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The following parameters should be tunable at compile time. Some of them exist as sysctls too. This is far from complete Item Description ---------------------------------------------------------------------------- MAX_LINKS Maximum number of netlink minor devices. (1-32) RIF_TABLE_SIZE Token ring RIF cache size (tunable) AARP_HASH_SIZE Size of Appletalk hash table (tunable) AX25_DEF_T1 AX.25 parameters. These are all tunable via AX25_DEF_T2 SIOCAX25SETPARMS AX25_DEF_T3 T1-T3,N2 have the meanings in the specification AX25_DEF_N2 AX25_DEF_AXDEFMODE 8 = normal 128 is PE1CHL extended AX25_DEF_IPDEFMODE 'D' - datagram 'V' - virtual connection AX25_DEF_BACKOFF 'E'xponential 'L'inear AX25_DEF_NETROM Allow netrom 1=Y AX25_DF_TEXT Allow PID=Text 1=Y AX25_DEF_WINDOW Window for normal mode AX25_DEF_EWINDOW Window for PE1CHL mode AX25_DEF_DIGI 1 for inband 2 for cross band 3 for both AX25_DEF_CONMODE Allow connected modes 1=Yes AX25_ROUTE_MAX AX.25 route cache size - no currently tunable Unnamed (16) Number of protocol hash slots (tunable) DEV_NUMBUFFS Number of priority levels (not easily tunable) Unnamed (300) Maximum packet backlog queue (tunable) MAX_IOVEC Maximum number of iovecs in a message (tunable) MIN_WINDOW Offered minimum window (tunable) MAX_WINDOW Offered maximum window (tunable) MAX_HEADER Largest physical header (tunable) MAX_ADDR_LEN Largest physical address (tunable) SOCK_ARRAY_SIZE IP socket array hash size (tunable) IP_MAX_MEMBERSHIPS Largest number of groups per socket (BSD style) (tunable) 16 Hard coded constant for amount of room allowed for cache align and faster forwarding (tunable) IP_FRAG_TIME Time we hold a fragment for. (tunable) PORT_MASQ_BEGIN First port reserved for masquerade (tunable) PORT_MASQ_END Last port used for masquerade (tunable) MASQUERADE_EXPIRE_TCP_FIN Time we keep a masquerade for after a FIN MASQUERADE_EXPIRE_UDP Time we keep a UDP masquerade for (tunable) MAXVIFS Maximum mrouted vifs (1-32) MFC_LINES Lines in the multicast router cache (tunable) NetROM parameters are tunable via an ioctl passing a struct 4000 Size a Unix domain socket malloc falls back to (tunable) should be 8K - a bit for 8K machines like the ALPHA |