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Subject[PATCH net-next v4 09/12] bridge: mrp: Extend MRP netlink interface for configuring MRP interconnect
Date
This patch extends the existing MRP netlink interface with the following
attributes: IFLA_BRIDGE_MRP_IN_ROLE, IFLA_BRIDGE_MRP_IN_STATE and
IFLA_BRIDGE_MRP_START_IN_TEST. These attributes are similar with their
ring attributes but they apply to the interconnect port.

Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com>
---
net/bridge/br_mrp_netlink.c | 140 ++++++++++++++++++++++++++++++++++++
1 file changed, 140 insertions(+)

diff --git a/net/bridge/br_mrp_netlink.c b/net/bridge/br_mrp_netlink.c
index 4bf7aaeb29152..a006e0771e8d3 100644
--- a/net/bridge/br_mrp_netlink.c
+++ b/net/bridge/br_mrp_netlink.c
@@ -14,6 +14,9 @@ static const struct nla_policy br_mrp_policy[IFLA_BRIDGE_MRP_MAX + 1] = {
[IFLA_BRIDGE_MRP_RING_STATE] = { .type = NLA_NESTED },
[IFLA_BRIDGE_MRP_RING_ROLE] = { .type = NLA_NESTED },
[IFLA_BRIDGE_MRP_START_TEST] = { .type = NLA_NESTED },
+ [IFLA_BRIDGE_MRP_IN_ROLE] = { .type = NLA_NESTED },
+ [IFLA_BRIDGE_MRP_IN_STATE] = { .type = NLA_NESTED },
+ [IFLA_BRIDGE_MRP_START_IN_TEST] = { .type = NLA_NESTED },
};

static const struct nla_policy
@@ -235,6 +238,121 @@ static int br_mrp_start_test_parse(struct net_bridge *br, struct nlattr *attr,
return br_mrp_start_test(br, &test);
}

