Commit Graph

726024 Commits

Author SHA1 Message Date
Igor Russkikh 6de97c0494 net: aquantia: bump driver version to match aquantia internal numbering
Signed-off-by: Igor Russkikh <igor.russkikh@aquantia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-21 18:19:04 -05:00
Igor Russkikh 854ab38c15 net: aquantia: Report correct mediatype via ethtool
For devices with known capabilities of Fibre media type we now report that
to ethtool.

Signed-off-by: Igor Russkikh <igor.russkikh@aquantia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-21 18:19:04 -05:00
Igor Russkikh c8c82eb387 net: aquantia: Introduce global AQC hardware reset sequence
The detailed reset sequence ensures all HW components are in aligned
state before NIC startup. It also supports cards with signed firmware (RBL)
and checks if their FW is valid.

Signed-off-by: Igor Russkikh <igor.russkikh@aquantia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-21 18:19:04 -05:00
Igor Russkikh a57d3929b8 net: aquantia: Introduce support for new firmware on AQC cards
This defines fw2x operations table and corresponding methods.
Some of the functions are being shared with 1.x firmware

Signed-off-by: Igor Russkikh <igor.russkikh@aquantia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-21 18:19:03 -05:00
Igor Russkikh 0c58c35f02 net: aquantia: Introduce firmware ops callbacks
New AQC cards will have an updated firmware with new binary interface.
This patch extracts firmware specific operations into a separate table
and prepares for the introduction of new fw 2.x and 3.x

Signed-off-by: Igor Russkikh <igor.russkikh@aquantia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-21 18:19:03 -05:00
Igor Russkikh 76c19c6cfa net: aquantia: Change confusing no_ff_addr to more meaningful name
The address to check if HW is not dead/hang could be stored in
capabilities, since it is a constant. Change its name to better reflect
the idea.

Signed-off-by: Igor Russkikh <igor.russkikh@aquantia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-21 18:19:03 -05:00
Igor Russkikh ef24175d9f net: aquantia: Remove create/destroy from hw ops
These ops are not related to HW and are now implemented in pci module.
Thus, remove these ops pointers and implementation.

Signed-off-by: Igor Russkikh <igor.russkikh@aquantia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-21 18:19:03 -05:00
Igor Russkikh 23ee07ad3c net: aquantia: Cleanup pci functions module
Driver contained a dead code of maintaining multiple pci port instances.
That will never be used since for each pci function a separate NIC
instance is created.
Simplify this, making pci module only responsible for pci resource
management.
NIC initialization is also simplified accordingly.

Signed-off-by: Igor Russkikh <igor.russkikh@aquantia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-21 18:19:03 -05:00
Igor Russkikh 8fcb98f462 net: aquantia: Convert hw and caps structures to const static pointers
This removes unnecessary structure copying, and prepares the driver for
separate firmware ops table introduction.

We also remove extra copy of capabilities structure (which is const actually)
and also replace it with a const pointer in aq_nic_cfg.

Signed-off-by: Igor Russkikh <igor.russkikh@aquantia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-21 18:19:03 -05:00
Igor Russkikh 4948293ff9 net: aquantia: Introduce new AQC devices and capabilities
A number of new AQC devices is going to be released. To support more
flexible capabilities management a number of static caps instances is now
declared. Devices now are mainly differs by supported speeds, but in future
more parameters will be customized. A set of AQC100 devices have
fibre media, not twisted pair - this is also reflected in
new capabilities definitions.

HW level also now directly exports hw_ops for each of A0/B0 hardware.

PCI configuration now uses a device configuration table where each
device ID is explicitly mapped with hardware OPs and capabilities
structures.

Signed-off-by: Igor Russkikh <igor.russkikh@aquantia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-21 18:19:03 -05:00
Igor Russkikh efe779b749 net: aquantia: Introduce new device ids and constants
New set of aquantia devices has an upgraded hardware (B1).
The hardware interface is identical to B0. The difference will
be in firmware which is incompatible with old one.

