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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: 091810dbded9 ("net: stmmac: Introduce selftests support")
Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The bitrev32 function returns an u32 var, not an int. Fix it.
Fixes: 0efedbf11f07 ("net: stmmac: xgmac: Fix XGMAC selftests")
Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The bitrev32 function returns an u32 var, not an int. Fix it.
Fixes: 477286b53f55 ("stmmac: add GMAC4 core support")
Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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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: a993db88d17d ("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>
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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>
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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>
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disable ptp_ref_clk in suspend flow, and enable it in resume flow.
Fixes: f573c0b9c4e0 ("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>
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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>
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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: 9a8a02c9d46d ("net: stmmac: Add Flexible PPS support")
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
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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: 92ba6888510c ("stmmac: add the support for PTP hw clock driver")
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
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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: 091810dbded9 ("net: stmmac: Introduce selftests support")
Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Some setups may not have all Unicast addresses filters available. Check
the number of available filters before trying to setup it.
Fixes: 477286b53f55 ("stmmac: add GMAC4 core support")
Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We need to check if the number of available Hash Filters is enough to
run the test, otherwise we will get false failures.
Fixes: 091810dbded9 ("net: stmmac: Introduce selftests support")
Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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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: 19e13cb27b99 ("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>
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Commit b6b6cc9acd7b, 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: b6b6cc9acd7b ("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>
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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: 76067459c686 ("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>
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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: 2142754f8b9c ("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>
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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: 74371272f97f ("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>
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The case for PTPV2_EVENT requires event packets to be captured so add
this setting to the list of enabled captures.
Fixes: 891434b18ec0 ("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>
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We need to always update the MAC Hash Filter so that previous entries
are invalidated.
Found out while running stmmac selftests.
Fixes: b8ef7020d6e5 ("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>
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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: 427849e8c37f ("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>
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Since commit b8ef7020d6e5 ("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>
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Some setups may not have all Unicast addresses filters available. Let's
check this before trying to setup filters.
Fixes: 0efedbf11f07 ("net: stmmac: xgmac: Fix XGMAC selftests")
Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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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: b1c17215d718 ("stmmac: add ipq806x glue layer")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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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: 566e82516253 ("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>
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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: 2af6106ae949 ("net: stmmac: Introducing support for Page Pool")
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The Flow Control selftest is also available with ASYM Pause. Lets add
this check to the test and fix eventual false positive failures.
Fixes: 091810dbded9 ("net: stmmac: Introduce selftests support")
Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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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: 4647e021193d ("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>
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Pull in bug fixes from 'net' tree for the merge window.
Signed-off-by: David S. Miller <davem@davemloft.net>
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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>
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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: 74371272f97f ("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>
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Minor overlapping changes in the btusb and ixgbe drivers.
Signed-off-by: David S. Miller <davem@davemloft.net>
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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>
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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>
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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>
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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>
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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>
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'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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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Jose Abreu
yuqi jin
Mans Rullgard
Ben Dooks (Codethink)
Biao Huang
Antonio Borneo
Thierry Reding
Dan Carpenter
Arnd Bergmann
David S. Miller
Alexandru Ardelean
Andy Shevchenko