The function only initializes the XFRM CB in the skb.
After previous patch xfrm4_extract_header is only called from
net/xfrm/xfrm_{input,output}.c.
Because of IPV6=m linker errors the ipv6 equivalent
(xfrm6_extract_header) was already placed in xfrm_inout.h because
we can't call functions residing in a module from the core.
So do the same for the ipv4 helper and place it next to the ipv6 one.
xfrm: state: remove extract_input indirection from xfrm_state_afinfo
In order to keep CONFIG_IPV6=m working, xfrm6_extract_header needs to be
duplicated. It will be removed again in a followup change when the
remaining caller is moved to net/xfrm as well.
This extends espintcp to support IPv6, building on the existing code
and the new UDPv6 encapsulation support. Most of the code is either
reused directly (stream parser, ULP) or very similar to the IPv4
variant (net/ipv6/esp6.c changes).
The separation of config options for IPv4 and IPv6 espintcp requires a
bit of Kconfig gymnastics to enable the core code.
This patch adds support for encapsulation of ESP over UDPv6. The code
is very similar to the IPv4 encapsulation implementation, and allows
to easily add espintcp on IPv6 as a follow-up.
Colin Ian King [Mon, 20 Apr 2020 21:51:49 +0000 (22:51 +0100)]
net: ipv4: remove redundant assignment to variable rc
The variable rc is being assigned with a value that is never read
and it is being updated later with a new value. The initialization is
redundant and can be removed.
Addresses-Coverity: ("Unused value") Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: David S. Miller <davem@davemloft.net>
====================
net: bcmgenet: Clean up after ACPI enablement
ACPI enablement series had missed some clean ups that would have been done
at the same time. Here are these bits.
In v2:
- return dev_dbg() calls to avoid spamming logs when probe is deferred (Florian)
- added Ack (Florian)
- combined two, earlier sent, series together
- added couple more patches
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Andy Shevchenko [Mon, 20 Apr 2020 21:51:21 +0000 (00:51 +0300)]
net: bcmgenet: Drop too many parentheses in bcmgenet_probe()
No need to have parentheses around plain pointer variable or
negation operator. Drop them for good.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Acked-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Andy Shevchenko [Mon, 20 Apr 2020 21:51:19 +0000 (00:51 +0300)]
net: bcmgenet: Use devm_clk_get_optional() to get the clocks
Conversion to devm_clk_get_optional() makes it explicit that clocks are
optional. This change allows to handle deferred probe in case clocks are
defined, but not yet probed. Due to above changes bail out in error case.
While here, check potential error when enable main clock.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Acked-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Andy Shevchenko [Mon, 20 Apr 2020 21:51:18 +0000 (00:51 +0300)]
net: bcmgenet: Drop useless OF code
There is nothing which needs a set of OF headers, followed by redundant
OF node ID check. Drop them for good.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Acked-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Andy Shevchenko [Mon, 20 Apr 2020 21:51:17 +0000 (00:51 +0300)]
net: bcmgenet: Drop ACPI_PTR() to avoid compiler warning
When compiled with CONFIG_ACPI=n, ACPI_PTR() will be no-op, and thus
genet_acpi_match table defined, but not used. Compiler is not happy about
such data. Drop ACPI_PTR() for good.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Acked-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
David S. Miller [Mon, 20 Apr 2020 23:11:31 +0000 (16:11 -0700)]
Merge tag 'mlx5-updates-2020-04-20' of git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux
Saeed Mahameed says:
====================
mlx5-updates-2020-04-20
This series includes misc updates and clean ups to mlx5 driver:
1) improve some comments from Hu Haowen.
2) Handles errors of netif_set_real_num_{tx,rx}_queues, from Maxim
3) IPsec and FPGA related code cleanup to prepare for ASIC devices
IPsec offloads, from Raed
4) Allow partial mask for tunnel options, from Roi.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
r8169: change wmb to smb_wmb in rtl8169_start_xmit
A barrier is needed here to ensure that rtl_tx sees the descriptor
changes (DescOwn set) before the updated tp->cur_tx value. Else it may
wrongly assume that the transfer has been finished already. For this
purpose smp_wmb() is sufficient.
No separate barrier is needed for ordering the descriptor changes
with the MMIO doorbell write. The needed barrier is included in
the non-relaxed writel() used by rtl8169_doorbell().
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
net/mlx5e: Handle errors from netif_set_real_num_{tx,rx}_queues
netif_set_real_num_tx_queues and netif_set_real_num_rx_queues may fail.
