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authorstephen hemminger <shemminger@vyatta.com>2011-04-04 14:03:33 +0000
committerDavid S. Miller <davem@davemloft.net>2011-04-04 17:22:29 -0700
commit14f98f258f1936e0dba77474bd7eda63f61a9826 (patch)
treeb74a80e8736c937be34291fb432f15a3f6aff67c /sound/pci/korg1212
parentbb900b27a2f49b37bc38c08e656ea13048fee13b (diff)
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bridge: range check STP parameters
Apply restrictions on STP parameters based 802.1D 1998 standard. * Fixes missing locking in set path cost ioctl * Uses common code for both ioctl and sysfs This is based on an earlier patch Sasikanth V but with overhaul. Note: 1. It does NOT enforce the restriction on the relationship max_age and forward delay or hello time because in existing implementation these are set as independant operations. 2. If STP is disabled, there is no restriction on forward delay 3. No restriction on holding time because users use Linux code to act as hub or be sticky. 4. Although standard allow 0-255, Linux only allows 0-63 for port priority because more bits are reserved for port number. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'sound/pci/korg1212')
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