From: Horatiu Vultur <horatiu.vultur@microchip.com> To: <nikolay@nvidia.com>, <roopa@nvidia.com>, <davem@davemloft.net>, <kuba@kernel.org>, <bridge@lists.linux-foundation.org>, <netdev@vger.kernel.org>, <linux-kernel@vger.kernel.org> Cc: Horatiu Vultur <horatiu.vultur@microchip.com> Subject: [PATCH net-next] bridge: mrp: Use hlist_head instead of list_head for mrp Date: Fri, 6 Nov 2020 22:50:49 +0100 [thread overview] Message-ID: <20201106215049.1448185-1-horatiu.vultur@microchip.com> (raw) Replace list_head with hlist_head for MRP list under the bridge. There is no need for a circular list when a linear list will work. This will also decrease the size of 'struct net_bridge'. Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com> --- net/bridge/br_device.c | 2 +- net/bridge/br_mrp.c | 26 +++++++++++++------------- net/bridge/br_mrp_netlink.c | 2 +- net/bridge/br_private.h | 2 +- net/bridge/br_private_mrp.h | 2 +- 5 files changed, 17 insertions(+), 17 deletions(-) diff --git a/net/bridge/br_device.c b/net/bridge/br_device.c index 2400a66fe76e8..387403931a63f 100644 --- a/net/bridge/br_device.c +++ b/net/bridge/br_device.c @@ -456,7 +456,7 @@ void br_dev_setup(struct net_device *dev) INIT_HLIST_HEAD(&br->fdb_list); INIT_HLIST_HEAD(&br->frame_type_list); #if IS_ENABLED(CONFIG_BRIDGE_MRP) - INIT_LIST_HEAD(&br->mrp_list); + INIT_HLIST_HEAD(&br->mrp_list); #endif #if IS_ENABLED(CONFIG_BRIDGE_CFM) INIT_HLIST_HEAD(&br->mep_list); diff --git a/net/bridge/br_mrp.c b/net/bridge/br_mrp.c index f94d72bb7c32a..bb12fbf9aaf2b 100644 --- a/net/bridge/br_mrp.c +++ b/net/bridge/br_mrp.c @@ -54,8 +54,8 @@ static struct br_mrp *br_mrp_find_id(struct net_bridge *br, u32 ring_id) struct br_mrp *res = NULL; struct br_mrp *mrp; - list_for_each_entry_rcu(mrp, &br->mrp_list, list, - lockdep_rtnl_is_held()) { + hlist_for_each_entry_rcu(mrp, &br->mrp_list, list, + lockdep_rtnl_is_held()) { if (mrp->ring_id == ring_id) { res = mrp; break; @@ -70,8 +70,8 @@ static struct br_mrp *br_mrp_find_in_id(struct net_bridge *br, u32 in_id) struct br_mrp *res = NULL; struct br_mrp *mrp; - list_for_each_entry_rcu(mrp, &br->mrp_list, list, - lockdep_rtnl_is_held()) { + hlist_for_each_entry_rcu(mrp, &br->mrp_list, list, + lockdep_rtnl_is_held()) { if (mrp->in_id == in_id) { res = mrp; break; @@ -85,8 +85,8 @@ static bool br_mrp_unique_ifindex(struct net_bridge *br, u32 ifindex) { struct br_mrp *mrp; - list_for_each_entry_rcu(mrp, &br->mrp_list, list, - lockdep_rtnl_is_held()) { + hlist_for_each_entry_rcu(mrp, &br->mrp_list, list, + lockdep_rtnl_is_held()) { struct net_bridge_port *p; p = rtnl_dereference(mrp->p_port); @@ -111,8 +111,8 @@ static struct br_mrp *br_mrp_find_port(struct net_bridge *br, struct br_mrp *res = NULL; struct br_mrp *mrp; - list_for_each_entry_rcu(mrp, &br->mrp_list, list, - lockdep_rtnl_is_held()) { + hlist_for_each_entry_rcu(mrp, &br->mrp_list, list, + lockdep_rtnl_is_held()) { if (rcu_access_pointer(mrp->p_port) == p || rcu_access_pointer(mrp->s_port) == p || rcu_access_pointer(mrp->i_port) == p) { @@ -450,10 +450,10 @@ static void br_mrp_del_impl(struct net_bridge *br, struct br_mrp *mrp) rcu_assign_pointer(mrp->i_port, NULL); } - list_del_rcu(&mrp->list); + hlist_del_rcu(&mrp->list); kfree_rcu(mrp, rcu); - if (list_empty(&br->mrp_list)) + if (hlist_empty(&br->mrp_list)) br_del_frame(br, &mrp_frame_type); } @@ -503,12 +503,12 @@ int br_mrp_add(struct net_bridge *br, struct br_mrp_instance *instance) spin_unlock_bh(&br->lock); rcu_assign_pointer(mrp->s_port, p); - if (list_empty(&br->mrp_list)) + if (hlist_empty(&br->mrp_list)) br_add_frame(br, &mrp_frame_type); INIT_DELAYED_WORK(&mrp->test_work, br_mrp_test_work_expired); INIT_DELAYED_WORK(&mrp->in_test_work, br_mrp_in_test_work_expired); - list_add_tail_rcu(&mrp->list, &br->mrp_list); + hlist_add_tail_rcu(&mrp->list, &br->mrp_list); err = br_mrp_switchdev_add(br, mrp); if (err) @@ -1198,5 +1198,5 @@ static int br_mrp_process(struct net_bridge_port *p, struct sk_buff *skb) bool br_mrp_enabled(struct net_bridge *br) { - return !list_empty(&br->mrp_list); + return !hlist_empty(&br->mrp_list); } diff --git a/net/bridge/br_mrp_netlink.c b/net/bridge/br_mrp_netlink.c index 2a2fdf3500c5b..ce6f63c77cc0a 100644 --- a/net/bridge/br_mrp_netlink.c +++ b/net/bridge/br_mrp_netlink.c @@ -453,7 +453,7 @@ int br_mrp_fill_info(struct sk_buff *skb, struct net_bridge *br) if (!mrp_tb) return -EMSGSIZE; - list_for_each_entry_rcu(mrp, &br->mrp_list, list) { + hlist_for_each_entry_rcu(mrp, &br->mrp_list, list) { struct net_bridge_port *p; tb = nla_nest_start_noflag(skb, IFLA_BRIDGE_MRP_INFO); diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h index 891f3b05ffa41..6f2818cb2ac02 100644 --- a/net/bridge/br_private.h +++ b/net/bridge/br_private.h @@ -482,7 +482,7 @@ struct net_bridge { struct hlist_head fdb_list; #if IS_ENABLED(CONFIG_BRIDGE_MRP) - struct list_head mrp_list; + struct hlist_head mrp_list; #endif #if IS_ENABLED(CONFIG_BRIDGE_CFM) struct hlist_head mep_list; diff --git a/net/bridge/br_private_mrp.h b/net/bridge/br_private_mrp.h index af0e9eff65493..1883118aae55b 100644 --- a/net/bridge/br_private_mrp.h +++ b/net/bridge/br_private_mrp.h @@ -8,7 +8,7 @@ struct br_mrp { /* list of mrp instances */ - struct list_head list; + struct hlist_node list; struct net_bridge_port __rcu *p_port; struct net_bridge_port __rcu *s_port; -- 2.27.0
WARNING: multiple messages have this Message-ID (diff)
From: Horatiu Vultur <horatiu.vultur@microchip.com> To: nikolay@nvidia.com, roopa@nvidia.com, davem@davemloft.net, kuba@kernel.org, bridge@lists.linux-foundation.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Horatiu Vultur <horatiu.vultur@microchip.com> Subject: [Bridge] [PATCH net-next] bridge: mrp: Use hlist_head instead of list_head for mrp Date: Fri, 6 Nov 2020 22:50:49 +0100 [thread overview] Message-ID: <20201106215049.1448185-1-horatiu.vultur@microchip.com> (raw) Replace list_head with hlist_head for MRP list under the bridge. There is no need for a circular list when a linear list will work. This will also decrease the size of 'struct net_bridge'. Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com> --- net/bridge/br_device.c | 2 +- net/bridge/br_mrp.c | 26 +++++++++++++------------- net/bridge/br_mrp_netlink.c | 2 +- net/bridge/br_private.h | 2 +- net/bridge/br_private_mrp.h | 2 +- 5 files changed, 17 insertions(+), 17 deletions(-) diff --git a/net/bridge/br_device.c b/net/bridge/br_device.c index 2400a66fe76e8..387403931a63f 100644 --- a/net/bridge/br_device.c +++ b/net/bridge/br_device.c @@ -456,7 +456,7 @@ void br_dev_setup(struct net_device *dev) INIT_HLIST_HEAD(&br->fdb_list); INIT_HLIST_HEAD(&br->frame_type_list); #if IS_ENABLED(CONFIG_BRIDGE_MRP) - INIT_LIST_HEAD(&br->mrp_list); + INIT_HLIST_HEAD(&br->mrp_list); #endif #if IS_ENABLED(CONFIG_BRIDGE_CFM) INIT_HLIST_HEAD(&br->mep_list); diff --git a/net/bridge/br_mrp.c b/net/bridge/br_mrp.c index f94d72bb7c32a..bb12fbf9aaf2b 100644 --- a/net/bridge/br_mrp.c +++ b/net/bridge/br_mrp.c @@ -54,8 +54,8 @@ static struct br_mrp *br_mrp_find_id(struct net_bridge *br, u32 ring_id) struct br_mrp *res = NULL; struct br_mrp *mrp; - list_for_each_entry_rcu(mrp, &br->mrp_list, list, - lockdep_rtnl_is_held()) { + hlist_for_each_entry_rcu(mrp, &br->mrp_list, list, + lockdep_rtnl_is_held()) { if (mrp->ring_id == ring_id) { res = mrp; break; @@ -70,8 +70,8 @@ static struct br_mrp *br_mrp_find_in_id(struct net_bridge *br, u32 in_id) struct