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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.c136
1 files changed, 72 insertions, 64 deletions
diff --git a/drivers/net/wireless/mwifiex/11n_aggr.c b/drivers/net/wireless/mwifiex/11n_aggr.c
index f807447e4d9..fe0f66f7350 100644
--- a/drivers/net/wireless/mwifiex/11n_aggr.c
+++ b/drivers/net/wireless/mwifiex/11n_aggr.c
@@ -62,17 +62,16 @@ mwifiex_11n_form_amsdu_pkt(struct sk_buff *skb_aggr,
};
struct tx_packet_hdr *tx_header;
- skb_put(skb_aggr, sizeof(*tx_header));
-
- tx_header = (struct tx_packet_hdr *) skb_aggr->data;
+ tx_header = (void *)skb_put(skb_aggr, sizeof(*tx_header));
/* Copy DA and SA */
dt_offset = 2 * ETH_ALEN;
memcpy(&tx_header->eth803_hdr, skb_src->data, dt_offset);
/* Copy SNAP header */
- snap.snap_type = *(u16 *) ((u8 *)skb_src->data + dt_offset);
- dt_offset += sizeof(u16);
+ snap.snap_type = ((struct ethhdr *)skb_src->data)->h_proto;
+
+ dt_offset += sizeof(__be16);
memcpy(&tx_header->rfc1042_hdr, &snap, sizeof(struct rfc_1042_hdr));
@@ -82,12 +81,10 @@ mwifiex_11n_form_amsdu_pkt(struct sk_buff *skb_aggr,
tx_header->eth803_hdr.h_proto = htons(skb_src->len + LLC_SNAP_LEN);
/* Add payload */
- skb_put(skb_aggr, skb_src->len);
- memcpy(skb_aggr->data + sizeof(*tx_header), skb_src->data,
- skb_src->len);
- *pad = (((skb_src->len + LLC_SNAP_LEN) & 3)) ? (4 - (((skb_src->len +
- LLC_SNAP_LEN)) & 3)) : 0;
- skb_put(skb_aggr, *pad);
+ memcpy(skb_put(skb_aggr, skb_src->len), skb_src->data, skb_src->len);
+
+ /* Add padding for new MSDU to start from 4 byte boundary */
+ *pad = (4 - ((unsigned long)skb_aggr->tail & 0x3)) % 4;
return skb_aggr->len + *pad;
}
@@ -103,6 +100,7 @@ mwifiex_11n_form_amsdu_txpd(struct mwifiex_private *priv,
struct sk_buff *skb)
{
struct txpd *local_tx_pd;
+ struct mwifiex_txinfo *tx_info = MWIFIEX_SKB_TXCB(skb);
skb_push(skb, sizeof(*local_tx_pd));
@@ -119,14 +117,17 @@ mwifiex_11n_form_amsdu_txpd(struct mwifiex_private *priv,
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));
+ sizeof(*local_tx_pd));
+
+ if (tx_info->flags & MWIFIEX_BUF_FLAG_TDLS_PKT)
+ local_tx_pd->flags |= MWIFIEX_TXPD_FLAGS_TDLS_PACKET;
if (local_tx_pd->tx_control == 0)
/* TxCtrl set by user or default */
local_tx_pd->tx_control = cpu_to_le32(priv->pkt_tx_ctrl);
- if ((GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA) &&
- (priv->adapter->pps_uapsd_mode)) {
+ if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA &&
+ priv->adapter->pps_uapsd_mode) {
if (true == mwifiex_check_last_packet_indication(priv)) {
priv->adapter->tx_lock_flag = true;
local_tx_pd->flags =
@@ -153,7 +154,7 @@ mwifiex_11n_form_amsdu_txpd(struct mwifiex_private *priv,
*/
int
mwifiex_11n_aggregate_pkt(struct mwifiex_private *priv,
- struct mwifiex_ra_list_tbl *pra_list, int headroom,
