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* cxgbe: Fix the RSS buildMark Johnston2025-11-241-1/+1
| | | | | | | When "options RSS" is configured, opt_rss.h defines the "RSS" token. PR: 291068 Fixes: 17b4a0acfaf5 ("cxgbe(4): T7 related updates to shared code")
* cxgbe(4): Skip non-existent blocks in the interrupt handlerNavdeep Parhar2025-11-131-2/+8
| | | | | | Fixes: 7b80c8b7d8d9 cxgbe(4): Expanded interrupt handling for T7 MFC after: 1 week Sponsored by: Chelsio Communications
* cxgbe(4): Expanded interrupt handling for T7Navdeep Parhar2025-11-132-293/+1196
| | | | | | | | | | | | | | | | | - Catch up with the new cause/perr registers. The high level approach is the same but the T7 has an extra top level INT_CAUSE concentrator and a PERR_CAUSE concentrator with a changed layout. - Add various flags to control the interrupt handlers' behavior. - Implement a t4_intr_clear that internally use the slow handler as an iterator over known cause/perr registers. This lets the driver clear all of the interrupt sources that it knows about. The firmware sets up the interrupt enables and clears the causes normally so this call should be redundant. MFC after: 1 week Sponsored by: Chelsio Communications
* cxgbe(4): T7 related updates to shared codeNavdeep Parhar2025-11-133-111/+653
| | | | | | | | | | - Avoid some more registers with read side-effects during regdump. - mps_tcam_size is 3x the size of T6/T5. - Update rss_rd_row to work with T7. Obtained from: Chelsio Communications MFC after: 1 week Sponsored by: Chelsio Communications
* cxgbe(4): hw/fw headers and shared code for the Terminator 7 ASICNavdeep Parhar2025-09-297-2058/+30693
| | | | | | | | | | | | | | | | | | This is the first of a series of commits that will add T7 support to cxgbe. The ASIC is gen5x16 on the PCIe side and has a 400Gbps MAC on the Ethernet side. NICs using the T7 will come in the following variants: * 1 x 400Gbps with QSFP-DD connector * 2 x 200/100/40Gbps with QSFP56/QSFP28/QSFP+ connectors * 4 x 50/25/10/1Gbps with SFP28/SFP+/SFP connectors There are 8 general purpose ARM A72 cores available on select SmartNIC/DPU boards. Obtained from: Chelsio Communications MFC after: 3 days Sponsored by: Chelsio Communications
* cxgbe(4): Use hw_port and tx_chan correctly all over the driverNavdeep Parhar2025-09-291-10/+6
| | | | | | | | | | | | | | | | | | | | The port's tx channel and its hardware index are different things that happen to have the same value on NICs using T4 through T6. This is going to change so use the correct spelling all over the driver. Specifically, the firmware expects the hw port index in all of these: * PCIe channel for queues * TX interface for TX CPLs * PORTID in FW_PORT commands * PORTID in t4_alloc_vi * flowid in all the firmware flowc WRs * mbox commands that deal with the tx scheduler Also, create a port_id lookup table for hw_port, just like the one for tx_chan. Use it to lookup the port softc in the port_info handler. MFC after: 3 days Sponsored by: Chelsio Communications
* cxgbe(4): Rename lport to hw_port.Navdeep Parhar2025-09-291-1/+1
| | | | | | | No functional change intended. MFC after: 3 days Sponsored by: Chelsio Communications
* cxgbe: handle vlan PF restrictionsKristof Provost2024-06-171-3/+4
| | | | | | | Co-Authored-by: Navdeep Parhar <np@FreeBSD.org> MFC after: 2 weeks Sponsored by: Orange Business Services Differential Revision: https://reviews.freebsd.org/D45428
* cxgbev(4): Shared code for the VF driver to query a VF's VLAN config.Navdeep Parhar2024-06-172-0/+28
| | | | | MFC after: 1 week Sponsored by: Chelsio Communications
* cxgbev(4): Use the correct source pf for T6 in the VF driver.Navdeep Parhar2024-06-171-1/+4
| | | | | MFC after: 1 week Sponsored by: Chelsio Communications
* cxgbe(4): Consolidate all mk_set_tcb_field_ulp in one place.Navdeep Parhar2024-05-171-0/+42
| | | | | MFC after: 1 week Sponsored by: Chelsio Communications
* cxgbe(4): Query TPCHMAP once and not once per port.Navdeep Parhar2024-04-302-10/+5
| | | | | MFC after: 1 week Sponsored by: Chelsio Communications
* cxgbe(4): Rename rx_c_chan to rx_chan.Navdeep Parhar2024-04-301-2/+10
| | | | | | | | | It is the equivalent of tx_chan but for receive so rx_chan is a better name. Initialize both using helper functions and make sure both are displayed in the sysctl MIB. MFC after: 1 week Sponsored by: Chelsio Communications
* cxgbe(4): Initialize mps_bg_map to an invalid value if it's not known.Navdeep Parhar2024-04-301-1/+1
