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authorNikolay Aleksandrov <nikolay@cumulusnetworks.com>2018-09-26 17:01:06 +0300
committerDavid S. Miller <davem@davemloft.net>2018-09-26 10:04:23 -0700
commit3341d9170228d521fb38afae14b449308f3e4018 (patch)
tree721758570cd7508acc26e3525c772393228d349b
parentnet: bridge: convert neigh_suppress_enabled option to a bit (diff)
downloadlinux-dev-3341d9170228d521fb38afae14b449308f3e4018.tar.xz
linux-dev-3341d9170228d521fb38afae14b449308f3e4018.zip
net: bridge: convert mtu_set_by_user to a bit
Convert the last remaining bool option to a bit thus reducing the overall net_bridge size further by 8 bytes. Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com> Reviewed-by: Stephen Hemminger <stephen@networkplumber.org> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--net/bridge/br_device.c2
-rw-r--r--net/bridge/br_if.c4
-rw-r--r--net/bridge/br_private.h2
3 files changed, 4 insertions, 4 deletions
diff --git a/net/bridge/br_device.c b/net/bridge/br_device.c
index a0afdca73d8f..e053a4e43758 100644
--- a/net/bridge/br_device.c
+++ b/net/bridge/br_device.c
@@ -228,7 +228,7 @@ static int br_change_mtu(struct net_device *dev, int new_mtu)
dev->mtu = new_mtu;
/* this flag will be cleared if the MTU was automatically adjusted */
- br->mtu_set_by_user = true;
+ br_opt_toggle(br, BROPT_MTU_SET_BY_USER, true);
#if IS_ENABLED(CONFIG_BRIDGE_NETFILTER)
/* remember the MTU in the rtable for PMTU */
dst_metric_set(&br->fake_rtable.dst, RTAX_MTU, new_mtu);
diff --git a/net/bridge/br_if.c b/net/bridge/br_if.c
index 3bb66508f07d..9b46d2dc4c22 100644
--- a/net/bridge/br_if.c
+++ b/net/bridge/br_if.c
@@ -508,14 +508,14 @@ void br_mtu_auto_adjust(struct net_bridge *br)
ASSERT_RTNL();
/* if the bridge MTU was manually configured don't mess with it */
- if (br->mtu_set_by_user)
+ if (br_opt_get(br, BROPT_MTU_SET_BY_USER))
return;
/* change to the minimum MTU and clear the flag which was set by
* the bridge ndo_change_mtu callback
*/
dev_set_mtu(br->dev, br_mtu_min(br));
- br->mtu_set_by_user = false;
+ br_opt_toggle(br, BROPT_MTU_SET_BY_USER, false);
}
static void br_set_gso_limits(struct net_bridge *br)
diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h
index 6bdcc701bc71..92d08f8c7dd4 100644
--- a/net/bridge/br_private.h
+++ b/net/bridge/br_private.h
@@ -319,6 +319,7 @@ enum net_bridge_opts {
BROPT_MULTICAST_STATS_ENABLED,
BROPT_HAS_IPV6_ADDR,
BROPT_NEIGH_SUPPRESS_ENABLED,
+ BROPT_MTU_SET_BY_USER,
};
struct net_bridge {
@@ -415,7 +416,6 @@ struct net_bridge {
#ifdef CONFIG_NET_SWITCHDEV
int offload_fwd_mark;
#endif
- bool mtu_set_by_user;
struct hlist_head fdb_list;
};