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Jakub Kicinski says:
====================
nfp: extend flower capabilities for GRE tunnel offload
Pieter says:
This set extends the flower match and action components to offload
GRE decapsulation with classification and encapsulation actions. The
first 3 patches are refactor and cleanup patches for improving
readability and reusability. Patch 4 and 5 implement GRE decap and
encap functionality respectively.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add new GRE encapsulation support, which allows offload of filters
using tunnel_key set action in combination with actions that egress
to GRE type ports.
Signed-off-by: Pieter Jansen van Vuuren <pieter.jansenvanvuuren@netronome.com>
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: John Hurley <john.hurley@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Extend the existing tunnel matching support to include GRE decap
classification. Specifically matching existing tunnel fields for
NVGRE (GRE with protocol field set to TEB).
Signed-off-by: Pieter Jansen van Vuuren <pieter.jansenvanvuuren@netronome.com>
Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: John Hurley <john.hurley@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Previously tunnel related functions in action offload only applied
to UDP tunnels. Rename these functions in preparation for new
tunnel types.
Signed-off-by: Pieter Jansen van Vuuren <pieter.jansenvanvuuren@netronome.com>
Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: John Hurley <john.hurley@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Adds IPv4 address and TTL/TOS helper functions, which is done in
preparation for compiling new tunnel types.
Signed-off-by: Pieter Jansen van Vuuren <pieter.jansenvanvuuren@netronome.com>
Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: John Hurley <john.hurley@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Refactor the key layer calculation function, in particular the tunnel
key layer calculation by introducing helper functions. This is done
in preparation for supporting GRE tunnel offloads.
Signed-off-by: Pieter Jansen van Vuuren <pieter.jansenvanvuuren@netronome.com>
Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: John Hurley <john.hurley@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Marek Vasut says:
====================
net: dsa: microchip: Further regmap cleanups
This patchset cleans up KSZ9477 switch driver by replacing various
ad-hoc polling implementations and register RMW with regmap functions.
Each polling function is replaced separately to make it easier to review
and possibly bisect, but maybe the patches can be squashed.
====================
Signed-off-by: Marek Vasut <marex@denx.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Regmap provides read-modify-write function to update bitfields in
registers. Replace ad-hoc read-modify-write with regmap_update_bits()
where applicable.
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Andrew Lunn <andrew@lunn.ch>
Cc: Florian Fainelli <f.fainelli@gmail.com>
Cc: Tristram Ha <Tristram.Ha@microchip.com>
Cc: Woojung Huh <Woojung.Huh@microchip.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Regmap provides polling function to poll for bits in a register. This
function is another reimplementation of polling for bit being clear in
a register. Replace this with regmap polling function. Moreover, inline
the function parameters, as the function is never called with any other
parameter values than this one.
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Andrew Lunn <andrew@lunn.ch>
Cc: Florian Fainelli <f.fainelli@gmail.com>
Cc: Tristram Ha <Tristram.Ha@microchip.com>
Cc: Woojung Huh <Woojung.Huh@microchip.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Regmap provides polling function to poll for bits in a register. This
function is another reimplementation of polling for bit being clear in
a register. Replace this with regmap polling function. Moreover, inline
the function parameters, as the function is never called with any other
parameter values than this one.
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Andrew Lunn <andrew@lunn.ch>
Cc: Florian Fainelli <f.fainelli@gmail.com>
Cc: Tristram Ha <Tristram.Ha@microchip.com>
Cc: Woojung Huh <Woojung.Huh@microchip.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Regmap provides polling function to poll for bits in a register. This
function is another reimplementation of polling for bit being clear in
a register. Replace this with regmap polling function. Moreover, inline
the function parameters, as the function is never called with any other
parameter values than this one.
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Andrew Lunn <andrew@lunn.ch>
Cc: Florian Fainelli <f.fainelli@gmail.com>
Cc: Tristram Ha <Tristram.Ha@microchip.com>
Cc: Woojung Huh <Woojung.Huh@microchip.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Regmap provides polling function to poll for bits in a register,
use in instead of reimplementing it.
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Andrew Lunn <andrew@lunn.ch>
Cc: Florian Fainelli <f.fainelli@gmail.com>
Cc: Tristram Ha <Tristram.Ha@microchip.com>
Cc: Woojung Huh <Woojung.Huh@microchip.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux
Saeed Mamameed says:
====================
Generic DIM
From: Tal Gilboa and Yamin Fridman
Implement net DIM over a generic DIM library, add RDMA DIM
dim.h lib exposes an implementation of the DIM algorithm for
dynamically-tuned interrupt moderation for networking interfaces.
