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-rw-r--r--include/uapi/linux/if_bridge.h29
-rw-r--r--include/uapi/linux/rtnetlink.h1
-rw-r--r--net/bridge/br_cfm_netlink.c105
-rw-r--r--net/bridge/br_netlink.c16
-rw-r--r--net/bridge/br_private.h6
5 files changed, 154 insertions, 3 deletions
diff --git a/include/uapi/linux/if_bridge.h b/include/uapi/linux/if_bridge.h
index b8b4491922d9..d975e1223884 100644
--- a/include/uapi/linux/if_bridge.h
+++ b/include/uapi/linux/if_bridge.h
@@ -345,6 +345,8 @@ enum {
IFLA_BRIDGE_CFM_CC_RDI_INFO,
IFLA_BRIDGE_CFM_CC_CCM_TX_INFO,
IFLA_BRIDGE_CFM_CC_PEER_MEP_INFO,
+ IFLA_BRIDGE_CFM_MEP_STATUS_INFO,
+ IFLA_BRIDGE_CFM_CC_PEER_STATUS_INFO,
__IFLA_BRIDGE_CFM_MAX,
};
@@ -424,6 +426,33 @@ enum {
#define IFLA_BRIDGE_CFM_CC_CCM_TX_MAX (__IFLA_BRIDGE_CFM_CC_CCM_TX_MAX - 1)
+enum {
+ IFLA_BRIDGE_CFM_MEP_STATUS_UNSPEC,
+ IFLA_BRIDGE_CFM_MEP_STATUS_INSTANCE,
+ IFLA_BRIDGE_CFM_MEP_STATUS_OPCODE_UNEXP_SEEN,
+ IFLA_BRIDGE_CFM_MEP_STATUS_VERSION_UNEXP_SEEN,
+ IFLA_BRIDGE_CFM_MEP_STATUS_RX_LEVEL_LOW_SEEN,
+ __IFLA_BRIDGE_CFM_MEP_STATUS_MAX,
+};
+
+#define IFLA_BRIDGE_CFM_MEP_STATUS_MAX (__IFLA_BRIDGE_CFM_MEP_STATUS_MAX - 1)
+
+enum {
+ IFLA_BRIDGE_CFM_CC_PEER_STATUS_UNSPEC,
+ IFLA_BRIDGE_CFM_CC_PEER_STATUS_INSTANCE,
+ IFLA_BRIDGE_CFM_CC_PEER_STATUS_PEER_MEPID,
+ IFLA_BRIDGE_CFM_CC_PEER_STATUS_CCM_DEFECT,
+ IFLA_BRIDGE_CFM_CC_PEER_STATUS_RDI,
+ IFLA_BRIDGE_CFM_CC_PEER_STATUS_PORT_TLV_VALUE,
+ IFLA_BRIDGE_CFM_CC_PEER_STATUS_IF_TLV_VALUE,
+ IFLA_BRIDGE_CFM_CC_PEER_STATUS_SEEN,
+ IFLA_BRIDGE_CFM_CC_PEER_STATUS_TLV_SEEN,
+ IFLA_BRIDGE_CFM_CC_PEER_STATUS_SEQ_UNEXP_SEEN,
+ __IFLA_BRIDGE_CFM_CC_PEER_STATUS_MAX,
+};
+
+#define IFLA_BRIDGE_CFM_CC_PEER_STATUS_MAX (__IFLA_BRIDGE_CFM_CC_PEER_STATUS_MAX - 1)
+
struct bridge_stp_xstats {
__u64 transition_blk;
__u64 transition_fwd;
diff --git a/include/uapi/linux/rtnetlink.h b/include/uapi/linux/rtnetlink.h
index ffc9ca1f2bdb..fdd408f6a5d2 100644
--- a/include/uapi/linux/rtnetlink.h
+++ b/include/uapi/linux/rtnetlink.h
@@ -780,6 +780,7 @@ enum {
#define RTEXT_FILTER_SKIP_STATS (1 << 3)
#define RTEXT_FILTER_MRP (1 << 4)
#define RTEXT_FILTER_CFM_CONFIG (1 << 5)
+#define RTEXT_FILTER_CFM_STATUS (1 << 6)
/* End of information exported to user level */
diff --git a/net/bridge/br_cfm_netlink.c b/net/bridge/br_cfm_netlink.c
index dee1e0dea39e..c8b5ff0825a3 100644
--- a/net/bridge/br_cfm_netlink.c
+++ b/net/bridge/br_cfm_netlink.c
@@ -612,3 +612,108 @@ nla_put_failure:
nla_info_failure:
return -EMSGSIZE;
}
+