Now that mlx5e supports handling errors in the preactivate hook, this
commit leverages that functionality to handle errors from those
functions and roll back all changes on failure.
Tariq Toukan [Tue, 18 Feb 2020 10:27:25 +0000 (12:27 +0200)]
net/mlx5e: Set of completion request bit should not clear other adjacent bits
In notify HW (ring doorbell) flow, we set the bit to request a completion
on the TX descriptor.
When doing so, we should not unset other bits in the same byte.
Currently, this does not fix a real issue, as we still don't have a flow
where both MLX5_WQE_CTRL_CQ_UPDATE and any adjacent bit are set together.
Fixes: 67aa526836df ("net/mlx5e: Move helper functions to a new txrx datapath header") Fixes: bf310cddbe42 ("net/mlx5e: Generalize tx helper functions for different SQ types") Signed-off-by: Tariq Toukan <tariqt@mellanox.com> Reviewed-by: Aya Levin <ayal@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Raed Salem [Wed, 23 Oct 2019 14:04:13 +0000 (17:04 +0300)]
net/mlx5: IPsec, Refactor SA handle creation and destruction
Currently the SA handle is created and managed as part of the common
code for different IPsec supporting HW, this handle is passed to HW
to be used on Rx to identify the SA handle that was used to
return the xfrm state to stack.
The above implementation pose a limitation on managing this handle.
Refactor by moving management of this field to the specific HW code.
Downstream patches will introduce the Connect-X support for IPsec that
will use this handle differently than current implementation.
Signed-off-by: Raed Salem <raeds@mellanox.com> Reviewed-by: Boris Pismenny <borisp@mellanox.com> Reviewed-by: Huy Nguyen <huyn@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Raed Salem [Wed, 8 Jan 2020 09:48:37 +0000 (11:48 +0200)]
net/mlx5e: IPSec, Expose IPsec HW stat only for supporting HW
The current HW counters are supported only by Innova, split the ipsec
stats group into two groups, one for HW and one for SW. And expose
the HW counters to ethtool only if Innova HW is used for IPsec offload.
Raed Salem [Tue, 10 Dec 2019 11:20:55 +0000 (13:20 +0200)]
net/mlx5: Refactor mlx5_accel_esp_create_hw_context parameter list
Currently the FPGA IPsec is the only hw implementation of the IPsec
acceleration api, and so the mlx5_accel_esp_create_hw_context was
wrongly made to suit this HW api, among other in its parameter list
and some of its parameter endianness.
This implementation might not be suitable for different HW.
Refactor by group and pass all function arguments of
mlx5_accel_esp_create_hw_context in common mlx5_accel_esp_xfrm_attrs
struct field of mlx5_accel_esp_xfrm struct and correct the endianness
according to the HW being called.
Signed-off-by: Raed Salem <raeds@mellanox.com> Reviewed-by: Boris Pismenny <borisp@mellanox.com> Reviewed-by: Huy Nguyen <huyn@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Raed Salem [Mon, 20 Jan 2020 13:03:00 +0000 (15:03 +0200)]
net/mlx5e: en_accel, Add missing net/geneve.h include
The cited commit relies on include <net/geneve.h> being included
implicitly prior to include "en_accel/en_accel.h".
This mandates that all files that needs to include en_accel.h
to redantantly include net/geneve.h.
Include net/geneve.h explicitly at "en_accel/en_accel.h" to avoid
undesired constrain as above.
Jason Yan [Mon, 20 Apr 2020 04:27:20 +0000 (12:27 +0800)]
qed: use true,false for bool variables
Fix the following coccicheck warning:
drivers/net/ethernet/qlogic/qed/qed_dev.c:4395:2-34: WARNING:
Assignment of 0/1 to bool variable
drivers/net/ethernet/qlogic/qed/qed_dev.c:1975:2-34: WARNING:
Assignment of 0/1 to bool variable
Signed-off-by: Jason Yan <yanaijie@huawei.com> Acked-by: Michal Kalderon <michal.kalderon@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
David S. Miller [Mon, 20 Apr 2020 19:49:18 +0000 (12:49 -0700)]
Merge branch 'hns3-next'
Huazhong Tan says:
====================
net: hns3: misc updates for -next
This patchset includes some misc updates for the HNS3 ethernet driver.
[patch 1&2] separates two bloated function.
[patch 3-5] removes some redundant code.
[patch 6-7] cleans up some coding style issues.
[patch 8-10] adds some debugging information.