We want a similar functionality for other protocols, which might need to
optimize interrupts differently. Main motivation here is DIM for NVMf
storage protocol.
Current DIM implementation prioritizes reducing interrupt overhead over
latency. Also, in order to reduce DIM's own overhead, the algorithm might
take some time to identify it needs to change profiles. While this is
acceptable for networking, it might not work well on other scenarios.
Here we propose a new structure to DIM. The idea is to allow a slightly
modified functionality without the risk of breaking Net DIM behavior for
netdev. We verified there are no degradations in current DIM behavior with
the modified solution.
Suggested solution:
- Common logic is implemented in lib/dim/dim.c
- Net DIM (existing) logic is implemented in lib/dim/net_dim.c, which uses
the common logic in dim.c
- Any new DIM logic will be implemented in "lib/dim/new_dim.c".
This new implementation will expose modified versions of profiles,
dim_step() and dim_decision().
- DIM API is declared in include/linux/dim.h for all implementations.
Pros for this solution are:
- Zero impact on existing net_dim implementation and usage
- Relatively more code reuse (compared to two separate solutions)
- Increased extensibility
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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The QCA8337(N) has a RESETn signal on Pin B42 that
triggers a chip reset if the line is pulled low.
The datasheet says that: "The active low duration
must be greater than 10 ms".
This can hopefully fix some of the issues related
to pin strapping in OpenWrt for the EA8500 which
suffers from detection issues after a SoC reset.
Please note that the qca8k_probe() function does
currently require to read the chip's revision
register for identification purposes.
Signed-off-by: Christian Lamparter <chunkeey@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch documents the qca8k's reset-gpios property that
can be used if the QCA8337N ends up in a bad state during
reset.
Signed-off-by: Christian Lamparter <chunkeey@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Gateway validation does not need a dst_entry, it only needs the fib
entry to validate the gateway resolution and egress device. So,
convert ip6_nh_lookup_table from ip6_pol_route to fib6_table_lookup
and ip6_route_check_nh to use fib6_lookup over rt6_lookup.
ip6_pol_route is a call to fib6_table_lookup and if successful a call
to fib6_select_path. From there the exception cache is searched for an
entry or a dst_entry is created to return to the caller. The exception
entry is not relevant for gateway validation, so what matters are the
calls to fib6_table_lookup and then fib6_select_path.
Similarly, rt6_lookup can be replaced with a call to fib6_lookup with
RT6_LOOKUP_F_IFACE set in flags. Again, the exception cache search is
not relevant, only the lookup with path selection. The primary difference
in the lookup paths is the use of rt6_select with fib6_lookup versus
rt6_device_match with rt6_lookup. When you remove complexities in the
rt6_select path, e.g.,
1. saddr is not set for gateway validation, so RT6_LOOKUP_F_HAS_SADDR
is not relevant
2. rt6_check_neigh is not called so that removes the RT6_NUD_FAIL_DO_RR
return and round-robin logic.
the code paths are believed to be equivalent for the given use case -
validate the gateway and optionally given the device. Furthermore, it
aligns the validation with onlink code path and the lookup path actually
used for rx and tx.
Adjust the users, ip6_route_check_nh_onlink and ip6_route_check_nh to
handle a fib6_info vs a rt6_info when performing validation checks.
Existing selftests fib-onlink-tests.sh and fib_tests.sh are used to
verify the changes.
Signed-off-by: David Ahern <dsahern@gmail.com>
Reviewed-by: Wei Wang <weiwan@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Vladimir Oltean says:
====================
FDB, VLAN and PTP fixes for SJA1105 DSA
This patchset is an assortment of fixes for the net-next version of the
sja1105 DSA driver:
- Avoid a kernel panic when the driver fails to probe or unregisters
- Finish Arnd Bermann's idea of compiling PTP support as part of the
main DSA driver and not separately
- Better handling of initial port-based VLAN as well as VLANs for
dsa_8021q FDB entries
- Fix address learning for the SJA1105 P/Q/R/S family
- Make static FDB entries persistent across switch resets
- Fix reporting of statically-added FDB entries in 'bridge fdb show'
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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The first generation switches don't tell us through the dynamic config
interface whether the dumped FDB entries are static or not (the LOCKEDS
bit from P/Q/R/S).
