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net: ethernet: Add 802.1Qav settings to eth mgmt api

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This commit adds a possibility to use Qav (credit-based shaping) in the
ethernet drivers.

There are two parameters exposed through the mgmt api: deltaBandwidth
and idleSlope.

Signed-off-by: Tomasz Gorochowik <tgorochowik@antmicro.com>
This commit is contained in:
Tomasz Gorochowik 2018-05-16 15:46:17 +02:00 committed by Anas Nashif
parent 22ba08faa3
commit 226fa97304
3 changed files with 58 additions and 0 deletions
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15
include/net/ethernet.h
View file

@ -75,6 +75,9 @@ enum ethernet_hw_caps {
/** IEEE 802.1AS (gPTP) clock supported */
ETHERNET_PTP = BIT(8),
/** IEEE 802.1Qav (credit-based shaping) supported */
ETHERNET_QAV = BIT(9),
};
enum ethernet_config_type {
@ -82,6 +85,16 @@ enum ethernet_config_type {
ETHERNET_CONFIG_TYPE_LINK,
ETHERNET_CONFIG_TYPE_DUPLEX,
ETHERNET_CONFIG_TYPE_MAC_ADDRESS,
ETHERNET_CONFIG_TYPE_QAV_DELTA_BANDWIDTH,
ETHERNET_CONFIG_TYPE_QAV_IDLE_SLOPE,
};
struct ethernet_qav_queue_param {
int queue_id;
union {
unsigned int delta_bandwidth;
unsigned int idle_slope;
};
};
struct ethernet_config {
@ -97,6 +110,8 @@ struct ethernet_config {
} l;
struct net_eth_addr mac_address;
struct ethernet_qav_queue_param qav_queue_param;
};
/* @endcond */
};

15
include/net/ethernet_mgmt.h
View file

@ -38,6 +38,8 @@ enum net_request_ethernet_cmd {
NET_REQUEST_ETHERNET_CMD_SET_LINK,
NET_REQUEST_ETHERNET_CMD_SET_DUPLEX,
NET_REQUEST_ETHERNET_CMD_SET_MAC_ADDRESS,
NET_REQUEST_ETHERNET_CMD_SET_QAV_DELTA_BANDWIDTH,
NET_REQUEST_ETHERNET_CMD_SET_QAV_IDLE_SLOPE,
};
#define NET_REQUEST_ETHERNET_SET_AUTO_NEGOTIATION \
@ -60,7 +62,18 @@ NET_MGMT_DEFINE_REQUEST_HANDLER(NET_REQUEST_ETHERNET_SET_DUPLEX);
NET_MGMT_DEFINE_REQUEST_HANDLER(NET_REQUEST_ETHERNET_SET_MAC_ADDRESS);
#define NET_REQUEST_ETHERNET_SET_QAV_DELTA_BANDWIDTH \
(_NET_ETHERNET_BASE | NET_REQUEST_ETHERNET_CMD_SET_QAV_DELTA_BANDWIDTH)
NET_MGMT_DEFINE_REQUEST_HANDLER(NET_REQUEST_ETHERNET_SET_QAV_DELTA_BANDWIDTH);
#define NET_REQUEST_ETHERNET_SET_QAV_IDLE_SLOPE \
(_NET_ETHERNET_BASE | NET_REQUEST_ETHERNET_CMD_SET_QAV_IDLE_SLOPE)
NET_MGMT_DEFINE_REQUEST_HANDLER(NET_REQUEST_ETHERNET_SET_QAV_IDLE_SLOPE);
struct net_eth_addr;
struct ethernet_qav_queue_param;
struct ethernet_req_params {
union {
@ -74,6 +87,8 @@ struct ethernet_req_params {
} l;
struct net_eth_addr mac_address;
struct ethernet_qav_queue_param qav_queue_param;
};
};

28
subsys/net/l2/ethernet/ethernet_mgmt.c
View file

@ -93,6 +93,28 @@ static int ethernet_set_config(u32_t mgmt_request,
memcpy(&config.mac_address, &params->mac_address,
sizeof(struct net_eth_addr));
type = ETHERNET_CONFIG_TYPE_MAC_ADDRESS;
} else if (mgmt_request ==
NET_REQUEST_ETHERNET_SET_QAV_DELTA_BANDWIDTH) {
if (!is_hw_caps_supported(dev, ETHERNET_QAV)) {
return -ENOTSUP;
}
if (params->qav_queue_param.delta_bandwidth < 0
|| params->qav_queue_param.delta_bandwidth > 100) {
return -EINVAL;
}
memcpy(&config.qav_queue_param, &params->qav_queue_param,
sizeof(struct ethernet_qav_queue_param));
type = ETHERNET_CONFIG_TYPE_QAV_DELTA_BANDWIDTH;
} else if (mgmt_request == NET_REQUEST_ETHERNET_SET_QAV_IDLE_SLOPE) {
if (!is_hw_caps_supported(dev, ETHERNET_QAV)) {
return -ENOTSUP;
}
memcpy(&config.qav_queue_param, &params->qav_queue_param,
sizeof(struct ethernet_qav_queue_param));
type = ETHERNET_CONFIG_TYPE_QAV_IDLE_SLOPE;
} else {
return -EINVAL;
}
@ -112,6 +134,12 @@ NET_MGMT_REGISTER_REQUEST_HANDLER(NET_REQUEST_ETHERNET_SET_DUPLEX,
NET_MGMT_REGISTER_REQUEST_HANDLER(NET_REQUEST_ETHERNET_SET_MAC_ADDRESS,
ethernet_set_config);
NET_MGMT_REGISTER_REQUEST_HANDLER(NET_REQUEST_ETHERNET_SET_QAV_DELTA_BANDWIDTH,
ethernet_set_config);
NET_MGMT_REGISTER_REQUEST_HANDLER(NET_REQUEST_ETHERNET_SET_QAV_IDLE_SLOPE,
ethernet_set_config);
void ethernet_mgmt_raise_carrier_on_event(struct net_if *iface)
{
net_mgmt_event_notify(NET_EVENT_ETHERNET_CARRIER_ON, iface);