Driver has code which does Network address translation (NAT), and
i don't see how this code is useful for driver.
navin patidar (9):
staging: rtl8188eu: Remove function rtw_br_client_tx()
staging: rtl8188eu: Remove unused functons defined in rtw_br_ext.c
staging: rtl8188eu: Remove function nat25_db_cleanup()
staging: rtl8188eu: Remove pppoe_connection_in_progress from struct
adapter
staging: rtl8188eu: Remove function nat25_db_expire()
staging: rtl8188eu: Remove function netdev_br_init()
staging: rtl8188eu: core: Remove file rtw_br_ext.c
staging: rtl8188eu: Remove unused members of struct adapter
staging: rtl8188eu: Remove file rtw_br_ext.h
drivers/staging/rtl8188eu/Makefile | 1 -
drivers/staging/rtl8188eu/core/rtw_br_ext.c | 1118 ------------------------
drivers/staging/rtl8188eu/core/rtw_cmd.c | 4 +-
drivers/staging/rtl8188eu/core/rtw_mlme.c | 18 -
drivers/staging/rtl8188eu/core/rtw_xmit.c | 135 ---
drivers/staging/rtl8188eu/include/drv_types.h | 10 -
drivers/staging/rtl8188eu/include/rtw_br_ext.h | 66 --
drivers/staging/rtl8188eu/include/usb_osintf.h | 3 -
drivers/staging/rtl8188eu/os_dep/os_intfs.c | 31 -
9 files changed, 1 insertion(+), 1385 deletions(-)
delete mode 100644 drivers/staging/rtl8188eu/core/rtw_br_ext.c
delete mode 100644 drivers/staging/rtl8188eu/include/rtw_br_ext.h
--
1.7.10.4
This patch removes some functions defined in rtw_br_ext.c, which have become
obsolete after removal of rtw_br_client_tx().
Signed-off-by: navin patidar <[email protected]>
---
drivers/staging/rtl8188eu/core/rtw_br_ext.c | 727 ------------------------
drivers/staging/rtl8188eu/include/usb_osintf.h | 1 -
2 files changed, 728 deletions(-)
diff --git a/drivers/staging/rtl8188eu/core/rtw_br_ext.c b/drivers/staging/rtl8188eu/core/rtw_br_ext.c
index 70b8f07..8689912 100644
--- a/drivers/staging/rtl8188eu/core/rtw_br_ext.c
+++ b/drivers/staging/rtl8188eu/core/rtw_br_ext.c
@@ -103,27 +103,6 @@ static inline int __nat25_add_pppoe_tag(struct sk_buff *skb, struct pppoe_tag *t
return data_len;
}
-static int skb_pull_and_merge(struct sk_buff *skb, unsigned char *src, int len)
-{
- int tail_len;
- unsigned long end, tail;
-
- if ((src+len) > skb_tail_pointer(skb) || skb->len < len)
- return -1;
-
- tail = (unsigned long)skb_tail_pointer(skb);
- end = (unsigned long)src+len;
- if (tail < end)
- return -1;
-
- tail_len = (int)(tail-end);
- if (tail_len > 0)
- memmove(src, src+len, tail_len);
-
- skb_trim(skb, skb->len-len);
- return 0;
-}
-
static inline unsigned long __nat25_timeout(struct adapter *priv)
{
unsigned long timeout;
@@ -196,91 +175,6 @@ static inline void __nat25_generate_pppoe_network_addr(unsigned char *networkAdd
memcpy(networkAddr+3, (unsigned char *)ac_mac, 6);
}
-static void __nat25_generate_ipv6_network_addr(unsigned char *networkAddr,
- __be32 *ipAddr)
-{
- memset(networkAddr, 0, MAX_NETWORK_ADDR_LEN);
-
- networkAddr[0] = NAT25_IPV6;
- memcpy(networkAddr+1, (unsigned char *)ipAddr, 16);
-}
-
-static unsigned char *scan_tlv(unsigned char *data, int len, unsigned char tag, unsigned char len8b)
-{
- while (len > 0) {
- if (*data == tag && *(data+1) == len8b && len >= len8b*8)
- return data+2;
-
- len -= (*(data+1))*8;
- data += (*(data+1))*8;
- }
- return NULL;
-}
-
-static int update_nd_link_layer_addr(unsigned char *data, int len, unsigned char *replace_mac)
-{
- struct icmp6hdr *icmphdr = (struct icmp6hdr *)data;
- unsigned char *mac;
-
- if (icmphdr->icmp6_type == NDISC_ROUTER_SOLICITATION) {
- if (len >= 8) {
- mac = scan_tlv(&data[8], len-8, 1, 1);
- if (mac) {
- _DEBUG_INFO("Router Solicitation, replace MAC From: %02x:%02x:%02x:%02x:%02x:%02x, To: %02x:%02x:%02x:%02x:%02x:%02x\n",
- mac[0], mac[1], mac[2], mac[3], mac[4], mac[5],
- replace_mac[0], replace_mac[1], replace_mac[2], replace_mac[3], replace_mac[4], replace_mac[5]);
- memcpy(mac, replace_mac, 6);
- return 1;
- }
- }
- } else if (icmphdr->icmp6_type == NDISC_ROUTER_ADVERTISEMENT) {
- if (len >= 16) {
- mac = scan_tlv(&data[16], len-16, 1, 1);
- if (mac) {
- _DEBUG_INFO("Router Advertisement, replace MAC From: %02x:%02x:%02x:%02x:%02x:%02x, To: %02x:%02x:%02x:%02x:%02x:%02x\n",
- mac[0], mac[1], mac[2], mac[3], mac[4], mac[5],
- replace_mac[0], replace_mac[1], replace_mac[2], replace_mac[3], replace_mac[4], replace_mac[5]);
- memcpy(mac, replace_mac, 6);
- return 1;
- }
- }
- } else if (icmphdr->icmp6_type == NDISC_NEIGHBOUR_SOLICITATION) {
- if (len >= 24) {
- mac = scan_tlv(&data[24], len-24, 1, 1);
- if (mac) {
- _DEBUG_INFO("Neighbor Solicitation, replace MAC From: %02x:%02x:%02x:%02x:%02x:%02x, To: %02x:%02x:%02x:%02x:%02x:%02x\n",
- mac[0], mac[1], mac[2], mac[3], mac[4], mac[5],
- replace_mac[0], replace_mac[1], replace_mac[2], replace_mac[3], replace_mac[4], replace_mac[5]);
- memcpy(mac, replace_mac, 6);
- return 1;
- }
- }
- } else if (icmphdr->icmp6_type == NDISC_NEIGHBOUR_ADVERTISEMENT) {
- if (len >= 24) {
- mac = scan_tlv(&data[24], len-24, 2, 1);
- if (mac) {
- _DEBUG_INFO("Neighbor Advertisement, replace MAC From: %02x:%02x:%02x:%02x:%02x:%02x, To: %02x:%02x:%02x:%02x:%02x:%02x\n",
- mac[0], mac[1], mac[2], mac[3], mac[4], mac[5],
- replace_mac[0], replace_mac[1], replace_mac[2], replace_mac[3], replace_mac[4], replace_mac[5]);
- memcpy(mac, replace_mac, 6);
- return 1;
- }
- }
- } else if (icmphdr->icmp6_type == NDISC_REDIRECT) {
- if (len >= 40) {
- mac = scan_tlv(&data[40], len-40, 2, 1);
- if (mac) {
- _DEBUG_INFO("Redirect, replace MAC From: %02x:%02x:%02x:%02x:%02x:%02x, To: %02x:%02x:%02x:%02x:%02x:%02x\n",
- mac[0], mac[1], mac[2], mac[3], mac[4], mac[5],
- replace_mac[0], replace_mac[1], replace_mac[2], replace_mac[3], replace_mac[4], replace_mac[5]);
- memcpy(mac, replace_mac, 6);
- return 1;
- }
- }
- }
- return 0;
-}
-
static inline int __nat25_network_hash(unsigned char *networkAddr)
{
if (networkAddr[0] == NAT25_IPV4) {
@@ -349,88 +243,6 @@ static inline void __network_hash_unlink(struct nat25_network_db_entry *ent)
ent->pprev_hash = NULL;
}
-static int __nat25_db_network_lookup_and_replace(struct adapter *priv,
- struct sk_buff *skb, unsigned char *networkAddr)
-{
- struct nat25_network_db_entry *db;
- spin_lock_bh(&priv->br_ext_lock);
-
- db = priv->nethash[__nat25_network_hash(networkAddr)];
- while (db != NULL) {
- if (!memcmp(db->networkAddr, networkAddr, MAX_NETWORK_ADDR_LEN)) {
- if (!__nat25_has_expired(priv, db)) {
- /* replace the destination mac address */
- memcpy(skb->data, db->macAddr, ETH_ALEN);
- atomic_inc(&db->use_count);
-
- DEBUG_INFO("NAT25: Lookup M:%02x%02x%02x%02x%02x%02x N:%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x"
- "%02x%02x%02x%02x%02x%02x\n",
- db->macAddr[0],
- db->macAddr[1],
- db->macAddr[2],
- db->macAddr[3],
- db->macAddr[4],
- db->macAddr[5],
- db->networkAddr[0],
