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Antoine Tenart says:
====================
net: mvpp2: MAC/GoP configuration
This is based on net-next (e2a7c34fb285).
I removed the GoP interrupt and PHY optional parts in this v2 to ease
the review process as the MAC/GoP initialization seemed to start less
discussions :)
This series now only aims at making the PPv2 driver less depending on
the firmware/bootloader initialization. Some patches cleanup some parts
as well, and add new interface descriptions in the dt.
The current implementation of the PPv2 driver relies on the
firmware/bootloader initialization to configure some parts, as the Group
of Ports (GoP) and the MACs (GMAC and/or XLG MAC --for 10G--). The
drawback is the kernel must be configured to match exactly what the
bootloader configures which is not convenient and is an issue when using
boards having an Ethernet port and an SFP port wired to the same GoP
port, as no dynamic configuration can be done.
This series adds the GoP and GMAC/XLG MAC initializations so that the
PPV2 does not have to rely on a previous initialization. One part is
still missing from this series, and that would be the 'comphy' which
provides shared serdes PHYs and which must be configured as well for a
full kernel initialization to work. This comphy support will be part of
a following up series. (This series was also tested with this 'comphy'
support, as it's nearly ready).
@Dave: patches 9 and 10 should go through the mvebu tree. Thanks!
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch documents the new marvell,system-controller property used by
the Marvell ppv2 network driver.
Signed-off-by: Antoine Tenart <antoine.tenart@free-electrons.com>
Tested-by: Marcin Wojtas <mw@semihalf.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The patch adds GoP (group of ports) initialization functions. The mvpp2
driver was relying on the firmware/bootloader initialization; this patch
moves this setup to the mvpp2 driver.
Signed-off-by: Antoine Tenart <antoine.tenart@free-electrons.com>
Tested-by: Marcin Wojtas <mw@semihalf.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Set maximum packet size for XLG 10G ports. Missing maximum packet size
for XLG configuration will cause kernel panic if oversized packet is
received by port.
Signed-off-by: Stefan Chulski <stefanc@marvell.com>
Signed-off-by: Antoine Tenart <antoine.tenart@free-electrons.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This adds a routine to initialize the XLG MAC at the port level when
using a port and the XAUI/10GKR interface mode. This wasn't done until
this commit, and the mvpp2 driver was relying on the bootloader/firmware
initialization. This doesn't mean everything is configured in the mvpp2
driver now, but it helps reducing the gap.
Signed-off-by: Antoine Tenart <antoine.tenart@free-electrons.com>
Tested-by: Marcin Wojtas <mw@semihalf.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This adds a routine to initialize the GMAC at the port level when using
a port. This wasn't done until this commit, and the mvpp2 driver was
relying on the bootloader/firmware initialization. This doesn't mean
everything is configured in the mvpp2 driver now, but it helps reducing
the gap.
Signed-off-by: Antoine Tenart <antoine.tenart@free-electrons.com>
Tested-by: Marcin Wojtas <mw@semihalf.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This moves the mii configuration in the ndo_open path, to allow handling
different mii configurations later and to switch between these
configurations at runtime.
Signed-off-by: Antoine Tenart <antoine.tenart@free-electrons.com>
Tested-by: Marcin Wojtas <mw@semihalf.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The macro defining the bit to toggle to bypass or not the
synchronization module is wrongly named. Writing 1 will disable bypass.
This patch s/MVPP22_CTRL4_SYNC_BYPASS/MVPP22_CTRL4_SYNC_BYPASS_DIS/.
Signed-off-by: Antoine Tenart <antoine.tenart@free-electrons.com>
Tested-by: Marcin Wojtas <mw@semihalf.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Cosmetic patch to use the same formatting rules on all register
definitions.
Signed-off-by: Antoine Tenart <antoine.tenart@free-electrons.com>
Tested-by: Marcin Wojtas <mw@semihalf.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The patch adds ERSPAN type II tunnel support. The implementation
is based on the draft at [1]. One of the purposes is for Linux
box to be able to receive ERSPAN monitoring traffic sent from
the Cisco switch, by creating a ERSPAN tunnel device.
In addition, the patch also adds ERSPAN TX, so Linux virtual
switch can redirect monitored traffic to the ERSPAN tunnel device.
The traffic will be encapsulated into ERSPAN and sent out.
