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Diffstat (limited to 'drivers/net/ethernet/intel/ixgbe/ixgbe_ipsec.h')
-rw-r--r--drivers/net/ethernet/intel/ixgbe/ixgbe_ipsec.h83
1 files changed, 83 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_ipsec.h b/drivers/net/ethernet/intel/ixgbe/ixgbe_ipsec.h
new file mode 100644
index 000000000..809ab51a7
--- /dev/null
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_ipsec.h
@@ -0,0 +1,83 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright(c) 2017 Oracle and/or its affiliates. All rights reserved. */
+
+#ifndef _IXGBE_IPSEC_H_
+#define _IXGBE_IPSEC_H_
+
+#define IXGBE_IPSEC_MAX_SA_COUNT 1024
+#define IXGBE_IPSEC_MAX_RX_IP_COUNT 128
+#define IXGBE_IPSEC_BASE_RX_INDEX 0
+#define IXGBE_IPSEC_BASE_TX_INDEX IXGBE_IPSEC_MAX_SA_COUNT
+#define IXGBE_IPSEC_AUTH_BITS 128
+
+#define IXGBE_RXTXIDX_IPS_EN 0x00000001
+#define IXGBE_RXIDX_TBL_SHIFT 1
+enum ixgbe_ipsec_tbl_sel {
+ ips_rx_ip_tbl = 0x01,
+ ips_rx_spi_tbl = 0x02,
+ ips_rx_key_tbl = 0x03,
+};
+
+#define IXGBE_RXTXIDX_IDX_SHIFT 3
+#define IXGBE_RXTXIDX_READ 0x40000000
+#define IXGBE_RXTXIDX_WRITE 0x80000000
+
+#define IXGBE_RXMOD_VALID 0x00000001
+#define IXGBE_RXMOD_PROTO_ESP 0x00000004
+#define IXGBE_RXMOD_DECRYPT 0x00000008
+#define IXGBE_RXMOD_IPV6 0x00000010
+#define IXGBE_RXTXMOD_VF 0x00000020
+
+struct rx_sa {
+ struct hlist_node hlist;
+ struct xfrm_state *xs;
+ __be32 ipaddr[4];
+ u32 key[4];
+ u32 salt;
+ u32 mode;
+ u8 iptbl_ind;
+ bool used;
+ bool decrypt;
+ u32 vf;
+};
+
+struct rx_ip_sa {
+ __be32 ipaddr[4];
+ u32 ref_cnt;
+ bool used;
+};
+
+struct tx_sa {
+ struct xfrm_state *xs;
+ u32 key[4];
+ u32 salt;
+ u32 mode;
+ bool encrypt;
+ bool used;
+ u32 vf;
+};
+
+struct ixgbe_ipsec_tx_data {
+ u32 flags;
+ u16 trailer_len;
+ u16 sa_idx;
+};
+
+struct ixgbe_ipsec {
+ u16 num_rx_sa;
+ u16 num_tx_sa;
+ struct rx_ip_sa *ip_tbl;
+ struct rx_sa *rx_tbl;
+ struct tx_sa *tx_tbl;
+ DECLARE_HASHTABLE(rx_sa_list, 10);
+};
+
+struct sa_mbx_msg {
+ __be32 spi;
+ u8 dir;
+ u8 proto;
+ u16 family;
+ __be32 addr[4];
+ u32 key[5];
+};
+#endif /* _IXGBE_IPSEC_H_ */