| | | | | MFC after: 1 week Sponsored by: Chelsio Communications
* cxgbe(4): Do not read hardware registers to determine the number of ports.Navdeep Parhar2024-04-301-6/+7
| | | | | | | | | PORTVEC obtained from the firmware is the authoritative source of this information, and nports (calculated from PORTVEC) is available by the time t4_port_init runs. MFC after: 1 week Sponsored by: Chelsio Communications
* cxgbe(4): Shared code update to deal with partial failure in query_params.Navdeep Parhar2024-04-291-3/+12
| | | | | | Obtained from: Chelsio Communications MFC after: 1 week Sponsored by: Chelsio Communications
* cxgbe(4): Add missing description for a port type.Navdeep Parhar2024-04-291-0/+1
| | | | | MFC after: 1 week Sponsored by: Chelsio Communications
* cxgbe(4): Retire t4_intr_clear.Navdeep Parhar2024-04-292-94/+0
| | | | | | | | | The firmware clears the interrupts already and it has a better idea of exactly what to clear for which generation of the ASIC. There is no need for the driver to get involved. MFC after: 1 week Sponsored by: Chelsio Communications
* cxgbe(4): Add a helper function to locate MPS/MAC registers.Navdeep Parhar2024-04-292-20/+18
| | | | | | | These register blocks are at different locations in different chips. MFC after: 1 week Sponsored by: Chelsio Communications
* cxgbe(4): Remove tx_modq lookup table.Navdeep Parhar2024-04-292-6/+3
| | | | | | | | The driver always uses the same modulation queue as the channel and the table is unnecessary. MFC after: 1 week Sponsored by: Chelsio Communications
* cxgbe(4): Use the correct size for the CIM LA on the T6.Navdeep Parhar2024-01-093-3/+8
| | | | | | | | The logic analyzer in the T6 CIM block has a different capture size than previous chips. MFC after: 1 week Sponsored by: Chelsio Communications
* sys: Remove $FreeBSD$: one-line .c patternWarner Losh2023-08-162-4/+0
| | | | Remove /^[\s*]*__FBSDID\("\$FreeBSD\$"\);?\s*\n/
* sys: Remove $FreeBSD$: two-line .h patternWarner Losh2023-08-166-12/+0
| | | | Remove /^\s*\*\n \*\s+\$FreeBSD\$$\n/
* spdx: The BSD-2-Clause-FreeBSD identifier is obsolete, drop -FreeBSDWarner Losh2023-05-127-7/+7
| | | | | | | | | The SPDX folks have obsoleted the BSD-2-Clause-FreeBSD identifier. Catch up to that fact and revert to their recommended match of BSD-2-Clause. Discussed with: pfg MFC After: 3 days Sponsored by: Netflix
* cxgbe(4): Decode and display some more bits in the PL interrupt handler.Navdeep Parhar2022-08-161-1/+19
| | | | | MFC after: 1 week Sponsored by: Chelsio Communications
* cxgbe(4): Handle FORCE_FEC in pcaps correctly.Navdeep Parhar2022-03-251-6/+9
| | | | | | | | | | | The firmware doesn't report FORCE_FEC in pcaps if the transceiver plugged in at that time does not support a speed that may use FEC. It is incorrect for the driver to assume that the FORCE_FEC value it read during attach (in init_link_config) is permanent. Instead, it should check pcaps just before issuing the L1CFG command. MFC after: 1 week Sponsored by: Chelsio Communications
* cxgbe(4): Changes to the fatal error handler.Navdeep Parhar2022-02-182-34/+24
| | | | | | | | | | | | | | | | * New error_flags that can be used from the error ithread and elsewhere without a synch_op. * Stop the adapter immediately in t4_fatal_err but defer most of the rest of the handling to a task. The task is allowed to sleep, unlike the ithread. Remove async_event_task as it is no longer needed. * Dump the devlog, CIMLA, and PCIE_FW exactly once on any fatal error involving the firmware or the CIM block. While here, dump some additional info (see dump_cim_regs) for these errors. * If both reset_on_fatal_err and panic_on_fatal_err are set then attempt a reset first and do not panic the system if it is successful. MFC after: 1 week Sponsored by: Chelsio Communications
* cxgbe(4): Fix regression in previous attempt to fix FEC selection.Navdeep Parhar2022-01-101-6/+7
| | | | | | Fixes: f3c2987f2f5c91f0801fa8bbf9e1bc09d91aeb46 MFC after: 3 days Sponsored by: Chelsio Communications
* cxgbe(4): Fix "set but not used [-Wunused-but-set-variable]" warnings.Navdeep Parhar2022-01-101-4/+0
| | | | | MFC after: 1 week Sponsored by: Chelsio Communications
* cxgbe(4): Do not request an FEC that is invalid for the requested speed.Navdeep Parhar2022-01-051-0/+16
