Adding upstream version 9.1.upstream/9.1

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

1 files changed, 202 insertions, 0 deletions

diff --git a/zebra/zebra_l2.h b/zebra/zebra_l2.h
new file mode 100644
index 0000000..588917f
--- /dev/null
+++ b/zebra/zebra_l2.h
@@ -0,0 +1,202 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Zebra Layer-2 interface Data structures and definitions
+ * Copyright (C) 2016, 2017 Cumulus Networks, Inc.
+ */
+
+#ifndef _ZEBRA_L2_H
+#define _ZEBRA_L2_H
+
+#include <zebra.h>
+
+#include "if.h"
+#include "vlan.h"
+#include "vxlan.h"
+#include "zebra/zebra_vrf.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define ZEBRA_BRIDGE_NO_ACTION (0)
+#define ZEBRA_BRIDGE_MASTER_MAC_CHANGE (1 << 1)
+#define ZEBRA_BRIDGE_MASTER_UP (1 << 2)
+
+/* zebra L2 interface information - bridge slave (linkage to bridge) */
+struct zebra_l2info_brslave {
+	ifindex_t bridge_ifindex; /* Bridge Master */
+	struct interface *br_if;  /* Pointer to master */
+	ns_id_t ns_id; /* network namespace where bridge is */
+};
+
+struct zebra_l2info_bond {
+	struct list *mbr_zifs; /* slaves using this bond as a master */
+};
+
+struct zebra_l2_bridge_vlan {
+	vlanid_t vid;
+	struct zebra_evpn_access_bd *access_bd;
+};
+
+struct zebra_l2_bridge_if_ctx {
+	/* input */
+	struct zebra_if *zif;
+	int (*func)(struct zebra_if *zif, struct zebra_l2_bridge_vlan *vlan,
+		    void *arg);
+
+	/* input-output */
+	void *arg;
+};
+
+struct zebra_l2_bridge_if {
+	uint8_t vlan_aware;
+	struct zebra_if *br_zif;
+	struct hash *vlan_table;
+};
+
+/* zebra L2 interface information - bridge interface */
+struct zebra_l2info_bridge {
+	struct zebra_l2_bridge_if bridge;
+};
+
+/* zebra L2 interface information - VLAN interface */
+struct zebra_l2info_vlan {
+	vlanid_t vid; /* VLAN id */
+};
+
+/* zebra L2 interface information - GRE interface */
+struct zebra_l2info_gre {
+	struct in_addr vtep_ip; /* IFLA_GRE_LOCAL */
+	struct in_addr vtep_ip_remote; /* IFLA_GRE_REMOTE */
+	uint32_t ikey;
+	uint32_t okey;
+	ifindex_t ifindex_link; /* Interface index of interface
+				 * linked with GRE
+				 */
+	ns_id_t link_nsid;
+};
+
+struct zebra_vxlan_vni {
+	vni_t vni;	      /* VNI */
+	vlanid_t access_vlan; /* Access VLAN - for VLAN-aware bridge. */
+	struct in_addr mcast_grp;
+	uint16_t flags;
+};
+
+struct zebra_vxlan_vni_array {
+	uint16_t count;
+	struct zebra_vxlan_vni vnis[0];
+};
+
+enum {
+	ZEBRA_VXLAN_IF_VNI = 0, /* per vni vxlan if */
+	ZEBRA_VXLAN_IF_SVD	/* single vxlan device */
+};
+
+struct zebra_vxlan_if_vlan_ctx {
+	vlanid_t vid;
+	struct zebra_vxlan_vni *vni;
+};
+
+struct zebra_vxlan_if_update_ctx {
+	uint16_t chgflags;
+	struct in_addr old_vtep_ip;
+	struct zebra_vxlan_vni old_vni;
+	struct hash *old_vni_table;
+};
+
+struct zebra_vxlan_if_ctx {
+	/* input */
+	struct zebra_if *zif;
+	int (*func)(struct zebra_if *zif, struct zebra_vxlan_vni *vni,
+		    void *arg);
+
+	/* input-output */
+	void *arg;
+};
+
+struct zebra_vxlan_vni_info {
+	int iftype;
+	union {
+		struct zebra_vxlan_vni vni; /* per vni vxlan device vni info */
+		struct hash
