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Author SHA1 Message Date
David S. Miller 89b1698c93 Merge ra.kernel.org:/pub/scm/linux/kernel/git/davem/net 
The BTF conflicts were simple overlapping changes.

The virtio_net conflict was an overlap of a fix of statistics counter,
happening alongisde a move over to a bonafide statistics structure
rather than counting value on the stack.

Signed-off-by: David S. Miller <davem@davemloft.net>
 2018-08-02 10:55:32 -07:00
dann frazier 7856e86162 hinic: Link the logical network device to the pci device in sysfs 
Otherwise interfaces get exposed under /sys/devices/virtual, which
doesn't give udev the context it needs for PCI-based predictable
interface names.

Signed-off-by: dann frazier <dann.frazier@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2018-07-25 13:54:52 -07:00
David S. Miller 19725496da Merge ra.kernel.org:/pub/scm/linux/kernel/git/davem/net 2018-07-24 19:21:58 -07:00
Zhao Chen f7482683f1 net-next/hinic: fix a problem in hinic_xmit_frame() 
The calculation of "wqe_size" is not correct when the tx queue is busy in
hinic_xmit_frame().

When there are no free WQEs, the tx flow will unmap the skb buffer, then
ring the doobell for the pending packets. But the "wqe_size" which used
to calculate the doorbell address is not correct. The wqe size should be
cleared to 0, otherwise, it will cause a doorbell error.

This patch fixes the problem.

Reported-by: Zhou Wang <wangzhou1@hisilicon.com>
Signed-off-by: Zhao Chen <zhaochen6@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2018-07-19 23:27:32 -07:00
Colin Ian King 541a1fecff net: hinic: remove redundant pointer pfhwdev 
Pointer pfhwdev is being assigned but is never used hence it is
redundant and can be removed.

Cleans up clang warning:
warning: variable 'pfhwdev' set but not used [-Wunused-but-set-variable]

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2018-07-04 22:39:11 +09:00
Wei Yongjun 82be2ab159 hinic: reset irq affinity before freeing irq 
Following warning is seen when rmmod hinic. This is because affinity
value is not reset before calling free_irq(). This patch fixes it.

[   55.181232] WARNING: CPU: 38 PID: 19589 at kernel/irq/manage.c:1608
__free_irq+0x2aa/0x2c0

Fixes: 352f58b0d9 ("net-next/hinic: Set Rxq irq to specific cpu for NUMA")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2018-06-28 13:34:57 +09:00
Kees Cook fad953ce0b treewide: Use array_size() in vzalloc() 
The vzalloc() function has no 2-factor argument form, so multiplication
factors need to be wrapped in array_size(). This patch replaces cases of:

        vzalloc(a * b)

with:
        vzalloc(array_size(a, b))

as well as handling cases of:

        vzalloc(a * b * c)

with:

        vzalloc(array3_size(a, b, c))

This does, however, attempt to ignore constant size factors like:

        vzalloc(4 * 1024)

though any constants defined via macros get caught up in the conversion.

Any factors with a sizeof() of "unsigned char", "char", and "u8" were
dropped, since they're redundant.

The Coccinelle script used for this was:

// Fix redundant parens around sizeof().
@@
type TYPE;
expression THING, E;
@@

(
  vzalloc(
-	(sizeof(TYPE)) * E
+	sizeof(TYPE) * E
  , ...)
|
  vzalloc(
-	(sizeof(THING)) * E
+	sizeof(THING) * E
  , ...)
)

// Drop single-byte sizes and redundant parens.
@@
expression COUNT;
typedef u8;
typedef __u8;
@@

(
  vzalloc(
-	sizeof(u8) * (COUNT)
+	COUNT
  , ...)
|
  vzalloc(
-	sizeof(__u8) * (COUNT)
+	COUNT
  , ...)
|
  vzalloc(
-	sizeof(char) * (COUNT)
+	COUNT
  , ...)
|
  vzalloc(
-	sizeof(unsigned char) * (COUNT)
+	COUNT
  , ...)
|
  vzalloc(
-	sizeof(u8) * COUNT
+	COUNT
  , ...)
|
  vzalloc(
-	sizeof(__u8) * COUNT
+	COUNT
  , ...)
|
  vzalloc(
-	sizeof(char) * COUNT
+	COUNT
  , ...)
|
  vzalloc(
-	sizeof(unsigned char) * COUNT
+	COUNT
  , ...)
)

