Re: [PATCH net-next] bridge: mrp: Rework the MRP netlink interface

From: Horatiu Vultur
Date: Wed May 27 2020 - 06:07:18 EST

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In reply to: Nikolay Aleksandrov: "Re: [PATCH net-next] bridge: mrp: Rework the MRP netlink interface"
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The 05/27/2020 11:59, Nikolay Aleksandrov wrote:
> EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe
>
> On 26/05/2020 17:22, Horatiu Vultur wrote:
> > This patch rework the MRP netlink interface. Before, each attribute
> > represented a binary structure which made it hard to be extended.
> > Therefore update the MRP netlink interface such that each existing
> > attribute to be a nested attribute which contains the fields of the
> > binary structures.
> > In this way the MRP netlink interface can be extended without breaking
> > the backwards compatibility. It is also using strict checking for
> > attributes under the MRP top attribute.
> >
> > Signed-off-by: Horatiu Vultur <horatiu.vultur@xxxxxxxxxxxxx>
> > ---
> > include/uapi/linux/if_bridge.h | 64 ++++++++-
> > net/bridge/br_mrp.c | 8 +-
> > net/bridge/br_mrp_netlink.c | 248 ++++++++++++++++++++++++++++-----
> > net/bridge/br_private_mrp.h | 2 +-
> > 4 files changed, 272 insertions(+), 50 deletions(-)
> >
>
> Hi Horatiu,
> I think the functions below should be static. Also you could do better with the error
> reporting. It seems extack is passed down, so you could return something meaningful for
> each missing value.

Hi Nik,

Yes, they should be static, they should not be used outside of this
file.
I will create a new patch, where I will fix this and add more
meaningful messages in case of a missing value.

>
> net/bridge/br_mrp_netlink.c:27:5: warning: no previous prototype for âbr_mrp_instance_parseâ [-Wmissing-prototypes]
> 27 | int br_mrp_instance_parse(struct net_bridge *br, struct nlattr *attr,
> | ^~~~~~~~~~~~~~~~~~~~~
> net/bridge/br_mrp_netlink.c:64:5: warning: no previous prototype for âbr_mrp_port_state_parseâ [-Wmissing-prototypes]
> 64 | int br_mrp_port_state_parse(struct net_bridge_port *p, struct nlattr *attr,
> | ^~~~~~~~~~~~~~~~~~~~~~~
> net/bridge/br_mrp_netlink.c:90:5: warning: no previous prototype for âbr_mrp_port_role_parseâ [-Wmissing-prototypes]
> 90 | int br_mrp_port_role_parse(struct net_bridge_port *p, struct nlattr *attr,
> | ^~~~~~~~~~~~~~~~~~~~~~
> net/bridge/br_mrp_netlink.c:117:5: warning: no previous prototype for âbr_mrp_ring_state_parseâ [-Wmissing-prototypes]
> 117 | int br_mrp_ring_state_parse(struct net_bridge *br, struct nlattr *attr,
> | ^~~~~~~~~~~~~~~~~~~~~~~
> net/bridge/br_mrp_netlink.c:148:5: warning: no previous prototype for âbr_mrp_ring_role_parseâ [-Wmissing-prototypes]
> 148 | int br_mrp_ring_role_parse(struct net_bridge *br, struct nlattr *attr,
> | ^~~~~~~~~~~~~~~~~~~~~~
> net/bridge/br_mrp_netlink.c:181:5: warning: no previous prototype for âbr_mrp_start_test_parseâ [-Wmissing-prototypes]
> 181 | int br_mrp_start_test_parse(struct net_bridge *br, struct nlattr *attr,
> | ^~~~~~~~~~~~~~~~~~~~~~~
>
>
> Cheers,
