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path: root/drivers/staging/rtl8188eu/core/rtw_xmit.c
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-rw-r--r--drivers/staging/rtl8188eu/core/rtw_xmit.c74
1 files changed, 9 insertions, 65 deletions
diff --git a/drivers/staging/rtl8188eu/core/rtw_xmit.c b/drivers/staging/rtl8188eu/core/rtw_xmit.c
index 3c034486346b..2130d78e0d9f 100644
--- a/drivers/staging/rtl8188eu/core/rtw_xmit.c
+++ b/drivers/staging/rtl8188eu/core/rtw_xmit.c
@@ -1,16 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0
/******************************************************************************
*
* Copyright(c) 2007 - 2012 Realtek Corporation. All rights reserved.
*
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of version 2 of the GNU General Public License as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
******************************************************************************/
#define _RTW_XMIT_C_
@@ -31,7 +23,7 @@ static void _init_txservq(struct tx_servq *ptxservq)
ptxservq->qcnt = 0;
}
-void _rtw_init_sta_xmit_priv(struct sta_xmit_priv *psta_xmitpriv)
+void _rtw_init_sta_xmit_priv(struct sta_xmit_priv *psta_xmitpriv)
{
memset((unsigned char *)psta_xmitpriv, 0, sizeof(struct sta_xmit_priv));
spin_lock_init(&psta_xmitpriv->lock);
@@ -41,19 +33,17 @@ void _rtw_init_sta_xmit_priv(struct sta_xmit_priv *psta_xmitpriv)
_init_txservq(&psta_xmitpriv->vo_q);
INIT_LIST_HEAD(&psta_xmitpriv->legacy_dz);
INIT_LIST_HEAD(&psta_xmitpriv->apsd);
-
}
-s32 _rtw_init_xmit_priv(struct xmit_priv *pxmitpriv, struct adapter *padapter)
+s32 _rtw_init_xmit_priv(struct xmit_priv *pxmitpriv, struct adapter *padapter)
{
int i;
struct xmit_buf *pxmitbuf;
struct xmit_frame *pxframe;
- int res = _SUCCESS;
+ int res = _SUCCESS;
u32 max_xmit_extbuf_size = MAX_XMIT_EXTBUF_SZ;
u32 num_xmit_extbuf = NR_XMIT_EXTBUFF;
-
/* We don't need to memset padapter->XXX to zero, because adapter is allocated by vzalloc(). */
spin_lock_init(&pxmitpriv->lock);
@@ -80,7 +70,7 @@ s32 _rtw_init_xmit_priv(struct xmit_priv *pxmitpriv, struct adapter *padapter)
pxmitpriv->pallocated_frame_buf = vzalloc(NR_XMITFRAME * sizeof(struct xmit_frame) + 4);
- if (pxmitpriv->pallocated_frame_buf == NULL) {
+ if (!pxmitpriv->pallocated_frame_buf) {
pxmitpriv->pxmit_frame_buf = NULL;
RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("alloc xmit_frame fail!\n"));
res = _FAIL;
@@ -118,7 +108,7 @@ s32 _rtw_init_xmit_priv(struct xmit_priv *pxmitpriv, struct adapter *padapter)
pxmitpriv->pallocated_xmitbuf = vzalloc(NR_XMITBUFF * sizeof(struct xmit_buf) + 4);
- if (pxmitpriv->pallocated_xmitbuf == NULL) {
+ if (!pxmitpriv->pallocated_xmitbuf) {
RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("alloc xmit_buf fail!\n"));
res = _FAIL;
goto exit;
@@ -159,7 +149,7 @@ s32 _rtw_init_xmit_priv(struct xmit_priv *pxmitpriv, struct adapter *padapter)
pxmitpriv->pallocated_xmit_extbuf = vzalloc(num_xmit_extbuf * sizeof(struct xmit_buf) + 4);
- if (pxmitpriv->pallocated_xmit_extbuf == NULL) {
+ if (!pxmitpriv->pallocated_xmit_extbuf) {
RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("alloc xmit_extbuf fail!\n"));
res = _FAIL;
goto exit;
@@ -209,8 +199,6 @@ s32 _rtw_init_xmit_priv(struct xmit_priv *pxmitpriv, struct adapter *padapter)
rtw_hal_init_xmit_priv(padapter);
exit:
-
-
return res;
}
@@ -222,7 +210,7 @@ void _rtw_free_xmit_priv(struct xmit_priv *pxmitpriv)
struct xmit_buf *pxmitbuf = (struct xmit_buf *)pxmitpriv->pxmitbuf;
u32 num_xmit_extbuf = NR_XMIT_EXTBUFF;
- if (pxmitpriv->pxmit_frame_buf == NULL)
+ if (!pxmitpriv->pxmit_frame_buf)
return;
for (i = 0; i < NR_XMITFRAME; i++) {
@@ -594,8 +582,6 @@ static s32 update_attrib(struct adapter *padapter, struct sk_buff *pkt, struct p
update_attrib_phy_info(pattrib, psta);
exit:
-
-
return res;
}
@@ -617,7 +603,6 @@ static s32 xmitframe_addmic(struct adapter *padapter, struct xmit_frame *pxmitfr
else
stainfo = rtw_get_stainfo(&padapter->stapriv, &pattrib->ra[0]);
-
hw_hdr_offset = TXDESC_SIZE + (pxmitframe->pkt_offset * PACKET_OFFSET_SZ);
if (pattrib->encrypt == _TKIP_) {/* if (psecuritypriv->dot11PrivacyAlgrthm == _TKIP_PRIVACY_) */
@@ -714,7 +699,6 @@ static s32 xmitframe_addmic(struct adapter *padapter, struct xmit_frame *pxmitfr
}
}
-
return _SUCCESS;
}
@@ -722,7 +706,6 @@ static s32 xmitframe_swencrypt(struct adapter *padapter, struct xmit_frame *pxmi
{
struct pkt_attrib *pattrib = &pxmitframe->attrib;
-
if (pattrib->bswenc) {
RT_TRACE(_module_rtl871x_xmit_c_, _drv_alert_, ("### %s\n", __func__));
switch (pattrib->encrypt) {
@@ -743,7 +726,6 @@ static s32 xmitframe_swencrypt(struct adapter *padapter, struct xmit_frame *pxmi
RT_TRACE(_module_rtl871x_xmit_c_, _drv_notice_, ("### xmitframe_hwencrypt\n"));
}
-
return _SUCCESS;
}
@@ -763,7 +745,6 @@ s32 rtw_make_wlanhdr(struct adapter *padapter, u8 *hdr, struct pkt_attrib *pattr
int bmcst = IS_MCAST(pattrib->ra);
-
if (pattrib->psta) {
psta = pattrib->psta;
} else {
@@ -912,24 +893,6 @@ s32 rtw_txframes_sta_ac_pending(struct adapter *padapter, struct pkt_attrib *pat
}
/*
- * Calculate wlan 802.11 packet MAX size from pkt_attrib
- * This function doesn't consider fragment case
- */
-u32 rtw_calculate_wlan_pkt_size_by_attribue(struct pkt_attrib *pattrib)
-{
- u32 len = 0;
-
- len = pattrib->hdrlen + pattrib->iv_len; /* WLAN Header and IV */
- len += SNAP_SIZE + sizeof(u16); /* LLC */
- len += pattrib->pktlen;
- if (pattrib->encrypt == _TKIP_)
- len += 8; /* MIC */
- len += ((pattrib->bswenc) ? pattrib->icv_len : 0); /* ICV */
-
- return len;
-}
-
-/*
This sub-routine will perform all the following:
@@ -960,7 +923,7 @@ s32 rtw_xmitframe_coalesce(struct adapter *padapter, struct sk_buff *pkt, struct
if (!psta)
return _FAIL;
- if (pxmitframe->buf_addr == NULL) {
+ if (!pxmitframe->buf_addr) {
DBG_88E("==> %s buf_addr == NULL\n", __func__);
return _FAIL;
}
@@ -1084,8 +1047,6 @@ s32 rtw_xmitframe_coalesce(struct adapter *padapter, struct sk_buff *pkt, struct
pattrib->vcs_mode = NONE_VCS;
exit:
-
-
return res;
}
@@ -1101,7 +1062,6 @@ s32 rtw_put_snap(u8 *data, u16 h_proto)
struct ieee80211_snap_hdr *snap;
u8 *oui;
-
snap = (struct ieee80211_snap_hdr *)data;
snap->dsap = 0xaa;
