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2022-07-28ixgbe: convert .adjfreq to .adjfineJacob Keller1-33/+40
Convert the ixgbe PTP frequency adjustment implementations from .adjfreq to .adjfine. This allows using the scaled parts per million adjustment from the PTP core and results in a more precise adjustment for small corrections. To avoid overflow, use mul_u64_u64_div_u64 to perform the calculation. On X86 platforms, this will use instructions that perform the operations with 128bit intermediate values. For other architectures, the implementation will limit the loss of precision as much as possible. This change slightly improves the precision of frequency adjustments for all ixgbe based devices, and gets us one driver closer to being able to remove the older .adjfreq implementation from the kernel. Signed-off-by: Jacob Keller <jacob.e.keller@intel.com> Tested-by: Gurucharan <gurucharanx.g@intel.com> (A Contingent worker at Intel) Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2022-07-28i40e: convert .adjfreq to .adjfineJacob Keller1-10/+12
The i40e driver currently implements the .adjfreq handler for frequency adjustments. This takes the adjustment parameter in parts per billion. The PTP core supports .adjfine which provides an adjustment in scaled parts per million. This has a higher resolution and can result in more precise adjustments for small corrections. Convert the existing .adjfreq implementation to the newer .adjfine implementation. This is trivial since it just requires changing the divisor from 1000000000ULL to (1000000ULL << 16) in the mul_u64_u64_div_u64 call. This improves the precision of the adjustments and gets us one driver closer to removing the old .adjfreq support from the kernel. Signed-off-by: Jacob Keller <jacob.e.keller@intel.com> Tested-by: Gurucharan <gurucharanx.g@intel.com> (A Contingent worker at Intel) Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2022-07-28i40e: use mul_u64_u64_div_u64 for PTP frequency calculationJacob Keller1-13/+4
The i40e device has a different clock rate depending on the current link speed. This requires using a different increment rate for the PTP clock registers. For slower link speeds, the base increment value is larger. Directly multiplying the larger increment value by the parts per billion adjustment might overflow. To avoid this, the i40e implementation defaults to using the lower increment value and then multiplying the adjustment afterwards. This causes a loss of precision for lower link speeds. We can fix this by using mul_u64_u64_div_u64 instead of performing the multiplications using standard C operations. On X86, this will use special instructions that perform the multiplication and division with 128bit intermediate values. For other architectures, the fallback implementation will limit the loss of precision for large values. Small adjustments don't overflow anyways and won't lose precision at all. This allows first multiplying the base increment value and then performing the adjustment calculation, since we no longer fear overflowing. It also makes it easier to convert to the even more precise .adjfine implementation in a following change. Signed-off-by: Jacob Keller <jacob.e.keller@intel.com> Tested-by: Gurucharan <gurucharanx.g@intel.com> (A Contingent worker at Intel) Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2022-07-28e1000e: convert .adjfreq to .adjfineJacob Keller3-10/+11
The PTP implementation for the e1000e driver uses the older .adjfreq method. This method takes an adjustment in parts per billion. The newer .adjfine implementation uses scaled_ppm. The use of scaled_ppm allows for finer grained adjustments and is preferred over using the older implementation. Make use of mul_u64_u64_div_u64 in order to handle possible overflow of the multiplication used to calculate the desired adjustment to the hardware increment value. Signed-off-by: Jacob Keller <jacob.e.keller@intel.com> Tested-by: Naama Meir <naamax.meir@linux.intel.com> Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2022-07-28e1000e: remove unnecessary range check in e1000e_phc_adjfreqJacob Keller1-3/+0
The e1000e_phc_adjfreq function validates that the input delta is within the maximum range. This is already handled by the core PTP code and this is a duplicate and thus unnecessary check. It also complicates refactoring to use the newer .adjfine implementation, where the input is no longer specified in parts per billion. Remove the range validation check. Signed-off-by: Jacob Keller <jacob.e.keller@intel.com> Tested-by: Naama Meir <naamax.meir@linux.intel.com> Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2022-07-28ice: implement adjfine with mul_u64_u64_div_u64Jacob Keller1-13/+3
