net/ipv6: Rename fib6_info struct elements

Change the prefix for fib6_info struct elements from rt6i_ to fib6_.
rt6i_pcpu and rt6i_exception_bucket are left as is given that they
point to rt6_info entries.

Rename only; not functional change intended.

Signed-off-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c

@@ -4705,17 +4705,17 @@ static bool mlxsw_sp_fib6_rt_should_ignore(const struct fib6_info *rt)
 	 * are trapped to the CPU, so no need to program specific routes
 	 * for them.
 	 */
-	if (ipv6_addr_type(&rt->rt6i_dst.addr) & IPV6_ADDR_LINKLOCAL)
+	if (ipv6_addr_type(&rt->fib6_dst.addr) & IPV6_ADDR_LINKLOCAL)
 		return true;
 
 	/* Multicast routes aren't supported, so ignore them. Neighbour
 	 * Discovery packets are specifically trapped.
 	 */
-	if (ipv6_addr_type(&rt->rt6i_dst.addr) & IPV6_ADDR_MULTICAST)
+	if (ipv6_addr_type(&rt->fib6_dst.addr) & IPV6_ADDR_MULTICAST)
 		return true;
 
 	/* Cloned routes are irrelevant in the forwarding path. */
-	if (rt->rt6i_flags & RTF_CACHE)
+	if (rt->fib6_flags & RTF_CACHE)
 		return true;
 
 	return false;
@@ -4759,7 +4759,7 @@ static void mlxsw_sp_rt6_destroy(struct mlxsw_sp_rt6 *mlxsw_sp_rt6)
 static bool mlxsw_sp_fib6_rt_can_mp(const struct fib6_info *rt)
 {
 	/* RTF_CACHE routes are ignored */
-	return (rt->rt6i_flags & (RTF_GATEWAY | RTF_ADDRCONF)) == RTF_GATEWAY;
+	return (rt->fib6_flags & (RTF_GATEWAY | RTF_ADDRCONF)) == RTF_GATEWAY;
 }
 
 static struct fib6_info *
@@ -4784,16 +4784,16 @@ mlxsw_sp_fib6_node_mp_entry_find(const struct mlxsw_sp_fib_node *fib_node,
 		/* RT6_TABLE_LOCAL and RT6_TABLE_MAIN share the same
 		 * virtual router.
 		 */
-		if (rt->rt6i_table->tb6_id > nrt->rt6i_table->tb6_id)
+		if (rt->fib6_table->tb6_id > nrt->fib6_table->tb6_id)
 			continue;
-		if (rt->rt6i_table->tb6_id != nrt->rt6i_table->tb6_id)
+		if (rt->fib6_table->tb6_id != nrt->fib6_table->tb6_id)
 			break;
-		if (rt->rt6i_metric < nrt->rt6i_metric)
+		if (rt->fib6_metric < nrt->fib6_metric)
 			continue;
-		if (rt->rt6i_metric == nrt->rt6i_metric &&
+		if (rt->fib6_metric == nrt->fib6_metric &&
 		    mlxsw_sp_fib6_rt_can_mp(rt))
 			return fib6_entry;
-		if (rt->rt6i_metric > nrt->rt6i_metric)
+		if (rt->fib6_metric > nrt->fib6_metric)
 			break;
 	}
 
@@ -4899,7 +4899,7 @@ static void mlxsw_sp_nexthop6_fini(struct mlxsw_sp *mlxsw_sp,
 static bool mlxsw_sp_rt6_is_gateway(const struct mlxsw_sp *mlxsw_sp,
 				    const struct fib6_info *rt)
 {
-	return rt->rt6i_flags & RTF_GATEWAY ||
+	return rt->fib6_flags & RTF_GATEWAY ||
 	       mlxsw_sp_nexthop6_ipip_type(mlxsw_sp, rt, NULL);
 }
 
