@@ -13,6 +13,15 @@ enum hsr_version {
PRP_V1,
};
+enum hsr_port_type {
+ HSR_PT_NONE = 0, /* Must be 0, used by framereg */
+ HSR_PT_SLAVE_A,
+ HSR_PT_SLAVE_B,
+ HSR_PT_INTERLINK,
+ HSR_PT_MASTER,
+ HSR_PT_PORTS, /* This must be the last item in the enum */
+};
+
/* HSR Tag.
* As defined in IEC-62439-3:2010, the HSR tag is really { ethertype = 0x88FB,
* path, LSDU_size, sequence Nr }. But we let eth_header() create { h_dest,
@@ -32,6 +41,8 @@ struct hsr_tag {
#if IS_ENABLED(CONFIG_HSR)
extern bool is_hsr_master(struct net_device *dev);
extern int hsr_get_version(struct net_device *dev, enum hsr_version *ver);
+struct net_device *hsr_get_port_ndev(struct net_device *ndev,
+ enum hsr_port_type pt);
#else
static inline bool is_hsr_master(struct net_device *dev)
{
@@ -42,6 +53,12 @@ static inline int hsr_get_version(struct net_device *dev,
{
return -EINVAL;
}
+
+static inline struct net_device *hsr_get_port_ndev(struct net_device *ndev,
+ enum hsr_port_type pt)
+{
+ return ERR_PTR(-EINVAL);
+}
#endif /* CONFIG_HSR */
#endif /*_LINUX_IF_HSR_H_*/
@@ -663,6 +663,19 @@ bool is_hsr_master(struct net_device *dev)
}
EXPORT_SYMBOL(is_hsr_master);
+struct net_device *hsr_get_port_ndev(struct net_device *ndev,
+ enum hsr_port_type pt)
+{
+ struct hsr_priv *hsr = netdev_priv(ndev);
+ struct hsr_port *port;
+
+ hsr_for_each_port(hsr, port)
+ if (port->type == pt)
+ return port->dev;
+ return NULL;
+}
+EXPORT_SYMBOL(hsr_get_port_ndev);
+
/* Default multicast address for HSR Supervision frames */
static const unsigned char def_multicast_addr[ETH_ALEN] __aligned(2) = {
0x01, 0x15, 0x4e, 0x00, 0x01, 0x00
@@ -121,15 +121,6 @@ struct hsrv1_ethhdr_sp {
struct hsr_sup_tag hsr_sup;
} __packed;
-enum hsr_port_type {
- HSR_PT_NONE = 0, /* Must be 0, used by framereg */
- HSR_PT_SLAVE_A,
- HSR_PT_SLAVE_B,
- HSR_PT_INTERLINK,
- HSR_PT_MASTER,
- HSR_PT_PORTS, /* This must be the last item in the enum */
-};
-
/* PRP Redunancy Control Trailor (RCT).
* As defined in IEC-62439-4:2012, the PRP RCT is really { sequence Nr,
* Lan indentifier (LanId), LSDU_size and PRP_suffix = 0x88FB }.
Create an API to get the net_device to the slave port of HSR device. The API will take hsr net_device and enum hsr_port_type for which we want the net_device as arguments. This API can be used by client drivers who support HSR and want to get the net_devcie of slave ports from the hsr device. Export this API for the same. This API needs the enum hsr_port_type to be accessible by the drivers using hsr. Move the enum hsr_port_type from net/hsr/hsr_main.h to include/linux/if_hsr.h for the same. Signed-off-by: MD Danish Anwar <danishanwar@ti.com> --- include/linux/if_hsr.h | 17 +++++++++++++++++ net/hsr/hsr_device.c | 13 +++++++++++++ net/hsr/hsr_main.h | 9 --------- 3 files changed, 30 insertions(+), 9 deletions(-)