Commit Graph

1377 Commits

Author SHA1 Message Date
Jose Abreu
c2837423cb net: stmmac: Rework TX Coalesce logic
Coalesce logic currently increments the number of packets and sets the
IC bit when the coalesced packets have passed a given limit. This does
not reflect very well what coalesce was meant for as we can have a large
number of packets that are coalesced and then a single one, sent later
on that has the IC bit.

Rework the logic so that it coalesces only upon a limit of packets and
sets the IC bit for large number of packets.

Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-11-15 12:25:41 -08:00
Jose Abreu
da20245100 net: stmmac: Tune-up default coalesce settings
Tune-up the defalt coalesce settings for optimal values. This gives the
best performance in most of the use-cases.

Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-11-15 12:25:41 -08:00
Jose Abreu
52f96cd135 net: stmmac: xgmac: Remove uneeded computation for RFA/RFD
RFA and RFD should not be dependent on FIFO size. In fact, the more FIFO
space we have, the later we can activate Flow Control. Let's use
hard-coded values for RFA and RFD for all FIFO sizes with the exception
of 4k, which is a special case.

Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-11-15 12:25:41 -08:00
Jose Abreu
854248e5ec net: stmmac: gmac4+: Remove uneeded computation for RFA/RFD
RFA and RFD should not be dependent on FIFO size. In fact, the more FIFO
space we have, the later we can activate Flow Control. Let's use
hard-coded values for RFA and RFD for all FIFO sizes with the exception
of 4k, which is a special case.

Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-11-15 12:25:41 -08:00
Jose Abreu
4e4337ccf7 net: stmmac: Setup a default RX Coalesce value instead of the minimum
For performance reasons, sometimes using the minimum RX Coalesce value
is not optimal. Lets setup a default value that is optimal in most of
the use cases.

Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-11-15 12:25:41 -08:00
Jose Abreu
09146abebc net: stmmac: Do not set RX IC bit if RX Coalesce is zero
We may only want to use the RX Watchdog so lets check if RX Coalesce
settings are non-zero and only set the RX Interrupt on Completion bit if
its not.

Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-11-15 12:25:41 -08:00
Colin Ian King
945fe45759 net: ethernet: stmmac: fix indentation issue
There is a return statement that is indented too deeply, remove
the extraneous tab.

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-11-13 12:33:28 -08:00
Jose Abreu
b776620651 net: stmmac: Implement UDP Segmentation Offload
Implement the UDP Segmentation Offload feature in stmmac. This is only
available in GMAC4+ cores.

Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-11-11 23:13:19 -08:00
Jose Abreu
88ebe2cf7f net: stmmac: Rework stmmac_rx()
This looks over-engineered. Let's use some helpers to get the buffer
length and hereby simplify the stmmac_rx() function. No performance drop
was seen with the new implementation.

Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-11-11 23:13:19 -08:00
Jose Abreu
bc41a6689b net: stmmac: tc: Remove the speed dependency
XGMAC3 supports full CBS features with speeds that can go up to 10G so
we can now remove the maximum speed check of CBS.

Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-11-11 23:13:19 -08:00
Jose Abreu
04d1190aca net: stmmac: xgmac: Add C45 PHY support in the MDIO callbacks
Add the support for C45 PHYs in the MDIO callbacks for XGMAC. This was
tested using Synopsys DesignWare XPCS.

v2:
- Pull out the readl_poll_timeout() calls into common code (Andrew)

Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-11-11 23:13:19 -08:00
Jose Abreu
8c6fc097a2 net: stmmac: gmac4+: Add Split Header support
GMAC4+ cores also support the Split Header feature.

Add the support for Split Header feature in the RX path following the
same implementation logic that XGMAC followed.

Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-11-11 23:13:19 -08:00
Jose Abreu
a24cae7012 net: stmmac: Fix sparse warning
The VID is converted to le16 so the variable must be __le16 type.

Reported-by: kbuild test robot <lkp@intel.com>
Fixes: c7ab0b8088 ("net: stmmac: Fallback to VLAN Perfect filtering if HASH is not available")
Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-11-11 23:13:19 -08:00
Corentin Labbe
40a1dcee2d net: ethernet: dwmac-sun8i: Use the correct function in exit path
When PHY is not powered, the probe function fail and some resource are
still unallocated.
Furthermore some BUG happens:
dwmac-sun8i 5020000.ethernet: EMAC reset timeout
------------[ cut here ]------------
kernel BUG at /linux-next/net/core/dev.c:9844!

So let's use the right function (stmmac_pltfr_remove) in the error path.

Fixes: 9f93ac8d40 ("net-next: stmmac: Add dwmac-sun8i")
Cc: <stable@vger.kernel.org> # v4.15+
Signed-off-by: Corentin Labbe <clabbe@baylibre.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-11-11 14:43:41 -08:00
David S. Miller
14684b9301 Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
One conflict in the BPF samples Makefile, some fixes in 'net' whilst
we were converting over to Makefile.target rules in 'net-next'.

Signed-off-by: David S. Miller <davem@davemloft.net>
2019-11-09 11:04:37 -08:00
Christophe Roullier
caee317473 net: ethernet: stmmac: Add support for syscfg clock
Add optional support for syscfg clock in dwmac-stm32.c
Now Syscfg clock is activated automatically when syscfg
registers are used

Signed-off-by: Christophe Roullier <christophe.roullier@st.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-11-08 11:21:04 -08:00
Jose Abreu
7df4a3a76d net: stmmac: Fix the TX IOC in xmit path
IOC bit must be only set in the last descriptor. Move the logic up a
little bit to make sure it's set in the correct descriptor.

Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-11-06 21:22:55 -08:00
Jose Abreu
b2f071995b net: stmmac: Fix TSO descriptor with Enhanced Addressing
When using addressing > 32 bits the TSO first descriptor only has the
header so we can't set the payload field for this descriptor. Let's
reset the variable so that buffer 2 value is zero.

Fixes: a993db88d1 ("net: stmmac: Enable support for > 32 Bits addressing in XGMAC")
Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-11-06 21:22:55 -08:00
Jose Abreu
cda4985a3e net: stmmac: Fix the packet count in stmmac_rx()
Currently, stmmac_rx() is counting the number of descriptors but it
should count the number of packets as specified by the NAPI limit.

Fix this.

Fixes: ec222003bd ("net: stmmac: Prepare to add Split Header support")
Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-11-06 21:22:55 -08:00
Jose Abreu
aeb18dd076 net: stmmac: xgmac: Disable MMC interrupts by default
MMC interrupts were being enabled, which is not what we want because it
will lead to a storm of interrupts that are not handled at all. Fix it
by disabling all MMC interrupts for XGMAC.

Fixes: b6cdf09f51 ("net: stmmac: xgmac: Implement MMC counters")
Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-11-06 21:22:55 -08:00
Jose Abreu
132f2f20c9 net: stmmac: xgmac: Disable Flow Control when 1 or more queues are in AV
When in AVB mode we need to disable flow control to prevent MAC from
pausing in TX side.

Fixes: ec6ea8e3ee ("net: stmmac: Add CBS support in XGMAC2")
Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-11-06 21:22:55 -08:00
Jose Abreu
08c1ac3bcb net: stmmac: xgmac: Fix AV Feature detection
Fix incorrect precedence of operators. For reference: AV implies AV
Feature but RAV implies only RX side AV Feature. As we want full AV
features we need to check RAV.

Fixes: c2b69474d6 ("net: stmmac: xgmac: Correct RAVSEL field interpretation")
Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-11-06 21:22:55 -08:00
Jose Abreu
97add93fbc net: stmmac: xgmac: Fix TSA selection
When we change between Transmission Scheduling Algorithms, we need to
clear previous values so that the new chosen algorithm is correctly
selected.

Fixes: ec6ea8e3ee ("net: stmmac: Add CBS support in XGMAC2")
Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-11-06 21:22:55 -08:00
Jose Abreu
96147375d4 net: stmmac: xgmac: Only get SPH header len if available
Split Header length is only available when L34T == 0. Fix this by
correctly checking if L34T is zero before trying to get Header length.

Fixes: 67afd6d1cf ("net: stmmac: Add Split Header support and enable it in XGMAC cores")
Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-11-06 21:22:55 -08:00
Jose Abreu
eeb9d74516 net: stmmac: selftests: Prevent false positives in filter tests
In L2 tests that filter packets by destination MAC address we need to
prevent false positives that can occur if we add an address that
collides with the existing ones.

To fix this, lets manually check if the new address to be added is
already present in the NIC and use a different one if so. For Hash
filtering this also envolves converting the address to the hash.

Fixes: 091810dbde ("net: stmmac: Introduce selftests support")
Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-11-06 21:22:55 -08:00
Jose Abreu
3d00e45d49 net: stmmac: xgmac: bitrev32 returns u32
The bitrev32 function returns an u32 var, not an int. Fix it.

Fixes: 0efedbf11f ("net: stmmac: xgmac: Fix XGMAC selftests")
Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-11-06 21:22:55 -08:00
Jose Abreu
4d7c47e34f net: stmmac: gmac4: bitrev32 returns u32
The bitrev32 function returns an u32 var, not an int. Fix it.

Fixes: 477286b53f ("stmmac: add GMAC4 core support")
Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-11-06 21:22:55 -08:00
Christophe Roullier
54e0602d79 net: ethernet: stmmac: drop unused variable in stm32mp1_set_mode()
Building with W=1 (cf.scripts/Makefile.extrawarn) outputs:
warning: variable ‘ret’ set but not used [-Wunused-but-set-variable]

Drop the unused 'ret' variable.

Signed-off-by: Christophe Roullier <christophe.roullier@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-11-04 11:31:21 -08:00
Andrew Lunn
0c65b2b90d net: of_get_phy_mode: Change API to solve int/unit warnings
Before this change of_get_phy_mode() returned an enum,
phy_interface_t. On error, -ENODEV etc, is returned. If the result of
the function is stored in a variable of type phy_interface_t, and the
compiler has decided to represent this as an unsigned int, comparision
with -ENODEV etc, is a signed vs unsigned comparision.

Fix this problem by changing the API. Make the function return an
error, or 0 on success, and pass a pointer, of type phy_interface_t,
where the phy mode should be stored.

v2:
Return with *interface set to PHY_INTERFACE_MODE_NA on error.
Add error checks to all users of of_get_phy_mode()
Fixup a few reverse christmas tree errors
Fixup a few slightly malformed reverse christmas trees

v3:
Fix 0-day reported errors.

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-11-04 11:21:25 -08:00
David S. Miller
d31e95585c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
The only slightly tricky merge conflict was the netdevsim because the
mutex locking fix overlapped a lot of driver reload reorganization.

The rest were (relatively) trivial in nature.

Signed-off-by: David S. Miller <davem@davemloft.net>
2019-11-02 13:54:56 -07:00
yuqi jin
34c1520289 net: stmmac: Fix the problem of tso_xmit
When the address width of DMA is greater than 32, the packet header occupies
a BD descriptor. The starting address of the data should be added to the
header length.

Fixes: a993db88d1 ("net: stmmac: Enable support for > 32 Bits addressing in XGMAC")
Cc: Eric Dumazet <eric.dumazet@gmail.com>
Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Cc: Alexandre Torgue <alexandre.torgue@st.com>
Cc: Jose Abreu <joabreu@synopsys.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Maxime Coquelin <mcoquelin.stm32@gmail.com>
Signed-off-by: yuqi jin <jinyuqi@huawei.com>
Signed-off-by: Shaokun Zhang <zhangshaokun@hisilicon.com>
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
2019-10-22 13:04:16 -07:00
David S. Miller
2f184393e0 Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Several cases of overlapping changes which were for the most
part trivially resolvable.

Signed-off-by: David S. Miller <davem@davemloft.net>
2019-10-20 10:43:00 -07:00
Mans Rullgard
05908d72cc net: ethernet: dwmac-sun8i: show message only when switching to promisc
Printing the info message every time more than the max number of mac
addresses are requested generates unnecessary log spam.  Showing it only
when the hw is not already in promiscous mode is equally informative
without being annoying.

Signed-off-by: Mans Rullgard <mans@mansr.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-10-19 12:18:10 -07:00
Ben Dooks (Codethink)
c9ad4c1049 net: stmmac: fix argument to stmmac_pcs_ctrl_ane()
The stmmac_pcs_ctrl_ane() expects a register address as
argument 1, but for some reason the mac_device_info is
being passed.

Fix the warning (and possible bug) from sparse:

drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:2613:17: warning: incorrect type in argument 1 (different address spaces)
drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:2613:17:    expected void [noderef] <asn:2> *ioaddr
drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:2613:17:    got struct mac_device_info *hw

Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-10-17 15:31:04 -04:00
Biao Huang
e497c20e20 net: stmmac: disable/enable ptp_ref_clk in suspend/resume flow
disable ptp_ref_clk in suspend flow, and enable it in resume flow.

Fixes: f573c0b9c4 ("stmmac: move stmmac_clk, pclk, clk_ptp_ref and stmmac_rst to platform structure")
Signed-off-by: Biao Huang <biao.huang@mediatek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-10-16 13:25:39 -07:00
Ben Dooks (Codethink)
bad28d889c net: stmmac: make tc_flow_parsers static
The tc_flow_parsers is not used outside of the driver, so
make it static to avoid the following sparse warning:

drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c:516:3: warning: symbol 'tc_flow_parsers' was not declared. Should it be static?

Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-10-15 20:56:53 -07:00
Denis Efremov
c9c13ba428 PCI: Add PCI_STD_NUM_BARS for the number of standard BARs
Code that iterates over all standard PCI BARs typically uses
PCI_STD_RESOURCE_END.  However, that requires the unusual test
"i <= PCI_STD_RESOURCE_END" rather than something the typical
"i < PCI_STD_NUM_BARS".

Add a definition for PCI_STD_NUM_BARS and change loops to use the more
idiomatic C style to help avoid fencepost errors.

Link: https://lore.kernel.org/r/20190927234026.23342-1-efremov@linux.com
Link: https://lore.kernel.org/r/20190927234308.23935-1-efremov@linux.com
Link: https://lore.kernel.org/r/20190916204158.6889-3-efremov@linux.com
Signed-off-by: Denis Efremov <efremov@linux.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Sebastian Ott <sebott@linux.ibm.com>			# arch/s390/
Acked-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>	# video/fbdev/
Acked-by: Gustavo Pimentel <gustavo.pimentel@synopsys.com>	# pci/controller/dwc/
Acked-by: Jack Wang <jinpu.wang@cloud.ionos.com>		# scsi/pm8001/
Acked-by: Martin K. Petersen <martin.petersen@oracle.com>	# scsi/pm8001/
Acked-by: Ulf Hansson <ulf.hansson@linaro.org>			# memstick/
2019-10-14 10:22:26 -05:00
Tiezhu Yang
5e96cd3302 net: stmmac: Remove break after a return
Since break is not useful after a return, remove it.

Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
2019-10-09 21:12:30 -07:00
Biao Huang
0ea1671f26 net: stmmac: dwmac-mediatek: fix wrong delay value issue when resume back
mac_delay value will be divided by 550/170 in mt2712_delay_ps2stage(),
which is invoked at the beginning of mt2712_set_delay(), and the value
should be restored at the end of mt2712_set_delay().
Or, mac_delay will be divided again when invoking mt2712_set_delay()
when resume back.
So, add mt2712_delay_stage2ps() to mt2712_set_delay() to recovery the
original mac_delay value.

Signed-off-by: Biao Huang <biao.huang@mediatek.com>
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
2019-10-09 19:39:00 -07:00
Antonio Borneo
520cf60021 net: stmmac: fix disabling flexible PPS output
Accordingly to Synopsys documentation [1] and [2], when bit PPSEN0
in register MAC_PPS_CONTROL is set it selects the functionality
command in the same register, otherwise selects the functionality
control.
Command functionality is required to either enable (command 0x2)
and disable (command 0x5) the flexible PPS output, but the bit
PPSEN0 is currently set only for enabling.

Set the bit PPSEN0 to properly disable flexible PPS output.

Tested on STM32MP15x, based on dwmac 4.10a.

[1] DWC Ethernet QoS Databook 4.10a October 2014
[2] DWC Ethernet QoS Databook 5.00a September 2017

Signed-off-by: Antonio Borneo <antonio.borneo@st.com>
Fixes: 9a8a02c9d4 ("net: stmmac: Add Flexible PPS support")
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
2019-10-09 15:52:52 -07:00
Antonio Borneo
5da202c88f net: stmmac: fix length of PTP clock's name string
The field "name" in struct ptp_clock_info has a fixed size of 16
chars and is used as zero terminated string by clock_name_show()
in drivers/ptp/ptp_sysfs.c
The current initialization value requires 17 chars to fit also the
null termination, and this causes overflow to the next bytes in
the struct when the string is read as null terminated:
	hexdump -C /sys/class/ptp/ptp0/clock_name
	00000000  73 74 6d 6d 61 63 5f 70  74 70 5f 63 6c 6f 63 6b  |stmmac_ptp_clock|
	00000010  a0 ac b9 03 0a                                    |.....|
where the extra 4 bytes (excluding the newline) after the string
represent the integer 0x03b9aca0 = 62500000 assigned to the field
"max_adj" that follows "name" in the same struct.

There is no strict requirement for the "name" content and in the
comment in ptp_clock_kernel.h it's reported it should just be 'A
short "friendly name" to identify the clock'.
Replace it with "stmmac ptp".

Signed-off-by: Antonio Borneo <antonio.borneo@st.com>
Fixes: 92ba688851 ("stmmac: add the support for PTP hw clock driver")
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
2019-10-09 15:52:37 -07:00
Antonio Borneo
7579262478 net: stmmac: add flexible PPS to dwmac 4.10a
All the registers and the functionalities used in the callback
dwmac5_flex_pps_config() are common between dwmac 4.10a [1] and
5.00a [2].

Reuse the same callback for dwmac 4.10a too.

Tested on STM32MP15x, based on dwmac 4.10a.

[1] DWC Ethernet QoS Databook 4.10a October 2014
[2] DWC Ethernet QoS Databook 5.00a September 2017

Signed-off-by: Antonio Borneo <antonio.borneo@st.com>
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
2019-10-09 15:20:30 -07:00
Jose Abreu
dc07f5fdef net: stmmac: Implement L3/L4 Filters in GMAC4+
GMAC4+ cores support Layer 3 and Layer 4 filtering. Add the
corresponding callbacks in these cores.

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-10-06 18:46:31 +02:00
Jose Abreu
1b2250a04c net: stmmac: selftests: Add tests for VLAN Perfect Filtering
Add two new tests for VLAN Perfect Filtering. While at it, increase a
little bit the tests strings lenght so that we can have more descriptive
test names.

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-10-06 18:46:31 +02:00
Jose Abreu
c7ab0b8088 net: stmmac: Fallback to VLAN Perfect filtering if HASH is not available
If VLAN Hash Filtering is not available we can fallback to perfect
filtering instead. Let's implement this in XGMAC and GMAC cores and let
the user use this filter.

VLAN VID=0 always passes filter so we check if more than 2 VLANs are
created and return proper error code if so because perfect filtering
only supports 1 VID at a time.

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-10-06 18:46:31 +02:00
Jose Abreu
2809fc1316 net: stmmac: selftests: Fix L2 Hash Filter test
With the current MAC addresses hard-coded in the test we can get some
false positives as we use the Hash Filtering method. Let's change the
MAC addresses in the tests to be unique when hashed.

Fixes: 091810dbde ("net: stmmac: Introduce selftests support")
Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-10-06 18:42:02 +02:00
Jose Abreu
25683bab09 net: stmmac: gmac4+: Not all Unicast addresses may be available
Some setups may not have all Unicast addresses filters available. Check
the number of available filters before trying to setup it.

Fixes: 477286b53f ("stmmac: add GMAC4 core support")
Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-10-06 18:42:02 +02:00
Jose Abreu
b870b0f867 net: stmmac: selftests: Check if filtering is available before running
We need to check if the number of available Hash Filters is enough to
run the test, otherwise we will get false failures.

Fixes: 091810dbde ("net: stmmac: Introduce selftests support")
Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-10-06 18:42:02 +02:00
David S. Miller
6f4c930e02 Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2019-10-05 13:37:23 -07:00
Thierry Reding
560c07cba1 net: stmmac: Support enhanced addressing mode for DWMAC 4.10
The address width of the controller can be read from hardware feature
registers much like on XGMAC. Add support for parsing the ADDR64 field
so that the DMA mask can be set accordingly.

This avoids getting swiotlb involved for DMA on Tegra186 and later.

Also make sure that the upper 32 bits of the DMA address are written to
the DMA descriptors when enhanced addressing mode is used. Similarily,
for each channel, the upper 32 bits of the DMA descriptor ring's base
address also need to be programmed to make sure the correct memory can
be fetched when the DMA descriptor ring is located beyond the 32-bit
boundary.

Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-10-03 12:00:50 -07:00
Thierry Reding
968a2978cb net: stmmac: Only enable enhanced addressing mode when needed
Enhanced addressing mode is only required when more than 32 bits need to
be addressed. Add a DMA configuration parameter to enable this mode only
when needed.

Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-10-03 12:00:50 -07:00
Thierry Reding
134cc4cefa net: stmmac: Avoid deadlock on suspend/resume
The stmmac driver will try to acquire its private mutex during suspend
via phylink_resolve() -> stmmac_mac_link_down() -> stmmac_eee_init().
However, the phylink configuration is updated with the private mutex
held already, which causes a deadlock during suspend.

Fix this by moving the phylink configuration updates out of the region
of code protected by the private mutex.

Fixes: 19e13cb27b ("net: stmmac: Hold rtnl lock in suspend/resume callbacks")
Suggested-by: Bitan Biswas <bbiswas@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-10-02 17:21:26 -07:00
Jose Abreu
56627336b6 net: stmmac: xgmac: Fix RSS writing wrong keys
Commit b6b6cc9acd, changed the call to dwxgmac2_rss_write_reg()
passing it the variable cfg->key[i].

As key is an u8 but we write 32 bits at a time we need to cast it into
an u32 so that the correct key values are written. Notice that the for
loop already takes this into account so we don't try to write past the
keys size.

Fixes: b6b6cc9acd ("net: stmmac: selftest: avoid large stack usage")
Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-10-01 10:12:38 -07:00
Jose Abreu
3c72d4d330 net: stmmac: xgmac: Fix RSS not writing all Keys to HW
The sizeof(cfg->key) is != ARRAY_SIZE(cfg->key). Fix it. This warning is
triggered when running with cc flag -Wsizeof-array-div.

Reported-by: kbuild test robot <lkp@intel.com>
Reported-by: Nick Desaulniers <ndesaulniers@google.com>
Reported-by: Nathan Chancellor <natechancellor@gmail.com>
Fixes: 76067459c6 ("net: stmmac: Implement RSS and enable it in XGMAC core")
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-10-01 10:12:38 -07:00
Jose Abreu
30300d9f91 net: stmmac: xgmac: Disable the Timestamp interrupt by default
We don't use it anyway as XGMAC only supports polling for timestamp (in
current SW implementation). This greatly reduces the system load by
reducing the number of interrupts.

Fixes: 2142754f8b ("net: stmmac: Add MAC related callbacks for XGMAC2")
Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-10-01 10:12:37 -07:00
Jose Abreu
3e2bf04fb0 net: stmmac: Do not stop PHY if WoL is enabled
If WoL is enabled we can't really stop the PHY, otherwise we will not
receive the WoL packet. Fix this by telling phylink that only the MAC is
down and only stop the PHY if WoL is not enabled.

Fixes: 74371272f9 ("net: stmmac: Convert to phylink and remove phylib logic")
Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-10-01 10:12:37 -07:00
Jose Abreu
14f347334b net: stmmac: Correctly take timestamp for PTPv2
The case for PTPV2_EVENT requires event packets to be captured so add
this setting to the list of enabled captures.

Fixes: 891434b18e ("stmmac: add IEEE PTPv1 and PTPv2 support.")
Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-10-01 10:12:37 -07:00
Jose Abreu
f79bfda375 net: stmmac: dwmac4: Always update the MAC Hash Filter
We need to always update the MAC Hash Filter so that previous entries
are invalidated.

Found out while running stmmac selftests.

Fixes: b8ef7020d6 ("net: stmmac: add support for hash table size 128/256 in dwmac4")
Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-10-01 10:12:37 -07:00
Jose Abreu
432439fef9 net: stmmac: selftests: Always use max DMA size in Jumbo Test
Although some XGMAC setups support frames larger than DMA size, some of
them may not. As we can't know before-hand which ones support let's use
the maximum DMA buffer size in the Jumbo Tests.

User can always reconfigure the MTU to achieve larger frames.

Fixes: 427849e8c3 ("net: stmmac: selftests: Add Jumbo Frame tests")
Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-10-01 10:12:37 -07:00
Jose Abreu
c11986b9fa net: stmmac: xgmac: Detect Hash Table size dinamically
Since commit b8ef7020d6 ("net: stmmac: add support for hash table size
128/256 in dwmac4"), we can detect the Hash Table dinamically.

Let's implement this feature in XGMAC cores and fix possible setups that
don't support the maximum size for Hash Table.

Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-10-01 10:12:37 -07:00
Jose Abreu
9a2ae7b396 net: stmmac: xgmac: Not all Unicast addresses may be available
Some setups may not have all Unicast addresses filters available. Let's
check this before trying to setup filters.

Fixes: 0efedbf11f ("net: stmmac: xgmac: Fix XGMAC selftests")
Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-10-01 10:12:37 -07:00
Dan Carpenter
231042181d net: ethernet: stmmac: Fix signedness bug in ipq806x_gmac_of_parse()
The "gmac->phy_mode" variable is an enum and in this context GCC will
treat it as an unsigned int so the error handling will never be
triggered.

Fixes: b1c17215d7 ("stmmac: add ipq806x glue layer")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-09-27 10:21:44 +02:00
Dan Carpenter
f10210517a net: stmmac: dwmac-meson8b: Fix signedness bug in probe
The "dwmac->phy_mode" is an enum and in this context GCC treats it as
an unsigned int so the error handling is never triggered.

Fixes: 566e825162 ("net: stmmac: add a glue driver for the Amlogic Meson 8b / GXBB DWMAC")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-09-27 10:15:11 +02:00
Thierry Reding
4f28bd956e net: stmmac: Fix page pool size
The size of individual pages in the page pool in given by an order. The
order is the binary logarithm of the number of pages that make up one of
the pages in the pool. However, the driver currently passes the number
of pages rather than the order, so it ends up wasting quite a bit of
memory.

Fix this by taking the binary logarithm and passing that in the order
field.

Fixes: 2af6106ae9 ("net: stmmac: Introducing support for Page Pool")
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-09-26 09:27:47 +02:00
Jose Abreu
b0ce902feb net: stmmac: selftests: Flow Control test can also run with ASYM Pause
The Flow Control selftest is also available with ASYM Pause. Lets add
this check to the test and fix eventual false positive failures.

Fixes: 091810dbde ("net: stmmac: Introduce selftests support")
Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-09-25 13:58:25 +02:00
Arnd Bergmann
b6b6cc9acd net: stmmac: selftest: avoid large stack usage
Putting a struct stmmac_rss object on the stack is a bad idea,
as it exceeds the warning limit for a stack frame on 32-bit architectures:

drivers/net/ethernet/stmicro/stmmac/stmmac_selftests.c:1221:12: error: stack frame size of 1208 bytes in function '__stmmac_test_l3filt' [-Werror,-Wframe-larger-than=]
drivers/net/ethernet/stmicro/stmmac/stmmac_selftests.c:1338:12: error: stack frame size of 1208 bytes in function '__stmmac_test_l4filt' [-Werror,-Wframe-larger-than=]

As the object is the trivial empty case, change the called function
to accept a NULL pointer to mean the same thing and remove the
large variable in the two callers.

Fixes: 4647e02119 ("net: stmmac: selftests: Add selftest for L3/L4 Filters")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Jose Abreu <joabreu@synopsys.com>
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
2019-09-21 19:46:14 -07:00
David S. Miller
1bab8d4c48 Merge ra.kernel.org:/pub/scm/linux/kernel/git/netdev/net
Pull in bug fixes from 'net' tree for the merge window.

Signed-off-by: David S. Miller <davem@davemloft.net>
2019-09-17 23:51:10 +02:00
Alexandru Ardelean
5f109d45a4 net: stmmac: socfpga: re-use the interface parameter from platform data
The socfpga sub-driver defines an `interface` field in the `socfpga_dwmac`
struct and parses it on init.

The shared `stmmac_probe_config_dt()` function also parses this from the
device-tree and makes it available on the returned `plat_data` (which is
the same data available via `netdev_priv()`).

All that's needed now is to dig that information out, via some
`dev_get_drvdata()` && `netdev_priv()` calls and re-use it.

Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-09-16 09:22:24 +02:00
Jose Abreu
19e13cb27b net: stmmac: Hold rtnl lock in suspend/resume callbacks
We need to hold rnl lock in suspend and resume callbacks because phylink
requires it. Otherwise we will get a WARN() in suspend and resume.

Also, move phylink start and stop callbacks to inside device's internal
lock so that we prevent concurrent HW accesses.

