diff options
Diffstat (limited to 'net')
-rw-r--r-- | net/bridge/br_mrp_netlink.c | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/net/bridge/br_mrp_netlink.c b/net/bridge/br_mrp_netlink.c index b982db14bbf4..503896638be0 100644 --- a/net/bridge/br_mrp_netlink.c +++ b/net/bridge/br_mrp_netlink.c @@ -6,6 +6,97 @@ #include "br_private.h" #include "br_private_mrp.h" +static const struct nla_policy br_mrp_policy[IFLA_BRIDGE_MRP_MAX + 1] = { + [IFLA_BRIDGE_MRP_UNSPEC] = { .type = NLA_REJECT }, + [IFLA_BRIDGE_MRP_INSTANCE] = { .type = NLA_EXACT_LEN, + .len = sizeof(struct br_mrp_instance)}, + [IFLA_BRIDGE_MRP_PORT_STATE] = { .type = NLA_U32 }, + [IFLA_BRIDGE_MRP_PORT_ROLE] = { .type = NLA_EXACT_LEN, + .len = sizeof(struct br_mrp_port_role)}, + [IFLA_BRIDGE_MRP_RING_STATE] = { .type = NLA_EXACT_LEN, + .len = sizeof(struct br_mrp_ring_state)}, + [IFLA_BRIDGE_MRP_RING_ROLE] = { .type = NLA_EXACT_LEN, + .len = sizeof(struct br_mrp_ring_role)}, + [IFLA_BRIDGE_MRP_START_TEST] = { .type = NLA_EXACT_LEN, + .len = sizeof(struct br_mrp_start_test)}, +}; + +int br_mrp_parse(struct net_bridge *br, struct net_bridge_port *p, + struct nlattr *attr, int cmd, struct netlink_ext_ack *extack) +{ + struct nlattr *tb[IFLA_BRIDGE_MRP_MAX + 1]; + int err; + + if (br->stp_enabled != BR_NO_STP) { + NL_SET_ERR_MSG_MOD(extack, "MRP can't be enabled if STP is already enabled\n"); + return -EINVAL; + } + + err = nla_parse_nested(tb, IFLA_BRIDGE_MRP_MAX, attr, + br_mrp_policy, extack); + if (err) + return err; + + if (tb[IFLA_BRIDGE_MRP_INSTANCE]) { + struct br_mrp_instance *instance = + nla_data(tb[IFLA_BRIDGE_MRP_INSTANCE]); + + if (cmd == RTM_SETLINK) + err = br_mrp_add(br, instance); + else + err = br_mrp_del(br, instance); + if (err) + return err; + } + + if (tb[IFLA_BRIDGE_MRP_PORT_STATE]) { + enum br_mrp_port_state_type state = + nla_get_u32(tb[IFLA_BRIDGE_MRP_PORT_STATE]); + + err = br_mrp_set_port_state(p, state); + if (err) + return err; + } + + if (tb[IFLA_BRIDGE_MRP_PORT_ROLE]) { + struct br_mrp_port_role *role = + nla_data(tb[IFLA_BRIDGE_MRP_PORT_ROLE]); + + err = br_mrp_set_port_role(p, role); + if (err) + return err; + } + + if (tb[IFLA_BRIDGE_MRP_RING_STATE]) { + struct br_mrp_ring_state *state = + nla_data(tb[IFLA_BRIDGE_MRP_RING_STATE]); + + err = br_mrp_set_ring_state(br, state); + if (err) + return err; + } + + if (tb[IFLA_BRIDGE_MRP_RING_ROLE]) { + struct br_mrp_ring_role *role = + nla_data(tb[IFLA_BRIDGE_MRP_RING_ROLE]); + + err = br_mrp_set_ring_role(br, role); + if (err) + return err; + } + + if (tb[IFLA_BRIDGE_MRP_START_TEST]) { + struct br_mrp_start_test *test = + nla_data(tb[IFLA_BRIDGE_MRP_START_TEST]); + + err = br_mrp_start_test(br, test); + if (err) + return err; + } + + return 0; +} + int br_mrp_port_open(struct net_device *dev, u8 loc) { struct net_bridge_port *p; |