Jeff Kirsher says:
====================
40GbE Intel Wired LAN Driver Updates 2017-10-13
This series contains updates to mqprio and i40e.
Amritha introduces a new hardware offload mode in tc/mqprio where the TCs,
the queue configurations and bandwidth rate limits are offloaded to the
hardware. The existing mqprio framework is extended to configure the queue
counts and layout and also added support for rate limiting. This is
achieved through new netlink attributes for the 'mode' option which takes
values such as 'dcb' (default) and 'channel' and a 'shaper' option for
QoS attributes such as bandwidth rate limits in hw mode 1. Legacy devices
can fall back to the existing setup supporting hw mode 1 without these
additional options where only the TCs are offloaded and then the 'mode'
and 'shaper' options defaults to DCB support. The i40e driver enables the
new mqprio hardware offload mechanism factoring the TCs, queue
configuration and bandwidth rates by creating HW channel VSIs.
In this new mode, the priority to traffic class mapping and the user
specified queue ranges are used to configure the traffic class when the
'mode' option is set to 'channel'. This is achieved by creating HW
channels(VSI). A new channel is created for each of the traffic class
configuration offloaded via mqprio framework except for the first TC (TC0)
which is for the main VSI. TC0 for the main VSI is also reconfigured as
per user provided queue parameters. Finally, bandwidth rate limits are set
on these traffic classes through the shaper attribute by sending these
rates in addition to the number of TCs and the queue configurations.
Colin Ian King makes an array of constant values "constant".
Alan fixes and issue where on some firmware versions, we were failing to
actually fill out the phy_types which caused ethtool to not report any
link types. Also hardened against a potentially malicious VF by not
letting the VF to reset itself after requesting to change the number of
queues (via ethtool), let the PF reset the VF to institute the requested
changes.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Lucas Bates says:
====================
tc-testing: Test suite updates
This patch series is a roundup of changes to the tc-testing
suite:
- Add test cases for police and mirred modules and some coverage
in already-submitted test categories
- Break the test case files down into more user-friendly sizes
- Bug fix to the tdc.py script's handling of the -l argument
v2: fix the lack of final newlines in two new files (thanks David)
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch fixes a bug in the tdc script, where executing tdc
with the -l argument would cause the tests to start running
as opposed to listing all the known test cases.
Signed-off-by: Lucas Bates <lucasb@mojatatu.com>
Acked-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add basic unit tests for police and skbmod actions in tc.
Signed-off-by: Lucas Bates <lucasb@mojatatu.com>
Acked-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The original submission had the test cases stored in one
monolithic file. This can be unwieldy to edit, especially as more
test cases are added. This patch removes the original tests.json
file in favour of individual ones broken down by category.
Signed-off-by: Lucas Bates <lucasb@mojatatu.com>
Acked-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Tests for flushing gact and mirred were missing. This patch
adds test cases to explicitly test the flush of any installed
gact/mirred actions.
Signed-off-by: Lucas Bates <lucasb@mojatatu.com>
Acked-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Alexander Duyck says:
====================
net: Minor macvlan source mode cleanups
So this patch series is just a few minor cleanups for macvlan source mode.
The first patch addresses double receives when a packet is being routed to
the macvlan destination address, and the other addresses the pkt_type being
updated in cases where it most likely should not be.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch updates the pkt_type to PACKET_HOST only if the destination MAC
address matches on the on the source based macvlan. It didn't make sense to
be updating broadcast, multicast, and non-local destined frames with
PACKET_HOST.
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch intoduces a slight adjustment for macvlan to address the fact
that in source mode I was seeing two copies of any packet addressed to the
macvlan interface being delivered where there should have been only one.
The issue appears to be that one copy was delivered based on the source MAC
address and then the second copy was being delivered based on the
destination MAC address. To fix it I am just treating a unicast address
match as though it is not a match since source based macvlan isn't supposed
to be matching based on the destination MAC anyway.
Fixes: 79cf79abce ("macvlan: add source mode")
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
We need a real-time notification for tcp retransmission
for monitoring.
Of course we could use ftrace to dynamically instrument this
kernel function too, however we can't retrieve the connection
information at the same time, for example perf-tools [1] reads
/proc/net/tcp for socket details, which is slow when we have
a lots of connections.
