/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (C) 2005 - 2016 Broadcom
* All rights reserved.
*
* Contact Information:
* linux-drivers@emulex.com
*
* Emulex
* 3333 Susan Street
* Costa Mesa, CA 92626
*/
#ifndef BE_H
#define BE_H
#include <linux/pci.h>
#include <linux/etherdevice.h>
#include <linux/delay.h>
#include <net/tcp.h>
#include <net/ip.h>
#include <net/ipv6.h>
#include <linux/if_vlan.h>
#include <linux/workqueue.h>
#include <linux/interrupt.h>
#include <linux/firmware.h>
#include <linux/slab.h>
#include <linux/u64_stats_sync.h>
#include <linux/cpumask.h>
#include <linux/hwmon.h>
#include <linux/hwmon-sysfs.h>
#include "be_hw.h"
#include "be_roce.h"
#define DRV_VER "12.0.0.0"
#define DRV_NAME "be2net"
#define BE_NAME "Emulex BladeEngine2"
#define BE3_NAME "Emulex BladeEngine3"
#define OC_NAME "Emulex OneConnect"
#define OC_NAME_BE OC_NAME "(be3)"
#define OC_NAME_LANCER OC_NAME "(Lancer)"
#define OC_NAME_SH OC_NAME "(Skyhawk)"
#define DRV_DESC "Emulex OneConnect NIC Driver"
#define BE_VENDOR_ID 0x19a2
#define EMULEX_VENDOR_ID 0x10df
#define BE_DEVICE_ID1 0x211
#define BE_DEVICE_ID2 0x221
#define OC_DEVICE_ID1 0x700 /* Device Id for BE2 cards */
#define OC_DEVICE_ID2 0x710 /* Device Id for BE3 cards */
#define OC_DEVICE_ID3 0xe220 /* Device id for Lancer cards */
#define OC_DEVICE_ID4 0xe228 /* Device id for VF in Lancer */
#define OC_DEVICE_ID5 0x720 /* Device Id for Skyhawk cards */
#define OC_DEVICE_ID6 0x728 /* Device id for VF in SkyHawk */
#define OC_SUBSYS_DEVICE_ID1 0xE602
#define OC_SUBSYS_DEVICE_ID2 0xE642
#define OC_SUBSYS_DEVICE_ID3 0xE612
#define OC_SUBSYS_DEVICE_ID4 0xE652
/* Number of bytes of an RX frame that are copied to skb->data */
#define BE_HDR_LEN ((u16) 64)
/* allocate extra space to allow tunneling decapsulation without head reallocation */
#define BE_RX_SKB_ALLOC_SIZE 256
#define BE_MAX_JUMBO_FRAME_SIZE 9018
#define BE_MIN_MTU 256
#define BE_MAX_MTU (BE_MAX_JUMBO_FRAME_SIZE - \
(ETH_HLEN + ETH_FCS_LEN))
/* Accommodate for QnQ configurations where VLAN insertion is enabled in HW */
#define BE_MAX_GSO_SIZE (65535 - 2 * VLAN_HLEN)
#define BE_NUM_VLANS_SUPPORTED 64
#define BE_MAX_EQD 128u
#define BE_MAX_TX_FRAG_COUNT 30
#define EVNT_Q_LEN 1024
#define TX_Q_LEN 2048
#define TX_CQ_LEN 1024
#define RX_Q_LEN 1024 /* Does not support any other value */
#define RX_CQ_LEN 1024
#define MCC_Q_LEN 128 /* total size not to exceed 8 pages */
#define MCC_CQ_LEN 256
#define BE2_MAX_RSS_QS 4
#define BE3_MAX_RSS_QS 16
#define BE3_MAX_TX_QS 16
#define BE3_MAX_EVT_QS 16
#define BE3_SRIOV_MAX_EVT_QS 8
#define SH_VF_MAX_NIC_EQS 3 /* Skyhawk VFs can have a max of 4 EQs
* and at least 1 is granted to either
* SURF/DPDK
*/
#define MAX_PORT_RSS_TABLES 15
#define MAX_NIC_FUNCS 16
#define MAX_RX_QS 32
#define MAX_EVT_QS 32
#define MAX_TX_QS 32
#define MAX_ROCE_EQS 5
#define MAX_MSIX_VECTORS 32
#define MIN_MSIX_VECTORS 1
#define BE_NAPI_WEIGHT 64
#define MAX_RX_POST BE_NAPI_WEIGHT /* Frags posted at a time */
#define RX_FRAGS_REFILL_WM (RX_Q_LEN - MAX_RX_POST)
#define MAX_NUM_POST_ERX_DB 255u
#define MAX_VFS 30 /* Max VFs supported by BE3 FW */
#define FW_VER_LEN 32
#define CNTL_SERIAL_NUM_WORDS 8 /* Controller serial number words */
#define CNTL_SERIAL_NUM_WORD_SZ (sizeof(u16)) /* Byte-sz of serial num word */
#define RSS_INDIR_TABLE_LEN 128
#define RSS_HASH_KEY_LEN 40
#define BE_UNKNOWN_PHY_STATE 0xFF
struct be_dma_mem {
void *va;
dma_addr_t dma;
