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Explicit definition structures of route attributes

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Changes in internal API:

* Every route attribute must be defined as struct ea_class somewhere.
* Registration of route attributes known at startup must be done by
  ea_register_init() from protocol build functions.
* Every attribute has now its symbol registered in a global symbol table
  defined as SYM_ATTRIBUTE
* All attribute ID's are dynamically allocated.
* Attribute value custom formatting hook is defined in the ea_class.
* Attribute names are the same for display and filters, always prefixed
  by protocol name.

Also added some unit testing code for filters with route attributes.
This commit is contained in:
Maria Matejka
2022-03-19 16:23:42 +01:00
parent 165156beeb
commit 17f91f9e6e
54 changed files with 1056 additions and 878 deletions
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32
sysdep/linux/krt-sys.h
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@@ -34,38 +34,6 @@ static inline struct ifa * kif_get_primary_ip(struct iface *i UNUSED) { return N
#define KRT_ALLOW_MERGE_PATHS 1
#define EA_KRT_PREFSRC EA_CODE(PROTOCOL_KERNEL, 0x10)
#define EA_KRT_REALM EA_CODE(PROTOCOL_KERNEL, 0x11)
#define EA_KRT_SCOPE EA_CODE(PROTOCOL_KERNEL, 0x12)
#define KRT_METRICS_MAX 0x10 /* RTAX_QUICKACK+1 */
#define KRT_METRICS_OFFSET 0x20 /* Offset of EA_KRT_* vs RTAX_* */
#define KRT_FEATURES_MAX 4
/*
* Following attributes are parts of RTA_METRICS kernel route attribute, their
* ids must be consistent with their RTAX_* constants (+ KRT_METRICS_OFFSET)
*/
#define EA_KRT_METRICS EA_CODE(PROTOCOL_KERNEL, 0x20) /* Dummy one */
#define EA_KRT_LOCK EA_CODE(PROTOCOL_KERNEL, 0x21)
#define EA_KRT_MTU EA_CODE(PROTOCOL_KERNEL, 0x22)
#define EA_KRT_WINDOW EA_CODE(PROTOCOL_KERNEL, 0x23)
#define EA_KRT_RTT EA_CODE(PROTOCOL_KERNEL, 0x24)
#define EA_KRT_RTTVAR EA_CODE(PROTOCOL_KERNEL, 0x25)
#define EA_KRT_SSTRESH EA_CODE(PROTOCOL_KERNEL, 0x26)
#define EA_KRT_CWND EA_CODE(PROTOCOL_KERNEL, 0x27)
#define EA_KRT_ADVMSS EA_CODE(PROTOCOL_KERNEL, 0x28)
#define EA_KRT_REORDERING EA_CODE(PROTOCOL_KERNEL, 0x29)
#define EA_KRT_HOPLIMIT EA_CODE(PROTOCOL_KERNEL, 0x2a)
#define EA_KRT_INITCWND EA_CODE(PROTOCOL_KERNEL, 0x2b)
#define EA_KRT_FEATURES EA_CODE(PROTOCOL_KERNEL, 0x2c)
#define EA_KRT_RTO_MIN EA_CODE(PROTOCOL_KERNEL, 0x2d)
#define EA_KRT_INITRWND EA_CODE(PROTOCOL_KERNEL, 0x2e)
#define EA_KRT_QUICKACK EA_CODE(PROTOCOL_KERNEL, 0x2f)
struct krt_params {
u32 table_id; /* Kernel table ID we sync with */
u32 metric; /* Kernel metric used for all routes */