Commit Graph

31439 Commits

Author SHA1 Message Date
Petr Machata
cf9af379cd mlxsw: spectrum_qdisc: Extract a per-TC stat function
Extract from mlxsw_sp_qdisc_get_prio_stats() two new functions:
mlxsw_sp_qdisc_collect_tc_stats() to accumulate stats for that one TC only,
and mlxsw_sp_qdisc_update_stats() that makes the stats relative to base
values stored earlier. Use them from mlxsw_sp_qdisc_get_red_stats().

Signed-off-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-25 10:56:31 +01:00
Michael Ellerman
3546d8f1bb net: cxgb3_main: Add CAP_NET_ADMIN check to CHELSIO_GET_MEM
The cxgb3 driver for "Chelsio T3-based gigabit and 10Gb Ethernet
adapters" implements a custom ioctl as SIOCCHIOCTL/SIOCDEVPRIVATE in
cxgb_extension_ioctl().

One of the subcommands of the ioctl is CHELSIO_GET_MEM, which appears
to read memory directly out of the adapter and return it to userspace.
It's not entirely clear what the contents of the adapter memory
contains, but the assumption is that it shouldn't be accessible to all
users.

So add a CAP_NET_ADMIN check to the CHELSIO_GET_MEM case. Put it after
the is_offload() check, which matches two of the other subcommands in
the same function which also check for is_offload() and CAP_NET_ADMIN.

Found by Ilja by code inspection, not tested as I don't have the
required hardware.

Reported-by: Ilja Van Sprundel <ivansprundel@ioactive.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-25 10:50:42 +01:00
Florian Fainelli
148965df1a net: bcmgenet: Use netif_tx_napi_add() for TX NAPI
Before commit 7587935cfa ("net: bcmgenet: move NAPI initialization to
ring initialization") moved the code, this used to be
netif_tx_napi_add(), but we lost that small semantic change in the
process, restore that.

Fixes: 7587935cfa ("net: bcmgenet: move NAPI initialization to ring initialization")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Acked-by: Doug Berger <opendmb@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-25 10:31:28 +01:00
Ajay Gupta
b9f0b2f634 net: stmmac: platform: fix probe for ACPI devices
Use generic device API to get phy mode to fix probe failure
with ACPI based devices.

Signed-off-by: Ajay Gupta <ajayg@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-25 10:09:47 +01:00
Tony Nguyen
31ad4e4ee1 ice: Allocate flow profile
Create an extraction sequence based on the packet header protocols to be
programmed and allocate a flow profile for the extraction sequence.

Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Signed-off-by: Henry Tieman <henry.w.tieman@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-01-24 16:06:32 -08:00
Tony Nguyen
c90ed40cef ice: Enable writing hardware filtering tables
Enable the driver to write the filtering hardware tables to allow for
changing of RSS rules. Upon loading of DDP package, a minimal configuration
should be written to hardware.

Introduce and initialize structures for storing configuration and make
the top level calls to configure the RSS tables to initial values. A packet
segment will be created but nothing is written to hardware yet.

Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Signed-off-by: Henry Tieman <henry.w.tieman@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-01-24 13:18:19 -08:00
Tariq Toukan
342508c1c7 net/mlx5e: kTLS, Do not send decrypted-marked SKBs via non-accel path
When TCP out-of-order is identified (unexpected tcp seq mismatch), driver
analyzes the packet and decides what handling should it get:
1. go to accelerated path (to be encrypted in HW),
2. go to regular xmit path (send w/o encryption),
3. drop.

Packets marked with skb->decrypted by the TLS stack in the TX flow skips
SW encryption, and rely on the HW offload.
Verify that such packets are never sent un-encrypted on the wire.
Add a WARN to catch such bugs, and prefer dropping the packet in these cases.

Fixes: 46a3ea9807 ("net/mlx5e: kTLS, Enhance TX resync flow")
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: Boris Pismenny <borisp@mellanox.com>
Reviewed-by: Boris Pismenny <borisp@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2020-01-24 12:04:40 -08:00
Tariq Toukan
1e92899791 net/mlx5e: kTLS, Remove redundant posts in TX resync flow
The call to tx_post_resync_params() is done earlier in the flow,
the post of the control WQEs is unnecessarily repeated. Remove it.

Fixes: 700ec49742 ("net/mlx5e: kTLS, Fix missing SQ edge fill")
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: Boris Pismenny <borisp@mellanox.com>
Reviewed-by: Boris Pismenny <borisp@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2020-01-24 12:04:37 -08:00
Tariq Toukan
ffbd9ca94e net/mlx5e: kTLS, Fix corner-case checks in TX resync flow
There are the following cases:

1. Packet ends before start marker: bypass offload.
2. Packet starts before start marker and ends after it: drop,
   not supported, breaks contract with kernel.
3. packet ends before tls record info starts: drop,
   this packet was already acknowledged and its record info
   was released.

Add the above as comment in code.

Mind possible wraparounds of the TCP seq, replace the simple comparison
with a call to the TCP before() method.

In addition, remove logic that handles negative sync_len values,
as it became impossible.

Fixes: d2ead1f360 ("net/mlx5e: Add kTLS TX HW offload support")
Fixes: 46a3ea9807 ("net/mlx5e: kTLS, Enhance TX resync flow")
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: Boris Pismenny <borisp@mellanox.com>
Reviewed-by: Boris Pismenny <borisp@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2020-01-24 12:04:35 -08:00
Dmytro Linkin
3b83b6c2e0 net/mlx5e: Clear VF config when switching modes
Currently VF in LEGACY mode are not able to go up. Also in OFFLOADS
mode, when switching to it first time, VF can go up independently to
his representor, which is not expected.
Perform clearing of VF config when switching modes and set link state
to AUTO as default value. Also, when switching to OFFLOADS mode set
link state to DOWN, which allow VF link state to be controlled by its
REP.

Fixes: 1ab2068a4c ("net/mlx5: Implement vports admin state backup/restore")
Fixes: 556b9d16d3 ("net/mlx5: Clear VF's configuration on disabling SRIOV")
Signed-off-by: Dmytro Linkin <dmitrolin@mellanox.com>
Signed-off-by: Roi Dayan <roid@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2020-01-24 12:04:32 -08:00
Erez Shitrit
c0702a4bd4 net/mlx5: DR, use non preemptible call to get the current cpu number
Use raw_smp_processor_id instead of smp_processor_id() otherwise we will
get the following trace in debug-kernel:
	BUG: using smp_processor_id() in preemptible [00000000] code: devlink
	caller is dr_create_cq.constprop.2+0x31d/0x970 [mlx5_core]
	Call Trace:
	dump_stack+0x9a/0xf0
	debug_smp_processor_id+0x1f3/0x200
	dr_create_cq.constprop.2+0x31d/0x970
	genl_family_rcv_msg+0x5fd/0x1170
	genl_rcv_msg+0xb8/0x160
	netlink_rcv_skb+0x11e/0x340

Fixes: 297cccebdc ("net/mlx5: DR, Expose an internal API to issue RDMA operations")
Signed-off-by: Erez Shitrit <erezsh@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2020-01-24 12:04:29 -08:00
Eli Cohen
e401a1848b net/mlx5: E-Switch, Prevent ingress rate configuration of uplink rep
Since the implementation relies on limiting the VF transmit rate to
simulate ingress rate limiting, and since either uplink representor or
ecpf are not associated with a VF, we limit the rate limit configuration
for those ports.

Fixes: fcb64c0f56 ("net/mlx5: E-Switch, add ingress rate support")
Signed-off-by: Eli Cohen <eli@mellanox.com>
Reviewed-by: Roi Dayan <roid@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2020-01-24 12:04:27 -08:00
Erez Shitrit
b850a82114 net/mlx5: DR, Enable counter on non-fwd-dest objects
The current code handles only counters that attached to dest, we still
have the cases where we have counter on non-dest, like over drop etc.

Fixes: 6a48faeeca ("net/mlx5: Add direct rule fs_cmd implementation")
Signed-off-by: Hamdan Igbaria <hamdani@mellanox.com>
Signed-off-by: Erez Shitrit <erezsh@mellanox.com>
Reviewed-by: Alex Vesker <valex@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2020-01-24 12:04:25 -08:00
Meir Lichtinger
505a7f5478 net/mlx5: Update the list of the PCI supported devices
Add the upcoming ConnectX-7 device ID.

Fixes: 85327a9c41 ("net/mlx5: Update the list of the PCI supported devices")
Signed-off-by: Meir Lichtinger <meirl@mellanox.com>
Reviewed-by: Eran Ben Elisha <eranbe@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2020-01-24 12:04:22 -08:00
Paul Blakey
93b8a7ecb7 net/mlx5: Fix lowest FDB pool size
The pool sizes represent the pool sizes in the fw. when we request
a pool size from fw, it will return the next possible group.
We track how many pools the fw has left and start requesting groups
from the big to the small.
When we start request 4k group, which doesn't exists in fw, fw
wants to allocate the next possible size, 64k, but will fail since
its exhausted. The correct smallest pool size in fw is 128 and not 4k.

Fixes: e52c280240 ("net/mlx5: E-Switch, Add chains and priorities")
Signed-off-by: Paul Blakey <paulb@mellanox.com>
Reviewed-by: Roi Dayan <roid@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2020-01-24 12:04:20 -08:00
Vasily Averin
66018a102f l2t_seq_next should increase position index
if seq_file .next fuction does not change position index,
read after some lseek can generate unexpected output.

https://bugzilla.kernel.org/show_bug.cgi?id=206283
Signed-off-by: Vasily Averin <vvs@virtuozzo.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-24 11:42:18 +01:00
Vasily Averin
70a87287c8 seq_tab_next() should increase position index
if seq_file .next fuction does not change position index,
read after some lseek can generate unexpected output.

https://bugzilla.kernel.org/show_bug.cgi?id=206283
Signed-off-by: Vasily Averin <vvs@virtuozzo.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-24 11:42:18 +01:00
Colin Ian King
959b1825d9 i40e: fix spelling mistake "to" -> "too"
There is a spelling mistake in a hw_dbg message. Fix it.

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-24 08:12:06 +01:00
David S. Miller
9bbc8be29d mlx5-updates-2020-01-22
This series provides updates to mlx5 driver.
 1) Misc small cleanups
 2) Some SW steering updates including header copy support
 3) Full ethtool statistics support for E-Switch uplink representor
 Some refactoring was required to share the bare-metal NIC ethtool
 stats with the Uplink representor. On Top of this Vlad converts the
 ethtool stats support in E-Swtich vports representors to use the mlx5e
 "stats groups" infrastructure and then applied all applicable stats
 to the uplink representor netdev.
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 iQEzBAABCAAdFiEEGhZs6bAKwk/OTgTpSD+KveBX+j4FAl4pPoQACgkQSD+KveBX
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Merge tag 'mlx5-updates-2020-01-22' of git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux

Saeed Mahameed says:

====================
mlx5-updates-2020-01-22

This series provides updates to mlx5 driver.
1) Misc small cleanups
2) Some SW steering updates including header copy support
3) Full ethtool statistics support for E-Switch uplink representor
Some refactoring was required to share the bare-metal NIC ethtool
stats with the Uplink representor. On Top of this Vlad converts the
ethtool stats support in E-Swtich vports representors to use the mlx5e
"stats groups" infrastructure and then applied all applicable stats
to the uplink representor netdev.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-23 21:27:23 +01:00
Finn Thain
686f85d71d net/sonic: Prevent tx watchdog timeout
Section 5.5.3.2 of the datasheet says,

    If FIFO Underrun, Byte Count Mismatch, Excessive Collision, or
    Excessive Deferral (if enabled) errors occur, transmission ceases.

In this situation, the chip asserts a TXER interrupt rather than TXDN.
But the handler for the TXDN is the only way that the transmit queue
gets restarted. Hence, an aborted transmission can result in a watchdog
timeout.

This problem can be reproduced on congested link, as that can result in
excessive transmitter collisions. Another way to reproduce this is with
a FIFO Underrun, which may be caused by DMA latency.

In event of a TXER interrupt, prevent a watchdog timeout by restarting
transmission.

Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Tested-by: Stan Johnson <userm57@yahoo.com>
Signed-off-by: Finn Thain <fthain@telegraphics.com.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-23 21:24:37 +01:00
Finn Thain
772f66421d net/sonic: Fix CAM initialization
Section 4.3.1 of the datasheet says,

    This bit [TXP] must not be set if a Load CAM operation is in
    progress (LCAM is set). The SONIC will lock up if both bits are
    set simultaneously.

Testing has shown that the driver sometimes attempts to set LCAM
while TXP is set. Avoid this by waiting for command completion
before and after giving the LCAM command.

After issuing the Load CAM command, poll for !SONIC_CR_LCAM rather than
SONIC_INT_LCD, because the SONIC_CR_TXP bit can't be used until
!SONIC_CR_LCAM.

When in reset mode, take the opportunity to reset the CAM Enable
register.

Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Tested-by: Stan Johnson <userm57@yahoo.com>
Signed-off-by: Finn Thain <fthain@telegraphics.com.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-23 21:24:37 +01:00
Finn Thain
27e0c31c5f net/sonic: Fix command register usage
There are several issues relating to command register usage during
chip initialization.

Firstly, the SONIC sometimes comes out of software reset with the
Start Timer bit set. This gets logged as,

    macsonic macsonic eth0: sonic_init: status=24, i=101

Avoid this by giving the Stop Timer command earlier than later.

Secondly, the loop that waits for the Read RRA command to complete has
the break condition inverted. That's why the for loop iterates until
its termination condition. Call the helper for this instead.

Finally, give the Receiver Enable command after clearing interrupts,
not before, to avoid the possibility of losing an interrupt.

Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Tested-by: Stan Johnson <userm57@yahoo.com>
Signed-off-by: Finn Thain <fthain@telegraphics.com.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-23 21:24:37 +01:00
Finn Thain
3f4b7e6a2b net/sonic: Quiesce SONIC before re-initializing descriptor memory
Make sure the SONIC's DMA engine is idle before altering the transmit
and receive descriptors. Add a helper for this as it will be needed
again.

Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Tested-by: Stan Johnson <userm57@yahoo.com>
Signed-off-by: Finn Thain <fthain@telegraphics.com.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-23 21:24:37 +01:00
Finn Thain
89ba879e95 net/sonic: Fix receive buffer replenishment
As soon as the driver is finished with a receive buffer it allocs a new
one and overwrites the corresponding RRA entry with a new buffer pointer.

Problem is, the buffer pointer is split across two word-sized registers.
It can't be updated in one atomic store. So this operation races with the
chip while it stores received packets and advances its RRP register.
This could result in memory corruption by a DMA write.

Avoid this problem by adding buffers only at the location given by the
RWP register, in accordance with the National Semiconductor datasheet.

Re-factor this code into separate functions to calculate a RRA pointer
and to update the RWP.

Fixes: efcce83936 ("[PATCH] macsonic/jazzsonic network drivers update")
Tested-by: Stan Johnson <userm57@yahoo.com>
Signed-off-by: Finn Thain <fthain@telegraphics.com.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-23 21:24:37 +01:00
Finn Thain
94b1663495 net/sonic: Improve receive descriptor status flag check
After sonic_tx_timeout() calls sonic_init(), it can happen that
sonic_rx() will subsequently encounter a receive descriptor with no
flags set. Remove the comment that says that this can't happen.

When giving a receive descriptor to the SONIC, clear the descriptor
status field. That way, any rx descriptor with flags set can only be
a newly received packet.