Fixes: 74371272f9 ("net: stmmac: Convert to phylink and remove phylib logic")
Reported-by: Christophe ROULLIER <christophe.roullier@st.com>
Tested-by: Christophe ROULLIER <christophe.roullier@st.com>
Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-09-16 09:11:09 +02:00
David S. Miller
aa2eaa8c27 Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Minor overlapping changes in the btusb and ixgbe drivers.

Signed-off-by: David S. Miller <davem@davemloft.net>
2019-09-15 14:17:27 +02:00
Jose Abreu
ebecb860ed net: stmmac: pci: Add HAPS support using GMAC5
Add the support for Synopsys HAPS board that uses GMAC5.

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-09-11 23:50:06 +01:00
Alexandru Ardelean
0060c87833 net: stmmac: implement support for passive mode converters via dt
In-between the MAC & PHY there can be a mode converter, which converts one
mode to another (e.g. GMII-to-RGMII).

The converter, can be passive (i.e. no driver or OS/SW information
required), so the MAC & PHY need to be configured differently.

For the `stmmac` driver, this is implemented via a `mac-mode` property in
the device-tree, which configures the MAC into a certain mode, and for the
PHY a `phy_interface` field will hold the mode of the PHY. The mode of the
PHY will be passed to the PHY and from there-on it work in a different
mode. If unspecified, the default `phy-mode` will be used for both.

Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-09-11 15:27:09 +01:00
Jose Abreu
c9b10043d0 net: stmmac: ARP Offload for GMAC4+ Cores
Implement the ARP Offload feature in GMAC4 and GMAC5 cores.

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-09-11 09:21:34 +01:00
Jose Abreu
e94e3f3b51 net: stmmac: Add support for VLAN Insertion Offload in GMAC4+
Adds support for TX VLAN Offload using descriptors based features
available in GMAC4/5.

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-09-11 09:21:34 +01:00
Jose Abreu
1d982e93df net: stmmac: Add support for SA Insertion/Replacement in GMAC4+
Add the support for Source Address Insertion and Replacement in GMAC4
and GMAC5 cores. Two methods are supported: Descriptor based and
register based.

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-09-11 09:21:34 +01:00
Jose Abreu
afdf26ab3c net: stmmac: xgmac: Reinitialize correctly a variable
'value' was being or'ed with a value from another register. This is a
typo and could cause new written value to be wrong. Fix it.

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-09-11 09:21:34 +01:00
Jose Abreu
c1be0022df net: stmmac: Add VLAN HASH filtering support in GMAC4+
Adds the support for VLAN HASH Filtering in GMAC4/5 cores.

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-09-11 09:21:34 +01:00
Jose Abreu
6fa9d691b9 net: stmmac: Prevent divide-by-zero
When RX Coalesce settings are set to all zero (which is a valid setting)
we will currently get a divide-by-zero error. Fix it.

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-09-11 09:21:34 +01:00
Jose Abreu
d9da2c8717 net: stmmac: Limit max speeds of XGMAC if asked to
We may have some SoCs that can't achieve XGMAC max speed. Limit it if
asked to.

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-09-07 17:57:41 +02:00
Jose Abreu
5f8475daa2 net: stmmac: selftests: Add Split Header test
Add a test to validate that Split Header feature is working correctly.
It works by using the rececently introduced counter that increments each
time a packet with split header is received.

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-09-07 17:57:41 +02:00
Jose Abreu
41f2a3e636 net: stmmac: dwmac4: Enable RX Jumbo frame support
We are already doing it by default in the TX path so we can also enable
Jumbo Frame support in the RX path independently of MTU value.

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-09-07 17:57:41 +02:00
Jose Abreu
b3138c5b0f net: stmmac: selftests: Set RX tail pointer in Flow Control test
We need to set the RX tail pointer so that RX engine starts working
again after finishing the Flow Control test.

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-09-07 17:57:41 +02:00
Jose Abreu
034c8fadba net: stmmac: selftests: Add missing checks for support of SA
Add checks for support of Source Address Insertion/Replacement before
running the test.

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-09-07 17:57:41 +02:00
Andy Shevchenko
c3a502deaf stmmac: platform: adjust messages and move to dev level
This patch amends the error and warning messages across the platform driver.
It includes the following changes:
 - append \n to the end of messages
 - change pr_* macros to dev_*

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-09-06 15:18:35 +02:00
Jose Abreu
427849e8c3 net: stmmac: selftests: Add Jumbo Frame tests
Add a test to validate the Jumbo Frame support in stmmac in single
channel and multichannel mode.

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-09-05 12:19:55 +02:00
Jose Abreu
8a488c3f97 net: stmmac: xgmac: Enable RX Jumbo frame support
We are already doing it by default in the TX path so we can also enable
Jumbo Frame support in the RX path independently of MTU value.

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-09-05 12:19:55 +02:00
Jose Abreu
56bcd59122 net: stmmac: Correctly assing MAX MTU in XGMAC cores case
Maximum MTU for XGMAC cores is 16k thus the check for presence of XGMAC
shall be done first in order to assign correct value.

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-09-05 12:19:55 +02:00
Jose Abreu
c2b69474d6 net: stmmac: xgmac: Correct RAVSEL field interpretation
RAVSEL means that only RX side is available for AVB features. As we use
both TX and RX features we need to check if RAVSEL is selected and
disable AVB if only RX side is available.

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-09-05 12:19:55 +02:00
Jose Abreu
8f9e5b5db4 net: stmmac: ethtool: Let user configure TX coalesce without RIWT
When RX Watchdog is disabled its currently not possible to configure TX
coalesce settings. Let user configure it anyway.

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-09-05 12:19:54 +02:00
Jose Abreu
0b273ca41f net: stmmac: Only consider RX error when HW Timestamping is not enabled
Only consider that we have an error when HW Timestamping is not enabled
as this can give false positives due to the fact the RX Timestamping in
XGMAC and GMAC cores comes from context descriptors.

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-09-05 12:19:54 +02:00
Jose Abreu
5e3fb0a6e2 net: stmmac: selftests: Implement the ARP Offload test
Implement a test for ARP Offload feature.

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-09-05 12:19:54 +02:00
Jose Abreu
5904a980f9 net: stmmac: xgmac: Implement ARP Offload
Implement the ARP Offload feature in XGMAC cores.

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-09-05 12:19:54 +02:00
Jose Abreu
4647e02119 net: stmmac: selftests: Add selftest for L3/L4 Filters
Adds the selftests for L3 and L4 filters with DA/SA/DP/SP support.

Changes from v1:
	- Reduce stack usage (kbuild test robot)

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-09-05 12:19:54 +02:00
Jose Abreu
425eabddaf net: stmmac: Implement L3/L4 Filters using TC Flower
Implement filters for Layer 3 and Layer 4 using TC Flower API. Add the
corresponding callbacks in XGMAC core.

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-09-05 12:19:54 +02:00
Jose Abreu
c104891c4b net: stmmac: Do not return error code in TC Initialization
As we can still use the remaining TC callbacks, e.g. CBS. We should not
fail in the initialization only because RX Parser is not available.

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-09-05 12:19:54 +02:00
Jose Abreu
6338488356 net: stmmac: xgmac: Add RBU handling in DMA interrupt
Add the handling of Receive Buffer Unavailable interrupt in the DMA
handler of XGMAC cores.

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-09-05 12:19:54 +02:00
Jose Abreu
9513321069 net: stmmac: selftests: Return proper error code to userspace
We can do better than just return 1 to userspace. Lets return a proper
Linux error code.

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-09-05 12:19:54 +02:00
Yizhuo
e33b4325e6 net: stmmac: dwmac-sun8i: Variable "val" in function sun8i_dwmac_set_syscon() could be uninitialized
In function sun8i_dwmac_set_syscon(), local variable "val" could
be uninitialized if function regmap_field_read() returns -EINVAL.
However, it will be used directly in the if statement, which
is potentially unsafe.

Signed-off-by: Yizhuo <yzhai003@ucr.edu>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-09-02 11:48:15 -07:00
David S. Miller
765b7590c9 Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
r8152 conflicts are the NAPI fixes in 'net' overlapping with
some tasklet stuff in net-next

Signed-off-by: David S. Miller <davem@davemloft.net>
2019-09-02 11:20:17 -07:00
Stephen Rothwell
27382472ad net: stmmac: depend on COMMON_CLK
Fixes: 190f73ab4c ("net: stmmac: setup higher frequency clk support for EHL & TGL")
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-08-30 14:35:02 -07:00
Chen-Yu Tsai
3b25528e1e net: stmmac: dwmac-rk: Don't fail if phy regulator is absent
The devicetree binding lists the phy phy as optional. As such, the
driver should not bail out if it can't find a regulator. Instead it
should just skip the remaining regulator related code and continue
on normally.

Skip the remainder of phy_power_on() if a regulator supply isn't
available. This also gets rid of the bogus return code.

Fixes: 2e12f53663 ("net: stmmac: dwmac-rk: Use standard devicetree property for phy regulator")
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-08-30 14:16:26 -07:00
Voon Weifeng
190f73ab4c net: stmmac: setup higher frequency clk support for EHL & TGL
EHL DW EQOS is running on a 200MHz clock. Setting up stmmac-clk,
ptp clock and ptp_max_adj to 200MHz.

Signed-off-by: Voon Weifeng <weifeng.voon@intel.com>
Signed-off-by: Ong Boon Leong <boon.leong.ong@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-08-27 21:59:38 -07:00
Voon Weifeng
f6256585fe net: stmmac: add EHL RGMII 1Gbps PCI info and PCI ID
Added EHL RGMII 1Gbps PCI ID. Different MII and speed will have
different PCI ID.

Signed-off-by: Voon Weifeng <weifeng.voon@intel.com>
Signed-off-by: Ong Boon Leong <boon.leong.ong@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-08-27 21:59:37 -07:00
Voon Weifeng
e125dcef75 net: stmmac: add TGL SGMII 1Gbps PCI info and PCI ID
Added TGL SGMII 1Gbps PCI ID. Different MII and speed will have
different PCI ID.

Signed-off-by: Voon Weifeng <weifeng.voon@intel.com>
Signed-off-by: Ong Boon Leong <boon.leong.ong@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-08-27 21:59:37 -07:00
Voon Weifeng
99122836d2 net: stmmac: add EHL SGMII 1Gbps PCI info and PCI ID
Added EHL SGMII 1Gbps PCI ID. Different MII and speed will have
different PCI ID.

Signed-off-by: Voon Weifeng <weifeng.voon@intel.com>
Signed-off-by: Ong Boon Leong <boon.leong.ong@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-08-27 21:59:37 -07:00
Markus Elfring
399e06a517 ethernet: Delete unnecessary checks before the macro call “dev_kfree_skb”
The dev_kfree_skb() function performs also input parameter validation.
Thus the test around the shown calls is not needed.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-08-22 16:22:04 -07:00
YueHaibing
2b9b5e7450 net: stmmac: dwc-qos: use devm_platform_ioremap_resource() to simplify code
Use devm_platform_ioremap_resource() to simplify the code a bit.
This is detected by coccinelle.

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-08-21 13:52:34 -07:00
YueHaibing
ad124aa34e net: stmmac: dwmac-anarion: use devm_platform_ioremap_resource() to simplify code
Use devm_platform_ioremap_resource() to simplify the code a bit.
This is detected by coccinelle.

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-08-21 13:52:33 -07:00
YueHaibing
f33bf6b00f net: stmmac: dwmac-meson: use devm_platform_ioremap_resource() to simplify code
Use devm_platform_ioremap_resource() to simplify the code a bit.
This is detected by coccinelle.

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-08-21 13:52:33 -07:00
YueHaibing
999232a38f net: stmmac: dwmac-meson8b: use devm_platform_ioremap_resource() to simplify code
Use devm_platform_ioremap_resource() to simplify the code a bit.
This is detected by coccinelle.

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-08-21 13:52:33 -07:00
David S. Miller
446bf64b61 Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Merge conflict of mlx5 resolved using instructions in merge
commit 9566e650bf.

Signed-off-by: David S. Miller <davem@davemloft.net>
2019-08-19 11:54:03 -07:00
Pablo Neira Ayuso
ef01adae0e net: sched: use major priority number as hardware priority
tc transparently maps the software priority number to hardware. Update
it to pass the major priority which is what most drivers expect. Update
drivers too so they do not need to lshift the priority field of the
flow_cls_common_offload object. The stmmac driver is an exception, since
this code assumes the tc software priority is fine, therefore, lshift it
just to be conservative.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-08-18 14:13:23 -07:00
Jose Abreu
94e1838200 net: stmmac: selftests: Add selftest for VLAN TX Offload
Add 2 new selftests for VLAN Insertion offloading. Tests are for inner
and outer VLAN offloading.

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-08-17 12:43:59 -07:00
Jose Abreu
30d932279d net: stmmac: Add support for VLAN Insertion Offload
Adds the logic to insert a given VLAN ID in a packet. This is offloaded
to HW and its descriptor based. For now, only XGMAC implements the
necessary callbacks.

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-08-17 12:43:59 -07:00
Jose Abreu
81b945aea0 net: stmmac: xgmac: Add EEE support
Add support for EEE in XGMAC cores by implementing the necessary
callbacks.

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-08-17 12:43:59 -07:00
Jose Abreu
8180d5797a net: stmmac: selftests: Add tests for SA Insertion/Replacement
Add 4 new tests:
	- SA Insertion (register based)
	- SA Insertion (descriptor based)
	- SA Replacament (register based)
	- SA Replacement (descriptor based)

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-08-17 12:43:59 -07:00
Jose Abreu
8000ddc0ec net: stmmac: Add support for SA Insertion/Replacement in XGMAC cores
Add the support for Source Address Insertion and Replacement in XGMAC
cores. Two methods are supported: Descriptor based and register based.

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-08-17 12:43:59 -07:00
Jose Abreu
bfc5653069 net: stmmac: Add ethtool register dump for XGMAC cores
Add the ethtool interface to dump the register map in XGMAC cores.

Changes from v2:
	- Remove uneeded memset (Jakub)

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-08-17 12:43:59 -07:00
Jose Abreu
95eaf3cd0a net: stmmac: dwxgmac: Add Flexible PPS support
Add the support for Flexible PPS in XGMAC cores.

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-08-17 12:43:59 -07:00
Jose Abreu
b5418e130e net: stmmac: Add a counter for Split Header packets
Add a counter that increments each time a packet with split header is
received.

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-08-17 12:43:59 -07:00
Jose Abreu
67afd6d1cf net: stmmac: Add Split Header support and enable it in XGMAC cores
Add the support for Split Header feature in the RX path and enable it in
XGMAC cores.

This does not impact neither beneficts bandwidth but it does reduces CPU
usage because without the feature all the entire packet is memcpy'ed,
while that with the feature only the header is.

