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Date: Sat, 20 Aug 2022 20:16:22 +0200
From: Michael Straube <straube.linux@...il.com>
To: gregkh@...uxfoundation.org
Cc: Larry.Finger@...inger.net, phil@...lpotter.co.uk,
linux-staging@...ts.linux.dev, linux-kernel@...r.kernel.org,
Michael Straube <straube.linux@...il.com>
Subject: [PATCH 18/19] staging: r8188eu: remove os_dep/xmit_linux.c
Move the last remaining function rtw_xmit_entry(), and the static
functions it calls, from os_dep/xmit_linux.c to core/rtw_xmit.c and
remove the now empty file os_dep/xmit_linux.c.
Signed-off-by: Michael Straube <straube.linux@...il.com>
---
drivers/staging/r8188eu/Makefile | 1 -
drivers/staging/r8188eu/core/rtw_xmit.c | 102 ++++++++++++++++
drivers/staging/r8188eu/include/rtw_xmit.h | 1 +
drivers/staging/r8188eu/include/xmit_osdep.h | 2 -
drivers/staging/r8188eu/os_dep/xmit_linux.c | 115 -------------------
5 files changed, 103 insertions(+), 118 deletions(-)
delete mode 100644 drivers/staging/r8188eu/os_dep/xmit_linux.c
diff --git a/drivers/staging/r8188eu/Makefile b/drivers/staging/r8188eu/Makefile
index b38fb8157d79..afafe6957155 100644
--- a/drivers/staging/r8188eu/Makefile
+++ b/drivers/staging/r8188eu/Makefile
@@ -27,7 +27,6 @@ r8188eu-y = \
os_dep/osdep_service.o \
os_dep/usb_intf.o \
os_dep/usb_ops_linux.o \
- os_dep/xmit_linux.o \
core/rtw_ap.o \
core/rtw_br_ext.o \
core/rtw_cmd.o \
diff --git a/drivers/staging/r8188eu/core/rtw_xmit.c b/drivers/staging/r8188eu/core/rtw_xmit.c
index f8d6f458b83e..d41d1d09d8ae 100644
--- a/drivers/staging/r8188eu/core/rtw_xmit.c
+++ b/drivers/staging/r8188eu/core/rtw_xmit.c
@@ -2226,3 +2226,105 @@ void rtw_ack_tx_done(struct xmit_priv *pxmitpriv, int status)
if (pxmitpriv->ack_tx)
rtw_sctx_done_err(&pack_tx_ops, status);
}
+
+static void rtw_check_xmit_resource(struct adapter *padapter, struct sk_buff *pkt)
+{
+ struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
+ u16 queue;
+
+ queue = skb_get_queue_mapping(pkt);
+ if (padapter->registrypriv.wifi_spec) {
+ /* No free space for Tx, tx_worker is too slow */
+ if (pxmitpriv->hwxmits[queue].accnt > WMM_XMIT_THRESHOLD)
+ netif_stop_subqueue(padapter->pnetdev, queue);
+ } else {
+ if (pxmitpriv->free_xmitframe_cnt <= 4) {
+ if (!netif_tx_queue_stopped(netdev_get_tx_queue(padapter->pnetdev, queue)))
+ netif_stop_subqueue(padapter->pnetdev, queue);
+ }
+ }
+}
+
+static int rtw_mlcst2unicst(struct adapter *padapter, struct sk_buff *skb)
+{
+ struct sta_priv *pstapriv = &padapter->stapriv;
+ struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
+ struct list_head *phead, *plist;
+ struct sk_buff *newskb;
+ struct sta_info *psta = NULL;
+ s32 res;
+
+ spin_lock_bh(&pstapriv->asoc_list_lock);
+ phead = &pstapriv->asoc_list;
+ plist = phead->next;
+
+ /* free sta asoc_queue */
+ while (phead != plist) {
+ psta = container_of(plist, struct sta_info, asoc_list);
+
+ plist = plist->next;
+
