/* * Copyright (c) 2016 Cisco and/or its affiliates. * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at: * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #ifndef included_ixge_h #define included_ixge_h #include <vnet/vnet.h> #include <vlib/pci/pci.h> #include <vlib/i2c.h> #include <vnet/ethernet/sfp.h> #include <vnet/ip/ip4_packet.h> #include <vnet/ip/ip6_packet.h> typedef volatile struct { /* [31:7] 128 byte aligned. */ u32 descriptor_address[2]; u32 n_descriptor_bytes; /* [5] rx/tx descriptor dca enable [6] rx packet head dca enable [7] rx packet tail dca enable [9] rx/tx descriptor relaxed order [11] rx/tx descriptor write back relaxed order [13] rx/tx data write/read relaxed order [15] rx head data write relaxed order [31:24] apic id for cpu's cache. */ u32 dca_control; u32 head_index; /* [4:0] tail buffer size (in 1k byte units) [13:8] head buffer size (in 64 byte units) [24:22] lo free descriptors threshold (units of 64 descriptors) [27:25] descriptor type 0 = legacy, 1 = advanced one buffer (e.g. tail), 2 = advanced header splitting (head + tail), 5 = advanced header splitting (head only). [28] drop if no descriptors available. */ u32 rx_split_control; u32 tail_index; CLIB_PAD_FROM_TO (0x1c, 0x28); /* [7:0] rx/tx prefetch threshold [15:8] rx/tx host threshold [24:16] rx/tx write back threshold [25] rx/tx enable [26] tx descriptor writeback flush [30] rx strip vlan enable */ u32 control; u32 rx_coallesce_control; union { struct { /* packets bytes lo hi */ u32 stats[3]; u32 unused; } rx; struct { u32 unused[2]; /* [0] enables head write back. */ u32 head_index_write_back_address[2]; } tx; }; } ixge_dma_regs_t; /* Only advanced descriptors are supported. */ typedef struct { u64 tail_address; u64 head_address; } ixge_rx_to_hw_descriptor_t; typedef struct { u32 status[3]; u16 n_packet_bytes_this_descriptor; u16 vlan_tag; } ixge_rx_from_hw_descriptor_t; #define IXGE_RX_DESCRIPTOR_STATUS0_IS_LAYER2 (1 << (4 + 11)) /* Valid if not layer2. */ #define IXGE_RX_DESCRIPTOR_STATUS0_IS_IP4 (1 << (4 + 0)) #define IXGE_RX_DESCRIPTOR_STATUS0_IS_IP4_EXT (1 << (4 + 1)) #define IXGE_RX_DESCRIPTOR_STATUS0_IS_IP6 (1 << (4 + 2)) #define IXGE_RX_DESCRIPTOR_STATUS0_IS_IP6_EXT (1 << (4 + 3)) #define IXGE_RX_DESCRIPTOR_STATUS0_IS_TCP (1 << (4 + 4)) #define IXGE_RX_DESCRIPTOR_STATUS0_IS_UDP (1 << (4 + 5)) #define IXGE_RX_DESCRIPTOR_STATUS0_L3_OFFSET(s) (((s) >> 21) & 0x3ff) #define IXGE_RX_DESCRIPTOR_STATUS2_IS_OWNED_BY_SOFTWARE (1 << (0 + 0)) #define IXGE_RX_DESCRIPTOR_STATUS2_IS_END_OF_PACKET (1 << (0 + 1)) #define IXGE_RX_DESCRIPTOR_STATUS2_IS_VLAN (1 << (0 + 3)) #define IXGE_RX_DESCRIPTOR_STATUS2_IS_UDP_CHECKSUMMED (1 << (0 + 4)) #define IXGE_RX_DESCRIPTOR_STATUS2_IS_TCP_CHECKSUMMED (1 << (0 + 5)) #define IXGE_RX_DESCRIPTOR_STATUS2_IS_IP4_CHECKSUMMED (1 << (0 + 6)) #define IXGE_RX_DESCRIPTOR_STATUS2_NOT_UNICAST (1 << (0 + 7)) #define IXGE_RX_DESCRIPTOR_STATUS2_IS_DOUBLE_VLAN (1 << (0 + 9)) #define IXGE_RX_DESCRIPTOR_STATUS2_UDP_CHECKSUM_ERROR (1 << (0 + 10)) #define IXGE_RX_DESCRIPTOR_STATUS2_ETHERNET_ERROR (1 << (20 + 9)) #define IXGE_RX_DESCRIPTOR_STATUS2_TCP_CHECKSUM_ERROR (1 << (20 + 10)) #define IXGE_RX_DESCRIPTOR_STATUS2_IP4_CHECKSUM_ERROR (1 << (20 + 11)) /* For layer2 packets stats0 bottom 3 bits give ether type index from filter. */ #define IXGE_RX_DESCRIPTOR_STATUS0_LAYER2_ETHERNET_TYPE(s) ((s) & 7) typedef struct { u64 buffer_address; u16 n_bytes_this_buffer; u16 status0; u32 status1; #define IXGE_TX_DESCRIPTOR_STATUS0_ADVANCED (3 << 4) #define IXGE_TX_DESCRIPTOR_STATUS0_IS_ADVANCED (1 << (8 + 5)) #define IXGE_TX_DESCRIPTOR_STATUS0_LOG2_REPORT_STATUS (8 + 3) #define IXGE_TX_DESCRIPTOR_STATUS0_REPORT_STATUS (1 << IXGE_TX_DESCRIPTOR_STATUS0_LOG2_REPORT_STATUS) #define IXGE_TX_DESCRIPTOR_STATUS0_INSERT_FCS (1 << (8 + 1)) #define IXGE_TX_DESCRIPTOR_STATUS0_LOG2_IS_END_OF_PACKET (8 + 0) #define IXGE_TX_DESCRIPTOR_STATUS0_IS_END_OF_PACKET (1 << IXGE_TX_DESCRIPTOR_STATUS0_LOG2_IS_END_OF_PACKET) #define IXGE_TX_DESCRIPTOR_STATUS1_DONE (1 << 0) #define IXGE_TX_DESCRIPTOR_STATUS1_CONTEXT(i) (/* valid */ (1 << 7) | ((i) << 4)) #define IXGE_TX_DESCRIPTOR_STATUS1_IPSEC_OFFLOAD (1 << (8 + 2)) #define IXGE_TX_DESCRIPTOR_STATUS1_INSERT_TCP_UDP_CHECKSUM (1 << (8 + 1)) #define IXGE_TX_DESCRIPTOR_STATUS1_INSERT_IP4_CHECKSUM (1 << (8 + 0)) #define IXGE_TX_DESCRIPTOR_STATUS0_N_BYTES_THIS_BUFFER(l) ((l) << 0) #define IXGE_TX_DESCRIPTOR_STATUS1_N_BYTES_IN_PACKET(l) ((l) << 14) } ixge_tx_descriptor_t; typedef struct { struct { u8 checksum_start_offset; u8 checksum_insert_offset; u16 checksum_end_offset; } ip, tcp; u32 status0; u8 status1; /* Byte offset after UDP/TCP header. */ u8 payload_offset; u16 max_tcp_segment_size; } __attribute__ ((packed)) ixge_tx_context_descriptor_t; typedef union { ixge_rx_to_hw_descriptor_t rx_to_hw; ixge_rx_from_hw_descriptor_t rx_from_hw; ixge_tx_descriptor_t tx; u32x4 as_u32x4; } ixge_descriptor_t; typedef volatile struct { /* [2] pcie master disable [3] mac reset [26] global device reset */ u32 control; u32 control_alias; /* [3:2] device id (0 or 1 for dual port chips) [7] link is up [17:10] num vfs [18] io active [19] pcie master enable status */ u32 status_read_only; CLIB_PAD_FROM_TO (0xc, 0x18); /* [14] pf reset done [17] relaxed ordering disable [26] extended vlan enable [28] driver loaded */ u32 extended_control; CLIB_PAD_FROM_TO (0x1c, 0x20); /* software definable pins. sdp_data [7:0] sdp_is_output [15:8] sdp_is_native [23:16] sdp_function [31:24]. */ u32 sdp_control; CLIB_PAD_FROM_TO (0x24, 0x28); /* [0] i2c clock in [1] i2c clock out [2] i2c data in [3] i2c data out */ u32 i2c_control; CLIB_PAD_FROM_TO (0x2c, 0x4c); u32 tcp_timer; CLIB_PAD_FROM_TO (0x50, 0x200); u32 led_control; CLIB_PAD_FROM_TO (0x204, 0x600); u32 core_spare; CLIB_PAD_FROM_TO (0x604, 0x700); struct { u32 vflr_events_clear[4]; u32 mailbox_interrupt_status[4]; u32 mailbox_interrupt_enable[4]; CLIB_PAD_FROM_TO (0x730, 0x800); } pf_foo; struct { u32 status_write_1_to_clear; CLIB_PAD_FROM_TO (0x804, 0x808); u32 status_write_1_to_set; CLIB_PAD_FROM_TO (0x80c, 0x810); u32 status_auto_clear_enable; CLIB_PAD_FROM_TO (0x814, 0x820); /* [11:3] minimum inter-interrupt interval (2e-6 units; 20e-6 units for fast ethernet). [15] low-latency interrupt moderation enable [20:16] low-latency interrupt credit [27:21] interval counter [31] write disable for credit and counter (write only). */ u32 throttle0[24]; u32 enable_write_1_to_set; CLIB_PAD_FROM_TO (0x884, 0x888); u32 enable_write_1_to_clear; CLIB_PAD_FROM_TO (0x88c, 0x890); u32 enable_auto_clear; u32 msi_to_eitr_select; /* [3:0] spd 0-3 interrupt detection enable [4] msi-x enable [5] other clear disable (makes other bits in status not clear on read) etc. */ u32 control; CLIB_PAD_FROM_TO (0x89c, 0x900); /* Defines interrupt mapping for 128 rx + 128 tx queues. 64 x 4 8 bit entries. For register [i]: [5:0] bit in interrupt status for rx queue 2*i + 0 [7] valid bit [13:8] bit for tx queue 2*i + 0 [15] valid bit similar for rx 2*i + 1 and tx 2*i + 1. */ u32 queue_mapping[64]; /* tcp timer [7:0] and other interrupts [15:8] */ u32 misc_mapping; CLIB_PAD_FROM_TO (0xa04, 0xa90); /* 64 interrupts determined by mappings. */ u32 status1_write_1_to_clear[4]; u32 enable1_write_1_to_set[4]; u32 enable1_write_1_to_clear[4]; CLIB_PAD_FROM_TO (0xac0, 0xad0); u32 status1_enable_auto_clear[4]; CLIB_PAD_FROM_TO (0xae0, 0x1000); } interrupt; ixge_dma_regs_t rx_dma0[64]; CLIB_PAD_FROM_TO (0x2000, 0x2140); u32 dcb_rx_packet_plane_t4_config[8]; u32 dcb_rx_packet_plane_t4_status[8]; CLIB_PAD_FROM_TO (0x2180, 0x2300); /* reg i defines mapping for 4 rx queues starting at 4*i + 0. */ u32 rx_queue_stats_mapping[32]; u32 rx_queue_stats_control; CLIB_PAD_FROM_TO (0x2384, 0x2410); u32 fc_user_descriptor_ptr[2]; u32 fc_buffer_control; CLIB_PAD_FROM_TO (0x241c, 0x2420); u32 fc_rx_dma; CLIB_PAD_FROM_TO (0x2424, 