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f176411401
In IEC 62439-3 EntryForgetTime is defined with a value of 400 ms. When a
node does not send any frame within this time, the sequence number check
for can be ignored. This solves communication issues with Cisco IE 2000
in Redbox mode.
Fixes: f421436a59 ("net/hsr: Add support for the High-availability Seamless Redundancy protocol (HSRv0)")
Signed-off-by: Marco Wenzel <marco.wenzel@a-eberle.de>
Reviewed-by: George McCollister <george.mccollister@gmail.com>
Tested-by: George McCollister <george.mccollister@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lore.kernel.org/r/20210224094653.1440-1-marco.wenzel@a-eberle.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
87 lines
2.4 KiB
C
87 lines
2.4 KiB
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_FRAMEREG_H
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#define __HSR_FRAMEREG_H
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#include "hsr_main.h"
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struct hsr_node;
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struct hsr_frame_info {
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struct sk_buff *skb_std;
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struct sk_buff *skb_hsr;
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struct sk_buff *skb_prp;
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struct hsr_port *port_rcv;
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struct hsr_node *node_src;
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u16 sequence_nr;
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bool is_supervision;
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bool is_vlan;
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bool is_local_dest;
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bool is_local_exclusive;
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bool is_from_san;
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};
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void hsr_del_self_node(struct hsr_priv *hsr);
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void hsr_del_nodes(struct list_head *node_db);
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struct hsr_node *hsr_get_node(struct hsr_port *port, struct list_head *node_db,
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struct sk_buff *skb, bool is_sup,
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enum hsr_port_type rx_port);
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void hsr_handle_sup_frame(struct hsr_frame_info *frame);
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bool hsr_addr_is_self(struct hsr_priv *hsr, unsigned char *addr);
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void hsr_addr_subst_source(struct hsr_node *node, struct sk_buff *skb);
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void hsr_addr_subst_dest(struct hsr_node *node_src, struct sk_buff *skb,
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struct hsr_port *port);
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void hsr_register_frame_in(struct hsr_node *node, struct hsr_port *port,
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u16 sequence_nr);
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int hsr_register_frame_out(struct hsr_port *port, struct hsr_node *node,
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u16 sequence_nr);
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void hsr_prune_nodes(struct timer_list *t);
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int hsr_create_self_node(struct hsr_priv *hsr,
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unsigned char addr_a[ETH_ALEN],
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unsigned char addr_b[ETH_ALEN]);
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void *hsr_get_next_node(struct hsr_priv *hsr, void *_pos,
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unsigned char addr[ETH_ALEN]);
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int hsr_get_node_data(struct hsr_priv *hsr,
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const unsigned char *addr,
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unsigned char addr_b[ETH_ALEN],
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unsigned int *addr_b_ifindex,
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int *if1_age,
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u16 *if1_seq,
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int *if2_age,
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u16 *if2_seq);
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void prp_handle_san_frame(bool san, enum hsr_port_type port,
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struct hsr_node *node);
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void prp_update_san_info(struct hsr_node *node, bool is_sup);
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struct hsr_node {
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struct list_head mac_list;
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unsigned char macaddress_A[ETH_ALEN];
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unsigned char macaddress_B[ETH_ALEN];
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/* Local slave through which AddrB frames are received from this node */
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enum hsr_port_type addr_B_port;
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unsigned long time_in[HSR_PT_PORTS];
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bool time_in_stale[HSR_PT_PORTS];
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unsigned long time_out[HSR_PT_PORTS];
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/* if the node is a SAN */
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bool san_a;
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bool san_b;
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u16 seq_out[HSR_PT_PORTS];
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struct rcu_head rcu_head;
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};
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#endif /* __HSR_FRAMEREG_H */
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