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2020-01-11net: hns3: split hclge_reset() into preparing and rebuilding partHuazhong Tan1-25/+34
hclge_reset() is a little bloated, and the process of PF FLR will be separated from the reset task later. So this patch splits hclge_reset() into hclge_reset_prepare() and hclge_reset_rebuild(), then FLR can also reuse these two functions. BTW, since hclge_clear_reset_cause() and hclge_reset_prepare_up() will not affect the device, so in hclge_reset_rebuild(), these functions are called without rtnl_lock. Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-10sfc: remove set but not used variable 'nic_data'YueHaibing1-3/+0
Fixes gcc '-Wunused-but-set-variable' warning: drivers/net/ethernet/sfc/mcdi_functions.c: In function 'efx_mcdi_ev_init': drivers/net/ethernet/sfc/mcdi_functions.c:79:28: warning: variable 'nic_data' set but not used [-Wunused-but-set-variable] commit 4438b587fe4b ("sfc: move MCDI event queue management code") introduces this unused variable. Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: YueHaibing <yuehaibing@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-10sfc: remove duplicated include from ef10.cYueHaibing1-1/+0
Remove duplicated include. Signed-off-by: YueHaibing <yuehaibing@huawei.com> Acked-by: Edward Cree <ecree@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-10bnxt: Detach page from page pool before sending up the stackJonathan Lemon1-0/+1
When running in XDP mode, pages come from the page pool, and should be freed back to the same pool or specifically detached. Currently, when the driver re-initializes, the page pool destruction is delayed forever since it thinks there are oustanding pages. Fixes: 322b87ca55f2 ("bnxt_en: add page_pool support") Signed-off-by: Jonathan Lemon <jonathan.lemon@gmail.com> Reviewed-by: Andy Gospodarek <gospo@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-10devlink: document region snapshot triggering from userspaceJacob Keller1-2/+8
Now that devlink regions can be triggered via DEVLINK_CMD_REGION_TRIGGER, document this in the devlink-region.rst file. Signed-off-by: Jacob Keller <jacob.e.keller@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-10devlink: introduce devlink-dpipe.rst documentation fileJacob Keller2-0/+253
Primarily based on the DPIPE netdev conference paper, introduce a new file to document the dpipe interface. This likely needs further improvement, but is at least a good overall start. Signed-off-by: Jacob Keller <jacob.e.keller@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-10devlink: add a devlink-resource.rst documentation fileJacob Keller2-0/+63
Take the little bit of documentation for resources from various commit messages and combine it into a new devlink-resource.rst file. This could probably be expanded on even further by someone with more knowledge of how the devlink resources work. Signed-off-by: Jacob Keller <jacob.e.keller@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-10devlink: rename and expand devlink-trap-netdevsim.rstJacob Keller5-23/+75
Rename the trap-specific netdevimsim.rst file, and expand it to include documentation of all the devlink features currently implemented by the netdevsim driver code. Signed-off-by: Jacob Keller <jacob.e.keller@intel.com> Cc: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-10devlink: add documentation for ionic device driverJacob Keller2-0/+30
The IONIC device driver allocates a devlink and reports versions. Add documentation for this driver. Signed-off-by: Jacob Keller <jacob.e.keller@intel.com> Cc: Shannon Nelson <snelson@pensando.io> Acked-by: Shannon Nelson <snelson@pensandi.io> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-10devlink: add a file documenting devlink regionsJacob Keller3-0/+68
Also document the regions created by the mlx4 driver. This is currently the only in-tree driver that creates devlink region snapshots. Signed-off-by: Jacob Keller <jacob.e.keller@intel.com> Cc: Tariq Toukan <tariqt@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-10devlink: add a driver-specific file for the qed driverJacob Keller2-0/+27
The qed driver recently added devlink support with a single devlink parameter. Add a driver-specific file to document the devlink features that the qed driver supports. Signed-off-by: Jacob Keller <jacob.e.keller@intel.com> Cc: Ariel Elior <aelior@marvell.com> Cc: GR-everest-linux-l2@marvell.com Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-10devlink: add parameter documentation for the mlx4 driverJacob Keller2-0/+44
The mlx5 and mlxsw drivers have driver-specific documentation for the devlink features they support. No such file was added for mlx4. Add a file to document the mlx4 devlink support. Initially it contains only the devlink parameters. Signed-off-by: Jacob Keller <jacob.e.keller@intel.com> Cc: Tariq Toukan <tariqt@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-10devlink: document info versions for each driverJacob Keller3-0/+84
Add the set of info versions reported by each device driver, including a description of what the version represents, and what modes (fixed, running, stored) it reports. Signed-off-by: Jacob Keller <jacob.e.keller@intel.com> Cc: Tariq Toukan <tariqt@mellanox.com> Cc: Saeed Mahameed <saeedm@mellanox.com> Cc: Leon Romanovsky <leonro@mellanox.com> Cc: Michael Chan <michael.chan@broadcom.com> Cc: Jiri Pirko <jiri@mellanox.com> Cc: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-10devlink: convert driver-specific files to reStructuredTextJacob Keller15-70/+222