With Split Header disabled 'perf stat -d' gives:
86870.624945 task-clock (msec)      #    0.429 CPUs utilized
     1073352 context-switches       #    0.012 M/sec
           1 cpu-migrations         #    0.000 K/sec
         213 page-faults            #    0.002 K/sec
327113872376 cycles                 #    3.766 GHz (62.53%)
 56618161216 instructions           #    0.17  insn per cycle (75.06%)
 10742205071 branches               #  123.658 M/sec (75.36%)
   584309242 branch-misses          #    5.44% of all branches (75.19%)
 17594787965 L1-dcache-loads        #  202.540 M/sec (74.88%)
  4003773131 L1-dcache-load-misses  #   22.76% of all L1-dcache hits (74.89%)
  1313301468 LLC-loads              #   15.118 M/sec (49.75%)
   355906510 LLC-load-misses        #   27.10% of all LL-cache hits (49.92%)

With Split Header enabled 'perf stat -d' gives:
49324.456539 task-clock (msec)     #    0.245 CPUs utilized
     2542387 context-switches      #    0.052 M/sec
           1 cpu-migrations        #    0.000 K/sec
         213 page-faults           #    0.004 K/sec
177092791469 cycles                #    3.590 GHz (62.30%)
 68555756017 instructions          #    0.39  insn per cycle (75.16%)
 12697019382 branches              #  257.418 M/sec (74.81%)
   442081897 branch-misses         #    3.48% of all branches (74.79%)
 20337958358 L1-dcache-loads       #  412.330 M/sec (75.46%)
  3820210140 L1-dcache-load-misses #   18.78% of all L1-dcache hits (75.35%)
  1257719198 LLC-loads             #   25.499 M/sec (49.73%)
   685543923 LLC-load-misses       #   54.51% of all LL-cache hits (49.86%)

Changes from v2:
	- Reword commit message (Jakub)
Changes from v1:
	- Add performance info (David)
	- Add misssing dma_sync_single_for_device()

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-08-17 12:43:59 -07:00
Jose Abreu
c887e02a93 net: stmmac: xgmac: Correctly return that RX descriptor is not last one
Return the correct value when RX descriptor is not the last one.

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-08-17 12:43:59 -07:00
Jose Abreu
ec222003bd net: stmmac: Prepare to add Split Header support
In order to add Split Header support, stmmac_rx() needs to take into
account that packet may be split accross multiple descriptors.

Refactor the logic of this function in order to support this scenario.

Changes from v2:
	- Fixup if condition detection (Jakub)
	- Don't stop NAPI with unfinished packet (Jakub)
	- Use napi_alloc_skb() (Jakub)

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-08-17 12:43:59 -07:00
Jose Abreu
25e80cd05f net: stmmac: Get correct timestamp values from XGMAC
TX Timestamp in XGMAC comes from MAC instead of descriptors. Implement
this in a new callback.

Also, RX Timestamp in XGMAC must be cheked against corruption and we need
a barrier to make sure that descriptor fields are read correctly.

Changes from v2:
	- Rework return code check (Jakub)
Changes from v1:
	- Rework the get timestamp function (David)

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-08-17 12:43:59 -07:00
Greg Kroah-Hartman
8d72ab119f stmmac: no need to check return value of debugfs_create functions
When calling debugfs functions, there is no need to ever check the
return value.  The function can work or not, but the code logic should
never do something different based on this.

Because we don't care about the individual files, we can remove the
stored dentry for the files, as they are not needed to be kept track of
at all.

Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Cc: Alexandre Torgue <alexandre.torgue@st.com>
Cc: Jose Abreu <joabreu@synopsys.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Maxime Coquelin <mcoquelin.stm32@gmail.com>
Cc: netdev@vger.kernel.org
Cc: linux-stm32@st-md-mailman.stormreply.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-08-10 15:25:48 -07:00
Jose Abreu
ccfc639a94 net: stmmac: selftests: Add a selftest for Flexible RX Parser
Add a selftest for the Flexible RX Parser feature.

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-08-08 22:20:19 -07:00
Jose Abreu
d6e1c12cf9 net: stmmac: Add Flexible RX Parser support in XGMAC
XGMAC cores also support the Flexible RX Parser feature. Add the support
for it in the XGMAC core.

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-08-08 22:20:19 -07:00
Jose Abreu
56e58d6c8a net: stmmac: Implement Safety Features in XGMAC core
XGMAC also supports Safety Features. This patch implements the
configuration and handling of this feature in XGMAC core.

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-08-08 22:20:19 -07:00
Jose Abreu
74043f6b22 net: stmmac: selftests: Add test for VLAN and Double VLAN Filtering
Add a selftest for VLAN and Double VLAN Filtering in stmmac.

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-08-08 22:20:19 -07:00
Jose Abreu
3cd1cfcba2 net: stmmac: Implement VLAN Hash Filtering in XGMAC
Implement the VLAN Hash Filtering feature in XGMAC core.

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-08-08 22:20:19 -07:00
Jose Abreu
1fbdad0005 net: stmmac: selftests: Add RSS test
Add a test for RSS in the stmmac selftests.

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-08-08 22:20:19 -07:00
Jose Abreu
76067459c6 net: stmmac: Implement RSS and enable it in XGMAC core
Implement the RSS functionality and add the corresponding callbacks in
XGMAC core.

Changes from v1:
	- Do not use magic constants (Jakub)
	- Use ethtool_rxfh_indir_default() (Jakub)

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-08-08 22:20:19 -07:00
Jose Abreu
7035aad875 net: stmmac: xgmac: Implement tx_queue_prio()
Implement the TX Queue Priority callback in XGMAC core.

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-08-08 22:20:19 -07:00
Jose Abreu
5656ac5542 net: stmmac: xgmac: Implement set_mtl_tx_queue_weight()
Implement the TX Queue Weight callback. In order for this to be active
we also need to set ETS algorithm when configuring Queue.

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-08-08 22:20:19 -07:00
Jose Abreu
b6cdf09f51 net: stmmac: xgmac: Implement MMC counters
Implement the MMC counters feature in XGMAC core.

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-08-08 22:20:18 -07:00
David S. Miller
13dfb3fa49 Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Just minor overlapping changes in the conflicts here.

Signed-off-by: David S. Miller <davem@davemloft.net>
2019-08-06 18:44:57 -07:00
Jose Abreu
4a6a1385a4 net: stmmac: tc: Do not return a fragment entry
Do not try to return a fragment entry from TC list. Otherwise we may not
clean properly allocated entries.

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-08-06 12:26:11 -07:00
Jose Abreu
e8df7e8c23 net: stmmac: Fix issues when number of Queues >= 4
When queues >= 4 we use different registers but we were not subtracting
the offset of 4. Fix this.

Found out by Coverity.

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-08-06 12:26:11 -07:00
Jose Abreu
0efedbf11f net: stmmac: xgmac: Fix XGMAC selftests
Fixup the XGMAC selftests by correctly finishing the implementation of
set_filter callback.

Result:
$ ethtool -t enp4s0
The test result is PASS
The test extra info:
 1. MAC Loopback         	 0
 2. PHY Loopback         	 -95
 3. MMC Counters         	 -95
 4. EEE                  	 -95
 5. Hash Filter MC       	 0
 6. Perfect Filter UC    	 0
 7. MC Filter            	 0
 8. UC Filter            	 0
 9. Flow Control         	 0

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-08-06 12:26:11 -07:00
Frode Isaksen
4d97972b45 net: stmmac: Use netif_tx_napi_add() for TX polling function
This variant of netif_napi_add() should be used from drivers
using NAPI to exclusively poll a TX queue.

Signed-off-by: Frode Isaksen <fisaksen@baylibre.com>
Tested-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-31 19:09:36 -04:00
Stephen Boyd
d1a55841ab net: Remove dev_err() usage after platform_get_irq()
We don't need dev_err() messages when platform_get_irq() fails now that
platform_get_irq() prints an error message itself when something goes
wrong. Let's remove these prints with a simple semantic patch.

// <smpl>
@@
expression ret;
struct platform_device *E;
@@

ret =
(
platform_get_irq(E, ...)
|
platform_get_irq_byname(E, ...)
);

if ( \( ret < 0 \| ret <= 0 \) )
{
(
-if (ret != -EPROBE_DEFER)
-{ ...
-dev_err(...);
-... }
|
...
-dev_err(...);
)
...
}
// </smpl>

While we're here, remove braces on if statements that only have one
statement (manually).

Cc: "David S. Miller" <davem@davemloft.net>
Cc: Kalle Valo <kvalo@codeaurora.org>
Cc: Saeed Mahameed <saeedm@mellanox.com>
Cc: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Cc: Felix Fietkau <nbd@nbd.name>
Cc: Lorenzo Bianconi <lorenzo@kernel.org>
Cc: netdev@vger.kernel.org
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-30 14:37:35 -07:00
Jose Abreu
3caa61c208 net: stmmac: Sync RX Buffer upon allocation
With recent changes that introduced support for Page Pool in stmmac, Jon
reported that NFS boot was no longer working on an ARM64 based platform
that had the IP behind an IOMMU.

As Page Pool API does not guarantee DMA syncing because of the use of
DMA_ATTR_SKIP_CPU_SYNC flag, we have to explicit sync the whole buffer upon
re-allocation because we are always re-using same pages.

In fact, ARM64 code invalidates the DMA area upon two situations [1]:
	- sync_single_for_cpu(): Invalidates if direction != DMA_TO_DEVICE
	- sync_single_for_device(): Invalidates if direction == DMA_FROM_DEVICE

So, as we must invalidate both the current RX buffer and the newly allocated
buffer we propose this fix.

[1] arch/arm64/mm/cache.S

Reported-by: Jon Hunter <jonathanh@nvidia.com>
Tested-by: Jon Hunter <jonathanh@nvidia.com>
Fixes: 2af6106ae9 ("net: stmmac: Introducing support for Page Pool")
Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Tested-by: Ezequiel Garcia <ezequiel@collabora.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-30 10:25:58 -07:00
Martin Blumenstingl
195b2919cc net: stmmac: manage errors returned by of_get_mac_address()
Commit d01f449c00 ("of_net: add NVMEM support to of_get_mac_address")
added support for reading the MAC address from an nvmem-cell. This
required changing the logic to return an error pointer upon failure.

If stmmac is loaded before the nvmem provider driver then
of_get_mac_address() return an error pointer with -EPROBE_DEFER.

Propagate this error so the stmmac driver will be probed again after the
nvmem provider driver is loaded.
Default to a random generated MAC address in case of any other error,
instead of using the error pointer as MAC address.

Fixes: d01f449c00 ("of_net: add NVMEM support to of_get_mac_address")
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-29 10:57:10 -07:00
Thierry Reding
ddfbee9e32 net: stmmac: Do not request stmmaceth clock
The stmmaceth clock is specified by the slave_bus and apb_pclk clocks in
the device tree bindings for snps,dwc-qos-ethernet-4.10 compatible nodes
of this IP.

The subdrivers for these bindings will be requesting the stmmac clock
correctly at a later point, so there is no need to request it here and
cause an error message to be printed to the kernel log.

Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-27 13:52:26 -07:00
Thierry Reding
1a981c0586 net: stmmac: Make MDIO bus reset optional
The Tegra EQOS driver already resets the MDIO bus at probe time via the
reset GPIO specified in the phy-reset-gpios device tree property. There
is no need to reset the bus again later on.

This avoids the need to query the device tree for the snps,reset GPIO,
which is not part of the Tegra EQOS device tree bindings. This quiesces
an error message from the generic bus reset code if it doesn't find the
snps,reset related delays.

Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-27 13:52:26 -07:00
Jose Abreu
df7699c70c net: stmmac: Do not cut down 1G modes
Some glue logic drivers support 1G without having GMAC/GMAC4/XGMAC.

Let's allow this speed by default.

Reported-by: Ondrej Jirman <megi@xff.cz>
Tested-by: Ondrej Jirman <megi@xff.cz>
Fixes: 5b0d7d7da6 ("net: stmmac: Add the missing speeds that XGMAC supports")
Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-22 18:29:31 -07:00
Jose Abreu
ec5e5ce1e1 net: stmmac: Use kcalloc() instead of kmalloc_array()
We need the memory to be zeroed upon allocation so use kcalloc()
instead.

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-22 18:23:32 -07:00
Jose Abreu
cbcf0999ae net: stmmac: RX Descriptors need to be clean before setting buffers
RX Descriptors are being cleaned after setting the buffers which may
lead to buffer addresses being wiped out.

Fix this by clearing earlier the RX Descriptors.

Fixes: 2af6106ae9 ("net: stmmac: Introducing support for Page Pool")
Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-22 18:23:32 -07:00
Joe Perches
aa4c0c9091 net: stmmac: Fix misuses of GENMASK macro
Arguments are supposed to be ordered high then low.

Fixes: 293e4365a1 ("stmmac: change descriptor layout")
Fixes: 9f93ac8d40 ("net-next: stmmac: Add dwmac-sun8i")
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-11 14:30:07 -07:00
Pablo Neira Ayuso
955bcb6ea0 drivers: net: use flow block API
This patch updates flow_block_cb_setup_simple() to use the flow block API.
Several drivers are also adjusted to use it.

This patch introduces the per-driver list of flow blocks to account for
blocks that are already in use.

Remove tc_block_offload alias.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-09 14:38:50 -07:00
Pablo Neira Ayuso
4e95bc268b net: flow_offload: add flow_block_cb_setup_simple()
Most drivers do the same thing to set up the flow block callbacks, this
patch adds a helper function to do this.

This preparation patch reduces the number of changes to adapt the
existing drivers to use the flow block callback API.

This new helper function takes a flow block list per-driver, which is
set to NULL until this driver list is used.

This patch also introduces the flow_block_command and
flow_block_binder_type enumerations, which are renamed to use
FLOW_BLOCK_* in follow up patches.

There are three definitions (aliases) in order to reduce the number of
updates in this patch, which go away once drivers are fully adapted to
use this flow block API.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-09 14:38:50 -07:00
Biao Huang
b8ef7020d6 net: stmmac: add support for hash table size 128/256 in dwmac4
1. get hash table size in hw feature reigster, and add support
for taller hash table(128/256) in dwmac4.
2. only clear GMAC_PACKET_FILTER bits used in this function,
to avoid side effect to functions of other bits.

stmmac selftests output log with flow control on:
	ethtool -t eth0
	The test result is PASS
	The test extra info:
	 1. MAC Loopback                 0
	 2. PHY Loopback                 -95
	 3. MMC Counters                 0
	 4. EEE                          -95
	 5. Hash Filter MC               0
	 6. Perfect Filter UC            0
	 7. MC Filter                    0
	 8. UC Filter                    0
	 9. Flow Control                 0

Signed-off-by: Biao Huang <biao.huang@mediatek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-09 14:17:59 -07:00
Biao Huang
efd58adf8f net: stmmac: dwmac4: mac address array boudary violation issue
The mac address array size is GMAC_MAX_PERFECT_ADDRESSES,
so the 'reg' should be less than it, or will affect other registers.

