aubrey/kernel_samsung_a34x-permissive
1
0
Fork 0
Code Issues Pull requests Actions Packages Projects Releases Wiki Activity
kernel_samsung_a34x-permissive/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h

1858 lines
63 KiB
C
Raw Normal View History

Import A346BXXU1AWB9 kernel source Android 13
2024-04-28 06:49:01 -07:00
/*
* This file is part of the Chelsio T4 Ethernet driver for Linux.
*
* Copyright (c) 2003-2016 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 <linux/rhashtable.h>
#include <linux/etherdevice.h>
#include <linux/net_tstamp.h>
#include <linux/ptp_clock_kernel.h>
#include <linux/ptp_classify.h>
#include <linux/crash_dump.h>
#include <asm/io.h>
#include "t4_chip_type.h"
#include "cxgb4_uld.h"
#define CH_WARN(adap, fmt, ...) dev_warn(adap->pdev_dev, fmt, ## __VA_ARGS__)
extern struct list_head adapter_list;
extern struct mutex uld_mutex;
/* Suspend an Ethernet Tx queue with fewer available descriptors than this.
* This is the same as calc_tx_descs() for a TSO packet with
* nr_frags == MAX_SKB_FRAGS.
*/
#define ETHTXQ_STOP_THRES \
(1 + DIV_ROUND_UP((3 * MAX_SKB_FRAGS) / 2 + (MAX_SKB_FRAGS & 1), 8))
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 */
MACADDR_LEN = 12, /* MAC Address length */
};
enum {
T4_REGMAP_SIZE = (160 * 1024),
T5_REGMAP_SIZE = (332 * 1024),
};
enum {
MEM_EDC0,
MEM_EDC1,
MEM_MC,
MEM_MC0 = MEM_MC,
MEM_MC1,
MEM_HMA,
};
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 cc_pause {
PAUSE_RX = 1 << 0,
PAUSE_TX = 1 << 1,
PAUSE_AUTONEG = 1 << 2
};
enum cc_fec {
FEC_AUTO = 1 << 0, /* IEEE 802.3 "automatic" */
FEC_RS = 1 << 1, /* Reed-Solomon */
FEC_BASER_RS = 1 << 2 /* BaseR/Reed-Solomon */
};
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 tcp_out_rsts;
u64 tcp_in_segs;
u64 tcp_out_segs;
u64 tcp_retrans_segs;
};
struct tp_usm_stats {
u32 frames;
u32 drops;
u64 octets;
};
struct tp_fcoe_stats {
u32 frames_ddp;
u32 frames_drop;
u64 octets_ddp;
};
struct tp_err_stats {
u32 mac_in_errs[4];
u32 hdr_in_errs[4];
u32 tcp_in_errs[4];
u32 tnl_cong_drops[4];
u32 ofld_chan_drops[4];
u32 tnl_tx_drops[4];
u32 ofld_vlan_drops[4];
u32 tcp6_in_errs[4];
u32 ofld_no_neigh;
u32 ofld_cong_defer;
};
struct tp_cpl_stats {
u32 req[4];
u32 rsp[4];
};
struct tp_rdma_stats {
u32 rqe_dfr_pkt;
u32 rqe_dfr_mod;
};
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 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 */
/* cached TP_OUT_CONFIG compressed error vector
* and passing outer header info for encapsulated packets.
*/
int rx_pkt_encap;
/* 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 fcoe_shift;
int port_shift;
int vnic_shift;
int vlan_shift;
int tos_shift;
int protocol_shift;
int ethertype_shift;
int macmatch_shift;
int matchtype_shift;
int frag_shift;
u64 hash_filter_mask;
};
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];
u8 na[MACADDR_LEN + 1];
};
/* Maximum resources provisioned for a PCI PF.