Reorganized and removed duplicate speed and devid definitions
Introduced explicit flow control configuration defines

Signed-off-by: Igor Russkikh <igor.russkikh@aquantia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-21 18:19:03 -05:00
David S. Miller f9b6ae29ae mlx5-updates-2018-01-19
From: Or Gerlitz <ogerlitz@mellanox.com>
 =======
 First six patches of this series further enhances the mlx5 hairpin support.
 The first two patches deal with using different hairpin instances
 for flows whose packets have different priorities to align with the port
 TX QoS model. The next four patches allow us to do HW spreading
 of flows over a set of hairpin pairs using RSS. The last two patches
 change the driver to also set the size of the HW hairpin queues.
 ========
 
 Next four patches from Eran Ben Elisha <eranbe@mellanox.com>:
 Add more debug data for TX timeout handling, and further enhance and optimize
 TX timeout handling upon lost interrupts, which adds a mechanism for explicitly
 polling EQ in case of a TX timeout in order to recover from a lost interrupt.
 If this is not the case (no pending EQEs), perform a channels full recovery as
 usual.
 
 From Kamal Heib <kamalh@mellanox.com>, Two patches to extend the stats group API
 to have an update_stats() callback which will be used to fetch the hardware or
 software counters data, this will improve the current API and reduce code
 duplication.
 
 From Gal Pressman <galp@mellanox.com>, Last patch, Add likely to the common RX checksum
 flow.
 
 Thanks,
 Saeed.
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Merge tag 'mlx5-updates-2018-01-19' of git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux

Saeed Mahameed says:

====================
mlx5-updates-2018-01-19

From: Or Gerlitz <ogerlitz@mellanox.com>
=======
First six patches of this series further enhances the mlx5 hairpin support.
The first two patches deal with using different hairpin instances
for flows whose packets have different priorities to align with the port
TX QoS model. The next four patches allow us to do HW spreading
of flows over a set of hairpin pairs using RSS. The last two patches
change the driver to also set the size of the HW hairpin queues.
========

Next four patches from Eran Ben Elisha <eranbe@mellanox.com>:
Add more debug data for TX timeout handling, and further enhance and optimize
TX timeout handling upon lost interrupts, which adds a mechanism for explicitly
polling EQ in case of a TX timeout in order to recover from a lost interrupt.
If this is not the case (no pending EQEs), perform a channels full recovery as
usual.

From Kamal Heib <kamalh@mellanox.com>, Two patches to extend the stats group API
to have an update_stats() callback which will be used to fetch the hardware or
software counters data, this will improve the current API and reduce code
duplication.

From Gal Pressman <galp@mellanox.com>, Last patch, Add likely to the common RX checksum
flow.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-21 18:13:23 -05:00
Pieter Jansen van Vuuren 01c15e93a7 nfp: flower: prioritize stats updates
Previously it was possible to interrupt processing stats updates because
they were handled in a work queue. Interrupting the stats updates could
lead to a situation where we backup the control message queue. This patch
moves the stats update processing out of the work queue to be processed as
soon as hardware sends a request.

Reported-by: Louis Peens <louis.peens@netronome.com>
Signed-off-by: Pieter Jansen van Vuuren <pieter.jansenvanvuuren@netronome.com>
Reviewed-by: Dirk van der Merwe <dirk.vandermerwe@netronome.com>
Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-21 18:08:05 -05:00
Linus Walleij d83bb0be12 net: gemini: Depend on HAS_IOMEM
The zeroday builder notices that since Usermode Linux does not
have IO memory, the build fails for them when selecting everything
it can enable.

As the driver is clearly using memory-mapped registers to access
the network adapter, we add depends on HAS_IOMEM to solve this
problem.

Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-21 18:05:30 -05:00
David S. Miller cbcbeedbfd Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-next
Pablo Neira Ayuso says:

====================
Netfilter/IPVS updates for net-next

The following patchset contains Netfilter/IPVS updates for your net-next
tree. Basically, a new extension for ip6tables, simplification work of
nf_tables that saves us 500 LoC, allow raw table registration before
defragmentation, conversion of the SNMP helper to use the ASN.1 code
generator, unique 64-bit handle for all nf_tables objects and fixes to
address fallout from previous nf-next batch.  More specifically, they
are:

1) Seven patches to remove family abstraction layer (struct nft_af_info)
   in nf_tables, this simplifies our codebase and it saves us 64 bytes per
   net namespace.

