Adds TCP segmentation offload (TSO) support. First version
of the silicon didn't support TSO offload, for this driver
level TSO support is added.
Signed-off-by: Sunil Goutham <sgoutham@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Adds receive side scaling (RSS) support to distribute
pkts/flows across multiple queues. Sets up key, indirection
table etc. Also added extraction of HW calculated rxhash and
adding to same to SKB ie NETIF_F_RXHASH offload support.
Signed-off-by: Sunil Goutham <sgoutham@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
HW reports many errors on the receive and transmit paths.
Such as incorrect queue configuration, pkt transmission errors,
LMTST instruction errors, transmit queue full etc. These are reported
via QINT interrupt. Most of the errors are fatal and needs
reinitialization.
Also added support to allocate receive buffers in non-atomic context
when allocation fails in NAPI context.
Signed-off-by: Geetha sowjanya <gakula@marvell.com>
Signed-off-by: Aleksey Makarov <amakarov@marvell.com>
Signed-off-by: Sunil Goutham <sgoutham@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch addes support to change interface MTU, MAC address
retrieval and config, RX mode ie unicast, multicast and promiscuous.
Also added link loopback support
Signed-off-by: Tomasz Duszynski <tduszynski@marvell.com>
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>
PF and AF (admin function) shares 64KB of reserved memory region for
communication. This region is shared for
- Messages sent by PF and responses sent by AF.
- Notifications sent by AF and ACKs sent by PF.
This patch adds infrastructure to handle notifications sent
by AF and adds handlers to process them.
One of the main usecase of notifications from AF is physical
link changes. So this patch adds registration of PF with AF
to receive link status change notifications and also adds
the handler for that notification.
Signed-off-by: Linu Cherian <lcherian@marvell.com>
Signed-off-by: Tomasz Duszynski <tduszynski@marvell.com>
Signed-off-by: Sunil Goutham <sgoutham@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch adds the packet transmission support.
For a given skb prepares send queue descriptors (SQEs) and pushes them
to HW. Here driver doesn't maintain it's own SQ rings, SQEs are pushed
to HW using a silicon specific operations called LMTST. From the
instuction HW derives the transmit queue number and queues the SQE to
that queue. These LMTST instructions are designed to avoid queue
maintenance in SW and lockless behavior ie when multiple cores are trying
to add SQEs to same queue then HW will takecare of serialization, no need
for SW to hold locks.
Also supports scatter/gather.
Co-developed-by: Geetha sowjanya <gakula@marvell.com>
Signed-off-by: Geetha sowjanya <gakula@marvell.com>
Signed-off-by: Sunil Goutham <sgoutham@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Added receive packet handling (NAPI) support, error stats, RX_ALL
capability config option to passon error pkts to stack upon user request.
In subsequent patches these error stats will be added to ethttool.
Signed-off-by: Sunil Goutham <sgoutham@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Completion queue (CQ) is the one with which HW notifies SW on a packet
reception or transmission. Each of the RQ and SQ are mapped to a unique
CQ and again both CQs are mapped to same interrupt ie the CINT. So that
each core has one interrupt source in whose handler both Rx and Tx
notifications are processed.
Also
- Registered a NAPI handler for the CINT.
- Setup coalescing parameters.
- IRQ affinity hints etc
Signed-off-by: Sunil Goutham <sgoutham@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch does the initialization of all queues ie the
receive buffer pools, receive and transmit queues, completion
or notification queues etc. Allocates all required resources
(eg transmit schedulers, receive buffers etc) and configures
them for proper functioning of queues. Also sets up receive
queue's RED dropping levels.
Co-developed-by: Geetha sowjanya <gakula@marvell.com>
Signed-off-by: Geetha sowjanya <gakula@marvell.com>
Signed-off-by: Sunil Goutham <sgoutham@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
For a PF to function as a NIC, NPA (for Rx buffers, Tx descriptors etc)
and NIX (for rcv, send and completion queues) are the minimum resources
needed. So request admin function (AF) to attach one each of NIX and NPA
block LFs (local functions).
