Commit Graph

17649 Commits

Author SHA1 Message Date
Rick Farrington b229487b36 liquidio: remove/replace invalid code
Remove invalid call to dma_sync_single_for_cpu() because previous DMA
allocation was coherent--not streaming.  Remove code that references fields
in struct list_head; replace it with calls to list_empty() and
list_first_entry().  Also, add comment to clarify complicated if statement.

Signed-off-by: Rick Farrington <ricardo.farrington@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>
2017-03-16 20:15:20 -07:00
Steve Lin 2f771399a3 net: ethernet: bgmac: Allow MAC address to be specified in DTB
Allows the BCMA version of the bgmac driver to obtain MAC address
from the device tree.  If no MAC address is specified there, then
the previous behavior (obtaining MAC address from SPROM) is
used.

Signed-off-by: Steve Lin <steven.lin1@broadcom.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Acked-by: Jon Mason <jon.mason@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-16 11:57:26 -07:00
Christophe Leroy 01ac2994c0 net: ethernet: fs_enet: Remove useless includes
CONFIG_8xx is being deprecated. Since the includes dependent on
CONFIG_8xx are useless, just drop them.

Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-16 11:15:15 -07:00
Jane Li 9768b45ceb net: mvneta: support suspend and resume
Add basic support for handling suspend and resume.

Signed-off-by: Jane Li <jiel@marvell.com>
Reviewed-by: Jisheng Zhang <jszhang@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-16 10:20:38 -07:00
Ido Schimmel c7f6e6658b mlxsw: spectrum_router: Don't abort on l3mdev rules
Now that port netdevs can be enslaved to a VRF master we need to make
sure the device's routing tables won't be flushed upon the insertion of
a l3mdev rule.

Note that we assume the notified l3mdev rule is a simple rule as used by
the VRF master. We don't check for the presence of other selectors such
as 'iif' and 'oif'.

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>
2017-03-16 10:18:35 -07:00
Ido Schimmel 3d70e458be mlxsw: spectrum_router: Add support for VRFs on top of bridges
In a similar fashion to the previous patch, allow bridges and VLAN
devices on top of bridges to be enslaved to a VRF master device.

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>
2017-03-16 10:18:35 -07:00
Ido Schimmel 7179eb5acd mlxsw: spectrum_router: Add support for VRFs
Allow port netdevs, LAG and VLAN devices stacked on top of these to be
enslaved to a VRF master device.

Upon enslavement, create a router interface (RIF) for the enslaved
netdev and associate it with a virtual router (VR) based on the VRF's
table ID.

If a RIF already exists for the netdev (f.e., due to the existence of an
IP address), then it's deleted and a new one is created with the
appropriate VR binding.

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>
2017-03-16 10:18:35 -07:00
Ido Schimmel 9db032bb1e mlxsw: spectrum_router: Don't destroy RIF if L3 slave
We usually destroy the netdev's router interface (RIF) when the last IP
address is removed from it.

However, we shouldn't do that if it's enslaved to an L3 master device.

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>
2017-03-16 10:18:34 -07:00
Ido Schimmel 57837885e3 mlxsw: spectrum_router: Associate RIFs with correct VR
When a router interface (RIF) is created due to a netdev being enslaved
to a VRF master, then it should be associated with the appropriate
virtual router (VR) and not the default one.

If netdev is a VRF slave, lookup the VR based on the VRF's table ID.
Otherwise default to the MAIN table.

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>
2017-03-16 10:18:34 -07:00
Ido Schimmel 5d7bfd1419 ipv4: fib_rules: Dump FIB rules when registering FIB notifier
In commit c3852ef7f2 ("ipv4: fib: Replay events when registering FIB
notifier") we dumped the FIB tables and replayed the events to the
passed notification block.

However, we merely sent a RULE_ADD notification in case custom rules
were in use. As explained in previous patches, this approach won't work
anymore. Instead, we should notify the caller about all the FIB rules
and let it act accordingly.

Upon registration to the FIB notification chain, replay a RULE_ADD
notification for each programmed FIB rule, custom or not. The integrity
of the dump is ensured by the mechanism introduced in the above
mentioned commit.

Prevent regressions by making sure current listeners correctly sanitize
the notified rules.

Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Acked-by: David Ahern <dsa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-16 10:18:34 -07:00
Iyappan Subramanian 4902a92270 drivers: net: xgene: Add workaround for errata 10GE_8/ENET_11
This patch implements workaround for errata 10GE_8 and ENET_11:
"HW reports length error for valid 64 byte frames with len <46 bytes"
by recovering them from error.

Signed-off-by: Iyappan Subramanian <isubramanian@apm.com>
Signed-off-by: Quan Nguyen <qnguyen@apm.com>
Signed-off-by: Toan Le <toanle@apm.com>
Tested-by: Fushen Chen <fchen@apm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-15 21:52:52 -07:00
Quan Nguyen 7eac928c19 drivers: net: xgene: Add workaround for errata 10GE_1
This patch implements workaround for errata 10GE_1:
10Gb Ethernet port FIFO threshold default values are incorrect.

Signed-off-by: Quan Nguyen <qnguyen@apm.com>
Signed-off-by: Toan Le <toanle@apm.com>
Signed-off-by: Iyappan Subramanian <isubramanian@apm.com>
Tested-by: Fushen Chen <fchen@apm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-15 21:52:52 -07:00
Iyappan Subramanian 0a0400c309 drivers: net: xgene: Fix Rx checksum validation logic
This patch fixes Rx checksum validation logic and
adds NETIF_F_RXCSUM flag.