*/
struct pf_resources {
unsigned int nvi; /* N virtual interfaces */
unsigned int neq; /* N egress Qs */
unsigned int nethctrl; /* N egress ETH or CTRL Qs */
unsigned int niqflint; /* N ingress Qs/w free list(s) & intr */
unsigned int niq; /* N ingress Qs */
unsigned int tc; /* PCI-E traffic class */
unsigned int pmask; /* port access rights mask */
unsigned int nexactf; /* N exact MPS filters */
unsigned int r_caps; /* read capabilities */
unsigned int wx_caps; /* write/execute capabilities */
};
struct pci_params {
unsigned int vpd_cap_addr;
unsigned char speed;
unsigned char width;
};
struct devlog_params {
u32 memtype; /* which memory (EDC0, EDC1, MC) */
u32 start; /* start of log in firmware memory */
u32 size; /* size of log */
};
/* Stores chip specific parameters */
struct arch_specific_params {
u8 nchan;
u8 pm_stats_cnt;
u8 cng_ch_bits_log; /* congestion channel map bits width */
u16 mps_rplc_size;
u16 vfcount;
u32 sge_fl_db;
u16 mps_tcam_size;
};
struct adapter_params {
struct sge_params sge;
struct tp_params tp;
struct vpd_params vpd;
struct pf_resources pfres;
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 fw_vers; /* firmware version */
unsigned int bs_vers; /* bootstrap version */
unsigned int tp_vers; /* TP microcode version */
unsigned int er_vers; /* expansion ROM version */
unsigned int scfg_vers; /* Serial Configuration version */
unsigned int vpd_vers; /* VPD Version */
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 */
struct arch_specific_params arch; /* chip specific params */
unsigned char offload;
unsigned char crypto; /* HW capability for crypto */
unsigned char bypass;
unsigned char hash_filter;
unsigned int ofldq_wr_cred;
bool ulptx_memwrite_dsgl; /* use of T5 DSGL allowed */
unsigned int nsched_cls; /* number of traffic classes */
unsigned int max_ordird_qp; /* Max read depth per RDMA QP */
unsigned int max_ird_adapter; /* Max read depth per adapter */
bool fr_nsmr_tpte_wr_support; /* FW support for FR_NSMR_TPTE_WR */
u8 fw_caps_support; /* 32-bit Port Capabilities */
bool filter2_wr_support; /* FW support for FILTER2_WR */
/* MPS Buffer Group Map[per Port]. Bit i is set if buffer group i is
* used by the Port
*/
u8 mps_bg_map[MAX_NPORTS]; /* MPS Buffer Group Map */
bool write_w_imm_support; /* FW supports WRITE_WITH_IMMEDIATE */
bool write_cmpl_support; /* FW supports WRITE_CMPL */
};
/* State needed to monitor the forward progress of SGE Ingress DMA activities
* and possible hangs.
*/
struct sge_idma_monitor_state {
unsigned int idma_1s_thresh; /* 1s threshold in Core Clock ticks */
unsigned int idma_stalled[2]; /* synthesized stalled timers in HZ */
unsigned int idma_state[2]; /* IDMA Hang detect state */
unsigned int idma_qid[2]; /* IDMA Hung Ingress Queue ID */
unsigned int idma_warn[2]; /* time to warning in HZ */
};
/* Firmware Mailbox Command/Reply log. All values are in Host-Endian format.
* The access and execute times are signed in order to accommodate negative
* error returns.
*/
struct mbox_cmd {
u64 cmd[MBOX_LEN / 8]; /* a Firmware Mailbox Command/Reply */
u64 timestamp; /* OS-dependent timestamp */
u32 seqno; /* sequence number */
s16 access; /* time (ms) to access mailbox */
s16 execute; /* time (ms) to execute */
};
struct mbox_cmd_log {
unsigned int size; /* number of entries in the log */
unsigned int cursor; /* next position in the log to write */
u32 seqno; /* next sequence number */
/* variable length mailbox command log starts here */
};
/* Given a pointer to a Firmware Mailbox Command Log and a log entry index,
* return a pointer to the specified entry.
*/
static inline struct mbox_cmd *mbox_cmd_log_entry(struct mbox_cmd_log *log,
unsigned int entry_idx)
{
return &((struct mbox_cmd *)&(log)[1])[entry_idx];
}
#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;
};
/* Firmware Port Capabilities types. */
typedef u16 fw_port_cap16_t; /* 16-bit Port Capabilities integral value */
typedef u32 fw_port_cap32_t; /* 32-bit Port Capabilities integral value */
enum fw_caps {
FW_CAPS_UNKNOWN = 0, /* 0'ed out initial state */
FW_CAPS16 = 1, /* old Firmware: 16-bit Port Capabilities */
FW_CAPS32 = 2, /* new Firmware: 32-bit Port Capabilities */
};
struct link_config {
fw_port_cap32_t pcaps; /* link capabilities */
fw_port_cap32_t def_acaps; /* default advertised capabilities */
fw_port_cap32_t acaps; /* advertised capabilities */
fw_port_cap32_t lpacaps; /* peer advertised capabilities */
