diff options
Diffstat (limited to 'net/arp.c')
| -rw-r--r-- | net/arp.c | 20 |
1 files changed, 13 insertions, 7 deletions
@@ -34,8 +34,7 @@ uchar *arp_wait_packet_ethaddr; int arp_wait_tx_packet_size; ulong arp_wait_timer_start; int arp_wait_try; - -static uchar *arp_tx_packet; /* THE ARP transmit packet */ +uchar *arp_tx_packet; /* THE ARP transmit packet */ static uchar arp_tx_packet_buf[PKTSIZE_ALIGN + PKTALIGN]; void arp_init(void) @@ -100,7 +99,7 @@ int arp_timeout_check(void) { ulong t; - if (!net_arp_wait_packet_ip.s_addr) + if (!arp_is_waiting()) return 0; t = get_timer(0); @@ -126,6 +125,7 @@ void arp_receive(struct ethernet_hdr *et, struct ip_udp_hdr *ip, int len) struct arp_hdr *arp; struct in_addr reply_ip_addr; int eth_hdr_size; + uchar *tx_packet; /* * We have to deal with two types of ARP packets: @@ -182,13 +182,14 @@ void arp_receive(struct ethernet_hdr *et, struct ip_udp_hdr *ip, int len) (net_read_ip(&arp->ar_spa).s_addr & net_netmask.s_addr)) udelay(5000); #endif - memcpy(net_tx_packet, et, eth_hdr_size + ARP_HDR_SIZE); - net_send_packet(net_tx_packet, eth_hdr_size + ARP_HDR_SIZE); + tx_packet = net_get_async_tx_pkt_buf(); + memcpy(tx_packet, et, eth_hdr_size + ARP_HDR_SIZE); + net_send_packet(tx_packet, eth_hdr_size + ARP_HDR_SIZE); return; case ARPOP_REPLY: /* arp reply */ - /* are we waiting for a reply */ - if (!net_arp_wait_packet_ip.s_addr) + /* are we waiting for a reply? */ + if (!arp_is_waiting()) break; #ifdef CONFIG_KEEP_SERVERADDR @@ -233,3 +234,8 @@ void arp_receive(struct ethernet_hdr *et, struct ip_udp_hdr *ip, int len) return; } } + +bool arp_is_waiting(void) +{ + return !!net_arp_wait_packet_ip.s_addr; +} |