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https://github.com/AsahiLinux/u-boot
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net: cosmetic: Clean up ARP variables and functions
Make a thorough pass through all variables and function names contained within arp and remove CamelCase and improve naming. Signed-off-by: Joe Hershberger <joe.hershberger@ni.com> Acked-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Joe Hershberger
Simon Glass
parent
8885c5fe90
commit
85d25e0e76
4 changed files with 54 additions and 55 deletions
61
net/arp.c
61
net/arp.c
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@ -30,35 +30,35 @@
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struct in_addr net_arp_wait_packet_ip;
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static struct in_addr net_arp_wait_reply_ip;
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/* MAC address of waiting packet's destination */
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uchar *NetArpWaitPacketMAC;
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int NetArpWaitTxPacketSize;
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ulong NetArpWaitTimerStart;
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int NetArpWaitTry;
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uchar *arp_wait_packet_ethaddr;
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int arp_wait_tx_packet_size;
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ulong arp_wait_timer_start;
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int arp_wait_try;
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static uchar *net_arp_tx_packet; /* THE ARP transmit packet */
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static uchar NetArpPacketBuf[PKTSIZE_ALIGN + PKTALIGN];
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static uchar *arp_tx_packet; /* THE ARP transmit packet */
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static uchar arp_tx_packet_buf[PKTSIZE_ALIGN + PKTALIGN];
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void ArpInit(void)
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void arp_init(void)
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{
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/* XXX problem with bss workaround */
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NetArpWaitPacketMAC = NULL;
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arp_wait_packet_ethaddr = NULL;
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net_arp_wait_packet_ip.s_addr = 0;
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net_arp_wait_reply_ip.s_addr = 0;
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NetArpWaitTxPacketSize = 0;
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net_arp_tx_packet = &NetArpPacketBuf[0] + (PKTALIGN - 1);
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net_arp_tx_packet -= (ulong)net_arp_tx_packet % PKTALIGN;
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arp_wait_tx_packet_size = 0;
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arp_tx_packet = &arp_tx_packet_buf[0] + (PKTALIGN - 1);
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arp_tx_packet -= (ulong)arp_tx_packet % PKTALIGN;
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}
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void arp_raw_request(struct in_addr source_ip, const uchar *targetEther,
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void arp_raw_request(struct in_addr source_ip, const uchar *target_ethaddr,
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struct in_addr target_ip)
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{
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uchar *pkt;
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struct arp_hdr *arp;
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int eth_hdr_size;
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debug_cond(DEBUG_DEV_PKT, "ARP broadcast %d\n", NetArpWaitTry);
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debug_cond(DEBUG_DEV_PKT, "ARP broadcast %d\n", arp_wait_try);
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pkt = net_arp_tx_packet;
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pkt = arp_tx_packet;
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eth_hdr_size = net_set_ether(pkt, net_bcast_ethaddr, PROT_ARP);
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pkt += eth_hdr_size;
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@ -73,13 +73,13 @@ void arp_raw_request(struct in_addr source_ip, const uchar *targetEther,
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memcpy(&arp->ar_sha, net_ethaddr, ARP_HLEN); /* source ET addr */
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net_write_ip(&arp->ar_spa, source_ip); /* source IP addr */
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memcpy(&arp->ar_tha, targetEther, ARP_HLEN); /* target ET addr */
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memcpy(&arp->ar_tha, target_ethaddr, ARP_HLEN); /* target ET addr */
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net_write_ip(&arp->ar_tpa, target_ip); /* target IP addr */
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net_send_packet(net_arp_tx_packet, eth_hdr_size + ARP_HDR_SIZE);
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net_send_packet(arp_tx_packet, eth_hdr_size + ARP_HDR_SIZE);
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}
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void ArpRequest(void)
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void arp_request(void)
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{
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if ((net_arp_wait_packet_ip.s_addr & net_netmask.s_addr) !=
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(net_ip.s_addr & net_netmask.s_addr)) {
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@ -96,7 +96,7 @@ void ArpRequest(void)
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arp_raw_request(net_ip, net_null_ethaddr, net_arp_wait_reply_ip);
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}
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void ArpTimeoutCheck(void)
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void arp_timeout_check(void)
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{
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ulong t;
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@ -106,21 +106,21 @@ void ArpTimeoutCheck(void)
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t = get_timer(0);
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/* check for arp timeout */
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if ((t - NetArpWaitTimerStart) > ARP_TIMEOUT) {
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NetArpWaitTry++;
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if ((t - arp_wait_timer_start) > ARP_TIMEOUT) {
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arp_wait_try++;
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if (NetArpWaitTry >= ARP_TIMEOUT_COUNT) {
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if (arp_wait_try >= ARP_TIMEOUT_COUNT) {
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puts("\nARP Retry count exceeded; starting again\n");
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NetArpWaitTry = 0;
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arp_wait_try = 0;
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NetStartAgain();
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} else {
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NetArpWaitTimerStart = t;
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ArpRequest();
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arp_wait_timer_start = t;
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arp_request();
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}
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}
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}
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void ArpReceive(struct ethernet_hdr *et, struct ip_udp_hdr *ip, int len)
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void arp_receive(struct ethernet_hdr *et, struct ip_udp_hdr *ip, int len)
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{
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struct arp_hdr *arp;
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struct in_addr reply_ip_addr;
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@ -209,8 +209,8 @@ void ArpReceive(struct ethernet_hdr *et, struct ip_udp_hdr *ip, int len)