Signed-off-by: Iyappan Subramanian <isubramanian@apm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-15 21:52:52 -07:00
Quan Nguyen 11623fce0f drivers: net: xgene: Fix wrong logical operation
This patch fixes the wrong logical OR operation by changing it to
bit-wise OR operation.

Fixes: 3bb502f830 ("drivers: net: xgene: fix statistics counters race condition")
Signed-off-by: Iyappan Subramanian <isubramanian@apm.com>
Signed-off-by: Quan Nguyen <qnguyen@apm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-15 21:52:52 -07:00
Quan Nguyen e026e700d9 drivers: net: xgene: Fix hardware checksum setting
This patch fixes the hardware checksum settings by properly program
the classifier. Otherwise, packet may be received with checksum error
on X-Gene1 SoC.

Signed-off-by: Quan Nguyen <qnguyen@apm.com>
Signed-off-by: Iyappan Subramanian <isubramanian@apm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-15 21:52:51 -07:00
Amritha Nambiar 56f36acd21 mqprio: Modify mqprio to pass user parameters via ndo_setup_tc.
The configurable priority to traffic class mapping and the user specified
queue ranges are used to configure the traffic class, overriding the
hardware defaults when the 'hw' option is set to 0. However, when the 'hw'
option is non-zero, the hardware QOS defaults are used.

This patch makes it so that we can pass the data the user provided to
ndo_setup_tc. This allows us to pull in the queue configuration if the
user requested it as well as any additional hardware offload type
requested by using a value other than 1 for the hw value.

Finally it also provides a means for the device driver to return the level
supported for the offload type via the qopt->hw value. Previously we were
just always assuming the value to be 1, in the future values beyond just 1
may be supported.

Signed-off-by: Amritha Nambiar <amritha.nambiar@intel.com>
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-15 15:20:27 -07:00
Colin Ian King 5b7696499c netxen_nic: remove redundant check if retries is zero
At the end of the timeout loop, retries will always be zero so
the check for zero is redundant so remove it.  Also replace
printk with pr_err as recommended by checkpatch.

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-15 15:04:08 -07:00
Joao Pinto 7bac4e1ec3 net: stmmac: stmmac interrupt treatment prepared for multiple queues
This patch prepares the main ISR for multiple queues.

Signed-off-by: Joao Pinto <jpinto@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-15 14:44:33 -07:00
Joao Pinto 146617b88b net: stmmac: tso init prepared for multiple queues
This patch configures TSO for all available tx queues.

Signed-off-by: Joao Pinto <jpinto@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-15 14:44:33 -07:00
Joao Pinto 47f2a9ce52 net: stmmac: dma channel init prepared for multiple queues
This patch prepares the DMA initialization process for multiple queues.

Signed-off-by: Joao Pinto <jpinto@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-15 14:44:32 -07:00
Joao Pinto 89cc57c55c net: stmmac: prepare rx/tx set tail function for multiple queues
This patch prepares RX and TX set tail functions for multiple queues.

Signed-off-by: Joao Pinto <jpinto@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-15 14:44:32 -07:00
Joao Pinto 4854ab9966 net: stmmac: rx and tx ring length prepared for multiple queues
This patch prepares tx and rx ring length configuration for multiple queues.

Signed-off-by: Joao Pinto <jpinto@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-15 14:44:32 -07:00
Joao Pinto 3c55d4d08b net: stmmac: rx watchdog config prepared for multiple queues
This patch adds rx watchdog configuration for all queues.

Signed-off-by: Joao Pinto <jpinto@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-15 14:44:32 -07:00
Joao Pinto d62a107a4f net: stmmac: prepare dma interrupt treatment for multiple queues
This patch prepares DMA interrupts treatment for multiple queues.

Signed-off-by: Joao Pinto <jpinto@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-15 14:44:32 -07:00
Joao Pinto 4e59326229 net: stmmac: prepare stmmac_tx_err for multiple queues
This patch prepares stmmac_err for multiple queues.

Signed-off-by: Joao Pinto <jpinto@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-15 14:44:32 -07:00
Joao Pinto ae4f0d4683 net: stmmac: rx/tx dma start/stop prepared for multiple queues
This patch prepares the RX/TX DMA stop/start process for multiple queues.

Signed-off-by: Joao Pinto <jpinto@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-15 14:44:31 -07:00
Joao Pinto 4f513ecd2f net: stmmac: enable/disable dma irq prepared for multiple queues
This patch prepares the DMA IRQ enable/disable process for multiple queues.

Signed-off-by: Joao Pinto <jpinto@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-15 14:44:31 -07:00
Joao Pinto 6deee2221e net: stmmac: prepare dma op mode config for multiple queues
This patch prepares DMA Operation Mode configuration for multiple queues.
The work consisted on breaking the DMA operation Mode configuration function
into RX and TX scope and adapting its mechanism in stmmac_main.

Signed-off-by: Joao Pinto <jpinto@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-15 14:44:31 -07:00
David S. Miller e0304f58e8 Merge branch '40GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/next-queue
Jeff Kirsher says:

====================
40GbE Intel Wired LAN Driver Updates 2017-03-15

This series contains updates to i40e and i40evf only.

