mirror of
https://github.com/outbackdingo/mt76.git
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Lorenzo BianconiandFelix Fietkau
6c5ac15d5d
Move mt76x2u_tx_status_data routine in mt76x02-lib module and rename it in mt76x02_tx_status_data in order to be reused in mt76x0 driver Signed-off-by: Lorenzo Bianconi <[email protected]> Signed-off-by: Stanislaw Gruszka <[email protected]>
53 lines
1.7 KiB
C
53 lines
1.7 KiB
C
/*
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* Copyright (C) 2018 Lorenzo Bianconi <[email protected]>
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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
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* ANY 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
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include "mt76x2u.h"
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#include "dma.h"
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#include "mt76x02_util.h"
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static int
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mt76x2u_check_skb_rooms(struct sk_buff *skb)
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{
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int hdr_len = ieee80211_get_hdrlen_from_skb(skb);
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u32 need_head;
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need_head = sizeof(struct mt76x02_txwi) + MT_DMA_HDR_LEN;
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if (hdr_len % 4)
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need_head += 2;
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return skb_cow(skb, need_head);
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}
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int mt76x2u_tx_prepare_skb(struct mt76_dev *mdev, void *data,
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struct sk_buff *skb, struct mt76_queue *q,
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struct mt76_wcid *wcid, struct ieee80211_sta *sta,
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u32 *tx_info)
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{
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struct mt76x2_dev *dev = container_of(mdev, struct mt76x2_dev, mt76);
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struct mt76x02_txwi *txwi;
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int err, len = skb->len;
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err = mt76x2u_check_skb_rooms(skb);
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if (err < 0)
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return -ENOMEM;
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mt76x02_insert_hdr_pad(skb);
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txwi = skb_push(skb, sizeof(struct mt76x02_txwi));
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mt76x2_mac_write_txwi(dev, txwi, skb, wcid, sta, len);
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return mt76x02_set_txinfo(skb, wcid, q2ep(q->hw_idx));
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}
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