FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
more details.
- You should have received a copy of the GNU General Public License along with
- this program; if not, write to the Free Software Foundation, Inc., 59
- Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-
The full GNU General Public License is included in this distribution in the
file called LICENSE.
*
*
* 802.11 frame_control for data frames - 2 bytes
- * ,-----------------------------------------------------------------------------------------.
- * bits | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | a | b | c | d | e |
- * |----|-----|-----|-----|-----|-----|-----|-----|-----|-----|-----|-----|-----|-----|------|
- * val | 0 | 0 | 0 | 1 | x | 0 | 0 | 0 | 1 | 0 | x | x | x | x | x |
- * |----|-----|-----|-----|-----|-----|-----|-----|-----|-----|-----|-----|-----|-----|------|
- * desc | ^-ver-^ | ^type-^ | ^-----subtype-----^ | to |from |more |retry| pwr |more |wep |
- * | | | x=0 data,x=1 data+ack | DS | DS |frag | | mgm |data | |
- * '-----------------------------------------------------------------------------------------'
- * /\
- * |
- * 802.11 Data Frame |
- * ,--------- 'ctrl' expands to >-----------'
+ * ,--------------------------------------------------------------------.
+ * bits | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | a | b | c | d | e |
+ * |---|---|---|---|---|---|---|---|---|----|----|-----|-----|-----|----|
+ * val | 0 | 0 | 0 | 1 | x | 0 | 0 | 0 | 1 | 0 | x | x | x | x | x |
+ * |---|---|---|---|---|---|---|---|---|----|----|-----|-----|-----|----|
+ * desc | ver | type | ^-subtype-^ |to |from|more|retry| pwr |more |wep |
+ * | | | x=0 data |DS | DS |frag| | mgm |data | |
+ * | | | x=1 data+ack | | | | | | | |
+ * '--------------------------------------------------------------------'
+ * /\
+ * |
+ * 802.11 Data Frame |
+ * ,--------- 'ctrl' expands to >---'
* |
* ,--'---,-------------------------------------------------------------.
* Bytes | 2 | 2 | 6 | 6 | 6 | 2 | 0..2312 | 4 |
* `-----------------------------------------'
* Total: 18 non-data bytes
*
- * In the event that fragmentation is required, the incoming payload is split into
- * N parts of size ieee->fts. The first fragment contains the SNAP header and the
- * remaining packets are just data.
+ * In the event that fragmentation is required, the incoming payload is split
+ * into N parts of size ieee->fts. The first fragment contains the SNAP header
+ * and the remaining packets are just data.
*
- * If encryption is enabled, each fragment payload size is reduced by enough space
- * to add the prefix and postfix (IV and ICV totalling 8 bytes in the case of WEP)
- * So if you have 1500 bytes of payload with ieee->fts set to 500 without
- * encryption it will take 3 frames. With WEP it will take 4 frames as the
- * payload of each frame is reduced to 492 bytes.
+ * If encryption is enabled, each fragment payload size is reduced by enough
+ * space to add the prefix and postfix (IV and ICV totalling 8 bytes in
+ * the case of WEP) So if you have 1500 bytes of payload with ieee->fts set to
+ * 500 without encryption it will take 3 frames. With WEP it will take 4 frames
+ * as the payload of each frame is reduced to 492 bytes.
