net: cosmetic: Cleanup internal packet buffer names
[oweals/u-boot.git] / net / arp.c
index 8e1d2edd6207a43e4ad16a5d42a3aad8147427ce..6841b616e18c27473db8ec2e313f6ff01f111fd2 100644 (file)
--- a/net/arp.c
+++ b/net/arp.c
@@ -6,6 +6,7 @@
  *     Copyright 2000 Roland Borde
  *     Copyright 2000 Paolo Scaffardi
  *     Copyright 2000-2002 Wolfgang Denk, wd@denx.de
+ *     SPDX-License-Identifier:        GPL-2.0
  */
 
 #include <common.h>
 # define ARP_TIMEOUT_COUNT     CONFIG_NET_RETRY_COUNT
 #endif
 
-IPaddr_t       NetArpWaitPacketIP;
-IPaddr_t       NetArpWaitReplyIP;
+struct in_addr net_arp_wait_packet_ip;
+static struct in_addr net_arp_wait_reply_ip;
 /* MAC address of waiting packet's destination */
 uchar         *NetArpWaitPacketMAC;
 int            NetArpWaitTxPacketSize;
 ulong          NetArpWaitTimerStart;
 int            NetArpWaitTry;
 
-uchar         *NetArpTxPacket; /* THE ARP transmit packet */
-uchar          NetArpPacketBuf[PKTSIZE_ALIGN + PKTALIGN];
+static uchar   *net_arp_tx_packet;     /* THE ARP transmit packet */
+static uchar   NetArpPacketBuf[PKTSIZE_ALIGN + PKTALIGN];
 
 void ArpInit(void)
 {
        /* XXX problem with bss workaround */
        NetArpWaitPacketMAC = NULL;
-       NetArpWaitPacketIP = 0;
-       NetArpWaitReplyIP = 0;
+       net_arp_wait_packet_ip.s_addr = 0;
+       net_arp_wait_reply_ip.s_addr = 0;
        NetArpWaitTxPacketSize = 0;
-       NetArpTxPacket = &NetArpPacketBuf[0] + (PKTALIGN - 1);
-       NetArpTxPacket -= (ulong)NetArpTxPacket % PKTALIGN;
+       net_arp_tx_packet = &NetArpPacketBuf[0] + (PKTALIGN - 1);
+       net_arp_tx_packet -= (ulong)net_arp_tx_packet % PKTALIGN;
 }
 
-void arp_raw_request(IPaddr_t sourceIP, const uchar *targetEther,
-       IPaddr_t targetIP)
+void arp_raw_request(struct in_addr source_ip, const uchar *targetEther,
+       struct in_addr target_ip)
 {
        uchar *pkt;
        struct arp_hdr *arp;
@@ -57,9 +58,9 @@ void arp_raw_request(IPaddr_t sourceIP, const uchar *targetEther,
 
        debug_cond(DEBUG_DEV_PKT, "ARP broadcast %d\n", NetArpWaitTry);
 
-       pkt = NetArpTxPacket;
+       pkt = net_arp_tx_packet;
 
-       eth_hdr_size = NetSetEther(pkt, NetBcastAddr, PROT_ARP);
+       eth_hdr_size = net_set_ether(pkt, net_bcast_ethaddr, PROT_ARP);
        pkt += eth_hdr_size;
 
        arp = (struct arp_hdr *) pkt;
@@ -70,36 +71,36 @@ void arp_raw_request(IPaddr_t sourceIP, const uchar *targetEther,
        arp->ar_pln = ARP_PLEN;
        arp->ar_op = htons(ARPOP_REQUEST);
 
-       memcpy(&arp->ar_sha, NetOurEther, ARP_HLEN);    /* source ET addr */
-       NetWriteIP(&arp->ar_spa, sourceIP);             /* source IP addr */
+       memcpy(&arp->ar_sha, net_ethaddr, ARP_HLEN);    /* source ET addr */
+       net_write_ip(&arp->ar_spa, source_ip);          /* source IP addr */
        memcpy(&arp->ar_tha, targetEther, ARP_HLEN);    /* target ET addr */
-       NetWriteIP(&arp->ar_tpa, targetIP);             /* target IP addr */
+       net_write_ip(&arp->ar_tpa, target_ip);          /* target IP addr */
 
-       NetSendPacket(NetArpTxPacket, eth_hdr_size + ARP_HDR_SIZE);
+       net_send_packet(net_arp_tx_packet, eth_hdr_size + ARP_HDR_SIZE);
 }
 
 void ArpRequest(void)
 {
-       if ((NetArpWaitPacketIP & NetOurSubnetMask) !=
-           (NetOurIP & NetOurSubnetMask)) {
-               if (NetOurGatewayIP == 0) {
+       if ((net_arp_wait_packet_ip.s_addr & net_netmask.s_addr) !=
+           (net_ip.s_addr & net_netmask.s_addr)) {
+               if (net_gateway.s_addr == 0) {
                        puts("## Warning: gatewayip needed but not set\n");
-                       NetArpWaitReplyIP = NetArpWaitPacketIP;
+                       net_arp_wait_reply_ip = net_arp_wait_packet_ip;
                } else {
-                       NetArpWaitReplyIP = NetOurGatewayIP;
+                       net_arp_wait_reply_ip = net_gateway;
                }
        } else {
-               NetArpWaitReplyIP = NetArpWaitPacketIP;
+               net_arp_wait_reply_ip = net_arp_wait_packet_ip;
        }
 