@@ -5092,9 +5092,9 @@ static void mlxsw_sp_fib6_entry_type_set(struct mlxsw_sp *mlxsw_sp,
 	 * local, which will cause them to be trapped with a lower
 	 * priority than packets that need to be locally received.
 	 */
-	if (rt->rt6i_flags & (RTF_LOCAL | RTF_ANYCAST))
+	if (rt->fib6_flags & (RTF_LOCAL | RTF_ANYCAST))
 		fib_entry->type = MLXSW_SP_FIB_ENTRY_TYPE_TRAP;
-	else if (rt->rt6i_flags & RTF_REJECT)
+	else if (rt->fib6_flags & RTF_REJECT)
 		fib_entry->type = MLXSW_SP_FIB_ENTRY_TYPE_LOCAL;
 	else if (mlxsw_sp_rt6_is_gateway(mlxsw_sp, rt))
 		fib_entry->type = MLXSW_SP_FIB_ENTRY_TYPE_REMOTE;
@@ -5175,18 +5175,18 @@ mlxsw_sp_fib6_node_entry_find(const struct mlxsw_sp_fib_node *fib_node,
 	list_for_each_entry(fib6_entry, &fib_node->entry_list, common.list) {
 		struct fib6_info *rt = mlxsw_sp_fib6_entry_rt(fib6_entry);
 
-		if (rt->rt6i_table->tb6_id > nrt->rt6i_table->tb6_id)
+		if (rt->fib6_table->tb6_id > nrt->fib6_table->tb6_id)
 			continue;
-		if (rt->rt6i_table->tb6_id != nrt->rt6i_table->tb6_id)
+		if (rt->fib6_table->tb6_id != nrt->fib6_table->tb6_id)
 			break;
-		if (replace && rt->rt6i_metric == nrt->rt6i_metric) {
+		if (replace && rt->fib6_metric == nrt->fib6_metric) {
 			if (mlxsw_sp_fib6_rt_can_mp(rt) ==
 			    mlxsw_sp_fib6_rt_can_mp(nrt))
 				return fib6_entry;
 			if (mlxsw_sp_fib6_rt_can_mp(nrt))
 				fallback = fallback ?: fib6_entry;
 		}
-		if (rt->rt6i_metric > nrt->rt6i_metric)
+		if (rt->fib6_metric > nrt->fib6_metric)
 			return fallback ?: fib6_entry;
 	}
 
@@ -5215,7 +5215,7 @@ mlxsw_sp_fib6_node_list_insert(struct mlxsw_sp_fib6_entry *new6_entry,
 		list_for_each_entry(last, &fib_node->entry_list, common.list) {
 			struct fib6_info *rt = mlxsw_sp_fib6_entry_rt(last);
 
-			if (nrt->rt6i_table->tb6_id > rt->rt6i_table->tb6_id)
+			if (nrt->fib6_table->tb6_id > rt->fib6_table->tb6_id)
 				break;
 			fib6_entry = last;
 		}
@@ -5275,22 +5275,22 @@ mlxsw_sp_fib6_entry_lookup(struct mlxsw_sp *mlxsw_sp,
 	struct mlxsw_sp_fib *fib;
 	struct mlxsw_sp_vr *vr;
 
-	vr = mlxsw_sp_vr_find(mlxsw_sp, rt->rt6i_table->tb6_id);
+	vr = mlxsw_sp_vr_find(mlxsw_sp, rt->fib6_table->tb6_id);
 	if (!vr)
 		return NULL;
 	fib = mlxsw_sp_vr_fib(vr, MLXSW_SP_L3_PROTO_IPV6);
 
-	fib_node = mlxsw_sp_fib_node_lookup(fib, &rt->rt6i_dst.addr,
-					    sizeof(rt->rt6i_dst.addr),
-					    rt->rt6i_dst.plen);
+	fib_node = mlxsw_sp_fib_node_lookup(fib, &rt->fib6_dst.addr,
+					    sizeof(rt->fib6_dst.addr),
+					    rt->fib6_dst.plen);
 	if (!fib_node)
 		return NULL;
 
 	list_for_each_entry(fib6_entry, &fib_node->entry_list, common.list) {
 		struct fib6_info *iter_rt = mlxsw_sp_fib6_entry_rt(fib6_entry);
 
-		if (rt->rt6i_table->tb6_id == iter_rt->rt6i_table->tb6_id &&
-		    rt->rt6i_metric == iter_rt->rt6i_metric &&
+		if (rt->fib6_table->tb6_id == iter_rt->fib6_table->tb6_id &&
+		    rt->fib6_metric == iter_rt->fib6_metric &&
 		    mlxsw_sp_fib6_entry_rt_find(fib6_entry, rt))
 			return fib6_entry;
 	}
@@ -5325,16 +5325,16 @@ static int mlxsw_sp_router_fib6_add(struct mlxsw_sp *mlxsw_sp,
 	if (mlxsw_sp->router->aborted)
 		return 0;
 
