Commit Graph

663146 Commits

Author SHA1 Message Date
Jisheng Zhang
d6956ac87b net: mvneta: set rx mode during resume if interface is running
I found a bug by:

0. boot and start dhcp client
1. echo mem > /sys/power/state
2. resume back immediately
3. don't touch dhcp client to renew the lease
4. ping the gateway. No acks

Usually, after step2, the DHCP lease isn't expired, so in theory we
should resume all back. But in fact, it doesn't. It turns out
the rx mode isn't resumed correctly. This patch fixes it by adding
mvneta_set_rx_mode(dev) in the resume hook if interface is running.

Signed-off-by: Jisheng Zhang <jszhang@marvell.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-29 14:08:57 -07:00
Jisheng Zhang
a38d20d791 net: mvneta: add RGMII_RXID and RGMII_TXID support
RGMII_RXID and RGMII_TX_ID share the same GMAC CTRL setting as RGMII
or RGMII_ID.

Signed-off-by: Jisheng Zhang <jszhang@marvell.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-29 14:08:16 -07:00
Philippe Reynes
56607b987b net: veth: use new api ethtool_{get|set}_link_ksettings
The ethtool api {get|set}_settings is deprecated.
We move this driver to new api {get|set}_link_ksettings.

Signed-off-by: Philippe Reynes <tremyfr@gmail.com>
Reviewed-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-29 14:07:22 -07:00
David S. Miller
6c2257062e mlx5e-pedit 2017-03-28
Or Gerlitz says:
 
 This series adds support for offloading modifications of packet headers using
 ConnectX-5 HW header re-write as an action applied during packet steering.
 
 The offloaded SW mechanism is TC's pedit action. The offloading is
 supported for E-Switch steering of VF traffic in the SRIOV
 switchdev mode and for NIC (non eswitch) RX.
 
 One use-case for this offload on virtual networks, is when the hypervisor
 implements flow based router such as Open-Stack's DVR, where L2 headers
 of guest packets re-written with routers' MAC addresses and the IP TTL
 is decremented.
 
 Another use case (which can be applied in parallel with routing) is
 stateless NAT where guest L3/L4 headers are re-written.
 
 The series is built as follows: the 1st six patches are preperations which
 don't yet add new functionality, patches 7-8 add the FW APIs (data-structures
 and commands) for header re-write, and patch nine allows offloading driver
 to access pedit keys.
 
 The 10th patch is somehow the core of the series, where we translate from
 the pedit way to represent set of header modification elements to the FW
 API for that same matter.
 
 Once a set of HW modification is established, we register it with the FW
 and get a modify header ID. When this ID is used with an action during
 packet steering, the HW applies the header modification on the packet.
 
 Patches 11 and 12 implement the above logic as an offload for pedit action
 for the NIC and E-Switch use-cases.
 
 I'd like to thanks Elijah Shakkour <elijahs@mellanox.com> for implementing
 and helping me testing this functionality on HW simulator, before it could
 be done with FW.
 
 - Or.
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Merge tag 'mlx5e-pedit' of git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux

Or Gerlitz says:

====================
mlx5e-pedit 2017-03-28

This series adds support for offloading modifications of packet headers using
ConnectX-5 HW header re-write as an action applied during packet steering.

The offloaded SW mechanism is TC's pedit action. The offloading is
supported for E-Switch steering of VF traffic in the SRIOV
switchdev mode and for NIC (non eswitch) RX.

One use-case for this offload on virtual networks, is when the hypervisor
implements flow based router such as Open-Stack's DVR, where L2 headers
of guest packets re-written with routers' MAC addresses and the IP TTL
is decremented.

Another use case (which can be applied in parallel with routing) is
stateless NAT where guest L3/L4 headers are re-written.

The series is built as follows: the 1st six patches are preperations which
don't yet add new functionality, patches 7-8 add the FW APIs (data-structures
and commands) for header re-write, and patch nine allows offloading driver
to access pedit keys.

The 10th patch is somehow the core of the series, where we translate from
the pedit way to represent set of header modification elements to the FW
API for that same matter.

Once a set of HW modification is established, we register it with the FW
and get a modify header ID. When this ID is used with an action during
packet steering, the HW applies the header modification on the packet.

Patches 11 and 12 implement the above logic as an offload for pedit action
for the NIC and E-Switch use-cases.