The PTP frequency adjustment code needs to determine an appropriate adjustment given an input scaled_ppm adjustment. We calculate the adjustment to the register by multiplying the base (nominal) increment value by the scaled_ppm and then dividing by the scaled one million value. For very large adjustments, this might overflow. To avoid this, both the scaled_ppm and divisor values are downshifted. We can avoid that on X86 architectures by using mul_u64_u64_div_u64. This helper function will perform the multiplication and division with 128bit intermediate values. We know that scaled_ppm is never larger than the divisor so this operation will never result in an overflow. This improves the accuracy of the calculations for large adjustment values on X86. It is likely an improvement on other architectures as well because the default implementation of mul_u64_u64_div_u64 is smarter than the original approach taken in the ice code. Additionally, this implementation is easier to read, using fewer local variables and lines of code to implement. Signed-off-by: Jacob Keller <jacob.e.keller@intel.com> Tested-by: Gurucharan <gurucharanx.g@intel.com> (A Contingent worker at Intel) Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2022-07-28net: cdns,macb: use correct xlnx prefix for XilinxKrzysztof Kozlowski1-3/+5
Use correct vendor for Xilinx versions of Cadence MACB/GEM Ethernet controller. The Versal compatible was not released, so it can be changed. Zynq-7xxx and Ultrascale+ has to be kept in new and deprecated form. Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Acked-by: Harini Katakam <harini.katakam@amd.com> Link: https://lore.kernel.org/r/20220726070802.26579-2-krzysztof.kozlowski@linaro.org Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2022-07-28dt-bindings: net: cdns,macb: use correct xlnx prefix for XilinxKrzysztof Kozlowski1-2/+9
Use correct vendor for Xilinx versions of Cadence MACB/GEM Ethernet controller. The Versal compatible was not released, so it can be changed. Zynq-7xxx and Ultrascale+ has to be kept in new and deprecated form. Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Reviewed-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/20220726070802.26579-1-krzysztof.kozlowski@linaro.org Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2022-07-28add missing includes and forward declarations to networking includes under linux/Jakub Kicinski18-6/+57
Similarly to a recent include/net/ cleanup, this patch adds missing includes to networking headers under include/linux. All these problems are currently masked by the existing users including the missing dependency before the broken header. Link: https://lore.kernel.org/all/20220723045755.2676857-1-kuba@kernel.org/ v1 Signed-off-by: Jakub Kicinski <kuba@kernel.org> Link: https://lore.kernel.org/r/20220726215652.158167-1-kuba@kernel.org Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2022-07-28Revert "Merge branch 'octeontx2-minor-tc-fixes'"Paolo Abeni1-73/+33
This reverts commit 35d099da41967f114c6472b838e12014706c26e7, reversing changes made to 58d8bcd47ecc55f1ab92320fe36c31ff4d83cc0c. I wrongly applied that to the net-next tree instead of the intended target tree (net). Reverting it on net-next. Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2022-07-27net: dsa: mv88e6xxx: fix speed setting for CPU/DSA portsMarcin Wojtas1-1/+6
Commit 3c783b83bd0f ("net: dsa: mv88e6xxx: get rid of SPEED_MAX setting") stopped relying on SPEED_MAX constant and hardcoded speed settings for the switch ports and rely on phylink configuration. It turned out, however, that when the relevant code is called, the mac_capabilites of CPU/DSA port remain unset. mv88e6xxx_setup_port() is called via mv88e6xxx_setup() in dsa_tree_setup_switches(), which precedes setting the caps in phylink_get_caps down in the chain of dsa_tree_setup_ports(). As a result the mac_capabilites are 0 and the default speed for CPU/DSA port is 10M at the start. To fix that, execute mv88e6xxx_get_caps() and obtain the capabilities driectly. Fixes: 3c783b83bd0f ("net: dsa: mv88e6xxx: get rid of SPEED_MAX setting") Signed-off-by: Marcin Wojtas <mw@semihalf.com> Reviewed-by: Vladimir Oltean <olteanv@gmail.com> Link: https://lore.kernel.org/r/20220726230918.2772378-1-mw@semihalf.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-07-27net: devlink: remove redundant net_eq() check from sb_pool_get_dumpit()Jiri Pirko1-2/+1