// 2-factor product with sizeof(type/expression) and identifier or constant.
@@
type TYPE;
expression THING;
identifier COUNT_ID;
constant COUNT_CONST;
@@

(
  vzalloc(
-	sizeof(TYPE) * (COUNT_ID)
+	array_size(COUNT_ID, sizeof(TYPE))
  , ...)
|
  vzalloc(
-	sizeof(TYPE) * COUNT_ID
+	array_size(COUNT_ID, sizeof(TYPE))
  , ...)
|
  vzalloc(
-	sizeof(TYPE) * (COUNT_CONST)
+	array_size(COUNT_CONST, sizeof(TYPE))
  , ...)
|
  vzalloc(
-	sizeof(TYPE) * COUNT_CONST
+	array_size(COUNT_CONST, sizeof(TYPE))
  , ...)
|
  vzalloc(
-	sizeof(THING) * (COUNT_ID)
+	array_size(COUNT_ID, sizeof(THING))
  , ...)
|
  vzalloc(
-	sizeof(THING) * COUNT_ID
+	array_size(COUNT_ID, sizeof(THING))
  , ...)
|
  vzalloc(
-	sizeof(THING) * (COUNT_CONST)
+	array_size(COUNT_CONST, sizeof(THING))
  , ...)
|
  vzalloc(
-	sizeof(THING) * COUNT_CONST
+	array_size(COUNT_CONST, sizeof(THING))
  , ...)
)

// 2-factor product, only identifiers.
@@
identifier SIZE, COUNT;
@@

  vzalloc(
-	SIZE * COUNT
+	array_size(COUNT, SIZE)
  , ...)

// 3-factor product with 1 sizeof(type) or sizeof(expression), with
// redundant parens removed.
@@
expression THING;
identifier STRIDE, COUNT;
type TYPE;
@@

(
  vzalloc(
-	sizeof(TYPE) * (COUNT) * (STRIDE)
+	array3_size(COUNT, STRIDE, sizeof(TYPE))
  , ...)
|
  vzalloc(
-	sizeof(TYPE) * (COUNT) * STRIDE
+	array3_size(COUNT, STRIDE, sizeof(TYPE))
  , ...)
|
  vzalloc(
-	sizeof(TYPE) * COUNT * (STRIDE)
+	array3_size(COUNT, STRIDE, sizeof(TYPE))
  , ...)
|
  vzalloc(
-	sizeof(TYPE) * COUNT * STRIDE
+	array3_size(COUNT, STRIDE, sizeof(TYPE))
  , ...)
|
  vzalloc(
-	sizeof(THING) * (COUNT) * (STRIDE)
+	array3_size(COUNT, STRIDE, sizeof(THING))
  , ...)
|
  vzalloc(
-	sizeof(THING) * (COUNT) * STRIDE
+	array3_size(COUNT, STRIDE, sizeof(THING))
  , ...)
|
  vzalloc(
-	sizeof(THING) * COUNT * (STRIDE)
+	array3_size(COUNT, STRIDE, sizeof(THING))
  , ...)
|
  vzalloc(
-	sizeof(THING) * COUNT * STRIDE
+	array3_size(COUNT, STRIDE, sizeof(THING))
  , ...)
)

// 3-factor product with 2 sizeof(variable), with redundant parens removed.
@@
expression THING1, THING2;
identifier COUNT;
type TYPE1, TYPE2;
@@

(
  vzalloc(
-	sizeof(TYPE1) * sizeof(TYPE2) * COUNT
+	array3_size(COUNT, sizeof(TYPE1), sizeof(TYPE2))
  , ...)
|
  vzalloc(
-	sizeof(TYPE1) * sizeof(THING2) * (COUNT)
+	array3_size(COUNT, sizeof(TYPE1), sizeof(TYPE2))
  , ...)
|
  vzalloc(
-	sizeof(THING1) * sizeof(THING2) * COUNT
+	array3_size(COUNT, sizeof(THING1), sizeof(THING2))
  , ...)
|
  vzalloc(
-	sizeof(THING1) * sizeof(THING2) * (COUNT)
+	array3_size(COUNT, sizeof(THING1), sizeof(THING2))
  , ...)
|
  vzalloc(
-	sizeof(TYPE1) * sizeof(THING2) * COUNT
+	array3_size(COUNT, sizeof(TYPE1), sizeof(THING2))
  , ...)
|
  vzalloc(
-	sizeof(TYPE1) * sizeof(THING2) * (COUNT)
+	array3_size(COUNT, sizeof(TYPE1), sizeof(THING2))
  , ...)
)

