// SPDX-License-Identifier: ISC
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/*
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* Copyright (c) 2010 Broadcom Corporation
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*/
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/****************
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* Common types *
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*/
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#ifndef BRCMFMAC_CORE_H
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#define BRCMFMAC_CORE_H
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#include <net/cfg80211.h>
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#include "fweh.h"
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#define TOE_TX_CSUM_OL 0x00000001
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#define TOE_RX_CSUM_OL 0x00000002
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/* For supporting multiple interfaces */
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#define BRCMF_MAX_IFS 16
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/* Small, medium and maximum buffer size for dcmd
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*/
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#define BRCMF_DCMD_SMLEN 256
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#define BRCMF_DCMD_MEDLEN 1536
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#define BRCMF_DCMD_MAXLEN 8192
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/* IOCTL from host to device are limited in length. A device can only handle
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* ethernet frame size. This limitation is to be applied by protocol layer.
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*/
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#define BRCMF_TX_IOCTL_MAX_MSG_SIZE (ETH_FRAME_LEN+ETH_FCS_LEN)
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#define BRCMF_AMPDU_RX_REORDER_MAXFLOWS 256
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/* Length of firmware version string stored for
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* ethtool driver info which uses 32 bytes as well.
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*/
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#define BRCMF_DRIVER_FIRMWARE_VERSION_LEN 32
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#define NDOL_MAX_ENTRIES 8
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/**
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* struct brcmf_ampdu_rx_reorder - AMPDU receive reorder info
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*
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* @pktslots: dynamic allocated array for ordering AMPDU packets.
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* @flow_id: AMPDU flow identifier.
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* @cur_idx: last AMPDU index from firmware.
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* @exp_idx: expected next AMPDU index.
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* @max_idx: maximum amount of packets per AMPDU.
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* @pend_pkts: number of packets currently in @pktslots.
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*/
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struct brcmf_ampdu_rx_reorder {
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struct sk_buff **pktslots;
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u8 flow_id;
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u8 cur_idx;
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u8 exp_idx;
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u8 max_idx;
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u8 pend_pkts;
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};
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/* Forward decls for struct brcmf_pub (see below) */
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struct brcmf_proto; /* device communication protocol info */
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struct brcmf_fws_info; /* firmware signalling info */
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struct brcmf_mp_device; /* module paramateres, device specific */
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/*
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* struct brcmf_rev_info
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*
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* The result field stores the error code of the
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* revision info request from firmware. For the
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* other fields see struct brcmf_rev_info_le in
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* fwil_types.h
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*/
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struct brcmf_rev_info {
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int result;
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u32 vendorid;
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u32 deviceid;
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u32 radiorev;
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u32 corerev;
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u32 boardid;
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u32 boardvendor;
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u32 boardrev;
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u32 driverrev;
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u32 ucoderev;
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u32 bus;
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char chipname[12];
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u32 phytype;
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u32 phyrev;
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u32 anarev;
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u32 chippkg;
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u32 nvramrev;
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};
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/* Common structure for module and instance linkage */
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struct brcmf_pub {
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/* Linkage ponters */
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struct brcmf_bus *bus_if;
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struct brcmf_proto *proto;
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struct wiphy *wiphy;
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struct cfg80211_ops *ops;
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struct brcmf_cfg80211_info *config;
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/* Internal brcmf items */
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uint hdrlen; /* Total BRCMF header length (proto + bus) */
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/* Dongle media info */
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char fwver[BRCMF_DRIVER_FIRMWARE_VERSION_LEN];
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u8 mac[ETH_ALEN]; /* MAC address obtained from dongle */
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struct mac_address addresses[BRCMF_MAX_IFS];
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struct brcmf_if *iflist[BRCMF_MAX_IFS];
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s32 if2bss[BRCMF_MAX_IFS];
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struct brcmf_if *mon_if;
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struct mutex proto_block;
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unsigned char proto_buf[BRCMF_DCMD_MAXLEN];
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struct brcmf_fweh_info fweh;
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struct brcmf_ampdu_rx_reorder
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*reorder_flows[BRCMF_AMPDU_RX_REORDER_MAXFLOWS];
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u32 feat_flags;
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u32 chip_quirks;
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struct brcmf_rev_info revinfo;
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#ifdef DEBUG
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struct dentry *dbgfs_dir;
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#endif
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struct notifier_block inetaddr_notifier;
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struct notifier_block inet6addr_notifier;
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struct brcmf_mp_device *settings;
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struct work_struct bus_reset;
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u8 clmver[BRCMF_DCMD_SMLEN];
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};
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/* forward declarations */
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struct brcmf_cfg80211_vif;
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struct brcmf_fws_mac_descriptor;
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/**
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* enum brcmf_netif_stop_reason - reason for stopping netif queue.
