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2021-05-26igb: fix assignment on big endian machinesJesse Brandeburg1-2/+2
The igb driver was trying hard to be sparse correct, but somehow ended up converting a variable into little endian order and then tries to OR something with it. A much plainer way of doing things is to leave all variables and OR operations in CPU (non-endian) mode, and then convert to little endian only once, which is what this change does. This probably fixes a bug that might have been seen only on big endian systems. Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Tested-by: Dave Switzer <david.switzer@intel.com> Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-05-26igb: handle vlan types with checker enabledJesse Brandeburg2-4/+5
The sparse build (C=2) finds some issues with how the driver dealt with the (very difficult) hardware that in some generations uses little-endian, and in others uses big endian, for the VLAN field. The code as written picks __le16 as a type and for some hardware revisions we override it to __be16 as done in this patch. This impacted the VF driver as well so fix it there too. Also change the vlan_tci assignment to override the sparse warning without changing functionality. Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Tested-by: Dave Switzer <david.switzer@intel.com> Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-05-26igb/igc: use strongly typed pointerJesse Brandeburg2-2/+2
The igb and igc driver both use a trick of creating a local type pointer on the stack to ease dealing with a receive descriptor in 64 bit chunks for printing. Sparse however was not taken into account and receive descriptors are always in little endian order, so just make the unions use __le64 instead of u64. No functional change. Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Tested-by: Dvora Fuxbrumer <dvorax.fuxbrumer@linux.intel.com> Tested-by: Dave Switzer <david.switzer@intel.com> Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-05-26fm10k: move error checkJesse Brandeburg1-5/+5
The error check and set_bit are placed in such a way that sparse (C=2) warns: .../fm10k_pci.c:1395:9: warning: context imbalance in 'fm10k_msix_mbx_pf' - different lock contexts for basic block Which seems a little odd, but the code can obviously be moved to where the variable is being set without changing functionality at all, and it even seems to make a bit more sense with the check closer to the set. Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-05-26intel: remove checker warningJesse Brandeburg3-3/+3
The sparse checker (C=2) found an assignment where we were mixing types when trying to convert from data read directly from the device NVM, to an array in CPU order in-memory, which unfortunately the driver tries to do in-place. This is easily solved by using the swap operation instead of an assignment, and is already proven in other Intel drivers to be functionally correct and the same code, just without a sparse warning. The change is the same in all three drivers. Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Tested-by: Dave Switzer <david.switzer@intel.com> Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-05-26e100: handle eeprom as little endianJesse Brandeburg1-6/+6
Sparse tool was warning on some implicit conversions from little endian data read from the EEPROM on the e100 cards. Fix these by being explicit about the conversions using le16_to_cpu(). Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-05-25net: wwan: core: Add WWAN device index sysfs attributeLoic Poulain1-0/+15
Add index sysfs attribute for WWAN devices. This index is used to uniquely indentify and reference a WWAN device. 'index' is the attribute name that other device classes use (wireless, v4l2-dev, rfkill, etc...). Signed-off-by: Loic Poulain <loic.poulain@linaro.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-05-25net: wan: add spaces required around that ':' and '+'Peng Li1-2/+4
This patch adds spaces required around that ':' and '+'. Signed-off-by: Peng Li <lipeng321@huawei.com> Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-05-25net: wan: replace comparison to NULL with "!card"Peng Li1-2/+2
According to the chackpatch.pl, comparison to NULL could be written "!card". Signed-off-by: Peng Li <lipeng321@huawei.com> Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-05-25net: wan: add some required spacesPeng Li1-7/+7
Add space required after that close brace '}'. Add space required before the open parenthesis '(' and '{' Signed-off-by: Peng Li <lipeng321@huawei.com> Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-05-25net: wan: fix an code style issue about "foo* barPeng Li1-2/+2
Fix the checkpatch error as "foo* bar" and should be "foo *bar". Signed-off-by: Peng Li <lipeng321@huawei.com> Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-05-25net: wan: add blank line after declarationsPeng Li1-0/+3