However, now that we're keeping a mirror of all 'bridge fdb' commands in
the static config, this is an opportunity to compare a dumped FDB entry
to the driver's private database. After all, what makes an entry static
is that *we* added it.
Signed-off-by: Vladimir Oltean <olteanv@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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A FDB entry means that "frames that match this VID and DMAC must be
forwarded to this port".
In the case of dsa_8021q however, the VID is not a single one (and
neither two, as my previous patch assumed). The VID can be set either by
the CPU port (1 tx_vid), or by any of the other front-panel port (n-1
rx_vid's).
Fixes: 93647594d8f5 ("net: dsa: sja1105: Hide the dsa_8021q VLANs from the bridge fdb command")
Signed-off-by: Vladimir Oltean <olteanv@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The reason why this wasn't tackled earlier is that I had hoped I
understood the user manual wrong. But unfortunately hacks are required
in order to retrieve the static/dynamic nature of FDB entries on SJA1105
P/Q/R/S, since this info is stored in the writeback buffer of the
dynamic config command.
Signed-off-by: Vladimir Oltean <olteanv@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When trying to add support for LOCKEDS (static FDB entries) on SJA1105
P/Q/R/S, at first I didn't remember how the abstraction I created
worked, and actually thought it works by mistake.
To avoid other people staring at the code and not making much sense out
of it, add some comments at the top of the file.
Signed-off-by: Vladimir Oltean <olteanv@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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After commit 8456721dd4ec ("net: dsa: sja1105: Add support for
configuring address ageing time"), we started to reset the switch rather
often (each time the bridge core changes the ageing time on a switch
port).
The unfortunate reality is that SJA1105 doesn't have any {cold, warm,
whatever} reset mode in which it accepts a new configuration stream
without flushing the FDB. Instead, in its world, the FDB *is* an
optional part of the static configuration.
So we play its game, and do what we also do for VLANs: for each 'bridge
fdb' command, we add the FDB entry through the dynamic interface, and we
append the in-kernel static config memory with info that we're going to
use later, when the next reset command is going to be issued.
The result is that 'bridge fdb' commands are now persistent (dynamically
learned entries are lost, but that's ok).
Signed-off-by: Vladimir Oltean <olteanv@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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At the end of the commit 1da73821343c ("net: dsa: sja1105: Add FDB
operations for P/Q/R/S series") message, I said that:
At the moment only FDB entries installed statically through 'bridge fdb'
are visible in the dump callback - the dynamically learned ones are
still under investigation.
It looks like the reason why they were not visible in 'bridge fdb' was
that they were never learned - always flooded.
SJA1105 P/Q/R/S manual says about the MAXADDRP[port] field:
Specify the maximum number of MAC address dynamically learned from
the respective port. It is used to limit the number of learned MAC
addresses per port.
It looks like not providing a value in the static config (aka providing
zeroes) is enough for it to not store the learned addresses in the FDB.
For now we divide the 1024 entry FDB "equally" amongst the 5 ports. This
may be revisited if the situation calls for that - for now I'm happy
that learning works.
Signed-off-by: Vladimir Oltean <olteanv@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In commit 1da73821343c ("net: dsa: sja1105: Add FDB operations for
P/Q/R/S series"), these bits were set in the static config, but
apparently they did not do anything. The reason is that the packing
accessors for them were part of a patch I forgot to send.
Signed-off-by: Vladimir Oltean <olteanv@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In SJA1105 there is no concept of 'default values' per se, everything
needs to be driver-supplied through the static configuration tables.
The issue is that the hardware manual says that 'at least the default
untagging VLAN' is mandatory to be provided through the static config.
But VLAN 0 isn't a very good initial pvid - its use is reserved for
priority-tagged frames, and the layers of the stack that care about
those already make sure that this VLAN is installed, as can be seen in
the message below:
8021q: adding VLAN 0 to HW filter on device swp2
So change the pvid provided through the static configuration to 1, which
matches the bridge core's defaults.
Signed-off-by: Vladimir Oltean <olteanv@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Currently when the driver unloads and PTP is enabled, the delayed work
that prevents the timecounter from expiring becomes a ticking time bomb.
