platform/kernel/linux-starfive.git
3 years agoixp4xx_eth: make ptp support a platform driver
Arnd Bergmann [Sat, 28 Aug 2021 17:15:44 +0000 (19:15 +0200)]
ixp4xx_eth: make ptp support a platform driver

After the recent ixp4xx cleanups, the ptp driver has gained a
build failure in some configurations:

drivers/net/ethernet/xscale/ptp_ixp46x.c: In function 'ptp_ixp_init':
drivers/net/ethernet/xscale/ptp_ixp46x.c:290:51: error: 'IXP4XX_TIMESYNC_BASE_VIRT' undeclared (first use in this function)

Avoid the last bit of hardcoded constants from platform headers
by turning the ptp driver bit into a platform driver and passing
the IRQ and MMIO address as resources.

This is a bit tricky:

- The interface between the two drivers is now the new
  ixp46x_ptp_find() function, replacing the global
  ixp46x_phc_index variable. The call is done as late
  as possible, in hwtstamp_set(), to ensure that the
  ptp device is fully probed.

- As the ptp driver is now called by the network driver, the
  link dependency is reversed, which in turn requires a small
  Makefile hack

- The GPIO number is still left hardcoded. This is clearly not
  great, but it can be addressed later. Note that commit 98ac0cc270b7
  ("ARM: ixp4xx: Convert to MULTI_IRQ_HANDLER") changed the
  IRQ number to something meaningless. Passing the correct IRQ
  in a resource fixes this.

- When the PTP driver is disabled, ethtool .get_ts_info()
  now correctly lists only software timestamping regardless
  of the hardware.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
[Fix a missing include]
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agoMerge branch 'hns3-cleanups'
David S. Miller [Mon, 30 Aug 2021 08:43:19 +0000 (09:43 +0100)]
Merge branch 'hns3-cleanups'

Guangbin Huang says:

====================
net: hns3: add some cleanups

This series includes some cleanups for the HNS3 ethernet driver.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: hns3: uniform parameter name of hclge_ptp_clean_tx_hwts()
Hao Chen [Mon, 30 Aug 2021 06:06:42 +0000 (14:06 +0800)]
net: hns3: uniform parameter name of hclge_ptp_clean_tx_hwts()

The parameter name of hclge_ptp_clean_tx_hwts() in declaration is "dev",
but the definition of this function is used the common name "hdev" as
other functions, so modify it.

Signed-off-by: Hao Chen <chenhao288@hisilicon.com>
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: hnss3: use max() to simplify code
Hao Chen [Mon, 30 Aug 2021 06:06:41 +0000 (14:06 +0800)]
net: hnss3: use max() to simplify code

Replace the "? :" statement wich max() to simplify code.

Signed-off-by: Hao Chen <chenhao288@hisilicon.com>
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: hns3: modify a print format of hns3_dbg_queue_map()
Hao Chen [Mon, 30 Aug 2021 06:06:40 +0000 (14:06 +0800)]
net: hns3: modify a print format of hns3_dbg_queue_map()

The type of tqp_vector->vector_irq is int, so modify its print format
to "%d".

Signed-off-by: Hao Chen <chenhao288@hisilicon.com>
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: hns3: refine function hclge_dbg_dump_tm_pri()
Guangbin Huang [Mon, 30 Aug 2021 06:06:39 +0000 (14:06 +0800)]
net: hns3: refine function hclge_dbg_dump_tm_pri()

To improve flexibility, simplicity and maintainability to dump info of
every element of tm priority, add a struct hclge_dbg_item array of tm
priority and fill string of every data according to this array.

Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: hns3: reconstruct function hclge_ets_validate()
Guangbin Huang [Mon, 30 Aug 2021 06:06:38 +0000 (14:06 +0800)]
net: hns3: reconstruct function hclge_ets_validate()

This patch reconstructs function hclge_ets_validate() to reduce the code
cycle complexity and make code more concise.

Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: hns3: reconstruct function hns3_self_test
Peng Li [Mon, 30 Aug 2021 06:06:37 +0000 (14:06 +0800)]
net: hns3: reconstruct function hns3_self_test

This patch reconstructs function hns3_self_test to reduce the code
cycle complexity and make code more concise.

Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: hns3: initialize each member of structure array on a separate line
Jiaran Zhang [Mon, 30 Aug 2021 06:06:36 +0000 (14:06 +0800)]
net: hns3: initialize each member of structure array on a separate line

To make the format of each member initialization of structure array
clearer, initialize each member on a separate line.

Signed-off-by: Jiaran Zhang <zhangjiaran@huawei.com>
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agoMerge branch 'bnxt_en-fw-messages'
David S. Miller [Mon, 30 Aug 2021 08:35:05 +0000 (09:35 +0100)]
Merge branch 'bnxt_en-fw-messages'

Michael Chan says:

====================
bnxt_en: Implement new driver APIs to send FW messages

The current driver APIs to send messages to the firmware allow only one
outstanding message in flight.  There is only one buffer for the firmware
response for each firmware channel.  To send a firmware message, all
callers must take a mutex and it is released after the firmware response
has been read.  This scheme does not allow multiple firmware messages
in flight.  Firmware may take a long time to respond to some messages
(e.g. NVRAM related ones) and this causes the mutex to be held for
a long time, blocking other callers.

This patchset intoduces the new driver APIs to address the above
shortcomings.  The new APIs are compatible with new and old firmware.
But the new deferred firmware response mechanism will require newer
firmware in order to allow multiple outstanding firmware commands.

All callers are updated to use the new APIs.

v2: Patch 4 and patch 9 updated to fix issues reported by test robot
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agobnxt_en: support multiple HWRM commands in flight
Edwin Peer [Sun, 29 Aug 2021 07:35:06 +0000 (03:35 -0400)]
bnxt_en: support multiple HWRM commands in flight

Add infrastructure to maintain a pending list of HWRM commands awaiting
completion and reduce the scope of the hwrm_cmd_lock mutex so that it
protects only the request mailbox. The mailbox is free to use for one
or more concurrent commands after receiving deferred response events.

For uniformity and completeness, use the same pending list for
collecting completions for commands that respond via a completion ring.
These commands are only used for freeing rings and for IRQ test and
we only support one such command in flight.

Note deferred responses are also only supported on the main channel.
The secondary channel (KONG) does not support deferred responses.

Signed-off-by: Edwin Peer <edwin.peer@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agobnxt_en: remove legacy HWRM interface
Edwin Peer [Sun, 29 Aug 2021 07:35:05 +0000 (03:35 -0400)]
bnxt_en: remove legacy HWRM interface

There are no longer any callers relying on the old API.

Signed-off-by: Edwin Peer <edwin.peer@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agobnxt_en: update all firmware calls to use the new APIs
Edwin Peer [Sun, 29 Aug 2021 07:35:04 +0000 (03:35 -0400)]
bnxt_en: update all firmware calls to use the new APIs

The conversion follows this general pattern for most of the calls:

1. The input message is changed from a stack variable initialized
using bnxt_hwrm_cmd_hdr_init() to a pointer allocated and intialized
using hwrm_req_init().

2. If we don't need to read the firmware response, the hwrm_send_message()
call is replaced with hwrm_req_send().

3. If we need to read the firmware response, the mutex lock is replaced
by hwrm_req_hold() to hold the response.  When the response is read, the
mutex unlock is replaced by hwrm_req_drop().

If additional DMA buffers are needed for firmware response data, the
hwrm_req_dma_slice() is used instead of calling dma_alloc_coherent().

Some minor refactoring is also done while doing these conversions.

v2: Fix unintialized variable warnings in __bnxt_hwrm_get_tx_rings()
and bnxt_approve_mac()

Signed-off-by: Edwin Peer <edwin.peer@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agobnxt_en: use link_lock instead of hwrm_cmd_lock to protect link_info
Edwin Peer [Sun, 29 Aug 2021 07:35:03 +0000 (03:35 -0400)]
bnxt_en: use link_lock instead of hwrm_cmd_lock to protect link_info

We currently use the hwrm_cmd_lock to serialize the update of the
firmware's link status response data and the copying of link status data
to the VF.  This won't work when we update the firmware message APIs, so
we use the link_lock mutex instead.  All link_info data should be
updated under the link_lock mutex.  Also add link_lock to functions that
touch link_info in __bnxt_open_nic() and bnxt_probe_phy(). The locking
is probably not strictly necessary during probe, but it's more consistent.

Signed-off-by: Edwin Peer <edwin.peer@broadcom.com>
Reviewed-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agobnxt_en: add support for HWRM request slices
Edwin Peer [Sun, 29 Aug 2021 07:35:02 +0000 (03:35 -0400)]
bnxt_en: add support for HWRM request slices

Slices are a mechanism for suballocating DMA mapped regions from the
request buffer. Such regions can be used for indirect command data
instead of creating new mappings with dma_alloc_coherent().