The net_eq() check is already performed inside devlinks_xa_for_each_registered_get() helper, so remove the redundant appearance. Signed-off-by: Jiri Pirko <jiri@nvidia.com> Link: https://lore.kernel.org/r/20220727055912.568391-1-jiri@resnulli.us Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-07-27dt-bindings: net: hirschmann,hellcreek: use absolute path to other schemaKrzysztof Kozlowski1-1/+1
Absolute path to other DT schema is preferred over relative one. Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Acked-by: Kurt Kanzenbach <kurt@linutronix.de> Acked-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/20220726115650.100726-1-krzysztof.kozlowski@linaro.org Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-07-27net/sched: sch_cbq: change the type of cbq_set_lss to voidZhengchao Shao1-2/+1
Change the type of cbq_set_lss to void. Signed-off-by: Zhengchao Shao <shaozhengchao@huawei.com> Link: https://lore.kernel.org/r/20220726030748.243505-1-shaozhengchao@huawei.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-07-27net/smc: Enable module load on netlink usageStefan Raspl2-0/+2
Previously, the smc and smc_diag modules were automatically loaded as dependencies of the ism module whenever an ISM device was present. With the pending rework of the ISM API, the smc module will no longer automatically be loaded in presence of an ISM device. Usage of an AF_SMC socket will still trigger loading of the smc modules, but usage of a netlink socket will not. This is addressed by setting the correct module aliases. Signed-off-by: Stefan Raspl <raspl@linux.ibm.com> Signed-off-by: Wenjia Zhang < wenjia@linux.ibm.com> Reviewed-by: Tony Lu <tonylu@linux.alibaba.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-07-27net/smc: Pass on DMBE bit mask in IRQ handlerStefan Raspl3-5/+7
Make the DMBE bits, which are passed on individually in ism_move() as parameter idx, available to the receiver. Signed-off-by: Stefan Raspl <raspl@linux.ibm.com> Signed-off-by: Wenjia Zhang < wenjia@linux.ibm.com> Reviewed-by: Tony Lu <tonylu@linux.alibaba.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-07-27s390/ism: CleanupsStefan Raspl3-8/+7
Reworked signature of the function to retrieve the system EID: No plausible reason to use a double pointer. And neither to pass in the device as an argument, as this identifier is by definition per system, not per device. Plus some minor consistency edits. Signed-off-by: Stefan Raspl <raspl@linux.ibm.com> Signed-off-by: Wenjia Zhang < wenjia@linux.ibm.com> Reviewed-by: Tony Lu <tonylu@linux.alibaba.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-07-27net/smc: Eliminate struct smc_ism_positionHeiko Carstens3-27/+14
This struct is used in a single place only, and its usage generates inefficient code. Time to clean up! Signed-off-by: Heiko Carstens <hca@linux.ibm.com> Reviewed-and-tested-by: Stefan Raspl <raspl@linux.ibm.com> Signed-off-by: Wenjia Zhang < wenjia@linux.ibm.com> Reviewed-by: Tony Lu <tonylu@linux.alibaba.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-07-27net: dsa: microchip: add support for phylink mac configArun Ramadoss6-33/+21
This patch add support for phylink mac config for ksz series of switches. All the files ksz8795, ksz9477 and lan937x uses the ksz common xmii function. Instead of calling from the individual files, it is moved to the ksz common phylink mac config function. Signed-off-by: Arun Ramadoss <arun.ramadoss@microchip.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-07-27net: dsa: microchip: ksz8795: use common xmii functionArun Ramadoss2-42/+1
This patch updates the ksz8795 cpu configuration to use the ksz common xmii set functions. Signed-off-by: Arun Ramadoss <arun.ramadoss@microchip.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-07-27net: dsa: microchip: ksz9477: use common xmii functionArun Ramadoss4-167/+49
In ksz9477.c file, configuring the xmii register is performed based on the flag NEW_XMII. The flag is reset for ksz9893 switch and set for other switch. This patch uses the ksz common xmii set and get function. The bit values are configured based on the chip id. Signed-off-by: Arun Ramadoss <arun.ramadoss@microchip.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-07-27net: dsa: microchip: apply rgmii tx and rx delay in phylink mac configArun Ramadoss5-1/+130
This patch read the rgmii tx and rx delay from device tree and stored it in the ksz_port. It applies the rgmii delay to the xmii tune adjust register based on the interface selected in phylink mac config. There are two rgmii port in LAN937x and value to be loaded in the register vary depends on the port selected. Signed-off-by: Arun Ramadoss <arun.ramadoss@microchip.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-07-27net: dsa: microchip: lan937x: add support for configuing xMII registerArun Ramadoss4-40/+53
