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authorHoratiu Vultur <horatiu.vultur@microchip.com>2020-05-30 18:09:47 +0000
committerDavid S. Miller <davem@davemloft.net>2020-06-01 11:56:11 -0700
commit4b3a61b030d1131dcf3633a276158a3d0a435a47 (patch)
treee68bce001797bc8b8beaeabb45e286b219df5673 /net/bridge
parent7e89ed8ab3f74e0746d3ea80537d7a06b0e27732 (diff)
bridge: mrp: Set the priority of MRP instance
Each MRP instance has a priority, a lower value means a higher priority. The priority of MRP instance is stored in MRP_Test frame in this way all the MRP nodes in the ring can see other nodes priority. Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/bridge')
-rw-r--r--net/bridge/br_mrp.c3
-rw-r--r--net/bridge/br_mrp_netlink.c5
-rw-r--r--net/bridge/br_mrp_switchdev.c1
-rw-r--r--net/bridge/br_private_mrp.h1
4 files changed, 9 insertions, 1 deletions
diff --git a/net/bridge/br_mrp.c b/net/bridge/br_mrp.c
index 8ea59504ef47..f8fd037219fe 100644
--- a/net/bridge/br_mrp.c
+++ b/net/bridge/br_mrp.c
@@ -147,7 +147,7 @@ static struct sk_buff *br_mrp_alloc_test_skb(struct br_mrp *mrp,
br_mrp_skb_tlv(skb, BR_MRP_TLV_HEADER_RING_TEST, sizeof(*hdr));
hdr = skb_put(skb, sizeof(*hdr));
- hdr->prio = cpu_to_be16(MRP_DEFAULT_PRIO);
+ hdr->prio = cpu_to_be16(mrp->prio);
ether_addr_copy(hdr->sa, p->br->dev->dev_addr);
hdr->port_role = cpu_to_be16(port_role);
hdr->state = cpu_to_be16(mrp->ring_state);
@@ -290,6 +290,7 @@ int br_mrp_add(struct net_bridge *br, struct br_mrp_instance *instance)
return -ENOMEM;
mrp->ring_id = instance->ring_id;
+ mrp->prio = instance->prio;
p = br_mrp_get_port(br, instance->p_ifindex);
spin_lock_bh(&br->lock);
diff --git a/net/bridge/br_mrp_netlink.c b/net/bridge/br_mrp_netlink.c
index d9de780d2ce0..8cb67d9ca44e 100644
--- a/net/bridge/br_mrp_netlink.c
+++ b/net/bridge/br_mrp_netlink.c
@@ -22,6 +22,7 @@ br_mrp_instance_policy[IFLA_BRIDGE_MRP_INSTANCE_MAX + 1] = {
[IFLA_BRIDGE_MRP_INSTANCE_RING_ID] = { .type = NLA_U32 },
[IFLA_BRIDGE_MRP_INSTANCE_P_IFINDEX] = { .type = NLA_U32 },
[IFLA_BRIDGE_MRP_INSTANCE_S_IFINDEX] = { .type = NLA_U32 },
+ [IFLA_BRIDGE_MRP_INSTANCE_PRIO] = { .type = NLA_U16 },
};
static int br_mrp_instance_parse(struct net_bridge *br, struct nlattr *attr,
@@ -49,6 +50,10 @@ static int br_mrp_instance_parse(struct net_bridge *br, struct nlattr *attr,
inst.ring_id = nla_get_u32(tb[IFLA_BRIDGE_MRP_INSTANCE_RING_ID]);
inst.p_ifindex = nla_get_u32(tb[IFLA_BRIDGE_MRP_INSTANCE_P_IFINDEX]);
inst.s_ifindex = nla_get_u32(tb[IFLA_BRIDGE_MRP_INSTANCE_S_IFINDEX]);
+ inst.prio = MRP_DEFAULT_PRIO;
+
+ if (tb[IFLA_BRIDGE_MRP_INSTANCE_PRIO])
+ inst.prio = nla_get_u16(tb[IFLA_BRIDGE_MRP_INSTANCE_PRIO]);
if (cmd == RTM_SETLINK)
return br_mrp_add(br, &inst);
diff --git a/net/bridge/br_mrp_switchdev.c b/net/bridge/br_mrp_switchdev.c
index 51cb1d5a24b4..3a776043bf80 100644
--- a/net/bridge/br_mrp_switchdev.c
+++ b/net/bridge/br_mrp_switchdev.c
@@ -12,6 +12,7 @@ int br_mrp_switchdev_add(struct net_bridge *br, struct br_mrp *mrp)
.p_port = rtnl_dereference(mrp->p_port)->dev,
.s_port = rtnl_dereference(mrp->s_port)->dev,
.ring_id = mrp->ring_id,
+ .prio = mrp->prio,
};
int err;
diff --git a/net/bridge/br_private_mrp.h b/net/bridge/br_private_mrp.h
index a0f53cc3ab85..558941ce2366 100644
--- a/net/bridge/br_private_mrp.h
+++ b/net/bridge/br_private_mrp.h
@@ -14,6 +14,7 @@ struct br_mrp {
struct net_bridge_port __rcu *s_port;
u32 ring_id;
+ u16 prio;
enum br_mrp_ring_role_type ring_role;
u8 ring_role_offloaded;