The advantage of using a slice is that the lifetime of the slice is
bound to the request and will be automatically unmapped when the
request is consumed.

A single external region is also supported. This allows for regions
that will not fit inside the spare request buffer space such that
the same API can be used consistently even for larger mappings.

Signed-off-by: Edwin Peer <edwin.peer@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agobnxt_en: add HWRM request assignment API
Edwin Peer [Sun, 29 Aug 2021 07:35:01 +0000 (03:35 -0400)]
bnxt_en: add HWRM request assignment API

hwrm_req_replace() provides an assignment like operation to replace a
managed HWRM request object with data from a pre-built source. This is
useful for handling request data provided by higher layer HWRM clients.

Signed-off-by: Edwin Peer <edwin.peer@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agobnxt_en: discard out of sequence HWRM responses
Edwin Peer [Sun, 29 Aug 2021 07:35:00 +0000 (03:35 -0400)]
bnxt_en: discard out of sequence HWRM responses

During firmware crash recovery, it is possible for firmware to respond
to stale HWRM commands that have already timed out. Because response
buffers may be reused, any out of sequence responses need to be ignored
and only the matching seq_id should be accepted.

Also, READ_ONCE should be used for the reads from the DMA buffer to
ensure that the necessary loads are scheduled.

Reviewed-by: Scott Branden <scott.branden@broadcom.com>
Signed-off-by: Edwin Peer <edwin.peer@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agobnxt_en: introduce new firmware message API based on DMA pools
Edwin Peer [Sun, 29 Aug 2021 07:34:59 +0000 (03:34 -0400)]
bnxt_en: introduce new firmware message API based on DMA pools

This change constitutes a major step towards supporting multiple
firmware commands in flight by maintaining a separate response buffer
for the duration of each request. These firmware commands are also
known as Hardware Resource Manager (HWRM) commands.  Using separate
response buffers requires an API change in order for callers to be
able to free the buffer when done.

It is impossible to keep the existing APIs unchanged.  The existing
usage for a simple HWRM message request such as the following:

        struct input req = {0};
        bnxt_hwrm_cmd_hdr_init(bp, &req, REQ_TYPE, -1, -1);
        rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
        if (rc)
                /* error */

changes to:

         struct input *req;
         rc = hwrm_req_init(bp, req, REQ_TYPE);
         if (rc)
                 /* error */
         rc = hwrm_req_send(bp, req); /* consumes req */
         if (rc)
                 /* error */

The key changes are:

1. The req is no longer allocated on the stack.
2. The caller must call hwrm_req_init() to allocate a req buffer and
   check for a valid buffer.
3. The req buffer is automatically released when hwrm_req_send() returns.
4. If the caller wants to check the firmware response, the caller must
   call hwrm_req_hold() to take ownership of the response buffer and
   release it afterwards using hwrm_req_drop().  The caller is no longer
   required to explicitly hold the hwrm_cmd_lock mutex to read the
   response.
5. Because the firmware commands and responses all have different sizes,
   some safeguards are added to the code.

This patch maintains legacy API compatibiltiy, implementing the old
API in terms of the new.  The follow-on patches will convert all
callers to use the new APIs.

v2: Fix redefined writeq with parisc .config
    Fix "cast from pointer to integer of different size" warning in
hwrm_calc_sentinel()

Signed-off-by: Edwin Peer <edwin.peer@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agobnxt_en: move HWRM API implementation into separate file
Edwin Peer [Sun, 29 Aug 2021 07:34:58 +0000 (03:34 -0400)]
bnxt_en: move HWRM API implementation into separate file

Move all firmware messaging functions and definitions to new
bnxt_hwrm.[ch].  The follow-on patches will make major modifications
to these APIs.

Signed-off-by: Edwin Peer <edwin.peer@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agobnxt_en: Refactor the HWRM_VER_GET firmware calls
Edwin Peer [Sun, 29 Aug 2021 07:34:57 +0000 (03:34 -0400)]
bnxt_en: Refactor the HWRM_VER_GET firmware calls

Refactor the code so that __bnxt_hwrm_ver_get() does not call
bnxt_hwrm_do_send_msg() directly.  The new APIs will not expose this
internal call.  Add a new bnxt_hwrm_poll() to poll the HWRM_VER_GET
firmware call silently.  The other bnxt_hwrm_ver_get() function will
send the HWRM_VER_GET message directly with error logs enabled.

Signed-off-by: Edwin Peer <edwin.peer@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agobnxt_en: remove DMA mapping for KONG response
Edwin Peer [Sun, 29 Aug 2021 07:34:56 +0000 (03:34 -0400)]
bnxt_en: remove DMA mapping for KONG response

The additional response buffer serves no useful purpose. There can
be only one firmware command in flight due to the hwrm_cmd_lock mutex,
which is taken for the entire duration of any command completion,
KONG or otherwise. It is thus safe to share a single DMA buffer.

Removing the code associated with the additional mapping will simplify
matters in the next patch, which allocates response buffers from DMA
pools on a per request basis.

Signed-off-by: Edwin Peer <edwin.peer@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agoMerge tag 'wireless-drivers-next-2021-08-29' of git://git.kernel.org/pub/scm/linux...
David S. Miller [Sun, 29 Aug 2021 14:11:16 +0000 (15:11 +0100)]
Merge tag 'wireless-drivers-next-2021-08-29' of git://git./linux/kernel/git/kvalo/wireless-drivers-next

Kalle Valo says:

====================
pull-request: wireless-drivers-next-2021-08-29

here's a pull request to net-next tree, more info below. Please let me know if
there are any problems.

wireless-drivers-next patches for v5.15

Second, and most likely last, set of patches for v5.15. Lots of
iwlwifi patches this time, but smaller changes to other drivers as
well. Nothing special standing out.

Major changes:

rtw88

* add quirk to disable pci caps on HP Pavilion 14-ce0xxx

brcmfmac

* Add WPA3 Personal with FT to supported cipher suites

wcn36xx

* allow firmware name to be overridden by DT

iwlwifi

* support scanning hidden 6GHz networks

* support for a new hardware family (Bz)

* support for new firmware API versions

mwifiex

* add reset_d3cold quirk for Surface gen4+ devices
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agossb: fix boolreturn.cocci warning
Jing Yangyang [Tue, 24 Aug 2021 06:13:41 +0000 (23:13 -0700)]
ssb: fix boolreturn.cocci warning

./include/linux/ssb/ssb_driver_extif.h:200:8-9:WARNING: return of 0/1 in
function 'ssb_extif_available' with return type bool

Return statements in functions returning bool should use true/false
instead of 1/0.

Generated by: scripts/coccinelle/misc/boolreturn.cocci

Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: Jing Yangyang <jing.yangyang@zte.com.cn>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20210824061341.59255-1-deng.changcheng@zte.com.cn
3 years agointel: switch from 'pci_' to 'dma_' API
Christophe JAILLET [Sun, 22 Aug 2021 08:03:50 +0000 (10:03 +0200)]
intel: switch from 'pci_' to 'dma_' API

The wrappers in include/linux/pci-dma-compat.h should go away.

The patch has been generated with the coccinelle script below.

It has been hand modified to use 'dma_set_mask_and_coherent()' instead of
'pci_set_dma_mask()/pci_set_consistent_dma_mask()' when applicable.
This is less verbose.

It has been compile tested.

@@
@@
-    PCI_DMA_BIDIRECTIONAL
+    DMA_BIDIRECTIONAL

@@
@@
-    PCI_DMA_TODEVICE
+    DMA_TO_DEVICE

@@
@@
-    PCI_DMA_FROMDEVICE
+    DMA_FROM_DEVICE

@@
@@
-    PCI_DMA_NONE
+    DMA_NONE

@@
expression e1, e2, e3;
@@
-    pci_alloc_consistent(e1, e2, e3)
+    dma_alloc_coherent(&e1->dev, e2, e3, GFP_)

@@
expression e1, e2, e3;
@@
-    pci_zalloc_consistent(e1, e2, e3)
+    dma_alloc_coherent(&e1->dev, e2, e3, GFP_)

@@
expression e1, e2, e3, e4;
@@
-    pci_free_consistent(e1, e2, e3, e4)
+    dma_free_coherent(&e1->dev, e2, e3, e4)

@@
expression e1, e2, e3, e4;
@@
-    pci_map_single(e1, e2, e3, e4)
+    dma_map_single(&e1->dev, e2, e3, e4)

@@
expression e1, e2, e3, e4;
@@
-    pci_unmap_single(e1, e2, e3, e4)
+    dma_unmap_single(&e1->dev, e2, e3, e4)

@@
expression e1, e2, e3, e4, e5;
@@
-    pci_map_page(e1, e2, e3, e4, e5)
+    dma_map_page(&e1->dev, e2, e3, e4, e5)

@@
expression e1, e2, e3, e4;
@@
-    pci_unmap_page(e1, e2, e3, e4)
+    dma_unmap_page(&e1->dev, e2, e3, e4)

