From: Daniel Golle Date: Wed, 1 Apr 2026 13:34:42 +0000 (+0100) Subject: net: dsa: add bridge member iteration macro X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=f259e08494c47c614ce7b6d3079d1e0d3f30ae66;p=thirdparty%2Fkernel%2Flinux.git net: dsa: add bridge member iteration macro Drivers that offload bridges need to iterate over the ports that are members of a given bridge, for example to rebuild per-port forwarding bitmaps when membership changes. Currently drivers typically open-code this by combining dsa_switch_for_each_user_port() with a dsa_port_offloads_bridge_dev() check, or cache bridge membership within the driver. Add dsa_switch_for_each_bridge_member() macro to express this pattern directly, and use it for the existing dsa_bridge_ports() inline helper. Signed-off-by: Daniel Golle Link: https://patch.msgid.link/e7136aaa26773f39e805a00fe4ecf13cd2b83fc0.1775049897.git.daniel@makrotopia.org Signed-off-by: Jakub Kicinski --- diff --git a/include/net/dsa.h b/include/net/dsa.h index e93b4feaca966..8b6d34e8a6f0d 100644 --- a/include/net/dsa.h +++ b/include/net/dsa.h @@ -831,15 +831,18 @@ dsa_tree_offloads_bridge_dev(struct dsa_switch_tree *dst, return false; } +#define dsa_switch_for_each_bridge_member(_dp, _ds, _bdev) \ + dsa_switch_for_each_user_port(_dp, _ds) \ + if (dsa_port_offloads_bridge_dev(_dp, _bdev)) + static inline u32 dsa_bridge_ports(struct dsa_switch *ds, const struct net_device *bdev) { struct dsa_port *dp; u32 mask = 0; - dsa_switch_for_each_user_port(dp, ds) - if (dsa_port_offloads_bridge_dev(dp, bdev)) - mask |= BIT(dp->index); + dsa_switch_for_each_bridge_member(dp, ds, bdev) + mask |= BIT(dp->index); return mask; }