Signed-off-by: Biao Huang <biao.huang@mediatek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-09 14:17:59 -07:00
Jose Abreu
2af6106ae9 net: stmmac: Introducing support for Page Pool
Mapping and unmapping DMA region is an high bottleneck in stmmac driver,
specially in the RX path.

This commit introduces support for Page Pool API and uses it in all RX
queues. With this change, we get more stable troughput and some increase
of banwidth with iperf:
	- MAC1000 - 950 Mbps
	- XGMAC: 9.22 Gbps

Changes from v3:
	- Use page_pool_destroy() (Ilias)
Changes from v2:
	- Uncoditionally call page_pool_free() (Jesper)
Changes from v1:
	- Use page_pool_get_dma_addr() (Jesper)
	- Add a comment (Jesper)
	- Add page_pool_free() call (Jesper)
	- Reintroduce sync_single_for_device (Arnd / Ilias)

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Acked-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-09 12:20:08 -07:00
Jose Abreu
06a80a7d09 net: stmmac: Fix descriptors address being in > 32 bits address space
Commit a993db88d1 ("net: stmmac: Enable support for > 32 Bits
addressing in XGMAC"), introduced support for > 32 bits addressing in
XGMAC but the conversion of descriptors to dma_addr_t was left out.

As some devices assing coherent memory in regions > 32 bits we need to
set lower and upper value of descriptors address when initializing DMA
channels.

Luckly, this was working for me because I was assigning CMA to < 4GB
address space for performance reasons.

Fixes: a993db88d1 ("net: stmmac: Enable support for > 32 Bits addressing in XGMAC")
Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-09 12:20:08 -07:00
Jose Abreu
d429b66e2e net: stmmac: Implement RX Coalesce Frames setting
Add support for coalescing RX path by specifying number of frames which
don't need to have interrupt on completion bit set.

This is only available when RX Watchdog is enabled.

Acked-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-09 12:20:08 -07:00
David S. Miller
af144a9834 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Two cases of overlapping changes, nothing fancy.

Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-08 19:48:57 -07:00
Kweh Hock Leong
d4117d63a3 net: stmmac: enable clause 45 mdio support
DWMAC4 is capable to support clause 45 mdio communication.
This patch enable the feature on stmmac_mdio_write() and
stmmac_mdio_read() by following phy_write_mmd() and
phy_read_mmd() mdiobus read write implementation format.

Reviewed-by: Li, Yifan <yifan2.li@intel.com>
Signed-off-by: Kweh Hock Leong <hock.leong.kweh@intel.com>
Signed-off-by: Ong Boon Leong <boon.leong.ong@intel.com>
Signed-off-by: Voon Weifeng <weifeng.voon@intel.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-08 16:08:55 -07:00
Jose Abreu
4993e5b37e net: stmmac: Re-work the queue selection for TSO packets
Ben Hutchings says:
	"This is the wrong place to change the queue mapping.
	stmmac_xmit() is called with a specific TX queue locked,
	and accessing a different TX queue results in a data race
	for all of that queue's state.

	I think this commit should be reverted upstream and in all
	stable branches.  Instead, the driver should implement the
	ndo_select_queue operation and override the queue mapping there."

Fixes: c5acdbee22 ("net: stmmac: Send TSO packets always from Queue 0")
Suggested-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-08 12:36:06 -07:00
Weifeng Voon
c3efed5ad1 net: stmmac: Enable dwmac4 jumbo frame more than 8KiB
Enable GMAC v4.xx and beyond to support 16KiB buffer.

Signed-off-by: Weifeng Voon <weifeng.voon@intel.com>
Signed-off-by: Ong Boon Leong <boon.leong.ong@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-04 12:33:12 -07:00
Martin Blumenstingl
cc5e92c223 net: stmmac: make "snps,reset-delays-us" optional again
Commit 760f1dc295 ("net: stmmac: add sanity check to
device_property_read_u32_array call") introduced error checking of the
device_property_read_u32_array() call in stmmac_mdio_reset().
This results in the following error when the "snps,reset-delays-us"
property is not defined in devicetree:
  invalid property snps,reset-delays-us

This sanity check made sense until commit 84ce4d0f9f ("net: stmmac:
initialize the reset delay array") ensured that there are fallback
values for the reset delay if the "snps,reset-delays-us" property is
absent. That was at the cost of making that property mandatory though.

Drop the sanity check for device_property_read_u32_array() and thus make
the "snps,reset-delays-us" property optional again (avoiding the error
message while loading the stmmac driver with a .dtb where the property
is absent).

Fixes: 760f1dc295 ("net: stmmac: add sanity check to device_property_read_u32_array call")
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-02 15:23:43 -07:00
Jose Abreu
b432bdb6c6 net: stmmac: Re-word Kconfig entry
We support many speeds and it doesn't make much sense to list them all
in the Kconfig. Let's just call it Multi-Gigabit.

Suggested-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Cc: Joao Pinto <jpinto@synopsys.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Cc: Alexandre Torgue <alexandre.torgue@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-02 11:06:12 -07:00
Jose Abreu
41a4a5a259 net: stmmac: Update Kconfig entry
We support more speeds now. Update the Kconfig entry.

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Cc: Joao Pinto <jpinto@synopsys.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Cc: Alexandre Torgue <alexandre.torgue@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-28 09:23:39 -07:00
Jose Abreu
3ba07debfc net: stmmac: Only disable interrupts if NAPI is scheduled
Only disable the interrupts if RX NAPI gets to be scheduled. Also,
schedule the TX NAPI only when the interrupts are disabled.

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Cc: Joao Pinto <jpinto@synopsys.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Cc: Alexandre Torgue <alexandre.torgue@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-28 09:23:39 -07:00
Jose Abreu
858a31ffc3 net: stmmac: Update RX Tail Pointer to last free entry
Update the RX Tail Pointer to the last available SKB entry.

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Cc: Joao Pinto <jpinto@synopsys.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Cc: Alexandre Torgue <alexandre.torgue@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-28 09:23:39 -07:00
Jose Abreu
a993db88d1 net: stmmac: Enable support for > 32 Bits addressing in XGMAC
Currently, stmmac only supports 32 bits addressing for SKB. Enable the
support for upto 48 bits addressing in XGMAC core.

This avoids the use of bounce buffers and increases performance.

Changes from v1:
	- Fallback to 32 bits in failure (Andrew)

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Cc: Joao Pinto <jpinto@synopsys.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Cc: Alexandre Torgue <alexandre.torgue@st.com>
Cc: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-28 09:23:39 -07:00
Jose Abreu
a66b58849f net: stmmac: Do not disable interrupts when cleaning TX
This is a performance killer and anyways the interrupts are being
disabled by RX NAPI so no need to disable them again.

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Cc: Joao Pinto <jpinto@synopsys.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Cc: Alexandre Torgue <alexandre.torgue@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-28 09:23:39 -07:00
Jose Abreu
5b0d7d7da6 net: stmmac: Add the missing speeds that XGMAC supports
XGMAC supports following speeds:
	- 10G XGMII
	- 5G XGMII
	- 2.5G XGMII
	- 2.5G GMII
	- 1G GMII
	- 100M MII
	- 10M MII

Add them to the stmmac driver.

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Cc: Joao Pinto <jpinto@synopsys.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Cc: Alexandre Torgue <alexandre.torgue@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-28 09:23:39 -07:00
Jose Abreu
900a81cc11 net: stmmac: dwxgmac: Fix the undefined burst setting
Undefined burst shall only be set if pdata asks to.

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Cc: Joao Pinto <jpinto@synopsys.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Cc: Alexandre Torgue <alexandre.torgue@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-28 09:23:39 -07:00
Jose Abreu
01d1689d6d net: stmmac: Decrease default RX Watchdog value
For performance reasons decrease the default RX Watchdog value for the
minimum allowed.

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Cc: Joao Pinto <jpinto@synopsys.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Cc: Alexandre Torgue <alexandre.torgue@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-28 09:23:39 -07:00
Jose Abreu
5b1117704d net: stmmac: Do not try to enable PHY EEE if MAC does not support it
Do not enable EEE feature in the PHY if MAC does not support it.

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Cc: Joao Pinto <jpinto@synopsys.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Cc: Alexandre Torgue <alexandre.torgue@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-28 09:23:39 -07:00
Jose Abreu
8fe82bd460 net: stmmac: dwxgmac: Enable EDMA by default
Enable the EDMA feature by default which gives higher performance.

Changes from v1:
	- Do not use magic values (David)

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Cc: Joao Pinto <jpinto@synopsys.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Cc: Alexandre Torgue <alexandre.torgue@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-28 09:23:38 -07:00
Jose Abreu
42e87024f7 net: stmmac: Fix case when PHY handle is not present
Some DT bindings do not have the PHY handle. Let's fallback to manually
discovery in case phylink_of_phy_connect() fails.

Changes from v1:
	- Fixup comment style (Sergei)

Fixes: 74371272f9 ("net: stmmac: Convert to phylink and remove phylib logic")
Reported-by: Katsuhiro Suzuki <katsuhiro@katsuster.net>
Tested-by: Katsuhiro Suzuki <katsuhiro@katsuster.net>
Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Cc: Joao Pinto <jpinto@synopsys.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Cc: Alexandre Torgue <alexandre.torgue@st.com>
Cc: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-28 09:18:54 -07:00
David S. Miller
d96ff269a0 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
The new route handling in ip_mc_finish_output() from 'net' overlapped
with the new support for returning congestion notifications from BPF
programs.

In order to handle this I had to take the dev_loopback_xmit() calls
out of the switch statement.

The aquantia driver conflicts were simple overlapping changes.

Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-27 21:06:39 -07:00
Jon Hunter
177d935a13 net: stmmac: Fix crash observed if PHY does not support EEE
If the PHY does not support EEE mode, then a crash is observed when the
ethernet interface is enabled. The crash occurs, because if the PHY does
not support EEE, then although the EEE timer is never configured, it is
still marked as enabled and so the stmmac ethernet driver is still
trying to update the timer by calling mod_timer(). This triggers a BUG()
in the mod_timer() because we are trying to update a timer when there is
no callback function set because timer_setup() was never called for this
timer.

The problem is caused because we return true from the function
stmmac_eee_init(), marking the EEE timer as enabled, even when we have
not configured the EEE timer. Fix this by ensuring that we return false
if the PHY does not support EEE and hence, 'eee_active' is not set.

Fixes: 74371272f9 ("net: stmmac: Convert to phylink and remove phylib logic")
Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Tested-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-26 09:10:24 -07:00
Jon Hunter
0867bb9768 net: stmmac: Fix possible deadlock when disabling EEE support
When stmmac_eee_init() is called to disable EEE support, then the timer
for EEE support is stopped and we return from the function. Prior to
stopping the timer, a mutex was acquired but in this case it is never
released and so could cause a deadlock. Fix this by releasing the mutex
prior to returning from stmmax_eee_init() when stopping the EEE timer.

Fixes: 74371272f9 ("net: stmmac: Convert to phylink and remove phylib logic")
Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Tested-by: Thierry Reding <treding@nvidia.com>
Acked-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-26 09:10:24 -07:00
Icenowy Zheng
0fec7e72ae net: stmmac: sun8i: force select external PHY when no internal one
The PHY selection bit also exists on SoCs without an internal PHY; if it's
set to 1 (internal PHY, default value) then the MAC will not make use of
any PHY on such SoCs.

This problem appears when adapting for H6, which has no real internal PHY
(the "internal PHY" on H6 is not on-die, but on a co-packaged AC200 chip,
connected via RMII interface at GPIO bank A).

Force the PHY selection bit to 0 when the SOC doesn't have an internal PHY,
to address the problem of a wrong default value.

Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
Signed-off-by: Ondrej Jirman <megous@megous.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-24 13:25:11 -07:00
Icenowy Zheng
adadd38c53 net: stmmac: sun8i: add support for Allwinner H6 EMAC
The EMAC on Allwinner H6 is just like the one on A64. The "internal PHY" on
H6 is on a co-packaged AC200 chip, and it's not really internal (it's
connected via RMII at PA GPIO bank).

Add support for the Allwinner H6 EMAC in the dwmac-sun8i driver.

Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
Signed-off-by: Ondrej Jirman <megous@megous.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-24 13:25:11 -07:00
Roland Hii
d0bb82fd60 net: stmmac: set IC bit when transmitting frames with HW timestamp
When transmitting certain PTP frames, e.g. SYNC and DELAY_REQ, the
PTP daemon, e.g. ptp4l, is polling the driver for the frame transmit
hardware timestamp. The polling will most likely timeout if the tx
coalesce is enabled due to the Interrupt-on-Completion (IC) bit is
not set in tx descriptor for those frames.

This patch will ignore the tx coalesce parameter and set the IC bit
when transmitting PTP frames which need to report out the frame
transmit hardware timestamp to user space.

Fixes: f748be531d ("net: stmmac: Rework coalesce timer and fix multi-queue races")
Signed-off-by: Roland Hii <roland.king.guan.hii@intel.com>
Signed-off-by: Ong Boon Leong <boon.leong.ong@intel.com>
Signed-off-by: Voon Weifeng <weifeng.voon@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-22 16:17:31 -07:00
Roland Hii
a1e5388b4d net: stmmac: fixed new system time seconds value calculation
When ADDSUB bit is set, the system time seconds field is calculated as
the complement of the seconds part of the update value.

For example, if 3.000000001 seconds need to be subtracted from the
system time, this field is calculated as
2^32 - 3 = 4294967296 - 3 = 0x100000000 - 3 = 0xFFFFFFFD

Previously, the 0x100000000 is mistakenly written as 100000000.

This is further simplified from
  sec = (0x100000000ULL - sec);
to
  sec = -sec;

Fixes: ba1ffd74df ("stmmac: fix PTP support for GMAC4")
Signed-off-by: Roland Hii <roland.king.guan.hii@intel.com>
Signed-off-by: Ong Boon Leong <boon.leong.ong@intel.com>
Signed-off-by: Voon Weifeng <weifeng.voon@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-22 16:16:23 -07:00
David S. Miller
92ad6325cb Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Minor SPDX change conflict.

Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-22 08:59:24 -04:00
Martin Blumenstingl
84ce4d0f9f net: stmmac: initialize the reset delay array
Commit ce4ab73ab0 ("net: stmmac: drop the reset delays from struct
stmmac_mdio_bus_data") moved the reset delay array from struct
stmmac_mdio_bus_data to a stack variable.
The values from the array inside struct stmmac_mdio_bus_data were
previously initialized to 0 because the struct was allocated using
devm_kzalloc(). The array on the stack has to be initialized
explicitly, else we might be reading garbage values.

Initialize all reset delays to 0 to ensure that the values are 0 if the
"snps,reset-delays-us" property is not defined.
This fixes booting at least two boards (MIPS pistachio marduk and ARM
sun8i H2+ Orange Pi Zero). These are hanging during boot when
initializing the stmmac Ethernet controller (as found by Kernel CI).
Both have in common that they don't define the "snps,reset-delays-us"
property.

Fixes: ce4ab73ab0 ("net: stmmac: drop the reset delays from struct stmmac_mdio_bus_data")
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Reported-by: "kernelci.org bot" <bot@kernelci.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-19 17:40:49 -04:00
Thomas Gleixner
caab277b1d treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 234
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 version 2 as
  published by the free software foundation 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 if not see http www gnu org
  licenses

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-only

has been chosen to replace the boilerplate/reference in 503 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Alexios Zavras <alexios.zavras@intel.com>
Reviewed-by: Allison Randal <allison@lohutok.net>
Reviewed-by: Enrico Weigelt <info@metux.net>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190602204653.811534538@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-06-19 17:09:07 +02:00
Colin Ian King
760f1dc295 net: stmmac: add sanity check to device_property_read_u32_array call
Currently the call to device_property_read_u32_array is not error checked
leading to potential garbage values in the delays array that are then used
in msleep delays.  Add a sanity check to the property fetching.

Addresses-Coverity: ("Uninitialized scalar variable")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-18 21:03:38 -04:00
David S. Miller
13091aa305 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Honestly all the conflicts were simple overlapping changes,
nothing really interesting to report.

Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-17 20:20:36 -07:00
Arnd Bergmann
c63d1e5c2d net: stmmac: fix unused-variable warning
When building without CONFIG_OF, we get a harmless build warning:

drivers/net/ethernet/stmicro/stmmac/stmmac_main.c: In function 'stmmac_phy_setup':
drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:973:22: error: unused variable 'node' [-Werror=unused-variable]
  struct device_node *node = priv->plat->phy_node;

Reword it so we always use the local variable, by making it the
fwnode pointer instead of the device_node.

Fixes: 74371272f9 ("net: stmmac: Convert to phylink and remove phylib logic")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-17 16:24:12 -07:00
David S. Miller
4e18a8a149 Merge branch 'stmmac-cleanups-for-stmmac_mdio_reset'
Martin Blumenstingl says:

====================
stmmac: cleanups for stmmac_mdio_reset

This is a successor to my previous series "stmmac: honor the GPIO flags
for the PHY reset GPIO" from [0]. It contains only the "cleanup"
patches from that series plus some additional cleanups on top.

I broke out the actual GPIO flag handling into a separate patch which
is already part of net-next: "net: stmmac: use GPIO descriptors in
stmmac_mdio_reset" from [1]

I have build and runtime tested this on my ARM Meson8b Odroid-C1.

[0] https://patchwork.kernel.org/cover/10983801/
[1] https://patchwork.ozlabs.org/patch/1114798/
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-16 13:55:29 -07:00
Martin Blumenstingl
fead5b1b58 net: stmmac: drop the phy_reset hook from struct stmmac_mdio_bus_data
The phy_reset hook is not set anywhere. Drop it to make
stmmac_mdio_reset() smaller.

Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-16 13:53:41 -07:00
Martin Blumenstingl
ce4ab73ab0 net: stmmac: drop the reset delays from struct stmmac_mdio_bus_data
Only OF platforms use the reset delays and these delays are only read in
stmmac_mdio_reset(). Move them from struct stmmac_mdio_bus_data to a
stack variable inside stmmac_mdio_reset() because that's the only usage
of these delays.

Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-16 13:53:41 -07:00
Martin Blumenstingl
7e770b252a net: stmmac: drop the reset GPIO from struct stmmac_mdio_bus_data
No platform uses the "reset_gpio" field from stmmac_mdio_bus_data
anymore. Drop it so we don't get any new consumers either.

Plain GPIO numbers are being deprecated in favor of GPIO descriptors. If
needed any new non-OF platform can add a GPIO descriptor lookup table.
devm_gpiod_get_optional() will find the GPIO in that case.

Suggested-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-16 13:53:41 -07:00
Martin Blumenstingl
42a90766fe net: stmmac: use device_property_read_u32_array to read the reset delays
Change stmmac_mdio_reset() to use device_property_read_u32_array()
instead of of_property_read_u32_array().

This is meant as a cleanup because we can drop the struct device_node
variable. Also it will make it easier to get rid of struct
stmmac_mdio_bus_data (or at least make it private) in the future because
non-OF platforms can now pass the reset delays as device properties.

No functional changes (neither for OF platforms nor for ones that are
not using OF, because the modified code is still contained in an "if
(priv->device->of_node)").

Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-16 13:53:41 -07:00
Martin Blumenstingl
626c5fe423 net: stmmac: drop redundant check in stmmac_mdio_reset
A simplified version of the existing code looks like this:
  if (priv->device->of_node) {
      struct device_node *np = priv->device->of_node;
      if (!np)
          return 0;

The second "if" never evaluates to true because the first "if" checks
for exactly the opposite.
Drop the redundant check and early return to make the code easier to
understand.

No functional changes intended.

Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-16 13:53:41 -07:00
Jose Abreu
4838a54050 net: stmmac: Fix wrapper drivers not detecting PHY
Because of PHYLINK conversion we stopped parsing the phy-handle property
from DT. Unfortunatelly, some wrapper drivers still rely on this phy
node to configure the PHY.

Let's restore the parsing of PHY handle while these wrapper drivers are
not fully converted to PHYLINK.

Fixes: 74371272f9 ("net: stmmac: Convert to phylink and remove phylib logic")
Reported-by: Corentin Labbe <clabbe.montjoie@gmail.com>
Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Cc: Joao Pinto <jpinto@synopsys.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Cc: Alexandre Torgue <alexandre.torgue@st.com>
Tested-by: Corentin Labbe <clabbe.montjoie@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-15 13:58:28 -07:00
Martin Blumenstingl
7c86f20d15 net: stmmac: use GPIO descriptors in stmmac_mdio_reset
Switch stmmac_mdio_reset to use GPIO descriptors. GPIO core handles the
"snps,reset-gpio" for GPIO descriptors so we don't need to take care of
it inside the driver anymore.

The advantage of this is that we now preserve the GPIO flags which are
passed via devicetree. This is required on some newer Amlogic boards
which use an Open Drain pin for the reset GPIO. This pin can only output
a LOW signal or switch to input mode but it cannot output a HIGH signal.
There are already devicetree bindings for these special cases and GPIO
core already takes care of them but only if we use GPIO descriptors
instead of GPIO numbers.

Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-14 19:08:40 -07:00
Jose Abreu
74371272f9 net: stmmac: Convert to phylink and remove phylib logic
Convert everything to phylink.

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Cc: Joao Pinto <jpinto@synopsys.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Cc: Alexandre Torgue <alexandre.torgue@st.com>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Andrew Lunn <andrew@lunn.ch>
Cc: Florian Fainelli <f.fainelli@gmail.com>
Cc: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-13 14:02:09 -07:00
Jose Abreu
eeef2f6b9f net: stmmac: Start adding phylink support
Start adding the phylink callbacks.

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Cc: Joao Pinto <jpinto@synopsys.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Cc: Alexandre Torgue <alexandre.torgue@st.com>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Andrew Lunn <andrew@lunn.ch>
Cc: Florian Fainelli <f.fainelli@gmail.com>
Cc: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-13 14:02:09 -07:00
Jose Abreu
9ad372fc5a net: stmmac: Prepare to convert to phylink
In preparation for the convertion, split the adjust_link function into
mac_config and add the mac_link_up and mac_link_down functions.

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Cc: Joao Pinto <jpinto@synopsys.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Cc: Alexandre Torgue <alexandre.torgue@st.com>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Andrew Lunn <andrew@lunn.ch>
Cc: Florian Fainelli <f.fainelli@gmail.com>
Cc: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-13 14:02:09 -07:00
David S. Miller
a6cdeeb16b Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Some ISDN files that got removed in net-next had some changes
done in mainline, take the removals.

Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-07 11:00:14 -07:00
Dinh Nguyen
40ae25505f net: stmmac: socfpga: fix phy and ptp_ref setup for Arria10/Stratix10
On the Arria10, Agilex, and Stratix10 SoC, there are a few differences from
the Cyclone5 and Arria5:
 - The emac PHY setup bits are in separate registers.
 - The PTP reference clock select mask is different.
 - The register to enable the emac signal from FPGA is different.

Thus, this patch creates a separate function for setting the phy modes on
Arria10/Agilex/Stratix10. The separation is based a new DTS binding:
"altr,socfpga-stmmac-a10-s10".

Signed-off-by: Dinh Nguyen <dinguyen@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-06 14:21:06 -07:00
Biao Huang
ee326fd01e net: stmmac: dwmac4: fix flow control issue
Current dwmac4_flow_ctrl will not clear
GMAC_RX_FLOW_CTRL_RFE/GMAC_RX_FLOW_CTRL_RFE bits,
so MAC hw will keep flow control on although expecting
flow control off by ethtool. Add codes to fix it.

Fixes: 477286b53f ("stmmac: add GMAC4 core support")
Signed-off-by: Biao Huang <biao.huang@mediatek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-05 17:03:14 -07:00
Biao Huang
d2facb4b39 net: stmmac: modify default value of tx-frames
the default value of tx-frames is 25, it's too late when
passing tstamp to stack, then the ptp4l will fail:

ptp4l -i eth0 -f gPTP.cfg -m
ptp4l: selected /dev/ptp0 as PTP clock
ptp4l: port 1: INITIALIZING to LISTENING on INITIALIZE
ptp4l: port 0: INITIALIZING to LISTENING on INITIALIZE
ptp4l: port 1: link up
ptp4l: timed out while polling for tx timestamp
ptp4l: increasing tx_timestamp_timeout may correct this issue,
       but it is likely caused by a driver bug
ptp4l: port 1: send peer delay response failed
ptp4l: port 1: LISTENING to FAULTY on FAULT_DETECTED (FT_UNSPECIFIED)

ptp4l tests pass when changing the tx-frames from 25 to 1 with
ethtool -C option.
It should be fine to set tx-frames default value to 1, so ptp4l will pass
by default.

Signed-off-by: Biao Huang <biao.huang@mediatek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-05 17:03:14 -07:00
Biao Huang
792232390b net: stmmac: dwmac-mediatek: disable rx watchdog
disable rx watchdog for dwmac-mediatek, then the hw will
issue a rx interrupt once receiving a packet, so the responding time
for rx path will be reduced.

Signed-off-by: Biao Huang <biao.huang@mediatek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-05 17:03:14 -07:00
Biao Huang
5aa070dc50 net: stmmac: dwmac-mediatek: enable Ethernet power domain
add Ethernet power on/off operations in init/exit flow.

Signed-off-by: Biao Huang <biao.huang@mediatek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-05 17:03:14 -07:00
Thomas Gleixner
3c910ecbdd treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 446
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 version 2 as
  published by the free software foundation you should have received a
  copy of the gnu general public license along with this program if
  not see http www gnu org licenses

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-only

has been chosen to replace the boilerplate/reference in 30 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190531190115.962665879@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-06-05 17:37:18 +02:00
Thomas Gleixner
75a6faf617 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 422
Based on 1 normalized pattern(s):

  this program is free software you can redistribute it and or modify
  it under the terms and conditions of the gnu general public license
  version 2 as published by the free software foundation

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-only

has been chosen to replace the boilerplate/reference in 101 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190531190113.822954939@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-06-05 17:37:15 +02:00
Thomas Gleixner
4fa9c49f4d treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 291
Based on 2 normalized pattern(s):

  this program is free software you can redistribute it and or modify
  it under the terms and conditions of the gnu general public license
  version 2 as published by the free software foundation this program
  is distributed in the hope 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 the full gnu general public license is included in
  this distribution in the file called copying

  this program is free software you can redistribute it and or modify
  it under the terms and conditions of the gnu general public license
  version 2 as published by the free software foundation 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 the full gnu general public license is included in
  this distribution in the file called copying

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-only

has been chosen to replace the boilerplate/reference in 57 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Alexios Zavras <alexios.zavras@intel.com>
Reviewed-by: Allison Randal <allison@lohutok.net>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190529141901.515993066@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-06-05 17:36:38 +02:00
Dinh Nguyen
712246bc93 net: stmmac: socfpga: add RMII phy mode
Add option for enabling RMII phy mode.

Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Wei Liang Lim <wei.liang.lim@intel.com>
Signed-off-by: Dinh Nguyen <dinguyen@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-04 11:57:20 -07:00
David S. Miller
b4b12b0d2f Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
The phylink conflict was between a bug fix by Russell King
to make sure we have a consistent PHY interface mode, and
a change in net-next to pull some code in phylink_resolve()
into the helper functions phylink_mac_link_{up,down}()

On the dp83867 side it's mostly overlapping changes, with
the 'net' side removing a condition that was supposed to
trigger for RGMII but because of how it was coded never
actually could trigger.

Signed-off-by: David S. Miller <davem@davemloft.net>
2019-05-31 10:49:43 -07:00
Linus Torvalds
2f4c533499 SPDX update for 5.2-rc3, round 1
Here is another set of reviewed patches that adds SPDX tags to different
 kernel files, based on a set of rules that are being used to parse the
 comments to try to determine that the license of the file is
 "GPL-2.0-or-later" or "GPL-2.0-only".  Only the "obvious" versions of
 these matches are included here, a number of "non-obvious" variants of
 text have been found but those have been postponed for later review and
 analysis.
 
 There is also a patch in here to add the proper SPDX header to a bunch
 of Kbuild files that we have missed in the past due to new files being
 added and forgetting that Kbuild uses two different file names for
 Makefiles.  This issue was reported by the Kbuild maintainer.
 
 These patches have been out for review on the linux-spdx@vger mailing
 list, and while they were created by automatic tools, they were
 hand-verified by a bunch of different people, all whom names are on the
 patches are reviewers.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'spdx-5.2-rc3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

Pull yet more SPDX updates from Greg KH:
 "Here is another set of reviewed patches that adds SPDX tags to
  different kernel files, based on a set of rules that are being used to
  parse the comments to try to determine that the license of the file is
  "GPL-2.0-or-later" or "GPL-2.0-only". Only the "obvious" versions of
  these matches are included here, a number of "non-obvious" variants of
  text have been found but those have been postponed for later review
  and analysis.

