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t4-config.txt
# Chelsio T4 Factory Default configuration file. # # Copyright (C) 2010-2014 Chelsio Communications. All rights reserved. # # DO NOT MODIFY THIS FILE UNDER ANY CIRCUMSTANCES. MODIFICATION OF # THIS FILE WILL RESULT IN A NON-FUNCTIONAL T4 ADAPTER AND MAY RESULT # IN PHYSICAL DAMAGE TO T4 ADAPTERS. # This file provides the default, power-on configuration for 4-port T4-based # adapters shipped from the factory. These defaults are designed to address # the needs of the vast majority of T4 customers. The basic idea is to have # a default configuration which allows a customer to plug a T4 adapter in and # have it work regardless of OS, driver or application except in the most # unusual and/or demanding customer applications. # # Many of the T4 resources which are described by this configuration are # finite. This requires balancing the configuration/operation needs of # device drivers across OSes and a large number of customer application. # # Some of the more important resources to allocate and their constaints are: # 1. Virtual Interfaces: 128. # 2. Ingress Queues with Free Lists: 1024. PCI-E SR-IOV Virtual Functions # must use a power of 2 Ingress Queues. # 3. Egress Queues: 128K. PCI-E SR-IOV Virtual Functions must use a # power of 2 Egress Queues. # 4. MSI-X Vectors: 1088. A complication here is that the PCI-E SR-IOV # Virtual Functions based off of a Physical Function all get the # same umber of MSI-X Vectors as the base Physical Function. # Additionally, regardless of whether Virtual Functions are enabled or # not, their MSI-X "needs" are counted by the PCI-E implementation. # And finally, all Physical Funcations capable of supporting Virtual # Functions (PF0-3) must have the same number of configured TotalVFs in # their SR-IOV Capabilities. # 5. Multi-Port Support (MPS) TCAM: 336 entries to support MAC destination # address matching on Ingress Packets. # # Some of the important OS/Driver resource needs are: # 6. Some OS Drivers will manage all resources through a single Physical # Function (currently PF0 but it could be any Physical Function). Thus, # this "Unified PF" will need to have enough resources allocated to it # to allow for this. And because of the MSI-X resource allocation # constraints mentioned above, this probably means we'll either have to # severely limit the TotalVFs if we continue to use PF0 as the Unified PF # or we'll need to move the Unified PF into the PF4-7 range since those # Physical Functions don't have any Virtual Functions associated with # them. # 7. Some OS Drivers will manage different ports and functions (NIC, # storage, etc.) on different Physical Functions. For example, NIC # functions for ports 0-3 on PF0-3, FCoE on PF4, iSCSI on PF5, etc. # # Some of the customer application needs which need to be accommodated: # 8. Some customers will want to support large CPU count systems with # good scaling. Thus, we'll need to accommodate a number of # Ingress Queues and MSI-X Vectors to allow up to some number of CPUs # to be involved per port and per application function. For example, # in the case where all ports and application functions will be # managed via a single Unified PF and we want to accommodate scaling up # to 8 CPUs, we would want: # # 4 ports * # 3 application functions (NIC, FCoE, iSCSI) per port * # 8 Ingress Queue/MSI-X Vectors per application function # # for a total of 96 Ingress Queues