change system file

hc

2024-10-09 244b2c5ca8b14627e4a17755e5922221e121c771

 kernel/net/tipc/bearer.h
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@@ -93,7 +93,8 @@
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  * @raw2addr: convert from raw addr format to media addr format
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  * @priority: default link (and bearer) priority
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  * @tolerance: default time (in ms) before declaring link failure
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- * @window: default window (in packets) before declaring link congestion
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+ * @min_win: minimum window (in packets) before declaring link congestion
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+ * @max_win: maximum window (in packets) before declaring link congestion
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  * @mtu: max packet size bearer can support for media type not dependent on
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  * underlying device MTU
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  * @type_id: TIPC media identifier
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@@ -119,7 +120,8 @@
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 			char *raw);
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 	u32 priority;
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 	u32 tolerance;
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-	u32 window;
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+	u32 min_win;
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+	u32 max_win;
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 	u32 mtu;
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 	u32 type_id;
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 	u32 hwaddr_len;
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@@ -137,12 +139,15 @@
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  * @pt: packet type for bearer
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  * @rcu: rcu struct for tipc_bearer
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  * @priority: default link priority for bearer
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- * @window: default window size for bearer
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+ * @min_win: minimum window (in packets) before declaring link congestion
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+ * @max_win: maximum window (in packets) before declaring link congestion
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  * @tolerance: default link tolerance for bearer
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  * @domain: network domain to which links can be established
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  * @identity: array index of this bearer within TIPC bearer array
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- * @link_req: ptr to (optional) structure making periodic link setup requests
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+ * @disc: ptr to link setup request
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  * @net_plane: network plane ('A' through 'H') currently associated with bearer
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+ * @up: bearer up flag (bit 0)
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+ * @refcnt: tipc_bearer reference counter
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  *
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  * Note: media-specific code is responsible for initialization of the fields
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  * indicated below when a bearer is enabled; TIPC's generic bearer code takes
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@@ -158,13 +163,15 @@
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 	struct packet_type pt;
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 	struct rcu_head rcu;
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 	u32 priority;
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-	u32 window;
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+	u32 min_win;
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+	u32 max_win;
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 	u32 tolerance;
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 	u32 domain;
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 	u32 identity;
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 	struct tipc_discoverer *disc;
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 	char net_plane;
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 	unsigned long up;
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+	refcount_t refcnt;
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 };
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 struct tipc_bearer_names {
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@@ -207,9 +214,11 @@
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 int tipc_media_set_priority(const char *name, u32 new_value);
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 int tipc_media_set_window(const char *name, u32 new_value);
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-void tipc_media_addr_printf(char *buf, int len, struct tipc_media_addr *a);
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+int tipc_media_addr_printf(char *buf, int len, struct tipc_media_addr *a);
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 int tipc_enable_l2_media(struct net *net, struct tipc_bearer *b,
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 			 struct nlattr *attrs[]);
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+bool tipc_bearer_hold(struct tipc_bearer *b);
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+void tipc_bearer_put(struct tipc_bearer *b);
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 void tipc_disable_l2_media(struct tipc_bearer *b);
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 int tipc_l2_send_msg(struct net *net, struct sk_buff *buf,
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 		     struct tipc_bearer *b, struct tipc_media_addr *dest);
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@@ -229,9 +238,20 @@
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 			  struct tipc_media_addr *dest);
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 void tipc_bearer_xmit(struct net *net, u32 bearer_id,
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 		      struct sk_buff_head *xmitq,
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-		      struct tipc_media_addr *dst);
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+		      struct tipc_media_addr *dst,
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+		      struct tipc_node *__dnode);
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 void tipc_bearer_bc_xmit(struct net *net, u32 bearer_id,
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 			 struct sk_buff_head *xmitq);
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+void tipc_clone_to_loopback(struct net *net, struct sk_buff_head *pkts);
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+int tipc_attach_loopback(struct net *net);
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+void tipc_detach_loopback(struct net *net);
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+
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+static inline void tipc_loopback_trace(struct net *net,
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+				       struct sk_buff_head *pkts)
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+{
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+	if (unlikely(dev_nit_active(net->loopback_dev)))
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+		tipc_clone_to_loopback(net, pkts);
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+}
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 /* check if device MTU is too low for tipc headers */
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 static inline bool tipc_mtu_bad(struct net_device *dev, unsigned int reserve)