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2020-09-28net: ipa: kill unused status exceptionsAlex Elder1-11/+3
Only the deaggregation status exception type is ever actually used. If any other status exception type is reported we basically ignore it, and consume the packet. Remove the unused definitions of status exception type symbols; they can be added back when we actually handle them. Separately, two consecutive if statements test the same condition near the top of ipa_endpoint_suspend_one(). Instead, use a single test with a block that combines the previously-separate lines of code. Signed-off-by: Alex Elder <elder@linaro.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-28net: ipa: kill unused status opcodesAlex Elder1-5/+1
Three status opcodes are not currently supported. Symbols representing their numeric values are defined but never used. Remove those unused definitions; they can be defined again when they actually get used. Signed-off-by: Alex Elder <elder@linaro.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-28net: ipa: kill definition of TRE_FLAGS_IEOB_FMASKAlex Elder1-1/+0
In "gsi_trans.c", the field mask TRE_FLAGS_IEOB_FMASK is defined but never used. Although there's no harm in defining this, remove it for now and redefine it at some future date if it becomes needed. This is warned about if "W=2" is added to the build command. Signed-off-by: Alex Elder <elder@linaro.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-28ibmvnic: create send_control_ip_offloadLijun Pan1-70/+80
Factor send_control_ip_offload out of handle_query_ip_offload_rsp. Signed-off-by: Lijun Pan <ljp@linux.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-28ibmvnic: create send_query_ip_offloadLijun Pan1-23/+29
Factor send_query_ip_offload out of handle_request_cap_rsp to pair with handle_query_ip_offload_rsp. Signed-off-by: Lijun Pan <ljp@linux.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-28ibmvnic: rename send_map_query to send_query_mapLijun Pan1-3/+3
The new name send_query_map pairs with handle_query_map_rsp. Signed-off-by: Lijun Pan <ljp@linux.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-28ibmvnic: rename ibmvnic_send_req_caps to send_request_capLijun Pan1-3/+3
The new name send_request_cap pairs with handle_request_cap_rsp. Signed-off-by: Lijun Pan <ljp@linux.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-28ibmvnic: rename send_cap_queries to send_query_capLijun Pan1-4/+4
The new name send_query_cap pairs with handle_query_cap_rsp. Signed-off-by: Lijun Pan <ljp@linux.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-28ibmvnic: set up 200GBPS speedLijun Pan2-2/+5
Set up the speed according to crq->query_phys_parms.rsp.speed. Fix IBMVNIC_10GBPS typo. Fixes: f8d6ae0d27ec ("ibmvnic: Report actual backing device speed and duplex values") Signed-off-by: Lijun Pan <ljp@linux.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-28atm: atmtcp: Constify atmtcp_v_dev_opsRikard Falkeborn1-1/+1
The only usage of atmtcp_v_dev_ops is to pass its address to atm_dev_register() which takes a pointer to const, and comparing its address to another address, which does not modify it. Make it const to allow the compiler to put it in read-only memory. Signed-off-by: Rikard Falkeborn <rikard.falkeborn@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-28ip6gre: avoid tx_error when sending MLD/DAD on external tunnelsDavide Caratti1-11/+22
similarly to what has been done with commit 9d149045b3c0 ("geneve: change from tx_error to tx_dropped on missing metadata"), avoid reporting errors to userspace in case the kernel doesn't find any tunnel information for a skb that is going to be transmitted: an increase of tx_dropped is enough. tested with the following script: # for t in ip6gre ip6gretap ip6erspan; do > ip link add dev gre6-test0 type $t external > ip address add dev gre6-test0 2001:db8::1/64 > ip link set dev gre6-test0 up > sleep 30 > ip -s -j link show dev gre6-test0 | jq \ > '.[0].stats64.tx | {"errors": .errors, "dropped": .dropped}' > ip link del dev gre6-test0 > done Reported-by: Jianlin Shi <jishi@redhat.com> Signed-off-by: Davide Caratti <dcaratti@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-28net/smc: CLC decline - V2 enhancementsUrsula Braun3-15/+30
This patch covers the small SMCD version 2 changes for CLC decline. Signed-off-by: Ursula Braun <ubraun@linux.ibm.com> Signed-off-by: Karsten Graul <kgraul@linux.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-28net/smc: introduce CLC first contact extensionUrsula Braun6-5/+91
SMC Version 2 defines a first contact extension for CLC accept and CLC confirm. This patch covers sending and receiving of the CLC first contact extension. Signed-off-by: Ursula Braun <ubraun@linux.ibm.com> Signed-off-by: Karsten Graul <kgraul@linux.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-28net/smc: CLC accept / confirm V2Ursula Braun3-57/+170