Therefore, this patch adds a tracepoint for __tcp_retransmit_skb()
and exposes src/dst IP addresses and ports of the connection.
This also makes it easier to integrate into perf.
Note, I expose both IPv4 and IPv6 addresses at the same time:
for a IPv4 socket, v4 mapped address is used as IPv6 addresses,
for a IPv6 socket, LOOPBACK4_IPV6 is already filled by kernel.
Also, add sk and skb pointers as they are useful for BPF.
1. https://github.com/brendangregg/perf-tools/blob/master/net/tcpretrans
Cc: Eric Dumazet <edumazet@google.com>
Cc: Alexei Starovoitov <alexei.starovoitov@gmail.com>
Cc: Hannes Frederic Sowa <hannes@stressinduktion.org>
Cc: Brendan Gregg <brendan.d.gregg@gmail.com>
Cc: Neal Cardwell <ncardwell@google.com>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Brendan Gregg <bgregg@netflix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Apparently ife_meta_id2name() is only called when
CONFIG_MODULES is defined.
This fixes:
net/sched/act_ife.c:251:20: warning: ‘ife_meta_id2name’ defined but not used [-Wunused-function]
static const char *ife_meta_id2name(u32 metaid)
^~~~~~~~~~~~~~~~
Fixes: d3f24ba895 ("net sched actions: fix module auto-loading")
Cc: Roman Mashak <mrv@mojatatu.com>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Haiyang Zhang says:
====================
hv_netvsc: Add init of send table and var renames
Add initialization of send indirection table. Otherwise it may contain
old info of previous device with different number of channels.
Also, did some variable renaming for easier reading.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
tx_table is part of the private data of kernel net_device. It is only
zero-ed out when allocating net_device.
We may recreate netvsc_device w/o recreating net_device, so the private
netdev data, including tx_table, are not zeroed. It may contain channel
numbers for the older netvsc_device.
This patch adds initialization of tx_table each time we recreate
netvsc_device.
Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Rename this variable because it is the Receive indirection
table.
Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The break statement for the Macronix case is missing and will
fall through to the Winbond case and re-assign the size setting.
Fix this by adding the missing break statement. Also correctly
indent the return statements.
Detected by CoverityScan, CID#1458020 ("Missing break in switch")
Fixes: 96ac18f14a ("cxgb4: Add support for new flash parts")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
* make "make -s" silent for the certs file (Arnd)
* fix missing CONFIG_ in extra certs symbol (Arnd)
* use crypto_aead_authsize() to use the proper API
and two other changes:
* remove a set-but-unused variable
* don't track HT *capability* changes, capabilities
are supposed to be constant (HT operation changes)
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Merge tag 'mac80211-next-for-davem-2017-10-13' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next
Johannes Berg says:
====================
Three fixes for the recently added new code:
* make "make -s" silent for the certs file (Arnd)
* fix missing CONFIG_ in extra certs symbol (Arnd)
* use crypto_aead_authsize() to use the proper API
and two other changes:
* remove a set-but-unused variable
* don't track HT *capability* changes, capabilities
are supposed to be constant (HT operation changes)
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Rahul Lakkireddy says:
====================
cxgb4: add support to get hardware debug logs via ethtool
This series of patches add support to collect hardware debug logs
via ethtool --get-dump facility.
Currently supports:
Memory dumps - Collects on-chip EDC0 and EDC1 dumps.
Hardware dumps - Collects firmware and hardware dumps.
Patch 1 adds ethtool set/get dump data. It also adds template header
that precedes dump data. This template header gives additional
information needed for extracting and decoding the collected dump
data.
Patch 2 adds base to collect dumps. Also collects regdump.
Patch 3 collects on-chip EDC0 and EDC1 memory dumps.
Patch 4 collects firmware mbox log and device log.
Patch 5 updates base API for accessing TP indirect registers.
Patch 6 collects hardware TP module dump.
Patch 7 collects hardware SGE, PCIE, PM, UP CIM, MA, and HMA
module dumps.
Patch 8 collects hardware IBQ and OBQ dump.
Thanks,
Rahul
---
v2:
- Prefix symbols that pollute global namespace in files starting
with cxgb4_* with "cxgb4_"
- Prefix symbols that pollute global namespace in files starting
with cudbg_* with "cudbg_"
- Make cudbg_collect_mem_info() static.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Rahul Lakkireddy <rahul.lakkireddy@chelsio.com>
Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Collect SGE, PCIE, PM, UP CIM, MA and HMA dumps.