Change log:
V1->V2: removes an unnecessary initialization in [patch 1] which
suggested by David Miller.
modified some print format issue and commit log in [patch 8].
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Yufeng Mo [Mon, 20 Apr 2020 02:17:35 +0000 (10:17 +0800)]
net: hns3: add trace event support for PF/VF mailbox
This patch adds trace event support for PF/VF mailbox.
Signed-off-by: Yufeng Mo <moyufeng@huawei.com> Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Yufeng Mo [Mon, 20 Apr 2020 02:17:34 +0000 (10:17 +0800)]
net: hns3: add support for dumping MAC reg in debugfs
This patch adds support for dumping MAC reg in debugfs,
which will be helpful for debugging.
Signed-off-by: Yufeng Mo <moyufeng@huawei.com> Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
net: hns3: add debug information for flow table when failed
Adds some debug information for failures of processing flow table,
removes the redundant printing when hclge_fd_check_spec() returns
error, and modifies the printing level for FD not enable error.
Signed-off-by: Guojia Liao <liaoguojia@huawei.com> Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
net: hns3: modify some unsuitable type declaration
In hclge_set_fd_key_config(), parameter 'stage' should be
as enum HCLGE_FD_STAGE, and in hclge_config_key(), 'tuple_size'
should be type u8, also simplify unsigned int with u32 for 'i'.
Signed-off-by: Guojia Liao <liaoguojia@huawei.com> Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
net: hns3: remove two unused structures in hclge_cmd.h
struct hclge_mac_vlan_remove_cmd and hclge_mac_vlan_add_cmd are unused.
So removes them from hclge_cmd.h.
Signed-off-by: Guojia Liao <liaoguojia@huawei.com> Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
net: hns3: remove useless proto_support field in struct hclge_fd_cfg
proto_support field in struct hclge_fd_cfg shows what protocols
in flow direct table are supported now. It is unnecessary since
checking which one is unsupported will be more efficient,
so this patch removes it.
Signed-off-by: Guojia Liao <liaoguojia@huawei.com> Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
hclge_get_fd_rule_info() is bloated, this patch separates
it into several standalone functions for readability and
maintainability.
Signed-off-by: Jian Shen <shenjian15@huawei.com> Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
For readability and maintainability, this patch separates the
handling part of each flow type in hclge_fd_check_ether_tuple()
into standalone functions.
Signed-off-by: Jian Shen <shenjian15@huawei.com> Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
David S. Miller [Mon, 20 Apr 2020 19:37:08 +0000 (12:37 -0700)]
Merge branch 'FEC-MDIO-speedups'
Andrew Lunn says:
====================
FEC MDIO speedups
This patchset gives a number of speedups for MDIO with the FEC.
Replacing interrupt driven with polled IO brings a big speedup due to
the overheads of interrupts compared to the short time interval.
Clocking the bus faster, when the MDIO targets supports it, can double
the transfer rate. And suppressing the preamble, if devices support
it, makes each transaction faster.
By default the MDIO clock remains 2.5MHz and preables are used. But
these can now be controlled from the device tree. Since these are
generic properties applicable to more than just FEC, these have been
added to the generic MDIO binding documentation.
v2:
readl_poll_timeout()
Add patches to set bus frequency and preamble disable
Andrew Lunn [Sun, 19 Apr 2020 22:04:02 +0000 (00:04 +0200)]
net: ethernet: fec: Allow the MDIO preamble to be disabled
An MDIO transaction normally starts with 32 1s as a preamble. However
not all devices requires such a preamble. Add a device tree property
which allows the preamble to be suppressed. This will half the size of
the MDIO transaction, allowing faster transactions. But it should only
be used when all devices on the bus support suppressed preamble.
Suggested-by: Chris Healy <Chris.Healy@zii.aero> Signed-off-by: Andrew Lunn <andrew@lunn.ch> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Andrew Lunn [Sun, 19 Apr 2020 22:04:01 +0000 (00:04 +0200)]
net: ethernet: fec: Allow configuration of MDIO bus speed
MDIO busses typically operate at 2.5MHz. However many devices can
operate at faster speeds. This then allows more MDIO transactions per
second, useful for Ethernet switch statistics, or Ethernet PHY TDR
data. Allow the bus speed to be configured, using the standard
"clock-frequency" property, which i2c busses use to indicate the bus
speed. Before using this property, ensure all devices on the bus do
actually support the requested clock speed.