> Nik
>
> > diff --git a/include/uapi/linux/if_bridge.h b/include/uapi/linux/if_bridge.h
> > index bd8c95488f161..5a43eb86c93bf 100644
> > --- a/include/uapi/linux/if_bridge.h
> > +++ b/include/uapi/linux/if_bridge.h
> > @@ -169,17 +169,69 @@ enum {
> > __IFLA_BRIDGE_MRP_MAX,
> > };
> >
> > +#define IFLA_BRIDGE_MRP_MAX (__IFLA_BRIDGE_MRP_MAX - 1)
> > +
> > +enum {
> > + IFLA_BRIDGE_MRP_INSTANCE_UNSPEC,
> > + IFLA_BRIDGE_MRP_INSTANCE_RING_ID,
> > + IFLA_BRIDGE_MRP_INSTANCE_P_IFINDEX,
> > + IFLA_BRIDGE_MRP_INSTANCE_S_IFINDEX,
> > + __IFLA_BRIDGE_MRP_INSTANCE_MAX,
> > +};
> > +
> > +#define IFLA_BRIDGE_MRP_INSTANCE_MAX (__IFLA_BRIDGE_MRP_INSTANCE_MAX - 1)
> > +
> > +enum {
> > + IFLA_BRIDGE_MRP_PORT_STATE_UNSPEC,
> > + IFLA_BRIDGE_MRP_PORT_STATE_STATE,
> > + __IFLA_BRIDGE_MRP_PORT_STATE_MAX,
> > +};
> > +
> > +#define IFLA_BRIDGE_MRP_PORT_STATE_MAX (__IFLA_BRIDGE_MRP_PORT_STATE_MAX - 1)
> > +
> > +enum {
> > + IFLA_BRIDGE_MRP_PORT_ROLE_UNSPEC,
> > + IFLA_BRIDGE_MRP_PORT_ROLE_ROLE,
> > + __IFLA_BRIDGE_MRP_PORT_ROLE_MAX,
> > +};
> > +
> > +#define IFLA_BRIDGE_MRP_PORT_ROLE_MAX (__IFLA_BRIDGE_MRP_PORT_ROLE_MAX - 1)
> > +
> > +enum {
> > + IFLA_BRIDGE_MRP_RING_STATE_UNSPEC,
> > + IFLA_BRIDGE_MRP_RING_STATE_RING_ID,
> > + IFLA_BRIDGE_MRP_RING_STATE_STATE,
> > + __IFLA_BRIDGE_MRP_RING_STATE_MAX,
> > +};
> > +
> > +#define IFLA_BRIDGE_MRP_RING_STATE_MAX (__IFLA_BRIDGE_MRP_RING_STATE_MAX - 1)
> > +
> > +enum {
> > + IFLA_BRIDGE_MRP_RING_ROLE_UNSPEC,
> > + IFLA_BRIDGE_MRP_RING_ROLE_RING_ID,
> > + IFLA_BRIDGE_MRP_RING_ROLE_ROLE,
> > + __IFLA_BRIDGE_MRP_RING_ROLE_MAX,
> > +};
> > +
> > +#define IFLA_BRIDGE_MRP_RING_ROLE_MAX (__IFLA_BRIDGE_MRP_RING_ROLE_MAX - 1)
> > +
> > +enum {
> > + IFLA_BRIDGE_MRP_START_TEST_UNSPEC,
> > + IFLA_BRIDGE_MRP_START_TEST_RING_ID,
> > + IFLA_BRIDGE_MRP_START_TEST_INTERVAL,
> > + IFLA_BRIDGE_MRP_START_TEST_MAX_MISS,
> > + IFLA_BRIDGE_MRP_START_TEST_PERIOD,
> > + __IFLA_BRIDGE_MRP_START_TEST_MAX,
> > +};
> > +
> > +#define IFLA_BRIDGE_MRP_START_TEST_MAX (__IFLA_BRIDGE_MRP_START_TEST_MAX - 1)
> > +
> > struct br_mrp_instance {
> > __u32 ring_id;
> > __u32 p_ifindex;
> > __u32 s_ifindex;
> > };
> >
> > -struct br_mrp_port_role {
> > - __u32 ring_id;
> > - __u32 role;
> > -};
> > -
> > struct br_mrp_ring_state {
> > __u32 ring_id;
> > __u32 ring_state;
> > @@ -197,8 +249,6 @@ struct br_mrp_start_test {
> > __u32 period;
> > };
> >
> > -#define IFLA_BRIDGE_MRP_MAX (__IFLA_BRIDGE_MRP_MAX - 1)
> > -
> > struct bridge_stp_xstats {
> > __u64 transition_blk;
> > __u64 transition_fwd;
> > diff --git a/net/bridge/br_mrp.c b/net/bridge/br_mrp.c
> > index 528d767eb026f..8ea59504ef47a 100644
> > --- a/net/bridge/br_mrp.c
> > +++ b/net/bridge/br_mrp.c
> > @@ -376,24 +376,24 @@ int br_mrp_set_port_state(struct net_bridge_port *p,
> > * note: already called with rtnl_lock
> > */
> > int br_mrp_set_port_role(struct net_bridge_port *p,
> > - struct br_mrp_port_role *role)
> > + enum br_mrp_port_role_type role)
> > {
> > struct br_mrp *mrp;
> >
> > if (!p || !(p->flags & BR_MRP_AWARE))
> > return -EINVAL;
> >
> > - mrp = br_mrp_find_id(p->br, role->ring_id);
