diff options
Diffstat (limited to 'drivers/net/benet/be.h')
| -rw-r--r-- | drivers/net/benet/be.h | 342 |
1 files changed, 0 insertions, 342 deletions
diff --git a/drivers/net/benet/be.h b/drivers/net/benet/be.h deleted file mode 100644 index b4bb06fdf30..00000000000 --- a/drivers/net/benet/be.h +++ /dev/null @@ -1,342 +0,0 @@ -/* - * Copyright (C) 2005 - 2009 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 BE_H -#define BE_H - -#include <linux/pci.h> -#include <linux/etherdevice.h> -#include <linux/version.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/inet_lro.h> - -#include "be_hw.h" - -#define DRV_VER "2.0.348" -#define DRV_NAME "be2net" -#define BE_NAME "ServerEngines BladeEngine2 10Gbps NIC" -#define OC_NAME "Emulex OneConnect 10Gbps NIC" -#define DRV_DESC BE_NAME "Driver" - -#define BE_VENDOR_ID 0x19a2 -#define BE_DEVICE_ID1 0x211 -#define OC_DEVICE_ID1 0x700 -#define OC_DEVICE_ID2 0x701 - -static inline char *nic_name(struct pci_dev *pdev) -{ - if (pdev->device == OC_DEVICE_ID1 || pdev->device == OC_DEVICE_ID2) - return OC_NAME; - else - return BE_NAME; -} - -/* Number of bytes of an RX frame that are copied to skb->data */ -#define BE_HDR_LEN 64 -#define BE_MAX_JUMBO_FRAME_SIZE 9018 -#define BE_MIN_MTU 256 - -#define BE_NUM_VLANS_SUPPORTED 64 -#define BE_MAX_EQD 96 -#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 64 /* total size not to exceed 8 pages */ -#define MCC_CQ_LEN 256 - -#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 BE_MAX_LRO_DESCRIPTORS 16 -#define BE_MAX_FRAGS_PER_FRAME 16 - -struct be_dma_mem { - void *va; - dma_addr_t dma; - u32 size; -}; - -struct be_queue_info { - struct be_dma_mem dma_mem; - u16 len; - u16 entry_size; /* Size of an element in the queue */ - u16 id; - u16 tail, head; - bool created; - atomic_t used; /* Number of valid elements in the queue */ -}; - -struct be_ctrl_info { - u8 __iomem *csr; - u8 __iomem *db; /* Door Bell */ - u8 __iomem *pcicfg; /* PCI config space */ - int pci_func; - - /* Mbox used for cmd request/response */ - spinlock_t cmd_lock; /* For serializing 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; -}; - -#include "be_cmds.h" - -struct be_drvr_stats { - u32 be_tx_reqs; /* number of TX requests initiated */ - u32 be_tx_stops; /* number of times TX Q was stopped */ - u32 be_fwd_reqs; /* number of send reqs through forwarding i/f */ - u32 be_tx_wrbs; /* number of tx WRBs used */ - u32 be_tx_events; /* number of tx completion events */ - u32 be_tx_compl; /* number of tx completion entries processed */ - ulong be_tx_jiffies; - u64 be_tx_bytes; - u64 be_tx_bytes_prev; - u32 be_tx_rate; - - u32 cache_barrier[16]; - - u32 be_ethrx_post_fail;/* number of ethrx buffer alloc failures */ - u32 be_polls; /* number of times NAPI called poll function */ - u32 be_rx_events; /* number of ucast rx completion events */ - u32 be_rx_compl; /* number of rx completion entries processed */ - u32 be_lro_hgram_data[8]; /* histogram of LRO data packets */ - u32 be_lro_hgram_ack[8]; /* histogram of LRO ACKs */ - ulong be_rx_jiffies; - u64 be_rx_bytes; - u64 be_rx_bytes_prev; - u32 be_rx_rate; - /* number of non ether type II frames dropped where - * frame len > length field of Mac Hdr */ - u32 