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62 lines
1.8 KiB
62 lines
1.8 KiB
// SPDX-License-Identifier: ISC |
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/* |
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* Copyright (c) 2014 Broadcom Corporation |
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*/ |
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#ifndef BRCMFMAC_COMMONRING_H |
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#define BRCMFMAC_COMMONRING_H |
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struct brcmf_commonring { |
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u16 r_ptr; |
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u16 w_ptr; |
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u16 f_ptr; |
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u16 depth; |
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u16 item_len; |
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void *buf_addr; |
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int (*cr_ring_bell)(void *ctx); |
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int (*cr_update_rptr)(void *ctx); |
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int (*cr_update_wptr)(void *ctx); |
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int (*cr_write_rptr)(void *ctx); |
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int (*cr_write_wptr)(void *ctx); |
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void *cr_ctx; |
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spinlock_t lock; |
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unsigned long flags; |
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bool inited; |
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bool was_full; |
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atomic_t outstanding_tx; |
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}; |
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void brcmf_commonring_register_cb(struct brcmf_commonring *commonring, |
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int (*cr_ring_bell)(void *ctx), |
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int (*cr_update_rptr)(void *ctx), |
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int (*cr_update_wptr)(void *ctx), |
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int (*cr_write_rptr)(void *ctx), |
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int (*cr_write_wptr)(void *ctx), void *ctx); |
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void brcmf_commonring_config(struct brcmf_commonring *commonring, u16 depth, |
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u16 item_len, void *buf_addr); |
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void brcmf_commonring_lock(struct brcmf_commonring *commonring); |
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void brcmf_commonring_unlock(struct brcmf_commonring *commonring); |
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bool brcmf_commonring_write_available(struct brcmf_commonring *commonring); |
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void *brcmf_commonring_reserve_for_write(struct brcmf_commonring *commonring); |
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void * |
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brcmf_commonring_reserve_for_write_multiple(struct brcmf_commonring *commonring, |
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u16 n_items, u16 *alloced); |
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int brcmf_commonring_write_complete(struct brcmf_commonring *commonring); |
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void brcmf_commonring_write_cancel(struct brcmf_commonring *commonring, |
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u16 n_items); |
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void *brcmf_commonring_get_read_ptr(struct brcmf_commonring *commonring, |
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u16 *n_items); |
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int brcmf_commonring_read_complete(struct brcmf_commonring *commonring, |
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u16 n_items); |
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#define brcmf_commonring_n_items(commonring) (commonring->depth) |
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#define brcmf_commonring_len_item(commonring) (commonring->item_len) |
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#endif /* BRCMFMAC_COMMONRING_H */
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