*
* SKB visualization
*
static u8 P802_1H_OUI[P80211_OUI_LEN] = { 0x00, 0x00, 0xf8 };
static u8 RFC1042_OUI[P80211_OUI_LEN] = { 0x00, 0x00, 0x00 };
-inline int rtllib_put_snap(u8 *data, u16 h_proto)
+static int rtllib_put_snap(u8 *data, u16 h_proto)
{
struct rtllib_snap_hdr *snap;
u8 *oui;
if (res < 0) {
netdev_info(ieee->dev, "%s: Encryption failed: len=%d.\n",
ieee->dev->name, frag->len);
- ieee->ieee_stats.tx_discards++;
return -1;
}
if (eth->h_proto != htons(ETH_P_IP))
return 0;
- RTLLIB_DEBUG_DATA(RTLLIB_DL_DATA, skb->data, skb->len);
+#ifdef VERBOSE_DEBUG
+ print_hex_dump_bytes("rtllib_classify(): ", DUMP_PREFIX_NONE, skb->data,
+ skb->len);
+#endif
ip = ip_hdr(skb);
switch (ip->tos & 0xfc) {
case 0x20:
if (ieee->current_network.capability & WLAN_CAPABILITY_SHORT_PREAMBLE)
tcb_desc->bUseShortPreamble = true;
if (ieee->iw_mode == IW_MODE_MASTER)
- goto NO_PROTECTION;
+ goto NO_PROTECTION;
return;
NO_PROTECTION:
tcb_desc->bRTSEnable = false;
}
}
-u16 rtllib_query_seqnum(struct rtllib_device *ieee, struct sk_buff *skb,
- u8 *dst)
+static u16 rtllib_query_seqnum(struct rtllib_device *ieee, struct sk_buff *skb,
+ u8 *dst)
{
u16 seqnum = 0;
return ieee->rate & 0x7F;
}
-int rtllib_xmit_inter(struct sk_buff *skb, struct net_device *dev)
+static int rtllib_xmit_inter(struct sk_buff *skb, struct net_device *dev)
{
struct rtllib_device *ieee = (struct rtllib_device *)
netdev_priv_rsl(dev);
.seq_ctl = 0,
.qos_ctl = 0
};
- u8 dest[ETH_ALEN], src[ETH_ALEN];
int qos_actived = ieee->current_network.qos_data.active;
+ u8 dest[ETH_ALEN];
+ u8 src[ETH_ALEN];
struct lib80211_crypt_data *crypt = NULL;
struct cb_desc *tcb_desc;
u8 bIsMulticast = false;
goto success;
}
/* Save source and destination addresses */
- memcpy(dest, skb->data, ETH_ALEN);
- memcpy(src, skb->data+ETH_ALEN, ETH_ALEN);
+ ether_addr_copy(dest, skb->data);
+ ether_addr_copy(src, skb->data + ETH_ALEN);
memset(skb->cb, 0, sizeof(skb->cb));
ether_type = ntohs(((struct ethhdr *)skb->data)->h_proto);
}
if (skb->len > 282) {
- if (ETH_P_IP == ether_type) {
+ if (ether_type == ETH_P_IP) {
const struct iphdr *ip = (struct iphdr *)
((u8 *)skb->data+14);
- if (IPPROTO_UDP == ip->protocol) {
+ if (ip->protocol == IPPROTO_UDP) {
struct udphdr *udp;
udp = (struct udphdr *)((u8 *)ip +
ieee->LPSDelayCnt = 200;
}
}
- } else if (ETH_P_ARP == ether_type) {
+ } else if (ether_type == ETH_P_ARP) {
netdev_info(ieee->dev,
"=================>DHCP Protocol start tx ARP pkt!!\n");
bdhcp = true;
struct eapol *eap = (struct eapol *)(skb->data +
sizeof(struct ethhdr) - SNAP_SIZE -
sizeof(u16));
- RTLLIB_DEBUG_EAP("TX: IEEE 802.11 EAPOL frame: %s\n",
- eap_get_type(eap->type));
+ netdev_dbg(ieee->dev,
+ "TX: IEEE 802.11 EAPOL frame: %s\n",
+ eap_get_type(eap->type));
}
/* Advance the SKB to the start of the payload */
/* To DS: Addr1 = BSSID, Addr2 = SA,
* Addr3 = DA
*/
- memcpy(&header.addr1, ieee->current_network.bssid,
- ETH_ALEN);
- memcpy(&header.addr2, &src, ETH_ALEN);
+ ether_addr_copy(header.addr1,
+ ieee->current_network.bssid);
+ ether_addr_copy(header.addr2, src);
if (IsAmsdu)
- memcpy(&header.addr3,
- ieee->current_network.bssid, ETH_ALEN);
+ ether_addr_copy(header.addr3,
+ ieee->current_network.bssid);
else
- memcpy(&header.addr3, &dest, ETH_ALEN);
+ ether_addr_copy(header.addr3, dest);
} else if (ieee->iw_mode == IW_MODE_ADHOC) {
/* not From/To DS: Addr1 = DA, Addr2 = SA,
* Addr3 = BSSID
*/
- memcpy(&header.addr1, dest, ETH_ALEN);
- memcpy(&header.addr2, src, ETH_ALEN);
- memcpy(&header.addr3, ieee->current_network.bssid,
- ETH_ALEN);
+ ether_addr_copy(header.addr1, dest);
+ ether_addr_copy(header.addr2, src);
+ ether_addr_copy(header.addr3,
+ ieee->current_network.bssid);
}
bIsMulticast = is_multicast_ether_addr(header.addr1);
Code Review / kvmfornfv.git / blobdiff