I'd like to thanks Elijah Shakkour <elijahs@mellanox.com> for implementing
and helping me testing this functionality on HW simulator, before it could
be done with FW.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-29 11:24:21 -07:00
David Ahern
e944e97afc net: mpls: Update lfib_nlmsg_size to skip deleted nexthops
A recent commit skips nexthops in a route if the device has been
deleted. Update lfib_nlmsg_size accordingly.

Reported-by: Roopa Prabhu <roopa@cumulusnetworks.com>
Signed-off-by: David Ahern <dsa@cumulusnetworks.com>
Acked-by: Roopa Prabhu <roopa@cumulusnetworks.com>
Acked-by: Robert Shearman <rshearma@brocade.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-29 10:42:38 -07:00
Florian Fainelli
d0281a56b0 net: phy: Allow building mdio-boardinfo into the kernel
mdio-boardinfo contains code that is helpful for platforms to register
specific MDIO bus devices independent of how CONFIG_MDIO_DEVICE or
CONFIG_PHYLIB will be selected (modular or built-in). In order to make
that possible, let's do the following:

- descend into drivers/net/phy/ unconditionally

- make mdiobus_setup_mdiodev_from_board_info() take a callback argument
  which allows us not to expose the internal MDIO board info list and
  mutex, yet maintain the logic within the same file

- relocate the code that creates a MDIO device into
  drivers/net/phy/mdio_bus.c

- build mdio-boardinfo.o into the kernel as soon as MDIO_DEVICE is
  defined (y or m)

Fixes: 90eff9096c ("net: phy: Allow splitting MDIO bus/device support from PHYs")
Fixes: 648ea01340 ("net: phy: Allow pre-declaration of MDIO devices")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Tested-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-29 10:32:32 -07:00
David S. Miller
2cebaecb04 Merge branch 'dsa-devlink'
Andrew Lunn says:

====================
break include loop and dsa devlink support

These two patches add very basic support for devlink to DSA, in
preparation for playing with dpipe.

The first patch is needed to break an include loop between
netdevice.h, dsa.h and devlink.h. We need to remove dsa.h from
netdevice.h. As a result, some files fail to compile, because they
require includes pulled in via dsa.h. So this patch adds a number of
includes in various places. The majority is within the network
subsystem, but cifs also needs a few fixes.

0-day has been chewing on this for over a day now, and not found any
breakage. But Arnd's randconfig might uncover something.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-28 22:46:05 -07:00
Andrew Lunn
96567d5dac net: dsa: dsa2: Add basic support of devlink
Register the switch and its ports with devlink.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Tested-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-28 22:46:04 -07:00
Andrew Lunn
c6e970a04b net: break include loop netdevice.h, dsa.h, devlink.h
There is an include loop between netdevice.h, dsa.h, devlink.h because
of NETDEV_ALIGN, making it impossible to use devlink structures in
dsa.h.

Break this loop by taking dsa.h out of netdevice.h, add a forward
declaration of dsa_switch_tree and netdev_set_default_ethtool_ops()
function, which is what netdevice.h requires.

No longer having dsa.h in netdevice.h means the includes in dsa.h no
longer get included. This breaks a few other files which depend on
these includes. Add these directly in the affected file.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-28 22:46:04 -07:00
David S. Miller
0e42c72195 Merge branch 'netconf-delnetconf'
David Ahern says:

====================
netconf: Add support for RTM_DELNETCONF

netconf notifications are sent as devices register but not when they
are deleted leaving userspace caches out of sync. Add support for
RTM_DELNETCONF to ipv4, ipv6 and mpls.

MPLS is missing RTM_NEWNETCONF as devices are created, so add it as well.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-28 22:32:43 -07:00
David Ahern
1182e4d0b4 net: mpls: Send netconf messages on device register and unregister
Send netconf notifications for MPLS when the device registers and
unregisters.

Signed-off-by: David Ahern <dsa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-28 22:32:43 -07:00
David Ahern
823566aee0 net:mpls: Refactor mpls_netconf_notify_devconf to take event
Refactor mpls_netconf_notify_devconf to take the event as an input arg.

Signed-off-by: David Ahern <dsa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-28 22:32:43 -07:00
David Ahern
2345217026 net: ipv6: Add support for RTM_DELNETCONF
Send RTM_DELNETCONF notifications when a device is deleted. The message only
needs the device index, so modify inet6_netconf_fill_devconf to skip devconf
references if it is NULL.

Allows a userspace cache to remove entries as devices are deleted.

