cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

if_hsr.h (1052B)

      1/* SPDX-License-Identifier: GPL-2.0 */
      2#ifndef _LINUX_IF_HSR_H_
      3#define _LINUX_IF_HSR_H_
      4
      5/* used to differentiate various protocols */
      6enum hsr_version {
      7	HSR_V0 = 0,
      8	HSR_V1,
      9	PRP_V1,
     10};
     11
     12/* HSR Tag.
     13 * As defined in IEC-62439-3:2010, the HSR tag is really { ethertype = 0x88FB,
     14 * path, LSDU_size, sequence Nr }. But we let eth_header() create { h_dest,
     15 * h_source, h_proto = 0x88FB }, and add { path, LSDU_size, sequence Nr,
     16 * encapsulated protocol } instead.
     17 *
     18 * Field names as defined in the IEC:2010 standard for HSR.
     19 */
     20struct hsr_tag {
     21	__be16		path_and_LSDU_size;
     22	__be16		sequence_nr;
     23	__be16		encap_proto;
     24} __packed;
     25
     26#define HSR_HLEN	6
     27
     28#if IS_ENABLED(CONFIG_HSR)
     29extern bool is_hsr_master(struct net_device *dev);
     30extern int hsr_get_version(struct net_device *dev, enum hsr_version *ver);
     31#else
     32static inline bool is_hsr_master(struct net_device *dev)
     33{
     34	return false;
     35}
     36static inline int hsr_get_version(struct net_device *dev,
     37				  enum hsr_version *ver)
     38{
     39	return -EINVAL;
     40}
     41#endif /* CONFIG_HSR */
     42
     43#endif /*_LINUX_IF_HSR_H_*/