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2020-05-01docs: networking: device drivers: convert chelsio/cxgb.txt to ReSTMauro Carvalho Chehab
- add SPDX header; - use copyright symbol; - adjust titles and chapters, adding proper markups; - comment out text-only TOC from html/pdf output; - mark code blocks and literals as such; - add notes markups; - mark tables as such; - mark lists as such; - adjust identation, whitespaces and blank lines where needed; - add to networking/index.rst. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-05-01docs: networking: device drivers: convert 3com/vortex.txt to ReSTMauro Carvalho Chehab
- add SPDX header; - add a document title; - mark code blocks and literals as such; - mark tables as such; - adjust identation, whitespaces and blank lines where needed; - add to networking/index.rst. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-05-01docs: networking: convert z8530drv.txt to ReSTMauro Carvalho Chehab
- add SPDX header; - use copyright symbol; - adjust titles and chapters, adding proper markups; - mark tables as such; - mark code blocks and literals as such; - adjust identation, whitespaces and blank lines where needed; - add to networking/index.rst. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-05-01docs: networking: convert tuntap.txt to ReSTMauro Carvalho Chehab
- add SPDX header; - use copyright symbol; - adjust titles and chapters, adding proper markups; - mark code blocks and literals as such; - adjust identation, whitespaces and blank lines where needed; - add to networking/index.rst. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-05-01r8169: remove not needed parameter in rtl8169_set_magic_regHeiner Kallweit
Remove a not needed parameter in rtl8169_set_magic_reg. Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-30hinic: Use kmemdup instead of kzalloc and memcpyZou Wei
Fixes coccicheck warnings: drivers/net/ethernet/huawei/hinic/hinic_hw_mbox.c:452:17-24: WARNING opportunity for kmemdup drivers/net/ethernet/huawei/hinic/hinic_hw_mbox.c:458:23-30: WARNING opportunity for kmemdup Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Zou Wei <zou_wei@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-30hinic: make symbol 'dump_mox_reg' staticZheng Bin
Fix sparse warnings: drivers/net/ethernet/huawei/hinic/hinic_hw_mbox.c:601:6: warning: symbol 'dump_mox_reg' was not declared. Should it be static? Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Zheng Bin <zhengbin13@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-30net: phy: bcm54140: add second PHY IDMichael Walle
This PHY has two PHY IDs depending on its mode. Adjust the mask so that it includes both IDs. Signed-off-by: Michael Walle <michael@walle.cc> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-30net: phy: bcm54140: apply the workaround on b0 chipsMichael Walle
The lower three bits of the phy_id specifies the chip stepping. The workaround is specifically for the B0 stepping. Apply it only on these chips. Signed-off-by: Michael Walle <michael@walle.cc> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-30net: phy: bcm54140: fix phy_id_maskMichael Walle
Broadcom defines the bits for this PHY as follows: { oui[24:3], model[6:0], revision[2:0] } Thus we have to mask the lower three bits only. Fixes: 6937602ed3f9 ("net: phy: add Broadcom BCM54140 support") Signed-off-by: Michael Walle <michael@walle.cc> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-30net: phy: bcm54140: use genphy_soft_reset()Michael Walle
Set the .soft_reset() op to be sure there will be a reset even if there is no hardware reset line registered. Signed-off-by: Michael Walle <michael@walle.cc> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-30net: phy: at803x: add downshift supportMichael Walle
The AR8031 and AR8035 support the link speed downshift. Add driver support for it. One peculiarity of these PHYs is that it needs a software reset after changing the setting, thus add the .soft_reset() op and do a phy_init_hw() if necessary. This was tested on a custom board with the AR8031. Signed-off-by: Michael Walle <michael@walle.cc> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-30r8169: configure PME_SIGNAL for RTL8125 tooHeiner Kallweit
RTL8125 supports the same PME_SIGNAL handling as all later RTL8168 chip variants. Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-30r8169: improve max jumbo packet size definitionHeiner Kallweit
Sync definition of max jumbo packet size with vendor driver and reserve 22 bytes for VLAN ethernet header plus checksum. Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-30net: usb: ax88179_178a: Implement ethtool_ops set_eepromBjorn Andersson
