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Diffstat (limited to 'net/TUNABLE')
| -rw-r--r-- | net/TUNABLE | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/net/TUNABLE b/net/TUNABLE new file mode 100644 index 00000000000..9913211f07a --- /dev/null +++ b/net/TUNABLE @@ -0,0 +1,50 @@ +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 + |