and MSI-X Vectors on the Unified PF. # (Plus a few for Firmware Event Queues, etc.) # # 9. Some customers will want to use T4's PCI-E SR-IOV Capability to allow # Virtual Machines to directly access T4 functionality via SR-IOV # Virtual Functions and "PCI Device Passthrough" -- this is especially # true for the NIC application functionality. (Note that there is # currently no ability to use the TOE, FCoE, iSCSI, etc. via Virtual # Functions so this is in fact solely limited to NIC.) # # Global configuration settings. # [global] rss_glb_config_mode = basicvirtual rss_glb_config_options = tnlmapen,hashtoeplitz,tnlalllkp # The following Scatter Gather Engine (SGE) settings assume a 4KB Host # Page Size and a 64B L1 Cache Line Size. It programs the # EgrStatusPageSize and IngPadBoundary to 64B and the PktShift to 2. # If a Master PF Driver finds itself on a machine with different # parameters, then the Master PF Driver is responsible for initializing # these parameters to appropriate values. # # Notes: # 1. The Free List Buffer Sizes below are raw and the firmware will # round them up to the Ingress Padding Boundary. # 2. The SGE Timer Values below are expressed below in microseconds. # The firmware will convert these values to Core Clock Ticks when # it processes the configuration parameters. # reg[0x1008] = 0x40810/0x21c70 # SGE_CONTROL reg[0x100c] = 0x22222222 # SGE_HOST_PAGE_SIZE reg[0x10a0] = 0x01040810 # SGE_INGRESS_RX_THRESHOLD reg[0x1044] = 4096 # SGE_FL_BUFFER_SIZE0 reg[0x1048] = 65536 # SGE_FL_BUFFER_SIZE1 reg[0x104c] = 1536 # SGE_FL_BUFFER_SIZE2 reg[0x1050] = 9024 # SGE_FL_BUFFER_SIZE3 reg[0x1054] = 9216 # SGE_FL_BUFFER_SIZE4 reg[0x1058] = 2048 # SGE_FL_BUFFER_SIZE5 reg[0x105c] = 128 # SGE_FL_BUFFER_SIZE6 reg[0x1060] = 8192 # SGE_FL_BUFFER_SIZE7 reg[0x1064] = 16384 # SGE_FL_BUFFER_SIZE8 reg[0x10a4] = 0xa000a000/0xf000f000 # SGE_DBFIFO_STATUS reg[0x10a8] = 0x2000/0x2000 # SGE_DOORBELL_CONTROL sge_timer_value = 5, 10, 20, 50, 100, 200 # SGE_TIMER_VALUE* in usecs # enable TP_OUT_CONFIG.IPIDSPLITMODE reg[0x7d04] = 0x00010000/0x00010000 # disable TP_PARA_REG3.RxFragEn reg[0x7d6c] = 0x00000000/0x00007000 reg[0x7dc0] = 0x0e2f8849 # TP_SHIFT_CNT # TP_VLAN_PRI_MAP to select filter tuples # filter tuples : fragmentation, mpshittype, macmatch, ethertype, # protocol, tos, vlan, vnic_id, port, fcoe # valid filterModes are described the Terminator 4 Data Book filterMode = fragmentation, mpshittype, protocol, vlan, port, fcoe # filter tuples enforced in LE active region (equal to or subset of filterMode) filterMask = protocol, fcoe # Percentage of dynamic memory (in either the EDRAM or external MEM) # to use for TP RX payload tp_pmrx = 34 # TP RX payload page size tp_pmrx_pagesize = 64K # TP number of RX channels tp_nrxch = 0 # 0 (auto) = 1 # Percentage of dynamic memory (in either the EDRAM or external MEM) # to use for TP TX payload tp_pmtx = 32 # TP TX payload page size tp_pmtx_pagesize = 64K # TP number of TX channels tp_ntxch = 0 # 0 (auto) = equal number of ports # TP OFLD MTUs tp_mtus = 88, 256, 512, 576, 808, 1024, 1280, 1488, 1500, 2002, 2048, 4096, 4352, 8192, 9000, 9600 # ULPRX iSCSI Page Sizes reg[0x19168] = 0x04020100 # 64K, 16K, 8K and 4K # Some "definitions" to make the rest of this a bit more readable. We support # 4 ports, 3 functions (NIC, FCoE and iSCSI), scaling up to 8 "CPU Queue Sets" # per function per port ... # # NMSIX = 1088 # available MSI-X Vectors # NVI = 128 # available Virtual