Commit Graph
242 Commits
Author SHA1 Message Date
Lorenzo BianconiandFelix Fietkau db78ee08d9 mt76: move mt76_get_antenna in mt76_core module
Move mt76_get_antenna in mac80211.c in order to be reused by all
drivers. Initialize .get_antenna function pointer for mt76x0, mt7603,
mt7615 and mt76x2u drivers

Signed-off-by: Lorenzo Bianconi <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
2019-11-20 12:27:21 +01:00
Lorenzo BianconiandFelix Fietkau a85c06cec8 mt76: use mt76_dev in mt76_is_{mmio,usb}
Convert mt76_is_mmio and mt76_is_usb to rely on mt76_dev instead of
mt76x02_dev since this is a property not strictly related to hw chipset
and it will be more reusable

Signed-off-by: Lorenzo Bianconi <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
2019-11-20 12:26:32 +01:00
Lorenzo BianconiandFelix Fietkau 3cbaf81a18 mt76: mt76u: rely on a dedicated stats workqueue
rate controller and throughput are very sensitive to tx status timing.
In order to improve performances when the system is heavily loaded,
substitute stat_work delayed_work with a regular work_struct and create
a mt76u dedicated workqueue for tx status reporting

Signed-off-by: Lorenzo Bianconi <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
2019-11-20 12:26:32 +01:00
Lorenzo BianconiandFelix Fietkau 20f0589787 mt76: mt76u: rely on usb_interface instead of usb_dev
usb drivers are supposed to communicate using usb_interface instead
mt76x{0,2}u is now registering through usb_device. Fix it by passing
usb_intf device to mt76_alloc_device routine.

Fixes: 112f980ac8926 ("mt76usb: use usb_dev private data")
Signed-off-by: Lorenzo Bianconi <[email protected]>
Tested-By: Zero_Chaos <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
2019-11-20 12:26:32 +01:00
Lorenzo BianconiandFelix Fietkau f2be00b101 mt76: dma: fix buffer unmap with non-linear skbs
mt76 dma layer is supposed to unmap skb data buffers while keep txwi
mapped on hw dma ring. At the moment mt76 wrongly unmap txwi or does
not unmap data fragments in even positions for non-linear skbs. This
issue may result in hw hangs with A-MSDU if the system relies on IOMMU
or SWIOTLB. Fix this behaviour properly unmapping data fragments on
non-linear skbs.

Fixes: 17f1de56df05 ("mt76: add common code shared between multiple chipsets")
Signed-off-by: Lorenzo Bianconi <[email protected]>
2019-10-28 08:42:32 +01:00
Lorenzo BianconiandFelix Fietkau c14d6563c4 mt76: mt76x2e: disable pcie_aspm by default
On same device (e.g. U7612E-H1) PCIE_ASPM causes continuous mcu hangs and
instability. Since mt76x2 series does not manage PCIE PS states, first we
try to disable ASPM using pci_disable_link_state. If it fails, we will
disable PCIE PS configuring PCI registers.
This patch has been successfully tested on U7612E-H1 mini-pice card

Tested-by: Oleksandr Natalenko <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
Signed-off-by: Lorenzo Bianconi <[email protected]>
2019-10-28 08:42:23 +01:00
Felix Fietkau d868638fdd mt76: remove obsolete .add_buf() from struct mt76_queue_ops
It hasn't been used in a while

Signed-off-by: Felix Fietkau <[email protected]>
2019-10-14 12:01:24 +02:00
Lorenzo BianconiandFelix Fietkau 028071d959 mt76: mt7615: report tx_time, bss_rx and busy time to mac80211
Report tx time/rx time and obss time from hw mib counters to fill survey
info requested by mac80211

Co-developed-by: Felix Fietkau <[email protected]>
Signed-off-by: Lorenzo Bianconi <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
2019-09-26 18:03:36 +02:00
Felix Fietkau 0e5050ee79 mt76: mt76x02: track approximate tx airtime for airtime fairness and survey
Estimate by calculating duration for EWMA packet size + estimated A-MPDU
length on tx status events