Signed-off-by: David Ahern <dsa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-28 22:32:42 -07:00
David Ahern
85b3daada4 net: ipv6: Refactor inet6_netconf_notify_devconf to take event
Refactor inet6_netconf_notify_devconf to take the event as an input arg.

Signed-off-by: David Ahern <dsa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-28 22:32:42 -07:00
David Ahern
b5c9641d3d net: devinet: Add support for RTM_DELNETCONF
Send RTM_DELNETCONF notifications when a device is deleted. The message only
needs the device index, so modify inet_netconf_fill_devconf to skip devconf
references if it is NULL.

Allows a userspace cache to remove entries as devices are deleted.

Signed-off-by: David Ahern <dsa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-28 22:32:42 -07:00
David Ahern
3b0228656d net: devinet: Refactor inet_netconf_notify_devconf to take event
Refactor inet_netconf_notify_devconf to take the event as an input arg.

Signed-off-by: David Ahern <dsa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-28 22:32:42 -07:00
David Ahern
983701eb06 rtnetlink: Add RTM_DELNETCONF
Signed-off-by: David Ahern <dsa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-28 22:32:42 -07:00
Prasad Kanneganti
50c0add534 liquidio: refactor interrupt moderation code
Refactor interrupt moderation code for flexibility because parameters are
different for 10G and 25G cards.  Currently parameters (for 10G only) come
from macros compiled-in to the PF and VF drivers; fix it so that parameters
suitable for the card (10G or 25G) come from the NIC firmware via response
to a command.

Also bump up driver version to 1.5.1 to match newer NIC firmware version.

Signed-off-by: Prasad Kanneganti <prasad.kanneganti@cavium.com>
Signed-off-by: Felix Manlunas <felix.manlunas@cavium.com>
Signed-off-by: Derek Chickles <derek.chickles@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-28 22:22:03 -07:00
Vivien Didelot
4333d619f9 net: dsa: fix copyright holder
I do not hold the copyright of the DSA core and drivers source files,
since these changes have been written as an initiative of my day job.
Fix this.

Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-28 22:04:51 -07:00
Vivien Didelot
64014fe67b net: dsa: mv88e6xxx: unconditionally set ATU trunk
Set the trunk member of the mv88e6xxx_atu_entry structure regardless its
value, so that uninitialized structures gets the correct boolean value.

Note that no mainline code is affected by the current behavior.

Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.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>
2017-03-28 22:04:51 -07:00
Vlad Yasevich
382ed72480 ipv6: add support for NETDEV_RESEND_IGMP event
This patch adds support for NETDEV_RESEND_IGMP event similar
to how it works for IPv4.

Signed-off-by: Vladislav Yasevich <vyasevic@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-28 22:02:21 -07:00
David S. Miller
25501837d8 Merge branch 'dsa-mv88e6xxx-fix-chip-definitions'
Vivien Didelot says:

====================
net: dsa: fix chip definitions

The definitions of some of the mv88e6xxx_ops and mv88e6xxx_info
structures are misordered and erroneous for 88E6191 and 88E6391.

This patch series cleans that up.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-28 21:52:53 -07:00
Vivien Didelot
63709570cd net: dsa: mv88e6xxx: remove 88E6391 ops
We don't support 88E6391 anywhere in the code, so remove the unused
mv88e6391_ops structure.

Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-28 21:52:52 -07:00
Vivien Didelot
2cf4cefb69 net: dsa: mv88e6xxx: fix 88E6191 ops
The mv88e6xxx_info structure for the 88E6191 chip was pointing the
mv88e6391_ops definition instead of mv88e6191_ops. Fix this.

Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-28 21:52:52 -07:00
Vivien Didelot
16e329aea9 net: dsa: mv88e6xxx: reorder 88E6341 definitions
The related mv88e6xxx_ops structure was misplaced. Reorder it correctly
to fix this.

Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-28 21:52:52 -07:00
Vivien Didelot
990e27b033 net: dsa: mv88e6xxx: reorder 88E6141 definitions
The related mv88e6xxx_ops and mv88e6xxx_info structure were misplaced.
Reorder them correctly to fix this.

Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-28 21:52:52 -07:00
David S. Miller
c552a50e5c Merge branch 'qed-load-unload-mfw'
Yuval Mintz says:

====================
qed: load/unload mfw series

This series correct the unload flow and greatly enhances its
initialization flow in regard to interactions between driver
and management firmware.

Patch #1 makes sure unloading is done under management-firmware's
'criticial section' protection.