+int br_cfm_status_fill_info(struct sk_buff *skb, struct net_bridge *br)
+{
+ struct br_cfm_peer_mep *peer_mep;
+ struct br_cfm_mep *mep;
+ struct nlattr *tb;
+
+ hlist_for_each_entry_rcu(mep, &br->mep_list, head) {
+ tb = nla_nest_start(skb, IFLA_BRIDGE_CFM_MEP_STATUS_INFO);
+ if (!tb)
+ goto nla_info_failure;
+
+ if (nla_put_u32(skb, IFLA_BRIDGE_CFM_MEP_STATUS_INSTANCE,
+ mep->instance))
+ goto nla_put_failure;
+
+ if (nla_put_u32(skb,
+ IFLA_BRIDGE_CFM_MEP_STATUS_OPCODE_UNEXP_SEEN,
+ mep->status.opcode_unexp_seen))
+ goto nla_put_failure;
+
+ if (nla_put_u32(skb,
+ IFLA_BRIDGE_CFM_MEP_STATUS_VERSION_UNEXP_SEEN,
+ mep->status.version_unexp_seen))
+ goto nla_put_failure;
+
+ if (nla_put_u32(skb,
+ IFLA_BRIDGE_CFM_MEP_STATUS_RX_LEVEL_LOW_SEEN,
+ mep->status.rx_level_low_seen))
+ goto nla_put_failure;
+
+ /* Clear all 'seen' indications */
+ mep->status.opcode_unexp_seen = false;
+ mep->status.version_unexp_seen = false;
+ mep->status.rx_level_low_seen = false;
+
+ nla_nest_end(skb, tb);
+
+ hlist_for_each_entry_rcu(peer_mep, &mep->peer_mep_list, head) {
+ tb = nla_nest_start(skb,
+ IFLA_BRIDGE_CFM_CC_PEER_STATUS_INFO);
+ if (!tb)
+ goto nla_info_failure;
+
+ if (nla_put_u32(skb,
+ IFLA_BRIDGE_CFM_CC_PEER_STATUS_INSTANCE,
+ mep->instance))
+ goto nla_put_failure;
+
+ if (nla_put_u32(skb,
+ IFLA_BRIDGE_CFM_CC_PEER_STATUS_PEER_MEPID,
+ peer_mep->mepid))
+ goto nla_put_failure;
+
+ if (nla_put_u32(skb,
+ IFLA_BRIDGE_CFM_CC_PEER_STATUS_CCM_DEFECT,
+ peer_mep->cc_status.ccm_defect))
+ goto nla_put_failure;
+
+ if (nla_put_u32(skb, IFLA_BRIDGE_CFM_CC_PEER_STATUS_RDI,
+ peer_mep->cc_status.rdi))
+ goto nla_put_failure;
+
+ if (nla_put_u8(skb,
+ IFLA_BRIDGE_CFM_CC_PEER_STATUS_PORT_TLV_VALUE,
+ peer_mep->cc_status.port_tlv_value))
+ goto nla_put_failure;
+
+ if (nla_put_u8(skb,
+ IFLA_BRIDGE_CFM_CC_PEER_STATUS_IF_TLV_VALUE,
+ peer_mep->cc_status.if_tlv_value))
+ goto nla_put_failure;
+
+ if (nla_put_u32(skb,
+ IFLA_BRIDGE_CFM_CC_PEER_STATUS_SEEN,
+ peer_mep->cc_status.seen))
+ goto nla_put_failure;
+
+ if (nla_put_u32(skb,
+ IFLA_BRIDGE_CFM_CC_PEER_STATUS_TLV_SEEN,
+ peer_mep->cc_status.tlv_seen))
+ goto nla_put_failure;
+
+ if (nla_put_u32(skb,
+ IFLA_BRIDGE_CFM_CC_PEER_STATUS_SEQ_UNEXP_SEEN,
+ peer_mep->cc_status.seq_unexp_seen))
+ goto nla_put_failure;
+
+ /* Clear all 'seen' indications */
+ peer_mep->cc_status.seen = false;
+ peer_mep->cc_status.tlv_seen = false;
+ peer_mep->cc_status.seq_unexp_seen = false;
+
+ nla_nest_end(skb, tb);
+ }
+ }
+
+ return 0;
+
