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Date: Wed, 24 Sep 2014 17:52:01 +0200
From: Ahmed Amamou <ahmed@...di.net>
To: netdev@...r.kernel.org
Cc: william@...di.net, f.cachereul@...halink.fr,
Ahmed Amamou <ahmed@...di.net>,
Kamel Haddadou <kamel@...di.net>
Subject: [RFC PATCH 05/24] net: rbridge: Adapt Bridge structure
change bridge structure to add corresponding RBridge reference
change bridge port structure to identify disable /P2P/ ACCESS / TRUNK port/
Signed-off-by: Ahmed Amamou <ahmed@...di.net>
Signed-off-by: Kamel Haddadou <kamel@...di.net>
Signed-off-by: François Cachereul <f.cachereul@...halink.fr>
---
include/linux/etherdevice.h | 34 ++++++++++++++++++++++++++++++++++
net/bridge/br_private.h | 25 +++++++++++++++++++++++++
2 files changed, 59 insertions(+)
diff --git a/include/linux/etherdevice.h b/include/linux/etherdevice.h
index 9c5529d..09dc18c 100644
--- a/include/linux/etherdevice.h
+++ b/include/linux/etherdevice.h
@@ -54,6 +54,16 @@ struct net_device *alloc_etherdev_mqs(int sizeof_priv, unsigned int txqs,
/* Reserved Ethernet Addresses per IEEE 802.1Q */
static const u8 eth_reserved_addr_base[ETH_ALEN] __aligned(2) =
{ 0x01, 0x80, 0xc2, 0x00, 0x00, 0x00 };
+#ifdef CONFIG_TRILL
+static const u8 eth_reserved_addr_all_rbridge[ETH_ALEN] __aligned(2) = {
+0x01, 0x80, 0xc2, 0x00, 0x00, 0x40};
+
+static const u8 eth_reserved_addr_isis_rbridge[ETH_ALEN] __aligned(2) = {
+0x01, 0x80, 0xc2, 0x00, 0x00, 0x41};
+
+static const u8 eth_reserved_addr_esadi_rbridge[ETH_ALEN] __aligned(2) = {
+0x01, 0x80, 0xc2, 0x00, 0x00, 0x42};
+#endif
/**
* is_link_local_ether_addr - Determine if given Ethernet address is link-local
@@ -391,4 +401,28 @@ static inline unsigned long compare_ether_header(const void *a, const void *b)
#endif
}
+#ifdef CONFIG_TRILL
+/**
+ * is_all_rbr_address - check if it is a specific Rbridge brodcast mac address
+ * @addr1: Pointer to a six-byte array containing the Ethernet address
+ *
+ * returns true if it is a RBridge brodcast address 01:80:C2:00:00:40
+ */
+static inline bool is_all_rbr_address(const u8 * addr1)
+{
+ return ether_addr_equal(addr1, eth_reserved_addr_all_rbridge);
+}
+
+static inline bool is_isis_rbr_address(const u8 * addr1)
+{
+ return ether_addr_equal(addr1, eth_reserved_addr_isis_rbridge);
+}
+
+static inline bool is_esadi_rbr_address(const u8 * addr1)
+{
+ return ether_addr_equal(addr1, eth_reserved_addr_esadi_rbridge);
+}
+#endif
+
+
#endif /* _LINUX_ETHERDEVICE_H */
diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h
index 62a7fa2..430c556 100644
--- a/net/bridge/br_private.h
+++ b/net/bridge/br_private.h
@@ -19,6 +19,9 @@
#include <linux/u64_stats_sync.h>
#include <net/route.h>
#include <linux/if_vlan.h>
+#ifdef CONFIG_TRILL
+#include "rbridge/rbr_private.h"
+#endif
#define BR_HASH_BITS 8
#define BR_HASH_SIZE (1 << BR_HASH_BITS)
@@ -31,6 +34,18 @@
#define BR_VERSION "2.3"
+#ifdef CONFIG_TRILL
+ /* TRILL flagged ports are ports where we expect receiving native layer 2 frames
+ */
+#define TRILL_FLAG_DISABLE 0x1
+#define TRILL_FLAG_P2P 0x2
+#define TRILL_FLAG_ACCESS 0x4
+#define TRILL_FLAG_TRUNK 0x8 /* DROP ALL native L2 frame */
+/* Bridge TRILL state */
+#define BR_NO_TRILL 0 /* no trill */
+#define BR_TRILL 1 /* trill enabled */
+#endif
+
/* Control of forwarding link local multicast */
#define BR_GROUPFWD_DEFAULT 0
/* Don't allow forwarding control protocols like STP and LLDP */
@@ -163,6 +178,11 @@ struct net_bridge_port
struct rcu_head rcu;
unsigned long flags;
+ /* Trill */
+#ifdef CONFIG_TRILL
+ uint8_t trill_flag;
+#endif /* CONFIG_TRILL */
+
#define BR_HAIRPIN_MODE 0x00000001
#define BR_BPDU_GUARD 0x00000002
#define BR_ROOT_BLOCK 0x00000004
@@ -252,6 +272,11 @@ struct net_bridge
BR_USER_STP, /* new RSTP in userspace */
} stp_enabled;
+#ifdef CONFIG_TRILL
+ bool trill_enabled;
+ struct rbr *rbr;
+#endif
+
unsigned char topology_change;
unsigned char topology_change_detected;
--
1.9.1
--
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