u32 size;
};
struct be_queue_info {
u32 len;
u32 entry_size; /* Size of an element in the queue */
u32 tail, head;
atomic_t used; /* Number of valid elements in the queue */
u32 id;
struct be_dma_mem dma_mem;
bool created;
};
static inline u32 MODULO(u32 val, u32 limit)
{
BUG_ON(limit & (limit - 1));
return val & (limit - 1);
}
static inline void index_adv(u32 *index, u32 val, u32 limit)
{
*index = MODULO((*index + val), limit);
}
static inline void index_inc(u32 *index, u32 limit)
{
*index = MODULO((*index + 1), limit);
}
static inline void *queue_head_node(struct be_queue_info *q)
{
return q->dma_mem.va + q->head * q->entry_size;
}
static inline void *queue_tail_node(struct be_queue_info *q)
{
return q->dma_mem.va + q->tail * q->entry_size;
}
static inline void *queue_index_node(struct be_queue_info *q, u16 index)
{
return q->dma_mem.va + index * q->entry_size;
}
static inline void queue_head_inc(struct be_queue_info *q)
{
index_inc(&q->head, q->len);
}
static inline void index_dec(u32 *index, u32 limit)
{
*index = MODULO((*index - 1), limit);
}
static inline void queue_tail_inc(struct be_queue_info *q)
{
index_inc(&q->tail, q->len);
}
struct be_eq_obj {
struct be_queue_info q;
char desc[32];
struct be_adapter *adapter;
struct napi_struct napi;
u8 idx; /* array index */
u8 msix_idx;
u16 spurious_intr;
cpumask_var_t affinity_mask;
} ____cacheline_aligned_in_smp;
struct be_aic_obj { /* Adaptive interrupt coalescing (AIC) info */
u32 min_eqd; /* in usecs */
u32 max_eqd; /* in usecs */
u32 prev_eqd; /* in usecs */
u32 et_eqd; /* configured val when aic is off */
ulong jiffies;
u64 rx_pkts_prev; /* Used to calculate RX pps */
u64 tx_reqs_prev; /* Used to calculate TX pps */
};
struct be_mcc_obj {
struct be_queue_info q;
struct be_queue_info cq;
bool rearm_cq;
};
struct be_tx_stats {
u64 tx_bytes;
u64 tx_pkts;
u64 tx_vxlan_offload_pkts;
u64 tx_reqs;
u64 tx_compl;
u32 tx_stops;
u32 tx_drv_drops; /* pkts dropped by driver */
/* the error counters are described in be_ethtool.c */
u32 tx_hdr_parse_err;
u32 tx_dma_err;
u32 tx_tso_err;
u32 tx_spoof_check_err;
u32 tx_qinq_err;
u32 tx_internal_parity_err;
u32 tx_sge_err;
struct u64_stats_sync sync;
struct u64_stats_sync sync_compl;
};
/* Structure to hold some data of interest obtained from a TX CQE */
struct be_tx_compl_info {
u8 status; /* Completion status */
u16 end_index; /* Completed TXQ Index */
};
struct be_tx_obj {
u32 db_offset;
struct be_tx_compl_info txcp;
struct be_queue_info q;
struct be_queue_info cq;
/* Remember the skbs that were transmitted */
struct sk_buff *sent_skb_list[TX_Q_LEN];
struct be_tx_stats stats;
u16 pend_wrb_cnt; /* Number of WRBs yet to be given to HW */
u16 last_req_wrb_cnt; /* wrb cnt of the last req in the Q */
u16 last_req_hdr; /* index of the last req's hdr-wrb */
} ____cacheline_aligned_in_smp;
/* Struct to remember the pages posted for rx frags */
struct be_rx_page_info {
struct page *page;
/* set to page-addr for last frag of the page & frag-addr otherwise */
DEFINE_DMA_UNMAP_ADDR(bus);
u16 page_offset;
bool last_frag; /* last frag of the page */
};
struct be_rx_stats {
u64 rx_bytes;
u64 rx_pkts;
u64 rx_vxlan_offload_pkts;
u32 rx_drops_no_skbs; /* skb allocation errors */
u32 rx_drops_no_frags; /* HW has no fetched frags */
u32 rx_post_fail; /* page post alloc failures */
u32 rx_compl;
u32 rx_mcast_pkts;
u32 rx_compl_err; /* completions with err set */
struct u64_stats_sync sync;