Aaron fixes an issue on x710 devices where simultaneous read accesses
were interfering with each other, so make sure all devices acquire the
NVM lock before reads on all devices.

Shannon adds Wake On LAN support feature for x722 devices and cleaned
up the opcodes so that they are in numerical order.

Mitch adds a client interface to the VF driver, in preparation for the
upcoming RDMA-capable hardware (and client driver).  Cleaned up the
client interface in the PF driver, since it was originally over
engineered to handle multiple clients on multiple netdevs, but that
did not happen and now there will be one client per driver, so apply
the "KISS" (Keep It Simple & Stupid) to the i40e client interface.
Bumped the number of MAC filters an untrusted VF can create.

Jake fixes an issue where a recent refactor of queue pairs accidentally
added all remaining vecotrs to the num_lan_msix which can adversely
affect performance.

Lihong fixes an ethtool issue with x722 devices where "-e" will error
out since its EEPROM has a scope limit at offset 0x5B9FFF, so set the
EEPROM length to the scope limit.  Also fixed an issue where RSS
offloading only worked on PF0.

Filip cleans up and clarifies code comment so there is no confusion
about MAC/VLAN filter initialization routine.

Alex adds support for DMA_ATTR_SKIP_CPU_SYNC and DMA_ATTR_WEAK_ORDERING,
which improves performance on architectures that implement either one.

Harshitha cleans up confusion on flags disabled due to hardware limitation
versus featured disabled by the user, so rename auto_disable_flags to
hw_disabled_flags to avoid the confusion.

v2: Merged patch #1 and #4 in first version to make patch #3 in this
    series based on feedback from David Miller.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-15 13:00:28 -07:00
David S. Miller 101c431492 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts:
	drivers/net/ethernet/broadcom/genet/bcmgenet.c
	net/core/sock.c

Conflicts were overlapping changes in bcmgenet and the
lockdep handling of sockets.

Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-15 11:59:10 -07:00
Harshitha Ramamurthy b77ac97593 i40e: rename auto_disable_flags to hw_disabled_flags
A previous commit introduced a field that tracks the features
that are disabled due to HW resource limitations as opposed
to the featured disabled by the user. This patch changes the
name of the field to make it more readable since it might get
confusing when looking at code containing both the flags
field and the auto_disable_features field together.

Change-ID: Idcc9888659698f6fe3ccff17c8c3f09b5026f708
Signed-off-by: Harshitha Ramamurthy <harshitha.ramamurthy@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2017-03-15 02:02:02 -07:00
Bimmy Pujari 15990832cd i40e/i40evf: Change version from 1.6.27 to 2.1.7
Signed-off-by: Bimmy Pujari <bimmy.pujari@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2017-03-15 02:01:27 -07:00
Mitch Williams 4dbc566139 i40e: Allow untrusted VFs to have more filters
Our original filter limit of 8 was based on behavior that we saw from
Linux VMs. Now we're running Other Operating Systems under KVM and we
see that they commonly use more MAC filters. Since it seems weird to
require people to enable trusted VFs just to boot their OS, bump the
number of filters allowed by default.

Change-ID: I76b2dcb2ad6017e39231ad3096c3fb6f065eef5e
Signed-off-by: Mitch Williams <mitch.a.williams@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2017-03-15 02:00:52 -07:00
Alexander Duyck 59605bc096 i40e/i40evf: Add support for mapping pages with DMA attributes
This patch adds support for DMA_ATTR_SKIP_CPU_SYNC and
DMA_ATTR_WEAK_ORDERING. By enabling both of these for the Rx path we
are able to see performance improvements on architectures that implement
either one due to the fact that page mapping and unmapping only has to
sync what is actually being used instead of the entire buffer. In addition
by enabling the weak ordering attribute enables a performance improvement
for architectures that can associate a memory ordering with a DMA buffer
such as Sparc.

Change-ID: If176824e8231c5b24b8a5d55b339a6026738fc75
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2017-03-15 02:00:14 -07:00
Filip Sadowski 3954b39102 i40e: Clarify steps in MAC/VLAN filters initialization routine
This patch clarifies the reason for removal of automatically
firmware-generated filter and explicit addition of filter which
accepts frames with any VLAN id.

Change-ID: Iabf180b6d61c4d8a36d3bcf8457c377a6f2aca0e
Signed-off-by: Filip Sadowski <filip.sadowski@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2017-03-15 01:59:35 -07:00
Lihong Yang 26f77e53cf i40e: fix RSS queues only operating on PF0
This patch fixes the issue that RSS offloading only works on PF0 by
using the direct register writing of the hash keys for the VFs instead
of using the admin queue command to do so.

Change-ID: Ia02cda7dbaa23def342e8786097a2c03db6f580b
Signed-off-by: Lihong Yang <lihong.yang@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2017-03-15 01:58:57 -07:00
Lihong Yang c271dd6c39 i40e: fix ethtool to get EEPROM data from X722 interface
Currently ethtool -e will error out with a X722 interface
as its EEPROM has a scope limit at offset 0x5B9FFF.
This patch fixes the issue by setting the EEPROM length to
the scope limit to avoid NVM read failure beyond that.

