diff options
Diffstat (limited to 'net/ipv4/ipconfig.c')
| -rw-r--r-- | net/ipv4/ipconfig.c | 35 |
1 files changed, 22 insertions, 13 deletions
diff --git a/net/ipv4/ipconfig.c b/net/ipv4/ipconfig.c index cbff2ecccf3d..ab7e5542c1cf 100644 --- a/net/ipv4/ipconfig.c +++ b/net/ipv4/ipconfig.c @@ -87,8 +87,8 @@ #endif /* Define the friendly delay before and after opening net devices */ -#define CONF_PRE_OPEN 500 /* Before opening: 1/2 second */ -#define CONF_POST_OPEN 1 /* After opening: 1 second */ +#define CONF_POST_OPEN 10 /* After opening: 10 msecs */ +#define CONF_CARRIER_TIMEOUT 120000 /* Wait for carrier timeout */ /* Define the timeout for waiting for a DHCP/BOOTP/RARP reply */ #define CONF_OPEN_RETRIES 2 /* (Re)open devices twice */ @@ -188,14 +188,14 @@ struct ic_device { static struct ic_device *ic_first_dev __initdata = NULL;/* List of open device */ static struct net_device *ic_dev __initdata = NULL; /* Selected device */ -static bool __init ic_device_match(struct net_device *dev) +static bool __init ic_is_init_dev(struct net_device *dev) { - if (user_dev_name[0] ? !strcmp(dev->name, user_dev_name) : + if (dev->flags & IFF_LOOPBACK) + return false; + return user_dev_name[0] ? !strcmp(dev->name, user_dev_name) : (!(dev->flags & IFF_LOOPBACK) && (dev->flags & (IFF_POINTOPOINT|IFF_BROADCAST)) && - strncmp(dev->name, "dummy", 5))) - return true; - return false; + strncmp(dev->name, "dummy", 5)); } static int __init ic_open_devs(void) @@ -203,6 +203,7 @@ static int __init ic_open_devs(void) struct ic_device *d, **last; struct net_device *dev; unsigned short oflags; + unsigned long start; last = &ic_first_dev; rtnl_lock(); @@ -216,9 +217,7 @@ static int __init ic_open_devs(void) } for_each_netdev(&init_net, dev) { - if (dev->flags & IFF_LOOPBACK) - continue; - if (ic_device_match(dev)) { + if (ic_is_init_dev(dev)) { int able = 0; if (dev->mtu >= 364) able |= IC_BOOTP; @@ -252,6 +251,17 @@ static int __init ic_open_devs(void) dev->name, able, d->xid)); } } + + /* wait for a carrier on at least one device */ + start = jiffies; + while (jiffies - start < msecs_to_jiffies(CONF_CARRIER_TIMEOUT)) { + for_each_netdev(&init_net, dev) + if (ic_is_init_dev(dev) && netif_carrier_ok(dev)) + goto have_carrier; + + msleep(1); + } +have_carrier: rtnl_unlock(); *last = NULL; @@ -1324,14 +1334,13 @@ static int __init wait_for_devices(void) { int i; - msleep(CONF_PRE_OPEN); for (i = 0; i < DEVICE_WAIT_MAX; i++) { struct net_device *dev; int found = 0; rtnl_lock(); for_each_netdev(&init_net, dev) { - if (ic_device_match(dev)) { + if (ic_is_init_dev(dev)) { found = 1; break; } @@ -1378,7 +1387,7 @@ static int __init ip_auto_config(void) return err; /* Give drivers a chance to settle */ - ssleep(CONF_POST_OPEN); + msleep(CONF_POST_OPEN); /* * If the config information is insufficient (e.g., our IP address or |