+static const struct nla_policy
+br_mrp_in_state_policy[IFLA_BRIDGE_MRP_IN_STATE_MAX + 1] = {
+ [IFLA_BRIDGE_MRP_IN_STATE_UNSPEC] = { .type = NLA_REJECT },
+ [IFLA_BRIDGE_MRP_IN_STATE_IN_ID] = { .type = NLA_U32 },
+ [IFLA_BRIDGE_MRP_IN_STATE_STATE] = { .type = NLA_U32 },
+};
+
+static int br_mrp_in_state_parse(struct net_bridge *br, struct nlattr *attr,
+ struct netlink_ext_ack *extack)
+{
+ struct nlattr *tb[IFLA_BRIDGE_MRP_IN_STATE_MAX + 1];
+ struct br_mrp_in_state state;
+ int err;
+
+ err = nla_parse_nested(tb, IFLA_BRIDGE_MRP_IN_STATE_MAX, attr,
+ br_mrp_in_state_policy, extack);
+ if (err)
+ return err;
+
+ if (!tb[IFLA_BRIDGE_MRP_IN_STATE_IN_ID] ||
+ !tb[IFLA_BRIDGE_MRP_IN_STATE_STATE]) {
+ NL_SET_ERR_MSG_MOD(extack,
+ "Missing attribute: IN_ID or STATE");
+ return -EINVAL;
+ }
+
+ memset(&state, 0x0, sizeof(state));
+
+ state.in_id = nla_get_u32(tb[IFLA_BRIDGE_MRP_IN_STATE_IN_ID]);
+ state.in_state = nla_get_u32(tb[IFLA_BRIDGE_MRP_IN_STATE_STATE]);
+
+ return br_mrp_set_in_state(br, &state);
+}
+
+static const struct nla_policy
+br_mrp_in_role_policy[IFLA_BRIDGE_MRP_IN_ROLE_MAX + 1] = {
+ [IFLA_BRIDGE_MRP_IN_ROLE_UNSPEC] = { .type = NLA_REJECT },
+ [IFLA_BRIDGE_MRP_IN_ROLE_RING_ID] = { .type = NLA_U32 },
+ [IFLA_BRIDGE_MRP_IN_ROLE_IN_ID] = { .type = NLA_U16 },
+ [IFLA_BRIDGE_MRP_IN_ROLE_ROLE] = { .type = NLA_U32 },
+ [IFLA_BRIDGE_MRP_IN_ROLE_I_IFINDEX] = { .type = NLA_U32 },
+};
+
+static int br_mrp_in_role_parse(struct net_bridge *br, struct nlattr *attr,
+ struct netlink_ext_ack *extack)
+{
+ struct nlattr *tb[IFLA_BRIDGE_MRP_IN_ROLE_MAX + 1];
+ struct br_mrp_in_role role;
+ int err;
+
+ err = nla_parse_nested(tb, IFLA_BRIDGE_MRP_IN_ROLE_MAX, attr,
+ br_mrp_in_role_policy, extack);
+ if (err)
+ return err;
+
+ if (!tb[IFLA_BRIDGE_MRP_IN_ROLE_RING_ID] ||
+ !tb[IFLA_BRIDGE_MRP_IN_ROLE_IN_ID] ||
+ !tb[IFLA_BRIDGE_MRP_IN_ROLE_I_IFINDEX] ||
+ !tb[IFLA_BRIDGE_MRP_IN_ROLE_ROLE]) {
+ NL_SET_ERR_MSG_MOD(extack,
+ "Missing attribute: RING_ID or ROLE or IN_ID or I_IFINDEX");
+ return -EINVAL;
+ }
+
+ memset(&role, 0x0, sizeof(role));
+
+ role.ring_id = nla_get_u32(tb[IFLA_BRIDGE_MRP_IN_ROLE_RING_ID]);
+ role.in_id = nla_get_u16(tb[IFLA_BRIDGE_MRP_IN_ROLE_IN_ID]);
+ role.i_ifindex = nla_get_u32(tb[IFLA_BRIDGE_MRP_IN_ROLE_I_IFINDEX]);
+ role.in_role = nla_get_u32(tb[IFLA_BRIDGE_MRP_IN_ROLE_ROLE]);
+
+ return br_mrp_set_in_role(br, &role);
+}
+
+static const struct nla_policy
+br_mrp_start_in_test_policy[IFLA_BRIDGE_MRP_START_IN_TEST_MAX + 1] = {
+ [IFLA_BRIDGE_MRP_START_IN_TEST_UNSPEC] = { .type = NLA_REJECT },
+ [IFLA_BRIDGE_MRP_START_IN_TEST_IN_ID] = { .type = NLA_U32 },
+ [IFLA_BRIDGE_MRP_START_IN_TEST_INTERVAL] = { .type = NLA_U32 },
+ [IFLA_BRIDGE_MRP_START_IN_TEST_MAX_MISS] = { .type = NLA_U32 },
+ [IFLA_BRIDGE_MRP_START_IN_TEST_PERIOD] = { .type = NLA_U32 },
+};
+
+static int br_mrp_start_in_test_parse(struct net_bridge *br,
+ struct nlattr *attr,
+ struct netlink_ext_ack *extack)
+{
+ struct nlattr *tb[IFLA_BRIDGE_MRP_START_IN_TEST_MAX + 1];
+ struct br_mrp_start_in_test test;
+ int err;
+
+ err = nla_parse_nested(tb, IFLA_BRIDGE_MRP_START_IN_TEST_MAX, attr,
+ br_mrp_start_in_test_policy, extack);
+ if (err)
+ return err;
+
+ if (!tb[IFLA_BRIDGE_MRP_START_IN_TEST_IN_ID] ||
+ !tb[IFLA_BRIDGE_MRP_START_IN_TEST_INTERVAL] ||
+ !tb[IFLA_BRIDGE_MRP_START_IN_TEST_MAX_MISS] ||
+ !tb[IFLA_BRIDGE_MRP_START_IN_TEST_PERIOD]) {
+ NL_SET_ERR_MSG_MOD(extack,
+ "Missing attribute: RING_ID or INTERVAL or MAX_MISS or PERIOD");
+ return -EINVAL;
+ }
+
+ memset(&test, 0x0, sizeof(test));
+
+ test.in_id = nla_get_u32(tb[IFLA_BRIDGE_MRP_START_IN_TEST_IN_ID]);
+ test.interval = nla_get_u32(tb[IFLA_BRIDGE_MRP_START_IN_TEST_INTERVAL]);
+ test.max_miss = nla_get_u32(tb[IFLA_BRIDGE_MRP_START_IN_TEST_MAX_MISS]);
+ test.period = nla_get_u32(tb[IFLA_BRIDGE_MRP_START_IN_TEST_PERIOD]);
+
+ return br_mrp_start_in_test(br, &test);
+}
+
int br_mrp_parse(struct net_bridge *br, struct net_bridge_port *p,
struct nlattr *attr, int cmd, struct netlink_ext_ack *extack)
{
@@ -301,6 +419,28 @@ int br_mrp_parse(struct net_bridge *br, struct net_bridge_port *p,
return err;
}

+ if (tb[IFLA_BRIDGE_MRP_IN_STATE]) {
+ err = br_mrp_in_state_parse(br, tb[IFLA_BRIDGE_MRP_IN_STATE],
+ extack);
+ if (err)
+ return err;
+ }
+
+ if (tb[IFLA_BRIDGE_MRP_IN_ROLE]) {
+ err = br_mrp_in_role_parse(br, tb[IFLA_BRIDGE_MRP_IN_ROLE],
+ extack);
+ if (err)
+ return err;
+ }
+
+ if (tb[IFLA_BRIDGE_MRP_START_IN_TEST]) {
+ err = br_mrp_start_in_test_parse(br,
+ tb[IFLA_BRIDGE_MRP_START_IN_TEST],
+ extack);
+ if (err)
+ return err;
+ }
+
return 0;
}

--
2.27.0
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