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1// SPDX-License-Identifier: ISC2/*3 * Copyright (c) 2010 Broadcom Corporation4 */5 6/****************7 * Common types *8 */9 10#ifndef BRCMFMAC_CORE_H11#define BRCMFMAC_CORE_H12 13#include <net/cfg80211.h>14#include "fweh.h"15 16#if IS_MODULE(CONFIG_BRCMFMAC)17#define BRCMF_EXPORT_SYMBOL_GPL(__sym) EXPORT_SYMBOL_NS_GPL(__sym, BRCMFMAC)18#else19#define BRCMF_EXPORT_SYMBOL_GPL(__sym)20#endif21 22#define TOE_TX_CSUM_OL 0x0000000123#define TOE_RX_CSUM_OL 0x0000000224 25/* For supporting multiple interfaces */26#define BRCMF_MAX_IFS 1627 28/* Small, medium and maximum buffer size for dcmd29 */30#define BRCMF_DCMD_SMLEN 25631#define BRCMF_DCMD_MEDLEN 153632#define BRCMF_DCMD_MAXLEN 819233 34/* IOCTL from host to device are limited in length. A device can only handle35 * ethernet frame size. This limitation is to be applied by protocol layer.36 */37#define BRCMF_TX_IOCTL_MAX_MSG_SIZE (ETH_FRAME_LEN+ETH_FCS_LEN)38 39#define BRCMF_AMPDU_RX_REORDER_MAXFLOWS 25640 41/* Length of firmware version string stored for42 * ethtool driver info which uses 32 bytes as well.43 */44#define BRCMF_DRIVER_FIRMWARE_VERSION_LEN 3245 46#define NDOL_MAX_ENTRIES 847 48/**49 * struct brcmf_ampdu_rx_reorder - AMPDU receive reorder info50 *51 * @flow_id: AMPDU flow identifier.52 * @cur_idx: last AMPDU index from firmware.53 * @exp_idx: expected next AMPDU index.54 * @max_idx: maximum amount of packets per AMPDU.55 * @pend_pkts: number of packets currently in @pktslots.56 * @pktslots: array for ordering AMPDU packets.57 */58struct brcmf_ampdu_rx_reorder {59 u8 flow_id;60 u8 cur_idx;61 u8 exp_idx;62 u8 max_idx;63 u8 pend_pkts;64 struct sk_buff *pktslots[];65};66 67/* Forward decls for struct brcmf_pub (see below) */68struct brcmf_proto; /* device communication protocol info */69struct brcmf_fws_info; /* firmware signalling info */70struct brcmf_mp_device; /* module paramateres, device specific */71 72/*73 * struct brcmf_rev_info74 *75 * The result field stores the error code of the76 * revision info request from firmware. For the77 * other fields see struct brcmf_rev_info_le in78 * fwil_types.h79 */80struct brcmf_rev_info {81 int result;82 u32 vendorid;83 u32 deviceid;84 u32 radiorev;85 u32 corerev;86 u32 boardid;87 u32 boardvendor;88 u32 boardrev;89 u32 driverrev;90 u32 ucoderev;91 u32 bus;92 char chipname[12];93 u32 phytype;94 u32 phyrev;95 u32 anarev;96 u32 chippkg;97 u32 nvramrev;98};99 100/* Common structure for module and instance linkage */101struct brcmf_pub {102 /* Linkage ponters */103 struct brcmf_bus *bus_if;104 struct brcmf_proto *proto;105 struct wiphy *wiphy;106 struct cfg80211_ops *ops;107 struct brcmf_cfg80211_info *config;108 109 /* Internal brcmf items */110 uint hdrlen; /* Total BRCMF header length (proto + bus) */111 112 /* Dongle media info */113 char fwver[BRCMF_DRIVER_FIRMWARE_VERSION_LEN];114 u8 mac[ETH_ALEN]; /* MAC address obtained from dongle */115 116 struct mac_address addresses[BRCMF_MAX_IFS];117 118 struct brcmf_if *iflist[BRCMF_MAX_IFS];119 s32 if2bss[BRCMF_MAX_IFS];120 struct brcmf_if *mon_if;121 122 struct mutex proto_block;123 unsigned char proto_buf[BRCMF_DCMD_MAXLEN];124 125 struct brcmf_fweh_info *fweh;126 127 struct brcmf_ampdu_rx_reorder128 *reorder_flows[BRCMF_AMPDU_RX_REORDER_MAXFLOWS];129 130 u32 feat_flags;131 u32 chip_quirks;132 133 struct brcmf_rev_info revinfo;134#ifdef DEBUG135 struct dentry *dbgfs_dir;136#endif137 138 struct notifier_block