fw_port_cap32_t speed_caps; /* speed(s) user has requested */
unsigned int speed; /* actual link speed (Mb/s) */
enum cc_pause requested_fc; /* flow control user has requested */
enum cc_pause fc; /* actual link flow control */
enum cc_fec requested_fec; /* Forward Error Correction: */
enum cc_fec fec; /* requested and actual in use */
unsigned char autoneg; /* autonegotiating? */
unsigned char link_ok; /* link up? */
unsigned char link_down_rc; /* link down reason */
bool new_module; /* ->OS Transceiver Module inserted */
bool redo_l1cfg; /* ->CC redo current "sticky" L1 CFG */
};
#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, iscsi Rx queue sets */
MAX_CTRL_QUEUES = NCHAN, /* # of control Tx queues */
};
enum {
MAX_TXQ_ENTRIES = 16384,
MAX_CTRL_TXQ_ENTRIES = 1024,
MAX_RSPQ_ENTRIES = 16384,
MAX_RX_BUFFERS = 16384,
MIN_TXQ_ENTRIES = 32,
MIN_CTRL_TXQ_ENTRIES = 32,
MIN_RSPQ_ENTRIES = 128,
MIN_FL_ENTRIES = 16
};
enum {
INGQ_EXTRAS = 2, /* firmware event queue and */
/* forwarded interrupts */
MAX_INGQ = MAX_ETH_QSETS + INGQ_EXTRAS,
};
enum {
PRIV_FLAG_PORT_TX_VM_BIT,
};
#define PRIV_FLAG_PORT_TX_VM BIT(PRIV_FLAG_PORT_TX_VM_BIT)
#define PRIV_FLAGS_ADAP 0
#define PRIV_FLAGS_PORT PRIV_FLAG_PORT_TX_VM
struct adapter;
struct sge_rspq;
#include "cxgb4_dcb.h"
#ifdef CONFIG_CHELSIO_T4_FCOE
#include "cxgb4_fcoe.h"
#endif /* CONFIG_CHELSIO_T4_FCOE */
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;
struct port_stats stats_base;
#ifdef CONFIG_CHELSIO_T4_DCB
struct port_dcb_info dcb; /* Data Center Bridging support */
#endif
#ifdef CONFIG_CHELSIO_T4_FCOE
struct cxgb_fcoe fcoe;
#endif /* CONFIG_CHELSIO_T4_FCOE */
bool rxtstamp; /* Enable TS */
struct hwtstamp_config tstamp_config;
bool ptp_enable;
struct sched_table *sched_tbl;
u32 eth_flags;
};
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),
ROOT_NO_RELAXED_ORDERING = (1 << 10),
SHUTTING_DOWN = (1 << 11),
};
enum {
ULP_CRYPTO_LOOKASIDE = 1 << 0,
ULP_CRYPTO_IPSEC_INLINE = 1 << 1,
};
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 mapping_err; /* # of RX Buffer DMA Mapping failures */
unsigned long low; /* # of times momentarily starving */
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 {
u64 sgetstamp; /* SGE Time Stamp for Ingress Packet */
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);
typedef void (*rspq_flush_handler_t)(struct sge_rspq *q);
/* LRO related declarations for ULD */
struct t4_lro_mgr {
#define MAX_LRO_SESSIONS 64
u8 lro_session_cnt; /* # of sessions to aggregate */
unsigned long lro_pkts; /* # of LRO super packets */
unsigned long lro_merged; /* # of wire packets merged by LRO */
struct sk_buff_head lroq; /* list of aggregated sessions */
};
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;
rspq_flush_handler_t flush_handler;
struct t4_lro_mgr lro_mgr;
};
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 q_type; /* Q type Eth/Ctrl/Ofld */
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_uld_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 */
bool service_ofldq_running; /* service_ofldq() is processing sendq */
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_uld_rxq_info {
char name[IFNAMSIZ]; /* name of ULD driver */
struct sge_ofld_rxq *uldrxq; /* Rxq's for ULD */
u16 *msix_tbl; /* msix_tbl for uld */
u16 *rspq_id; /* response queue id's of rxq */
u16 nrxq; /* # of ingress uld queues */
u16 nciq; /* # of completion queues */
u8 uld; /* uld type */
};
struct sge_uld_txq_info {
struct sge_uld_txq *uldtxq; /* Txq's for ULD */
atomic_t users; /* num users */
u16 ntxq; /* # of egress uld queues */
};
struct sge {
struct sge_eth_txq ethtxq[MAX_ETH_QSETS];
struct sge_eth_txq ptptxq;
struct sge_ctrl_txq ctrlq[MAX_CTRL_QUEUES];
struct sge_eth_rxq ethrxq[MAX_ETH_QSETS];
struct sge_rspq fw_evtq ____cacheline_aligned_in_smp;
struct sge_uld_rxq_info **uld_rxq_info;
struct sge_uld_txq_info **uld_txq_info;
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 ofld queue sets */
u16 nqs_per_uld; /* # of Rx queues per ULD */
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 */
struct sge_idma_monitor_state idma_monitor;
unsigned int egr_start;
unsigned int egr_sz;
unsigned int ingr_start;
unsigned int ingr_sz;
void **egr_map; /* qid->queue egress queue map */
struct sge_rspq **ingr_map; /* qid->queue ingress queue map */
unsigned long *starving_fl;
unsigned long *txq_maperr;
unsigned long *blocked_fl;
