6939100 convert KSSL into a socket filter

PSARC/2009/590 Socket Filter Framework 6939085 Socket Filter Framework 6802067 connect_failed kernel socket callback is not triggered 6776450 time spent in tcp_close could be reduced/deferred to a worker thread 6828586 assertion failed: family == 26, file: ../../common/fs/sockfs/socksyscalls.c, line: 1608 6802078 kernel socket 'newconn' callback is passing rcv queue size as an argument

6813959 I/OAT should be removed from TCP and STREAMS --HG-- rename : usr/src/uts/common/sys/sodirect.h => usr/src/uts/common/fs/sockfs/sodirect.h

6799655 sockets need better handling of STREAMS ioctls

PSARC 2007/587 Volo -- Low Latency Socket Framework PSARC 2008/694 Volo Interfaces Amendment 6765829 Integration of project Volo PSARC/2007/587 6644935 mblk cred_t reference counting limits scalability 6693633 TCP receive does not scale because of heavy refcounting of cred structures 4764841 connect/accept is slow on Solaris when compared to Linux 5105708 socket creation retains hold on accessvp 4764836 setsockopt is slow on Solaris when compared to Linux 4772191 socket close(2) is slow on Solaris when compared to Linux --HG-- rename : usr/src/uts/common/fs/sockfs/socksctp.c => usr/src/uts/common/inet/sockmods/socksctp.c rename : usr/src/uts/common/fs/sockfs/socksctp.h => usr/src/uts/common/inet/sockmods/socksctp.h rename : usr/src/uts/common/fs/sockfs/socksctpsubr.c => usr/src/uts/common/inet/sockmods/socksctpsubr.c rename : usr/src/uts/common/fs/sockfs/socksdp.c => usr/src/uts/common/inet/sockmods/socksdp.c rename : usr/src/uts/common/fs/sockfs/socksdp.h => usr/src/uts/common/inet/sockmods/socksdp.h