Only AF can configure a LF's contexts, so request AF to allocate memory
for NPA aura/pool and NIX RQ/SQ/CQ HW contexts. Upon receiving response,
save some of the HW constants like number of pointers per stack page,
size of send queue buffer (SQBs, where SQEs are queued by HW) e.t.c which
are later used to initialize queues.
A HW context here is like a state machine maintained for a descriptor
queue. eg size, head/tail pointers, irq etc etc. HW maintains this in
memory.
Signed-off-by: Sunil Goutham <sgoutham@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
In the resource virtualization unit (RVU) each of the PF and AF
(admin function) share a 64KB of reserved memory region for
communication. This patch initializes PF <=> AF mailbox IRQs,
registers handlers for processing these communication messages.
Also adds support to process these messages in both directions
ie responses to PF initiated DOWN (PF => AF) messages and AF
initiated UP messages (AF => PF).
Mbox communication APIs and message formats are defined in AF driver
(drivers/net/ethernet/marvell/octeontx2/af), mbox.h from AF driver is
included here to avoid duplication.
Signed-off-by: Geetha sowjanya <gakula@marvell.com>
Signed-off-by: Christina Jacob <cjacob@marvell.com>
Signed-off-by: Subbaraya Sundeep <sbhatta@marvell.com>
Signed-off-by: Aleksey Makarov <amakarov@marvell.com>
Signed-off-by: Sunil Goutham <sgoutham@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch adds template for the Marvell's OcteonTX2 network
controller's physical function driver. Just the probe, PCI
specific initialization and netdev registration.
Signed-off-by: Sunil Goutham <sgoutham@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Daniel Borkmann says:
====================
pull-request: bpf-next 2020-01-27
The following pull-request contains BPF updates for your *net-next* tree.
We've added 20 non-merge commits during the last 5 day(s) which contain
a total of 24 files changed, 433 insertions(+), 104 deletions(-).
The main changes are:
1) Make BPF trampolines and dispatcher aware for the stack unwinder, from Jiri Olsa.
2) Improve handling of failed CO-RE relocations in libbpf, from Andrii Nakryiko.
3) Several fixes to BPF sockmap and reuseport selftests, from Lorenz Bauer.
4) Various cleanups in BPF devmap's XDP flush code, from John Fastabend.
5) Fix BPF flow dissector when used with port ranges, from Yoshiki Komachi.
6) Fix bpffs' map_seq_next callback to always inc position index, from Vasily Averin.
7) Allow overriding LLVM tooling for runqslower utility, from Andrey Ignatov.
8) Silence false-positive lockdep splats in devmap hash lookup, from Amol Grover.
9) Fix fentry/fexit selftests to initialize a variable before use, from John Sperbeck.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Moved structs, enums, and added function prototypes.
The affected functions are no longer static.
Signed-off-by: Alexandru-Mihai Maftei <amaftei@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Minor style fixes included due to name lengths changing.
Signed-off-by: Alexandru-Mihai Maftei <amaftei@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Display the following information via devlink info command:
- Driver name
- Board id
- Broad revision
- Board Serial number
- Board FW version
- FW parameter set version
- FW App version
- FW management version
- FW RoCE version
Standard output example:
$ devlink dev info pci/0000:3b:00.0
pci/0000:3b:00.0:
driver bnxt_en
serial_number 00-10-18-FF-FE-AD-05-00
versions:
fixed:
asic.id D802
asic.rev 1
running:
fw 216.1.124.0
fw.psid 0.0.0
fw.app 216.1.122.0
fw.mgmt 864.0.32.0
fw.roce 216.1.15.0
[ This version has incorporated changes suggested by Jakub Kicinski to
use generic devlink version tags. ]
v2: Use fw.psid
Cc: Jiri Pirko <jiri@mellanox.com>
Cc: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Vasundhara Volam <vasundhara-v.volam@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Instead of switch_id, renaming it to dsn will be more meaningful
so that it can be used to display device serial number in follow up
patch via devlink_info command.
Signed-off-by: Vasundhara Volam <vasundhara-v.volam@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch adds status notification to devlink flash update
while flashing is in progress.
