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Diffstat (limited to 'drivers/staging/benet/benet.h')
-rw-r--r--drivers/staging/benet/benet.h429
1 files changed, 0 insertions, 429 deletions
diff --git a/drivers/staging/benet/benet.h b/drivers/staging/benet/benet.h
deleted file mode 100644
index 09a1f0817722..000000000000
--- a/drivers/staging/benet/benet.h
+++ /dev/null
@@ -1,429 +0,0 @@
-/*
- * Copyright (C) 2005 - 2008 ServerEngines
- * All rights reserved.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License version 2
- * as published by the Free Software Foundation. The full GNU General
- * Public License is included in this distribution in the file called COPYING.
- *
- * Contact Information:
- * linux-drivers@serverengines.com
- *
- * ServerEngines
- * 209 N. Fair Oaks Ave
- * Sunnyvale, CA 94085
- */
-#ifndef _BENET_H_
-#define _BENET_H_
-
-#include <linux/pci.h>
-#include <linux/netdevice.h>
-#include <linux/inet_lro.h>
-#include "hwlib.h"
-
-#define _SA_MODULE_NAME "net-driver"
-
-#define VLAN_VALID_BIT 0x8000
-#define BE_NUM_VLAN_SUPPORTED 32
-#define BE_PORT_LINK_DOWN 0000
-#define BE_PORT_LINK_UP 0001
-#define BE_MAX_TX_FRAG_COUNT (30)
-
-/* Flag bits for send operation */
-#define IPCS (1 << 0) /* Enable IP checksum offload */
-#define UDPCS (1 << 1) /* Enable UDP checksum offload */
-#define TCPCS (1 << 2) /* Enable TCP checksum offload */
-#define LSO (1 << 3) /* Enable Large Segment offload */
-#define ETHVLAN (1 << 4) /* Enable VLAN insert */
-#define ETHEVENT (1 << 5) /* Generate event on completion */
-#define ETHCOMPLETE (1 << 6) /* Generate completion when done */
-#define IPSEC (1 << 7) /* Enable IPSEC */
-#define FORWARD (1 << 8) /* Send the packet in forwarding path */
-#define FIN (1 << 9) /* Issue FIN segment */
-
-#define BE_MAX_MTU 8974
-
-#define BE_MAX_LRO_DESCRIPTORS 8
-#define BE_LRO_MAX_PKTS 64
-#define BE_MAX_FRAGS_PER_FRAME 6
-
-extern const char be_drvr_ver[];
-extern char be_fw_ver[];
-extern char be_driver_name[];
-
-extern struct ethtool_ops be_ethtool_ops;
-
-#define BE_DEV_STATE_NONE 0
-#define BE_DEV_STATE_INIT 1
-#define BE_DEV_STATE_OPEN 2
-#define BE_DEV_STATE_SUSPEND 3
-
-/* This structure is used to describe physical fragments to use
- * for DMAing data from NIC.
- */
-struct be_recv_buffer {
- struct list_head rxb_list; /* for maintaining a linked list */
- void *rxb_va; /* buffer virtual address */
- u32 rxb_pa_lo; /* low part of physical address */
- u32 rxb_pa_hi; /* high part of physical address */
- u32 rxb_len; /* length of recv buffer */
- void *rxb_ctxt; /* context for OSM driver to use */
-};
-
-/*
- * fragment list to describe scattered data.
- */
-struct be_tx_frag_list {
- u32 txb_len; /* Size of this fragment */
- u32 txb_pa_lo; /* Lower 32 bits of 64 bit physical addr */
- u32 txb_pa_hi; /* Higher 32 bits of 64 bit physical addr */
-};
-
-struct be_rx_page_info {
- struct page *page;
- dma_addr_t bus;
- u16 page_offset;
-};
-
-/*
- * This structure is the main tracking structure for a NIC interface.
- */
-struct be_net_object {
- /* MCC Ring - used to send fwcmds to embedded ARM processor */
- struct MCC_WRB_AMAP *mcc_q; /* VA of the start of the ring */
- u32 mcc_q_len; /* # of WRB entries in this ring */
- u32 mcc_q_size;
- u32 mcc_q_hd; /* MCC ring head */
- u8 mcc_q_created; /* flag to help cleanup */
- struct be_mcc_object mcc_q_obj; /* BECLIB's MCC ring Object */
- dma_addr_t mcc_q_bus; /* DMA'ble bus address */
-
- /* MCC Completion Ring - FW responses to fwcmds sent from MCC ring */
- struct MCC_CQ_ENTRY_AMAP *mcc_cq; /* VA of the start of the ring */
- u32 mcc_cq_len; /* # of compl. entries in this ring */
- u32 mcc_cq_size;
- u32 mcc_cq_tl; /* compl. ring tail */
- u8 mcc_cq_created; /* flag to help cleanup */
- struct be_cq_object mcc_cq_obj; /* BECLIB's MCC compl. ring object */
- u32 mcc_cq_id; /* MCC ring ID */
- dma_addr_t mcc_cq_bus; /* DMA'ble bus address */
-
- struct ring_desc mb_rd; /* RD for MCC_MAIL_BOX */
- void *mb_ptr; /* mailbox ptr to be freed */
- dma_addr_t mb_bus; /* DMA'ble bus address */
- u32 mb_size;
-
- /* BEClib uses an array of context objects to track outstanding
- * requests to the MCC. We need allocate the same number of
- * conext entries as the number of entries in the MCC WRB ring
- */
- u32 mcc_wrb_ctxt_size;
- void *mcc_wrb_ctxt; /* pointer to the context area */
- u32 mcc_wrb_ctxtLen; /* Number of entries in the context */
- /*
- * NIC send request ring - used for xmitting raw ether frames.