2) Add IPv6 segment routing header matching for ip6tables, from Ahmed
   Abdelsalam.

3) Allow to register iptable_raw table before defragmentation, some
   people do not want to waste cycles on defragmenting traffic that is
   going to be dropped, hence add a new module parameter to enable this
   behaviour in iptables and ip6tables. From Subash Abhinov
   Kasiviswanathan. This patch needed a couple of follow up patches to
   get things tidy from Arnd Bergmann.

4) SNMP helper uses the ASN.1 code generator, from Taehee Yoo. Several
   patches for this helper to prepare this change are also part of this
   patch series.

5) Add 64-bit handles to uniquely objects in nf_tables, from Harsha
   Sharma.

6) Remove log message that several netfilter subsystems print at
   boot/load time.

7) Restore x_tables module autoloading, that got broken in a previous
   patch to allow singleton NAT hook callback registration per hook
   spot, from Florian Westphal. Moreover, return EBUSY to report that
   the singleton NAT hook slot is already in instead.

8) Several fixes for the new nf_tables flowtable representation,
   including incorrect error check after nf_tables_flowtable_lookup(),
   missing Kconfig dependencies that lead to build breakage and missing
   initialization of priority and hooknum in flowtable object.

9) Missing NETFILTER_FAMILY_ARP dependency in Kconfig for the clusterip
   target. This is due to recent updates in the core to shrink the hook
   array size and compile it out if no specific family is enabled via
   .config file. Patch from Florian Westphal.

10) Remove duplicated include header files, from Wei Yongjun.

11) Sparse warning fix for the NFPROTO_INET handling from the core
    due to missing static function definition, also from Wei Yongjun.

12) Restore ICMPv6 Parameter Problem error reporting when
    defragmentation fails, from Subash Abhinov Kasiviswanathan.

13) Remove obsolete owner field initialization from struct
    file_operations, patch from Alexey Dobriyan.

14) Use boolean datatype where needed in the Netfilter codebase, from
    Gustavo A. R. Silva.

15) Remove double semicolon in dynset nf_tables expression, from
    Luis de Bethencourt.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-21 11:35:34 -05:00
David S. Miller ea9722e265 Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next
Alexei Starovoitov says:

====================
pull-request: bpf-next 2018-01-19

The following pull-request contains BPF updates for your *net-next* tree.

The main changes are:

1) bpf array map HW offload, from Jakub.

2) support for bpf_get_next_key() for LPM map, from Yonghong.

3) test_verifier now runs loaded programs, from Alexei.

4) xdp cpumap monitoring, from Jesper.

5) variety of tests, cleanups and small x64 JIT optimization, from Daniel.

6) user space can now retrieve HW JITed program, from Jiong.

Note there is a minor conflict between Russell's arm32 JIT fixes
and removal of bpf_jit_enable variable by Daniel which should
be resolved by keeping Russell's comment and removing that variable.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-20 22:03:46 -05:00
David S. Miller 8565d26bcb Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
The BPF verifier conflict was some minor contextual issue.

The TUN conflict was less trivial.  Cong Wang fixed a memory leak of
tfile->tx_array in 'net'.  This is an skb_array.  But meanwhile in
net-next tun changed tfile->tx_arry into tfile->tx_ring which is a
ptr_ring.

Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-19 22:59:33 -05:00
Alexei Starovoitov 1391040b65 Merge branch 'bpf-misc-improvements'
Daniel Borkmann says:

====================
This series adds various misc improvements to BPF: detection
of BPF helper definition misconfiguration for mem/size argument
pairs, csum_diff helper also for XDP, various test cases,
removal of the recently added pure_initcall(), restriction
of the jit sysctls to cap_sys_admin for initns, a minor size
improvement for x86 jit in alu ops, output of complexity limit
to verifier log and last but not least having the event output
more flexible with moving to const_size_or_zero type.

