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Import tables are stored as an attribute layer inside the main tables.

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The separate import tables were too memory-greedy, there is no need for
them being stored as full-sized tables.
This commit is contained in:
Maria Matejka
2022-06-16 23:24:56 +02:00
parent 8c92f47ac7
commit becab5072d
13 changed files with 101 additions and 226 deletions
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16
nest/protocol.h
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@@ -454,7 +454,7 @@ struct channel_config {
const struct filter *in_filter, *out_filter; /* Attached filters */
struct channel_limit rx_limit; /* Limit for receiving routes from protocol
(relevant when in_keep_filtered is active) */
(relevant when in_keep & RIK_REJECTED) */
struct channel_limit in_limit; /* Limit for importing routes from protocol */
struct channel_limit out_limit; /* Limit for exporting routes to protocol */
@@ -463,7 +463,7 @@ struct channel_config {
u16 preference; /* Default route preference */
u32 debug; /* Debugging flags (D_*) */
u8 merge_limit; /* Maximal number of nexthops for RA_MERGED */
u8 in_keep_filtered; /* Routes rejected in import filter are kept */
u8 in_keep; /* Which states of routes to keep (RIK_*) */
u8 rpki_reload; /* RPKI changes trigger channel reload */
};
@@ -480,7 +480,7 @@ struct channel {
struct bmap export_map; /* Keeps track which routes were really exported */
struct bmap export_reject_map; /* Keeps track which routes were rejected by export filter */
struct limit rx_limit; /* Receive limit (for in_keep_filtered) */
struct limit rx_limit; /* Receive limit (for in_keep & RIK_REJECTED) */
struct limit in_limit; /* Input limit */
struct limit out_limit; /* Output limit */
@@ -517,7 +517,7 @@ struct channel {
u16 preference; /* Default route preference */
u32 debug; /* Debugging flags (D_*) */
u8 merge_limit; /* Maximal number of nexthops for RA_MERGED */
u8 in_keep_filtered; /* Routes rejected in import filter are kept */
u8 in_keep; /* Which states of routes to keep (RIK_*) */
u8 disabled;
u8 stale; /* Used in reconfiguration */
@@ -529,11 +529,7 @@ struct channel {
btime last_state_change; /* Time of last state transition */
struct rtable *in_table; /* Internal table for received routes */
struct event *reload_event; /* Event responsible for reloading from in_table */
struct fib_iterator reload_fit; /* FIB iterator in in_table used during reloading */
struct rte_storage *reload_next_rte; /* Route iterator in in_table used during reloading */
u8 reload_active; /* Iterator reload_fit is linked */
struct rt_export_request reload_req; /* Feeder for import reload */
u8 reload_pending; /* Reloading and another reload is scheduled */
u8 refeed_pending; /* Refeeding and another refeed is scheduled */
@@ -544,6 +540,8 @@ struct channel {
list roa_subscriptions; /* List of active ROA table subscriptions based on filters roa_check() */
};
#define RIK_REJECTED 1 /* Routes rejected in import filter are kept */
#define RIK_PREFILTER (2 | RIK_REJECTED) /* All routes' attribute state before import filter is kept */
/*
* Channel states