This patch fixes the checkpatch error about missing a blank line after declarations. Signed-off-by: Peng Li <lipeng321@huawei.com> Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-05-25net: wan: remove redundant blank linesPeng Li1-25/+0
This patch removes some redundant blank lines. Signed-off-by: Peng Li <lipeng321@huawei.com> Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-05-25net/hamradio/6pack: Fix inconsistent indentingJiapeng Chong1-6/+4
Eliminate the follow smatch warning: drivers/net/hamradio/6pack.c:728 sixpack_ioctl() warn: inconsistent indenting. Reported-by: Abaci Robot <abaci@linux.alibaba.com> Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-05-25net: hns3: switch to dim algorithm for adaptive interrupt moderationHuazhong Tan3-125/+73
The Linux kernel has support for a dynamic interrupt moderation algorithm known as "dimlib". Replace the custom driver-specific implementation of dynamic interrupt moderation with the kernel's algorithm. Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-05-25net: bridge: remove redundant assignmentNigel Christian1-1/+0
The variable br is assigned a value that is not being read after exiting case IFLA_STATS_LINK_XSTATS_SLAVE. The assignment is redundant and can be removed. Addresses-Coverity ("Unused value") Signed-off-by: Nigel Christian <nigel.l.christian@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-05-24net: wan: add braces {} to all arms of the statementPeng Li1-4/+4
Braces {} should be used on all arms of this statement. Signed-off-by: Peng Li <lipeng321@huawei.com> Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-05-24net: wan: fix the comments style issuePeng Li1-6/+9
Block comments use * on subsequent lines. Block comments use a trailing */ on a separate line. Signed-off-by: Peng Li <lipeng321@huawei.com> Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-05-24net: wan: replace comparison to NULL with "!card"Peng Li1-2/+2
According to the chackpatch.pl, comparison to NULL could be written "!card". Signed-off-by: Peng Li <lipeng321@huawei.com> Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-05-24net: wan: move out assignment in if conditionPeng Li1-2/+5
Should not use assignment in if condition. Signed-off-by: Peng Li <lipeng321@huawei.com> Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-05-24net: wan: add some required spacesPeng Li1-5/+5
Add space required after that close brace '}'. Add space required before the open parenthesis '('. Signed-off-by: Peng Li <lipeng321@huawei.com> Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-05-24net: wan: fix the code style issue about trailing statementsPeng Li1-15/+44
Trailing statements should be on next line. Signed-off-by: Peng Li <lipeng321@huawei.com> Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-05-24net: wan: code indent use tabs where possiblePeng Li1-17/+17
Code indent should use tabs where possible. Signed-off-by: Peng Li <lipeng321@huawei.com> Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-05-24net: wan: add blank line after declarationsPeng Li1-0/+5
This patch fixes the checkpatch error about missing a blank line after declarations. Signed-off-by: Peng Li <lipeng321@huawei.com> Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-05-24net: wan: fix an code style issue about "foo* bar"Peng Li1-3/+3
Fix the checkpatch error as "foo* bar" and should be "foo *bar", and "(foo*)" should be "(foo *)". Signed-off-by: Peng Li <lipeng321@huawei.com> Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-05-24net: wan: remove redundant blank linesPeng Li1-38/+0
This patch removes some redundant blank lines. Signed-off-by: Peng Li <lipeng321@huawei.com> Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-05-24net: dsa: sja1105: allow the frame buffer size to be customizedVladimir Oltean5-22/+27
The shared frame buffer of the SJA1110 is larger than that of SJA1105, which is natural due to the fact that there are more ports. Introduce yet another property in struct sja1105_info which encodes the maximum number of 128 byte blocks that can be used for frame buffers. Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-05-24net: dsa: sja1105: configure the multicast policers, if presentVladimir Oltean1-0/+4
The SJA1110 policer array is similar in layout with SJA1105, except it contains one multicast policer per port at the end. Detect the presence of multicast policers based on the maximum number of supported L2 Policing Table entries, and make those policers have a shared index equal to the port's default policer. Letting the user configure these policers is not supported at the moment. Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-05-24net: dsa: sja1105: use sja1105_xfer_u32 for the reset procedureVladimir Oltean1-16/+6
Using sja1105_xfer_buf results in a higher overhead and is harder to read. Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-05-24net: dsa: sja1105: dynamically choose the number of static config table entriesVladimir Oltean1-16/+16