Change-ID: I0b7d4dd6c7f2a57cace438af5dffa0f44c229372
Signed-off-by: Lihong Yang <lihong.yang@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2017-03-15 01:58:21 -07:00
Jacob Keller c0cf70a6fc i40e: don't add more vectors to num_lan_msix than number of CPUs
This is a solution to avoid adding too many queues to num_lan_msix.
A recent refactor of queue pairs accidentally added all remaining
vectors to the num_lan_msix which can have adverse performance issues,
due to enabling more queues than the number of CPU cores.

This patch removes the old calculation, and replaces it with a simple
algorithm.

1) add queue pairs up to num_online_cpus(), but capped at half of total
   vectors
2) then add alternative features such as flow directory and similar
3) finally, add the remaining vectors back to queue pairs, but capped
   such that the total number of queue pairs does not exceed
   num_online_cpus().

Change-ID: I668abf67d5011a1248866daba8885f4ff00cb8d9
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: Harshitha Ramamurthy <harshitha.ramamurthy@intel.com>
Signed-off-by: Carolyn Wyborny <carolyn.wyborny@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2017-03-15 01:57:44 -07:00
Mitch Williams 0ef2d5afb1 i40e: KISS the client interface
(KISS is Keep It Simple, Stupid. Or is it?)

The client interface vastly overengineered for what it needs to do.
It was originally designed to support multiple clients on multiple
netdevs, possibly even with multiple drivers. None of this happened,
and now we know that there will only ever be one client for i40e
(i40iw) and one for i40evf (i40iwvf). So, time for some KISS. Since
i40e and i40evf are a Dynasty, we'll simplify this one to match the
VF interface.

First, be a Destroyer and remove all of the lists and locks required
to support multiple clients. Keep one static around to keep track of
one client, and track the client instances for each netdev in the
driver's pf (or adapter) struct. Now it's Almost Human.

Since we already know the client type is iWarp, get rid of any checks
for this. Same for VSI type - it's always going to be the same type,
so it's just a Parasite.

While we're at it, fix up some comments. This makes the function
headers actually match the functions.

These changes reduce code complexity, simplify maintenance,
squash some lurking timing bugs, and allow us to Rock and Roll All
Nite.

Change-ID: I1ea79948ad73b8685272451440a34507f9a9012e
Signed-off-by: Mitch Williams <mitch.a.williams@intel.com>
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2017-03-15 01:57:08 -07:00
Mitch Williams ed0e894de7 i40evf: add client interface
In preparation for upcoming RDMA-capable hardware, add a client
interface to the VF driver. This is a slightly-simplified version
of the PF client interface, with the names changed to protect the
innocent.

Due to the nature of the VF<->PF interactions, the client interface
sometimes needs to call back into itself to pass messages. Because
of this, we can't use the coarse-grained locking like the PF's
client interface uses. Instead, we handle all client interactions
in a separate thread so the watchdog can still run and process
virtual channel messages.

Signed-off-by: Mitch Williams <mitch.a.williams@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: Anjali Singhai Jain <anjali.singhai@intel.com>
Signed-off-by: Avinash Dayanand <avinash.dayanand@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2017-03-15 01:31:38 -07:00
Linus Torvalds ae50dfd616 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Pull networking fixes from David Miller:

 1) Ensure that mtu is at least IPV6_MIN_MTU in ipv6 VTI tunnel driver,
    from Steffen Klassert.

 2) Fix crashes when user tries to get_next_key on an LPM bpf map, from
    Alexei Starovoitov.

 3) Fix detection of VLAN fitlering feature for bnx2x VF devices, from
    Michal Schmidt.

 4) We can get a divide by zero when TCP socket are morphed into
    listening state, fix from Eric Dumazet.

 5) Fix socket refcounting bugs in skb_complete_wifi_ack() and
    skb_complete_tx_timestamp(). From Eric Dumazet.

 6) Use after free in dccp_feat_activate_values(), also from Eric
    Dumazet.

 7) Like bonding team needs to use ETH_MAX_MTU as netdev->max_mtu, from
    Jarod Wilson.

 8) Fix use after free in vrf_xmit(), from David Ahern.

 9) Don't do UDP Fragmentation Offload on IPComp ipsec packets, from
    Alexey Kodanev.

10) Properly check napi_complete_done() return value in order to decide
    whether to re-enable IRQs or not in amd-xgbe driver, from Thomas
    Lendacky.

11) Fix double free of hwmon device in marvell phy driver, from Andrew
    Lunn.

12) Don't crash on malformed netlink attributes in act_connmark, from
    Etienne Noss.

13) Don't remove routes with a higher metric in ipv6 ECMP route replace,
    from Sabrina Dubroca.

14) Don't write into a cloned SKB in ipv6 fragmentation handling, from
    Florian Westphal.

15) Fix routing redirect races in dccp and tcp, basically the ICMP
    handler can't modify the socket's cached route in it's locked by the
    user at this moment. From Jon Maxwell.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (108 commits)
  qed: Enable iSCSI Out-of-Order
  qed: Correct out-of-bound access in OOO history
  qed: Fix interrupt flags on Rx LL2
  qed: Free previous connections when releasing iSCSI
  qed: Fix mapping leak on LL2 rx flow
  qed: Prevent creation of too-big u32-chains
  qed: Align CIDs according to DORQ requirement
  mlxsw: reg: Fix SPVMLR max record count
  mlxsw: reg: Fix SPVM max record count
  net: Resend IGMP memberships upon peer notification.
  dccp: fix memory leak during tear-down of unsuccessful connection request
  tun: fix premature POLLOUT notification on tun devices
  dccp/tcp: fix routing redirect race
  ucc/hdlc: fix two little issue
  vxlan: fix ovs support
  net: use net->count to check whether a netns is alive or not
  bridge: drop netfilter fake rtable unconditionally
  ipv6: avoid write to a possibly cloned skb
  net: wimax/i2400m: fix NULL-deref at probe
  isdn/gigaset: fix NULL-deref at probe
  ...
2017-03-14 21:31:23 -07:00
Shannon Nelson d60be2ca9c i40e: fix up recent proxy and wol bits for X722_SUPPORT
Some opcodes added & reordered to be in numerical order with the
rest of the opcodes.
This patch adds admin queue structs to support Wake on LAN feature
for X722.

