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The ADVERTISED_Asym_Pause bit was being improperly set when both
rx and tx pause were enabled. When rx and tx are both enabled, only
the ADVERTISED_Pause bit is supposed to be set.
Signed-off-by: Jake Moroni <mail@jakemoroni.com>
Acked-by: Madalin Bucur <madalin.bucur@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The comment stated that a thread was started, but
that is not the case.
Signed-off-by: Jake Moroni <mail@jakemoroni.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When the frame check sequence (FCS) is split across the last two frames
of a fragmented packet, part of the FCS gets counted twice, once when
subtracting the FCS, and again when subtracting the previously received
data.
For example, if 1602 bytes are received, and the first fragment contains
the first 1600 bytes (including the first two bytes of the FCS), and the
second fragment contains the last two bytes of the FCS:
'skb->len == 1600' from the first fragment
size = lstatus & BD_LENGTH_MASK; # 1602
size -= ETH_FCS_LEN; # 1598
size -= skb->len; # -2
Since the size is unsigned, it wraps around and causes a BUG later in
the packet handling, as shown below:
kernel BUG at ./include/linux/skbuff.h:2068!
Oops: Exception in kernel mode, sig: 5 [#1]
...
NIP [c021ec60] skb_pull+0x24/0x44
LR [c01e2fbc] gfar_clean_rx_ring+0x498/0x690
Call Trace:
[df7edeb0] [c01e2c1c] gfar_clean_rx_ring+0xf8/0x690 (unreliable)
[df7edf20] [c01e33a8] gfar_poll_rx_sq+0x3c/0x9c
[df7edf40] [c023352c] net_rx_action+0x21c/0x274
[df7edf90] [c0329000] __do_softirq+0xd8/0x240
[df7edff0] [c000c108] call_do_irq+0x24/0x3c
[c0597e90] [c00041dc] do_IRQ+0x64/0xc4
[c0597eb0] [c000d920] ret_from_except+0x0/0x18
--- interrupt: 501 at arch_cpu_idle+0x24/0x5c
Change the size to a signed integer and then trim off any part of the
FCS that was received prior to the last fragment.
Fixes: 6c389fc931bc ("gianfar: fix size of scatter-gathered frames")
Signed-off-by: Andy Spencer <aspencer@spacex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The i.MX8 is a ARMv8 based SoC, that uses the same FEC IP as the
earlier, ARMv7 based, i.MX SoCs. Allow the driver to work on ARM64.
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Acked-by: Fugang Duan <fugang.duan@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The BPF verifier conflict was some minor contextual issue.
The TUN conflict was less trivial. Cong Wang fixed a memory leak of
tfile->tx_array in 'net'. This is an skb_array. But meanwhile in
net-next tun changed tfile->tx_arry into tfile->tx_ring which is a
ptr_ring.
Signed-off-by: David S. Miller <davem@davemloft.net>
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In case of TX timeout, fs_timeout() calls phy_stop(), which
triggers the following BUG_ON() as we are in interrupt.
[92708.199889] kernel BUG at drivers/net/phy/mdio_bus.c:482!
[92708.204985] Oops: Exception in kernel mode, sig: 5 [#1]
[92708.210119] PREEMPT
[92708.212107] CMPC885
[92708.214216] CPU: 0 PID: 3 Comm: ksoftirqd/0 Tainted: G W 4.9.61 #39
[92708.223227] task: c60f0a40 task.stack: c6104000
[92708.227697] NIP: c02a84bc LR: c02a947c CTR: c02a93d8
[92708.232614] REGS: c6105c70 TRAP: 0700 Tainted: G W (4.9.61)
[92708.241193] MSR: 00021032 <ME,IR,DR,RI>[92708.244818] CR: 24000822 XER: 20000000
[92708.248767]
GPR00: c02a947c c6105d20 c60f0a40 c62b4c00 00000005 0000001f c069aad8 0001a688
GPR08: 00000007 00000100 c02a93d8 00000000 000005fc 00000000 c6213240 c06338e4
GPR16: 00000001 c06330d4 c0633094 00000000 c0680000 c6104000 c6104000 00000000
GPR24: 00000200 00000000 ffffffff 00000004 00000078 00009032 00000000 c62b4c00
NIP [c02a84bc] mdiobus_read+0x20/0x74
[92708.281517] LR [c02a947c] kszphy_config_intr+0xa4/0xc4
[92708.286547] Call Trace:
[92708.288980] [c6105d20] [c6104000] 0xc6104000 (unreliable)
[92708.294339] [c6105d40] [c02a947c] kszphy_config_intr+0xa4/0xc4
[92708.300098] [c6105d50] [c02a5330] phy_stop+0x60/0x9c
[92708.305007] [c6105d60] [c02c84d0] fs_timeout+0xdc/0x110
[92708.310197] [c6105d80] [c035cd48] dev_watchdog+0x268/0x2a0
[92708.315593] [c6105db0] [c0060288] call_timer_fn+0x34/0x17c
