mirror of
https://github.com/RinCat/RTL88x2BU-Linux-Driver.git
synced 2024-09-19 16:06:56 +00:00
Drop IPX and Apple Talk support for 5.15
This commit is contained in:
Rin Cat (鈴猫)
parent
c0e109d401
commit
f4d598d634
@ -17,8 +17,6 @@
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#ifdef __KERNEL__
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#include <linux/if_arp.h>
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#include <net/ip.h>
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#include <net/ipx.h>
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#include <linux/atalk.h>
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#include <linux/udp.h>
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#include <linux/if_pppox.h>
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#endif
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@ -57,8 +55,6 @@
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#define NAT25_IPV4 01
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#define NAT25_IPV6 02
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#define NAT25_IPX 03
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#define NAT25_APPLE 04
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#define NAT25_PPPOE 05
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#define RTL_RELAY_TAG_LEN (ETH_ALEN)
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@ -169,39 +165,6 @@ static __inline__ void __nat25_generate_ipv4_network_addr(unsigned char *network
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}
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static __inline__ void __nat25_generate_ipx_network_addr_with_node(unsigned char *networkAddr,
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unsigned int *ipxNetAddr, unsigned char *ipxNodeAddr)
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{
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memset(networkAddr, 0, MAX_NETWORK_ADDR_LEN);
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networkAddr[0] = NAT25_IPX;
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memcpy(networkAddr + 1, (unsigned char *)ipxNetAddr, 4);
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memcpy(networkAddr + 5, ipxNodeAddr, 6);
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}
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static __inline__ void __nat25_generate_ipx_network_addr_with_socket(unsigned char *networkAddr,
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unsigned int *ipxNetAddr, unsigned short *ipxSocketAddr)
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{
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memset(networkAddr, 0, MAX_NETWORK_ADDR_LEN);
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networkAddr[0] = NAT25_IPX;
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memcpy(networkAddr + 1, (unsigned char *)ipxNetAddr, 4);
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memcpy(networkAddr + 5, (unsigned char *)ipxSocketAddr, 2);
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}
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static __inline__ void __nat25_generate_apple_network_addr(unsigned char *networkAddr,
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unsigned short *network, unsigned char *node)
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{
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memset(networkAddr, 0, MAX_NETWORK_ADDR_LEN);
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networkAddr[0] = NAT25_APPLE;
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memcpy(networkAddr + 1, (unsigned char *)network, 2);
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networkAddr[3] = *node;
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}
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static __inline__ void __nat25_generate_pppoe_network_addr(unsigned char *networkAddr,
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unsigned char *ac_mac, unsigned short *sid)
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{
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@ -329,19 +292,6 @@ static __inline__ int __nat25_network_hash(unsigned char *networkAddr)
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x = networkAddr[7] ^ networkAddr[8] ^ networkAddr[9] ^ networkAddr[10];
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return x & (NAT25_HASH_SIZE - 1);
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} else if (networkAddr[0] == NAT25_IPX) {
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unsigned long x;
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x = networkAddr[1] ^ networkAddr[2] ^ networkAddr[3] ^ networkAddr[4] ^ networkAddr[5] ^
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networkAddr[6] ^ networkAddr[7] ^ networkAddr[8] ^ networkAddr[9] ^ networkAddr[10];
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return x & (NAT25_HASH_SIZE - 1);
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} else if (networkAddr[0] == NAT25_APPLE) {
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unsigned long x;
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x = networkAddr[1] ^ networkAddr[2] ^ networkAddr[3];
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return x & (NAT25_HASH_SIZE - 1);
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} else if (networkAddr[0] == NAT25_PPPOE) {
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unsigned long x;
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@ -889,226 +839,6 @@ int nat25_db_handle(_adapter *priv, struct sk_buff *skb, int method)
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}
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}
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/*---------------------------------------------------*/
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/* Handle IPX and Apple Talk frame */
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/*---------------------------------------------------*/
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else if ((protocol == __constant_htons(ETH_P_IPX)) ||
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(protocol == __constant_htons(ETH_P_ATALK)) ||
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(protocol == __constant_htons(ETH_P_AARP))) {
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unsigned char ipx_header[2] = {0xFF, 0xFF};
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struct ipxhdr *ipx = NULL;
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struct elapaarp *ea = NULL;
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struct ddpehdr *ddp = NULL;
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unsigned char *framePtr = skb->data + ETH_HLEN;
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if (protocol == __constant_htons(ETH_P_IPX)) {
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RTW_INFO("NAT25: Protocol=IPX (Ethernet II)\n");
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ipx = (struct ipxhdr *)framePtr;