> > + mrp = br_mrp_find_port(p->br, p);
> >
> > if (!mrp)
> > return -EINVAL;
> >
> > - if (role->role == BR_MRP_PORT_ROLE_PRIMARY)
> > + if (role == BR_MRP_PORT_ROLE_PRIMARY)
> > rcu_assign_pointer(mrp->p_port, p);
> > else
> > rcu_assign_pointer(mrp->s_port, p);
> >
> > - br_mrp_port_switchdev_set_role(p, role->role);
> > + br_mrp_port_switchdev_set_role(p, role);
> >
> > return 0;
> > }
> > diff --git a/net/bridge/br_mrp_netlink.c b/net/bridge/br_mrp_netlink.c
> > index 4a08a99519b04..cfad5d1cff050 100644
> > --- a/net/bridge/br_mrp_netlink.c
> > +++ b/net/bridge/br_mrp_netlink.c
> > @@ -8,19 +8,204 @@
> >
> > 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)},
> > + [IFLA_BRIDGE_MRP_INSTANCE] = { .type = NLA_NESTED },
> > + [IFLA_BRIDGE_MRP_PORT_STATE] = { .type = NLA_NESTED },
> > + [IFLA_BRIDGE_MRP_PORT_ROLE] = { .type = NLA_NESTED },
> > + [IFLA_BRIDGE_MRP_RING_STATE] = { .type = NLA_NESTED },
> > + [IFLA_BRIDGE_MRP_RING_ROLE] = { .type = NLA_NESTED },
> > + [IFLA_BRIDGE_MRP_START_TEST] = { .type = NLA_NESTED },
> > };
> >
> > +static const struct nla_policy
> > +br_mrp_instance_policy[IFLA_BRIDGE_MRP_INSTANCE_MAX + 1] = {
> > + [IFLA_BRIDGE_MRP_INSTANCE_UNSPEC] = { .type = NLA_REJECT },
> > + [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 },
> > +};
> > +
> > +int br_mrp_instance_parse(struct net_bridge *br, struct nlattr *attr,
> > + int cmd, struct netlink_ext_ack *extack)
> > +{
> > + struct nlattr *tb[IFLA_BRIDGE_MRP_INSTANCE_MAX + 1];
> > + struct br_mrp_instance inst;
> > + int err;
> > +
> > + err = nla_parse_nested(tb, IFLA_BRIDGE_MRP_INSTANCE_MAX, attr,
> > + br_mrp_instance_policy, extack);
> > + if (err)
> > + return err;
> > +
> > + if (!tb[IFLA_BRIDGE_MRP_INSTANCE_RING_ID] ||
> > + !tb[IFLA_BRIDGE_MRP_INSTANCE_P_IFINDEX] ||
> > + !tb[IFLA_BRIDGE_MRP_INSTANCE_S_IFINDEX])
> > + return -EINVAL;
> > +
> > + memset(&inst, 0, sizeof(inst));
> > +
> > + 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]);
> > +
> > + if (cmd == RTM_SETLINK)
> > + return br_mrp_add(br, &inst);
> > + else
> > + return br_mrp_del(br, &inst);
> > +
> > + return 0;
> > +}
> > +
> > +static const struct nla_policy
> > +br_mrp_port_state_policy[IFLA_BRIDGE_MRP_PORT_STATE_MAX + 1] = {
> > + [IFLA_BRIDGE_MRP_PORT_STATE_UNSPEC] = { .type = NLA_REJECT },
> > + [IFLA_BRIDGE_MRP_PORT_STATE_STATE] = { .type = NLA_U32 },
> > +};
> > +
> > +int br_mrp_port_state_parse(struct net_bridge_port *p, struct nlattr *attr,
> > + struct netlink_ext_ack *extack)
> > +{
> > + struct nlattr *tb[IFLA_BRIDGE_MRP_PORT_STATE_MAX + 1];
> > + enum br_mrp_port_state_type state;
> > + int err;
> > +
> > + err = nla_parse_nested(tb, IFLA_BRIDGE_MRP_PORT_STATE_MAX, attr,
> > + br_mrp_port_state_policy, extack);
> > + if (err)
> > + return err;
> > +
> > + if (!tb[IFLA_BRIDGE_MRP_PORT_STATE_STATE])
> > + return -EINVAL;
> > +
> > + state = nla_get_u32(tb[IFLA_BRIDGE_MRP_PORT_STATE_STATE]);
> > +
> > + return br_mrp_set_port_state(p, state);
> > +}
> > +
> > +static const struct nla_policy
> > +br_mrp_port_role_policy[IFLA_BRIDGE_MRP_PORT_ROLE_MAX + 1] = {
