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authorGerrit Renker <gerrit@erg.abdn.ac.uk>2009-01-04 21:42:53 -0800
committerDavid S. Miller <davem@davemloft.net>2009-01-04 21:42:53 -0800
commitddebc973c56b51b4e5d84d606f0430d81b895d67 (patch)
treecebe0e4461346072b2063132fc1d9cf8c3e148f1 /net/dccp/Makefile
parent6ea2fde13abd3444008ab5e9585f9ed249e6047e (diff)
downloadlinux-ddebc973c56b51b4e5d84d606f0430d81b895d67.tar.gz
dccp: Lockless integration of CCID congestion-control plugins
Based on Arnaldo's earlier patch, this patch integrates the standardised CCID congestion control plugins (CCID-2 and CCID-3) of DCCP with dccp.ko: * enables a faster connection path by eliminating the need to always go through the CCID registration lock; * updates the implementation to use only a single array whose size equals the number of configured CCIDs instead of the maximum (256); * since the CCIDs are now fixed array elements, synchronization is no longer needed, simplifying use and implementation. CCID-2 is suggested as minimum for a basic DCCP implementation (RFC 4340, 10); CCID-3 is a standards-track CCID supported by RFC 4342 and RFC 5348. Signed-off-by: Gerrit Renker <gerrit@erg.abdn.ac.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/dccp/Makefile')
-rw-r--r--net/dccp/Makefile9
1 files changed, 7 insertions, 2 deletions
diff --git a/net/dccp/Makefile b/net/dccp/Makefile
index f4f8793aaff..5ff2e7b3569 100644
--- a/net/dccp/Makefile
+++ b/net/dccp/Makefile
@@ -2,14 +2,19 @@ obj-$(CONFIG_IP_DCCP) += dccp.o dccp_ipv4.o
dccp-y := ccid.o feat.o input.o minisocks.o options.o output.o proto.o timer.o
+#
+# CCID algorithms to be used by dccp.ko
+#
+# CCID-2 is default (RFC 4340, p. 77) and has Ack Vectors as dependency
+dccp-y += ccids/ccid2.o ackvec.o
+dccp-$(CONFIG_IP_DCCP_CCID3) += ccids/ccid3.o
+
dccp_ipv4-y := ipv4.o
# build dccp_ipv6 as module whenever either IPv6 or DCCP is a module
obj-$(subst y,$(CONFIG_IP_DCCP),$(CONFIG_IPV6)) += dccp_ipv6.o
dccp_ipv6-y := ipv6.o
-dccp-$(CONFIG_IP_DCCP_ACKVEC) += ackvec.o
-
obj-$(CONFIG_INET_DCCP_DIAG) += dccp_diag.o
obj-$(CONFIG_NET_DCCPPROBE) += dccp_probe.o