Rapid Spanning Tree Protocol (IEEE 802.1D).

This is the v5 from June 12th, 2014, rebased to OVS master, further changes in following patches. Signed-off by: Daniele Venturino <[email protected]> Signed-off by: Martino Fornasa <[email protected]> Signed-off-by: Jarno Rajahalme <[email protected]> Acked-by: Daniele Venturino <[email protected]>
subashd · Sep 9, 2014 · 9efd308 · 9efd308
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commit 9efd308
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diff --git a/AUTHORS b/AUTHORS
@@ -95,6 +95,7 @@ Madhu Challa            [email protected]
 Mark Hamilton           [email protected]
 Mark Maglana            [email protected]
 Martin Casado           [email protected]
+Martino Fornasa         [email protected]
 Maryam Tahhan           [email protected]
 Mehak Mahajan           [email protected]
 Murphy McCauley         [email protected]

diff --git a/NOTICE b/NOTICE
@@ -22,3 +22,6 @@ and Werner Lemberg.
 
 m4/include_next.m4 and m4/absolute-header.m4
 Copyright (C) 2006-2013 Free Software Foundation, Inc.
+
+Rapid Spanning Tree Protocol (RSTP) implementation
+Copyright (c) 2011-2014 M3S, Srl - Italy
diff --git a/lib/automake.mk b/lib/automake.mk
@@ -189,6 +189,11 @@ lib_libopenvswitch_la_SOURCES = \
 	lib/rconn.h \
 	lib/reconnect.c \
 	lib/reconnect.h \
+	lib/rstp.c \
+	lib/rstp.h \
+	lib/rstp-common.h \
+	lib/rstp-state-machines.c \
+	lib/rstp-state-machines.h \
 	lib/sat-math.h \
 	lib/seq.c \
 	lib/seq.h \

diff --git a/lib/packets.h b/lib/packets.h
@@ -282,6 +282,11 @@ struct llc_header {
 });
 BUILD_ASSERT_DECL(LLC_HEADER_LEN == sizeof(struct llc_header));
 
+/* LLC field values used for STP frames. */
+#define STP_LLC_SSAP 0x42
+#define STP_LLC_DSAP 0x42
+#define STP_LLC_CNTL 0x03
+
 #define SNAP_ORG_ETHERNET "\0\0" /* The compiler adds a null byte, so
                                     sizeof(SNAP_ORG_ETHERNET) == 3. */
 #define SNAP_HEADER_LEN 5