> > + [IFLA_BRIDGE_MRP_PORT_ROLE_UNSPEC] = { .type = NLA_REJECT },
> > + [IFLA_BRIDGE_MRP_PORT_ROLE_ROLE] = { .type = NLA_U32 },
> > +};
> > +
> > +int br_mrp_port_role_parse(struct net_bridge_port *p, struct nlattr *attr,
> > + struct netlink_ext_ack *extack)
> > +{
> > + struct nlattr *tb[IFLA_BRIDGE_MRP_PORT_ROLE_MAX + 1];
> > + enum br_mrp_port_role_type role;
> > + int err;
> > +
> > + err = nla_parse_nested(tb, IFLA_BRIDGE_MRP_PORT_ROLE_MAX, attr,
> > + br_mrp_port_role_policy, extack);
> > + if (err)
> > + return err;
> > +
> > + if (!tb[IFLA_BRIDGE_MRP_PORT_ROLE_ROLE])
> > + return -EINVAL;
> > +
> > + role = nla_get_u32(tb[IFLA_BRIDGE_MRP_PORT_ROLE_ROLE]);
> > +
> > + return br_mrp_set_port_role(p, role);
> > +}
> > +
> > +static const struct nla_policy
> > +br_mrp_ring_state_policy[IFLA_BRIDGE_MRP_RING_STATE_MAX + 1] = {
> > + [IFLA_BRIDGE_MRP_RING_STATE_UNSPEC] = { .type = NLA_REJECT },
> > + [IFLA_BRIDGE_MRP_RING_STATE_RING_ID] = { .type = NLA_U32 },
> > + [IFLA_BRIDGE_MRP_RING_STATE_STATE] = { .type = NLA_U32 },
> > +};
> > +
> > +int br_mrp_ring_state_parse(struct net_bridge *br, struct nlattr *attr,
> > + struct netlink_ext_ack *extack)
> > +{
> > + struct nlattr *tb[IFLA_BRIDGE_MRP_RING_STATE_MAX + 1];
> > + struct br_mrp_ring_state state;
> > + int err;
> > +
> > + err = nla_parse_nested(tb, IFLA_BRIDGE_MRP_RING_STATE_MAX, attr,
> > + br_mrp_ring_state_policy, extack);
> > + if (err)
> > + return err;
> > +
> > + if (!tb[IFLA_BRIDGE_MRP_RING_STATE_RING_ID] ||
> > + !tb[IFLA_BRIDGE_MRP_RING_STATE_STATE])
> > + return -EINVAL;
> > +
> > + memset(&state, 0x0, sizeof(state));
> > +
> > + state.ring_id = nla_get_u32(tb[IFLA_BRIDGE_MRP_RING_STATE_RING_ID]);
> > + state.ring_state = nla_get_u32(tb[IFLA_BRIDGE_MRP_RING_STATE_STATE]);
> > +
> > + return br_mrp_set_ring_state(br, &state);
> > +}
> > +
> > +static const struct nla_policy
> > +br_mrp_ring_role_policy[IFLA_BRIDGE_MRP_RING_ROLE_MAX + 1] = {
> > + [IFLA_BRIDGE_MRP_RING_ROLE_UNSPEC] = { .type = NLA_REJECT },
> > + [IFLA_BRIDGE_MRP_RING_ROLE_RING_ID] = { .type = NLA_U32 },
> > + [IFLA_BRIDGE_MRP_RING_ROLE_ROLE] = { .type = NLA_U32 },
> > +};
> > +
> > +int br_mrp_ring_role_parse(struct net_bridge *br, struct nlattr *attr,
> > + struct netlink_ext_ack *extack)
> > +{
> > + struct nlattr *tb[IFLA_BRIDGE_MRP_RING_ROLE_MAX + 1];
> > + struct br_mrp_ring_role role;
> > + int err;
> > +
> > + err = nla_parse_nested(tb, IFLA_BRIDGE_MRP_RING_ROLE_MAX, attr,
> > + br_mrp_ring_role_policy, extack);
> > + if (err)
> > + return err;
> > +
> > + if (!tb[IFLA_BRIDGE_MRP_RING_ROLE_RING_ID] ||
> > + !tb[IFLA_BRIDGE_MRP_RING_ROLE_ROLE])
> > + return -EINVAL;
> > +
> > + memset(&role, 0x0, sizeof(role));
> > +
> > + role.ring_id = nla_get_u32(tb[IFLA_BRIDGE_MRP_RING_ROLE_RING_ID]);
> > + role.ring_role = nla_get_u32(tb[IFLA_BRIDGE_MRP_RING_ROLE_ROLE]);
> > +
> > + return br_mrp_set_ring_role(br, &role);
> > +}
> > +
> > +static const struct nla_policy
> > +br_mrp_start_test_policy[IFLA_BRIDGE_MRP_START_TEST_MAX + 1] = {
> > + [IFLA_BRIDGE_MRP_START_TEST_UNSPEC] = { .type = NLA_REJECT },
