/* * This file is part of the Chelsio T4 Ethernet driver for Linux. * * Copyright (c) 2003-2014 Chelsio Communications, Inc. All rights reserved. * * This software is available to you under a choice of one of two * licenses. You may choose to be licensed under the terms of the GNU * General Public License (GPL) Version 2, available from the file * COPYING in the main directory of this source tree, or the * OpenIB.org BSD license below: * * Redistribution and use in source and binary forms, with or * without modification, are permitted provided that the following * conditions are met: * * - Redistributions of source code must retain the above * copyright notice, this list of conditions and the following * disclaimer. * * - Redistributions in binary form must reproduce the above * copyright notice, this list of conditions and the following * disclaimer in the documentation and/or other materials * provided with the distribution. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ #ifndef __CXGB4_H__ #define __CXGB4_H__ #include "t4_hw.h" #include #include #include #include #include #include #include #include #include #include #include "cxgb4_uld.h" #define CH_WARN(adap, fmt, ...) dev_warn(adap->pdev_dev, fmt, ## __VA_ARGS__) enum { MAX_NPORTS = 4, /* max # of ports */ SERNUM_LEN = 24, /* Serial # length */ EC_LEN = 16, /* E/C length */ ID_LEN = 16, /* ID length */ PN_LEN = 16, /* Part Number length */ }; enum { MEM_EDC0, MEM_EDC1, MEM_MC, MEM_MC0 = MEM_MC, MEM_MC1 }; enum { MEMWIN0_APERTURE = 2048, MEMWIN0_BASE = 0x1b800, MEMWIN1_APERTURE = 32768, MEMWIN1_BASE = 0x28000, MEMWIN1_BASE_T5 = 0x52000, MEMWIN2_APERTURE = 65536, MEMWIN2_BASE = 0x30000, MEMWIN2_APERTURE_T5 = 131072, MEMWIN2_BASE_T5 = 0x60000, }; enum dev_master { MASTER_CANT, MASTER_MAY, MASTER_MUST }; enum dev_state { DEV_STATE_UNINIT, DEV_STATE_INIT, DEV_STATE_ERR }; enum { PAUSE_RX = 1 << 0, PAUSE_TX = 1 << 1, PAUSE_AUTONEG = 1 << 2 }; struct port_stats { u64 tx_octets; /* total # of octets in good frames */ u64 tx_frames; /* all good frames */ u64 tx_bcast_frames; /* all broadcast frames */ u64 tx_mcast_frames; /* all multicast frames */ u64 tx_ucast_frames; /* all unicast frames */ u64 tx_error_frames; /* all error frames */ u64 tx_frames_64; /* # of Tx frames in a particular range */ u64 tx_frames_65_127; u64 tx_frames_128_255; u64 tx_frames_256_511; u64 tx_frames_512_1023; u64 tx_frames_1024_1518; u64 tx_frames_1519_max; u64 tx_drop; /* # of dropped Tx frames */ u64 tx_pause; /* # of transmitted pause frames */ u64 tx_ppp0; /* # of transmitted PPP prio 0 frames */ u64 tx_ppp1; /* # of transmitted PPP prio 1 frames */ u64 tx_ppp2; /* # of transmitted PPP prio 2 frames */ u64 tx_ppp3; /* # of transmitted PPP prio 3 frames */ u64 tx_ppp4; /* # of transmitted PPP prio 4 frames */ u64 tx_ppp5; /* # of transmitted PPP prio 5 frames */ u64 tx_ppp6; /* # of transmitted PPP prio 6 frames */ u64 tx_ppp7; /* # of transmitted PPP prio 7 frames */ u64 rx_octets; /* total # of octets in good frames */ u64 rx_frames; /* all good frames */ u64 rx_bcast_frames; /* all broadcast frames */ u64 rx_mcast_frames; /* all multicast frames */ u64 rx_ucast_frames; /* all unicast frames */ u64 rx_too_long; /* # of frames exceeding MTU */ u64 rx_jabber; /* # of jabber frames */ u64 rx_fcs_err; /* # of received frames with bad FCS */ u64 rx_len_err; /* # of received frames with length error */ u64 rx_symbol_err; /* symbol errors */ u64 rx_runt; /* # of short frames */ u64 rx_frames_64; /* # of Rx frames in a particular range */ u64 rx_frames_65_127; u64 rx_frames_128_255; u64 rx_frames_256_511; u64 rx_frames_512_1023; u64 rx_frames_1024_1518; u64 rx_frames_1519_max; u64 rx_pause; /* # of received pause frames */ u64 rx_ppp0; /* # of received PPP prio 0 frames */ u64 rx_ppp1; /* # of received PPP prio 1 frames */ u64 rx_ppp2; /* # of received PPP prio 2 frames */ u64 rx_ppp3; /* # of received PPP prio 3 frames */ u64 rx_ppp4; /* # of received PPP prio 4 frames */ u64 rx_ppp5; /* # of received PPP prio 5 frames */ u64 rx_ppp6; /* # of received PPP prio 6 frames */ u64 rx_ppp7; /* # of received PPP prio 7 frames */ u64 rx_ovflow0; /* drops due to buffer-group 0 overflows */ u64 rx_ovflow1; /* drops due to buffer-group 1 overflows */ u64 rx_ovflow2; /* drops due to buffer-group 2 overflows */ u64 rx_ovflow3; /* drops due to buffer-group 3 overflows */ u64 rx_trunc0; /* buffer-group 0 truncated packets */ u64 rx_trunc1; /* buffer-group 1 truncated packets */ u64 rx_trunc2; /* buffer-group 2 truncated packets */ u64 rx_trunc3; /* buffer-group 3 truncated packets */ }; struct lb_port_stats { u64 octets; u64 frames; u64 bcast_frames; u64 mcast_frames; u64 ucast_frames; u64 error_frames; u64 frames_64; u64 frames_65_127; u64 frames_128_255; u64 frames_256_511; u64 frames_512_1023; u64 frames_1024_1518; u64 frames_1519_max; u64 drop; u64 ovflow0; u64 ovflow1; u64 ovflow2; u64 ovflow3; u64 trunc0; u64 trunc1; u64 trunc2; u64 