mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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5c36b99add
Handling of firmware event has been reworked into a seperate code file. The change is needed as firmware event can be received in interrupt context. Decoupling of the event handling has been lowered to allow event processing to sleep. Reviewed-by: Hante Meuleman <meuleman@broadcom.com> Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com> Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: Franky Lin <frankyl@broadcom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
124 lines
4.3 KiB
C
124 lines
4.3 KiB
C
/*
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* Copyright (c) 2010 Broadcom Corporation
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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* SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
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* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
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* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifndef _BRCMF_BUS_H_
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#define _BRCMF_BUS_H_
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/* The level of bus communication with the dongle */
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enum brcmf_bus_state {
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BRCMF_BUS_DOWN, /* Not ready for frame transfers */
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BRCMF_BUS_LOAD, /* Download access only (CPU reset) */
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BRCMF_BUS_DATA /* Ready for frame transfers */
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};
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struct dngl_stats {
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unsigned long rx_packets; /* total packets received */
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unsigned long tx_packets; /* total packets transmitted */
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unsigned long rx_bytes; /* total bytes received */
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unsigned long tx_bytes; /* total bytes transmitted */
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unsigned long rx_errors; /* bad packets received */
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unsigned long tx_errors; /* packet transmit problems */
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unsigned long rx_dropped; /* packets dropped by dongle */
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unsigned long tx_dropped; /* packets dropped by dongle */
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unsigned long multicast; /* multicast packets received */
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};
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struct brcmf_bus_dcmd {
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char *name;
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char *param;
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int param_len;
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struct list_head list;
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};
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/* interface structure between common and bus layer */
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struct brcmf_bus {
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u8 type; /* bus type */
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union {
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struct brcmf_sdio_dev *sdio;
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struct brcmf_usbdev *usb;
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} bus_priv;
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struct brcmf_pub *drvr; /* pointer to driver pub structure brcmf_pub */
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enum brcmf_bus_state state;
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uint maxctl; /* Max size rxctl request from proto to bus */
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bool drvr_up; /* Status flag of driver up/down */
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unsigned long tx_realloc; /* Tx packets realloced for headroom */
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struct dngl_stats dstats; /* Stats for dongle-based data */
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u8 align; /* bus alignment requirement */
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struct list_head dcmd_list;
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/* interface functions pointers */
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/* Stop bus module: clear pending frames, disable data flow */
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void (*brcmf_bus_stop)(struct device *);
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/* Initialize bus module: prepare for communication w/dongle */
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int (*brcmf_bus_init)(struct device *);
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/* Send a data frame to the dongle. Callee disposes of txp. */
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int (*brcmf_bus_txdata)(struct device *, struct sk_buff *);
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/* Send/receive a control message to/from the dongle.
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* Expects caller to enforce a single outstanding transaction.
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*/
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int (*brcmf_bus_txctl)(struct device *, unsigned char *, uint);
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int (*brcmf_bus_rxctl)(struct device *, unsigned char *, uint);
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};
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/*
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* interface functions from common layer
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*/
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/* Remove any protocol-specific data header. */
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extern int brcmf_proto_hdrpull(struct device *dev, int *ifidx,
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struct sk_buff *rxp);
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extern bool brcmf_c_prec_enq(struct device *dev, struct pktq *q,
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struct sk_buff *pkt, int prec);
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/* Receive frame for delivery to OS. Callee disposes of rxp. */
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extern void brcmf_rx_frame(struct device *dev, u8 ifidx,
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struct sk_buff_head *rxlist);
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static inline void brcmf_rx_packet(struct device *dev, int ifidx,
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struct sk_buff *pkt)
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{
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struct sk_buff_head q;
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skb_queue_head_init(&q);
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skb_queue_tail(&q, pkt);
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brcmf_rx_frame(dev, ifidx, &q);
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}
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/* Indication from bus module regarding presence/insertion of dongle. */
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extern int brcmf_attach(uint bus_hdrlen, struct device *dev);
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/* Indication from bus module regarding removal/absence of dongle */
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extern void brcmf_detach(struct device *dev);
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/* Indication from bus module to change flow-control state */
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extern void brcmf_txflowblock(struct device *dev, bool state);
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/* Notify tx completion */
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extern void brcmf_txcomplete(struct device *dev, struct sk_buff *txp,
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bool success);
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extern int brcmf_bus_start(struct device *dev);
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#ifdef CONFIG_BRCMFMAC_SDIO
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extern void brcmf_sdio_exit(void);
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extern void brcmf_sdio_init(void);
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#endif
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#ifdef CONFIG_BRCMFMAC_USB
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extern void brcmf_usb_exit(void);
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extern void brcmf_usb_init(void);
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#endif
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#endif /* _BRCMF_BUS_H_ */
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