1 # VKERNEL - configuration for a virtual kernel
3 platform vkernel # platform architecture (i386, vkernel, etc)
5 machine_arch i386 # cpu architecture (i386, etc)
17 options KTR_GIANT_CONTENTION
18 options KTR_SPIN_CONTENTION
19 #options DEBUG_CRIT_SECTIONS
23 options IPFIREWALL #firewall
24 options IPFIREWALL_FORWARD #enable transparent proxy support
25 options IPFIREWALL_DEFAULT_TO_ACCEPT #allow everything by default
28 options ALTQ #alternate queueing
29 options ALTQ_CBQ #class based queueing
30 options ALTQ_RED #random early detection
31 options ALTQ_RIO #triple red for diffserv (needs RED)
32 options ALTQ_HFSC #hierarchical fair service curve
33 options ALTQ_PRIQ #priority queue
34 options ALTQ_FAIRQ #fair queue
35 #options ALTQ_NOPCC #don't use processor cycle counter
36 options ALTQ_DEBUG #for debugging
38 options IPSEC #IP security
39 options IPSEC_ESP #IP security (crypto; define w/ IPSEC)
40 options IPSEC_DEBUG #debug for IP security
43 options NULLFS #NULL filesystem
45 options INET #InterNETworking
46 options INET6 #IPv6 communications protocols
47 options FFS #Berkeley Fast Filesystem
48 options FFS_ROOT #FFS usable as root device [keep this!]
49 options SOFTUPDATES #Enable FFS soft updates support
50 options UFS_DIRHASH #Improve performance on big directories
51 options MFS #Memory Filesystem
52 options TMPFS #Temporary Filesystem
53 options MD_ROOT #MD is a potential root device
54 options NFS #Network Filesystem
55 options NFS_ROOT #NFS usable as root device, NFS required
56 options MSDOSFS #MSDOS Filesystem
57 options CD9660 #ISO 9660 Filesystem
58 options PROCFS #Process filesystem
59 options COMPAT_43 #Compatible with BSD 4.3 [KEEP THIS!]
60 options COMPAT_DF12 #Compatible with DragonFly 1.2 and earlier
61 options DEVICE_POLLING # Support mixed interrupt-polling
62 # handling of network device drivers
63 options UCONSOLE #Allow users to grab the console
64 options KTRACE #ktrace(1) support
65 options SYSVSHM #SYSV-style shared memory
66 options SYSVMSG #SYSV-style message queues
67 options SYSVSEM #SYSV-style semaphores
68 options P1003_1B #Posix P1003_1B real-time extensions
69 options _KPOSIX_PRIORITY_SCHEDULING
70 options ICMP_BANDLIM #Rate limit bad replies
72 options SMP # Symmetric MultiProcessor Kernel
74 # Debugging for Development
81 # Floating point support - do not disable.
84 # Pseudo devices - the number indicates how many units to allocate.
85 pseudo-device loop # Network loopback
86 pseudo-device ether # Ethernet support
87 pseudo-device sl 1 # Kernel SLIP
88 pseudo-device ppp 1 # Kernel PPP
89 pseudo-device tun # Packet tunnel.
90 pseudo-device pty # Pseudo-ttys (telnet etc)
91 pseudo-device md # Memory "disks"
92 pseudo-device gif # IPv6 and IPv4 tunneling
93 pseudo-device faith 1 # IPv6-to-IPv4 relaying (translation)
98 device scbus # SCSI bus (required)
99 device da # Direct Access (disks)
100 device sa # Sequential Access (tape etc)
102 device pass # Passthrough device (direct SCSI access)
104 # The `bpf' pseudo-device enables the Berkeley Packet Filter.
105 # Be aware of the administrative consequences of enabling this!
106 pseudo-device bpf #Berkeley packet filter