Signed-off-by: Felix Fietkau <[email protected]>
2019-09-26 14:59:06 +02:00
Felix Fietkau ee310307ad mt76: mt7603: track tx airtime for airtime fairness and survey
Poll per-station hardware counters after tx status events

Signed-off-by: Felix Fietkau <[email protected]>
2019-09-26 14:59:06 +02:00
Felix Fietkau f34b1ae42c mt76: track rx airtime for airtime fairness and survey
Report total rx airtime for valid stations as BSS rx time in survey

mt7615 is left out for now, it will be supported later by reading
hardware counters instead of calculating airtime in software

Signed-off-by: Felix Fietkau <[email protected]>
2019-09-26 12:42:08 +02:00
Felix Fietkau a1d6891501 mt76: store current channel survey_state in struct mt76_dev
Move mt76_channel_state() from mt76.h to mac80211.c
Preparation for updating channel state from more places in the drivers/core

Signed-off-by: Felix Fietkau <[email protected]>
2019-09-26 12:42:08 +02:00
Felix Fietkau b0429879ea mt76: rename mt76_driver_ops txwi_flags to drv_flags and include tx aligned4
This reduces the struct size and is useful for adding more flags later

Signed-off-by: Felix Fietkau <[email protected]>
2019-09-26 12:42:08 +02:00
Felix Fietkau 202776352b mt76: report rx a-mpdu subframe status
This can be used in monitor mode to figure out which subframes were sent as
part of which A-MPDU

Signed-off-by: Felix Fietkau <[email protected]>
2019-09-26 12:42:08 +02:00
Lorenzo BianconiandFelix Fietkau 23e8aed3ac mt76: move aggr_stats array in mt76_dev
Move aggr_stats array from mt76x02_dev to mt76_dev in order to be reused
adding aggregation stats for mt7603/mt7615 drivers

Signed-off-by: Lorenzo Bianconi <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
2019-09-26 12:04:20 +02:00
Lorenzo BianconiandFelix Fietkau fbc59e6439 mt76: move queue debugfs entry to driver specific code
Move queue debugfs entry to driver specific code since mt7615 devices
rely on a different queue layout

Signed-off-by: Lorenzo Bianconi <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
2019-09-26 12:04:20 +02:00
Felix Fietkau 9c5df3cb6a mt76: remove aggr_work field from struct mt76_wcid
It is unused

Signed-off-by: Felix Fietkau <[email protected]>
2019-09-15 18:43:15 +02:00
Stanislaw GruszkaandFelix Fietkau 0167bfa7b2 mt76: make mt76_rx_convert static
mt76_rx_convert() not need to be exported any longer.

Signed-off-by: Stanislaw Gruszka <[email protected]>
2019-09-05 17:49:41 +02:00
Felix Fietkau 2a0edbb447 mt76: remove offchannel check in tx scheduling
tx queues are already disabled by mac80211 during scanning or other
off-channel activity. There is no need to repeat the check in mt76,
since scheduled queues are selected by mac80211 as well.

Signed-off-by: Balakrishna Bandi <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
2019-08-22 10:08:56 +02:00
Lorenzo BianconiandFelix Fietkau a7fa326039 mt76: add default implementation for mt76_sw_scan/mt76_sw_scan_complete
Introduce a default implementation for mt76_sw_scan and
mt76_sw_scan_complete in mt76 module and remove duplicated code
since most of the drivers share the same implementation

Signed-off-by: Lorenzo Bianconi <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
2019-08-22 09:26:30 +02:00
Ryder LeeandFelix Fietkau 37673a4181 mt76: fix some checkpatch warnings
This fixes the following checkpatch warnings:
CHECK: Alignment should match open parenthesis
CHECK: No space is necessary after a cast