Due to the fact that the port count is different, some static config tables have a different number of elements in SJA1105 compared to SJA1110. Such an example is the L2 Policing table, which has 45 entries in SJA1105 (one per port x traffic class, and one broadcast policer per port) and 110 entries in SJA1110 (one per port x traffic class, one broadcast and one multicast policer per port). Similarly, the MAC Configuration Table, the L2 Forwarding table, all have a different number of elements simply because the port count is different, and although this can be accounted for by looking at ds->ports, the policing table can't because of the presence of the extra multicast policers. The common denominator for the static config initializers for these tables is that they must set up all the entries within that table. So the simplest way to account for these differences in a uniform manner is to look at struct sja1105_table_ops::max_entry_count. For the sake of uniformity, this patch makes that change also for tables whose number of elements did not change in SJA1110, like the xMII Mode Parameters, the L2 Lookup Parameters, General Parameters, AVB Parameters (all of these are singleton tables with a single entry). Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-05-24net: dsa: sja1105: skip CGU configuration if it's unnecessaryVladimir Oltean5-2/+44
There are two distinct code paths which enter sja1105_clocking.c, one through sja1105_clocking_setup() and the other through sja1105_clocking_setup_port(): sja1105_static_config_reload sja1105_setup | | | +------------------+ | | v v sja1105_clocking_setup sja1105_adjust_port_config | | v | sja1105_clocking_setup_port <------------------+ As opposed to SJA1105, the SJA1110 does not need any configuration of the Clock Generation Unit in order for xMII ports to work. Just RGMII internal delays need to be configured, and that is done inside sja1105_clocking_setup_port for the RGMII ports. So this patch introduces the concept of a "reserved address", which the CGU configuration functions from sja1105_clocking.c must check before proceeding to do anything. The SJA1110 will have reserved addresses for the CGU PLLs for MII/RMII/RGMII. Additionally, make sja1105_clocking_setup() a function pointer so it can be overridden by the SJA1110. Even though nothing port-related needs to be done in the CGU, there are some operations such as disabling the watchdog clock which are unique to the SJA1110. Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-05-24net: dsa: sja1105: don't assign the host port using dsa_upstream_port()Vladimir Oltean1-1/+10
If @port is unused, then dsa_upstream_port(ds, port) returns @port, which means we cannot assume the CPU port can be retrieved this way. The sja1105 switches support a single CPU port, so just iterate over the switch ports and stop at the first CPU port we see. Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-05-24net: dsa: sja1105: dimension the data structures for a larger port countVladimir Oltean5-24/+25
Introduce a SJA1105_MAX_NUM_PORTS macro which at the moment is equal to SJA1105_NUM_PORTS (5). With the introduction of SJA1110, these structures will need to hold information for up to 11 ports. Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-05-24net: dsa: sja1105: avoid some work for unused portsVladimir Oltean1-5/+22
Do not put unused ports in the forwarding domain, and do not allocate FDB entries for dynamic address learning for them. Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-05-24net: dsa: sja1105: parameterize the number of portsVladimir Oltean5-38/+53
The sja1105 driver will gain support for the next-gen SJA1110 switch, which is very similar except for the fact it has more than 5 ports. So we need to replace the hardcoded SJA1105_NUM_PORTS in this driver with ds->num_ports. This patch is as mechanical as possible (save for the fact that ds->num_ports is not an integer constant expression). Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-05-24net: hns3: use HCLGE_VPORT_STATE_PROMISC_CHANGE to replace HCLGE_STATE_PROMISC_CHANGEDJian Shen2-7/+6
Currently, PF is using HCLGE_STATE_PROMISC_CHANGED to indicate need synchronize the promisc mode for itself, and using flag HCLGE_VPORT_STATE_PROMISC_CHANGE for its VF. To keep consistent, remove flag HCLGE_STATE_PROMISC_CHANGED, and use flag HCLGE_VPORT_STATE_PROMISC_CHANGE instead. 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>
2021-05-24net: hns3: configure promisc mode for VF asynchronouslyJian Shen3-46/+42
Currently, when host set VF untrusted, the driver will disable the promisc mode of VF. It may be conflicted when the VF requests the host to set promisc mode. So refactor it by changing promisc mode for VF asynchronously. With this change, the promisc mode of VF can be restored when the VF being trusted again. 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>
2021-05-24nfc: st-nci: remove unnecessary assignment and labelwengjianfeng1-6/+2