Thanks!
====================

Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2018-01-19 18:37:02 -08:00
Daniel Borkmann 1728a4f2ad bpf: move event_output to const_size_or_zero for xdp/skb as well
Similar rationale as in a60dd35d2e ("bpf: change bpf_perf_event_output
arg5 type to ARG_CONST_SIZE_OR_ZERO"), change the type to CONST_SIZE_OR_ZERO
such that we can better deal with optimized code. No changes needed in
bpf_event_output() as it can also deal with 0 size entirely (e.g. as only
wake-up signal with empty frame in perf RB, or packet dumps w/o meta data
as another such possibility).

Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2018-01-19 18:37:00 -08:00
Daniel Borkmann 4bd95f4b99 bpf: add upper complexity limit to verifier log
Given the limit could potentially get further adjustments in the
future, add it to the log so it becomes obvious what the current
limit is w/o having to check the source first. This may also be
helpful for debugging complexity related issues on kernels that
backport from upstream.

Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2018-01-19 18:37:00 -08:00
Daniel Borkmann de0a444dda bpf, x86: small optimization in alu ops with imm
For the BPF_REG_0 (BPF_REG_A in cBPF, respectively), we can use
the short form of the opcode as dst mapping is on eax/rax and
thus save a byte per such operation. Added to add/sub/and/or/xor
for 32/64 bit when K immediate is used. There may be more such
low-hanging fruit to add in future as well.

Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2018-01-19 18:37:00 -08:00
Daniel Borkmann 2e4a30983b bpf: restrict access to core bpf sysctls
Given BPF reaches far beyond just networking these days, it was
never intended to allow setting and in some cases reading those
knobs out of a user namespace root running without CAP_SYS_ADMIN,
thus tighten such access.

Also the bpf_jit_enable = 2 debugging mode should only be allowed
if kptr_restrict is not set since it otherwise can leak addresses
to the kernel log. Dump a note to the kernel log that this is for
debugging JITs only when enabled.

Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2018-01-19 18:37:00 -08:00
Daniel Borkmann fa9dd599b4 bpf: get rid of pure_initcall dependency to enable jits
Having a pure_initcall() callback just to permanently enable BPF
JITs under CONFIG_BPF_JIT_ALWAYS_ON is unnecessary and could leave
a small race window in future where JIT is still disabled on boot.
Since we know about the setting at compilation time anyway, just
initialize it properly there. Also consolidate all the individual
bpf_jit_enable variables into a single one and move them under one
location. Moreover, don't allow for setting unspecified garbage
values on them.

Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2018-01-19 18:37:00 -08:00
Daniel Borkmann 87c1793b1b bpf: add couple of test cases for div/mod by zero
Add couple of missing test cases for eBPF div/mod by zero to the
new test_verifier prog runtime feature. Also one for an empty prog
and only exit.

Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2018-01-19 18:37:00 -08:00
Daniel Borkmann fcd1c91771 bpf: add couple of test cases for signed extended imms
Add a couple of test cases for interpreter and JIT that are
related to an issue we faced some time ago in Cilium [1],
which is fixed in LLVM with commit e53750e1e086 ("bpf: fix
bug on silently truncating 64-bit immediate").

Test cases were run-time checking kernel to behave as intended
which should also provide some guidance for current or new
JITs in case they should trip over this. Added for cBPF and
eBPF.

  [1] https://github.com/cilium/cilium/pull/2162

Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2018-01-19 18:36:59 -08:00
Daniel Borkmann 205c380778 bpf: add csum_diff helper to xdp as well
Useful for porting cls_bpf programs w/o increasing program
complexity limits much at the same time, so add the helper
to XDP as well.

Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2018-01-19 18:36:59 -08:00
Daniel Borkmann 9013341594 bpf, verifier: detect misconfigured mem, size argument pair
I've seen two patch proposals now for helper additions that used
ARG_PTR_TO_MEM or similar in reg_X but no corresponding ARG_CONST_SIZE
in reg_X+1. Verifier won't complain in such case, but it will omit
verifying the memory passed to the helper thus ending up badly.
Detect such buggy helper function signature and bail out during
verification rather than finding them through review.

Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2018-01-19 18:36:59 -08:00
Jesper Dangaard Brouer 417f1d9f21 samples/bpf: xdp_monitor include cpumap tracepoints in monitoring
The xdp_redirect_cpu sample have some "builtin" monitoring of the
tracepoints for xdp_cpumap_*, but it is practical to have an external
tool that can monitor these transpoint as an easy way to troubleshoot
an application using XDP + cpumap.

Specifically I need such external tool when working on Suricata and
XDP cpumap redirect. Extend the xdp_monitor tool sample with
monitoring of these xdp_cpumap_* tracepoints.  Model the output format
like xdp_redirect_cpu.

Given I needed to handle per CPU decoding for cpumap, this patch also
add per CPU info on the existing monitor events.  This resembles part
of the builtin monitoring output from sample xdp_rxq_info.  Thus, also
covering part of that sample in an external monitoring tool.

Performance wise, the cpumap tracepoints uses bulking, which cause
them to have very little overhead.  Thus, they are enabled by default.

Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
2018-01-20 02:10:55 +01:00
Daniel Borkmann 05526361af Merge branch 'bpf-lpm-get-next-key'
Yonghong Song says:

====================
This patch set implements MAP_GET_NEXT_KEY command for LPM_TRIE map.
This command is really useful for key enumeration, and for key deletion
if what keys in the trie are unknown.

Patch #1 implements the functionality in the kernel and patch #2
adds a test case in tools/testing/selftests/bpf.
====================

Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
2018-01-19 23:26:42 +01:00
Yonghong Song 8c417dc15f tools/bpf: add a testcase for MAP_GET_NEXT_KEY command of LPM_TRIE map
A test case is added in tools/testing/selftests/bpf/test_lpm_map.c
for MAP_GET_NEXT_KEY command. A four node trie, which
is described in kernel/bpf/lpm_trie.c, is built and the
MAP_GET_NEXT_KEY results are checked.

Signed-off-by: Yonghong Song <yhs@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
2018-01-19 23:26:41 +01:00
Yonghong Song b471f2f1de bpf: implement MAP_GET_NEXT_KEY command for LPM_TRIE map
Current LPM_TRIE map type does not implement MAP_GET_NEXT_KEY
command. This command is handy when users want to enumerate
keys. Otherwise, a different map which supports key
enumeration may be required to store the keys. If the
map data is sparse and all map data are to be deleted without
closing file descriptor, using MAP_GET_NEXT_KEY to find
all keys is much faster than enumerating all key space.

This patch implements MAP_GET_NEXT_KEY command for LPM_TRIE map.
If user provided key pointer is NULL or the key does not have
an exact match in the trie, the first key will be returned.
Otherwise, the next key will be returned.

In this implemenation, key enumeration follows a postorder
traversal of internal trie. More specific keys
will be returned first than less specific ones, given
a sequence of MAP_GET_NEXT_KEY syscalls.

Signed-off-by: Yonghong Song <yhs@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
2018-01-19 23:26:41 +01:00
Shuah Khan b7bcc0bbb8 selftests: bpf: update .gitignore with missing generated files
Update .gitignore with missing generated files.

Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
2018-01-19 23:20:48 +01:00
Roman Gushchin a55aaf6db0 bpftool: recognize BPF_MAP_TYPE_CPUMAP maps
Add BPF_MAP_TYPE_CPUMAP map type to the list
of map type recognized by bpftool and define
corresponding text representation.

Signed-off-by: Roman Gushchin <guro@fb.com>
Cc: Quentin Monnet <quentin.monnet@netronome.com>
Cc: Jakub Kicinski <jakub.kicinski@netronome.com>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Cc: Alexei Starovoitov <ast@kernel.org>
Acked-by: Quentin Monnet <quentin.monnet@netronome.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
2018-01-19 23:16:52 +01:00
David S. Miller 85831e56a1 Merge branch 'dsa-mv88e6xxx-ATU-VTU-irq-fixes'
Andrew Lunn says:

====================
ATU and VTU irq fixes

Further testing and code review found two sets of bugs.

