diff options
Diffstat (limited to 'net/link_local.c')
| -rw-r--r-- | net/link_local.c | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/net/link_local.c b/net/link_local.c index 3362863..d52f13a 100644 --- a/net/link_local.c +++ b/net/link_local.c @@ -56,6 +56,7 @@ static unsigned conflicts; static unsigned nprobes; static unsigned nclaims; static int ready; +static unsigned int seed; static void link_local_timeout(void); @@ -68,7 +69,7 @@ static IPaddr_t pick(void) unsigned tmp; do { - tmp = rand() & IN_CLASSB_HOST; + tmp = rand_r(&seed) & IN_CLASSB_HOST; } while (tmp > (IN_CLASSB_HOST - 0x0200)); return (IPaddr_t) htonl((LINKLOCAL_ADDR + 0x0100) + tmp); } @@ -78,7 +79,7 @@ static IPaddr_t pick(void) */ static inline unsigned random_delay_ms(unsigned secs) { - return rand() % (secs * 1000); + return rand_r(&seed) % (secs * 1000); } static void configure_wait(void) @@ -109,7 +110,7 @@ void link_local_start(void) } NetOurSubnetMask = IN_CLASSB_NET; - srand_mac(); + seed = seed_mac(); if (ip == 0) ip = pick(); @@ -224,12 +225,13 @@ void link_local_receive_arp(struct arp_hdr *arp, int len) timeout_ms = diff | 1; /* never 0 */ } } -/* - * XXX Don't bother with ethernet link just yet +#if 0 + /* XXX Don't bother with ethernet link just yet */ if ((fds[0].revents & POLLIN) == 0) { if (fds[0].revents & POLLERR) { - // FIXME: links routinely go down; - // this shouldn't necessarily exit. + /* + * FIXME: links routinely go down; + */ bb_error_msg("iface %s is down", eth_get_name()); if (ready) { run(argv, "deconfig", &ip); @@ -238,7 +240,7 @@ void link_local_receive_arp(struct arp_hdr *arp, int len) } continue; } -*/ +#endif debug_cond(DEBUG_INT_STATE, "%s recv arp type=%d, op=%d,\n", eth_get_name(), ntohs(arp->ar_pro), |