[92708.321014] [c6105dd0] [c00605f0] run_timer_softirq+0x21c/0x2e4
[92708.326887] [c6105e50] [c001e19c] __do_softirq+0xf4/0x2f4
[92708.332207] [c6105eb0] [c001e3c8] run_ksoftirqd+0x2c/0x40
[92708.337560] [c6105ec0] [c003b420] smpboot_thread_fn+0x1f0/0x258
[92708.343405] [c6105ef0] [c003745c] kthread+0xbc/0xd0
[92708.348217] [c6105f40] [c000c400] ret_from_kernel_thread+0x5c/0x64
[92708.354275] Instruction dump:
[92708.357207] 7c0803a6 bbc10018 38210020 4e800020 7c0802a6 9421ffe0 54290024 bfc10018
[92708.364865] 90010024 7c7f1b78 81290008 552902ee <0f090000> 3bc3002c 7fc3f378 90810008
[92708.372711] ---[ end trace 42b05441616fafd7 ]---
This patch moves fs_timeout() actions into an async worker.
Fixes: commit 48257c4f168e5 ("Add fs_enet ethernet network driver, for several embedded platforms")
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
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BPF alignment tests got a conflict because the registers
are output as Rn_w instead of just Rn in net-next, and
in net a fixup for a testcase prohibits logical operations
on pointers before using them.
Also, we should attempt to patch BPF call args if JIT always on is
enabled. Instead, if we fail to JIT the subprogs we should pass
an error back up and fail immediately.
Signed-off-by: David S. Miller <davem@davemloft.net>
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set_fipers() calling should be protected by spinlock in
case that any interrupt breaks related registers setting
and the function we expect. This patch is to move set_fipers()
to spinlock protecting area in ptp_gianfar_adjtime().
Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Acked-by: Richard Cochran <richardcochran@gmail.com>
Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fixes in probe error path:
- Restore dev_id before failed_ioremap path.
Fixes: ("net: fec: restore dev_id in the cases of probe error")
- Call of_node_put(phy_node) before failed_phy path.
Fixes: ("net: fec: Support phys probed from devicetree and fixed-link")
Signed-off-by: Fugang Duan <fugang.duan@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Defer probe if regulator is not ready. E.g. some regulator is fixed
regulator controlled by i2c expander gpio, the i2c device may be probed
after the driver, then it should handle the case of defer probe error.
Signed-off-by: Fugang Duan <fugang.duan@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The static variable dev_id always plus one before netdev registerred.
It should restore the dev_id value in the cases of probe error.
Signed-off-by: Fugang Duan <fugang.duan@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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net/ipv6/ip6_gre.c is a case of parallel adds.
include/trace/events/tcp.h is a little bit more tricky. The removal
of in-trace-macro ifdefs in 'net' paralleled with moving
show_tcp_state_name and friends over to include/trace/events/sock.h
in 'net-next'.
Signed-off-by: David S. Miller <davem@davemloft.net>
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The enet IP only support 32 bit, it will use swiotlb buffer to do dma
mapping when xmit buffer DMA memory address is bigger than 4G in i.MX
platform. After stress suspend/resume test, it will print out:
log:
[12826.352864] fec 5b040000.ethernet: swiotlb buffer is full (sz: 191 bytes)
[12826.359676] DMA: Out of SW-IOMMU space for 191 bytes at device 5b040000.ethernet
[12826.367110] fec 5b040000.ethernet eth0: Tx DMA memory map failed
The issue is that the ready xmit buffers that are dma mapped but DMA still
don't copy them into fifo, once MAC restart, these DMA buffers are not unmapped.
So it should check the dma mapping buffer and unmap them.
Signed-off-by: Fugang Duan <fugang.duan@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Some PHYs (for example the SMSC LAN8710/LAN8720) doesn't allow turning
the refclk on and off again during operation (according to their
datasheet). Nonetheless exactly this behaviour was introduced for power
saving reasons by commit e8fcfcd5684a ("net: fec: optimize the clock management to save power").