  There is also a patch in here to add the proper SPDX header to a bunch
  of Kbuild files that we have missed in the past due to new files being
  added and forgetting that Kbuild uses two different file names for
  Makefiles. This issue was reported by the Kbuild maintainer.

  These patches have been out for review on the linux-spdx@vger mailing
  list, and while they were created by automatic tools, they were
  hand-verified by a bunch of different people, all whom names are on
  the patches are reviewers"

* tag 'spdx-5.2-rc3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (82 commits)
  treewide: Add SPDX license identifier - Kbuild
  treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 225
  treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 224
  treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 223
  treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 222
  treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 221
  treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 220
  treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 218
  treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 217
  treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 216
  treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 215
  treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 214
  treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 213
  treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 211
  treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 210
  treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 209
  treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 207
  treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 206
  treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 203
  treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 201
  ...
2019-05-31 08:34:32 -07:00
Linus Torvalds
036e343109 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Pull networking fixes from David Miller:

 1) Fix OOPS during nf_tables rule dump, from Florian Westphal.

 2) Use after free in ip_vs_in, from Yue Haibing.

 3) Fix various kTLS bugs (NULL deref during device removal resync,
    netdev notification ignoring, etc.) From Jakub Kicinski.

 4) Fix ipv6 redirects with VRF, from David Ahern.

 5) Memory leak fix in igmpv3_del_delrec(), from Eric Dumazet.

 6) Missing memory allocation failure check in ip6_ra_control(), from
    Gen Zhang. And likewise fix ip_ra_control().

 7) TX clean budget logic error in aquantia, from Igor Russkikh.

 8) SKB leak in llc_build_and_send_ui_pkt(), from Eric Dumazet.

 9) Double frees in mlx5, from Parav Pandit.

10) Fix lost MAC address in r8169 during PCI D3, from Heiner Kallweit.

11) Fix botched register access in mvpp2, from Antoine Tenart.

12) Use after free in napi_gro_frags(), from Eric Dumazet.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (89 commits)
  net: correct zerocopy refcnt with udp MSG_MORE
  ethtool: Check for vlan etype or vlan tci when parsing flow_rule
  net: don't clear sock->sk early to avoid trouble in strparser
  net-gro: fix use-after-free read in napi_gro_frags()
  net: dsa: tag_8021q: Create a stable binary format
  net: dsa: tag_8021q: Change order of rx_vid setup
  net: mvpp2: fix bad MVPP2_TXQ_SCHED_TOKEN_CNTR_REG queue value
  ipv4: tcp_input: fix stack out of bounds when parsing TCP options.
  mlxsw: spectrum: Prevent force of 56G
  mlxsw: spectrum_acl: Avoid warning after identical rules insertion
  net: dsa: mv88e6xxx: fix handling of upper half of STATS_TYPE_PORT
  r8169: fix MAC address being lost in PCI D3
  net: core: support XDP generic on stacked devices.
  netvsc: unshare skb in VF rx handler
  udp: Avoid post-GRO UDP checksum recalculation
  net: phy: dp83867: Set up RGMII TX delay
  net: phy: dp83867: do not call config_init twice
  net: phy: dp83867: increase SGMII autoneg timer duration
  net: phy: dp83867: fix speed 10 in sgmii mode
  net: phy: marvell10g: report if the PHY fails to boot firmware
  ...
2019-05-30 21:11:22 -07:00
Jose Abreu
aeb4a5e8b3 net: stmmac: selftests: Use kfree_skb() instead of kfree()
kfree_skb() shall be used instead of kfree(). Fix it.

Fixes: 091810dbde ("net: stmmac: Introduce selftests support")
Reported-by: kbuild test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Cc: Joao Pinto <jpinto@synopsys.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Cc: Alexandre Torgue <alexandre.torgue@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-05-30 12:58:54 -07:00
Jose Abreu
2d135dea53 net: stmmac: selftests: Fix sparse warning
Variable shall be __be16. Fix it.

Fixes: 091810dbde ("net: stmmac: Introduce selftests support")
Reported-by: kbuild test robot <lkp@intel.com>
Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Cc: Joao Pinto <jpinto@synopsys.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Cc: Alexandre Torgue <alexandre.torgue@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-05-30 12:58:54 -07:00
Jisheng Zhang
9737070c68 net: stmmac: Switch to devm_alloc_etherdev_mqs
Make use of devm_alloc_etherdev_mqs() to simplify the code.

Signed-off-by: Jisheng Zhang <Jisheng.Zhang@synaptics.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-05-30 11:45:41 -07:00
Thomas Gleixner
af873fcece treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 194
Based on 1 normalized pattern(s):

  license terms gnu general public license gpl version 2

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-only

has been chosen to replace the boilerplate/reference in 161 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Reviewed-by: Alexios Zavras <alexios.zavras@intel.com>
Reviewed-by: Steve Winslow <swinslow@gmail.com>
Reviewed-by: Richard Fontana <rfontana@redhat.com>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190528170027.447718015@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-30 11:29:22 -07:00
Thomas Gleixner
c942fddf87 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157
Based on 3 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

  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 [author] [kishon] [vijay] [abraham]
  [i] [kishon]@[ti] [com] 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

  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 [author] [graeme] [gregory]
  [gg]@[slimlogic] [co] [uk] [author] [kishon] [vijay] [abraham] [i]
  [kishon]@[ti] [com] [based] [on] [twl6030]_[usb] [c] [author] [hema]
  [hk] [hemahk]@[ti] [com] 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

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-or-later

has been chosen to replace the boilerplate/reference in 1105 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Reviewed-by: Richard Fontana <rfontana@redhat.com>
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190527070033.202006027@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-30 11:26:37 -07:00
Thomas Gleixner
2874c5fd28 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
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

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-or-later

has been chosen to replace the boilerplate/reference in 3029 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190527070032.746973796@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-30 11:26:32 -07:00
YueHaibing
a3e2f6ad89 net: stmmac: Fix build error without CONFIG_INET
Fix gcc build error while CONFIG_INET is not set

drivers/net/ethernet/stmicro/stmmac/stmmac_selftests.o: In function `__stmmac_test_loopback':
stmmac_selftests.c:(.text+0x8ec): undefined reference to `ip_send_check'
stmmac_selftests.c:(.text+0xacc): undefined reference to `udp4_hwcsum'

Add CONFIG_INET dependency to fix this.

Reported-by: Hulk Robot <hulkci@huawei.com>
Fixes: 091810dbde ("net: stmmac: Introduce selftests support")
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-05-29 14:18:24 -07:00
Jisheng Zhang
af64935213 net: stmmac: use dev_info() before netdev is registered
Before the netdev is registered, calling netdev_info() will emit
something as "(unnamed net device) (uninitialized)", looks confusing.

Before this patch:
[    3.155028] stmmaceth f7b60000.ethernet (unnamed net_device) (uninitialized): device MAC address 52:1a:55:18:9e:9d

After this patch:
[    3.155028] stmmaceth f7b60000.ethernet: device MAC address 52:1a:55:18:9e:9d

Signed-off-by: Jisheng Zhang <Jisheng.Zhang@synaptics.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-05-29 13:26:18 -07:00
Neil Armstrong
56aaa114f0 net: stmmac: dwmac-meson8b: update with SPDX Licence identifier
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-05-28 17:09:15 -07:00
Neil Armstrong
f87845cf0f net: stmmac: dwmac-meson: update with SPDX Licence identifier
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-05-28 17:09:15 -07:00
Thierry Reding
54ed6fd2e0 net: stmmac: Do not output error on deferred probe
If the subdriver defers probe, do not show an error message. It's
perfectly fine for this error to occur since the driver will get another
chance to probe after some time and will usually succeed after all of
the resources that it requires have been registered.

Signed-off-by: Thierry Reding <treding@nvidia.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-05-28 11:00:09 -07:00
Biao Huang
f4ca7a9260 net: stmmac: dwmac-mediatek: modify csr_clk value to fix mdio read/write fail
1. the frequency of csr clock is 66.5MHz, so the csr_clk value should
be 0 other than 5.
2. the csr_clk can be got from device tree, so remove initialization here.

Fixes: 9992f37e34 ("stmmac: dwmac-mediatek: add support for mt2712")
Signed-off-by: Biao Huang <biao.huang@mediatek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-05-25 11:02:31 -07:00
Biao Huang
5e7f7fc538 net: stmmac: fix csr_clk can't be zero issue
The specific clk_csr value can be zero, and
stmmac_clk is necessary for MDC clock which can be set dynamically.
So, change the condition from plat->clk_csr to plat->stmmac_clk to
fix clk_csr can't be zero issue.

Fixes: cd7201f477 ("stmmac: MDC clock dynamically based on the csr clock input")
Signed-off-by: Biao Huang <biao.huang@mediatek.com>
Acked-by: Alexandre TORGUE <alexandre.torgue@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-05-25 11:02:31 -07:00
Biao Huang
4523a56115 net: stmmac: update rx tail pointer register to fix rx dma hang issue.
Currently we will not update the receive descriptor tail pointer in
stmmac_rx_refill. Rx dma will think no available descriptors and stop
once received packets exceed DMA_RX_SIZE, so that the rx only test will fail.

Update the receive tail pointer in stmmac_rx_refill to add more descriptors
to the rx channel, so packets can be received continually

Fixes: 54139cf3bb ("net: stmmac: adding multiple buffers for rx")
Signed-off-by: Biao Huang <biao.huang@mediatek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-05-25 11:02:31 -07:00
Linus Torvalds
86c2f5d653 SPDX update for 5.2-rc2, round 2
Here is another set of reviewed patches that adds SPDX tags to different
 kernel files, based on a set of rules that are being used to parse the
 comments to try to determine that the license of the file is
 "GPL-2.0-or-later".  Only the "obvious" versions of these matches are
 included here, a number of "non-obvious" variants of text have been
 found but those have been postponed for later review and analysis.
 
 These patches have been out for review on the linux-spdx@vger mailing
 list, and while they were created by automatic tools, they were
 hand-verified by a bunch of different people, all whom names are on the
 patches are reviewers.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'spdx-5.2-rc2-2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

Pule more SPDX updates from Greg KH:
 "Here is another set of reviewed patches that adds SPDX tags to
  different kernel files, based on a set of rules that are being used to
  parse the comments to try to determine that the license of the file is
  "GPL-2.0-or-later".

  Only the "obvious" versions of these matches are included here, a
  number of "non-obvious" variants of text have been found but those
  have been postponed for later review and analysis.

  These patches have been out for review on the linux-spdx@vger mailing
  list, and while they were created by automatic tools, they were
  hand-verified by a bunch of different people, all whom names are on
  the patches are reviewers"

* tag 'spdx-5.2-rc2-2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (85 commits)
  treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 125
  treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 123
  treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 122
  treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 121
  treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 120
  treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 119
  treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 118
  treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 116
  treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 114
  treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 113
  treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 112
  treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 111
  treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 110
  treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 106
  treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 105
  treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 104
  treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 103
  treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 102
  treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 101
  treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 98
  ...
2019-05-24 14:31:58 -07:00
Jose Abreu
a976ca79e2 net: stmmac: Prevent missing interrupts when running NAPI
When we trigger NAPI we are disabling interrupts but in case we receive
or send a packet in the meantime, as interrupts are disabled, we will
miss this event.

Trigger both NAPI instances (RX and TX) when at least one event happens
so that we don't miss any interrupts.

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Cc: Joao Pinto <jpinto@synopsys.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Cc: Alexandre Torgue <alexandre.torgue@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-05-24 13:45:57 -07:00
Jose Abreu
0620ec6c62 net: stmmac: dwmac4/5: Clear unused address entries
In case we don't use a given address entry we need to clear it because
it could contain previous values that are no longer valid.

Found out while running stmmac selftests.

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Cc: Joao Pinto <jpinto@synopsys.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Cc: Alexandre Torgue <alexandre.torgue@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-05-24 13:45:57 -07:00
Jose Abreu
eaabcd9e4e net: stmmac: dwxgmac2: Do not disable whole RX in dma_stop_rx()
We don't need to disable the whole RX when dma_stop_rx() is called
because there may be the need of just disabling 1 DMA channel.

This is also needed for stmmac Flow Control selftest.

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Cc: Joao Pinto <jpinto@synopsys.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Cc: Alexandre Torgue <alexandre.torgue@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-05-24 13:45:56 -07:00
Jose Abreu
a8b91b30d1 net: stmmac: dwmac4/5: Do not disable whole RX in dma_stop_rx()
We don't need to disable the whole RX when dma_stop_rx() is called
because there may be the need of just disabling 1 DMA channel.

This is also needed for stmmac Flow Control selftest.

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Cc: Joao Pinto <jpinto@synopsys.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Cc: Alexandre Torgue <alexandre.torgue@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-05-24 13:45:56 -07:00
Jose Abreu
f9c5f7d783 net: stmmac: dwmac4/5: Fix Hash Filter
In order for hash filter to work we need to set the HPF bit.

Fout out while running stmmac selftests

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Cc: Joao Pinto <jpinto@synopsys.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Cc: Alexandre Torgue <alexandre.torgue@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-05-24 13:45:56 -07:00
Jose Abreu
9463c44559 net: stmmac: dwmac1000: Clear unused address entries
In case we don't use a given address entry we need to clear it because
it could contain previous values that are no longer valid.

Found out while running stmmac selftests.

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Cc: Joao Pinto <jpinto@synopsys.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Cc: Alexandre Torgue <alexandre.torgue@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-05-24 13:45:56 -07:00
Jose Abreu
0926142619 net: stmmac: dwmac1000: Fix Hash Filter
In order for hash filter to work we need to set the HPF bit.

Found out while running stmmac selftests.

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Cc: Joao Pinto <jpinto@synopsys.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Cc: Alexandre Torgue <alexandre.torgue@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-05-24 13:45:56 -07:00
Jose Abreu
091810dbde net: stmmac: Introduce selftests support
We add support for selftests on stmmac driver with 9 basic sanity checks
for now:
	- MAC Loopback
	- PHY Loopback
	- MMC Counters
	- EEE
	- Hash Filter Multicast
	- Perfect Filter Unicast
	- Multicast Filter All
	- Unicast Filter All
	- Flow Control

This allows for fast tracking of regressions in the driver and helps in
spotting mis-configuration of HW.

