These changes are the raw update to linux-4.4.6-rt14. Kernel sources
[kvmfornfv.git] / kernel / drivers / staging / rtl8712 / rtl871x_recv.c
index 046a46c..4ff5301 100644 (file)
@@ -83,7 +83,7 @@ sint _r8712_init_recv_priv(struct recv_priv *precvpriv,
        precvpriv->precv_frame_buf = precvpriv->pallocated_frame_buf +
                                    RXFRAME_ALIGN_SZ -
                                    ((addr_t)(precvpriv->pallocated_frame_buf) &
-                                   (RXFRAME_ALIGN_SZ-1));
+                                   (RXFRAME_ALIGN_SZ - 1));
        precvframe = (union recv_frame *)precvpriv->precv_frame_buf;
        for (i = 0; i < NR_RECVFRAME; i++) {
                INIT_LIST_HEAD(&(precvframe->u.list));
@@ -112,9 +112,9 @@ union recv_frame *r8712_alloc_recvframe(struct  __queue *pfree_recv_queue)
        struct recv_priv *precvpriv;
 
        spin_lock_irqsave(&pfree_recv_queue->lock, irqL);
-       if (list_empty(&pfree_recv_queue->queue))
+       if (list_empty(&pfree_recv_queue->queue)) {
                precvframe = NULL;
-       else {
+       else {
                phead = &pfree_recv_queue->queue;
                plist = phead->next;
                precvframe = LIST_CONTAINOR(plist, union recv_frame, u);
@@ -147,7 +147,7 @@ void r8712_free_recvframe_queue(struct  __queue *pframequeue,
        spin_lock(&pframequeue->lock);
        phead = &pframequeue->queue;
        plist = phead->next;
-       while (end_of_queue_search(phead, plist) == false) {
+       while (!end_of_queue_search(phead, plist)) {
                precvframe = LIST_CONTAINOR(plist, union recv_frame, u);
                plist = plist->next;
                r8712_free_recvframe(precvframe, pfree_recv_queue);
@@ -178,10 +178,11 @@ sint r8712_recvframe_chkmic(struct _adapter *adapter,
                                idx = iv[3];
                                mickey = &psecuritypriv->XGrprxmickey[(((idx >>
                                         6) & 0x3)) - 1].skey[0];
-                               if (psecuritypriv->binstallGrpkey == false)
+                               if (!psecuritypriv->binstallGrpkey)
                                        return _FAIL;
-                       } else
+                       } else {
                                mickey = &stainfo->tkiprxmickey.skey[0];
+                       }
                        /*icv_len included the mic code*/
                        datalen = precvframe->u.hdr.len - prxattrib->hdrlen -
                                  prxattrib->iv_len - prxattrib->icv_len - 8;
@@ -197,16 +198,15 @@ sint r8712_recvframe_chkmic(struct _adapter *adapter,
                                if (miccode[i] != *(pframemic + i))
                                        bmic_err = true;
                        }
-                       if (bmic_err == true) {
-                               if (prxattrib->bdecrypted == true)
+                       if (bmic_err) {
+                               if (prxattrib->bdecrypted)
                                        r8712_handle_tkip_mic_err(adapter,
                                                (u8)IS_MCAST(prxattrib->ra));
                                res = _FAIL;
                        } else {
                                /* mic checked ok */
-                               if ((psecuritypriv->bcheck_grpkey ==
-                                    false) && (IS_MCAST(prxattrib->ra) ==
-                                    true))
+                               if (!psecuritypriv->bcheck_grpkey &&
+                                   IS_MCAST(prxattrib->ra))
                                        psecuritypriv->bcheck_grpkey = true;
                        }
                        recvframe_pull_tail(precvframe, 8);
@@ -224,7 +224,7 @@ union recv_frame *r8712_decryptor(struct _adapter *padapter,
        union recv_frame *return_packet = precv_frame;
 