$ devlink dev flash pci/0000:05:00.0 file 103.pkg
Preparing to flash
Flashing done
Cc: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Vasundhara Volam <vasundhara-v.volam@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Latest kernels get the phys_port_name via devlink, if
ndo_get_phys_port_name is not defined. To provide the phys_port_name
correctly, register devlink before registering netdev.
Also call devlink_port_type_eth_set() after registering netdev as
devlink port updates the netdev structure and notifies user.
Cc: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Vasundhara Volam <vasundhara-v.volam@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This will allow to register for devlink port and use port features.
Also register params only if firmware spec version is at least 0x10600
which will support reading/setting numbered variables in NVRAM.
Signed-off-by: Vasundhara Volam <vasundhara-v.volam@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Define bnxt_dl_params_register() and bnxt_dl_params_unregister()
functions and move params register/unregister code to these newly
defined functions. This patch is in preparation to register
devlink irrespective of firmware spec. version in the next patch.
Signed-off-by: Vasundhara Volam <vasundhara-v.volam@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The hardware bug has been fixed on B0 and newer chips, so disable the
workaround on these chips.
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Currently the only time we check and remove expired filters is
when we are inserting new filters.
Improving the aRFS expiry handling by adding code to do the above
work periodically.
Signed-off-by: Pavan Chebbi <pavan.chebbi@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
In bnxt_rx_flow_steer(), if the dissected packet is a fragment, do not
proceed to create the ntuple filter and return error instead. Otherwise
we would create a filter with 0 source and destination ports because
the dissected ports would not be available for fragments.
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
575XX (P5) chips have the same UDP RSS hashing capability as P4 chips,
so we can enable it on P5 chips.
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The dev_port is meant to distinguish the network ports belonging to
the same PCI function. Our devices only have one network port
associated with each PCI function and so we should not set it for
correctness.
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
If the 2nd parameter fw_dflt is not set, we are calling bnxt_probe_phy()
after the firmware has reset. There is no need to query the current
PHY settings from firmware as these settings may be different from
the ethtool settings that the driver will re-establish later. So
return earlier in bnxt_probe_phy() to save one firmware call.
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
In bnxt_update_phy_setting(), ethtool_get_link_ksettings() and
bnxt_disable_an_for_lpbk(), we inconsistently use netif_carrier_ok()
to determine link. Instead, we should use bp->link_info.link_up
which has the true link state. The netif_carrier state may be off
during self-test and while the device is being reset and may not always
reflect the true link state.
By always using bp->link_info.link_up, the code is now more
consistent and more correct. Some unnecessary link toggles are
now prevented with this patch.
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Second set of patches for v5.6. Nothing special standing out, smaller
new features and fixes allover.
Major changes:
ar5523
* add support for SMCWUSBT-G2 USB device
iwlwifi
* support new versions of the FTM FW APIs
* support new version of the beacon template FW API
* print some extra information when the driver is loaded
rtw88
* support wowlan feature for 8822c
* add support for WIPHY_WOWLAN_NET_DETECT
brcmfmac
* add initial support for monitor mode
qtnfmac
* add module parameter to enable DFS offloading in firmware
* add support for STA HE rates
* add support for TWT responder and spatial reuse
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Merge tag 'wireless-drivers-next-2020-01-26' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next
Kalle Valo says:
====================
wireless-drivers-next patches for v5.6
Second set of patches for v5.6. Nothing special standing out, smaller
new features and fixes allover.
Major changes:
ar5523
* add support for SMCWUSBT-G2 USB device
iwlwifi
* support new versions of the FTM FW APIs
* support new version of the beacon template FW API
* print some extra information when the driver is loaded
rtw88
* support wowlan feature for 8822c
* add support for WIPHY_WOWLAN_NET_DETECT
brcmfmac
* add initial support for monitor mode
qtnfmac
* add module parameter to enable DFS offloading in firmware
* add support for STA HE rates
* add support for TWT responder and spatial reuse
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
'alloc_etherdev_mqs()' expects first 'tx', then 'rx'. The semantic here
looks reversed.