+nla_put_failure:
+ nla_nest_cancel(skb, tb);
+
+nla_info_failure:
+ return -EMSGSIZE;
+}
diff --git a/net/bridge/br_netlink.c b/net/bridge/br_netlink.c
index 69bfe165ff7f..68c2ed87e26b 100644
--- a/net/bridge/br_netlink.c
+++ b/net/bridge/br_netlink.c
@@ -428,7 +428,8 @@ static int br_fill_ifinfo(struct sk_buff *skb,
if (filter_mask & (RTEXT_FILTER_BRVLAN |
RTEXT_FILTER_BRVLAN_COMPRESSED |
RTEXT_FILTER_MRP |
- RTEXT_FILTER_CFM_CONFIG)) {
+ RTEXT_FILTER_CFM_CONFIG |
+ RTEXT_FILTER_CFM_STATUS)) {
af = nla_nest_start_noflag(skb, IFLA_AF_SPEC);
if (!af)
goto nla_put_failure;
@@ -477,7 +478,7 @@ static int br_fill_ifinfo(struct sk_buff *skb,
goto nla_put_failure;
}
- if (filter_mask & RTEXT_FILTER_CFM_CONFIG) {
+ if (filter_mask & (RTEXT_FILTER_CFM_CONFIG | RTEXT_FILTER_CFM_STATUS)) {
struct nlattr *cfm_nest = NULL;
int err;
@@ -496,6 +497,14 @@ static int br_fill_ifinfo(struct sk_buff *skb,
goto nla_put_failure;
}
+ if (filter_mask & RTEXT_FILTER_CFM_STATUS) {
+ rcu_read_lock();
+ err = br_cfm_status_fill_info(skb, br);
+ rcu_read_unlock();
+ if (err)
+ goto nla_put_failure;
+ }
+
nla_nest_end(skb, cfm_nest);
}
@@ -563,7 +572,8 @@ int br_getlink(struct sk_buff *skb, u32 pid, u32 seq,
if (!port && !(filter_mask & RTEXT_FILTER_BRVLAN) &&
!(filter_mask & RTEXT_FILTER_BRVLAN_COMPRESSED) &&
!(filter_mask & RTEXT_FILTER_MRP) &&
- !(filter_mask & RTEXT_FILTER_CFM_CONFIG))
+ !(filter_mask & RTEXT_FILTER_CFM_CONFIG) &&
+ !(filter_mask & RTEXT_FILTER_CFM_STATUS))
return 0;
return br_fill_ifinfo(skb, port, pid, seq, RTM_NEWLINK, nlflags,
diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h
index f571bdeb5d83..228635b350a2 100644
--- a/net/bridge/br_private.h
+++ b/net/bridge/br_private.h
@@ -1466,6 +1466,7 @@ int br_cfm_parse(struct net_bridge *br, struct net_bridge_port *p,
bool br_cfm_created(struct net_bridge *br);
void br_cfm_port_del(struct net_bridge *br, struct net_bridge_port *p);
int br_cfm_config_fill_info(struct sk_buff *skb, struct net_bridge *br);
+int br_cfm_status_fill_info(struct sk_buff *skb, struct net_bridge *br);
#else
static inline int br_cfm_parse(struct net_bridge *br, struct net_bridge_port *p,
struct nlattr *attr, int cmd,
@@ -1488,6 +1489,11 @@ static inline int br_cfm_config_fill_info(struct sk_buff *skb, struct net_bridge
{
return -EOPNOTSUPP;
}
+
+static inline int br_cfm_status_fill_info(struct sk_buff *skb, struct net_bridge *br)
+{
+ return -EOPNOTSUPP;
+}
#endif
/* br_netlink.c */
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.