};
struct be_rx_compl_info {
u32 rss_hash;
u16 vlan_tag;
u16 pkt_size;
u16 port;
u8 vlanf;
u8 num_rcvd;
u8 err;
u8 ipf;
u8 tcpf;
u8 udpf;
u8 ip_csum;
u8 l4_csum;
u8 ipv6;
u8 qnq;
u8 pkt_type;
u8 ip_frag;
u8 tunneled;
};
struct be_rx_obj {
struct be_adapter *adapter;
struct be_queue_info q;
struct be_queue_info cq;
struct be_rx_compl_info rxcp;
struct be_rx_page_info page_info_tbl[RX_Q_LEN];
struct be_rx_stats stats;
u8 rss_id;
bool rx_post_starved; /* Zero rx frags have been posted to BE */
} ____cacheline_aligned_in_smp;
struct be_drv_stats {
u32 eth_red_drops;
u32 dma_map_errors;
u32 rx_drops_no_pbuf;
u32 rx_drops_no_txpb;
u32 rx_drops_no_erx_descr;
u32 rx_drops_no_tpre_descr;
u32 rx_drops_too_many_frags;
u32 forwarded_packets;
u32 rx_drops_mtu;
u32 rx_crc_errors;
u32 rx_alignment_symbol_errors;
u32 rx_pause_frames;
u32 rx_priority_pause_frames;
u32 rx_control_frames;
u32 rx_in_range_errors;
u32 rx_out_range_errors;
u32 rx_frame_too_long;
u32 rx_address_filtered;
u32 rx_dropped_too_small;
u32 rx_dropped_too_short;
u32 rx_dropped_header_too_small;
u32 rx_dropped_tcp_length;
u32 rx_dropped_runt;
u32 rx_ip_checksum_errs;
u32 rx_tcp_checksum_errs;
u32 rx_udp_checksum_errs;
u32 tx_pauseframes;
u32 tx_priority_pauseframes;
u32 tx_controlframes;
u32 rxpp_fifo_overflow_drop;
u32 rx_input_fifo_overflow_drop;
u32 pmem_fifo_overflow_drop;
u32 jabber_events;
u32 rx_roce_bytes_lsd;
u32 rx_roce_bytes_msd;
u32 rx_roce_frames;
u32 roce_drops_payload_len;
u32 roce_drops_crc;
};
/* A vlan-id of 0xFFFF must be used to clear transparent vlan-tagging */
#define BE_RESET_VLAN_TAG_ID 0xFFFF
struct be_vf_cfg {
unsigned char mac_addr[ETH_ALEN];
int if_handle;
int pmac_id;
u16 vlan_tag;
u32 tx_rate;
u32 plink_tracking;
u32 privileges;
bool spoofchk;
};
enum vf_state {
ENABLED = 0,
ASSIGNED = 1
};
#define BE_FLAGS_LINK_STATUS_INIT BIT(1)
#define BE_FLAGS_SRIOV_ENABLED BIT(2)
#define BE_FLAGS_WORKER_SCHEDULED BIT(3)
#define BE_FLAGS_NAPI_ENABLED BIT(6)
#define BE_FLAGS_QNQ_ASYNC_EVT_RCVD BIT(7)
#define BE_FLAGS_VXLAN_OFFLOADS BIT(8)
#define BE_FLAGS_SETUP_DONE BIT(9)
#define BE_FLAGS_PHY_MISCONFIGURED BIT(10)
#define BE_FLAGS_ERR_DETECTION_SCHEDULED BIT(11)
#define BE_FLAGS_OS2BMC BIT(12)
#define BE_FLAGS_TRY_RECOVERY BIT(13)
#define BE_UC_PMAC_COUNT 30
#define BE_VF_UC_PMAC_COUNT 2
#define MAX_ERR_RECOVERY_RETRY_COUNT 3
#define ERR_DETECTION_DELAY 1000
/* Ethtool set_dump flags */
#define LANCER_INITIATE_FW_DUMP 0x1
#define LANCER_DELETE_FW_DUMP 0x2
struct phy_info {
/* From SFF-8472 spec */
#define SFP_VENDOR_NAME_LEN 17
u8 transceiver;
u8 autoneg;
u8 fc_autoneg;
u8 port_type;
u16 phy_type;
u16 interface_type;
u32 misc_params;
u16 auto_speeds_supported;
u16 fixed_speeds_supported;
int link_speed;
u32 advertising;
u32 supported;
u8 cable_type;
u8 vendor_name[SFP_VENDOR_NAME_LEN];
u8 vendor_pn[SFP_VENDOR_NAME_LEN];
};
struct be_resources {
u16 max_vfs; /* Total VFs "really" supported by FW/HW */
u16 max_mcast_mac;
u16 max_tx_qs;
u16 max_rss_qs;
u16 max_rx_qs;
u16 max_cq_count;
u16 max_uc_mac; /* Max UC MACs programmable */
u16 max_vlans; /* Number of vlans supported */
u16 max_iface_count;
u16 max_mcc_count;
u16 max_evt_qs;
u16 max_nic_evt_qs; /* NIC's share of evt qs */
u32 if_cap_flags;
u32 vf_if_cap_flags; /* VF if capability flags */
u32 flags;
/* Calculated PF Pool's share of RSS Tables. This is not enforced by
* the FW, but is a self-imposed driver limitation.