Reorder the arguments passed to 'alloc_etherdev_mqs()' in order to keep
the correct semantic.
In fact, this is a no-op because both XGENE_NUM_[RT]X_RING are 8.
Fixes: 107dec2749 ("drivers: net: xgene: Add support for multiple queues")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
Now that we depend on rcu_call() and synchronize_rcu() to also wait
for preempt_disabled region to complete the rcu read critical section
in __dev_map_flush() is no longer required. Except in a few special
cases in drivers that need it for other reasons.
These originally ensured the map reference was safe while a map was
also being free'd. And additionally that bpf program updates via
ndo_bpf did not happen while flush updates were in flight. But flush
by new rules can only be called from preempt-disabled NAPI context.
The synchronize_rcu from the map free path and the rcu_call from the
delete path will ensure the reference there is safe. So lets remove
the rcu_read_lock and rcu_read_unlock pair to avoid any confusion
around how this is being protected.
If the rcu_read_lock was required it would mean errors in the above
logic and the original patch would also be wrong.
Now that we have done above we put the rcu_read_lock in the driver
code where it is needed in a driver dependent way. I think this
helps readability of the code so we know where and why we are
taking read locks. Most drivers will not need rcu_read_locks here
and further XDP drivers already have rcu_read_locks in their code
paths for reading xdp programs on RX side so this makes it symmetric
where we don't have half of rcu critical sections define in driver
and the other half in devmap.
Signed-off-by: John Fastabend <john.fastabend@gmail.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Jesper Dangaard Brouer <brouer@redhat.com>
Link: https://lore.kernel.org/bpf/1580084042-11598-4-git-send-email-john.fastabend@gmail.com
virtio_net currently relies on rcu critical section to access the xdp
program in its xdp_xmit handler. However, the pointer to the xdp program
is only used to do a NULL pointer comparison to determine if xdp is
enabled or not.
Use rcu_access_pointer() instead of rcu_dereference() to reflect this.
Then later when we drop rcu_read critical section virtio_net will not
need in special handling.
Signed-off-by: John Fastabend <john.fastabend@gmail.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Jesper Dangaard Brouer <brouer@redhat.com>
Link: https://lore.kernel.org/bpf/1580084042-11598-3-git-send-email-john.fastabend@gmail.com
Defaults for min_mtu and max_mtu are set by ether_setup(), which is
called from devm_alloc_etherdev(). Let rtl_jumbo_max() only return
a positive value if actually jumbo packets are supported. This also
allows to remove constant Jumbo_1K which is a little misleading anyway.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
An 'alloc_etherdev()' called is not ballanced by a corresponding
'free_netdev()' call in one error handling path.
Slighly reorder the error handling code to catch the missed case.
Fixes: c100e47caa ("mlxsw: minimal: Add ethtool support")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Fix xdp_result initialization in netsec_process_rx in order to not
increase rx counters if there is no bpf program attached to the xdp hook
and napi_gro_receive returns GRO_DROP
Fixes: ba2b232108 ("net: netsec: add XDP support")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Acked-by: Jesper Dangaard Brouer <brouer@redhat.com>
Acked-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Fix possible use-after-free in in netsec_process_rx that can occurs if
the first packet is sent to the normal networking stack and the
following one is dropped by the bpf program attached to the xdp hook.
Fix the issue defining the skb pointer in the 'budget' loop
Fixes: ba2b232108 ("net: netsec: add XDP support")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Acked-by: Jesper Dangaard Brouer <brouer@redhat.com>
Acked-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Register the dev_net notifier and allow the per-net notifier to follow
the device into different namespace.
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Recently XDP Support was added to the mvneta driver
for software buffer management only.
It is still possible to attach an XDP program if
hardware buffer management is used.
It is not doing anything at that point.
The patch disallows attaching XDP programs to mvneta
if hardware buffer management is used.