// 3-factor product, only identifiers, with redundant parens removed.
@@
identifier STRIDE, SIZE, COUNT;
@@

(
  vzalloc(
-	(COUNT) * STRIDE * SIZE
+	array3_size(COUNT, STRIDE, SIZE)
  , ...)
|
  vzalloc(
-	COUNT * (STRIDE) * SIZE
+	array3_size(COUNT, STRIDE, SIZE)
  , ...)
|
  vzalloc(
-	COUNT * STRIDE * (SIZE)
+	array3_size(COUNT, STRIDE, SIZE)
  , ...)
|
  vzalloc(
-	(COUNT) * (STRIDE) * SIZE
+	array3_size(COUNT, STRIDE, SIZE)
  , ...)
|
  vzalloc(
-	COUNT * (STRIDE) * (SIZE)
+	array3_size(COUNT, STRIDE, SIZE)
  , ...)
|
  vzalloc(
-	(COUNT) * STRIDE * (SIZE)
+	array3_size(COUNT, STRIDE, SIZE)
  , ...)
|
  vzalloc(
-	(COUNT) * (STRIDE) * (SIZE)
+	array3_size(COUNT, STRIDE, SIZE)
  , ...)
|
  vzalloc(
-	COUNT * STRIDE * SIZE
+	array3_size(COUNT, STRIDE, SIZE)
  , ...)
)

// Any remaining multi-factor products, first at least 3-factor products
// when they're not all constants...
@@
expression E1, E2, E3;
constant C1, C2, C3;
@@

(
  vzalloc(C1 * C2 * C3, ...)
|
  vzalloc(
-	E1 * E2 * E3
+	array3_size(E1, E2, E3)
  , ...)
)

// And then all remaining 2 factors products when they're not all constants.
@@
expression E1, E2;
constant C1, C2;
@@

(
  vzalloc(C1 * C2, ...)
|
  vzalloc(
-	E1 * E2
+	array_size(E1, E2)
  , ...)
)

Signed-off-by: Kees Cook <keescook@chromium.org>
 2018-06-12 16:19:22 -07:00
Zhao Chen 724e47a149 net-next/hinic: add pci device ids for 25ge and 100ge card 
This patch adds PCI device IDs to support 25GE and 100GE card:

1. Add device id 0x0201 for HINIC 100GE dual port card.
2. Add device id 0x0200 for HINIC 25GE dual port card.
3. Macro of device id 0x1822 is modified for HINIC 25GE quad port card.

Signed-off-by: Zhao Chen <zhaochen6@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2018-05-08 00:07:42 -04:00
Zhao Chen 292eba02db net-next/hinic: add arm64 support 
This patch enables arm64 platform support for the HINIC driver.

Signed-off-by: Zhao Chen <zhaochen6@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2018-04-19 13:34:44 -04:00
Romain Perier 3203e1d96c hinic: Replace PCI pool old API 
The PCI pool API is deprecated.  Replace the PCI pool old API by the
appropriate function with the DMA pool API.

Signed-off-by: Romain Perier <romain.perier@collabora.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: David S. Miller <davem@davemloft.net>
 2018-01-02 16:14:49 -06:00
Aviad Krawczyk bbdc9e687f net-next/hinic: Fix a case of Tx Queue is Stopped forever 
Fix the following scenario:
1. tx_free_poll is running on cpu X
2. xmit function is running on cpu Y and fails to get sq wqe
3. tx_free_poll frees wqes on cpu X and checks the queue is not stopped
4. xmit function stops the queue after failed to get sq wqe
5. The queue is stopped forever

Signed-off-by: Aviad Krawczyk <aviad.krawczyk@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2017-09-28 10:26:50 -07:00
Aviad Krawczyk 352f58b0d9 net-next/hinic: Set Rxq irq to specific cpu for NUMA 
Set Rxq irq to specific cpu for allocating and receiving the skb from
the same node.

Signed-off-by: Aviad Krawczyk <aviad.krawczyk@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2017-09-28 10:26:50 -07:00
Vitaly Kuznetsov c8488a8ad7 hinic: don't build the module by default 
We probably don't want to enable code supporting particular hardware by
default e.g. when someone does 'make defconfig'. Other ethernet modules
don't do it.

Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2017-08-28 21:39:52 -07:00
Aviad Krawczyk cde66f24c3 net-next/hinic: fix comparison of a uint16_t type with -1 
Remove the search for index of constant buffer size

Signed-off-by: Aviad Krawczyk <aviad.krawczyk@huawei.com>
Signed-off-by: Zhao Chen <zhaochen6@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2017-08-28 16:44:39 -07:00
Aviad Krawczyk 52f31422d4 net-next/hinic: Fix MTU limitation 
Fix the hw MTU limitation by setting max_mtu

Signed-off-by: Aviad Krawczyk <aviad.krawczyk@huawei.com>
Signed-off-by: Zhao Chen <zhaochen6@huawei.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2017-08-28 16:43:46 -07:00
Dan Carpenter 7d8697afae hinic: skb_pad() frees on error 
The skb_pad() function frees the skb on error, so this code has a double
free.

Fixes: 00e57a6d4a ("net-next/hinic: Add Tx operation")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2017-08-25 17:13:04 -07:00
Dan Carpenter 256fbe1112 hinic: uninitialized variable in hinic_api_cmd_init() 
We never set the error code in this function.

Fixes: eabf0fad81 ("net-next/hinic: Initialize api cmd resources")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2017-08-24 21:47:11 -07:00
Colin Ian King 5719e5eb31 net: hinic: make functions set_ctrl0 and set_ctrl1 static 
The functions set_ctrl0 and set_ctrl1 are local to the source and do
not need to be in global scope, so make them static.

Cleans up sparse warnings:
symbol 'set_ctrl0' was not declared. Should it be static?
symbol 'set_ctrl1' was not declared. Should it be static?

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2017-08-23 22:20:28 -07:00
Aviad Krawczyk b553400bb4 net-next/hinic: Add netpoll 
Add more netdev operation - netpoll.

Signed-off-by: Aviad Krawczyk <aviad.krawczyk@huawei.com>
Signed-off-by: Zhao Chen <zhaochen6@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2017-08-22 10:48:54 -07:00
Aviad Krawczyk edd384f682 net-next/hinic: Add ethtool and stats 
Add ethtool operations and statistics operations.

Signed-off-by: Aviad Krawczyk <aviad.krawczyk@huawei.com>
Signed-off-by: Zhao Chen <zhaochen6@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2017-08-22 10:48:54 -07:00
Aviad Krawczyk 00e57a6d4a net-next/hinic: Add Tx operation 
Add transmit operation for sending data by qp operations.

Signed-off-by: Aviad Krawczyk <aviad.krawczyk@huawei.com>
Signed-off-by: Zhao Chen <zhaochen6@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2017-08-22 10:48:54 -07:00
Aviad Krawczyk e2585ea775 net-next/hinic: Add Rx handler 
Set the io resources in the nic and handle rx events by qp operations.

Signed-off-by: Aviad Krawczyk <aviad.krawczyk@huawei.com>
Signed-off-by: Zhao Chen <zhaochen6@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2017-08-22 10:48:54 -07:00
Aviad Krawczyk 7ef37fe4c1 net-next/hinic: Add cmdq completion handler 
Add cmdq completion handler for getting a notification about the
completion of cmdq commands.

Signed-off-by: Aviad Krawczyk <aviad.krawczyk@huawei.com>
Signed-off-by: Zhao Chen <zhaochen6@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2017-08-22 10:48:54 -07:00
Aviad Krawczyk 76baca2e92 net-next/hinic: Add cmdq commands 
Add cmdq commands for setting queue pair contexts in the nic.

Signed-off-by: Aviad Krawczyk <aviad.krawczyk@huawei.com>
Signed-off-by: Zhao Chen <zhaochen6@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2017-08-22 10:48:53 -07:00
Aviad Krawczyk fc9319e402 net-next/hinic: Add ceqs 
Initialize the completion event queues and handle ceq events by calling
the registered handlers. Used for cmdq command completion.

Signed-off-by: Aviad Krawczyk <aviad.krawczyk@huawei.com>
Signed-off-by: Zhao Chen <zhaochen6@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2017-08-22 10:48:53 -07:00
Aviad Krawczyk d0b9805e82 net-next/hinic: Initialize cmdq 
Create the work queues for cmdq and update the nic about the work queue
contexts. cmdq commands are used for updating the nic about the qp
contexts.

Signed-off-by: Aviad Krawczyk <aviad.krawczyk@huawei.com>
Signed-off-by: Zhao Chen <zhaochen6@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2017-08-22 10:48:53 -07:00
Aviad Krawczyk 53e7d6feb9 net-next/hinic: Set qp context 
Update the nic about the resources of the queue pairs.