+			*vni_table; /* table of vni's assocated with this if */
+	};
+};
+
+/* zebra L2 interface information - VXLAN interface */
+struct zebra_l2info_vxlan {
+	struct zebra_vxlan_vni_info vni_info;
+	struct in_addr vtep_ip; /* Local tunnel IP */
+	ifindex_t ifindex_link; /* Interface index of interface
+				 * linked with VXLAN
+				 */
+	ns_id_t link_nsid;
+};
+
+struct zebra_l2info_bondslave {
+	ifindex_t bond_ifindex;    /* Bridge Master */
+	struct interface *bond_if; /* Pointer to master */
+};
+
+union zebra_l2if_info {
+	struct zebra_l2info_bridge br;
+	struct zebra_l2info_vlan vl;
+	struct zebra_l2info_vxlan vxl;
+	struct zebra_l2info_gre gre;
+};
+
+/* NOTE: These macros are to be invoked only in the "correct" context.
+ * IOW, the macro VNI_FROM_ZEBRA_IF() will assume the interface is
+ * of type ZEBRA_IF_VXLAN.
+ */
+#define VNI_INFO_FROM_ZEBRA_IF(zif) (&((zif)->l2info.vxl.vni_info))
+#define IS_ZEBRA_VXLAN_IF_SVD(zif)                                             \
+	((zif)->l2info.vxl.vni_info.iftype == ZEBRA_VXLAN_IF_SVD)
+#define IS_ZEBRA_VXLAN_IF_VNI(zif)                                             \
+	((zif)->l2info.vxl.vni_info.iftype == ZEBRA_VXLAN_IF_VNI)
+#define VLAN_ID_FROM_ZEBRA_IF(zif) (zif)->l2info.vl.vid
+
+#define BRIDGE_FROM_ZEBRA_IF(zif) (&((zif)->l2info.br.bridge))
+#define IS_ZEBRA_IF_BRIDGE_VLAN_AWARE(zif)                                     \
+	((zif)->l2info.br.bridge.vlan_aware == 1)
+
+extern void zebra_l2_map_slave_to_bridge(struct zebra_l2info_brslave *br_slave,
+					 struct zebra_ns *zns);
+extern void
+zebra_l2_unmap_slave_from_bridge(struct zebra_l2info_brslave *br_slave);
+extern void
+zebra_l2_bridge_add_update(struct interface *ifp,
+			   const struct zebra_l2info_bridge *bridge_info);
+extern void zebra_l2_bridge_del(struct interface *ifp);
+extern void zebra_l2_vlanif_update(struct interface *ifp,
+				   const struct zebra_l2info_vlan *vlan_info);
+extern void zebra_l2_greif_add_update(struct interface *ifp,
+				      const struct zebra_l2info_gre *vxlan_info,
+				      int add);
+extern void
+zebra_l2_vxlanif_add_update(struct interface *ifp,
+			    const struct zebra_l2info_vxlan *vxlan_info,
+			    int add);
+extern void zebra_l2_vxlanif_update_access_vlan(struct interface *ifp,
+						vlanid_t access_vlan);
+extern void zebra_l2_greif_del(struct interface *ifp);
+extern void zebra_l2_vxlanif_del(struct interface *ifp);
+extern void zebra_l2if_update_bridge_slave(struct interface *ifp,
+					   ifindex_t bridge_ifindex,
+					   ns_id_t ns_id, uint8_t chgflags);
+
+extern void zebra_l2if_update_bond_slave(struct interface *ifp,
+					 ifindex_t bond_ifindex, bool bypass);
+extern void zebra_vlan_bitmap_compute(struct interface *ifp,
+		uint32_t vid_start, uint16_t vid_end);
+extern void zebra_vlan_mbr_re_eval(struct interface *ifp,
+		bitfield_t vlan_bitmap);
+extern void zebra_l2if_update_bond(struct interface *ifp, bool add);
+extern void zebra_l2if_update_bridge(struct interface *ifp, uint8_t chgflags);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _ZEBRA_L2_H */