Commit Graph

589646 Commits

Author SHA1 Message Date
Jes Sorensen
c606e662a5 rtl8xxxu: Add MAC init table for 8192eu
The 8192eu requires a different MAC init table. Add the missing table
and specify the table to use in the fileops structure.

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-04-14 15:45:12 +03:00
stephen hemminger
f38ba953be gre: eliminate holes in ip_tunnel
The structure can be packed denser by doing minor rearrangement
of existing elements.

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-14 01:15:52 -04:00
Sergei Shtylyov
d0988a5f77 ravb: make ravb_ptp_interrupt() *void*
When we have the ISS.CGIS bit set, we already know that gPTP interrupt has
happened, so an extra GIS register check at the end of ravb_ptp_interrupt()
seems superfluous.  We can model the gPTP interrupt  handler like all other
dedicated interrupt handlers in the driver and make it *void*.

Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-14 00:48:33 -04:00
David S. Miller
b9aa78d4fb Merge branch 'qed-ethtool-rss'
Yuval Mintz says:

====================
qed*: [mostly] Ethtool RSS configuration

Most of the content [code-wise] in this series is for allowing various
RSS-related configuration via ethtool.

In addition, this also removed an unnecessary versioning scheme between
the drivers and bump the driver version.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-14 00:43:21 -04:00
Yuval Mintz
7c2d7d7438 qed* - bump driver versions to 8.7.1.20
Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-14 00:43:21 -04:00
Sudarsana Reddy Kalluru
961acdeafd qede: add Rx flow hash/indirection support.
Adds support for the following via ethtool:
  - UDP configuration of RSS based on 2-tuple/4-tuple.
  - RSS hash key.
  - RSS indirection table.

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>
2016-04-14 00:43:21 -04:00
Sudarsana Reddy Kalluru
8c5ebd0c79 qed: add Rx flow hash/indirection support.
Adds the required API for passing RSS-related configuration from qede.

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>
2016-04-14 00:43:20 -04:00
Rahul Verma
95114344ea qed*: remove version dependency
Inbox drivers don't need versioning scheme in order to guarantee
compatibility, as both qed and qede are compiled from same codebase.

Signed-off-by: Rahul Verma <rahul.verma@qlogic.com>
Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-14 00:43:20 -04:00
David S. Miller
6c61403dae Merge branch 'for-davem' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2016-04-14 00:39:15 -04:00
Eric Dumazet
743b03a832 net: remove netdevice gso_min_segs
After introduction of ndo_features_check(), we believe that very
specific checks for rare features should not be done in core
networking stack.

No driver uses gso_min_segs yet, so we revert this feature and save
few instructions per tx packet in fast path.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-14 00:37:08 -04:00
Julia Lawall
cfe2f14c72 qdisc: constify meta_type_ops structures
The meta_type_ops structures are never modified, so declare them as const.

Done with the help of Coccinelle.

Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-14 00:35:30 -04:00
Petri Gynther
e178c8c230 net: bcmgenet: add BQL support
Add Byte Queue Limits (BQL) support to bcmgenet driver.

Signed-off-by: Petri Gynther <pgynther@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-14 00:33:51 -04:00
Florian Fainelli
dac916f8fb net: bcmgenet: use __napi_schedule_irqoff()
bcmgenet_isr1() and bcmgenet_isr0() run in hard irq context,
we do not need to block irq again.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Acked-by: Petri Gynther <pgynther@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-13 23:37:37 -04:00
Eric Dumazet
eb96ce01ba net: bcmgenet: use napi_complete_done()
By using napi_complete_done(), we allow fine tuning
of /sys/class/net/ethX/gro_flush_timeout for higher GRO aggregation
efficiency for a Gbit NIC.

Check commit 24d2e4a507 ("tg3: use napi_complete_done()") for details.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Petri Gynther <pgynther@google.com>
Cc: Florian Fainelli <f.fainelli@gmail.com>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Acked-by: Petri Gynther <pgynther@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-13 23:37:37 -04:00
David S. Miller
dfb6cbf693 Merge branch 'sctp-delayed-wakeups'
Marcelo Ricardo Leitner says:

====================
sctp: delay calls to sk_data_ready() as much as possible

1st patch is a preparation for the 2nd. The idea is to not call
->sk_data_ready() for every data chunk processed while processing
packets but only once before releasing the socket.

v2: patchset re-checked, small changelog fixes
v3: on patch 2, make use of local vars to make it more readable
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-13 23:04:44 -04:00
Marcelo Ricardo Leitner
fb586f2530 sctp: delay calls to sk_data_ready() as much as possible
Currently processing of multiple chunks in a single SCTP packet leads to
multiple calls to sk_data_ready, causing multiple wake up signals which
are costy and doesn't make it wake up any faster.

