 60.992174] [<ffffffff81648218>] napi_gro_receive+0x158/0x1d0 [ 60.992174] [<ffffffff81559e05>] e1000_clean_rx_irq+0x155/0x490 [ 60.992174] [<ffffffff8155c1b7>] e1000_clean+0x267/0x990 [ 60.992174] [<ffffffff81647b60>] net_rx_action+0x150/0x360 [ 60.992174] [<ffffffff8105ec43>] __do_softirq+0x123/0x360 [ 60.992174] [<ffffffff8105f12e>] irq_exit+0x8e/0xb0 [ 60.992174] [<ffffffff8179f9f5>] do_IRQ+0x65/0x110 [ 60.992174] [<ffffffff8179da6f>] ret_from_intr+0x0/0x13 [ 60.992174] [<ffffffff8100de9f>] arch_cpu_idle+0xf/0x20 [ 60.992174] [<ffffffff8109dfa6>] cpu_startup_entry+0x2f6/0x3f0 [ 60.992174] [<ffffffff81033cda>] start_secondary+0x13a/0x150 [ 60.992174] -> #0 (&(&n_ptr->lock)->rlock){+.-...}: [ 60.992174] [<ffffffff810a8f7d>] __lock_acquire+0x163d/0x1ca0 [ 60.992174] [<ffffffff810a9c0c>] lock_acquire+0x9c/0x140 [ 60.992174] [<ffffffff8179c41f>] _raw_spin_lock_bh+0x3f/0x50 [ 60.992174] [<ffffffffa0006dca>] tipc_link_retransmit+0x1aa/0x240 [tipc] [ 60.992174] [<ffffffffa0001e11>] tipc_bclink_rcv+0x611/0x640 [tipc] [ 60.992174] [<ffffffffa0008646>] tipc_rcv+0x616/0xac0 [tipc] [ 60.992174] [<ffffffffa0002ca3>] tipc_l2_rcv_msg+0x73/0xd0 [tipc] [ 60.992174] [<ffffffff81646e66>] __netif_receive_skb_core+0x746/0x980 [ 60.992174] [<ffffffff816470c1>] __netif_receive_skb+0x21/0x70 [ 60.992174] [<ffffffff81647295>] netif_receive_skb_internal+0x35/0x130 [ 60.992174] [<ffffffff81648218>] napi_gro_receive+0x158/0x1d0 [ 60.992174] [<ffffffff81559e05>] e1000_clean_rx_irq+0x155/0x490 [ 60.992174] [<ffffffff8155c1b7>] e1000_clean+0x267/0x990 [ 60.992174] [<ffffffff81647b60>] net_rx_action+0x150/0x360 [ 60.992174] [<ffffffff8105ec43>] __do_softirq+0x123/0x360 [ 60.992174] [<ffffffff8105f12e>] irq_exit+0x8e/0xb0 [ 60.992174] [<ffffffff8179f9f5>] do_IRQ+0x65/0x110 [ 60.992174] [<ffffffff8179da6f>] ret_from_intr+0x0/0x13 [ 60.992174] [<ffffffff8100de9f>] arch_cpu_idle+0xf/0x20 [ 60.992174] [<ffffffff8109dfa6>] cpu_startup_entry+0x2f6/0x3f0 [ 60.992174] [<ffffffff81033cda>] start_secondary+0x13a/0x150 [ 60.992174] [ 60.992174] other info that might help us debug this: [ 60.992174] [ 60.992174] Possible unsafe locking scenario: [ 60.992174] [ 60.992174] CPU0 CPU1 [ 60.992174] ---- ---- [ 60.992174] lock(&(&bclink->lock)->rlock); [ 60.992174] lock(&(&n_ptr->lock)->rlock); [ 60.992174] lock(&(&bclink->lock)->rlock); [ 60.992174] lock(&(&n_ptr->lock)->rlock); [ 60.992174] [ 60.992174] *** DEADLOCK *** [ 60.992174] [ 60.992174] 3 locks held by swapper/3/0: [ 60.992174] #0: (rcu_read_lock){......}, at: [<ffffffff81646791>] __netif_receive_skb_core+0x71/0x980 [ 60.992174] #1: (rcu_read_lock){......}, at: [<ffffffffa0002c35>] tipc_l2_rcv_msg+0x5/0xd0 [tipc] [ 60.992174] #2: (&(&bclink->lock)->rlock){+.-...}, at: [<ffffffffa00004be>] tipc_bclink_lock+0x8e/0xa0 [tipc] [ 60.992174] The correct the sequence of grabbing n_ptr->lock and bclink->lock should be that the former is first held and the latter is then taken, which exactly happened on CPU1. But especially when the retransmission of broadcast link is failed, bclink->lock is first held in tipc_bclink_rcv(), and n_ptr->lock is taken in link_retransmit_failure() called by tipc_link_retransmit() subsequently, which is demonstrated on CPU0. As a result, deadlock occurs. If the order of holding the two locks happening on CPU0 is reversed, the deadlock risk will be relieved. Therefore, the node lock taken in link_retransmit_failure() originally is moved to tipc_bclink_rcv() so that it's obtained before bclink lock. But the precondition of the adjustment of node lock is that responding to bclink reset event must be moved from tipc_bclink_unlock() to tipc_node_unlock(). Reviewed-by: Erik Hugne <erik.hugne@ericsson.com> Signed-off-by: Ying Xue <ying.xue@windriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-29virtio: simplify the using of received in virtnet_pollLi RongQing1-2/+2
received is 0, no need to minus it and use "+=" to reassign it Signed-off-by: Li RongQing <roy.qing.li@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-29be2net: bump up the driver version to 10.6.0.1Sathya Perla1-1/+1
Signed-off-by: Sathya Perla <sathya.perla@emulex.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-29be2net: setup xps queue mappingSathya Perla1-3/+7
This patch sets up xps queue mapping on load, so that TX traffic is steered to the queue whose irqs are being processed by the current cpu. This helps in avoiding TX lock contention. Signed-off-by: Sathya Perla <sathya.perla@emulex.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-29be2net: assign CPU affinity hints to be2net IRQsPadmanabh Ratnakar2-3/+16