Patches #2 - #4 move driver into using a newer scheme for loading
in regard to the MFW; This newer scheme would help cleaning the device
in case a previous instance has dirtied it [preboot, PDA, etc.].

Patches #5 - #6 let driver inform management-firmware on number of
resources which are dependent on the non-management firmware used.
Patch #7 then uses a new resource [BDQ] instead of some set value.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-28 18:05:24 -07:00
Mintz, Yuval
d0d40a73f1 qed: Use BDQ resource for storage protocols
Until now, qed used some port-defined value as BDQ index for both iSCSI
and FCoE.

As management firmware now treats BDQ as a resource and tells each PF
its BDQ-range, start using a valure from that range instead.

Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-28 18:05:24 -07:00
Tomer Tayar
9c8517c40f qed: Utilize resource-lock based scheme
Management firmware is used as an arbiter between the various PFs
in matters of resources, but some of the resources that need to
be divided are dependent on the non-management firmware used,
so management firmware first needs to be told how many resources
there are before trying to divide them.

As part of the initialization sequence, driver would first inform
the management firmware of the available resources under
a dedicated resource lock, and afterwards request for various
resources which might be based on the previous set values.

Signed-off-by: Tomer Tayar <Tomer.Tayar@cavium.com>
Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-28 18:05:24 -07:00
Tomer Tayar
95691c9cea qed: Support management-based resource locking
Global locking can't properly be used to synchronize between different
PFs in all scenarios, as those instances might reside in different
logical partitions [e.g., when a PF is assigned via PDA to some VM].

The management firmware provides a generic infrastructure for
device locks. For each 'resource', it's guaranteed it could be acquired
by at most a single PF at any given time [or by management firmware].

This patch adds the necessary logic in qed for utilizing said
infrastructure, implementing lock/unlock internal APIs.

Signed-off-by: Tomer Tayar <Tomer.Tayar@cavium.com>
Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-28 18:05:23 -07:00
Mintz, Yuval
18a69e368b qed: Send pf-flr as part of initialization
During HW initialization, driver would set various registers to their
needed values - but it assumes all registers start at their reset-value,
so there's no need to re-configure a register's default value.

This assumption might be incorrect, e.g., in case of preboot driver
running and initializing the driver prior to our driver.

To overcome this, we now ask management firmware to initiate a PF-flr
early during the initialization sequence. That would return everything
in the PF's scope back to default and prevent previous configurations
from still being applied.

Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-28 18:05:23 -07:00
Tomer Tayar
5d24bcf189 qed: Move to new load request scheme
Management firmware is used as an arbiter between the various PFs
in regard to loading - it causes the various PFs to load/unload
sequentially and informs each of its appropriate rule in the init.

But the existing flow is too weak to handle some scenarios where
PFs aren't properly cleaned prior to loading.
The significant scenarios falling under this criteria:
  a. Preboot drivers in some environment can't properly unload.
  b. Unexpected driver replacement [kdump, PDA].

Modern management firmware supports a more intricate loading flow,
where the driver has the ability to overcome previous limitations.
This moves qed into using this newer scheme.

Notice new scheme is backward compatible, so new drivers would
still be able to load properly on top of older management firmwares
and vice versa.

Signed-off-by: Tomer Tayar <Tomer.Tayar@cavium.com>
Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-28 18:05:23 -07:00
Mintz, Yuval
c0c2d0b49e qed: hw_init() to receive parameter-struct
We'll soon need additional information, so start by changing
the infrastructure to receive the initializing variables
via a parameter struct.

Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-28 18:05:23 -07:00
Tomer Tayar
1226337ad9 qed: Correct HW stop flow
Management firmware is used as arbiter between different PFs
which are loading/unloading, but in order to use the synchronization
it offers the contending configurations need to be applied either
between their LOAD_REQ <-> LOAD_DONE or UNLOAD_REQ <-> UNLOAD_DONE
management firmware commands.

Existing HW stop flow utilizes 2 different functions: qed_hw_stop() and
qed_hw_reset() which don't abide this requirement; Most of the closure
is doing outside the scope of the unload request.

This patch removes qed_hw_reset() and places the relevant stop
functionality underneath the management firmware protection.