With this patch it will note that the wake up is pending and will do it
before leaving the state machine interpreter, latest place possible to
do it realiably and cleanly.

Note that sk_data_ready events are not dependent on asocs, unlike waking
up writers.

v2: series re-checked
v3: use local vars to cleanup the code, suggested by Jakub Sitnicki
Signed-off-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-13 23:04:44 -04:00
Marcelo Ricardo Leitner
250eb1f881 sctp: compress bit-wide flags to a bitfield on sctp_sock
It wastes space and gets worse as we add new flags, so convert bit-wide
flags to a bitfield.

Currently it already saves 4 bytes in sctp_sock, which are left as holes
in it for now. The whole struct needs packing, which should be done in
another patch.

Note that do_auto_asconf cannot be merged, as explained in the comment
before it.

Signed-off-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-13 23:04:44 -04:00
Denys Vlasenko
ea019649c3 drivers/net/ethernet/jme.c: Deinline jme_reset_mac_processor, save 2816 bytes
This function compiles to 895 bytes of machine code.

Clearly, this isn't a time-critical function.
For one, it has a number of udelay(1) calls.

Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
CC: David S. Miller <davem@davemloft.net>
CC: linux-kernel@vger.kernel.org
CC: netdev@vger.kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-13 22:57:00 -04:00
David S. Miller
079adf6c53 Merge branch 'bridge-sysfs-rtnl-notifications'
Xin Long says:

====================
bridge: support sending rntl info when we set attributes through sysfs/ioctl

This patchset is used to support sending rntl info to user in some places,
and ensure that whenever those attributes change internally or from sysfs,
that a netlink notification is sent out to listeners.

It also make some adjustment in bridge sysfs so that we can implement this
easily.

I've done some tests on this patchset, like:
[br_sysfs]
  1. change all the attribute values of br or brif:
  $ echo $value > /sys/class/net/br0/bridge/{*}
  $ echo $value > /sys/class/net/br0/brif/eth1/{*}

  2. meanwhile, on another terminal to observe the msg:
  $ bridge monitor

[br_ioctl]
  1. in bridge-utils package, do some changes in br_set, let brctl command
  use ioctl to set attribute:
         if ((ret = set_sysfs(path, value)) < 0) { -->
         if (1) {

  $ brctl set*

  2. meanwhile, on another terminal to observe the msg:
  $ bridge monitor

This test covers all the attributes that brctl and sysfs support to set.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-13 22:42:33 -04:00
Xin Long
bf871ad792 bridge: a netlink notification should be sent when those attributes are changed by ioctl
Now when we change the attributes of bridge or br_port by netlink,
a relevant netlink notification will be sent, but if we change them
by ioctl or sysfs, no notification will be sent.

We should ensure that whenever those attributes change internally or from
sysfs/ioctl, that a netlink notification is sent out to listeners.

Also, NetworkManager will use this in the future to listen for out-of-band
bridge master attribute updates and incorporate them into the runtime
configuration.

This patch is used for ioctl.

Signed-off-by: Xin Long <lucien.xin@gmail.com>
Reviewed-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-13 22:42:33 -04:00
Xin Long
bdaf0d5d98 bridge: a netlink notification should be sent when those attributes are changed by br_sysfs_if
Now when we change the attributes of bridge or br_port by netlink,
a relevant netlink notification will be sent, but if we change them
by ioctl or sysfs, no notification will be sent.

We should ensure that whenever those attributes change internally or from
sysfs/ioctl, that a netlink notification is sent out to listeners.

Also, NetworkManager will use this in the future to listen for out-of-band
bridge master attribute updates and incorporate them into the runtime
configuration.

This patch is used for br_sysfs_if, and we also move br_ifinfo_notify out
of store_flag.

Signed-off-by: Xin Long <lucien.xin@gmail.com>
Reviewed-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-13 22:42:33 -04:00
Xin Long
047831a9b9 bridge: a netlink notification should be sent when those attributes are changed by br_sysfs_br
Now when we change the attributes of bridge or br_port by netlink,
a relevant netlink notification will be sent, but if we change them
by ioctl or sysfs, no notification will be sent.

We should ensure that whenever those attributes change internally or from
sysfs/ioctl, that a netlink notification is sent out to listeners.

Also, NetworkManager will use this in the future to listen for out-of-band
bridge master attribute updates and incorporate them into the runtime
configuration.

This patch is used for br_sysfs_br. and we also need to remove some
rtnl_trylock in old functions so that we can call it in a common one.