0x2430); u32 dcb_packet_plane_control; CLIB_PAD_FROM_TO (0x2434, 0x2f00); u32 rx_dma_control; u32 pf_queue_drop_enable; CLIB_PAD_FROM_TO (0x2f08, 0x2f20); u32 rx_dma_descriptor_cache_config; CLIB_PAD_FROM_TO (0x2f24, 0x3000); /* 1 bit. */ u32 rx_enable; CLIB_PAD_FROM_TO (0x3004, 0x3008); /* [15:0] ether type (little endian) [31:16] opcode (big endian) */ u32 flow_control_control; CLIB_PAD_FROM_TO (0x300c, 0x3020); /* 3 bit traffic class for each of 8 priorities. */ u32 rx_priority_to_traffic_class; CLIB_PAD_FROM_TO (0x3024, 0x3028); u32 rx_coallesce_data_buffer_control; CLIB_PAD_FROM_TO (0x302c, 0x3190); u32 rx_packet_buffer_flush_detect; CLIB_PAD_FROM_TO (0x3194, 0x3200); u32 flow_control_tx_timers[4]; /* 2 timer values */ CLIB_PAD_FROM_TO (0x3210, 0x3220); u32 flow_control_rx_threshold_lo[8]; CLIB_PAD_FROM_TO (0x3240, 0x3260); u32 flow_control_rx_threshold_hi[8]; CLIB_PAD_FROM_TO (0x3280, 0x32a0); u32 flow_control_refresh_threshold; CLIB_PAD_FROM_TO (0x32a4, 0x3c00); /* For each of 8 traffic classes (units of bytes). */ u32 rx_packet_buffer_size[8]; CLIB_PAD_FROM_TO (0x3c20, 0x3d00); u32 flow_control_config; CLIB_PAD_FROM_TO (0x3d04, 0x4200); struct { u32 pcs_config; CLIB_PAD_FROM_TO (0x4204, 0x4208); u32 link_control; u32 link_status; u32 pcs_debug[2]; u32 auto_negotiation; u32 link_partner_ability; u32 auto_negotiation_tx_next_page; u32 auto_negotiation_link_partner_next_page; CLIB_PAD_FROM_TO (0x4228, 0x4240); } gige_mac; struct { /* [0] tx crc enable [2] enable frames up to max frame size register [31:16] [10] pad frames < 64 bytes if specified by user [15] loopback enable [16] mdc hi speed [17] turn off mdc between mdio packets */ u32 control; /* [5] rx symbol error (all bits clear on read) [6] rx illegal symbol [7] rx idle error [8] rx local fault [9] rx remote fault */ u32 status; u32 pause_and_pace_control; CLIB_PAD_FROM_TO (0x424c, 0x425c); u32 phy_command; u32 phy_data; CLIB_PAD_FROM_TO (0x4264, 0x4268); /* [31:16] max frame size in bytes. */ u32 rx_max_frame_size; CLIB_PAD_FROM_TO (0x426c, 0x4288); /* [0] [2] pcs receive link up? (latch lo) [7] local fault [1] [0] pcs 10g base r capable [1] pcs 10g base x capable [2] pcs 10g base w capable [10] rx local fault [11] tx local fault [15:14] 2 => device present at this address (else not present) */ u32 xgxs_status[2]; u32 base_x_pcs_status; /* [0] pass unrecognized flow control frames [1] discard pause frames [2] rx priority flow control enable (only in dcb mode) [3] rx flow control enable. */ u32 flow_control; /* [3:0] tx lanes change polarity [7:4] rx lanes change polarity [11:8] swizzle tx lanes [15:12] swizzle rx lanes 4 x 2 bit tx lane swap 4 x 2 bit rx lane swap. */ u32 serdes_control; u32 fifo_control; /* [0] force link up [1] autoneg ack2 bit to transmit [6:2] autoneg selector field to transmit [8:7] 10g pma/pmd type 0 => xaui, 1 kx4, 2 cx4 [9] 1g pma/pmd type 0 => sfi, 1 => kx/bx [10] disable 10g on without main power [11] restart autoneg on transition to dx power state [12] restart autoneg [15:13] link mode: 0 => 1g no autoneg 1 => 10g kx4 parallel link no autoneg 2 => 1g bx autoneg 3 => 10g sfi serdes 4 => kx4/kx/kr 5 => xgmii 1g/100m 6 => kx4/kx/kr 1g an 7 kx4/kx/kr sgmii. [16] kr support [17] fec requested [18] fec ability etc. */ u32 auto_negotiation_control; /* [0] signal detect 1g/100m [1] fec signal detect [2] 10g serial pcs fec block lock [3] 10g serial high error rate [4] 10g serial pcs block lock [5] kx/kx4/kr autoneg next page received [6] kx/kx4/kr backplane autoneg next page received [7] link status clear to read [11:8] 10g signal detect (4 lanes) (for serial just lane 0) [12] 10g serial signal detect [16:13] 10g parallel lane sync status [17] 10g parallel align status [18] 1g sync status [19] kx/kx4/kr backplane autoneg is idle [20] 1g autoneg enabled [21] 1g pcs enabled for sgmii [22] 10g xgxs enabled [23] 10g serial fec enabled (forward error detection) [24] 10g kr pcs