Signed-off-by: Rahul Lakkireddy <rahul.lakkireddy@chelsio.com>
Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Rahul Lakkireddy <rahul.lakkireddy@chelsio.com>
Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Try to access TP indirect registers via firmware first. If this fails,
fallback and access them directly. This ensures that driver and
firmware do not conflict each other while accessing the TP indirect
registers.
Signed-off-by: Rahul Lakkireddy <rahul.lakkireddy@chelsio.com>
Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Collect firmware mbox and device logs before collecting the rest of
the hardware dumps to snap the firmware state before the mailbox logs
are updated by other hardware dumps.
Signed-off-by: Rahul Lakkireddy <rahul.lakkireddy@chelsio.com>
Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Collect EDC0 and EDC1 memory dump.
Signed-off-by: Rahul Lakkireddy <rahul.lakkireddy@chelsio.com>
Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add base to collect dump entities. Collect register dump and
update template header accordingly.
Signed-off-by: Rahul Lakkireddy <rahul.lakkireddy@chelsio.com>
Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Implement operations to set/get dump data via ethtool. Also add
template header that precedes dump data, which helps in decoding
and extracting the dump data.
Signed-off-by: Rahul Lakkireddy <rahul.lakkireddy@chelsio.com>
Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Today's -next build encountered an error due to a missing definition of
WARN_ON(), caused by some header reorganization removing an implicit
inclusion of linux/bug.h. Fix this with an explicit inclusion.
Signed-off-by: Mark Brown <broonie@kernel.org>
Acked-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Vivien Didelot says:
====================
net: dsa: remove .set_addr
An Ethernet switch may support having a MAC address, which can be used
as the switch's source address in transmitted full-duplex Pause frames.
If a DSA switch supports the related .set_addr operation, the DSA core
sets the master's MAC address on the switch.
This won't make sense anymore in a multi-CPU ports system, because there
won't be a unique master device assigned to a switch tree.
Moreover this operation is confusing because it makes the user think
that it could be used to program the switch with the MAC address of the
CPU/management port such that MAC address learning can be disabled on
said port, but in fact, that's not how it is currently used.
To fix this, assign a random MAC address at setup time in the mv88e6060
and mv88e6xxx drivers before removing .set_addr completely from DSA.
Changes in v3:
- include fix for mv88e6060 switch MAC address setter.
Changes in v2:
- remove .set_addr implementation from drivers and use a random MAC.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Now that there is no user for the .set_addr function, remove it from
DSA. If a switch supports this feature (like mv88e6xxx), the
implementation can be done in the driver setup.
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The .set_addr function does nothing, remove the dsa_loop implementation
before getting rid of it completely in DSA.
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
As for mv88e6xxx, setup the switch from within the mv88e6060 driver with
a random MAC address, and remove the .set_addr implementation.
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The 88E6060 Ethernet switch always transmits the multicast bit of the
switch MAC address as a zero. It re-uses the corresponding bit 8 of the
register "Switch MAC Address Register Bytes 0 & 1" for "DiffAddr".
If the "DiffAddr" bit is 0, then all ports transmit the same source
address. If it is set to 1, then bit 2:0 are used for the port number.
The mv88e6060 driver is currently wrongly shifting the MAC address byte
0 by 9. To fix this, shift it by 8 as usual and clear its bit 0.
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
An Ethernet switch may support having a MAC address, which can be used
as the switch's source address in transmitted full-duplex Pause frames.
If a DSA switch supports the related .set_addr operation, the DSA core
sets the master's MAC address on the switch. This won't make sense
anymore in a multi-CPU ports system, because there won't be a unique
master device assigned to a switch tree.
Instead, setup the switch from within the Marvell driver with a random
MAC address, and remove the .set_addr implementation.
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
In preparation to enabling -Wimplicit-fallthrough, mark switch cases
where we are expecting to fall through.
Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Jakub Kicinski says:
====================
nfp: bpf: support direct packet access
The core of this series is direct packet access support. With a
small change to the verifier, the offloaded code can now make
use of DPA. We need to be careful to use kernel (after initial
translation) offsets in our JIT. Direct packet access also brings
us to the problem of eBPF endianness. After considering the
changes necessary we decided to not support translation on both
BE and LE hosts, for now.