The vendor driver does upon failing to read a valid MAC address from EEPROM write the netdev's address back to EEPROM and invoking a EEPROM reload operation. Based on this we can implement the ethtool_ops set_eeprom and provide the means to populate the EEPROM from within Linux. It's worth noting that ax88179_get_eeprom() will return some default data unless the content of the EEPROM is deemed "complete", so until the EEPROM is fully populated (e.g. by running ethtool -e | ethtool -E) data written with ax88179_set_eeprom() will appear not to stick. The implementation is based on asix_set_eeprom(), from asix_common.c Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-30dpaa2-eth: fix error return code in setup_dpni()Wei Yongjun
Fix to return negative error code -ENOMEM from the error handling case instead of 0, as done elsewhere in this function. Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-30net: ll_temac: Fix return value check in temac_probe()Wei Yongjun
In case of error, the function devm_ioremap() returns NULL pointer not ERR_PTR(). The IS_ERR() test in the return value check should be replaced with NULL test. Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com> Acked-by: Esben Haabendal <esben@geanix.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-30net: ethernet: fec: Revert "net: ethernet: fec: Replace interrupt driven ↵Fugang Duan
MDIO with polled IO" This reverts commit 29ae6bd1b0d8a57d7c00ab12cbb949fc41986eef. The commit breaks ethernet function on i.MX6SX, i.MX7D, i.MX8MM, i.MX8MQ, and i.MX8QXP platforms. Boot yocto system by NFS mounting rootfs will be failed with the commit. Signed-off-by: Fugang Duan <fugang.duan@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-30net: lpc-enet: fix error return code in lpc_mii_init()Wei Yongjun
Fix to return a negative error code from the error handling case instead of 0, as done elsewhere in this function. Fixes: b7370112f519 ("lpc32xx: Added ethernet driver") Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com> Acked-by: Vladimir Zapolskiy <vz@mleia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-30ice: Fix error return code in ice_add_prof()Wei Yongjun
Fix to return a error code from the error handling case instead of 0, as done elsewhere in this function. Fixes: 31ad4e4ee1e4 ("ice: Allocate flow profile") Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-30octeontx2-pf: Fix error return code in otx2_probe()Wei Yongjun
Fix to return negative error code -ENOMEM from the error handling case instead of 0, as done elsewhere in this function. Fixes: 5a6d7c9daef3 ("octeontx2-pf: Mailbox communication with AF") Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-30dpaa_eth: Fix comparing pointer to 0Aishwarya Ramakrishnan
Fixes coccicheck warning: ./drivers/net/ethernet/freescale/dpaa/dpaa_eth.c:2110:30-31: WARNING comparing pointer to 0 Avoid pointer type value compared to 0. Signed-off-by: Aishwarya Ramakrishnan <aishwaryarj100@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-30net: dsa: b53: Remove is_static argument to b53_read_op()Florian Fainelli
This argument is not used. 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>
2020-04-30net: dsa: b53: Bound check ARL searchesFlorian Fainelli
ARL searches are done by reading two ARL entries at a time, do not cap the search at 1024 which would only limit us to half of the possible ARL capacity, but use b53_max_arl_entries() instead which does the right multiplication between bins and indexes. 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>
2020-04-30net: dsa: b53: Provide number of ARL bucketsFlorian Fainelli
In preparation for doing proper upper bound checking of FDB/MDB entries being added to the ARL, provide the number of ARL buckets for each switch chip we support. All chips have 1024 buckets, except 7278 which has only 256. 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>
2020-04-30net: dsa: b53: Rename num_arl_entries to num_arl_binsFlorian Fainelli
The variable currently holds the number of ARL bins per ARL buckets, which is different from the number of ARL entries which would be bins times buckets. We will be adding a num_arl_buckets in a subsequent patch so get variables straight now. 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>
2020-04-30r8169: add check for invalid parameter combination in rtl_set_coalesceHeiner Kallweit
Realtek provided information about a HW constraint that time limit must not be set to 0 if the frame limit is >0. Add a check for this and reject invalid parameter combinations. Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-30r8169: improve rtl_set_coalesceHeiner Kallweit
Use FIELD_PREP() to make the code better readable, and avoid the loop. No functional change intended. Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-30r8169: improve interrupt coalescing parameter handlingHeiner Kallweit