Suggested-by: Chris Healy <Chris.Healy@zii.aero> Signed-off-by: Andrew Lunn <andrew@lunn.ch> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Andrew Lunn [Sun, 19 Apr 2020 22:04:00 +0000 (00:04 +0200)]
net: ethernet: fec: Replace interrupt driven MDIO with polled IO
Measurements of the MDIO bus have shown that driving the MDIO bus
using interrupts is slow. Back to back MDIO transactions take about
90us, with 25us spent performing the transaction, and the remainder of
the time the bus is idle.
Replacing the completion interrupt with polled IO results in back to
back transactions of 40us. The polling loop waiting for the hardware
to complete the transaction takes around 28us. Which suggests
interrupt handling has an overhead of 50us, and polled IO nearly
halves this overhead, and doubles the MDIO performance.
Suggested-by: Chris Heally <cphealy@gmail.com> Signed-off-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
Inline rtl8169_make_unusable_by_asic() and simplify it:
- Address field doesn't need to be poisoned because descriptor is
owned by CPU now
- desc->opts1 is set by rtl8169_mark_to_asic() and rtl8169_rx_fill(),
therefore we don't have to preserve any field parts.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
David S. Miller [Mon, 20 Apr 2020 19:25:31 +0000 (12:25 -0700)]
Merge branch '1GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/next-queue
Jeff Kirsher says:
====================
1GbE Intel Wired LAN Driver Updates 2020-04-19
This series contains updates to e1000e and igc only.
Sasha adds new device IDs supported by the igc driver.
Vitaly fixes the S0ix entry and exit flows in e1000e for TGP and newer
MAC types when a cable is connected.
Andre has the remaining changes in the series, starting with cleanup of
the igc driver of duplicate code. Added a check for
IGC_MAC_STATE_SRC_ADDR flag which is unsupported for MAC filters in igc.
Cleaned up the return values for igc_add_mac_filter(), where the return
value was not being used, so update the function to only return success
or failure. Fix the return value of igc_uc_unsync() as well. Refactor
the igc driver in several functions to help reduce the convoluted logic
and simplify the driver filtering mechanisms. Improve the MAC address
checks when adding a MAC filter. Lastly, improve the log messages
related to MAC address filtering to ease debugging.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
net: qed: Remove unneeded cast from memory allocation
Remove casting the values returned by memory allocation function.
Coccinelle emits WARNING: casting value returned by memory allocation
function to struct pointer is useless.
This issue was detected by using the Coccinelle.
Signed-off-by: Aishwarya Ramakrishnan <aishwaryarj100@gmail.com> Acked-by: Michal Kalderon <michal.kalderon@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
net: ethernet: dnet: convert to devm_platform_get_and_ioremap_resource
use devm_platform_get_and_ioremap_resource() to simplify code, which
contains platform_get_resource() and devm_ioremap_resource(), it also
get the resource for use by the following code.
Signed-off-by: Dejin Zheng <zhengdejin5@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
selftests: pmtu: implement IPIP, SIT and ip6tnl PMTU discovery tests
Add PMTU discovery tests for these encapsulations:
- IPIP
- SIT, mode ip6ip
- ip6tnl, modes ip6ip6 and ipip6
Signed-off-by: Lourdes Pedrajas <lu@pplo.net> Reviewed-by: Stefano Brivio <sbrivio@redhat.com> Reviewed-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
David S. Miller [Mon, 20 Apr 2020 18:57:33 +0000 (11:57 -0700)]
Merge branch 'mlxsw-Two-small-changes'
Ido Schimmel says:
====================
mlxsw: Two small changes
Patch #1 increases the scale of supported IPv6 nexthops groups when each
group has one nexthop and all are using the same nexthop device, but
with a different gateway IP.
Patch #2 adjusts a register definition in accordance with recent
firmware changes.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
mlxsw: reg: Increase register field length to 13 bits
The Infrastructure Entry Delete Register (IEDR) is used to delete
entries stored in the KVD linear database. Currently, it is only
possible to delete entries of size up to 2048. Future firmware versions
will support deletion of entries of size up to 4096.
Increase the size of the field so that the driver will be able to
perform such deletions in the future, when required.
Signed-off-by: Ido Schimmel <idosch@mellanox.com> Reviewed-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
mlxsw: spectrum_router: Re-increase scale of IPv6 nexthop groups
As explained in commit 23387fe9ce6b ("mlxsw: spectrum_router: Increase
scale of IPv6 nexthop groups"), each nexthop group is hashed by XOR-ing
the interface indexes of all the member nexthop devices.
To avoid many different nexthop groups ending up using the same key, the
above commit started hashing the interface indexes themselves before
they are XOR-ed.