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*
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* @BRCMF_NETIF_STOP_REASON_FWS_FC:
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* netif stopped due to firmware signalling flow control.
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* @BRCMF_NETIF_STOP_REASON_FLOW:
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* netif stopped due to flowring full.
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* @BRCMF_NETIF_STOP_REASON_DISCONNECTED:
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* netif stopped due to not being connected (STA mode).
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*/
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enum brcmf_netif_stop_reason {
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BRCMF_NETIF_STOP_REASON_FWS_FC = BIT(0),
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BRCMF_NETIF_STOP_REASON_FLOW = BIT(1),
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BRCMF_NETIF_STOP_REASON_DISCONNECTED = BIT(2)
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};
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/**
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* struct brcmf_if - interface control information.
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*
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* @drvr: points to device related information.
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* @vif: points to cfg80211 specific interface information.
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* @ndev: associated network device.
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* @multicast_work: worker object for multicast provisioning.
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* @ndoffload_work: worker object for neighbor discovery offload configuration.
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* @fws_desc: interface specific firmware-signalling descriptor.
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* @ifidx: interface index in device firmware.
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* @bsscfgidx: index of bss associated with this interface.
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* @mac_addr: assigned mac address.
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* @netif_stop: bitmap indicates reason why netif queues are stopped.
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* @netif_stop_lock: spinlock for update netif_stop from multiple sources.
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* @pend_8021x_cnt: tracks outstanding number of 802.1x frames.
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* @pend_8021x_wait: used for signalling change in count.
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* @fwil_fwerr: flag indicating fwil layer should return firmware error codes.
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*/
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struct brcmf_if {
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struct brcmf_pub *drvr;
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struct brcmf_cfg80211_vif *vif;
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struct net_device *ndev;
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struct work_struct multicast_work;
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struct work_struct ndoffload_work;
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struct brcmf_fws_mac_descriptor *fws_desc;
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int ifidx;
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s32 bsscfgidx;
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u8 mac_addr[ETH_ALEN];
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u8 netif_stop;
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spinlock_t netif_stop_lock;
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atomic_t pend_8021x_cnt;
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wait_queue_head_t pend_8021x_wait;
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struct in6_addr ipv6_addr_tbl[NDOL_MAX_ENTRIES];
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u8 ipv6addr_idx;
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bool fwil_fwerr;
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};
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int brcmf_netdev_wait_pend8021x(struct brcmf_if *ifp);
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/* Return pointer to interface name */
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char *brcmf_ifname(struct brcmf_if *ifp);
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struct brcmf_if *brcmf_get_ifp(struct brcmf_pub *drvr, int ifidx);
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void brcmf_configure_arp_nd_offload(struct brcmf_if *ifp, bool enable);
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int brcmf_net_attach(struct brcmf_if *ifp, bool rtnl_locked);
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struct brcmf_if *brcmf_add_if(struct brcmf_pub *drvr, s32 bsscfgidx, s32 ifidx,
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bool is_p2pdev, const char *name, u8 *mac_addr);
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void brcmf_remove_interface(struct brcmf_if *ifp, bool rtnl_locked);
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void brcmf_txflowblock_if(struct brcmf_if *ifp,
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enum brcmf_netif_stop_reason reason, bool state);
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void brcmf_txfinalize(struct brcmf_if *ifp, struct sk_buff *txp, bool success);
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void brcmf_netif_rx(struct brcmf_if *ifp, struct sk_buff *skb, bool inirq);
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void brcmf_netif_mon_rx(struct brcmf_if *ifp, struct sk_buff *skb);
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void brcmf_net_detach(struct net_device *ndev, bool rtnl_locked);
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int brcmf_net_mon_attach(struct brcmf_if *ifp);
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void brcmf_net_setcarrier(struct brcmf_if *ifp, bool on);
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int __init brcmf_core_init(void);
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void __exit brcmf_core_exit(void);
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#endif /* BRCMFMAC_CORE_H */
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