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_ofldtxq(sge, i) for (i = 0; i < (sge)->ofldqsets; 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 doorbell_stats {
u32 db_drop;
u32 db_empty;
u32 db_full;
};
struct hash_mac_addr {
struct list_head list;
u8 addr[ETH_ALEN];
};
struct uld_msix_bmap {
unsigned long *msix_bmap;
unsigned int mapsize;
spinlock_t lock; /* lock for acquiring bitmap */
};
struct uld_msix_info {
unsigned short vec;
char desc[IFNAMSIZ + 10];
unsigned int idx;
};
struct vf_info {
unsigned char vf_mac_addr[ETH_ALEN];
unsigned int tx_rate;
bool pf_set_mac;
u16 vlan;
};
enum {
HMA_DMA_MAPPED_FLAG = 1
};
struct hma_data {
unsigned char flags;
struct sg_table *sgt;
dma_addr_t *phy_addr; /* physical address of the page */
};
struct mbox_list {
struct list_head list;
};
struct mps_encap_entry {
atomic_t refcnt;
};
struct adapter {
void __iomem *regs;
void __iomem *bar2;
u32 t4_bar0;
struct pci_dev *pdev;
struct device *pdev_dev;
const char *name;
unsigned int mbox;
unsigned int pf;
unsigned int flags;
unsigned int adap_idx;
enum chip_type chip;
u32 eth_flags;
int msg_enable;
__be16 vxlan_port;
u8 vxlan_port_cnt;
__be16 geneve_port;
u8 geneve_port_cnt;
struct adapter_params params;
struct cxgb4_virt_res vres;
unsigned int swintr;
struct {
unsigned short vec;
char desc[IFNAMSIZ + 10];
} msix_info[MAX_INGQ + 1];
struct uld_msix_info *msix_info_ulds; /* msix info for uld's */
struct uld_msix_bmap msix_bmap_ulds; /* msix bitmap for all uld */
int msi_idx;
struct doorbell_stats db_stats;
struct sge sge;
struct net_device *port[MAX_NPORTS];
u8 chan_map[NCHAN]; /* channel -> port map */
struct vf_info *vfinfo;
u8 num_vfs;
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;
unsigned int rawf_start;
unsigned int rawf_cnt;
struct smt_data *smt;
struct mps_encap_entry *mps_encap;
struct cxgb4_uld_info *uld;
void *uld_handle[CXGB4_ULD_MAX];
unsigned int num_uld;
unsigned int num_ofld_uld;
struct list_head list_node;
struct list_head rcu_node;
struct list_head mac_hlist; /* list of MAC addresses in MPS Hash */
void *iscsi_ppm;
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;
struct work_struct fatal_err_notify_task;
bool tid_release_task_busy;
/* lock for mailbox cmd list */
spinlock_t mbox_lock;
struct mbox_list mlist;
/* support for mailbox command/reply logging */
#define T4_OS_LOG_MBOX_CMDS 256
struct mbox_cmd_log *mbox_log;
struct mutex uld_mutex;
struct dentry *debugfs_root;
bool use_bd; /* Use SGE Back Door intfc for reading SGE Contexts */
bool trace_rss; /* 1 implies that different RSS flit per filter is
* used per filter else if 0 default RSS flit is
* used for all 4 filters.
*/
struct ptp_clock *ptp_clock;
struct ptp_clock_info ptp_clock_info;
struct sk_buff *ptp_tx_skb;
/* ptp lock */
spinlock_t ptp_lock;
spinlock_t stats_lock;
spinlock_t win0_lock ____cacheline_aligned_in_smp;
/* TC u32 offload */
struct cxgb4_tc_u32_table *tc_u32;
struct chcr_stats_debug chcr_stats;
/* TC flower offload */
bool tc_flower_initialized;
struct rhashtable flower_tbl;
struct rhashtable_params flower_ht_params;
struct timer_list flower_stats_timer;
struct work_struct flower_stats_work;
/* Ethtool Dump */
struct ethtool_dump eth_dump;
/* HMA */
struct hma_data hma;
struct srq_data *srq;
/* Dump buffer for collecting logs in kdump kernel */
struct vmcoredd_data vmcoredd;
};
/* Support for "sched-class" command to allow a TX Scheduling Class to be
* programmed with various parameters.
*/
struct ch_sched_params {
s8 type; /* packet or flow */
union {
struct {
s8 level; /* scheduler hierarchy level */
s8 mode; /* per-class or per-flow */
s8 rateunit; /* bit or packet rate */
s8 ratemode; /* %port relative or kbps absolute */
s8 channel; /* scheduler channel [0..N] */
s8 class; /* scheduler class [0..N] */
s32 minrate; /* minimum rate */
s32 maxrate; /* maximum rate */
s16 weight; /* percent weight */
s16 pktsize; /* average packet size */
} params;
} u;
};
enum {
SCHED_CLASS_TYPE_PACKET = 0, /* class type */
};
enum {
SCHED_CLASS_LEVEL_CL_RL = 0, /* class rate limiter */
};
enum {
SCHED_CLASS_MODE_CLASS = 0, /* per-class scheduling */
};
enum {
SCHED_CLASS_RATEUNIT_BITS = 0, /* bit rate scheduling */
};
enum {
SCHED_CLASS_RATEMODE_ABS = 1, /* Kb/s */
};
struct tx_sw_desc { /* SW state per Tx descriptor */
struct sk_buff *skb;
struct ulptx_sgl *sgl;
};
/* Support for "sched_queue" command to allow one or more NIC TX Queues
* to be bound to a TX Scheduling Class.
