diff --git a/unix/linux/types.go b/unix/linux/types.go
index 80260dbc..8065a338 100644
--- a/unix/linux/types.go
+++ b/unix/linux/types.go
@@ -94,6 +94,7 @@ struct termios2 {
 #include <linux/ethtool.h>
 #include <linux/ethtool_netlink.h>
 #include <linux/fanotify.h>
+#include <linux/fib_rules.h>
 #include <linux/filter.h>
 #include <linux/fs.h>
 #include <linux/fsverity.h>
@@ -5450,3 +5451,42 @@ const (
 	NL80211_WPA_VERSION_2                                   = C.NL80211_WPA_VERSION_2
 	NL80211_WPA_VERSION_3                                   = C.NL80211_WPA_VERSION_3
 )
+
+// generated by:
+// perl -nlE '/^\s*((FR_ACT|FRA)_\w+)/ && say "$1 = C.$1"' include/uapi/linux/fib_rules.h
+const (
+	FRA_UNSPEC             = C.FRA_UNSPEC
+	FRA_DST                = C.FRA_DST
+	FRA_SRC                = C.FRA_SRC
+	FRA_IIFNAME            = C.FRA_IIFNAME
+	FRA_GOTO               = C.FRA_GOTO
+	FRA_UNUSED2            = C.FRA_UNUSED2
+	FRA_PRIORITY           = C.FRA_PRIORITY
+	FRA_UNUSED3            = C.FRA_UNUSED3
+	FRA_UNUSED4            = C.FRA_UNUSED4
+	FRA_UNUSED5            = C.FRA_UNUSED5
+	FRA_FWMARK             = C.FRA_FWMARK
+	FRA_FLOW               = C.FRA_FLOW
+	FRA_TUN_ID             = C.FRA_TUN_ID
+	FRA_SUPPRESS_IFGROUP   = C.FRA_SUPPRESS_IFGROUP
+	FRA_SUPPRESS_PREFIXLEN = C.FRA_SUPPRESS_PREFIXLEN
+	FRA_TABLE              = C.FRA_TABLE
+	FRA_FWMASK             = C.FRA_FWMASK
+	FRA_OIFNAME            = C.FRA_OIFNAME
+	FRA_PAD                = C.FRA_PAD
+	FRA_L3MDEV             = C.FRA_L3MDEV
+	FRA_UID_RANGE          = C.FRA_UID_RANGE
+	FRA_PROTOCOL           = C.FRA_PROTOCOL
+	FRA_IP_PROTO           = C.FRA_IP_PROTO
+	FRA_SPORT_RANGE        = C.FRA_SPORT_RANGE
+	FRA_DPORT_RANGE        = C.FRA_DPORT_RANGE
+	FR_ACT_UNSPEC          = C.FR_ACT_UNSPEC
+	FR_ACT_TO_TBL          = C.FR_ACT_TO_TBL
+	FR_ACT_GOTO            = C.FR_ACT_GOTO
+	FR_ACT_NOP             = C.FR_ACT_NOP
+	FR_ACT_RES3            = C.FR_ACT_RES3
+	FR_ACT_RES4            = C.FR_ACT_RES4
+	FR_ACT_BLACKHOLE       = C.FR_ACT_BLACKHOLE
+	FR_ACT_UNREACHABLE     = C.FR_ACT_UNREACHABLE
+	FR_ACT_PROHIBIT        = C.FR_ACT_PROHIBIT
+)
diff --git a/unix/mkerrors.sh b/unix/mkerrors.sh
index 72f65a9a..d888fb77 100755
--- a/unix/mkerrors.sh
+++ b/unix/mkerrors.sh
@@ -215,6 +215,7 @@ struct ltchars {
 #include <linux/ethtool_netlink.h>
 #include <linux/falloc.h>
 #include <linux/fanotify.h>
+#include <linux/fib_rules.h>
 #include <linux/filter.h>
 #include <linux/fs.h>
 #include <linux/fscrypt.h>
@@ -613,6 +614,7 @@ ccflags="$@"