Therefore add support for the phy_reset_after_clk_enable function from
phylib to mitigate this issue.
Generally speaking this issue is only relevant if the ref clk for the
PHY is generated by the SoC and therefore the PHY is configured to
"REF_CLK In Mode". In our specific case (PCB) this problem does occur at
about every 10th to 50th POR of an LAN8710 connected to an i.MX6SOLO
SoC. The typical symptom of this problem is a "swinging" ethernet link.
Similar issues were reported by users of the NXP forum:
https://community.nxp.com/thread/389902
https://community.nxp.com/message/309354
With this patch applied the issue didn't occur for at least a few
hundret PORs of our board.
Fixes: e8fcfcd5684a ("net: fec: optimize the clock management to save power")
Signed-off-by: Richard Leitner <richard.leitner@skidata.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This controller does not support EEE, but it may connect to a PHY
which supports EEE and advertises EEE by default, while its link
partner also advertises EEE. If this happens, the PHY enters low
power mode when the traffic rate is low and causes packet loss.
This patch disables EEE advertisement by default for any PHY that
gianfar connects to, to prevent the above unwanted outcome.
Signed-off-by: Shaohui Xie <Shaohui.Xie@nxp.com>
Tested-by: Yangbo Lu <Yangbo.lu@nxp.com>
Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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According to LS1021A RM, the value of PAL can be set so that the start of the
IP header in the receive data buffer is aligned to a 32-bit boundary. Normally,
setting PAL = 2 provides minimal padding to ensure such alignment of the IP
header.
However every incoming packet's 8-byte time stamp will be inserted into the
packet data buffer as padding alignment bytes when hardware time stamping is
enabled.
So we set the padding 8+2 here to avoid the flooded alignment faults:
root@128:~# cat /proc/cpu/alignment
User: 0
System: 17539 (inet_gro_receive+0x114/0x2c0)
Skipped: 0
Half: 0
Word: 0
DWord: 0
Multi: 17539
User faults: 2 (fixup)
Also shown when exception report enablement
CPU: 0 PID: 161 Comm: irq/66-eth1_g0_ Not tainted 4.1.21-rt13-WR8.0.0.0_preempt-rt #16
Hardware name: Freescale LS1021A
[<8001b420>] (unwind_backtrace) from [<8001476c>] (show_stack+0x20/0x24)
[<8001476c>] (show_stack) from [<807cfb48>] (dump_stack+0x94/0xac)
[<807cfb48>] (dump_stack) from [<80025d70>] (do_alignment+0x720/0x958)
[<80025d70>] (do_alignment) from [<80009224>] (do_DataAbort+0x40/0xbc)
[<80009224>] (do_DataAbort) from [<80015398>] (__dabt_svc+0x38/0x60)
Exception stack(0x86ad1cc0 to 0x86ad1d08)
1cc0: f9b3e080 86b3d072 2d78d287 00000000 866816c0 86b3d05e 86e785d0 00000000
1ce0: 00000011 0000000e 80840ab0 86ad1d3c 86ad1d08 86ad1d08 806d7fc0 806d806c
1d00: 40070013 ffffffff
[<80015398>] (__dabt_svc) from [<806d806c>] (inet_gro_receive+0x114/0x2c0)
[<806d806c>] (inet_gro_receive) from [<80660eec>] (dev_gro_receive+0x21c/0x3c0)
[<80660eec>] (dev_gro_receive) from [<8066133c>] (napi_gro_receive+0x44/0x17c)
[<8066133c>] (napi_gro_receive) from [<804f0538>] (gfar_clean_rx_ring+0x39c/0x7d4)
[<804f0538>] (gfar_clean_rx_ring) from [<804f0bf4>] (gfar_poll_rx_sq+0x58/0xe0)
[<804f0bf4>] (gfar_poll_rx_sq) from [<80660b10>] (net_rx_action+0x27c/0x43c)
[<80660b10>] (net_rx_action) from [<80033638>] (do_current_softirqs+0x1e0/0x3dc)
[<80033638>] (do_current_softirqs) from [<800338c4>] (__local_bh_enable+0x90/0xa8)
[<800338c4>] (__local_bh_enable) from [<8008025c>] (irq_forced_thread_fn+0x70/0x84)
[<8008025c>] (irq_forced_thread_fn) from [<800805e8>] (irq_thread+0x16c/0x244)
[<800805e8>] (irq_thread) from [<8004e490>] (kthread+0xe8/0x104)
[<8004e490>] (kthread) from [<8000fda8>] (ret_from_fork+0x14/0x2c)
Signed-off-by: Zumeng Chen <zumeng.chen@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In preparation to enabling -Wimplicit-fallthrough, mark switch cases
where we are expecting to fall through.