The chip supports only frame limits 0, 4, 8, .. 60 internally. Returning EINVAL for all val % 4 != 0 seems to be a little bit too unfriendly to the user. Therefore round up the frame limit to the next supported value. In addition round up the time limit, else a very low limit could be rounded down to 0, and interpreted as "ignore value" by the chip. Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-30r8169: improve rtl_coalesce_choose_scaleHeiner Kallweit
The time limit provided by userspace is multiplied with 1000, what could result in an overflow. Therefore change the time limit parameter unit from ns to us, and avoid the problematic operation. If there's no matching scale because provided time limit is too big, return ERANGE instead of EINVAL to provide a hint to the user what's wrong. Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-30r8169: improve rtl_get_coalesceHeiner Kallweit
Use FIELD_GET() macro to make the code better readable. In addition change the logic to round the time limit up, not down. Reason is that a time limit <1us would be rounded to 0 currently, what would be interpreted as "no time limit set". Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-30r8169: merge scale for tx and rx irq coalescingHeiner Kallweit
Rx and tx scale are the same always. Simplify the code by using one scale for rx and tx only. Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-30r8169: don't pass net_device to irq coalescing sub-functionsHeiner Kallweit
The net_device argument is just used to get a struct rtl8169_private pointer via netdev_priv(). Therefore pass the struct rtl8169_private pointer directly. Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-30Merge tag 'mlx5-updates-2020-04-30' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux Saeed Mahameed says: ==================== mlx5-updates-2020-04-30 1) Add release all pages support, From Eran. to release all FW pages at once on driver unload, when supported by FW. 2) From Maxim and Tariq, Trivial Data path cleanup and code improvements in preparation for their next features, TLS offload and TX performance improvements 3) Multiple cleanups. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-30mlxsw: spectrum_span: Remove old SPAN APIIdo Schimmel
Remove the old SPAN API now that matchall-based and flower-based mirroring were converted to use the new API. Signed-off-by: Ido Schimmel <idosch@mellanox.com> Reviewed-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-30mlxsw: spectrum_span: Use new analyzed ports list during speed / MTU changeIdo Schimmel
As previously explained, each port whose outgoing traffic is analyzed needs to have an egress mirror buffer. The size of the egress mirror buffer is calculated based on various parameters, two of which are the speed and the MTU of the port. Therefore, when the MTU or the speed of a port change, the SPAN code is called to see if the egress mirror buffer of the port needs to be adjusted. Currently, this is done by traversing all the SPAN agents and for each SPAN agent the list of bound ports is traversed. Instead of the above, traverse the recently added list of analyzed ports. This will later allow us to remove the old SPAN API. Signed-off-by: Ido Schimmel <idosch@mellanox.com> Reviewed-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-30mlxsw: spectrum_acl: Convert flower-based mirroring to new SPAN APIIdo Schimmel
In flower-based mirroring, mirroring is done with ACLs and the SPAN agent is not bound to a port. Instead its identifier is specified in an ACL action. Convert this type of mirroring to use the new API. Signed-off-by: Ido Schimmel <idosch@mellanox.com> Reviewed-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-30mlxsw: spectrum: Convert matchall-based mirroring to new SPAN APIIdo Schimmel
In matchall-based mirroring, mirroring is not done with ACLs, but a SPAN agent is bound to the ingress / egress of a port and all incoming / outgoing traffic is mirrored. Convert this type of mirroring to use the new API. First the SPAN agent is resolved, then the port is marked as analyzed and its egress mirror buffer is potentially allocated. Lastly, the binding is performed. Signed-off-by: Ido Schimmel <idosch@mellanox.com> Reviewed-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-30mlxsw: spectrum_span: Add APIs to bind / unbind a SPAN agentIdo Schimmel
Currently, a SPAN agent can only be bound to a per-port trigger where the trigger is either an incoming packet (INGRESS) or an outgoing packet (EGRESS) to / from the port. A follow-up patch set will introduce the concept of global triggers and per-{port, TC} enablement. With global triggers, the trigger entry is only keyed by a trigger and not by a port and a trigger. The trigger can be, for example, a packet that was early dropped. While the binding between the SPAN agent and the trigger is performed only once, the trigger entry needs to be reference counted, as the trigger can be enabled on multiple ports. Add APIs to bind / unbind a SPAN agent to a trigger and reference count the trigger entry in preparation for global triggers. Signed-off-by: Ido Schimmel <idosch@mellanox.com> Reviewed-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-30mlxsw: spectrum_span: Wrap buffer change in a functionIdo Schimmel