This patch add the common ksz_set_xmii function for ksz series switch and update the lan937x code phylink mac config. The register address for the ksz8795 is Port 5 Interface control 6 and for all other switch is xMII Control 1. The bit value for selecting the interface is same for KSZ8795 and KSZ9893 are same. The bit values for KSZ9477 and lan973x are same. So, this patch add the bit value for each switches in ksz_chip_data and configure the registers based on the chip id. Signed-off-by: Arun Ramadoss <arun.ramadoss@microchip.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-07-27net: dsa: microchip: add support for common phylink mac link upArun Ramadoss4-33/+16
This patch add the support for common phylink mac link up for the ksz series switch. The register address, bit position and values are configured based on the chip id to the dev->info structure. Signed-off-by: Arun Ramadoss <arun.ramadoss@microchip.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-07-27net: dsa: microchip: add common duplex and flow control functionArun Ramadoss5-23/+57
This patch add common function for configuring the Full/Half duplex and transmit/receive flow control. KSZ8795 uses the Global control register 4 for configuring the duplex and flow control, whereas all other KSZ9477 based switch uses the xMII Control 0 register. Signed-off-by: Arun Ramadoss <arun.ramadoss@microchip.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-07-27net: dsa: microchip: add common ksz port xmii speed selection functionArun Ramadoss5-15/+69
This patch adds the function for configuring the 100/10Mbps speed selection for the ksz switches. KSZ8795 switch uses Global control 4 register 0x06 bit 4 for choosing 100/10Mpbs. Other switches uses xMII control 1 0xN300 for it. For KSZ8795, if the bit is set then 10Mbps is chosen and if bit is clear then 100Mbps chosen. For all other switches it is other way around, if the bit is set then 100Mbps is chosen. So, this patch add the generic function for ksz switch to select the 100/10Mbps speed selection. While configuring, first it disables the gigabit functionality and then configure the respective speed. Signed-off-by: Arun Ramadoss <arun.ramadoss@microchip.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-07-27net: dsa: microchip: add common gigabit set and get functionArun Ramadoss6-48/+82
This patch add helper function for setting and getting the gigabit enable for the ksz series switch. KSZ8795 switch has different register address compared to all other ksz switches. KSZ8795 series uses the Port 5 Interface control 6 Bit 6 for configuring the 1Gbps or 100/10Mbps speed selection. All other switches uses the xMII control 1 0xN301 register Bit6 for gigabit. Further, for KSZ8795 & KSZ9893 switches if bit 1 then 1Gbps is chosen and if bit 0 then 100/10Mbps is chosen. It is other way around for other switches bit 0 is for 1Gbps. So, this patch implements the common function for configuring the gigabit set and get capability. Signed-off-by: Arun Ramadoss <arun.ramadoss@microchip.com> Reviewed-by: Vladimir Oltean <olteanv@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-07-26selftests: net: Fix typo 'the the' in commentSlark Xiao1-1/+1
Replace 'the the' with 'the' in the comment. Signed-off-by: Slark Xiao <slark_xiao@163.com> Link: https://lore.kernel.org/r/20220725020124.5760-1-slark_xiao@163.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-07-26ip6mr: remove stray rcu_read_unlock() from ip6_mr_forward()Eric Dumazet1-3/+1
One rcu_read_unlock() should have been removed in blamed commit. Fixes: 9b1c21d898fd ("ip6mr: do not acquire mrt_lock while calling ip6_mr_forward()") Reported-by: Vladimir Oltean <olteanv@gmail.com> Signed-off-by: Eric Dumazet <edumazet@google.com> Reviewed-by: Vladimir Oltean <olteanv@gmail.com> Link: https://lore.kernel.org/r/20220725200554.2563581-1-eric.dumazet@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-07-26tls: rx: do not use the standard strparserJakub Kicinski5-69/+558
TLS is a relatively poor fit for strparser. We pause the input every time a message is received, wait for a read which will decrypt the message, start the parser, repeat. strparser is built to delineate the messages, wrap them in individual skbs and let them float off into the stack or a different socket. TLS wants the data pages and nothing else. There's no need for TLS to keep cloning (and occasionally skb_unclone()'ing) the TCP rx queue. This patch uses a pre-allocated skb and attaches the skbs from the TCP rx queue to it as frags. TLS is careful never to modify the input skb without CoW'ing / detaching it first. Since we call TCP rx queue cleanup directly we also get back the benefit of skb deferred free. Overall this results in a 6% gain in my benchmarks. Acked-by: Paolo Abeni <pabeni@redhat.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-07-26tls: rx: device: add input CoW helperJakub Kicinski3-10/+21
