AcoSail/kernel_optimize_test
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mwifiex: rx path enhancement to derive priv only once

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We derive mwifiex_private structure which is per interface from
received skb's rx_info. Once priv is derived, same priv can be
propagated to other functions instead of callee deriving priv
from rx_info again.

Signed-off-by: Avinash Patil <patila@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Avinash Patil 2012-10-19 19:19:21 -07:00 committed by John W. Linville
parent 3a5b8a1685
commit f3b369e40a
6 changed files with 32 additions and 58 deletions
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8
drivers/net/wireless/mwifiex/11n_rxreorder.c
View File

@ -58,8 +58,7 @@ mwifiex_11n_dispatch_pkt(struct mwifiex_private *priv,
if (priv->bss_role == MWIFIEX_BSS_ROLE_UAP)
mwifiex_handle_uap_rx_forward(priv, rx_tmp_ptr);
else
mwifiex_process_rx_packet(priv->adapter,
rx_tmp_ptr);
mwifiex_process_rx_packet(priv, rx_tmp_ptr);
}
}
@ -106,7 +105,7 @@ mwifiex_11n_scan_and_dispatch(struct mwifiex_private *priv,
if (priv->bss_role == MWIFIEX_BSS_ROLE_UAP)
mwifiex_handle_uap_rx_forward(priv, rx_tmp_ptr);
else
mwifiex_process_rx_packet(priv->adapter, rx_tmp_ptr);
mwifiex_process_rx_packet(priv, rx_tmp_ptr);
}
spin_lock_irqsave(&priv->rx_pkt_lock, flags);
@ -442,8 +441,7 @@ int mwifiex_11n_rx_reorder_pkt(struct mwifiex_private *priv,
if (priv->bss_role == MWIFIEX_BSS_ROLE_UAP)
mwifiex_handle_uap_rx_forward(priv, payload);
else
mwifiex_process_rx_packet(priv->adapter,
payload);
mwifiex_process_rx_packet(priv, payload);
}
return 0;
}

10
drivers/net/wireless/mwifiex/main.h
View File

@ -747,9 +747,9 @@ int mwifiex_shutdown_fw_complete(struct mwifiex_adapter *adapter);
int mwifiex_dnld_fw(struct mwifiex_adapter *, struct mwifiex_fw_image *);
int mwifiex_recv_packet(struct mwifiex_adapter *, struct sk_buff *skb);
int mwifiex_recv_packet(struct mwifiex_private *priv, struct sk_buff *skb);
int mwifiex_process_mgmt_packet(struct mwifiex_adapter *adapter,
int mwifiex_process_mgmt_packet(struct mwifiex_private *priv,
struct sk_buff *skb);
int mwifiex_process_event(struct mwifiex_adapter *adapter);
@ -806,7 +806,7 @@ void mwifiex_hs_activated_event(struct mwifiex_private *priv,
u8 activated);
int mwifiex_ret_802_11_hs_cfg(struct mwifiex_private *priv,
struct host_cmd_ds_command *resp);
int mwifiex_process_rx_packet(struct mwifiex_adapter *adapter,
int mwifiex_process_rx_packet(struct mwifiex_private *priv,
struct sk_buff *skb);
int mwifiex_sta_prepare_cmd(struct mwifiex_private *, uint16_t cmd_no,
u16 cmd_action, u32 cmd_oid,
@ -816,9 +816,9 @@ int mwifiex_uap_prepare_cmd(struct mwifiex_private *priv, uint16_t cmd_no,
void *data_buf, void *cmd_buf);
int mwifiex_process_sta_cmdresp(struct mwifiex_private *, u16 cmdresp_no,
struct host_cmd_ds_command *resp);
int mwifiex_process_sta_rx_packet(struct mwifiex_adapter *,
int mwifiex_process_sta_rx_packet(struct mwifiex_private *,
struct sk_buff *skb);
int mwifiex_process_uap_rx_packet(struct mwifiex_adapter *adapter,
int mwifiex_process_uap_rx_packet(struct mwifiex_private *priv,
struct sk_buff *skb);
int mwifiex_handle_uap_rx_forward(struct mwifiex_private *priv,
struct sk_buff *skb);