 		$2 ~ /^OTP/ ||
 		$2 ~ /^MEM/ ||
 		$2 ~ /^WG/ ||
+		$2 ~ /^FIB_RULE_/ ||
 		$2 ~ /^BLK[A-Z]*(GET$|SET$|BUF$|PART$|SIZE)/ {printf("\t%s = C.%s\n", $2, $2)}
 		$2 ~ /^__WCOREFLAG$/ {next}
 		$2 ~ /^__W[A-Z0-9]+$/ {printf("\t%s = C.%s\n", substr($2,3), $2)}
diff --git a/unix/zerrors_linux.go b/unix/zerrors_linux.go
index fd016194..3de79fa2 100644
--- a/unix/zerrors_linux.go
+++ b/unix/zerrors_linux.go
@@ -873,6 +873,13 @@ const (
 	FD_CLOEXEC                                  = 0x1
 	FD_SETSIZE                                  = 0x400
 	FF0                                         = 0x0
+	FIB_RULE_DEV_DETACHED                       = 0x8
+	FIB_RULE_FIND_SADDR                         = 0x10000
+	FIB_RULE_IIF_DETACHED                       = 0x8
+	FIB_RULE_INVERT                             = 0x2
+	FIB_RULE_OIF_DETACHED                       = 0x10
+	FIB_RULE_PERMANENT                          = 0x1
+	FIB_RULE_UNRESOLVED                         = 0x4
 	FIDEDUPERANGE                               = 0xc0189436
 	FSCRYPT_KEY_DESCRIPTOR_SIZE                 = 0x8
 	FSCRYPT_KEY_DESC_PREFIX                     = "fscrypt:"
diff --git a/unix/ztypes_linux.go b/unix/ztypes_linux.go
index e0cdc7ef..c55b6173 100644
--- a/unix/ztypes_linux.go
+++ b/unix/ztypes_linux.go
@@ -5542,3 +5542,40 @@ const (
 	NL80211_WPA_VERSION_2                                   = 0x2
 	NL80211_WPA_VERSION_3                                   = 0x4
 )
+
+const (
+	FRA_UNSPEC             = 0x0
+	FRA_DST                = 0x1
+	FRA_SRC                = 0x2
+	FRA_IIFNAME            = 0x3
+	FRA_GOTO               = 0x4
+	FRA_UNUSED2            = 0x5
+	FRA_PRIORITY           = 0x6
+	FRA_UNUSED3            = 0x7
+	FRA_UNUSED4            = 0x8
+	FRA_UNUSED5            = 0x9
+	FRA_FWMARK             = 0xa
+	FRA_FLOW               = 0xb
+	FRA_TUN_ID             = 0xc
+	FRA_SUPPRESS_IFGROUP   = 0xd
+	FRA_SUPPRESS_PREFIXLEN = 0xe
+	FRA_TABLE              = 0xf
+	FRA_FWMASK             = 0x10
+	FRA_OIFNAME            = 0x11
+	FRA_PAD                = 0x12
+	FRA_L3MDEV             = 0x13
+	FRA_UID_RANGE          = 0x14
+	FRA_PROTOCOL           = 0x15
+	FRA_IP_PROTO           = 0x16
+	FRA_SPORT_RANGE        = 0x17
+	FRA_DPORT_RANGE        = 0x18
+	FR_ACT_UNSPEC          = 0x0
+	FR_ACT_TO_TBL          = 0x1
+	FR_ACT_GOTO            = 0x2
+	FR_ACT_NOP             = 0x3
+	FR_ACT_RES3            = 0x4
+	FR_ACT_RES4            = 0x5
+	FR_ACT_BLACKHOLE       = 0x6
+	FR_ACT_UNREACHABLE     = 0x7
+	FR_ACT_PROHIBIT        = 0x8
+)