Addresses-Coverity-ID: 1397960
Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Memory allocation functions already display some informaton in case of
memory allocation failure. There is no need to add an extra 'dev_err' here.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
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If 'of_phy_find_device()' fails, we must undo the previous 'of_node_get()'
call, as done the the following error handling code.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
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There is no need to release explicitly some devm_ allocated resources.
If the 'mac_probe()' probe function fails, they will be released
automatically, as already done in the other error handling paths of
this function.
Also goto '_return_of_get_parent' as in the other error handling paths.
This is useless (priv->fixed_link is NULL at this point), but at least
it is consistent.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Commit c6e26ea8c893 ("dpaa_eth: change device used") has removed usage of
'dev_set_drvdata()' in the 'mac_probe() function.
This call should also be axed.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fix to return a negative error code from the dpaa_bp_alloc() error
handling case instead of 0, as done elsewhere in this function.
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Change TC_SETUP_MQPRIO to TC_SETUP_QDISC_MQPRIO to match the new
convention.
Signed-off-by: Nogah Frankel <nogahf@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Reviewed-by: Simon Horman <simon.horman@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This is better for code locality and should slightly
speed up normal interrupts.
This also allows PPS clock output to start working for
i.mx7. This is because i.mx7 was already using the limit
of 3 interrupts, and needed another.
Signed-off-by: Troy Kisky <troy.kisky@boundarydevices.com>
Acked-by: Fugang Duan <fugang.duan@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We can now build this driver on ARM, so I ran into a randconfig build
warning that presumably had existed on powerpc already.
drivers/net/ethernet/freescale/dpaa/dpaa_eth.c: In function 'sg_fd_to_skb':
drivers/net/ethernet/freescale/dpaa/dpaa_eth.c:1712:18: error: 'skb' may be used uninitialized in this function [-Werror=maybe-uninitialized]
I'm slightly changing the logic here, to make it obvious to the
compiler that 'skb' is always initialized.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Files removed in 'net-next' had their license header updated
in 'net'. We take the remove from 'net-next'.
Signed-off-by: David S. Miller <davem@davemloft.net>
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Many source files in the tree are missing licensing information, which
makes it harder for compliance tools to determine the correct license.
By default all files without license information are under the default
license of the kernel, which is GPL version 2.
Update the files which contain no license information with the 'GPL-2.0'
SPDX license identifier. The SPDX identifier is a legally binding
shorthand, which can be used instead of the full boiler plate text.
This patch is based on work done by Thomas Gleixner and Kate Stewart and
Philippe Ombredanne.
How this work was done:
Patches were generated and checked against linux-4.14-rc6 for a subset of
the use cases:
- file had no licensing information it it.
- file was a */uapi/* one with no licensing information in it,
- file was a */uapi/* one with existing licensing information,
Further patches will be generated in subsequent months to fix up cases
where non-standard license headers were used, and references to license
had to be inferred by heuristics based on keywords.
The analysis to determine which SPDX License Identifier to be applied to
a file was done in a spreadsheet of side by side results from of the
output of two independent scanners (ScanCode & Windriver) producing SPDX
tag:value files created by Philippe Ombredanne. Philippe prepared the
base worksheet, and did an initial spot review of a few 1000 files.
The 4.13 kernel was the starting point of the analysis with 60,537 files
assessed. Kate Stewart did a file by file comparison of the scanner
results in the spreadsheet to determine which SPDX license identifier(s)
to be applied to the file. She confirmed any determination that was not
immediately clear with lawyers working with the Linux Foundation.
Criteria used to select files for SPDX license identifier tagging was:
- Files considered eligible had to be source code files.
- Make and config files were included as candidates if they contained >5
lines of source
- File already had some variant of a license header in it (even if <5
lines).
All documentation files were explicitly excluded.
The following heuristics were used to determine which SPDX license
identifiers to apply.
- when both scanners couldn't find any license traces, file was
considered to have no license information in it, and the top level
COPYING file license applied.
For non */uapi/* files that summary was:
SPDX license identifier # files
---------------------------------------------------|-------
GPL-2.0 11139
and resulted in the first patch in this series.
If that file was a */uapi/* path one, it was "GPL-2.0 WITH
Linux-syscall-note" otherwise it was "GPL-2.0". Results of that was:
SPDX license identifier # files
---------------------------------------------------|-------
GPL-2.0 WITH Linux-syscall-note 930
and resulted in the second patch in this series.