Don't process a descriptor without the LPKT bit set. The buffer is
still in use by the SONIC.

Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Tested-by: Stan Johnson <userm57@yahoo.com>
Signed-off-by: Finn Thain <fthain@telegraphics.com.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-23 21:24:37 +01:00
Finn Thain
eaabfd19b2 net/sonic: Avoid needless receive descriptor EOL flag updates
The while loop in sonic_rx() traverses the rx descriptor ring. It stops
when it reaches a descriptor that the SONIC has not used. Each iteration
advances the EOL flag so the SONIC can keep using more descriptors.
Therefore, the while loop has no definite termination condition.

The algorithm described in the National Semiconductor literature is quite
different. It consumes descriptors up to the one with its EOL flag set
(which will also have its "in use" flag set). All freed descriptors are
then returned to the ring at once, by adjusting the EOL flags (and link
pointers).

Adopt the algorithm from datasheet as it's simpler, terminates quickly
and avoids a lot of pointless descriptor EOL flag changes.

Fixes: efcce83936 ("[PATCH] macsonic/jazzsonic network drivers update")
Tested-by: Stan Johnson <userm57@yahoo.com>
Signed-off-by: Finn Thain <fthain@telegraphics.com.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-23 21:24:37 +01:00
Finn Thain
9e311820f6 net/sonic: Fix receive buffer handling
The SONIC can sometimes advance its rx buffer pointer (RRP register)
without advancing its rx descriptor pointer (CRDA register). As a result
the index of the current rx descriptor may not equal that of the current
rx buffer. The driver mistakenly assumes that they are always equal.
This assumption leads to incorrect packet lengths and possible packet
duplication. Avoid this by calling a new function to locate the buffer
corresponding to a given descriptor.

Fixes: efcce83936 ("[PATCH] macsonic/jazzsonic network drivers update")
Tested-by: Stan Johnson <userm57@yahoo.com>
Signed-off-by: Finn Thain <fthain@telegraphics.com.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-23 21:24:37 +01:00
Finn Thain
427db97df1 net/sonic: Fix interface error stats collection
The tx_aborted_errors statistic should count packets flagged with EXD,
EXC, FU, or BCM bits because those bits denote an aborted transmission.
That corresponds to the bitmask 0x0446, not 0x0642. Use macros for these
constants to avoid mistakes. Better to leave out FIFO Underruns (FU) as
there's a separate counter for that purpose.

Don't lump all these errors in with the general tx_errors counter as
that's used for tx timeout events.

On the rx side, don't count RDE and RBAE interrupts as dropped packets.
These interrupts don't indicate a lost packet, just a lack of resources.
When a lack of resources results in a lost packet, this gets reported
in the rx_missed_errors counter (along with RFO events).

Don't double-count rx_frame_errors and rx_crc_errors.

Don't use the general rx_errors counter for events that already have
special counters.

Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Tested-by: Stan Johnson <userm57@yahoo.com>
Signed-off-by: Finn Thain <fthain@telegraphics.com.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-23 21:24:37 +01:00
Finn Thain
e3885f5761 net/sonic: Use MMIO accessors
The driver accesses descriptor memory which is simultaneously accessed by
the chip, so the compiler must not be allowed to re-order CPU accesses.
sonic_buf_get() used 'volatile' to prevent that. sonic_buf_put() should
have done so too but was overlooked.

Fixes: efcce83936 ("[PATCH] macsonic/jazzsonic network drivers update")
Tested-by: Stan Johnson <userm57@yahoo.com>
Signed-off-by: Finn Thain <fthain@telegraphics.com.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-23 21:24:37 +01:00
Finn Thain
5fedabf5a7 net/sonic: Clear interrupt flags immediately
The chip can change a packet's descriptor status flags at any time.
However, an active interrupt flag gets cleared rather late. This
allows a race condition that could theoretically lose an interrupt.
Fix this by clearing asserted interrupt flags immediately.

Fixes: efcce83936 ("[PATCH] macsonic/jazzsonic network drivers update")
Tested-by: Stan Johnson <userm57@yahoo.com>
Signed-off-by: Finn Thain <fthain@telegraphics.com.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-23 21:24:36 +01:00
Finn Thain
865ad2f220 net/sonic: Add mutual exclusion for accessing shared state
The netif_stop_queue() call in sonic_send_packet() races with the
netif_wake_queue() call in sonic_interrupt(). This causes issues
like "NETDEV WATCHDOG: eth0 (macsonic): transmit queue 0 timed out".
Fix this by disabling interrupts when accessing tx_skb[] and next_tx.
Update a comment to clarify the synchronization properties.

Fixes: efcce83936 ("[PATCH] macsonic/jazzsonic network drivers update")
Tested-by: Stan Johnson <userm57@yahoo.com>
Signed-off-by: Finn Thain <fthain@telegraphics.com.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-23 21:24:36 +01:00
Madalin Bucur
457bfc0a4b net: fsl/fman: rename IF_MODE_XGMII to IF_MODE_10G
As the only 10G PHY interface type defined at the moment the code
was developed was XGMII, although the PHY interface mode used was
not XGMII, XGMII was used in the code to denote 10G. This patch
renames the 10G interface mode to remove the ambiguity.

Signed-off-by: Madalin Bucur <madalin.bucur@oss.nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-23 21:18:57 +01:00
Madalin Bucur
1d3ca681b9 net/fsl: treat fsl,erratum-a011043
When fsl,erratum-a011043 is set, adjust for erratum A011043:
MDIO reads to internal PCS registers may result in having
the MDIO_CFG[MDIO_RD_ER] bit set, even when there is no
error and read data (MDIO_DATA[MDIO_DATA]) is correct.
Software may get false read error when reading internal
PCS registers through MDIO. As a workaround, all internal
MDIO accesses should ignore the MDIO_CFG[MDIO_RD_ER] bit.

Signed-off-by: Madalin Bucur <madalin.bucur@oss.nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-23 21:17:13 +01:00
Manish Chopra
22e984493a qlcnic: Fix CPU soft lockup while collecting firmware dump
Driver while collecting firmware dump takes longer time to
collect/process some of the firmware dump entries/memories.
Bigger capture masks makes it worse as it results in larger
amount of data being collected and results in CPU soft lockup.
Place cond_resched() in some of the driver flows that are
expectedly time consuming to relinquish the CPU to avoid CPU
soft lockup panic.

Signed-off-by: Shahed Shaikh <shshaikh@marvell.com>
Tested-by: Yonggen Xu <Yonggen.Xu@dell.com>
Signed-off-by: Manish Chopra <manishc@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-23 21:13:33 +01:00
Ido Schimmel
971de2e572 mlxsw: spectrum_acl: Fix use-after-free during reload
During reload (or module unload), the router block is de-initialized.
Among other things, this results in the removal of a default multicast
route from each active virtual router (VRF). These default routes are
configured during initialization to trap packets to the CPU. In
Spectrum-2, unlike Spectrum-1, multicast routes are implemented using
ACL rules.

Since the router block is de-initialized before the ACL block, it is
possible that the ACL rules corresponding to the default routes are
deleted while being accessed by the ACL delayed work that queries rules'
activity from the device. This can result in a rare use-after-free [1].

Fix this by protecting the rules list accessed by the delayed work with
a lock. We cannot use a spinlock as the activity read operation is
blocking.

[1]
[  123.331662] ==================================================================
[  123.339920] BUG: KASAN: use-after-free in mlxsw_sp_acl_rule_activity_update_work+0x330/0x3b0
[  123.349381] Read of size 8 at addr ffff8881f3bb4520 by task kworker/0:2/78
[  123.357080]
[  123.358773] CPU: 0 PID: 78 Comm: kworker/0:2 Not tainted 5.5.0-rc5-custom-33108-gf5df95d3ef41 #2209
[  123.368898] Hardware name: Mellanox Technologies Ltd. MSN3700C/VMOD0008, BIOS 5.11 10/10/2018
[  123.378456] Workqueue: mlxsw_core mlxsw_sp_acl_rule_activity_update_work
[  123.385970] Call Trace:
[  123.388734]  dump_stack+0xc6/0x11e
[  123.392568]  print_address_description.constprop.4+0x21/0x340
[  123.403236]  __kasan_report.cold.8+0x76/0xb1
[  123.414884]  kasan_report+0xe/0x20
[  123.418716]  mlxsw_sp_acl_rule_activity_update_work+0x330/0x3b0
[  123.444034]  process_one_work+0xb06/0x19a0
[  123.453731]  worker_thread+0x91/0xe90
[  123.467348]  kthread+0x348/0x410
[  123.476847]  ret_from_fork+0x24/0x30
[  123.480863]
[  123.482545] Allocated by task 73:
[  123.486273]  save_stack+0x19/0x80
[  123.490000]  __kasan_kmalloc.constprop.6+0xc1/0xd0
[  123.495379]  mlxsw_sp_acl_rule_create+0xa7/0x230
[  123.500566]  mlxsw_sp2_mr_tcam_route_create+0xf6/0x3e0
[  123.506334]  mlxsw_sp_mr_tcam_route_create+0x5b4/0x820
[  123.512102]  mlxsw_sp_mr_table_create+0x3b5/0x690
[  123.517389]  mlxsw_sp_vr_get+0x289/0x4d0
[  123.521797]  mlxsw_sp_fib_node_get+0xa2/0x990
[  123.526692]  mlxsw_sp_router_fib4_event_work+0x54c/0x2d60
[  123.532752]  process_one_work+0xb06/0x19a0
[  123.537352]  worker_thread+0x91/0xe90
[  123.541471]  kthread+0x348/0x410
[  123.545103]  ret_from_fork+0x24/0x30
[  123.549113]
[  123.550795] Freed by task 518:
[  123.554231]  save_stack+0x19/0x80
[  123.557958]  __kasan_slab_free+0x125/0x170
[  123.562556]  kfree+0xd7/0x3a0
[  123.565895]  mlxsw_sp_acl_rule_destroy+0x63/0xd0
[  123.571081]  mlxsw_sp2_mr_tcam_route_destroy+0xd5/0x130
[  123.576946]  mlxsw_sp_mr_tcam_route_destroy+0xba/0x260
[  123.582714]  mlxsw_sp_mr_table_destroy+0x1ab/0x290
[  123.588091]  mlxsw_sp_vr_put+0x1db/0x350
[  123.592496]  mlxsw_sp_fib_node_put+0x298/0x4c0
[  123.597486]  mlxsw_sp_vr_fib_flush+0x15b/0x360
[  123.602476]  mlxsw_sp_router_fib_flush+0xba/0x470
[  123.607756]  mlxsw_sp_vrs_fini+0xaa/0x120
[  123.612260]  mlxsw_sp_router_fini+0x137/0x384
[  123.617152]  mlxsw_sp_fini+0x30a/0x4a0
[  123.621374]  mlxsw_core_bus_device_unregister+0x159/0x600
[  123.627435]  mlxsw_devlink_core_bus_device_reload_down+0x7e/0xb0
[  123.634176]  devlink_reload+0xb4/0x380
[  123.638391]  devlink_nl_cmd_reload+0x610/0x700
[  123.643382]  genl_rcv_msg+0x6a8/0xdc0
[  123.647497]  netlink_rcv_skb+0x134/0x3a0
[  123.651904]  genl_rcv+0x29/0x40
[  123.655436]  netlink_unicast+0x4d4/0x700
[  123.659843]  netlink_sendmsg+0x7c0/0xc70
[  123.664251]  __sys_sendto+0x265/0x3c0
[  123.668367]  __x64_sys_sendto+0xe2/0x1b0
[  123.672773]  do_syscall_64+0xa0/0x530
[  123.676892]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  123.682552]
[  123.684238] The buggy address belongs to the object at ffff8881f3bb4500
[  123.684238]  which belongs to the cache kmalloc-128 of size 128
[  123.698261] The buggy address is located 32 bytes inside of
[  123.698261]  128-byte region [ffff8881f3bb4500, ffff8881f3bb4580)
[  123.711303] The buggy address belongs to the page:
[  123.716682] page:ffffea0007ceed00 refcount:1 mapcount:0 mapping:ffff888236403500 index:0x0
[  123.725958] raw: 0200000000000200 dead000000000100 dead000000000122 ffff888236403500
[  123.734646] raw: 0000000000000000 0000000000100010 00000001ffffffff 0000000000000000
[  123.743315] page dumped because: kasan: bad access detected
[  123.749562]
[  123.751241] Memory state around the buggy address:
[  123.756620]  ffff8881f3bb4400: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[  123.764716]  ffff8881f3bb4480: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[  123.772812] >ffff8881f3bb4500: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[  123.780904]                                ^
[  123.785697]  ffff8881f3bb4580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[  123.793793]  ffff8881f3bb4600: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[  123.801883] ==================================================================

Fixes: cf7221a4f5 ("mlxsw: spectrum_router: Add Multicast routing support for Spectrum-2")
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-23 11:32:57 +01:00
Heiner Kallweit
fd786fb1d2 net: convert suitable drivers to use phy_do_ioctl_running
Convert suitable drivers to use new helper phy_do_ioctl_running.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Acked-by: Timur Tabi <timur@kernel.org>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-23 10:49:30 +01:00
Vlad Buslov
7c453526dc net/mlx5e: Enable all available stats for uplink reps
Extend stats group array of uplink representor with all stats that are
available for PF in legacy mode, besides ipsec and TLS which are not
supported.

Don't output vport stats for uplink representor because they are already
handled by 802_3 group (with different names: {tx|rx}_{bytes|packets}_phy).

Signed-off-by: Vlad Buslov <vladbu@mellanox.com>
Reviewed-by: Roi Dayan <roid@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2020-01-22 22:30:12 -08:00
Vlad Buslov
8520fa57a4 net/mlx5e: Create q counters on uplink representors
Q counters were disabled for all types of representors to prevent an issue
where there is not enough resources to init q counters for 127 representor
instances. Enable q counters only for uplink representors to support
"rx_out_of_buffer", "rx_if_down_packets" counters in ethtool.

Signed-off-by: Vlad Buslov <vladbu@mellanox.com>
Reviewed-by: Roi Dayan <roid@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2020-01-22 22:30:12 -08:00
Vlad Buslov
8a236b1514 net/mlx5e: Convert rep stats to mlx5e_stats_grp-based infra
In order to support all of the supported stats that are available in legacy
mode for switchdev uplink representors, convert rep stats infrastructure to
reuse struct mlx5e_stats_grp that is already used when device is in legacy
mode. Refactor rep code to use array of mlx5e_stats_grp
structures (constructed using macros provided by stats infra) to
fill/update stats, instead of fixed hardcoded set of values. This approach
allows to easily extend representors with new stats types.

Signed-off-by: Vlad Buslov <vladbu@mellanox.com>
Reviewed-by: Roi Dayan <roid@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2020-01-22 22:30:12 -08:00
Saeed Mahameed
2a303f13f9 net/mlx5e: IPoIB, use separate stats groups
Don't copy all of the stats groups used for mlx5e ethernet NIC profile,
have a separate stats groups for IPoIB with the set of the needed stats
only.

Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2020-01-22 22:30:07 -08:00
Saeed Mahameed
f0ff8e8c72 net/mlx5e: Convert stats groups array to array of group pointers
Convert stats groups array to array of "stats group" pointers to allow
sharing and individual selection of groups per profile as illustrated in
the next patches.

Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Reviewed-by: Tariq Toukan <tariqt@mellanox.com>
2020-01-22 22:30:01 -08:00
Saeed Mahameed
96b1279655 net/mlx5e: Declare stats groups via macro
Introduce new macros to declare stats callbacks and groups, for better
code reuse and for individual groups selection per profile which will be
introduced in next patches.

Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Reviewed-by: Tariq Toukan <tariqt@mellanox.com>
2020-01-22 22:29:55 -08:00
Saeed Mahameed
3460c184df net/mlx5e: Profile specific stats groups
Attach stats groups array to the profiles and make the stats utility
functions (get_num, update, fill, fill_strings) generic and use the
profile->stats_grps rather the hardcoded NIC stats groups.

This will allow future extension to have per profile stats groups.

In this patch mlx5e NIC and IPoIB will still share the same stats
groups.

Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Reviewed-by: Tariq Toukan <tariqt@mellanox.com>
2020-01-22 22:29:49 -08:00
Roi Dayan
29b598ddb8 net/mlx5e: Move uplink rep init/cleanup code into own functions
Clean up the code and allows to call uplink rep init/cleanup
from different location later.
To be used later for a new uplink representor mode.

Signed-off-by: Roi Dayan <roid@mellanox.com>
Reviewed-by: Eli Britstein <elibr@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2020-01-22 22:28:40 -08:00
Yevgeny Kliteynik
4c7cea2f31 net/mlx5: DR, Allow connecting flow table to a lower/same level table
Allow connecting SW steering source table to a lower/same level
destination table.
Lifting this limitation is required to support Connection Tracking.

Signed-off-by: Yevgeny Kliteynik <kliteyn@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2020-01-22 22:28:37 -08:00
Hamdan Igbaria
c21a49b360 net/mlx5: DR, Modify header copy support
Modify header supports ADD/SET and from this patch
also COPY. Copy allows to copy header fields and
metadata.

Signed-off-by: Hamdan Igbaria <hamdani@mellanox.com>
Signed-off-by: Alex Vesker <valex@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2020-01-22 22:28:34 -08:00
Hamdan Igbaria
a51dcc10a0 net/mlx5: DR, Modify set action limitation extension
Modify set actions are not supported on both tx
and rx, added a check for that.
Also refactored the code in a way that every modify
action has his own functions, this needed so in the
future we could add copy action more smoothly.

Signed-off-by: Hamdan Igbaria <hamdani@mellanox.com>
Signed-off-by: Alex Vesker <valex@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2020-01-22 22:28:32 -08:00
wenxu
6d65bc64e2 net/mlx5e: Add mlx5e_flower_parse_meta support
In the flowtables offload all the devices in the flowtables
share the same flow_block. An offload rule will be installed on
all the devices. This scenario is not correct.

It is no problem if there are only two devices in the flowtable,
The rule with ingress and egress on the same device can be reject
by driver.

But more than two devices in the flowtable will install the wrong
rules on hardware.

For example:
Three devices in a offload flowtables: dev_a, dev_b, dev_c

A rule ingress from dev_a and egress to dev_b:
The rule will install on device dev_a.
The rule will try to install on dev_b but failed for ingress
and egress on the same device.
The rule will install on dev_c. This is not correct.

The flowtables offload avoid this case through restricting the ingress dev
with FLOW_DISSECTOR_KEY_META.

So the mlx5e driver also should support the FLOW_DISSECTOR_KEY_META parse.

Signed-off-by: wenxu <wenxu@ucloud.cn>
Acked-by: Roi Dayan <roid@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2020-01-22 22:28:29 -08:00
Chen Wandun
e15cf98ee8 net/mlx5: make the symbol 'ESW_POOLS' static
Fix the following sparse warning:
drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads_chains.c:35:20: warning: symbol 'ESW_POOLS' was not declared. Should it be static?

Fixes: 39ac237ce0 ("net/mlx5: E-Switch, Refactor chains and priorities")
Signed-off-by: Chen Wandun <chenwandun@huawei.com>
Acked-by: Paul Blakey <paulb@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2020-01-22 22:28:26 -08:00
Davide Caratti
a1718505d7 net/mlx5e: allow TSO on VXLAN over VLAN topologies
since mlx5 hardware can segment correctly TSO packets on VXLAN over VLAN
topologies, CPU usage can improve significantly if we enable tunnel
offloads in dev->vlan_features, like it was done in the past with other
NIC drivers (e.g. mlx4, be2net and ixgbe).

Signed-off-by: Davide Caratti <dcaratti@redhat.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2020-01-22 22:28:23 -08:00
Olof Johansson
ca9c74ae9b net/mlx5e: Fix printk format warning
Use "%zu" for size_t. Seen on ARM allmodconfig:

drivers/net/ethernet/mellanox/mlx5/core/wq.c: In function 'mlx5_wq_cyc_wqe_dump':
include/linux/kern_levels.h:5:18: warning: format '%ld' expects argument of type 'long int', but argument 5 has type 'size_t' {aka 'unsigned int'} [-Wformat=]

Fixes: 130c7b46c9 ("net/mlx5e: TX, Dump WQs wqe descriptors on CQE with error events")
Signed-off-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2020-01-22 22:28:20 -08:00
Heiner Kallweit
c5d19a6ecf net: convert additional drivers to use phy_do_ioctl
The first batch of driver conversions missed a few cases where we can
use phy_do_ioctl too.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-22 21:16:32 +01:00
Chen Zhou
d84b99ff69 drivers: net: declance: fix comparing pointer to 0
Fixes coccicheck warning:

./drivers/net/ethernet/amd/declance.c:611:14-15:
	WARNING comparing pointer to 0

Replace "skb == 0" with "!skb".

Signed-off-by: Chen Zhou <chenzhou10@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-21 12:04:57 +01:00
Huazhong Tan
60df7e91cc net: hns3: cleanup some coding style issue
This patch removes some unnecessary return value assignments,
some duplicated printing in the caller, refines the judgment
of 0 and uses le16_to_cpu to replace __le16_to_cpu.

Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-21 11:46:21 +01:00
Huazhong Tan
322cb97c07 net: hns3: remove redundant print on ENOMEM
All kmalloc-based functions print enough information on failures.
So this patch removes the log in hclge_get_dfx_reg() when returns
ENOMEM.

Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-21 11:46:21 +01:00
Guangbin Huang
e310532984 net: hns3: delete unnecessary blank line and space for cleanup
This patch deletes some unnecessary blank lines and spaces to clean up
code, and in hclgevf_set_vlan_filter() moves the comment to the front
of hclgevf_send_mbx_msg().

Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-21 11:46:21 +01:00
Yonglong Liu
6f8e330d27 net: hns3: rewrite a log in hclge_put_vector()
When gets vector fails, hclge_put_vector() should print out
the vector instead of vector_id in the log and return the wrong
vector_id to its caller.

Signed-off-by: Yonglong Liu <liuyonglong@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-21 11:46:21 +01:00
Guojia Liao
cdc37385e3 net: hns3: refine the input parameter 'size' for snprintf()
The function snprintf() writes at most size bytes (including the
terminating null byte ('\0') to str. Now, We can guarantee that the
parameter of size is lager than the length of str to be formatting
including its terminating null byte. So it's unnecessary to minus 1
for the input parameter 'size'.

Signed-off-by: Guojia Liao <liaoguojia@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-21 11:46:21 +01:00
Guojia Liao
9027d043fc net: hns3: move duplicated macro definition into header
Macro HCLGE_GET_DFX_REG_TYPE_CNT in hclge_dbg_get_dfx_bd_num()
and macro HCLGE_DFX_REG_BD_NUM in hclge_get_dfx_reg_bd_num()
have the same meaning, so just defines HCLGE_GET_DFX_REG_TYPE_CNT
in hclge_main.h.

Signed-off-by: Guojia Liao <liaoguojia@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-21 11:46:20 +01:00
Huazhong Tan
afb6afdb8d net: hns3: set VF's default reset_type to HNAE3_NONE_RESET
reset_type means what kind of reset the driver is handling now,
so after initializing or reset, the reset_type of VF should be
set to HNAE3_NONE_RESET, otherwise, this unknown default value
may be a little misleading when the device is running.

Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-21 11:46:20 +01:00
Yunsheng Lin
08bb3857c6 net: hns3: do not reuse pfmemalloc pages
HNS3 driver allocates pages for DMA with dev_alloc_pages(), which
calls alloc_pages_node() with the __GFP_MEMALLOC flag. So, in case
of OOM condition, HNS3 can get pages with pfmemalloc flag set.

So do not reuse the pages with pfmemalloc flag set because those
pages are reserved for special cases, such as low memory case.

Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-21 11:46:20 +01:00
Yunsheng Lin
09783d448b net: hns3: limit the error logging in the hns3_clean_tx_ring()
The error log printed by netdev_err() in the hns3_clean_tx_ring()
may spam the kernel log.

This patch uses hns3_rl_err() to ratelimit the error log in the
hns3_clean_tx_ring().

Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-21 11:46:20 +01:00
Heiner Kallweit
f1294617d2 net: convert suitable network drivers to use phy_do_ioctl
Convert suitable network drivers to use phy_do_ioctl.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-21 10:50:41 +01:00
Heiner Kallweit
3231e5d222 net: phy: rename phy_do_ioctl to phy_do_ioctl_running
We just added phy_do_ioctl, but it turned out that we need another
version of this function that doesn't check whether net_device is
running. So rename phy_do_ioctl to phy_do_ioctl_running.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-21 10:50:41 +01:00
Chen Zhou
bea5416561 net: hns3: replace snprintf with scnprintf in hns3_update_strings
snprintf returns the number of bytes that would be written, which may be
greater than the the actual length to be written. Here use extra code to
handle this.

scnprintf returns the number of bytes that was actually written, just use
scnprintf to simplify the code.

Signed-off-by: Chen Zhou <chenzhou10@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-21 10:48:40 +01:00
Chen Zhou
49e211c0e3 net: hns3: replace snprintf with scnprintf in hns3_dbg_cmd_read
The return value of snprintf may be greater than the size of
HNS3_DBG_READ_LEN, use scnprintf instead in hns3_dbg_cmd_read.

Signed-off-by: Chen Zhou <chenzhou10@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-21 10:48:17 +01:00
Jiri Pirko
3a3e627ce0 spectrum: Add a delayed work to update SPAN buffsize according to speed
When PUDE event is handled and the link is up, update the port SPAN
buffer size according to the current speed.

Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-20 13:25:46 +01:00
Jiri Pirko
ff9fdfec5f mlxsw: spectrum: Fix SPAN egress mirroring buffer size for Spectrum-2
For SPAN egress mirroring buffer size, it is needed to use a different
formula for Spectrum and Spectrum-2. Move the buffer size computation to
ops and implement new formula for Spectrum-2.

Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-20 13:25:46 +01:00
Jiri Pirko
31c25b9498 mlxsw: spectrum_span: Put buffsize update code into helper function
Avoid duplication of code that is doing buffsize update and put it into
a separate helper function.

Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-20 13:25:46 +01:00
Jiri Pirko
ac9cc4e250 mlxsw: spectrum: Push code getting port speed into a helper
Currently PTP code queries directly PTYS register for port speed from
work scheduled upon PUDE event. Since the speed needs to be used for
SPAN buffer size computation as well, push the code into a separate
helper.

Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-20 13:25:45 +01:00
Heiner Kallweit
df00718648 r8169: use generic ndo_do_ioctl handler phy_do_ioctl
Replace rtl8169_ioctl with new generic function phy_do_ioctl.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-20 10:43:24 +01:00
Dejin Zheng
a47b9e15c3 net: stmmac: modified pcs mode support for RGMII
snps databook noted that physical coding sublayer (PCS) interface
that can be used when the MAC is configured for the TBI, RTBI, or
SGMII PHY interface. we have RGMII and SGMII in a SoC and it also
has the PCS block. it needs stmmac_init_phy and stmmac_mdio_register
function for initializing phy when it used RGMII interface.

Signed-off-by: Dejin Zheng <zhengdejin5@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-20 09:43:18 +01:00
David S. Miller
b3f7e3f23a Merge ra.kernel.org:/pub/scm/linux/kernel/git/netdev/net 2020-01-19 22:10:04 +01:00
Amit Cohen
3aed0722f7 mlxsw: Add OVERLAY_SMAC_MC trap
Add a trap for NVE packets that the device decided to drop because their
overlay source MAC is multicast.

Signed-off-by: Amit Cohen <amitc@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-19 16:23:52 +01:00
Amit Cohen
a318bf621a mlxsw: Add tunnel devlink-trap support
Add the trap IDs and trap group used to report tunnel drops. Register
tunnel packet traps and associated tunnel trap group with devlink
during driver initialization.

Signed-off-by: Amit Cohen <amitc@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-19 16:23:52 +01:00
Amit Cohen
f528dfc460 mlxsw: spectrum_trap: Reorder cases according to enum order
Move L3_DROPS case to appear after L2_DROPS case.

Signed-off-by: Amit Cohen <amitc@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-19 16:23:52 +01:00
Amit Cohen
4a44ee67a7 mlxsw: Add ECN configurations with IPinIP tunnels
Initialize ECN mapping registers during router init according to
INET_ECN_encapsulate() and INET_ECN_decapsulate().

For IP-in-IP encapsulation, this is required to ensure that ECN bits in
the underlay are set in accordance with the kernel. For decapsulation,
this is required to ensure that packets with invalid ECN combination in
underlay and overlay are trapped to the kernel and not forwarded.

Signed-off-by: Amit Cohen <amitc@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-19 16:23:52 +01:00
Amit Cohen
839607e2ec mlxsw: reg: Add Tunneling IPinIP Decapsulation ECN Mapping Register
This register configures the actions that are done during IPinIP
decapsulation based on the ECN bits.

Signed-off-by: Amit Cohen <amitc@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-19 16:23:52 +01:00
Amit Cohen
20174900ad mlxsw: reg: Add Tunneling IPinIP Encapsulation ECN Mapping Register
This register performs mapping from overlay ECN to underlay ECN during
IPinIP encapsulation.

Signed-off-by: Amit Cohen <amitc@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-19 16:23:52 +01:00
Amit Cohen
196442ec5f mlxsw: Add NON_ROUTABLE trap
Add a trap for packets that the device decided to drop because they are
not supposed to be routed. For example, IGMP queries can be flooded by
the device in layer 2 and reach the router. Such packets should not be
routed and instead dropped.

Signed-off-by: Amit Cohen <amitc@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-19 16:23:52 +01:00
Amit Cohen
5b05162160 mlxsw: Add irif and erif disabled traps
IRIF_DISABLED and ERIF_DISABLED are driver specific traps. Packets are
dropped for these reasons when they need to be routed through/from
existing router interfaces (RIF) which are disabled.

Add devlink driver-specific traps and mlxsw trap IDs used to report
these traps.

Signed-off-by: Amit Cohen <amitc@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-19 16:23:52 +01:00
David S. Miller
95ae2d1d11 Merge branch 'for-net-next' of git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux
Saeed Mahameed says:

====================
Mellanox, mlx5 E-Switch chains and prios

This series has two parts,

1) A merge commit with mlx5-next branch that include updates for mlx5
HW layouts needed for this and upcoming submissions.

2) From Paul, Increase the number of chains and prios

Currently the Mellanox driver supports offloading tc rules that
are defined on the first 4 chains and the first 16 priorities.
The restriction stems from the firmware flow level enforcement
requiring a flow table of a certain level to point to a flow
table of a higher level. This limitation may be ignored by setting
the ignore_flow_level bit when creating flow table entries.
Use unmanaged tables and ignore flow level to create more tables than
declared by fs_core steering. Manually manage the connections between the
tables themselves.

