diff options
Diffstat (limited to 'drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.h')
| -rw-r--r-- | drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.h | 220 |
1 files changed, 220 insertions, 0 deletions
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.h b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.h new file mode 100644 index 0000000..6aecd8d --- /dev/null +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.h @@ -0,0 +1,220 @@ +/* + * Copyright (c) 2010 Broadcom Corporation + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY + * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN + * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/**************** + * Common types * + */ + +#ifndef BRCMFMAC_CORE_H +#define BRCMFMAC_CORE_H + +#include <net/cfg80211.h> +#include "fweh.h" + +#define TOE_TX_CSUM_OL 0x00000001 +#define TOE_RX_CSUM_OL 0x00000002 + +/* For supporting multiple interfaces */ +#define BRCMF_MAX_IFS 16 + +/* Small, medium and maximum buffer size for dcmd + */ +#define BRCMF_DCMD_SMLEN 256 +#define BRCMF_DCMD_MEDLEN 1536 +#define BRCMF_DCMD_MAXLEN 8192 + +/* IOCTL from host to device are limited in lenght. A device can only handle + * ethernet frame size. This limitation is to be applied by protocol layer. + */ +#define BRCMF_TX_IOCTL_MAX_MSG_SIZE (ETH_FRAME_LEN+ETH_FCS_LEN) + +#define BRCMF_AMPDU_RX_REORDER_MAXFLOWS 256 + +/* Length of firmware version string stored for + * ethtool driver info which uses 32 bytes as well. + */ +#define BRCMF_DRIVER_FIRMWARE_VERSION_LEN 32 + +#define NDOL_MAX_ENTRIES 8 + +/** + * struct brcmf_ampdu_rx_reorder - AMPDU receive reorder info + * + * @pktslots: dynamic allocated array for ordering AMPDU packets. + * @flow_id: AMPDU flow identifier. + * @cur_idx: last AMPDU index from firmware. + * @exp_idx: expected next AMPDU index. + * @max_idx: maximum amount of packets per AMPDU. + * @pend_pkts: number of packets currently in @pktslots. + */ +struct brcmf_ampdu_rx_reorder { + struct sk_buff **pktslots; + u8 flow_id; + u8 cur_idx; + u8 exp_idx; + u8 max_idx; + u8 pend_pkts; +}; + +/* Forward decls for struct brcmf_pub (see below) */ +struct brcmf_proto; /* device communication protocol info */ +struct brcmf_fws_info; /* firmware signalling info */ +struct brcmf_mp_device; /* module paramateres, device specific */ + +/* + * struct brcmf_rev_info + * + * The result field stores the error code of the + * revision info request from firmware. For the + * other fields see struct brcmf_rev_info_le in + * fwil_types.h + */ +struct brcmf_rev_info { + int result; + u32 vendorid; + u32 deviceid; + u32 radiorev; + u32 chiprev; + u32 corerev; + u32 boardid; + u32 boardvendor; + u32 boardrev; + u32 driverrev; + u32 ucoderev; + u32 bus; + u32 chipnum; + u32 phytype; + u32 phyrev; + u32 anarev; + u32 chippkg; + u32 nvramrev; +}; + +/* Common structure for module and instance linkage */ +struct brcmf_pub { + /* Linkage ponters */ + struct brcmf_bus *bus_if; + struct brcmf_proto *proto; + struct brcmf_cfg80211_info *config; + + /* Internal brcmf items */ + uint hdrlen; /* Total BRCMF header length (proto + bus) */ + + /* Dongle media info */ + char fwver[BRCMF_DRIVER_FIRMWARE_VERSION_LEN]; + u8 mac[ETH_ALEN]; /* MAC address obtained from dongle */ + + struct mac_address addresses[BRCMF_MAX_IFS]; + + struct brcmf_if *iflist[BRCMF_MAX_IFS]; + s32 if2bss[BRCMF_MAX_IFS]; + + struct mutex proto_block; + unsigned char proto_buf[BRCMF_DCMD_MAXLEN]; + + struct brcmf_fweh_info fweh; + + struct brcmf_fws_info *fws; + + struct brcmf_ampdu_rx_reorder + *reorder_flows[BRCMF_AMPDU_RX_REORDER_MAXFLOWS]; + + u32 feat_flags; + u32 chip_quirks; + + struct brcmf_rev_info revinfo; +#ifdef DEBUG + struct dentry *dbgfs_dir; +#endif + + struct notifier_block inetaddr_notifier; + struct notifier_block inet6addr_notifier; + struct brcmf_mp_device *settings; +}; + +/* forward declarations */ +struct brcmf_cfg80211_vif; +struct brcmf_fws_mac_descriptor; + +/** + * enum brcmf_netif_stop_reason - reason for stopping netif queue. + * + * @BRCMF_NETIF_STOP_REASON_FWS_FC: + * netif stopped due to firmware signalling flow control. + * @BRCMF_NETIF_STOP_REASON_FLOW: + * netif stopped due to flowring full. + * @BRCMF_NETIF_STOP_REASON_DISCONNECTED: + * netif stopped due to not being connected (STA mode). + */ +enum brcmf_netif_stop_reason { + BRCMF_NETIF_STOP_REASON_FWS_FC = BIT(0), + BRCMF_NETIF_STOP_REASON_FLOW = BIT(1), + BRCMF_NETIF_STOP_REASON_DISCONNECTED = BIT(2) +}; + +/** + * struct brcmf_if - interface control information. + * + * @drvr: points to device related information. + * @vif: points to cfg80211 specific interface information. + * @ndev: associated network device. + * @multicast_work: worker object for multicast provisioning. + * @ndoffload_work: worker object for neighbor discovery offload configuration. + * @fws_desc: interface specific firmware-signalling descriptor. + * @ifidx: interface index in device firmware. + * @bsscfgidx: index of bss associated with this interface. + * @mac_addr: assigned mac address. + * @netif_stop: bitmap indicates reason why netif queues are stopped. + * @netif_stop_lock: spinlock for update netif_stop from multiple sources. + * @pend_8021x_cnt: tracks outstanding number of 802.1x frames. + * @pend_8021x_wait: used for signalling change in count. + */ +struct brcmf_if { + struct brcmf_pub *drvr; + struct brcmf_cfg80211_vif *vif; + struct net_device *ndev; + struct work_struct multicast_work; + struct work_struct ndoffload_work; + struct brcmf_fws_mac_descriptor *fws_desc; + int ifidx; + s32 bsscfgidx; + u8 mac_addr[ETH_ALEN]; + u8 netif_stop; + spinlock_t netif_stop_lock; + atomic_t pend_8021x_cnt; + wait_queue_head_t pend_8021x_wait; + struct in6_addr ipv6_addr_tbl[NDOL_MAX_ENTRIES]; + u8 ipv6addr_idx; +}; + +int brcmf_netdev_wait_pend8021x(struct brcmf_if *ifp); + +/* Return pointer to interface name */ +char *brcmf_ifname(struct brcmf_if *ifp); +struct brcmf_if *brcmf_get_ifp(struct brcmf_pub *drvr, int ifidx); +int brcmf_net_attach(struct brcmf_if *ifp, bool rtnl_locked); +struct brcmf_if *brcmf_add_if(struct brcmf_pub *drvr, s32 bsscfgidx, s32 ifidx, + bool is_p2pdev, const char *name, u8 *mac_addr); +void brcmf_remove_interface(struct brcmf_if *ifp, bool rtnl_locked); +void brcmf_txflowblock_if(struct brcmf_if *ifp, + enum brcmf_netif_stop_reason reason, bool state); +void brcmf_txfinalize(struct brcmf_if *ifp, struct sk_buff *txp, bool success); +void brcmf_netif_rx(struct brcmf_if *ifp, struct sk_buff *skb); +void brcmf_net_setcarrier(struct brcmf_if *ifp, bool on); +int __init brcmf_core_init(void); +void __exit brcmf_core_exit(void); + +#endif /* BRCMFMAC_CORE_H */ |