Changes from v1:
	- Fix build error as module (David)
	- Check for link status before running tests
Changes from RFC v2:
	- Return proper error code in stmmac_test_mmc (Corentin)
	- Use only 1 MMC counter in stmmac_test_mmc (Alexandre)
Changes from RFC v1:
	- Change test_loopback to test_mac_loopback (Andrew)
	- Change timeout to retries (Andrew)
	- Add MC/UC filter tests (Andrew)
	- Only test in offline mode (Andrew)
	- Do not call phy_loopback twice (Alexandre)

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Cc: Joao Pinto <jpinto@synopsys.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Cc: Alexandre Torgue <alexandre.torgue@st.com>
Cc: Corentin Labbe <clabbe.montjoie@gmail.com>
Cc: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-05-24 13:45:56 -07:00
Jose Abreu
8c5f48d99d net: stmmac: dwxgmac2: Also pass control frames while in promisc mode
In order for the selftests to run the Flow Control selftest we need to
also pass pause frames to the stack.

Pass this type of frames while in promiscuous mode.

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Cc: Joao Pinto <jpinto@synopsys.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Cc: Alexandre Torgue <alexandre.torgue@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-05-24 13:45:56 -07:00
Jose Abreu
2b783e613d net: stmmac: dwmac4/5: Also pass control frames while in promisc mode
In order for the selftests to run the Flow Control selftest we need to
also pass pause frames to the stack.

Pass this type of frames while in promiscuous mode.

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Cc: Joao Pinto <jpinto@synopsys.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Cc: Alexandre Torgue <alexandre.torgue@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-05-24 13:45:56 -07:00
Jose Abreu
52ef6d9240 net: stmmac: dwmac1000: Also pass control frames while in promisc mode
In order for the selftests to run the Flow Control selftest we need to
also pass pause frames to the stack.

Pass this type of frames while in promiscuous mode.

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Cc: Joao Pinto <jpinto@synopsys.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Cc: Alexandre Torgue <alexandre.torgue@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-05-24 13:45:56 -07:00
Jose Abreu
3b1dd2c500 net: stmmac: Switch MMC functions to HWIF callbacks
XGMAC has a different MMC module. Lets use HWIF callbacks for MMC module
so that correct callbacks are automatically selected.

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Cc: Joao Pinto <jpinto@synopsys.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Cc: Alexandre Torgue <alexandre.torgue@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-05-24 13:45:56 -07:00
Corentin Labbe
8edb12713e net: ethernet: stmmac: dwmac-sun8i: Enable control of loopback
This patch enable use of set_mac_loopback in dwmac-sun8i

Signed-off-by: Corentin Labbe <clabbe@baylibre.com>
Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Cc: Joao Pinto <jpinto@synopsys.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Cc: Alexandre Torgue <alexandre.torgue@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-05-24 13:45:56 -07:00
Jose Abreu
84c8df1649 net: stmmac: dwxgmac2: Add MAC loopback support
In preparation for the addition of stmmac selftests we implement the MAC
loopback callback in dwxgmac2 core.

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Cc: Joao Pinto <jpinto@synopsys.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Cc: Alexandre Torgue <alexandre.torgue@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-05-24 13:45:56 -07:00
Jose Abreu
4ce84f4da7 net: stmmac: dwmac4/5: Add MAC loopback support
In preparation for the addition of stmmac selftests we implement the MAC
loopback callback in dwmac4/5 cores.

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Cc: Joao Pinto <jpinto@synopsys.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Cc: Alexandre Torgue <alexandre.torgue@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-05-24 13:45:56 -07:00
Jose Abreu
cbc1951521 net: stmmac: dwmac1000: Add MAC loopback support
In preparation for the addition of stmmac selftests we implement the MAC
loopback callback in dwmac1000 core.

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Cc: Joao Pinto <jpinto@synopsys.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Cc: Alexandre Torgue <alexandre.torgue@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-05-24 13:45:56 -07:00
Jose Abreu
0a05a7a315 net: stmmac: dwmac100: Add MAC loopback support
In preparation for the addition of stmmac selftests we implement the MAC
loopback callback in dwmac100 core.

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Cc: Joao Pinto <jpinto@synopsys.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Cc: Alexandre Torgue <alexandre.torgue@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-05-24 13:45:56 -07:00
Jose Abreu
48435bc3b3 net: stmmac: Add MAC loopback callback to HWIF
In preparation for the addition of selftests support for stmmac we add a
new callback to HWIF that can be used to set the controller in loopback
mode.

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Cc: Joao Pinto <jpinto@synopsys.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Cc: Alexandre Torgue <alexandre.torgue@st.com>
Cc: Corentin Labbe <clabbe.montjoie@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-05-24 13:45:56 -07:00
Thomas Gleixner
10145f7cb3 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 121
Based on 1 normalized pattern(s):

  licensed under the gplv2 or at your option any later version

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-or-later

has been chosen to replace the boilerplate/reference in 1 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Reviewed-by: Richard Fontana <rfontana@redhat.com>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190523091651.323272658@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-24 17:39:02 +02:00
Jisheng Zhang
49ce881c0d net: stmmac: fix reset gpio free missing
Commit 984203ceff ("net: stmmac: mdio: remove reset gpio free")
removed the reset gpio free, when the driver is unbinded or rmmod,
we miss the gpio free.

This patch uses managed API to request the reset gpio, so that the
gpio could be freed properly.

Fixes: 984203ceff ("net: stmmac: mdio: remove reset gpio free")
Signed-off-by: Jisheng Zhang <Jisheng.Zhang@synaptics.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-05-22 17:27:15 -07:00
Linus Torvalds
f75b6f303b Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Pull networking fixes from David Miller:

 1) Clear up some recent tipc regressions because of registration
    ordering. Fix from Junwei Hu.

 2) tipc's TLV_SET() can read past the end of the supplied buffer during
    the copy. From Chris Packham.

 3) ptp example program doesn't match the kernel, from Richard Cochran.

 4) Outgoing message type fix in qrtr, from Bjorn Andersson.

 5) Flow control regression in stmmac, from Tan Tee Min.

 6) Fix inband autonegotiation in phylink, from Russell King.

 7) Fix sk_bound_dev_if handling in rawv6_bind(), from Mike Manning.

 8) Fix usbnet crash after disconnect, from Kloetzke Jan.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (21 commits)
  usbnet: fix kernel crash after disconnect
  selftests: fib_rule_tests: use pre-defined DEV_ADDR
  net-next: net: Fix typos in ip-sysctl.txt
  ipv6: Consider sk_bound_dev_if when binding a raw socket to an address
  net: phylink: ensure inband AN works correctly
  usbnet: ipheth: fix racing condition
  net: stmmac: dma channel control register need to be init first
  net: stmmac: fix ethtool flow control not able to get/set
  net: qrtr: Fix message type of outgoing packets
  networking: : fix typos in code comments
  ptp: Fix example program to match kernel.
  fddi: fix typos in code comments
  selftests: fib_rule_tests: enable forwarding before ipv4 from/iif test
  selftests: fib_rule_tests: fix local IPv4 address typo
  tipc: Avoid copying bytes beyond the supplied data
  2/2] net: xilinx_emaclite: use readx_poll_timeout() in mdio wait function
  1/2] net: axienet: use readx_poll_timeout() in mdio wait function
  vlan: Mark expected switch fall-through
  macvlan: Mark expected switch fall-through
  net/mlx4_en: ethtool, Remove unsupported SFP EEPROM high pages query
  ...
2019-05-22 08:28:16 -07:00
Thomas Gleixner
ec8f24b7fa treewide: Add SPDX license identifier - Makefile/Kconfig
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 <tglx@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-21 10:50:46 +02:00
Weifeng Voon
af8f3fb7fb net: stmmac: dma channel control register need to be init first
stmmac_init_chan() needs to be called before stmmac_init_rx_chan() and
stmmac_init_tx_chan(). This is because if PBLx8 is to be used,
"DMA_CH(#i)_Control.PBLx8" needs to be set before programming
"DMA_CH(#i)_TX_Control.TxPBL" and "DMA_CH(#i)_RX_Control.RxPBL".

Fixes: 47f2a9ce52 ("net: stmmac: dma channel init prepared for multiple queues")
Reviewed-by: Zhang, Baoli <baoli.zhang@intel.com>
Signed-off-by: Ong Boon Leong <boon.leong.ong@intel.com>
Signed-off-by: Weifeng Voon <weifeng.voon@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-05-20 20:55:39 -04:00
Tan, Tee Min
46dfc3a54b net: stmmac: fix ethtool flow control not able to get/set
Currently ethtool was not able to get/set the flow control due to a
missing "!". It will always return -EOPNOTSUPP even the device is
flow control supported.

This patch fixes the condition check for ethtool flow control get/set
function for ETHTOOL_LINK_MODE_Asym_Pause_BIT.

Fixes: 3c1bcc8614 (“net: ethernet: Convert phydev advertize and supported from u32 to link mode”)
Signed-off-by: Tan, Tee Min <tee.min.tan@intel.com>
Reviewed-by: Ong Boon Leong <boon.leong.ong@intel.com>
Signed-off-by: Voon, Weifeng <weifeng.voon@intel.com@intel.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-05-20 20:54:17 -04:00
Linus Torvalds
ebcf5bb282 - Core Frameworks
- Document (kerneldoc) core mfd_add_devices() API
 
  - New Drivers
    - Add support for Altera SOCFPGA System Manager
    - Add support for Maxim MAX77650/77651 PMIC
    - Add support for Maxim MAX77663 PMIC
    - Add support for ST Multi-Function eXpander (STMFX)
 
  - New Device Support
    - Add support for LEDs to Intel Cherry Trail Whiskey Cove PMIC
    - Add support for RTC to SAMSUNG Electronics S2MPA01 PMIC
    - Add support for SAM9X60 to Atmel HLCDC (High-end LCD Controller)
    - Add support for USB X-Powers AXP 8xx PMICs
    - Add support for Integrated Sensor Hub (ISH) to ChromeOS EC
    - Add support for USB PD Logger to ChromeOS EC
    - Add support for AXP223 to X-Powers AXP series PMICs
    - Add support for Power Supply to X-Powers AXP 803 PMICs
    - Add support for Comet Lake to Intel Low Power Subsystem
    - Add support for Fingerprint MCU to ChromeOS EC
    - Add support for Touchpad MCU to ChromeOS EC
    - Move TI LM3532 support to LED
 
  - New Functionality
    - Add/extend DT support; max77650, max77620
    - Add support for power-off; max77620
    - Add support for clocking; syscon
    - Add support for host sleep event; cros_ec
 
  - Fix-ups
    - Trivial; Formatting, spelling, etc; Kconfig, sec-core, ab8500-debugfs
    - Remove unused functionality; rk808, da9063-*
    - SPDX conversion; da9063-*, atmel-*,
    - Adapt/add new register definitions; cs47l35-tables, cs47l90-tables, imx6q-iomuxc-gpr
    - Fix-up DT bindings; ti-lmu, cirrus,lochnagar
    - Simply obtaining driver data; ssbi, t7l66xb, tc6387xb, tc6393xb
 
  - Bug Fixes
    - Fix incorrect defined values; max77620, da9063
    - Fix device initialisation; twl6040
    - Reset device on init; intel-lpss
    - Fix build warnings when !OF; sun6i-prcm
    - Register OF match tables; tps65912-spi
    - Fix DMI matching; intel_quark_i2c_gpio
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Merge tag 'mfd-next-5.2' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd

Pull MFD updates from Lee Jones:
 "Core Framework:
   - Document (kerneldoc) core mfd_add_devices() API

  New Drivers:
   - Altera SOCFPGA System Manager
   - Maxim MAX77650/77651 PMIC
   - Maxim MAX77663 PMIC
   - ST Multi-Function eXpander (STMFX)

  New Device Support:
   - LEDs support in Intel Cherry Trail Whiskey Cove PMIC
   - RTC support in SAMSUNG Electronics S2MPA01 PMIC
   - SAM9X60 support in Atmel HLCDC (High-end LCD Controller)
   - USB X-Powers AXP 8xx PMICs
   - Integrated Sensor Hub (ISH) in ChromeOS EC
   - USB PD Logger in ChromeOS EC
   - AXP223 in X-Powers AXP series PMICs
   - Power Supply in X-Powers AXP 803 PMICs
   - Comet Lake in Intel Low Power Subsystem
   - Fingerprint MCU in ChromeOS EC
   - Touchpad MCU in ChromeOS EC
   - Move TI LM3532 support to LED

  New Functionality:
   - max77650, max77620: Add/extend DT support
   - max77620 power-off
   - syscon clocking
   - croc_ec host sleep event

  Fix-ups:
   - Trivial; Formatting, spelling, etc; Kconfig, sec-core, ab8500-debugfs
   - Remove unused functionality; rk808, da9063-*
   - SPDX conversion; da9063-*, atmel-*,
   - Adapt/add new register definitions; cs47l35-tables, cs47l90-tables, imx6q-iomuxc-gpr
   - Fix-up DT bindings; ti-lmu, cirrus,lochnagar
   - Simply obtaining driver data; ssbi, t7l66xb, tc6387xb, tc6393xb

  Bug Fixes:
   - Fix incorrect defined values; max77620, da9063
   - Fix device initialisation; twl6040
   - Reset device on init; intel-lpss
   - Fix build warnings when !OF; sun6i-prcm
   - Register OF match tables; tps65912-spi
   - Fix DMI matching; intel_quark_i2c_gpio"

* tag 'mfd-next-5.2' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (65 commits)
  mfd: Use dev_get_drvdata() directly
  mfd: cros_ec: Instantiate properly CrOS Touchpad MCU device
  mfd: cros_ec: Instantiate properly CrOS FP MCU device
  mfd: cros_ec: Update the EC feature codes
  mfd: intel-lpss: Add Intel Comet Lake PCI IDs
  mfd: lochnagar: Add links to binding docs for sound and hwmon
  mfd: ab8500-debugfs: Fix a typo ("deubgfs")
  mfd: imx6sx: Add MQS register definition for iomuxc gpr
  dt-bindings: mfd: LMU: Fix lm3632 dt binding example
  mfd: intel_quark_i2c_gpio: Adjust IOT2000 matching
  mfd: da9063: Fix OTP control register names to match datasheets for DA9063/63L
  mfd: tps65912-spi: Add missing of table registration
  mfd: axp20x: Add USB power supply mfd cell to AXP803
  mfd: sun6i-prcm: Fix build warning for non-OF configurations
  mfd: intel-lpss: Set the device in reset state when init
  platform/chrome: Add support for v1 of host sleep event
  mfd: cros_ec: Add host_sleep_event_v1 command
  mfd: cros_ec: Instantiate the CrOS USB PD logger driver
  mfd: cs47l90: Make DAC_AEC_CONTROL_2 readable
  mfd: cs47l35: Make DAC_AEC_CONTROL_2 readable
  ...
2019-05-14 10:39:08 -07:00