Signed-off-by: Shannon Nelson <shannon.nelson@intel.com>
Signed-off-by: Carolyn Wyborny <carolyn.wyborny@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2017-03-14 17:52:32 -07:00
Aaron Salter 96a39aed25 i40e: Acquire NVM lock before reads on all devices
Acquire NVM lock before reads on all devices.  Previously, locks were
only used for X722 and later.  Fixes an issue where simultaneous X710
NVM accesses were interfering with each other.

Change-ID: If570bb7acf958cef58725ec2a2011cead6f80638
Signed-off-by: Aaron Salter <aaron.k.salter@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2017-03-14 17:52:32 -07:00
Mintz, Yuval 9c79ddaa0f qed*: Add support for QL41xxx adapters
This adds the necessary infrastructure changes for initializing
and working with the new series of QL41xxx adapaters.

It also adds 2 new PCI device-IDs to qede:
  - 0x8070 for QL41xxx PFs
  - 0x8090 for VFs spawning from QL41xxx PFs

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>
2017-03-14 11:43:30 -07:00
Mintz, Yuval 6b116b1d6a qed: Enable iSCSI Out-of-Order
Missing in the initial submission, qed fails to propagate qedi's
request to enable OOO to firmware.

Fixes: fc831825f9 ("qed: Add support for hardware offloaded iSCSI")
Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-14 11:37:05 -07:00
Mintz, Yuval db31d330e8 qed: Correct out-of-bound access in OOO history
Need to set the number of entries in database, otherwise the logic
would quickly surpass the array.

Fixes: 1d6cff4fca ("qed: Add iSCSI out of order packet handling")
Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-14 11:37:05 -07:00
Ram Amrani 1df2adedcc qed: Fix interrupt flags on Rx LL2
Before iterating over the the LL2 Rx ring, the ring's
spinlock is taken via spin_lock_irqsave().
The actual processing of the packet [including handling
by the protocol driver] is done without said lock,
so qed releases the spinlock and re-claims it afterwards.

Problem is that the final spin_lock_irqrestore() at the end
of the iteration uses the original flags saved from the
initial irqsave() instead of the flags from the most recent
irqsave(). So it's possible that the interrupt status would
be incorrect at the end of the processing.

Fixes: 0a7fb11c23 ("qed: Add Light L2 support");
CC: Ram Amrani <Ram.Amrani@cavium.com>
Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-14 11:37:05 -07:00
Mintz, Yuval 4621ceb279 qed: Free previous connections when releasing iSCSI
Fixes: fc831825f9 ("qed: Add support for hardware offloaded iSCSI")
Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-14 11:37:05 -07:00
Mintz, Yuval 752ecb2da1 qed: Fix mapping leak on LL2 rx flow
When receiving an Rx LL2 packet, qed fails to unmap the previous buffer.

Fixes: 0a7fb11c23 ("qed: Add Light L2 support");
Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-14 11:37:05 -07:00
Tomer Tayar 3ef310a7d9 qed: Prevent creation of too-big u32-chains
Current Logic would allow the creation of a chain with U32_MAX + 1
elements, when the actual maximum supported by the driver infrastructure
is U32_MAX.

Fixes: a91eb52abb ("qed: Revisit chain implementation")
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>
2017-03-14 11:37:04 -07:00
Ram Amrani f3e48119b9 qed: Align CIDs according to DORQ requirement
The Doorbell HW block can be configured at a granularity
of 16 x CIDs, so we need to make sure that the actual number
of CIDs configured would be a multiplication of 16.

Today, when RoCE is enabled - given that the number is unaligned,
doorbelling the higher CIDs would fail to reach the firmware and
would eventually timeout.

Fixes: dbb799c397 ("qed: Initialize hardware for new protocols")
Signed-off-by: Ram Amrani <Ram.Amrani@cavium.com>
Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-14 11:37:04 -07:00
Jiri Pirko e9093b1183 mlxsw: reg: Fix SPVMLR max record count
The num_rec field is 8 bit, so the maximal count number is 255.
This fixes vlans learning not being enabled for wider ranges than 255.

Fixes: a4feea74cd ("mlxsw: reg: Add Switch Port VLAN MAC Learning register definition")
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Reviewed-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-14 11:35:11 -07:00
Jiri Pirko f004ec065b mlxsw: reg: Fix SPVM max record count
The num_rec field is 8 bit, so the maximal count number is 255. This
fixes vlans not being enabled for wider ranges than 255.

Fixes: b2e345f9a4 ("mlxsw: reg: Add Switch Port VID and Switch Port VLAN Membership registers definitions")
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Reviewed-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-14 11:35:11 -07:00
Doug Berger 421380856d net: bcmgenet: add support for the GENETv5 hardware
This commit adds support for the GENETv5 implementation.