For group_addr_store, we cannot make it use store_bridge_parm, because
it's not a string-to-long convert, we will add notification on it
individually.

Signed-off-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-13 22:42:33 -04:00
Xin Long
4436156b6f bridge: simplify the stp_state_store by calling store_bridge_parm
There are some repetitive codes in stp_state_store, we can remove
them by calling store_bridge_parm.

Signed-off-by: Xin Long <lucien.xin@gmail.com>
Reviewed-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-13 22:42:32 -04:00
Xin Long
347db6b49e bridge: simplify the forward_delay_store by calling store_bridge_parm
There are some repetitive codes in forward_delay_store, we can remove
them by calling store_bridge_parm.

Signed-off-by: Xin Long <lucien.xin@gmail.com>
Reviewed-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-13 22:42:32 -04:00
Xin Long
14f31bb39f bridge: simplify the flush_store by calling store_bridge_parm
There are some repetitive codes in flush_store, we can remove
them by calling store_bridge_parm, also, it would send rtnl notification
after we add it in store_bridge_parm in the following patches.

Signed-off-by: Xin Long <lucien.xin@gmail.com>
Reviewed-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-13 22:42:32 -04:00
Denys Vlasenko
f9a7cbbf18 net: force inlining of netif_tx_start/stop_queue, sock_hold, __sock_put
Sometimes gcc mysteriously doesn't inline
very small functions we expect to be inlined. See
    https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66122
Arguably, gcc should do better, but gcc people aren't willing
to invest time into it, asking to use __always_inline instead.

With this .config:
http://busybox.net/~vda/kernel_config_OPTIMIZE_INLINING_and_Os,
the following functions get deinlined many times.

netif_tx_stop_queue: 207 copies, 590 calls:
	55                      push   %rbp
	48 89 e5                mov    %rsp,%rbp
	f0 80 8f e0 01 00 00 01 lock orb $0x1,0x1e0(%rdi)
	5d                      pop    %rbp
	c3                      retq

netif_tx_start_queue: 47 copies, 111 calls
	55                      push   %rbp
	48 89 e5                mov    %rsp,%rbp
	f0 80 a7 e0 01 00 00 fe lock andb $0xfe,0x1e0(%rdi)
	5d                      pop    %rbp
	c3                      retq

sock_hold: 39 copies, 124 calls
	55                      push   %rbp
	48 89 e5                mov    %rsp,%rbp
	f0 ff 87 80 00 00 00    lock incl 0x80(%rdi)
	5d                      pop    %rbp
	c3                      retq

__sock_put: 6 copies, 13 calls
	55                      push   %rbp
	48 89 e5                mov    %rsp,%rbp
	f0 ff 8f 80 00 00 00    lock decl 0x80(%rdi)
	5d                      pop    %rbp
	c3                      retq

This patch fixes this via s/inline/__always_inline/.

Code size decrease after the patch is ~2.5k:

    text      data      bss       dec     hex filename
56719876  56364551 36196352 149280779 8e5d80b vmlinux_before
56717440  56364551 36196352 149278343 8e5ce87 vmlinux

Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
CC: David S. Miller <davem@davemloft.net>
CC: linux-kernel@vger.kernel.org
CC: netdev@vger.kernel.org
CC: netfilter-devel@vger.kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-13 22:40:54 -04:00
Masanari Iida
bf91795e4a Doc: networking: Fix typo in dsa
This patch fix typos in Documentation/networking/dsa.

Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-13 22:38:56 -04:00
Daniel Borkmann
47e27d5e92 ipv6, token: allow for clearing the current device token
The original tokenized iid support implemented via f53adae4ea ("net: ipv6:
add tokenized interface identifier support") didn't allow for clearing a
device token as it was intended that this addressing mode was the only one
active for globally scoped IPv6 addresses. Later we relaxed that restriction
via 617fe29d45 ("net: ipv6: only invalidate previously tokenized addresses"),
and we should also allow for clearing tokens as there's no good reason why
it shouldn't be allowed.

Fixes: 617fe29d45 ("net: ipv6: only invalidate previously tokenized addresses")
Reported-by: Robin H. Johnson <robbat2@gentoo.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Cc: Hannes Frederic Sowa <hannes@stressinduktion.org>
Acked-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-13 22:38:14 -04:00
Hannes Frederic Sowa
fafc4e1ea1 sock: tigthen lockdep checks for sock_owned_by_user
sock_owned_by_user should not be used without socket lock held. It seems
to be a common practice to check .owned before lock reclassification, so
provide a little help to abstract this check away.

