Contributors: 7
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Arvid Brodin |
65 |
35.71% |
5 |
35.71% |
| George McCollister |
52 |
28.57% |
1 |
7.14% |
| MD Danish Anwar |
29 |
15.93% |
1 |
7.14% |
| Murali Karicheri |
13 |
7.14% |
2 |
14.29% |
| Taehee Yoo |
10 |
5.49% |
3 |
21.43% |
| Michal Kubeček |
7 |
3.85% |
1 |
7.14% |
| Jakub Kiciński |
6 |
3.30% |
1 |
7.14% |
| Total |
182 |
|
14 |
|
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX_IF_HSR_H_
#define _LINUX_IF_HSR_H_
#include <linux/types.h>
struct net_device;
/* used to differentiate various protocols */
enum hsr_version {
HSR_V0 = 0,
HSR_V1,
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,
* h_source, h_proto = 0x88FB }, and add { path, LSDU_size, sequence Nr,
* encapsulated protocol } instead.
*
* Field names as defined in the IEC:2010 standard for HSR.
*/
struct hsr_tag {
__be16 path_and_LSDU_size;
__be16 sequence_nr;
__be16 encap_proto;
} __packed;
#define HSR_HLEN 6
#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)
{
return false;
}
static inline int hsr_get_version(struct net_device *dev,
enum hsr_version *ver)
{
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_*/