However, in cases in which there are many nexthop groups that all use
the same nexthop device and only differ in the gateway IP, we can still
end up in a situation in which all the groups are using the same key.
This eventually leads to -EBUSY error from rhashtable during insertion.
Improve the situation by also making the gateway IP part of the key.
Signed-off-by: Ido Schimmel <idosch@mellanox.com> Reported-by: Alex Veber <alexve@mellanox.com> Reviewed-by: Jiri Pirko <jiri@mellanox.com> Tested-by: Alex Veber <alexve@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
====================
net: phy: realtek: move PHY resume delay from MAC to PHY driver
Internal PHY's from RTL8168h up may not be instantly ready after calling
genphy_resume(). So far r8169 network driver adds the needed delay, but
better handle this in the PHY driver. The network driver may miss other
places where the PHY is resumed.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
r8169: remove PHY resume delay that is handled in the PHY driver now
The Realtek PHY driver takes care of adding the needed delay now,
therefore we can remove the delay here.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
net: phy: realtek: add delay to resume path of certain internal PHY's
Internal PHY's from RTL8168h up may not be instantly ready after calling
genphy_resume(). So far r8169 network driver adds the needed delay, but
better handle this in the PHY driver. The network driver may miss other
places where the PHY is resumed.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Jason Yan [Sat, 18 Apr 2020 08:42:12 +0000 (16:42 +0800)]
net: hns: use true,false for bool variables
Fix the following coccicheck warning:
drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c:700:2-8: WARNING:
Assignment of 0/1 to bool variable
drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c:702:2-8: WARNING:
Assignment of 0/1 to bool variable
Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Jason Yan <yanaijie@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/ptp/ptp_idt82p33.c:26:5: warning: symbol 'sync_tod_timeout' was not declared. Should it be static?
drivers/ptp/ptp_idt82p33.c:31:5: warning: symbol 'phase_snap_threshold' was not declared. Should it be static?
Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: YueHaibing <yuehaibing@huawei.com> Acked-by: Richard Cochran <richardcochran@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/ptp/ptp_kvm.c:25:1: warning:
symbol 'kvm_ptp_lock' was not declared. Should it be static?
Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: YueHaibing <yuehaibing@huawei.com> Acked-by: Richard Cochran <richardcochran@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Vladimir Oltean [Fri, 17 Apr 2020 19:50:52 +0000 (22:50 +0300)]
net: dsa: sja1105: enable internal pull-down for RX_DV/CRS_DV/RX_CTL and RX_ER
Some boards do not have the RX_ER MII signal connected. Normally in such
situation, those pins would be grounded, but then again, some boards
left it electrically floating.
When sending traffic to those switch ports, one can see that the
N_SOFERR statistics counter is incrementing once per each packet. The
user manual states for this counter that it may count the number of
frames "that have the MII error input being asserted prior to or
up to the SOF delimiter byte". So the switch MAC is sampling an
electrically floating signal, and preventing proper traffic reception
because of that.
As a workaround, enable the internal weak pull-downs on the input pads
for the MII control signals. This way, a floating signal would be
internally tied to ground.
The logic levels of signals which _are_ externally driven should not be
bothered by this 40-50 KOhm internal resistor. So it is not an issue to
enable the internal pull-down unconditionally, irrespective of PHY
interface type (MII, RMII, RGMII, SGMII) and of board layout.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Andre Guedes [Wed, 18 Mar 2020 23:01:02 +0000 (16:01 -0700)]
igc: Add debug messages to MAC filter code
This patch adds log messages to functions related to the MAC address
filtering code to ease debugging.
Signed-off-by: Andre Guedes <andre.guedes@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Andre Guedes [Wed, 18 Mar 2020 23:01:01 +0000 (16:01 -0700)]
igc: Refactor igc_del_mac_filter()
This patch does a code refactoring in igc_del_mac_filter() so it uses
the new helper igc_find_mac_filter() and improves the comment about the
special handling when deleting the default filter.
Signed-off-by: Andre Guedes <andre.guedes@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Andre Guedes [Wed, 18 Mar 2020 23:01:00 +0000 (16:01 -0700)]
igc: Refactor igc_mac_entry_can_be_used()
The helper igc_mac_entry_can_be_used() implementation is a bit
convoluted since it does two different things: find a not-in-use slot
in mac_table or find an in-use slot where the address and address type
match. This patch does a code refactoring and break it up into two
helper functions.
