From 4d237874e5c9922330c62ac1b003a9a171c1bc3b Mon Sep 17 00:00:00 2001 From: Nathan Skrzypczak Date: Thu, 25 Feb 2021 11:14:53 +0100 Subject: cnat: Add maglev support * Backend choice in translations is controlled by lb_type switch allowing to enable Maglev. * Size of pool is set with cnat { maglev-len 1009 } Type: feature Change-Id: I956e19d70bc9f3b997b4f8042831164e4b559d17 Signed-off-by: Nathan Skrzypczak --- src/plugins/cnat/cnat_translation.h | 23 ++++++++++++++++++++--- 1 file changed, 20 insertions(+), 3 deletions(-) (limited to 'src/plugins/cnat/cnat_translation.h') diff --git a/src/plugins/cnat/cnat_translation.h b/src/plugins/cnat/cnat_translation.h index 8bec7396050..af0b94867af 100644 --- a/src/plugins/cnat/cnat_translation.h +++ b/src/plugins/cnat/cnat_translation.h @@ -28,6 +28,7 @@ extern vlib_combined_counter_main_t cnat_translation_counters; typedef enum cnat_trk_flag_t_ { CNAT_TRK_ACTIVE = (1 << 0), + CNAT_TRK_FLAG_NO_NAT = (1 << 1), } cnat_trk_flag_t; /** @@ -80,6 +81,12 @@ typedef enum CNAT_ADDR_N_RESOLUTIONS, } cnat_addr_resol_type_t; +typedef enum __attribute__ ((__packed__)) +{ + CNAT_LB_DEFAULT, + CNAT_LB_MAGLEV, +} cnat_lb_type_t; + /** * Entry used to account for a translation's backend * waiting for address resolution @@ -159,6 +166,16 @@ typedef struct cnat_translation_t_ * Translation flags */ u8 flags; + + /** + * Type of load balancing + */ + cnat_lb_type_t lb_type; + + union + { + u32 *lb_maglev; + }; } cnat_translation_t; extern cnat_translation_t *cnat_translation_pool; @@ -174,10 +191,10 @@ extern u8 *format_cnat_translation (u8 * s, va_list * args); * * @return the ID of the translation. used to delete and gather stats */ -extern u32 cnat_translation_update (cnat_endpoint_t * vip, +extern u32 cnat_translation_update (cnat_endpoint_t *vip, ip_protocol_t ip_proto, - cnat_endpoint_tuple_t * - backends, u8 flags); + cnat_endpoint_tuple_t *backends, u8 flags, + cnat_lb_type_t lb_type); /** * Delete a translation -- cgit 1.2.3-korg