This series contains two fixes - one for compare instructions and
one for ineffective jne optimization. I chose to include fixes
in this set because the code in -net works only with unreleased
PoC FW (ABI version 1) and therefore nobody outside of Netronome
can exercise it anyway.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Add support for direct packet access in TC, note that because
writing the packet will cause the verifier to generate a csum
fixup prologue we won't be able to offload packet writes from
TC, just yet, only the reads will work.
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Simon Horman <simon.horman@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch adds ability to write packet contents using pre-validated
packet pointers (direct packet access).
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Simon Horman <simon.horman@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
In direct packet access bound checks are already done, we can
simply dereference the packet pointer.
Verifier/parser logic needs to record pointer type. Note that
although verifier does protect us from CTX vs other pointer
changes we will also want to differentiate between PACKET vs
MAP_VALUE or STACK, so we can add the check already.
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Simon Horman <simon.horman@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Move data load into a separate function and separate it from
packet length checks of legacy I/O. This makes the code more
readable and easier to reuse.
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Simon Horman <simon.horman@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Sizes of fields in struct xdp_md/xdp_buff and some in sk_buff depend
on target architecture. Take that into account and use struct xdp_buff,
not struct xdp_md.
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Simon Horman <simon.horman@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
eBPF is host-endian specific. Translating both BE and LE eBPF
to the NFP is feasible, but would require quite a bit of indirection.
The fact that I don't have access to any BE hosts that would fit
a 25G/40G/100G NIC is also limiting my ability to test big endian.
For now restrict the offload to little endian hosts only.
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Simon Horman <simon.horman@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Implement byte swaps with rotations, shifts and byte loads.
Remember to clear upper parts of the 64 bit registers.
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Simon Horman <simon.horman@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Register move operation is encoded as alu no op. This means
that one has to specify number of unused/none parameters to
the emit_alu(). Add a helper.
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Simon Horman <simon.horman@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Now that we have BPF assemebler support in LLVM 6 we can easily
test all compare instructions (LLVM 4 didn't generate most of them
from C). Fix the compare to immediates and refactor the order
of compare to regs to make sure they both follow the same pattern.
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Simon Horman <simon.horman@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
We optimize comparisons to immediate 0 as if (reg.lo | reg.hi).
The early return statement was missing, however, which means we
would generate two comparisons - optimized one followed by a
normal 2x 32 bit compare.
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Simon Horman <simon.horman@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
ld_field instruction has the following format in NFP assembler:
ld_field[dst, 1000, src, <<24]
reoder parameters to emit_ld_field_any() to make it closer to
the familiar assembler order.
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Simon Horman <simon.horman@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Use a simplified is_valid_access() callback when verifier
is used for program analysis by non-host JITs. This allows
us to teach the verifier about packet start and packet end
offsets for direct packet access.
We can extend the callback as needed but for most packet
processing needs there isn't much more the offloads may
require.
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Simon Horman <simon.horman@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Jose Abreu says:
====================
net: stmmac: Improvements for multi-queuing and for AVB
Two improvements for stmmac: First one corrects the available fifo
size per queue, second one corrects enabling of AVB queues. More info
in commit log.
Cc: David S. Miller <davem@davemloft.net>
Cc: Joao Pinto <jpinto@synopsys.com>
Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Cc: Alexandre Torgue <alexandre.torgue@st.com>
Changes from v1:
- Fix typo in second patch
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Flow control must be disabled for AVB enabled queues and TX
AVB queues must be enabled by setting BIT(2) of TXQEN.
Correct this by passing the queue mode to DMA callbacks
and by checking in these functions wether we are in AVB
performing the necessary adjustments.
Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Joao Pinto <jpinto@synopsys.com>
Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Cc: Alexandre Torgue <alexandre.torgue@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Currently we are using all the available fifo size in RQS and
TQS fields. This will not work correctly in multi-queues IP's
because total fifo size must be splitted to the enabled queues.
Correct this by computing the available fifo size per queue and
setting the right value in TQS and RQS fields.
Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Joao Pinto <jpinto@synopsys.com>
Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Cc: Alexandre Torgue <alexandre.torgue@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