The new format of SMCD V2 CLC accept and confirm is introduced, and building and checking of SMCD V2 CLC accepts / confirms is adapted accordingly. Signed-off-by: Ursula Braun <ubraun@linux.ibm.com> Signed-off-by: Karsten Graul <kgraul@linux.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-28net/smc: determine accepted ISM devicesUrsula Braun4-34/+208
SMCD Version 2 allows to propose up to 8 additional ISM devices offered to the peer as candidates for SMCD communication. This patch covers the server side, i.e. selection of an ISM device matching one of the proposed ISM devices, that will be used for CLC accept Signed-off-by: Ursula Braun <ubraun@linux.ibm.com> Signed-off-by: Karsten Graul <kgraul@linux.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-28net/smc: build and send V2 CLC proposalUrsula Braun4-42/+210
The new format of an SMCD V2 CLC proposal is introduced, and building and checking of SMCD V2 CLC proposals is adapted accordingly. Signed-off-by: Ursula Braun <ubraun@linux.ibm.com> Signed-off-by: Karsten Graul <kgraul@linux.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-28net/smc: determine proposed ISM devicesUrsula Braun8-58/+135
SMCD Version 2 allows to propose up to 8 additional ISM devices offered to the peer as candidates for SMCD communication. This patch covers determination of the ISM devices to be proposed. ISM devices without PNETID are preferred, since ISM devices with PNETID are a V1 leftover and will disappear over the time. Signed-off-by: Ursula Braun <ubraun@linux.ibm.com> Signed-off-by: Karsten Graul <kgraul@linux.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-28net/smc: introduce list of pnetids for Ethernet devicesUrsula Braun3-7/+153
SMCD version 2 allows usage of ISM devices with hardware PNETID only, if an Ethernet net_device exists with the same hardware PNETID. This requires to maintain a list of pnetids belonging to Ethernet net_devices, which is covered by this patch. Signed-off-by: Ursula Braun <ubraun@linux.ibm.com> Signed-off-by: Karsten Graul <kgraul@linux.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-28net/smc: introduce CHID callback for ISM devicesUrsula Braun6-0/+22
With SMCD version 2 the CHIDs of ISM devices are needed for the CLC handshake. This patch provides the new callback to retrieve the CHID of an ISM device. Signed-off-by: Ursula Braun <ubraun@linux.ibm.com> Signed-off-by: Karsten Graul <kgraul@linux.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-28net/smc: introduce System Enterprise ID (SEID)Ursula Braun6-2/+73
SMCD version 2 defines a System Enterprise ID (short SEID). This patch contains the SEID creation and adds the callback to retrieve the created SEID. Signed-off-by: Ursula Braun <ubraun@linux.ibm.com> Signed-off-by: Karsten Graul <kgraul@linux.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-28net/smc: prepare for more proposed ISM devicesUrsula Braun6-44/+69
SMCD Version 2 allows proposing of up to 8 ISM devices in addition to the native ISM device of SMCD Version 1. This patch prepares the struct smc_init_info to deal with these additional 8 ISM devices. Signed-off-by: Ursula Braun <ubraun@linux.ibm.com> Signed-off-by: Karsten Graul <kgraul@linux.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-28net/smc: split CLC confirm/accept data to be sentUrsula Braun2-12/+15
When sending CLC confirm and CLC accept, separate the trailing part of the message from the initial part (to be prepared for future first contact extension). Signed-off-by: Ursula Braun <ubraun@linux.ibm.com> Signed-off-by: Karsten Graul <kgraul@linux.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-28net/smc: separate find device functionsUrsula Braun3-46/+84
This patch provides better separation of device determinations in function smc_listen_work(). No functional change. Signed-off-by: Ursula Braun <ubraun@linux.ibm.com> Signed-off-by: Karsten Graul <kgraul@linux.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-28net/smc: CLC header fields renamingUrsula Braun3-23/+25
SMCD version 2 defines 2 more bits in the CLC header to specify version 2 types. This patch prepares better naming of the CLC header fields. No functional change. Signed-off-by: Ursula Braun <ubraun@linux.ibm.com> Signed-off-by: Karsten Graul <kgraul@linux.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-28net/smc: remove constant and introduce helper to check for a pnet idKarsten Graul1-8/+12
Use the existing symbol _S instead of SMC_ASCII_BLANK, and introduce a helper to check if a pnetid is set. No functional change. Signed-off-by: Karsten Graul <kgraul@linux.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-28net: Use kobj_to_dev() APIWang Qing1-2/+2