> > + [IFLA_BRIDGE_MRP_START_TEST_RING_ID] = { .type = NLA_U32 },
> > + [IFLA_BRIDGE_MRP_START_TEST_INTERVAL] = { .type = NLA_U32 },
> > + [IFLA_BRIDGE_MRP_START_TEST_MAX_MISS] = { .type = NLA_U32 },
> > + [IFLA_BRIDGE_MRP_START_TEST_PERIOD] = { .type = NLA_U32 },
> > +};
> > +
> > +int br_mrp_start_test_parse(struct net_bridge *br, struct nlattr *attr,
> > + struct netlink_ext_ack *extack)
> > +{
> > + struct nlattr *tb[IFLA_BRIDGE_MRP_START_TEST_MAX + 1];
> > + struct br_mrp_start_test test;
> > + int err;
> > +
> > + err = nla_parse_nested(tb, IFLA_BRIDGE_MRP_START_TEST_MAX, attr,
> > + br_mrp_start_test_policy, extack);
> > + if (err)
> > + return err;
> > +
> > + if (!tb[IFLA_BRIDGE_MRP_START_TEST_RING_ID] ||
> > + !tb[IFLA_BRIDGE_MRP_START_TEST_INTERVAL] ||
> > + !tb[IFLA_BRIDGE_MRP_START_TEST_MAX_MISS] ||
> > + !tb[IFLA_BRIDGE_MRP_START_TEST_PERIOD])
> > + return -EINVAL;
> > +
> > + memset(&test, 0x0, sizeof(test));
> > +
> > + test.ring_id = nla_get_u32(tb[IFLA_BRIDGE_MRP_START_TEST_RING_ID]);
> > + test.interval = nla_get_u32(tb[IFLA_BRIDGE_MRP_START_TEST_INTERVAL]);
> > + test.max_miss = nla_get_u32(tb[IFLA_BRIDGE_MRP_START_TEST_MAX_MISS]);
> > + test.period = nla_get_u32(tb[IFLA_BRIDGE_MRP_START_TEST_PERIOD]);
> > +
> > + return br_mrp_start_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)
> > {
> > @@ -44,58 +229,45 @@ int br_mrp_parse(struct net_bridge *br, struct net_bridge_port *p,
> > 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);
> > + err = br_mrp_instance_parse(br, tb[IFLA_BRIDGE_MRP_INSTANCE],
> > + cmd, extack);
> > 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);
> > + err = br_mrp_port_state_parse(p, tb[IFLA_BRIDGE_MRP_PORT_STATE],
> > + extack);
> > 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);
> > + err = br_mrp_port_role_parse(p, tb[IFLA_BRIDGE_MRP_PORT_ROLE],
> > + extack);
> > 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);
> > + err = br_mrp_ring_state_parse(br,
> > + tb[IFLA_BRIDGE_MRP_RING_STATE],
> > + extack);
> > 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);
> > + err = br_mrp_ring_role_parse(br, tb[IFLA_BRIDGE_MRP_RING_ROLE],
> > + extack);
> > 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);
> > + err = br_mrp_start_test_parse(br,
> > + tb[IFLA_BRIDGE_MRP_START_TEST],
> > + extack);
> > if (err)
> > return err;
> > }
> > diff --git a/net/bridge/br_private_mrp.h b/net/bridge/br_private_mrp.h
> > index 2921a4b59f8e7..a0f53cc3ab85c 100644
> > --- a/net/bridge/br_private_mrp.h
> > +++ b/net/bridge/br_private_mrp.h
> > @@ -37,7 +37,7 @@ int br_mrp_del(struct net_bridge *br, struct br_mrp_instance *instance);
> > int br_mrp_set_port_state(struct net_bridge_port *p,
> > enum br_mrp_port_state_type state);
> > int br_mrp_set_port_role(struct net_bridge_port *p,
> > - struct br_mrp_port_role *role);
> > + enum br_mrp_port_role_type role);
> > int br_mrp_set_ring_state(struct net_bridge *br,
> > struct br_mrp_ring_state *state);
> > int br_mrp_set_ring_role(struct net_bridge *br, struct br_mrp_ring_role *role);
> >
>

--
/Horatiu

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