Signed-off-by: Ryder Lee <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
2019-08-22 09:26:30 +02:00
Lorenzo BianconiandFelix Fietkau 281b10fc1f mt76: mt7615: add BIP_CMAC_128 cipher support
Refactor mt7615_mac_wtbl_set_key and introduce
the following routines in order to configure wtbl entries
and properly add hw support to BIP_CMAC_128 cipher:
- mt7615_mac_wtbl_update_cipher
- mt7615_mac_wtbl_update_pk
- mt7615_mac_wtbl_update_key

Signed-off-by: Lorenzo Bianconi <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
2019-08-21 13:02:33 +02:00
Lorenzo BianconiandFelix Fietkau af860c0dec mt76: move mt76_tx_tasklet in mt76 module
Move mt76{15,03}_tx_tasklet in mt76_alloc_device in order to be used as
default tx_tasklet initialization. Remove duplicated code in
mt7603/mt7615 drivers

Signed-off-by: Lorenzo Bianconi <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
2019-08-21 13:02:33 +02:00
Lorenzo BianconiandFelix Fietkau 1f44159b41 mt76: mt7603: move survey_time in mt76_dev
Move survey_time field in mt76_dev in order to be reused adding survey
support to mt7615 driver

Signed-off-by: Lorenzo Bianconi <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
2019-08-21 13:02:33 +02:00
Ryder LeeandFelix Fietkau f625afcedc mt76: switch to SPDX tag instead of verbose boilerplate text
No functional change intended.

Add SPDX identifiers to all remaining files in /mt76.

Signed-off-by: Ryder Lee <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
2019-08-20 15:22:20 +02:00
Lorenzo BianconiandFelix Fietkau 4947ad4eab mt76: introduce mt76_mmio_read_copy routine
Add mt76_mmio_read_copy routine and the related function pointer in
mt76_bus_ops data structure. mt76_mmio_read_copy will be used to add
BIP_CMAC_128 cipher hw support to mt7615 driver

Signed-off-by: Lorenzo Bianconi <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
2019-08-20 15:21:27 +02:00
Stanislaw GruszkaandFelix Fietkau 307be50cc5 mt76: usb: remove unneeded {put,get}_unaligned
Compiler give us guarantees on variables alignment, so use
an variable as buffer when read/write registers and remove
unneeded {put,get}_unaligned.

Signed-off-by: Stanislaw Gruszka <[email protected]>
2019-07-12 15:56:23 +02:00
Felix Fietkau 48800e7b60 Revert "mt76: usb: remove unneeded {put,get}_unaligned"
This reverts commit f43b6228fa.
2019-07-12 15:52:02 +02:00
Stanislaw GruszkaandFelix Fietkau f43b6228fa mt76: usb: remove unneeded {put,get}_unaligned
Compiler give us guaranties on variables alignment, so use
an variable as buffer when read/write registers and remove
unneeded {put,get}_unaligned.

Signed-off-by: Stanislaw Gruszka <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
2019-07-04 20:02:16 +02:00
Lorenzo BianconiandFelix Fietkau d680ab01cd mt76: usb: fix rx A-MSDU support
Commit f8f527b16db5 ("mt76: usb: use EP max packet aligned buffer sizes
for rx") breaks A-MSDU support. When A-MSDU is enable the device can
receive frames up to q->buf_size but they will be discarded in
mt76u_process_rx_entry since there is no enough room for
skb_shared_info. Fix the issue reallocating the skb and copying in the
linear area the first 128B of the received frames and in the frag_list
the remaining part

Fixes: f8f527b16db5 ("mt76: usb: use EP max packet aligned buffer sizes for rx")
Signed-off-by: Lorenzo Bianconi <[email protected]>
2019-06-25 13:21:19 +02:00
Lorenzo BianconiandFelix Fietkau 3386ccf784 mt76: mt76u: get rid of {out,in}_max_packet
Remove {out,in}_max_packet from mt76_usb data structure since
they just track last usb endpoint and they are not actually used

Signed-off-by: Lorenzo Bianconi <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
2019-06-25 13:19:51 +02:00
Lorenzo BianconiandFelix Fietkau 2dca431cd7 mt76: move nl80211_dfs_regions in mt76_dev data structure
Move dfs region field in mt76_dev data structure since it is
used by all drivers. This is a preliminary patch to add DFS support to
mt7615 driver

