diff options
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt76.h | 1 | ||||
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt76x02_usb_core.c | 25 | ||||
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/usb.c | 29 |
3 files changed, 32 insertions, 23 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt76.h b/drivers/net/wireless/mediatek/mt76/mt76.h index 4968b596f3df..d906e0f0bf2e 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76.h +++ b/drivers/net/wireless/mediatek/mt76/mt76.h @@ -881,6 +881,7 @@ mt76u_bulk_msg(struct mt76_dev *dev, void *data, int len, int *actual_len, return usb_bulk_msg(udev, pipe, data, len, actual_len, timeout); } +int mt76u_skb_dma_info(struct sk_buff *skb, u32 info); int mt76u_vendor_request(struct mt76_dev *dev, u8 req, u8 req_type, u16 val, u16 offset, void *buf, size_t len); diff --git a/drivers/net/wireless/mediatek/mt76/mt76x02_usb_core.c b/drivers/net/wireless/mediatek/mt76/mt76x02_usb_core.c index bf3198ec193b..0180b6200b17 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x02_usb_core.c +++ b/drivers/net/wireless/mediatek/mt76/mt76x02_usb_core.c @@ -46,8 +46,7 @@ EXPORT_SYMBOL_GPL(mt76x02u_mac_start); int mt76x02u_skb_dma_info(struct sk_buff *skb, int port, u32 flags) { - struct sk_buff *iter, *last = skb; - u32 info, pad; + u32 info; /* Buffer layout: * | 4B | xfer len | pad | 4B | @@ -57,28 +56,8 @@ int mt76x02u_skb_dma_info(struct sk_buff *skb, int port, u32 flags) */ info = FIELD_PREP(MT_TXD_INFO_LEN, round_up(skb->len, 4)) | FIELD_PREP(MT_TXD_INFO_DPORT, port) | flags; - put_unaligned_le32(info, skb_push(skb, sizeof(info))); - /* Add zero pad of 4 - 7 bytes */ - pad = round_up(skb->len, 4) + 4 - skb->len; - - /* First packet of a A-MSDU burst keeps track of the whole burst - * length, need to update length of it and the last packet. - */ - skb_walk_frags(skb, iter) { - last = iter; - if (!iter->next) { - skb->data_len += pad; - skb->len += pad; - break; - } - } - - if (skb_pad(last, pad)) - return -ENOMEM; - __skb_put(last, pad); - - return 0; + return mt76u_skb_dma_info(skb, info); } int mt76x02u_tx_prepare_skb(struct mt76_dev *mdev, void *data, diff --git a/drivers/net/wireless/mediatek/mt76/usb.c b/drivers/net/wireless/mediatek/mt76/usb.c index 1f29cd905fdd..57d2590165e3 100644 --- a/drivers/net/wireless/mediatek/mt76/usb.c +++ b/drivers/net/wireless/mediatek/mt76/usb.c @@ -907,6 +907,35 @@ mt76u_tx_setup_buffers(struct mt76_dev *dev, struct sk_buff *skb, return urb->num_sgs; } +int mt76u_skb_dma_info(struct sk_buff *skb, u32 info) +{ + struct sk_buff *iter, *last = skb; + u32 pad; + + put_unaligned_le32(info, skb_push(skb, sizeof(info))); + /* Add zero pad of 4 - 7 bytes */ + pad = round_up(skb->len, 4) + 4 - skb->len; + + /* First packet of a A-MSDU burst keeps track of the whole burst + * length, need to update length of it and the last packet. + */ + skb_walk_frags(skb, iter) { + last = iter; + if (!iter->next) { + skb->data_len += pad; + skb->len += pad; + break; + } + } + + if (skb_pad(last, pad)) + return -ENOMEM; + __skb_put(last, pad); + + return 0; +} +EXPORT_SYMBOL_GPL(mt76u_skb_dma_info); + static int mt76u_tx_queue_skb(struct mt76_dev *dev, enum mt76_txq_id qid, struct sk_buff *skb, struct mt76_wcid *wcid, |