- if a file had some form of licensing information in it, and was one
of the */uapi/* ones, it was denoted with the Linux-syscall-note if
any GPL family license was found in the file or had no licensing in
it (per prior point). Results summary:
SPDX license identifier # files
---------------------------------------------------|------
GPL-2.0 WITH Linux-syscall-note 270
GPL-2.0+ WITH Linux-syscall-note 169
((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause) 21
((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) 17
LGPL-2.1+ WITH Linux-syscall-note 15
GPL-1.0+ WITH Linux-syscall-note 14
((GPL-2.0+ WITH Linux-syscall-note) OR BSD-3-Clause) 5
LGPL-2.0+ WITH Linux-syscall-note 4
LGPL-2.1 WITH Linux-syscall-note 3
((GPL-2.0 WITH Linux-syscall-note) OR MIT) 3
((GPL-2.0 WITH Linux-syscall-note) AND MIT) 1
and that resulted in the third patch in this series.
- when the two scanners agreed on the detected license(s), that became
the concluded license(s).
- when there was disagreement between the two scanners (one detected a
license but the other didn't, or they both detected different
licenses) a manual inspection of the file occurred.
- In most cases a manual inspection of the information in the file
resulted in a clear resolution of the license that should apply (and
which scanner probably needed to revisit its heuristics).
- When it was not immediately clear, the license identifier was
confirmed with lawyers working with the Linux Foundation.
- If there was any question as to the appropriate license identifier,
the file was flagged for further research and to be revisited later
in time.
In total, over 70 hours of logged manual review was done on the
spreadsheet to determine the SPDX license identifiers to apply to the
source files by Kate, Philippe, Thomas and, in some cases, confirmation
by lawyers working with the Linux Foundation.
Kate also obtained a third independent scan of the 4.13 code base from
FOSSology, and compared selected files where the other two scanners
disagreed against that SPDX file, to see if there was new insights. The
Windriver scanner is based on an older version of FOSSology in part, so
they are related.
Thomas did random spot checks in about 500 files from the spreadsheets
for the uapi headers and agreed with SPDX license identifier in the
files he inspected. For the non-uapi files Thomas did random spot checks
in about 15000 files.
In initial set of patches against 4.14-rc6, 3 files were found to have
copy/paste license identifier errors, and have been fixed to reflect the
correct identifier.
Additionally Philippe spent 10 hours this week doing a detailed manual
inspection and review of the 12,461 patched files from the initial patch
version early this week with:
- a full scancode scan run, collecting the matched texts, detected
license ids and scores
- reviewing anything where there was a license detected (about 500+
files) to ensure that the applied SPDX license was correct
- reviewing anything where there was no detection but the patch license
was not GPL-2.0 WITH Linux-syscall-note to ensure that the applied
SPDX license was correct
This produced a worksheet with 20 files needing minor correction. This
worksheet was then exported into 3 different .csv files for the
different types of files to be modified.
These .csv files were then reviewed by Greg. Thomas wrote a script to
parse the csv files and add the proper SPDX tag to the file, in the
format that the file expected. This script was further refined by Greg
based on the output to detect more types of files automatically and to
distinguish between header and source .c files (which need different
comment types.) Finally Greg ran the script using the .csv files to
generate the patches.
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Reviewed-by: Philippe Ombredanne <pombredanne@nexb.com>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Signed-off-by: yuan linyu <Linyu.Yuan@alcatel-sbell.com.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: yuan linyu <Linyu.Yuan@alcatel-sbell.com.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Comment is no longer valid for a long time now.
Signed-off-by: Madalin Bucur <madalin.bucur@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This change just renames the FMan driver modules, using a common prefix
for the DPAA FMan and DPAA Ethernet drivers. Besides making the names more
aligned, this allows writing udev rules that match on either driver name,
if needed, using the fsl_dpaa_* prefix. The change of netdev dev required
for the DSA probing makes the previous rules written using this prefix
fail, this change makes them work again, ensuring backwards compatibility
for their users.
Signed-off-by: Madalin Bucur <madalin.bucur@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Madalin Bucur <madalin.bucur@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Change device used for DMA mapping to the MAC device that is an
of_device, with proper DMA ops. Using this device for the netdevice
should also address the issue with DSA scenarios that need the
netdevice to be backed by an of_device.