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} else { /* if(protocol <= __constant_htons(ETH_FRAME_LEN)) */
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if (!memcmp(ipx_header, framePtr, 2)) {
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RTW_INFO("NAT25: Protocol=IPX (Ethernet 802.3)\n");
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ipx = (struct ipxhdr *)framePtr;
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} else {
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unsigned char ipx_8022_type = 0xE0;
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unsigned char snap_8022_type = 0xAA;
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if (*framePtr == snap_8022_type) {
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unsigned char ipx_snap_id[5] = {0x0, 0x0, 0x0, 0x81, 0x37}; /* IPX SNAP ID */
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unsigned char aarp_snap_id[5] = {0x00, 0x00, 0x00, 0x80, 0xF3}; /* Apple Talk AARP SNAP ID */
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unsigned char ddp_snap_id[5] = {0x08, 0x00, 0x07, 0x80, 0x9B}; /* Apple Talk DDP SNAP ID */
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framePtr += 3; /* eliminate the 802.2 header */
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if (!memcmp(ipx_snap_id, framePtr, 5)) {
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framePtr += 5; /* eliminate the SNAP header */
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RTW_INFO("NAT25: Protocol=IPX (Ethernet SNAP)\n");
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ipx = (struct ipxhdr *)framePtr;
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} else if (!memcmp(aarp_snap_id, framePtr, 5)) {
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framePtr += 5; /* eliminate the SNAP header */
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ea = (struct elapaarp *)framePtr;
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} else if (!memcmp(ddp_snap_id, framePtr, 5)) {
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framePtr += 5; /* eliminate the SNAP header */
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ddp = (struct ddpehdr *)framePtr;
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} else {
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DEBUG_WARN("NAT25: Protocol=Ethernet SNAP %02x%02x%02x%02x%02x\n", framePtr[0],
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framePtr[1], framePtr[2], framePtr[3], framePtr[4]);
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return -1;
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}
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} else if (*framePtr == ipx_8022_type) {
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framePtr += 3; /* eliminate the 802.2 header */
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if (!memcmp(ipx_header, framePtr, 2)) {
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RTW_INFO("NAT25: Protocol=IPX (Ethernet 802.2)\n");
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ipx = (struct ipxhdr *)framePtr;
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} else
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return -1;
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}
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}
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}
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/* IPX */
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if (ipx != NULL) {
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switch (method) {
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case NAT25_CHECK:
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if (!memcmp(skb->data + ETH_ALEN, ipx->ipx_source.node, ETH_ALEN)) {
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RTW_INFO("NAT25: Check IPX skb_copy\n");
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return 0;
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}
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return -1;
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case NAT25_INSERT: {
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RTW_INFO("NAT25: Insert IPX, Dest=%08x,%02x%02x%02x%02x%02x%02x,%04x Source=%08x,%02x%02x%02x%02x%02x%02x,%04x\n",
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ipx->ipx_dest.net,
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ipx->ipx_dest.node[0],
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ipx->ipx_dest.node[1],
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ipx->ipx_dest.node[2],
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ipx->ipx_dest.node[3],
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ipx->ipx_dest.node[4],
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ipx->ipx_dest.node[5],
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ipx->ipx_dest.sock,
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ipx->ipx_source.net,
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ipx->ipx_source.node[0],
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ipx->ipx_source.node[1],
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ipx->ipx_source.node[2],
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ipx->ipx_source.node[3],
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ipx->ipx_source.node[4],
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ipx->ipx_source.node[5],
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ipx->ipx_source.sock);
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if (!memcmp(skb->data + ETH_ALEN, ipx->ipx_source.node, ETH_ALEN)) {
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RTW_INFO("NAT25: Use IPX Net, and Socket as network addr\n");
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__nat25_generate_ipx_network_addr_with_socket(networkAddr, &ipx->ipx_source.net, &ipx->ipx_source.sock);
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/* change IPX source node addr to wlan STA address */
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memcpy(ipx->ipx_source.node, GET_MY_HWADDR(priv), ETH_ALEN);
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} else
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__nat25_generate_ipx_network_addr_with_node(networkAddr, &ipx->ipx_source.net, ipx->ipx_source.node);
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__nat25_db_network_insert(priv, skb->data + ETH_ALEN, networkAddr);
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__nat25_db_print(priv);
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}
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return 0;
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case NAT25_LOOKUP: {
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if (!memcmp(GET_MY_HWADDR(priv), ipx->ipx_dest.node, ETH_ALEN)) {
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RTW_INFO("NAT25: Lookup IPX, Modify Destination IPX Node addr\n");
