mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-10-30 08:02:30 +00:00
f7458934b0
According to the standard IEC 62439-2, in case the node behaves as MRA and needs to send Test frames on ring ports, then these Test frames need to have an Option TLV and a Sub-Option TLV which has the type AUTO_MGR. Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com> Signed-off-by: David S. Miller <davem@davemloft.net>
148 lines
4.3 KiB
C
148 lines
4.3 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
|
|
|
|
#ifndef _BR_PRIVATE_MRP_H_
|
|
#define _BR_PRIVATE_MRP_H_
|
|
|
|
#include "br_private.h"
|
|
#include <uapi/linux/mrp_bridge.h>
|
|
|
|
#define MRP_OPT_PADDING 0x2
|
|
|
|
struct br_mrp {
|
|
/* list of mrp instances */
|
|
struct hlist_node list;
|
|
|
|
struct net_bridge_port __rcu *p_port;
|
|
struct net_bridge_port __rcu *s_port;
|
|
struct net_bridge_port __rcu *i_port;
|
|
|
|
u32 ring_id;
|
|
u16 in_id;
|
|
u16 prio;
|
|
|
|
enum br_mrp_ring_role_type ring_role;
|
|
u8 ring_role_offloaded;
|
|
enum br_mrp_ring_state_type ring_state;
|
|
u32 ring_transitions;
|
|
|
|
enum br_mrp_in_role_type in_role;
|
|
u8 in_role_offloaded;
|
|
enum br_mrp_in_state_type in_state;
|
|
u32 in_transitions;
|
|
|
|
struct delayed_work test_work;
|
|
u32 test_interval;
|
|
unsigned long test_end;
|
|
u32 test_count_miss;
|
|
u32 test_max_miss;
|
|
bool test_monitor;
|
|
|
|
struct delayed_work in_test_work;
|
|
u32 in_test_interval;
|
|
unsigned long in_test_end;
|
|
u32 in_test_count_miss;
|
|
u32 in_test_max_miss;
|
|
|
|
u32 seq_id;
|
|
|
|
struct rcu_head rcu;
|
|
};
|
|
|
|
/* This type is returned by br_mrp_switchdev functions that allow to have a SW
|
|
* backup in case the HW can't implement completely the protocol.
|
|
* BR_MRP_NONE - means the HW can't run at all the protocol, so the SW stops
|
|
* configuring the node anymore.
|
|
* BR_MRP_SW - the HW can help the SW to run the protocol, by redirecting MRP
|
|
* frames to CPU.
|
|
* BR_MRP_HW - the HW can implement completely the protocol.
|
|
*/
|
|
enum br_mrp_hw_support {
|
|
BR_MRP_NONE,
|
|
BR_MRP_SW,
|
|
BR_MRP_HW,
|
|
};
|
|
|
|
/* br_mrp.c */
|
|
int br_mrp_add(struct net_bridge *br, struct br_mrp_instance *instance);
|
|
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,
|
|
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);
|
|
int br_mrp_start_test(struct net_bridge *br, struct br_mrp_start_test *test);
|
|
int br_mrp_set_in_state(struct net_bridge *br, struct br_mrp_in_state *state);
|
|
int br_mrp_set_in_role(struct net_bridge *br, struct br_mrp_in_role *role);
|
|
int br_mrp_start_in_test(struct net_bridge *br,
|
|
struct br_mrp_start_in_test *test);
|
|
|
|
/* br_mrp_switchdev.c */
|
|
int br_mrp_switchdev_add(struct net_bridge *br, struct br_mrp *mrp);
|
|
int br_mrp_switchdev_del(struct net_bridge *br, struct br_mrp *mrp);
|
|
enum br_mrp_hw_support
|
|
br_mrp_switchdev_set_ring_role(struct net_bridge *br, struct br_mrp *mrp,
|
|
enum br_mrp_ring_role_type role);
|
|
int br_mrp_switchdev_set_ring_state(struct net_bridge *br, struct br_mrp *mrp,
|
|
enum br_mrp_ring_state_type state);
|
|
enum br_mrp_hw_support
|
|
br_mrp_switchdev_send_ring_test(struct net_bridge *br, struct br_mrp *mrp,
|
|
u32 interval, u8 max_miss, u32 period,
|
|
bool monitor);
|
|
int br_mrp_port_switchdev_set_state(struct net_bridge_port *p, u32 state);
|
|
int br_mrp_port_switchdev_set_role(struct net_bridge_port *p,
|
|
enum br_mrp_port_role_type role);
|
|
enum br_mrp_hw_support
|
|
br_mrp_switchdev_set_in_role(struct net_bridge *br, struct br_mrp *mrp,
|
|
u16 in_id, u32 ring_id,
|
|
enum br_mrp_in_role_type role);
|
|
int br_mrp_switchdev_set_in_state(struct net_bridge *br, struct br_mrp *mrp,
|
|
enum br_mrp_in_state_type state);
|
|
enum br_mrp_hw_support
|
|
br_mrp_switchdev_send_in_test(struct net_bridge *br, struct br_mrp *mrp,
|
|
u32 interval, u8 max_miss, u32 period);
|
|
|
|
/* br_mrp_netlink.c */
|
|
int br_mrp_ring_port_open(struct net_device *dev, u8 loc);
|
|
int br_mrp_in_port_open(struct net_device *dev, u8 loc);
|
|
|
|
/* MRP protocol data units */
|
|
struct br_mrp_tlv_hdr {
|
|
__u8 type;
|
|
__u8 length;
|
|
};
|
|
|
|
struct br_mrp_common_hdr {
|
|
__be16 seq_id;
|
|
__u8 domain[MRP_DOMAIN_UUID_LENGTH];
|
|
};
|
|
|
|
struct br_mrp_ring_test_hdr {
|
|
__be16 prio;
|
|
__u8 sa[ETH_ALEN];
|
|
__be16 port_role;
|
|
__be16 state;
|
|
__be16 transitions;
|
|
__be32 timestamp;
|
|
} __attribute__((__packed__));
|
|
|
|
struct br_mrp_in_test_hdr {
|
|
__be16 id;
|
|
__u8 sa[ETH_ALEN];
|
|
__be16 port_role;
|
|
__be16 state;
|
|
__be16 transitions;
|
|
__be32 timestamp;
|
|
} __attribute__((__packed__));
|
|
|
|
struct br_mrp_oui_hdr {
|
|
__u8 oui[MRP_OUI_LENGTH];
|
|
};
|
|
|
|
struct br_mrp_sub_option1_hdr {
|
|
__u8 type;
|
|
__u8 data[MRP_MANUFACTURE_DATA_LENGTH];
|
|
};
|
|
|
|
#endif /* _BR_PRIVATE_MRP_H */
|