- db->networkAddr[1],
- db->networkAddr[2],
- db->networkAddr[3],
- db->networkAddr[4],
- db->networkAddr[5],
- db->networkAddr[6],
- db->networkAddr[7],
- db->networkAddr[8],
- db->networkAddr[9],
- db->networkAddr[10],
- db->networkAddr[11],
- db->networkAddr[12],
- db->networkAddr[13],
- db->networkAddr[14],
- db->networkAddr[15],
- db->networkAddr[16]);
- }
- spin_unlock_bh(&priv->br_ext_lock);
- return 1;
- }
- db = db->next_hash;
- }
- spin_unlock_bh(&priv->br_ext_lock);
- return 0;
-}
-
-static void __nat25_db_network_insert(struct adapter *priv,
- unsigned char *macAddr, unsigned char *networkAddr)
-{
- struct nat25_network_db_entry *db;
- int hash;
-
- spin_lock_bh(&priv->br_ext_lock);
- hash = __nat25_network_hash(networkAddr);
- db = priv->nethash[hash];
- while (db != NULL) {
- if (!memcmp(db->networkAddr, networkAddr, MAX_NETWORK_ADDR_LEN)) {
- ether_addr_copy(db->macAddr, macAddr);
- db->ageing_timer = jiffies;
- spin_unlock_bh(&priv->br_ext_lock);
- return;
- }
- db = db->next_hash;
- }
- db = (struct nat25_network_db_entry *) rtw_malloc(sizeof(*db));
- if (db == NULL) {
- spin_unlock_bh(&priv->br_ext_lock);
- return;
- }
- memcpy(db->networkAddr, networkAddr, MAX_NETWORK_ADDR_LEN);
- ether_addr_copy(db->macAddr, macAddr);
- atomic_set(&db->use_count, 1);
- db->ageing_timer = jiffies;
-
- __network_hash_link(priv, db, hash);
-
- spin_unlock_bh(&priv->br_ext_lock);
-}
-
/*
* NAT2.5 interface
*/
@@ -491,545 +303,6 @@ void nat25_db_expire(struct adapter *priv)
spin_unlock_bh(&priv->br_ext_lock);
}
-int nat25_db_handle(struct adapter *priv, struct sk_buff *skb, int method)
-{
- unsigned short protocol;
- unsigned char networkAddr[MAX_NETWORK_ADDR_LEN];
- unsigned int tmp;
-
- if (skb == NULL)
- return -1;
-
- if ((method <= NAT25_MIN) || (method >= NAT25_MAX))
- return -1;
-
- protocol = be16_to_cpu(*((__be16 *)(skb->data + 2 * ETH_ALEN)));
-
- /*---------------------------------------------------*/
- /* Handle IP frame */
- /*---------------------------------------------------*/
- if (protocol == ETH_P_IP) {
- struct iphdr *iph = (struct iphdr *)(skb->data + ETH_HLEN);
-
- if (((unsigned char *)(iph) + (iph->ihl<<2)) >= (skb->data + ETH_HLEN + skb->len)) {
- DEBUG_WARN("NAT25: malformed IP packet !\n");
- return -1;
- }
-
- switch (method) {
- case NAT25_CHECK:
- return -1;
- case NAT25_INSERT:
- /* some multicast with source IP is all zero, maybe other case is illegal */
- /* in class A, B, C, host address is all zero or all one is illegal */
- if (iph->saddr == 0)
- return 0;
- tmp = be32_to_cpu(iph->saddr);
- DEBUG_INFO("NAT25: Insert IP, SA =%08x, DA =%08x\n", tmp, iph->daddr);
- __nat25_generate_ipv4_network_addr(networkAddr, &tmp);
- /* record source IP address and , source mac address into db */
- __nat25_db_network_insert(priv, skb->data+ETH_ALEN, networkAddr);
-
- return 0;
- case NAT25_LOOKUP:
- DEBUG_INFO("NAT25: Lookup IP, SA =%08x, DA =%08x\n", iph->saddr, iph->daddr);
- tmp = be32_to_cpu(iph->daddr);
- __nat25_generate_ipv4_network_addr(networkAddr, &tmp);
-
- if (!__nat25_db_network_lookup_and_replace(priv, skb, networkAddr)) {
- if (*((unsigned char *)&iph->daddr + 3) == 0xff) {
- /* L2 is unicast but L3 is broadcast, make L2 bacome broadcast */
- DEBUG_INFO("NAT25: Set DA as broadcast\n");
- memset(skb->data, 0xff, ETH_ALEN);
- } else {
- /* forward unknown IP packet to upper TCP/IP */
- DEBUG_INFO("NAT25: Replace DA with BR's MAC\n");
- if ((*(u32 *)priv->br_mac) == 0 && (*(u16 *)(priv->br_mac+4)) == 0) {
- netdev_info(skb->dev,
- "Re-init netdev_br_init() due to br_mac == 0!\n");
- netdev_br_init(priv->pnetdev);
- }
- memcpy(skb->data, priv->br_mac, ETH_ALEN);
- }
- }
- return 0;
- default:
- return -1;
- }
- } else if (protocol == ETH_P_ARP) {
- /*---------------------------------------------------*/
- /* Handle ARP frame */
- /*---------------------------------------------------*/
- struct arphdr *arp = (struct arphdr *)(skb->data + ETH_HLEN);
- unsigned char *arp_ptr = (unsigned char *)(arp + 1);
- unsigned int *sender, *target;
-
- if (arp->ar_pro != __constant_htons(ETH_P_IP)) {
- DEBUG_WARN("NAT25: arp protocol unknown (%4x)!\n", be16_to_cpu(arp->ar_pro));
- return -1;
- }
-
- switch (method) {
- case NAT25_CHECK:
- return 0; /* skb_copy for all ARP frame */
- case NAT25_INSERT:
- DEBUG_INFO("NAT25: Insert ARP, MAC =%02x%02x%02x%02x%02x%02x\n", arp_ptr[0],
- arp_ptr[1], arp_ptr[2], arp_ptr[3], arp_ptr[4], arp_ptr[5]);
-
- /* change to ARP sender mac address to wlan STA address */
- memcpy(arp_ptr, GET_MY_HWADDR(priv), ETH_ALEN);
- arp_ptr += arp->ar_hln;
- sender = (unsigned int *)arp_ptr;
- __nat25_generate_ipv4_network_addr(networkAddr, sender);
- __nat25_db_network_insert(priv, skb->data+ETH_ALEN, networkAddr);
- return 0;
- case NAT25_LOOKUP:
- DEBUG_INFO("NAT25: Lookup ARP\n");
-
- arp_ptr += arp->ar_hln;
- sender = (unsigned int *)arp_ptr;
- arp_ptr += (arp->ar_hln + arp->ar_pln);
- target = (unsigned int *)arp_ptr;
- __nat25_generate_ipv4_network_addr(networkAddr, target);
- __nat25_db_network_lookup_and_replace(priv, skb, networkAddr);
- /* change to ARP target mac address to Lookup result */
- arp_ptr = (unsigned char *)(arp + 1);
- arp_ptr += (arp->ar_hln + arp->ar_pln);
- memcpy(arp_ptr, skb->data, ETH_ALEN);
- return 0;
- default:
- return -1;
- }
- } else if ((protocol == ETH_P_IPX) ||
- (protocol <= ETH_FRAME_LEN)) {
- /*---------------------------------------------------*/
- /* Handle IPX and Apple Talk frame */
- /*---------------------------------------------------*/
- unsigned char ipx_header[2] = {0xFF, 0xFF};
- struct ipxhdr *ipx = NULL;
- struct elapaarp *ea = NULL;
- struct ddpehdr *ddp = NULL;
- unsigned char *framePtr = skb->data + ETH_HLEN;
-
- if (protocol == ETH_P_IPX) {
- DEBUG_INFO("NAT25: Protocol = IPX (Ethernet II)\n");
- ipx = (struct ipxhdr *)framePtr;
- } else if (protocol <= ETH_FRAME_LEN) {
- if (!memcmp(ipx_header, framePtr, 2)) {
- DEBUG_INFO("NAT25: Protocol = IPX (Ethernet 802.3)\n");
- ipx = (struct ipxhdr *)framePtr;
- } else {
- unsigned char ipx_8022_type = 0xE0;
- unsigned char snap_8022_type = 0xAA;
-
- if (*framePtr == snap_8022_type) {
- unsigned char ipx_snap_id[5] = {0x0, 0x0, 0x0, 0x81, 0x37}; /* IPX SNAP ID */
- unsigned char aarp_snap_id[5] = {0x00, 0x00, 0x00, 0x80, 0xF3}; /* Apple Talk AARP SNAP ID */
- unsigned char ddp_snap_id[5] = {0x08, 0x00, 0x07, 0x80, 0x9B}; /* Apple Talk DDP SNAP ID */
-
- framePtr += 3; /* eliminate the 802.2 header */
-
- if (!memcmp(ipx_snap_id, framePtr, 5)) {
- framePtr += 5; /* eliminate the SNAP header */
-
- DEBUG_INFO("NAT25: Protocol = IPX (Ethernet SNAP)\n");
- ipx = (struct ipxhdr *)framePtr;
- } else if (!memcmp(aarp_snap_id, framePtr, 5)) {
- framePtr += 5; /* eliminate the SNAP header */