The code that adjusts the egress buffer size is not symmetric at the moment. The update is done via a call to mlxsw_sp_span_port_buffer_update(), but the disablement is done inline by invoking the write to SBIB register directly. Wrap the disablement code in mlxsw_sp_span_port_buffer_disable(). Signed-off-by: Ido Schimmel <idosch@mellanox.com> Suggested-by: Petr Machata <petrm@mellanox.com> Reviewed-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-30mlxsw: spectrum_span: Rename functionIdo Schimmel
Next patch will introduce mlxsw_sp_span_port_buffer_disable() function that disables the egress buffer on an analyzed port. Rename the opposite function that updates the buffer on an analyzed port accordingly. Signed-off-by: Ido Schimmel <idosch@mellanox.com> Suggested-by: Petr Machata <petrm@mellanox.com> Reviewed-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-30mlxsw: spectrum_span: Add APIs to get / put an analyzed portIdo Schimmel
An analyzed port is a port whose incoming / outgoing traffic is mirrored to a SPAN agent and analyzed on a remote server. A port can be analyzed by multiple tc filters and therefore the corresponding analyzed port entry needs to be reference counted. This is significant because ports whose outgoing traffic is analyzed need to have an egress mirror buffer. Add APIs to get / put an analyzed port. Allocate an egress mirror buffer on a port when it is first inspected at egress and free the buffer when it is no longer inspected at egress. Protect the list of analyzed ports with a mutex, as a later patch will traverse it from a context in which RTNL lock is not held. Signed-off-by: Ido Schimmel <idosch@mellanox.com> Reviewed-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-30mlxsw: spectrum_span: Add APIs to get / put a SPAN agentIdo Schimmel
Given a netdev that packets should be mirrored to, create a SPAN agent and return its identifier to the caller. The SPAN agent is reference counted, as multiple tc-mirred actions can point to the same destination netdev. Signed-off-by: Ido Schimmel <idosch@mellanox.com> Reviewed-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-30docs: networking: convert skfp.txt to ReSTMauro Carvalho Chehab
- add SPDX header; - use copyright symbol; - add a document title; - adjust titles and chapters, adding proper markups; - comment out text-only TOC from html/pdf output; - adjust identation, whitespaces and blank lines where needed; - add to networking/index.rst. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-30docs: networking: convert ray_cs.txt to ReSTMauro Carvalho Chehab
- add SPDX header; - use copyright symbol; - add a document title; - mark code blocks and literals as such; - mark tables as such; - adjust identation, whitespaces and blank lines where needed; - add to networking/index.rst. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-30docs: networking: convert PLIP.txt to ReSTMauro Carvalho Chehab
- add SPDX header; - mark code blocks and literals as such; - adjust identation, whitespaces and blank lines where needed; - add to networking/index.rst. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-30docs: networking: convert netconsole.txt to ReSTMauro Carvalho Chehab
- add SPDX header; - add a document title; - mark code blocks and literals as such; - mark tables as such; - add notes markups; - adjust identation, whitespaces and blank lines; - add to networking/index.rst. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-30docs: networking: convert ltpc.txt to ReSTMauro Carvalho Chehab
- add SPDX header; - add a document title; - mark code blocks and literals as such; - mark tables as such; - adjust identation, whitespaces and blank lines; - add to networking/index.rst. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-30stmmac: intel: Place object in the Makefile according to the orderAndy Shevchenko
Follow the order for the platform drivers, i.e. generic object are going first. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-30stmmac: intel: Fix indentation to put on one line affected codeAndy Shevchenko
There is no competition to get more LOCs into the kernel, and driver can look better and have improved readability without those additional line breaks. While at it, shorten info structures that they are all PCI, at the end it's a PCI driver for Intel hardware. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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