diff options
Diffstat (limited to 'net/link_local.c')
-rw-r--r-- | net/link_local.c | 27 |
1 files changed, 16 insertions, 11 deletions
diff --git a/net/link_local.c b/net/link_local.c index 4152fae5bac..6d92c555fb0 100644 --- a/net/link_local.c +++ b/net/link_local.c @@ -49,7 +49,7 @@ static enum ll_state_t { DISABLED } state = DISABLED; -static IPaddr_t ip; +static struct in_addr ip; static int timeout_ms = -1; static unsigned deadline_ms; static unsigned conflicts; @@ -64,14 +64,16 @@ static void link_local_timeout(void); * Pick a random link local IP address on 169.254/16, except that * the first and last 256 addresses are reserved. */ -static IPaddr_t pick(void) +static struct in_addr pick(void) { unsigned tmp; + struct in_addr ip; do { tmp = rand_r(&seed) & IN_CLASSB_HOST; } while (tmp > (IN_CLASSB_HOST - 0x0200)); - return (IPaddr_t) htonl((LINKLOCAL_ADDR + 0x0100) + tmp); + ip.s_addr = htonl((LINKLOCAL_ADDR + 0x0100) + tmp); + return ip; } /** @@ -102,16 +104,17 @@ static void configure_wait(void) void link_local_start(void) { - ip = getenv_IPaddr("llipaddr"); - if (ip != 0 && (ntohl(ip) & IN_CLASSB_NET) != LINKLOCAL_ADDR) { + ip = getenv_ip("llipaddr"); + if (ip.s_addr != 0 && + (ntohl(ip.s_addr) & IN_CLASSB_NET) != LINKLOCAL_ADDR) { puts("invalid link address"); net_set_state(NETLOOP_FAIL); return; } - NetOurSubnetMask = IN_CLASSB_NET; + net_netmask.s_addr = IN_CLASSB_NET; seed = seed_mac(); - if (ip == 0) + if (ip.s_addr == 0) ip = pick(); state = PROBE; @@ -131,10 +134,12 @@ static void link_local_timeout(void) /* timeouts in the PROBE state mean no conflicting ARP packets have been received, so we can progress through the states */ if (nprobes < PROBE_NUM) { + struct in_addr zero_ip = {.s_addr = 0}; + nprobes++; debug_cond(DEBUG_LL_STATE, "probe/%u %s@%pI4\n", nprobes, eth_get_name(), &ip); - arp_raw_request(0, NetEtherNullAddr, ip); + arp_raw_request(zero_ip, NetEtherNullAddr, ip); timeout_ms = PROBE_MIN * 1000; timeout_ms += random_delay_ms(PROBE_MAX - PROBE_MIN); } else { @@ -172,7 +177,7 @@ static void link_local_timeout(void) /* Switch to monitor state */ state = MONITOR; printf("Successfully assigned %pI4\n", &ip); - NetCopyIP(&NetOurIP, &ip); + net_copy_ip(&net_ip, &ip); ready = 1; conflicts = 0; timeout_ms = -1; @@ -206,7 +211,7 @@ void link_local_receive_arp(struct arp_hdr *arp, int len) { int source_ip_conflict; int target_ip_conflict; - IPaddr_t null_ip = 0; + struct in_addr null_ip = {.s_addr = 0}; if (state == DISABLED) return; @@ -322,7 +327,7 @@ void link_local_receive_arp(struct arp_hdr *arp, int len) state = PROBE; debug("defend conflict -- starting over\n"); ready = 0; - NetOurIP = 0; + net_ip.s_addr = 0; /* restart the whole protocol */ ip = pick(); |