-
- ea = (struct elapaarp *)framePtr;
- } else if (!memcmp(ddp_snap_id, framePtr, 5)) {
- framePtr += 5; /* eliminate the SNAP header */
-
- ddp = (struct ddpehdr *)framePtr;
- } else {
- DEBUG_WARN("NAT25: Protocol = Ethernet SNAP %02x%02x%02x%02x%02x\n", framePtr[0],
- framePtr[1], framePtr[2], framePtr[3], framePtr[4]);
- return -1;
- }
- } else if (*framePtr == ipx_8022_type) {
- framePtr += 3; /* eliminate the 802.2 header */
-
- if (!memcmp(ipx_header, framePtr, 2)) {
- DEBUG_INFO("NAT25: Protocol = IPX (Ethernet 802.2)\n");
- ipx = (struct ipxhdr *)framePtr;
- } else {
- return -1;
- }
- } else {
- return -1;
- }
- }
- } else {
- return -1;
- }
-
- /* IPX */
- if (ipx != NULL) {
- switch (method) {
- case NAT25_CHECK:
- if (!memcmp(skb->data+ETH_ALEN, ipx->ipx_source.node, ETH_ALEN))
- DEBUG_INFO("NAT25: Check IPX skb_copy\n");
- return 0;
- case NAT25_INSERT:
- DEBUG_INFO("NAT25: Insert IPX, Dest =%08x,%02x%02x%02x%02x%02x%02x,%04x Source =%08x,%02x%02x%02x%02x%02x%02x,%04x\n",
- ipx->ipx_dest.net,
- ipx->ipx_dest.node[0],
- ipx->ipx_dest.node[1],
- ipx->ipx_dest.node[2],
- ipx->ipx_dest.node[3],
- ipx->ipx_dest.node[4],
- ipx->ipx_dest.node[5],
- ipx->ipx_dest.sock,
- ipx->ipx_source.net,
- ipx->ipx_source.node[0],
- ipx->ipx_source.node[1],
- ipx->ipx_source.node[2],
- ipx->ipx_source.node[3],
- ipx->ipx_source.node[4],
- ipx->ipx_source.node[5],
- ipx->ipx_source.sock);
-
- if (!memcmp(skb->data+ETH_ALEN, ipx->ipx_source.node, ETH_ALEN)) {
- DEBUG_INFO("NAT25: Use IPX Net, and Socket as network addr\n");
-
- __nat25_generate_ipx_network_addr_with_socket(networkAddr, &ipx->ipx_source.net, &ipx->ipx_source.sock);
-
- /* change IPX source node addr to wlan STA address */
- memcpy(ipx->ipx_source.node, GET_MY_HWADDR(priv), ETH_ALEN);
- } else {
- __nat25_generate_ipx_network_addr_with_node(networkAddr, &ipx->ipx_source.net, ipx->ipx_source.node);
- }
- __nat25_db_network_insert(priv, skb->data+ETH_ALEN, networkAddr);
- return 0;
- case NAT25_LOOKUP:
- if (!memcmp(GET_MY_HWADDR(priv), ipx->ipx_dest.node, ETH_ALEN)) {
- DEBUG_INFO("NAT25: Lookup IPX, Modify Destination IPX Node addr\n");
-
- __nat25_generate_ipx_network_addr_with_socket(networkAddr, &ipx->ipx_dest.net, &ipx->ipx_dest.sock);
-
- __nat25_db_network_lookup_and_replace(priv, skb, networkAddr);
-
- /* replace IPX destination node addr with Lookup destination MAC addr */
- memcpy(ipx->ipx_dest.node, skb->data, ETH_ALEN);
- } else {
- __nat25_generate_ipx_network_addr_with_node(networkAddr, &ipx->ipx_dest.net, ipx->ipx_dest.node);
-
- __nat25_db_network_lookup_and_replace(priv, skb, networkAddr);
- }
- return 0;
- default:
- return -1;
- }
- } else if (ea != NULL) {
- /* Sanity check fields. */
- if (ea->hw_len != ETH_ALEN || ea->pa_len != AARP_PA_ALEN) {
- DEBUG_WARN("NAT25: Appletalk AARP Sanity check fail!\n");
- return -1;
- }
-
- switch (method) {
- case NAT25_CHECK:
- return 0;
- case NAT25_INSERT:
- /* change to AARP source mac address to wlan STA address */
- memcpy(ea->hw_src, GET_MY_HWADDR(priv), ETH_ALEN);
-
- DEBUG_INFO("NAT25: Insert AARP, Source =%d,%d Destination =%d,%d\n",
- ea->pa_src_net,
- ea->pa_src_node,
- ea->pa_dst_net,
- ea->pa_dst_node);
-
- __nat25_generate_apple_network_addr(networkAddr, &ea->pa_src_net, &ea->pa_src_node);
-
- __nat25_db_network_insert(priv, skb->data+ETH_ALEN, networkAddr);
-
- return 0;
- case NAT25_LOOKUP:
- DEBUG_INFO("NAT25: Lookup AARP, Source =%d,%d Destination =%d,%d\n",
- ea->pa_src_net,
- ea->pa_src_node,
- ea->pa_dst_net,
- ea->pa_dst_node);
-
- __nat25_generate_apple_network_addr(networkAddr, &ea->pa_dst_net, &ea->pa_dst_node);
-
- __nat25_db_network_lookup_and_replace(priv, skb, networkAddr);
-
- /* change to AARP destination mac address to Lookup result */
- memcpy(ea->hw_dst, skb->data, ETH_ALEN);
- return 0;
- default:
- return -1;
- }
- } else if (ddp != NULL) {
- switch (method) {
- case NAT25_CHECK:
- return -1;
- case NAT25_INSERT:
- DEBUG_INFO("NAT25: Insert DDP, Source =%d,%d Destination =%d,%d\n",
- ddp->deh_snet,
- ddp->deh_snode,
- ddp->deh_dnet,
- ddp->deh_dnode);
-
- __nat25_generate_apple_network_addr(networkAddr, &ddp->deh_snet, &ddp->deh_snode);
-
- __nat25_db_network_insert(priv, skb->data+ETH_ALEN, networkAddr);
-
- return 0;
- case NAT25_LOOKUP:
- DEBUG_INFO("NAT25: Lookup DDP, Source =%d,%d Destination =%d,%d\n",
- ddp->deh_snet,
- ddp->deh_snode,
- ddp->deh_dnet,
- ddp->deh_dnode);
- __nat25_generate_apple_network_addr(networkAddr, &ddp->deh_dnet, &ddp->deh_dnode);
- __nat25_db_network_lookup_and_replace(priv, skb, networkAddr);
- return 0;
- default:
- return -1;
- }
- }
-
- return -1;
- } else if ((protocol == ETH_P_PPP_DISC) ||
- (protocol == ETH_P_PPP_SES)) {
- /*---------------------------------------------------*/
- /* Handle PPPoE frame */
- /*---------------------------------------------------*/
- struct pppoe_hdr *ph = (struct pppoe_hdr *)(skb->data + ETH_HLEN);
- __be16 *pMagic;
-
- switch (method) {
- case NAT25_CHECK:
- if (ph->sid == 0)
- return 0;
- return 1;
- case NAT25_INSERT:
- if (ph->sid == 0) { /* Discovery phase according to tag */
- if (ph->code == PADI_CODE || ph->code == PADR_CODE) {
- if (priv->ethBrExtInfo.addPPPoETag) {
- struct pppoe_tag *tag, *pOldTag;
- unsigned char tag_buf[40];
- int old_tag_len = 0;
-
- tag = (struct pppoe_tag *)tag_buf;
- pOldTag = (struct pppoe_tag *)__nat25_find_pppoe_tag(ph, ntohs(PTT_RELAY_SID));
- if (pOldTag) { /* if SID existed, copy old value and delete it */
- old_tag_len = ntohs(pOldTag->tag_len);
- if (old_tag_len+TAG_HDR_LEN+MAGIC_CODE_LEN+RTL_RELAY_TAG_LEN > sizeof(tag_buf)) {
- DEBUG_ERR("SID tag length too long!\n");
- return -1;
- }
-
- memcpy(tag->tag_data+MAGIC_CODE_LEN+RTL_RELAY_TAG_LEN,
- pOldTag->tag_data, old_tag_len);
-
- if (skb_pull_and_merge(skb, (unsigned char *)pOldTag, TAG_HDR_LEN+old_tag_len) < 0) {
- DEBUG_ERR("call skb_pull_and_merge() failed in PADI/R packet!\n");
- return -1;
- }
- ph->length = htons(ntohs(ph->length)-TAG_HDR_LEN-old_tag_len);
- }
-
- tag->tag_type = PTT_RELAY_SID;
- tag->tag_len = htons(MAGIC_CODE_LEN+RTL_RELAY_TAG_LEN+old_tag_len);
-
- /* insert the magic_code+client mac in relay tag */
- pMagic = (__be16 *)tag->tag_data;
- *pMagic = htons(MAGIC_CODE);
- memcpy(tag->tag_data+MAGIC_CODE_LEN, skb->data+ETH_ALEN, ETH_ALEN);
-
- /* Add relay tag */
- if (__nat25_add_pppoe_tag(skb, tag) < 0)
- return -1;
-
- DEBUG_INFO("NAT25: Insert PPPoE, forward %s packet\n",
- (ph->code == PADI_CODE ? "PADI" : "PADR"));
- } else { /* not add relay tag */
- if (priv->pppoe_connection_in_progress &&
- memcmp(skb->data+ETH_ALEN, priv->pppoe_addr, ETH_ALEN)) {
- DEBUG_ERR("Discard PPPoE packet due to another PPPoE connection is in progress!\n");
- return -2;