HW table is instantiated for every tc <chain,prio> tuple. The miss rule
of every table either jumps to the next <chain,prio> table, or continues
to slow_fdb. This logic is realized by following this sequence:

1. Create an auto-grouped flow table for the specified priority with
    reserved entries

Reserved entries are allocated at the end of the flow table.
Flow groups are evaluated in sequence and therefore it is guaranteed
that the flow group defined on the last FTEs will be the last to evaluate.

Define a "match all" flow group on the reserved entries, providing
the platform to add table miss actions.

2. Set the miss rule action to jump to the next <chain,prio> table
    or the slow_fdb.

3. Link the previous priority table to point to the new table by
    updating its miss rule.

Please pull and let me know if there's any problem.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-19 16:17:07 +01:00
Rahul Lakkireddy
b2383ad987 cxgb4: reject overlapped queues in TC-MQPRIO offload
A queue can't belong to multiple traffic classes. So, reject
any such configuration that results in overlapped queues for a
traffic class.

Fixes: b1396c2bd6 ("cxgb4: parse and configure TC-MQPRIO offload")
Signed-off-by: Rahul Lakkireddy <rahul.lakkireddy@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-19 16:12:53 +01:00
Rahul Lakkireddy
c856e2b6fc cxgb4: fix Tx multi channel port rate limit
T6 can support 2 egress traffic management channels per port to
double the total number of traffic classes that can be configured.
In this configuration, if the class belongs to the other channel,
then all the queues must be bound again explicitly to the new class,
for the rate limit parameters on the other channel to take effect.

So, always explicitly bind all queues to the port rate limit traffic
class, regardless of the traffic management channel that it belongs
to. Also, only bind queues to port rate limit traffic class, if all
the queues don't already belong to an existing different traffic
class.

Fixes: 4ec4762d8e ("cxgb4: add TC-MATCHALL classifier egress offload")
Signed-off-by: Rahul Lakkireddy <rahul.lakkireddy@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-19 16:12:02 +01:00
Michael Chan
d061b2411d bnxt_en: Do not treat DSN (Digital Serial Number) read failure as fatal.
DSN read can fail, for example on a kdump kernel without PCIe extended
config space support.  If DSN read fails, don't set the
BNXT_FLAG_DSN_VALID flag and continue loading.  Check the flag
to see if the stored DSN is valid before using it.  Only VF reps
creation should fail without valid DSN.

Fixes: 03213a9965 ("bnxt: move bp->switch_id initialization to PF probe")
Reported-by: Marc Smith <msmith626@gmail.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-18 14:38:29 +01:00
Michael Chan
6fc7caa84e bnxt_en: Fix ipv6 RFS filter matching logic.
Fix bnxt_fltr_match() to match ipv6 source and destination addresses.
The function currently only checks ipv4 addresses and will not work
corrently on ipv6 filters.

Fixes: c0c050c58d ("bnxt_en: New Broadcom ethernet driver.")
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-18 14:38:29 +01:00
Michael Chan
ceb3284c58 bnxt_en: Fix NTUPLE firmware command failures.
The NTUPLE related firmware commands are sent to the wrong firmware
channel, causing all these commands to fail on new firmware that
supports the new firmware channel.  Fix it by excluding the 3
NTUPLE firmware commands from the list for the new firmware channel.

Fixes: 760b6d3341 ("bnxt_en: Add support for 2nd firmware message channel.")
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-18 14:38:29 +01:00
Colin Ian King
102d412a3d ice: remove redundant assignment to variable xmit_done
The variable xmit_done is being initialized with a value that is never
read and it is being updated later with a new value. The initialization
is redundant and can be removed.

Addresses-Coverity: ("Unused value")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-01-17 09:55:34 -08:00
Julio Faracco
ed5a3f664c ice: Removing hung_queue variable to use txqueue function parameter
The scope of function .ndo_tx_timeout was changed to include the hang
queue when a TX timeout event occurs. See commit 0290bd291c
("netdev: pass the stuck queue to the timeout handler") for more
details. Now, drivers don't need to identify which queue is stopped.
Drivers can simply use the queue index provided by dev_watchdog and
execute all actions needed to restore network traffic. This commit do
some cleanups into Intel ice driver to remove a redundant loop to find
stopped queue.

Signed-off-by: Julio Faracco <jcfaracco@gmail.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-01-17 09:55:34 -08:00
Julio Faracco
65279beec3 i40e: Removing hung_queue variable to use txqueue function parameter
The scope of function .ndo_tx_timeout was changed to include the hang
queue when a TX timeout event occurs. See commit 0290bd291c
("netdev: pass the stuck queue to the timeout handler") for more
details. Now, drivers don't need to identify which queue is stopped.
Drivers can simply use the queue index provided by dev_watchdog and
execute all actions needed to restore network traffic. This commit do
some cleanups into Intel i40e driver to remove a redundant loop to find
stopped queue.

Signed-off-by: Julio Faracco <jcfaracco@gmail.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-01-17 09:55:34 -08:00
Jacob Keller
2da259c5fe fm10k: use txqueue parameter in fm10k_tx_timeout
Make use of the new txqueue parameter to the .ndo_tx_timeout function.
In fm10k_tx_timeout, remove the now unnecessary loop to determine which
Tx queue is stuck. Instead, just double check the specified queue

This could be improved further to attempt resetting only the specific
queue that got stuck. However, that is a much larger refactor and has
been left as a future improvement.

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>
2020-01-17 09:55:34 -08:00
Sasha Neftin
bcb3244ccd igc: Add PHY power management control
PHY power management control should provide a reliable and accurate
indication of PHY reset completion and decrease the delay time
after a PHY reset

Signed-off-by: Sasha Neftin <sasha.neftin@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-01-17 09:55:34 -08:00
Sasha Neftin
f38b782dcc igc: Add support for TSO
TCP segmentation offload allows a device to segment a single frame
into multiple frames with a data payload size specified in socket buffer.
As a result we can now send data approximately up to seven percents fast
than was previously possible on my system.

Signed-off-by: Sasha Neftin <sasha.neftin@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-01-17 09:55:34 -08:00
Sasha Neftin
0e7d4b93b0 igc: Add SKU for i225 device
Add support for blank NVM SKU

Signed-off-by: Sasha Neftin <sasha.neftin@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-01-17 09:55:34 -08:00
Sasha Neftin
34e9c162f0 igc: Remove unused definition
Remove the unused IGC_FUNC_0 definition and make the code cleaner

Signed-off-by: Sasha Neftin <sasha.neftin@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-01-17 09:55:34 -08:00
Sasha Neftin
93d85dc565 igc: Fix typo in a comment
Fix typo in a context descriptor comment

Signed-off-by: Sasha Neftin <sasha.neftin@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-01-17 09:55:34 -08:00
Florian Fainelli
5a9ef19454 net: systemport: Fixed queue mapping in internal ring map
We would not be transmitting using the correct SYSTEMPORT transmit queue
during ndo_select_queue() which looks up the internal TX ring map
because while establishing the mapping we would be off by 4, so for
instance, when we populate switch port mappings we would be doing:

switch port 0, queue 0 -> ring index #0
switch port 0, queue 1 -> ring index #1
...
switch port 0, queue 3 -> ring index #3
switch port 1, queue 0 -> ring index #8 (4 + 4 * 1)
...

instead of using ring index #4. This would cause our ndo_select_queue()
to use the fallback queue mechanism which would pick up an incorrect
ring for that switch port. Fix this by using the correct switch queue
number instead of SYSTEMPORT queue number.

Fixes: 25c4407046 ("net: systemport: Simplify queue mapping logic")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-17 13:31:14 +01:00
Vladimir Oltean
90f29f0ead enetc: Don't print from enetc_sched_speed_set when link goes down
It is not an error to unplug a cable from the ENETC port even with TSN
offloads, so don't spam the log with link-related messages from the
tc-taprio offload subsystem, a single notification is sufficient:

[10972.351859] fsl_enetc 0000:00:00.0 eno0: Qbv PSPEED set speed link down.
[10972.360241] fsl_enetc 0000:00:00.0 eno0: Link is Down

Fixes: 2e47cb415f ("enetc: update TSN Qbv PSPEED set according to adjust link speed")
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-17 11:48:38 +01:00
Yonglong Liu
49edd6a2c4 net: hns: fix soft lockup when there is not enough memory
When there is not enough memory and napi_alloc_skb() return NULL,
the HNS driver will print error message, and than try again, if
the memory is not enough for a while, huge error message and the
retry operation will cause soft lockup.

When napi_alloc_skb() return NULL because of no memory, we can
get a warn_alloc() call trace, so this patch deletes the error
message. We already use polling mode to handle irq, but the
retry operation will render the polling weight inactive, this
patch just return budget when the rx is not completed to avoid
dead loop.

Fixes: 36eedfde1a ("net: hns: Optimize hns_nic_common_poll for better performance")
Fixes: b5996f11ea ("net: add Hisilicon Network Subsystem basic ethernet support")
Signed-off-by: Yonglong Liu <liuyonglong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-17 11:19:12 +01:00
Paul Blakey
278d51f243 net/mlx5: E-Switch, Increase number of chains and priorities
Increase the number of chains and priorities to support
the whole range available in tc.

We use unmanaged tables and ignore flow level to create more
tables than what we declared to fs_core steering, and we manage
the connections between the tables themselves.

To support that we need FW with ignore_flow_level capability.
Otherwise the old behaviour will be used, where we are limited
by the number of levels we declared (4 chains, 16 prios).

Signed-off-by: Paul Blakey <paulb@mellanox.com>
Reviewed-by: Roi Dayan <roid@mellanox.com>
Reviewed-by: Oz Shlomo <ozsh@mellanox.com>
Reviewed-by: Mark Bloch <markb@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2020-01-16 15:48:58 -08:00
Paul Blakey
39ac237ce0 net/mlx5: E-Switch, Refactor chains and priorities
To support the entire chain and prio range (32bit + 16bit),
instead of a using a static array of chains/prios of limited size, create
them dynamically, and use a rhashtable to search for existing chains/prio
combinations.

This will be used in next patch to actually increase the number using
unamanged tables support and ignore flow level capability.

Signed-off-by: Paul Blakey <paulb@mellanox.com>
Reviewed-by: Roi Dayan <roid@mellanox.com>
Reviewed-by: Oz Shlomo <ozsh@mellanox.com>
Reviewed-by: Mark Bloch <markb@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2020-01-16 15:48:58 -08:00
Paul Blakey
82270e1254 net/mlx5: ft: Check prio and chain sanity for ft offload
Before changing the chain from original chain to ft offload chain,
make sure user doesn't actually use chains.

While here, normalize the prio range to that which we support.

Signed-off-by: Paul Blakey <paulb@mellanox.com>
Reviewed-by: Roi Dayan <roid@mellanox.com>
Reviewed-by: Mark Bloch <markb@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2020-01-16 15:48:58 -08:00
Paul Blakey
e66cbc961c net/mlx5: ft: Use getter function to get ft chain
FT chain is defined as the next chain after tc.

To prepare for next patches that will increase the number of tc
chains available at runtime, use a getter function to get this
value.

The define is still used in static fs_core allocation,
to calculate the number of chains. This static allocation
will be used if the relevant capabilities won't be available
to support dynamic chains.

Signed-off-by: Paul Blakey <paulb@mellanox.com>
Reviewed-by: Roi Dayan <roid@mellanox.com>
Reviewed-by: Mark Bloch <markb@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2020-01-16 15:48:58 -08:00
Paul Blakey
79cdb0aaea net/mlx5: Allow creating autogroups with reserved entries
Exclude the last n entries for an autogrouped flow table.

Reserving entries at the end of the FT will ensure that this FG will be
the last to be evaluated. This will be used in the next patch to create
a miss group enabling custom actions on FT miss.

Signed-off-by: Paul Blakey <paulb@mellanox.com>
Reviewed-by: Roi Dayan <roid@mellanox.com>
Reviewed-by: Oz Shlomo <ozsh@mellanox.com>
Reviewed-by: Mark Bloch <markb@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2020-01-16 15:48:58 -08:00
Paul Blakey
ff189b4356 net/mlx5: Add ignore level support fwd to table rules
If user sets ignore flow level flag on a rule, that rule can point to
a flow table of any level, including those with levels equal or less
than the level of the flow table it is added on.

This with unamanged tables will be used to create a FDB chain/prio
hierarchy much larger than currently supported level range.

Signed-off-by: Paul Blakey <paulb@mellanox.com>
Reviewed-by: Mark Bloch <markb@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2020-01-16 15:48:58 -08:00
Paul Blakey
5281a0c909 net/mlx5: fs_core: Introduce unmanaged flow tables
Currently, Most of the steering tree is statically declared ahead of time,
with steering prios instances allocated for each fdb chain to assign max
number of levels for each of them. This allows fs_core to manage the
connections and  levels of the flow tables hierarcy to prevent loops, but
restricts us with the number of supported chains and priorities.

Introduce unmananged flow tables, allowing the user to manage the flow
table connections. A unamanged table is detached from the fs_core flow
table hierarcy, and is only connected back to the hierarchy by explicit
FTEs forward actions.

This will be used together with firmware that supports ignoring the flow
table levels to increase the number of supported chains and prios.

Signed-off-by: Paul Blakey <paulb@mellanox.com>
Reviewed-by: Roi Dayan <roid@mellanox.com>
Reviewed-by: Oz Shlomo <ozsh@mellanox.com>
Reviewed-by: Mark Bloch <markb@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2020-01-16 15:48:58 -08:00
Saeed Mahameed
12e9e0d0d9 Merge branch 'mlx5-next' of git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux
This merge syncs with mlx5-next latest HW bits and layout updates for next
features, in addition one patch that improves
mlx5_create_auto_grouped_flow_table() API across all mlx5 users.

* 'mlx5-next' of git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux:
  net/mlx5: Refactor mlx5_create_auto_grouped_flow_table
  net/mlx5e: Add discard counters per priority
  net/mlx5e: Expose FEC feilds and related capability bit
  net/mlx5: Add mlx5_ifc definitions for connection tracking support
  net/mlx5: Add copy header action struct layout
  net/mlx5: Expose resource dump register mapping
  net/mlx5: Add structures and defines for MIRC register
  net/mlx5: Read MCAM register groups 1 and 2
  net/mlx5: Add structures layout for new MCAM access reg groups
  net/mlx5: Expose vDPA emulation device capabilities
  net/mlx5: Add Virtio Emulation related device capabilities

Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2020-01-16 15:48:24 -08:00
Paul Blakey
61dc7b0141 net/mlx5: Refactor mlx5_create_auto_grouped_flow_table
Refactor mlx5_create_auto_grouped_flow_table() to use ft_attr param
which already carries the max_fte, prio and flags memebers, and is
used the same in similar mlx5_create_flow_table() function.

Signed-off-by: Paul Blakey <paulb@mellanox.com>
Reviewed-by: Roi Dayan <roid@mellanox.com>
Reviewed-by: Oz Shlomo <ozsh@mellanox.com>
Reviewed-by: Mark Bloch <markb@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2020-01-16 15:41:59 -08:00
Aharon Landau
827a8cb2dd net/mlx5e: Add discard counters per priority
Add counters that count (per priority) the number of received
packets that dropped due to lack of buffers on a physical port. If
this counter is increasing, it implies that the adapter is
congested and cannot absorb the traffic coming from the network.

