/* Define the timeout for waiting for a DHCP/BOOTP/RARP reply */
#define CONF_OPEN_RETRIES 2 /* (Re)open devices twice */
#define CONF_SEND_RETRIES 6 /* Send six requests per open */
-#define CONF_INTER_TIMEOUT (HZ) /* Inter-device timeout: 1 second */
#define CONF_BASE_TIMEOUT (HZ*2) /* Initial timeout: 2 seconds */
#define CONF_TIMEOUT_RANDOM (HZ) /* Maximum amount of randomization */
#define CONF_TIMEOUT_MULT *7/4 /* Rate of timeout growth */
};
static struct ic_device *ic_first_dev __initdata; /* List of open device */
-static struct net_device *ic_dev __initdata; /* Selected device */
+static struct ic_device *ic_dev __initdata; /* Selected device */
static bool __init ic_is_init_dev(struct net_device *dev)
{
while ((d = next)) {
next = d->next;
dev = d->dev;
- if (dev != ic_dev && !netdev_uses_dsa(dev)) {
+ if ((!ic_dev || dev != ic_dev->dev) && !netdev_uses_dsa(dev)) {
pr_debug("IP-Config: Downing %s\n", dev->name);
dev_change_flags(dev, d->flags);
}
int err;
memset(&ir, 0, sizeof(ir));
- strcpy(ir.ifr_ifrn.ifrn_name, ic_dev->name);
+ strcpy(ir.ifr_ifrn.ifrn_name, ic_dev->dev->name);
set_sockaddr(sin, ic_myaddr, 0);
if ((err = ic_devinet_ioctl(SIOCSIFADDR, &ir)) < 0) {
pr_err("IP-Config: Unable to set interface address (%d)\n",
* out, we'll try to muddle along.
*/
if (ic_dev_mtu != 0) {
- strcpy(ir.ifr_name, ic_dev->name);
+ strcpy(ir.ifr_name, ic_dev->dev->name);
ir.ifr_mtu = ic_dev_mtu;
if ((err = ic_dev_ioctl(SIOCSIFMTU, &ir)) < 0)
pr_err("IP-Config: Unable to set interface mtu to %d (%d)\n",
goto drop_unlock;
/* We have a winner! */
- ic_dev = dev;
+ ic_dev = d;
if (ic_myaddr == NONE)
ic_myaddr = tip;
ic_servaddr = sip;
.func = ic_bootp_recv,
};
-static __be32 ic_dev_xid; /* Device under configuration */
-
/*
* Initialize DHCP/BOOTP extension fields in the request.
*/
#ifdef IPCONFIG_DHCP
static void __init
-ic_dhcp_init_options(u8 *options)
+ic_dhcp_init_options(u8 *options, struct ic_device *d)
{
u8 mt = ((ic_servaddr == NONE)
? DHCPDISCOVER : DHCPREQUEST);
u8 *e = options;
int len;
- pr_debug("DHCP: Sending message type %d\n", mt);
+ pr_debug("DHCP: Sending message type %d (%s)\n", mt, d->dev->name);
memcpy(e, ic_bootp_cookie, 4); /* RFC1048 Magic Cookie */
e += 4;
/* add DHCP options or BOOTP extensions */
#ifdef IPCONFIG_DHCP
if (ic_proto_enabled & IC_USE_DHCP)
- ic_dhcp_init_options(b->exten);
+ ic_dhcp_init_options(b->exten, d);
else
#endif
ic_bootp_init_ext(b->exten);
/* Is it a reply to our BOOTP request? */
if (b->op != BOOTP_REPLY ||
b->xid != d->xid) {
- net_err_ratelimited("DHCP/BOOTP: Reply not for us, op[%x] xid[%x]\n",
- b->op, b->xid);
- goto drop_unlock;
- }
-
- /* Is it a reply for the device we are configuring? */
- if (b->xid != ic_dev_xid) {
- net_err_ratelimited("DHCP/BOOTP: Ignoring delayed packet\n");
+ net_err_ratelimited("DHCP/BOOTP: Reply not for us on %s, op[%x] xid[%x]\n",
+ d->dev->name, b->op, b->xid);
goto drop_unlock;
}
}
}
- pr_debug("DHCP: Got message type %d\n", mt);
+ pr_debug("DHCP: Got message type %d (%s)\n", mt, d->dev->name);
switch (mt) {
case DHCPOFFER:
}
/* We have a winner! */
- ic_dev = dev;
+ ic_dev = d;
ic_myaddr = b->your_ip;
ic_servaddr = b->server_ip;
ic_addrservaddr = b->iph.saddr;
timeout = CONF_BASE_TIMEOUT + (timeout % (unsigned int) CONF_TIMEOUT_RANDOM);
for (;;) {
#ifdef IPCONFIG_BOOTP
- /* Track the device we are configuring */
- ic_dev_xid = d->xid;
-
if (do_bootp && (d->able & IC_BOOTP))
ic_bootp_send_if(d, jiffies - start_jiffies);
#endif
ic_rarp_send_if(d);
#endif
- jiff = jiffies + (d->next ? CONF_INTER_TIMEOUT : timeout);
- while (time_before(jiffies, jiff) && !ic_got_reply)
- schedule_timeout_uninterruptible(1);
+ if (!d->next) {
+ jiff = jiffies + timeout;
+ while (time_before(jiffies, jiff) && !ic_got_reply)
+ schedule_timeout_uninterruptible(1);
+ }
#ifdef IPCONFIG_DHCP
/* DHCP isn't done until we get a DHCPACK. */
if ((ic_got_reply & IC_BOOTP) &&
(ic_proto_enabled & IC_USE_DHCP) &&
ic_dhcp_msgtype != DHCPACK) {
ic_got_reply = 0;
+ /* continue on device that got the reply */
+ d = ic_dev;
pr_cont(",");
continue;
}
#endif /* IPCONFIG_DYNAMIC */
} else {
/* Device selected manually or only one device -> use it */
- ic_dev = ic_first_dev->dev;
+ ic_dev = ic_first_dev;
}
addr = root_nfs_parse_addr(root_server_path);
if (ic_defaults() < 0)
return -1;
- /*
- * Close all network devices except the device we've
- * autoconfigured and set up routes.
- */
- ic_close_devs();
- if (ic_setup_if() < 0 || ic_setup_routes() < 0)
- return -1;
-
/*
* Record which protocol was actually used.
*/
pr_info("IP-Config: Complete:\n");
pr_info(" device=%s, hwaddr=%*phC, ipaddr=%pI4, mask=%pI4, gw=%pI4\n",
- ic_dev->name, ic_dev->addr_len, ic_dev->dev_addr,
+ ic_dev->dev->name, ic_dev->dev->addr_len, ic_dev->dev->dev_addr,
&ic_myaddr, &ic_netmask, &ic_gateway);
pr_info(" host=%s, domain=%s, nis-domain=%s\n",
utsname()->nodename, ic_domain, utsname()->domainname);
pr_cont("\n");
#endif /* !SILENT */
- return 0;
+ /*
+ * Close all network devices except the device we've
+ * autoconfigured and set up routes.
+ */
+ if (ic_setup_if() < 0 || ic_setup_routes() < 0)
+ err = -1;
+ else
+ err = 0;
+
+ ic_close_devs();
+
+ return err;
}
late_initcall(ip_auto_config);
projects / cascardo / linux.git / blobdiff