Signed-off-by: Lorenzo Bianconi <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
2019-06-25 13:19:51 +02:00
Lorenzo BianconiandFelix Fietkau 9dd1089a29 mt76: mt76u: reduce rx memory footprint
Reduce rx memory footprint allocating just one SG buffer since for the
moment we support just 3839B as maximal size of an A-MSDU.
Introduce different SG_MAX_SIZE definitions for TX and RX sides.
Moreover set q->buf_size to PAGE_SIZE even for SG case.

Signed-off-by: Lorenzo Bianconi <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
2019-06-25 13:19:51 +02:00
Felix Fietkau 47ddf4b722 mt76: revert support for TX_NEEDS_ALIGNED4_SKBS
This didn't bring the performance benefit that I had hoped for, so the mac80211
patch for this will not make it upstream

Signed-off-by: Felix Fietkau <[email protected]>
2019-06-24 23:56:23 +02:00
Felix Fietkau 335e8c6baf Revert "mt76: usb: fix rx A-MSDU support"
This reverts commit 2bfae5a252.
To be replaced with a fixed version

Signed-off-by: Felix Fietkau <[email protected]>
2019-06-24 23:53:37 +02:00
Felix Fietkau 0d5caead97 Revert "mt76: usb: do not always copy the first part of received frames"
This reverts commit b0335320fc.

Signed-off-by: Felix Fietkau <[email protected]>
2019-06-24 23:53:37 +02:00
Lorenzo BianconiandFelix Fietkau b0335320fc mt76: usb: do not always copy the first part of received frames
Set usb buffer size taking into account skb_shared_info in order to
not always copy the first part of received frames if A-MSDU is enabled
for SG capable devices

Signed-off-by: Lorenzo Bianconi <[email protected]>
2019-06-07 19:04:04 +02:00
Lorenzo BianconiandFelix Fietkau 2bfae5a252 mt76: usb: fix rx A-MSDU support
Commit f8f527b16db5 ("mt76: usb: use EP max packet aligned buffer sizes
for rx") breaks A-MSDU support. When A-MSDU is enable the device can
receive frames up to q->buf_size but they will be discarded in
mt76u_process_rx_entry since there is no enough room for
skb_shared_info. Fix the issue reallocating the skb and copying in the
linear area the first 128B of the received frames and in the frag_list
the remaining part.

Fixes: f8f527b16db5 ("mt76: usb: use EP max packet aligned buffer sizes for rx")
Signed-off-by: Lorenzo Bianconi <[email protected]>
2019-06-07 19:03:54 +02:00
Lorenzo BianconiandFelix Fietkau 5b9b62e0b0 mt76: move mt76_get_rate in mt76-module
Move mt7603_get_rate in mac80211.c and rename it to mt76_get_rate
since it is shared between mt7603 and mt7615 drivers

Signed-off-by: Lorenzo Bianconi <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
2019-06-07 19:00:05 +02:00
Lorenzo BianconiandFelix Fietkau 899efe755b mt76: move mt76_insert_ccmp_hdr in mt76-module
Move mt7615_insert_ccmp_hdr in mac80211.c and rename it in
mt76_insert_ccmp_hdr since it is shared between mt7603 and mt7615
drivers

Signed-off-by: Lorenzo Bianconi <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
2019-06-07 19:00:05 +02:00
Felix Fietkau f575da2f01 mt76: mt76x02: fix tx status reporting issues
When the hardware falls back to lower rates for a transmit attempt, only the
first status report will show the number of retries correctly. The frames
that follow will report the correct final rate, but number of retries set to 0.
This can cause the rate control module to vastly underestimate the number of
retransmissions per rate.

To fix this, we need to keep track of the initial requested tx rate per packet
and pass it to the status information.
For frames with tx status requested, this is simple: use the rate configured
in info->control.rates[0] as reference.
For no-skb tx status information, we have to encode the requested tx rate in
the packet id (and make it possible to distinguish it from real packet ids).