With this patch we might traverse mac_table twice in some situations,
but this is not harmful performance-wise (mac_table has only 16 entries
and adding mac filters is not hot-path), and it improves igc_add_mac_
filter() readability considerably.
Signed-off-by: Andre Guedes <andre.guedes@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Andre Guedes [Wed, 18 Mar 2020 23:00:59 +0000 (16:00 -0700)]
igc: Remove igc_*_mac_steering_filter() wrappers
With the previous two patches, igc_add_mac_steering_filter() and
igc_del_mac_steering_filter() became a pointless wrapper of
igc_add_mac_filter() and igc_del_mac_filter().
This patch removes these wrappers and update callers to call
igc_add_mac_filter() and igc_del_mac_filter() directly.
Signed-off-by: Andre Guedes <andre.guedes@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Andre Guedes [Wed, 1 Apr 2020 21:43:58 +0000 (14:43 -0700)]
igc: Remove IGC_MAC_STATE_QUEUE_STEERING
The IGC_MAC_STATE_QUEUE_STEERING bit in mac_table[i].state is
utilized to indicate that frames matching the filter are assigned to
mac_table[i].queue. This bit is not strictly necessary since we can
convey the same information as follows: queue == -1 means queue
assignment is disabled, otherwise it is enabled.
In addition to make the code simpler, this change fixes some awkward
situations where we pass a complete misleading 'queue' value such as in
igc_uc_sync().
So this patch removes IGC_MAC_STATE_QUEUE_STEERING and also takes the
opportunity to improve the igc_add_mac_filter documentation.
Signed-off-by: Andre Guedes <andre.guedes@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Andre Guedes [Wed, 1 Apr 2020 21:41:43 +0000 (14:41 -0700)]
igc: Remove 'queue' check in igc_del_mac_filter()
igc_add_mac_filter() doesn't allow us to have more than one entry with
the same address and address type in adapter->mac_table so checking if
'queue' matches in igc_del_mac_filter() isn't necessary. This patch
removes that check.
This patch also takes the opportunity to improve the igc_del_mac_filter
documentation and remove comment which is not applicable to this I225
controller.
Signed-off-by: Andre Guedes <andre.guedes@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Andre Guedes [Wed, 18 Mar 2020 23:00:56 +0000 (16:00 -0700)]
igc: Improve address check in igc_del_mac_filter()
igc_add_mac_filter() doesn't allow filters with invalid MAC address to
be added to adapter->mac_table so, in igc_del_mac_filter(), we can early
return if MAC address is invalid. No need to traverse the table.
Signed-off-by: Andre Guedes <andre.guedes@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Andre Guedes [Wed, 1 Apr 2020 21:36:45 +0000 (14:36 -0700)]
igc: Refactor igc_rar_set_index()
Current igc_rar_set_index() implementation is a bit convoluted so this
patch does some code refactoring to improve it.
The helper igc_rar_set_index() is about writing MAC filter settings into
hardware registers. Logic such as address validation belongs to
functions upper in the call chain such as igc_set_mac() and
igc_add_mac_filter(). So this patch moves the is_valid_ether_addr() call
to igc_add_mac_filter(). No need to touch igc_set_mac() since it already
checks it.
The variables 'rar_low' and 'rar_high' represent the value in registers
RAL and RAH so we rename them to 'ral' and 'rah', respectively, to
match the registers names.
To make it explicit, filter settings are passed as arguments to the
function instead of reading them from adapter->mac_table "under the
hood". Also, the function was renamed to igc_set_mac_filter_hw to make
it more clear what it does.
Finally, the patch removes some wrfl() calls and comments not needed.
Signed-off-by: Andre Guedes <andre.guedes@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Andre Guedes [Wed, 18 Mar 2020 23:00:54 +0000 (16:00 -0700)]
igc: Fix igc_uc_unsync()
In case igc_del_mac_filter() returns error, that error is masked
since the functions always return 0 (success). This patch fixes
igc_uc_unsync() so it returns whatever value igc_del_mac_filter()
returns (0 on success, negative number on error).
Signed-off-by: Andre Guedes <andre.guedes@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Andre Guedes [Wed, 18 Mar 2020 23:00:53 +0000 (16:00 -0700)]
igc: Change igc_add_mac_filter() returning value
In case of success, igc_add_mac_filter() returns the index in
adapter->mac_table where the requested filter was added. This
information, however, is not used by any caller of that function.
In fact, callers have extra code just to handle this returning
index as 0 (success).
So this patch changes the function to return 0 on success instead,
and cleans up the extra code.
