| 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 | |