-	if (rt->rt6i_src.plen)
+	if (rt->fib6_src.plen)
 		return -EINVAL;
 
 	if (mlxsw_sp_fib6_rt_should_ignore(rt))
 		return 0;
 
-	fib_node = mlxsw_sp_fib_node_get(mlxsw_sp, rt->rt6i_table->tb6_id,
-					 &rt->rt6i_dst.addr,
-					 sizeof(rt->rt6i_dst.addr),
-					 rt->rt6i_dst.plen,
+	fib_node = mlxsw_sp_fib_node_get(mlxsw_sp, rt->fib6_table->tb6_id,
+					 &rt->fib6_dst.addr,
+					 sizeof(rt->fib6_dst.addr),
+					 rt->fib6_dst.plen,
 					 MLXSW_SP_L3_PROTO_IPV6);
 	if (IS_ERR(fib_node))
 		return PTR_ERR(fib_node);

include/net/ip6_fib.h

@@ -134,34 +134,34 @@ struct fib6_nh {
 };
 
 struct fib6_info {
-	struct fib6_table		*rt6i_table;
+	struct fib6_table		*fib6_table;
 	struct fib6_info __rcu		*rt6_next;
-	struct fib6_node __rcu		*rt6i_node;
+	struct fib6_node __rcu		*fib6_node;
 
 	/* Multipath routes:
 	 * siblings is a list of fib6_info that have the the same metric/weight,
 	 * destination, but not the same gateway. nsiblings is just a cache
 	 * to speed up lookup.
 	 */
-	struct list_head		rt6i_siblings;
-	unsigned int			rt6i_nsiblings;
+	struct list_head		fib6_siblings;
+	unsigned int			fib6_nsiblings;
 
-	atomic_t			rt6i_ref;
-	struct inet6_dev		*rt6i_idev;
+	atomic_t			fib6_ref;
+	struct inet6_dev		*fib6_idev;
 	unsigned long			expires;
 	struct dst_metrics		*fib6_metrics;
 #define fib6_pmtu		fib6_metrics->metrics[RTAX_MTU-1]
 
-	struct rt6key			rt6i_dst;
-	u32				rt6i_flags;
-	struct rt6key			rt6i_src;
-	struct rt6key			rt6i_prefsrc;
+	struct rt6key			fib6_dst;
+	u32				fib6_flags;
+	struct rt6key			fib6_src;
+	struct rt6key			fib6_prefsrc;
 
 	struct rt6_info * __percpu	*rt6i_pcpu;
 	struct rt6_exception_bucket __rcu *rt6i_exception_bucket;
 
-	u32				rt6i_metric;
-	u8				rt6i_protocol;
+	u32				fib6_metric;
+	u8				fib6_protocol;
 	u8				fib6_type;
 	u8				exception_bucket_flushed:1,
 					should_flush:1,
@@ -206,20 +206,20 @@ static inline struct inet6_dev *ip6_dst_idev(struct dst_entry *dst)
 
 static inline void fib6_clean_expires(struct fib6_info *f6i)
 {
-	f6i->rt6i_flags &= ~RTF_EXPIRES;
+	f6i->fib6_flags &= ~RTF_EXPIRES;
 	f6i->expires = 0;
 }
 
 static inline void fib6_set_expires(struct fib6_info *f6i,
 				    unsigned long expires)
 {
 	f6i->expires = expires;
-	f6i->rt6i_flags |= RTF_EXPIRES;
+	f6i->fib6_flags |= RTF_EXPIRES;
 }
 
 static inline bool fib6_check_expired(const struct fib6_info *f6i)
 {
-	if (f6i->rt6i_flags & RTF_EXPIRES)
+	if (f6i->fib6_flags & RTF_EXPIRES)
 		return time_after(jiffies, f6i->expires);
 	return false;
 }
@@ -250,14 +250,14 @@ static inline void rt6_update_expires(struct rt6_info *rt0, int timeout)
  * Return true if we can get cookie safely
  * Return false if not
  */
-static inline bool rt6_get_cookie_safe(const struct fib6_info *rt,
+static inline bool rt6_get_cookie_safe(const struct fib6_info *f6i,
 				       u32 *cookie)
 {
 	struct fib6_node *fn;
 	bool status = false;
 
