To build the maglev hashing scheduler, add some configuration to Kconfig and Makefile. - The compile configurations of MH are added to the Kconfig. - The MH build rule is added to the Makefile. Signed-off-by: Inju Song <inju.song@xxxxxxxxxxxxx> --- net/netfilter/ipvs/Kconfig | 37 +++++++++++++++++++++++++++++++++++++ net/netfilter/ipvs/Makefile | 1 + 2 files changed, 38 insertions(+) diff --git a/net/netfilter/ipvs/Kconfig b/net/netfilter/ipvs/Kconfig index b32fb0d..cad48d0 100644 --- a/net/netfilter/ipvs/Kconfig +++ b/net/netfilter/ipvs/Kconfig @@ -225,6 +225,25 @@ config IP_VS_SH If you want to compile it in kernel, say Y. To compile it as a module, choose M here. If unsure, say N. +config IP_VS_MH + tristate "maglev hashing scheduling" + ---help--- + The maglev consistent hashing scheduling algorithm provides the + Google's Maglev hashing algorithm as a IPVS scheduler. It assigns + network connections to the servers through looking up a statically + assigned special hash table called the lookup table. Maglev hashing + is to assign a preference list of all the lookup table positions + to each destination. + + Through this operation, The maglev hashing gives an almost equal + share of the lookup table to each of the destinations and provides + minimal disruption by using the lookup table. When the set of + destinations changes, a connection will likely be sent to the same + destination as it was before. + + If you want to compile it in kernel, say Y. To compile it as a + module, choose M here. If unsure, say N. + config IP_VS_SED tristate "shortest expected delay scheduling" ---help--- @@ -266,6 +285,24 @@ config IP_VS_SH_TAB_BITS needs to be large enough to effectively fit all the destinations multiplied by their respective weights. +comment 'IPVS MH scheduler' + +config IP_VS_MH_TAB_INDEX + int "IPVS maglev hashing table index of size (the prime numbers)" + range 8 17 + default 12 + ---help--- + The maglev hashing scheduler maps source IPs to destinations + stored in a hash table. This table is assigned by a preference + list of the positions to each destination until all slots in + the table are filled. The index determines the prime for size of + the table as 251, 509, 1021, 2039, 4093, 8191, 16381, 32749, + 65521 or 131071. When using weights to allow destinations to + receive more connections, the table is assigned an amount + proportional to the weights specified. The table needs to be large + enough to effectively fit all the destinations multiplied by their + respective weights. + comment 'IPVS application helper' config IP_VS_FTP diff --git a/net/netfilter/ipvs/Makefile b/net/netfilter/ipvs/Makefile index 67f3f43..3bf979f 100644 --- a/net/netfilter/ipvs/Makefile +++ b/net/netfilter/ipvs/Makefile @@ -32,6 +32,7 @@ obj-$(CONFIG_IP_VS_LBLC) += ip_vs_lblc.o obj-$(CONFIG_IP_VS_LBLCR) += ip_vs_lblcr.o obj-$(CONFIG_IP_VS_DH) += ip_vs_dh.o obj-$(CONFIG_IP_VS_SH) += ip_vs_sh.o +obj-$(CONFIG_IP_VS_MH) += ip_vs_mh.o obj-$(CONFIG_IP_VS_SED) += ip_vs_sed.o obj-$(CONFIG_IP_VS_NQ) += ip_vs_nq.o -- 1.8.3.1 -- Inju Song NAVER Corporation -- To unsubscribe from this list: send the line "unsubscribe lvs-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
