[openwrt/openwrt] iproute2: add dcb utility

Sun Jan 25 14:58:10 PST 2026

hauke pushed a commit to openwrt/openwrt.git, branch openwrt-25.12:
https://git.openwrt.org/1a810b5fa4d19fdf91f613b06d08354ea2e394fb

commit 1a810b5fa4d19fdf91f613b06d08354ea2e394fb
Author: David Yang <mmyangfl at gmail.com>
AuthorDate: Tue Jan 20 01:51:02 2026 +0800

    iproute2: add dcb utility
    
    KERNEL_DCB was introduced in 40f1db9cb11d, however the dcb utility is not
    enabled for iproute2. Although DCB is not generally available among
    Ethernet cards, not having the dcb utility renders it completely
    unchangeable.
    
    On aarch64, it takes ~85.3KiB.
    
    Signed-off-by: David Yang <mmyangfl at gmail.com>
    Link: https://github.com/openwrt/openwrt/pull/21606
    Signed-off-by: Hauke Mehrtens <hauke at hauke-m.de>
    (cherry picked from commit f0f5525b75c662fafee055d227c60f5ce824d0c4)
---
 package/network/utils/iproute2/Makefile            | 36 ++++++++++++++++------
 ...vdpa.patch => 130-no_netem_tipc_man_vdpa.patch} |  2 +-
 2 files changed, 27 insertions(+), 11 deletions(-)

diff --git a/package/network/utils/iproute2/Makefile b/package/network/utils/iproute2/Makefile
index bdb4c1685d..1c58d98642 100644
--- a/package/network/utils/iproute2/Makefile
+++ b/package/network/utils/iproute2/Makefile
@@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=iproute2
 PKG_VERSION:=6.18.0
-PKG_RELEASE:=1
+PKG_RELEASE:=2
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.xz
 PKG_SOURCE_URL:=@KERNEL/linux/utils/net/iproute2
@@ -40,7 +40,7 @@ $(call Package/iproute2/Default)
   DEFAULT_VARIANT:=1
   PROVIDES:=ip
   ALTERNATIVES:=200:/sbin/ip:/usr/libexec/ip-tiny
-  DEPENDS:=+libnl-tiny +(PACKAGE_devlink||PACKAGE_rdma):libmnl
+  DEPENDS:=+libnl-tiny +(PACKAGE_devlink||PACKAGE_rdma||PACKAGE_dcb):libmnl
 endef
 
 define Package/ip-full
@@ -49,7 +49,7 @@ $(call Package/iproute2/Default)
   VARIANT:=ipfull
   PROVIDES:=ip
   ALTERNATIVES:=300:/sbin/ip:/usr/libexec/ip-full
-  DEPENDS:=+libnl-tiny +libbpf +(PACKAGE_devlink||PACKAGE_rdma):libmnl
+  DEPENDS:=+libnl-tiny +libbpf +(PACKAGE_devlink||PACKAGE_rdma||PACKAGE_dcb):libmnl
 endef
 
 define Package/tc-tiny
@@ -59,7 +59,7 @@ $(call Package/iproute2/Default)
   DEFAULT_VARIANT:=1
   PROVIDES:=tc
   ALTERNATIVES:=200:/sbin/tc:/usr/libexec/tc-tiny
-  DEPENDS:=+kmod-sched-core +(PACKAGE_devlink||PACKAGE_rdma):libmnl
+  DEPENDS:=+kmod-sched-core +(PACKAGE_devlink||PACKAGE_rdma||PACKAGE_dcb):libmnl
 endef
 
 define Package/tc-bpf
@@ -68,7 +68,7 @@ $(call Package/iproute2/Default)
   VARIANT:=tcbpf
   PROVIDES:=tc
   ALTERNATIVES:=300:/sbin/tc:/usr/libexec/tc-bpf
-  DEPENDS:=+kmod-sched-core +(PACKAGE_devlink||PACKAGE_rdma):libmnl +libbpf
+  DEPENDS:=+kmod-sched-core +(PACKAGE_devlink||PACKAGE_rdma||PACKAGE_dcb):libmnl +libbpf
 endef
 
 define Package/tc-full
@@ -77,31 +77,31 @@ $(call Package/iproute2/Default)
   VARIANT:=tcfull
   PROVIDES:=tc
   ALTERNATIVES:=400:/sbin/tc:/usr/libexec/tc-full
-  DEPENDS:=+kmod-sched-core +(PACKAGE_devlink||PACKAGE_rdma):libmnl +libbpf +libxtables
+  DEPENDS:=+kmod-sched-core +(PACKAGE_devlink||PACKAGE_rdma||PACKAGE_dcb):libmnl +libbpf +libxtables
 endef
 