+ /* avoid come from STA1 and send back STA1 */
+ if (!memcmp(psta->hwaddr, &skb->data[6], 6))
+ continue;
+
+ newskb = skb_copy(skb, GFP_ATOMIC);
+
+ if (newskb) {
+ memcpy(newskb->data, psta->hwaddr, 6);
+ res = rtw_xmit(padapter, &newskb);
+ if (res < 0) {
+ pxmitpriv->tx_drop++;
+ dev_kfree_skb_any(newskb);
+ } else {
+ pxmitpriv->tx_pkts++;
+ }
+ } else {
+ pxmitpriv->tx_drop++;
+
+ spin_unlock_bh(&pstapriv->asoc_list_lock);
+ return false; /* Caller shall tx this multicast frame via normal way. */
+ }
+ }
+
+ spin_unlock_bh(&pstapriv->asoc_list_lock);
+ dev_kfree_skb_any(skb);
+ return true;
+}
+
+int rtw_xmit_entry(struct sk_buff *pkt, struct net_device *pnetdev)
+{
+ struct adapter *padapter = (struct adapter *)rtw_netdev_priv(pnetdev);
+ struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
+ struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
+ s32 res = 0;
+
+ if (!rtw_if_up(padapter))
+ goto drop_packet;
+
+ rtw_check_xmit_resource(padapter, pkt);
+
+ if (!rtw_mc2u_disable && check_fwstate(pmlmepriv, WIFI_AP_STATE) &&
+ (IP_MCAST_MAC(pkt->data) || ICMPV6_MCAST_MAC(pkt->data)) &&
+ (padapter->registrypriv.wifi_spec == 0)) {
+ if (pxmitpriv->free_xmitframe_cnt > (NR_XMITFRAME / 4)) {
+ res = rtw_mlcst2unicst(padapter, pkt);
+ if (res)
+ goto exit;
+ }
+ }
+
+ res = rtw_xmit(padapter, &pkt);
+ if (res < 0)
+ goto drop_packet;
+
+ pxmitpriv->tx_pkts++;
+ goto exit;
+
+drop_packet:
+ pxmitpriv->tx_drop++;
+ dev_kfree_skb_any(pkt);
+
+exit:
+ return 0;
+}
diff --git a/drivers/staging/r8188eu/include/rtw_xmit.h b/drivers/staging/r8188eu/include/rtw_xmit.h
index be9a7afad8ea..0d05ab9abcfb 100644
--- a/drivers/staging/r8188eu/include/rtw_xmit.h
+++ b/drivers/staging/r8188eu/include/rtw_xmit.h
@@ -368,6 +368,7 @@ int rtw_ack_tx_wait(struct xmit_priv *pxmitpriv, u32 timeout_ms);
void rtw_ack_tx_done(struct xmit_priv *pxmitpriv, int status);
void rtw_xmit_complete(struct adapter *padapter, struct xmit_frame *pxframe);
+int rtw_xmit_entry(struct sk_buff *pkt, struct net_device *pnetdev);
/* include after declaring struct xmit_buf, in order to avoid warning */
#include "xmit_osdep.h"
diff --git a/drivers/staging/r8188eu/include/xmit_osdep.h b/drivers/staging/r8188eu/include/xmit_osdep.h
index ae738d215e99..0a68b2dd8d5e 100644
--- a/drivers/staging/r8188eu/include/xmit_osdep.h
+++ b/drivers/staging/r8188eu/include/xmit_osdep.h
@@ -17,6 +17,4 @@ struct sta_xmit_priv;
struct xmit_frame;
struct xmit_buf;
-int rtw_xmit_entry(struct sk_buff *pkt, struct net_device *pnetdev);
-
#endif /* __XMIT_OSDEP_H_ */
diff --git a/drivers/staging/r8188eu/os_dep/xmit_linux.c b/drivers/staging/r8188eu/os_dep/xmit_linux.c
deleted file mode 100644
index 4721447a02e8..000000000000
--- a/drivers/staging/r8188eu/os_dep/xmit_linux.c
+++ /dev/null
@@ -1,115 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/* Copyright(c) 2007 - 2012 Realtek Corporation. */
-
-#define _XMIT_OSDEP_C_
-