*/
u16 max_rss_tables;
};
/* These are port-wide values */
struct be_port_resources {
u16 max_vfs;
u16 nic_pfs;
};
#define be_is_os2bmc_enabled(adapter) (adapter->flags & BE_FLAGS_OS2BMC)
struct rss_info {
u8 rsstable[RSS_INDIR_TABLE_LEN];
u8 rss_queue[RSS_INDIR_TABLE_LEN];
u8 rss_hkey[RSS_HASH_KEY_LEN];
u64 rss_flags;
};
#define BE_INVALID_DIE_TEMP 0xFF
struct be_hwmon {
struct device *hwmon_dev;
u8 be_on_die_temp; /* Unit: millidegree Celsius */
};
/* Macros to read/write the 'features' word of be_wrb_params structure.
*/
#define BE_WRB_F_BIT(name) BE_WRB_F_##name##_BIT
#define BE_WRB_F_MASK(name) BIT_MASK(BE_WRB_F_##name##_BIT)
#define BE_WRB_F_GET(word, name) \
(((word) & (BE_WRB_F_MASK(name))) >> BE_WRB_F_BIT(name))
#define BE_WRB_F_SET(word, name, val) \
((word) |= (((val) << BE_WRB_F_BIT(name)) & BE_WRB_F_MASK(name)))
/* Feature/offload bits */
enum {
BE_WRB_F_CRC_BIT, /* Ethernet CRC */
BE_WRB_F_IPCS_BIT, /* IP csum */
BE_WRB_F_TCPCS_BIT, /* TCP csum */
BE_WRB_F_UDPCS_BIT, /* UDP csum */
BE_WRB_F_LSO_BIT, /* LSO */
BE_WRB_F_LSO6_BIT, /* LSO6 */
BE_WRB_F_VLAN_BIT, /* VLAN */
BE_WRB_F_VLAN_SKIP_HW_BIT, /* Skip VLAN tag (workaround) */
BE_WRB_F_OS2BMC_BIT /* Send packet to the management ring */
};
/* The structure below provides a HW-agnostic abstraction of WRB params
* retrieved from a TX skb. This is in turn passed to chip specific routines
* during transmit, to set the corresponding params in the WRB.
*/
struct be_wrb_params {
u32 features; /* Feature bits */
u16 vlan_tag; /* VLAN tag */
u16 lso_mss; /* MSS for LSO */
};
struct be_eth_addr {
unsigned char mac[ETH_ALEN];
};
#define BE_SEC 1000 /* in msec */
#define BE_MIN (60 * BE_SEC) /* in msec */
#define BE_HOUR (60 * BE_MIN) /* in msec */
#define ERR_RECOVERY_MAX_RETRY_COUNT 3
#define ERR_RECOVERY_DETECTION_DELAY BE_SEC
#define ERR_RECOVERY_RETRY_DELAY (30 * BE_SEC)
/* UE-detection-duration in BEx/Skyhawk:
* All PFs must wait for this duration after they detect UE before reading
* SLIPORT_SEMAPHORE register. At the end of this duration, the Firmware
* guarantees that the SLIPORT_SEMAPHORE register is updated to indicate
* if the UE is recoverable.
*/
#define ERR_RECOVERY_UE_DETECT_DURATION BE_SEC
/* Initial idle time (in msec) to elapse after driver load,
* before UE recovery is allowed.