enabled [25] sgmii enabled [27:26] mac link mode 0 => 1g 1 => 10g parallel 2 => 10g serial 3 => autoneg [29:28] link speed 1 => 100m 2 => 1g 3 => 10g [30] link is up [31] kx/kx4/kr backplane autoneg completed successfully. */ u32 link_status; /* [17:16] pma/pmd for 10g serial 0 => kr, 2 => sfi [18] disable dme pages */ u32 auto_negotiation_control2; CLIB_PAD_FROM_TO (0x42ac, 0x42b0); u32 link_partner_ability[2]; CLIB_PAD_FROM_TO (0x42b8, 0x42d0); u32 manageability_control; u32 link_partner_next_page[2]; CLIB_PAD_FROM_TO (0x42dc, 0x42e0); u32 kr_pcs_control; u32 kr_pcs_status; u32 fec_status[2]; CLIB_PAD_FROM_TO (0x42f0, 0x4314); u32 sgmii_control; CLIB_PAD_FROM_TO (0x4318, 0x4324); u32 link_status2; CLIB_PAD_FROM_TO (0x4328, 0x4900); } xge_mac; u32 tx_dcb_control; u32 tx_dcb_descriptor_plane_queue_select; u32 tx_dcb_descriptor_plane_t1_config; u32 tx_dcb_descriptor_plane_t1_status; CLIB_PAD_FROM_TO (0x4910, 0x4950); /* For each TC in units of 1k bytes. */ u32 tx_packet_buffer_thresholds[8]; CLIB_PAD_FROM_TO (0x4970, 0x4980); struct { u32 mmw; u32 config; u32 status; u32 rate_drift; } dcb_tx_rate_scheduler; CLIB_PAD_FROM_TO (0x4990, 0x4a80); u32 tx_dma_control; CLIB_PAD_FROM_TO (0x4a84, 0x4a88); u32 tx_dma_tcp_flags_control[2]; CLIB_PAD_FROM_TO (0x4a90, 0x4b00); u32 pf_mailbox[64]; CLIB_PAD_FROM_TO (0x4c00, 0x5000); /* RX */ u32 checksum_control; CLIB_PAD_FROM_TO (0x5004, 0x5008); u32 rx_filter_control; CLIB_PAD_FROM_TO (0x500c, 0x5010); u32 management_vlan_tag[8]; u32 management_udp_tcp_ports[8]; CLIB_PAD_FROM_TO (0x5050, 0x5078); /* little endian. */ u32 extended_vlan_ether_type; CLIB_PAD_FROM_TO (0x507c, 0x5080); /* [1] store/dma bad packets [8] accept all multicast [9] accept all unicast [10] accept all broadcast. */ u32 filter_control; CLIB_PAD_FROM_TO (0x5084, 0x5088); /* [15:0] vlan ethernet type (0x8100) little endian [28] cfi bit expected [29] drop packets with unexpected cfi bit [30] vlan filter enable. */ u32 vlan_control; CLIB_PAD_FROM_TO (0x508c, 0x5090); /* [1:0] hi bit of ethernet address for 12 bit index into multicast table 0 => 47, 1 => 46, 2 => 45, 3 => 43. [2] enable multicast filter */ u32 multicast_control; CLIB_PAD_FROM_TO (0x5094, 0x5100); u32 fcoe_rx_control; CLIB_PAD_FROM_TO (0x5104, 0x5108); u32 fc_flt_context; CLIB_PAD_FROM_TO (0x510c, 0x5110); u32 fc_filter_control; CLIB_PAD_FROM_TO (0x5114, 0x5120); u32 rx_message_type_lo; CLIB_PAD_FROM_TO (0x5124, 0x5128); /* [15:0] ethernet type (little endian) [18:16] matche pri in vlan tag [19] priority match enable [25:20] virtualization pool [26] pool enable [27] is fcoe [30] ieee 1588 timestamp enable [31] filter enable. (See ethernet_type_queue_select.) */ u32 ethernet_type_queue_filter[8]; CLIB_PAD_FROM_TO (0x5148, 0x5160); /* [7:0] l2 ethernet type and [15:8] l2 ethernet type or */ u32 management_decision_filters1[8]; u32 vf_vm_tx_switch_loopback_enable[2]; u32 rx_time_sync_control; CLIB_PAD_FROM_TO (0x518c, 0x5190); u32 management_ethernet_type_filters[4]; u32 rx_timestamp_attributes_lo; u32 rx_timestamp_hi; u32 rx_timestamp_attributes_hi; CLIB_PAD_FROM_TO (0x51ac, 0x51b0); u32 pf_virtual_control; CLIB_PAD_FROM_TO (0x51b4, 0x51d8); u32 fc_offset_parameter; CLIB_PAD_FROM_TO (0x51dc, 0x51e0); u32 vf_rx_enable[2]; u32 rx_timestamp_lo; CLIB_PAD_FROM_TO (0x51ec, 0x5200); /* 12 bits determined by multicast_control lookup bits in this vector. */ u32 multicast_enable[128]; /* [0] ethernet address [31:0] [1] [15:0] ethernet address [47:32] [31] valid bit. Index 0 is read from eeprom after reset. */ u32 rx_ethernet_address0[16][2]; CLIB_PAD_FROM_TO (0x5480, 0x5800); u32 wake_up_control; CLIB_PAD_FROM_TO (0x5804, 0x5808); u32 wake_up_filter_control; CLIB_PAD_FROM_TO (0x580c, 0x5818); u32 multiple_rx_queue_command_82598; CLIB_PAD_FROM_TO (0x581c, 0x5820); u32 management_control; u32 management_filter_control; CLIB_PAD_FROM_TO (0x5828, 0x5838); u32 wake_up_ip4_address_valid; CLIB_PAD_FROM_TO (0x583c, 0x5840); u32 wake_up_ip4_address_table[4]; u32 management_control_to_host; CLIB_PAD_FROM_TO (0x5854, 0x5880); u32 wake_up_ip6_address_table[4]; /* unicast_and broadcast_and vlan_and ip_address_and etc. */ u32 management_decision_filters[8]; u32 management_ip4_or_ip6_address_filters[4][4]; CLIB_PAD_FROM_TO (0x58f0, 0x5900); u32 wake_up_packet_length; CLIB_PAD_FROM_TO (0x5904, 0x5910); u32 management_ethernet_address_filters[4][2]; CLIB_PAD_FROM_TO (0x5930, 0x5a00); u32 wake_up_packet_memory[32]; CLIB_PAD_FROM_TO (0x5a80, 0x5c00); u32 redirection_table_82598[32]; u32 rss_random_keys_82598[10]; CLIB_PAD_FROM_TO (0x5ca8, 0x6000); ixge_dma_regs_t tx_dma[128]; u32 pf_vm_vlan_insert[64]; u32 tx_dma_tcp_max_alloc_size_requests; CLIB_PAD_FROM_TO (0x8104, 0x8110); u32 vf_tx_enable[2]; CLIB_PAD_FROM_TO (0x8118, 0x8120); /* [0] dcb mode enable [1] virtualization mode enable [3:2] number of tcs/qs per pool. */ u32 multiple_tx_queues_command; CLIB_PAD_FROM_TO (0x8124, 0x8200); u32 pf_vf_anti_spoof[8]; u32 pf_dma_tx_switch_control; CLIB_PAD_FROM_TO (0x8224, 0x82e0); u32 tx_strict_low_latency_queues[4]; CLIB_PAD_FROM_TO (0x82f0, 0x8600); u32 tx_queue_stats_mapping_82599[32]; u32 tx_queue_packet_counts[32]; u32 tx_queue_byte_counts[32][2]; struct { u32 control; u32 status; u32 buffer_almost_full; CLIB_PAD_FROM_TO (0x880c, 0x8810); u32 buffer_min_ifg; CLIB_PAD_FROM_TO (0x8814, 0x8900); } tx_security; struct { u32 index; u32 salt; u32 key[4]; CLIB_PAD_FROM_TO (0x8918, 0x8a00); } tx_ipsec; struct { u32 capabilities; u32 control; u32 tx_sci[2]; u32 sa; u32 sa_pn[2]; u32 key[2][4]; /* untagged packets, encrypted packets, protected packets, encrypted bytes, protected bytes */ u32 stats[5]; CLIB_PAD_FROM_TO (0x8a50, 0x8c00); } tx_link_security; struct { u32 control; u32 timestamp_value[2]; u32 system_time[2]; u32 increment_attributes; u32 time_adjustment_offset[2]; u32 aux_control; u32 target_time[2][2]; CLIB_PAD_FROM_TO (0x8c34, 0x8c3c); u32 aux_time_stamp[2][2]; CLIB_PAD_FROM_TO (0x8c4c, 0x8d00); } tx_timesync; struct { u32 control; u32 status; CLIB_PAD_FROM_TO (0x8d08, 0x8e00); } rx_security; struct { u32 index; u32 ip_address[4]; u32 spi; u32 ip_index; u32 key[4]; u32 salt; u32 mode; CLIB_PAD_FROM_TO (0x8e34, 0x8f00); } rx_ipsec; struct { u32 capabilities; u32 control; u32 sci[2]; u32 sa[2]; u32 sa_pn[2]; u32 key[2][4]; /* see datasheet */ u32 stats[17]; CLIB_PAD_FROM_TO (0x8f84, 0x9000); } rx_link_security; /* 4 wake up, 2 management, 2 wake up. */ u32 flexible_filters[8][16][4]; CLIB_PAD_FROM_TO (0x9800, 0xa000); /* 4096 bits. */ u32 vlan_filter[128]; /* [0] ethernet address [31:0] [1] [15:0] ethernet address [47:32] [31] valid bit. Index 0 is read from eeprom after reset. */ u32 rx_ethernet_address1[128][2]; /* select one of 64 pools for each rx address. */ u32 rx_ethernet_address_pool_select[128][2]; CLIB_PAD_FROM_TO (0xaa00, 0xc800); u32 tx_priority_to_traffic_class; CLIB_PAD_FROM_TO (0xc804, 0xcc00); /* In bytes units of 1k. Total packet buffer is 160k. */ u32 tx_packet_buffer_size[8]; CLIB_PAD_FROM_TO (0xcc20, 0xcd10); u32 tx_manageability_tc_mapping; CLIB_PAD_FROM_TO (0xcd14, 0xcd20); u32 dcb_tx_packet_plane_t2_config[8]; u32 dcb_tx_packet_plane_t2_status[8]; CLIB_PAD_FROM_TO (0xcd60, 0xce00); u32 tx_flow_control_status; CLIB_PAD_FROM_TO (0xce04, 0xd000); ixge_dma_regs_t rx_dma1[64]; struct { /* Bigendian ip4 src/dst address. */ u32 src_address[128]; u32 dst_address[128]; /* TCP/UDP ports [15:0] src [31:16] dst; bigendian. */ u32 tcp_udp_port[128]; /* [1:0] protocol tcp, udp, sctp, other [4:2] match priority (highest wins) [13:8] pool [25] src address match disable [26] dst address match disable [27] src port match disable [28] dst port match disable [29] protocol match disable [30] pool match disable [31] enable. */ u32 control[128]; /* [12] size bypass [19:13] must be 0x80 [20] low-latency interrupt [27:21] rx queue. */ u32 interrupt[128]; } ip4_filters; CLIB_PAD_FROM_TO (0xea00, 0xeb00); /* 4 bit rss output index indexed by 7 bit hash. 128 8 bit fields = 32 registers. */ u32 redirection_table_82599[32]; u32 rss_random_key_82599[10]; CLIB_PAD_FROM_TO (0xeba8, 0xec00); /* [15:0] reserved [22:16] rx queue index [29] low-latency interrupt on match [31] enable */ u32 ethernet_type_queue_select[8]; CLIB_PAD_FROM_TO (0xec20, 0xec30); u32 syn_packet_queue_filter; CLIB_PAD_FROM_TO (0xec34, 0xec60); u32 immediate_interrupt_rx_vlan_priority; CLIB_PAD_FROM_TO (0xec64, 0xec70); u32 rss_queues_per_traffic_class; CLIB_PAD_FROM_TO (0xec74, 0xec90); u32 lli_size_threshold; CLIB_PAD_FROM_TO (0xec94, 0xed00); struct { u32 control; CLIB_PAD_FROM_TO (0xed04, 0xed10); u32 table[8]; CLIB_PAD_FROM_TO (0xed30, 0xee00); } fcoe_redirection; struct { /* [1:0] packet buffer allocation 0 => disabled, else 64k*2^(f-1) [3] packet buffer initialization done [4] perfetch match mode [5] report status in rss field of rx descriptors [7] report status always [14:8] drop queue [20:16] flex 2 byte packet offset (units of 2 bytes) [27:24] max linked list length [31:28] full threshold. */ u32 control; CLIB_PAD_FROM_TO (0xee04, 0xee0c); u32 data[8]; /* [1:0] 0 => no action, 1 => add, 2 => remove, 3 => query. [2] valid filter found by query command [3] filter update override [4] ip6 adress table [6:5] l4 protocol reserved, udp, tcp, sctp [7] is ip6 [8] clear head/tail [9] packet drop action [10] matched packet generates low-latency interrupt [11] last in linked list [12] collision [15] rx queue enable [22:16] rx queue [29:24] pool. */ u32 command; CLIB_PAD_FROM_TO (0xee30, 0xee3c); /* ip4 dst/src address, tcp ports, udp ports. set bits mean bit is ignored. */ u32 ip4_masks[4]; u32 filter_length; u32 usage_stats; u32 failed_usage_stats; u32 filters_match_stats; u32 filters_miss_stats; CLIB_PAD_FROM_TO (0xee60, 0xee68); /* Lookup, signature. */ u32 hash_keys[2]; /* [15:0] ip6 src address 1 bit per byte [31:16] ip6 dst address. */ u32 ip6_mask; /* [0] vlan id [1] vlan priority [2] pool [3] ip protocol [4] flex [5] dst ip6. */ u32 other_mask; CLIB_PAD_FROM_TO (0xee78, 0xf000); } flow_director; struct { u32 l2_control[64]; u32 vlan_pool_filter[64]; u32 vlan_pool_filter_bitmap[128]; u32 dst_ethernet_address[128]; u32 mirror_rule[4]; u32 mirror_rule_vlan[8]; u32 mirror_rule_pool[8]; CLIB_PAD_FROM_TO (0xf650, 0x10010); } pf_bar; u32 eeprom_flash_control; /* [0] start [1] done [15:2] address [31:16] read data. */ u32 eeprom_read; CLIB_PAD_FROM_TO (0x10018, 0x1001c); u32 flash_access; CLIB_PAD_FROM_TO (0x10020, 0x10114); u32 flash_data; u32 flash_control; u32 flash_read_data; CLIB_PAD_FROM_TO (0x10120, 0x1013c); u32 flash_opcode; u32 software_semaphore; CLIB_PAD_FROM_TO (0x10144, 0x10148); u32 firmware_semaphore; CLIB_PAD_FROM_TO (0x1014c, 0x10160); u32 software_firmware_sync; CLIB_PAD_FROM_TO (0x10164, 0x10200); u32 general_rx_control; CLIB_PAD_FROM_TO (0x10204, 0x11000); struct { u32 control; CLIB_PAD_FROM_TO (0x11004, 0x11010); /* [3:0] enable counters [7:4] leaky bucket counter mode [29] reset [30] stop [31] start. */ u32 counter_control; /* [7:0],[15:8],[23:16],[31:24] event for counters 0-3. event codes: 0x0 bad tlp 0x10 reqs that reached timeout etc. */ u32 counter_event; CLIB_PAD_FROM_TO (0x11018, 0x11020); u32 counters_clear_on_read[4]; u32 counter_config[4]; struct { u32 address; u32 data; } indirect_access; CLIB_PAD_FROM_TO (0x11048, 0x11050); u32 extended_control; CLIB_PAD_FROM_TO (0x11054, 0x11064); u32 mirrored_revision_id; CLIB_PAD_FROM_TO (0x11068, 0x11070); u32 dca_requester_id_information; /* [0] global disable [4:1] mode: 0 => legacy, 1 => dca 1.0. */ u32 dca_control; CLIB_PAD_FROM_TO (0x11078, 0x110b0); /* [0] pci completion abort [1] unsupported i/o address [2] wrong byte enable [3] pci timeout */ u32 pcie_interrupt_status; CLIB_PAD_FROM_TO (0x110b4, 0x110b8); u32 pcie_interrupt_enable; CLIB_PAD_FROM_TO (0x110bc, 0x110c0); u32 