I am sorry about that. It is my first submission and I am having
some troubles with the format of my emails.
v4 -> v5:
- Remove extra tabs
v3 -> v4:
- Please ignore v3 I accidentally submitted
my other patch with git-send-mail and v4 is correct
v2 -> v3:
- My mailserver corrupted the patch
resubmission with git-send-email
v1 -> v2:
- Fixing the patches indentation
Signed-off-by: Sven Auhagen <sven.auhagen@voleatech.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
The loop counter addr is a u16 where as the upper limit of the loop
is an int. In the unlikely event that the il->cfg->eeprom_size is
greater than 64K then we end up with an infinite loop since addr will
wrap around an never reach upper loop limit. Fix this by making addr
an int.
Addresses-Coverity: ("Infinite loop")
Fixes: be663ab670 ("iwlwifi: split the drivers for agn and legacy devices 3945/4965")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Acked-by: Stanislaw Gruszka <stf_xl@wp.pl>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
There is a spelling mistake in one of the fields in the btc_coexist struct,
fix it.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
drivers/net/wireless/realtek/rtlwifi/rtl8723ae/dm.c:16:18:
warning: ofdmswing_table defined but not used [-Wunused-const-variable=]
drivers/net/wireless/realtek/rtlwifi/rtl8723ae/dm.c:56:17:
warning: cckswing_table_ch1ch13 defined but not used [-Wunused-const-variable=]
drivers/net/wireless/realtek/rtlwifi/rtl8723ae/dm.c:92:17:
warning: cckswing_table_ch14 defined but not used [-Wunused-const-variable=]
These variable is never used, so remove them.
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
drivers/net/wireless/realtek/rtlwifi/rtl8192ee/dm.c:15:18:
warning: ofdmswing_table defined but not used [-Wunused-const-variable=]
drivers/net/wireless/realtek/rtlwifi/rtl8192ee/dm.c:61:17:
warning: cckswing_table_ch1ch13 defined but not used [-Wunused-const-variable=]
drivers/net/wireless/realtek/rtlwifi/rtl8192ee/dm.c:97:17:
warning: cckswing_table_ch14 defined but not used [-Wunused-const-variable=]
These variable is never used, so remove them.
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
drivers/net/wireless/realtek/rtlwifi/rtl8821ae/dm.c:142:17:
warning: cckswing_table_ch1ch13 defined but not used [-Wunused-const-variable=]
drivers/net/wireless/realtek/rtlwifi/rtl8821ae/dm.c:178:17:
warning: cckswing_table_ch14 defined but not used [-Wunused-const-variable=]
drivers/net/wireless/realtek/rtlwifi/rtl8821ae/dm.c:96:18:
warning: ofdmswing_table defined but not used [-Wunused-const-variable=]
These variable is never used, so remove them.
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Variable cond is being assigned with a value that is never
read, it is assigned a new value later on. The assignment is
redundant and can be removed.
Addresses-Coverity: ("Unused value")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Acked-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Add support for 11ax features: TWT responder and spatial reuse.
Add separate structure for spatial reuse parameters and pass this
structure to firmware along with other parameters in start_ap
command. Pass TWT responder value to firmware. Bump qlink
protocol version.
Signed-off-by: Mikhail Karpenko <mkarpenko@quantenna.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Add HE rates into STA info. Report HE Rx/Tx MCS if STA supports them.
Signed-off-by: Sergey Matyukevich <sergey.matyukevich.os@quantenna.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Bridging qtnfmac interfaces is possible only if the following two
conditions are fulfilled:
- firmware advertises proper support with QLINK_HW_CAPAB_HW_BRIDGE
- kernel is built with CONFIG_NET_SWITCHDEV support
Otherwise adding qtnfmac wireless interfaces into the same bridge
should not be allowed since packets flooded by kernel may break
internal forwarding rules between interfaces.
This patch disables adding qtnfmac wireless interfaces into the
same bridge if no support is provided either by card or by kernel.
Signed-off-by: Sergey Matyukevich <sergey.matyukevich.os@quantenna.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Firmware may support DFS offload. However the final decision on whether
to use it or not should be up to the user. So even if firmware supports
DFS offload, it should be enabled only if user explicitly requests it.
For this purpose introduce kernel param dfs_offload which is disabled
by default.
Signed-off-by: Sergey Matyukevich <sergey.matyukevich.os@quantenna.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