Signed-off-by: Aharon Landau <aharonl@mellanox.com>
Reviewed-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2020-01-16 14:11:33 -08:00
Eran Ben Elisha
932ef15511 net/mlx5: Read MCAM register groups 1 and 2
On load, Driver caches MCAM (Management Capabilities Mask Register)
registers. in addition to the only MCAM register group (0) the driver
already reads, here we add support for reading groups 1 and 2.

Signed-off-by: Eran Ben Elisha <eranbe@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2020-01-16 14:11:19 -08:00
Olof Johansson
a9e3e12f3f NXP/FSL SoC driver updates for v5.6
QUICC Engine drivers
 - Improve the QE drivers to be compatible with ARM/ARM64/PPC64
 architectures
 - Various cleanups to the QE drivers
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Merge tag 'soc-fsl-next-v5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/leo/linux into arm/drivers

NXP/FSL SoC driver updates for v5.6

QUICC Engine drivers
- Improve the QE drivers to be compatible with ARM/ARM64/PPC64
architectures
- Various cleanups to the QE drivers

* tag 'soc-fsl-next-v5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/leo/linux: (49 commits)
  soc: fsl: qe: remove set but not used variable 'mm_gc'
  soc: fsl: qe: remove PPC32 dependency from CONFIG_QUICC_ENGINE
  soc: fsl: qe: remove unused #include of asm/irq.h from ucc.c
  net: ethernet: freescale: make UCC_GETH explicitly depend on PPC32
  net/wan/fsl_ucc_hdlc: reject muram offsets above 64K
  net/wan/fsl_ucc_hdlc: fix reading of __be16 registers
  net/wan/fsl_ucc_hdlc: avoid use of IS_ERR_VALUE()
  soc: fsl: qe: avoid IS_ERR_VALUE in ucc_fast.c
  soc: fsl: qe: drop pointless check in qe_sdma_init()
  soc: fsl: qe: drop use of IS_ERR_VALUE in qe_sdma_init()
  soc: fsl: qe: avoid IS_ERR_VALUE in ucc_slow.c
  soc: fsl: qe: refactor cpm_muram_alloc_common to prevent BUG on error path
  soc: fsl: qe: drop broken lazy call of cpm_muram_init()
  soc: fsl: qe: make cpm_muram_free() ignore a negative offset
  soc: fsl: qe: make cpm_muram_free() return void
  soc: fsl: qe: change return type of cpm_muram_alloc() to s32
  serial: ucc_uart: access __be32 field using be32_to_cpu
  serial: ucc_uart: limit brg-frequency workaround to PPC32
  serial: ucc_uart: use of_property_read_u32() in ucc_uart_probe()
  serial: ucc_uart: stub out soft_uart_init for !CONFIG_PPC32
  ...

Link: https://lore.kernel.org/r/1578608351-23289-1-git-send-email-leoyang.li@nxp.com
Signed-off-by: Olof Johansson <olof@lixom.net>
2020-01-16 12:47:13 -08:00
Kunihiko Hayashi
82d5d6a638 net: ethernet: ave: Avoid lockdep warning
When building with PROVE_LOCKING=y, lockdep shows the following
dump message.

    INFO: trying to register non-static key.
    the code is fine but needs lockdep annotation.
    turning off the locking correctness validator.
     ...

Calling device_set_wakeup_enable() directly occurs this issue,
and it isn't necessary for initialization, so this patch creates
internal function __ave_ethtool_set_wol() and replaces with this
in ave_init() and ave_resume().

Fixes: 7200f2e3c9 ("net: ethernet: ave: Set initial wol state to disabled")
Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-16 13:28:39 +01:00
Yunsheng Lin
36c67349a1 net: hns3: pad the short frame before sending to the hardware
The hardware can not handle short frames below or equal to 32
bytes according to the hardware user manual, and it will trigger
a RAS error when the frame's length is below 33 bytes.

This patch pads the SKB when skb->len is below 33 bytes before
sending it to hardware.

Fixes: 76ad4f0ee7 ("net: hns3: Add support of HNS3 Ethernet Driver for hip08 SoC")
Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-16 13:18:51 +01:00
YueHaibing
6bc8038035 sfc: remove duplicated include from efx.c
Remove duplicated include.

Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-16 10:06:18 +01:00
Jose Abreu
4eee13f14d net: stmmac: selftests: Guard VLAN Perfect test against non supported HW
When HW does not support perfect filtering the feature will not be
enabled in the net_device. Add a check for this to prevent failures.

Fixes: 1b2250a04c ("net: stmmac: selftests: Add tests for VLAN Perfect Filtering")
Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-15 23:11:18 +01:00
Jose Abreu
d39b68e5a7 net: stmmac: selftests: Mark as fail when received VLAN ID != expected
When the VLAN ID does not match the expected one it means filter failed
in HW. Fix it.

Fixes: 94e1838200 ("net: stmmac: selftests: Add selftest for VLAN TX Offload")
Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-15 23:11:18 +01:00
Jose Abreu
0b9f932edc net: stmmac: selftests: Make it work in Synopsys AXS101 boards
Synopsys AXS101 boards do not support unaligned memory loads or stores.
Change the selftests mechanism to explicity:
- Not add extra alignment in TX SKB
- Use the unaligned version of ether_addr_equal()

Fixes: 091810dbde ("net: stmmac: Introduce selftests support")
Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-15 23:11:18 +01:00
Petr Machata
85005b82e5 mlxsw: spectrum_qdisc: Include MC TCs in Qdisc counters
mlxsw configures Spectrum in such a way that BUM traffic is passed not
through its nominal traffic class TC, but through its MC counterpart TC+8.
However, when collecting statistics, Qdiscs only look at the nominal TC and
ignore the MC TC.

Add two helpers to compute the value for logical TC from the constituents,
one for backlog, the other for tail drops. Use them throughout instead of
going through the xstats pointer directly.

Counters for TX bytes and packets are deduced from packet priority
counters, and therefore already include BUM traffic. wred_drop counter is
irrelevant on MC TCs, because RED is not enabled on them.

Fixes: 7b81953066 ("mlxsw: spectrum: Configure MC-aware mode on mlxsw ports")
Signed-off-by: Petr Machata <petrm@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-15 04:16:30 -08:00
Petr Machata
ca7609ff36 mlxsw: spectrum: Wipe xstats.backlog of down ports
Per-port counter cache used by Qdiscs is updated periodically, unless the
port is down. The fact that the cache is not updated for down ports is no
problem for most counters, which are relative in nature. However, backlog
is absolute in nature, and if there is a non-zero value in the cache around
the time that the port goes down, that value just stays there. This value
then leaks to offloaded Qdiscs that report non-zero backlog even if
there (obviously) is no traffic.

The HW does not keep backlog of a downed port, so do likewise: as the port
goes down, wipe the backlog value from xstats.

Fixes: 075ab8adaf ("mlxsw: spectrum: Collect tclass related stats periodically")
Signed-off-by: Petr Machata <petrm@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-15 04:16:30 -08:00
Ido Schimmel
63963d0f9d mlxsw: switchx2: Do not modify cloned SKBs during xmit
The driver needs to prepend a Tx header to each packet it is
transmitting. The header includes information such as the egress port
and traffic class.

The addition of the header requires the driver to modify the SKB's
header and therefore it must not be shared. Otherwise, we risk hitting
various race conditions.

For example, when a packet is flooded (cloned) by the bridge driver to
two switch ports swp1 and swp2:

t0 - mlxsw_sp_port_xmit() is called for swp1. Tx header is prepended with
     swp1's port number
t1 - mlxsw_sp_port_xmit() is called for swp2. Tx header is prepended with
     swp2's port number, overwriting swp1's port number
t2 - The device processes data buffer from t0. Packet is transmitted via
     swp2
t3 - The device processes data buffer from t1. Packet is transmitted via
     swp2

Usually, the device is fast enough and transmits the packet before its
Tx header is overwritten, but this is not the case in emulated
environments.

Fix this by making sure the SKB's header is writable by calling
skb_cow_head(). Since the function ensures we have headroom to push the
Tx header, the check further in the function can be removed.

v2:
* Use skb_cow_head() instead of skb_unshare() as suggested by Jakub
* Remove unnecessary check regarding headroom

Fixes: 31557f0f97 ("mlxsw: Introduce Mellanox SwitchX-2 ASIC support")
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Reported-by: Shalom Toledo <shalomt@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-15 04:16:30 -08:00
Ido Schimmel
2da51ce75d mlxsw: spectrum: Do not modify cloned SKBs during xmit
The driver needs to prepend a Tx header to each packet it is
transmitting. The header includes information such as the egress port
and traffic class.

The addition of the header requires the driver to modify the SKB's
header and therefore it must not be shared. Otherwise, we risk hitting
various race conditions.

For example, when a packet is flooded (cloned) by the bridge driver to
two switch ports swp1 and swp2:

t0 - mlxsw_sp_port_xmit() is called for swp1. Tx header is prepended with
     swp1's port number
t1 - mlxsw_sp_port_xmit() is called for swp2. Tx header is prepended with
     swp2's port number, overwriting swp1's port number
t2 - The device processes data buffer from t0. Packet is transmitted via
     swp2
t3 - The device processes data buffer from t1. Packet is transmitted via
     swp2

Usually, the device is fast enough and transmits the packet before its
Tx header is overwritten, but this is not the case in emulated
environments.

Fix this by making sure the SKB's header is writable by calling
skb_cow_head(). Since the function ensures we have headroom to push the
Tx header, the check further in the function can be removed.

v2:
* Use skb_cow_head() instead of skb_unshare() as suggested by Jakub
* Remove unnecessary check regarding headroom

Fixes: 56ade8fe3f ("mlxsw: spectrum: Add initial support for Spectrum ASIC")
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Reported-by: Shalom Toledo <shalomt@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-15 04:16:30 -08:00
Ido Schimmel
d58c35ca52 mlxsw: spectrum: Do not enforce same firmware version for multiple ASICs
In commit a72afb6879 ("mlxsw: Enforce firmware version for
Spectrum-2") I added a required firmware version for Spectrum-2, but
missed the fact that mlxsw_sp2_init() is used by both Spectrum-2 and
Spectrum-3. This means that the same firmware version will be used for
both, which is wrong.

Fix this by creating a new init() callback for Spectrum-3.

Fixes: a72afb6879 ("mlxsw: Enforce firmware version for Spectrum-2")
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Tested-by: Shalom Toledo <shalomt@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-15 04:16:30 -08:00
Ido Schimmel
ee5a0448e7 mlxsw: spectrum_router: Set hardware flags for routes
Previous patches added support for two hardware flags for IPv4 and IPv6
routes: 'RTM_F_OFFLOAD' and 'RTM_F_TRAP'. Both indicate the presence of
the route in hardware. The first indicates that traffic is actually
offloaded from the kernel, whereas the second indicates that packets
hitting such routes are trapped to the kernel for processing (e.g., host
routes).

Use these two flags in mlxsw. The flags are modified in two places.
Firstly, whenever a route is updated in the device's table. This
includes the addition, deletion or update of a route. For example, when
a host route is promoted to perform NVE decapsulation, its action in the
device is updated, the 'RTM_F_OFFLOAD' flag set and the 'RTM_F_TRAP'
flag cleared.

Secondly, when a route is replaced and overwritten by another route, its
flags are cleared.

v2:
* Convert to new fib_alias_hw_flags_set() interface

Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-14 18:53:35 -08:00
Ido Schimmel
8c5a5b9b91 mlxsw: spectrum_router: Separate nexthop offload indication from route
The driver currently uses the 'RTNH_F_OFFLOAD' flag for both routes and
nexthops, which is cumbersome and unnecessary now that we have separate
flag for the route itself.

Separate the offload indication for nexthops from routes and call it
whenever the offload state within the nexthop group changes.

Note that IPv6 (unlike IPv4) does not share the same nexthop group
between different routes, whereas mlxsw does. Therefore, whenever the
offload indication within an IPv6 nexthop group changes, all the linked
routes need to be updated.

Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-14 18:53:35 -08:00
Lorenzo Bianconi
8c4df83fbe net: mvneta: fix dma sync size in mvneta_run_xdp
Page pool API will start syncing (if requested) starting from
page->dma_addr + pool->p.offset. Fix dma sync length in
mvneta_run_xdp since we do not need to account xdp headroom

Fixes: 07e13edbb6 ("net: mvneta: get rid of huge dma sync in mvneta_rx_refill")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Acked-by: Jesper Dangaard Brouer <brouer@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-14 18:48:08 -08:00
Lorenzo Bianconi
0fadc0a2b1 net: socionext: get rid of huge dma sync in netsec_alloc_rx_data
Socionext driver can run on dma coherent and non-coherent devices.
Get rid of huge dma_sync_single_for_device in netsec_alloc_rx_data since
now the driver can let page_pool API to managed needed DMA sync

Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Acked-by: Jesper Dangaard Brouer <brouer@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-14 18:46:14 -08:00
Milind Parab
fd2a89146a net: macb: fix for fixed-link mode
This patch fix the issue with fixed link. With fixed-link
device opening fails due to macb_phylink_connect not
handling fixed-link mode, in which case no MAC-PHY connection
is needed and phylink_connect return success (0), however
in current driver attempt is made to search and connect to
PHY even for fixed-link.

Fixes: 7897b071ac ("net: macb: convert to phylink")
Signed-off-by: Milind Parab <mparab@cadence.com>
Reviewed-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-01-13 18:37:42 -08:00
Jose Abreu
28c1cf73c9 net: stmmac: selftests: Add a test for TBS feature
Add a new test for TBS feature which is used in ETF scheduler. In this
test, we send a packet with a launch time specified as now + 500ms and
check if the packet was transmitted on that time frame.

Changes from v2:
- Use the TBS bitfield
- Remove debug message

Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-01-13 18:31:49 -08:00
Jose Abreu
05373e31ba net: stmmac: selftests: Switch to dev_direct_xmit()
In the upcoming commit for TBS selftest we will need to send a packet on
a specific Queue. As stmmac fallsback to netdev_pick_tx() on the select
Queue callback, we need to switch all selftests logic to
dev_direct_xmit() so that we can send the given SKB on a specific Queue.

Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-01-13 18:31:48 -08:00
Jose Abreu
44e6547570 net: stmmac: Add missing information in DebugFS capabilities file
Adds more information regarding HW Capabilities in the corresponding
DebugFS file.

Changes from v2:
- Remove the TX/RX queues in use (Jakub)

Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-01-13 18:31:48 -08:00
Jose Abreu
7eadf57290 net: stmmac: pci: Enable TBS on GMAC5 IPK PCI entry
Enable TBS support on GMAC5 PCI entry for all Queues except Queue 0.

Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-01-13 18:31:48 -08:00
Jose Abreu
58ae928140 net: stmmac: gmac4+: Add TBS support
Adds all the necessary HW hooks to support TBS feature in QoS cores.

Changes from v1:
- Remove unneeded LT shift as the IP already does this.

Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-01-13 18:31:48 -08:00
Jose Abreu
6a549b9f0d net: stmmac: xgmac: Add TBS support
Adds all the necessary HW hooks to support TBS feature in XGMAC cores.

Changes from v1:
- Remove unneeded LT shift as the IP already does this.

Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-01-13 18:31:48 -08:00
Jose Abreu
430b383c73 net: stmmac: tc: Add support for ETF Scheduler using TBS
Adds the support for ETF scheduler using TBS feature which is available
in XGMAC and QoS IPs.

