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path: root/drivers/net/wireless/mwifiex/11n_aggr.c
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Diffstat (limited to 'drivers/net/wireless/mwifiex/11n_aggr.c')
-rw-r--r--drivers/net/wireless/mwifiex/11n_aggr.c19
1 files changed, 7 insertions, 12 deletions
diff --git a/drivers/net/wireless/mwifiex/11n_aggr.c b/drivers/net/wireless/mwifiex/11n_aggr.c
index aa498e0d2204..49f3e17c28ea 100644
--- a/drivers/net/wireless/mwifiex/11n_aggr.c
+++ b/drivers/net/wireless/mwifiex/11n_aggr.c
@@ -101,13 +101,6 @@ mwifiex_11n_form_amsdu_txpd(struct mwifiex_private *priv,
{
struct txpd *local_tx_pd;
struct mwifiex_txinfo *tx_info = MWIFIEX_SKB_TXCB(skb);
- unsigned int pad;
- int headroom = (priv->adapter->iface_type ==
- MWIFIEX_USB) ? 0 : INTF_HEADER_LEN;
-
- pad = ((void *)skb->data - sizeof(*local_tx_pd) -
- headroom - NULL) & (MWIFIEX_DMA_ALIGN_SZ - 1);
- skb_push(skb, pad);
skb_push(skb, sizeof(*local_tx_pd));
@@ -121,12 +114,10 @@ mwifiex_11n_form_amsdu_txpd(struct mwifiex_private *priv,
local_tx_pd->bss_num = priv->bss_num;
local_tx_pd->bss_type = priv->bss_type;
/* Always zero as the data is followed by struct txpd */
- local_tx_pd->tx_pkt_offset = cpu_to_le16(sizeof(struct txpd) +
- pad);
+ local_tx_pd->tx_pkt_offset = cpu_to_le16(sizeof(struct txpd));
local_tx_pd->tx_pkt_type = cpu_to_le16(PKT_TYPE_AMSDU);
local_tx_pd->tx_pkt_length = cpu_to_le16(skb->len -
- sizeof(*local_tx_pd) -
- pad);
+ sizeof(*local_tx_pd));
if (tx_info->flags & MWIFIEX_BUF_FLAG_TDLS_PKT)
local_tx_pd->flags |= MWIFIEX_TXPD_FLAGS_TDLS_PACKET;
@@ -190,7 +181,11 @@ mwifiex_11n_aggregate_pkt(struct mwifiex_private *priv,
ra_list_flags);
return -1;
}
- skb_reserve(skb_aggr, MWIFIEX_MIN_DATA_HEADER_LEN);
+
+ /* skb_aggr->data already 64 byte align, just reserve bus interface
+ * header and txpd.
+ */
+ skb_reserve(skb_aggr, headroom + sizeof(struct txpd));
tx_info_aggr = MWIFIEX_SKB_TXCB(skb_aggr);
memset(tx_info_aggr, 0, sizeof(*tx_info_aggr));