| Message ID | 1513728002-7643-5-git-send-email-shannon.nelson@oracle.com |
|---|---|
| State | Accepted |
| Delegated to: | Jeff Kirsher |
| Headers | show |
| Series | ixgbe: Add ipsec offload | expand |
> -----Original Message----- > From: Intel-wired-lan [mailto:intel-wired-lan-bounces@osuosl.org] On > Behalf Of Shannon Nelson > Sent: Tuesday, December 19, 2017 4:00 PM > To: intel-wired-lan@lists.osuosl.org; Kirsher, Jeffrey T > <jeffrey.t.kirsher@intel.com> > Cc: steffen.klassert@secunet.com; sowmini.varadhan@oracle.com; > netdev@vger.kernel.org > Subject: [Intel-wired-lan] [PATCH v3 next-queue 04/10] ixgbe: add ipsec data > structures > > Set up the data structures to be used by the ipsec offload. > > v2: ipaddr[] becomes __be32 > increase the hash table size > > Signed-off-by: Shannon Nelson <shannon.nelson@oracle.com> > --- > drivers/net/ethernet/intel/ixgbe/ixgbe.h | 5 ++++ > drivers/net/ethernet/intel/ixgbe/ixgbe_ipsec.h | 40 > ++++++++++++++++++++++++++ > 2 files changed, 45 insertions(+) Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe.h b/drivers/net/ethernet/intel/ixgbe/ixgbe.h index 1e11462..9487750 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe.h +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe.h @@ -622,6 +622,7 @@ 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; @@ -772,6 +773,10 @@ 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 8fe8289..da3ce78 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_ */
Set up the data structures to be used by the ipsec offload. v2: ipaddr[] becomes __be32 increase the hash table size Signed-off-by: Shannon Nelson <shannon.nelson@oracle.com> --- drivers/net/ethernet/intel/ixgbe/ixgbe.h | 5 ++++ drivers/net/ethernet/intel/ixgbe/ixgbe_ipsec.h | 40 ++++++++++++++++++++++++++ 2 files changed, 45 insertions(+)