| | | | | | | | | | | | | This eliminates error messages like this from the driver when running at 50Gbps with 100G cables: [3726] cc0: l1cfg failed: 71 [4407] cc0: l1cfg failed: 71 Note that link comes up anyway with or without this change. Reported by: Suhas Lokesha @ Chelsio MFC after: 1 week Sponsored by: Chelsio Communications
* cxgbe(4): Fix stats collection for ports with port_id != tx_chanNavdeep Parhar2022-01-031-2/+2
| | | | | | | | | | This fixes a driver panic during stats collection when a port's id does not match its tx channel. The bug affected only the T580 card running with a non-default VPD. Reported by: Suhas Lokesha @ Chelsio MFC after: 1 week Sponsored by: Chelsio Communications
* cxgbe(4): Change the way t4_shutdown_adapter brings the link(s) down.Navdeep Parhar2021-11-151-11/+13
| | | | | | | | | | | | | | | Modify the GPIO pins only on the Base-T cards and even there drive all of them low instead of putting them in hi-z state. For the rest (this is the common case), directly power off the PLLs of the high speed serdes. This is the simplest method that does not involve or conflict with the firmware but still works with all T4-T6 cards regardless of what's plugged into the port. This fixes a problem where the peer wouldn't always see a link down if it is connected to the device using a -CR4 copper cable. MFC after: 3 weeks Sponsored by: Chelsio Communications
* cxgbe(4): Keep link configuration compatible with really old firmwares.Navdeep Parhar2021-11-151-0/+8
| | | | | MFC after: 1 week Sponsored by: Chelsio Communications
* cxgbe(4): internal knob for flexible control over FEC selection.Navdeep Parhar2021-11-102-7/+25
| | | | | | | | | | | | Recent firmwares have support for autonomous FEC selection and a "force" knob to let the driver control this behavior (or not) in a fine grained manner. This change adds a driver knob so that all the different ways of configuring the link FEC can be exercised. Note that this controls the internal driver/firmware interaction for link configuration and is not meant for general use. MFC after: 1 week Sponsored by: Chelsio Communications
* cxgbe(4): sysctl to track the last L1_CFG32 requested by the driver.Navdeep Parhar2021-11-092-0/+2
| | | | | | | | | | | dev.<port>.<inst>.rcaps # sysctl dev.cc | grep rcaps dev.cc.1.rcaps: 581107776 dev.cc.0.rcaps: 582156414 MFC after: 1 week Sponsored by: Chelsio Communications
* cxgbe(4): Display HMA information in meminfo.Navdeep Parhar2021-09-071-1/+1
| | | | | | | This should have been added with initial T6 support many years ago. MFC after: 1 week Sponsored by: Chelsio Communications
* cxgbe(4): Skip a few more T5/T6 registers during a regdump.Navdeep Parhar2021-07-141-2/+4
| | | | | | | | | These registers have read side effects and a read at just the right (wrong?) time can trash some internal hw state. Obtained from: Chelsio Communications MFC after: 1 week Sponsored by: Chelsio Communications
* cxgbe(4): Get the number of usable traffic classes from the firmware.Navdeep Parhar2021-06-251-0/+1
| | | | | | | | | | | Recent firmwares are able to utilize the traffic classes of tx channels that were previously unused. This effectively doubles the number of traffic classes available per port for 2 port cards. Stop using the raw per-channel value in the driver and ask the firmware for the number of usable traffic classes instead. MFC after: 2 weeks Sponsored by: Chelsio Communications
* cxgbe(4): Check if the firmware supports 512 SGL per FR MR.Navdeep Parhar2021-06-011-0/+1
| | | | | | | | | Firmwares >= 1.25.6.0 support 512 SGL entries in a single memory registration request. Obtained from: Chelsio Communications MFC after: 1 week Sponsored by: Chelsio Communications
* cxgbe(4): Allow a T6 adapter to switch between TOE and NIC TLS mode.Navdeep Parhar2021-03-251-0/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | The hw.cxgbe.kern_tls tunable was used for this in the past and if it was set then all T6 adapters would be configured for NIC TLS operation and could not be reconfigured for TOE without a reload. With this change ifconfig can be used to manipulate toe and txtls caps like any other caps. hw.cxgbe.kern_tls continues to work as usual but its effects are not permanent any more. * Enable nic_ktls_ofld in the default configuration file and use the firmware instead of direct register manipulation to apply/rollback NIC TLS configuration. This allows the driver to switch the hardware between TOE and NIC TLS mode in a safe manner. Note that the configuration is adapter-wide and not per-port. * Remove the kern_tls config file as it works with 100G T6 cards only and leads to firmware crashes with 25G cards. The configurations included with the driver (with the exception of the FPGA configs) are supposed to work with all adapters. Reported by: Veeresh U.K. at Chelsio MFC after: 2 weeks Sponsored by: Chelsio Communications Reviewed by: jhb@ Differential Revision: https://reviews.freebsd.org/D29291