        if ((prxattrib->encrypt > 0) && ((prxattrib->bdecrypted == 0) ||
-          (psecuritypriv->sw_decrypt == true))) {
+           psecuritypriv->sw_decrypt)) {
                psecuritypriv->hw_decrypted = false;
                switch (prxattrib->encrypt) {
                case _WEP40_:
@@ -240,8 +240,9 @@ union recv_frame *r8712_decryptor(struct _adapter *padapter,
                default:
                                break;
                }
-       } else if (prxattrib->bdecrypted == 1)
+       } else if (prxattrib->bdecrypted == 1) {
                psecuritypriv->hw_decrypted = true;
+       }
        return return_packet;
 }
 /*###set the security information in the recv_frame */
@@ -271,9 +272,9 @@ union recv_frame *r8712_portctrl(struct _adapter *adapter,
                if ((psta != NULL) && (psta->ieee8021x_blocked)) {
                        /* blocked
                         * only accept EAPOL frame */
-                       if (ether_type == 0x888e)
+                       if (ether_type == 0x888e) {
                                prtnframe = precv_frame;
-                       else {
+                       else {
                                /*free this frame*/
                                r8712_free_recvframe(precv_frame,
                                         &adapter->recvpriv.free_recv_queue);
@@ -290,8 +291,9 @@ union recv_frame *r8712_portctrl(struct _adapter *adapter,
                                prtnframe = precv_frame;
                        }
                }
-       } else
+       } else {
                prtnframe = precv_frame;
+       }
        return prtnframe;
 }
 
@@ -299,7 +301,7 @@ static sint recv_decache(union recv_frame *precv_frame, u8 bretry,
                  struct stainfo_rxcache *prxcache)
 {
        sint tid = precv_frame->u.hdr.attrib.priority;
-       u16 seq_ctrl = ((precv_frame->u.hdr.attrib.seq_num&0xffff) << 4) |
+       u16 seq_ctrl = ((precv_frame->u.hdr.attrib.seq_num & 0xffff) << 4) |
                        (precv_frame->u.hdr.attrib.frag_num & 0xf);
 
        if (tid > 15)
@@ -324,8 +326,8 @@ static sint sta2sta_data_frame(struct _adapter *adapter,
        u8 *sta_addr = NULL;
        sint bmcast = IS_MCAST(pattrib->dst);
 
-       if ((check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == true) ||
-           (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) == true)) {
+       if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) ||
+           check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)) {
                /* filter packets that SA is myself or multicast or broadcast */
                if (!memcmp(myhwaddr, pattrib->src, ETH_ALEN))
                        return _FAIL;
@@ -336,13 +338,13 @@ static sint sta2sta_data_frame(struct _adapter *adapter,
                    (memcmp(pattrib->bssid, mybssid, ETH_ALEN)))
                        return _FAIL;
                sta_addr = pattrib->src;
-       } else if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) == true) {
+       } else if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)) {
                /* For Station mode, sa and bssid should always be BSSID,
                 * and DA is my mac-address */
                if (memcmp(pattrib->bssid, pattrib->src, ETH_ALEN))
                        return _FAIL;
               sta_addr = pattrib->bssid;
-        } else if (check_fwstate(pmlmepriv, WIFI_AP_STATE) == true) {
+       } else if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) {
                if (bmcast) {
                        /* For AP mode, if DA == MCAST, then BSSID should
                         * be also MCAST */
@@ -355,21 +357,22 @@ static sint sta2sta_data_frame(struct _adapter *adapter,
                                return _FAIL;
                        sta_addr = pattrib->src;
                }
-         } else if (check_fwstate(pmlmepriv, WIFI_MP_STATE) == true) {
+       } else if (check_fwstate(pmlmepriv, WIFI_MP_STATE)) {
                memcpy(pattrib->dst, GetAddr1Ptr(ptr), ETH_ALEN);
                memcpy(pattrib->src, GetAddr2Ptr(ptr), ETH_ALEN);
                memcpy(pattrib->bssid, GetAddr3Ptr(ptr), ETH_ALEN);
                memcpy(pattrib->ra, pattrib->dst, ETH_ALEN);
                memcpy(pattrib->ta, pattrib->src, ETH_ALEN);
                sta_addr = mybssid;
-         } else
+       } else {
                ret  = _FAIL;
+       }
        if (bmcast)
                *psta = r8712_get_bcmc_stainfo(adapter);
        else
                *psta = r8712_get_stainfo(pstapriv, sta_addr); /* get ap_info */
        if (*psta == NULL) {
-               if (check_fwstate(pmlmepriv, WIFI_MP_STATE) == true)
+               if (check_fwstate(pmlmepriv, WIFI_MP_STATE))
                        adapter->mppriv.rx_pktloss++;
                return _FAIL;
        }
@@ -388,8 +391,8 @@ static sint ap2sta_data_frame(struct _adapter *adapter,
        u8 *myhwaddr = myid(&adapter->eeprompriv);
        sint bmcast = IS_MCAST(pattrib->dst);
 