-#include "../include/osdep_service.h"
-#include "../include/drv_types.h"
-#include "../include/wifi.h"
-#include "../include/mlme_osdep.h"
-#include "../include/xmit_osdep.h"
-#include "../include/osdep_intf.h"
-#include "../include/usb_osintf.h"
-
-static void rtw_check_xmit_resource(struct adapter *padapter, struct sk_buff *pkt)
-{
- struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
- u16 queue;
-
- queue = skb_get_queue_mapping(pkt);
- if (padapter->registrypriv.wifi_spec) {
- /* No free space for Tx, tx_worker is too slow */
- if (pxmitpriv->hwxmits[queue].accnt > WMM_XMIT_THRESHOLD)
- netif_stop_subqueue(padapter->pnetdev, queue);
- } else {
- if (pxmitpriv->free_xmitframe_cnt <= 4) {
- if (!netif_tx_queue_stopped(netdev_get_tx_queue(padapter->pnetdev, queue)))
- netif_stop_subqueue(padapter->pnetdev, queue);
- }
- }
-}
-
-static int rtw_mlcst2unicst(struct adapter *padapter, struct sk_buff *skb)
-{
- struct sta_priv *pstapriv = &padapter->stapriv;
- struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
- struct list_head *phead, *plist;
- struct sk_buff *newskb;
- struct sta_info *psta = NULL;
- s32 res;
-
- spin_lock_bh(&pstapriv->asoc_list_lock);
- phead = &pstapriv->asoc_list;
- plist = phead->next;
-
- /* free sta asoc_queue */
- while (phead != plist) {
- psta = container_of(plist, struct sta_info, asoc_list);
-
- plist = plist->next;
-
- /* avoid come from STA1 and send back STA1 */
- if (!memcmp(psta->hwaddr, &skb->data[6], 6))
- continue;
-
- newskb = skb_copy(skb, GFP_ATOMIC);
-
- if (newskb) {
- memcpy(newskb->data, psta->hwaddr, 6);
- res = rtw_xmit(padapter, &newskb);
- if (res < 0) {
- pxmitpriv->tx_drop++;
- dev_kfree_skb_any(newskb);
- } else {
- pxmitpriv->tx_pkts++;
- }
- } else {
- pxmitpriv->tx_drop++;
-
- spin_unlock_bh(&pstapriv->asoc_list_lock);
- return false; /* Caller shall tx this multicast frame via normal way. */
- }
- }
-
- spin_unlock_bh(&pstapriv->asoc_list_lock);
- dev_kfree_skb_any(skb);
- return true;
-}
-
-int rtw_xmit_entry(struct sk_buff *pkt, struct net_device *pnetdev)
-{
- struct adapter *padapter = (struct adapter *)rtw_netdev_priv(pnetdev);
- struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
- struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
- s32 res = 0;
-
- if (!rtw_if_up(padapter))
- goto drop_packet;
-
- rtw_check_xmit_resource(padapter, pkt);
-
- if (!rtw_mc2u_disable && check_fwstate(pmlmepriv, WIFI_AP_STATE) &&
- (IP_MCAST_MAC(pkt->data) || ICMPV6_MCAST_MAC(pkt->data)) &&
- (padapter->registrypriv.wifi_spec == 0)) {
- if (pxmitpriv->free_xmitframe_cnt > (NR_XMITFRAME / 4)) {
- res = rtw_mlcst2unicst(padapter, pkt);
- if (res)
- goto exit;
- }
- }
-
- res = rtw_xmit(padapter, &pkt);
- if (res < 0)
- goto drop_packet;
-
- pxmitpriv->tx_pkts++;
- goto exit;
-
-drop_packet:
- pxmitpriv->tx_drop++;
- dev_kfree_skb_any(pkt);
-
-exit:
-
- return 0;
-}
--
2.37.2
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