meta-google: linux: Add configurations

Upstream: 3c2cdab65317061f819ca0f48448821ea4ab79cf
Change-Id: I7c519c5d1b4d404727aee909ea7582165c9f4dd4
Signed-off-by: William A. Kennington III <wak@google.com>
diff --git a/meta-google/recipes-kernel/linux/files/gbmc.cfg b/meta-google/recipes-kernel/linux/files/gbmc.cfg
new file mode 100644
index 0000000..4385cc9
--- /dev/null
+++ b/meta-google/recipes-kernel/linux/files/gbmc.cfg
@@ -0,0 +1,38 @@
+# Appended gBMC kernel commandline
+CONFIG_CMDLINE="dummy.numdummies=0"
+CONFIG_CMDLINE_EXTEND=y
+
+# We still have commandline users of /dev/mem
+CONFIG_DEVMEM=y
+CONFIG_DEVMEM_BOOTPARAM=n
+
+# Unused implicitly included functionality
+CONFIG_IPV6_SIT=n
+
+# Used by gbmc nftables configurations
+CONFIG_NETFILTER=y
+CONFIG_NF_CONNTRACK=y
+CONFIG_NF_CONNTRACK_MARK=y
+CONFIG_NF_TABLES=y
+CONFIG_NFT_CT=y
+CONFIG_NF_TABLES_INET=y
+CONFIG_NFT_REJECT=y
+CONFIG_NFT_LOG=y
+CONFIG_IP_NF_IPTABLES=y
+CONFIG_NF_LOG_IPV4=y
+CONFIG_NFT_FIB_IPV4=y
+CONFIG_IP_NF_FILTER=y
+CONFIG_IP_NF_TARGET_REJECT=y
+CONFIG_IP6_NF_IPTABLES=y
+CONFIG_NF_LOG_IPV6=y
+CONFIG_NFT_FIB_IPV6=y
+CONFIG_IP6_NF_FILTER=y
+CONFIG_IP6_NF_TARGET_REJECT=y
+
+# MGMT Bridge Required Features
+CONFIG_BRIDGE=y
+CONFIG_DUMMY=y
+# Support for bridge filter
+CONFIG_BRIDGE_NETFILTER=y
+CONFIG_NF_TABLES_BRIDGE=y
+CONFIG_BRIDGE_NF_EBTABLES=y