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Arnaldo Carvalho de Melo 2e6599cb89 [NET] Generalise TCP's struct open_request minisock infrastructure 
Kept this first changeset minimal, without changing existing names to
ease peer review.

Basicaly tcp_openreq_alloc now receives the or_calltable, that in turn
has two new members:

->slab, that replaces tcp_openreq_cachep
->obj_size, to inform the size of the openreq descendant for
  a specific protocol

The protocol specific fields in struct open_request were moved to a
class hierarchy, with the things that are common to all connection
oriented PF_INET protocols in struct inet_request_sock, the TCP ones
in tcp_request_sock, that is an inet_request_sock, that is an
open_request.

I.e. this uses the same approach used for the struct sock class
hierarchy, with sk_prot indicating if the protocol wants to use the
open_request infrastructure by filling in sk_prot->rsk_prot with an
or_calltable.

Results? Performance is improved and TCP v4 now uses only 64 bytes per
open request minisock, down from 96 without this patch :-)

Next changeset will rename some of the structs, fields and functions
mentioned above, struct or_calltable is way unclear, better name it
struct request_sock_ops, s/struct open_request/struct request_sock/g,
etc.

Signed-off-by: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
 		2005-06-18 22:46:52 -07:00
..
bluetooth Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
irda [PATCH] x86_64: Make IRDA devices are not really ISA devices not depend on CONFIG_ISA 2005-04-16 15:24:56 -07:00
sctp [SCTP] Fix SCTP sendbuffer accouting. 2005-04-28 12:02:04 -07:00
tc_act [PKT_SCHED]: Introduce simple actions. 2005-04-24 20:10:16 -07:00
act_api.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
act_generic.h [PKT_SCHED]: Fixup simple action define. 2005-05-19 12:42:39 -07:00
addrconf.h [IPV6]: net/addrconf.h needs to include linux/in6.h earlier 2005-05-03 22:17:18 -07:00
af_unix.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
ah.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
arp.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
atmclip.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
ax25.h [AX25] Introduce ax25_type_trans 2005-04-24 18:53:06 -07:00
checksum.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
compat.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
datalink.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
dn.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
dn_dev.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
dn_fib.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
dn_neigh.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
dn_nsp.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
dn_route.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
dsfield.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
dst.h [NET]: Shave sizeof(ptr) bytes off dst_entry 2005-04-19 20:46:37 -07:00
esp.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
flow.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
gen_stats.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
icmp.h [PATCH] update Ross Biro bouncing email address 2005-05-05 16:36:49 -07:00
if_inet6.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
inet_common.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
inet_ecn.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
inetpeer.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
ip.h [SCTP] Add support for ip_nonlocal_bind sysctl & IP_FREEBIND socket option 2005-06-13 15:12:33 -07:00
ip6_checksum.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
ip6_fib.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
ip6_route.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
ip6_tunnel.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
ip_fib.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
ip_mp_alg.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
ip_vs.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
ipcomp.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
ipconfig.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
ipip.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
ipv6.h [SELINUX]: Fix ipv6_skip_exthdr() invocation causing OOPS. 2005-04-24 20:16:19 -07:00
ipx.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
iw_handler.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
lapb.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
llc.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
llc_c_ac.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
llc_c_ev.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
llc_c_st.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
llc_conn.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
llc_if.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
llc_pdu.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
llc_s_ac.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
llc_s_ev.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
llc_s_st.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
llc_sap.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
ndisc.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
neighbour.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
netrom.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
p8022.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
pkt_act.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
pkt_cls.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
pkt_sched.h [PKT_SCHED]: Fix range in PSCHED_TDIFF_SAFE to 0..bound 2005-05-03 14:41:18 -07:00
protocol.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
psnap.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
raw.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
rawv6.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
request_sock.h [NET] Generalise TCP's struct open_request minisock infrastructure 2005-06-18 22:46:52 -07:00
rose.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
route.h [IPV4]: Kill MULTIPATHHOLDROUTE flag. 2005-05-29 20:26:44 -07:00
sch_generic.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
scm.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
slhc_vj.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
snmp.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
sock.h [NET] Generalise TCP's struct open_request minisock infrastructure 2005-06-18 22:46:52 -07:00
syncppp.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
tcp.h [NET] Generalise TCP's struct open_request minisock infrastructure 2005-06-18 22:46:52 -07:00
tcp_ecn.h [NET] Generalise TCP's struct open_request minisock infrastructure 2005-06-18 22:46:52 -07:00
transp_v6.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
udp.h [PATCH] update Ross Biro bouncing email address 2005-05-05 16:36:49 -07:00
x25.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
x25device.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
xfrm.h [IPSEC] Use XFRM_MSG_* instead of XFRM_SAP_* 2005-06-18 22:44:37 -07:00