-       arp_raw_request(NetOurIP, NetEtherNullAddr, NetArpWaitReplyIP);
+       arp_raw_request(net_ip, net_null_ethaddr, net_arp_wait_reply_ip);
 }
 
 void ArpTimeoutCheck(void)
 {
        ulong t;
 
-       if (!NetArpWaitPacketIP)
+       if (!net_arp_wait_packet_ip.s_addr)
                return;
 
        t = get_timer(0);
@@ -122,7 +123,7 @@ void ArpTimeoutCheck(void)
 void ArpReceive(struct ethernet_hdr *et, struct ip_udp_hdr *ip, int len)
 {
        struct arp_hdr *arp;
-       IPaddr_t reply_ip_addr;
+       struct in_addr reply_ip_addr;
        uchar *pkt;
        int eth_hdr_size;
 
@@ -151,10 +152,10 @@ void ArpReceive(struct ethernet_hdr *et, struct ip_udp_hdr *ip, int len)
        if (arp->ar_pln != ARP_PLEN)
                return;
 
-       if (NetOurIP == 0)
+       if (net_ip.s_addr == 0)
                return;
 
-       if (NetReadIP(&arp->ar_tpa) != NetOurIP)
+       if (net_read_ip(&arp->ar_tpa).s_addr != net_ip.s_addr)
                return;
 
        switch (ntohs(arp->ar_op)) {
@@ -166,9 +167,9 @@ void ArpReceive(struct ethernet_hdr *et, struct ip_udp_hdr *ip, int len)
                pkt += eth_hdr_size;
                arp->ar_op = htons(ARPOP_REPLY);
                memcpy(&arp->ar_tha, &arp->ar_sha, ARP_HLEN);
-               NetCopyIP(&arp->ar_tpa, &arp->ar_spa);
-               memcpy(&arp->ar_sha, NetOurEther, ARP_HLEN);
-               NetCopyIP(&arp->ar_spa, &NetOurIP);
+               net_copy_ip(&arp->ar_tpa, &arp->ar_spa);
+               memcpy(&arp->ar_sha, net_ethaddr, ARP_HLEN);
+               net_copy_ip(&arp->ar_spa, &net_ip);
 
 #ifdef CONFIG_CMD_LINK_LOCAL
                /*
@@ -179,30 +180,30 @@ void ArpReceive(struct ethernet_hdr *et, struct ip_udp_hdr *ip, int len)
                 *   reply to ARP request so that our reply will overwrite
                 *   the arp-proxy's instead of the other way around.
                 */
-               if ((NetReadIP(&arp->ar_tpa) & NetOurSubnetMask) !=
-                   (NetReadIP(&arp->ar_spa) & NetOurSubnetMask))
+               if ((net_read_ip(&arp->ar_tpa).s_addr & net_netmask.s_addr) !=
+                   (net_read_ip(&arp->ar_spa).s_addr & net_netmask.s_addr))
                        udelay(5000);
 #endif
-               NetSendPacket((uchar *)et, eth_hdr_size + ARP_HDR_SIZE);
+               net_send_packet((uchar *)et, eth_hdr_size + ARP_HDR_SIZE);
                return;
 
        case ARPOP_REPLY:               /* arp reply */
                /* are we waiting for a reply */
-               if (!NetArpWaitPacketIP)
+               if (!net_arp_wait_packet_ip.s_addr)
                        break;
 
 #ifdef CONFIG_KEEP_SERVERADDR
-               if (NetServerIP == NetArpWaitPacketIP) {
+               if (net_server_ip.s_addr == net_arp_wait_packet_ip.s_addr) {
                        char buf[20];
                        sprintf(buf, "%pM", &arp->ar_sha);
                        setenv("serveraddr", buf);
                }
 #endif
 
-               reply_ip_addr = NetReadIP(&arp->ar_spa);
+               reply_ip_addr = net_read_ip(&arp->ar_spa);
 
                /* matched waiting packet's address */
-               if (reply_ip_addr == NetArpWaitReplyIP) {
+               if (reply_ip_addr.s_addr == net_arp_wait_reply_ip.s_addr) {
                        debug_cond(DEBUG_DEV_PKT,
                                "Got ARP REPLY, set eth addr (%pM)\n",
                                arp->ar_data);
@@ -217,12 +218,12 @@ void ArpReceive(struct ethernet_hdr *et, struct ip_udp_hdr *ip, int len)
 
                        /* set the mac address in the waiting packet's header
                           and transmit it */
-                       memcpy(((struct ethernet_hdr *)NetTxPacket)->et_dest,
-                               &arp->ar_sha, ARP_HLEN);
-                       NetSendPacket(NetTxPacket, NetArpWaitTxPacketSize);
+                       memcpy(((struct ethernet_hdr *)net_tx_packet)->et_dest,
+                              &arp->ar_sha, ARP_HLEN);
+                       net_send_packet(net_tx_packet, NetArpWaitTxPacketSize);
 
                        /* no arp request pending now */
-                       NetArpWaitPacketIP = 0;
+                       net_arp_wait_packet_ip.s_addr = 0;
                        NetArpWaitTxPacketSize = 0;
                        NetArpWaitPacketMAC = NULL;