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Diffstat (limited to 'drivers/staging/benet/benet.h')
| -rw-r--r-- | drivers/staging/benet/benet.h | 429 |
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_ */ |