Changes from v2:
- Fix checkpatch issues (Jakub)
- Use the TBS bitfield

Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-01-13 18:31:48 -08:00
Jose Abreu
579a25a854 net: stmmac: Initial support for TBS
Adds the initial hooks for TBS support. This needs a 32 byte descriptor
in order for it to work with current HW. Adds all the logic for Enhanced
Descriptors in main core but no HW related logic for now.

Changes from v2:
- Use bitfield for TBS status / support (Jakub)
- Remove unneeded cache alignment (Jakub)
- Fix checkpatch issues

Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-01-13 18:31:48 -08:00
Chen Zhou
ab9837b5ed amd-xgbe: remove unnecessary conversion to bool
The conversion to bool is not needed, remove it.

Signed-off-by: Chen Zhou <chenzhou10@huawei.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-01-13 18:22:17 -08:00
Lorenzo Bianconi
1657adccaa net: mvneta: change page pool nid to NUMA_NO_NODE
With 'commit 44768decb7 ("page_pool: handle page recycle for NUMA_NO_NODE
condition")' we can safely change nid to NUMA_NO_NODE and accommodate
future NUMA aware hardware using mvneta network interface

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Acked-by: Jesper Dangaard Brouer <brouer@redhat.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-01-13 18:14:01 -08:00
Zhang Xiaoxu
428cd52324 sfc/ethtool_common: Make some function to static
Fix sparse warning:

drivers/net/ethernet/sfc/ethtool_common.c
  warning: symbol 'efx_fill_test' was not declared. Should it be static?
  warning: symbol 'efx_fill_loopback_test' was not declared.
           Should it be static?
  warning: symbol 'efx_describe_per_queue_stats' was not declared.
           Should it be static?

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Zhang Xiaoxu <zhangxiaoxu5@huawei.com>
Reviewed-by: Martin Habets <mhabets@solarflare.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-01-13 06:00:43 -08:00
Geert Uytterhoeven
e07c5f2e4e net: amd: a2065: Use print_hex_dump_debug() helper
Use the print_hex_dump_debug() helper, instead of open-coding the same
operations.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-01-12 16:20:26 -08:00
Geert Uytterhoeven
2412643a9b net: amd: a2065: Kill Sun LANCE relics
Remove unused fields, copied from the Sun LANCE driver eons ago.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-01-12 16:16:43 -08:00
Linus Walleij
e45d0fad4a net: ethernet: ixp4xx: Use parent dev for DMA pool
Use the netdevice struct device .parent field when calling
dma_pool_create(): the .dma_coherent_mask and .dma_mask
pertains to the bus device on the hardware (platform)
bus in this case, not the struct device inside the network
device. This makes the pool allocation work.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-01-12 12:59:53 -08:00
Linus Walleij
f458ac4797 ARM/net: ixp4xx: Pass ethernet physical base as resource
In order to probe this ethernet interface from the device tree
all physical MMIO regions must be passed as resources. Begin
this rewrite by first passing the port base address as a
resource for all platforms using this driver, remap it in
the driver and avoid using any reference of the statically
mapped virtual address in the driver.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-01-12 12:59:53 -08:00
Linus Walleij
3cb5b0ee72 net: ehernet: ixp4xx: Use netdev_* messages
Simplify and correct a bunch of messages using printk
directly to use the netdev_* macros. I have not changed
all of them, just the low-hanging fruit.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-01-12 12:59:53 -08:00
Linus Walleij
d813d7e570 net: ethernet: ixp4xx: Use distinct local variable
Use "ndev" for the struct net_device and "dev" for the
struct device in probe() and remove(). Add the local
"dev" pointer for later use in refactoring.

Take this opportunity to fix inverse christmas tree
coding style.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-01-12 12:59:53 -08:00
Linus Walleij
c83db9ef56 net: ethernet: ixp4xx: Standard module init
The IXP4xx driver was initializing the MDIO bus before even
probing, in the callbacks supposed to be used for setting up
the module itself, and with the side effect of trying to
register the MDIO bus as soon as this module was loaded or
compiled into the kernel whether the device was discovered
or not.

This does not work with multiplatform environments.

To get rid of this: set up the MDIO bus from the probe()
callback and remove it in the remove() callback. Rename
the probe() and remove() calls to reflect the most common
conventions.

Since there is a bit of checking for the ethernet feature
to be present in the MDIO registering function, making the
whole module not even be registered if we can't find an
MDIO bus, we need something similar: register the MDIO
bus when the corresponding ethernet is probed, and
return -EPROBE_DEFER on the other interfaces until this
happens. If no MDIO bus is present on any of the
registered interfaces we will eventually bail out.

None of the platforms I've seen has e.g. MDIO on EthB
and only uses EthC, there is always a Ethernet hardware
on the NPE (B, C) that has the MDIO bus, we just might
have to wait for it.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-01-12 12:59:53 -08:00
Arnd Bergmann
a41a5b26d2 ixp4xx_eth: move platform_data definition
The platform data is needed to compile the driver as standalone,
so move it to a global location along with similar files.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-01-12 12:59:53 -08:00
Arnd Bergmann
2785543fbf ptp: ixp46x: move adjacent to ethernet driver
The ixp46x ptp driver has a somewhat unusual setup, where the ptp
driver and the ethernet driver are in different directories but
access the same registers that are defined a platform specific
header file.

Moving everything into drivers/net/ makes it look more like most
other ptp drivers and allows compile-testing this driver on
other targets.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-01-12 12:59:52 -08:00
Huazhong Tan
c7554dcd6d net: hns3: refactor the notification scheme of PF reset
hclge_reset_prepare_down() is only used to inform VF that PF is
going to do function reset, then using hclge_func_reset_sync_vf()
in hclge_reset_prepare_wait() to query whether VF is ready before
asserting PF function reset. To make the code more readable,
this patch uses a new function hclge_function_reset_notify_vf()
to do this job.

Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-11 14:52:23 -08:00
Huazhong Tan
c3106cac2a net: hns3: modify hclge_func_reset_sync_vf()'s return type to void
When synchronizes with VFs fail before PF function reset,
PF driver should go on its function reset, otherwise it
can not run normally anymore. So, hclge_func_reset_sync_vf()
should not affect the processing of PF reset, this patch
modifies its return type to void.

Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-11 14:52:23 -08:00
Huazhong Tan
5bb784e973 net: hns3: enlarge HCLGE_RESET_WAIT_CNT
When the load of firmware is high, its reset task may takes
more time(which will be as long as 35 seconds). So this
patch modifies HCLGE_RESET_WAIT_CNT to match the firmware's.

Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-11 14:52:23 -08:00
Huazhong Tan
f28368bb45 net: hns3: refactor the procedure of VF FLR
Currently, the actual work of VF FLR is handled in the reset task,
which is asynchronous. So in some case, if the preparing and
rebuilding are not done, then the VF FLR will trigger some problems,
for example, makes hardware go into chaos.

So this patch separates the process of VF FLR from reset task, and
adds a semaphore to serialize this reset and others.

When FLR's preparing fails, if there has other higher level reset
pending or failing times less than the HCLGE_FLR_RETRY_CNT, this
preparing should be retried, otherwise it will get into a wrong state.

BTW, while the hardware reports misc interrupt during pcie_flr(),
the driver can not receive this interrupt anymore, so disable it
when hclgevf_flr_prepare() return, and re-enable it when enter
hclgevf_flr_done().

Avoid declaring internal function hclgevf_enable_vector(), this patch
also moves its definition forward, and removes unused enum
hnae3_flr_state.

Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-11 14:52:22 -08:00
Huazhong Tan
8627bdedc4 net: hns3: refactor the precedure of PF FLR
Currently, the actual work of PF FLR is handled in the reset task,
which is asynchronous. So in some case, if the preparing and
rebuilding are not done, then the PF FLR will trigger some problems,
for example, makes hardware go into chaos.

So this patch separates the process of PF FLR from reset task, and
adds a semaphore to serialize this reset and others.

When FLR's preparing fails, if there has other higher level reset
pending or failing times less than the HCLGE_FLR_RETRY_CNT, this
preparing should be retried, otherwise PF and its VF may get into
wrong state.

BTW, while the hardware reports misc interrupt during pcie_flr(),
the driver can not receive this interrupt anymore, so disable it
when hclge_flr_prepare() return, and re-enable it when enter
hclge_flr_done().

Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-11 14:52:22 -08:00
Huazhong Tan
1cc9bc6e58 net: hns3: split hclgevf_reset() into preparing and rebuilding part
hclgevf_reset() is a little bloated, and the process of VF FLR will
be separated from the reset task later. So this patch splits
hclgevf_reset() into hclgevf_reset_prepare() and hclge_reset_rebuild(),
then FLR can also reuse these two functions. Also moves HNAE3_UP_CLIENT
into hclgevf_reset_stack().

Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-11 14:52:22 -08:00
Huazhong Tan
d4fa06562a net: hns3: split hclge_reset() into preparing and rebuilding part
hclge_reset() is a little bloated, and the process of PF FLR will
be separated from the reset task later. So this patch splits
hclge_reset() into hclge_reset_prepare() and hclge_reset_rebuild(),
then FLR can also reuse these two functions.

BTW, since hclge_clear_reset_cause() and hclge_reset_prepare_up()
will not affect the device, so in hclge_reset_rebuild(), these
functions are called without rtnl_lock.

Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-11 14:52:22 -08:00
Jacob Keller
b0efcae5e1 devlink: correct misspelling of snapshot
The function to obtain a unique snapshot id was mistakenly typo'd as
devlink_region_shapshot_id_get. Fix this typo by renaming the function
and all of its users.

Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-11 14:30:24 -08:00
YueHaibing
6821af8b78 sfc: remove set but not used variable 'nic_data'
Fixes gcc '-Wunused-but-set-variable' warning:

drivers/net/ethernet/sfc/mcdi_functions.c: In function 'efx_mcdi_ev_init':
drivers/net/ethernet/sfc/mcdi_functions.c:79:28: warning:
 variable 'nic_data' set but not used [-Wunused-but-set-variable]

commit 4438b587fe ("sfc: move MCDI event queue management code")
introduces this unused variable.

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-10 23:15:28 -08:00
YueHaibing
de4ff8341f sfc: remove duplicated include from ef10.c
Remove duplicated include.

Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Acked-by: Edward Cree <ecree@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-10 23:10:20 -08:00
Jonathan Lemon
3071c51783 bnxt: Detach page from page pool before sending up the stack
When running in XDP mode, pages come from the page pool, and should
be freed back to the same pool or specifically detached.  Currently,
when the driver re-initializes, the page pool destruction is delayed
forever since it thinks there are oustanding pages.

Fixes: 322b87ca55 ("bnxt_en: add page_pool support")
Signed-off-by: Jonathan Lemon <jonathan.lemon@gmail.com>
Reviewed-by: Andy Gospodarek <gospo@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-10 23:03:44 -08:00
Heiner Kallweit
814c2bfd4f r8169: factor out PHY configuration to r8169_phy_config.c
Move chip-specific PHY configurations to separate source file
r8169_phy_config.c. This improves maintainability of the driver.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-10 16:41:35 -08:00
Heiner Kallweit
2992bdfa4a r8169: add r8169.h
In preparation of factoring out PHY configuration to a separate source
file move commonly used definitions to new header file r8169.h.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-10 16:41:35 -08:00
Heiner Kallweit
1c5be5e91d r8169: rename rtl_apply_firmware
Rename rtl_apply_firmware() to r8169_apply_firmware() before exporting
it to avoid namespace clashes with other drivers for Realtek hardware.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-10 16:41:35 -08:00
Heiner Kallweit
00b522d1eb r8169: add phydev argument to rtl8168d_apply_firmware_cond
Pass the phy_device as parameter to rtl8168d_apply_firmware_cond(),
this avoids having to access rtl8169_private internals.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-10 16:41:35 -08:00
Heiner Kallweit
3ab077d2f4 r8169: use phy_read/write instead of rtl_readphy/writephy
Replace rtl_writephy and rtl_readphy with the respective phylib
functions.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-10 16:41:35 -08:00
Heiner Kallweit
c4d76995f5 r8169: replace rtl_w0w1_phy
Replace rtl_w0w1_phy with phylib functions.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-10 16:41:35 -08:00
Heiner Kallweit
11b3bedeb0 r8169: replace rtl_patchphy
Replace rtl_patchphy with phylib functions.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-10 16:41:35 -08:00
Heiner Kallweit
6d7a631e27 r8169: move disabling MAC EEE for RTL8402/RTL8106e
Move configuring EEE on MAC side out of the PHY configuration.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-10 16:41:34 -08:00
Heiner Kallweit
8d46f6207a r8169: move setting ERI register 0x1d0 for RTL8106
Writing this ERI register is a MAC setting, so move it to
rtl_hw_start_8106().

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-10 16:41:34 -08:00
Heiner Kallweit
8aa9a5d3f6 r8169: switch to phylib functions in rtl_writephy_batch
Switch rtl_writephy_batch() to phylib functions, as a result we can
avoid passing a rtl8169_private parameter.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-10 16:41:34 -08:00
Heiner Kallweit
4c867e36b8 r8169: change argument type of RTL8168g-specific PHY config functions
These functions use only the phy_device member of rtl8169_private,
so we can pass the phy_device as parameter directly.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-10 16:41:34 -08:00
Heiner Kallweit
8cecc8f0ae r8169: change argument type of EEE PHY functions
These functions use only the phy_device member of rtl8169_private,
so we can pass the phy_device as parameter directly.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-10 16:41:34 -08:00
Heiner Kallweit
fc712387b1 r8169: move RTL8169scd Gigabyte PHY quirk
In preparation of factoring out rtl8169scd_hw_phy_config() move this
quirk to rtl8169_init_phy().

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-10 16:41:34 -08:00
Heiner Kallweit
b5aed0b3c2 r8169: remove not needed debug print in rtl8169_init_phy
Remove a useless debug statement. This also allows to remove the
net_device parameter from rtl8169_init_phy().

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-10 16:41:34 -08:00
Heiner Kallweit
becd837eeb r8169: prepare for exporting rtl_hw_phy_config
In preperation of factoring out the PHY configuration to a separate
source file this patch:
- avoids accessing rtl8169_private internals by passing the phy_device
  and mac_version as separate parameters
- renames rtl_hw_phy_config to r8169_hw_phy_config to avoid namespace
  clashes with other drivers for Realtek hardware

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-10 16:41:34 -08:00
Jose Abreu
7bd754c47d net: stmmac: tc: Do not setup flower filtering if RSS is enabled
RSS, when enabled, will bypass the L3 and L4 filtering causing it not
to work. Add a check before trying to setup the filters.

Fixes: 425eabddaf ("net: stmmac: Implement L3/L4 Filters using TC Flower")
Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-10 11:31:10 -08:00
Jose Abreu
e715d74504 net: stmmac: selftests: Update status when disabling RSS
We are disabling RSS on HW but not updating the internal private status
to the 'disabled' state. This is needed for next tc commit that will
check if RSS is disabled before trying to apply filters.

Fixes: 4647e02119 ("net: stmmac: selftests: Add selftest for L3/L4 Filters")
Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-10 11:31:10 -08:00
Jose Abreu
e735def018 net: stmmac: gmac5+: Fix missing return
If FPE is supposed to be disabled we need to return after disabling it.

