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ixgbe: add VF IPsec offload request message handling 

Add an add and a delete message for IPsec offload requests from
the VF.  These call into the IPsec functions that can translate
the message buffer into a useful IPsec offload.

These new messages bump the mbox API version to 1.4.

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>
This commit is contained in:
Shannon Nelson 2018-08-13 11:43:42 -07:00 коммит произвёл Jeff Kirsher
Родитель 9e4e30cc0c
Коммит 7269824046
3 изменённых файлов: 35 добавлений и 6 удалений
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19
drivers/net/ethernet/intel/ixgbe/ixgbe.h
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@ -1004,15 +1004,24 @@ void ixgbe_ipsec_rx(struct ixgbe_ring *rx_ring,
struct sk_buff *skb);
int ixgbe_ipsec_tx(struct ixgbe_ring *tx_ring, struct ixgbe_tx_buffer *first,
struct ixgbe_ipsec_tx_data *itd);
void ixgbe_ipsec_vf_clear(struct ixgbe_adapter *adapter, u32 vf);
int ixgbe_ipsec_vf_add_sa(struct ixgbe_adapter *adapter, u32 *mbuf, u32 vf);
int ixgbe_ipsec_vf_del_sa(struct ixgbe_adapter *adapter, u32 *mbuf, u32 vf);
#else
static inline void ixgbe_init_ipsec_offload(struct ixgbe_adapter *adapter) { };
static inline void ixgbe_stop_ipsec_offload(struct ixgbe_adapter *adapter) { };
static inline void ixgbe_ipsec_restore(struct ixgbe_adapter *adapter) { };
static inline void ixgbe_init_ipsec_offload(struct ixgbe_adapter *adapter) { }
static inline void ixgbe_stop_ipsec_offload(struct ixgbe_adapter *adapter) { }
static inline void ixgbe_ipsec_restore(struct ixgbe_adapter *adapter) { }
static inline void ixgbe_ipsec_rx(struct ixgbe_ring *rx_ring,
union ixgbe_adv_rx_desc *rx_desc,
struct sk_buff *skb) { };
struct sk_buff *skb) { }
static inline int ixgbe_ipsec_tx(struct ixgbe_ring *tx_ring,
struct ixgbe_tx_buffer *first,
struct ixgbe_ipsec_tx_data *itd) { return 0; };
struct ixgbe_ipsec_tx_data *itd) { return 0; }
static inline void ixgbe_ipsec_vf_clear(struct ixgbe_adapter *adapter,
u32 vf) { }
static inline int ixgbe_ipsec_vf_add_sa(struct ixgbe_adapter *adapter,
u32 *mbuf, u32 vf) { return -EACCES; }
static inline int ixgbe_ipsec_vf_del_sa(struct ixgbe_adapter *adapter,
u32 *mbuf, u32 vf) { return -EACCES; }
#endif /* CONFIG_XFRM_OFFLOAD */
#endif /* _IXGBE_H_ */

5
drivers/net/ethernet/intel/ixgbe/ixgbe_mbx.h
Просмотреть файл

@ -50,6 +50,7 @@ enum ixgbe_pfvf_api_rev {
ixgbe_mbox_api_11, /* API version 1.1, linux/freebsd VF driver */
ixgbe_mbox_api_12, /* API version 1.2, linux/freebsd VF driver */
ixgbe_mbox_api_13, /* API version 1.3, linux/freebsd VF driver */
ixgbe_mbox_api_14, /* API version 1.4, linux/freebsd VF driver */
/* This value should always be last */
ixgbe_mbox_api_unknown, /* indicates that API version is not known */
};
@ -80,6 +81,10 @@ enum ixgbe_pfvf_api_rev {
#define IXGBE_VF_UPDATE_XCAST_MODE 0x0c
/* mailbox API, version 1.4 VF requests */
#define IXGBE_VF_IPSEC_ADD 0x0d
#define IXGBE_VF_IPSEC_DEL 0x0e
/* length of permanent address message returned from PF */
#define IXGBE_VF_PERMADDR_MSG_LEN 4
/* word in permanent address message with the current multicast type */

17
drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c
Просмотреть файл

@ -496,6 +496,7 @@ static s32 ixgbe_set_vf_lpe(struct ixgbe_adapter *adapter, u32 *msgbuf, u32 vf)
case ixgbe_mbox_api_11:
case ixgbe_mbox_api_12:
case ixgbe_mbox_api_13:
case ixgbe_mbox_api_14:
/* Version 1.1 supports jumbo frames on VFs if PF has
* jumbo frames enabled which means legacy VFs are
* disabled
@ -728,6 +729,9 @@ static inline void ixgbe_vf_reset_event(struct ixgbe_adapter *adapter, u32 vf)
/* reset multicast table array for vf */
adapter->vfinfo[vf].num_vf_mc_hashes = 0;
/* clear any ipsec table info */
ixgbe_ipsec_vf_clear(adapter, vf);
/* Flush and reset the mta with the new values */
ixgbe_set_rx_mode(adapter->netdev);
@ -1000,6 +1004,7 @@ static int ixgbe_negotiate_vf_api(struct ixgbe_adapter *adapter,
case ixgbe_mbox_api_11:
case ixgbe_mbox_api_12:
case ixgbe_mbox_api_13:
case ixgbe_mbox_api_14:
adapter->vfinfo[vf].vf_api = api;
return 0;
default:
@ -1025,6 +1030,7 @@ static int ixgbe_get_vf_queues(struct ixgbe_adapter *adapter,
case ixgbe_mbox_api_11:
case ixgbe_mbox_api_12:
case ixgbe_mbox_api_13:
case ixgbe_mbox_api_14:
break;
default:
return -1;
@ -1065,6 +1071,7 @@ static int ixgbe_get_vf_reta(struct ixgbe_adapter *adapter, u32 *msgbuf, u32 vf)
/* verify the PF is supporting the correct API */
switch (adapter->vfinfo[vf].vf_api) {
case ixgbe_mbox_api_14:
case ixgbe_mbox_api_13:
case ixgbe_mbox_api_12:
break;
@ -1097,6 +1104,7 @@ static int ixgbe_get_vf_rss_key(struct ixgbe_adapter *adapter,
/* verify the PF is supporting the correct API */
switch (adapter->vfinfo[vf].vf_api) {
case ixgbe_mbox_api_14:
case ixgbe_mbox_api_13:
case ixgbe_mbox_api_12:
break;
@ -1122,8 +1130,9 @@ static int ixgbe_update_vf_xcast_mode(struct ixgbe_adapter *adapter,
/* promisc introduced in 1.3 version */
if (xcast_mode == IXGBEVF_XCAST_MODE_PROMISC)
return -EOPNOTSUPP;
/* Fall threw */
/* Fall through */
case ixgbe_mbox_api_13:
case ixgbe_mbox_api_14:
break;
default:
return -EOPNOTSUPP;
@ -1249,6 +1258,12 @@ static int ixgbe_rcv_msg_from_vf(struct ixgbe_adapter *adapter, u32 vf)
case IXGBE_VF_UPDATE_XCAST_MODE:
retval = ixgbe_update_vf_xcast_mode(adapter, msgbuf, vf);
break;
case IXGBE_VF_IPSEC_ADD:
retval = ixgbe_ipsec_vf_add_sa(adapter, msgbuf, vf);
break;
case IXGBE_VF_IPSEC_DEL:
retval = ixgbe_ipsec_vf_del_sa(adapter, msgbuf, vf);
break;
default:
e_err(drv, "Unhandled Msg %8.8x\n", msgbuf[0]);
retval = IXGBE_ERR_MBX;