diff options
Diffstat (limited to 'drivers/staging/rtl8712/rtl8712_recv.c')
| -rw-r--r-- | drivers/staging/rtl8712/rtl8712_recv.c | 54 |
1 files changed, 21 insertions, 33 deletions
diff --git a/drivers/staging/rtl8712/rtl8712_recv.c b/drivers/staging/rtl8712/rtl8712_recv.c index 82ddc0c3ecd4..9901815604f4 100644 --- a/drivers/staging/rtl8712/rtl8712_recv.c +++ b/drivers/staging/rtl8712/rtl8712_recv.c @@ -35,11 +35,11 @@ static u8 rfc1042_header[] = {0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00}; static void recv_tasklet(void *priv); -int r8712_init_recv_priv(struct recv_priv *precvpriv, struct _adapter *padapter) +void r8712_init_recv_priv(struct recv_priv *precvpriv, + struct _adapter *padapter) { int i; struct recv_buf *precvbuf; - int res = _SUCCESS; addr_t tmpaddr = 0; int alignment = 0; struct sk_buff *pskb = NULL; @@ -49,15 +49,14 @@ int r8712_init_recv_priv(struct recv_priv *precvpriv, struct _adapter *padapter) precvpriv->pallocated_recv_buf = kzalloc(NR_RECVBUFF * sizeof(struct recv_buf) + 4, GFP_ATOMIC); if (!precvpriv->pallocated_recv_buf) - return _FAIL; + return; precvpriv->precv_buf = precvpriv->pallocated_recv_buf + 4 - ((addr_t)(precvpriv->pallocated_recv_buf) & 3); precvbuf = (struct recv_buf *)precvpriv->precv_buf; for (i = 0; i < NR_RECVBUFF; i++) { INIT_LIST_HEAD(&precvbuf->list); spin_lock_init(&precvbuf->recvbuf_lock); - res = r8712_os_recvbuf_resource_alloc(padapter, precvbuf); - if (res == _FAIL) + if (r8712_os_recvbuf_resource_alloc(padapter, precvbuf)) break; precvbuf->ref_cnt = 0; precvbuf->adapter = padapter; @@ -83,7 +82,6 @@ int r8712_init_recv_priv(struct recv_priv *precvpriv, struct _adapter *padapter) } pskb = NULL; } - return res; } void r8712_free_recv_priv(struct recv_priv *precvpriv) @@ -107,7 +105,7 @@ void r8712_free_recv_priv(struct recv_priv *precvpriv) skb_queue_len(&precvpriv->free_recv_skb_queue)); } -int r8712_init_recvbuf(struct _adapter *padapter, struct recv_buf *precvbuf) +void r8712_init_recvbuf(struct _adapter *padapter, struct recv_buf *precvbuf) { precvbuf->transfer_len = 0; precvbuf->len = 0; @@ -118,10 +116,9 @@ int r8712_init_recvbuf(struct _adapter *padapter, struct recv_buf *precvbuf) precvbuf->ptail = precvbuf->pbuf; precvbuf->pend = precvbuf->pdata + MAX_RECVBUF_SZ; } - return _SUCCESS; } -int r8712_free_recvframe(union recv_frame *precvframe, +void r8712_free_recvframe(union recv_frame *precvframe, struct __queue *pfree_recv_queue) { unsigned long irqL; @@ -140,7 +137,6 @@ int r8712_free_recvframe(union recv_frame *precvframe, precvpriv->free_recvframe_cnt++; } spin_unlock_irqrestore(&pfree_recv_queue->lock, irqL); - return _SUCCESS; } static void update_recvframe_attrib_from_recvstat(struct rx_pkt_attrib *pattrib, @@ -323,7 +319,7 @@ union recv_frame *r8712_recvframe_chk_defrag(struct _adapter *padapter, return prtnframe; } -static int amsdu_to_msdu(struct _adapter *padapter, union recv_frame *prframe) +static void amsdu_to_msdu(struct _adapter *padapter, union recv_frame *prframe) { int a_len, padding_len; u16 eth_type, nSubframe_Length; @@ -421,7 +417,6 @@ static int amsdu_to_msdu(struct _adapter *padapter, union recv_frame *prframe) exit: prframe->u.hdr.len = 0; r8712_free_recvframe(prframe, pfree_recv_queue); - return _SUCCESS; } void r8712_rxcmd_event_hdl(struct _adapter *padapter, void *prxcmdbuf) @@ -511,7 +506,6 @@ int r8712_recv_indicatepkts_in_order(struct _adapter *padapter, union recv_frame *prframe; struct rx_pkt_attrib *pattrib; int bPktInBuf = false; - struct recv_priv *precvpriv = &padapter->recvpriv; struct __queue *ppending_recvframe_queue = &preorder_ctrl->pending_recvframe_queue; @@ -548,10 +542,7 @@ int r8712_recv_indicatepkts_in_order(struct _adapter *padapter, prframe); } } else if (pattrib->amsdu == 1) { - if (amsdu_to_msdu(padapter, prframe) != - _SUCCESS) - r8712_free_recvframe(prframe, - &precvpriv->free_recv_queue); + amsdu_to_msdu(padapter, prframe); } /* Update local variables. */ bPktInBuf = false; @@ -579,9 +570,9 @@ static int recv_indicatepkt_reorder(struct _adapter *padapter, if (!padapter->driver_stopped && !padapter->surprise_removed) { r8712_recv_indicatepkt(padapter, prframe); - return _SUCCESS; + return 0; } else { - return _FAIL; + return -EINVAL; } } } @@ -603,8 +594,7 @@ static int recv_indicatepkt_reorder(struct _adapter *padapter, * 2. All packets with SeqNum larger than or equal to * WinStart => Buffer it. */ - if (r8712_recv_indicatepkts_in_order(padapter, preorder_ctrl, false) == - true) { + if (r8712_recv_indicatepkts_in_order(padapter, preorder_ctrl, false)) { mod_timer(&preorder_ctrl->reordering_ctrl_timer, jiffies + msecs_to_jiffies(REORDER_WAIT_TIME)); spin_unlock_irqrestore(&ppending_recvframe_queue->lock, irql); @@ -612,10 +602,10 @@ static int recv_indicatepkt_reorder(struct _adapter *padapter, spin_unlock_irqrestore(&ppending_recvframe_queue->lock, irql); del_timer(&preorder_ctrl->reordering_ctrl_timer); } - return _SUCCESS; + return 0; _err_exit: spin_unlock_irqrestore(&ppending_recvframe_queue->lock, irql); - return _FAIL; + return -ENOMEM; } void r8712_reordering_ctrl_timeout_handler(void *pcontext) @@ -641,7 +631,7 @@ static int r8712_process_recv_indicatepkts(struct _adapter *padapter, struct ht_priv *phtpriv = &pmlmepriv->htpriv; if (phtpriv->ht_option == 1) { /*B/G/N Mode*/ - if (recv_indicatepkt_reorder(padapter, prframe) != _SUCCESS) { + if (recv_indicatepkt_reorder(padapter, prframe)) { /* including perform A-MPDU Rx Ordering Buffer Control*/ if (!padapter->driver_stopped && !padapter->surprise_removed) @@ -649,8 +639,8 @@ static int r8712_process_recv_indicatepkts(struct _adapter *padapter, } } else { /*B/G mode*/ retval = r8712_wlanhdr_to_ethhdr(prframe); - if (retval != _SUCCESS) - return retval; + if (retval) + return _FAIL; if (!padapter->driver_stopped && !padapter->surprise_removed) { /* indicate this recv_frame */ r8712_recv_indicatepkt(padapter, prframe); @@ -991,7 +981,7 @@ _exit_recv_func: return retval; } -static int recvbuf2recvframe(struct _adapter *padapter, struct sk_buff *pskb) +static void recvbuf2recvframe(struct _adapter *padapter, struct sk_buff *pskb) { u8 *pbuf, shift_sz = 0; u8 frag, mf; @@ -1018,7 +1008,7 @@ static int recvbuf2recvframe(struct _adapter *padapter, struct sk_buff *pskb) /* In this case, it means the MAX_RECVBUF_SZ is too small to * get the data from 8712u. */ - return _FAIL; + return; } do { prxstat = (struct recv_stat *)pbuf; @@ -1031,13 +1021,13 @@ static int recvbuf2recvframe(struct _adapter *padapter, struct sk_buff *pskb) drvinfo_sz = (le32_to_cpu(prxstat->rxdw0) & 0x000f0000) >> 16; drvinfo_sz <<= 3; if (pkt_len <= 0) - goto _exit_recvbuf2recvframe; + return; /* Qos data, wireless lan header length is 26 */ if ((le32_to_cpu(prxstat->rxdw0) >> 23) & 0x01) shift_sz = 2; precvframe = r8712_alloc_recvframe(pfree_recv_queue); if (!precvframe) - goto _exit_recvbuf2recvframe; + return; INIT_LIST_HEAD(&precvframe->u.hdr.list); precvframe->u.hdr.precvbuf = NULL; /*can't access the precvbuf*/ precvframe->u.hdr.len = 0; @@ -1068,7 +1058,7 @@ static int recvbuf2recvframe(struct _adapter *padapter, struct sk_buff *pskb) } else { precvframe->u.hdr.pkt = skb_clone(pskb, GFP_ATOMIC); if (!precvframe->u.hdr.pkt) - return _FAIL; + return; precvframe->u.hdr.rx_head = pbuf; precvframe->u.hdr.rx_data = pbuf; precvframe->u.hdr.rx_tail = pbuf; @@ -1088,8 +1078,6 @@ static int recvbuf2recvframe(struct _adapter *padapter, struct sk_buff *pskb) precvframe = NULL; pkt_copy = NULL; } while ((transfer_len > 0) && pkt_cnt > 0); -_exit_recvbuf2recvframe: - return _SUCCESS; } static void recv_tasklet(void *priv) |