Several drivers document what parameters they support in a devlink-params-*.txt file. This file is supposed to contain both the list of generic parameters implemented by the driver, as well as a list of driver-specific parameters and their descriptions. It would also be good if the driver documentation included other driver-specific implementations, such as info versions, devlink regions, and so forth. Convert all of these documentation files to reStructuredText, and rename them to just the driver name. Future changes will include other driver-specific implementations. Each file will contain a table for the generic parameters implemented, as well as a separate table for the driver-specific parameters. Future sections such as for devlink info versions will be added to these files. This avoids creating additional devlink-<feature>-<driver> files for each devlink feature, reducing clutter in the documentation folder. Signed-off-by: Jacob Keller <jacob.e.keller@intel.com> Cc: Tariq Toukan <tariqt@mellanox.com> Cc: Saeed Mahameed <saeedm@mellanox.com> Cc: Leon Romanovsky <leonro@mellanox.com> Cc: Michael Chan <michael.chan@broadcom.com> Cc: Andrew Lunn <andrew@lunn.ch> Cc: Vivien Didelot <vivien.didelot@gmail.com> Cc: Jiri Pirko <jiri@mellanox.com> Cc: Ido Schimmel <idosch@mellanox.com> Cc: Jakub Kicinski <jakub.kicinski@netronome.com> Cc: Grygorii Strashko <grygorii.strashko@ti.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-10devlink: mention reloading in devlink-params.rstJacob Keller1-0/+7
Mention that drivers must support devlink-reload in order for driverinit parameters to function properly Signed-off-by: Jacob Keller <jacob.e.keller@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-10devlink: add documentation for generic devlink parametersJacob Keller1-0/+11
A few generic devlink parameters have been added, but never documented. Fix that now. Signed-off-by: Jacob Keller <jacob.e.keller@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-10devlink: convert devlink-params.txt to reStructuredTextJacob Keller3-71/+91
Convert the generic parameters descriptions into the reStructuredText format. Signed-off-by: Jacob Keller <jacob.e.keller@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-10devlink: rename devlink-info-versions.rst and add a headerJacob Keller3-65/+95
Rename the devlink-info-versions.rst file to a plain devlink-info.rst file. Add additional paragraphs explaining what devlink-info is for, and the expectation that drivers use the generic names where plausible. Note that drivers which use non-standard info version names ought to document these in a driver-specific info-versions.rst file. Signed-off-by: Jacob Keller <jacob.e.keller@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-10devlink: convert devlink-health.txt to rst formatJacob Keller3-86/+115
Update the devlink-health documentation to use the newer ReStructuredText format. Note that it's unclear what OOB stood for, and it has been left as-is without a proper first-use expansion of the acronym. Signed-off-by: Jacob Keller <jacob.e.keller@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-10devlink: move devlink documentation to subfolderJacob Keller16-6/+19
Combine the documentation for devlink into a subfolder, and provide an index.rst file that can be used to generally describe devlink. Signed-off-by: Jacob Keller <jacob.e.keller@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-10devlink: add macro for "fw.psid"Jacob Keller1-0/+2
The "fw.psid" devlink info version is documented in devlink-info.rst, and used by one driver. However, there is no associated macro for this firmware version like there is for others. Add one now. Signed-off-by: Jacob Keller <jacob.e.keller@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-10r8169: factor out PHY configuration to r8169_phy_config.cHeiner Kallweit3-1292/+1308
Move chip-specific PHY configurations to separate source file r8169_phy_config.c. This improves maintainability of the driver. Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-10r8169: add r8169.hHeiner Kallweit2-64/+84
In preparation of factoring out PHY configuration to a separate source file move commonly used definitions to new header file r8169.h. Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-10r8169: rename rtl_apply_firmwareHeiner Kallweit1-16/+16
Rename rtl_apply_firmware() to r8169_apply_firmware() before exporting it to avoid namespace clashes with other drivers for Realtek hardware. Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-10r8169: add phydev argument to rtl8168d_apply_firmware_condHeiner Kallweit1-4/+5
Pass the phy_device as parameter to rtl8168d_apply_firmware_cond(), this avoids having to access rtl8169_private internals. Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-10r8169: use phy_read/write instead of rtl_readphy/writephyHeiner Kallweit1-54/+53
Replace rtl_writephy and rtl_readphy with the respective phylib functions. Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-10r8169: replace rtl_w0w1_phyHeiner Kallweit1-22/+12
Replace rtl_w0w1_phy with phylib functions. Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-10r8169: replace rtl_patchphyHeiner Kallweit1-26/+16
Replace rtl_patchphy with phylib functions. Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-10r8169: move disabling MAC EEE for RTL8402/RTL8106eHeiner Kallweit1-2/+6
Move configuring EEE on MAC side out of the PHY configuration. Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-10r8169: move setting ERI register 0x1d0 for RTL8106Heiner Kallweit1-2/+2
Writing this ERI register is a MAC setting, so move it to rtl_hw_start_8106(). Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-10r8169: switch to phylib functions in rtl_writephy_batchHeiner Kallweit1-18/+21
Switch rtl_writephy_batch() to phylib functions, as a result we can avoid passing a rtl8169_private parameter. Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-10r8169: change argument type of RTL8168g-specific PHY config functionsHeiner Kallweit1-14/+12
