5ef1e60419
On every tx the flow worker is triggered. When running high throughput data this causes an excessive amount of times the worker gets activated. This patch starts scheduling the worker more relaxed once outstanding tx has reached a certain depth. Reviewed-by: Arend Van Spriel <arend@broadcom.com> Reviewed-by: Franky (Zhenhui) Lin <frankyl@broadcom.com> Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com> Signed-off-by: Hante Meuleman <meuleman@broadcom.com> Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
72 lines
2.5 KiB
C
72 lines
2.5 KiB
C
/* Copyright (c) 2014 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 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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#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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