trunc3; }; struct tp_tcp_stats { u32 tcpOutRsts; u64 tcpInSegs; u64 tcpOutSegs; u64 tcpRetransSegs; }; struct tp_err_stats { u32 macInErrs[4]; u32 hdrInErrs[4]; u32 tcpInErrs[4]; u32 tnlCongDrops[4]; u32 ofldChanDrops[4]; u32 tnlTxDrops[4]; u32 ofldVlanDrops[4]; u32 tcp6InErrs[4]; u32 ofldNoNeigh; u32 ofldCongDefer; }; struct sge_params { u32 hps; /* host page size for our PF/VF */ u32 eq_qpp; /* egress queues/page for our PF/VF */ u32 iq_qpp; /* egress queues/page for our PF/VF */ }; struct tp_params { unsigned int ntxchan; /* # of Tx channels */ unsigned int tre; /* log2 of core clocks per TP tick */ unsigned int la_mask; /* what events are recorded by TP LA */ unsigned short tx_modq_map; /* TX modulation scheduler queue to */ /* channel map */ uint32_t dack_re; /* DACK timer resolution */ unsigned short tx_modq[NCHAN]; /* channel to modulation queue map */ u32 vlan_pri_map; /* cached TP_VLAN_PRI_MAP */ u32 ingress_config; /* cached TP_INGRESS_CONFIG */ /* TP_VLAN_PRI_MAP Compressed Filter Tuple field offsets. This is a * subset of the set of fields which may be present in the Compressed * Filter Tuple portion of filters and TCP TCB connections. The * fields which are present are controlled by the TP_VLAN_PRI_MAP. * Since a variable number of fields may or may not be present, their * shifted field positions within the Compressed Filter Tuple may * vary, or not even be present if the field isn't selected in * TP_VLAN_PRI_MAP. Since some of these fields are needed in various * places we store their offsets here, or a -1 if the field isn't * present. */ int vlan_shift; int vnic_shift; int port_shift; int protocol_shift; }; struct vpd_params { unsigned int cclk; u8 ec[EC_LEN + 1]; u8 sn[SERNUM_LEN + 1]; u8 id[ID_LEN + 1]; u8 pn[PN_LEN + 1]; }; struct pci_params { unsigned char speed; unsigned char width; }; #define CHELSIO_CHIP_CODE(version, revision) (((version) << 4) | (revision)) #define CHELSIO_CHIP_FPGA 0x100 #define CHELSIO_CHIP_VERSION(code) (((code) >> 4) & 0xf) #define CHELSIO_CHIP_RELEASE(code) ((code) & 0xf) #define CHELSIO_T4 0x4 #define CHELSIO_T5 0x5 enum chip_type { T4_A1 = CHELSIO_CHIP_CODE(CHELSIO_T4, 1), T4_A2 = CHELSIO_CHIP_CODE(CHELSIO_T4, 2), T4_FIRST_REV = T4_A1, T4_LAST_REV = T4_A2, T5_A0 = CHELSIO_CHIP_CODE(CHELSIO_T5, 0), T5_A1 = CHELSIO_CHIP_CODE(CHELSIO_T5, 1), T5_FIRST_REV = T5_A0, T5_LAST_REV = T5_A1, }; struct devlog_params { u32 memtype; /* which memory (EDC0, EDC1, MC) */ u32 start; /* start of log in firmware memory */ u32 size; /* size of log */ }; struct adapter_params { struct sge_params sge; struct tp_params tp; struct vpd_params vpd; struct pci_params pci; struct devlog_params devlog; enum pcie_memwin drv_memwin; unsigned int cim_la_size; unsigned int sf_size; /* serial flash size in bytes */ unsigned int sf_nsec; /* # of flash sectors */ unsigned int sf_fw_start; /* start of FW image in flash */ unsigned int fw_vers; unsigned int tp_vers; u8 api_vers[7]; unsigned short mtus[NMTUS]; unsigned short a_wnd[NCCTRL_WIN]; unsigned short b_wnd[NCCTRL_WIN]; unsigned char nports; /* # of ethernet ports */ unsigned char portvec; enum chip_type chip; /* chip code */ unsigned char offload; unsigned char bypass; unsigned int ofldq_wr_cred; bool ulptx_memwrite_dsgl; /* use of T5 DSGL allowed */ unsigned int max_ordird_qp; /* Max read depth per RDMA QP */ unsigned int max_ird_adapter; /* Max read depth per adapter */ }; #include "t4fw_api.h" #define FW_VERSION(chip) ( \ FW_HDR_FW_VER_MAJOR_G(chip##FW_VERSION_MAJOR) | \ FW_HDR_FW_VER_MINOR_G(chip##FW_VERSION_MINOR) | \ FW_HDR_FW_VER_MICRO_G(chip##FW_VERSION_MICRO) | \ FW_HDR_FW_VER_BUILD_G(chip##FW_VERSION_BUILD)) #define FW_INTFVER(chip, intf) (FW_HDR_INTFVER_##intf) struct fw_info { u8 chip; char *fs_name; char *fw_mod_name; struct fw_hdr fw_hdr; }; struct trace_params { u32 data[TRACE_LEN / 4]; u32 mask[TRACE_LEN / 4]; unsigned short snap_len; unsigned short min_len; unsigned char skip_ofst; unsigned char skip_len; unsigned char invert; unsigned char port; }; struct link_config { unsigned short supported; /* link capabilities */ unsigned short advertising; /* advertised capabilities */ unsigned short requested_speed; /* speed user has requested */ unsigned short speed; /* actual link speed */ unsigned char requested_fc; /* flow control user has requested */ unsigned char fc; /* actual link flow control */ unsigned char autoneg; /* autonegotiating? */ unsigned char link_ok; /* link up? */ }; #define FW_LEN16(fw_struct) FW_CMD_LEN16_V(sizeof(fw_struct) / 16) enum { MAX_ETH_QSETS = 32, /* # of Ethernet Tx/Rx queue sets */ MAX_OFLD_QSETS = 16, /* # of offload Tx/Rx queue sets */ MAX_CTRL_QUEUES = NCHAN, /* # of control Tx queues */ MAX_RDMA_QUEUES = NCHAN, /* # of streaming RDMA Rx queues */ MAX_RDMA_CIQS = 32, /* # of RDMA concentrator IQs */ MAX_ISCSI_QUEUES = NCHAN, /* # of streaming iSCSI Rx queues */ }; enum { INGQ_EXTRAS = 2, /* firmware event queue and */ /* forwarded interrupts */ MAX_EGRQ = MAX_ETH_QSETS*2 + MAX_OFLD_QSETS*2 + MAX_CTRL_QUEUES + MAX_RDMA_QUEUES + MAX_ISCSI_QUEUES, MAX_INGQ = MAX_ETH_QSETS + MAX_OFLD_QSETS + MAX_RDMA_QUEUES + MAX_RDMA_CIQS + MAX_ISCSI_QUEUES + INGQ_EXTRAS, }; struct adapter; struct sge_rspq; #include "cxgb4_dcb.h" struct port_info { struct adapter *adapter; u16 viid; s16 xact_addr_filt; /* index of exact MAC address filter */ u16 rss_size; /* size of VI's RSS table slice */ s8 mdio_addr; enum fw_port_type port_type; u8 mod_type; u8 port_id; u8 tx_chan; u8 lport; /* associated offload logical port */ u8 nqsets; /* # of qsets */ u8 first_qset; /* index of first qset */ u8 rss_mode; struct link_config link_cfg; u16 *rss; #ifdef CONFIG_CHELSIO_T4_DCB struct port_dcb_info dcb; /* Data Center Bridging support */ #endif }; struct dentry; struct work_struct; enum { /* adapter flags */ FULL_INIT_DONE = (1 << 0), DEV_ENABLED = (1 << 1), USING_MSI = (1 << 2), USING_MSIX = (1 << 3), FW_OK = (1 << 4), RSS_TNLALLLOOKUP = (1 << 5), USING_SOFT_PARAMS = (1 << 6), MASTER_PF = (1 << 7), FW_OFLD_CONN = (1 << 9), }; struct rx_sw_desc; struct sge_fl { /* SGE free-buffer queue state */ unsigned int avail; /* # of available Rx buffers */ unsigned int pend_cred; /* new buffers since last FL DB ring */ unsigned int cidx; /* consumer index */ unsigned int pidx; /* producer index */ unsigned long alloc_failed; /* # of times buffer allocation failed */ unsigned long large_alloc_failed; unsigned long starving; /* RO fields */ unsigned int cntxt_id; /* SGE context id for the free list */ unsigned int size; /* capacity of free list */ struct rx_sw_desc *sdesc; /* address of SW Rx descriptor ring */ __be64 *desc; /* address of HW Rx descriptor ring */ dma_addr_t addr; /* bus address of HW ring start */ void __iomem *bar2_addr; /* address of BAR2 Queue registers */ unsigned int bar2_qid; /* Queue ID for BAR2 Queue registers */ }; /* A packet gather list */ struct pkt_gl { struct page_frag frags[MAX_SKB_FRAGS]; void *va; /* virtual address of first byte */ unsigned int nfrags; /* # of fragments */ unsigned int tot_len; /* total length of fragments */ }; typedef int (*rspq_handler_t)(struct sge_rspq *q, const __be64 *rsp, const struct pkt_gl *gl); struct sge_rspq { /* state for an SGE response queue */ struct napi_struct napi; const __be64 *cur_desc; /* current descriptor in queue */ unsigned int cidx; /* consumer index */ u8 gen; /* current generation bit */ u8 intr_params; /* interrupt holdoff parameters */ u8 next_intr_params; /* holdoff params for next interrupt */ u8 adaptive_rx; u8 pktcnt_idx; /* interrupt packet threshold */ u8 uld; /* ULD handling this queue */ u8 idx; /* queue index within its group */ int offset; /* offset into current Rx buffer */ u16 cntxt_id; /* SGE context id for the response q */ u16 abs_id; /* absolute SGE id for the response q */ __be64 *desc; /* address of HW response ring */ dma_addr_t phys_addr; /* physical address of the ring */ void __iomem *bar2_addr; /* address of BAR2 Queue registers */ unsigned int bar2_qid; /* Queue ID for BAR2 Queue registers */ unsigned int iqe_len; /* entry size */ unsigned int size; /* capacity of response queue */ struct adapter *adap; struct net_device *netdev; /* associated net device */ rspq_handler_t handler; #ifdef CONFIG_NET_RX_BUSY_POLL #define CXGB_POLL_STATE_IDLE 0 #define CXGB_POLL_STATE_NAPI BIT(0) /* NAPI owns this poll */ #define CXGB_POLL_STATE_POLL BIT(1) /* poll owns this poll */ #define CXGB_POLL_STATE_NAPI_YIELD BIT(2) /* NAPI yielded this poll */ #define CXGB_POLL_STATE_POLL_YIELD BIT(3) /* poll yielded this poll */ #define CXGB_POLL_YIELD (CXGB_POLL_STATE_NAPI_YIELD | \ CXGB_POLL_STATE_POLL_YIELD) #define CXGB_POLL_LOCKED (CXGB_POLL_STATE_NAPI | \ CXGB_POLL_STATE_POLL) #define CXGB_POLL_USER_PEND (CXGB_POLL_STATE_POLL | \ CXGB_POLL_STATE_POLL_YIELD) unsigned int bpoll_state; spinlock_t bpoll_lock; /* lock for busy poll */ #endif /* CONFIG_NET_RX_BUSY_POLL */ }; struct sge_eth_stats { /* Ethernet queue statistics */ unsigned long pkts; /* # of ethernet packets */ unsigned long lro_pkts; /* # of LRO super packets */ unsigned long lro_merged; /* # of wire packets merged by LRO */ unsigned long rx_cso; /* # of Rx checksum offloads */ unsigned long vlan_ex; /* # of Rx VLAN extractions */ unsigned long rx_drops; /* # of packets dropped due to no mem */ }; struct sge_eth_rxq { /* SW Ethernet Rx queue */ struct sge_rspq rspq; struct sge_fl fl; struct sge_eth_stats stats; } ____cacheline_aligned_in_smp; struct sge_ofld_stats { /* offload queue statistics */ unsigned long pkts; /* # of packets */ unsigned long imm; /* # of immediate-data packets */ unsigned long an; /* # of asynchronous notifications */ unsigned long nomem; /* # of responses deferred due to no mem */ }; struct sge_ofld_rxq { /* SW offload Rx queue */ struct sge_rspq rspq; struct sge_fl fl; struct sge_ofld_stats stats; } ____cacheline_aligned_in_smp; struct tx_desc { __be64 flit[8]; }; struct