snap->ssap = 0xaa;
@@ -1118,7 +1078,6 @@ s32 rtw_put_snap(u8 *data, u16 h_proto)
*(__be16 *)(data + SNAP_SIZE) = htons(h_proto);
-
return SNAP_SIZE + sizeof(u16);
}
@@ -1129,7 +1088,6 @@ void rtw_update_protection(struct adapter *padapter, u8 *ie, uint ie_len)
struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
struct registry_priv *pregistrypriv = &padapter->registrypriv;
-
switch (pxmitpriv->vcs_setting) {
case DISABLE_VCS:
pxmitpriv->vcs = NONE_VCS;
@@ -1154,7 +1112,6 @@ void rtw_update_protection(struct adapter *padapter, u8 *ie, uint ie_len)
}
break;
}
-
}
void rtw_count_tx_stats(struct adapter *padapter, struct xmit_frame *pxmitframe, int sz)
@@ -1206,7 +1163,6 @@ s32 rtw_free_xmitbuf_ext(struct xmit_priv *pxmitpriv, struct xmit_buf *pxmitbuf)
unsigned long irql;
struct __queue *pfree_queue = &pxmitpriv->free_xmit_extbuf_queue;
-
if (!pxmitbuf)
return _FAIL;
@@ -1219,7 +1175,6 @@ s32 rtw_free_xmitbuf_ext(struct xmit_priv *pxmitpriv, struct xmit_buf *pxmitbuf)
spin_unlock_irqrestore(&pfree_queue->lock, irql);
-
return _SUCCESS;
}
@@ -1274,7 +1229,6 @@ s32 rtw_free_xmitbuf(struct xmit_priv *pxmitpriv, struct xmit_buf *pxmitbuf)
spin_unlock_irqrestore(&pfree_xmitbuf_queue->lock, irql);
}
-
return _SUCCESS;
}
@@ -1343,7 +1297,6 @@ s32 rtw_free_xmitframe(struct xmit_priv *pxmitpriv, struct xmit_frame *pxmitfram
struct adapter *padapter = pxmitpriv->adapter;
struct sk_buff *pndis_pkt = NULL;
-
if (!pxmitframe) {
RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("====== %s:pxmitframe == NULL!!!!!!!!!!\n", __func__));
goto exit;
@@ -1369,8 +1322,6 @@ s32 rtw_free_xmitframe(struct xmit_priv *pxmitpriv, struct xmit_frame *pxmitfram
rtw_os_pkt_complete(padapter, pndis_pkt);
exit:
-
-
return _SUCCESS;
}
@@ -1379,7 +1330,6 @@ void rtw_free_xmitframe_queue(struct xmit_priv *pxmitpriv, struct __queue *pfram
struct list_head *plist, *phead;
struct xmit_frame *pxmitframe;
-
spin_lock_bh(&pframequeue->lock);
phead = get_list_head(pframequeue);
@@ -1393,7 +1343,6 @@ void rtw_free_xmitframe_queue(struct xmit_priv *pxmitpriv, struct __queue *pfram
rtw_free_xmitframe(pxmitpriv, pxmitframe);
}
spin_unlock_bh(&pframequeue->lock);
-
}
s32 rtw_xmitframe_enqueue(struct adapter *padapter, struct xmit_frame *pxmitframe)
@@ -1439,7 +1388,6 @@ struct xmit_frame *rtw_dequeue_xframe(struct xmit_priv *pxmitpriv, struct hw_xmi
struct registry_priv *pregpriv = &padapter->registrypriv;
int i, inx[4];
-
inx[0] = 0; inx[1] = 1; inx[2] = 2; inx[3] = 3;
if (pregpriv->wifi_spec == 1) {
@@ -1513,7 +1461,6 @@ struct tx_servq *rtw_get_sta_pending(struct adapter *padapter, struct sta_info *
break;
}
-
return ptxservq;
}
@@ -1531,7 +1478,6 @@ s32 rtw_xmit_classifier(struct adapter *padapter, struct xmit_frame *pxmitframe)
struct hw_xmit *phwxmits = padapter->xmitpriv.hwxmits;
int res = _SUCCESS;
-
if (pattrib->psta)
psta = pattrib->psta;
else
@@ -1553,8 +1499,6 @@ s32 rtw_xmit_classifier(struct adapter *padapter, struct xmit_frame *pxmitframe)
ptxservq->qcnt++;
phwxmits[ac_index].accnt++;
exit:
-
-
return res;
}
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