Signed-off-by: Tomer Tayar <Tomer.Tayar@cavium.com>
Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-28 18:05:23 -07:00
David S. Miller
30b38236e1 Merge branch 'tipc-subscription-refcount-simplifications'
Parthasarathy Bhuvaragan says:

====================
tipc: subscription refcount simplifications

The first patch makes the subscription refcount cleanup lockless and
the second updates the subscription refcount policy.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-28 18:03:33 -07:00
Ying Xue
7efea60dcf tipc: adjust the policy of holding subscription kref
When a new subscription object is inserted into name_seq->subscriptions
list, it's under name_seq->lock protection; when a subscription is
deleted from the list, it's also under the same lock protection;
similarly, when accessing a subscription by going through subscriptions
list, the entire process is also protected by the name_seq->lock.

Therefore, if subscription refcount is increased before it's inserted
into subscriptions list, and its refcount is decreased after it's
deleted from the list, it will be unnecessary to hold refcount at all
before accessing subscription object which is obtained by going through
subscriptions list under name_seq->lock protection.

Signed-off-by: Ying Xue <ying.xue@windriver.com>
Reviewed-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-28 18:03:33 -07:00
Ying Xue
139bb36f75 tipc: advance the time of deleting subscription from subscriber->subscrp_list
After a subscription object is created, it's inserted into its
subscriber subscrp_list list under subscriber lock protection,
similarly, before it's destroyed, it should be first removed from
its subscriber->subscrp_list. Since the subscription list is
accessed with subscriber lock, all the subscriptions are valid
during the lock duration. Hence in tipc_subscrb_subscrp_delete(), we
remove subscription get/put and the extra subscriber unlock/lock.

After this change, the subscriptions refcount cleanup is very simple
and does not access any lock.

Acked-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: Ying Xue <ying.xue@windriver.com>
Signed-off-by: Parthasarathy Bhuvaragan <parthasarathy.bhuvaragan@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-28 18:03:32 -07:00
Arnd Bergmann
589a1a2e63 stmmac: use netif_set_real_num_{rx,tx}_queues
A driver must not access the two fields directly but should instead use
the helper functions to set the values and keep a consistent internal
state:

ethernet/stmicro/stmmac/stmmac_main.c: In function 'stmmac_dvr_probe':
ethernet/stmicro/stmmac/stmmac_main.c:4083:8: error: 'struct net_device' has no member named 'real_num_rx_queues'; did you mean 'real_num_tx_queues'?

Fixes: a8f5102af2 ("net: stmmac: TX and RX queue priority configuration")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-28 18:00:34 -07:00
Bjorn Andersson
2b62425045 soc: qcom: smd-rpm: Add msm8996 compatibility
With the RPM driver transitioned to RPMSG we can reuse the SMD-RPM
driver ontop of GLINK for 8996, without any modifications.

Acked-by: Andy Gross <andy.gross@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-28 17:58:08 -07:00
Bjorn Andersson
395a48053a soc: qcom: smd: Remove standalone driver
Remove the standalone SMD implementation as we have transitioned the
client drivers to use the RPMSG based one.

Also remove all dependencies on QCOM_SMD from Kconfig files, in order to
keep them selectable in the absence of the removed symbol.

Acked-by: Andy Gross <andy.gross@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-28 17:58:07 -07:00
Bjorn Andersson
5052de8def soc: qcom: smd: Transition client drivers from smd to rpmsg
By moving these client drivers to use RPMSG instead of the direct SMD
API we can reuse them ontop of the newly added GLINK wire-protocol
support found in the 820 and 835 Qualcomm platforms.

As the new (RPMSG-based) and old SMD implementations are mutually
exclusive we have to change all client drivers in one commit, to make
sure we have a working system before and after this transition.

Acked-by: Andy Gross <andy.gross@linaro.org>
Acked-by: Kalle Valo <kvalo@codeaurora.org>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-28 17:58:07 -07:00
Roopa Prabhu
def499c929 vxlan: don't age NTF_EXT_LEARNED fdb entries
vxlan driver already implicitly supports installing
of external fdb entries with NTF_EXT_LEARNED. This
patch just makes sure these entries are not aged
by the vxlan driver. An external entity managing these
entries will age them out. This is consistent with
the use of NTF_EXT_LEARNED in the bridge driver.

Signed-off-by: Roopa Prabhu <roopa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-28 17:57:16 -07:00
David S. Miller
2a69ca7148 Merge branch 'net-dpipe'
Jiri Pirko says:

====================
Add support for pipeline debug (dpipe)

Arkadi says:

While doing the hardware offloading process much of the hardware
specifics cannot be presented. An example for such is the routing
LPM algorithm which differ in hardware implementation from the
kernel software implementation. The only information the user receives
is whether specific route is offloaded or not, but he cannot really
understand the underlying implementation nor get the specific statistics
related to that process.