tx_sw_desc; struct sge_txq { unsigned int in_use; /* # of in-use Tx descriptors */ unsigned int size; /* # of descriptors */ unsigned int cidx; /* SW consumer index */ unsigned int pidx; /* producer index */ unsigned long stops; /* # of times q has been stopped */ unsigned long restarts; /* # of queue restarts */ unsigned int cntxt_id; /* SGE context id for the Tx q */ struct tx_desc *desc; /* address of HW Tx descriptor ring */ struct tx_sw_desc *sdesc; /* address of SW Tx descriptor ring */ struct sge_qstat *stat; /* queue status entry */ dma_addr_t phys_addr; /* physical address of the ring */ spinlock_t db_lock; int db_disabled; unsigned short db_pidx; unsigned short db_pidx_inc; void __iomem *bar2_addr; /* address of BAR2 Queue registers */ unsigned int bar2_qid; /* Queue ID for BAR2 Queue registers */ }; struct sge_eth_txq { /* state for an SGE Ethernet Tx queue */ struct sge_txq q; struct netdev_queue *txq; /* associated netdev TX queue */ #ifdef CONFIG_CHELSIO_T4_DCB u8 dcb_prio; /* DCB Priority bound to queue */ #endif unsigned long tso; /* # of TSO requests */ unsigned long tx_cso; /* # of Tx checksum offloads */ unsigned long vlan_ins; /* # of Tx VLAN insertions */ unsigned long mapping_err; /* # of I/O MMU packet mapping errors */ } ____cacheline_aligned_in_smp; struct sge_ofld_txq { /* state for an SGE offload Tx queue */ struct sge_txq q; struct adapter *adap; struct sk_buff_head sendq; /* list of backpressured packets */ struct tasklet_struct qresume_tsk; /* restarts the queue */ u8 full; /* the Tx ring is full */ unsigned long mapping_err; /* # of I/O MMU packet mapping errors */ } ____cacheline_aligned_in_smp; struct sge_ctrl_txq { /* state for an SGE control Tx queue */ struct sge_txq q; struct adapter *adap; struct sk_buff_head sendq; /* list of backpressured packets */ struct tasklet_struct qresume_tsk; /* restarts the queue */ u8 full; /* the Tx ring is full */ } ____cacheline_aligned_in_smp; struct sge { struct sge_eth_txq ethtxq[MAX_ETH_QSETS]; struct sge_ofld_txq ofldtxq[MAX_OFLD_QSETS]; struct sge_ctrl_txq ctrlq[MAX_CTRL_QUEUES]; struct sge_eth_rxq ethrxq[MAX_ETH_QSETS]; struct sge_ofld_rxq ofldrxq[MAX_OFLD_QSETS]; struct sge_ofld_rxq rdmarxq[MAX_RDMA_QUEUES]; struct sge_ofld_rxq rdmaciq[MAX_RDMA_CIQS]; struct sge_rspq fw_evtq ____cacheline_aligned_in_smp; struct sge_rspq intrq ____cacheline_aligned_in_smp; spinlock_t intrq_lock; u16 max_ethqsets; /* # of available Ethernet queue sets */ u16 ethqsets; /* # of active Ethernet queue sets */ u16 ethtxq_rover; /* Tx queue to clean up next */ u16 ofldqsets; /* # of active offload queue sets */ u16 rdmaqs; /* # of available RDMA Rx queues */ u16 rdmaciqs; /* # of available RDMA concentrator IQs */ u16 ofld_rxq[MAX_OFLD_QSETS]; u16 rdma_rxq[MAX_RDMA_QUEUES]; u16 rdma_ciq[MAX_RDMA_CIQS]; u16 timer_val[SGE_NTIMERS]; u8 counter_val[SGE_NCOUNTERS]; u32 fl_pg_order; /* large page allocation size */ u32 stat_len; /* length of status page at ring end */ u32 pktshift; /* padding between CPL & packet data */ u32 fl_align; /* response queue message alignment */ u32 fl_starve_thres; /* Free List starvation threshold */ /* State variables for detecting an SGE Ingress DMA hang */ unsigned int idma_1s_thresh;/* SGE same State Counter 1s threshold */ unsigned int idma_stalled[2];/* SGE synthesized stalled timers in HZ */ unsigned int idma_state[2]; /* SGE IDMA Hang detect state */ unsigned int idma_qid[2]; /* SGE IDMA Hung Ingress Queue ID */ unsigned int egr_start; unsigned int ingr_start; void *egr_map[MAX_EGRQ]; /* qid->queue egress queue map */ struct sge_rspq *ingr_map[MAX_INGQ]; /* qid->queue ingress queue map */ DECLARE_BITMAP(starving_fl, MAX_EGRQ); DECLARE_BITMAP(txq_maperr, MAX_EGRQ); struct timer_list rx_timer; /* refills starving FLs */ struct timer_list tx_timer; /* checks Tx queues */ }; #define for_each_ethrxq(sge, i) for (i = 0; i < (sge)->ethqsets; i++) #define for_each_ofldrxq(sge, i) for (i = 0; i < (sge)->ofldqsets; i++) #define for_each_rdmarxq(sge, i) for (i = 0; i < (sge)->rdmaqs; i++) #define for_each_rdmaciq(sge, i) for (i = 0; i < (sge)->rdmaciqs; i++) struct l2t_data; #ifdef CONFIG_PCI_IOV /* T4 supports SRIOV on PF0-3 and T5 on PF0-7. However, the Serial * Configuration initialization for T5 only has SR-IOV functionality enabled * on PF0-3 in order to simplify everything. */ #define NUM_OF_PF_WITH_SRIOV 4 #endif struct adapter { void __iomem *regs; void __iomem *bar2; u32 t4_bar0; struct pci_dev *pdev; struct device *pdev_dev; unsigned int mbox; unsigned int fn; unsigned int flags; enum chip_type chip; int msg_enable; struct adapter_params params; struct cxgb4_virt_res vres; unsigned int swintr; unsigned int wol; struct { unsigned short vec; char desc[IFNAMSIZ + 10]; } msix_info[MAX_INGQ + 1]; struct sge sge; struct net_device *port[MAX_NPORTS]; u8 chan_map[NCHAN]; /* channel -> port map */ u32 filter_mode; unsigned int l2t_start; unsigned int l2t_end; struct l2t_data *l2t; unsigned int clipt_start; unsigned int clipt_end; struct clip_tbl *clipt; void *uld_handle[CXGB4_ULD_MAX]; struct list_head list_node; struct list_head rcu_node; struct tid_info tids; void **tid_release_head; spinlock_t tid_release_lock; struct workqueue_struct *workq; struct work_struct tid_release_task; struct work_struct db_full_task; struct work_struct db_drop_task; bool tid_release_task_busy; struct dentry *debugfs_root; spinlock_t stats_lock; spinlock_t win0_lock ____cacheline_aligned_in_smp; }; /* Defined bit width of user definable filter tuples */ #define ETHTYPE_BITWIDTH 16 #define FRAG_BITWIDTH 1 #define MACIDX_BITWIDTH 9 #define FCOE_BITWIDTH 1 #define IPORT_BITWIDTH 3 #define MATCHTYPE_BITWIDTH 3 #define PROTO_BITWIDTH 8 #define TOS_BITWIDTH 8 #define PF_BITWIDTH 8 #define VF_BITWIDTH 8 #define IVLAN_BITWIDTH 16 #define OVLAN_BITWIDTH 16 /* Filter matching rules. These consist of a set of ingress packet field * (value, mask) tuples. The associated ingress packet field matches the * tuple when ((field & mask) == value). (Thus a wildcard "don't care" field * rule can be constructed by specifying a tuple of (0, 0).) A filter rule * matches an ingress packet when all of the individual individual field * matching rules are true. * * Partial field masks are always valid, however, while it may be easy to * understand their meanings for some fields (e.g. IP address to match a * subnet), for others making sensible partial masks is less intuitive (e.g. * MPS match type) ... * * Most of the following data structures are modeled on T4 capabilities. * Drivers for earlier chips use the subsets which make sense for those chips. * We really need to come up with a hardware-independent mechanism to * represent hardware filter capabilities ... */ struct ch_filter_tuple { /* Compressed header matching field rules. The TP_VLAN_PRI_MAP * register selects which of these fields will participate in the * filter match rules -- up to a maximum of 36 bits. Because * TP_VLAN_PRI_MAP is a global register, all filters must use the same * set of fields. */ uint32_t ethtype:ETHTYPE_BITWIDTH; /* Ethernet type */ uint32_t frag:FRAG_BITWIDTH; /* IP fragmentation header */ uint32_t ivlan_vld:1; /* inner VLAN valid */ uint32_t ovlan_vld:1; /* outer VLAN valid */ uint32_t pfvf_vld:1; /* PF/VF valid */ uint32_t macidx:MACIDX_BITWIDTH; /* exact match MAC index */ uint32_t fcoe:FCOE_BITWIDTH; /* FCoE packet */ uint32_t iport:IPORT_BITWIDTH; /* ingress port */ uint32_t matchtype:MATCHTYPE_BITWIDTH; /* MPS match type */ uint32_t proto:PROTO_BITWIDTH; /* protocol type */ uint32_t tos:TOS_BITWIDTH; /* TOS/Traffic Type */ uint32_t pf:PF_BITWIDTH; /* PCI-E PF ID */ uint32_t vf:VF_BITWIDTH; /* PCI-E VF ID */ uint32_t ivlan:IVLAN_BITWIDTH; /* inner VLAN */ uint32_t ovlan:OVLAN_BITWIDTH; /* outer VLAN */ /* Uncompressed header matching field rules. These are always * available for field rules. */ uint8_t lip[16]; /* local IP address (IPv4 in [3:0]) */ uint8_t fip[16]; /* foreign IP address (IPv4 in [3:0]) */ uint16_t lport; /* local port */ uint16_t fport; /* foreign port */ }; /* A filter ioctl command. */ struct ch_filter_specification { /* Administrative fields for filter. */ uint32_t hitcnts:1; /* count filter hits in TCB */ uint32_t prio:1; /* filter has priority over active/server */ /* Fundamental filter typing. This is the one element of filter * matching that doesn't exist as a (value, mask) tuple. */ uint32_t type:1; /* 0 => IPv4, 1 => IPv6 */ /* Packet dispatch information. Ingress packets which match the * filter rules will be dropped, passed to the host or switched back * out as egress packets. */ uint32_t action:2; /* drop, pass, switch */ uint32_t rpttid:1; /* report TID in RSS hash field */ uint32_t dirsteer:1; /* 0 => RSS, 1 => steer to iq */ uint32_t iq:10; /* ingress queue */ uint32_t maskhash:1; /* dirsteer=0: store RSS hash in TCB */ uint32_t dirsteerhash:1;/* dirsteer=1: 0 => TCB contains RSS hash */ /* 1 => TCB contains IQ ID */ /* Switch proxy/rewrite fields. An ingress packet which matches a * filter with "switch" set will be looped back out as an egress * packet -- potentially with some Ethernet header rewriting. */ uint32_t eport:2; /* egress port to switch packet out */ uint32_t newdmac:1; /* rewrite destination MAC address */ uint32_t newsmac:1; /* rewrite source MAC address */ uint32_t newvlan:2; /* rewrite VLAN Tag */ uint8_t dmac[ETH_ALEN]; /* new destination MAC address */ uint8_t smac[ETH_ALEN]; /* new source MAC address */ uint16_t vlan; /* VLAN Tag to insert */ /* Filter rule value/mask pairs. */ struct ch_filter_tuple val; struct ch_filter_tuple mask; }; enum { FILTER_PASS = 0, /* default */ FILTER_DROP, FILTER_SWITCH }; enum { VLAN_NOCHANGE = 0, /* default */ VLAN_REMOVE, VLAN_INSERT, VLAN_REWRITE }; static inline int is_t5(enum chip_type chip) { return CHELSIO_CHIP_VERSION(chip) == CHELSIO_T5; } static inline int is_t4(enum chip_type chip) { return