The GENETv5 reports a major version of 6 instead of 5 so compensate
for this when verifying the configuration of the driver.  Also the
EPHY revision is now contained in the MDIO registers of the PHY so
the EPHY revision of 0 in GENET_VER_FMT is expected for GENETv5.

Signed-off-by: Doug Berger <opendmb@gmail.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-13 21:51:51 -07:00
Doug Berger 54fecff346 net: bcmgenet: return EOPNOTSUPP for unknown ioctl commands
This commit changes the ioctl handling behavior to return the
EOPNOTSUPP error code instead of the EINVAL error code when an
unknown ioctl command value is detected.

It also removes some redundant parsing of the ioctl command value
and allows the SIOCSHWTSTAMP value to be handled.

Signed-off-by: Doug Berger <opendmb@gmail.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-13 21:51:50 -07:00
Doug Berger c4d453d2b1 net: bcmgenet: correct return value of __bcmgenet_tx_reclaim
The reclaim function should return the number of buffer descriptors
reclaimed, not just the number corresponding to skb packets.

Also, remove the unnecessary computation when updating the consumer
index.

While this is not a functional problem it could degrade performance
of napi in a fragmented transmit stream.

Signed-off-by: Doug Berger <opendmb@gmail.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-13 21:51:50 -07:00
Doug Berger d5810ca325 net: bcmgenet: clear status to reduce spurious interrupts
Since the DMA interrupt status is latched and the DMA servicing can be
polled, it is a good idea to clear the latched status of a DMA interrupt
before performing the service that would be invoked by the interrupt.

This prevents old status from causing spurious interrupts when the
interrupt is unmasked at a later time.

Signed-off-by: Doug Berger <opendmb@gmail.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-13 21:51:50 -07:00
Doug Berger b1ec494dee net: bcmgenet: remove handling of wol interrupts from isr0
The bcmgenet_wol_isr() handler performs the necessary processing for
waking from a GENET event.  There is no necessary functionality behind
servicing the UMAC_IRQ_MPD_R event in the handling of isr0.  Therefore
the code that unmasks and masks this interrupt and that gets invoked
in response to it is removed by this commit.

Signed-off-by: Doug Berger <opendmb@gmail.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-13 21:51:50 -07:00
Doug Berger 6689da155b net: bcmgenet: manage dma interrupts in napi code
This commit moves DMA interrupt enabling out of init_umac() and adds
the masking of these interrupts to the napi enable and disable code.

Signed-off-by: Doug Berger <opendmb@gmail.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-13 21:51:49 -07:00
Doug Berger 556c2cf4ef net: bcmgenet: remove meaningless lines
An assortment of non-functional lines are removed to reduce confusion
and some typos in comments are corrected.

Signed-off-by: Doug Berger <opendmb@gmail.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-13 21:51:49 -07:00
Doug Berger c298ede2fe net: bcmgenet: simplify circular pointer arithmetic
A 2's complement subtraction will always do a borrow, so masking
off the sign bits is the same as conditionally adding (mask+1).

Signed-off-by: Doug Berger <opendmb@gmail.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-13 21:51:49 -07:00
Mintz, Yuval be086e7c53 qed*: Utilize Firmware 8.15.3.0
This patch advances the qed* drivers into using the newer firmware -
This solves several firmware bugs, mostly related [but not limited to]
various init/deinit issues in various offloaded protocols.

It also introduces a major 4-Cached SGE change in firmware, which can be
seen in the storage drivers' changes.

In addition, this firmware is required for supporting the new QL41xxx
series of adapters; While this patch doesn't add the actual support,
the firmware contains the necessary initialization & firmware logic to
operate such adapters [actual support would be added later on].

Changes from Previous versions:
-------------------------------
 - V2 - fix kbuild-test robot warnings

Signed-off-by: Tomer Tayar <Tomer.Tayar@cavium.com>
Signed-off-by: Ram Amrani <Ram.Amrani@cavium.com>
Signed-off-by: Manish Rangankar <Manish.Rangankar@cavium.com>
Signed-off-by: Chad Dupuis <Chad.Dupuis@cavium.com>
Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-13 15:33:09 -07:00
Joao Pinto 68e5cfaffa net: stmmac: added default rx queue size in stmmac_dma_interrupt
This patch adds the rx queue default size when dma interrupts are treated,
since dma op mode can be also set there.

Signed-off-by: Joao Pinto <jpinto@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-13 12:13:20 -07:00
Joao Pinto 26d6851fd2 net: stmmac: set default number of rx and tx queues in stmmac_pci
This patch configures default number of RX and TX queues when
using the pci glue driver.

Signed-off-by: Joao Pinto <jpinto@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-13 12:13:20 -07:00
Zhu Yanjun 1bcf165ac6 r8169: replace init_timer with setup_timer
Replace init_timer with setup_timer to simplify the source code.

Signed-off-by: Zhu Yanjun <yanjun.zhu@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-12 23:55:03 -07:00
Arkadi Sharshevsky 7c1b8eb175 mlxsw: spectrum: Add support for TC flower offload statistics
Add support for TC flower offload statistics including number of packets,
bytes and last use timestamp. Currently the statistics are gathered on a
per-rule basis.

