| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Arvid Brodin | 543 | 46.73% | 7 | 17.95% |
| Murali Karicheri | 416 | 35.80% | 11 | 28.21% |
| Taehee Yoo | 57 | 4.91% | 4 | 10.26% |
| Lukasz Majewski | 42 | 3.61% | 2 | 5.13% |
| Andreas Oetken | 32 | 2.75% | 2 | 5.13% |
| Peter Heise | 19 | 1.64% | 1 | 2.56% |
| Sebastian Andrzej Siewior | 17 | 1.46% | 3 | 7.69% |
| Fernando Fernandez Mancera | 7 | 0.60% | 1 | 2.56% |
| Jaakko Karrenpalo | 5 | 0.43% | 1 | 2.56% |
| Marco Wenzel | 5 | 0.43% | 1 | 2.56% |
| Hangbin Liu | 4 | 0.34% | 1 | 2.56% |
| Ravi Gunasekaran | 4 | 0.34% | 1 | 2.56% |
| George McCollister | 4 | 0.34% | 2 | 5.13% |
| Eric Dumazet | 4 | 0.34% | 1 | 2.56% |
| Eli Cohen | 3 | 0.26% | 1 | 2.56% |
| Total | 1162 | 39 |
/* SPDX-License-Identifier: GPL-2.0 */ /* Copyright 2011-2014 Autronica Fire and Security AS * * Author(s): * 2011-2014 Arvid Brodin, arvid.brodin@alten.se * * include file for HSR and PRP. */ #ifndef __HSR_PRIVATE_H #define __HSR_PRIVATE_H #include <linux/netdevice.h> #include <linux/list.h> #include <linux/if_vlan.h> #include <linux/if_hsr.h> /* Time constants as specified in the HSR specification (IEC-62439-3 2010) * Table 8. * All values in milliseconds. */ #define HSR_LIFE_CHECK_INTERVAL 2000 /* ms */ #define HSR_NODE_FORGET_TIME 60000 /* ms */ #define HSR_PROXY_NODE_FORGET_TIME 60000 /* ms */ #define HSR_ANNOUNCE_INTERVAL 100 /* ms */ #define HSR_ENTRY_FORGET_TIME 400 /* ms */ /* By how much may slave1 and slave2 timestamps of latest received frame from * each node differ before we notify of communication problem? */ #define MAX_SLAVE_DIFF 3000 /* ms */ #define HSR_SEQNR_START (USHRT_MAX - 1024) #define HSR_SUP_SEQNR_START (HSR_SEQNR_START / 2) /* How often shall we check for broken ring and remove node entries older than * HSR_NODE_FORGET_TIME? */ #define PRUNE_PERIOD 3000 /* ms */ #define PRUNE_PROXY_PERIOD 3000 /* ms */ #define HSR_TLV_EOT 0 /* End of TLVs */ #define HSR_TLV_ANNOUNCE 22 #define HSR_TLV_LIFE_CHECK 23 /* PRP V1 life check for Duplicate discard */ #define PRP_TLV_LIFE_CHECK_DD 20 /* PRP V1 life check for Duplicate Accept */ #define PRP_TLV_LIFE_CHECK_DA 21 /* PRP V1 life redundancy box MAC address */ #define PRP_TLV_REDBOX_MAC 30 #define HSR_V1_SUP_LSDUSIZE 52 /* The helper functions below assumes that 'path' occupies the 4 most * significant bits of the 16-bit field shared by 'path' and 'LSDU_size' (or * equivalently, the 4 most significant bits of HSR tag byte 14). * * This is unclear in the IEC specification; its definition of MAC addresses * indicates the spec is written with the least significant bit first (to the * left). This, however, would mean that the LSDU field would be split in two * with the path field in-between, which seems strange. I'm guessing the MAC * address definition is in error. */ static inline void set_hsr_tag_path(struct hsr_tag *ht, u16 path) { ht->path_and_LSDU_size = htons((ntohs(ht->path_and_LSDU_size) & 0x0FFF) | (path << 12)); } static inline void set_hsr_tag_LSDU_size(struct hsr_tag *ht, u16 LSDU_size) { ht->path_and_LSDU_size = htons((ntohs(ht->path_and_LSDU_size) & 0xF000) | (LSDU_size & 0x0FFF)); } struct hsr_ethhdr { struct ethhdr ethhdr; struct hsr_tag hsr_tag; } __packed; struct hsr_vlan_ethhdr { struct vlan_ethhdr vlanhdr; struct hsr_tag hsr_tag; } __packed; struct hsr_sup_tlv { u8 HSR_TLV_type; u8 HSR_TLV_length; } __packed; /* HSR/PRP Supervision Frame data types. * Field names as defined in the IEC:2010 standard for HSR. */ struct hsr_sup_tag { __be16 path_and_HSR_ver; __be16 sequence_nr; struct hsr_sup_tlv tlv; } __packed; struct hsr_sup_payload { unsigned char macaddress_A[ETH_ALEN]; } __packed; static inline void set_hsr_stag_path(struct hsr_sup_tag *hst, u16 path) { set_hsr_tag_path((struct hsr_tag *)hst, path); } static inline void set_hsr_stag_HSR_ver(struct hsr_sup_tag *hst, u16 HSR_ver) { set_hsr_tag_LSDU_size((struct hsr_tag *)hst, HSR_ver); } struct hsrv0_ethhdr_sp { struct ethhdr ethhdr; struct hsr_sup_tag hsr_sup; } __packed; struct hsrv1_ethhdr_sp { struct ethhdr ethhdr; struct hsr_tag hsr; struct hsr_sup_tag hsr_sup; } __packed; /* 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 }. * * Field names as defined in the IEC:2012 standard for PRP. */ struct prp_rct { __be16 sequence_nr; __be16 lan_id_and_LSDU_size; __be16 PRP_suffix; } __packed; static inline u16 get_prp_LSDU_size(struct prp_rct *rct) { return ntohs(rct->lan_id_and_LSDU_size) & 0x0FFF; } static inline void set_prp_lan_id(struct prp_rct *rct, u16 lan_id) { rct->lan_id_and_LSDU_size = htons((ntohs(rct->lan_id_and_LSDU_size) & 0x0FFF) | (lan_id << 12)); } static inline void set_prp_LSDU_size(struct prp_rct *rct, u16 LSDU_size) { rct->lan_id_and_LSDU_size = htons((ntohs(rct->lan_id_and_LSDU_size) & 0xF000) | (LSDU_size & 0x0FFF)); } struct hsr_port { struct list_head port_list; struct net_device *dev; struct hsr_priv *hsr; enum hsr_port_type type; struct rcu_head rcu; unsigned char original_macaddress[ETH_ALEN]; }; struct hsr_frame_info; struct hsr_node; struct hsr_proto_ops { /* format and send supervision frame */ void (*send_sv_frame)(struct hsr_port *port, unsigned long *interval, const unsigned char addr[ETH_ALEN]); void (*handle_san_frame)(bool san, enum hsr_port_type port, struct hsr_node *node); bool (*drop_frame)(struct hsr_frame_info *frame, struct hsr_port *port); struct sk_buff * (*get_untagged_frame)(struct hsr_frame_info *frame, struct hsr_port *port); struct sk_buff * (*create_tagged_frame)(struct hsr_frame_info *frame, struct hsr_port *port); int (*fill_frame_info)(__be16 proto, struct sk_buff *skb, struct hsr_frame_info *frame); bool (*invalid_dan_ingress_frame)(__be16 protocol); void (*update_san_info)(struct hsr_node *node, bool is_sup); int (*register_frame_out)(struct hsr_port *port, struct hsr_frame_info *frame); }; struct hsr_self_node { unsigned char macaddress_A[ETH_ALEN]; unsigned char macaddress_B[ETH_ALEN]; struct rcu_head rcu_head; }; struct hsr_priv { struct rcu_head rcu_head; struct list_head ports; struct list_head node_db; /* Known HSR nodes */ struct list_head proxy_node_db; /* RedBox HSR proxy nodes */ struct hsr_self_node __rcu *self_node; /* MACs of slaves */ struct timer_list announce_timer; /* Supervision frame dispatch */ struct timer_list announce_proxy_timer; struct timer_list prune_timer; struct timer_list prune_proxy_timer; int announce_count; u16 sequence_nr; u16 sup_sequence_nr; /* For HSRv1 separate seq_nr for supervision */ enum hsr_version prot_version; /* Indicate if HSRv0, HSRv1 or PRPv1 */ spinlock_t seqnr_lock; /* locking for sequence_nr */ spinlock_t list_lock; /* locking for node list */ struct hsr_proto_ops *proto_ops; #define PRP_LAN_ID 0x5 /* 0x1010 for A and 0x1011 for B. Bit 0 is set * based on SLAVE_A or SLAVE_B */ u8 net_id; /* for PRP, it occupies most significant 3 bits * of lan_id */ bool fwd_offloaded; /* Forwarding offloaded to HW */ bool redbox; /* Device supports HSR RedBox */ unsigned char macaddress_redbox[ETH_ALEN]; unsigned char sup_multicast_addr[ETH_ALEN] __aligned(sizeof(u16)); /* Align to u16 boundary to avoid unaligned access * in ether_addr_equal */ #ifdef CONFIG_DEBUG_FS struct dentry *node_tbl_root; #endif }; #define hsr_for_each_port(hsr, port) \ list_for_each_entry_rcu((port), &(hsr)->ports, port_list) #define hsr_for_each_port_rtnl(hsr, port) \ list_for_each_entry_rcu((port), &(hsr)->ports, port_list, lockdep_rtnl_is_held()) struct hsr_port *hsr_port_get_hsr(struct hsr_priv *hsr, enum hsr_port_type pt); /* Caller must ensure skb is a valid HSR frame */ static inline u16 hsr_get_skb_sequence_nr(struct sk_buff *skb) { struct hsr_ethhdr *hsr_ethhdr; hsr_ethhdr = (struct hsr_ethhdr *)skb_mac_header(skb); return ntohs(hsr_ethhdr->hsr_tag.sequence_nr); } static inline struct prp_rct *skb_get_PRP_rct(struct sk_buff *skb) { unsigned char *tail = skb_tail_pointer(skb) - HSR_HLEN; struct prp_rct *rct = (struct prp_rct *)tail; if (rct->PRP_suffix == htons(ETH_P_PRP)) return rct; return NULL; } /* Assume caller has confirmed this skb is PRP suffixed */ static inline u16 prp_get_skb_sequence_nr(struct prp_rct *rct) { return ntohs(rct->sequence_nr); } /* assume there is a valid rct */ static inline bool prp_check_lsdu_size(struct sk_buff *skb, struct prp_rct *rct, bool is_sup) { struct ethhdr *ethhdr; int expected_lsdu_size; if (is_sup) { expected_lsdu_size = HSR_V1_SUP_LSDUSIZE; } else { ethhdr = (struct ethhdr *)skb_mac_header(skb); expected_lsdu_size = skb->len - 14; if (ethhdr->h_proto == htons(ETH_P_8021Q)) expected_lsdu_size -= 4; } return (expected_lsdu_size == get_prp_LSDU_size(rct)); } #if IS_ENABLED(CONFIG_DEBUG_FS) void hsr_debugfs_rename(struct net_device *dev); void hsr_debugfs_init(struct hsr_priv *priv, struct net_device *hsr_dev); void hsr_debugfs_term(struct hsr_priv *priv); void hsr_debugfs_create_root(void); void hsr_debugfs_remove_root(void); #else static inline void hsr_debugfs_rename(struct net_device *dev) { } static inline void hsr_debugfs_init(struct hsr_priv *priv, struct net_device *hsr_dev) {} static inline void hsr_debugfs_term(struct hsr_priv *priv) {} static inline void hsr_debugfs_create_root(void) {} static inline void hsr_debugfs_remove_root(void) {} #endif #endif /* __HSR_PRIVATE_H */