*/
struct ch_sched_queue {
s8 queue; /* queue index */
s8 class; /* class index */
};
/* 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
#define ENCAP_VNI_BITWIDTH 24
/* 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 encap_vld:1; /* Encapsulation 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 */
uint32_t vni:ENCAP_VNI_BITWIDTH; /* VNI of tunnel */
/* 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 */
u32 hash:1; /* 0 => wild-card, 1 => exact-match */
/* 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 */
uint32_t nat_mode:3; /* specify NAT operation mode */
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 */
u8 nat_lip[16]; /* local IP to use after NAT'ing */
u8 nat_fip[16]; /* foreign IP to use after NAT'ing */
u16 nat_lport; /* local port to use after NAT'ing */
u16 nat_fport; /* foreign port to use after NAT'ing */
/* reservation for future additions */
u8 rsvd[24];
/* 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
};
enum {
NAT_MODE_NONE = 0, /* No NAT performed */
NAT_MODE_DIP, /* NAT on Dst IP */
NAT_MODE_DIP_DP, /* NAT on Dst IP, Dst Port */
NAT_MODE_DIP_DP_SIP, /* NAT on Dst IP, Dst Port and Src IP */
NAT_MODE_DIP_DP_SP, /* NAT on Dst IP, Dst Port and Src Port */
NAT_MODE_SIP_SP, /* NAT on Src IP and Src Port */
NAT_MODE_DIP_SIP_SP, /* NAT on Dst IP, Src IP and Src Port */
NAT_MODE_ALL /* NAT on entire 4-tuple */
};
/* Host shadow copy of ingress filter entry. This is in host native format
* and doesn't match the ordering or bit order, etc. of the hardware of the
* firmware command. The use of bit-field structure elements is purely to
* remind ourselves of the field size limitations and save memory in the case
* where the filter table is large.
*/
struct filter_entry {
/* Administrative fields for filter. */
u32 valid:1; /* filter allocated and valid */
u32 locked:1; /* filter is administratively locked */
u32 pending:1; /* filter action is pending firmware reply */
struct filter_ctx *ctx; /* Caller's completion hook */
struct l2t_entry *l2t; /* Layer Two Table entry for dmac */
struct smt_entry *smt; /* Source Mac Table entry for smac */
struct net_device *dev; /* Associated net device */
u32 tid; /* This will store the actual tid */
/* The filter itself. Most of this is a straight copy of information
* provided by the extended ioctl(). Some fields are translated to
* internal forms -- for instance the Ingress Queue ID passed in from
* the ioctl() is translated into the Absolute Ingress Queue ID.
*/
struct ch_filter_specification fs;
};
static inline int is_offload(const struct adapter *adap)
{
return adap->params.offload;
}
static inline int is_hashfilter(const struct adapter *adap)
{
return adap->params.hash_filter;
}
static inline int is_pci_uld(const struct adapter *adap)
{
return adap->params.crypto;
}
static inline int is_uld(const struct adapter *adap)
{
return (adap->params.offload || adap->params.crypto);
}
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);
}
/**
* t4_set_hw_addr - store a port's MAC address in SW
* @adapter: the adapter
* @port_idx: the port index
* @hw_addr: the Ethernet address
*
* Store the Ethernet address of the given port in SW. Called by the common
* code when it retrieves a port's Ethernet address from EEPROM.
*/
static inline void t4_set_hw_addr(struct adapter *adapter, int port_idx,
u8 hw_addr[])
{
ether_addr_copy(adapter->port[port_idx]->dev_addr, hw_addr);
ether_addr_copy(adapter->port[port_idx]->perm_addr, hw_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;
}
/* Return a version number to identify the type of adapter. The scheme is:
* - bits 0..9: chip version
* - bits 10..15: chip revision
* - bits 16..23: register dump version
*/
static inline unsigned int mk_adap_vers(struct adapter *ap)
{
return CHELSIO_CHIP_VERSION(ap->params.chip) |
(CHELSIO_CHIP_RELEASE(ap->params.chip) << 10) | (1 << 16);
}
/* Return a queue's interrupt hold-off time in us. 0 means no timer. */
static inline unsigned int qtimer_val(const struct adapter *adap,
const struct sge_rspq *q)
{
unsigned int idx = q->intr_params >> 1;
return idx < SGE_NTIMERS ? adap->sge.timer_val[idx] : 0;
}
/* driver version & name used for ethtool_drvinfo */
extern char cxgb4_driver_name[];
extern const char cxgb4_driver_version[];
void t4_os_portmod_changed(struct adapter *adap, int port_id);
void t4_os_link_changed(struct adapter *adap, int port_id, int link_stat);
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_start_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,
rspq_flush_handler_t flush_handler, int cong);
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_mod_ctrl_txq(struct adapter *adap, unsigned int eqid,
unsigned int cmplqid);
int t4_sge_alloc_uld_txq(struct adapter *adap, struct sge_uld_txq *txq,
struct net_device *dev, unsigned int iqid,
unsigned int uld_type);
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);
void cxgb4_set_ethtool_ops(struct net_device *netdev);
int cxgb4_write_rss(const struct port_info *pi, const u16 *queues);
enum cpl_tx_tnl_lso_type cxgb_encap_offload_supported(struct sk_buff *skb);
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 int is_10gbt_device(int device)
{
/* this should be set based upon device capabilities */
switch (device) {
case 0x4409:
case 0x4486:
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);
}
static inline unsigned int dack_ticks_to_usec(const struct adapter *adap,
unsigned int ticks)
{
return (ticks << adap->params.tp.dack_re) / core_ticks_per_usec(adap);
}
void t4_set_reg_field(struct adapter *adap, unsigned int addr, u32 mask,
u32 val);
int t4_wr_mbox_meat_timeout(struct adapter *adap, int mbox, const void *cmd,
int size, void *rpl, bool sleep_ok, int timeout);
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_timeout(struct adapter *adap, int mbox,
const void *cmd, int size, void *rpl,
int timeout)
{
return t4_wr_mbox_meat_timeout(adap, mbox, cmd, size, rpl, true,
timeout);
}
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);
}
/**
* hash_mac_addr - return the hash value of a MAC address
* @addr: the 48-bit Ethernet MAC address
*
* Hashes a MAC address according to the hash function used by HW inexact
* (hash) address matching.