Core review found a cut/paste error in the irq setup code.

A board which does not have an interrupt line from the switch to the
SoC, and experiancing an EPROBE_DEFER throw a splat when the ATU irq
was freed but never registered.

v2: Fix typ0 chip->chip->vtu_prob_irq to chip->vtu_prob_irq
    0-day compile testing.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-19 15:57:03 -05:00
Andrew Lunn ae14cafc93 net: dsa: mv88e6xxx: Free ATU/VTU irq only when there is chip irq
We only register the ATU and VTU irq when we have a chip level IRQ.
In the error path, we should only attempt to remove the ATU and VTU
irq if we also have a chip level IRQ.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-19 15:57:02 -05:00
Andrew Lunn 9b662a3ec2 net: dsa: mv88e6xxx: Return error from irq_find_mapping()
Fix a cut/paste error. When irq_find_mapping() returns an error for
the ATU or VTU interrupt, return that error, not the value of
chip->device_irq.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-19 15:57:02 -05:00
David S. Miller 7677fd01cc Merge branch 'net-sched-cls-add-extack-support'
Alexander Aring says:

====================
net: sched: cls: add extack support

this patch adds extack support for TC classifier subsystem. The first
patch fixes some code style issues for this patch series pointed out
by checkpatch. The other patches until the last one prepares extack
handling for the TC classifier subsystem and handle generic extack
errors.

The last patch is an example for u32 classifier to add extack support
inside the callbacks delete and change. There exists a init callback as
well, but most classifier implementation run a kalloc() once to allocate
something. Not necessary _yet_ to add extack support now.

- Alex

Cc: David Ahern <dsahern@gmail.com>

changes since v3:
 - fix accidentally move of config option mismatch message in PATCH 2/8
   correct one is 4/8, detected by kbuildbot (Thank you)
 - Removed patch "net: sched: cls: add extack support for tc_setup_cb_call"
   PATCH 7/8 in version v2 as suggested by Jakub Kicinski (Thank you)
 - changed NL_SET_ERR_MSG to NL_SET_ERR_MSG_MOD as suggested by Jakub Kicinski
   in u32 cls (Thank You)
 - Removed text from cover letter that I was waiting for Jiri's Patches as
   detected by Jamal Hadi Salim (Thank you).

changes since v2:
 - rebased on Jiri's patches (Thank you)
 - several spelling fixes pointed out by Cong Wang (Thank you)
 - several spelling fixes pointed out by David Ahern (Thank you)
 - use David Ahern recommendation if config option is mismatch, but
   combine it with Cong Wang recommendation to put config name into it
   (Thank you)
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-19 15:52:52 -05:00
Alexander Aring 4b981dbc22 net: sched: cls_u32: add extack support
This patch adds extack support for the u32 classifier as example for
delete and init callback.

Cc: David Ahern <dsahern@gmail.com>
Signed-off-by: Alexander Aring <aring@mojatatu.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-19 15:52:51 -05:00
Alexander Aring 1057c55f6b net: sched: cls: add extack support for tcf_change_indev
This patch adds extack handling for the tcf_change_indev function which
is common used by TC classifier implementations.

Cc: David Ahern <dsahern@gmail.com>
Signed-off-by: Alexander Aring <aring@mojatatu.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-19 15:52:51 -05:00
Alexander Aring 571acf2106 net: sched: cls: add extack support for delete callback
This patch adds extack support for classifier delete callback api. This
prepares to handle extack support inside each specific classifier
implementation.

Cc: David Ahern <dsahern@gmail.com>
Signed-off-by: Alexander Aring <aring@mojatatu.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-19 15:52:51 -05:00
Alexander Aring 50a561900e net: sched: cls: add extack support for tcf_exts_validate
The tcf_exts_validate function calls the act api change callback. For
preparing extack support for act api, this patch adds the extack as
parameter for this function which is common used in cls implementations.

Furthermore the tcf_exts_validate will call action init callback which
prepares the TC action subsystem for extack support.