The kernel will schedule the work thread within 60 seconds of driver
removal, but the work handler is no longer there, leading to this
strange and inconclusive stack trace:
[ 64.473112] Unable to handle kernel paging request at virtual address 79746970
[ 64.480340] pgd = 008c4af9
[ 64.483042] [79746970] *pgd=00000000
[ 64.486620] Internal error: Oops: 80000005 [#1] SMP ARM
[ 64.491820] Modules linked in:
[ 64.494871] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.2.0-rc5-01634-ge3a2773ba9e5 #1246
[ 64.503007] Hardware name: Freescale LS1021A
[ 64.507259] PC is at 0x79746970
[ 64.510393] LR is at call_timer_fn+0x3c/0x18c
[ 64.514729] pc : [<79746970>] lr : [<c03bd734>] psr: 60010113
[ 64.520965] sp : c1901de0 ip : 00000000 fp : c1903080
[ 64.526163] r10: c1901e38 r9 : ffffe000 r8 : c19064ac
[ 64.531363] r7 : 79746972 r6 : e98dd260 r5 : 00000100 r4 : c1a9e4a0
[ 64.537859] r3 : c1900000 r2 : ffffa400 r1 : 79746972 r0 : e98dd260
[ 64.544359] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none
[ 64.551460] Control: 10c5387d Table: a8a2806a DAC: 00000051
[ 64.557176] Process swapper/0 (pid: 0, stack limit = 0x1ddb27f0)
[ 64.563147] Stack: (0xc1901de0 to 0xc1902000)
[ 64.567481] 1de0: eb6a4918 3d60d7c3 c1a9e554 e98dd260 eb6a34c0 c1a9e4a0 ffffa400 c19064ac
[ 64.575616] 1e00: ffffe000 c03bd95c c1901e34 c1901e34 eb6a34c0 c1901e30 c1903d00 c186f4c0
[ 64.583751] 1e20: c1906488 29e34000 c1903080 c03bdca4 00000000 eaa6f218 00000000 eb6a45c0
[ 64.591886] 1e40: eb6a45c0 20010193 00000003 c03c0a68 20010193 3f7231be c1903084 00000002
[ 64.600022] 1e60: 00000082 00000001 ffffe000 c1a9e0a4 00000100 c0302298 02b64722 0000000f
[ 64.608157] 1e80: c186b3c8 c1877540 c19064ac 0000000a c186b350 ffffa401 c1903d00 c1107348
[ 64.616292] 1ea0: 00200102 c0d87a14 ea823c00 ffffe000 00000012 00000000 00000000 ea810800
[ 64.624427] 1ec0: f0803000 c1876ba8 00000000 c034c784 c18774b8 c039fb50 c1906c90 c1978aac
[ 64.632562] 1ee0: f080200c f0802000 c1901f10 c0709ca8 c03091a0 60010013 ffffffff c1901f44
[ 64.640697] 1f00: 00000000 c1900000 c1876ba8 c0301a8c 00000000 000070a0 eb6ac1a0 c031da60
[ 64.648832] 1f20: ffffe000 c19064ac c19064f0 00000001 00000000 c1906488 c1876ba8 00000000
[ 64.656967] 1f40: ffffffff c1901f60 c030919c c03091a0 60010013 ffffffff 00000051 00000000
[ 64.665102] 1f60: ffffe000 c0376aa4 c1a9da37 ffffffff 00000037 3f7231be c1ab20c0 000000cc
[ 64.673238] 1f80: c1906488 c1906480 ffffffff 00000037 c1ab20c0 c1ab20c0 00000001 c0376e1c
[ 64.681373] 1fa0: c1ab2118 c1700ea8 ffffffff ffffffff 00000000 c1700754 c17dfa40 ebfffd80
[ 64.689509] 1fc0: 00000000 c17dfa40 3f7733be 00000000 00000000 c1700330 00000051 10c0387d
[ 64.697644] 1fe0: 00000000 8f000000 410fc075 10c5387d 00000000 00000000 00000000 00000000
[ 64.705788] [<c03bd734>] (call_timer_fn) from [<c03bd95c>] (expire_timers+0xd8/0x144)
[ 64.713579] [<c03bd95c>] (expire_timers) from [<c03bdca4>] (run_timer_softirq+0xe4/0x1dc)
[ 64.721716] [<c03bdca4>] (run_timer_softirq) from [<c0302298>] (__do_softirq+0x130/0x3c8)