@@
expression e1, e2, e3, e4;
@@
-    pci_map_sg(e1, e2, e3, e4)
+    dma_map_sg(&e1->dev, e2, e3, e4)

@@
expression e1, e2, e3, e4;
@@
-    pci_unmap_sg(e1, e2, e3, e4)
+    dma_unmap_sg(&e1->dev, e2, e3, e4)

@@
expression e1, e2, e3, e4;
@@
-    pci_dma_sync_single_for_cpu(e1, e2, e3, e4)
+    dma_sync_single_for_cpu(&e1->dev, e2, e3, e4)

@@
expression e1, e2, e3, e4;
@@
-    pci_dma_sync_single_for_device(e1, e2, e3, e4)
+    dma_sync_single_for_device(&e1->dev, e2, e3, e4)

@@
expression e1, e2, e3, e4;
@@
-    pci_dma_sync_sg_for_cpu(e1, e2, e3, e4)
+    dma_sync_sg_for_cpu(&e1->dev, e2, e3, e4)

@@
expression e1, e2, e3, e4;
@@
-    pci_dma_sync_sg_for_device(e1, e2, e3, e4)
+    dma_sync_sg_for_device(&e1->dev, e2, e3, e4)

@@
expression e1, e2;
@@
-    pci_dma_mapping_error(e1, e2)
+    dma_mapping_error(&e1->dev, e2)

@@
expression e1, e2;
@@
-    pci_set_dma_mask(e1, e2)
+    dma_set_mask(&e1->dev, e2)

@@
expression e1, e2;
@@
-    pci_set_consistent_dma_mask(e1, e2)
+    dma_set_coherent_mask(&e1->dev, e2)

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/f55043d0c847bfae60087707778563cf732a7bf9.1629619229.git.christophe.jaillet@wanadoo.fr
3 years agomwifiex: pcie: add reset_d3cold quirk for Surface gen4+ devices
Tsuchiya Yuto [Fri, 20 Aug 2021 14:20:50 +0000 (16:20 +0200)]
mwifiex: pcie: add reset_d3cold quirk for Surface gen4+ devices

To reset mwifiex on Surface gen4+ (Pro 4 or later gen) devices, it
seems that putting the wifi device into D3cold is required according
to errata.inf file on Windows installation (Windows/INF/errata.inf).

This patch adds a function that performs power-cycle (put into D3cold
then D0) and call the function at the end of reset_prepare().

Note: Need to also reset the parent device (bridge) of wifi on SB1;
it might be because the bridge of wifi always reports it's in D3hot.
When I tried to reset only the wifi device (not touching parent), it gave
the following error and the reset failed:

    acpi device:4b: Cannot transition to power state D0 for parent in D3hot
    mwifiex_pcie 0000:03:00.0: can't change power state from D3cold to D0 (config space inaccessible)

Signed-off-by: Tsuchiya Yuto <kitakar@gmail.com>
Signed-off-by: Jonas Dreßler <verdre@v0yd.nl>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20210820142050.35741-3-verdre@v0yd.nl
3 years agomwifiex: pcie: add DMI-based quirk implementation for Surface devices
Jonas Dreßler [Fri, 20 Aug 2021 14:20:49 +0000 (16:20 +0200)]
mwifiex: pcie: add DMI-based quirk implementation for Surface devices

This commit adds the ability to apply device-specific quirks to the
mwifiex driver. It uses DMI matching similar to the quirks brcmfmac uses
with dmi.c. We'll add identifiers to match various MS Surface devices,
which this is primarily meant for, later.

This commit is a slightly modified version of a previous patch sent in
by Tsuchiya Yuto.

Co-developed-by: Tsuchiya Yuto <kitakar@gmail.com>
Signed-off-by: Tsuchiya Yuto <kitakar@gmail.com>
Signed-off-by: Jonas Dreßler <verdre@v0yd.nl>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20210820142050.35741-2-verdre@v0yd.nl
3 years agobrcmfmac: pcie: fix oops on failure to resume and reprobe
Ahmad Fatoum [Tue, 17 Aug 2021 06:35:22 +0000 (08:35 +0200)]
brcmfmac: pcie: fix oops on failure to resume and reprobe

When resuming from suspend, brcmf_pcie_pm_leave_D3 will first attempt a
hot resume and then fall back to removing the PCI device and then
reprobing. If this probe fails, the kernel will oops, because brcmf_err,
which is called to report the failure will dereference the stale bus
pointer. Open code and use the default bus-less brcmf_err to avoid this.

Fixes: 8602e62441ab ("brcmfmac: pass bus to the __brcmf_err() in pcie.c")
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20210817063521.22450-1-a.fatoum@pengutronix.de
3 years agobcma: Drop the unused parameter of bcma_scan_read32()
Zenghui Yu [Tue, 27 Jul 2021 02:52:32 +0000 (10:52 +0800)]
bcma: Drop the unused parameter of bcma_scan_read32()

As it had never been used since the initial commit 8369ae33b705 ("bcma: add
Broadcom specific AMBA bus driver").

Signed-off-by: Zenghui Yu <yuzenghui@huawei.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20210727025232.663-3-yuzenghui@huawei.com
3 years agobcma: Fix memory leak for internally-handled cores
Zenghui Yu [Tue, 27 Jul 2021 02:52:31 +0000 (10:52 +0800)]
bcma: Fix memory leak for internally-handled cores

kmemleak reported that dev_name() of internally-handled cores were leaked
on driver unbinding. Let's use device_initialize() to take refcounts for
them and put_device() to properly free the related stuff.

While looking at it, there's another potential issue for those which should
be *registered* into driver core. If device_register() failed, we put
device once and freed bcma_device structures. In bcma_unregister_cores(),
they're treated as unregistered and we hit both UAF and double-free. That
smells not good and has also been fixed now.

Fixes: ab54bc8460b5 ("bcma: fill core details for every device")
Signed-off-by: Zenghui Yu <yuzenghui@huawei.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20210727025232.663-2-yuzenghui@huawei.com
3 years agoMerge commit 'e257d969f36503b8eb1240f32653a1afb3109f86' of git://git.kernel.org/pub...
Kalle Valo [Sun, 29 Aug 2021 10:20:48 +0000 (13:20 +0300)]
Merge commit 'e257d969f36503b8eb1240f32653a1afb3109f86' of git://git./linux/kernel/git/iwlwifi/iwlwifi-next

I think last commits in tag iwlwifi-next-for-kalle-2021-08-26 are not
ready yet so I'm skipping those and pulling an earlier commit. I
modified Luca's description below to not include the skipped commits.

iwlwifi patches for v5.15

* Support scanning hidden 6GHz networks;
* Some improvements in the FW error dumps;
* Add some HE capability flags
* A bunch of janitorial clean-ups;
* Clean-ups in the TX code;
* Small fix for SMPS;
* Support for a new hardware family (Bz);
* Small fix in the scan code;
* A bunch of changes in the D3 code, including new FW API;
* Finalize the refactoring of 6GHz scan;
* Initial changes in the SAR profile code;
* Fix reading one of our ACPI tables (WTAS);
* Support some new ACPI table revisions;
* Support new API of the WoWlan status FW notification;
* Fixes in SAR ACPI tables handling;
* Some debugging improvements;
* Fix in ROC;
* Support for new FW API versions;
* Support new FW command versions;
* Some other small fixes, clean-ups and improvements.

3 years agovirtio_net: reduce raw_smp_processor_id() calling in virtnet_xdp_get_sq
Li RongQing [Thu, 26 Aug 2021 08:21:35 +0000 (16:21 +0800)]
virtio_net: reduce raw_smp_processor_id() calling in virtnet_xdp_get_sq

smp_processor_id()/raw* will be called once each when not
more queues in virtnet_xdp_get_sq() which is called in
non-preemptible context, so it's safe to call the function
smp_processor_id() once.

Signed-off-by: Li RongQing <lirongqing@baidu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agoniu: switch from 'pci_' to 'dma_' API
Christophe JAILLET [Fri, 27 Aug 2021 20:06:37 +0000 (22:06 +0200)]
niu: switch from 'pci_' to 'dma_' API

In [1], Christoph Hellwig has proposed to remove the wrappers in
include/linux/pci-dma-compat.h.

Some reasons why this API should be removed have been given by Julia
Lawall in [2].

A coccinelle script has been used to perform the needed transformation
Only relevant parts are given below.

It has been hand modified to use 'dma_set_mask_and_coherent()' instead of
'pci_set_dma_mask()/pci_set_consistent_dma_mask()' when applicable.
This is less verbose.

Finally, the now useless 'dma_mask' variable has been removed.

It has been compile tested.

