PSARC 2007/596 RBridges: Routing Bridges

PSARC 2008/055 Solaris Bridging
PSARC 2009/344 Bridging Updates
6223953 Solaris should provide layer 2 bridging
6770623 bogus error messages generated by dladm should be cleaned up

1 files changed, 174 insertions, 0 deletions

diff --git a/usr/src/uts/common/net/trill.h b/usr/src/uts/common/net/trill.h
new file mode 100644
index 0000000000..4200557133
--- /dev/null
+++ b/usr/src/uts/common/net/trill.h
@@ -0,0 +1,174 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+
+/*
+ * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#ifndef _NET_TRILL_H
+#define	_NET_TRILL_H
+
+#include <sys/types.h>
+#include <sys/param.h>
+#include <sys/ethernet.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Various well-known Ethernet addresses used by TRILL */
+#define	ALL_RBRIDGES		{ 0x01, 0x80, 0xC2, 0x00, 0x02, 0x00 }
+#define	ALL_ISIS_RBRIDGES	{ 0x01, 0x80, 0xC2, 0x00, 0x02, 0x01 }
+#define	ALL_ESADI_RBRIDGES	{ 0x01, 0x80, 0xC2, 0x00, 0x02, 0x02 }
+
+#define	TRILL_PROTOCOL_VERS 0	/* th_version */
+#define	TRILL_DEFAULT_HOPS 21	/* th_hopcount */
+
+/* Nickname range */
+#define	RBRIDGE_NICKNAME_MIN		0x0000
+#define	RBRIDGE_NICKNAME_MAX		0xFFFF
+
+/* Define well-known nicknames */
+#define	RBRIDGE_NICKNAME_NONE		RBRIDGE_NICKNAME_MIN
+#define	RBRIDGE_NICKNAME_MINRES		0xFFC0
+#define	RBRIDGE_NICKNAME_MAXRES		(RBRIDGE_NICKNAME_MAX - 1)
+#define	RBRIDGE_NICKNAME_UNUSED		RBRIDGE_NICKNAME_MAX
+
+#define	MIN_RBRIDGE_RANDOM_NICKNAME	(RBRIDGE_NICKNAME_NONE + 1)
+#define	MAX_RBRIDGE_RANDOM_NICKNAME	(RBRIDGE_NICKNAME_MINRES - 1)
+
+/* AF_TRILL IOCTL codes */
+#define	TRILL_BASE	(0x54524c00)	/* base (TRL in hex) */
+#define	TRILL_SETNICK	(TRILL_BASE + 0)    /* trill_node_t */
+#define	TRILL_GETNICK	(TRILL_BASE + 1)    /* uint16_t */
+#define	TRILL_ADDNICK	(TRILL_BASE + 2)    /* trill_node_t */
+#define	TRILL_DELNICK	(TRILL_BASE + 3)    /* uint16_t */
+#define	TRILL_DELALL	(TRILL_BASE + 4)    /* void */
+#define	TRILL_HWADDR	(TRILL_BASE + 5)    /* uint8_t[ETHERADDRL] */
+#define	TRILL_TREEROOT	(TRILL_BASE + 6)    /* uint16_t */
+#define	TRILL_NEWBRIDGE	(TRILL_BASE + 7)    /* char[MAXLINKNAMELEN] */
+#define	TRILL_VLANFWDER	(TRILL_BASE + 8)    /* uint8_t[TRILL_VLANS_ARRSIZE] */
+#define	TRILL_DESIGVLAN (TRILL_BASE + 9)    /* uint16_t */
+#define	TRILL_LISTNICK	(TRILL_BASE + 10)   /* trill_listnick_t */
+#define	TRILL_GETBRIDGE	(TRILL_BASE + 11)   /* char[MAXLINKNAMELEN] */
+#define	TRILL_PORTFLUSH	(TRILL_BASE + 12)   /* uint16_t */
+#define	TRILL_NICKFLUSH	(TRILL_BASE + 13)   /* uint16_t */
+#define	TRILL_GETMTU	(TRILL_BASE + 14)   /* uint_t * */
+
+typedef struct trill_header {
+#ifdef	_BIT_FIELDS_HTOL
+	uint8_t th_version : 2;
+	uint8_t th_reserved : 2;
+	uint8_t th_multidest : 1;
+	uint8_t th_optslen_hi : 3;
+#else
+	uint8_t th_optslen_hi : 3;
+	uint8_t th_multidest : 1;
+	uint8_t th_reserved : 2;
+	uint8_t th_version : 2;
