From 10ebd8556b7990499c896a550e3d416b444211e6 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 10 May 2024 02:23:07 +0000
Subject: [PATCH] add led
---
kernel/include/linux/inetdevice.h | 42 ++++++++++++++++++++++++++++++++----------
1 files changed, 32 insertions(+), 10 deletions(-)
diff --git a/kernel/include/linux/inetdevice.h b/kernel/include/linux/inetdevice.h
index a64f21a..57a4e4d 100644
--- a/kernel/include/linux/inetdevice.h
+++ b/kernel/include/linux/inetdevice.h
@@ -26,7 +26,7 @@
struct net_device *dev;
refcount_t refcnt;
int dead;
- struct in_ifaddr *ifa_list; /* IP ifaddr chain */
+ struct in_ifaddr __rcu *ifa_list;/* IP ifaddr chain */
struct ip_mc_list __rcu *mc_list; /* IP multicast filter chain */
struct ip_mc_list __rcu * __rcu *mc_hash;
@@ -136,7 +136,7 @@
struct in_ifaddr {
struct hlist_node hash;
- struct in_ifaddr *ifa_next;
+ struct in_ifaddr __rcu *ifa_next;
struct in_device *ifa_dev;
struct rcu_head rcu_head;
__be32 ifa_local;
@@ -178,6 +178,15 @@
int inet_addr_onlink(struct in_device *in_dev, __be32 a, __be32 b);
int devinet_ioctl(struct net *net, unsigned int cmd, struct ifreq *);
+#ifdef CONFIG_INET
+int inet_gifconf(struct net_device *dev, char __user *buf, int len, int size);
+#else
+static inline int inet_gifconf(struct net_device *dev, char __user *buf,
+ int len, int size)
+{
+ return 0;
+}
+#endif
void devinet_init(void);
struct in_device *inetdev_by_index(struct net *, int);
__be32 inet_select_addr(const struct net_device *dev, __be32 dst, int scope);
@@ -186,7 +195,7 @@
struct in_ifaddr *inet_ifa_byprefix(struct in_device *in_dev, __be32 prefix,
__be32 mask);
struct in_ifaddr *inet_lookup_ifaddr_rcu(struct net *net, __be32 addr);
-static __inline__ bool inet_ifa_match(__be32 addr, struct in_ifaddr *ifa)
+static inline bool inet_ifa_match(__be32 addr, const struct in_ifaddr *ifa)
{
return !((addr^ifa->ifa_address)&ifa->ifa_mask);
}
@@ -206,14 +215,13 @@
return false;
}
-#define for_primary_ifa(in_dev) { struct in_ifaddr *ifa; \
- for (ifa = (in_dev)->ifa_list; ifa && !(ifa->ifa_flags&IFA_F_SECONDARY); ifa = ifa->ifa_next)
+#define in_dev_for_each_ifa_rtnl(ifa, in_dev) \
+ for (ifa = rtnl_dereference((in_dev)->ifa_list); ifa; \
+ ifa = rtnl_dereference(ifa->ifa_next))
-#define for_ifa(in_dev) { struct in_ifaddr *ifa; \
- for (ifa = (in_dev)->ifa_list; ifa; ifa = ifa->ifa_next)
-
-
-#define endfor_ifa(in_dev) }
+#define in_dev_for_each_ifa_rcu(ifa, in_dev) \
+ for (ifa = rcu_dereference((in_dev)->ifa_list); ifa; \
+ ifa = rcu_dereference(ifa->ifa_next))
static inline struct in_device *__in_dev_get_rcu(const struct net_device *dev)
{
@@ -237,6 +245,20 @@
return rtnl_dereference(dev->ip_ptr);
}
+/* called with rcu_read_lock or rtnl held */
+static inline bool ip_ignore_linkdown(const struct net_device *dev)
+{
+ struct in_device *in_dev;
+ bool rc = false;
+
+ in_dev = rcu_dereference_rtnl(dev->ip_ptr);
+ if (in_dev &&
+ IN_DEV_IGNORE_ROUTES_WITH_LINKDOWN(in_dev))
+ rc = true;
+
+ return rc;
+}
+
static inline struct neigh_parms *__in_dev_arp_parms_get_rcu(const struct net_device *dev)
{
struct in_device *in_dev = __in_dev_get_rcu(dev);
--
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