Up until now a learning session ended whenever the number of queried
records was zero. This turned out to be problematic in situations where
a large number of MACs (48K) had to be processed by the switch driver,
as RTNL mutex is held during the learning session.

Instead, limit the number of FDB records that can be processed in a
session to 64. This means that every time the device is queried for
learning notifications (currently, every 100ms), up to 64 records will
be processed by the switch driver.
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>

Saeed Mahameed says:

====================
Mellanox mlx5 core driver updates 2016-08-24

This series contains some low level and API updates for mlx5 core
driver interface and mlx5_ifc.h, plus mlx5 LAG core driver support,
to be shared as base code for net-next and rdma mlx5 4.9 submissions.

From Alex and Artemy, Update mlx5_ifc for modify RQ and XRC bits.

From Noa, Expose mlx5 link modes so they can be used in RDMA tree for rdma tools.

From Aviv, LAG support needed for RDMA.
    - Add needed hardware structures, layouts and interface
    - mlx5 core driver LAG implementation
    - Introduce mlx5 core driver LAG API for mlx5_ib

From Maor, add two low level patches for mlx5 hardware sniffer QP
infrastructure bits and capabilities, plus added the namespace for sniffer
steering tables.  Needed for RDMA subtree.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>

Eric Dumazet says:

====================
net: remove clear_sk() method

Since IPv6 socket lookups no longer dereference pinet6 pointer
and UDP lost SLAB_DESTROY_BY_RCU special rules, we no longer
need special clear_sk() methods.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>

We no longer use this handler, we can delete it.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

Now RCU lookups of IPv6 TCP sockets no longer dereference pinet6,
we do not need tcp_v6_clear_sk() anymore.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

Since we no longer use SLAB_DESTROY_BY_RCU for UDP,
we do not need sk_prot_clear_portaddr_nulls() helper.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

Now RCU lookups of ipv6 udp sockets no longer dereference
pinet6 field, we can get rid of udp_v6_clear_sk() helper.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

This implements SOCK_DESTROY for UDP sockets similar to what was done
for TCP with commit c1e64e29 ("net: diag: Support destroying TCP
sockets.") A process with a UDP socket targeted for destroy is awakened
and recvmsg fails with ECONNABORTED.
Signed-off-by: David Ahern <dsa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

Use kfree_skb() instead of kfree() to free sk_buff.

Fixes: 0d051bf9 ("tipc: make bearer packet filtering generic")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Acked-by: Ying Xue <ying.xue@windriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

This patch changes the return type of ena_set_push_mode() to be void,
as it always returns 0.
Signed-off-by: Rami Rosen <ramirose@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

Merge tag 'rxrpc-rewrite-20160823-2' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs

David Howells says:

====================
rxrpc: Miscellaneous improvements

Here are some improvements that are part of the AF_RXRPC rewrite.  They
need to be applied on top of the just posted cleanups.

 (1) Set the connection expiry on the connection becoming idle when its
     last currently active call completes rather than each time put is
     called.

     This means that the connection isn't held open by retransmissions,
     pings and duplicate packets.  Future patches will limit the number of
     live connections that the kernel will support, so making sure that old
     connections don't overstay their welcome is necessary.

 (2) Calculate packet serial skew in the UDP data_ready callback rather
     than in the call processor on a work queue.  Deferring it like this
     causes the skew to be elevated by further packets coming in before we
     get to make the calculation.

 (3) Move retransmission of the terminal ACK or ABORT packet for a
     connection to the connection processor, using the terminal state
     cached in the rxrpc_connection struct.  This means that once last_call
     is set in a channel to the current call's ID, no more packets will be
     routed to that rxrpc_call struct.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>

Merge tag 'rxrpc-rewrite-20160823-1' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs

David Howells says:

====================
rxrpc: Cleanups

Here are some cleanups for the AF_RXRPC rewrite:

 (1) Remove some unused bits.

 (2) Call releasing on socket closure is now done in the order in which
     calls progress through the phases so that we don't miss a call
     actively moving list.

 (3) The rxrpc_call struct's channel number field is redundant and replaced
     with accesses to the masked off cid field instead.

 (4) Use a tracepoint for socket buffer accounting rather than printks.

