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xtensa: ISS: always use fixed tuntap config 

The code doesn't handle dynamic TAP interface allocation, so there's no
point tracking this case.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Chris Zankel <chris@zankel.net>
This commit is contained in:
Max Filippov 2013-11-10 16:05:49 +04:00 committed by Chris Zankel
parent f6ac5a177d
commit 35e14b443a
1 changed files with 8 additions and 14 deletions
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22
arch/xtensa/platforms/iss/network.c
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@ -56,7 +56,6 @@ static LIST_HEAD(devices);
struct tuntap_info {
char dev_name[IFNAMSIZ];
int fixed_config;
int fd;
};
@ -164,11 +163,6 @@ static int tuntap_open(struct iss_net_private *lp)
int err = -EINVAL;
int fd;
/* We currently only support a fixed configuration. */
if (!lp->tp.info.tuntap.fixed_config)
return -EINVAL;
fd = simc_open("/dev/net/tun", 02, 0); /* O_RDWR */
if (fd < 0) {
pr_err("Failed to open /dev/net/tun, returned %d (errno = %d)\n",
@ -220,8 +214,7 @@ static int tuntap_poll(struct iss_net_private *lp)
}
/*
* Currently only a device name is supported.
* ethX=tuntap[,[mac address][,[device name]]]
* ethX=tuntap,[mac address],device name
*/
static int tuntap_probe(struct iss_net_private *lp, int index, char *init)
@ -247,12 +240,13 @@ static int tuntap_probe(struct iss_net_private *lp, int index, char *init)
return 0;
}
if (dev_name) {
strlcpy(lp->tp.info.tuntap.dev_name, dev_name,
sizeof(lp->tp.info.tuntap.dev_name));
lp->tp.info.tuntap.fixed_config = 1;
} else
strcpy(lp->tp.info.tuntap.dev_name, TRANSPORT_TUNTAP_NAME);
if (!dev_name) {
pr_err("%s: missing tuntap device name\n", dev->name);
return 0;
}
strlcpy(lp->tp.info.tuntap.dev_name, dev_name,
sizeof(lp->tp.info.tuntap.dev_name));
setup_etheraddr(dev, mac_str);