*/
#define ERR_IDLE_HR 24
#define ERR_RECOVERY_IDLE_TIME (ERR_IDLE_HR * BE_HOUR)
/* Time interval (in msec) after which UE recovery can be repeated */
#define ERR_INTERVAL_HR 72
#define ERR_RECOVERY_INTERVAL (ERR_INTERVAL_HR * BE_HOUR)
/* BEx/SH UE recovery state machine */
enum {
ERR_RECOVERY_ST_NONE = 0, /* No Recovery */
ERR_RECOVERY_ST_DETECT = 1, /* UE detection duration */
ERR_RECOVERY_ST_RESET = 2, /* Reset Phase (PF0 only) */
ERR_RECOVERY_ST_PRE_POLL = 3, /* Pre-Poll Phase (all PFs) */
ERR_RECOVERY_ST_REINIT = 4 /* Re-initialize Phase */
};
struct be_error_recovery {
union {
u8 recovery_retries; /* used for Lancer */
u8 recovery_state; /* used for BEx and Skyhawk */
};
/* BEx/Skyhawk error recovery variables */
bool recovery_supported;
u16 ue_to_reset_time; /* Time after UE, to soft reset
* the chip - PF0 only
*/
u16 ue_to_poll_time; /* Time after UE, to Restart Polling
* of SLIPORT_SEMAPHORE reg
*/
u16 last_err_code;
unsigned long probe_time;
unsigned long last_recovery_time;
/* Common to both Lancer & BEx/SH error recovery */
u32 resched_delay;
struct delayed_work err_detection_work;
};
/* Ethtool priv_flags */
#define BE_DISABLE_TPE_RECOVERY 0x1
struct be_vxlan_port {
struct list_head list;
__be16 port; /* VxLAN UDP dst port */
int port_aliases; /* alias count */
};
struct be_adapter {
struct pci_dev *pdev;
struct net_device *netdev;
u8 __iomem *csr; /* CSR BAR used only for BE2/3 */
u8 __iomem *db; /* Door Bell */
u8 __iomem *pcicfg; /* On SH,BEx only. Shadow of PCI config space */
struct mutex mbox_lock; /* For serializing mbox cmds to BE card */
struct be_dma_mem mbox_mem;
/* Mbox mem is adjusted to align to 16 bytes. The allocated addr
* is stored for freeing purpose */
struct be_dma_mem mbox_mem_alloced;
struct be_mcc_obj mcc_obj;
struct mutex mcc_lock; /* For serializing mcc cmds to BE card */
spinlock_t mcc_cq_lock;
u16 cfg_num_rx_irqs; /* configured via set-channels */
u16 cfg_num_tx_irqs; /* configured via set-channels */
u16 num_evt_qs;
u16 num_msix_vec;
struct be_eq_obj eq_obj[MAX_EVT_QS];
struct msix_entry msix_entries[MAX_MSIX_VECTORS];
bool isr_registered;
/* TX Rings */
u16 num_tx_qs;
struct be_tx_obj tx_obj[MAX_TX_QS];
/* Rx rings */
u16 num_rx_qs;
u16 num_rss_qs;
u16 need_def_rxq;
struct be_rx_obj rx_obj[MAX_RX_QS];
u32 big_page_size; /* Compounded page size shared by rx wrbs */
struct be_drv_stats drv_stats;
struct be_aic_obj aic_obj[MAX_EVT_QS];
bool aic_enabled;
u8 vlan_prio_bmap; /* Available Priority BitMap */
u16 recommended_prio_bits;/* Recommended Priority bits in vlan tag */
struct be_dma_mem rx_filter; /* Cmd DMA mem for rx-filter */
struct be_dma_mem stats_cmd;
/* Work queue used to perform periodic tasks like getting statistics */
struct delayed_work work;
u16 work_counter;
u8 recovery_retries;
u8 err_flags;
bool pcicfg_mapped; /* pcicfg obtained via pci_iomap() */
u32 flags;
u32 cmd_privileges;
/* Ethtool knobs and info */
char fw_ver[FW_VER_LEN];
char fw_on_flash[FW_VER_LEN];
/* IFACE filtering fields */
int if_handle; /* Used to configure filtering */
u32 if_flags; /* Interface filtering flags */
u32 *pmac_id; /* MAC addr handle used by BE card */
struct be_eth_addr *uc_list;/* list of uc-addrs programmed (not perm) */
u32 uc_macs; /* Count of secondary UC MAC programmed */
struct be_eth_addr *mc_list;/* list of mcast addrs programmed */
u32 mc_count;
unsigned long vids[BITS_TO_LONGS(VLAN_N_VID)];
u16 vlans_added;
bool update_uc_list;
bool update_mc_list;
struct mutex rx_filter_lock;/* For protecting vids[] & mc/uc_list[] */
u32 beacon_state; /* for set_phys_id */