- }
-
- if (priv->pppoe_connection_in_progress == 0)
- memcpy(priv->pppoe_addr, skb->data+ETH_ALEN, ETH_ALEN);
-
- priv->pppoe_connection_in_progress = WAIT_TIME_PPPOE;
- }
- } else {
- return -1;
- }
- } else { /* session phase */
- DEBUG_INFO("NAT25: Insert PPPoE, insert session packet to %s\n", skb->dev->name);
-
- __nat25_generate_pppoe_network_addr(networkAddr, skb->data, &(ph->sid));
-
- __nat25_db_network_insert(priv, skb->data+ETH_ALEN, networkAddr);
-
-
- if (!priv->ethBrExtInfo.addPPPoETag &&
- priv->pppoe_connection_in_progress &&
- !memcmp(skb->data+ETH_ALEN, priv->pppoe_addr, ETH_ALEN))
- priv->pppoe_connection_in_progress = 0;
- }
- return 0;
- case NAT25_LOOKUP:
- if (ph->code == PADO_CODE || ph->code == PADS_CODE) {
- if (priv->ethBrExtInfo.addPPPoETag) {
- struct pppoe_tag *tag;
- unsigned char *ptr;
- unsigned short tagType, tagLen;
- int offset = 0;
-
- ptr = __nat25_find_pppoe_tag(ph, ntohs(PTT_RELAY_SID));
- if (ptr == NULL) {
- DEBUG_ERR("Fail to find PTT_RELAY_SID in FADO!\n");
- return -1;
- }
-
- tag = (struct pppoe_tag *)ptr;
- tagType = (unsigned short)((ptr[0] << 8) + ptr[1]);
- tagLen = (unsigned short)((ptr[2] << 8) + ptr[3]);
-
- if ((tagType != ntohs(PTT_RELAY_SID)) || (tagLen < (MAGIC_CODE_LEN+RTL_RELAY_TAG_LEN))) {
- DEBUG_ERR("Invalid PTT_RELAY_SID tag length [%d]!\n", tagLen);
- return -1;
- }
-
- pMagic = (__be16 *)tag->tag_data;
- if (ntohs(*pMagic) != MAGIC_CODE) {
- DEBUG_ERR("Can't find MAGIC_CODE in %s packet!\n",
- (ph->code == PADO_CODE ? "PADO" : "PADS"));
- return -1;
- }
-
- memcpy(skb->data, tag->tag_data+MAGIC_CODE_LEN, ETH_ALEN);
-
- if (tagLen > MAGIC_CODE_LEN+RTL_RELAY_TAG_LEN)
- offset = TAG_HDR_LEN;
-
- if (skb_pull_and_merge(skb, ptr+offset, TAG_HDR_LEN+MAGIC_CODE_LEN+RTL_RELAY_TAG_LEN-offset) < 0) {
- DEBUG_ERR("call skb_pull_and_merge() failed in PADO packet!\n");
- return -1;
- }
- ph->length = htons(ntohs(ph->length)-(TAG_HDR_LEN+MAGIC_CODE_LEN+RTL_RELAY_TAG_LEN-offset));
- if (offset > 0)
- tag->tag_len = htons(tagLen-MAGIC_CODE_LEN-RTL_RELAY_TAG_LEN);
-
- DEBUG_INFO("NAT25: Lookup PPPoE, forward %s Packet from %s\n",
- (ph->code == PADO_CODE ? "PADO" : "PADS"), skb->dev->name);
- } else { /* not add relay tag */
- if (!priv->pppoe_connection_in_progress) {
- DEBUG_ERR("Discard PPPoE packet due to no connection in progress!\n");
- return -1;
- }
- memcpy(skb->data, priv->pppoe_addr, ETH_ALEN);
- priv->pppoe_connection_in_progress = WAIT_TIME_PPPOE;
- }
- } else {
- if (ph->sid != 0) {
- DEBUG_INFO("NAT25: Lookup PPPoE, lookup session packet from %s\n", skb->dev->name);
- __nat25_generate_pppoe_network_addr(networkAddr, skb->data+ETH_ALEN, &(ph->sid));
- __nat25_db_network_lookup_and_replace(priv, skb, networkAddr);
- } else {
- return -1;
- }
- }
- return 0;
- default:
- return -1;
- }
- } else if (protocol == 0x888e) {
- /*---------------------------------------------------*/
- /* Handle EAP frame */
- /*---------------------------------------------------*/
- switch (method) {
- case NAT25_CHECK:
- return -1;
- case NAT25_INSERT:
- return 0;
- case NAT25_LOOKUP:
- return 0;
- default:
- return -1;
- }
- } else if ((protocol == 0xe2ae) || (protocol == 0xe2af)) {
- /*---------------------------------------------------*/
- /* Handle C-Media proprietary frame */
- /*---------------------------------------------------*/
- switch (method) {
- case NAT25_CHECK:
- return -1;
- case NAT25_INSERT:
- return 0;
- case NAT25_LOOKUP:
- return 0;
- default:
- return -1;
- }
- } else if (protocol == ETH_P_IPV6) {
- /*------------------------------------------------*/
- /* Handle IPV6 frame */
- /*------------------------------------------------*/
- struct ipv6hdr *iph = (struct ipv6hdr *)(skb->data + ETH_HLEN);
-
- if (sizeof(*iph) >= (skb->len - ETH_HLEN)) {
- DEBUG_WARN("NAT25: malformed IPv6 packet !\n");
- return -1;
- }
-
- switch (method) {
- case NAT25_CHECK:
- if (skb->data[0] & 1)
- return 0;
- return -1;
- case NAT25_INSERT:
- DEBUG_INFO("NAT25: Insert IP, SA =%4x:%4x:%4x:%4x:%4x:%4x:%4x:%4x,"
- " DA =%4x:%4x:%4x:%4x:%4x:%4x:%4x:%4x\n",
- iph->saddr.s6_addr16[0], iph->saddr.s6_addr16[1], iph->saddr.s6_addr16[2], iph->saddr.s6_addr16[3],
- iph->saddr.s6_addr16[4], iph->saddr.s6_addr16[5], iph->saddr.s6_addr16[6], iph->saddr.s6_addr16[7],
- iph->daddr.s6_addr16[0], iph->daddr.s6_addr16[1], iph->daddr.s6_addr16[2], iph->daddr.s6_addr16[3],
- iph->daddr.s6_addr16[4], iph->daddr.s6_addr16[5], iph->daddr.s6_addr16[6], iph->daddr.s6_addr16[7]);
-
- if (memcmp(&iph->saddr, "\x0\x0\x0\x0\x0\x0\x0\x0\x0\x0\x0\x0\x0\x0\x0\x0", 16)) {
- __nat25_generate_ipv6_network_addr(networkAddr, (__be32 *)&iph->saddr);
- __nat25_db_network_insert(priv, skb->data+ETH_ALEN, networkAddr);
-
- if (iph->nexthdr == IPPROTO_ICMPV6 &&
- skb->len > (ETH_HLEN + sizeof(*iph) + 4)) {
- if (update_nd_link_layer_addr(skb->data + ETH_HLEN + sizeof(*iph),
- skb->len - ETH_HLEN - sizeof(*iph), GET_MY_HWADDR(priv))) {
- struct icmp6hdr *hdr = (struct icmp6hdr *)(skb->data + ETH_HLEN + sizeof(*iph));
- hdr->icmp6_cksum = 0;
- hdr->icmp6_cksum = csum_ipv6_magic(&iph->saddr, &iph->daddr,
- be16_to_cpu(iph->payload_len),
- IPPROTO_ICMPV6,
- csum_partial((__u8 *)hdr,
- be16_to_cpu(iph->payload_len), 0));
- }
- }
- }
- return 0;
- case NAT25_LOOKUP:
- DEBUG_INFO("NAT25: Lookup IP, SA =%4x:%4x:%4x:%4x:%4x:%4x:%4x:%4x, DA =%4x:%4x:%4x:%4x:%4x:%4x:%4x:%4x\n",
- iph->saddr.s6_addr16[0], iph->saddr.s6_addr16[1], iph->saddr.s6_addr16[2], iph->saddr.s6_addr16[3],
- iph->saddr.s6_addr16[4], iph->saddr.s6_addr16[5], iph->saddr.s6_addr16[6], iph->saddr.s6_addr16[7],
- iph->daddr.s6_addr16[0], iph->daddr.s6_addr16[1], iph->daddr.s6_addr16[2], iph->daddr.s6_addr16[3],
- iph->daddr.s6_addr16[4], iph->daddr.s6_addr16[5], iph->daddr.s6_addr16[6], iph->daddr.s6_addr16[7]);
- __nat25_generate_ipv6_network_addr(networkAddr, (__be32 *)&iph->daddr);
- __nat25_db_network_lookup_and_replace(priv, skb, networkAddr);
- return 0;
- default:
- return -1;
- }
- }
- return -1;
-}
-
#define SERVER_PORT 67
#define CLIENT_PORT 68
#define DHCP_MAGIC 0x63825363
diff --git a/drivers/staging/rtl8188eu/include/usb_osintf.h b/drivers/staging/rtl8188eu/include/usb_osintf.h
index 292ded7..8036c38 100644
--- a/drivers/staging/rtl8188eu/include/usb_osintf.h
+++ b/drivers/staging/rtl8188eu/include/usb_osintf.h
@@ -34,7 +34,6 @@ void dhcp_flag_bcast(struct adapter *priv, struct sk_buff *skb);
void *scdb_findEntry(struct adapter *priv, unsigned char *macAddr,
unsigned char *ipAddr);
void nat25_db_expire(struct adapter *priv);
-int nat25_db_handle(struct adapter *priv, struct sk_buff *skb, int method);
int rtw_resume_process(struct adapter *padapter);
--
1.7.10.4
Value stored in pppoe_connection_in_progress isn't being
used by driver.
