linux.git/drivers/net/wireless/broadcom, branch v5.2-rc2

treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 20

2019-05-21T09:28:46+00:00

Based on 1 normalized pattern(s):

  this program is free software you can redistribute it and or modify
  it under the terms of the gnu general public license as published by
  the free software foundation either version 2 of the license or at
  your option any later version this program is distributed in the
  hope that it will be useful but without any warranty without even
  the implied warranty of merchantability or fitness for a particular
  purpose see the gnu general public license for more details you
  should have received a copy of the gnu general public license along
  with this program see the file copying if not write to the free
  software foundation inc 51 franklin steet fifth floor boston ma
  02110 1301 usa

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-or-later

has been chosen to replace the boilerplate/reference in 41 file(s).

Signed-off-by: Thomas Gleixner 
Reviewed-by: Jilayne Lovejoy 
Reviewed-by: Steve Winslow 
Reviewed-by: Kate Stewart 
Reviewed-by: Allison Randal 
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190519154042.524645346@linutronix.de
Signed-off-by: Greg Kroah-Hartman

treewide: Add SPDX license identifier - Makefile/Kconfig

2019-05-21T08:50:46+00:00

Add SPDX license identifiers to all Make/Kconfig files which:

 - Have no license information of any form

These files fall under the project license, GPL v2 only. The resulting SPDX
license identifier is:

  GPL-2.0-only

Signed-off-by: Thomas Gleixner 
Signed-off-by: Greg Kroah-Hartman

Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next

2019-05-08T05:03:58+00:00

Pull networking updates from David Miller:
 "Highlights:

   1) Support AES128-CCM ciphers in kTLS, from Vakul Garg.

   2) Add fib_sync_mem to control the amount of dirty memory we allow to
      queue up between synchronize RCU calls, from David Ahern.

   3) Make flow classifier more lockless, from Vlad Buslov.

   4) Add PHY downshift support to aquantia driver, from Heiner
      Kallweit.

   5) Add SKB cache for TCP rx and tx, from Eric Dumazet. This reduces
      contention on SLAB spinlocks in heavy RPC workloads.

   6) Partial GSO offload support in XFRM, from Boris Pismenny.

   7) Add fast link down support to ethtool, from Heiner Kallweit.

   8) Use siphash for IP ID generator, from Eric Dumazet.

   9) Pull nexthops even further out from ipv4/ipv6 routes and FIB
      entries, from David Ahern.

  10) Move skb->xmit_more into a per-cpu variable, from Florian
      Westphal.

  11) Improve eBPF verifier speed and increase maximum program size,
      from Alexei Starovoitov.

  12) Eliminate per-bucket spinlocks in rhashtable, and instead use bit
      spinlocks. From Neil Brown.

  13) Allow tunneling with GUE encap in ipvs, from Jacky Hu.

  14) Improve link partner cap detection in generic PHY code, from
      Heiner Kallweit.

  15) Add layer 2 encap support to bpf_skb_adjust_room(), from Alan
      Maguire.

  16) Remove SKB list implementation assumptions in SCTP, your's truly.

  17) Various cleanups, optimizations, and simplifications in r8169
      driver. From Heiner Kallweit.

  18) Add memory accounting on TX and RX path of SCTP, from Xin Long.

  19) Switch PHY drivers over to use dynamic featue detection, from
      Heiner Kallweit.

  20) Support flow steering without masking in dpaa2-eth, from Ioana
      Ciocoi.

  21) Implement ndo_get_devlink_port in netdevsim driver, from Jiri
      Pirko.

  22) Increase the strict parsing of current and future netlink
      attributes, also export such policies to userspace. From Johannes
      Berg.

  23) Allow DSA tag drivers to be modular, from Andrew Lunn.

  24) Remove legacy DSA probing support, also from Andrew Lunn.

  25) Allow ll_temac driver to be used on non-x86 platforms, from Esben
      Haabendal.

  26) Add a generic tracepoint for TX queue timeouts to ease debugging,
      from Cong Wang.

  27) More indirect call optimizations, from Paolo Abeni"

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1763 commits)
  cxgb4: Fix error path in cxgb4_init_module
  net: phy: improve pause mode reporting in phy_print_status
  dt-bindings: net: Fix a typo in the phy-mode list for ethernet bindings
  net: macb: Change interrupt and napi enable order in open
  net: ll_temac: Improve error message on error IRQ
  net/sched: remove block pointer from common offload structure
  net: ethernet: support of_get_mac_address new ERR_PTR error
  net: usb: smsc: fix warning reported by kbuild test robot
  staging: octeon-ethernet: Fix of_get_mac_address ERR_PTR check
  net: dsa: support of_get_mac_address new ERR_PTR error
  net: dsa: sja1105: Fix status initialization in sja1105_get_ethtool_stats
  vrf: sit mtu should not be updated when vrf netdev is the link
  net: dsa: Fix error cleanup path in dsa_init_module
  l2tp: Fix possible NULL pointer dereference
  taprio: add null check on sched_nest to avoid potential null pointer dereference
  net: mvpp2: cls: fix less than zero check on a u32 variable
  net_sched: sch_fq: handle non connected flows
  net_sched: sch_fq: do not assume EDT packets are ordered
  net: hns3: use devm_kcalloc when allocating desc_cb
  net: hns3: some cleanup for struct hns3_enet_ring
  ...