To do that, reduce the packet id field size by one bit, and use that bit to
indicate packet id vs rate.

This change also improves reporting by filling the status rate array with
rates from first rate to final rate, taking the same steps as the hardware
fallback table. This matters in corner cases like MCS8 on HT, where the
fallback target is MCS0, not MCS7.

Signed-off-by: Felix Fietkau <[email protected]>
2019-06-05 21:03:59 +02:00
Lorenzo BianconiandFelix Fietkau 6b184272ba mt76: move tx_napi in mt76_dev
Move tx_napi in mt76_dev data structure in order to implement
concurrency between tx scheduling and tx cleanup in mt7603 and mt7615
drivers

Signed-off-by: Lorenzo Bianconi <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
2019-05-11 15:25:58 +02:00
Lorenzo BianconiandFelix Fietkau 6e790e106a mt76: move pre_tbtt_tasklet in mt76_dev
Move pre_tbtt_tasklet tasklet in mt76_dev data structure since
it is used by all drivers

Signed-off-by: Lorenzo Bianconi <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
2019-04-30 17:52:28 +02:00
Lorenzo BianconiandFelix Fietkau 74ab2cf617 mt76: move beacon_mask in mt76_dev
Move beacon_mask in mt76_dev data structure since it is used by
all drivers

Signed-off-by: Lorenzo Bianconi <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
2019-04-30 11:43:51 +02:00
Lorenzo BianconiandFelix Fietkau f43fccf099 mt76: move beacon_int in mt76_dev
Move beacon_int in mt76_dev data structure since it is used by
all drivers

Signed-off-by: Lorenzo Bianconi <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
2019-04-30 11:43:51 +02:00
Lorenzo BianconiandFelix Fietkau 9a9c6569e9 mt76: introduce mt76_mcu_restart macro
Use common function wrapper in mt76x02_watchdog_reset

Signed-off-by: Lorenzo Bianconi <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
2019-04-30 11:37:12 +02:00
Lorenzo BianconiandFelix Fietkau be8f0394e3 mt76: mt7603: initialize mt76_mcu_ops data structure
Use __mt76_mcu_send_msg wrapper instead of mt7603_mcu_msg_send.
This is a preliminary patch for mt7615-mt7603 mcu code unification

Signed-off-by: Lorenzo Bianconi <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
2019-04-30 11:37:12 +02:00
Stanislaw GruszkaandFelix Fietkau 6c1cab9aba mt76usb: fix tx/rx stop
Disabling tasklets on stopping rx/tx is wrong. If blocked tasklet
is scheduled and we remove device we will get 100% cpu usage:

  PID USER      PR  NI    VIRT    RES    SHR S  %CPU  %MEM     TIME+ COMMAND
    9 root      20   0       0      0      0 R  93.8   0.0   1:47.19 ksoftirqd/0

by infinite loop in tasklet_action_common() and eventuall crash on next
mt76usb module load:

[ 2068.591964] RIP: 0010:tasklet_action_common.isra.17+0x66/0x100
[ 2068.591966] Code: 41 89 f5 eb 25 f0 48 0f ba 33 00 0f 83 b1 00 00 00 48 8b 7a 20 48 8b 42 18 e8 56 a3 b5 00 f0 80 23 fd 48 89 ea 48 85 ed 74 53 <48> 8b 2a 48 8d 5a 08 f0 48 0f ba 6a 08 01 72 0b 8b 42 10 85 c0 74
[ 2068.591968] RSP: 0018:ffff98758c34be58 EFLAGS: 00010206
[ 2068.591969] RAX: ffff98758e6966d0 RBX: ffff98756e69aef8 RCX: 0000000000000006
[ 2068.591970] RDX: 01060a053d060305 RSI: 0000000000000006 RDI: ffff98758e6966d0
[ 2068.591971] RBP: 01060a053d060305 R08: 0000000000000000 R09: 00000000000203c0
[ 2068.591971] R10: 000003ff65b34f08 R11: 0000000000000001 R12: ffff98758e6966d0
[ 2068.591972] R13: 0000000000000006 R14: 0000000000000040 R15: 0000000000000006
[ 2068.591974] FS:  0000000000000000(0000) GS:ffff98758e680000(0000) knlGS:0000000000000000
[ 2068.591975] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2068.591975] CR2: 00002c5f73a6cc20 CR3: 00000002f920a001 CR4: 00000000003606e0
[ 2068.591977] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 2068.591978] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 2068.591978] Call Trace:
[ 2068.591985]  __do_softirq+0xe3/0x30a
[ 2068.591989]  ? sort_range+0x20/0x20
[ 2068.591990]  run_ksoftirqd+0x26/0x40
[ 2068.591992]  smpboot_thread_fn+0xc5/0x160
[ 2068.591995]  kthread+0x112/0x130
[ 2068.591997]  ? kthread_create_on_node+0x40/0x40
[ 2068.591998]  ret_from_fork+0x35/0x40
[ 2068.591999] Modules linked in: ccm arc4 fuse rfcomm cmac bnep sunrpc snd_hda_codec_hdmi snd_soc_skl snd_soc_core snd_soc_acpi_intel_match snd_hda_codec_realtek snd_soc_acpi snd_hda_codec_generic snd_soc_skl_ipc snd_soc_sst_ipc snd_soc_sst_dsp snd_hda_ext_core iTCO_wdt snd_hda_intel intel_rapl iTCO_vendor_support x86_pkg_temp_thermal intel_powerclamp btusb mei_wdt coretemp btrtl snd_hda_codec btbcm btintel intel_cstate snd_hwdep intel_uncore uvcvideo snd_hda_core videobuf2_vmalloc videobuf2_memops intel_rapl_perf wmi_bmof videobuf2_v4l2 intel_wmi_thunderbolt snd_seq bluetooth joydev videobuf2_common snd_seq_device snd_pcm videodev media i2c_i801 snd_timer idma64 ecdh_generic intel_lpss_pci intel_lpss mei_me mei ucsi_acpi typec_ucsi processor_thermal_device intel_soc_dts_iosf intel_pch_thermal typec thinkpad_acpi wmi snd soundcore rfkill int3403_thermal int340x_thermal_zone int3400_thermal acpi_thermal_rel acpi_pad pcc_cpufreq uas usb_storage crc32c_intel i915 i2c_algo_bit nvme serio_raw
[ 2068.592033]  drm_kms_helper e1000e nvme_core drm video ipv6 [last unloaded: cfg80211]

Fortunate thing is that this not happen frequently, as scheduling
tasklet on blocked state is very exceptional, though might happen.

Due to different RX/TX tasklet processing fix is different for those.

For RX we have to assure rx_tasklet do fail to resubmit buffers
by poisoning urb's and kill the tasklet.

For TX we need to handle all stop cases properly (suspend, module
unload, device removal).

Signed-off-by: Stanislaw Gruszka <[email protected]>
2019-04-29 13:37:59 +02:00
Lorenzo BianconiandFelix Fietkau c47a5685d0 mt76: dma: introduce skb field in mt76_txwi_cache
Introduce skb field in mt76_txwi_cache. Moreover add txwi_flags
to mt76_driver_ops since new chipsets will release mt76_txwi_cache/skbs
at tx completion instead of dma one.
This is a preliminary patch to add mt7615 support

Signed-off-by: Lorenzo Bianconi <[email protected]>
2019-04-25 12:04:34 +02:00
Lorenzo BianconiandFelix Fietkau 5007326555 mt76: add skb pointer to mt76_tx_info
Pass skb pointer to tx_prepare_skb through mt76_tx_info data structure.
This is a preliminary patch to properly support dma error path for
new chipsets (e.g. 7615)

Signed-off-by: Lorenzo Bianconi <[email protected]>
2019-04-25 12:04:34 +02:00