26
drivers/net/wireless/mwifiex/sta_rx.c
View File

@ -38,14 +38,10 @@
*
* The completion callback is called after processing in complete.
*/
int mwifiex_process_rx_packet(struct mwifiex_adapter *adapter,
int mwifiex_process_rx_packet(struct mwifiex_private *priv,
struct sk_buff *skb)
{
int ret;
struct mwifiex_rxinfo *rx_info = MWIFIEX_SKB_RXCB(skb);
struct mwifiex_private *priv =
mwifiex_get_priv_by_id(adapter, rx_info->bss_num,
rx_info->bss_type);
struct rx_packet_hdr *rx_pkt_hdr;
struct rxpd *local_rx_pd;
int hdr_chop;
@ -98,9 +94,9 @@ int mwifiex_process_rx_packet(struct mwifiex_adapter *adapter,
priv->rxpd_htinfo = local_rx_pd->ht_info;
ret = mwifiex_recv_packet(adapter, skb);
ret = mwifiex_recv_packet(priv, skb);
if (ret == -1)
dev_err(adapter->dev, "recv packet failed\n");
dev_err(priv->adapter->dev, "recv packet failed\n");
return ret;
}
@ -117,21 +113,15 @@ int mwifiex_process_rx_packet(struct mwifiex_adapter *adapter,
*
* The completion callback is called after processing in complete.
*/
int mwifiex_process_sta_rx_packet(struct mwifiex_adapter *adapter,
int mwifiex_process_sta_rx_packet(struct mwifiex_private *priv,
struct sk_buff *skb)
{
struct mwifiex_adapter *adapter = priv->adapter;
int ret = 0;
struct rxpd *local_rx_pd;
struct mwifiex_rxinfo *rx_info = MWIFIEX_SKB_RXCB(skb);
struct rx_packet_hdr *rx_pkt_hdr;
u8 ta[ETH_ALEN];
u16 rx_pkt_type, rx_pkt_offset, rx_pkt_length, seq_num;
struct mwifiex_private *priv =
mwifiex_get_priv_by_id(adapter, rx_info->bss_num,
rx_info->bss_type);
if (!priv)
return -1;
local_rx_pd = (struct rxpd *) (skb->data);
rx_pkt_type = le16_to_cpu(local_rx_pd->rx_pkt_type);
@ -169,13 +159,13 @@ int mwifiex_process_sta_rx_packet(struct mwifiex_adapter *adapter,
while (!skb_queue_empty(&list)) {
rx_skb = __skb_dequeue(&list);
ret = mwifiex_recv_packet(adapter, rx_skb);
ret = mwifiex_recv_packet(priv, rx_skb);
if (ret == -1)
dev_err(adapter->dev, "Rx of A-MSDU failed");
}
return 0;
} else if (rx_pkt_type == PKT_TYPE_MGMT) {
ret = mwifiex_process_mgmt_packet(adapter, skb);
ret = mwifiex_process_mgmt_packet(priv, skb);
if (ret)
dev_err(adapter->dev, "Rx of mgmt packet failed");
dev_kfree_skb_any(skb);
@ -188,7 +178,7 @@ int mwifiex_process_sta_rx_packet(struct mwifiex_adapter *adapter,
*/
if (!IS_11N_ENABLED(priv) ||
memcmp(priv->curr_addr, rx_pkt_hdr->eth803_hdr.h_dest, ETH_ALEN)) {
mwifiex_process_rx_packet(adapter, skb);
mwifiex_process_rx_packet(priv, skb);
return ret;
}

10
drivers/net/wireless/mwifiex/txrx.c
View File

@ -48,13 +48,19 @@ int mwifiex_handle_rx_packet(struct mwifiex_adapter *adapter,
if (!priv)
priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY);
if (!priv) {
dev_err(adapter->dev, "data: priv not found. Drop RX packet\n");
dev_kfree_skb_any(skb);
return -1;
}
rx_info->bss_num = priv->bss_num;
rx_info->bss_type = priv->bss_type;
if (priv->bss_role == MWIFIEX_BSS_ROLE_UAP)
return mwifiex_process_uap_rx_packet(adapter, skb);
return mwifiex_process_uap_rx_packet(priv, skb);
return mwifiex_process_sta_rx_packet(adapter, skb);
return mwifiex_process_sta_rx_packet(priv, skb);
}
EXPORT_SYMBOL_GPL(mwifiex_handle_rx_packet);