Signed-off-by: Arkadi Sharshvesky <arkadis@mellanox.com>
Reviewed-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-12 23:50:15 -07:00
Arkadi Sharshevsky 4817072950 mlxsw: spectrum: Add support for counters on TCAM entries
Add support for packets and byte statistics on TCAM entries. The counters
are allocated from the generic flow counters pool.

Signed-off-by: Arkadi Sharshevsky <arkadis@mellanox.com>
Reviewed-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-12 23:50:14 -07:00
Arkadi Sharshevsky 938ab60860 mlxsw: spectrum: Add support for Policing and Counting action block
Add support for Policing and Counting action block. This action block
will be used to bind counter to TCAM entries.

Signed-off-by: Arkadi Sharshevsky <arkadis@mellanox.com>
Reviewed-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-12 23:50:14 -07:00
Arkadi Sharshevsky 446a154187 mlxsw: spectrum: Add periodic ACL rule activity update
Introduce periodic task for dumping the activity status for the ACL
rule TCAM entries. This is done in order to emulate last use statistics.

Signed-off-by: Arkadi Sharshevsky <arkadis@mellanox.com>
Reviewed-by: Ido Schimmel <idosch@mellanox.comi>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-12 23:50:14 -07:00
Arkadi Sharshevsky 096e914f69 mlxsw: spectrum: Add support for direct rule access
Currently the ACL rules can be accessed only by hashing. In order to
dump the activity the rules are also placed in a list.

Signed-off-by: Arkadi Sharshevsky <arkadis@mellanox.com>
Reviewed-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-12 23:50:14 -07:00
Arkadi Sharshevsky 7fd056c2ef mlxsw: spectrum_acl_tcam: Add support for retrieving TCAM entry activity
Add support for retrieving TCAM entry activity. In order to support ACL
rule activity corresponding TCAM entry should be queried.

Signed-off-by: Arkadi Sharshevsky <arkadis@mellanox.com>
Reviewed-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-12 23:50:14 -07:00
Arkadi Sharshevsky 1abcbcc292 mlxsw: spectrum: Add support for generic flow counter allocation
Add support for allocating generic flow counter. Generic flow counter
can count packets or packets and bytes and can be assigned to different
hardware processes. First use will be for counting packets and bytes of
ACL rules, and will be introduced in the following patches.

Signed-off-by: Arkadi Sharshevsky <arkadis@mellanox.com>
Reviewed-by: Ido schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-12 23:50:13 -07:00
Arkadi Sharshevsky 5766532abc mlxsw: reg: Add Monitoring General Purpose Counter Set register
The MGPC register retrieves generic flow counter value. It will be
used to query ACL counters.

Signed-off-by: Arkadi Sharshevsky <arkadis@mellanox.com>
Reviewed-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-12 23:50:13 -07:00
Arkadi Sharshevsky ff7b0d2720 mlxsw: spectrum: Add support for counter allocator
Add implementation for counter allocator. The ASIC has special memory
pool for various counting purposes. Counter memory is distributed between
equal size banks.

The static sub-pool configuration should specify the following parameters
for each sub-pool:
- Number of required banks.
- Maximum entry size.

Each module can add dedicated sub-pool or use existing one.

Signed-off-by: Arkadi Sharshevsky <arkadis@mellanox.com>
Reviewed-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-12 23:50:13 -07:00
Jakub Kicinski 6fe0c3b438 nfp: add support for xdp_adjust_head()
Support prepending data from XDP.  We are already always allocating
some headroom because FW may prepend metadata to packets.
xdp_adjust_head() can be supported by making sure that headroom is
big enough for XDP.  In case FW had prepended metadata to the packet,
however, we have to move it out of the way before we call XDP.

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-12 23:43:19 -07:00
Jakub Kicinski b92fb77f27 nfp: prepare metadata handling for xdp_adjust_head()
XDP may require us to move metadata to make room for pushing
headers.  Track meta data location with a pointer and pass
it explicitly to functions.

While at it validate that meta_len from the descriptor is not
bogus.

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-12 23:43:19 -07:00
Jakub Kicinski 1abae31953 nfp: reorganize pkt_off variable
Rename pkt_off variable to dma_off, it should hold data offset
counting from beginning of DMA mapping.  Compute the value only
in XDP context.

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-12 23:43:19 -07:00
Jakub Kicinski 97717aca61 nfp: validate rx offset from the BAR and size down it's field
NFP_NET_CFG_RX_OFFSET is 32bit wide, make sure what we read from
there is reasonable for packet headroom.  This allows us to store
the rx_offset in a 8bit variable.

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-12 23:43:19 -07:00
Jakub Kicinski c487e6b199 nfp: store dma direction in data path structure
Instead of testing if xdp_prog is present store the dma direction
in data path structure.

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-12 23:43:19 -07:00
Jakub Kicinski 892a7f700b nfp: switch to using data path structures for reconfiguration
Instead of passing around sets of rings and their parameters just
store all information in the data path structure.

We will no longer user xchg() on XDP programs when we swap programs
while the traffic is guaranteed not to be flowing.  This allows us
to simply assign the entire data path structures instead of copying
field by field.

The optimization to reallocate only the rings on the side (RX/TX)
which has been changed is also removed since it seems like it's not
worth the code complexity.

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-12 23:43:19 -07:00
Jakub Kicinski 9dc6b116e2 nfp: use dp to carry xdp_prog at reconfig time
Use xdp_prog member of data path struct to carry the xdp_prog to
alloc/free free functions.