The implementation reuses tunnel key as ERSPAN session ID, and
field 'erspan' as ERSPAN Index fields:
./ip link add dev ers11 type erspan seq key 100 erspan 123 \
local 172.16.1.200 remote 172.16.1.100
To use the above device as ERSPAN receiver, configure
Nexus 5000 switch as below:
monitor session 100 type erspan-source
erspan-id 123
vrf default
destination ip 172.16.1.200
source interface Ethernet1/11 both
source interface Ethernet1/12 both
no shut
monitor erspan origin ip-address 172.16.1.100 global
[1] https://tools.ietf.org/html/draft-foschiano-erspan-01
[2] iproute2 patch: http://marc.info/?l=linux-netdev&m=150306086924951&w=2
[3] test script: http://marc.info/?l=linux-netdev&m=150231021807304&w=2
Signed-off-by: William Tu <u9012063@gmail.com>
Signed-off-by: Meenakshi Vohra <mvohra@vmware.com>
Cc: Alexey Kuznetsov <kuznet@ms2.inr.ac.ru>
Cc: Hideaki YOSHIFUJI <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Remove two references to ufo in the udp send path that are no longer
reachable now that ufo has been removed.
Commit 85f1bd9a7b5a ("udp: consistently apply ufo or fragmentation")
is a fix to ufo. It is safe to revert what remains of it.
Also, no skb can enter ip_append_page with skb_is_gso true now that
skb_shinfo(skb)->gso_type is no longer set in ip_append_page/_data.
Signed-off-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Make this const as it is only stored in a const field of a
mdiobb_ctrl structure.
Signed-off-by: Bhumika Goyal <bhumirks@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Make this const as it is only stored in a const field of a
mdiobb_ctrl structure.
Signed-off-by: Bhumika Goyal <bhumirks@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Make this const as it is only stored in a const field of a
mdiobb_ctrl structure.
Signed-off-by: Bhumika Goyal <bhumirks@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Tonghao Zhang says:
====================
tcp: Simplify the tcp_conn_request.
Just simplify the tcp_conn_request function.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Tonghao Zhang <xiangxia.m.yue@gmail.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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tcp_peer_is_proven needs a proper route to make the
determination, but dst always is NULL. This bug may
be there at the beginning of git tree. This does not
look serious enough to deserve backports to stable
versions.
Signed-off-by: Tonghao Zhang <xiangxia.m.yue@gmail.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Haiyang Zhang says:
====================
hv_netvsc: Ethtool handler to change UDP hash levels
The patch set adds the functions to switch UDP hash level between
L3 and L4 by ethtool command. UDP over IPv4 and v6 can be set
differently. The default hash level is L4. We currently only
allow switching TX hash level from within the guests.
The ethtool callback function is triggered by command line, and
update the per device variables of the hash level.
On Azure, fragmented UDP packets is not yet supported with L4
hashing, and may have high packet loss rate. Using L3 hashing is
recommended in this case. This ethtool option allows a user to
make this selection.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Update Documentation/networking/netvsc.txt for UDP hash level setting
and related info.
Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The patch add the functions to switch UDP hash level between
L3 and L4 by ethtool command. UDP over IPv4 and v6 can be set
differently. The default hash level is L4. We currently only
allow switching TX hash level from within the guests.
On Azure, fragmented UDP packets have high loss rate with L4
hashing. Using L3 hashing is recommended in this case.
For example, for UDP over IPv4 on eth0:
To include UDP port numbers in hasing:
ethtool -N eth0 rx-flow-hash udp4 sdfn
To exclude UDP port numbers in hasing:
ethtool -N eth0 rx-flow-hash udp4 sd
To show UDP hash level:
ethtool -n eth0 rx-flow-hash udp4
Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The parameter "nvdev" is not in use.
Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The parameter "sk" is not in use.
Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Veerasenareddy Burru says:
====================
liquidio: VF driver will notify NIC firmware of MTU change
Make VF driver notify NIC firmware of MTU change. Firmware needs this
information for MTU propagation and enforcement.
The first patch in this series moves a macro definition to a proper place
to prevent a build error in the second patch which has the code that sends
the notification.
Change Log:
V1 -> V2
* Add "From:" line to patch #1 and #2 to give credit to the author.
* In patch #2, order local variable declarations from longest to
shortest line.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Veerasenareddy Burru <veerasenareddy.burru@cavium.com>
Signed-off-by: Felix Manlunas <felix.manlunas@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The macro LIO_CMD_WAIT_TM is not specific to the PF driver; it can be used
by the VF driver too, so move its definition from a PF-specific header file
to one that's common to PF and VF.
Signed-off-by: Veerasenareddy Burru <veerasenareddy.burru@cavium.com>
Signed-off-by: Felix Manlunas <felix.manlunas@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Make these const as they are only used in a copy operation.