Signed-off-by: Aviad Krawczyk <aviad.krawczyk@huawei.com>
Signed-off-by: Zhao Chen <zhaochen6@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2017-08-22 10:48:53 -07:00
Aviad Krawczyk f91090f7da net-next/hinic: Add qp resources 
Create the resources for queue pair operations: doorbell area,
consumer index address and producer index address.

Signed-off-by: Aviad Krawczyk <aviad.krawczyk@huawei.com>
Signed-off-by: Zhao Chen <zhaochen6@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2017-08-22 10:48:53 -07:00
Aviad Krawczyk b15a9f37be net-next/hinic: Add wq 
Create work queues for being used by the queue pairs.

Signed-off-by: Aviad Krawczyk <aviad.krawczyk@huawei.com>
Signed-off-by: Zhao Chen <zhaochen6@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2017-08-22 10:48:53 -07:00
Aviad Krawczyk c3e79baf1b net-next/hinic: Add logical Txq and Rxq 
Create the logical queues of the nic.

Signed-off-by: Aviad Krawczyk <aviad.krawczyk@huawei.com>
Signed-off-by: Zhao Chen <zhaochen6@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2017-08-22 10:48:53 -07:00
Aviad Krawczyk c4d06d2d20 net-next/hinic: Add Rx mode and link event handler 
Add port management message for setting Rx mode in the card,
used for rx_mode netdev operation.
The link event handler is used for getting a notification about the
link state.

Signed-off-by: Aviad Krawczyk <aviad.krawczyk@huawei.com>
Signed-off-by: Zhao Chen <zhaochen6@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2017-08-22 10:48:53 -07:00
Aviad Krawczyk 25a3ba6106 net-next/hinic: Add port management commands 
Add the port management commands that are sent as management messages.
The port management commands are used for netdev operations.

Signed-off-by: Aviad Krawczyk <aviad.krawczyk@huawei.com>
Signed-off-by: Zhao Chen <zhaochen6@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2017-08-22 10:48:53 -07:00
Aviad Krawczyk f00fe738b5 net-next/hinic: Add aeqs 
Handle aeq elements that are accumulated on the aeq by calling the
registered handler for the specific event.

Signed-off-by: Aviad Krawczyk <aviad.krawczyk@huawei.com>
Signed-off-by: Zhao Chen <zhaochen6@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2017-08-22 10:48:53 -07:00
Aviad Krawczyk 0ac599c790 net-next/hinic: Add api cmd commands 
Add the api cmd commands for sending management messages to the nic.

Signed-off-by: Aviad Krawczyk <aviad.krawczyk@huawei.com>
Signed-off-by: Zhao Chen <zhaochen6@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2017-08-22 10:48:53 -07:00
Aviad Krawczyk 6dd8b68214 net-next/hinic: Add management messages 
Add the management messages for sending to api cmd and the asynchronous
event handler for the completion of the messages.

Signed-off-by: Aviad Krawczyk <aviad.krawczyk@huawei.com>
Signed-off-by: Zhao Chen <zhaochen6@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2017-08-22 10:48:53 -07:00
Aviad Krawczyk 3dcea32193 net-next/hinic: Initialize api cmd hw 
Update the hardware about api cmd resources and initialize it.

Signed-off-by: Aviad Krawczyk <aviad.krawczyk@huawei.com>
Signed-off-by: Zhao Chen <zhaochen6@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2017-08-22 10:48:52 -07:00
Aviad Krawczyk eabf0fad81 net-next/hinic: Initialize api cmd resources 
Initialize api cmd resources as part of management initialization.

Signed-off-by: Aviad Krawczyk <aviad.krawczyk@huawei.com>
Signed-off-by: Zhao Chen <zhaochen6@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2017-08-22 10:48:52 -07:00
Aviad Krawczyk a5564e7e44 net-next/hinic: Initialize hw device components 
Initialize hw device by calling the initialization functions of aeqs and
management channel.

Signed-off-by: Aviad Krawczyk <aviad.krawczyk@huawei.com>
Signed-off-by: Zhao Chen <zhaochen6@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2017-08-22 10:48:52 -07:00
Aviad Krawczyk 51ba902a16 net-next/hinic: Initialize hw interface 
Initialize hw interface as part of the nic initialization for accessing hw.

Signed-off-by: Aviad Krawczyk <aviad.krawczyk@huawei.com>
Signed-off-by: Zhao Chen <zhaochen6@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2017-08-22 10:48:52 -07:00