+ struct mwifiex_ra_list_tbl *pra_list,
int ptrindex, unsigned long ra_list_flags)
__releases(&priv->wmm.ra_list_spinlock)
{
@@ -163,13 +164,16 @@ mwifiex_11n_aggregate_pkt(struct mwifiex_private *priv,
int pad = 0, ret;
struct mwifiex_tx_param tx_param;
struct txpd *ptx_pd = NULL;
+ struct timeval tv;
+ int headroom = adapter->iface_type == MWIFIEX_USB ? 0 : INTF_HEADER_LEN;
- if (skb_queue_empty(&pra_list->skb_head)) {
+ skb_src = skb_peek(&pra_list->skb_head);
+ if (!skb_src) {
spin_unlock_irqrestore(&priv->wmm.ra_list_spinlock,
ra_list_flags);
return 0;
}
- skb_src = skb_peek(&pra_list->skb_head);
+
tx_info_src = MWIFIEX_SKB_TXCB(skb_src);
skb_aggr = dev_alloc_skb(adapter->tx_buf_size);
if (!skb_aggr) {
@@ -181,20 +185,25 @@ mwifiex_11n_aggregate_pkt(struct mwifiex_private *priv,
skb_reserve(skb_aggr, headroom + sizeof(struct txpd));
tx_info_aggr = MWIFIEX_SKB_TXCB(skb_aggr);
- tx_info_aggr->bss_index = tx_info_src->bss_index;
+ memset(tx_info_aggr, 0, sizeof(*tx_info_aggr));
+ tx_info_aggr->bss_type = tx_info_src->bss_type;
+ tx_info_aggr->bss_num = tx_info_src->bss_num;
+
+ if (tx_info_src->flags & MWIFIEX_BUF_FLAG_TDLS_PKT)
+ tx_info_aggr->flags |= MWIFIEX_BUF_FLAG_TDLS_PKT;
skb_aggr->priority = skb_src->priority;
- while (skb_src && ((skb_headroom(skb_aggr) + skb_src->len
- + LLC_SNAP_LEN)
- <= adapter->tx_buf_size)) {
+ do_gettimeofday(&tv);
+ skb_aggr->tstamp = timeval_to_ktime(tv);
- if (!skb_queue_empty(&pra_list->skb_head))
- skb_src = skb_dequeue(&pra_list->skb_head);
- else
- skb_src = NULL;
+ do {
+ /* Check if AMSDU can accommodate this MSDU */
+ if (skb_tailroom(skb_aggr) < (skb_src->len + LLC_SNAP_LEN))
+ break;
- if (skb_src)
- pra_list->total_pkts_size -= skb_src->len;
+ skb_src = skb_dequeue(&pra_list->skb_head);
+
+ pra_list->total_pkt_count--;
atomic_dec(&priv->wmm.tx_pkts_queued);
@@ -202,7 +211,7 @@ mwifiex_11n_aggregate_pkt(struct mwifiex_private *priv,
ra_list_flags);
mwifiex_11n_form_amsdu_pkt(skb_aggr, skb_src, &pad);
- mwifiex_write_data_complete(adapter, skb_src, 0);
+ mwifiex_write_data_complete(adapter, skb_src, 0, 0);
spin_lock_irqsave(&priv->wmm.ra_list_spinlock, ra_list_flags);
@@ -212,11 +221,15 @@ mwifiex_11n_aggregate_pkt(struct mwifiex_private *priv,
return -1;
}
- if (!skb_queue_empty(&pra_list->skb_head))
- skb_src = skb_peek(&pra_list->skb_head);
- else
- skb_src = NULL;
- }
+ if (skb_tailroom(skb_aggr) < pad) {
+ pad = 0;
+ break;
+ }
+ skb_put(skb_aggr, pad);
+
+ skb_src = skb_peek(&pra_list->skb_head);
+
+ } while (skb_src);
spin_unlock_irqrestore(&priv->wmm.ra_list_spinlock, ra_list_flags);
@@ -230,26 +243,31 @@ mwifiex_11n_aggregate_pkt(struct mwifiex_private *priv,
skb_push(skb_aggr, headroom);
- tx_param.next_pkt_len = ((pra_list->total_pkts_size) ?