 	rcu_read_lock();
-	fn = rcu_dereference(rt->rt6i_node);
+	fn = rcu_dereference(f6i->fib6_node);
 
 	if (fn) {
 		*cookie = fn->fn_sernum;
@@ -295,12 +295,12 @@ void fib6_info_destroy(struct fib6_info *f6i);
 
 static inline void fib6_info_hold(struct fib6_info *f6i)
 {
-	atomic_inc(&f6i->rt6i_ref);
+	atomic_inc(&f6i->fib6_ref);
 }
 
 static inline void fib6_info_release(struct fib6_info *f6i)
 {
-	if (f6i && atomic_dec_and_test(&f6i->rt6i_ref))
+	if (f6i && atomic_dec_and_test(&f6i->fib6_ref))
 		fib6_info_destroy(f6i);
 }
 

include/net/ip6_route.h

@@ -66,9 +66,9 @@ static inline bool rt6_need_strict(const struct in6_addr *daddr)
 		(IPV6_ADDR_MULTICAST | IPV6_ADDR_LINKLOCAL | IPV6_ADDR_LOOPBACK);
 }
 
-static inline bool rt6_qualify_for_ecmp(const struct fib6_info *rt)
+static inline bool rt6_qualify_for_ecmp(const struct fib6_info *f6i)
 {
-	return (rt->rt6i_flags & (RTF_GATEWAY|RTF_ADDRCONF|RTF_DYNAMIC)) ==
+	return (f6i->fib6_flags & (RTF_GATEWAY|RTF_ADDRCONF|RTF_DYNAMIC)) ==
 	       RTF_GATEWAY;
 }
 
@@ -102,23 +102,23 @@ int ipv6_route_ioctl(struct net *net, unsigned int cmd, void __user *arg);
 
 int ip6_route_add(struct fib6_config *cfg, gfp_t gfp_flags,
 		  struct netlink_ext_ack *extack);
-int ip6_ins_rt(struct net *net, struct fib6_info *rt);
-int ip6_del_rt(struct net *net, struct fib6_info *rt);
+int ip6_ins_rt(struct net *net, struct fib6_info *f6i);
+int ip6_del_rt(struct net *net, struct fib6_info *f6i);
 
-void rt6_flush_exceptions(struct fib6_info *rt);
-void rt6_age_exceptions(struct fib6_info *rt, struct fib6_gc_args *gc_args,
+void rt6_flush_exceptions(struct fib6_info *f6i);
+void rt6_age_exceptions(struct fib6_info *f6i, struct fib6_gc_args *gc_args,
 			unsigned long now);
 
-static inline int ip6_route_get_saddr(struct net *net, struct fib6_info *rt,
+static inline int ip6_route_get_saddr(struct net *net, struct fib6_info *f6i,
 				      const struct in6_addr *daddr,
 				      unsigned int prefs,
 				      struct in6_addr *saddr)
 {
-	struct inet6_dev *idev = rt ? rt->rt6i_idev : NULL;
+	struct inet6_dev *idev = f6i ? f6i->fib6_idev : NULL;
 	int err = 0;
 
-	if (rt && rt->rt6i_prefsrc.plen)
-		*saddr = rt->rt6i_prefsrc.addr;
+	if (f6i && f6i->fib6_prefsrc.plen)
+		*saddr = f6i->fib6_prefsrc.addr;
 	else
 		err = ipv6_dev_get_saddr(net, idev ? idev->dev : NULL,
 					 daddr, prefs, saddr);
@@ -176,14 +176,14 @@ struct rt6_rtnl_dump_arg {
 	struct net *net;
 };
 
