vlan support trouble in if_sis driver ?

[Vladimir Ermakov <samflanker_(_at_)_gmail_(_dot_)_com>]

Hello

Using sis  card  (SiS 900)
sis0: <SiS 900 10/100BaseTX> port 0xe800-0xe8ff mem 
0xed160000-0xed160fff irq 19 at device 4.0 on pci0

# uname -a
FreeBSD damask 7.0-RELEASE FreeBSD 7.0-RELEASE #0: Sun Feb 24 19:59:52 
UTC 2008     root_(_at_)_logan_(_dot_)_cse_(_dot_)_buffalo_(_dot_)_edu:/usr/obj/usr/src/sys/GENERIC  i386

# netstat -bin
Name    Mtu Network       Address              Ipkts Ierrs     Ibytes    
Opkts Oerrs     Obytes  Coll
sis0   1500 <Link#1>      00:0d:61:xx:xx:xx      356     4      
40934      155     0      29276     0
em0    1500 <Link#2>      00:02:55:xx:xx:xx        0     0          
0        0     0          0     0
lo0   16384 <Link#3>                               0     0          
0        0     0          0     0
lo0   16384 fe80:3::1/64  fe80:3::1                0     -          
0        0     -          0     -
lo0   16384 ::1/128       ::1                      0     -          
0        0     -          0     -
lo0   16384 127.0.0.0/8   127.0.0.1                0     -          
0        0     -          0     -
vlan0  1500 <Link#4>      00:02:55:xx:xx:xx        0     0          
0        0     0          0     0
vlan1  1500 <Link#5>      00:0d:61:xx:xx:xx      255     0      
29543      155     0      28656     0

# ifconfig sis0
sis0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
       options=8<VLAN_MTU>
       ether 00:0d:61:xx:xx:xx
       media: Ethernet autoselect (100baseTX <full-duplex>)
       status: active
# ifconfig vlan1
vlan1: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
       ether 00:0d:61:xx:xx:xx
       inet 192.168.1.221 netmask 0xffffff80 broadcast 192.168.1.255
       media: Ethernet autoselect (100baseTX <full-duplex>)
       status: active
       vlan: 12 parent interface: sis0

noticed the following troubles with using interface vlan1 (vlandev sis0):
- can not download a file using fget tool
- increases Ierrs on the physical interface sis0

this bug in if_sis driver ?

/Vladimir Ermakov

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