*/
static inline int hash_mac_addr(const u8 *addr)
{
u32 a = ((u32)addr[0] << 16) | ((u32)addr[1] << 8) | addr[2];
u32 b = ((u32)addr[3] << 16) | ((u32)addr[4] << 8) | addr[5];
a ^= b;
a ^= (a >> 12);
a ^= (a >> 6);
return a & 0x3f;
}
int cxgb4_set_rspq_intr_params(struct sge_rspq *q, unsigned int us,
unsigned int cnt);
static inline void init_rspq(struct adapter *adap, struct sge_rspq *q,
unsigned int us, unsigned int cnt,
unsigned int size, unsigned int iqe_size)
{
q->adap = adap;
cxgb4_set_rspq_intr_params(q, us, cnt);
q->iqe_len = iqe_size;
q->size = size;
}
/**
* t4_is_inserted_mod_type - is a plugged in Firmware Module Type
* @fw_mod_type: the Firmware Mofule Type
*
* Return whether the Firmware Module Type represents a real Transceiver
* Module/Cable Module Type which has been inserted.
*/
static inline bool t4_is_inserted_mod_type(unsigned int fw_mod_type)
{
return (fw_mod_type != FW_PORT_MOD_TYPE_NONE &&
fw_mod_type != FW_PORT_MOD_TYPE_NOTSUPPORTED &&
fw_mod_type != FW_PORT_MOD_TYPE_UNKNOWN &&
fw_mod_type != FW_PORT_MOD_TYPE_ERROR);
}
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_l1cfg_core(struct adapter *adap, unsigned int mbox,
unsigned int port, struct link_config *lc,
bool sleep_ok, int timeout);
static inline int t4_link_l1cfg(struct adapter *adapter, unsigned int mbox,
unsigned int port, struct link_config *lc)
{
return t4_link_l1cfg_core(adapter, mbox, port, lc,
true, FW_CMD_MAX_TIMEOUT);
}
static inline int t4_link_l1cfg_ns(struct adapter *adapter, unsigned int mbox,
unsigned int port, struct link_config *lc)
{
return t4_link_l1cfg_core(adapter, mbox, port, lc,
false, FW_CMD_MAX_TIMEOUT);
}
int t4_restart_aneg(struct adapter *adap, unsigned int mbox, unsigned int port);
u32 t4_read_pcie_cfg4(struct adapter *adap, int reg);
u32 t4_get_util_window(struct adapter *adap);
void t4_setup_memwin(struct adapter *adap, u32 memwin_base, u32 window);
int t4_memory_rw_init(struct adapter *adap, int win, int mtype, u32 *mem_off,
u32 *mem_base, u32 *mem_aperture);
void t4_memory_update_win(struct adapter *adap, int win, u32 addr);
void t4_memory_rw_residual(struct adapter *adap, u32 off, u32 addr, u8 *buf,
int dir);
#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);
}
unsigned int t4_get_regs_len(struct adapter *adapter);
void t4_get_regs(struct adapter *adap, void *buf, size_t buf_size);
int t4_eeprom_ptov(unsigned int phys_addr, unsigned int fn, unsigned int sz);
int t4_seeprom_wp(struct adapter *adapter, bool enable);
int t4_get_raw_vpd_params(struct adapter *adapter, struct vpd_params *p);
int t4_get_vpd_params(struct adapter *adapter, struct vpd_params *p);
int t4_get_pfres(struct adapter *adapter);
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_load_phy_fw(struct adapter *adap,
int win, spinlock_t *lock,
int (*phy_fw_version)(const u8 *, size_t),
const u8 *phy_fw_data, size_t phy_fw_size);
int t4_phy_fw_ver(struct adapter *adap, int *phy_fw_ver);
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);
int t4_fl_pkt_align(struct adapter *adap);
unsigned int t4_flash_cfg_addr(struct adapter *adapter);
int t4_check_fw_version(struct adapter *adap);
int t4_load_cfg(struct adapter *adapter, const u8 *cfg_data, unsigned int size);
int t4_get_fw_version(struct adapter *adapter, u32 *vers);
int t4_get_bs_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_get_scfg_version(struct adapter *adapter, u32 *vers);
int t4_get_vpd_version(struct adapter *adapter, u32 *vers);
int t4_get_version_info(struct adapter *adapter);
void t4_dump_version_info(struct adapter *adapter);
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_shutdown_adapter(struct adapter *adapter);
enum t4_bar2_qtype { T4_BAR2_QTYPE_EGRESS, T4_BAR2_QTYPE_INGRESS };
int t4_bar2_sge_qregs(struct adapter *adapter,
unsigned int qid,
enum t4_bar2_qtype qtype,
int user,