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__nat25_generate_ipx_network_addr_with_socket(networkAddr, &ipx->ipx_dest.net, &ipx->ipx_dest.sock);
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__nat25_db_network_lookup_and_replace(priv, skb, networkAddr);
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/* replace IPX destination node addr with Lookup destination MAC addr */
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memcpy(ipx->ipx_dest.node, skb->data, ETH_ALEN);
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} else {
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__nat25_generate_ipx_network_addr_with_node(networkAddr, &ipx->ipx_dest.net, ipx->ipx_dest.node);
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__nat25_db_network_lookup_and_replace(priv, skb, networkAddr);
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}
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}
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return 0;
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default:
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return -1;
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}
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}
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/* AARP */
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else if (ea != NULL) {
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/* Sanity check fields. */
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if (ea->hw_len != ETH_ALEN || ea->pa_len != AARP_PA_ALEN) {
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DEBUG_WARN("NAT25: Appletalk AARP Sanity check fail!\n");
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return -1;
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}
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switch (method) {
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case NAT25_CHECK:
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return 0;
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case NAT25_INSERT: {
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/* change to AARP source mac address to wlan STA address */
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memcpy(ea->hw_src, GET_MY_HWADDR(priv), ETH_ALEN);
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RTW_INFO("NAT25: Insert AARP, Source=%d,%d Destination=%d,%d\n",
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ea->pa_src_net,
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ea->pa_src_node,
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ea->pa_dst_net,
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ea->pa_dst_node);
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__nat25_generate_apple_network_addr(networkAddr, &ea->pa_src_net, &ea->pa_src_node);
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__nat25_db_network_insert(priv, skb->data + ETH_ALEN, networkAddr);
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__nat25_db_print(priv);
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}
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return 0;
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case NAT25_LOOKUP: {
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RTW_INFO("NAT25: Lookup AARP, Source=%d,%d Destination=%d,%d\n",
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ea->pa_src_net,
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ea->pa_src_node,
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ea->pa_dst_net,
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ea->pa_dst_node);
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__nat25_generate_apple_network_addr(networkAddr, &ea->pa_dst_net, &ea->pa_dst_node);
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__nat25_db_network_lookup_and_replace(priv, skb, networkAddr);
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/* change to AARP destination mac address to Lookup result */
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memcpy(ea->hw_dst, skb->data, ETH_ALEN);
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}
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return 0;
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default:
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return -1;
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}
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}
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/* DDP */
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else if (ddp != NULL) {
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switch (method) {
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case NAT25_CHECK:
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return -1;
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case NAT25_INSERT: {
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RTW_INFO("NAT25: Insert DDP, Source=%d,%d Destination=%d,%d\n",
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ddp->deh_snet,
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ddp->deh_snode,
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ddp->deh_dnet,
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ddp->deh_dnode);
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__nat25_generate_apple_network_addr(networkAddr, &ddp->deh_snet, &ddp->deh_snode);
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__nat25_db_network_insert(priv, skb->data + ETH_ALEN, networkAddr);
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__nat25_db_print(priv);
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}
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return 0;
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case NAT25_LOOKUP: {
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RTW_INFO("NAT25: Lookup DDP, Source=%d,%d Destination=%d,%d\n",
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ddp->deh_snet,
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ddp->deh_snode,
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ddp->deh_dnet,
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ddp->deh_dnode);
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__nat25_generate_apple_network_addr(networkAddr, &ddp->deh_dnet, &ddp->deh_dnode);
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__nat25_db_network_lookup_and_replace(priv, skb, networkAddr);
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}
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return 0;
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default:
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return -1;
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}
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}
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return -1;
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}
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/*---------------------------------------------------*/
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/* Handle PPPoE frame */
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