CHELSIO_CHIP_VERSION(chip) == CHELSIO_T4; } static inline u32 t4_read_reg(struct adapter *adap, u32 reg_addr) { return readl(adap->regs + reg_addr); } static inline void t4_write_reg(struct adapter *adap, u32 reg_addr, u32 val) { writel(val, adap->regs + reg_addr); } #ifndef readq static inline u64 readq(const volatile void __iomem *addr) { return readl(addr) + ((u64)readl(addr + 4) << 32); } static inline void writeq(u64 val, volatile void __iomem *addr) { writel(val, addr); writel(val >> 32, addr + 4); } #endif static inline u64 t4_read_reg64(struct adapter *adap, u32 reg_addr) { return readq(adap->regs + reg_addr); } static inline void t4_write_reg64(struct adapter *adap, u32 reg_addr, u64 val) { writeq(val, adap->regs + reg_addr); } /** * netdev2pinfo - return the port_info structure associated with a net_device * @dev: the netdev * * Return the struct port_info associated with a net_device */ static inline struct port_info *netdev2pinfo(const struct net_device *dev) { return netdev_priv(dev); } /** * adap2pinfo - return the port_info of a port * @adap: the adapter * @idx: the port index * * Return the port_info structure for the port of the given index. */ static inline struct port_info *adap2pinfo(struct adapter *adap, int idx) { return netdev_priv(adap->port[idx]); } /** * netdev2adap - return the adapter structure associated with a net_device * @dev: the netdev * * Return the struct adapter associated with a net_device */ static inline struct adapter *netdev2adap(const struct net_device *dev) { return netdev2pinfo(dev)->adapter; } #ifdef CONFIG_NET_RX_BUSY_POLL static inline void cxgb_busy_poll_init_lock(struct sge_rspq *q) { spin_lock_init(&q->bpoll_lock); q->bpoll_state = CXGB_POLL_STATE_IDLE; } static inline bool cxgb_poll_lock_napi(struct sge_rspq *q) { bool rc = true; spin_lock(&q->bpoll_lock); if (q->bpoll_state & CXGB_POLL_LOCKED) { q->bpoll_state |= CXGB_POLL_STATE_NAPI_YIELD; rc = false; } else { q->bpoll_state = CXGB_POLL_STATE_NAPI; } spin_unlock(&q->bpoll_lock); return rc; } static inline bool cxgb_poll_unlock_napi(struct sge_rspq *q) { bool rc = false; spin_lock(&q->bpoll_lock); if (q->bpoll_state & CXGB_POLL_STATE_POLL_YIELD) rc = true; q->bpoll_state = CXGB_POLL_STATE_IDLE; spin_unlock(&q->bpoll_lock); return rc; } static inline bool cxgb_poll_lock_poll(struct sge_rspq *q) { bool rc = true; spin_lock_bh(&q->bpoll_lock); if (q->bpoll_state & CXGB_POLL_LOCKED) { q->bpoll_state |= CXGB_POLL_STATE_POLL_YIELD; rc = false; } else { q->bpoll_state |= CXGB_POLL_STATE_POLL; } spin_unlock_bh(&q->bpoll_lock); return rc; } static inline bool cxgb_poll_unlock_poll(struct sge_rspq *q) { bool rc = false; spin_lock_bh(&q->bpoll_lock); if (q->bpoll_state & CXGB_POLL_STATE_POLL_YIELD) rc = true; q->bpoll_state = CXGB_POLL_STATE_IDLE; spin_unlock_bh(&q->bpoll_lock); return rc; } static inline bool cxgb_poll_busy_polling(struct sge_rspq *q) { return q->bpoll_state & CXGB_POLL_USER_PEND; } #else static inline void cxgb_busy_poll_init_lock(struct sge_rspq *q) { } static inline bool cxgb_poll_lock_napi(struct sge_rspq *q) { return true; } static inline bool cxgb_poll_unlock_napi(struct sge_rspq *q) { return false; } static inline bool cxgb_poll_lock_poll(struct sge_rspq *q) { return false; } static inline bool cxgb_poll_unlock_poll(struct sge_rspq *q) { return false; } static inline bool cxgb_poll_busy_polling(struct sge_rspq *q) { return false; } #endif /* CONFIG_NET_RX_BUSY_POLL */ void t4_os_portmod_changed(const struct adapter *adap, int port_id); void t4_os_link_changed(struct adapter *adap, int port_id, int link_stat); void *t4_alloc_mem(size_t size); void t4_free_sge_resources(struct adapter *adap); void t4_free_ofld_rxqs(struct adapter *adap, int n, struct sge_ofld_rxq *q); irq_handler_t t4_intr_handler(struct adapter *adap); netdev_tx_t t4_eth_xmit(struct sk_buff *skb, struct net_device *dev); int t4_ethrx_handler(struct sge_rspq *q, const __be64 *rsp, const struct pkt_gl *gl); int t4_mgmt_tx(struct adapter *adap, struct sk_buff *skb); int t4_ofld_send(struct adapter *adap, struct sk_buff *skb); int t4_sge_alloc_rxq(struct adapter *adap, struct sge_rspq *iq, bool fwevtq, struct net_device *dev, int intr_idx, struct sge_fl *fl, rspq_handler_t hnd); int t4_sge_alloc_eth_txq(struct adapter *adap, struct sge_eth_txq *txq, struct net_device *dev, struct netdev_queue *netdevq, unsigned int iqid); int t4_sge_alloc_ctrl_txq(struct adapter *adap, struct sge_ctrl_txq *txq, struct net_device *dev, unsigned int iqid, unsigned int cmplqid); int t4_sge_alloc_ofld_txq(struct adapter *adap, struct sge_ofld_txq *txq, struct net_device *dev, unsigned int iqid); irqreturn_t t4_sge_intr_msix(int irq, void *cookie); int t4_sge_init(struct adapter *adap); void t4_sge_start(struct adapter *adap); void t4_sge_stop(struct adapter *adap); int cxgb_busy_poll(struct napi_struct *napi); extern int dbfifo_int_thresh; #define for_each_port(adapter, iter) \ for (iter = 0; iter < (adapter)->params.nports; ++iter) static inline int is_bypass(struct adapter *adap) { return adap->params.bypass; } static inline int is_bypass_device(int device) { /* this should be set based upon device capabilities */ switch (device) { case 0x440b: case 0x440c: return 1; default: return 0; } } static inline unsigned int core_ticks_per_usec(const struct adapter *adap) { return adap->params.vpd.cclk / 1000; } static inline unsigned int us_to_core_ticks(const struct adapter *adap, unsigned int us) { return (us * adap->params.vpd.cclk) / 1000; } static inline unsigned int core_ticks_to_us(const struct adapter *adapter, unsigned int ticks) { /* add Core Clock / 2 to round ticks to nearest uS */ return ((ticks * 1000 + adapter->params.vpd.cclk/2) / adapter->params.vpd.cclk); } void t4_set_reg_field(struct adapter *adap, unsigned int addr, u32 mask, u32 val); int t4_wr_mbox_meat(struct adapter *adap, int mbox, const void *cmd, int size, void *rpl, bool sleep_ok); static inline int t4_wr_mbox(struct adapter *adap, int mbox, const void *cmd, int size, void *rpl) { return t4_wr_mbox_meat(adap, mbox, cmd, size, rpl, true); } static inline int t4_wr_mbox_ns(struct adapter *adap, int mbox, const void *cmd, int size, void *rpl) { return t4_wr_mbox_meat(adap, mbox, cmd, size, rpl, false); } void t4_write_indirect(struct adapter *adap, unsigned int addr_reg, unsigned int data_reg, const u32 *vals, unsigned int nregs, unsigned int start_idx); void t4_read_indirect(struct adapter *adap, unsigned int addr_reg, unsigned int data_reg, u32 *vals, unsigned int nregs, unsigned int start_idx); void t4_hw_pci_read_cfg4(struct adapter *adapter, int reg, u32 *val); struct fw_filter_wr; void t4_intr_enable(struct adapter *adapter); void t4_intr_disable(struct adapter *adapter); int t4_slow_intr_handler(struct adapter *adapter); int t4_wait_dev_ready(void __iomem *regs); int t4_link_start(struct adapter *adap, unsigned int mbox, unsigned int port, struct link_config *lc); int t4_restart_aneg(struct adapter *adap, unsigned int mbox, unsigned int port); #define T4_MEMORY_WRITE 0 #define T4_MEMORY_READ 1 int t4_memory_rw(struct adapter *adap, int win, int mtype, u32 addr, u32 len, void *buf, int dir); static inline int t4_memory_write(struct adapter *adap, int mtype, u32 addr, u32 len, __be32 *buf) { return t4_memory_rw(adap, 0, mtype, addr, len, buf, 0); } int t4_seeprom_wp(struct adapter *adapter, bool enable); int get_vpd_params(struct adapter *adapter, struct vpd_params *p); int t4_read_flash(struct adapter *adapter, unsigned int addr, unsigned int nwords, u32 *data, int byte_oriented); int t4_load_fw(struct adapter *adapter, const u8 *fw_data, unsigned int size); int t4_fwcache(struct adapter *adap, enum fw_params_param_dev_fwcache op); int t4_fw_upgrade(struct adapter *adap, unsigned int mbox, const u8 *fw_data, unsigned int size, int force); unsigned int t4_flash_cfg_addr(struct adapter *adapter); int t4_get_fw_version(struct adapter *adapter, u32 *vers); int t4_get_tp_version(struct adapter *adapter, u32 *vers); int t4_get_exprom_version(struct adapter *adapter, u32 *vers); int t4_prep_fw(struct adapter *adap, struct fw_info *fw_info, const u8 *fw_data, unsigned int fw_size, struct fw_hdr *card_fw, enum dev_state state, int *reset); int t4_prep_adapter(struct adapter *adapter); enum t4_bar2_qtype { T4_BAR2_QTYPE_EGRESS, T4_BAR2_QTYPE_INGRESS }; int cxgb4_t4_bar2_sge_qregs(struct adapter *adapter, unsigned int qid, enum t4_bar2_qtype qtype, u64 *pbar2_qoffset, unsigned int *pbar2_qid); unsigned int qtimer_val(const struct adapter *adap, const struct sge_rspq *q); int t4_init_sge_params(struct adapter *adapter); int t4_init_tp_params(struct adapter *adap); int t4_filter_field_shift(const struct adapter *adap, int filter_sel); int t4_port_init(struct adapter *adap, int mbox, int pf, int vf); void t4_fatal_err(struct adapter *adapter); int t4_config_rss_range(struct adapter *adapter, int mbox, unsigned int viid, int start, int n, const u16 *rspq, unsigned int nrspq); int t4_config_glbl_rss(struct adapter *adapter, int mbox, unsigned int mode, unsigned int flags); int t4_read_rss(struct adapter *adapter, u16 *entries); void t4_read_rss_key(struct adapter *adapter, u32 *key); void t4_write_rss_key(struct adapter *adap, const u32 *key, int idx); void t4_read_rss_pf_config(struct adapter *adapter, unsigned int index, u32 *valp); void t4_read_rss_vf_config(struct adapter *adapter, unsigned int index, u32 *vfl, u32 *vfh); u32 t4_read_rss_pf_map(struct adapter *adapter); u32 t4_read_rss_pf_mask(struct adapter *adapter); int t4_mc_read(struct adapter *adap, int idx, u32 addr, __be32 *data, u64 *parity); int t4_edc_read(struct adapter *adap, int idx, u32 addr, __be32 *data, u64 *parity); void t4_pmtx_get_stats(struct adapter *adap, u32 cnt[], u64 cycles[]); void t4_pmrx_get_stats(struct adapter *adap, u32 cnt[], u64 cycles[]); int t4_read_cim_ibq(struct adapter *adap, unsigned