Cc: linux-cifs@vger.kernel.org
Cc: linux-bluetooth@vger.kernel.org
Cc: linux-nfs@vger.kernel.org
Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-13 22:37:20 -04:00
Alexandre TORGUE
18b46810eb net: ethernet: stmmac: GMAC4.xx: Fix TX descriptor preparation
On GMAC4.xx each descriptor contains 2 buffers of 16KB (each).
Initially, those 2 buffers was filled in dwmac4_rd_prepare_tx_desc but
it is actually not needed. Indeed, stmmac driver supports frame up to
9000 bytes (jumbo). So only one buffer is needed.

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Alexandre TORGUE <alexandre.torgue@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-13 22:35:17 -04:00
David S. Miller
fbf405e80c Merge branch 'udp-hdrs-fixes'
Willem de Bruijn says:

====================
fix two more udp pull header issues

Follow up patches to the fixes to RxRPC and SunRPC. A scan of the
code showed two other interfaces that expect UDP packets to have
a udphdr when queued: read packet length with ioctl SIOCINQ and
receive payload checksum with socket option IP_CHECKSUM.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-13 22:24:52 -04:00
Willem de Bruijn
31c2e4926f udp: do not expect udp headers in recv cmsg IP_CMSG_CHECKSUM
On udp sockets, recv cmsg IP_CMSG_CHECKSUM returns a checksum over
the packet payload. Since commit e6afc8ace6 pulled the headers,
taking skb->data as the start of transport header is incorrect. Use
the transport header pointer.

Also, when peeking at an offset from the start of the packet, only
return a checksum from the start of the peeked data. Note that the
cmsg does not subtract a tail checkum when reading truncated data.

Fixes: e6afc8ace6 ("udp: remove headers from UDP packets before queueing")

Signed-off-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-13 22:24:52 -04:00
Willem de Bruijn
9f9a45beaa udp: do not expect udp headers on ioctl SIOCINQ
On udp sockets, ioctl SIOCINQ returns the payload size of the first
packet. Since commit e6afc8ace6 pulled the headers, the result is
incorrect when subtracting header length. Remove that operation.

Fixes: e6afc8ace6 ("udp: remove headers from UDP packets before queueing")

Signed-off-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-13 22:24:52 -04:00
David S. Miller
99717bdfdb Merge branch 'dsa-refactoring-set-1'
Andrew Lunn says:

====================
DSA refactoring: set 1

There has been a long running effort to refractor DSA probing to make
the switches true linux devices. Here are a small collection of
patches moving in this direction. Most have been seen before.

We take a little step forward by passing the dsa device point to the
driver, thus allowing it to perform resource allocations using the
normal mechanisms. This device structure will later be replaced by the
devices own device structure.

Future patches will add a true driver probe function, so we rename the
current probe function, cleaning up the namespace.

phys_port_mask continually confuses me, thinking it is about PHYs. But
it is actually about ports enabled to the outside world. So rename it to
enabled_port_mask.

Lots more patches yet to follow, this is just doing some ground work.

v2:
  enabled_port_mask instread of user_port_masks
  Added Tested-by's and Reviewed-by.
====================

Tested-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-13 18:15:24 -04:00
Andrew Lunn
c156913b5d dsa: mv88e6xxx: Use bus in mv88e6xxx_lookup_name()
mv88e6xxx_lookup_name() returns the model name of a switch at a given
address on an MII bus. Using mii_bus to identify the bus rather than
the host device is more logical, so change the parameter.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Tested-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Reviewed-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-13 18:15:23 -04:00
Andrew Lunn
74c3e2a54b dsa: Rename phys_port_mask to enabled_port_mask
The phys in phys_port_mask suggests this mask is about PHYs. In fact,
it means physical ports. Rename to enabled_port_mask, indicating
external enabled ports of the switch, which is hopefully less
confusing.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Tested-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-13 18:15:23 -04:00
Andrew Lunn
e49bad3196 net: dsa: Rename DSA probe function.
Rename the function called from the DSA to perform a probe for the
switch. This makes the normal _probe() name available for a standard
Linux device driver probe function.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Tested-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-13 18:15:23 -04:00
Andrew Lunn
a77d43f1e9 net: dsa: Keep the mii bus and address in the private structure
Rather than looking up the mii bus and address every time, do it once
at probe, and keep it in the private structure. Centralise this probe
code in mv88e6xxx.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Tested-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-13 18:15:23 -04:00
Andrew Lunn
5feebd0a8a net: dsa: Remove allocation of driver private memory
The drivers now allocate their own memory for private usage. Remove
the allocation from the core code.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Tested-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-13 18:15:23 -04:00
Andrew Lunn
7543a6d535 net: dsa: Have the switch driver allocate there own private memory
Now the switch devices have a dev pointer, make use of it for allocating
the drivers private data structures using a devm_kzalloc().