msi_x_pba_clear[8]; CLIB_PAD_FROM_TO (0x110e0, 0x12300); } pcie; u32 interrupt_throttle1[128 - 24]; CLIB_PAD_FROM_TO (0x124a0, 0x14f00); u32 core_analog_config; CLIB_PAD_FROM_TO (0x14f04, 0x14f10); u32 core_common_config; CLIB_PAD_FROM_TO (0x14f14, 0x15f14); u32 link_sec_software_firmware_interface; } ixge_regs_t; typedef union { struct { /* Addresses bigendian. */ union { struct { ip6_address_t src_address; u32 unused[1]; } ip6; struct { u32 unused[3]; ip4_address_t src_address, dst_address; } ip4; }; /* [15:0] src port (little endian). [31:16] dst port. */ u32 tcp_udp_ports; /* [15:0] vlan (cfi bit set to 0). [31:16] flex bytes. bigendian. */ u32 vlan_and_flex_word; /* [14:0] hash [15] bucket valid [31:16] signature (signature filers)/sw-index (perfect match). */ u32 hash; }; u32 as_u32[8]; } ixge_flow_director_key_t; always_inline void ixge_throttle_queue_interrupt (ixge_regs_t * r, u32 queue_interrupt_index, f64 inter_interrupt_interval_in_secs) { volatile u32 *tr = (queue_interrupt_index < ARRAY_LEN (r->interrupt.throttle0) ? &r->interrupt.throttle0[queue_interrupt_index] : &r->interrupt_throttle1[queue_interrupt_index]); ASSERT (queue_interrupt_index < 128); u32 v; i32 i, mask = (1 << 9) - 1; i = flt_round_nearest (inter_interrupt_interval_in_secs / 2e-6); i = i < 1 ? 1 : i; i = i >= mask ? mask : i; v = tr[0]; v &= ~(mask << 3); v |= i << 3; tr[0] = v; } #define foreach_ixge_counter \ _ (0x40d0, rx_total_packets) \ _64 (0x40c0, rx_total_bytes) \ _ (0x41b0, rx_good_packets_before_filtering) \ _64 (0x41b4, rx_good_bytes_before_filtering) \ _ (0x2f50, rx_dma_good_packets) \ _64 (0x2f54, rx_dma_good_bytes) \ _ (0x2f5c, rx_dma_duplicated_good_packets) \ _64 (0x2f60, rx_dma_duplicated_good_bytes) \ _ (0x2f68, rx_dma_good_loopback_packets) \ _64 (0x2f6c, rx_dma_good_loopback_bytes) \ _ (0x2f74, rx_dma_good_duplicated_loopback_packets) \ _64 (0x2f78, rx_dma_good_duplicated_loopback_bytes) \ _ (0x4074, rx_good_packets) \ _64 (0x4088, rx_good_bytes) \ _ (0x407c, rx_multicast_packets) \ _ (0x4078, rx_broadcast_packets) \ _ (0x405c, rx_64_byte_packets) \ _ (0x4060, rx_65_127_byte_packets) \ _ (0x4064, rx_128_255_byte_packets) \ _ (0x4068, rx_256_511_byte_packets) \ _ (0x406c, rx_512_1023_byte_packets) \ _ (0x4070, rx_gt_1023_byte_packets) \ _ (0x4000, rx_crc_errors) \ _ (0x4120, rx_ip_checksum_errors) \ _ (0x4004, rx_illegal_symbol_errors) \ _ (0x4008, rx_error_symbol_errors) \ _ (0x4034, rx_mac_local_faults) \ _ (0x4038, rx_mac_remote_faults) \ _ (0x4040, rx_length_errors) \ _ (0x41a4, rx_xons) \ _ (0x41a8, rx_xoffs) \ _ (0x40a4, rx_undersize_packets) \ _ (0x40a8, rx_fragments) \ _ (0x40ac, rx_oversize_packets) \ _ (0x40b0, rx_jabbers) \ _ (0x40b4, rx_management_packets) \ _ (0x40b8, rx_management_drops) \ _ (0x3fa0, rx_missed_packets_pool_0) \ _ (0x40d4, tx_total_packets) \ _ (0x4080, tx_good_packets) \ _64 (0x4090, tx_good_bytes) \ _ (0x40f0, tx_multicast_packets) \ _ (0x40f4, tx_broadcast_packets) \ _ (0x87a0, tx_dma_good_packets) \ _64 (0x87a4, tx_dma_good_bytes) \ _ (0x40d8, tx_64_byte_packets) \ _ (0x40dc, tx_65_127_byte_packets) \ _ (0x40e0, tx_128_255_byte_packets) \ _ (0x40e4, tx_256_511_byte_packets) \ _ (0x40e8, tx_512_1023_byte_packets) \ _ (0x40ec, tx_gt_1023_byte_packets) \ _ (0x4010, tx_undersize_drops) \ _ (0x8780, switch_security_violation_packets) \ _ (0x5118, fc_crc_errors) \ _ (0x241c, fc_rx_drops) \ _ (0x2424, fc_last_error_count) \ _ (0x2428, fcoe_rx_packets) \ _ (0x242c, fcoe_rx_dwords) \ _ (0x8784, fcoe_tx_packets) \ _ (0x8788, fcoe_tx_dwords) \ _ (0x1030, queue_0_rx_count) \ _ (0x1430, queue_0_drop_count) \ _ (0x1070, queue_1_rx_count) \ _ (0x1470, queue_1_drop_count) \ _ (0x10b0, queue_2_rx_count) \ _ (0x14b0, queue_2_drop_count) \ _ (0x10f0, queue_3_rx_count) \ _ (0x14f0, queue_3_drop_count) \ _ (0x1130, queue_4_rx_count) \ _ (0x1530, queue_4_drop_count) \ _ (0x1170, queue_5_rx_count) \ _ (0x1570, queue_5_drop_count) \ _ (0x11b0, queue_6_rx_count) \ _ (0x15b0, queue_6_drop_count) \ _ (0x11f0, queue_7_rx_count) \ _ (0x15f0, queue_7_drop_count) \ _ (0x1230, queue_8_rx_count) \ _ (0x1630, queue_8_drop_count) \ _ (0x1270, queue_9_rx_count) \ _ (0x1270, queue_9_drop_count) typedef enum { #define _(a,f) IXGE_COUNTER_##f, #define _64(a,f) _(a,f) foreach_ixge_counter #undef _ #undef _64 IXGE_N_COUNTER, } ixge_counter_type_t; typedef struct { u32 mdio_address; /* 32 bit ID read from ID registers. */ u32 id; } ixge_phy_t; typedef struct { /* Cache aligned descriptors. */ ixge_descriptor_t *descriptors; /* Number of descriptors in table. */ u32 n_descriptors; /* Software head and tail pointers into descriptor ring. */ u32 head_index, tail_index; /* Index into dma_queues vector. */ u32 queue_index; /* Buffer indices corresponding to each active descriptor. */ u32 *descriptor_buffer_indices; union { struct { u32 *volatile head_index_write_back; u32 n_buffers_on_ring; } tx; struct { /* Buffer indices to use to replenish each descriptor. */ u32 *replenish_buffer_indices; vlib_node_runtime_t *node; u32 next_index; u32 saved_start_of_packet_buffer_index; u32 saved_start_of_packet_next_index; u32 saved_last_buffer_index; u32 is_start_of_packet; u32 n_descriptors_done_total; u32 n_descriptors_done_this_call; u32 n_bytes; } rx; }; } ixge_dma_queue_t; #define foreach_ixge_pci_device_id \ _ (82598, 0x10b6) \ _ (82598_bx, 0x1508) \ _ (82598af_dual_port, 0x10c6) \ _ (82598af_single_port, 0x10c7) \ _ (82598at, 0x10c8) \ _ (82598at2, 0x150b) \ _ (82598eb_sfp_lom, 0x10db) \ _ (82598eb_cx4, 0x10dd) \ _ (82598_cx4_dual_port, 0x10ec) \ _ (82598_da_dual_port, 0x10f1) \ _ (82598_sr_dual_port_em, 0x10e1) \ _ (82598eb_xf_lr, 0x10f4) \ _ (82599_kx4, 0x10f7) \ _ (82599_kx4_mezz, 0x1514) \ _ (82599_kr, 0x1517) \ _ (82599_combo_backplane, 0x10f8) \ _ (82599_cx4, 0x10f9) \ _ (82599_sfp, 0x10fb) \ _ (82599_backplane_fcoe, 0x152a) \ _ (82599_sfp_fcoe, 0x1529) \ _ (82599_sfp_em, 0x1507) \ _ (82599_xaui_lom, 0x10fc) \ _ (82599_t3_lom, 0x151c) \ _ (x540t, 0x1528) typedef enum { #define _(f,n) IXGE_##f = n, foreach_ixge_pci_device_id #undef _ } ixge_pci_device_id_t; typedef struct { /* registers */ ixge_regs_t *regs; /* Specific next index when using dynamic redirection */ u32 per_interface_next_index; /* PCI bus info. */ vlib_pci_device_t pci_device; /* From PCI config space header. */ ixge_pci_device_id_t device_id; u16 device_index; /* 0 or 1. */ u16 pci_function; /* VLIB interface for this instance. */ u32 vlib_hw_if_index, vlib_sw_if_index; ixge_dma_queue_t *dma_queues[VLIB_N_RX_TX]; /* Phy index (0 or 1) and address on MDI bus. */ u32 phy_index; ixge_phy_t phys[2]; /* Value of link_status register at last link change. */ u32 link_status_at_last_link_change; i2c_bus_t i2c_bus; sfp_eeprom_t sfp_eeprom; /* Counters. */ u64 counters[IXGE_N_COUNTER], counters_last_clear[IXGE_N_COUNTER]; } ixge_device_t; typedef struct { vlib_main_t *vlib_main; /* Vector of devices. */ ixge_device_t *devices; /* Descriptor ring sizes. */ u32 n_descriptors[VLIB_N_RX_TX]; /* RX buffer size. Must be at least 1k; will be rounded to next largest 1k size. */ u32 n_bytes_in_rx_buffer; u32 n_descriptors_per_cache_line; u32 vlib_buffer_free_list_index; u32 process_node_index; /* Template and mask for initializing/validating TX descriptors. */ ixge_tx_descriptor_t tx_descriptor_template, tx_descriptor_template_mask; /* Vector of buffers for which TX is done and can be freed. */ u32 *tx_buffers_pending_free; u32 *rx_buffers_to_add; f64 time_last_stats_update; } ixge_main_t; ixge_main_t ixge_main; vnet_device_class_t ixge_device_class; typedef enum { IXGE_RX_NEXT_IP4_INPUT, IXGE_RX_NEXT_IP6_INPUT, IXGE_RX_NEXT_ETHERNET_INPUT, IXGE_RX_NEXT_DROP, IXGE_RX_N_NEXT, } ixge_rx_next_t; void ixge_set_next_node (ixge_rx_next_t, char *); #endif /* included_ixge_h */ /* * fd.io coding-style-patch-verification: ON * * Local Variables: * eval: (c-set-style "gnu") * End: */