Use kobj_to_dev() instead of container_of(). Signed-off-by: Wang Qing <wangqing@vivo.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-28net: mvneta: try to use in-irq pp cache in mvneta_txq_bufs_freeLorenzo Bianconi1-4/+7
Try to recycle the xdp tx buffer into the in-irq page_pool cache if mvneta_txq_bufs_free is executed in the NAPI context for XDP_TX use case Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-28e1000e: Add support for Meteor LakeSasha Neftin5-0/+21
Add devices IDs for the next LOM generations that will be available on the next Intel Client platform (Meteor Lake) This patch provides the initial support for these devices Signed-off-by: Sasha Neftin <sasha.neftin@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2020-09-28igc: Clean up nvm_info structureSasha Neftin1-3/+0
flash_bank_size and flash_base_addr field not in use and can be removed from a nvm_info structure Signed-off-by: Sasha Neftin <sasha.neftin@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2020-09-28igc: Reject schedules with a base_time in the futureVinicius Costa Gomes1-2/+23
When we set the BASET registers of i225 with a base_time in the future, i225 will "hold" all packets until that base_time is reached, causing a lot of TX Hangs. As this behaviour seems contrary to the expectations of the IEEE 802.1Q standard (section 8.6.9, especially 8.6.9.4.5), let's start by rejecting these types of schedules. If this is too limiting, we can for example, setup a timer to configure the BASET registers closer to the start time, only blocking the packets for a "short" while. Signed-off-by: Vinicius Costa Gomes <vinicius.gomes@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2020-09-28igc: Export a way to read the PTP timerVinicius Costa Gomes2-4/+4
The next patch will need a way to retrieve the current timestamp from the NIC's PTP clock. The 'i225' suffix is removed, if anything model specific is needed, those specifics should be hidden by this function. Signed-off-by: Vinicius Costa Gomes <vinicius.gomes@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2020-09-28igc: Remove reset disable flagSasha Neftin1-1/+0
Boolean reset disable flag not applicable for i225 device and could be removed. Signed-off-by: Sasha Neftin <sasha.neftin@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2020-09-28igc: Save PTP time before a resetVinicius Costa Gomes3-3/+29
Many TSN features depend on the internal PTP clock, so the internal PTP jumping when the adapter is reset can cause problems, usually in the form of "TX Hangs" warnings in the driver. The solution is to save the PTP time before a reset and restore it after the reset is done. The value of the PTP time is saved before a reset and we use the difference from CLOCK_MONOTONIC from reset time to now, to correct what's going to be the new PTP time. This is heavily inspired by commit bf4bf09bdd91 ("i40e: save PTP time before a device reset"). Signed-off-by: Vinicius Costa Gomes <vinicius.gomes@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2020-09-28igc: Remove references to SYSTIMR registerVinicius Costa Gomes1-10/+2
In i225, it's no longer necessary to use the SYSTIMR register to latch the timer value, the timestamp is latched when SYSTIML is read. Signed-off-by: Vinicius Costa Gomes <vinicius.gomes@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2020-09-28igc: Expose LPI countersSasha Neftin3-0/+7
Completion to commit 900d1e8b346b ("igc: Add LPI counters") LPI counters exposed by statistics update method. A EEE TX LPI counter reflect the transmitter entries EEE (IEEE 802.3az) into the LPI state. A EEE RX LPI counter reflect the receiver link partner entries into EEE(IEEE 802.3az) LPI state. Signed-off-by: Sasha Neftin <sasha.neftin@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2020-09-28igc: Clean RX descriptor error flagsAndre Guedes2-16/+3
i225 advanced receive descriptor doesn't have the following extend error bits: CE, SE, SEQ, CXE. In addition to that, the bit TCPE is called L4E in the datasheet. Clean up the code accordingly, and get rid of the macro IGC_RXDEXT_ERR_FRAME_ERR_MASK since it doesn't make much sense anymore. Signed-off-by: Andre Guedes <andre.guedes@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2020-09-28igc: Remove timeout check from ptp_tx workAndre Guedes1-6/+0
The Tx timestamp timeout is already checked by the watchdog_task which runs periodically. In addition to that, from the ptp_tx work perspective, if __IGC_PTP_TX_IN_PROGRESS flag is set we always want handle the timestamp stored in hardware and update the skb. So remove the timeout check in igc_ptp_tx_work() function. Signed-off-by: Andre Guedes <andre.guedes@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2020-09-28igc: Don't reschedule ptp_tx workAndre Guedes1-5/+4
