Adding upstream version 9.1.upstream/9.1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 262 insertions, 0 deletions

diff --git a/pbrd/pbr_map.h b/pbrd/pbr_map.h
new file mode 100644
index 0000000..9fb674b
--- /dev/null
+++ b/pbrd/pbr_map.h
@@ -0,0 +1,262 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * PBR-map Header
+ * Copyright (C) 2018 Cumulus Networks, Inc.
+ *               Donald Sharp
+ * Portions:
+ *	Copyright (c) 2023 LabN Consulting, L.L.C.
+ *	Copyright (c) 2021 The MITRE Corporation
+ */
+#ifndef __PBR_MAP_H__
+#define __PBR_MAP_H__
+
+#include <bitfield.h>
+
+#include "pbr_vrf.h"
+
+struct pbr_map {
+	/*
+	 * RB Tree of the pbr_maps
+	 */
+	RB_ENTRY(pbr_map) pbr_map_entry;
+
+	/*
+	 * The name of the PBR_MAP
+	 */
+#define PBR_MAP_NAMELEN 100
+	char name[PBR_MAP_NAMELEN];
+
+	struct list *seqnumbers;
+
+	/*
+	 * The list of incoming interfaces that
+	 * we will apply this policy map onto
+	 */
+	struct list *incoming;
+
+	bitfield_t ifi_bitfield;
+	/*
+	 * If valid is true we think the pbr_map is valid,
+	 * If false, look in individual pbrms to see
+	 * what we think is the invalid reason
+	 */
+	bool valid;
+};
+
+RB_HEAD(pbr_map_entry_head, pbr_map);
+RB_PROTOTYPE(pbr_map_entry_head, pbr_map, pbr_map_entry, pbr_map_compare)
+
+struct pbr_map_interface {
+	uint32_t install_bit;
+
+	struct interface *ifp;
+
+	struct pbr_map *pbrm;
+
+	bool delete;
+};
+
+enum pbr_forwarding_type {
+	PBR_FT_UNSPEC = 0,
+	PBR_FT_VRF_UNCHANGED,
+	PBR_FT_SETVRF,
+	PBR_FT_NEXTHOP_GROUP,
+	PBR_FT_NEXTHOP_SINGLE,
+};
+
+struct pbr_map_sequence {
+	struct pbr_map *parent;
+
+	/*
+	 * The Unique identifier of this specific pbrms
+	 */
+	uint32_t unique;
+
+	/*
+	 * The sequence of where we are for display
+	 */
+	uint32_t seqno;
+
+	/*
+	 * The rule number to install into
+	 */
+	uint32_t ruleno;
+
+
+	/*****************************************************************
+	 * Filter fields
+	 * gpz 230716: I hope to replace all of the filter fields with
+	 * 'struct pbr_filter' from lib/pbr.h.
+	 *****************************************************************/
+
+	/*
+	 * same bit definitions as in lib/pbr.h
+	 */
+	uint32_t filter_bm;
+
+	/* Family of the src/dst. Needed when deleting since we clear them */
+	unsigned char family;
+
+	/* src and dst IP addresses */
+	struct prefix *src;
+	struct prefix *dst;
+
+	/* src and dst UDP/TCP ports */
+	uint16_t src_prt;
+	uint16_t dst_prt;
+
+	uint8_t ip_proto;
+
+	uint8_t match_pcp;
+	uint16_t match_vlan_id; /* bits defined in lib/pbr.h */
+
+	uint16_t match_vlan_flags;
+
+	uint8_t dsfield;
+	uint32_t mark;
+
+	/*****************************************************************
+	 * Action fields
+	 *****************************************************************/
+
+	/*
+	 * same bit definitions as in lib/pbr.h
+	 */
+	uint32_t action_bm;
+
+	union sockunion action_src;
+	union sockunion action_dst;
+
+	uint16_t action_src_port;
+	uint16_t action_dst_port;
+
+	uint8_t action_dscp;
+	uint8_t action_ecn;
+
+	uint8_t action_pcp;
+	uint8_t action_vlan_id;
+
+#define PBR_MAP_UNDEFINED_QUEUE_ID 0
+	uint32_t action_queue_id;
+
+	enum pbr_forwarding_type forwarding_type;
+
+	/*
+	 * Use interface's vrf.
+	 */
+	bool vrf_unchanged;
+
+	/*
+	 * The vrf to lookup in was directly configured.