 define Package/genl
 $(call Package/iproute2/Default)
   TITLE:=General netlink utility frontend
-  DEPENDS:=+libnl-tiny +(PACKAGE_devlink||PACKAGE_rdma):libmnl
+  DEPENDS:=+libnl-tiny +(PACKAGE_devlink||PACKAGE_rdma||PACKAGE_dcb):libmnl
 endef
 
 define Package/ip-bridge
 $(call Package/iproute2/Default)
   TITLE:=Bridge configuration utility from iproute2
-  DEPENDS:=+libnl-tiny +(PACKAGE_devlink||PACKAGE_rdma):libmnl
+  DEPENDS:=+libnl-tiny +(PACKAGE_devlink||PACKAGE_rdma||PACKAGE_dcb):libmnl
 endef
 
 define Package/ss
 $(call Package/iproute2/Default)
   TITLE:=Socket statistics utility
-  DEPENDS:=+libnl-tiny +(PACKAGE_devlink||PACKAGE_rdma):libmnl +libbpf +kmod-netlink-diag
+  DEPENDS:=+libnl-tiny +(PACKAGE_devlink||PACKAGE_rdma||PACKAGE_dcb):libmnl +libbpf +kmod-netlink-diag
 endef
 
 define Package/nstat
 $(call Package/iproute2/Default)
   TITLE:=Network statistics utility
-  DEPENDS:=+libnl-tiny +(PACKAGE_devlink||PACKAGE_rdma):libmnl
+  DEPENDS:=+libnl-tiny +(PACKAGE_devlink||PACKAGE_rdma||PACKAGE_dcb):libmnl
 endef
 
 define Package/devlink
@@ -116,6 +116,12 @@ $(call Package/iproute2/Default)
   DEPENDS:=+libmnl
 endef
 
+define Package/dcb
+$(call Package/iproute2/Default)
+  TITLE:=Network DCB (Data Center Bridging) utility
+  DEPENDS:=+libmnl
+endef
+
 ifeq ($(BUILD_VARIANT),iptiny)
   IP_CONFIG_TINY:=y
   LIBBPF_FORCE:=off
@@ -161,6 +167,10 @@ ifdef CONFIG_PACKAGE_rdma
   HAVE_MNL:=y
 endif
 
+ifdef CONFIG_PACKAGE_dcb
+  HAVE_MNL:=y
+endif
+
 TARGET_LDFLAGS += -Wl,--as-needed
 TARGET_CPPFLAGS += -I$(STAGING_DIR)/usr/include/libnl-tiny
 
@@ -255,6 +265,11 @@ define Package/rdma/install
 	$(INSTALL_BIN) $(PKG_BUILD_DIR)/rdma/rdma $(1)/usr/sbin/
 endef
 
+define Package/dcb/install
+	$(INSTALL_DIR) $(1)/usr/sbin
+	$(INSTALL_BIN) $(PKG_BUILD_DIR)/dcb/dcb $(1)/usr/sbin/
+endef
+
 $(eval $(call BuildPackage,ip-tiny))
 $(eval $(call BuildPackage,ip-full))
 $(eval $(call BuildPackage,tc-tiny))
@@ -266,3 +281,4 @@ $(eval $(call BuildPackage,ss))
 $(eval $(call BuildPackage,nstat))
 $(eval $(call BuildPackage,devlink))
 $(eval $(call BuildPackage,rdma))
+$(eval $(call BuildPackage,dcb))
diff --git a/package/network/utils/iproute2/patches/130-no_netem_tipc_dcb_man_vdpa.patch b/package/network/utils/iproute2/patches/130-no_netem_tipc_man_vdpa.patch
similarity index 93%
rename from package/network/utils/iproute2/patches/130-no_netem_tipc_dcb_man_vdpa.patch
rename to package/network/utils/iproute2/patches/130-no_netem_tipc_man_vdpa.patch
index 25a985d8d8..16cc1380e2 100644
--- a/package/network/utils/iproute2/patches/130-no_netem_tipc_dcb_man_vdpa.patch
+++ b/package/network/utils/iproute2/patches/130-no_netem_tipc_man_vdpa.patch
@@ -8,7 +8,7 @@
 +SUBDIRS=lib ip tc bridge misc genl
  ifeq ($(HAVE_MNL),y)
 -SUBDIRS += tipc devlink rdma dcb vdpa netshaper
-+SUBDIRS += devlink rdma
++SUBDIRS += devlink rdma dcb
  endif
  
  LIBNETLINK=../lib/libutil.a ../lib/libnetlink.a