The ptp_tx work is scheduled only if TSICR.TXTS bit is set, therefore TSYNCTXCTL.TXTT_0 bit is expected to be set when we check it igc_ptp_tx_ work(). If it isn't, something is really off and rescheduling the ptp_tx work to check it later doesn't help much. This patch changes the code to WARN_ON_ONCE() if this situation ever happens. Signed-off-by: Andre Guedes <andre.guedes@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2020-09-28igc: Rename IGC_TSYNCTXCTL_VALID macroAndre Guedes2-2/+2
Rename the IGC_TSYNCTXCTL_VALID macro to IGC_TSYNCTXCTL_TXTT_0 so it matches the datasheet. Signed-off-by: Andre Guedes <andre.guedes@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2020-09-28igc: Add new device ID'sSasha Neftin3-0/+15
Add new device ID's for the next step of the silicon and reflect i221 and i226 parts Signed-off-by: Sasha Neftin <sasha.neftin@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2020-09-28igb: read PBA number from flashGal Hammer1-1/+3
Fixed flash presence check for 82576 controllers so the part number string is read and displayed correctly. Signed-off-by: Gal Hammer <ghammer@redhat.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2020-09-28igb: add XDP supportSven Auhagen3-36/+481
Add XDP support to the IGB driver. The implementation follows the IXGBE XDP implementation closely and I used the following patches as basis: 1. commit 924708081629 ("ixgbe: add XDP support for pass and drop actions") 2. commit 33fdc82f0883 ("ixgbe: add support for XDP_TX action") 3. commit ed93a3987128 ("ixgbe: tweak page counting for XDP_REDIRECT") Due to the hardware constraints of the devices using the IGB driver we must share the TX queues with XDP which means locking the TX queue for XDP. I ran tests on an older device to get better numbers. Test machine: Intel(R) Atom(TM) CPU C2338 @ 1.74GHz (2 Cores) 2x Intel I211 Routing Original Driver Network Stack: 382 Kpps Routing XDP Redirect (xdp_fwd_kern): 1.48 Mpps XDP Drop: 1.48 Mpps Using XDP we can achieve line rate forwarding even on an older Intel Atom CPU. Signed-off-by: Sven Auhagen <sven.auhagen@voleatech.de> Tested-by: Sandeep Penigalapati <sandeep.penigalapati@intel.com> Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2020-09-28docs: vxlan: add info about device featuresJakub Kicinski1-0/+28
Add some information about VxLAN-related netdev features and how to dump port table via ethtool. Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-28selftests: net: add a test for static UDP tunnel portsJakub Kicinski1-0/+58
Check UDP_TUNNEL_NIC_INFO_STATIC_IANA_VXLAN works as expected. Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-28netdevsim: support the static IANA VXLAN port flagJakub Kicinski2-0/+5
Allow setting UDP_TUNNEL_NIC_INFO_STATIC_IANA_VXLAN. Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-28ice: convert to new udp_tunnel infrastructureJakub Kicinski5-206/+135
Convert ice to the new infra, use share port tables. Leave a tiny bit more error checking in place than usual, because this driver really does quite a bit of magic. We need to calculate the number of VxLAN and GENEVE entries the firmware has reserved. Thanks to the conversion the driver will no longer sleep in an atomic section. Signed-off-by: Jakub Kicinski <kuba@kernel.org> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-28ice: remove unused args from ice_get_open_tunnel_port()Jakub Kicinski4-12/+6
ice_get_open_tunnel_port() is always passed TNL_ALL as the second parameter. Signed-off-by: Jakub Kicinski <kuba@kernel.org> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-28i40e: convert to new udp_tunnel infrastructureJakub Kicinski2-219/+51
Make use of the "shared port table" to convert i40e to the new infra. i40e did not have any reference tracking, locking is also dodgy because rtnl gets released while talking to FW, so port may get removed from the table while it's getting added etc. On the good side i40e does not seem to be using the ports for TX so we can remove the table from the driver state completely. Signed-off-by: Jakub Kicinski <kuba@kernel.org> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-28selftests: net: add a test for shared UDP tunnel info tablesJakub Kicinski1-0/+109
Add a test run of checks validating the shared UDP tunnel port tables function as we expect. Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-28netdevsim: shared UDP tunnel port table supportJakub Kicinski2-2/+22
Add the ability to simulate a device with a shared UDP tunnel port table. Try to reject the configurations and actions which are not supported by the core, so we don't get syzcaller etc. warning reports. Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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