This patch provides hints to irqbalance to map be2net IRQs to specific CPU cores. cpumask_set_cpu_local_first() is used, which first maps IRQs to near NUMA cores; when those cores are exhausted, IRQs are mapped to far NUMA cores. Signed-off-by: Padmanabh Ratnakar <padmanabh.ratnakar@emulex.com> Signed-off-by: Sathya Perla <sathya.perla@emulex.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-29tcp: tcp_syn_flood_action() can be staticEric Dumazet3-31/+29
After commit 1fb6f159fd21 ("tcp: add tcp_conn_request"), tcp_syn_flood_action() is no longer used from IPv6. We can make it static, by moving it above tcp_conn_request() Signed-off-by: Eric Dumazet <edumazet@google.com> Reviewed-by: Octavian Purdila <octavian.purdila@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-29cxgb4: fix boolreturn.cocci warningsWu Fengguang1-3/+3
drivers/net/ethernet/chelsio/cxgb4/cxgb4_fcoe.c:49:9-10: WARNING: return of 0/1 in function 'cxgb_fcoe_sof_eof_supported' with return type bool Return statements in functions returning bool should use true/false instead of 1/0. Generated by: scripts/coccinelle/misc/boolreturn.cocci CC: Varun Prakash <varun@chelsio.com> Signed-off-by: Fengguang Wu <fengguang.wu@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-29fib6: install fib6 ops in the last stepWANG Cong1-6/+3
We should not commit the new ops until we finish all the setup, otherwise we have to NULL it on failure. Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-27net: bcmgenet: add support for multiple Rx queuesPetri Gynther2-45/+137
Add support for multiple Rx queues: 1. Add NAPI context per Rx queue 2. Modify Rx interrupt and Rx NAPI code to handle multiple Rx queues Signed-off-by: Petri Gynther <pgynther@google.com> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-27net: bcmgenet: rework Rx NAPI codePetri Gynther1-23/+45
Introduce new bcmgenet functions to handle the NAPI calls to: netif_napi_add() napi_enable() napi_disable() netif_napi_del() Signed-off-by: Petri Gynther <pgynther@google.com> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-27net: bcmgenet: rework Tx NAPI codePetri Gynther1-18/+62
Introduce new bcmgenet functions to handle the NAPI calls to: netif_napi_add() napi_enable() napi_disable() netif_napi_del() Signed-off-by: Petri Gynther <pgynther@google.com> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-27net: bcmgenet: tweak init_umac()Petri Gynther1-13/+20
Use more meaningful variable names int0_enable and int1_enable when enabling bcmgenet interrupts. For Rx default queue interrupts, use: UMAC_IRQ_RXDMA_BDONE | UMAC_IRQ_RXDMA_PDONE For Tx default queue interrupts, use: UMAC_IRQ_TXDMA_BDONE | UMAC_IRQ_TXDMA_PDONE Signed-off-by: Petri Gynther <pgynther@google.com> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-27net: bcmgenet: simplify bcmgenet_init_dma()Petri Gynther1-16/+17
Do the two kcalloc() calls first, before proceeding into Rx/Tx DMA init. Makes the error case handling much simpler. Signed-off-by: Petri Gynther <pgynther@google.com> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Reviewed-by: Jaedon Shin <jaedon.shin@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-27net: bcmgenet: modify Tx ring int_enable and int_disable vectorsPetri Gynther2-19/+13
Remove unnecessary function parameter priv. Use ring->priv instead. Signed-off-by: Petri Gynther <pgynther@google.com> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-27net: bcmgenet: remove priv->int0_mask and priv->int1_maskPetri Gynther2-4/+0
Remove unused priv->int0_mask and priv->int1_mask. Signed-off-by: Petri Gynther <pgynther@google.com> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-27drivers: net: xgene: Add separate tx completion ringIyappan Subramanian2-20/+127
- Added wrapper functions around napi_add, napi_del, napi_enable and napi_disable - Moved platform_get_irq function call after reading phy_mode - Associating the new irq to tx completion for the supported ethernet interfaces Signed-off-by: Iyappan Subramanian <isubramanian@apm.com> Signed-off-by: Keyur Chudgar <kchudgar@apm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-27dtb: xgene: Add interrupt for Tx completionIyappan Subramanian1-3/+6
Signed-off-by: Iyappan Subramanian <isubramanian@apm.com> Signed-off-by: Keyur Chudgar <kchudgar@apm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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