[ 64.729854] [<c0302298>] (__do_softirq) from [<c034c784>] (irq_exit+0xbc/0xd8)
[ 64.737040] [<c034c784>] (irq_exit) from [<c039fb50>] (__handle_domain_irq+0x60/0xb4)
[ 64.744833] [<c039fb50>] (__handle_domain_irq) from [<c0709ca8>] (gic_handle_irq+0x58/0x9c)
[ 64.753143] [<c0709ca8>] (gic_handle_irq) from [<c0301a8c>] (__irq_svc+0x6c/0x90)
[ 64.760583] Exception stack(0xc1901f10 to 0xc1901f58)
[ 64.765605] 1f00: 00000000 000070a0 eb6ac1a0 c031da60
[ 64.773740] 1f20: ffffe000 c19064ac c19064f0 00000001 00000000 c1906488 c1876ba8 00000000
[ 64.781873] 1f40: ffffffff c1901f60 c030919c c03091a0 60010013 ffffffff
[ 64.788456] [<c0301a8c>] (__irq_svc) from [<c03091a0>] (arch_cpu_idle+0x38/0x3c)
[ 64.795816] [<c03091a0>] (arch_cpu_idle) from [<c0376aa4>] (do_idle+0x1bc/0x298)
[ 64.803175] [<c0376aa4>] (do_idle) from [<c0376e1c>] (cpu_startup_entry+0x18/0x1c)
[ 64.810707] [<c0376e1c>] (cpu_startup_entry) from [<c1700ea8>] (start_kernel+0x480/0x4ac)
[ 64.818839] Code: bad PC value
[ 64.821890] ---[ end trace e226ed97b1c584cd ]---
[ 64.826482] Kernel panic - not syncing: Fatal exception in interrupt
[ 64.832807] CPU1: stopping
[ 64.835501] CPU: 1 PID: 0 Comm: swapper/1 Tainted: G D 5.2.0-rc5-01634-ge3a2773ba9e5 #1246
[ 64.845013] Hardware name: Freescale LS1021A
[ 64.849266] [<c0312394>] (unwind_backtrace) from [<c030cc74>] (show_stack+0x10/0x14)
[ 64.856972] [<c030cc74>] (show_stack) from [<c0ff4138>] (dump_stack+0xb4/0xc8)
[ 64.864159] [<c0ff4138>] (dump_stack) from [<c0310854>] (handle_IPI+0x3bc/0x3dc)
[ 64.871519] [<c0310854>] (handle_IPI) from [<c0709ce8>] (gic_handle_irq+0x98/0x9c)
[ 64.879050] [<c0709ce8>] (gic_handle_irq) from [<c0301a8c>] (__irq_svc+0x6c/0x90)
[ 64.886489] Exception stack(0xea8cbf60 to 0xea8cbfa8)
[ 64.891514] bf60: 00000000 0000307c eb6c11a0 c031da60 ffffe000 c19064ac c19064f0 00000002
[ 64.899649] bf80: 00000000 c1906488 c1876ba8 00000000 00000000 ea8cbfb0 c030919c c03091a0
[ 64.907780] bfa0: 600d0013 ffffffff
[ 64.911250] [<c0301a8c>] (__irq_svc) from [<c03091a0>] (arch_cpu_idle+0x38/0x3c)
[ 64.918609] [<c03091a0>] (arch_cpu_idle) from [<c0376aa4>] (do_idle+0x1bc/0x298)
[ 64.925967] [<c0376aa4>] (do_idle) from [<c0376e1c>] (cpu_startup_entry+0x18/0x1c)
[ 64.933496] [<c0376e1c>] (cpu_startup_entry) from [<803025cc>] (0x803025cc)
[ 64.940422] Rebooting in 3 seconds..
In this case, what happened is that the DSA driver failed to probe at
boot time due to a PHY issue during phylink_connect_phy:
[ 2.245607] fsl-gianfar soc:ethernet@2d90000 eth2: error -19 setting up slave phy
[ 2.258051] sja1105 spi0.1: failed to create slave for port 0.0
Fixes: bb77f36ac21d ("net: dsa: sja1105: Add support for the PTP clock")
Signed-off-by: Vladimir Oltean <olteanv@gmail.com>
Acked-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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As Arnd Bergmann pointed out in commit 78fe8a28fb96 ("net: dsa: sja1105:
fix ptp link error"), there is no point in having PTP support as a
separate loadable kernel module.