u64 *pbar2_qoffset,
unsigned int *pbar2_qid);
unsigned int qtimer_val(const struct adapter *adap,
const struct sge_rspq *q);
int t4_init_devlog_params(struct adapter *adapter);
int t4_init_sge_params(struct adapter *adapter);
int t4_init_tp_params(struct adapter *adap, bool sleep_ok);
int t4_filter_field_shift(const struct adapter *adap, int filter_sel);
int t4_init_rss_mode(struct adapter *adap, int mbox);
int t4_init_portinfo(struct port_info *pi, int mbox,
int port, int pf, int vf, u8 mac[]);
int t4_port_init(struct adapter *adap, int mbox, int pf, int vf);
void t4_fatal_err(struct adapter *adapter);
unsigned int t4_chip_rss_size(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_config_vi_rss(struct adapter *adapter, int mbox, unsigned int viid,
unsigned int flags, unsigned int defq);
int t4_read_rss(struct adapter *adapter, u16 *entries);
void t4_read_rss_key(struct adapter *adapter, u32 *key, bool sleep_ok);
void t4_write_rss_key(struct adapter *adap, const u32 *key, int idx,
bool sleep_ok);
void t4_read_rss_pf_config(struct adapter *adapter, unsigned int index,
u32 *valp, bool sleep_ok);
void t4_read_rss_vf_config(struct adapter *adapter, unsigned int index,
u32 *vfl, u32 *vfh, bool sleep_ok);
u32 t4_read_rss_pf_map(struct adapter *adapter, bool sleep_ok);
u32 t4_read_rss_pf_mask(struct adapter *adapter, bool sleep_ok);
unsigned int t4_get_mps_bg_map(struct adapter *adapter, int pidx);
unsigned int t4_get_tp_ch_map(struct adapter *adapter, int pidx);
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_cim_read_pif_la(struct adapter *adap, u32 *pif_req, u32 *pif_rsp,
unsigned int *pif_req_wrptr,
unsigned int *pif_rsp_wrptr);
void t4_cim_read_ma_la(struct adapter *adap, u32 *ma_req, u32 *ma_rsp);
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_get_port_stats_offset(struct adapter *adap, int idx,
struct port_stats *stats,
struct port_stats *offset);
void t4_get_lb_stats(struct adapter *adap, int idx, struct lb_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_err_stats(struct adapter *adap, struct tp_err_stats *st,
bool sleep_ok);
void t4_tp_get_cpl_stats(struct adapter *adap, struct tp_cpl_stats *st,
bool sleep_ok);
void t4_tp_get_rdma_stats(struct adapter *adap, struct tp_rdma_stats *st,
bool sleep_ok);
void t4_get_usm_stats(struct adapter *adap, struct tp_usm_stats *st,
bool sleep_ok);
void t4_tp_get_tcp_stats(struct adapter *adap, struct tp_tcp_stats *v4,
struct tp_tcp_stats *v6, bool sleep_ok);
void t4_get_fcoe_stats(struct adapter *adap, unsigned int idx,
struct tp_fcoe_stats *st, bool sleep_ok);
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_get_chan_txrate(struct adapter *adap, u64 *nic_rate, u64 *ofld_rate);
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_query_params_ns(struct adapter *adap, unsigned int mbox, unsigned int pf,
unsigned int vf, unsigned int nparams, const u32 *params,
u32 *val);
int t4_query_params_rw(struct adapter *adap, unsigned int mbox, unsigned int pf,
unsigned int vf, unsigned int nparams, const u32 *params,
u32 *val, int rw, bool sleep_ok);
int t4_set_params_timeout(struct adapter *adap, unsigned int mbox,
unsigned int pf, unsigned int vf,
unsigned int nparams, const u32 *params,
const u32 *val, int timeout);
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_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_free_vi(struct adapter *adap, unsigned int mbox,
unsigned int pf, unsigned int vf,
unsigned int viid);
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_free_raw_mac_filt(struct adapter *adap, unsigned int viid,
const u8 *addr, const u8 *mask, unsigned int idx,
u8 lookup_type, u8 port_id, bool sleep_ok);
int t4_free_encap_mac_filt(struct adapter *adap, unsigned int viid, int idx,
bool sleep_ok);
int t4_alloc_encap_mac_filt(struct adapter *adap, unsigned int viid,
