Signed-off-by: Patrick McHardy <kaber@xxxxxxxxx>
---
include/linux/netfilter/nf_tables.h | 32 +++++++++++++++++++++++++++++++-
1 file changed, 31 insertions(+), 1 deletion(-)
diff --git a/include/linux/netfilter/nf_tables.h b/include/linux/netfilter/nf_tables.h
index 0e96443..4221a6c 100644
--- a/include/linux/netfilter/nf_tables.h
+++ b/include/linux/netfilter/nf_tables.h
@@ -1,19 +1,49 @@
#ifndef _LINUX_NF_TABLES_H
#define _LINUX_NF_TABLES_H
+#define NFT_TABLE_MAXNAMELEN 32
#define NFT_CHAIN_MAXNAMELEN 32
#define NFT_USERDATA_MAXLEN 256
+/**
+ * enum nft_registers - nf_tables registers
+ *
+ * nf_tables used to have five registers: a verdict register and four data
+ * registers of size 16. The data registers have been changed to 16 registers
+ * of size 4. For compatibility reasons, the NFT_REG_[1-4] registers still
+ * map to areas of size 16, the 4 byte registers are addressed using
+ * NFT_REG32_00 - NFT_REG32_15.
+ */
enum nft_registers {
NFT_REG_VERDICT,
NFT_REG_1,
NFT_REG_2,
NFT_REG_3,
NFT_REG_4,
- __NFT_REG_MAX
+ __NFT_REG_MAX,
+
+ NFT_REG32_00 = 8,
+ MFT_REG32_01,
+ NFT_REG32_02,
+ NFT_REG32_03,
+ NFT_REG32_04,
+ NFT_REG32_05,
+ NFT_REG32_06,
+ NFT_REG32_07,
+ NFT_REG32_08,
+ NFT_REG32_09,
+ NFT_REG32_10,
+ NFT_REG32_11,
+ NFT_REG32_12,
+ NFT_REG32_13,
+ NFT_REG32_14,
+ NFT_REG32_15,
};
#define NFT_REG_MAX (__NFT_REG_MAX - 1)
+#define NFT_REG_SIZE 16
+#define NFT_REG32_SIZE 4
+
/**
* enum nft_verdicts - nf_tables internal verdicts
*
--
2.1.0
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