     Unfortunately, since this would require currently non-existend
     arch-specific help to divine the current instruction location, the
     accounting functions are moved out of line so that
     __builtin_return_address() can be used.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>

There is a error message within devm_ioremap_resource
already, so remove the dev_err call to avoid redundant
error message.
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

Remove including <linux/version.h> that don't need it.
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

Fixes the following sparse warning:

drivers/net/phy/xilinx_gmii2rgmii.c:61:5: warning:
 symbol 'xgmiitorgmii_probe' was not declared. Should it be static?
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

Add provision for configuring the fastpath queues with Tx (or Rx) only
functionality.
Signed-off-by: Sudarsana Reddy Kalluru <sudarsana.kalluru@qlogic.com>
Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

Since the features bit field has bits for internal only use as well, it
may happen that the kernel exports RTAX_FEATURES attribute with zero
value which is pointless.

Fix this by making sure the attribute is added only if the exported
value is non-zero.
Signed-off-by: Phil Sutter <phil@nwl.cc>
Signed-off-by: David S. Miller <davem@davemloft.net>

When we disable SRIOV, we used to unregister the netdev but wasn't
freed. But next time when the same netdev is registered, since the state
was in 'NETREG_UNREGISTERED', we used to hit BUG_ON in register_netdevice,
where it expects the state to be 'NETREG_UNINITIALIZED'.

Alloc netdev and register them while configuring SRIOV, and free them
when SRIOV is disabled. Also added a new function to setup ethernet
properties instead of using ether_setup. Set carrier off by default,
since we don't have to do any transmit on the interface.

Fixes: 7829451c ("cxgb4: Add control net_device for configuring PCIe VF")
Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

TFO_SERVER_WO_SOCKOPT2 was intended for debugging purposes during
Fast Open development. Remove this config option and also
update/clean-up the documentation of the Fast Open sysctl.
Reported-by: Piotr Jurkiewicz <piotr.jerzy.jurkiewicz@gmail.com>
Signed-off-by: Yuchung Cheng <ycheng@google.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Neal Cardwell <ncardwell@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

The callback function of call_rcu() just calls a kfree(), so we
can use kfree_rcu() instead of call_rcu() + callback function.
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

liquidio_set_rxcsum_command is a local function only, no need to expose
it outside of lio_main.c so declare it static and make sparse happy.
Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

Use PPP_ALLSTATIONS, PPP_UI, and SEND_SHUTDOWN instead of 0xff,
0x03, and 2 separately.
Signed-off-by: Gao Feng <fgao@ikuai8.com>
Acked-by: Guillaume Nault <g.nault@alphalink.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>

Tom Herbert says:

====================
strp: Minor fixes to strparser and kcm

Fix locking issue in kcm and losing events when paused.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>

Lock the lower socket in kcm_unattach. Release during call to strp_done
since that function cancels the RX timers and work queue with sync.

Also added some status information in psock reporting.
Signed-off-by: Tom Herbert <tom@herbertland.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

When the upper layer unpauses a stream parser connection we need to
queue rx_work to make sure no events are missed.
Signed-off-by: Tom Herbert <tom@herbertland.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

Stephen Hemminger says:

====================
Hyper-V network driver cleanups.

The only new functionality is minor extensions to ethtool.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>

Printing console messages is not helpful when system is out of memory;
and can be disastrous with netconsole. Instead keep statistics
of these anomalous conditions.
Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

Make netvsc on vmbus behave more like PCI.
Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

The variable m_ret is only used in one basic block.
Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

No caller checks the return value.
Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

Break the different cases, code is cleaner if broken up
Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

Rearrange the transmit routine to eliminate goto's and unnecessary
boolean variables. Use standard functions to test for vlan tag.
Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

Move initialization to allocate where other fields are initialized.
Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

Always returns 0 and no callers check.
Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

Don't hard code size of array of NDIS versions.
Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

Several new functions were introduced into hyperv.h but only used in one file.
Move them and let compiler decide on inline.
Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

Fix most of the complaints about the style of the code.
Things like extra blank lines and return statements.
Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

Better to use kcalloc rather than kzalloc and multiply for an array.
Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

The function get_netvsc_net_device had conditional locking. This was
unnecessary, incorrect, but harmless. It was unnecessary since the
code is only called from netlink netdev event callback where RTNL
is always acquired before the callbacks are run. It was incorrect
because of use of trylock and then continuing.
Fix by replacing with proper assertion.
Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>