* cxgbe(4): Read the rx 'c' channel for a port and make it available.Navdeep Parhar2021-02-261-0/+18
| | | | | MFC after: 1 week Sponsored by: Chelsio Communications
* cxgbe(4): Use the correct filter width for T5+.Navdeep Parhar2021-02-193-1/+6
| | | | | | | | | T5 and above have extra bits for the optional filter fields. This is a correctness issue and not just a waste because a filter mode valid on a T4 (36b) may not be valid on a T5+ (40b). MFC after: 2 weeks Sponsored by: Chelsio Communications
* cxgbe(4): Use firmware commands to get/set filter configuration.Navdeep Parhar2021-02-192-42/+157
| | | | | | | | | | | | | | | | | | | | 1. Query the firmware for filter mode, mask, and related ingress config instead of trying to figure them out from hardware registers. Read configuration from the registers only when the firmware does not support this query. 2. Use the firmware to set the filter mode. This is the correct way to do it and is more flexible as well. The filter mode (and associated ingress config) can now be changed any time it is safe to do so. The user can specify a subset of a valid mode and the driver will enable enough bits to make sure that the mode is maxed out -- that is, it is not possible to set another bit without exceeding the total width for optional filter fields. This is a hardware requirement that was not enforced by the driver previously. MFC after: 2 weeks Sponsored by: Chelsio Communications
* cxgbe(4): Break up t4_read_chip_settings.Navdeep Parhar2021-02-182-3/+3
| | | | | | | | | | Read the PF-only hardware settings directly in get_params__post_init. Split the rest into two routines used by both the PF and VF drivers: one that reads the SGE rx buffer configuration and another that verifies miscellaneous hardware configuration. MFC after: 1 week Sponsored by: Chelsio Communications
* cxgbe: replace zero sized array by flexible arrayToomas Soome2020-12-291-2/+2
| | | | | | | | The issue was found while building cxgbe with gcc 10 (in illumos), the array subscription check is warning us about outside the bounds access. See also: https://gcc.gnu.org/onlinedocs/gcc/Zero-Length.html
* cxgbe(4): two new debug sysctls.Navdeep Parhar2020-12-032-0/+50
| | | | | | | | | | | dev.<nexus>.<instance>.misc.tid_stats dev.<nexus>.<instance>.misc.tnl_stats MFC after: 3 days Sponsored by: Chelsio Communications Notes: svn path=/head/; revision=368313
* cxgbe(4): Stop but don't free netmap queues when netmap is switched off.Navdeep Parhar2020-12-032-0/+28
| | | | | | | | | | | | | | | | It is common for freelists to be starving when a netmap application stops. Mailbox commands to free queues can hang in such a situation. Avoid that by not freeing the queues when netmap is switched off. Instead, use an alternate method to stop the queues without releasing the context ids. If netmap is enabled again later then the same queue is reinitialized for use. Move alloc_nm_rxq and txq to t4_netmap.c while here. MFC after: 1 week Sponsored by: Chelsio Communications Notes: svn path=/head/; revision=368296
* cxgbe(4): Allow the PF driver to set a VF's MAC address.Navdeep Parhar2020-11-092-0/+44
| | | | | | | | | | | The MAC address can be set with the optional mac-addr property in the VF section of the iovctl.conf(5) used to instantiate the VFs. MFC after: 2 weeks Sponsored by: Chelsio Communications Notes: svn path=/head/; revision=367502
* cxgbev(4): Use the MAC address set by the the PF if there is one.Navdeep Parhar2020-11-092-0/+48
| | | | | | | | | | | Query the firmware for the MAC address set by the PF for the VF and use it instead of the firmware generated MAC if it's available. MFC after: 2 weeks Sponsored by: Chelsio Communications Notes: svn path=/head/; revision=367497
* cxgbe(4): Fix page fault in t4_get_lb_stats with 2 port T5 cards.Navdeep Parhar2020-10-191-9/+12
| | | | | | | | | | PR: 250449 Reported by: freqlabs@ MFC after: 1 week Sponsored by: Chelsio Communications Notes: svn path=/head/; revision=366853
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