- */
- struct ETH_WRB_AMAP *tx_q; /* VA of the start of the ring */
- u32 tx_q_len; /* # if entries in the send ring */
- u32 tx_q_size;
- u32 tx_q_hd; /* Head index. Next req. goes here */
- u32 tx_q_tl; /* Tail indx. oldest outstanding req. */
- u8 tx_q_created; /* flag to help cleanup */
- struct be_ethsq_object tx_q_obj;/* BECLIB's send Q handle */
- dma_addr_t tx_q_bus; /* DMA'ble bus address */
- u32 tx_q_id; /* send queue ring ID */
- u32 tx_q_port; /* 0 no binding, 1 port A, 2 port B */
- atomic_t tx_q_used; /* # of WRBs used */
- /* ptr to an array in which we store context info for each send req. */
- void **tx_ctxt;
- /*
- * NIC Send compl. ring - completion status for all NIC frames xmitted.
- */
- struct ETH_TX_COMPL_AMAP *tx_cq;/* VA of start of the ring */
- u32 txcq_len; /* # of entries in the ring */
- u32 tx_cq_size;
- /*
- * index into compl ring where the host expects next completion entry
- */
- u32 tx_cq_tl;
- u32 tx_cq_id; /* completion queue id */
- u8 tx_cq_created; /* flag to help cleanup */
- struct be_cq_object tx_cq_obj;
- dma_addr_t tx_cq_bus; /* DMA'ble bus address */
- /*
- * Event Queue - all completion entries post events here.
- */
- struct EQ_ENTRY_AMAP *event_q; /* VA of start of event queue */
- u32 event_q_len; /* # of entries */
- u32 event_q_size;
- u32 event_q_tl; /* Tail of the event queue */
- u32 event_q_id; /* Event queue ID */
- u8 event_q_created; /* flag to help cleanup */
- struct be_eq_object event_q_obj; /* Queue handle */
- dma_addr_t event_q_bus; /* DMA'ble bus address */
- /*
- * NIC receive queue - Data buffers to be used for receiving unicast,
- * broadcast and multi-cast frames are posted here.
- */
- struct ETH_RX_D_AMAP *rx_q; /* VA of start of the queue */
- u32 rx_q_len; /* # of entries */
- u32 rx_q_size;
- u32 rx_q_hd; /* Head of the queue */
- atomic_t rx_q_posted; /* number of posted buffers */
- u32 rx_q_id; /* queue ID */
- u8 rx_q_created; /* flag to help cleanup */
- struct be_ethrq_object rx_q_obj; /* NIC RX queue handle */
- dma_addr_t rx_q_bus; /* DMA'ble bus address */
- /*
- * Pointer to an array of opaque context object for use by OSM driver
- */
- void **rx_ctxt;
- /*
- * NIC unicast RX completion queue - all unicast ether frame completion
- * statuses from BE come here.
- */
- struct ETH_RX_COMPL_AMAP *rx_cq; /* VA of start of the queue */
- u32 rx_cq_len; /* # of entries */
- u32 rx_cq_size;
- u32 rx_cq_tl; /* Tail of the queue */
- u32 rx_cq_id; /* queue ID */
- u8 rx_cq_created; /* flag to help cleanup */
- struct be_cq_object rx_cq_obj; /* queue handle */
- dma_addr_t rx_cq_bus; /* DMA'ble bus address */
- struct be_function_object fn_obj; /* function object */
- bool fn_obj_created;
- u32 rx_buf_size; /* Size of the RX buffers */
-
- struct net_device *netdev;
- struct be_recv_buffer eth_rx_bufs[256]; /* to pass Rx buffer
- addresses */
- struct be_adapter *adapter; /* Pointer to OSM adapter */
- u32 devno; /* OSM, network dev no. */
- u32 use_port; /* Current active port */
- struct be_rx_page_info *rx_page_info; /* Array of Rx buf pages */
- u32 rx_pg_info_hd; /* Head of queue */
- int rxbuf_post_fail; /* RxBuff posting fail count */
- bool rx_pg_shared; /* Is an allocsted page shared as two frags ? */
- struct vlan_group *vlan_grp;
- u32 num_vlans; /* Number of vlans in BE's filter */
- u16 vlan_tag[BE_NUM_VLAN_SUPPORTED]; /* vlans currently configured */
- struct napi_struct napi;
- struct net_lro_mgr lro_mgr;
- struct net_lro_desc lro_desc[BE_MAX_LRO_DESCRIPTORS];
-};
-
-#define NET_FH(np) (&(np)->fn_obj)
-
-/*
- * BE driver statistics.