17
drivers/net/wireless/mwifiex/uap_txrx.c
View File

@ -146,7 +146,7 @@ int mwifiex_handle_uap_rx_forward(struct mwifiex_private *priv,
}
/* Forward unicat/Inter-BSS packets to kernel. */
return mwifiex_process_rx_packet(adapter, skb);
return mwifiex_process_rx_packet(priv, skb);
}
/*
@ -159,24 +159,17 @@ int mwifiex_handle_uap_rx_forward(struct mwifiex_private *priv,
*
* The completion callback is called after processing is complete.
*/
int mwifiex_process_uap_rx_packet(struct mwifiex_adapter *adapter,
int mwifiex_process_uap_rx_packet(struct mwifiex_private *priv,
struct sk_buff *skb)
{
struct mwifiex_adapter *adapter = priv->adapter;
int ret;
struct uap_rxpd *uap_rx_pd;
struct mwifiex_rxinfo *rx_info = MWIFIEX_SKB_RXCB(skb);
struct rx_packet_hdr *rx_pkt_hdr;
u16 rx_pkt_type;
u8 ta[ETH_ALEN], pkt_type;
struct mwifiex_sta_node *node;
struct mwifiex_private *priv =
mwifiex_get_priv_by_id(adapter, rx_info->bss_num,
rx_info->bss_type);
if (!priv)
return -1;
uap_rx_pd = (struct uap_rxpd *)(skb->data);
rx_pkt_type = le16_to_cpu(uap_rx_pd->rx_pkt_type);
rx_pkt_hdr = (void *)uap_rx_pd + le16_to_cpu(uap_rx_pd->rx_pkt_offset);
@ -210,7 +203,7 @@ int mwifiex_process_uap_rx_packet(struct mwifiex_adapter *adapter,
while (!skb_queue_empty(&list)) {
rx_skb = __skb_dequeue(&list);
ret = mwifiex_recv_packet(adapter, rx_skb);
ret = mwifiex_recv_packet(priv, rx_skb);
if (ret)
dev_err(adapter->dev,
"AP:Rx A-MSDU failed");
@ -218,7 +211,7 @@ int mwifiex_process_uap_rx_packet(struct mwifiex_adapter *adapter,
return 0;
} else if (rx_pkt_type == PKT_TYPE_MGMT) {
ret = mwifiex_process_mgmt_packet(adapter, skb);
ret = mwifiex_process_mgmt_packet(priv, skb);
if (ret)
dev_err(adapter->dev, "Rx of mgmt packet failed");
dev_kfree_skb_any(skb);

19
drivers/net/wireless/mwifiex/util.c
View File

@ -146,20 +146,16 @@ int mwifiex_get_debug_info(struct mwifiex_private *priv,
* to the kernel.
*/
int
mwifiex_process_mgmt_packet(struct mwifiex_adapter *adapter,
mwifiex_process_mgmt_packet(struct mwifiex_private *priv,
struct sk_buff *skb)
{
struct rxpd *rx_pd;
struct mwifiex_private *priv;
u16 pkt_len;
if (!skb)
return -1;
rx_pd = (struct rxpd *)skb->data;
priv = mwifiex_get_priv_by_id(adapter, rx_pd->bss_num, rx_pd->bss_type);
if (!priv)
return -1;
skb_pull(skb, le16_to_cpu(rx_pd->rx_pkt_offset));
skb_pull(skb, sizeof(pkt_len));
@ -190,20 +186,11 @@ mwifiex_process_mgmt_packet(struct mwifiex_adapter *adapter,
* the function creates a blank SKB, fills it with the data from the
* received buffer and then sends this new SKB to the kernel.
*/
int mwifiex_recv_packet(struct mwifiex_adapter *adapter, struct sk_buff *skb)
int mwifiex_recv_packet(struct mwifiex_private *priv, struct sk_buff *skb)
{
struct mwifiex_rxinfo *rx_info;
struct mwifiex_private *priv;
if (!skb)
return -1;
rx_info = MWIFIEX_SKB_RXCB(skb);
priv = mwifiex_get_priv_by_id(adapter, rx_info->bss_num,
rx_info->bss_type);
if (!priv)
return -1;
skb->dev = priv->netdev;
skb->protocol = eth_type_trans(skb, priv->netdev);
skb->ip_summed = CHECKSUM_NONE;
@ -225,7 +212,7 @@ int mwifiex_recv_packet(struct mwifiex_adapter *adapter, struct sk_buff *skb)
* fragments. Currently we fail the Filesndl-ht.scr script
* for UDP, hence this fix
*/
if ((adapter->iface_type == MWIFIEX_USB) &&
if ((priv->adapter->iface_type == MWIFIEX_USB) &&
(skb->truesize > MWIFIEX_RX_DATA_BUF_SIZE))
skb->truesize += (skb->len - MWIFIEX_RX_DATA_BUF_SIZE);