u32 port_num;
char port_name;
u8 mc_type;
u32 function_mode;
u32 function_caps;
u32 rx_fc; /* Rx flow control */
u32 tx_fc; /* Tx flow control */
bool stats_cmd_sent;
struct {
u32 size;
u32 total_size;
u64 io_addr;
} roce_db;
u32 num_msix_roce_vec;
struct ocrdma_dev *ocrdma_dev;
struct list_head entry;
u32 flash_status;
struct completion et_cmd_compl;
struct be_resources pool_res; /* resources available for the port */
struct be_resources res; /* resources available for the func */
u16 num_vfs; /* Number of VFs provisioned by PF */
u8 pf_num; /* Numbering used by FW, starts at 0 */
u8 vf_num; /* Numbering used by FW, starts at 1 */
u8 virtfn;
struct be_vf_cfg *vf_cfg;
bool be3_native;
u32 sli_family;
u8 hba_port_num;
u16 pvid;
__be16 vxlan_port; /* offloaded vxlan port num */
int vxlan_port_count; /* active vxlan port count */
struct list_head vxlan_port_list; /* vxlan port list */
struct phy_info phy;
u8 wol_cap;
bool wol_en;
u16 asic_rev;
u16 qnq_vid;
u32 msg_enable;
int be_get_temp_freq;
struct be_hwmon hwmon_info;
struct rss_info rss_info;
/* Filters for packets that need to be sent to BMC */
u32 bmc_filt_mask;
u32 fat_dump_len;
u16 serial_num[CNTL_SERIAL_NUM_WORDS];
u8 phy_state; /* state of sfp optics (functional, faulted, etc.,) */
u8 dev_mac[ETH_ALEN];
u32 priv_flags; /* ethtool get/set_priv_flags() */
struct be_error_recovery error_recovery;
};
/* Used for defered FW config cmds. Add fields to this struct as reqd */
struct be_cmd_work {
struct work_struct work;
struct be_adapter *adapter;
union {
__be16 vxlan_port;
} info;
};
#define be_physfn(adapter) (!adapter->virtfn)
#define be_virtfn(adapter) (adapter->virtfn)
#define sriov_enabled(adapter) (adapter->flags & \
BE_FLAGS_SRIOV_ENABLED)
#define for_all_vfs(adapter, vf_cfg, i) \
for (i = 0, vf_cfg = &adapter->vf_cfg[i]; i < adapter->num_vfs; \
i++, vf_cfg++)
#define ON 1
#define OFF 0
#define be_max_vlans(adapter) (adapter->res.max_vlans)
#define be_max_uc(adapter) (adapter->res.max_uc_mac)
#define be_max_mc(adapter) (adapter->res.max_mcast_mac)
#define be_max_vfs(adapter) (adapter->pool_res.max_vfs)
#define be_max_rss(adapter) (adapter->res.max_rss_qs)
#define be_max_txqs(adapter) (adapter->res.max_tx_qs)
#define be_max_prio_txqs(adapter) (adapter->res.max_prio_tx_qs)
#define be_max_rxqs(adapter) (adapter->res.max_rx_qs)
/* Max number of EQs available for the function (NIC + RoCE (if enabled)) */
#define be_max_func_eqs(adapter) (adapter->res.max_evt_qs)
/* Max number of EQs available avaialble only for NIC */
#define be_max_nic_eqs(adapter) (adapter->res.max_nic_evt_qs)
#define be_if_cap_flags(adapter) (adapter->res.if_cap_flags)
#define be_max_pf_pool_rss_tables(adapter) \
(adapter->pool_res.max_rss_tables)
/* Max irqs avaialble for NIC */
#define be_max_irqs(adapter) \
(min_t(u16, be_max_nic_eqs(adapter), num_online_cpus()))
/* Max irqs *needed* for RX queues */
static inline u16 be_max_rx_irqs(struct be_adapter *adapter)
{
/* If no RSS, need atleast one irq for def-RXQ */
u16 num = max_t(u16, be_max_rss(adapter), 1);
return min_t(u16, num, be_max_irqs(adapter));
}
/* Max irqs *needed* for TX queues */
static inline u16 be_max_tx_irqs(struct be_adapter *adapter)
{
return min_t(u16, be_max_txqs(adapter), be_max_irqs(adapter));
}
/* Max irqs *needed* for combined queues */
static inline u16 be_max_qp_irqs(struct be_adapter *adapter)
{
return min(be_max_tx_irqs(adapter), be_max_rx_irqs(adapter));
}
/* Max irqs *needed* for RX and TX queues together */
static inline u16 be_max_any_irqs(struct be_adapter *adapter)
{
return max(be_max_tx_irqs(adapter), be_max_rx_irqs(adapter));
