diff options
Diffstat (limited to 'drivers/staging/rtl8712/rtl871x_xmit.c')
| -rw-r--r-- | drivers/staging/rtl8712/rtl871x_xmit.c | 65 |
1 files changed, 32 insertions, 33 deletions
diff --git a/drivers/staging/rtl8712/rtl871x_xmit.c b/drivers/staging/rtl8712/rtl871x_xmit.c index 0a26d71e5340..cc5809e49e35 100644 --- a/drivers/staging/rtl8712/rtl871x_xmit.c +++ b/drivers/staging/rtl8712/rtl871x_xmit.c @@ -49,8 +49,8 @@ void _r8712_init_sta_xmit_priv(struct sta_xmit_priv *psta_xmitpriv) INIT_LIST_HEAD(&psta_xmitpriv->apsd); } -sint _r8712_init_xmit_priv(struct xmit_priv *pxmitpriv, - struct _adapter *padapter) +int _r8712_init_xmit_priv(struct xmit_priv *pxmitpriv, + struct _adapter *padapter) { sint i; struct xmit_buf *pxmitbuf; @@ -79,7 +79,7 @@ sint _r8712_init_xmit_priv(struct xmit_priv *pxmitpriv, kmalloc(NR_XMITFRAME * sizeof(struct xmit_frame) + 4, GFP_ATOMIC); if (!pxmitpriv->pallocated_frame_buf) { pxmitpriv->pxmit_frame_buf = NULL; - return _FAIL; + return -ENOMEM; } pxmitpriv->pxmit_frame_buf = pxmitpriv->pallocated_frame_buf + 4 - ((addr_t) (pxmitpriv->pallocated_frame_buf) & 3); @@ -119,7 +119,7 @@ sint _r8712_init_xmit_priv(struct xmit_priv *pxmitpriv, if (!pxmitpriv->pallocated_xmitbuf) { kfree(pxmitpriv->pallocated_frame_buf); pxmitpriv->pallocated_frame_buf = NULL; - return _FAIL; + return -ENOMEM; } pxmitpriv->pxmitbuf = pxmitpriv->pallocated_xmitbuf + 4 - ((addr_t)(pxmitpriv->pallocated_xmitbuf) & 3); @@ -129,12 +129,12 @@ sint _r8712_init_xmit_priv(struct xmit_priv *pxmitpriv, pxmitbuf->pallocated_buf = kmalloc(MAX_XMITBUF_SZ + XMITBUF_ALIGN_SZ, GFP_ATOMIC); if (!pxmitbuf->pallocated_buf) - return _FAIL; + return -ENOMEM; pxmitbuf->pbuf = pxmitbuf->pallocated_buf + XMITBUF_ALIGN_SZ - ((addr_t) (pxmitbuf->pallocated_buf) & (XMITBUF_ALIGN_SZ - 1)); if (r8712_xmit_resource_alloc(padapter, pxmitbuf)) - return _FAIL; + return -ENOMEM; list_add_tail(&pxmitbuf->list, &(pxmitpriv->free_xmitbuf_queue.queue)); pxmitbuf++; @@ -146,7 +146,7 @@ sint _r8712_init_xmit_priv(struct xmit_priv *pxmitpriv, tasklet_init(&pxmitpriv->xmit_tasklet, (void(*)(unsigned long))r8712_xmit_bh, (unsigned long)padapter); - return _SUCCESS; + return 0; } void _free_xmit_priv(struct xmit_priv *pxmitpriv) @@ -173,8 +173,8 @@ void _free_xmit_priv(struct xmit_priv *pxmitpriv) free_hwxmits(padapter); } -sint r8712_update_attrib(struct _adapter *padapter, _pkt *pkt, - struct pkt_attrib *pattrib) +int r8712_update_attrib(struct _adapter *padapter, _pkt *pkt, + struct pkt_attrib *pattrib) { struct pkt_file pktfile; struct sta_info *psta = NULL; @@ -224,7 +224,7 @@ sint r8712_update_attrib(struct _adapter *padapter, _pkt *pkt, } else if (check_fwstate(pmlmepriv, WIFI_MP_STATE)) { /*firstly, filter packet not belongs to mp*/ if (pattrib->ether_type != 0x8712) - return _FAIL; + return -EINVAL; /* for mp storing the txcmd per packet, * according to the info of txcmd to update pattrib */ @@ -271,7 +271,7 @@ sint r8712_update_attrib(struct _adapter *padapter, _pkt *pkt, } else { psta = r8712_get_stainfo(pstapriv, pattrib->ra); if (psta == NULL) /* drop the pkt */ - return _FAIL; + return -ENOMEM; if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)) pattrib->mac_id = 5; else @@ -283,7 +283,7 @@ sint r8712_update_attrib(struct _adapter *padapter, _pkt *pkt, pattrib->psta = psta; } else { /* if we cannot get psta => drrp the pkt */ - return _FAIL; + return -ENOMEM; } pattrib->ack_policy = 0; @@ -301,7 +301,7 @@ sint r8712_update_attrib(struct _adapter *padapter, _pkt *pkt, pattrib->encrypt = 0; if ((pattrib->ether_type != 0x888e) && !check_fwstate(pmlmepriv, WIFI_MP_STATE)) - return _FAIL; + return -EINVAL; } else { GET_ENCRY_ALGO(psecuritypriv, psta, pattrib->encrypt, bmcast); } @@ -315,7 +315,7 @@ sint r8712_update_attrib(struct _adapter *padapter, _pkt *pkt, pattrib->iv_len = 8; pattrib->icv_len = 4; if (padapter->securitypriv.busetkipkey == _FAIL) - return _FAIL; + return -EINVAL; break; case _AES_: pattrib->iv_len = 8; @@ -339,11 +339,11 @@ sint r8712_update_attrib(struct _adapter *padapter, _pkt *pkt, if (check_fwstate(pmlmepriv, WIFI_MP_STATE)) pattrib->priority = (le32_to_cpu(txdesc.txdw1) >> QSEL_SHT) & 0x1f; - return _SUCCESS; + return 0; } -static sint xmitframe_addmic(struct _adapter *padapter, - struct xmit_frame *pxmitframe) +static int xmitframe_addmic(struct _adapter *padapter, + struct xmit_frame *pxmitframe) { u32 curfragnum, length; u8 *pframe, *payload, mic[8]; @@ -372,7 +372,7 @@ static sint xmitframe_addmic(struct _adapter *padapter, if (!memcmp(psecuritypriv->XGrptxmickey [psecuritypriv->XGrpKeyid].skey, null_key, 16)) - return _FAIL; + return -ENOMEM; /*start to calculate the mic code*/ r8712_secmicsetkey(&micdata, psecuritypriv-> @@ -381,7 +381,7 @@ static sint xmitframe_addmic(struct _adapter *padapter, } else { if (!memcmp(&stainfo->tkiptxmickey.skey[0], null_key, 16)) - return _FAIL; + return -ENOMEM; /* start to calculate the mic code */ r8712_secmicsetkey(&micdata, &stainfo->tkiptxmickey.skey[0]); @@ -442,7 +442,7 @@ static sint xmitframe_addmic(struct _adapter *padapter, payload = payload - pattrib->last_txcmdsz + 8; } } - return _SUCCESS; + return 0; } static sint xmitframe_swencrypt(struct _adapter *padapter, @@ -469,8 +469,8 @@ static sint xmitframe_swencrypt(struct _adapter *padapter, return _SUCCESS; } -static sint make_wlanhdr(struct _adapter *padapter, u8 *hdr, - struct pkt_attrib *pattrib) +static int make_wlanhdr(struct _adapter *padapter, u8 *hdr, + struct pkt_attrib *pattrib) { u16 *qc; @@ -509,7 +509,7 @@ static sint make_wlanhdr(struct _adapter *padapter, u8 *hdr, memcpy(pwlanhdr->addr3, get_bssid(pmlmepriv), ETH_ALEN); } else { - return _FAIL; + return -EINVAL; } if (pattrib->encrypt) @@ -547,7 +547,7 @@ static sint make_wlanhdr(struct _adapter *padapter, u8 *hdr, } } } - return _SUCCESS; + return 0; } static sint r8712_put_snap(u8 *data, u16 h_proto) @@ -605,7 +605,7 @@ sint r8712_xmitframe_coalesce(struct _adapter *padapter, _pkt *pkt, pbuf_start = pxmitframe->buf_addr; ptxdesc = pbuf_start; mem_start = pbuf_start + TXDESC_OFFSET; - if (make_wlanhdr(padapter, mem_start, pattrib) == _FAIL) + if (make_wlanhdr(padapter, mem_start, pattrib)) return _FAIL; _r8712_open_pktfile(pkt, &pktfile); _r8712_pktfile_read(&pktfile, NULL, (uint) pattrib->pkt_hdrlen); @@ -696,7 +696,7 @@ sint r8712_xmitframe_coalesce(struct _adapter *padapter, _pkt *pkt, memcpy(mem_start, pbuf_start + TXDESC_OFFSET, pattrib->hdrlen); } - if (xmitframe_addmic(padapter, pxmitframe) == _FAIL) + if (xmitframe_addmic(padapter, pxmitframe)) return _FAIL; xmitframe_swencrypt(padapter, pxmitframe); return _SUCCESS; @@ -753,19 +753,18 @@ struct xmit_buf *r8712_alloc_xmitbuf(struct xmit_priv *pxmitpriv) return pxmitbuf; } -int r8712_free_xmitbuf(struct xmit_priv *pxmitpriv, struct xmit_buf *pxmitbuf) +void r8712_free_xmitbuf(struct xmit_priv *pxmitpriv, struct xmit_buf *pxmitbuf) { unsigned long irqL; struct __queue *pfree_xmitbuf_queue = &pxmitpriv->free_xmitbuf_queue; if (pxmitbuf == NULL) - return _FAIL; + return; spin_lock_irqsave(&pfree_xmitbuf_queue->lock, irqL); list_del_init(&pxmitbuf->list); list_add_tail(&(pxmitbuf->list), &pfree_xmitbuf_queue->queue); pxmitpriv->free_xmitbuf_cnt++; spin_unlock_irqrestore(&pfree_xmitbuf_queue->lock, irqL); - return _SUCCESS; } /* @@ -894,8 +893,8 @@ static inline struct tx_servq *get_sta_pending(struct _adapter *padapter, * Will enqueue pxmitframe to the proper queue, and indicate it * to xx_pending list..... */ -sint r8712_xmit_classifier(struct _adapter *padapter, - struct xmit_frame *pxmitframe) +int r8712_xmit_classifier(struct _adapter *padapter, + struct xmit_frame *pxmitframe) { unsigned long irqL0; struct __queue *pstapending; @@ -920,7 +919,7 @@ sint r8712_xmit_classifier(struct _adapter *padapter, } } if (psta == NULL) - return _FAIL; + return -EINVAL; ptxservq = get_sta_pending(padapter, &pstapending, psta, pattrib->priority); spin_lock_irqsave(&pstapending->lock, irqL0); @@ -929,7 +928,7 @@ sint r8712_xmit_classifier(struct _adapter *padapter, list_add_tail(&pxmitframe->list, &ptxservq->sta_pending.queue); ptxservq->qcnt++; spin_unlock_irqrestore(&pstapending->lock, irqL0); - return _SUCCESS; + return 0; } static void alloc_hwxmits(struct _adapter *padapter) |