@@
expression e1, e2;
@@
-    pci_set_dma_mask(e1, e2)
+    dma_set_mask(&e1->dev, e2)

@@
expression e1, e2;
@@
-    pci_set_consistent_dma_mask(e1, e2)
+    dma_set_coherent_mask(&e1->dev, e2)

[1]: https://lore.kernel.org/kernel-janitors/20200421081257.GA131897@infradead.org/
[2]: https://lore.kernel.org/kernel-janitors/alpine.DEB.2.22.394.2007120902170.2424@hadrien/

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agofddi: switch from 'pci_' to 'dma_' API
Christophe JAILLET [Fri, 27 Aug 2021 20:00:57 +0000 (22:00 +0200)]
fddi: switch from 'pci_' to 'dma_' API

In [1], Christoph Hellwig has proposed to remove the wrappers in
include/linux/pci-dma-compat.h.

Some reasons why this API should be removed have been given by Julia
Lawall in [2].

A coccinelle script has been used to perform the needed transformation
Only relevant parts are given below.

It has been compile tested.

@@ @@
-    PCI_DMA_TODEVICE
+    DMA_TO_DEVICE

@@ @@
-    PCI_DMA_FROMDEVICE
+    DMA_FROM_DEVICE

@@
expression e1, e2, e3, e4;
@@
-    pci_map_single(e1, e2, e3, e4)
+    dma_map_single(&e1->dev, e2, e3, e4)

@@
expression e1, e2, e3, e4;
@@
-    pci_unmap_single(e1, e2, e3, e4)
+    dma_unmap_single(&e1->dev, e2, e3, e4)

[1]: https://lore.kernel.org/kernel-janitors/20200421081257.GA131897@infradead.org/
[2]: https://lore.kernel.org/kernel-janitors/alpine.DEB.2.22.394.2007120902170.2424@hadrien/

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: spider_net: switch from 'pci_' to 'dma_' API
Christophe JAILLET [Fri, 27 Aug 2021 19:56:28 +0000 (21:56 +0200)]
net: spider_net: switch from 'pci_' to 'dma_' API

In [1], Christoph Hellwig has proposed to remove the wrappers in
include/linux/pci-dma-compat.h.

Some reasons why this API should be removed have been given by Julia
Lawall in [2].

A coccinelle script has been used to perform the needed transformation
Only relevant parts are given below.

@@ @@
-    PCI_DMA_BIDIRECTIONAL
+    DMA_BIDIRECTIONAL

@@ @@
-    PCI_DMA_TODEVICE
+    DMA_TO_DEVICE

@@ @@
-    PCI_DMA_FROMDEVICE
+    DMA_FROM_DEVICE

@@
expression e1, e2, e3, e4;
@@
-    pci_map_single(e1, e2, e3, e4)
+    dma_map_single(&e1->dev, e2, e3, e4)

@@
expression e1, e2, e3, e4;
@@
-    pci_unmap_single(e1, e2, e3, e4)
+    dma_unmap_single(&e1->dev, e2, e3, e4)

@@
expression e1, e2;
@@
-    pci_dma_mapping_error(e1, e2)
+    dma_mapping_error(&e1->dev, e2)

[1]: https://lore.kernel.org/kernel-janitors/20200421081257.GA131897@infradead.org/
[2]: https://lore.kernel.org/kernel-janitors/alpine.DEB.2.22.394.2007120902170.2424@hadrien/

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Acked-by: Geoff Levand <geoff@infradead.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agoocteontx2-pf: Add vlan-etype to ntuple filters
Subbaraya Sundeep [Fri, 27 Aug 2021 13:30:55 +0000 (19:00 +0530)]
octeontx2-pf: Add vlan-etype to ntuple filters

NPC extraction profile marks layer types
NPC_LT_LB_CTAG for CTAG and NPC_LT_LB_STAG_QINQ for
STAG after parsing input packet. Those layer types
can be used to install ntuple filters using
vlan-etype option. Below are the commands and
corresponding behavior with this patch in place.

> alias nt "ethtool -U eth0 flow-type ether"

> nt vlan 5 m 0xf000 action 0
Input packets with outer VLAN id as 5 i.e,
stag packets with VLAN id 5 and ctag packets with
VLAN id as 5 are hit.

> nt vlan-etype 0x8100 action 0
All input ctag packets with any VLAN id are hit.

> nt vlan-etype 0x88A8 action 0
All input stag packets with any VLAN id are hit.

> nt vlan-etype 0x8100 vlan 5 m 0xf000 action 0
All input ctag packets with VLAN id 5 are hit.

> nt vlan-etype 0x88A8 vlan 5 m 0xf000 action 0
All input stag packets with VLAN id 5 are hit.

Signed-off-by: Subbaraya Sundeep <sbhatta@marvell.com>
Signed-off-by: Sunil Goutham <sgoutham@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agoocteontx2-af: Fix inconsistent license text
Sunil Goutham [Fri, 27 Aug 2021 11:46:44 +0000 (17:16 +0530)]
octeontx2-af: Fix inconsistent license text

Fixed inconsistent license text across the RVU admin
function driver.

Signed-off-by: Sunil Goutham <sgoutham@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agoocteontx2-pf: Fix inconsistent license text
Sunil Goutham [Fri, 27 Aug 2021 11:45:07 +0000 (17:15 +0530)]
octeontx2-pf: Fix inconsistent license text

Fixed inconsistent license text across the netdev
drivers.

Signed-off-by: Sunil Goutham <sgoutham@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agoMerge branch '1GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/next-
David S. Miller [Sun, 29 Aug 2021 09:44:31 +0000 (10:44 +0100)]
Merge branch '1GbE' of git://git./linux/kernel/git/tnguy/next-
queue

Tony Nguyen says:

====================
1GbE Intel Wired LAN Driver Updates 2021-08-27

ravindhan Gunasekaran says:

This adds support for Credit-based shaper qdisc offload from
Traffic Control system. It enables traffic prioritization and
bandwidth reservation via the Credit-Based Shaper which is
implemented in hardware by i225 controller.

Patch 1/3 adds a default cycle-time for TSN mode to be configured.

Patch 2/3 helps to separate TSN mode programming on the fly and
during reset sequence. It also simplifies handling features flags
for various TSN modes supported by i225 in the driver.

Patch 3/3 adds support for IEEE802.1Qav(CBS) standard
implemented in i225 HW. Two sets of CBS HW shapers are present
in i225 and driver enables them in the two high priority queues.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agoMerge ath-next from git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/ath.git
Kalle Valo [Sun, 29 Aug 2021 08:56:22 +0000 (11:56 +0300)]
Merge ath-next from git://git./linux/kernel/git/kvalo/ath.git

ath.git patches for v5.15. Major changes:

wcn36xx

* allow firmware name to be overridden by DT

3 years agowilc1000: Convert module-global "isinit" to device-specific variable
David Mosberger-Tang [Sat, 28 Aug 2021 15:19:11 +0000 (15:19 +0000)]
wilc1000: Convert module-global "isinit" to device-specific variable

Move static "isinit" variable to wilc_spi structure to allow multiple
WILC1000 devices per machine.

Signed-off-by: David Mosberger-Tang <davidm@egauge.net>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20210828151346.3012697-1-davidm@egauge.net
3 years agobrcmfmac: Add WPA3 Personal with FT to supported cipher suites
Paweł Drewniak [Tue, 24 Aug 2021 22:13:30 +0000 (23:13 +0100)]
brcmfmac: Add WPA3 Personal with FT to supported cipher suites

This allows the driver to connect to BSSIDs supporting SAE with 802.11r.
Tested on Raspberry Pi 4 Model B (STA) and UniFi 6LR/OpenWRT 21.02.0-rc2.
AP was set to 'sae-mixed' (WPA2/3 Personal).

Signed-off-by: Paweł Drewniak <czajernia@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20210824221330.3847139-1-czajernia@gmail.com
3 years agossb: Drop legacy header include
Linus Walleij [Sat, 21 Aug 2021 23:58:00 +0000 (01:58 +0200)]
ssb: Drop legacy header include

The SSB header only uses the legacy <linux/gpio.h> header to get
struct gpio_chip so inluce <linux/gpio/driver.h> which is the right
include to deal with gpio_chip.