Interfaces # NMPSTCAM = 336 # MPS TCAM entries # # NPORTS = 4 # ports # NCPUS = 8 # CPUs we want to support scalably # NFUNCS = 3 # functions per port (NIC, FCoE, iSCSI) # Breakdown of Virtual Interface/Queue/Interrupt resources for the "Unified # PF" which many OS Drivers will use to manage most or all functions. # # Each Ingress Queue can use one MSI-X interrupt but some Ingress Queues can # use Forwarded Interrupt Ingress Queues. For these latter, an Ingress Queue # would be created and the Queue ID of a Forwarded Interrupt Ingress Queue # will be specified as the "Ingress Queue Asynchronous Destination Index." # Thus, the number of MSI-X Vectors assigned to the Unified PF will be less # than or equal to the number of Ingress Queues ... # # NVI_NIC = 4 # NIC access to NPORTS # NFLIQ_NIC = 32 # NIC Ingress Queues with Free Lists # NETHCTRL_NIC = 32 # NIC Ethernet Control/TX Queues # NEQ_NIC = 64 # NIC Egress Queues (FL, ETHCTRL/TX) # NMPSTCAM_NIC = 16 # NIC MPS TCAM Entries (NPORTS*4) # NMSIX_NIC = 32 # NIC MSI-X Interrupt Vectors (FLIQ) # # NVI_OFLD = 0 # Offload uses NIC function to access ports # NFLIQ_OFLD = 16 # Offload Ingress Queues with Free Lists # NETHCTRL_OFLD = 0 # Offload Ethernet Control/TX Queues # NEQ_OFLD = 16 # Offload Egress Queues (FL) # NMPSTCAM_OFLD = 0 # Offload MPS TCAM Entries (uses NIC's) # NMSIX_OFLD = 16 # Offload MSI-X Interrupt Vectors (FLIQ) # # NVI_RDMA = 0 # RDMA uses NIC function to access ports # NFLIQ_RDMA = 4 # RDMA Ingress Queues with Free Lists # NETHCTRL_RDMA = 0 # RDMA Ethernet Control/TX Queues # NEQ_RDMA = 4 # RDMA Egress Queues (FL) # NMPSTCAM_RDMA = 0 # RDMA MPS TCAM Entries (uses NIC's) # NMSIX_RDMA = 4 # RDMA MSI-X Interrupt Vectors (FLIQ) # # NEQ_WD = 128 # Wire Direct TX Queues and FLs # NETHCTRL_WD = 64 # Wire Direct TX Queues # NFLIQ_WD = 64 ` # Wire Direct Ingress Queues with Free Lists # # NVI_ISCSI = 4 # ISCSI access to NPORTS # NFLIQ_ISCSI = 4 # ISCSI Ingress Queues with Free Lists # NETHCTRL_ISCSI = 0 # ISCSI Ethernet Control/TX Queues # NEQ_ISCSI = 4 # ISCSI Egress Queues (FL) # NMPSTCAM_ISCSI = 4 # ISCSI MPS TCAM Entries (NPORTS) # NMSIX_ISCSI = 4 # ISCSI MSI-X Interrupt Vectors (FLIQ) # # NVI_FCOE = 4 # FCOE access to NPORTS # NFLIQ_FCOE = 34 # FCOE Ingress Queues with Free Lists # NETHCTRL_FCOE = 32 # FCOE Ethernet Control/TX Queues # NEQ_FCOE = 66 # FCOE Egress Queues (FL) # NMPSTCAM_FCOE = 32 # FCOE MPS TCAM Entries (NPORTS) # NMSIX_FCOE = 34 # FCOE MSI-X Interrupt Vectors (FLIQ) # Two extra Ingress Queues per function for Firmware Events and Forwarded # Interrupts, and two extra interrupts per function for Firmware Events (or a # Forwarded Interrupt Queue) and General Interrupts per function. # # NFLIQ_EXTRA = 6 # "extra" Ingress Queues 2*NFUNCS (Firmware and # # Forwarded Interrupts # NMSIX_EXTRA = 6 # extra interrupts 2*NFUNCS (Firmware and # # General Interrupts # Microsoft HyperV resources. The HyperV Virtual Ingress Queues will have # their interrupts forwarded to another set of Forwarded Interrupt Queues. # # NVI_HYPERV = 16 # VMs we want to support # NVIIQ_HYPERV = 2 # Virtual Ingress Queues with Free Lists per VM # NFLIQ_HYPERV = 40 # VIQs + NCPUS Forwarded Interrupt Queues # NEQ_HYPERV = 32 # VIQs Free Lists # NMPSTCAM_HYPERV = 16 # MPS TCAM Entries (NVI_HYPERV) # NMSIX_HYPERV = 8 # NCPUS Forwarded Interrupt Queues # Adding all of the above Unified PF resource needs together: (NIC + OFLD + # RDMA + ISCSI + FCOE + EXTRA + HYPERV) # # NVI_UNIFIED = 28 # NFLIQ_UNIFIED = 106 # NETHCTRL_UNIFIED = 32 # NEQ_UNIFIED = 124 # NMPSTCAM_UNIFIED = 40 # # The sum of all the MSI-X resources above is 74 MSI-X Vectors but we'll round # that up to 128 to make sure the Unified PF doesn't run out of resources. # # NMSIX_UNIFIED = 128 # # The Storage PFs could need up to NPORTS*NCPUS + NMSIX_EXTRA MSI-X Vectors # which is 34 but they're probably safe with 32. # # NMSIX_STORAGE = 32 # Note: The UnifiedPF is PF4 which doesn't have any Virtual Functions # associated with it. Thus, the MSI-X Vector allocations we give to the # UnifiedPF aren't inherited by any Virtual Functions. As a result we can # provision many more Virtual Functions than we can if the UnifiedPF were # one of PF0-3. # # All of the below PCI-E parameters are actually stored in various *_init.txt # files. We include them below essentially as comments. # # For PF0-3 we assign 8 vectors each for NIC Ingress Queues of the associated # ports 0-3. # # For PF4, the Unified PF, we give it an MSI-X Table Size as outlined above. # # For PF5-6 we assign enough MSI-X Vectors to support FCoE and iSCSI # storage applications across all four possible ports. # # Additionally, since the UnifiedPF isn't one of the per-port Physical # Functions, we give the UnifiedPF and the PF0-3 Physical Functions # different PCI Device IDs which will allow Unified and Per-Port Drivers # to directly select the type of Physical Function to which they wish to be # attached. # # Note that the actual values used for the PCI-E Intelectual Property will be # 1 less than those below since that's the way it "counts" things. For # readability, we use the number we actually mean ... # # PF0_INT = 8 # NCPUS # PF1_INT = 8 # NCPUS # PF2_INT = 8 # NCPUS # PF3_INT = 8 # NCPUS # PF0_3_INT = 32 # PF0_INT + PF1_INT + PF2_INT + PF3_INT # # PF4_INT = 128 # NMSIX_UNIFIED # PF5_INT = 32 # NMSIX_STORAGE # PF6_INT = 32 # NMSIX_STORAGE # PF7_INT = 0 # Nothing Assigned # PF4_7_INT = 192 # PF4_INT + PF5_INT + PF6_INT + PF7_INT # # PF0_7_INT = 224 # PF0_3_INT + PF4_7_INT # # With the above we can get 17 VFs/PF0-3 (limited by 336 MPS TCAM entries) # but we'll lower that to 16 to make our total 64 and a nice power of 2 ... # # NVF = 16 # For those OSes which manage different ports on different PFs, we need # only enough resources to support a single port's NIC application functions # on PF0-3. The below assumes that we're only doing NIC with NCPUS "Queue # Sets" for ports 0-3. The FCoE and iSCSI functions for such OSes will be # managed on the "storage PFs" (see below). # [function "0"] nvf = 16 # NVF on this function wx_caps = all # write/execute permissions for all commands r_caps = all # read permissions for all commands nvi = 1 # 1 port niqflint = 8 # NCPUS "Queue Sets" nethctrl = 8 # NCPUS "Queue Sets" neq = 16 # niqflint + nethctrl Egress Queues nexactf = 8 # number of exact MPSTCAM MAC filters cmask = all # access to all channels pmask = 0x1 # access to only one port [function "1"] nvf = 16 # NVF on this function wx_caps = all # write/execute permissions for all commands r_caps = all # read permissions for all commands nvi = 1 # 1 port niqflint = 8 # NCPUS "Queue Sets" nethctrl = 8 # NCPUS "Queue Sets" neq = 16 # niqflint + nethctrl Egress Queues nexactf = 8 # number of exact MPSTCAM MAC filters cmask = all # access to all channels pmask = 0x2 # access to only one port [function "2"] nvf = 16 # NVF on this function wx_caps = all # write/execute