Wrap the remaining skb_cow_data() into a helper, so it's easier to replace down the lane. The new version will change the skb so make sure relevant pointers get reloaded after the call. Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-07-26tcp: allow tls to decrypt directly from the tcp rcv queueJakub Kicinski2-1/+43
Expose TCP rx queue accessor and cleanup, so that TLS can decrypt directly from the TCP queue. The expectation is that the caller can access the skb returned from tcp_recv_skb() and up to inq bytes worth of data (some of which may be in ->next skbs) and then call tcp_read_done() when data has been consumed. The socket lock must be held continuously across those two operations. Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-07-26tls: rx: device: keep the zero copy status with offloadJakub Kicinski3-5/+35
The non-zero-copy path assumes a full skb with decrypted contents. This means the device offload would have to CoW the data. Try to keep the zero-copy status instead, copy the data to user space. Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-07-26tls: rx: don't free the output in case of zero-copyJakub Kicinski1-13/+13
In the future we'll want to reuse the input skb in case of zero-copy so we shouldn't always free darg.skb. Move the freeing of darg.skb into the non-zc cases. All cases will now free ctx->recv_pkt (inside let tls_rx_rec_done()). Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-07-26tls: rx: factor SW handling out of tls_rx_one_record()Jakub Kicinski1-36/+57
After recent changes the SW side of tls_rx_one_record() can be nicely encapsulated in its own function. Move the pad handling as well. This will be useful for ->zc handling in tls_decrypt_device(). Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-07-26tls: rx: wrap recv_pkt accesses in helpersJakub Kicinski2-5/+11
To allow for the logic to change later wrap accesses which interrogate the input skb in helper functions. Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-07-26selftests: mlxsw: Check line card info on activated line cardJiri Pirko1-0/+24
Once line card is activated, check the FW version and PSID are exposed. Signed-off-by: Jiri Pirko <jiri@nvidia.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-07-26selftests: mlxsw: Check line card info on provisioned line cardJiri Pirko1-0/+30
Once line card is provisioned, check if HW revision and INI version are exposed on associated nested auxiliary device. Signed-off-by: Jiri Pirko <jiri@nvidia.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-07-26mlxsw: core_linecards: Implement line card device flashingJiri Pirko4-10/+323
Implement flash_update() devlink op for the line card devlink instance to allow user to update line card gearbox FW using MDDT register and mlxfw. Example: $ devlink dev flash auxiliary/mlxsw_core.lc.0 file mellanox/fw-AGB-rel-19_2010_1312-022-EVB.mfa2 Signed-off-by: Jiri Pirko <jiri@nvidia.com> Reviewed-by: Ido Schimmel <idosch@nvidia.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-07-26mlxsw: core_linecards: Expose device PSID over device infoJiri Pirko3-0/+35
Use tunneled MGIR to obtain PSID of line card device and extend device_info_get() op to fill up the info with that. Example: $ devlink dev info auxiliary/mlxsw_core.lc.0 auxiliary/mlxsw_core.lc.0: versions: fixed: hw.revision 0 fw.psid MT_0000000749 running: ini.version 4 fw 19.2010.1312 Signed-off-by: Jiri Pirko <jiri@nvidia.com> Reviewed-by: Ido Schimmel <idosch@nvidia.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-07-26mlxsw: reg: Add Management DownStream Device Tunneling RegisterJiri Pirko1-0/+90
The MDDT register allows to deliver query and request messages (PRM registers, commands) to a DownStream device. Signed-off-by: Jiri Pirko <jiri@nvidia.com> Signed-off-by: Ido Schimmel <idosch@nvidia.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-07-26mlxsw: core_linecards: Probe active line cards for devices and expose FW versionJiri Pirko3-0/+69
In case the line card is active, go over all possible existing devices (gearboxes) on it and expose FW version of the flashable one. Example: $ devlink dev info auxiliary/mlxsw_core.lc.0 auxiliary/mlxsw_core.lc.0: versions: fixed: hw.revision 0 running: ini.version 4 fw 19.2010.1312 Signed-off-by: Jiri Pirko <jiri@nvidia.com> Reviewed-by: Ido Schimmel <idosch@nvidia.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-07-26mlxsw: reg: Extend MDDQ by device_infoJiri Pirko1-1/+82