}
/* Is BE in pvid_tagging mode */
#define be_pvid_tagging_enabled(adapter) (adapter->pvid)
/* Is BE in QNQ multi-channel mode */
#define be_is_qnq_mode(adapter) (adapter->function_mode & QNQ_MODE)
#ifdef [31mCONFIG_BE2NET_LANCER[0m
#define lancer_chip(adapter) (adapter->pdev->device == OC_DEVICE_ID3 || \
adapter->pdev->device == OC_DEVICE_ID4)
#else
#define lancer_chip(adapter) (0)
#endif /* CONFIG_BE2NET_LANCER */
#ifdef [31mCONFIG_BE2NET_SKYHAWK[0m
#define skyhawk_chip(adapter) (adapter->pdev->device == OC_DEVICE_ID5 || \
adapter->pdev->device == OC_DEVICE_ID6)
#else
#define skyhawk_chip(adapter) (0)
#endif /* CONFIG_BE2NET_SKYHAWK */
#ifdef [31mCONFIG_BE2NET_BE3[0m
#define BE3_chip(adapter) (adapter->pdev->device == BE_DEVICE_ID2 || \
adapter->pdev->device == OC_DEVICE_ID2)
#else
#define BE3_chip(adapter) (0)
#endif /* CONFIG_BE2NET_BE3 */
#ifdef [31mCONFIG_BE2NET_BE2[0m
#define BE2_chip(adapter) (adapter->pdev->device == BE_DEVICE_ID1 || \
adapter->pdev->device == OC_DEVICE_ID1)
#else
#define BE2_chip(adapter) (0)
#endif /* CONFIG_BE2NET_BE2 */
#define BEx_chip(adapter) (BE3_chip(adapter) || BE2_chip(adapter))
#define be_roce_supported(adapter) (skyhawk_chip(adapter) && \
(adapter->function_mode & RDMA_ENABLED))
extern const struct ethtool_ops be_ethtool_ops;
#define msix_enabled(adapter) (adapter->num_msix_vec > 0)
#define num_irqs(adapter) (msix_enabled(adapter) ? \
adapter->num_msix_vec : 1)
#define tx_stats(txo) (&(txo)->stats)
#define rx_stats(rxo) (&(rxo)->stats)
/* The default RXQ is the last RXQ */
#define default_rxo(adpt) (&adpt->rx_obj[adpt->num_rx_qs - 1])
#define for_all_rx_queues(adapter, rxo, i) \
for (i = 0, rxo = &adapter->rx_obj[i]; i < adapter->num_rx_qs; \
i++, rxo++)
#define for_all_rss_queues(adapter, rxo, i) \
for (i = 0, rxo = &adapter->rx_obj[i]; i < adapter->num_rss_qs; \
i++, rxo++)
#define for_all_tx_queues(adapter, txo, i) \
for (i = 0, txo = &adapter->tx_obj[i]; i < adapter->num_tx_qs; \
i++, txo++)
#define for_all_evt_queues(adapter, eqo, i) \
for (i = 0, eqo = &adapter->eq_obj[i]; i < adapter->num_evt_qs; \
i++, eqo++)
#define for_all_rx_queues_on_eq(adapter, eqo, rxo, i) \
for (i = eqo->idx, rxo = &adapter->rx_obj[i]; i < adapter->num_rx_qs;\
i += adapter->num_evt_qs, rxo += adapter->num_evt_qs)
#define for_all_tx_queues_on_eq(adapter, eqo, txo, i) \
for (i = eqo->idx, txo = &adapter->tx_obj[i]; i < adapter->num_tx_qs;\
i += adapter->num_evt_qs, txo += adapter->num_evt_qs)
#define is_mcc_eqo(eqo) (eqo->idx == 0)
#define mcc_eqo(adapter) (&adapter->eq_obj[0])
#define PAGE_SHIFT_4K 12
#define PAGE_SIZE_4K (1 << PAGE_SHIFT_4K)
/* Returns number of pages spanned by the data starting at the given addr */
#define PAGES_4K_SPANNED(_address, size) \
((u32)((((size_t)(_address) & (PAGE_SIZE_4K - 1)) + \
(size) + (PAGE_SIZE_4K - 1)) >> PAGE_SHIFT_4K))
/* Returns bit offset within a DWORD of a bitfield */
#define AMAP_BIT_OFFSET(_struct, field) \
(((size_t)&(((_struct *)0)->field))%32)
/* Returns the bit mask of the field that is NOT shifted into location. */
static inline u32 amap_mask(u32 bitsize)
{
return (bitsize == 32 ? 0xFFFFFFFF : (1 << bitsize) - 1);
}
static inline void
amap_set(void *ptr, u32 dw_offset, u32 mask, u32 offset, u32 value)
{
u32 *dw = (u32 *) ptr + dw_offset;
*dw &= ~(mask << offset);
*dw |= (mask & value) << offset;
}
#define AMAP_SET_BITS(_struct, field, ptr, val) \
amap_set(ptr, \
offsetof(_struct, field)/32, \
amap_mask(sizeof(((_struct *)0)->field)), \
AMAP_BIT_OFFSET(_struct, field), \
val)
static inline u32 amap_get(void *ptr, u32 dw_offset, u32 mask, u32 offset)