Cc: Michael Buesch <m@bues.ch>
Cc: Kalle Valo <kvalo@codeaurora.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20210821235800.138817-1-linus.walleij@linaro.org
3 years agorsi: make array fsm_state static const, makes object smaller
Colin Ian King [Thu, 19 Aug 2021 12:50:18 +0000 (13:50 +0100)]
rsi: make array fsm_state static const, makes object smaller

Don't populate the array fsm_state on the stack but instead it
static const. Makes the object code smaller by 154 bytes:

Before:
   text    data     bss     dec     hex filename
   9213    3904       0   13117    333d .../wireless/rsi/rsi_91x_debugfs.o

After:
   text    data     bss     dec     hex filename
   8995    3968       0   12963    32a3 .../wireless/rsi/rsi_91x_debugfs.o

(gcc version 10.3.0)

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20210819125018.8577-1-colin.king@canonical.com
3 years agortlwifi: rtl8192de: Fix initialization of place in _rtl92c_phy_get_rightchnlplace()
Nathan Chancellor [Mon, 23 Aug 2021 22:20:14 +0000 (15:20 -0700)]
rtlwifi: rtl8192de: Fix initialization of place in _rtl92c_phy_get_rightchnlplace()

Clang warns:

drivers/net/wireless/realtek/rtlwifi/rtl8192de/phy.c:901:6: warning:
variable 'place' is used uninitialized whenever 'if' condition is false
[-Wsometimes-uninitialized]
        if (chnl > 14) {
            ^~~~~~~~~
drivers/net/wireless/realtek/rtlwifi/rtl8192de/phy.c:909:9: note:
uninitialized use occurs here
        return place;
               ^~~~~
drivers/net/wireless/realtek/rtlwifi/rtl8192de/phy.c:901:2: note: remove
the 'if' if its condition is always true
        if (chnl > 14) {
        ^~~~~~~~~~~~~~~
drivers/net/wireless/realtek/rtlwifi/rtl8192de/phy.c:899:10: note:
initialize the variable 'place' to silence this warning
        u8 place;
                ^
                 = '\0'
1 warning generated.

Commit 369956ae5720 ("rtlwifi: rtl8192de: Remove redundant variable
initializations") removed the initialization of place but it appears
that this removal was in the wrong function.

_rtl92c_phy_get_rightchnlplace() returns place's value at the end of the
function so now if the if statement is false, place never gets
initialized. Add that initialization back to address the warning.

place's initialization is not necessary in
rtl92d_get_rightchnlplace_for_iqk() as place is only used within the if
statement so it can be removed, which is likely what was intended in the
first place.

Fixes: 369956ae5720 ("rtlwifi: rtl8192de: Remove redundant variable initializations")
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Acked-by: Ping-Ke Shih <pkshih@realtek.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20210823222014.764557-1-nathan@kernel.org
3 years agortw88: add quirk to disable pci caps on HP Pavilion 14-ce0xxx
Ugo Rémery [Sun, 22 Aug 2021 19:49:32 +0000 (14:49 -0500)]
rtw88: add quirk to disable pci caps on HP Pavilion 14-ce0xxx

8821CE causes random freezes on HP Pavilion 14-ce0019nf. Add a quirk
to disable pci ASPM capability.

Signed-off-by: Ugo Rémery <ugo.remery@gmail.com>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20210822194932.29630-1-Larry.Finger@lwfinger.net
3 years agoath6kl: wmi: fix an error code in ath6kl_wmi_sync_point()
Dan Carpenter [Fri, 13 Aug 2021 11:34:38 +0000 (14:34 +0300)]
ath6kl: wmi: fix an error code in ath6kl_wmi_sync_point()

This error path is unlikely because of it checked for NULL and
returned -ENOMEM earlier in the function.  But it should return
an error code here as well if we ever do hit it because of a
race condition or something.

Fixes: bdcd81707973 ("Add ath6kl cleaned up driver")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20210813113438.GB30697@kili
3 years agoath9k: fix sleeping in atomic context
Miaoqing Pan [Mon, 9 Aug 2021 04:05:16 +0000 (12:05 +0800)]
ath9k: fix sleeping in atomic context

The problem is that gpio_free() can sleep and the cfg_soc() can be
called with spinlocks held. One problematic call tree is:

--> ath_reset_internal() takes &sc->sc_pcu_lock spin lock
   --> ath9k_hw_reset()
      --> ath9k_hw_gpio_request_in()
         --> ath9k_hw_gpio_request()
            --> ath9k_hw_gpio_cfg_soc()

Remove gpio_free(), use error message instead, so we should make sure
there is no GPIO conflict.

Also remove ath9k_hw_gpio_free() from ath9k_hw_apply_gpio_override(),
as gpio_mask will never be set for SOC chips.

Signed-off-by: Miaoqing Pan <miaoqing@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/1628481916-15030-1-git-send-email-miaoqing@codeaurora.org
3 years agoath9k: fix OOB read ar9300_eeprom_restore_internal
Zekun Shen [Sat, 19 Jun 2021 13:29:14 +0000 (09:29 -0400)]
ath9k: fix OOB read ar9300_eeprom_restore_internal

Bad header can have large length field which can cause OOB.
cptr is the last bytes for read, and the eeprom is parsed
from high to low address. The OOB, triggered by the condition
length > cptr could cause memory error with a read on
negative index.

There are some sanity check around length, but it is not
compared with cptr (the remaining bytes). Here, the
corrupted/bad EEPROM can cause panic.

I was able to reproduce the crash, but I cannot find the
log and the reproducer now. After I applied the patch, the
bug is no longer reproducible.

Signed-off-by: Zekun Shen <bruceshenzk@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/YM3xKsQJ0Hw2hjrc@Zekuns-MBP-16.fios-router.home
3 years agowcn36xx: Fix missing frame timestamp for beacon/probe-resp
Loic Poulain [Thu, 26 Aug 2021 15:46:08 +0000 (17:46 +0200)]
wcn36xx: Fix missing frame timestamp for beacon/probe-resp

When receiving a beacon or probe response, we should update the
boottime_ns field which is the timestamp the frame was received at.
(cf mac80211.h)

This fixes a scanning issue with Android since it relies on this
timestamp to determine when the AP has been seen for the last time
(via the nl80211 BSS_LAST_SEEN_BOOTTIME parameter).

Signed-off-by: Loic Poulain <loic.poulain@linaro.org>
Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/1629992768-23785-1-git-send-email-loic.poulain@linaro.org
3 years agowcn36xx: Allow firmware name to be overridden by DT
Bjorn Andersson [Tue, 24 Aug 2021 17:12:25 +0000 (10:12 -0700)]
wcn36xx: Allow firmware name to be overridden by DT

The WLAN NV firmware blob differs between platforms, and possibly
devices, so add support in the wcn36xx driver for reading the path of
this file from DT in order to allow these files to live in a generic
file system (or linux-firmware).

For some reason the parent (wcnss_ctrl) also needs to upload this blob,
so rather than specifying the same information in both nodes wcn36xx
reads the string from the parent's of_node.

Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Tested-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Tested-by: Aníbal Limón <anibal.limon@linaro.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20210824171225.686683-1-bjorn.andersson@linaro.org
3 years agowcn36xx: Ensure finish scan is not requested before start scan
Joseph Gates [Wed, 18 Aug 2021 11:31:43 +0000 (13:31 +0200)]
wcn36xx: Ensure finish scan is not requested before start scan

If the operating channel is the first in the scan list, it was seen that
a finish scan request would be sent before a start scan request was
sent, causing the firmware to fail all future scans. Track the current
channel being scanned to avoid requesting the scan finish before it
starts.

Cc: <stable@vger.kernel.org>
Fixes: 5973a2947430 ("wcn36xx: Fix software-driven scan")
Signed-off-by: Joseph Gates <jgates@squareup.com>
Signed-off-by: Loic Poulain <loic.poulain@linaro.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/1629286303-13179-1-git-send-email-loic.poulain@linaro.org
3 years agoMerge branch 'ionic-queue-mgmt'
David S. Miller [Sat, 28 Aug 2021 10:23:09 +0000 (11:23 +0100)]
Merge branch 'ionic-queue-mgmt'

Shannon Nelson says:

====================
ionic: queue mgmt updates

The first pair of patches help smooth the driver's response when
the firmware has gone through a recovery/reboot cycle.

The next four patches take care of a couple things seen when
changing the interface status.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agoionic: recreate hwstamp queues on ifup
Shannon Nelson [Fri, 27 Aug 2021 18:55:12 +0000 (11:55 -0700)]
ionic: recreate hwstamp queues on ifup

The queues can be freed in ionic_close().  They need to be recreated
after ionic_open().  It doesn't need to replay the whole config.  It
only needs to create the timestamping queues again.

Signed-off-by: Allen Hubbe <allenbh@pensando.io>
Signed-off-by: Shannon Nelson <snelson@pensando.io>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agoionic: pull hwstamp queue_lock up a level
Shannon Nelson [Fri, 27 Aug 2021 18:55:11 +0000 (11:55 -0700)]
ionic: pull hwstamp queue_lock up a level

Move the hwstamp configuration use of queue_lock up
a level to simplify use and error handling.

Signed-off-by: Shannon Nelson <snelson@pensando.io>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agoionic: add queue lock around open and stop
Shannon Nelson [Fri, 27 Aug 2021 18:55:10 +0000 (11:55 -0700)]
ionic: add queue lock around open and stop

Add the queue configuration lock to ionic_open() and
ionic_stop() so that they don't collide with other in parallel
queue configuration actions such as MTU changes as can be
demonstrated with a tight loop of ifup/change-mtu/ifdown.