Done using Coccinelle.
@match disable optional_qualifier@
identifier s;
@@
static struct ptp_clock_info s = {...};
@ref@
position p;
identifier match.s;
@@
s@p
@good1@
position ref.p;
identifier match.s,f,c;
expression e;
@@
(
e = s@p
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e = s@p.f
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c(...,s@p.f,...)
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c(...,s@p,...)
)
@bad depends on !good1@
position ref.p;
identifier match.s;
@@
s@p
@depends on forall !bad disable optional_qualifier@
identifier match.s;
@@
static
+ const
struct ptp_clock_info s;
Signed-off-by: Bhumika Goyal <bhumirks@gmail.com>
Acked-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Make these const as they are only used in a copy operation.
Done using Coccinelle.
@match disable optional_qualifier@
identifier s;
@@
static struct ptp_clock_info s = {...};
@ref@
position p;
identifier match.s;
@@
s@p
@good1@
position ref.p;
identifier match.s,f,c;
expression e;
@@
(
e = s@p
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e = s@p.f
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c(...,s@p.f,...)
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c(...,s@p,...)
)
@bad depends on !good1@
position ref.p;
identifier match.s;
@@
s@p
@depends on forall !bad disable optional_qualifier@
identifier match.s;
@@
static
+ const
struct ptp_clock_info s;
Signed-off-by: Bhumika Goyal <bhumirks@gmail.com>
Acked-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch adds the following support to the HNS3 driver:
1. Support to change the Maximum Transmission Unit of a
port in the HNS NIC hardware.
2. Initializes the supported MTU range for the netdevice.
Signed-off-by: lipeng <lipeng321@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Aviad Krawczyk says:
====================
Huawei HiNIC Ethernet Driver
The patch-set contains the support of the HiNIC Ethernet driver for
hinic family of PCIE Network Interface Cards.
The Huawei's PCIE HiNIC card is a new Ethernet card and hence there was
a need of a new driver.
The current driver is meant to be used for the Physical Function and there
would soon be a support for Virtual Function and more features once the
basic PF driver has been accepted.
Changes V7 -> V8:
1. Remove unnecessary cast from void * - Stephen Hemminger comment
https://lkml.org/lkml/2017/8/17/1008
Changes V6 -> V7:
1. Separate netpoll and MAINTAINERS patch - Sergei Shtylyov comment
https://lkml.org/lkml/2017/8/17/479
Changes V5 -> V6:
1. Fix cover letter Message-Id
Changes V4 -> V5:
1. Remove select_queue NOP - David Miller comment
https://lkml.org/lkml/2017/8/16/625
Changes V3 -> V4:
1. Reverse christmas tree order - David Miller comment
https://lkml.org/lkml/2017/8/3/862
Changes V2 -> V3:
1. Replace dev_ functions by netif_ functions - Joe Perches comment
https://lkml.org/lkml/2017/7/19/424
2. Fix the driver directory in MAINTAINERS file - Sergei Shtylyov comment
https://lkml.org/lkml/2017/7/19/615
3. Add a newline at the end of Makefile - David Miller comment
https://lkml.org/lkml/2017/7/19/1345
4. Return a pointer as a val instead of in arg - Francois Romieu comment
https://lkml.org/lkml/2017/7/19/1319
5. Change the error labels to err_xyz - Francois Romieu comment
https://lkml.org/lkml/2017/7/19/1319
6. Remove check of Func Type in free function - Francois Romieu comment
https://lkml.org/lkml/2017/7/19/1319
7. Remove !netdev check in remove function - Francois Romieu comment
https://lkml.org/lkml/2017/7/19/1319
8. Use module_pci_driver - Francois Romieu comment
https://lkml.org/lkml/2017/7/19/1319
9. Move the PCI device ID to the .c file - Francois Romieu comment
https://lkml.org/lkml/2017/7/19/1319
10. Remove void * to avoid passing wrong ptr - Francois Romieu comment
https://lkml.org/lkml/2017/7/19/1319
Changes V1 -> V2:
1. remove driver verstion - Andrew Lunn comment
https://lkml.org/lkml/2017/7/12/372
2. replace kzalloc by devm_kzalloc for short clean - Andrew Lunn comment
https://lkml.org/lkml/2017/7/12/372
3. replace pr_ functions by dev_ functions - Andrew Lunn comment
https://lkml.org/lkml/2017/7/12/375
4. seperate last patch by moving ops to a new patch - Andrew Lunn comment
https://lkml.org/lkml/2017/7/12/377
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Update MAINTAINERS file
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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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