brcmfmac: print firmware messages after a firmware crash

2019-05-01T15:27:31+00:00

Normally firmware messages are printed with debugging enabled only. It's
a good idea as firmware may print a lot of messages that normal users
don't need to care about.

However, on firmware crash, it may be very helpful to log all recent
messages. There is almost always a backtrace available as well as rought
info on the latest actions/state.

Signed-off-by: Rafał Miłecki 
Reviewed-by: Arend van Spriel 
Signed-off-by: Kalle Valo

brcmfmac: set txflow request id from 1 to pktids array size

2019-05-01T15:26:07+00:00

Some PCIE firmwares drop txstatus if pktid is 0 and make packet held in
host side and never be released. If that packet type is 802.1x, the
pend_8021x_cnt value will be always greater than 0 and show "Timed out
waiting for no pending 802.1x packets" error message when sending key to
dongle every time.

To be compatible with all firmwares, host should set txflow request id
from 1 instead of from 0.

Signed-off-by: Wright Feng 
Signed-off-by: Kalle Valo

brcm80211: potential NULL dereference in brcmf_cfg80211_vndr_cmds_dcmd_handler()

2019-05-01T15:25:09+00:00

If "ret_len" is negative then it could lead to a NULL dereference.

The "ret_len" value comes from nl80211_vendor_cmd(), if it's negative
then we don't allocate the "dcmd_buf" buffer.  Then we pass "ret_len" to
brcmf_fil_cmd_data_set() where it is cast to a very high u32 value.
Most of the functions in that call tree check whether the buffer we pass
is NULL but there are at least a couple places which don't such as
brcmf_dbg_hex_dump() and brcmf_msgbuf_query_dcmd().  We memcpy() to and
from the buffer so it would result in a NULL dereference.

The fix is to change the types so that "ret_len" can't be negative.  (If
we memcpy() zero bytes to NULL, that's a no-op and doesn't cause an
issue).

Fixes: 1bacb0487d0e ("brcmfmac: replace cfg80211 testmode with vendor command")
Signed-off-by: Dan Carpenter 
Signed-off-by: Kalle Valo

brcmfmac: send mailbox interrupt twice for specific hardware device

2019-04-26T12:00:53+00:00

For PCIE wireless device with core revision less than 14, device may miss
PCIE to System Backplane Interrupt via PCIEtoSBMailbox. So add sending
mail box interrupt twice as a hardware workaround.

Signed-off-by: Wright Feng 
Signed-off-by: Kalle Valo

Revert "brcmfmac: send mailbox interrupt twice for specific hardware device"

2019-04-25T17:08:31+00:00

This reverts commit 99d94ef367af67f630b38c93ff46c5819b7d06b6. I accidentally
applied this broken (failed to compile) patch due to a bug in my patchwork
script.

Signed-off-by: Kalle Valo

brcmfmac: send mailbox interrupt twice for specific hardware device

2019-04-25T16:59:04+00:00

For PCIE wireless device with core revision less than 14, device may miss
PCIE to System Backplane Interrupt via PCIEtoSBMailbox. So add sending
mail box interrupt twice as a hardware workaround.

Signed-off-by: Wright Feng 
Reviewed-by: Arend van Spriel 
Signed-off-by: Kalle Valo

brcmfmac: Add DMI nvram filename quirk for ACEPC T8 and T11 mini PCs

2019-04-25T16:57:44+00:00

The ACEPC T8 and T11 mini PCs contain quite generic names in the sys_vendor
and product_name DMI strings, without this patch brcmfmac will try to load:
"brcmfmac43455-sdio.Default string-Default string.txt" as nvram file which
is way too generic.

The DMI strings on which we are matching are somewhat generic too, but
"To be filled by O.E.M." is less common then "Default string" and the
system-sku and bios-version strings are pretty unique. Beside the DMI
strings we also check the wifi-module chip-id and revision. I'm confident
that the combination of all this is unique.

Both the T8 and T11 use the same wifi-module, this commit adds DMI
quirks for both mini PCs pointing to brcmfmac43455-sdio.acepc-t8.txt .

BugLink: https://bugzilla.redhat.com/show_bug.cgi?id=1690852
Cc: stable@vger.kernel.org
Signed-off-by: Hans de Goede 
Signed-off-by: Kalle Valo