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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: device drivers: convert 3com/3c509.txt to ReSTMauro Carvalho Chehab
- add SPDX header; - adjust titles and chapters, adding proper markups; - mark code blocks and literals as such; - add notes markups; - 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 xfrm_sysctl.txt to ReSTMauro Carvalho Chehab
Not much to be done here: - add SPDX header; - add a document title; - add a chapter's markup; - 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 xfrm_sync.txt to ReSTMauro Carvalho Chehab
- add SPDX header; - add a document title; - 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>
2020-05-01docs: networking: convert xfrm_proc.txt to ReSTMauro Carvalho Chehab
- add SPDX header; - adjust title markup; - 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 xfrm_device.txt to ReSTMauro Carvalho Chehab
- add SPDX header; - 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 x25.txt to ReSTMauro Carvalho Chehab
Not much to be done here: - add SPDX header; - add a document title; - 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 x25-iface.txt to ReSTMauro Carvalho Chehab
Not much to be done here: - add SPDX header; - adjust title markup; - remove a tail whitespace; - 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 vxlan.txt to ReSTMauro Carvalho Chehab
- add SPDX header; - adjust title markup; - 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 vrf.txt to ReSTMauro Carvalho Chehab
- add SPDX header; - adjust title markup; - Add a subtitle for the first section; - mark code blocks and literals as such; - adjust identation, whitespaces and blank lines; - add to networking/index.rst. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Acked-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-05-01docs: networking: convert udplite.txt to ReSTMauro Carvalho Chehab
- add SPDX header; - adjust titles and chapters, adding proper markups; - mark lists as such; - 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>
2020-04-30ptp_qoriq: output PPS signal on FIPER2 in defaultYangbo Lu
Output PPS signal on FIPER2 (Fixed Period Interval Pulse) in default which is more desired by user. Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-30Merge branch 'netlink-validation-improvements-refactoring'David S. Miller
Johannes Berg says: ==================== netlink validation improvements/refactoring Alright, this is the resend now, really just changing - the WARN_ON_ONCE() as spotted by Jakub; - mark the export patch no longer RFC. I wasn't actually sure if you meant this one too, and I really should dig out and polish the code that showed it in userspace. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-30netlink: add infrastructure to expose policies to userspaceJohannes Berg
Add, and use in generic netlink, helpers to dump out a netlink policy to userspace, including all the range validation data, nested policies etc. This lets userspace discover what the kernel understands. For families/commands other than generic netlink, the helpers need to be used directly in an appropriate command, or we can add some infrastructure (a new netlink family) that those can register their policies with for introspection. I'm not that familiar with non-generic netlink, so that's left out for now. The data exposed to userspace also includes min and max length for binary/string data, I've done that instead of letting the userspace tools figure out whether min/max is intended based on the type so that we can extend this later in the kernel, we might want to just use the range data for example. Because of this, I opted to not directly expose the NLA_* values, even if some of them are already exposed via BPF, as with min/max length we don't need to have different types here for NLA_BINARY/NLA_MIN_LEN/NLA_EXACT_LEN, we just make them all NL_ATTR_TYPE_BINARY with min/max length optionally set. Similarly, we don't really need NLA_MSECS, and perhaps can remove it in the future - but not if we encode it into the userspace API now. It gets mapped to NL_ATTR_TYPE_U64 here. Note that the exposing here corresponds to the strict policy interpretation, and NLA_UNSPEC items are omitted entirely. To get those, change them to NLA_MIN_LEN which behaves in exactly the same way, but is exposed. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-30netlink: factor out policy range helpersJohannes Berg
Add helpers to get the policy's signed/unsigned range validation data. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-30netlink: remove NLA_EXACT_LEN_WARNJohannes Berg
Use a validation type instead, so we can later expose the NLA_* values to userspace for policy descriptions. Some transformations were done with this spatch: @@ identifier p; expression X, L, A; @@ struct nla_policy p[X] = { [A] = -{ .type = NLA_EXACT_LEN_WARN, .len = L }, +NLA_POLICY_EXACT_LEN_WARN(L), ... }; Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-30netlink: allow NLA_MSECS to have range validationJohannes Berg
Since NLA_MSECS is really equivalent to NLA_U64, allow it to have range validation as well. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-30netlink: extend policy range validationJohannes Berg
Using a pointer to a struct indicating the min/max values, extend the ability to do range validation for arbitrary values. Small values in the s16 range can be kept in the policy directly. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-30nl80211: link recursive netlink nested policyJohannes Berg
Now that we have limited recursive policy validation to avoid stack overflows, change nl80211 to actually link the nested policy (linking back to itself eventually), which allows some code cleanups. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-30netlink: limit recursion depth in policy validationJohannes Berg
Now that we have nested policies, we can theoretically recurse forever parsing attributes if a (sub-)policy refers back to a higher level one. This is a situation that has happened in nl80211, and we've avoided it there by not linking it. Add some code to netlink parsing to limit recursion depth. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-30netlink: remove type-unsafe validation_data pointerJohannes Berg
In the netlink policy, we currently have a void *validation_data that's pointing to different things: * a u32 value for bitfield32, * the netlink policy for nested/nested array * the string for NLA_REJECT Remove the pointer and place appropriate type-safe items in the union instead. While at it, completely dissolve the pointer for the bitfield32 case and just put the value there directly. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-30Merge branch 'net-dsa-b53-ARL-improvements'David S. Miller
Florian Fainelli says: ==================== net: dsa: b53: ARL improvements This patch series improves the b53 driver ARL search code by renaming the ARL entries to be reflective of what they are: bins, and then introduce the number of buckets so we can properly bound check ARL searches. The final patch removes an unused argument. ==================== 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>
2020-04-30Merge branch 'r8169-refactor-and-improve-interrupt-coalescing'David S. Miller
Heiner Kallweit says: ==================== r8169: refactor and improve interrupt coalescing Refactor and improve interrupt coalescing. ==================== Reviewed-by: Jakub Kicinski <kuba@kernel.org> 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>
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