Signed-off-by: Andre Guedes <andre.guedes@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Andre Guedes [Wed, 18 Mar 2020 23:00:52 +0000 (16:00 -0700)]
igc: Check unsupported flag in igc_add_mac_filter()
The IGC_MAC_STATE_SRC_ADDR flags is not supported by igc_add_mac_
filter() so this patch adds a check for it and returns -ENOTSUPP
in case it is set.
Signed-off-by: Andre Guedes <andre.guedes@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Andre Guedes [Wed, 18 Mar 2020 23:00:51 +0000 (16:00 -0700)]
igc: Remove duplicate code in MAC filtering logic
This patch does a code refactoring in the MAC address filtering logic to
get rid of some duplicate code.
IGC driver has two functions to add MAC address filters that are pretty
much the same: igc_add_mac_filter() and igc_add_mac_filter_flags(). The
only difference is that the latter allows the callee to specify the
'flags' parameter while the former has it hard coded as zero. The same
rationale applies to filter deletion counterparts.
So this patch refactors igc_add_mac_filter() and igc_del_mac_filter() so
they handle the 'flags' parameters, removes the _flags() functions, and
fixes callees accordingly.
Signed-off-by: Andre Guedes <andre.guedes@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Vitaly Lifshits [Thu, 12 Mar 2020 11:57:07 +0000 (13:57 +0200)]
e1000e: fix S0ix flows for cable connected case
Added a fix to S0ix entry and exit flows for TGP and above
MAC types, to the case when the Ethernet cable is connected
and the link is up. With that the system is able to reach
SLP_S0 when going to freeze power state.
Signed-off-by: Vitaly Lifshits <vitaly.lifshits@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
r8169: add workaround for RTL8168evl TSO hw issues
Add workaround for hw issues with TSO on RTL8168evl. This workaround is
based on information I got from Realtek, and *should* allow to safely
enable TSO on this chip version.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
r8169: preserve VLAN setting on RTL8125 in rtl_init_rxcfg
So far we set RX_VLAN_8125 unconditionally, even if
NETIF_F_HW_VLAN_CTAG_RX may not be set. Don't touch these bits,
and let only rtl8169_set_features() control them.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Vladimir Oltean [Fri, 17 Apr 2020 19:07:55 +0000 (22:07 +0300)]
enetc: permit configuration of rx-vlan-filter with ethtool
Each ENETC station interface (SI) has a VLAN filter list and a port
flag (PSIPVMR) by which it can be put in "VLAN promiscuous" mode, which
enables the reception of VLAN-tagged traffic even if it is not in the
VLAN filtering list.
Currently the handling of this setting works like this: the port starts
off as VLAN promiscuous, then it switches to enabling VLAN filtering as
soon as the first VLAN is installed in its filter via
.ndo_vlan_rx_add_vid. In practice that does not work out very well,
because more often than not, the first VLAN to be installed is out of
the control of the user: the 8021q module, if loaded, adds its rule for
802.1p (VID 0) traffic upon bringing the interface up.
What the user is currently seeing in ethtool is this:
ethtool -k eno2
rx-vlan-filter: on [fixed]
which doesn't match the intention of the code, but the practical reality
of having the 8021q module install its VID which has the side-effect of
turning on VLAN filtering in this driver. All in all, a slightly
confusing experience.
So instead of letting this driver switch the VLAN filtering state by
itself, just wire it up with the rx-vlan-filter feature from ethtool,
and let it be user-configurable just through that knob, except for one
case, see below.
In promiscuous mode, it is more intuitive that all traffic is received,
including VLAN tagged traffic. It appears that it is necessary to set
the flag in PSIPVMR for that to be the case, so VLAN promiscuous mode is
also temporarily enabled. On exit from promiscuous mode, the setting
made by ethtool is restored.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Reviewed-by: Claudiu Manoil <claudiu.manoil@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Vladimir Oltean [Fri, 17 Apr 2020 19:03:08 +0000 (22:03 +0300)]
net: mscc: ocelot: deal with problematic MAC_ETYPE VCAP IS2 rules
By default, the VCAP IS2 will produce a single match for each frame, on
the most specific classification.
Example: a ping packet (ICMP over IPv4 over Ethernet) sent from an IP
address of 10.0.0.1 and a MAC address of 96:18:82:00:04:01 will match
this rule:
tc filter add dev swp0 ingress protocol ipv4 \
flower skip_sw src_ip 10.0.0.1 action drop
but not this one:
tc filter add dev swp0 ingress \
flower skip_sw src_mac 96:18:82:00:04:01 action drop
Currently the driver does not really warn the user in any way about
this, and the behavior is rather strange anyway.