Signed-off-by: navin patidar <[email protected]>
---
drivers/staging/rtl8188eu/core/rtw_mlme.c | 7 -------
drivers/staging/rtl8188eu/include/drv_types.h | 1 -
2 files changed, 8 deletions(-)
diff --git a/drivers/staging/rtl8188eu/core/rtw_mlme.c b/drivers/staging/rtl8188eu/core/rtw_mlme.c
index 260243b..e0e119c 100644
--- a/drivers/staging/rtl8188eu/core/rtw_mlme.c
+++ b/drivers/staging/rtl8188eu/core/rtw_mlme.c
@@ -1546,13 +1546,6 @@ void rtw_dynamic_check_timer_handlder(struct adapter *adapter)
(check_fwstate(pmlmepriv, WIFI_STATION_STATE|WIFI_ADHOC_STATE) == true)) {
/* expire NAT2.5 entry */
nat25_db_expire(adapter);
-
- if (adapter->pppoe_connection_in_progress > 0)
- adapter->pppoe_connection_in_progress--;
-
- /* due to rtw_dynamic_check_timer_handlder() is called every 2 seconds */
- if (adapter->pppoe_connection_in_progress > 0)
- adapter->pppoe_connection_in_progress--;
}
rcu_read_unlock();
diff --git a/drivers/staging/rtl8188eu/include/drv_types.h b/drivers/staging/rtl8188eu/include/drv_types.h
index 9c3f905..71b4af7 100644
--- a/drivers/staging/rtl8188eu/include/drv_types.h
+++ b/drivers/staging/rtl8188eu/include/drv_types.h
@@ -256,7 +256,6 @@ struct adapter {
spinlock_t br_ext_lock;
struct nat25_network_db_entry *nethash[NAT25_HASH_SIZE];
- int pppoe_connection_in_progress;
unsigned char pppoe_addr[MACADDRLEN];
unsigned char scdb_mac[MACADDRLEN];
unsigned char scdb_ip[4];
--
1.7.10.4
We've removed the code which was responsible for building NAT table,
so no use of keeping nat_db_cleanup().
Signed-off-by: navin patidar <[email protected]>
---
drivers/staging/rtl8188eu/core/rtw_br_ext.c | 26 ------------------------
drivers/staging/rtl8188eu/core/rtw_cmd.c | 3 +--
drivers/staging/rtl8188eu/include/rtw_br_ext.h | 2 --
drivers/staging/rtl8188eu/os_dep/os_intfs.c | 2 --
4 files changed, 1 insertion(+), 32 deletions(-)
diff --git a/drivers/staging/rtl8188eu/core/rtw_br_ext.c b/drivers/staging/rtl8188eu/core/rtw_br_ext.c
index 8689912..b0b1af9 100644
--- a/drivers/staging/rtl8188eu/core/rtw_br_ext.c
+++ b/drivers/staging/rtl8188eu/core/rtw_br_ext.c
@@ -247,32 +247,6 @@ static inline void __network_hash_unlink(struct nat25_network_db_entry *ent)
* NAT2.5 interface
*/
-void nat25_db_cleanup(struct adapter *priv)
-{
- int i;
-
- spin_lock_bh(&priv->br_ext_lock);
-
- for (i = 0; i < NAT25_HASH_SIZE; i++) {
- struct nat25_network_db_entry *f;
- f = priv->nethash[i];
- while (f != NULL) {
- struct nat25_network_db_entry *g;
-
- g = f->next_hash;
- if (priv->scdb_entry == f) {
- memset(priv->scdb_mac, 0, ETH_ALEN);
- memset(priv->scdb_ip, 0, 4);
- priv->scdb_entry = NULL;
- }
- __network_hash_unlink(f);
- kfree(f);
- f = g;
- }
- }
- spin_unlock_bh(&priv->br_ext_lock);
-}
-
void nat25_db_expire(struct adapter *priv)
{
int i;
diff --git a/drivers/staging/rtl8188eu/core/rtw_cmd.c b/drivers/staging/rtl8188eu/core/rtw_cmd.c
index 25f1c36..bb4c703 100644
--- a/drivers/staging/rtl8188eu/core/rtw_cmd.c
+++ b/drivers/staging/rtl8188eu/core/rtw_cmd.c
@@ -2059,8 +2059,7 @@ void rtw_disassoc_cmd_callback(struct adapter *padapter, struct cmd_obj *pcmd)
RT_TRACE(_module_rtl871x_cmd_c_, _drv_err_, ("\n ***Error: disconnect_cmd_callback Fail ***\n."));
return;
- } else /* clear bridge database */
- nat25_db_cleanup(padapter);
+ }
/* free cmd */
rtw_free_cmd_obj(pcmd);
diff --git a/drivers/staging/rtl8188eu/include/rtw_br_ext.h b/drivers/staging/rtl8188eu/include/rtw_br_ext.h
index f21e7a4..f0b2a20 100644
--- a/drivers/staging/rtl8188eu/include/rtw_br_ext.h
+++ b/drivers/staging/rtl8188eu/include/rtw_br_ext.h
@@ -61,6 +61,4 @@ struct br_ext_info {
unsigned int nat25sc_disable;
};
-void nat25_db_cleanup(struct adapter *priv);
-
#endif /* _RTW_BR_EXT_H_ */
diff --git a/drivers/staging/rtl8188eu/os_dep/os_intfs.c b/drivers/staging/rtl8188eu/os_dep/os_intfs.c
index 34f7370..43eaba0 100644
--- a/drivers/staging/rtl8188eu/os_dep/os_intfs.c
+++ b/drivers/staging/rtl8188eu/os_dep/os_intfs.c
@@ -1228,8 +1228,6 @@ int netdev_close(struct net_device *pnetdev)
rtw_led_control(padapter, LED_CTL_POWER_OFF);
}
- nat25_db_cleanup(padapter);
-
#ifdef CONFIG_88EU_P2P
rtw_p2p_enable(padapter, P2P_ROLE_DISABLE);
#endif /* CONFIG_88EU_P2P */
--
1.7.10.4
We've removed the code which was responsible for building NAT table,
so no use of keeping nat_db_expire().
Signed-off-by: navin patidar <[email protected]>
---
drivers/staging/rtl8188eu/core/rtw_mlme.c | 11 -----------
drivers/staging/rtl8188eu/include/usb_osintf.h | 1 -
2 files changed, 12 deletions(-)
diff --git a/drivers/staging/rtl8188eu/core/rtw_mlme.c b/drivers/staging/rtl8188eu/core/rtw_mlme.c
index e0e119c..e73a784 100644
--- a/drivers/staging/rtl8188eu/core/rtw_mlme.c
+++ b/drivers/staging/rtl8188eu/core/rtw_mlme.c
@@ -1516,7 +1516,6 @@ static void rtw_auto_scan_handler(struct adapter *padapter)
void rtw_dynamic_check_timer_handlder(struct adapter *adapter)
{
- struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
struct registry_priv *pregistrypriv = &adapter->registrypriv;
if (!adapter)
@@ -1539,16 +1538,6 @@ void rtw_dynamic_check_timer_handlder(struct adapter *adapter)
rtw_auto_scan_handler(adapter);
}
}
-
- rcu_read_lock();
-
- if (rcu_dereference(adapter->pnetdev->rx_handler_data) &&
- (check_fwstate(pmlmepriv, WIFI_STATION_STATE|WIFI_ADHOC_STATE) == true)) {
- /* expire NAT2.5 entry */
- nat25_db_expire(adapter);
- }
-
- rcu_read_unlock();
}
#define RTW_SCAN_RESULT_EXPIRE 2000
diff --git a/drivers/staging/rtl8188eu/include/usb_osintf.h b/drivers/staging/rtl8188eu/include/usb_osintf.h
index 8036c38..484411f 100644
--- a/drivers/staging/rtl8188eu/include/usb_osintf.h
+++ b/drivers/staging/rtl8188eu/include/usb_osintf.h
@@ -33,7 +33,6 @@ void netdev_br_init(struct net_device *netdev);
void dhcp_flag_bcast(struct adapter *priv, struct sk_buff *skb);
void *scdb_findEntry(struct adapter *priv, unsigned char *macAddr,
unsigned char *ipAddr);
-void nat25_db_expire(struct adapter *priv);
int rtw_resume_process(struct adapter *padapter);
--
1.7.10.4
netdev_br_init() tries to find MAC address of network interface named "br0",
then that MAC address is assigned to adapter->br_netdev and used by driver's
NAT implementation code.
Signed-off-by: navin patidar <[email protected]>
---
drivers/staging/rtl8188eu/include/usb_osintf.h | 1 -
drivers/staging/rtl8188eu/os_dep/os_intfs.c | 28 ------------------------
2 files changed, 29 deletions(-)
diff --git a/drivers/staging/rtl8188eu/include/usb_osintf.h b/drivers/staging/rtl8188eu/include/usb_osintf.h
index 484411f..85805ca 100644
--- a/drivers/staging/rtl8188eu/include/usb_osintf.h
+++ b/drivers/staging/rtl8188eu/include/usb_osintf.h
@@ -29,7 +29,6 @@ extern int rtw_mc2u_disable;
#define USBD_HALTED(Status) ((u32)(Status) >> 30 == 3)
int pm_netdev_open(struct net_device *pnetdev, u8 bnormal);
-void netdev_br_init(struct net_device *netdev);
void dhcp_flag_bcast(struct adapter *priv, struct sk_buff *skb);
void *scdb_findEntry(struct adapter *priv, unsigned char *macAddr,
unsigned char *ipAddr);
diff --git a/drivers/staging/rtl8188eu/os_dep/os_intfs.c b/drivers/staging/rtl8188eu/os_dep/os_intfs.c
index 43eaba0..1c30f4c 100644
--- a/drivers/staging/rtl8188eu/os_dep/os_intfs.c
+++ b/drivers/staging/rtl8188eu/os_dep/os_intfs.c
@@ -36,7 +36,6 @@ MODULE_DESCRIPTION("Realtek Wireless Lan Driver");
MODULE_AUTHOR("Realtek Semiconductor Corp.");
MODULE_VERSION(DRIVERVERSION);
-#define CONFIG_BR_EXT_BRNAME "br0"
#define RTW_NOTCH_FILTER 0 /* 0:Disable, 1:Enable, */
/* module param defaults */
@@ -1001,31 +1000,6 @@ u8 rtw_free_drv_sw(struct adapter *padapter)
return _SUCCESS;
}
-void netdev_br_init(struct net_device *netdev)
-{
- struct adapter *adapter = (struct adapter *)rtw_netdev_priv(netdev);
-
- rcu_read_lock();
-
- if (rcu_dereference(adapter->pnetdev->rx_handler_data)) {
- struct net_device *br_netdev;
- struct net *devnet = NULL;
-
- devnet = dev_net(netdev);
- br_netdev = dev_get_by_name(devnet, CONFIG_BR_EXT_BRNAME);
- if (br_netdev) {
- memcpy(adapter->br_mac, br_netdev->dev_addr, ETH_ALEN);
- dev_put(br_netdev);
- } else {
- pr_info("%s()-%d: dev_get_by_name(%s) failed!",
- __func__, __LINE__, CONFIG_BR_EXT_BRNAME);
- }
- }
- adapter->ethBrExtInfo.addPPPoETag = 1;
-
- rcu_read_unlock();
-}
-
int _netdev_open(struct net_device *pnetdev)
{
uint status;
@@ -1082,8 +1056,6 @@ int _netdev_open(struct net_device *pnetdev)
else
netif_tx_wake_all_queues(pnetdev);
- netdev_br_init(pnetdev);
-
netdev_open_normal_process:
RT_TRACE(_module_os_intfs_c_, _drv_info_, ("-88eu_drv - dev_open\n"));
DBG_88E("-88eu_drv - drv_open, bup =%d\n", padapter->bup);
--
1.7.10.4
functions defined in rtw_br_ext.c are not being used by driver anymore.
