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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
commit | ace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch) | |
tree | b2d64bc10158fdd5497876388cd68142ca374ed3 /drivers/net/wireless/broadcom/brcm80211/brcmfmac/commonring.h | |
parent | Initial commit. (diff) | |
download | linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip |
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/net/wireless/broadcom/brcm80211/brcmfmac/commonring.h')
-rw-r--r-- | drivers/net/wireless/broadcom/brcm80211/brcmfmac/commonring.h | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/commonring.h b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/commonring.h new file mode 100644 index 0000000000..7fb11f4823 --- /dev/null +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/commonring.h @@ -0,0 +1,62 @@ +// SPDX-License-Identifier: ISC +/* + * Copyright (c) 2014 Broadcom Corporation + */ +#ifndef BRCMFMAC_COMMONRING_H +#define BRCMFMAC_COMMONRING_H + + +struct brcmf_commonring { + u16 r_ptr; + u16 w_ptr; + u16 f_ptr; + u16 depth; + u16 item_len; + + void *buf_addr; + + int (*cr_ring_bell)(void *ctx); + int (*cr_update_rptr)(void *ctx); + int (*cr_update_wptr)(void *ctx); + int (*cr_write_rptr)(void *ctx); + int (*cr_write_wptr)(void *ctx); + + void *cr_ctx; + + spinlock_t lock; + unsigned long flags; + bool inited; + bool was_full; + + atomic_t outstanding_tx; +}; + + +void brcmf_commonring_register_cb(struct brcmf_commonring *commonring, + int (*cr_ring_bell)(void *ctx), + int (*cr_update_rptr)(void *ctx), + int (*cr_update_wptr)(void *ctx), + int (*cr_write_rptr)(void *ctx), + int (*cr_write_wptr)(void *ctx), void *ctx); +void brcmf_commonring_config(struct brcmf_commonring *commonring, u16 depth, + u16 item_len, void *buf_addr); +void brcmf_commonring_lock(struct brcmf_commonring *commonring); +void brcmf_commonring_unlock(struct brcmf_commonring *commonring); +bool brcmf_commonring_write_available(struct brcmf_commonring *commonring); +void *brcmf_commonring_reserve_for_write(struct brcmf_commonring *commonring); +void * +brcmf_commonring_reserve_for_write_multiple(struct brcmf_commonring *commonring, + u16 n_items, u16 *alloced); +int brcmf_commonring_write_complete(struct brcmf_commonring *commonring); +void brcmf_commonring_write_cancel(struct brcmf_commonring *commonring, + u16 n_items); +void *brcmf_commonring_get_read_ptr(struct brcmf_commonring *commonring, + u16 *n_items); +int brcmf_commonring_read_complete(struct brcmf_commonring *commonring, + u16 n_items); + +#define brcmf_commonring_n_items(commonring) (commonring->depth) +#define brcmf_commonring_len_item(commonring) (commonring->item_len) + + +#endif /* BRCMFMAC_COMMONRING_H */ |