Fixes: 7c72827468 ("net: stmmac: gmac5+: Add support for Frame Preemption")
Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-10 11:29:44 -08:00
Jose Abreu
8eea7c7f3f net: stmmac: xgmac: Fix missing return
If FPE is supposed to be disabled we need to return after disabling it.

Fixes: f0e56c8d8f ("net: stmmac: xgmac3+: Add support for Frame Preemption")
Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-10 11:29:44 -08:00
Alex Maftei (amaftei)
f7226e0f9b sfc: move RPS code
Includes a couple of filtering functions and also renames a constant.

Style fixes included.

Signed-off-by: Alexandru-Mihai Maftei <amaftei@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-10 11:24:37 -08:00
Alex Maftei (amaftei)
314823108c sfc: move yet more functions
Functions are not related.

Signed-off-by: Alexandru-Mihai Maftei <amaftei@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-10 11:24:37 -08:00
Alex Maftei (amaftei)
960f16275b sfc: move RSS code
Style fixes included.

Signed-off-by: Alexandru-Mihai Maftei <amaftei@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-10 11:24:37 -08:00
Alex Maftei (amaftei)
88f7df35ce sfc: move a couple more functions
Signed-off-by: Alexandru-Mihai Maftei <amaftei@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-10 11:24:37 -08:00
Alex Maftei (amaftei)
3653954da4 sfc: move some ethtool code
Various ethtool entry points are moved.

Signed-off-by: Alexandru-Mihai Maftei <amaftei@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-10 11:24:37 -08:00
Alex Maftei (amaftei)
190c736a80 sfc: move various functions
Signed-off-by: Alexandru-Mihai Maftei <amaftei@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-10 11:24:37 -08:00
Alex Maftei (amaftei)
3d95b88439 sfc: move more rx code
Page recycling code and GRO packet receipt code were moved.

One function contains code extracted from another.

Code style fixes included.

Signed-off-by: Alexandru-Mihai Maftei <amaftei@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-10 11:24:37 -08:00
Alex Maftei (amaftei)
b8cd94992f sfc: move more tx code
The code that handles transmission finalization will also be common.

Signed-off-by: Alexandru-Mihai Maftei <amaftei@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-10 11:24:37 -08:00
Alex Maftei (amaftei)
86de7ced41 sfc: refactor selftest work init code
Signed-off-by: Alexandru-Mihai Maftei <amaftei@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-10 11:24:37 -08:00
Yishai Hadas
ca1992c62c net/mlx5: Expose vDPA emulation device capabilities
Expose vDPA emulation device capabilities from the core layer.
It includes reading the capabilities from the firmware and exposing
helper functions to access the data.

Signed-off-by: Yishai Hadas <yishaih@mellanox.com>
Reviewed-by: Shahaf Shuler <shahafs@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
2020-01-10 20:25:32 +02:00
David S. Miller
e267371dd3 Merge branch '40GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/net-queue
Jeff Kirsher says:

====================
Intel Wired LAN Driver Updates 2020-01-09

This series contains fixes to e1000e, igb, ixgbe, ixgbevf, i40e and iavf
drivers.

Brett fixes the validation of the virtchnl queue select bitmaps by
comparing the bitmaps against BIT(I40E_MAX_VF_QUEUES).

Radoslaw removes the limitation of only 10 filter entries for a VF and
allows use of all free RAR entries for the forwarding database, if
needed.

Cambda Zhu fixes the calculation of queue when restoring flow director
filters after resetting the adapter for ixgbe.

Manfred Rudigier fixes the SGMIISFP module discovery for 100FX/LX
modules for igb.

Stefan Assmann fixes iavf where during a VF reset event, MAC filters
were not altered, which could lead to a stale filter when an
administratively set MAC address is forced by the PF.

Adam adds the missing code to set the PHY access flag on X722 devices,
which supports accessing PHY registers with the admin queue command.

Revert a previous commit for e1000e to use "delayed work" which was
causing connections to reset unexpectedly and possible driver crashes.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-09 18:46:10 -08:00
Sergei Shtylyov
3249b1e442 sh_eth: check sh_eth_cpu_data::dual_port when dumping registers
When adding the sh_eth_cpu_data::dual_port flag I forgot to add the flag
checks to __sh_eth_get_regs(), causing the non-existing TSU registers to
be dumped by 'ethtool' on the single port Ether controllers having TSU...

Fixes: a94cf2a614 ("sh_eth: fix TSU init on SH7734/R8A7740")
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-09 18:35:41 -08:00
Dejin Zheng
2cab57e065 net: stmmac: pci: remove the duplicate code of set phy_mask
All members of mdio_bus_data are cleared to 0 when it was obtained
by devm_kzalloc(). so It doesn't need to set phy_mask as 0 again.

Signed-off-by: Dejin Zheng <zhengdejin5@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-09 18:34:16 -08:00
Thomas Bogendoerfer
0ce5ebd24d
mfd: ioc3: Add driver for SGI IOC3 chip
SGI IOC3 chip has integrated ethernet, keyboard and mouse interface.
It also supports connecting a SuperIO chip for serial and parallel
interfaces. IOC3 is used inside various SGI systemboards and add-on
cards with different equipped external interfaces.

Support for ethernet and serial interfaces were implemented inside
the network driver. This patchset moves out the not network related
parts to a new MFD driver, which takes care of card detection,
setup of platform devices and interrupt distribution for the subdevices.

Serial portion: Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-for-MFD-by: Lee Jones <lee.jones@linaro.org>
Network part: Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Network part: Acked-by: Jakub Kicinski <jakub.kicinski@netronome.com>

Signed-off-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
Signed-off-by: Paul Burton <paulburton@kernel.org>
Cc: James Hogan <jhogan@kernel.org>
Cc: David S. Miller <davem@davemloft.net>
Cc: Jiri Slaby <jslaby@suse.com>
Cc: linux-mips@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Cc: netdev@vger.kernel.org
Cc: linux-serial@vger.kernel.org
2020-01-09 15:30:59 -08:00
Thomas Bogendoerfer
10cf8300ec
MIPS: SGI-IP27: fix readb/writeb addressing
Our chosen byte swapping, which is what firmware already uses, is to
do readl/writel by normal lw/sw intructions (data invariance). This
also means we need to mangle addresses for u8 and u16 accesses. The
mangling for 16bit has been done aready, but 8bit one was missing.
Correcting this causes different addresses for accesses to the
SuperIO and local bus of the IOC3 chip. This is fixed by changing
byte order in ioc3 and m48rtc_rtc structs.

Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
Signed-off-by: Paul Burton <paulburton@kernel.org>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: James Hogan <jhogan@kernel.org>
Cc: David S. Miller <davem@davemloft.net>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Cc: linux-mips@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Cc: netdev@vger.kernel.org
Cc: linux-rtc@vger.kernel.org
2020-01-09 15:30:56 -08:00
Ido Schimmel
4dab08df3b mlxsw: spectrum: Only require minimum firmware version
Currently, the driver ensures that the firmware version found on the
device matches the branch of the required version.

Remove this limitation so that the driver will accept the required
version or a newer version, from any branch.

This will allow us to reduce the frequency in which we need to update
the required version. New firmware versions that include necessary bug
fixes will be able to work with the driver, even if they are not from
the required branch.

Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-09 12:35:53 -08:00
Ido Schimmel
22895f8a0e mlxsw: spectrum: Update firmware version to xx.2000.2714
The version adds support for 2x50 Gb/s port split option on SN3800
systems.

Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-09 12:35:53 -08:00
David S. Miller
a2d6d7ae59 Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
The ungrafting from PRIO bug fixes in net, when merged into net-next,
merge cleanly but create a build failure.  The resolution used here is
from Petr Machata.

Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-09 12:13:43 -08:00
Alex Maftei (amaftei)
b69f7a3e53 sfc: move MCDI logging device attribute
A few bits were extracted from other functions.

Signed-off-by: Alexandru-Mihai Maftei <amaftei@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-09 10:58:35 -08:00
Alex Maftei (amaftei)
b5775b476e sfc: conditioned some functionality
Before calling certain function pointers, check that they are non-NULL.

Signed-off-by: Alexandru-Mihai Maftei <amaftei@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-09 10:58:35 -08:00
Alex Maftei (amaftei)
8da9264205 sfc: move MCDI receive queue management code
One function's prototype was changed in the header.

Signed-off-by: Alexandru-Mihai Maftei <amaftei@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-09 10:58:35 -08:00
Alex Maftei (amaftei)
8ee4c90772 sfc: move MCDI transmit queue management code
A function was split, the others were renamed.

Code style fixes included.

Signed-off-by: Alexandru-Mihai Maftei <amaftei@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-09 10:58:35 -08:00
Alex Maftei (amaftei)
4438b587fe sfc: move MCDI event queue management code
A function was split, the others were renamed.

Code style fixes included.

Signed-off-by: Alexandru-Mihai Maftei <amaftei@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-09 10:58:35 -08:00
Alex Maftei (amaftei)
37a5f9dceb sfc: move MCDI VI alloc/free code
One function was renamed here, the other contains code extracted from
another.

Signed-off-by: Alexandru-Mihai Maftei <amaftei@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-09 10:58:35 -08:00
Alex Maftei (amaftei)
1cf0f76ada sfc: move more MCDI port code
Various functions dealing with flow control, forward error correction,
polling, port number, and PHY testing.

Signed-off-by: Alexandru-Mihai Maftei <amaftei@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-09 10:58:35 -08:00
Alex Maftei (amaftei)
1a8d88a8b7 sfc: move some MCDI port utility functions
They just convert between different sets of flags/registers.
Some block comments were adjusted.

Signed-off-by: Alexandru-Mihai Maftei <amaftei@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-09 10:58:35 -08:00
Alex Maftei (amaftei)
a2ba4b971a sfc: move some port link state/caps code
The moved code handles MCDI port link state and capabilities.

Signed-off-by: Alexandru-Mihai Maftei <amaftei@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-09 10:58:34 -08:00
Milind Parab
43ad352dc8 net: macb: add support for C45 MDIO read/write
This patch modify MDIO read/write functions to support
communication with C45 PHY.

Signed-off-by: Milind Parab <mparab@cadence.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Acked-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-09 10:48:29 -08:00
Jeff Kirsher
d5ad7a6a7f e1000e: Revert "e1000e: Make watchdog use delayed work"
This reverts commit 59653e6497.

This is due to this commit causing driver crashes and connections to
reset unexpectedly.

Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
2020-01-09 09:21:40 -08:00
Adam Ludkiewicz
bb37362f34 i40e: Set PHY Access flag on X722
The X722 FW API version 1.9 adds support for accessing PHY
registers with Admin Queue Command. This enables reading
EEPROM data from (Q)SFP+ transceivers, what was previously
possible only on X710 devices.

Signed-off-by: Adam Ludkiewicz <adam.ludkiewicz@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-01-09 09:21:40 -08:00
Stefan Assmann
9e05229190 iavf: remove current MAC address filter on VF reset
Currently MAC filters are not altered during a VF reset event. This may
lead to a stale filter when an administratively set MAC is forced by the
PF.

For an administratively set MAC the PF driver deletes the VFs filters,
overwrites the VFs MAC address and triggers a VF reset. However
the VF driver itself is not aware of the filter removal, which is what
the VF reset is for.
The VF reset queues all filters present in the VF driver to be re-added
to the PF filter list (including the filter for the now stale VF MAC
address) and triggers a VIRTCHNL_OP_GET_VF_RESOURCES event, which
provides the new MAC address to the VF.

When this happens i40e will complain and reject the stale MAC filter,
at least in the untrusted VF case.
i40e 0000:08:00.0: Setting MAC 3c:fa:fa:fa:fa:01 on VF 0
iavf 0000:08:02.0: Reset warning received from the PF
iavf 0000:08:02.0: Scheduling reset task
i40e 0000:08:00.0: Bring down and up the VF interface to make this change effective.
i40e 0000:08:00.0: VF attempting to override administratively set MAC address, bring down and up the VF interface to resume normal operation
i40e 0000:08:00.0: VF 0 failed opcode 10, retval: -1
iavf 0000:08:02.0: Failed to add MAC filter, error IAVF_ERR_NVM

To avoid re-adding the stale MAC filter it needs to be removed from the
VF driver's filter list before queuing the existing filters. Then during
the VIRTCHNL_OP_GET_VF_RESOURCES event the correct filter needs to be
added again, at which point the MAC address has been updated.

As a bonus this change makes bringing the VF down and up again
superfluous for the administratively set MAC case.

Signed-off-by: Stefan Assmann <sassmann@kpanic.de>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-01-09 09:21:40 -08:00
Manfred Rudigier
5365ec1aef igb: Fix SGMII SFP module discovery for 100FX/LX.
Changing the link mode should also be done for 100BaseFX SGMII modules,
otherwise they just don't work when the default link mode in CTRL_EXT
coming from the EEPROM is SERDES.

Additionally 100Base-LX SGMII SFP modules are also supported now, which
was not the case before.

Tested with an i210 using Flexoptix S.1303.2M.G 100FX and
S.1303.10.G 100LX SGMII SFP modules.

Signed-off-by: Manfred Rudigier <manfred.rudigier@omicronenergy.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-01-09 09:21:40 -08:00
Cambda Zhu
4fad78ad64 ixgbe: Fix calculation of queue with VFs and flow director on interface flap
This patch fixes the calculation of queue when we restore flow director
filters after resetting adapter. In ixgbe_fdir_filter_restore(), filter's
vf may be zero which makes the queue outside of the rx_ring array.

The calculation is changed to the same as ixgbe_add_ethtool_fdir_entry().

Signed-off-by: Cambda Zhu <cambda@linux.alibaba.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-01-09 09:21:40 -08:00
Radoslaw Tyl
aa604651d5 ixgbevf: Remove limit of 10 entries for unicast filter list
Currently, though the FDB entry is added to VF, it does not appear in
RAR filters. VF driver only allows to add 10 entries. Attempting to add
another causes an error. This patch removes limitation and allows use of
all free RAR entries for the FDB if needed.

Fixes: 46ec20ff7d ("ixgbevf: Add macvlan support in the set rx mode op")
Signed-off-by: Radoslaw Tyl <radoslawx.tyl@intel.com>
Acked-by: Paul Menzel <pmenzel@molgen.mpg.de>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-01-09 09:21:40 -08:00
Brett Creeley
d9d6a9aed3 i40e: Fix virtchnl_queue_select bitmap validation
Currently in i40e_vc_disable_queues_msg() we are incorrectly
validating the virtchnl queue select bitmaps. The
virtchnl_queue_select rx_queues and tx_queue bitmap is being
compared against ICE_MAX_VF_QUEUES, but the problem is that
these bitmaps can have a value greater than I40E_MAX_VF_QUEUES.
Fix this by comparing the bitmaps against BIT(I40E_MAX_VF_QUEUES).

Also, add the function i40e_vc_validate_vqs_bitmaps() that checks to see
if both virtchnl_queue_select bitmaps are empty along with checking that
the bitmaps only have valid bits set. This function can then be used in
both the queue enable and disable flows.

Suggested-by: Arkady Gilinksky <arkady.gilinsky@harmonicinc.com>
Signed-off-by: Brett Creeley <brett.creeley@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-01-09 09:21:40 -08:00
Arnd Bergmann
ea217e874a netronome: fix ipv6 link error
When the driver is built-in but ipv6 is a module, the flower
support produces a link error:

drivers/net/ethernet/netronome/nfp/flower/tunnel_conf.o: In function `nfp_tunnel_keep_alive_v6':
tunnel_conf.c:(.text+0x2aa8): undefined reference to `nd_tbl'

Add a Kconfig dependency to avoid that configuration.