Signed-off-by: Shannon Nelson <snelson@pensando.io>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agoionic: fill mac addr earlier in add_addr
Shannon Nelson [Fri, 27 Aug 2021 18:55:09 +0000 (11:55 -0700)]
ionic: fill mac addr earlier in add_addr

Make sure the ctx struct has the new mac address before
any save operations happen.

Signed-off-by: Shannon Nelson <snelson@pensando.io>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agoionic: squelch unnecessary fw halted message
Shannon Nelson [Fri, 27 Aug 2021 18:55:08 +0000 (11:55 -0700)]
ionic: squelch unnecessary fw halted message

Since the heartbeat check will already have complained about
the firmware status, don't bother complaining about the
DEVCMD failing.  We'll keep the print message but demote it
to a debug messages so that we normally no longer see it.

Signed-off-by: Shannon Nelson <snelson@pensando.io>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agoionic: fire watchdog again after fw_down
Shannon Nelson [Fri, 27 Aug 2021 18:55:07 +0000 (11:55 -0700)]
ionic: fire watchdog again after fw_down

In some cases of fw_down it was called because there was a
fw_generation change, and the firmware is already back up.
In order to keep the down time to a minimum, don't wait for
the next watchdog polling cycle, fire another watchdog off
as soon as we can - an out-of-cycle check won't hurt, and
may well speed up the recovery.

Signed-off-by: Shannon Nelson <snelson@pensando.io>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agoMerge branch 'hns3-next'
David S. Miller [Sat, 28 Aug 2021 10:20:05 +0000 (11:20 +0100)]
Merge branch 'hns3-next'

Guangbin Huang says:

====================
net: hns3: updates for -next

This series includes some updates for the HNS3 ethernet driver.

This series includes some optimizations, cleanups and one
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: hns3: add required space in comment
Hao Chen [Sat, 28 Aug 2021 06:55:21 +0000 (14:55 +0800)]
net: hns3: add required space in comment

Add some required spaces in comment for cleanup.

Signed-off-by: Hao Chen <chenhao288@hisilicon.com>
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: hns3: remove unnecessary "static" of local variables in function
Hao Chen [Sat, 28 Aug 2021 06:55:20 +0000 (14:55 +0800)]
net: hns3: remove unnecessary "static" of local variables in function

Some local variable declarations are no need to add "static", so remove it.

Signed-off-by: Hao Chen <chenhao288@hisilicon.com>
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: hns3: don't config TM DWRR twice when set ETS
Guangbin Huang [Sat, 28 Aug 2021 06:55:19 +0000 (14:55 +0800)]
net: hns3: don't config TM DWRR twice when set ETS

The function hclge_tm_dwrr_cfg() will be called twice in function
hclge_ieee_setets() when map_changed is true, the calling flow is
hclge_ieee_setets()
    hclge_map_update()
    |   hclge_tm_schd_setup_hw()
    |       hclge_tm_dwrr_cfg()
    hclge_notify_init_up()
    hclge_tm_dwrr_cfg()

It is no need to call hclge_tm_dwrr_cfg() twice actually, so just
return after calling hclge_notify_init_up().

Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: hns3: add new function hclge_get_speed_bit()
Guangbin Huang [Sat, 28 Aug 2021 06:55:18 +0000 (14:55 +0800)]
net: hns3: add new function hclge_get_speed_bit()

Currently, function hclge_check_port_speed() uses switch/case statement
to get speed bit according to speed. To reuse this part of code and
improve code readability and maintainability, add a new function
hclge_get_speed_bit() to get speed bit according to map relationship
of speed and speed bit defined in array speed_bit_map.

Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: hns3: refactor function hclgevf_parse_capability()
Guangbin Huang [Sat, 28 Aug 2021 06:55:17 +0000 (14:55 +0800)]
net: hns3: refactor function hclgevf_parse_capability()

The function hclgevf_parse_capability() will add more if statement in the
future, to improve code readability, maintainability and simplicity,
refactor this function by using a bit mapping array of IMP capabilities
and driver capabilities.

Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: hns3: refactor function hclge_parse_capability()
Guangbin Huang [Sat, 28 Aug 2021 06:55:16 +0000 (14:55 +0800)]
net: hns3: refactor function hclge_parse_capability()

The function hclge_parse_capability() uses too many if statement, and
it may add more in the future. To improve code readability, maintainability
and simplicity, refactor this function by using a bit mapping array of IMP
capabilities and driver capabilities.

Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: hns3: add trace event in hclge_gen_resp_to_vf()
Yufeng Mo [Sat, 28 Aug 2021 06:55:15 +0000 (14:55 +0800)]
net: hns3: add trace event in hclge_gen_resp_to_vf()

Add a trace to get the info of pf responds to the mailbox message of vf.

Signed-off-by: Yufeng Mo <moyufeng@huawei.com>
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agoipv6: add IFLA_INET6_RA_MTU to expose mtu value
Rocco Yue [Fri, 27 Aug 2021 15:04:12 +0000 (23:04 +0800)]
ipv6: add IFLA_INET6_RA_MTU to expose mtu value

The kernel provides a "/proc/sys/net/ipv6/conf/<iface>/mtu"
file, which can temporarily record the mtu value of the last
received RA message when the RA mtu value is lower than the
interface mtu, but this proc has following limitations:

(1) when the interface mtu (/sys/class/net/<iface>/mtu) is
updeated, mtu6 (/proc/sys/net/ipv6/conf/<iface>/mtu) will
be updated to the value of interface mtu;
(2) mtu6 (/proc/sys/net/ipv6/conf/<iface>/mtu) only affect
ipv6 connection, and not affect ipv4.

Therefore, when the mtu option is carried in the RA message,
there will be a problem that the user sometimes cannot obtain
RA mtu value correctly by reading mtu6.

After this patch set, if a RA message carries the mtu option,
you can send a netlink msg which nlmsg_type is RTM_GETLINK,
and then by parsing the attribute of IFLA_INET6_RA_MTU to
get the mtu value carried in the RA message received on the
inet6 device. In addition, you can also get a link notification
when ra_mtu is updated so it doesn't have to poll.

In this way, if the MTU values that the device receives from
the network in the PCO IPv4 and the RA IPv6 procedures are
different, the user can obtain the correct ipv6 ra_mtu value
and compare the value of ra_mtu and ipv4 mtu, then the device
can use the lower MTU value for both IPv4 and IPv6.

Signed-off-by: Rocco Yue <rocco.yue@mediatek.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Link: https://lore.kernel.org/r/20210827150412.9267-1-rocco.yue@mediatek.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
3 years agoMerge branch 'bnxt-add-rx-discards-stats-for-oom-and-netpool'
Jakub Kicinski [Sat, 28 Aug 2021 00:14:33 +0000 (17:14 -0700)]
Merge branch 'bnxt-add-rx-discards-stats-for-oom-and-netpool'

Jakub Kicinski says:

====================
bnxt: add rx discards stats for oom and netpoll

Drivers should avoid silently dropping frames. This set adds two
stats for previously unaccounted events to bnxt - packets dropped
due to allocation failures and packets dropped during emergency
ring polling.
====================

Link: https://lore.kernel.org/r/20210827152745.68812-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
3 years agobnxt: count discards due to memory allocation errors
Jakub Kicinski [Fri, 27 Aug 2021 15:27:45 +0000 (08:27 -0700)]
bnxt: count discards due to memory allocation errors

Count packets dropped due to buffer or skb allocation errors.
Report as part of rx_dropped.

v2: drop the ethtool -S entry [Vladimir]

Reviewed-by: Michael Chan <michael.chan@broadcom.com>
Reviewed-by: Edwin Peer <edwin.peer@broadcom.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
3 years agobnxt: count packets discarded because of netpoll
Jakub Kicinski [Fri, 27 Aug 2021 15:27:44 +0000 (08:27 -0700)]
bnxt: count packets discarded because of netpoll

bnxt may discard packets if Rx completions are consumed
in an attempt to let netpoll make progress. It should be
extremely rare in practice but nonetheless such events
should be counted.

Since completion ring memory is allocated dynamically use
a similar scheme to what is done for HW stats to save them.

Report the stats in rx_dropped and per-netdev ethtool
counter. Chances that users care which ring dropped are
very low.

v3: only save the stat to rx_dropped on reset,
rx_total_netpoll_discards will now only show drops since
last reset, similar to other "total_discard" counters.

Reviewed-by: Michael Chan <michael.chan@broadcom.com>
Reviewed-by: Edwin Peer <edwin.peer@broadcom.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
3 years agoigc: Add support for CBS offloading
Aravindhan Gunasekaran [Mon, 9 Aug 2021 14:53:40 +0000 (20:23 +0530)]
igc: Add support for CBS offloading

Implement support for Credit-based shaper(CBS) Qdisc hardware
offload mode in the driver. There are two sets of IEEE802.1Qav
(CBS) HW logic in i225 controller and this patch supports
enabling them in the top two priority TX queues.