- */
-struct be_drvr_stat {
- u32 bes_tx_reqs; /* number of TX requests initiated */
- u32 bes_tx_fails; /* number of TX requests that failed */
- u32 bes_fwd_reqs; /* number of send reqs through forwarding i/f */
- u32 bes_tx_wrbs; /* number of tx WRBs used */
-
- u32 bes_ints; /* number of interrupts */
- u32 bes_polls; /* number of times NAPI called poll function */
- u32 bes_events; /* total evet entries processed */
- u32 bes_tx_events; /* number of tx completion events */
- u32 bes_rx_events; /* number of ucast rx completion events */
- u32 bes_tx_compl; /* number of tx completion entries processed */
- u32 bes_rx_compl; /* number of rx completion entries
- processed */
- u32 bes_ethrx_post_fail; /* number of ethrx buffer alloc
- failures */
- /*
- * number of non ether type II frames dropped where
- * frame len > length field of Mac Hdr
- */
- u32 bes_802_3_dropped_frames;
- /*
- * number of non ether type II frames malformed where
- * in frame len < length field of Mac Hdr
- */
- u32 bes_802_3_malformed_frames;
- u32 bes_ips; /* interrupts / sec */
- u32 bes_prev_ints; /* bes_ints at last IPS calculation */
- u16 bes_eth_tx_rate; /* ETH TX rate - Mb/sec */
- u16 bes_eth_rx_rate; /* ETH RX rate - Mb/sec */
- u32 bes_rx_coal; /* Num pkts coalasced */
- u32 bes_rx_flush; /* Num times coalasced */
- u32 bes_link_change_physical; /*Num of times physical link changed */
- u32 bes_link_change_virtual; /*Num of times virtual link changed */
- u32 bes_rx_misc_pkts; /* Misc pkts received */
-};
-
-/* Maximum interrupt delay (in microseconds) allowed */
-#define MAX_EQD 120
-
-/*
- * timer to prevent system shutdown hang for ever if h/w stops responding
- */
-struct be_timer_ctxt {
- atomic_t get_stat_flag;
- struct timer_list get_stats_timer;
- unsigned long get_stat_sem_addr;
-} ;
-
-/* This structure is the main BladeEngine driver context. */
-struct be_adapter {
- struct net_device *netdevp;
- struct be_drvr_stat be_stat;
- struct net_device_stats benet_stats;
-
- /* PCI BAR mapped addresses */
- u8 __iomem *csr_va; /* CSR */
- u8 __iomem *db_va; /* Door Bell */
- u8 __iomem *pci_va; /* PCI Config */
-
- struct tasklet_struct sts_handler;
- struct timer_list cq_timer;
- spinlock_t int_lock; /* to protect the isr field in adapter */
-
- struct FWCMD_ETH_GET_STATISTICS *eth_statsp;
- /*
- * This will enable the use of ethtool to enable or disable
- * Checksum on Rx pkts to be obeyed or disobeyed.
- * If this is true = 1, then whatever is the checksum on the
- * Received pkt as per BE, it will be given to the stack.
- * Else the stack will re calculate it.
- */
- bool rx_csum;
- /*
- * This will enable the use of ethtool to enable or disable
- * Coalese on Rx pkts to be obeyed or disobeyed.