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arp->ar_data);
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/* save address for later use */
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if (NetArpWaitPacketMAC != NULL)
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memcpy(NetArpWaitPacketMAC,
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if (arp_wait_packet_ethaddr != NULL)
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memcpy(arp_wait_packet_ethaddr,
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&arp->ar_sha, ARP_HLEN);
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net_get_arp_handler()((uchar *)arp, 0, reply_ip_addr,
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@ -220,13 +220,12 @@ void ArpReceive(struct ethernet_hdr *et, struct ip_udp_hdr *ip, int len)
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and transmit it */
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memcpy(((struct ethernet_hdr *)net_tx_packet)->et_dest,
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&arp->ar_sha, ARP_HLEN);
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net_send_packet(net_tx_packet, NetArpWaitTxPacketSize);
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net_send_packet(net_tx_packet, arp_wait_tx_packet_size);
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/* no arp request pending now */
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net_arp_wait_packet_ip.s_addr = 0;
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NetArpWaitTxPacketSize = 0;
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NetArpWaitPacketMAC = NULL;
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arp_wait_tx_packet_size = 0;
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arp_wait_packet_ethaddr = NULL;
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}
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return;
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default:
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16
net/arp.h
16
net/arp.h
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@ -16,16 +16,16 @@
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extern struct in_addr net_arp_wait_packet_ip;
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/* MAC address of waiting packet's destination */
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extern uchar *NetArpWaitPacketMAC;
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extern int NetArpWaitTxPacketSize;
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extern ulong NetArpWaitTimerStart;
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extern int NetArpWaitTry;
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extern uchar *arp_wait_packet_ethaddr;
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extern int arp_wait_tx_packet_size;
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extern ulong arp_wait_timer_start;
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extern int arp_wait_try;
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void ArpInit(void);
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void ArpRequest(void);
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void arp_init(void);
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void arp_request(void);
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void arp_raw_request(struct in_addr source_ip, const uchar *targetEther,
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struct in_addr target_ip);
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void ArpTimeoutCheck(void);
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void ArpReceive(struct ethernet_hdr *et, struct ip_udp_hdr *ip, int len);
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void arp_timeout_check(void);
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void arp_receive(struct ethernet_hdr *et, struct ip_udp_hdr *ip, int len);
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#endif /* __ARP_H__ */
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16
net/net.c
16
net/net.c
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@ -302,7 +302,7 @@ void net_init(void)
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net_rx_packets[i] = net_tx_packet +
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(i + 1) * PKTSIZE_ALIGN;
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}
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ArpInit();
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arp_init();
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net_clear_handlers();
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/* Only need to setup buffer pointers once. */
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@ -495,7 +495,7 @@ restart:
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goto done;
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}
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ArpTimeoutCheck();
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arp_timeout_check();
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/*
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* Check for a timeout, and run the timeout handler
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@ -733,15 +733,15 @@ int net_send_udp_packet(uchar *ether, struct in_addr dest, int dport, int sport,
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/* save the ip and eth addr for the packet to send after arp */
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net_arp_wait_packet_ip = dest;
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NetArpWaitPacketMAC = ether;
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arp_wait_packet_ethaddr = ether;
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/* size of the waiting packet */
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NetArpWaitTxPacketSize = pkt_hdr_size + payload_len;
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arp_wait_tx_packet_size = pkt_hdr_size + payload_len;
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/* and do the ARP request */
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NetArpWaitTry = 1;
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NetArpWaitTimerStart = get_timer(0);
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ArpRequest();
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arp_wait_try = 1;
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arp_wait_timer_start = get_timer(0);
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arp_request();
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return 1; /* waiting */
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} else {
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debug_cond(DEBUG_DEV_PKT, "sending UDP to %pI4/%pM\n",
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@ -1059,7 +1059,7 @@ void net_process_received_packet(uchar *in_packet, int len)
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switch (eth_proto) {
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case PROT_ARP:
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ArpReceive(et, ip, len);
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arp_receive(et, ip, len);
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break;
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#ifdef CONFIG_CMD_RARP
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@ -56,12 +56,12 @@ static int ping_send(void)
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set_icmp_header(pkt, net_ping_ip);
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/* size of the waiting packet */
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NetArpWaitTxPacketSize = eth_hdr_size + IP_ICMP_HDR_SIZE;
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arp_wait_tx_packet_size = eth_hdr_size + IP_ICMP_HDR_SIZE;
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/* and do the ARP request */
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NetArpWaitTry = 1;
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NetArpWaitTimerStart = get_timer(0);
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ArpRequest();
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arp_wait_try = 1;
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arp_wait_timer_start = get_timer(0);
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arp_request();
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return 1; /* waiting */
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}
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