permissions for all commands r_caps = all # read permissions for all commands nvi = 1 # 1 port niqflint = 8 # NCPUS "Queue Sets" nethctrl = 8 # NCPUS "Queue Sets" neq = 16 # niqflint + nethctrl Egress Queues nexactf = 8 # number of exact MPSTCAM MAC filters cmask = all # access to all channels pmask = 0x4 # access to only one port [function "3"] nvf = 16 # NVF on this function wx_caps = all # write/execute permissions for all commands r_caps = all # read permissions for all commands nvi = 1 # 1 port niqflint = 8 # NCPUS "Queue Sets" nethctrl = 8 # NCPUS "Queue Sets" neq = 16 # niqflint + nethctrl Egress Queues nexactf = 8 # number of exact MPSTCAM MAC filters cmask = all # access to all channels pmask = 0x8 # access to only one port # Some OS Drivers manage all application functions for all ports via PF4. # Thus we need to provide a large number of resources here. For Egress # Queues we need to account for both TX Queues as well as Free List Queues # (because the host is responsible for producing Free List Buffers for the # hardware to consume). # [function "4"] wx_caps = all # write/execute permissions for all commands r_caps = all # read permissions for all commands nvi = 28 # NVI_UNIFIED niqflint = 170 # NFLIQ_UNIFIED + NLFIQ_WD nethctrl = 100 # NETHCTRL_UNIFIED + NETHCTRL_WD neq = 256 # NEQ_UNIFIED + NEQ_WD nexactf = 40 # NMPSTCAM_UNIFIED cmask = all # access to all channels pmask = all # access to all four ports ... nethofld = 1024 # number of user mode ethernet flow contexts nroute = 32 # number of routing region entries nclip = 32 # number of clip region entries nfilter = 496 # number of filter region entries nserver = 496 # number of server region entries nhash = 12288 # number of hash region entries protocol = nic_vm, ofld, rddp, rdmac, iscsi_initiator_pdu, iscsi_target_pdu tp_l2t = 3072 tp_ddp = 3 tp_ddp_iscsi = 2 tp_stag = 3 tp_pbl = 10 tp_rq = 13 # We have FCoE and iSCSI storage functions on PF5 and PF6 each of which may # need to have Virtual Interfaces on each of the four ports with up to NCPUS # "Queue Sets" each. # [function "5"] wx_caps = all # write/execute permissions for all commands r_caps = all # read permissions for all commands nvi = 4 # NPORTS niqflint = 34 # NPORTS*NCPUS + NMSIX_EXTRA nethctrl = 32 # NPORTS*NCPUS neq = 64 # NPORTS*NCPUS * 2 (FL, ETHCTRL/TX) nexactf = 4 # NPORTS cmask = all # access to all channels pmask = all # access to all four ports ... nserver = 16 nhash = 2048 tp_l2t = 1020 protocol = iscsi_initiator_fofld tp_ddp_iscsi = 2 iscsi_ntask = 2048 iscsi_nsess = 2048 iscsi_nconn_per_session = 1 iscsi_ninitiator_instance = 64 [function "6"] wx_caps = all # write/execute permissions for all commands r_caps = all # read permissions for all commands nvi = 4 # NPORTS niqflint = 34 # NPORTS*NCPUS + NMSIX_EXTRA nethctrl = 32 # NPORTS*NCPUS neq = 66 # NPORTS*NCPUS * 2 (FL, ETHCTRL/TX) + 2 (EXTRA) nexactf = 32 # NPORTS + adding 28 exact entries for FCoE # which is OK since < MIN(SUM PF0..3, PF4) # and we never load PF0..3 and PF4 concurrently cmask = all # access to all channels pmask = all # access to all four ports ... nhash = 2048 tp_l2t = 4 protocol = fcoe_initiator tp_ddp = 1 fcoe_nfcf = 16 fcoe_nvnp = 32 fcoe_nssn = 1024 # The following function, 1023, is not an actual PCIE function but is used to # configure and reserve firmware internal resources that come from the global # resource pool. # [function "1023"] wx_caps = all # write/execute permissions for