Extend existing MDDQ register by possibility to query information about devices residing on a line card. Signed-off-by: Jiri Pirko <jiri@nvidia.com> Reviewed-by: Ido Schimmel <idosch@nvidia.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-07-26mlxsw: core_linecards: Expose HW revision and INI versionJiri Pirko4-0/+61
Implement info_get() to expose HW revision of a linecard and loaded INI version. Example: $ devlink dev info auxiliary/mlxsw_core.lc.0 auxiliary/mlxsw_core.lc.0: versions: fixed: hw.revision 0 running: ini.version 4 Signed-off-by: Jiri Pirko <jiri@nvidia.com> Reviewed-by: Ido Schimmel <idosch@nvidia.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-07-26mlxsw: core_linecards: Introduce per line card auxiliary deviceJiri Pirko6-3/+194
In order to be eventually able to expose line card gearbox version and possibility to flash FW, model the line card as a separate device on auxiliary bus. Add the auxiliary device for provisioned line card in order to be able to expose provisioned line card info over devlink dev info. When the line card becomes active, there may be other additional info added to the output. Signed-off-by: Jiri Pirko <jiri@nvidia.com> Reviewed-by: Ido Schimmel <idosch@nvidia.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-07-26net: devlink: introduce nested devlink entity for line cardJiri Pirko3-0/+46
For the purpose of exposing device info and allow flash update which is going to be implemented in follow-up patches, introduce a possibility for a line card to expose relation to nested devlink entity. The nested devlink entity represents the line card. Example: $ devlink lc show pci/0000:01:00.0 lc 1 pci/0000:01:00.0: lc 1 state active type 16x100G nested_devlink auxiliary/mlxsw_core.lc.0 supported_types: 16x100G $ devlink dev show auxiliary/mlxsw_core.lc.0 auxiliary/mlxsw_core.lc.0 Signed-off-by: Jiri Pirko <jiri@nvidia.com> Acked-by: Jakub Kicinski <kuba@kernel.org> Reviewed-by: Ido Schimmel <idosch@nvidia.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-07-26net: devlink: move net check into devlinks_xa_for_each_registered_get()Jiri Pirko1-96/+39
Benefit from having devlinks iterator helper devlinks_xa_for_each_registered_get() and move the net pointer check inside. Suggested-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: Jiri Pirko <jiri@nvidia.com> Reviewed-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-07-26net: devlink: make sure that devlink_try_get() works with valid pointer during xarray iterationJiri Pirko1-91/+80
Remove dependency on devlink_mutex during devlinks xarray iteration. The reason is that devlink_register/unregister() functions taking devlink_mutex would deadlock during devlink reload operation of devlink instance which registers/unregisters nested devlink instances. The devlinks xarray consistency is ensured internally by xarray. There is a reference taken when working with devlink using devlink_try_get(). But there is no guarantee that devlink pointer picked during xarray iteration is not freed before devlink_try_get() is called. Make sure that devlink_try_get() works with valid pointer. Achieve it by: 1) Splitting devlink_put() so the completion is sent only after grace period. Completion unblocks the devlink_unregister() routine, which is followed-up by devlink_free() 2) During devlinks xa_array iteration, get devlink pointer from xa_array holding RCU read lock and taking reference using devlink_try_get() before unlock. Signed-off-by: Jiri Pirko <jiri@nvidia.com> Reviewed-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-07-26ice: Add support for PPPoE hardware offloadMarcin Szycik6-2/+259
Add support for creating PPPoE filters in switchdev mode. Add support for parsing PPPoE and PPP-specific tc options: pppoe_sid and ppp_proto. Example filter: tc filter add dev $PF1 ingress protocol ppp_ses prio 1 flower pppoe_sid \ 1234 ppp_proto ip skip_sw action mirred egress redirect dev $VF1_PR Changes in iproute2 are required to use the new fields. ICE COMMS DDP package is required to create a filter as it contains PPPoE profiles. Added a warning message when loaded DDP package does not contain required profiles. Signed-off-by: Marcin Szycik <marcin.szycik@linux.intel.com> Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2022-07-26flow_offload: Introduce flow_match_pppoeWojciech Drewek2-0/+13
Allow to offload PPPoE filters by adding flow_rule_match_pppoe. Drivers can extract PPPoE specific fields from now on. Signed-off-by: Wojciech Drewek <wojciech.drewek@intel.com> Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>