From 37050b9309a27f0df798f509adb32000532e72e2 Mon Sep 17 00:00:00 2001 From: Nikolay Aleksandrov <nikolay@cumulusnetworks.com> Date: Wed, 26 Sep 2018 17:01:05 +0300 Subject: [PATCH] net: bridge: convert neigh_suppress_enabled option to a bit Convert the neigh_suppress_enabled option to a bit. Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com> Reviewed-by: Stephen Hemminger <stephen@networkplumber.org> Signed-off-by: David S. Miller <davem@davemloft.net> --- net/bridge/br_arp_nd_proxy.c | 13 ++++++++----- net/bridge/br_device.c | 4 ++-- net/bridge/br_input.c | 2 +- net/bridge/br_private.h | 2 +- 4 files changed, 12 insertions(+), 9 deletions(-) diff --git a/net/bridge/br_arp_nd_proxy.c b/net/bridge/br_arp_nd_proxy.c index d42e3904b4987..6b78e63517193 100644 --- a/net/bridge/br_arp_nd_proxy.c +++ b/net/bridge/br_arp_nd_proxy.c @@ -39,7 +39,7 @@ void br_recalculate_neigh_suppress_enabled(struct net_bridge *br) } } - br->neigh_suppress_enabled = neigh_suppress; + br_opt_toggle(br, BROPT_NEIGH_SUPPRESS_ENABLED, neigh_suppress); } #if IS_ENABLED(CONFIG_INET) @@ -155,7 +155,7 @@ void br_do_proxy_suppress_arp(struct sk_buff *skb, struct net_bridge *br, ipv4_is_multicast(tip)) return; - if (br->neigh_suppress_enabled) { + if (br_opt_get(br, BROPT_NEIGH_SUPPRESS_ENABLED)) { if (p && (p->flags & BR_NEIGH_SUPPRESS)) return; if (ipv4_is_zeronet(sip) || sip == tip) { @@ -175,7 +175,8 @@ void br_do_proxy_suppress_arp(struct sk_buff *skb, struct net_bridge *br, return; } - if (br->neigh_suppress_enabled && br_is_local_ip(vlandev, tip)) { + if (br_opt_get(br, BROPT_NEIGH_SUPPRESS_ENABLED) && + br_is_local_ip(vlandev, tip)) { /* its our local ip, so don't proxy reply * and don't forward to neigh suppress ports */ @@ -213,7 +214,8 @@ void br_do_proxy_suppress_arp(struct sk_buff *skb, struct net_bridge *br, /* If we have replied or as long as we know the * mac, indicate to arp replied */ - if (replied || br->neigh_suppress_enabled) + if (replied || + br_opt_get(br, BROPT_NEIGH_SUPPRESS_ENABLED)) BR_INPUT_SKB_CB(skb)->proxyarp_replied = true; } @@ -460,7 +462,8 @@ void br_do_suppress_nd(struct sk_buff *skb, struct net_bridge *br, * mac, indicate to NEIGH_SUPPRESS ports that we * have replied */ - if (replied || br->neigh_suppress_enabled) + if (replied || + br_opt_get(br, BROPT_NEIGH_SUPPRESS_ENABLED)) BR_INPUT_SKB_CB(skb)->proxyarp_replied = true; } neigh_release(n); diff --git a/net/bridge/br_device.c b/net/bridge/br_device.c index e682a668ce57c..a0afdca73d8f1 100644 --- a/net/bridge/br_device.c +++ b/net/bridge/br_device.c @@ -67,11 +67,11 @@ netdev_tx_t br_dev_xmit(struct sk_buff *skb, struct net_device *dev) if (IS_ENABLED(CONFIG_INET) && (eth->h_proto == htons(ETH_P_ARP) || eth->h_proto == htons(ETH_P_RARP)) && - br->neigh_suppress_enabled) { + br_opt_get(br, BROPT_NEIGH_SUPPRESS_ENABLED)) { br_do_proxy_suppress_arp(skb, br, vid, NULL); } else if (IS_ENABLED(CONFIG_IPV6) && skb->protocol == htons(ETH_P_IPV6) && - br->neigh_suppress_enabled && + br_opt_get(br, BROPT_NEIGH_SUPPRESS_ENABLED) && pskb_may_pull(skb, sizeof(struct ipv6hdr) + sizeof(struct nd_msg)) && ipv6_hdr(skb)->nexthdr == IPPROTO_ICMPV6) { diff --git a/net/bridge/br_input.c b/net/bridge/br_input.c index 72074276c0889..3ddca11f44c22 100644 --- a/net/bridge/br_input.c +++ b/net/bridge/br_input.c @@ -122,7 +122,7 @@ int br_handle_frame_finish(struct net *net, struct sock *sk, struct sk_buff *skb br_do_proxy_suppress_arp(skb, br, vid, p); } else if (IS_ENABLED(CONFIG_IPV6) && skb->protocol == htons(ETH_P_IPV6) && - br->neigh_suppress_enabled && + br_opt_get(br, BROPT_NEIGH_SUPPRESS_ENABLED) && pskb_may_pull(skb, sizeof(struct ipv6hdr) + sizeof(struct nd_msg)) && ipv6_hdr(skb)->nexthdr == IPPROTO_ICMPV6) { diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h index e6bdb107fe048..6bdcc701bc71e 100644 --- a/net/bridge/br_private.h +++ b/net/bridge/br_private.h @@ -318,6 +318,7 @@ enum net_bridge_opts { BROPT_MULTICAST_QUERY_USE_IFADDR, BROPT_MULTICAST_STATS_ENABLED, BROPT_HAS_IPV6_ADDR, + BROPT_NEIGH_SUPPRESS_ENABLED, }; struct net_bridge { @@ -414,7 +415,6 @@ struct net_bridge { #ifdef CONFIG_NET_SWITCHDEV int offload_fwd_mark; #endif - bool neigh_suppress_enabled; bool mtu_set_by_user; struct hlist_head fdb_list; }; -- 2.39.5