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author | 2016-08-04 16:13:09 +0100 | |
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committer | 2016-08-11 14:05:40 +0000 | |
commit | 041eacc81656d2ed5bc01b96b15a7d03a1700f13 (patch) | |
tree | f1cded1a27f92bab90fec8e5ea9d991ee2ff7eb5 /plugins/lb-plugin/lb/lb.api | |
parent | 3590ac5881261c95a3c575360e24903d60fac392 (diff) |
VPP-130: MagLev-like Load Balancer
This plugin provides load balancing for VPP in a way that is largely inspired
from Google's MagLev: http://research.google.com/pubs/pub44824.html
More info in the README.md
Change-Id: I1223f495d5c2d5200808a398504119f2830337e9
Signed-off-by: Pierre Pfister <ppfister@cisco.com>
Diffstat (limited to 'plugins/lb-plugin/lb/lb.api')
-rw-r--r-- | plugins/lb-plugin/lb/lb.api | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/plugins/lb-plugin/lb/lb.api b/plugins/lb-plugin/lb/lb.api new file mode 100644 index 00000000..39ee3c8f --- /dev/null +++ b/plugins/lb-plugin/lb/lb.api @@ -0,0 +1,71 @@ +/** \brief Configure Load-Balancer global parameters + @param client_index - opaque cookie to identify the sender + @param context - sender context, to match reply w/ request + @param ip4_src_address - IPv4 address to be used as source for IPv4 GRE traffic. + @param ip6_src_address - IPv6 address to be used as source for IPv6 GRE traffic. + @param n_sticky_buckets - Number of buckets *per worker thread* in the + established flow table (must be power of 2). + @param flow_timeout - Time in seconds after which, if no packet is received + for a given flow, the flow is removed from the established flow table. +*/ +define lb_conf +{ + u32 client_index; + u32 context; + u32 ip4_src_address; + u8 ip6_src_address[16]; + u32 sticky_buckets_per_core; + u32 flow_timeout; +}; + +define lb_conf_reply { + u32 context; + i32 retval; +}; + +/** \brief Add a virtual address (or prefix) + @param client_index - opaque cookie to identify the sender + @param context - sender context, to match reply w/ request + @param ip_prefix - IP address (IPv4 in lower order 32 bits). + @param prefix_length - IP prefix length (96 + 'IPv4 prefix length' for IPv4). + @param is_gre4 - Encap is ip4 GRE (ip6 GRE otherwise). + @param new_flows_table_length - Size of the new connections flow table used + for this VIP (must be power of 2). + @param is_del - The VIP should be removed. +*/ +define lb_add_del_vip { + u32 client_index; + u32 context; + u8 ip_prefix[16]; + u8 prefix_length; + u8 is_gre4; + u32 new_flows_table_length; + u8 is_del; +}; + +define lb_add_del_vip_reply { + u32 context; + i32 retval; +}; + +/** \brief Add an application server for a given VIP + @param client_index - opaque cookie to identify the sender + @param context - sender context, to match reply w/ request + @param vip_ip_prefix - VIP IP address (IPv4 in lower order 32 bits). + @param vip_ip_prefix - VIP IP prefix length (96 + 'IPv4 prefix length' for IPv4). + @param as_address - The application server address (IPv4 in lower order 32 bits). + @param is_del - The AS should be removed. +*/ +define lb_add_del_as { + u32 client_index; + u32 context; + u8 vip_ip_prefix[16]; + u8 vip_prefix_length; + u8 as_address[16]; + u8 is_del; +}; + +define lb_add_del_as_reply { + u32 context; + i32 retval; +}; |