Another example is ACL offload using TC which is commonly implemented
using TCAM memory. Currently there is no capability to gain visibility
into the TCAM structure and to debug suboptimal resource allocation.

This patchset introduces capability for exporting the ASICs pipeline
abstraction via devlink infrastructure, which should serve as an
complementary tool. This infrastructure allows the user to get visibility
into the ASIC by modeling it as a set of match/action tables.

The main objects defined:
Table - abstraction for a single pipeline stage. Contains the
        available match/actions and counter availability.
Entry - entry in a specific table with specific matches/actions
        values and dedicated counter.
Header/field - tuples which describes the tables behavior.

As an example one of the ASIC's L3 blocks will be modeled. The egress
rif (router interface) table is the final step in the L3 pipeline
processing which does match on the internal rif index which was
determined before by the routing logic. The erif table determines
whether to forward or drop the packet and updates the corresponding
rif L3 statistics.

To expose this internal resources a special metadata header will
be introduced that describes the internal information gathered by
the ASIC's pipeline and contains the following fields: rif_port_index,
forward and drop.

Some internal hardware resources have direct mapping to kernel
objects. For example the rif_port_index is mapped to the net-devices
ifindex. By providing this mapping the users gains visibility into
the offloading process.

Follow-up work will include exporting more L3 tables which will give
visibility into the routing process.

First stage is adding support for dpipe in devlink. Next add support
in spectrum driver. Finally implement egress router interface
(erif) table for spectrum ASIC as an example.

---
v1->v2: Please see individual patches
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-28 17:11:56 -07:00
Arkadi Sharshevsky
2ba5999f00 mlxsw: spectrum: Add Support for erif table entries access
Implement dpipe's table ops for erif table which provide:
1. Getting the entries in the table with the associate values.
	- match on "mlxsw_meta:erif_index"
	- action on "mlxsw_meta:forwared_out"
2. Synchronize the hardware in case of enabling/disabling counters which
   mean removing erif counters from all interfaces.

Signed-off-by: Arkadi Sharshevsky <arkadis@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-28 17:11:55 -07:00
Arkadi Sharshevsky
fd1b9d4192 mlxsw: spectrum_router: Add rif helper functions
Add rif helper function to access the rif index and rif devices ifindex.
This functions will be used by dpipe in order to dump the rif table.

Signed-off-by: Arkadi Sharshevsky <arkadis@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-28 17:11:55 -07:00
Arkadi Sharshevsky
e0c0afd8aa mlxsw: spectrum: Support for counters on router interfaces
Add support for counter allocation on router interfaces. The allocation
depends on the counter state of relevant table. In case the counting is
disabled or no counters left the counter index will be set as invalid.

Also a counter pool for router allocation is added.

Signed-off-by: Arakdi Sharshevsky <arkadis@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-28 17:11:55 -07:00
Arkadi Sharshevsky
ba73e97a63 mlxsw: reg: Add Router Interface Counter Register
The RICNT register retrieves per port performance counter. It will be
used to query the router interfaces statistics.

Signed-off-by: Arkadi Sharshevsky <arkadis@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-28 17:11:55 -07:00
Arkadi Sharshevsky
d54b70feb6 mlxsw: spectrum: Add definition for egress rif table
Add definition for egress router interface table. This table describes
the final part in the routing pipeline. This table matches the egress
interface index (rif index, which is set by the previous stages and
determine the out port) and makes the decision of forwarding the packet
towards the L2 logic or dropping it.

The metadata header is added to represent this internal information.
The rif index field is mapped logically to netdevice ifindex.

Signed-off-by: Arkadi Sharshevsky <arkadis@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-28 17:11:54 -07:00
Arkadi Sharshevsky
230ead0141 mlxsw: spectrum: Add placeholder for dpipe
Add placeholder for dpipe. Support for specific tables and headers will
be introduced in following patches. The headers are shared between all
mlxsw_sp instances.

Signed-off-by: Arkadi Sharshevsky <arkadis@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-28 17:11:54 -07:00
Arkadi Sharshevsky
0f630fcbe5 mlxsw: reg: Add counter fields to RITR register
Update RITR for counter support. This allows adding counters for
ASIC's router ports.

Signed-off-by: Arkadi Sharshevsky <arkadis@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-28 17:11:54 -07:00