Signed-off-by: navin patidar <[email protected]>
---
drivers/staging/rtl8188eu/Makefile | 1 -
drivers/staging/rtl8188eu/core/rtw_br_ext.c | 365 ---------------------------
2 files changed, 366 deletions(-)
delete mode 100644 drivers/staging/rtl8188eu/core/rtw_br_ext.c
diff --git a/drivers/staging/rtl8188eu/Makefile b/drivers/staging/rtl8188eu/Makefile
index b203089..74a032c 100644
--- a/drivers/staging/rtl8188eu/Makefile
+++ b/drivers/staging/rtl8188eu/Makefile
@@ -1,6 +1,5 @@
r8188eu-y := \
core/rtw_ap.o \
- core/rtw_br_ext.o \
core/rtw_cmd.o \
core/rtw_debug.o \
core/rtw_efuse.o \
diff --git a/drivers/staging/rtl8188eu/core/rtw_br_ext.c b/drivers/staging/rtl8188eu/core/rtw_br_ext.c
deleted file mode 100644
index b0b1af9..0000000
--- a/drivers/staging/rtl8188eu/core/rtw_br_ext.c
+++ /dev/null
@@ -1,365 +0,0 @@
-/******************************************************************************
- *
- * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of version 2 of the GNU General Public License as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * 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.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
- *
- *
- ******************************************************************************/
-#define _RTW_BR_EXT_C_
-
-#include <linux/if_arp.h>
-#include <net/ip.h>
-#include <net/ipx.h>
-#include <linux/atalk.h>
-#include <linux/udp.h>
-#include <linux/if_pppox.h>
-
-#include <drv_types.h>
-#include "rtw_br_ext.h"
-#include <usb_osintf.h>
-#include <recv_osdep.h>
-
-#ifndef csum_ipv6_magic
-#include <net/ip6_checksum.h>
-#endif
-
-#include <linux/ipv6.h>
-#include <linux/icmpv6.h>
-#include <net/ndisc.h>
-#include <net/checksum.h>
-
-#define NAT25_IPV4 01
-#define NAT25_IPV6 02
-#define NAT25_IPX 03
-#define NAT25_APPLE 04
-#define NAT25_PPPOE 05
-
-#define RTL_RELAY_TAG_LEN (ETH_ALEN)
-#define TAG_HDR_LEN 4
-
-#define MAGIC_CODE 0x8186
-#define MAGIC_CODE_LEN 2
-#define WAIT_TIME_PPPOE 5 /* waiting time for pppoe server in sec */
-
-/*-----------------------------------------------------------------
- How database records network address:
- 0 1 2 3 4 5 6 7 8 9 10
- |----|----|----|----|----|----|----|----|----|----|----|
- IPv4 |type| | IP addr |
- IPX |type| Net addr | Node addr |
- IPX |type| Net addr |Sckt addr|
- Apple |type| Network |node|
- PPPoE |type| SID | AC MAC |
------------------------------------------------------------------*/
-
-
-/* Find a tag in pppoe frame and return the pointer */
-static inline unsigned char *__nat25_find_pppoe_tag(struct pppoe_hdr *ph, unsigned short type)
-{
- unsigned char *cur_ptr, *start_ptr;
- unsigned short tagLen, tagType;
-
- start_ptr = cur_ptr = (unsigned char *)ph->tag;
- while ((cur_ptr - start_ptr) < ntohs(ph->length)) {
- /* prevent un-alignment access */
- tagType = (unsigned short)((cur_ptr[0] << 8) + cur_ptr[1]);
- tagLen = (unsigned short)((cur_ptr[2] << 8) + cur_ptr[3]);
- if (tagType == type)
- return cur_ptr;
- cur_ptr = cur_ptr + TAG_HDR_LEN + tagLen;
- }
- return NULL;
-}
-
-
-static inline int __nat25_add_pppoe_tag(struct sk_buff *skb, struct pppoe_tag *tag)
-{
- struct pppoe_hdr *ph = (struct pppoe_hdr *)(skb->data + ETH_HLEN);
- int data_len;
-
- data_len = be16_to_cpu(tag->tag_len) + TAG_HDR_LEN;
- if (skb_tailroom(skb) < data_len) {
- _DEBUG_ERR("skb_tailroom() failed in add SID tag!\n");
- return -1;
- }
-
- skb_put(skb, data_len);
- /* have a room for new tag */
- memmove(((unsigned char *)ph->tag + data_len), (unsigned char *)ph->tag, ntohs(ph->length));
- ph->length = htons(ntohs(ph->length) + data_len);
- memcpy((unsigned char *)ph->tag, tag, data_len);
- return data_len;
-}
-
-static inline unsigned long __nat25_timeout(struct adapter *priv)
-{
- unsigned long timeout;
-
- timeout = jiffies - NAT25_AGEING_TIME*HZ;
-
- return timeout;
-}
-
-
-static inline int __nat25_has_expired(struct adapter *priv,
- struct nat25_network_db_entry *fdb)
-{
- if (time_before_eq(fdb->ageing_timer, __nat25_timeout(priv)))
- return 1;
-
- return 0;
-}
-
-
-static inline void __nat25_generate_ipv4_network_addr(unsigned char *networkAddr,
- unsigned int *ipAddr)
-{
- memset(networkAddr, 0, MAX_NETWORK_ADDR_LEN);
-
- networkAddr[0] = NAT25_IPV4;
- memcpy(networkAddr+7, (unsigned char *)ipAddr, 4);
-}
-
-
-static inline void __nat25_generate_ipx_network_addr_with_node(unsigned char *networkAddr,
- __be32 *ipxNetAddr, unsigned char *ipxNodeAddr)
-{
- memset(networkAddr, 0, MAX_NETWORK_ADDR_LEN);
-
- networkAddr[0] = NAT25_IPX;
- memcpy(networkAddr+1, (unsigned char *)ipxNetAddr, 4);
- memcpy(networkAddr+5, ipxNodeAddr, 6);
-}
-
-
-static inline void __nat25_generate_ipx_network_addr_with_socket(unsigned char *networkAddr,
- __be32 *ipxNetAddr, __be16 *ipxSocketAddr)
-{
- memset(networkAddr, 0, MAX_NETWORK_ADDR_LEN);
-
- networkAddr[0] = NAT25_IPX;
- memcpy(networkAddr+1, (unsigned char *)ipxNetAddr, 4);
- memcpy(networkAddr+5, (unsigned char *)ipxSocketAddr, 2);
-}
-
-
-static inline void __nat25_generate_apple_network_addr(unsigned char *networkAddr,
- __be16 *network, unsigned char *node)
-{
- memset(networkAddr, 0, MAX_NETWORK_ADDR_LEN);
-
- networkAddr[0] = NAT25_APPLE;
- memcpy(networkAddr+1, (unsigned char *)network, 2);
- networkAddr[3] = *node;
-}
-
-static inline void __nat25_generate_pppoe_network_addr(unsigned char *networkAddr,
- unsigned char *ac_mac, __be16 *sid)
-{
- memset(networkAddr, 0, MAX_NETWORK_ADDR_LEN);
-
- networkAddr[0] = NAT25_PPPOE;
- memcpy(networkAddr+1, (unsigned char *)sid, 2);
- memcpy(networkAddr+3, (unsigned char *)ac_mac, 6);
-}
-
-static inline int __nat25_network_hash(unsigned char *networkAddr)
-{
- if (networkAddr[0] == NAT25_IPV4) {
- unsigned long x;
-
- x = networkAddr[7] ^ networkAddr[8] ^ networkAddr[9] ^ networkAddr[10];
-
- return x & (NAT25_HASH_SIZE - 1);
- } else if (networkAddr[0] == NAT25_IPX) {
- unsigned long x;
-
- x = networkAddr[1] ^ networkAddr[2] ^ networkAddr[3] ^ networkAddr[4] ^ networkAddr[5] ^
- networkAddr[6] ^ networkAddr[7] ^ networkAddr[8] ^ networkAddr[9] ^ networkAddr[10];
-
- return x & (NAT25_HASH_SIZE - 1);
- } else if (networkAddr[0] == NAT25_APPLE) {
- unsigned long x;
-
- x = networkAddr[1] ^ networkAddr[2] ^ networkAddr[3];
-
- return x & (NAT25_HASH_SIZE - 1);
- } else if (networkAddr[0] == NAT25_PPPOE) {
- unsigned long x;
-
- x = networkAddr[0] ^ networkAddr[1] ^ networkAddr[2] ^ networkAddr[3] ^ networkAddr[4] ^ networkAddr[5] ^ networkAddr[6] ^ networkAddr[7] ^ networkAddr[8];
-
- return x & (NAT25_HASH_SIZE - 1);
- } else if (networkAddr[0] == NAT25_IPV6) {
- unsigned long x;
-
- x = networkAddr[1] ^ networkAddr[2] ^ networkAddr[3] ^ networkAddr[4] ^ networkAddr[5] ^
- networkAddr[6] ^ networkAddr[7] ^ networkAddr[8] ^ networkAddr[9] ^ networkAddr[10] ^
- networkAddr[11] ^ networkAddr[12] ^ networkAddr[13] ^ networkAddr[14] ^ networkAddr[15] ^
- networkAddr[16];
-
- return x & (NAT25_HASH_SIZE - 1);
- } else {
- unsigned long x = 0;
- int i;
-
- for (i = 0; i < MAX_NETWORK_ADDR_LEN; i++)
- x ^= networkAddr[i];
-
- return x & (NAT25_HASH_SIZE - 1);
- }
-}
-
-static inline void __network_hash_link(struct adapter *priv,
- struct nat25_network_db_entry *ent, int hash)
-{
- /* Caller must spin_lock_bh already! */
- ent->next_hash = priv->nethash[hash];
- if (ent->next_hash != NULL)
- ent->next_hash->pprev_hash = &ent->next_hash;
- priv->nethash[hash] = ent;
- ent->pprev_hash = &priv->nethash[hash];
