summaryrefslogtreecommitdiffstats
path: root/net/mpls/Kconfig
diff options
context:
space:
mode:
authorEduard Zingerman <eddyz87@gmail.com>2026-09-04 17:05:56 -0700
committerAlexei Starovoitov <ast@kernel.org>2026-09-04 18:17:30 -0700
commit506ada89629ec7059b96ecfb0dc7d33ece0103ca (patch)
tree0b07297409b68d2333fb4f0eae7f3b072eb68d4c /net/mpls/Kconfig
downloadlinux-stable-506ada89629ec7059b96ecfb0dc7d33ece0103ca.tar.gz
linux-stable-506ada89629ec7059b96ecfb0dc7d33ece0103ca.zip
bpf: mark a NULL kfunc argument precisegrafted
check_kfunc_arg() allows bpf_register_is_null() for nullable arguments w/o marking the underlying scalar register precise. Hence a checkpoint created on such a path would prune against arbitrary scalar value. Fixes: 3bda08b63670 ("bpf: Allow NULL buffers in bpf_dynptr_slice(_rw)") Signed-off-by: Eduard Zingerman <eddyz87@gmail.com> Link: https://lore.kernel.org/r/20260904-register-is-null-precise-fixes-v1-5-0f5a360ff15d@gmail.com Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to 'net/mpls/Kconfig')
-rw-r--r--net/mpls/Kconfig39
1 files changed, 39 insertions, 0 deletions
diff --git a/net/mpls/Kconfig b/net/mpls/Kconfig
new file mode 100644
index 000000000..d672ab72a
--- /dev/null
+++ b/net/mpls/Kconfig
@@ -0,0 +1,39 @@
+# SPDX-License-Identifier: GPL-2.0-only
+#
+# MPLS configuration
+#
+
+menuconfig MPLS
+ bool "MultiProtocol Label Switching"
+ default n
+ help
+ MultiProtocol Label Switching routes packets through logical
+ circuits. Originally conceived as a way of routing packets at
+ hardware speeds (before hardware was capable of routing ipv4 packets),
+ MPLS remains a simple way of making tunnels.
+
+ If you have not heard of MPLS you probably want to say N here.
+
+if MPLS
+
+config NET_MPLS_GSO
+ tristate "MPLS: GSO support"
+ help
+ This is helper module to allow segmentation of non-MPLS GSO packets
+ that have had MPLS stack entries pushed onto them and thus
+ become MPLS GSO packets.
+
+config MPLS_ROUTING
+ tristate "MPLS: routing support"
+ depends on NET_IP_TUNNEL || NET_IP_TUNNEL=n
+ depends on PROC_SYSCTL
+ help
+ Add support for forwarding of mpls packets.
+
+config MPLS_IPTUNNEL
+ tristate "MPLS: IP over MPLS tunnel support"
+ depends on LWTUNNEL && MPLS_ROUTING
+ help
+ mpls ip tunnel support.
+
+endif # MPLS