- * If this is grater than 0 and less than 16 then coalascing
- * is enabled else it is disabled
- */
- u32 max_rx_coal;
- struct pci_dev *pdev; /* Pointer to OS's PCI dvice */
-
- spinlock_t txq_lock; /* to stop/wake queue based on tx_q_used */
-
- u32 isr; /* copy of Intr status reg. */
-
- u32 port0_link_sts; /* Port 0 link status */
- u32 port1_link_sts; /* port 1 list status */
- struct BE_LINK_STATUS *be_link_sts;
-
- /* pointer to the first netobject of this adapter */
- struct be_net_object *net_obj;
-
- /* Flags to indicate what to clean up */
- bool tasklet_started;
- bool isr_registered;
- /*
- * adaptive interrupt coalescing (AIC) related
- */
- bool enable_aic; /* 1 if AIC is enabled */
- u16 min_eqd; /* minimum EQ delay in usec */
- u16 max_eqd; /* minimum EQ delay in usec */
- u16 cur_eqd; /* current EQ delay in usec */
- /*
- * book keeping for interrupt / sec and TX/RX rate calculation
- */
- ulong ips_jiffies; /* jiffies at last IPS calc */
- u32 eth_tx_bytes;
- ulong eth_tx_jiffies;
- u32 eth_rx_bytes;
- ulong eth_rx_jiffies;
-
- struct semaphore get_eth_stat_sem;
-
- /* timer ctxt to prevent shutdown hanging due to un-responsive BE */
- struct be_timer_ctxt timer_ctxt;
-
-#define BE_MAX_MSIX_VECTORS 32
-#define BE_MAX_REQ_MSIX_VECTORS 1 /* only one EQ in Linux driver */
- struct msix_entry msix_entries[BE_MAX_MSIX_VECTORS];
- bool msix_enabled;
- bool dma_64bit_cap; /* the Device DAC capable or not */
- u8 dev_state; /* The current state of the device */
- u8 dev_pm_state; /* The State of device before going to suspend */
-};
-
-/*
- * Every second we look at the ints/sec and adjust eq_delay
- * between adapter->min_eqd and adapter->max_eqd to keep the ints/sec between
- * IPS_HI_WM and IPS_LO_WM.
- */
-#define IPS_HI_WM 18000
-#define IPS_LO_WM 8000
-
-
-static inline void index_adv(u32 *index, u32 val, u32 limit)
-{
- BUG_ON(limit & (limit-1));
- *index = (*index + val) & (limit - 1);
-}
-
-static inline void index_inc(u32 *index, u32 limit)
-{
- BUG_ON(limit & (limit-1));
- *index = (*index + 1) & (limit - 1);
-}
-
-static inline void be_adv_eq_tl(struct be_net_object *pnob)
-{
- index_inc(&pnob->event_q_tl, pnob->event_q_len);
-}
-
-static inline void be_adv_txq_hd(struct be_net_object *pnob)
-{
- index_inc(&pnob->tx_q_hd, pnob->tx_q_len);
-}
-
-static inline void be_adv_txq_tl(struct be_net_object *pnob)
-{
- index_inc(&pnob->tx_q_tl, pnob->tx_q_len);
-}
-
-static inline void be_adv_txcq_tl(struct be_net_object *pnob)
-{
- index_inc(&pnob->tx_cq_tl, pnob->txcq_len);
-}
-
-static inline void be_adv_rxq_hd(struct be_net_object *pnob)
-{
- index_inc(&pnob->rx_q_hd, pnob->rx_q_len);
-}
-
-static inline void be_adv_rxcq_tl(struct be_net_object *pnob)
-{
- index_inc(&pnob->rx_cq_tl, pnob->rx_cq_len);
-}
-
-static inline u32 tx_compl_lastwrb_idx_get(struct be_net_object *pnob)
-{
- return (pnob->tx_q_tl + *(u32 *)&pnob->tx_ctxt[pnob->tx_q_tl] - 1)
- & (pnob->tx_q_len - 1);
-}
-
-int benet_init(struct net_device *);
-int be_ethtool_ioctl(struct net_device *, struct ifreq *);
-struct net_device_stats *benet_get_stats(struct net_device *);
-void be_process_intr(unsigned long context);
-irqreturn_t be_int(int irq, void *dev);
-void be_post_eth_rx_buffs(struct be_net_object *);
-void be_get_stat_cb(void *, int, struct MCC_WRB_AMAP *);
-void be_get_stats_timer_handler(unsigned long);
-void be_wait_nic_tx_cmplx_cmpl(struct be_net_object *);
-void be_print_link_info(struct BE_LINK_STATUS *);
-void be_update_link_status(struct be_adapter *);
-void be_init_procfs(struct be_adapter *);
-void be_cleanup_procfs(struct be_adapter *);
-int be_poll(struct napi_struct *, int);
-struct ETH_RX_COMPL_AMAP *be_get_rx_cmpl(struct be_net_object *);
-void be_notify_cmpl(struct be_net_object *, int, int, int);
-void be_enable_intr(struct be_net_object *);
-void be_enable_eq_intr(struct be_net_object *);
-void be_disable_intr(struct be_net_object *);
-void be_disable_eq_intr(struct be_net_object *);
-int be_set_uc_mac_adr(struct be_net_object *, u8, u8, u8,
- u8 *, mcc_wrb_cqe_callback, void *);
-int be_get_flow_ctl(struct be_function_object *pFnObj, bool *, bool *);
-void process_one_tx_compl(struct be_net_object *pnob, u32 end_idx);
-
-#endif /* _BENET_H_ */