So remove the exported symbols and make sja1105.ko contain PTP support
or not based on CONFIG_NET_DSA_SJA1105_PTP.
Signed-off-by: Vladimir Oltean <olteanv@gmail.com>
Acked-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Marek Vasut says:
====================
net: dsa: microchip: Convert to regmap
This patchset converts KSZ9477 switch driver to regmap.
This was tested with extra patches on KSZ8795. This was also tested
on KSZ9477 on Microchip KSZ9477EVB board, which I now have.
====================
Signed-off-by: Marek Vasut <marex@denx.de>
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Regmap provides bit manipulation functions to set/clear bits, use those
insted of reimplementing them.
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Andrew Lunn <andrew@lunn.ch>
Cc: Florian Fainelli <f.fainelli@gmail.com>
Cc: Tristram Ha <Tristram.Ha@microchip.com>
Cc: Woojung Huh <Woojung.Huh@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The regmap config tables are rather similar for various generations of
the KSZ8xxx/KSZ9xxx switches. Introduce a macro which allows generating
those tables without duplication. Note that $regalign parameter is not
used right now, but will be used in KSZ87xx series switches.
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Andrew Lunn <andrew@lunn.ch>
Cc: Florian Fainelli <f.fainelli@gmail.com>
Cc: Tristram Ha <Tristram.Ha@microchip.com>
Cc: Woojung Huh <Woojung.Huh@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Since the driver now uses regmap , get rid of ad-hoc ksz_io_ops
abstraction, which no longer has any meaning. Moreover, since regmap
has it's own locking, get rid of the register access mutex.
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Andrew Lunn <andrew@lunn.ch>
Cc: Florian Fainelli <f.fainelli@gmail.com>
Cc: Tristram Ha <Tristram.Ha@microchip.com>
Cc: Woojung Huh <Woojung.Huh@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add basic SPI regmap support into the driver.
Previous patches unconver that ksz_spi_write() is always ever called
with len = 1, 2 or 4. We can thus drop the if (len > SPI_TX_BUF_LEN)
check and we can also drop the allocation of the txbuf which is part
of the driver data and wastes 256 bytes for no reason. Regmap covers
the whole thing now.
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Andrew Lunn <andrew@lunn.ch>
Cc: Florian Fainelli <f.fainelli@gmail.com>
Cc: Tristram Ha <Tristram.Ha@microchip.com>
Cc: Woojung Huh <Woojung.Huh@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Factor out the code which sends out the register read/write opcodes
to the switch, since the code differs in single bit between read and
write.
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Andrew Lunn <andrew@lunn.ch>
Cc: Florian Fainelli <f.fainelli@gmail.com>
Cc: Tristram Ha <Tristram.Ha@microchip.com>
Cc: Woojung Huh <Woojung.Huh@microchip.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The indirect function call to dev->dev_ops->get_port_addr() is expensive
especially if called for every single register access, and only returns
the value of PORT_CTRL_ADDR() macro. Use PORT_CTRL_ADDR() macro directly
instead.
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Andrew Lunn <andrew@lunn.ch>
Cc: Florian Fainelli <f.fainelli@gmail.com>
Cc: Tristram Ha <Tristram.Ha@microchip.com>
Cc: Woojung Huh <Woojung.Huh@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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These functions are only used by the KSZ9477 code, move them from
the header into that code. Note that these functions will be soon
replaced by regmap equivalents.
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Andrew Lunn <andrew@lunn.ch>
Cc: Florian Fainelli <f.fainelli@gmail.com>
Cc: Tristram Ha <Tristram.Ha@microchip.com>
Cc: Woojung Huh <Woojung.Huh@microchip.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The functions in the header file are static, and the header file is
included from single C file, just inline the code into the C file.
The bonus is that it's easier to spot further content to clean up.
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Andrew Lunn <andrew@lunn.ch>
Cc: Florian Fainelli <f.fainelli@gmail.com>
Cc: Tristram Ha <Tristram.Ha@microchip.com>
Cc: Woojung Huh <Woojung.Huh@microchip.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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These functions and callbacks are never used, remove them.