These functions use only the phy_device member of rtl8169_private, so we can pass the phy_device as parameter directly. Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-10r8169: change argument type of EEE PHY functionsHeiner Kallweit1-24/+18
These functions use only the phy_device member of rtl8169_private, so we can pass the phy_device as parameter directly. Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-10r8169: move RTL8169scd Gigabyte PHY quirkHeiner Kallweit1-13/+5
In preparation of factoring out rtl8169scd_hw_phy_config() move this quirk to rtl8169_init_phy(). Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-10r8169: remove not needed debug print in rtl8169_init_phyHeiner Kallweit1-5/+4
Remove a useless debug statement. This also allows to remove the net_device parameter from rtl8169_init_phy(). Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-10r8169: prepare for exporting rtl_hw_phy_configHeiner Kallweit1-100/+117
In preperation of factoring out the PHY configuration to a separate source file this patch: - avoids accessing rtl8169_private internals by passing the phy_device and mac_version as separate parameters - renames rtl_hw_phy_config to r8169_hw_phy_config to avoid namespace clashes with other drivers for Realtek hardware Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-10net: stmmac: gmac5+: Fix missing returnJose Abreu1-0/+1
If FPE is supposed to be disabled we need to return after disabling it. Fixes: 7c7282746883 ("net: stmmac: gmac5+: Add support for Frame Preemption") Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-10net: stmmac: xgmac: Fix missing returnJose Abreu1-0/+1
If FPE is supposed to be disabled we need to return after disabling it. Fixes: f0e56c8d8f7d ("net: stmmac: xgmac3+: Add support for Frame Preemption") Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-10sfc: move RPS codeAlex Maftei (amaftei)8-276/+273
Includes a couple of filtering functions and also renames a constant. Style fixes included. Signed-off-by: Alexandru-Mihai Maftei <amaftei@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-10sfc: move yet more functionsAlex Maftei (amaftei)6-64/+66
Functions are not related. Signed-off-by: Alexandru-Mihai Maftei <amaftei@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-10sfc: move RSS codeAlex Maftei (amaftei)4-70/+72
Style fixes included. Signed-off-by: Alexandru-Mihai Maftei <amaftei@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-10sfc: move a couple more functionsAlex Maftei (amaftei)6-51/+56
Signed-off-by: Alexandru-Mihai Maftei <amaftei@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-10sfc: move some ethtool codeAlex Maftei (amaftei)4-442/+489
Various ethtool entry points are moved. Signed-off-by: Alexandru-Mihai Maftei <amaftei@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-10sfc: move various functionsAlex Maftei (amaftei)11-76/+88
Signed-off-by: Alexandru-Mihai Maftei <amaftei@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-10sfc: move more rx codeAlex Maftei (amaftei)4-208/+224
Page recycling code and GRO packet receipt code were moved. One function contains code extracted from another. Code style fixes included. Signed-off-by: Alexandru-Mihai Maftei <amaftei@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-10sfc: move more tx codeAlex Maftei (amaftei)3-77/+78
The code that handles transmission finalization will also be common. Signed-off-by: Alexandru-Mihai Maftei <amaftei@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-10sfc: refactor selftest work init codeAlex Maftei (amaftei)3-3/+8
Signed-off-by: Alexandru-Mihai Maftei <amaftei@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-09skb: add helpers to allocate ext independently from sk_buffPaolo Abeni2-2/+36
Currently we can allocate the extension only after the skb, this change allows the user to do the opposite, will simplify allocation failure handling from MPTCP. Signed-off-by: Paolo Abeni <pabeni@redhat.com> Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-09tcp: clean ext on tx recyclePaolo Abeni1-0/+1
Otherwise we will find stray/unexpected/old extensions value on next iteration. On tcp_write_xmit() we can end-up splitting an already queued skb in two parts, via tso_fragment(). The newly created skb can be allocated via the tx cache and an upper layer will not be aware of it, so that upper layer cannot set the ext properly. Resetting the ext on recycle ensures that stale data is not propagated in to packet headers or elsewhere. An alternative would be add an additional hook in tso_fragment() or in sk_stream_alloc_skb() to init the ext for upper layers that need it. Co-developed-by: Florian Westphal <fw@strlen.de> Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: Paolo Abeni <pabeni@redhat.com> Reviewed-by: Eric Dumazet <edumazet@google.com> Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-09tcp: Check for filled TCP option space before SACKMat Martineau1-3/+7
Update the SACK check to work with zero option space available, a case that's possible with MPTCP but not MD5+TS. Maintained only one conditional branch for insufficient SACK space. v1 -> v2: - Moves the check inside the SACK branch by taking recent SACK fix: 9424e2e7ad93 (tcp: md5: fix potential overestimation of TCP option space) in to account, but modifies it to work in MPTCP scenarios beyond the MD5+TS corner case. Co-developed-by: Paolo Abeni <pabeni@redhat.com> Signed-off-by: Paolo Abeni <pabeni@redhat.com> Reviewed-by: Eric Dumazet <edumazet@google.com> Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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