Driver implemented as recommended by Foxville External
Architecture Specification v0.993. Idleslope and Hi-credit are
the CBS tunable parameters for i225 NIC, programmed in TQAVCC
and TQAVHC registers respectively.

In-order for IEEE802.1Qav (CBS) algorithm to work as intended
and provide BW reservation CBS should be enabled in highest
priority queue first. If we enable CBS on any of low priority
queues, the traffic in high priority queue does not allow low
priority queue to be selected for transmission and bandwidth
reservation is not guaranteed.

Signed-off-by: Aravindhan Gunasekaran <aravindhan.gunasekaran@intel.com>
Signed-off-by: Mallikarjuna Chilakala <mallikarjuna.chilakala@intel.com>
Tested-by: Dvora Fuxbrumer <dvorax.fuxbrumer@linux.intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
3 years agoigc: Simplify TSN flags handling
Vinicius Costa Gomes [Mon, 9 Aug 2021 14:53:39 +0000 (20:23 +0530)]
igc: Simplify TSN flags handling

Separates the procedure done during reset from applying a
configuration, knowing when the code is executing allow us to
separate the better what changes the hardware state from what
changes only the driver state.

Introduces a flag for bookkeeping the driver state of TSN
features. When Qav and frame-preemption is also implemented
this flag makes it easier to keep track on whether a TSN feature
driver state is enabled or not though controller state changes,
say, during a reset.

Signed-off-by: Vinicius Costa Gomes <vinicius.gomes@intel.com>
Signed-off-by: Aravindhan Gunasekaran <aravindhan.gunasekaran@intel.com>
Signed-off-by: Mallikarjuna Chilakala <mallikarjuna.chilakala@intel.com>
Tested-by: Dvora Fuxbrumer <dvorax.fuxbrumer@linux.intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
3 years agoigc: Use default cycle 'start' and 'end' values for queues
Vinicius Costa Gomes [Mon, 9 Aug 2021 14:53:38 +0000 (20:23 +0530)]
igc: Use default cycle 'start' and 'end' values for queues

Sets default values for each queue cycle start and cycle end.
This allows some simplification in the handling of these
configurations as most TSN features in i225 require a cycle
to be configured.

In i225, cycle start and end time is required to be programmed
for CBS to work properly.

Signed-off-by: Vinicius Costa Gomes <vinicius.gomes@intel.com>
Signed-off-by: Aravindhan Gunasekaran <aravindhan.gunasekaran@intel.com>
Signed-off-by: Mallikarjuna Chilakala <mallikarjuna.chilakala@intel.com>
Tested-by: Dvora Fuxbrumer <dvorax.fuxbrumer@linux.intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
3 years agoum: vector: adjust to coalesce API changes
Johannes Berg [Fri, 27 Aug 2021 07:48:04 +0000 (09:48 +0200)]
um: vector: adjust to coalesce API changes

The API changes were propagated to most drivers, but clearly
arch/um/drivers/ was missed, perhaps due to looking only at
the drivers/ folder. Fix that.

Fixes: f3ccfda19319 ("ethtool: extend coalesce setting uAPI with CQE mode")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Link: https://lore.kernel.org/r/20210827094759.f3ab06684bd0.I985181cc00fe017cfe6413d9e1bb720cbe852e6d@changeid
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
3 years agoocteontx2-af: cn10K: support for sched lmtst and other features
Harman Kalra [Thu, 26 Aug 2021 12:33:40 +0000 (18:03 +0530)]
octeontx2-af: cn10K: support for sched lmtst and other features

Enhancing the mailbox scope to support important configurations
like enabling scheduled LMTST, disable LMTLINE prefetch, disable
early completion for ordered LMTST, as per request from the
application. On FLR these configurations will be reset to default.
This patch also adds the 95XXO silicon version to octeontx2 silicon
list.

Signed-off-by: Harman Kalra <hkalra@marvell.com>
Signed-off-by: Sunil Goutham <sgoutham@marvell.com>
Signed-off-by: Geetha sowjanya <gakula@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agophy: marvell: phy-mvebu-a3700-comphy: Remove unsupported modes
Pali Rohár [Fri, 27 Aug 2021 09:27:53 +0000 (11:27 +0200)]
phy: marvell: phy-mvebu-a3700-comphy: Remove unsupported modes

Armada 3700 does not support RXAUI, XFI and neither SFI. Remove unused
macros for these unsupported modes.

Signed-off-by: Pali Rohár <pali@kernel.org>
Fixes: 9695375a3f4a ("phy: add A3700 COMPHY support")
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agophy: marvell: phy-mvebu-a3700-comphy: Rename HS-SGMMI to 2500Base-X
Pali Rohár [Fri, 27 Aug 2021 09:27:52 +0000 (11:27 +0200)]
phy: marvell: phy-mvebu-a3700-comphy: Rename HS-SGMMI to 2500Base-X

Comphy phy mode 0x3 is incorrectly named. It is not SGMII but rather
2500Base-X mode which runs at 3.125 Gbps speed.

Rename macro names and comments to 2500Base-X.

Signed-off-by: Pali Rohár <pali@kernel.org>
Fixes: 9695375a3f4a ("phy: add A3700 COMPHY support")
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agophy: marvell: phy-mvebu-cp110-comphy: Rename HS-SGMMI to 2500Base-X
Pali Rohár [Fri, 27 Aug 2021 09:27:51 +0000 (11:27 +0200)]
phy: marvell: phy-mvebu-cp110-comphy: Rename HS-SGMMI to 2500Base-X

Comphy phy mode 0x3 is incorrectly named. It is not SGMII but rather
2500Base-X mode which runs at 3.125 Gbps speed.

Rename macro names and comments to 2500Base-X.

Signed-off-by: Pali Rohár <pali@kernel.org>
Fixes: eb6a1fcb53e2 ("phy: mvebu-cp110-comphy: Add SMC call support")
Fixes: c2afb2fef595 ("phy: mvebu-cp110-comphy: Rename the macro handling only Ethernet modes")
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agoMerge branch 'hns3-cleanups'
David S. Miller [Fri, 27 Aug 2021 10:20:21 +0000 (11:20 +0100)]
Merge branch 'hns3-cleanups'

Guangbin Huang says:

====================
net: hns3: add some cleanups

This series includes some cleanups for the HNS3 ethernet driver.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: hns3: uniform type of function parameter cmd
Hao Chen [Fri, 27 Aug 2021 09:28:24 +0000 (17:28 +0800)]
net: hns3: uniform type of function parameter cmd

The parameter cmd in function definition of hns3_dbg_bd_file_init and
hns3_dbg_common_file_init is used type u32, this patch uniforms them
in function declaration to type u32 too.

Signed-off-by: Hao Chen <chenhao288@hisilicon.com>
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: hns3: merge some repetitive macros
Peng Li [Fri, 27 Aug 2021 09:28:23 +0000 (17:28 +0800)]
net: hns3: merge some repetitive macros

There are some repetitive macros have same meaning and value, this patch
merges them to make code clean.

Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: hns3: package new functions to simplify hclgevf_mbx_handler code
Peng Li [Fri, 27 Aug 2021 09:28:22 +0000 (17:28 +0800)]
net: hns3: package new functions to simplify hclgevf_mbx_handler code

This patch packages two new function to simplify the function
hclgevf_mbx_handler, and it can reduce the code cycle complexity
and make code more concise.

Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: hns3: remove redundant param to simplify code
Peng Li [Fri, 27 Aug 2021 09:28:21 +0000 (17:28 +0800)]
net: hns3: remove redundant param to simplify code

The param msg_q is redundant, copy &req->msg to
hdev->arq.msg_q[hdev->arq.tail] directly makes code clean.
So removes the redundant param msg_q.

Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: hns3: use memcpy to simplify code
Peng Li [Fri, 27 Aug 2021 09:28:20 +0000 (17:28 +0800)]
net: hns3: use memcpy to simplify code

Use memcpy to copy req->msg.resp_data to resp->additional_info,
to simplify the code and improve a little efficiency.

Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: hns3: remove redundant param mbx_event_pending
Peng Li [Fri, 27 Aug 2021 09:28:19 +0000 (17:28 +0800)]
net: hns3: remove redundant param mbx_event_pending

This patch removes the redundant param mbx_event_pending.

Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: hns3: add hns3_state_init() to do state initialization
Huazhong Tan [Fri, 27 Aug 2021 09:28:18 +0000 (17:28 +0800)]
net: hns3: add hns3_state_init() to do state initialization

To improve the readability and maintainability, add hns3_state_init() to
initialize the state, and this new function will be used to add more state
initialization in the future.

Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: hns3: add macros for mac speeds of firmware command
Guangbin Huang [Fri, 27 Aug 2021 09:28:17 +0000 (17:28 +0800)]
net: hns3: add macros for mac speeds of firmware command

To improve code readability, replace digital numbers of mac speeds
defined by firmware command with macros.

Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agoMerge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/
David S. Miller [Fri, 27 Aug 2021 10:16:29 +0000 (11:16 +0100)]
Merge branch 'master' of git://git./linux/kernel/git/klassert/
ipsec-next

Steffen Klassert says:

====================
pull request (net-next): ipsec-next 2021-08-27

1) Remove an unneeded extra variable in esp4 esp_ssg_unref.
   From Corey Minyard.

2) Add a configuration option to change the default behaviour
   to block traffic if there is no matching policy.
   Joint work with Christian Langrock and Antony Antony.

3) Fix a shift-out-of-bounce bug reported from syzbot.
   From Pavel Skripkin.

Please pull or let me know if there are problems.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agoMerge tag 'mlx5-updates-2021-08-26' of git://git.kernel.org/pub/scm/linux/kernel...
David S. Miller [Fri, 27 Aug 2021 08:53:31 +0000 (09:53 +0100)]
Merge tag 'mlx5-updates-2021-08-26' of git://git./linux/kernel/git/saeed/linux

Saeed Mahameed says:

====================
This patch series contains various fixes, additions and improvements to
mlx5 software steering.

Patch 1:
  adds support for REMOVE_HEADER packet reformat - a new reformat type
  that is supported starting with ConnectX-6 DX, and allows removing an
  arbitrary size packet segment at a selected position.

Patches 2 and 3:
  add support for VLAN pop on TX and VLAN push on RX flows.

Patch 4:
  enables retransmission mechanism for the SW Steering RC QP.

Patch 5:
  does some improvements to error flow in building STE array and adds
  a more informative printout of an invalid actions sequence.

Patch 6:
  improves error flow on SW Steering QP error.

Patch 7:
  reduces the log level of a message that is printed when a table is
  connected to a lower/same level destination table, as this case proves to
  be not as rare as it was in the past.

Patch 8:
  adds missing support for matching on IPv6 flow label for devices
  older than ConnectX-6 DX.

Patch 9:
  replaces uintN_t types with kernel-style types.

Patch 10:
  allows for using the right API for updating flow tables - if it is
  a FW-owned table, then FW API will be used.

Patch 11:
  adds support for 'ignore_flow_level' on multi-destination flow
  tables that are created by SW Steering.

Patch 12:
   optimizes FDB RX steering rule by skipping matching on source port,
   as the source port for all incoming packets equals to wire.

Patch 13:
   is a small code refactoring - it merges several DR_STE_SIZE enums
   into a single enum.

Patch 14:
   does some additional refactoring and removes HW-specific STE type
   from NIC domain.

Patch 15:
   removes rehash ctrl struct from dr_htbl struct and saves some memory.

Patch 16:
   does a more significant improvement in terms of memory consumption
   and was able to save about 1.6 Gb for 8M rules.

Patch 17:
   adds support for update FTE, which is needed for cases where there
   are multiple rules with the same match.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agoMerge branch 'mptcp-Optimize-received-options-handling'
David S. Miller [Fri, 27 Aug 2021 08:45:07 +0000 (09:45 +0100)]
Merge branch 'mptcp-Optimize-received-options-handling'

Mat Martineau says:

====================
mptcp: Optimize received options handling

These patches optimize received MPTCP option handling in terms of both
storage and fewer conditionals to evaluate in common cases, and also add
a couple of cleanup patches.

Patches 1 and 5 do some cleanup in checksum option parsing and
clarification of lock handling.

Patches 2 and 3 rearrange struct mptcp_options_received to shrink it
slightly and consolidate frequently used fields in the same cache line.

Patch 4 optimizes incoming MPTCP option parsing to skip many extra
comparisons in the common case where only a DSS option is present.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agomptcp: make the locking tx schema more readable
Paolo Abeni [Fri, 27 Aug 2021 00:44:54 +0000 (17:44 -0700)]
mptcp: make the locking tx schema more readable

Florian noted the locking schema used by __mptcp_push_pending()
is hard to follow, let's add some more descriptive comments
and drop an unneeded and confusing check.

Suggested-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agomptcp: optimize the input options processing
Paolo Abeni [Fri, 27 Aug 2021 00:44:53 +0000 (17:44 -0700)]
mptcp: optimize the input options processing

Most MPTCP packets carries a single MPTCP subption: the
DSS containing the mapping for the current packet.

Check explicitly for the above, so that is such scenario we
replace most conditional statements with a single likely() one.

Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agomptcp: consolidate in_opt sub-options fields in a bitmask
Paolo Abeni [Fri, 27 Aug 2021 00:44:52 +0000 (17:44 -0700)]
mptcp: consolidate in_opt sub-options fields in a bitmask

This makes input options processing more consistent with
output ones and will simplify the next patch.

Also avoid clearing the suboption field after processing
it, since it's not needed.

Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agomptcp: better binary layout for mptcp_options_received
Paolo Abeni [Fri, 27 Aug 2021 00:44:51 +0000 (17:44 -0700)]
mptcp: better binary layout for mptcp_options_received

This change reorder the mptcp_options_received fields
to shrink the structure a bit and to ensure the most
frequently used fields are all in the first cacheline.

Sub-opt specific flags are moved out of the suboptions area,
and we must now explicitly set them when the relevant
suboption is parsed.

There is a notable exception: 'csum_reqd' is used by both DSS
and MPC suboptions, and keeping such field in the suboptions
flag area will simplfy the next patch.

Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agomptcp: do not set unconditionally csum_reqd on incoming opt
Paolo Abeni [Fri, 27 Aug 2021 00:44:50 +0000 (17:44 -0700)]
mptcp: do not set unconditionally csum_reqd on incoming opt

Should be set only if the ingress packets present it, otherwise
we can confuse csum validation.

Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agotcp: enable mid stream window clamp
Neil Spring [Wed, 25 Aug 2021 21:01:17 +0000 (14:01 -0700)]
tcp: enable mid stream window clamp

The TCP_WINDOW_CLAMP socket option is defined in tcp(7) to "Bound the size
of the advertised window to this value."  Window clamping is distributed
across two variables, window_clamp ("Maximal window to advertise" in
tcp.h) and rcv_ssthresh ("Current window clamp").

This patch updates the function where the window clamp is set to also
reduce the current window clamp, rcv_sshthresh, if needed.  With this,
setting the TCP_WINDOW_CLAMP option has the documented effect of limiting
the window.

Signed-off-by: Neil Spring <ntspring@fb.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Link: https://lore.kernel.org/r/20210825210117.1668371-1-ntspring@fb.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
3 years agoMerge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Jakub Kicinski [Thu, 26 Aug 2021 20:45:47 +0000 (13:45 -0700)]
Merge git://git./linux/kernel/git/netdev/net

drivers/net/wwan/mhi_wwan_mbim.c - drop the extra arg.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
3 years agonet/mlx5: DR, Add support for update FTE
Yevgeny Kliteynik [Thu, 8 Jul 2021 13:58:39 +0000 (16:58 +0300)]
net/mlx5: DR, Add support for update FTE

Add the support for update FTE, which is needed for cases where there are
multiple rules with the same match. In such case fs_core will merge the
actions and call update FTE to update current FTE. Since we don't want to
disrupt the traffic, we will add the new duplicate rule, and only then
remove the old duplicate rule.

Signed-off-by: Alex Vesker <valex@nvidia.com>
Signed-off-by: Yevgeny Kliteynik <kliteyn@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
3 years agonet/mlx5: DR, Improve rule tracking memory consumption
Yevgeny Kliteynik [Thu, 8 Jul 2021 13:51:29 +0000 (16:51 +0300)]
net/mlx5: DR, Improve rule tracking memory consumption

To track each STE of the rule a rule member was allocated, each
member would point to one STE. This means that we would allocate
40B (rule member) * number of STEs per rule.

To reduce this per rule allocation we use the STE tree pointers
for next_htbl and pointing STE to navigate the tree, this allows
us to keep only the pointer to the last STE of rule (always unique).
From the last rule STE we are able to traverse and rebuild all of
the STEs that construct the rule.

In our testing with 8M rules, each consisting of 7 STES, we were able
to reduce 1.6GB of memory.

Signed-off-by: Alex Vesker <valex@nvidia.com>
Signed-off-by: Erez Shitrit <erezsh@nvidia.com>
Signed-off-by: Yevgeny Kliteynik <kliteyn@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
3 years agonet/mlx5: DR, Remove rehash ctrl struct from dr_htbl
Yevgeny Kliteynik [Sun, 4 Jul 2021 17:54:26 +0000 (20:54 +0300)]
net/mlx5: DR, Remove rehash ctrl struct from dr_htbl

The calculations to decide for the maximum allowed collision threshold
are simple and there is no reason to save them on the htbl struct.

Signed-off-by: Erez Shitrit <erezsh@nvidia.com>
Signed-off-by: Yevgeny Kliteynik <kliteyn@nvidia.com>
Reviewed-by: Alex Vesker <valex@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>