Distributed Switch Architecture (DSA)

Distributed Switch Architecture (DSA) . More...

Data Structures
struct	dsa_switch_context
	DSA switch context data. More...
struct	dsa_api
	Structure to provide DSA switch api callbacks - it is an augmented struct ethernet_api. More...
struct	dsa_port_config
	Structure of DSA port configuration. More...

Macros
#define	DSA_PORT_INST_INIT(port, n, cfg)
	Macro for DSA port instance initialization.
#define	DSA_SWITCH_INST_INIT(n, _dapi, data, fn)
	Macro for DSA switch instance initialization.

Functions
struct net_if *	dsa_user_get_iface (struct net_if *iface, int port_idx)
	Get network interface of a user port.

Detailed Description

Distributed Switch Architecture (DSA) .

Since

4.2

Version

0.8.0

Macro Definition Documentation

DSA_PORT_INST_INIT

#define DSA_PORT_INST_INIT	(		port,
			n,
			cfg )

#include <zephyr/net/dsa_core.h>

Value:

        NET_DEVICE_INIT_INSTANCE(CONCAT(dsa_, n, port), DEVICE_DT_NAME(port), DT_REG_ADDR(port),   \
                                 dsa_port_initialize, NULL, &dsa_switch_context_##n, cfg,          \
                                 CONFIG_ETH_INIT_PRIORITY, &dsa_eth_api, ETHERNET_L2,              \
                                 NET_L2_GET_CTX_TYPE(ETHERNET_L2), NET_ETH_MTU);

Macro for DSA port instance initialization.

Parameters

port	DSA port node identifier.
n	DSA instance number.
cfg	Pointer to dsa_port_config.

DSA_SWITCH_INST_INIT

#define DSA_SWITCH_INST_INIT	(		n,
			_dapi,
			data,
			fn )

#include <zephyr/net/dsa_core.h>

Value:

        struct dsa_switch_context dsa_switch_context_##n = {                                       \
                .dapi = _dapi,                                                                     \
                .prv_data = data,                                                                  \
                .init_ports = 0,                                                                   \
                .num_ports = DT_INST_CHILD_NUM_STATUS_OKAY(n),                                     \
        };                                                                                         \
        DT_INST_FOREACH_CHILD_STATUS_OKAY_VARGS(n, fn, n);

Macro for DSA switch instance initialization.

Parameters

n	DSA instance number.
_dapi	Pointer to dsa_api.
data	Pointer to private data.
fn	DSA port instance init function.

Function Documentation

dsa_user_get_iface()

struct net_if * dsa_user_get_iface	(	struct net_if *	iface,
		int	port_idx )

#include <zephyr/net/dsa_core.h>

Get network interface of a user port.

Parameters

	iface	Conduit port
[in]	port_idx	Port index

Returns

network interface of the user if successful

NULL if user port does not exist