-}
-
-static inline void __network_hash_unlink(struct nat25_network_db_entry *ent)
-{
- /* Caller must spin_lock_bh already! */
- *(ent->pprev_hash) = ent->next_hash;
- if (ent->next_hash != NULL)
- ent->next_hash->pprev_hash = ent->pprev_hash;
- ent->next_hash = NULL;
- ent->pprev_hash = NULL;
-}
-
-/*
- * NAT2.5 interface
- */
-
-void nat25_db_expire(struct adapter *priv)
-{
- int i;
- spin_lock_bh(&priv->br_ext_lock);
-
- for (i = 0; i < NAT25_HASH_SIZE; i++) {
- struct nat25_network_db_entry *f;
- f = priv->nethash[i];
-
- while (f != NULL) {
- struct nat25_network_db_entry *g;
- g = f->next_hash;
-
- if (__nat25_has_expired(priv, f)) {
- if (atomic_dec_and_test(&f->use_count)) {
- if (priv->scdb_entry == f) {
- memset(priv->scdb_mac, 0, ETH_ALEN);
- memset(priv->scdb_ip, 0, 4);
- priv->scdb_entry = NULL;
- }
- __network_hash_unlink(f);
- kfree(f);
- }
- }
- f = g;
- }
- }
- spin_unlock_bh(&priv->br_ext_lock);
-}
-
-#define SERVER_PORT 67
-#define CLIENT_PORT 68
-#define DHCP_MAGIC 0x63825363
-#define BROADCAST_FLAG 0x8000
-
-struct dhcpMessage {
- u_int8_t op;
- u_int8_t htype;
- u_int8_t hlen;
- u_int8_t hops;
- __be32 xid;
- __be16 secs;
- __be16 flags;
- __be32 ciaddr;
- __be32 yiaddr;
- __be32 siaddr;
- __be32 giaddr;
- u_int8_t chaddr[16];
- u_int8_t sname[64];
- u_int8_t file[128];
- __be32 cookie;
- u_int8_t options[308]; /* 312 - cookie */
-};
-
-void dhcp_flag_bcast(struct adapter *priv, struct sk_buff *skb)
-{
- if (skb == NULL)
- return;
-
- if (!priv->ethBrExtInfo.dhcp_bcst_disable) {
- __be16 protocol = *((__be16 *)(skb->data + 2 * ETH_ALEN));
-
- if (protocol == __constant_htons(ETH_P_IP)) { /* IP */
- struct iphdr *iph = (struct iphdr *)(skb->data + ETH_HLEN);
-
- if (iph->protocol == IPPROTO_UDP) { /* UDP */
- struct udphdr *udph = (struct udphdr *)((size_t)iph + (iph->ihl << 2));
-
- if ((udph->source == __constant_htons(CLIENT_PORT)) &&
- (udph->dest == __constant_htons(SERVER_PORT))) { /* DHCP request */
- struct dhcpMessage *dhcph =
- (struct dhcpMessage *)((size_t)udph + sizeof(struct udphdr));
- u32 cookie = be32_to_cpu((__be32)dhcph->cookie);
-
- if (cookie == DHCP_MAGIC) { /* match magic word */
- if (!(dhcph->flags & htons(BROADCAST_FLAG))) {
- /* if not broadcast */
- register int sum = 0;
-
- DEBUG_INFO("DHCP: change flag of DHCP request to broadcast.\n");
- /* or BROADCAST flag */
- dhcph->flags |= htons(BROADCAST_FLAG);
- /* recalculate checksum */
- sum = ~(udph->check) & 0xffff;
- sum += be16_to_cpu(dhcph->flags);
- while (sum >> 16)
- sum = (sum & 0xffff) + (sum >> 16);
- udph->check = ~sum;
- }
- }
- }
- }
- }
- }
-}
-
-
-void *scdb_findEntry(struct adapter *priv, unsigned char *macAddr,
- unsigned char *ipAddr)
-{
- unsigned char networkAddr[MAX_NETWORK_ADDR_LEN];
- struct nat25_network_db_entry *db;
- int hash;
-
- __nat25_generate_ipv4_network_addr(networkAddr, (unsigned int *)ipAddr);
- hash = __nat25_network_hash(networkAddr);
- db = priv->nethash[hash];
- while (db != NULL) {
- if (!memcmp(db->networkAddr, networkAddr, MAX_NETWORK_ADDR_LEN))
- return (void *)db;
-
- db = db->next_hash;
- }
-
- return NULL;
-}
--
1.7.10.4
Signed-off-by: navin patidar <[email protected]>
---
drivers/staging/rtl8188eu/include/drv_types.h | 8 --------
1 file changed, 8 deletions(-)
diff --git a/drivers/staging/rtl8188eu/include/drv_types.h b/drivers/staging/rtl8188eu/include/drv_types.h
index 71b4af7..baafe33 100644
--- a/drivers/staging/rtl8188eu/include/drv_types.h
+++ b/drivers/staging/rtl8188eu/include/drv_types.h
@@ -255,14 +255,6 @@ struct adapter {
struct mutex hw_init_mutex;
spinlock_t br_ext_lock;
- struct nat25_network_db_entry *nethash[NAT25_HASH_SIZE];
- unsigned char pppoe_addr[MACADDRLEN];
- unsigned char scdb_mac[MACADDRLEN];
- unsigned char scdb_ip[4];
- struct nat25_network_db_entry *scdb_entry;
- unsigned char br_mac[MACADDRLEN];
- unsigned char br_ip[4];
- struct br_ext_info ethBrExtInfo;
u8 fix_rate;
--
1.7.10.4
driver doesn't need rtw_br_ext.h any more.
Signed-off-by: navin patidar <[email protected]>
---
drivers/staging/rtl8188eu/core/rtw_cmd.c | 1 -
drivers/staging/rtl8188eu/include/drv_types.h | 1 -
drivers/staging/rtl8188eu/include/rtw_br_ext.h | 64 ------------------------
drivers/staging/rtl8188eu/os_dep/os_intfs.c | 1 -
4 files changed, 67 deletions(-)
delete mode 100644 drivers/staging/rtl8188eu/include/rtw_br_ext.h
diff --git a/drivers/staging/rtl8188eu/core/rtw_cmd.c b/drivers/staging/rtl8188eu/core/rtw_cmd.c
index bb4c703..2384695 100644
--- a/drivers/staging/rtl8188eu/core/rtw_cmd.c
+++ b/drivers/staging/rtl8188eu/core/rtw_cmd.c
@@ -24,7 +24,6 @@
#include <recv_osdep.h>
#include <cmd_osdep.h>
#include <mlme_osdep.h>
-#include <rtw_br_ext.h>
#include <rtw_mlme_ext.h>
/*
diff --git a/drivers/staging/rtl8188eu/include/drv_types.h b/drivers/staging/rtl8188eu/include/drv_types.h
index baafe33..6750135 100644
--- a/drivers/staging/rtl8188eu/include/drv_types.h
+++ b/drivers/staging/rtl8188eu/include/drv_types.h
@@ -51,7 +51,6 @@
#include <rtw_p2p.h>
#include <rtw_ap.h>
#include <rtw_mp.h>
-#include <rtw_br_ext.h>
#define SPEC_DEV_ID_NONE BIT(0)
#define SPEC_DEV_ID_DISABLE_HT BIT(1)
diff --git a/drivers/staging/rtl8188eu/include/rtw_br_ext.h b/drivers/staging/rtl8188eu/include/rtw_br_ext.h
deleted file mode 100644
index f0b2a20..0000000
--- a/drivers/staging/rtl8188eu/include/rtw_br_ext.h
+++ /dev/null
@@ -1,64 +0,0 @@
-/******************************************************************************
- *
- * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of version 2 of the GNU General Public License as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * 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.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
- *
- *
- ******************************************************************************/
-#ifndef _RTW_BR_EXT_H_
-#define _RTW_BR_EXT_H_
-
-#define MACADDRLEN 6
-#define _DEBUG_ERR DBG_88E
-#define _DEBUG_INFO DBG_88E
-#define DEBUG_WARN DBG_88E
-#define DEBUG_INFO DBG_88E
-#define DEBUG_ERR DBG_88E
-#define GET_MY_HWADDR(padapter) ((padapter)->eeprompriv.mac_addr)
-
-#define NAT25_HASH_BITS 4
-#define NAT25_HASH_SIZE (1 << NAT25_HASH_BITS)
-#define NAT25_AGEING_TIME 300
-
-#define MAX_NETWORK_ADDR_LEN 17
-
-struct nat25_network_db_entry {
- struct nat25_network_db_entry *next_hash;
- struct nat25_network_db_entry **pprev_hash;
- atomic_t use_count;
- unsigned char macAddr[6];
- unsigned long ageing_timer;
- unsigned char networkAddr[MAX_NETWORK_ADDR_LEN];
-};
-
-enum NAT25_METHOD {
- NAT25_MIN,
- NAT25_CHECK,
- NAT25_INSERT,
- NAT25_LOOKUP,
- NAT25_PARSE,
- NAT25_MAX
-};
-
-struct br_ext_info {
- unsigned int nat25_disable;
- unsigned int macclone_enable;
- unsigned int dhcp_bcst_disable;
- int addPPPoETag; /* 1: Add PPPoE relay-SID, 0: disable */
- unsigned char nat25_dmzMac[MACADDRLEN];
- unsigned int nat25sc_disable;
-};
-
-#endif /* _RTW_BR_EXT_H_ */
diff --git a/drivers/staging/rtl8188eu/os_dep/os_intfs.c b/drivers/staging/rtl8188eu/os_dep/os_intfs.c
index 1c30f4c..e19ec25 100644
--- a/drivers/staging/rtl8188eu/os_dep/os_intfs.c
+++ b/drivers/staging/rtl8188eu/os_dep/os_intfs.c
@@ -29,7 +29,6 @@
#include <usb_osintf.h>
#include <usb_hal.h>
-#include <rtw_br_ext.h>
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("Realtek Wireless Lan Driver");
--
1.7.10.4
rtw_br_client_tx() pass tx packet to functions responsible for
building NAT table.
