diff options
| author | Shannon Nelson <shannon.nelson@oracle.com> | 2017-12-20 02:59:56 +0300 |
|---|---|---|
| committer | Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2018-01-23 20:11:27 +0300 |
| commit | 34c822e2fb105599d3e7dffd4f2f3a5953cfefb3 (patch) | |
| tree | 9d62313bb222ea042ad4ab7069f638ba378ba32a /drivers/net/ethernet/intel/ixgbe | |
| parent | 49a94d74d9489647dfc3449ee135af4bf8fab2c1 (diff) | |
| download | linux-34c822e2fb105599d3e7dffd4f2f3a5953cfefb3.tar.xz | |
ixgbe: add ipsec data structures
Set up the data structures to be used by the ipsec offload.
Signed-off-by: Shannon Nelson <shannon.nelson@oracle.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Diffstat (limited to 'drivers/net/ethernet/intel/ixgbe')
| -rw-r--r-- | drivers/net/ethernet/intel/ixgbe/ixgbe.h | 5 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/ixgbe/ixgbe_ipsec.h | 40 |
2 files changed, 45 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe.h b/drivers/net/ethernet/intel/ixgbe/ixgbe.h index 08018b1cad03..c4254a189183 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe.h +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe.h @@ -630,6 +630,7 @@ struct ixgbe_adapter { #define IXGBE_FLAG2_EEE_CAPABLE BIT(14) #define IXGBE_FLAG2_EEE_ENABLED BIT(15) #define IXGBE_FLAG2_RX_LEGACY BIT(16) +#define IXGBE_FLAG2_IPSEC_ENABLED BIT(17) /* Tx fast path data */ int num_tx_queues; @@ -782,6 +783,10 @@ struct ixgbe_adapter { #define IXGBE_RSS_KEY_SIZE 40 /* size of RSS Hash Key in bytes */ u32 *rss_key; + +#ifdef CONFIG_XFRM + struct ixgbe_ipsec *ipsec; +#endif /* CONFIG_XFRM */ }; static inline u8 ixgbe_max_rss_indices(struct ixgbe_adapter *adapter) diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_ipsec.h b/drivers/net/ethernet/intel/ixgbe/ixgbe_ipsec.h index 8fe8289d3eee..da3ce7849e85 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_ipsec.h +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_ipsec.h @@ -50,4 +50,44 @@ enum ixgbe_ipsec_tbl_sel { #define IXGBE_RXMOD_DECRYPT 0x00000008 #define IXGBE_RXMOD_IPV6 0x00000010 +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; +}; + +struct rx_ip_sa { + __be32 ipaddr[4]; + u32 ref_cnt; + bool used; +}; + +struct tx_sa { + struct xfrm_state *xs; + u32 key[4]; + u32 salt; + bool encrypt; + bool used; +}; + +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); +}; #endif /* _IXGBE_IPSEC_H_ */ |