/*
* 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 <linux/bitops.h>
#include <linux/cache.h>
#include <linux/interrupt.h>
#include <linux/list.h>
#include <linux/netdevice.h>
#include <linux/pci.h>
#include <linux/spinlock.h>
#include <linux/timer.h>
#include <linux/vmalloc.h>
#include <asm/io.h>
#include "cxgb4_uld.h"
#define T4FW_VERSION_MAJOR 0x01
#define T4FW_VERSION_MINOR 0x09
#define T4FW_VERSION_MICRO 0x17
#define T4FW_VERSION_BUILD 0x00
#define T5FW_VERSION_MAJOR 0x01
#define T5FW_VERSION_MINOR 0x09
#define T5FW_VERSION_MICRO 0x17
#define T5FW_VERSION_BUILD 0x00
#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_BASE_T5 = 0x54000,
};
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 tp_params {
unsigned int ntxchan; /* # of Tx channels */
unsigned int tre; /* log2 of core clocks per TP tick */
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 adapter_params {
struct tp_params tp;
struct vpd_params vpd;
struct pci_params pci;
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 */
};
#include "t4fw_api.h"
#define FW_VERSION(chip) ( \
FW_HDR_FW_VER_MAJOR_GET(chip##FW_VERSION_MAJOR) | \
FW_HDR_FW_VER_MINOR_GET(chip##FW_VERSION_MINOR) | \
FW_HDR_FW_VER_MICRO_GET(chip##FW_VERSION_MICRO) | \
FW_HDR_FW_VER_BUILD_GET(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(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 = NCHAN, /* # 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;
u8 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 */
};
/* 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 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 */
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;
};
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;
u64 udb;
};
struct sge_eth_txq { /* state for an SGE Ethernet Tx queue */
struct sge_txq q;
struct netdev_queue *txq; /* associated netdev TX queue */
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[NCHAN];
u16 rdma_ciq[NCHAN];
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;
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;
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 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;
};
/* 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;
}
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);
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);
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);
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(struct adapter *adap);
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);
int t4_memory_write(struct adapter *adap, int mtype, u32 addr, u32 len,
__be32 *buf);
int t4_seeprom_wp(struct adapter *adapter, bool enable);
int get_vpd_params(struct adapter *adapter, struct vpd_params *p);
int t4_load_fw(struct adapter *adapter, const u8 *fw_data, unsigned int size);
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_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);
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_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);
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_tp_wr_bits_indirect(struct adapter *adap, unsigned int addr,
unsigned int mask, unsigned int val);
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_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_mem_win_read_len(struct adapter *adap, u32 addr, __be32 *data, int len);
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);
#endif /* __CXGB4_H__ */