Signed-off-by: navin patidar <[email protected]>
---
drivers/staging/rtl8188eu/core/rtw_xmit.c | 135 -----------------------------
1 file changed, 135 deletions(-)
diff --git a/drivers/staging/rtl8188eu/core/rtw_xmit.c b/drivers/staging/rtl8188eu/core/rtw_xmit.c
index 1413ec8..a113f0f 100644
--- a/drivers/staging/rtl8188eu/core/rtw_xmit.c
+++ b/drivers/staging/rtl8188eu/core/rtw_xmit.c
@@ -1676,127 +1676,6 @@ void rtw_init_hwxmits(struct hw_xmit *phwxmit, int entry)
phwxmit->accnt = 0;
}
-static int rtw_br_client_tx(struct adapter *padapter, struct sk_buff **pskb)
-{
- struct sk_buff *skb = *pskb;
- int res, is_vlan_tag = 0, i, do_nat25 = 1;
- unsigned short vlan_hdr = 0;
- void *br_port = NULL;
-
- rcu_read_lock();
- br_port = rcu_dereference(padapter->pnetdev->rx_handler_data);
- rcu_read_unlock();
- spin_lock_bh(&padapter->br_ext_lock);
- if (!(skb->data[0] & 1) && br_port &&
- memcmp(skb->data+MACADDRLEN, padapter->br_mac, MACADDRLEN) &&
- *((__be16 *)(skb->data+MACADDRLEN*2)) != __constant_htons(ETH_P_8021Q) &&
- *((__be16 *)(skb->data+MACADDRLEN*2)) == __constant_htons(ETH_P_IP) &&
- !memcmp(padapter->scdb_mac, skb->data+MACADDRLEN, MACADDRLEN) && padapter->scdb_entry) {
- memcpy(skb->data+MACADDRLEN, GET_MY_HWADDR(padapter), MACADDRLEN);
- padapter->scdb_entry->ageing_timer = jiffies;
- spin_unlock_bh(&padapter->br_ext_lock);
- } else {
- if (*((__be16 *)(skb->data+MACADDRLEN*2)) == __constant_htons(ETH_P_8021Q)) {
- is_vlan_tag = 1;
- vlan_hdr = *((unsigned short *)(skb->data+MACADDRLEN*2+2));
- for (i = 0; i < 6; i++)
- *((unsigned short *)(skb->data+MACADDRLEN*2+2-i*2)) = *((unsigned short *)(skb->data+MACADDRLEN*2-2-i*2));
- skb_pull(skb, 4);
- }
- if (!memcmp(skb->data+MACADDRLEN, padapter->br_mac, MACADDRLEN) &&
- (*((__be16 *)(skb->data+MACADDRLEN*2)) == __constant_htons(ETH_P_IP)))
- memcpy(padapter->br_ip, skb->data+WLAN_ETHHDR_LEN+12, 4);
-
- if (*((__be16 *)(skb->data+MACADDRLEN*2)) == __constant_htons(ETH_P_IP)) {
- if (memcmp(padapter->scdb_mac, skb->data+MACADDRLEN, MACADDRLEN)) {
- padapter->scdb_entry = (struct nat25_network_db_entry *)scdb_findEntry(padapter,
- skb->data+MACADDRLEN, skb->data+WLAN_ETHHDR_LEN+12);
- if (padapter->scdb_entry) {
- memcpy(padapter->scdb_mac, skb->data+MACADDRLEN, MACADDRLEN);
- memcpy(padapter->scdb_ip, skb->data+WLAN_ETHHDR_LEN+12, 4);
- padapter->scdb_entry->ageing_timer = jiffies;
- do_nat25 = 0;
- }
- } else {
- if (padapter->scdb_entry) {
- padapter->scdb_entry->ageing_timer = jiffies;
- do_nat25 = 0;
- } else {
- memset(padapter->scdb_mac, 0, MACADDRLEN);
- memset(padapter->scdb_ip, 0, 4);
- }
- }
- }
- spin_unlock_bh(&padapter->br_ext_lock);
- if (do_nat25) {
- if (nat25_db_handle(padapter, skb, NAT25_CHECK) == 0) {
- struct sk_buff *newskb;
-
- if (is_vlan_tag) {
- skb_push(skb, 4);
- for (i = 0; i < 6; i++)
- *((unsigned short *)(skb->data+i*2)) = *((unsigned short *)(skb->data+4+i*2));
- *((__be16 *)(skb->data+MACADDRLEN*2)) = __constant_htons(ETH_P_8021Q);
- *((unsigned short *)(skb->data+MACADDRLEN*2+2)) = vlan_hdr;
- }
-
- newskb = skb_copy(skb, GFP_ATOMIC);
- if (newskb == NULL) {
- DEBUG_ERR("TX DROP: skb_copy fail!\n");
- return -1;
- }
- dev_kfree_skb_any(skb);
-
- *pskb = skb = newskb;
- if (is_vlan_tag) {
- vlan_hdr = *((unsigned short *)(skb->data+MACADDRLEN*2+2));
- for (i = 0; i < 6; i++)
- *((unsigned short *)(skb->data+MACADDRLEN*2+2-i*2)) = *((unsigned short *)(skb->data+MACADDRLEN*2-2-i*2));
- skb_pull(skb, 4);
- }
- }
-
- if (skb_is_nonlinear(skb))
- DEBUG_ERR("%s(): skb_is_nonlinear!!\n", __func__);
-
- res = skb_linearize(skb);
- if (res < 0) {
- DEBUG_ERR("TX DROP: skb_linearize fail!\n");
- return -1;
- }
-
- res = nat25_db_handle(padapter, skb, NAT25_INSERT);
- if (res < 0) {
- if (res == -2) {
- DEBUG_ERR("TX DROP: nat25_db_handle fail!\n");
- return -1;
- }
- return 0;
- }
- }
-
- memcpy(skb->data+MACADDRLEN, GET_MY_HWADDR(padapter), MACADDRLEN);
-
- dhcp_flag_bcast(padapter, skb);
-
- if (is_vlan_tag) {
- skb_push(skb, 4);
- for (i = 0; i < 6; i++)
- *((unsigned short *)(skb->data+i*2)) = *((unsigned short *)(skb->data+4+i*2));
- *((__be16 *)(skb->data+MACADDRLEN*2)) = __constant_htons(ETH_P_8021Q);
- *((unsigned short *)(skb->data+MACADDRLEN*2+2)) = vlan_hdr;
- }
- }
-
- /* check if SA is equal to our MAC */
- if (memcmp(skb->data+MACADDRLEN, GET_MY_HWADDR(padapter), MACADDRLEN)) {
- DEBUG_ERR("TX DROP: untransformed frame SA:%02X%02X%02X%02X%02X%02X!\n",
- skb->data[6], skb->data[7], skb->data[8], skb->data[9], skb->data[10], skb->data[11]);
- return -1;
- }
- return 0;
-}
-
u32 rtw_get_ff_hwaddr(struct xmit_frame *pxmitframe)
{
u32 addr;
@@ -1856,8 +1735,6 @@ s32 rtw_xmit(struct adapter *padapter, struct sk_buff **ppkt)
{
struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
struct xmit_frame *pxmitframe = NULL;
- struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
- void *br_port = NULL;
s32 res;
pxmitframe = rtw_alloc_xmitframe(pxmitpriv);
@@ -1867,18 +1744,6 @@ s32 rtw_xmit(struct adapter *padapter, struct sk_buff **ppkt)
return -1;
}
- rcu_read_lock();
- br_port = rcu_dereference(padapter->pnetdev->rx_handler_data);
- rcu_read_unlock();
-
- if (br_port && check_fwstate(pmlmepriv, WIFI_STATION_STATE|WIFI_ADHOC_STATE)) {
- res = rtw_br_client_tx(padapter, ppkt);
- if (res == -1) {
- rtw_free_xmitframe(pxmitpriv, pxmitframe);
- return -1;
- }
- }
-
res = update_attrib(padapter, *ppkt, &pxmitframe->attrib);
if (res == _FAIL) {
--
1.7.10.4