all commands r_caps = all # read permissions for all commands nvi = 4 # NVI_UNIFIED cmask = all # access to all channels pmask = all # access to all four ports ... nexactf = 8 # NPORTS + DCBX + nfilter = 16 # number of filter region entries # For Virtual functions, we only allow NIC functionality and we only allow # access to one port (1 << PF). Note that because of limitations in the # Scatter Gather Engine (SGE) hardware which checks writes to VF KDOORBELL # and GTS registers, the number of Ingress and Egress Queues must be a power # of 2. # [function "0/*"] # NVF wx_caps = 0x82 # DMAQ | VF r_caps = 0x86 # DMAQ | VF | PORT nvi = 1 # 1 port niqflint = 4 # 2 "Queue Sets" + NXIQ nethctrl = 2 # 2 "Queue Sets" neq = 4 # 2 "Queue Sets" * 2 nexactf = 4 cmask = all # access to all channels pmask = 0x1 # access to only one port ... [function "1/*"] # NVF wx_caps = 0x82 # DMAQ | VF r_caps = 0x86 # DMAQ | VF | PORT nvi = 1 # 1 port niqflint = 4 # 2 "Queue Sets" + NXIQ nethctrl = 2 # 2 "Queue Sets" neq = 4 # 2 "Queue Sets" * 2 nexactf = 4 cmask = all # access to all channels pmask = 0x2 # access to only one port ... [function "2/*"] # NVF wx_caps = 0x82 # DMAQ | VF r_caps = 0x86 # DMAQ | VF | PORT nvi = 1 # 1 port niqflint = 4 # 2 "Queue Sets" + NXIQ nethctrl = 2 # 2 "Queue Sets" neq = 4 # 2 "Queue Sets" * 2 nexactf = 4 cmask = all # access to all channels pmask = 0x4 # access to only one port ... [function "3/*"] # NVF wx_caps = 0x82 # DMAQ | VF r_caps = 0x86 # DMAQ | VF | PORT nvi = 1 # 1 port niqflint = 4 # 2 "Queue Sets" + NXIQ nethctrl = 2 # 2 "Queue Sets" neq = 4 # 2 "Queue Sets" * 2 nexactf = 4 cmask = all # access to all channels pmask = 0x8 # access to only one port ... # MPS features a 196608 bytes ingress buffer that is used for ingress buffering # for packets from the wire as well as the loopback path of the L2 switch. The # folling params control how the buffer memory is distributed and the L2 flow # control settings: # # bg_mem: %-age of mem to use for port/buffer group # lpbk_mem: %-age of port/bg mem to use for loopback # hwm: high watermark; bytes available when starting to send pause # frames (in units of 0.1 MTU) # lwm: low watermark; bytes remaining when sending 'unpause' frame # (in inuits of 0.1 MTU) # dwm: minimum delta between high and low watermark (in units of 100 # Bytes) # # [port "0"] dcb = ppp, dcbx # configure for DCB PPP and enable DCBX offload bg_mem = 25 lpbk_mem = 25 hwm = 30 lwm = 15 dwm = 30 dcb_app_tlv[0] = 0x8906, ethertype, 3 dcb_app_tlv[1] = 0x8914, ethertype, 3 dcb_app_tlv[2] = 3260, socketnum, 5 [port "1"] dcb = ppp, dcbx bg_mem = 25 lpbk_mem = 25 hwm = 30 lwm = 15 dwm = 30 dcb_app_tlv[0] = 0x8906, ethertype, 3 dcb_app_tlv[1] = 0x8914, ethertype, 3 dcb_app_tlv[2] = 3260, socketnum, 5 [port "2"] dcb = ppp, dcbx bg_mem = 25 lpbk_mem = 25 hwm = 30 lwm = 15 dwm = 30 dcb_app_tlv[0] = 0x8906, ethertype, 3 dcb_app_tlv[1] = 0x8914, ethertype, 3 dcb_app_tlv[2] = 3260, socketnum, 5 [port "3"] dcb = ppp, dcbx bg_mem = 25 lpbk_mem = 25 hwm = 30 lwm = 15 dwm = 30 dcb_app_tlv[0] = 0x8906, ethertype, 3 dcb_app_tlv[1] = 0x8914, ethertype, 3 dcb_app_tlv[2] = 3260, socketnum, 5 [fini] version = 0x1425001c checksum = 0x5ceab41e # Total resources used by above allocations: # Virtual Interfaces: 104 # Ingress Queues/w Free Lists and Interrupts: 526 # Egress Queues: 702 # MPS TCAM Entries: 336 # MSI-X Vectors: 736 # Virtual Functions: 64
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