1.3.51

 net

diff -u --recursive --new-file v1.3.50/linux/net/TUNABLE linux/net/TUNABLE
--- v1.3.50/linux/net/TUNABLE   Thu Jan  1 02:00:00 1970
+++ linux/net/TUNABLE   Tue Dec 26 06:03:01 1995
@@ -0,0 +1,65 @@
+The following parameters should be tunable but aren't, until we get sysctl
+or similar schemes. For now you'll have to dig around. Various CONFIG_xxx
+items that should be configurable using sysctl omitted.
+
+This is far from complete
+
+Item         Description
+----------------------------------------------------------------------------
+MAX_SOCKETS      Tunable on boot, maximum sockets we will allocate
+NUM_PROTO      Maximum loadable address family, will need recompile
+MAX_LINKS      Maximum number of netlink minor devices. (1-32)
+MAX_QBYTES      Size of a netlink device queue (tunable)
+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)
+ARP_RES_TIME      Time we try and resolve (tunable)
+ARP_DEAD_RES_TIME   Time the entry stays dead (tunable)
+ARP_MAX_TRIES      Maximum tries (tunable)
+ARP_TIMEOUT      Timeout on an ARP (tunable)
+ARP_CHECK_INTERVAL   Check interval to refresh an arp (tunable)
+ARP_CONFIRM_INTERVAL   Confirm poll time (tunable)
+ARP_TABLE_SIZE      Hash table size for ARP (tunable)
+IP_MAX_MEMBERSHIPS   Largest number of groups per socket (BSD style)
+16         Hard coded constant for amount of room allowed for
+         cache align and faster forwarding (tunable)
+IPFRAG_HIGH_THRESH   Limit on fragments, we free fragments until we reach
+IPFRAG_LOW_THRESH   which provides some breathing space. (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
+MASUQERADE_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)
+SK_RMEM_MAX      Max memory a socket owns for receive (tunable)
+SK_WMEM_MAX      Max memory a socket owns for send (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
+