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Andrew Lunn <andrew@lunn.ch>
Cc: Florian Fainelli <f.fainelli@gmail.com>
Cc: Tristram Ha <Tristram.Ha@microchip.com>
Cc: Woojung Huh <Woojung.Huh@microchip.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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These functions and callbacks are never used, remove them.
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Andrew Lunn <andrew@lunn.ch>
Cc: Florian Fainelli <f.fainelli@gmail.com>
Cc: Tristram Ha <Tristram.Ha@microchip.com>
Cc: Woojung Huh <Woojung.Huh@microchip.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Igor Russkikh says:
====================
net: aquantia: implement vlan offloads
This patchset introduces hardware VLAN offload support and also does some
maintenance: we replace driver version with uts version string, add
documentation file for atlantic driver, and update maintainers
adding Igor as a maintainer.
v3: shuffle doc sections, per Andrew's comments
v2: updates in doc, gpl spdx tag cleanup
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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set_features should update flags and reinit hardware if
vlan offload settings were changed.
Signed-off-by: Igor Russkikh <igor.russkikh@aquantia.com>
Tested-by: Nikita Danilov <ndanilov@aquantia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Update datapath by adding logic related to hardware assisted
vlan strip/insert behaviour.
Tested-by: Nikita Danilov <ndanilov@aquantia.com>
Signed-off-by: Igor Russkikh <igor.russkikh@aquantia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Updating features and vlan_features with vlan HW offload.
Added vlan_tag fields to rx/tx ring_buff to track vlan related data.
Tested-by: Nikita Danilov <ndanilov@aquantia.com>
Signed-off-by: Igor Russkikh <igor.russkikh@aquantia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Register declaration macros required to work with vlan offload mode.
Tested-by: Nikita Danilov <ndanilov@aquantia.com>
Signed-off-by: Igor Russkikh <igor.russkikh@aquantia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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It was noticed some files had -or-later, however overall driver has
-only license. Clean this up.
Signed-off-by: Igor Russkikh <igor.russkikh@aquantia.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Aquantia is resposible now for all new features and bugfixes.
Reflect that in MAINTAINERS.
Signed-off-by: Igor Russkikh <igor.russkikh@aquantia.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Document contains configuration options description,
details and examples of driver various settings.
Signed-off-by: Igor Russkikh <igor.russkikh@aquantia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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As it was discussed some time previously, driver is better to
report kernel version string, as it in a best way identifies
the codebase.
Signed-off-by: Igor Russkikh <igor.russkikh@aquantia.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/next-queue
Jeff Kirsher says:
====================
Intel Wired LAN Driver Updates 2019-06-26
This series contains updates to ixgbe and i40e only.
Mauro S. M. Rodrigues update the ixgbe driver to handle transceivers who
comply with SFF-8472 but do not implement the Digital Diagnostic
Monitoring (DOM) interface. Update the driver to check the necessary
bits to see if DOM is implemented before trying to read the additional
256 bytes in the EEPROM for DOM data.
Young Xiao fixes a potential divide by zero issue in ixgbe driver.
Aleksandr fixes i40e to recognize 2.5 and 5.0 GbE link speeds so that it
is not reported as "Unknown bps". Fixes the driver to read the firmware
LLDP agent status during DCB initialization, and to properly log the
LLDP agent status to help with debugging when DCB fails to initialize.
Martyna fixes i40e for the missing supported and advertised link modes
information in ethtool.
Jake fixes a function header comment that was incorrect for a PTP
function in i40e.
Maciej fixes an issue for i40e when a XDP program is loaded the
descriptor count gets reset to the default value, resolve the issue by
making the current descriptor count persistent across resets.
Alice corrects a copyright date which she found to be incorrect.
Piotr adds a log entry when the traffic class 0 is added or deleted, which
was not being logged previously.
Gustavo A. R. Silva updates i40e to use struct_size() where possible.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Julian Wiedmann says:
====================
s390/qeth: updates 2019-06-27
please apply another round of qeth updates for net-next.
This completes the conversion of the control path to use dynamically
allocated cmd buffers, along with some fine-tuning for the route
validation fix that recently went into -net.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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The cast type currently gets selected in .ndo_start_xmit, and is then
piped through several layers until it's stored into the HW header.
Push the selection down into qeth_l?_fill_header() to (1) reduce the
number of xmit-wide parameters, and (2) merge the two route validation
checks into just one.
Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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