+	 */
+	bool vrf_lookup;
+
+	/*
+	 * VRF to lookup.
+	 */
+	char vrf_name[VRF_NAMSIZ + 1];
+
+	/*
+	 * The nexthop group we auto create
+	 * for when the user specifies a individual
+	 * nexthop
+	 */
+	struct nexthop_group *nhg;
+	char *internal_nhg_name;
+
+	/*
+	 * The name of the nexthop group
+	 * configured in the pbr-map
+	 */
+	char *nhgrp_name;
+
+	/*
+	 * Do we think are nexthops are installed
+	 */
+	bool nhs_installed;
+
+	/*
+	 * Are we installed
+	 */
+	uint64_t installed;
+
+	/*
+	 * A reason of 0 means we think the pbr_map_sequence is good to go
+	 * We can accumuluate multiple failure states
+	 */
+#define PBR_MAP_VALID_SEQUENCE_NUMBER    0
+#define PBR_MAP_INVALID_NEXTHOP_GROUP    (1 << 0)
+#define PBR_MAP_INVALID_NEXTHOP          (1 << 1)
+#define PBR_MAP_INVALID_NO_NEXTHOPS      (1 << 2)
+#define PBR_MAP_INVALID_BOTH_NHANDGRP    (1 << 3)
+#define PBR_MAP_INVALID_EMPTY            (1 << 4)
+#define PBR_MAP_INVALID_VRF              (1 << 5)
+#define PBR_MAP_INVALID_SET_STRIP_VLAN (1 << 6)
+	uint64_t reason;
+
+	QOBJ_FIELDS;
+};
+
+DECLARE_QOBJ_TYPE(pbr_map_sequence);
+
+extern struct pbr_map_entry_head pbr_maps;
+
+extern struct pbr_map_sequence *pbrms_get(const char *name, uint32_t seqno);
+extern struct pbr_map_sequence *
+pbrms_lookup_unique(uint32_t unique, char *ifname,
+		    struct pbr_map_interface **ppmi);
+
+extern struct pbr_map *pbrm_find(const char *name);
+extern void pbr_map_delete(struct pbr_map_sequence *pbrms);
+extern void pbr_map_delete_nexthops(struct pbr_map_sequence *pbrms);
+extern void pbr_map_delete_vrf(struct pbr_map_sequence *pbrms);
+extern void pbr_map_add_interface(struct pbr_map *pbrm, struct interface *ifp);
+extern void pbr_map_interface_delete(struct pbr_map *pbrm,
+				     struct interface *ifp);
+
+extern uint8_t pbr_map_decode_dscp_enum(const char *name);
+
+/* Update maps installed on interface */
+extern void pbr_map_policy_interface_update(const struct interface *ifp,
+					    bool state_up);
+
+extern void pbr_map_final_interface_deletion(struct pbr_map *pbrm,
+					     struct pbr_map_interface *pmi);
+
+extern void pbr_map_vrf_update(const struct pbr_vrf *pbr_vrf);
+
+extern void pbr_map_write_interfaces(struct vty *vty, struct interface *ifp);
+extern void pbr_map_init(void);
+
+extern bool pbr_map_check_valid(const char *name);
+
+/**
+ * Re-check the pbr map for validity.
+ *
+ * Install if valid, remove if not.
+ *
+ * If changed is set, the config on the on the map has changed somewhere
+ * and the rules need to be replaced if valid.
+ */
+extern void pbr_map_check(struct pbr_map_sequence *pbrms, bool changed);
+extern void pbr_map_check_nh_group_change(const char *nh_group);
+extern void pbr_map_reason_string(unsigned int reason, char *buf, int size);
+
+extern void pbr_map_schedule_policy_from_nhg(const char *nh_group,
+					     bool installed);
+
+extern void pbr_map_install(struct pbr_map *pbrm);
+
+extern void pbr_map_policy_install(const char *name);
+extern void pbr_map_policy_delete(struct pbr_map *pbrm,
+				  struct pbr_map_interface *pmi);
+
+extern void pbr_map_sequence_delete(struct pbr_map_sequence *pbrms);
+
+extern void pbr_map_check_vrf_nh_group_change(const char *nh_group,
+					      struct pbr_vrf *pbr_vrf,
+					      uint32_t old_vrf_id);
+extern void pbr_map_check_interface_nh_group_change(const char *nh_group,
+						    struct interface *ifp,
+						    ifindex_t oldifindex);
+#endif