In function st_nci_hci_network_init, the variable r is assigned then goto exit label, which just return r, so we use return to replace it. and exit label only used once at here, so we remove exit label. Signed-off-by: wengjianfeng <wengjianfeng@yulong.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-05-23ethernet: ucc_geth: Use kmemdup() rather than kmalloc+memcpyYueHaibing1-2/+1
Issue identified with Coccinelle. Signed-off-by: YueHaibing <yuehaibing@huawei.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-05-23net: r6040: Allow restarting auto-negotiationFlorian Fainelli1-0/+1
Use phy_ethtool_nway_reset() since the driver makes use of the PHY library. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-05-23net: r6040: Use ETH_FCS_LENFlorian Fainelli1-2/+2
Instead of the open coded constant 4. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-05-23net: r6040: Use logical or for MDIO operationsFlorian Fainelli1-2/+2
This is not a functional change, but we should be using a logical or to assign the bits we will be writing to the MDIO read and write registers. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-05-23ehea: Use DEVICE_ATTR_*() macroYueHaibing1-9/+9
Use DEVICE_ATTR_*() helper instead of plain DEVICE_ATTR, which makes the code a bit shorter and easier to read. Signed-off-by: YueHaibing <yuehaibing@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-05-23sfc: falcon: use DEVICE_ATTR_*() macroYueHaibing2-7/+7
Use DEVICE_ATTR_*() helper instead of plain DEVICE_ATTR, which makes the code a bit shorter and easier to read. Signed-off-by: YueHaibing <yuehaibing@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-05-23sfc: use DEVICE_ATTR_*() macroYueHaibing3-17/+18
Use DEVICE_ATTR_*() helper instead of plain DEVICE_ATTR, which makes the code a bit shorter and easier to read. Signed-off-by: YueHaibing <yuehaibing@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-05-23net: ftgmac100: add missing error return code in ftgmac100_probe()Yang Yingliang1-1/+5
The variables will be free on path err_phy_connect, it should return error code, or it will cause double free when calling ftgmac100_remove(). Fixes: bd466c3fb5a4 ("net/faraday: Support NCSI mode") Fixes: 39bfab8844a0 ("net: ftgmac100: Add support for DT phy-handle property") Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Yang Yingliang <yangyingliang@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-05-21dpaa2-eth: don't print error from dpaa2_mac_connect if that's EPROBE_DEFERVladimir Oltean1-3/+4
When booting a board with DPAA2 interfaces defined statically via DPL (as opposed to creating them dynamically using restool), the driver will print an unspecific error message. This change adds the error code to the message, and avoids printing altogether if the error code is EPROBE_DEFER, because that is not a cause of alarm. Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Reviewed-by: Ioana Ciornei <ioana.ciornei@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-05-21dpaa2-eth: name the debugfs directory after the DPNI objectIoana Ciornei1-1/+5
Name the debugfs directory after the DPNI object instead of the netdev name since this can be changed after probe by udev rules. Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com> Reviewed-by: Vladimir Oltean <vladimir.oltean@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-05-21dpaa2-eth: setup the of_node field of the deviceIoana Ciornei2-12/+14
When the DPNI object is connected to a DPMAC, setup the of_node to point to the DTS device node of that specific MAC. This enables other drivers, for example the DSA subsystem, to find the net_device by its device node. Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com> Reviewed-by: Vladimir Oltean <vladimir.oltean@nxp.com> Tested-by: Vladimir Oltean <vladimir.oltean@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-05-21net: dsa: sja1105: don't use burst SPI reads for port statisticsVladimir Oltean3-468/+598
The current internal sja1105 driver API is optimized for retrieving many statistics counters at once. But the switch does not do atomic snapshotting for them anyway. In case we start reporting the hardware port counters through ndo_get_stats64 as well, not just ethtool, it would be good to be able to read individual port counters and not all of them. Additionally, since Arnd Bergmann's commit ae1804de93f6 ("dsa: sja1105: dynamically allocate stats structure"), sja1105_get_ethtool_stats allocates memory dynamically, since struct sja1105_port_status was deemed to consume too much stack memory. That is not ideal. The large structure is only needed because of the burst read. If we read statistics one by one, we can consume less memory, and we can avoid dynamic allocation. Additionally, latency-sensitive interfaces such as PTP operations (for phc2sys) might suffer if the SPI mutex is being held for too long, which happens in the case of SPI burst reads. By reading counters one by one, we give a chance for higher priority processes to preempt and take the SPI bus mutex for accessing the PTP clock. Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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