-       if ((check_fwstate(pmlmepriv, WIFI_STATION_STATE) == true)
-            && (check_fwstate(pmlmepriv, _FW_LINKED) == true)) {
+       if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) &&
+           check_fwstate(pmlmepriv, _FW_LINKED)) {
                /* if NULL-frame, drop packet */
                if ((GetFrameSubType(ptr)) == WIFI_DATA_NULL)
                        return _FAIL;
@@ -419,8 +422,8 @@ static sint ap2sta_data_frame(struct _adapter *adapter,
                       *psta = r8712_get_stainfo(pstapriv, pattrib->bssid);
                if (*psta == NULL)
                        return _FAIL;
-       } else if ((check_fwstate(pmlmepriv, WIFI_MP_STATE) == true) &&
-                  (check_fwstate(pmlmepriv, _FW_LINKED) == true)) {
+       } else if (check_fwstate(pmlmepriv, WIFI_MP_STATE) &&
+                  check_fwstate(pmlmepriv, _FW_LINKED)) {
                memcpy(pattrib->dst, GetAddr1Ptr(ptr), ETH_ALEN);
                memcpy(pattrib->src, GetAddr2Ptr(ptr), ETH_ALEN);
                memcpy(pattrib->bssid, GetAddr3Ptr(ptr), ETH_ALEN);
@@ -430,8 +433,9 @@ static sint ap2sta_data_frame(struct _adapter *adapter,
                *psta = r8712_get_stainfo(pstapriv, pattrib->bssid);
                if (*psta == NULL)
                        return _FAIL;
-       } else
+       } else {
                return _FAIL;
+       }
        return _SUCCESS;
 }
 
@@ -444,7 +448,7 @@ static sint sta2ap_data_frame(struct _adapter *adapter,
        struct  mlme_priv *pmlmepriv = &adapter->mlmepriv;
        unsigned char *mybssid  = get_bssid(pmlmepriv);
 
-       if (check_fwstate(pmlmepriv, WIFI_AP_STATE) == true) {
+       if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) {
                /* For AP mode, if DA is non-MCAST, then it must be BSSID,
                 * and bssid == BSSID
                 * For AP mode, RA=BSSID, TX=STA(SRC_ADDR), A3=DST_ADDR */
@@ -630,10 +634,10 @@ sint r8712_wlanhdr_to_ethhdr(union recv_frame *precvframe)
        rmv_len = pattrib->hdrlen + pattrib->iv_len +
                  (bsnaphdr ? SNAP_SIZE : 0);
        len = precvframe->u.hdr.len - rmv_len;
-       if (check_fwstate(pmlmepriv, WIFI_MP_STATE) == true) {
+       if (check_fwstate(pmlmepriv, WIFI_MP_STATE)) {
                ptr += rmv_len;
                *ptr = 0x87;
-               *(ptr+1) = 0x12;
+               *(ptr + 1) = 0x12;
                /* append rx status for mp test packets */
                ptr = recvframe_pull(precvframe, (rmv_len -
                      sizeof(struct ethhdr) + 2) - 24);
@@ -644,7 +648,7 @@ sint r8712_wlanhdr_to_ethhdr(union recv_frame *precvframe)
                      sizeof(struct ethhdr) + (bsnaphdr ? 2 : 0)));
 
        memcpy(ptr, pattrib->dst, ETH_ALEN);
-       memcpy(ptr+ETH_ALEN, pattrib->src, ETH_ALEN);
+       memcpy(ptr + ETH_ALEN, pattrib->src, ETH_ALEN);
        if (!bsnaphdr) {
                len = htons(len);
                memcpy(ptr + 12, &len, 2);