-int rt6_dump_route(struct fib6_info *rt, void *p_arg);
+int rt6_dump_route(struct fib6_info *f6i, void *p_arg);
 void rt6_mtu_change(struct net_device *dev, unsigned int mtu);
 void rt6_remove_prefsrc(struct inet6_ifaddr *ifp);
 void rt6_clean_tohost(struct net *net, struct in6_addr *gateway);
 void rt6_sync_up(struct net_device *dev, unsigned int nh_flags);
 void rt6_disable_ip(struct net_device *dev, unsigned long event);
 void rt6_sync_down_dev(struct net_device *dev, unsigned long event);
-void rt6_multipath_rebalance(struct fib6_info *rt);
+void rt6_multipath_rebalance(struct fib6_info *f6i);
 
 void rt6_uncached_list_add(struct rt6_info *rt);
 void rt6_uncached_list_del(struct rt6_info *rt);
@@ -274,7 +274,7 @@ static inline struct in6_addr *rt6_nexthop(struct rt6_info *rt,
 static inline bool rt6_duplicate_nexthop(struct fib6_info *a, struct fib6_info *b)
 {
 	return a->fib6_nh.nh_dev == b->fib6_nh.nh_dev &&
-	       a->rt6i_idev == b->rt6i_idev &&
+	       a->fib6_idev == b->fib6_idev &&
 	       ipv6_addr_equal(&a->fib6_nh.nh_gw, &b->fib6_nh.nh_gw) &&
 	       !lwtunnel_cmp_encap(a->fib6_nh.nh_lwtstate, b->fib6_nh.nh_lwtstate);
 }

net/ipv6/addrconf.c

@@ -1178,19 +1178,19 @@ check_cleanup_prefix_route(struct inet6_ifaddr *ifp, unsigned long *expires)
 static void
 cleanup_prefix_route(struct inet6_ifaddr *ifp, unsigned long expires, bool del_rt)
 {
-	struct fib6_info *rt;
+	struct fib6_info *f6i;
 
-	rt = addrconf_get_prefix_route(&ifp->addr,
+	f6i = addrconf_get_prefix_route(&ifp->addr,
 				       ifp->prefix_len,
 				       ifp->idev->dev,
 				       0, RTF_GATEWAY | RTF_DEFAULT);
-	if (rt) {
+	if (f6i) {
 		if (del_rt)
-			ip6_del_rt(dev_net(ifp->idev->dev), rt);
+			ip6_del_rt(dev_net(ifp->idev->dev), f6i);
 		else {
-			if (!(rt->rt6i_flags & RTF_EXPIRES))
-				fib6_set_expires(rt, expires);
-			fib6_info_release(rt);
+			if (!(f6i->fib6_flags & RTF_EXPIRES))
+				fib6_set_expires(f6i, expires);
+			fib6_info_release(f6i);
 		}
 	}
 }
@@ -2370,9 +2370,9 @@ static struct fib6_info *addrconf_get_prefix_route(const struct in6_addr *pfx,
 	for_each_fib6_node_rt_rcu(fn) {
 		if (rt->fib6_nh.nh_dev->ifindex != dev->ifindex)
 			continue;
-		if ((rt->rt6i_flags & flags) != flags)
+		if ((rt->fib6_flags & flags) != flags)
 			continue;
-		if ((rt->rt6i_flags & noflags) != 0)
+		if ((rt->fib6_flags & noflags) != 0)
 			continue;
 		fib6_info_hold(rt);
 		break;
@@ -3341,11 +3341,11 @@ static int fixup_permanent_addr(struct net *net,
 				struct inet6_dev *idev,
 				struct inet6_ifaddr *ifp)
 {
-	/* !rt6i_node means the host route was removed from the
+	/* !fib6_node means the host route was removed from the
 	 * FIB, for example, if 'lo' device is taken down. In that
 	 * case regenerate the host route.
 	 */
-	if (!ifp->rt || !ifp->rt->rt6i_node) {
+	if (!ifp->rt || !ifp->rt->fib6_node) {
 		struct fib6_info *rt, *prev;
 
 		rt = addrconf_dst_alloc(net, idev, &ifp->addr, false,
@@ -5612,7 +5612,7 @@ static void __ipv6_ifa_notify(int event, struct inet6_ifaddr *ifp)
 		 * our DAD process, so we don't need
 		 * to do it again
 		 */
-		if (!rcu_access_pointer(ifp->rt->rt6i_node))
+		if (!rcu_access_pointer(ifp->rt->fib6_node))
 			ip6_ins_rt(net, ifp->rt);
 		if (ifp->idev->cnf.forwarding)
 			addrconf_join_anycast(ifp);