br_mrp *res = NULL; struct br_mrp *mrp; - list_for_each_entry_rcu(mrp, &br->mrp_list, list, - lockdep_rtnl_is_held()) { + hlist_for_each_entry_rcu(mrp, &br->mrp_list, list, + lockdep_rtnl_is_held()) { if (mrp->in_id == in_id) { res = mrp; break; @@ -85,8 +85,8 @@ static bool br_mrp_unique_ifindex(struct net_bridge *br, u32 ifindex) { struct br_mrp *mrp; - list_for_each_entry_rcu(mrp, &br->mrp_list, list, - lockdep_rtnl_is_held()) { + hlist_for_each_entry_rcu(mrp, &br->mrp_list, list, + lockdep_rtnl_is_held()) { struct net_bridge_port *p; p = rtnl_dereference(mrp->p_port); @@ -111,8 +111,8 @@ static struct br_mrp *br_mrp_find_port(struct net_bridge *br, struct br_mrp *res = NULL; struct br_mrp *mrp; - list_for_each_entry_rcu(mrp, &br->mrp_list, list, - lockdep_rtnl_is_held()) { + hlist_for_each_entry_rcu(mrp, &br->mrp_list, list, + lockdep_rtnl_is_held()) { if (rcu_access_pointer(mrp->p_port) == p || rcu_access_pointer(mrp->s_port) == p || rcu_access_pointer(mrp->i_port) == p) { @@ -450,10 +450,10 @@ static void br_mrp_del_impl(struct net_bridge *br, struct br_mrp *mrp) rcu_assign_pointer(mrp->i_port, NULL); } - list_del_rcu(&mrp->list); + hlist_del_rcu(&mrp->list); kfree_rcu(mrp, rcu); - if (list_empty(&br->mrp_list)) + if (hlist_empty(&br->mrp_list)) br_del_frame(br, &mrp_frame_type); } @@ -503,12 +503,12 @@ int br_mrp_add(struct net_bridge *br, struct br_mrp_instance *instance) spin_unlock_bh(&br->lock); rcu_assign_pointer(mrp->s_port, p); - if (list_empty(&br->mrp_list)) + if (hlist_empty(&br->mrp_list)) br_add_frame(br, &mrp_frame_type); INIT_DELAYED_WORK(&mrp->test_work, br_mrp_test_work_expired); INIT_DELAYED_WORK(&mrp->in_test_work, br_mrp_in_test_work_expired); - list_add_tail_rcu(&mrp->list, &br->mrp_list); + hlist_add_tail_rcu(&mrp->list, &br->mrp_list); err = br_mrp_switchdev_add(br, mrp); if (err) @@ -1198,5 +1198,5 @@ static int br_mrp_process(struct net_bridge_port *p, struct sk_buff *skb) bool br_mrp_enabled(struct net_bridge *br) { - return !list_empty(&br->mrp_list); + return !hlist_empty(&br->mrp_list); } diff --git a/net/bridge/br_mrp_netlink.c b/net/bridge/br_mrp_netlink.c index 2a2fdf3500c5b..ce6f63c77cc0a 100644 --- a/net/bridge/br_mrp_netlink.c +++ b/net/bridge/br_mrp_netlink.c @@ -453,7 +453,7 @@ int br_mrp_fill_info(struct sk_buff *skb, struct net_bridge *br) if (!mrp_tb) return -EMSGSIZE; - list_for_each_entry_rcu(mrp, &br->mrp_list, list) { + hlist_for_each_entry_rcu(mrp, &br->mrp_list, list) { struct net_bridge_port *p; tb = nla_nest_start_noflag(skb, IFLA_BRIDGE_MRP_INFO); diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h index 891f3b05ffa41..6f2818cb2ac02 100644 --- a/net/bridge/br_private.h +++ b/net/bridge/br_private.h @@ -482,7 +482,7 @@ struct net_bridge { struct hlist_head fdb_list; #if IS_ENABLED(CONFIG_BRIDGE_MRP) - struct list_head mrp_list; + struct hlist_head mrp_list; #endif #if IS_ENABLED(CONFIG_BRIDGE_CFM) struct hlist_head mep_list; diff --git a/net/bridge/br_private_mrp.h b/net/bridge/br_private_mrp.h index af0e9eff65493..1883118aae55b 100644 --- a/net/bridge/br_private_mrp.h +++ b/net/bridge/br_private_mrp.h @@ -8,7 +8,7 @@ struct br_mrp { /* list of mrp instances */ - struct list_head list; + struct hlist_node list; struct net_bridge_port __rcu *p_port; struct net_bridge_port __rcu *s_port; -- 2.27.0
next reply other threads:[~2020-11-06 21:51 UTC|newest] Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-11-06 21:50 Horatiu Vultur [this message] 2020-11-06 21:50 ` [Bridge] [PATCH net-next] bridge: mrp: Use hlist_head instead of list_head for mrp Horatiu Vultur 2020-11-10 1:11 ` Jakub Kicinski 2020-11-10 1:11 ` [Bridge] " Jakub Kicinski
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