{
u32 *dw = (u32 *) ptr;
return mask & (*(dw + dw_offset) >> offset);
}
#define AMAP_GET_BITS(_struct, field, ptr) \
amap_get(ptr, \
offsetof(_struct, field)/32, \
amap_mask(sizeof(((_struct *)0)->field)), \
AMAP_BIT_OFFSET(_struct, field))
#define GET_RX_COMPL_V0_BITS(field, ptr) \
AMAP_GET_BITS(struct amap_eth_rx_compl_v0, field, ptr)
#define GET_RX_COMPL_V1_BITS(field, ptr) \
AMAP_GET_BITS(struct amap_eth_rx_compl_v1, field, ptr)
#define GET_TX_COMPL_BITS(field, ptr) \
AMAP_GET_BITS(struct amap_eth_tx_compl, field, ptr)
#define SET_TX_WRB_HDR_BITS(field, ptr, val) \
AMAP_SET_BITS(struct amap_eth_hdr_wrb, field, ptr, val)
#define be_dws_cpu_to_le(wrb, len) swap_dws(wrb, len)
#define be_dws_le_to_cpu(wrb, len) swap_dws(wrb, len)
static inline void swap_dws(void *wrb, int len)
{
#ifdef __BIG_ENDIAN
u32 *dw = wrb;
BUG_ON(len % 4);
do {
*dw = cpu_to_le32(*dw);
dw++;
len -= 4;
} while (len);
#endif /* __BIG_ENDIAN */
}
#define be_cmd_status(status) (status > 0 ? -EIO : status)
static inline u8 is_tcp_pkt(struct sk_buff *skb)
{
u8 val = 0;
if (ip_hdr(skb)->version == 4)
val = (ip_hdr(skb)->protocol == IPPROTO_TCP);
else if (ip_hdr(skb)->version == 6)
val = (ipv6_hdr(skb)->nexthdr == NEXTHDR_TCP);
return val;
}
static inline u8 is_udp_pkt(struct sk_buff *skb)
{
u8 val = 0;
if (ip_hdr(skb)->version == 4)
val = (ip_hdr(skb)->protocol == IPPROTO_UDP);
else if (ip_hdr(skb)->version == 6)
val = (ipv6_hdr(skb)->nexthdr == NEXTHDR_UDP);
return val;
}
static inline bool is_ipv4_pkt(struct sk_buff *skb)
{
return skb->protocol == htons(ETH_P_IP) && ip_hdr(skb)->version == 4;
}
static inline bool is_ipv6_ext_hdr(struct sk_buff *skb)
{
if (ip_hdr(skb)->version == 6)
return ipv6_ext_hdr(ipv6_hdr(skb)->nexthdr);
else
return false;
}
#define be_error_recovering(adapter) \
(adapter->flags & BE_FLAGS_TRY_RECOVERY)
#define BE_ERROR_EEH 1
#define BE_ERROR_UE BIT(1)
#define BE_ERROR_FW BIT(2)
#define BE_ERROR_TX BIT(3)
#define BE_ERROR_HW (BE_ERROR_EEH | BE_ERROR_UE | BE_ERROR_TX)
#define BE_ERROR_ANY (BE_ERROR_EEH | BE_ERROR_UE | BE_ERROR_FW | \
BE_ERROR_TX)
#define BE_CLEAR_ALL 0xFF
static inline u8 be_check_error(struct be_adapter *adapter, u32 err_type)
{
return (adapter->err_flags & err_type);
}
static inline void be_set_error(struct be_adapter *adapter, int err_type)
{
struct net_device *netdev = adapter->netdev;
adapter->err_flags |= err_type;
netif_carrier_off(netdev);
dev_info(&adapter->pdev->dev, "%s: Link down\n", netdev->name);
}
static inline void be_clear_error(struct be_adapter *adapter, int err_type)
{
adapter->err_flags &= ~err_type;
}
static inline bool be_multi_rxq(const struct be_adapter *adapter)
{
return adapter->num_rx_qs > 1;
}
void be_cq_notify(struct be_adapter *adapter, u16 qid, bool arm,
u16 num_popped);
void be_link_status_update(struct be_adapter *adapter, u8 link_status);
void be_parse_stats(struct be_adapter *adapter);
int be_load_fw(struct be_adapter *adapter, u8 *func);
bool be_is_wol_supported(struct be_adapter *adapter);
bool be_pause_supported(struct be_adapter *adapter);
u32 be_get_fw_log_level(struct be_adapter *adapter);
int be_update_queues(struct be_adapter *adapter);
int be_poll(struct napi_struct *napi, int budget);
void be_eqd_update(struct be_adapter *adapter, bool force_update);
/*
* internal function to initialize-cleanup roce device.
*/
void be_roce_dev_add(struct be_adapter *);
void be_roce_dev_remove(struct be_adapter *);
/*
* internal function to open-close roce device during ifup-ifdown.
*/
void be_roce_dev_shutdown(struct be_adapter *);
#endif /* BE_H */