const u8 *addr, const u8 *mask, unsigned int vni,
unsigned int vni_mask, u8 dip_hit, u8 lookup_type,
bool sleep_ok);
int t4_alloc_raw_mac_filt(struct adapter *adap, unsigned int viid,
const u8 *addr, const u8 *mask, unsigned int idx,
u8 lookup_type, u8 port_id, 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_free_mac_filt(struct adapter *adap, unsigned int mbox,
unsigned int viid, unsigned int naddr,
const u8 **addr, 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_pi_params(struct adapter *adap, unsigned int mbox,
struct port_info *pi,
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_stop(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_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_sge_ctxt_flush(struct adapter *adap, unsigned int mbox, int ctxt_type);
void t4_handle_get_port_info(struct port_info *pi, const __be64 *rpl);
int t4_update_port_info(struct port_info *pi);
int t4_get_link_params(struct port_info *pi, unsigned int *link_okp,
unsigned int *speedp, unsigned int *mtup);
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_set_trace_filter(struct adapter *adapter, const struct trace_params *tp,
int filter_index, int enable);
void t4_get_trace_filter(struct adapter *adapter, struct trace_params *tp,
int filter_index, int *enabled);
int t4_fwaddrspace_write(struct adapter *adap, unsigned int mbox,
u32 addr, u32 val);
void t4_read_pace_tbl(struct adapter *adap, unsigned int pace_vals[NTX_SCHED]);
void t4_get_tx_sched(struct adapter *adap, unsigned int sched,
unsigned int *kbps, unsigned int *ipg, bool sleep_ok);
int t4_sge_ctxt_rd(struct adapter *adap, unsigned int mbox, unsigned int cid,
enum ctxt_type ctype, u32 *data);
int t4_sge_ctxt_rd_bd(struct adapter *adap, unsigned int cid,
enum ctxt_type ctype, u32 *data);
int t4_sched_params(struct adapter *adapter, int type, int level, int mode,
int rateunit, int ratemode, int channel, int class,
int minrate, int maxrate, int weight, int pktsize);
void t4_sge_decode_idma_state(struct adapter *adapter, int state);
void t4_idma_monitor_init(struct adapter *adapter,
struct sge_idma_monitor_state *idma);
void t4_idma_monitor(struct adapter *adapter,
struct sge_idma_monitor_state *idma,
int hz, int ticks);
int t4_set_vf_mac_acl(struct adapter *adapter, unsigned int vf,
unsigned int naddr, u8 *addr);
void t4_tp_pio_read(struct adapter *adap, u32 *buff, u32 nregs,
u32 start_index, bool sleep_ok);
void t4_tp_tm_pio_read(struct adapter *adap, u32 *buff, u32 nregs,
u32 start_index, bool sleep_ok);
void t4_tp_mib_read(struct adapter *adap, u32 *buff, u32 nregs,
u32 start_index, bool sleep_ok);
void t4_uld_mem_free(struct adapter *adap);
int t4_uld_mem_alloc(struct adapter *adap);
void t4_uld_clean_up(struct adapter *adap);
void t4_register_netevent_notifier(void);
int t4_i2c_rd(struct adapter *adap, unsigned int mbox, int port,
unsigned int devid, unsigned int offset,
unsigned int len, u8 *buf);
void free_rspq_fl(struct adapter *adap, struct sge_rspq *rq, struct sge_fl *fl);
void free_tx_desc(struct adapter *adap, struct sge_txq *q,
unsigned int n, bool unmap);
void free_txq(struct adapter *adap, struct sge_txq *q);
void cxgb4_reclaim_completed_tx(struct adapter *adap,
struct sge_txq *q, bool unmap);
int cxgb4_map_skb(struct device *dev, const struct sk_buff *skb,
dma_addr_t *addr);
void cxgb4_inline_tx_skb(const struct sk_buff *skb, const struct sge_txq *q,
void *pos);
void cxgb4_write_sgl(const struct sk_buff *skb, struct sge_txq *q,
struct ulptx_sgl *sgl, u64 *end, unsigned int start,
const dma_addr_t *addr);
void cxgb4_ring_tx_db(struct adapter *adap, struct sge_txq *q, int n);
int t4_set_vlan_acl(struct adapter *adap, unsigned int mbox, unsigned int vf,
u16 vlan);
int cxgb4_dcb_enabled(const struct net_device *dev);
#endif /* __CXGB4_H__ */
Reference in a new issue Copy permalink