Signed-off-by: Madalin Bucur <madalin.bucur@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Madalin Bucur <madalin.bucur@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The FMan MAC driver allocates a platform device for the Ethernet
driver to probe on. Setting pdev->dev.of_node with the MAC node
triggers the MAC driver probing of the new platform device. While
this fails quickly and does not affect the functionality of the
drivers, it is incorrect and must be removed. This was added to
address a report that DSA code using of_find_net_device_by_node()
is unable to use the DPAA interfaces. Error message seen before
this fix:
fsl_mac dpaa-ethernet.0: __devm_request_mem_region(mac) failed
fsl_mac: probe of dpaa-ethernet.0 failed with error -16
Signed-off-by: Madalin Bucur <madalin.bucur@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Removes unused timer and its old initialization call.
Cc: Pantelis Antoniou <pantelis.antoniou@gmail.com>
Cc: Vitaly Bordug <vbordug@ru.mvista.com>
Cc: linuxppc-dev@lists.ozlabs.org
Cc: netdev@vger.kernel.org
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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fec_ptp_check_pps_event will return 1 if FEC_T_TF_MASK caused
an interrupt. Don't return IRQ_NONE in this case.
Signed-off-by: Troy Kisky <troy.kisky@boundarydevices.com>
Acked-by: Fugang Duan <fugang.duan@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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FEC_ENET_TS_TIMER is not checked in the interrupt routine
so there is no need to enable it.
Signed-off-by: Troy Kisky <troy.kisky@boundarydevices.com>
Acked-by: Fugang Duan <fugang.duan@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Before queue 0 was always checked if any queue caused an interrupt.
It is better to just mark queue 0 if queue 0 has caused an interrupt.
Signed-off-by: Troy Kisky <troy.kisky@boundarydevices.com>
Acked-by: Fugang Duan <Fugang.duan@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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uf_info.regs is resource_size_t i.e. phys_addr_t that can be either u32
or u64 according to CONFIG_PHYS_ADDR_T_64BIT.
The printk format is thus adaptet to u64 and the regs value cast to u64
to take both u32 and u64 into account.
Signed-off-by: Valentin Longchamp <valentin.longchamp@keymile.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The wrong register is checked for the Tx flow control bit,
it should have been maccfg1 not maccfg2.
This went unnoticed for so long probably because the impact is
hardly visible, not to mention the tangled code from adjust_link().
First, link flow control (i.e. handling of Rx/Tx link level pause frames)
is disabled by default (needs to be enabled via 'ethtool -A').
Secondly, maccfg2 always returns 0 for tx_flow_oldval (except for a few
old boards), which results in Tx flow control remaining always on
once activated.
Fixes: 45b679c9a3ccd9e34f28e6ec677b812a860eb8eb ("gianfar: Implement PAUSE frame generation support")
Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Don't populate the arrays port_ids on the stack, instead make them static.
Makes the object code smaller by over 700 bytes:
Before:
text data bss dec hex filename
28785 5832 192 34809 87f9 fman.o
After:
text data bss dec hex filename
27921 5992 192 34105 8539 fman.o
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Three cases of simple overlapping changes.
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Madalin Bucur <madalin.bucur@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Set the skb hash when then FMan Keygen hash result is available.
Signed-off-by: Madalin Bucur <madalin.bucur@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Allow ethtool control of the Rx flow hashing. By default RSS is
enabled, this allows to turn it off by bypassing the FMan Keygen
block and sending all traffic on the default Rx frame queue.
Signed-off-by: Madalin Bucur <madalin.bucur@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add a block of 128 Rx frame queues per port. The FMan hardware will
send traffic on one of these queues based on the FMan port Parse
Classify Distribute setup. The hash computed by the FMan Keygen
block will select the Rx FQ.
Signed-off-by: Madalin Bucur <madalin.bucur@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add support for the FMan Keygen with a hardcoded scheme to spread
incoming traffic on a FQ range based on source and destination IPs
and ports.
Signed-off-by: Iordache Florinel <florinel.iordache@nxp.com>
Signed-off-by: Madalin Bucur <madalin.bucur@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Jake Moroni
Andy Spencer
Lucas Stach
David S. Miller
Christophe Leroy
Yangbo Lu
Fugang Duan
Richard Leitner
Claudiu Manoil
Zumeng Chen
Gustavo A. R. Silva
Christophe JAILLET
Wei Yongjun
Nogah Frankel
Troy Kisky
Arnd Bergmann
Greg Kroah-Hartman
yuan linyu
Madalin Bucur
Kees Cook
Valentin Longchamp
Colin Ian King
Iordache Florinel-R70177