Cc: David Ahern <dsahern@gmail.com>
Signed-off-by: Alexander Aring <aring@mojatatu.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-19 15:52:51 -05:00
Alexander Aring 7306db38a6 net: sched: cls: add extack support for change callback
This patch adds extack support for classifier change callback api. This
prepares to handle extack support inside each specific classifier
implementation.

Cc: David Ahern <dsahern@gmail.com>
Signed-off-by: Alexander Aring <aring@mojatatu.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-19 15:52:51 -05:00
Alexander Aring c35a4acc29 net: sched: cls_api: handle generic cls errors
This patch adds extack support for generic cls handling. The extack
will be set deeper to each called function which is not part of netdev
core api.

Cc: David Ahern <dsahern@gmail.com>
Signed-off-by: Alexander Aring <aring@mojatatu.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-19 15:52:51 -05:00
Alexander Aring 8865fdd4e1 net: sched: cls: fix code style issues
This patch changes some code style issues pointed out by checkpatch
inside the TC cls subsystem.

Signed-off-by: Alexander Aring <aring@mojatatu.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-19 15:52:51 -05:00
Yuval Mintz fd5204cdfb mlxsw: spectrum: Upper-bound supported FW version
During initialization the driver checks whether the flashed FW image
suits its requirements by checking that it's sufficiently new.
However, there's only a weak backward compatibility scheme that is
actually guaranteed by the FW, so driver must also upper bound the
version to prevent compatibility issues between current driver and some
possible future fw.

Signed-off-by: Yuval Mintz <yuvalm@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>
2018-01-19 15:45:56 -05:00
David S. Miller ea8de47140 Merge branch 'nfp-devlink-capabilities-extensions-and-updates'
Jakub Kicinski says:

====================
nfp: devlink, capabilities extensions and updates

This series starts with an improvement to the usability of the device
memory accessors (CPP transactions).  Next few patches are devoted to
fixing the devlink locking.  After recent patches for mlxsw the locking
scheme of devlink ops has to be reworked.  Following patches improve
NFP code dealing with "representors", and expands the error message
printed when driver has no support for loaded FW.

Second part of the series is focused on vNIC capabilities read from
vNIC control memory (often referred to as "BAR0" for historical reasons).
TLV capability format is established and immediately made use of.  The
next patches rework parsing of features for control vNIC which allows
apps to mask out features they don't want enabled.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-19 15:44:19 -05:00
Jakub Kicinski 81bd5ded60 nfp: bpf: disable all ctrl vNIC capabilities
BPF firmware currently exposes IRQ moderation capability.
The driver will make use of it by default, inserting 50 usec
delay to every control message exchange.  This cuts the number
of messages per second we can exchange by almost half.

None of the other capabilities make much sense for BPF control
vNIC, either.  Disable them all.

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Dirk van der Merwe <dirk.vandermerwe@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-19 15:44:19 -05:00
Jakub Kicinski 78a0a65f40 nfp: allow apps to disable ctrl vNIC capabilities
Most vNIC capabilities are netdev related.  It makes no sense
to initialize them and waste FW resources.  Some are even
counter-productive, like IRQ moderation, which will slow
down exchange of control messages.

Add to nfp_app a mask of enabled control vNIC capabilities
for apps to use.  Make flower and BPF enable all capabilities
for now.  No functional changes.

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Dirk van der Merwe <dirk.vandermerwe@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-19 15:44:18 -05:00
Jakub Kicinski 545bfa7a6a nfp: split reading capabilities out of nfp_net_init()
nfp_net_init() is a little long and we are about to add more
code to reading capabilties.  Move the capability reading,
parsing and validating out.  Only actual initialization
will stay in nfp_net_init().

No functional changes.

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Dirk van der Merwe <dirk.vandermerwe@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-19 15:44:18 -05:00
Jakub Kicinski 527d7d1b99 nfp: read mailbox address from TLV caps
Allow specifying alternative vNIC mailbox location in TLV caps.
This way we can size the mailbox to the needs and not necessarily
waste 512B of ctrl memory space.

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Dirk van der Merwe <dirk.vandermerwe@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-19 15:44:18 -05:00