8f4c0e0178
Parallel Redundancy Protocol (PRP) is another redundancy protocol introduced by IEC 63439 standard. It is similar to HSR in many aspects:- - Use a pair of Ethernet interfaces to created the PRP device - Use a 6 byte redundancy protocol part (RCT, Redundancy Check Trailer) similar to HSR Tag. - Has Link Redundancy Entity (LRE) that works with RCT to implement redundancy. Key difference is that the protocol unit is a trailer instead of a prefix as in HSR. That makes it inter-operable with tradition network components such as bridges/switches which treat it as pad bytes, whereas HSR nodes requires some kind of translators (Called redbox) to talk to regular network devices. This features allows regular linux box to be converted to a DAN-P box. DAN-P stands for Dual Attached Node - PRP similar to DAN-H (Dual Attached Node - HSR). Add a comment at the header/source code to explicitly state that the driver files also handles PRP protocol as well. Signed-off-by: Murali Karicheri <m-karicheri2@ti.com> Signed-off-by: David S. Miller <davem@davemloft.net>
25 lines
736 B
C
25 lines
736 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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/* Copyright 2011-2014 Autronica Fire and Security AS
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*
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* Author(s):
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* 2011-2014 Arvid Brodin, arvid.brodin@alten.se
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*
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* include file for HSR and PRP.
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*/
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#ifndef __HSR_DEVICE_H
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#define __HSR_DEVICE_H
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#include <linux/netdevice.h>
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#include "hsr_main.h"
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void hsr_del_ports(struct hsr_priv *hsr);
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void hsr_dev_setup(struct net_device *dev);
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int hsr_dev_finalize(struct net_device *hsr_dev, struct net_device *slave[2],
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unsigned char multicast_spec, u8 protocol_version,
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struct netlink_ext_ack *extack);
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void hsr_check_carrier_and_operstate(struct hsr_priv *hsr);
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bool is_hsr_master(struct net_device *dev);
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int hsr_get_max_mtu(struct hsr_priv *hsr);
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#endif /* __HSR_DEVICE_H */
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