Fixes: 9ea9bfa122 ("nfp: flower: support ipv6 tunnel keep-alive messages from fw")
Acked-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-08 16:06:29 -08:00
Arnd Bergmann
112463ddbe net: dsa: felix: fix link error
When the enetc driver is disabled, the mdio support fails to
get built:

drivers/net/dsa/ocelot/felix_vsc9959.o: In function `vsc9959_mdio_bus_alloc':
felix_vsc9959.c:(.text+0x19c): undefined reference to `enetc_hw_alloc'
felix_vsc9959.c:(.text+0x1d1): undefined reference to `enetc_mdio_read'
felix_vsc9959.c:(.text+0x1d8): undefined reference to `enetc_mdio_write'

Change the Makefile to enter the subdirectory for this as well.

Fixes: bdeced75b1 ("net: dsa: felix: Add PCS operations for PHYLINK")
Fixes: 6517798dd3 ("enetc: Make MDIO accessors more generic and export to include/linux/fsl")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-08 16:05:54 -08:00
Heiner Kallweit
09e6533536 r8169: add constant EnAnaPLL
Use constant EnAnaPLL for bit 14 as in vendor driver. The vendor
driver sets this bit for chip version 02 only, but I'm not aware of
any issues, so better leave it as it is.
In addition remove the useless debug message.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-08 16:04:48 -08:00
Vikas Gupta
737d7a6c55 bnxt_en: Call recovery done after reset is successfully done
Return EINPROGRESS to devlink health reporter recover as we are not yet
done and call devlink_health_reporter_recovery_done once reset is
successfully completed from workqueue context.

Signed-off-by: Vikas Gupta <vikas.gupta@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-08 15:47:50 -08:00
Jason A. Donenfeld
536577f36f net: myri10ge: use skb_list_walk_safe helper for gso segments
This is a straight-forward conversion case for the new function, and
while we're at it, we can remove a null write to skb->next by replacing
it with skb_mark_not_on_list.

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-08 15:19:55 -08:00
Jason A. Donenfeld
69b4ed5cbf net: sfc: use skb_list_walk_safe helper for gso segments
This is a straight-forward conversion case for the new function, and
while we're at it, we can remove a null write to skb->next by replacing
it with skb_mark_not_on_list.

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-08 15:19:55 -08:00
Jason A. Donenfeld
90919f1450 net: sunvnet: use skb_list_walk_safe helper for gso segments
This is a straight-forward conversion case for the new function, and
while we're at it, we can remove a null write to skb->next by replacing
it with skb_mark_not_on_list.

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-08 15:19:55 -08:00
Jason A. Donenfeld
9f0722380f net: tg3: use skb_list_walk_safe helper for gso segments
This is a straight-forward conversion case for the new function, and
while we're at it, we can remove a null write to skb->next by replacing
it with skb_mark_not_on_list.

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-08 15:19:55 -08:00
Alex Maftei (amaftei)
17d3b21c7b sfc: move common tx code
Once again, a tiny bit of refactoring was required to stitch the code
together (i.e. adding headers). The moved code deals with managing tx
queues and mappings.

Signed-off-by: Alexandru-Mihai Maftei <amaftei@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-08 13:28:03 -08:00
Alex Maftei (amaftei)
1751cc365f sfc: move common rx code
The moved code deals with managing rx buffers and queues.
A tiny bit of refactoring was required in other files to stitch the
code together.

Signed-off-by: Alexandru-Mihai Maftei <amaftei@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-08 13:28:03 -08:00
Alex Maftei (amaftei)
5f99925632 sfc: move event queue management code
Signed-off-by: Alexandru-Mihai Maftei <amaftei@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-08 13:28:03 -08:00
Alex Maftei (amaftei)
37c45a4e33 sfc: move channel interrupt management code
Small code styling fixes included.

Signed-off-by: Alexandru-Mihai Maftei <amaftei@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-08 13:28:03 -08:00
Alex Maftei (amaftei)
8397548507 sfc: move channel alloc/removal code
Reallocation and copying code is included, as well as some housekeeping
code.
Other files have been patched up a bit to accommodate the changes.

Small code styling fixes included.

Signed-off-by: Alexandru-Mihai Maftei <amaftei@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-08 13:28:03 -08:00
Alex Maftei (amaftei)
e20ba5b1d1 sfc: move channel start/stop code
Also includes interrupt enabling/disabling code.
Small code styling fixes included.

Signed-off-by: Alexandru-Mihai Maftei <amaftei@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-08 13:28:03 -08:00
Alex Maftei (amaftei)
768fd2664e sfc: move some channel-related code
Just a handful of function, but also removed many 'static' identifiers
so the code builds. These will, of course, be moved.
Module parameters for IRQ moderation threshold also moved.

Small code styling fixes included.

Signed-off-by: Alexandru-Mihai Maftei <amaftei@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-08 13:28:03 -08:00
Alex Maftei (amaftei)
f1826756b4 sfc: move struct init and fini code
The hardware monitor code and the reset work queue code were also
moved, with supporting macros and parameters, because they are assigned
to function pointers in the struct.
Small code styling fixes included.

Signed-off-by: Alexandru-Mihai Maftei <amaftei@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-08 13:28:02 -08:00
Alex Maftei (amaftei)
1eaf99fe0b sfc: move some device reset code
The rest of the reset code will be moved later.
Small code styling fixes included.

Signed-off-by: Alexandru-Mihai Maftei <amaftei@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-08 13:28:02 -08:00
Alex Maftei (amaftei)
7ec3de4260 sfc: move datapath management code
The code that manages the datapath (starting, stopping, including the
port-related bits) will be common.
Three functions have been added that contain bits from other
functions. These will be moved to their final files in later patches.
Small code styling fixes included.

Signed-off-by: Alexandru-Mihai Maftei <amaftei@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-08 13:28:02 -08:00
Alex Maftei (amaftei)
473f5ede41 sfc: move mac configuration and status functions
Two small functions with different purposes.

Signed-off-by: Alexandru-Mihai Maftei <amaftei@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-08 13:28:02 -08:00
Alex Maftei (amaftei)
82c6448402 sfc: move reset workqueue code
Small functions doing work that will be common, related to reset
workqueue management.

Signed-off-by: Alexandru-Mihai Maftei <amaftei@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-08 13:28:02 -08:00
Alex Maftei (amaftei)
b194045114 sfc: further preparation for code split
Added more arguments for a couple of functions.
Also moved a function to the common header.

Signed-off-by: Alexandru-Mihai Maftei <amaftei@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-08 13:28:02 -08:00
Alex Maftei (amaftei)
e1253f3910 sfc: add new headers in preparation for code split
New headers contain prototypes of functions that will be common between
ef10 and upcoming driver.
Removed static modifier from the affected functions.
Some function prototypes were removed from existing headers.

Signed-off-by: Alexandru-Mihai Maftei <amaftei@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-08 13:28:02 -08:00
Petr Machata
3971a535b8 mlxsw: spectrum_qdisc: Ignore grafting of invisible FIFO
The following patch will change PRIO to replace a removed Qdisc with an
invisible FIFO, instead of NOOP. mlxsw will see this replacement due to the
graft message that is generated. But because FIFO does not issue its own
REPLACE message, when the graft operation takes place, the Qdisc that mlxsw
tracks under the indicated band is still the old one. The child
handle (0:0) therefore does not match, and mlxsw rejects the graft
operation, which leads to an extack message:

    Warning: Offloading graft operation failed.

Fix by ignoring the invisible children in the PRIO graft handler. The
DESTROY message of the removed Qdisc is going to follow shortly and handle
the removal.

Fixes: 32dc5efc6c ("mlxsw: spectrum: qdiscs: prio: Handle graft command")
Signed-off-by: Petr Machata <petrm@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-08 12:45:52 -08:00
yu kuai
e102774588 net: 3com: 3c59x: remove set but not used variable 'mii_reg1'
Fixes gcc '-Wunused-but-set-variable' warning:

drivers/net/ethernet/3com/3c59x.c: In function ‘vortex_up’:
drivers/net/ethernet/3com/3c59x.c:1551:9: warning: variable
‘mii_reg1’ set but not used [-Wunused-but-set-variable]

It is never used, and so can be removed.

Signed-off-by: yu kuai <yukuai3@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-08 12:40:03 -08:00
Chen-Yu Tsai
f1239d8aa8 net: stmmac: dwmac-sun8i: Allow all RGMII modes
Allow all the RGMII modes to be used. This would allow us to represent
the hardware better in the device tree with RGMII_ID where in most
cases the PHY's internal delay for both RX and TX are used.

Fixes: 9f93ac8d40 ("net-next: stmmac: Add dwmac-sun8i")
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-08 12:31:25 -08:00
Chen-Yu Tsai
52cc73e540 net: stmmac: dwmac-sunxi: Allow all RGMII modes
Allow all the RGMII modes to be used. This would allow us to represent
the hardware better in the device tree with RGMII_ID where in most
cases the PHY's internal delay for both RX and TX are used.

Fixes: af0bd4e9ba ("net: stmmac: sunxi platform extensions for GMAC in Allwinner A20 SoC's")
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-08 12:30:19 -08:00
David S. Miller
94d3997828 mlx5-updates-2020-01-07
This series adds 2 sets of changes to mlx5 driver
 1) Misc updates and cleanups:
 
 1.1) Stack usages warning cleanups and log level reduction
 1.2) Increase the max number of supported rings
 1.3) Support accept TC action on native NIC netdev.
 
 2) Software steering support for multi destination steering rules:
 First three patches from Erez are adding the low level FW command support
 and SW steering infrastructure to create the mult-destination FW tables.
 
 Last four patches from Alex are introducing the needed changes and APIs in
 SW steering to create and manage multi-destination actions and rules.
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Merge tag 'mlx5-updates-2020-01-07' of git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux

Saeed Mahameed says:

====================
mlx5-updates-2020-01-07

This series adds 2 sets of changes to mlx5 driver
1) Misc updates and cleanups:

1.1) Stack usages warning cleanups and log level reduction
1.2) Increase the max number of supported rings
1.3) Support accept TC action on native NIC netdev.

2) Software steering support for multi destination steering rules:
First three patches from Erez are adding the low level FW command support
and SW steering infrastructure to create the mult-destination FW tables.

Last four patches from Alex are introducing the needed changes and APIs in
SW steering to create and manage multi-destination actions and rules.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-08 12:25:42 -08:00
YueHaibing
4addbcb387 enetc: Fix inconsistent IS_ERR and PTR_ERR
The proper pointer to be passed as argument is hw
Detected using Coccinelle.

Fixes: 6517798dd3 ("enetc: Make MDIO accessors more generic and export to include/linux/fsl")
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Reviewed-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-07 13:46:42 -08:00
Dan Carpenter
0d6e5bfc9c enetc: Fix an off by one in enetc_setup_tc_txtime()
The priv->tx_ring[] has 16 elements but only priv->num_tx_rings are
set up, the rest are NULL.  This ">" comparison should be ">=" to avoid
a potential crash.

Fixes: 0d08c9ec7d ("enetc: add support time specific departure base on the qos etf")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-07 13:46:20 -08:00
Jose Abreu
da29f2d84b net: stmmac: Fixed link does not need MDIO Bus
When using fixed link we don't need the MDIO bus support.

Reported-by: Heiko Stuebner <heiko@sntech.de>
Reported-by: kernelci.org bot <bot@kernelci.org>
Fixes: d3e014ec7d ("net: stmmac: platform: Fix MDIO init for platforms without PHY")
Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com>
Acked-by: Sriram Dash <Sriram.dash@samsung.com>
Tested-by: Patrice Chotard <patrice.chotard@st.com>
Tested-by: Heiko Stuebner <heiko@sntech.de>
Acked-by: Neil Armstrong <narmstrong@baylibre.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Tested-by: Florian Fainelli <f.fainelli@gmail> # Lamobo R1 (fixed-link + MDIO sub node for roboswitch).
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-07 13:40:29 -08:00
Jiping Ma
481a7d154c stmmac: debugfs entry name is not be changed when udev rename device name.
Add one notifier for udev changes net device name.
Fixes: b6601323ef9e ("net: stmmac: debugfs entry name is not be changed when udev rename")

Signed-off-by: Jiping Ma <jiping.ma2@windriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-07 13:26:16 -08:00
Shannon Nelson
6be1a5ce1b ionic: clear compiler warning on hb use before set
Build checks have pointed out that 'hb' can theoretically
be used before set, so let's initialize it and get rid
of the compiler complaint.

Signed-off-by: Shannon Nelson <snelson@pensando.io>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-07 13:05:06 -08:00
Shannon Nelson
c37d6e3f25 ionic: restrict received packets to mtu size
Make sure the NIC drops packets that are larger than the
specified MTU.

The front end of the NIC will accept packets larger than MTU and
will copy all the data it can to fill up the driver's posted
buffers - if the buffers are not long enough the packet will
then get dropped.  With the Rx SG buffers allocagted as full
pages, we are currently setting up more space than MTU size
available and end up receiving some packets that are larger
than MTU, up to the size of buffers posted.  To be sure the
NIC doesn't waste our time with oversized packets we need to
lie a little in the SG descriptor about how long is the last
SG element.

At dealloc time, we know the allocation was a page, so the
deallocation doesn't care about what length we put in the
descriptor.

Signed-off-by: Shannon Nelson <snelson@pensando.io>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-07 13:05:06 -08:00
Shannon Nelson
24cfa8c762 ionic: add Rx dropped packet counter
Add a counter for packets dropped by the driver, typically
for bad size or a receive error seen by the device.

Signed-off-by: Shannon Nelson <snelson@pensando.io>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-07 13:05:06 -08:00
Shannon Nelson
3daca28f15 ionic: drop use of subdevice tags
The subdevice concept is not being used in the driver, so
drop the references to it.

Signed-off-by: Shannon Nelson <snelson@pensando.io>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-07 13:05:06 -08:00
Alex Vesker
7ee3f6d248 net/mlx5: DR, Create multiple destination action from dr_create_fte
Until now it was possible to pass a packet to a single destination such
as vport or flow table. With the new support if multiple vports or multiple
tables are provided as destinations, fs_dr will create a multiple
destination table action, this action should replace other destination
actions provided to mlx5dr_create_rule.
Each vport destination can be provided with a reformat actions which
will be done before forwarding the packet to the vport.

Signed-off-by: Alex Vesker <valex@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2020-01-07 10:43:02 -08:00
Alex Vesker
b8853c969f net/mlx5: DR, Add support for multiple destination table action
A multiple destination table action allows HW packet duplication
to multiple destinations, this is useful for multicast or mirroring
traffic for debug. Duplicating is done using a FW flow table with
multiple destinations.

The new action creation function, mlx5dr_action_create_mult_dest_tbl
will allow creating a single table to iterate over several dr actions.

Signed-off-by: Alex Vesker <valex@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2020-01-07 10:42:49 -08:00
Alex Vesker
aec292ee6f net/mlx5: DR, Align dest FT action creation to API
Function prefix was changed to be similar to other action APIs.
In order to support other FW tables the mlx5_flow_table struct was
replaced with table id and type.

Signed-off-by: Alex Vesker <valex@mellanox.com>
Reviewed-by: Erez Shitrit <erezsh@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2020-01-07 10:42:36 -08:00