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-rw-r--r--include/linux/seg6_local.h132
1 files changed, 132 insertions, 0 deletions
diff --git a/include/linux/seg6_local.h b/include/linux/seg6_local.h
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+++ b/include/linux/seg6_local.h
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+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * SR-IPv6 implementation
+ *
+ * Author:
+ * David Lebrun <david.lebrun@uclouvain.be>
+ */
+
+#ifndef _LINUX_SEG6_LOCAL_H
+#define _LINUX_SEG6_LOCAL_H
+
+#include <linux/seg6.h>
+
+enum {
+ SEG6_LOCAL_UNSPEC,
+ SEG6_LOCAL_ACTION,
+ SEG6_LOCAL_SRH,
+ SEG6_LOCAL_TABLE,
+ SEG6_LOCAL_NH4,
+ SEG6_LOCAL_NH6,
+ SEG6_LOCAL_IIF,
+ SEG6_LOCAL_OIF,
+ SEG6_LOCAL_BPF,
+ SEG6_LOCAL_VRFTABLE,
+ SEG6_LOCAL_COUNTERS,
+ SEG6_LOCAL_FLAVORS,
+ __SEG6_LOCAL_MAX,
+};
+#define SEG6_LOCAL_MAX (__SEG6_LOCAL_MAX - 1)
+
+enum {
+ SEG6_LOCAL_ACTION_UNSPEC = 0,
+ /* node segment */
+ SEG6_LOCAL_ACTION_END = 1,
+ /* adjacency segment (IPv6 cross-connect) */
+ SEG6_LOCAL_ACTION_END_X = 2,
+ /* lookup of next seg NH in table */
+ SEG6_LOCAL_ACTION_END_T = 3,
+ /* decap and L2 cross-connect */
+ SEG6_LOCAL_ACTION_END_DX2 = 4,
+ /* decap and IPv6 cross-connect */
+ SEG6_LOCAL_ACTION_END_DX6 = 5,
+ /* decap and IPv4 cross-connect */
+ SEG6_LOCAL_ACTION_END_DX4 = 6,
+ /* decap and lookup of DA in v6 table */
+ SEG6_LOCAL_ACTION_END_DT6 = 7,
+ /* decap and lookup of DA in v4 table */
+ SEG6_LOCAL_ACTION_END_DT4 = 8,
+ /* binding segment with insertion */
+ SEG6_LOCAL_ACTION_END_B6 = 9,
+ /* binding segment with encapsulation */
+ SEG6_LOCAL_ACTION_END_B6_ENCAP = 10,
+ /* binding segment with MPLS encap */
+ SEG6_LOCAL_ACTION_END_BM = 11,
+ /* lookup last seg in table */
+ SEG6_LOCAL_ACTION_END_S = 12,
+ /* forward to SR-unaware VNF with static proxy */
+ SEG6_LOCAL_ACTION_END_AS = 13,
+ /* forward to SR-unaware VNF with masquerading */
+ SEG6_LOCAL_ACTION_END_AM = 14,
+ /* custom BPF action */
+ SEG6_LOCAL_ACTION_END_BPF = 15,
+ /* decap and lookup of DA in v4 or v6 table */
+ SEG6_LOCAL_ACTION_END_DT46 = 16,
+
+ __SEG6_LOCAL_ACTION_MAX,
+};
+
+#define SEG6_LOCAL_ACTION_MAX (__SEG6_LOCAL_ACTION_MAX - 1)
+
+enum {
+ SEG6_LOCAL_BPF_PROG_UNSPEC,
+ SEG6_LOCAL_BPF_PROG,
+ SEG6_LOCAL_BPF_PROG_NAME,
+ __SEG6_LOCAL_BPF_PROG_MAX,
+};
+
+#define SEG6_LOCAL_BPF_PROG_MAX (__SEG6_LOCAL_BPF_PROG_MAX - 1)
+
+/* SRv6 Behavior counters are encoded as netlink attributes guaranteeing the
+ * correct alignment.
+ * Each counter is identified by a different attribute type (i.e.
+ * SEG6_LOCAL_CNT_PACKETS).
+ *
+ * - SEG6_LOCAL_CNT_PACKETS: identifies a counter that counts the number of
+ * packets that have been CORRECTLY processed by an SRv6 Behavior instance
+ * (i.e., packets that generate errors or are dropped are NOT counted).
+ *
+ * - SEG6_LOCAL_CNT_BYTES: identifies a counter that counts the total amount
+ * of traffic in bytes of all packets that have been CORRECTLY processed by
+ * an SRv6 Behavior instance (i.e., packets that generate errors or are
+ * dropped are NOT counted).
+ *
+ * - SEG6_LOCAL_CNT_ERRORS: identifies a counter that counts the number of
+ * packets that have NOT been properly processed by an SRv6 Behavior instance
+ * (i.e., packets that generate errors or are dropped).
+ */
+enum {
+ SEG6_LOCAL_CNT_UNSPEC,
+ SEG6_LOCAL_CNT_PAD, /* pad for 64 bits values */
+ SEG6_LOCAL_CNT_PACKETS,
+ SEG6_LOCAL_CNT_BYTES,
+ SEG6_LOCAL_CNT_ERRORS,
+ __SEG6_LOCAL_CNT_MAX,
+};
+
+#define SEG6_LOCAL_CNT_MAX (__SEG6_LOCAL_CNT_MAX - 1)
+
+/* SRv6 End* Flavor attributes */
+enum {
+ SEG6_LOCAL_FLV_UNSPEC,
+ SEG6_LOCAL_FLV_OPERATION,
+ SEG6_LOCAL_FLV_LCBLOCK_BITS,
+ SEG6_LOCAL_FLV_LCNODE_FN_BITS,
+ __SEG6_LOCAL_FLV_MAX,
+};
+
+#define SEG6_LOCAL_FLV_MAX (__SEG6_LOCAL_FLV_MAX - 1)
+
+/* Designed flavor operations for SRv6 End* Behavior */
+enum {
+ SEG6_LOCAL_FLV_OP_UNSPEC,
+ SEG6_LOCAL_FLV_OP_PSP,
+ SEG6_LOCAL_FLV_OP_USP,
+ SEG6_LOCAL_FLV_OP_USD,
+ SEG6_LOCAL_FLV_OP_NEXT_CSID,
+ __SEG6_LOCAL_FLV_OP_MAX
+};
+
+#define SEG6_LOCAL_FLV_OP_MAX (__SEG6_LOCAL_FLV_OP_MAX - 1)
+
+#endif