inetaddr_notifier;139 struct notifier_block inet6addr_notifier;140 struct brcmf_mp_device *settings;141 142 struct work_struct bus_reset;143 144 u8 clmver[BRCMF_DCMD_SMLEN];145 u8 sta_mac_idx;146 const struct brcmf_fwvid_ops *vops;147 void *vdata;148};149 150/* forward declarations */151struct brcmf_cfg80211_vif;152struct brcmf_fws_mac_descriptor;153 154/**155 * enum brcmf_netif_stop_reason - reason for stopping netif queue.156 *157 * @BRCMF_NETIF_STOP_REASON_FWS_FC:158 * netif stopped due to firmware signalling flow control.159 * @BRCMF_NETIF_STOP_REASON_FLOW:160 * netif stopped due to flowring full.161 * @BRCMF_NETIF_STOP_REASON_DISCONNECTED:162 * netif stopped due to not being connected (STA mode).163 */164enum brcmf_netif_stop_reason {165 BRCMF_NETIF_STOP_REASON_FWS_FC = BIT(0),166 BRCMF_NETIF_STOP_REASON_FLOW = BIT(1),167 BRCMF_NETIF_STOP_REASON_DISCONNECTED = BIT(2)168};169 170/**171 * struct brcmf_if - interface control information.172 *173 * @drvr: points to device related information.174 * @vif: points to cfg80211 specific interface information.175 * @ndev: associated network device.176 * @multicast_work: worker object for multicast provisioning.177 * @ndoffload_work: worker object for neighbor discovery offload configuration.178 * @fws_desc: interface specific firmware-signalling descriptor.179 * @ifidx: interface index in device firmware.180 * @bsscfgidx: index of bss associated with this interface.181 * @mac_addr: assigned mac address.182 * @netif_stop: bitmap indicates reason why netif queues are stopped.183 * @netif_stop_lock: spinlock for update netif_stop from multiple sources.184 * @pend_8021x_cnt: tracks outstanding number of 802.1x frames.185 * @pend_8021x_wait: used for signalling change in count.186 * @fwil_fwerr: flag indicating fwil layer should return firmware error codes.187 */188struct brcmf_if {189 struct brcmf_pub *drvr;190 struct brcmf_cfg80211_vif *vif;191 struct net_device *ndev;192 struct work_struct multicast_work;193 struct work_struct ndoffload_work;194 struct brcmf_fws_mac_descriptor *fws_desc;195 int ifidx;196 s32 bsscfgidx;197 u8 mac_addr[ETH_ALEN];198 u8 netif_stop;199 spinlock_t netif_stop_lock;200 atomic_t pend_8021x_cnt;201 wait_queue_head_t pend_8021x_wait;202 struct in6_addr ipv6_addr_tbl[NDOL_MAX_ENTRIES];203 u8 ipv6addr_idx;204 bool fwil_fwerr;205};206 207int brcmf_netdev_wait_pend8021x(struct brcmf_if *ifp);208 209/* Return pointer to interface name */210char *brcmf_ifname(struct brcmf_if *ifp);211struct brcmf_if *brcmf_get_ifp(struct brcmf_pub *drvr, int ifidx);212void brcmf_configure_arp_nd_offload(struct brcmf_if *ifp, bool enable);213int brcmf_net_attach(struct brcmf_if *ifp, bool locked);214struct brcmf_if *brcmf_add_if(struct brcmf_pub *drvr, s32 bsscfgidx, s32 ifidx,215 bool is_p2pdev, const char *name, u8 *mac_addr);216void brcmf_remove_interface(struct brcmf_if *ifp, bool locked);217void brcmf_txflowblock_if(struct brcmf_if *ifp,218 enum brcmf_netif_stop_reason reason, bool state);219void brcmf_txfinalize(struct brcmf_if *ifp, struct sk_buff *txp, bool success);220void brcmf_netif_rx(struct brcmf_if *ifp, struct sk_buff *skb);221void brcmf_netif_mon_rx(struct brcmf_if *ifp, struct sk_buff *skb);222void brcmf_net_detach(struct net_device *ndev, bool locked);223int brcmf_net_mon_attach(struct brcmf_if *ifp);224void brcmf_net_setcarrier(struct brcmf_if *ifp, bool on);225int __init brcmf_core_init(void);226void __exit brcmf_core_exit(void);227 228#endif /* BRCMFMAC_CORE_H */229