int qid, u32 *data, size_t n); int t4_read_cim_obq(struct adapter *adap, unsigned int qid, u32 *data, size_t n); int t4_cim_read(struct adapter *adap, unsigned int addr, unsigned int n, unsigned int *valp); int t4_cim_write(struct adapter *adap, unsigned int addr, unsigned int n, const unsigned int *valp); int t4_cim_read_la(struct adapter *adap, u32 *la_buf, unsigned int *wrptr); void t4_read_cimq_cfg(struct adapter *adap, u16 *base, u16 *size, u16 *thres); const char *t4_get_port_type_description(enum fw_port_type port_type); void t4_get_port_stats(struct adapter *adap, int idx, struct port_stats *p); void t4_read_mtu_tbl(struct adapter *adap, u16 *mtus, u8 *mtu_log); void t4_read_cong_tbl(struct adapter *adap, u16 incr[NMTUS][NCCTRL_WIN]); void t4_tp_wr_bits_indirect(struct adapter *adap, unsigned int addr, unsigned int mask, unsigned int val); void t4_tp_read_la(struct adapter *adap, u64 *la_buf, unsigned int *wrptr); void t4_tp_get_tcp_stats(struct adapter *adap, struct tp_tcp_stats *v4, struct tp_tcp_stats *v6); void t4_load_mtus(struct adapter *adap, const unsigned short *mtus, const unsigned short *alpha, const unsigned short *beta); void t4_ulprx_read_la(struct adapter *adap, u32 *la_buf); void t4_mk_filtdelwr(unsigned int ftid, struct fw_filter_wr *wr, int qid); void t4_wol_magic_enable(struct adapter *adap, unsigned int port, const u8 *addr); int t4_wol_pat_enable(struct adapter *adap, unsigned int port, unsigned int map, u64 mask0, u64 mask1, unsigned int crc, bool enable); int t4_fw_hello(struct adapter *adap, unsigned int mbox, unsigned int evt_mbox, enum dev_master master, enum dev_state *state); int t4_fw_bye(struct adapter *adap, unsigned int mbox); int t4_early_init(struct adapter *adap, unsigned int mbox); int t4_fw_reset(struct adapter *adap, unsigned int mbox, int reset); int t4_fixup_host_params(struct adapter *adap, unsigned int page_size, unsigned int cache_line_size); int t4_fw_initialize(struct adapter *adap, unsigned int mbox); int t4_query_params(struct adapter *adap, unsigned int mbox, unsigned int pf, unsigned int vf, unsigned int nparams, const u32 *params, u32 *val); int t4_set_params(struct adapter *adap, unsigned int mbox, unsigned int pf, unsigned int vf, unsigned int nparams, const u32 *params, const u32 *val); int t4_set_params_nosleep(struct adapter *adap, unsigned int mbox, unsigned int pf, unsigned int vf, unsigned int nparams, const u32 *params, const u32 *val); int t4_cfg_pfvf(struct adapter *adap, unsigned int mbox, unsigned int pf, unsigned int vf, unsigned int txq, unsigned int txq_eth_ctrl, unsigned int rxqi, unsigned int rxq, unsigned int tc, unsigned int vi, unsigned int cmask, unsigned int pmask, unsigned int nexact, unsigned int rcaps, unsigned int wxcaps); int t4_alloc_vi(struct adapter *adap, unsigned int mbox, unsigned int port, unsigned int pf, unsigned int vf, unsigned int nmac, u8 *mac, unsigned int *rss_size); int t4_set_rxmode(struct adapter *adap, unsigned int mbox, unsigned int viid, int mtu, int promisc, int all_multi, int bcast, int vlanex, bool sleep_ok); int t4_alloc_mac_filt(struct adapter *adap, unsigned int mbox, unsigned int viid, bool free, unsigned int naddr, const u8 **addr, u16 *idx, u64 *hash, bool sleep_ok); int t4_change_mac(struct adapter *adap, unsigned int mbox, unsigned int viid, int idx, const u8 *addr, bool persist, bool add_smt); int t4_set_addr_hash(struct adapter *adap, unsigned int mbox, unsigned int viid, bool ucast, u64 vec, bool sleep_ok); int t4_enable_vi_params(struct adapter *adap, unsigned int mbox, unsigned int viid, bool rx_en, bool tx_en, bool dcb_en); int t4_enable_vi(struct adapter *adap, unsigned int mbox, unsigned int viid, bool rx_en, bool tx_en); int t4_identify_port(struct adapter *adap, unsigned int mbox, unsigned int viid, unsigned int nblinks); int t4_mdio_rd(struct adapter *adap, unsigned int mbox, unsigned int phy_addr, unsigned int mmd, unsigned int reg, u16 *valp); int t4_mdio_wr(struct adapter *adap, unsigned int mbox, unsigned int phy_addr, unsigned int mmd, unsigned int reg, u16 val); int t4_iq_free(struct adapter *adap, unsigned int mbox, unsigned int pf, unsigned int vf, unsigned int iqtype, unsigned int iqid, unsigned int fl0id, unsigned int fl1id); int t4_eth_eq_free(struct adapter *adap, unsigned int mbox, unsigned int pf, unsigned int vf, unsigned int eqid); int t4_ctrl_eq_free(struct adapter *adap, unsigned int mbox, unsigned int pf, unsigned int vf, unsigned int eqid); int t4_ofld_eq_free(struct adapter *adap, unsigned int mbox, unsigned int pf, unsigned int vf, unsigned int eqid); int t4_handle_fw_rpl(struct adapter *adap, const __be64 *rpl); void t4_db_full(struct adapter *adapter); void t4_db_dropped(struct adapter *adapter); int t4_fwaddrspace_write(struct adapter *adap, unsigned int mbox, u32 addr, u32 val); void t4_sge_decode_idma_state(struct adapter *adapter, int state); void t4_free_mem(void *addr); #endif /* __CXGB4_H__ */