+#endif
+
+#ifdef	_BIT_FIELDS_HTOL
+	uint8_t th_optslen_lo : 2;
+	uint8_t th_hopcount : 6;
+#else
+	uint8_t th_hopcount : 6;
+	uint8_t th_optslen_lo : 2;
+#endif
+	uint16_t th_egressnick;
+	uint16_t th_ingressnick;
+} trill_header_t;
+
+#define	TRILL_HDR_ALIGN		(sizeof (uint16_t))
+
+#define	SET_TRILL_OPTS_LEN(hdr_p, val) \
+	do { \
+		(hdr_p)->th_optslen_lo = (val)&0x03;	\
+		(hdr_p)->th_optslen_hi = (val)>>2;	\
+		_NOTE(CONSTANTCONDITION)		\
+	} while (0)
+
+#define	GET_TRILL_OPTS_LEN(hdr_p) \
+	((hdr_p)->th_optslen_lo|((hdr_p)->th_optslen_hi<<2))
+
+/* RBridge nick and tree information (*variable* size) */
+typedef struct trill_nickinfo_s {
+	/* Nickname of the RBridge */
+	uint16_t	tni_nick;
+	/* Next-hop SNPA address to reach this RBridge */
+	ether_addr_t	tni_adjsnpa;
+	/* Link on our system to use to reach next-hop */
+	datalink_id_t	tni_linkid;
+	/* Num of *our* adjacencies on a tree rooted at this RBridge */
+	uint16_t	tni_adjcount;
+	/* Num of distribution tree root nicks chosen by this RBridge */
+	uint16_t	tni_dtrootcount;
+	/*
+	 * Variable size bytes to store adjacency nicks, distribution
+	 * tree roots and VLAN filter lists. Adjacency nicks and
+	 * distribution tree roots are 16-bit fields.
+	 *
+	 * Number of VLAN filter lists is equal to tni_adjcount as
+	 * the VLAN filter list is one per adjacency in each DT.
+	 * VLAN filter list is a 512 byte bitmap with the set of VLANs
+	 * that are reachable downstream via the adjacency.
+	 */
+} trill_nickinfo_t;
+
+typedef struct trill_listnick_s {
+	uint16_t	tln_nick;
+	ether_addr_t	tln_nexthop;
+	datalink_id_t	tln_linkid;
+	boolean_t	tln_ours;
+} trill_listnick_t;
+
+/* Access the adjacency nick list at the end of trill_nickinfo_t */
+#define	TNI_ADJNICKSPTR(v) ((uint16_t *)((trill_nickinfo_t *)(v)+1))
+#define	TNI_ADJNICK(v, n) (TNI_ADJNICKSPTR(v)[(n)])
+
+/* Access the DT root nick list in trill_nickinfo_t after adjacency nicks */
+#define	TNI_DTROOTNICKSPTR(v) (TNI_ADJNICKSPTR(v)+(v)->tni_adjcount)
+#define	TNI_DTROOTNICK(v, n) (TNI_DTROOTNICKSPTR(v)[(n)])
+
+/* Access the VLAN filter list in trill_nickinfo_t after DT Roots */
+#define	TNI_VLANFILTERSPTR(v) (TNI_DTROOTNICKSPTR(v)+(v)->tni_dtrootcount)
+#define	TNI_VLANFILTERMAP(v, n) \
+	(((uint8_t *)(TNI_VLANFILTERSPTR(v)))+((n)*((1<<12)/NBBY)))
+
+#define	TNI_TOTALSIZE(v) (sizeof (trill_nickinfo_t) + \
+	(sizeof (uint16_t) * (v)->tni_adjcount) + \
+	(sizeof (uint16_t) * (v)->tni_dtrootcount) + \
+	(((1<<12)/NBBY) * (v)->tni_adjcount))
+
+/*
+ * This is a special value used in the sockaddr_dl "selector" field to denote
+ * that the packet represents a Bridging PDU.  The core STP instance is not
+ * defined on a VLAN, so this overload is safe.  All other selector values are
+ * used for TRILL IS-IS PDUs to indicate VLAN ID.
+ */
+#define	TRILL_TCI_BPDU	0xFFFF
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _NET_TRILL_H */