The current patch is a workaround to force matches on MAC_ETYPE keys
(DMAC and SMAC) for all packets irrespective of higher layer protocol.
The setting is made at the port level.
Of course this breaks all other non-src_mac and non-dst_mac matches, so
rule exclusivity checks have been added to the driver, in order to never
have rules of both types on any ingress port.
The bits that discard higher-level protocol information are set only
once a MAC_ETYPE rule is added to a filter block, and only for the ports
that are bound to that filter block. Then all further non-MAC_ETYPE
rules added to that filter block should be denied by the ports bound to
it.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
David S. Miller [Sat, 18 Apr 2020 22:53:00 +0000 (15:53 -0700)]
Merge branch '1GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/next-queue
Jeff Kirsher says:
====================
1GbE Intel Wired LAN Driver Updates 2020-04-17
This series contains updates to e1000e and igc only.
Sasha adds partial generic segmentation offload (GSO partial) support to
the igc driver. Also added support for translating taprio schedules
into i225 cycles in igc. Did clean up of dead code or unused defines in
the igc driver. Refactored the code to avoid forward declarations where
possible. Enables the NETIF_F_HW_TC flag for igc by default.
Vinicius adds support for ETF offloading using the similar approach that
taprio offload used.
Kees Cook fixes a clang warning in the e1000e driver by moving the
declared variable either into the switch case that uses the variable or
lift them up into the main function body, to help the compiler.
Andre fixed some register overwriting when dumping registers via ethtool
for igc driver. Also fixed support for ethtool Network Flow
Classification (NFC) queue redirection by adding the missing code needed
to enable the queue selection feature from Receive Address High (RAH)
register. Cleans up code to remove the code bits designed to support
tc-flower filters, since this client part does not support it.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
net: phy: broadcom: Add support for BCM53125 internal PHYs
BCM53125 has internal Gigabit PHYs which support interrupts as well as
statistics, make it possible to configure both of those features with a
PHY driver entry.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
net: phy: mdio-bcm-iproc: Do not show kernel pointer
Displaying the virtual address at which the MDIO base register address
has been mapped is not useful and is not visible with pointer hashing in
place, replace the message with something indicating successful
registration instead.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
Here's the first bluetooth-next pull request for the 5.8 kernel:
- Added debugfs option to control MITM flag usage during pairing
- Added new BT_MODE socket option
- Added support for Qualcom QCA6390 device
- Added support for Realtek RTL8761B device
- Added support for mSBC audio codec over USB endpoints
- Added framework for Microsoft HCI vendor extensions
- Added new Read Security Information management command
- Fixes/cleanup to link layer privacy related code
- Various other smaller cleanups & fixes
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Andre Guedes [Mon, 9 Mar 2020 23:10:40 +0000 (16:10 -0700)]
igc: Fix default MAC address filter override
This patch fixes a bug when the user adds the first MAC address filter
via ethtool NFC mechanism.
When the first MAC address filter is added, it overwrites the default
MAC address filter configured at RAL[0] and RAH[0]. As consequence,
frames addressed to the interface MAC address are not sent to host
anymore.
This patch fixes the bug by calling igc_set_default_mac_filter() during
adapter init so the position 0 of adapter->mac_table[] is assigned to
the default MAC address.
Signed-off-by: Andre Guedes <andre.guedes@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Andre Guedes [Sat, 7 Mar 2020 00:36:42 +0000 (16:36 -0800)]
igc: Remove dead code related to flower filter
IGC driver has no support for tc-flower filters so this patch removes
some leftover code, probably copied from IGB driver by mistake.
Signed-off-by: Andre Guedes <andre.guedes@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Andre Guedes [Fri, 6 Mar 2020 23:54:03 +0000 (15:54 -0800)]
igc: Fix NFC queue redirection support
The support for ethtool Network Flow Classification (NFC) queue
redirection based on destination MAC address is currently broken in IGC.
For instance, if we add the following rule, matching frames aren't
enqueued on the expected rx queue.
The issue here is due to the fact that igc_rar_set_index() is missing
code to enable the queue selection feature from Receive Address High
(RAH) register. This patch adds the missing code and fixes the issue.
Signed-off-by: Andre Guedes <andre.guedes@intel.com> Acked-by: Sasha Neftin <sasha.neftin@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
projects / kernel.git / log