- (((pra_list->total_pkts_size) >
- adapter->tx_buf_size) ? adapter->
- tx_buf_size : pra_list->total_pkts_size +
- LLC_SNAP_LEN + sizeof(struct txpd)) : 0);
- ret = adapter->if_ops.host_to_card(adapter, MWIFIEX_TYPE_DATA,
- skb_aggr->data,
- skb_aggr->len, &tx_param);
+ if (adapter->iface_type == MWIFIEX_USB) {
+ adapter->data_sent = true;
+ ret = adapter->if_ops.host_to_card(adapter, MWIFIEX_USB_EP_DATA,
+ skb_aggr, NULL);
+ } else {
+ if (skb_src)
+ tx_param.next_pkt_len =
+ skb_src->len + sizeof(struct txpd);
+ else
+ tx_param.next_pkt_len = 0;
+
+ ret = adapter->if_ops.host_to_card(adapter, MWIFIEX_TYPE_DATA,
+ skb_aggr, &tx_param);
+ }
switch (ret) {
case -EBUSY:
spin_lock_irqsave(&priv->wmm.ra_list_spinlock, ra_list_flags);
if (!mwifiex_is_ralist_valid(priv, pra_list, ptrindex)) {
spin_unlock_irqrestore(&priv->wmm.ra_list_spinlock,
ra_list_flags);
- mwifiex_write_data_complete(adapter, skb_aggr, -1);
+ mwifiex_write_data_complete(adapter, skb_aggr, 1, -1);
return -1;
}
- if ((GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA) &&
- (adapter->pps_uapsd_mode) &&
- (adapter->tx_lock_flag)) {
+ if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA &&
+ adapter->pps_uapsd_mode && adapter->tx_lock_flag) {
priv->adapter->tx_lock_flag = false;
if (ptx_pd)
ptx_pd->flags = 0;
@@ -257,7 +275,7 @@ mwifiex_11n_aggregate_pkt(struct mwifiex_private *priv,
skb_queue_tail(&pra_list->skb_head, skb_aggr);
- pra_list->total_pkts_size += skb_aggr->len;
+ pra_list->total_pkt_count++;
atomic_inc(&priv->wmm.tx_pkts_queued);
@@ -267,35 +285,25 @@ mwifiex_11n_aggregate_pkt(struct mwifiex_private *priv,
dev_dbg(adapter->dev, "data: -EBUSY is returned\n");
break;
case -1:
- adapter->data_sent = false;
+ if (adapter->iface_type != MWIFIEX_PCIE)
+ adapter->data_sent = false;
dev_err(adapter->dev, "%s: host_to_card failed: %#x\n",
- __func__, ret);
+ __func__, ret);
adapter->dbg.num_tx_host_to_card_failure++;
- mwifiex_write_data_complete(adapter, skb_aggr, ret);
+ mwifiex_write_data_complete(adapter, skb_aggr, 1, ret);
return 0;
case -EINPROGRESS:
- adapter->data_sent = false;
+ if (adapter->iface_type != MWIFIEX_PCIE)
+ adapter->data_sent = false;
break;
case 0:
- mwifiex_write_data_complete(adapter, skb_aggr, ret);
+ mwifiex_write_data_complete(adapter, skb_aggr, 1, ret);
break;
default:
break;
}
if (ret != -EBUSY) {
- spin_lock_irqsave(&priv->wmm.ra_list_spinlock, ra_list_flags);
- if (mwifiex_is_ralist_valid(priv, pra_list, ptrindex)) {
- priv->wmm.packets_out[ptrindex]++;
- priv->wmm.tid_tbl_ptr[ptrindex].ra_list_curr = pra_list;
- }
- /* Now bss_prio_cur pointer points to next node */
- adapter->bss_prio_tbl[priv->bss_priority].bss_prio_cur =
- list_first_entry(
- &adapter->bss_prio_tbl[priv->bss_priority]
- .bss_prio_cur->list,
- struct mwifiex_bss_prio_node, list);
- spin_unlock_irqrestore(&priv->wmm.ra_list_spinlock,
- ra_list_flags);
+ mwifiex_rotate_priolists(priv, pra_list, ptrindex);
}
return 0;
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-14 23:48:00 +0000