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Tested-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-13 18:15:23 -04:00
Andrew Lunn
bbb8d79399 net: dsa: Pass the dsa device to the switch drivers
By passing a device structure to the switch devices, it allows them
to use devm_* methods for resource management.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Tested-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-13 18:15:22 -04:00
David S. Miller
71bbe25d01 To synchronize with Kalle, here's just a big change that affects
all drivers - removing the duplicated enum ieee80211_band and
 replacing it by enum nl80211_band. On top of that, just a small
 documentation update.
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Merge tag 'mac80211-next-for-davem-2016-04-13' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next

Johannes Berg says:

====================
To synchronize with Kalle, here's just a big change that affects
all drivers - removing the duplicated enum ieee80211_band and
replacing it by enum nl80211_band. On top of that, just a small
documentation update.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-13 17:58:51 -04:00
Jon Paul Maloy
7d45a04cbc tipc: remove remnants of old broadcast code
We remove a couple of leftover fields in struct tipc_bearer. Those
were used by the old broadcast implementation, and are not needed
any longer. There is no functional changes in this commit.

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>
2016-04-13 17:49:11 -04:00
David S. Miller
b30d27f5bb Merge branch 'mediatek-stress-test-fixes'
John Crispin says:

====================
net: mediatek: make the driver pass stress tests

While testing the driver we managed to get the TX path to stall and fail
to recover. When dual MAC support was added to the driver, the whole queue
stop/wake code was not properly adapted. There was also a regression in the
locking of the xmit function. The fact that watchdog_timeo was not set and
that the tx_timeout code failed to properly reset the dma, irq and queue
just made the mess complete.

This series make the driver pass stress testing. With this series applied
the testbed has been running for several days and still has not locked up.
We have a second setup that has a small hack patch applied to randomly stop
irqs and/or one of the queues and successfully manages to recover from these
simulated tx stalls.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-12 22:41:33 -04:00
John Crispin
369f04531f net: mediatek: do not set the QID field in the TX DMA descriptors
The QID field gets set to the mac id. This made the DMA linked list queue
the traffic of each MAC on a different internal queue. However during long
term testing we found that this will cause traffic stalls as the multi
queue setup requires a more complete initialisation which is not part of
the upstream driver yet.

This patch removes the code setting the QID field, resulting in all
traffic ending up in queue 0 which works without any special setup.

Signed-off-by: John Crispin <blogic@openwrt.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-12 22:41:33 -04:00
John Crispin
7c78b4ad9b net: mediatek: move the pending_work struct to the device generic struct
The worker always touches both netdevs. It is ethernet core and not MAC
specific. We only need one worker, which belongs into the ethernets core
struct.

Signed-off-by: John Crispin <blogic@openwrt.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-12 22:41:33 -04:00
John Crispin
e7d425dcea net: mediatek: fix mtk_pending_work
The driver supports 2 MACs. Both run on the same DMA ring. If we hit a TX
timeout we need to stop both netdevs before restarting them again. If we
don't do this, mtk_stop() wont shutdown DMA and the consecutive call to
mtk_open() wont restart DMA and enable IRQs.

Signed-off-by: John Crispin <blogic@openwrt.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-12 22:41:32 -04:00
John Crispin
34c2e4c9e9 net: mediatek: fix TX locking
Inside the TX path there is a lock inside the tx_map function. This is
however too late. The patch moves the lock to the start of the xmit
function right before the free count check of the DMA ring happens.
If we do not do this, the code becomes racy leading to TX stalls and
dropped packets. This happens as there are 2 netdevs running on the
same physical DMA ring.

Signed-off-by: John Crispin <blogic@openwrt.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-12 22:41:32 -04:00
John Crispin
13c822f6d4 net: mediatek: fix stop and wakeup of queue
The driver supports 2 MACs. Both run on the same DMA ring. If we go
above/below the TX rings threshold value, we always need to wake/stop
the queue of both devices. Not doing to can cause TX stalls and packet
drops on one of the devices.

Signed-off-by: John Crispin <blogic@openwrt.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-12 22:41:32 -04:00
John Crispin
13439eec7a net: mediatek: remove superfluous reset call
HW reset is triggered in the mtk_hw_init() function. There is no need to
also reset the core during probe.

Signed-off-by: John Crispin <blogic@openwrt.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-12 22:41:32 -04:00