be_802_3_dropped_frames; - /* number of non ether type II frames malformed where - * in frame len < length field of Mac Hdr */ - u32 be_802_3_malformed_frames; - u32 be_rxcp_err; /* Num rx completion entries w/ err set. */ - ulong rx_fps_jiffies; /* jiffies at last FPS calc */ - u32 be_rx_frags; - u32 be_prev_rx_frags; - u32 be_rx_fps; /* Rx frags per second */ -}; - -struct be_stats_obj { - struct be_drvr_stats drvr_stats; - struct net_device_stats net_stats; - struct be_dma_mem cmd; -}; - -struct be_eq_obj { - struct be_queue_info q; - char desc[32]; - - /* Adaptive interrupt coalescing (AIC) info */ - bool enable_aic; - u16 min_eqd; /* in usecs */ - u16 max_eqd; /* in usecs */ - u16 cur_eqd; /* in usecs */ - - struct napi_struct napi; -}; - -struct be_tx_obj { - 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 to remember the pages posted for rx frags */ -struct be_rx_page_info { - struct page *page; - dma_addr_t bus; - u16 page_offset; - bool last_page_user; -}; - -struct be_rx_obj { - struct be_queue_info q; - struct be_queue_info cq; - struct be_rx_page_info page_info_tbl[RX_Q_LEN]; - struct net_lro_mgr lro_mgr; - struct net_lro_desc lro_desc[BE_MAX_LRO_DESCRIPTORS]; -}; - -#define BE_NUM_MSIX_VECTORS 2 /* 1 each for Tx and Rx */ -struct be_adapter { - struct pci_dev *pdev; - struct net_device *netdev; - - /* Mbox, pci config, csr address information */ - struct be_ctrl_info ctrl; - - struct msix_entry msix_entries[BE_NUM_MSIX_VECTORS]; - bool msix_enabled; - bool isr_registered; - - /* TX Rings */ - struct be_eq_obj tx_eq; - struct be_tx_obj tx_obj; - - u32 cache_line_break[8]; - - /* Rx rings */ - struct be_eq_obj rx_eq; - struct be_rx_obj rx_obj; - u32 big_page_size; /* Compounded page size shared by rx wrbs */ - bool rx_post_starved; /* Zero rx frags have been posted to BE */ - - struct vlan_group *vlan_grp; - u16 num_vlans; - u8 vlan_tag[VLAN_GROUP_ARRAY_LEN]; - - struct be_stats_obj stats; - /* Work queue used to perform periodic tasks like getting statistics */ - struct delayed_work work; - - /* Ethtool knobs and info */ - bool rx_csum; /* BE card must perform rx-checksumming */ - u32 max_rx_coal; - char fw_ver[FW_VER_LEN]; - u32 if_handle; /* Used to configure filtering */ - u32 pmac_id; /* MAC addr handle used by BE card */ - - struct be_link_info link; - u32 port_num; -}; - -extern struct ethtool_ops be_ethtool_ops; - -#define drvr_stats(adapter) (&adapter->stats.drvr_stats) - -#define BE_SET_NETDEV_OPS(netdev, ops) (netdev->netdev_ops = ops) - -static inline u32 MODULO(u16 val, u16 limit) -{ - BUG_ON(limit & (limit - 1)); - return val & (limit - 1); -} - -static inline void index_adv(u16 *index, u16 val, u16 limit) -{ - *index = MODULO((*index + val), limit); -} - -static inline void index_inc(u16 *index, u16 limit) -{ - *index = MODULO((*index + 1), limit); -} - -#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)) - -/* Byte offset into the page corresponding to given address */ -#define OFFSET_IN_PAGE(addr) \ - ((size_t)(addr) & (PAGE_SIZE_4K-1)) - -/* 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 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 */ -} - -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; -} - -#endif /* BE_H */ |