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-12 23:43:18 -07:00
Jakub Kicinski 76e1e1a893 nfp: use dp to carry mtu at reconfig time
Move the mtu member from ring set to data path struct.

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-12 23:43:18 -07:00
Jakub Kicinski 2195c2637f nfp: use dp to carry fl_bufsz at reconfig time
Use fl_bufsz member of data path struct to carry desired size of
free list entries.

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-12 23:43:18 -07:00
Jakub Kicinski 512e94dc32 nfp: use dp to carry number of stack tx rings and vectors
Instead of passing variables around use dp to store number of tx rings
for the stack and number of IRQ vectors.

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-12 23:43:18 -07:00
Jakub Kicinski 783496b0dd nfp: pass new data path to ring reconfig
Make callers of nfp_net_ring_reconfig() pass newly allocated data
path structure.  We will gradually make use of that structure
instead of passing parameters around to all the allocation functions.
This commit adds allocation and propagation of new data path struct,
no parameters are converted, yet.

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-12 23:43:17 -07:00
Jakub Kicinski d2b8439760 nfp: move control BAR pointer into data path structure
Control BAR pointer is used to unmask interrupts so it should be
in the first cacheline of adapter structure.

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-12 23:43:17 -07:00
Jakub Kicinski 79c12a752c nfp: separate data path information from the reset of adapter structure
Move all data path information into a separate structure.  This way
we will be able to allocate new data path with all new rings etc.
and swap it in easily.

No functional changes.

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-12 23:43:17 -07:00
Joao Pinto 19d9187317 net: stmmac: configuration of CBS in case of a TX AVB queue
This patch adds the configuration of the AVB Credit-Based Shaper.

Signed-off-by: Joao Pinto <jpinto@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-12 23:41:04 -07:00
Joao Pinto ad5a87d7e3 net: stmmac: mac debug prepared for multiple queues
This patch prepares mac debug dump for multiple queues.

Signed-off-by: Joao Pinto <jpinto@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-12 23:41:04 -07:00
Joao Pinto 8f71a88d36 net: stmmac: prepare irq_status for mtl
This patch prepares mac irq status treatment for multiple queues.

Signed-off-by: Joao Pinto <jpinto@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-12 23:41:04 -07:00
Joao Pinto 29feff3900 net: stmmac: flow_ctrl functions adapted to mtl
This patch adapts flow_ctrl function to prepare it for multiple queues.

Signed-off-by: Joao Pinto <jpinto@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-12 23:41:03 -07:00
Joao Pinto d43042f4da net: stmmac: mapping mtl rx to dma channel
This patch adds the functionality of RX queue to dma channel mapping
based on configuration.

Signed-off-by: Joao Pinto <jpinto@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-12 23:41:03 -07:00
Joao Pinto 4f6046f587 net: stmmac: mtl rx queue enabled as dcb or avb
This patch introduces the enabling of RX queues as DCB or as AVB based
on configuration.

Signed-off-by: Joao Pinto <jpinto@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-12 23:41:03 -07:00
Joao Pinto 6a3a7193b2 net: stmmac: configure tx queue weight
This patch adds TX queues weight programming.

Signed-off-by: Joao Pinto <jpinto@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-12 23:41:03 -07:00
Joao Pinto d0a9c9f9c6 net: stmmac: configure mtl rx and tx algorithms
This patch adds the RX and TX scheduling algorithms programming.
It introduces the multiple queues configuration function
(stmmac_mtl_configuration) in stmmac_main.

Signed-off-by: Joao Pinto <jpinto@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-12 23:41:03 -07:00
Joao Pinto d976a525c3 net: stmmac: multiple queues dt configuration
This patch adds the multiple queues configuration in the Device Tree.
It was also created a set of structures to keep the RX and TX queues
configurations to be used in the driver.

Signed-off-by: Joao Pinto <jpinto@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-12 23:41:02 -07:00
Thierry Reding e6ea2d16fc net: stmmac: dwc-qos: Add Tegra186 support
The NVIDIA Tegra186 SoC contains an instance of the Synopsys DWC
ethernet QOS IP core. The binding that it uses is slightly different
from existing ones because of the integration (clocks, resets, ...).

Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-12 23:35:21 -07:00
Thierry Reding cee45b2eda net: stmmac: dwc-qos: Split out ->probe() and ->remove()
Split out the binding specific parts of ->probe() and ->remove() to
enable the driver to support variants of the binding. This is useful in
order to keep backwards-compatibility while making it easy for a sub-
driver to deal only with the updated bindings rather than having to add
compatibility quirks all over the place.

Reviewed-by: Mikko Perttunen <mperttunen@nvidia.com>
Reviewed-By: Joao Pinto <jpinto@synopsys.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-12 23:35:20 -07:00
Thierry Reding 356b755785 net: stmmac: Program RX queue size and flow control
Program the receive queue size based on the RX FIFO size and enable
hardware flow control for large FIFOs.

Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-12 23:35:20 -07:00
Thierry Reding 11fbf811c8 net: stmmac: Parse FIFO sizes from feature registers
New version of this core encode the FIFO sizes in one of the feature
registers. Use these sizes as default, but still allow device tree to
override them for backwards compatibility.

Reviewed-by: Mikko Perttunen <mperttunen@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-12 23:35:20 -07:00