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nfp: implement xfrm callbacks and expose ipsec offload feature to upper layer

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Xfrm callbacks are implemented to offload SA info into firmware
by mailbox. It supports 16K SA info in total.

Expose ipsec offload feature to upper layer, this feature will
signal the availability of the offload.

Based on initial work of Norm Bagley <norman.bagley@netronome.com>.

Signed-off-by: Huanhuan Wang <huanhuan.wang@corigine.com>
Reviewed-by: Louis Peens <louis.peens@corigine.com>
Signed-off-by: Simon Horman <simon.horman@corigine.com>
Acked-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Huanhuan Wang
2022-11-21 08:51:36 +00:00
committed by David S. Miller
parent 57f273adbc
commit 859a497fe8
3 changed files with 490 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files
drivers/net/ethernet/netronome/nfp/crypto/ipsec.c
+482 -2
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File diff suppressed because it is too large Load Diff
drivers/net/ethernet/netronome/nfp/nfp_net_common.c
+6
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@@ -2371,6 +2371,12 @@ static void nfp_net_netdev_init(struct nfp_net *nn)
}
if (nn->cap & NFP_NET_CFG_CTRL_RSS_ANY)
netdev->hw_features |= NETIF_F_RXHASH;
#ifdef CONFIG_NFP_NET_IPSEC
if (nn->cap_w1 & NFP_NET_CFG_CTRL_IPSEC)
netdev->hw_features |= NETIF_F_HW_ESP | NETIF_F_HW_ESP_TX_CSUM;
#endif
if (nn->cap & NFP_NET_CFG_CTRL_VXLAN) {
if (nn->cap & NFP_NET_CFG_CTRL_LSO) {
netdev->hw_features |= NETIF_F_GSO_UDP_TUNNEL |
drivers/net/ethernet/netronome/nfp/nfp_net_ctrl.h
+2 -2
View File
@@ -402,14 +402,14 @@
*/
#define NFP_NET_CFG_MBOX_BASE 0x1800
#define NFP_NET_CFG_MBOX_VAL_MAX_SZ 0x1F8
#define NFP_NET_CFG_MBOX_VAL 0x1808
#define NFP_NET_CFG_MBOX_SIMPLE_CMD 0x0
#define NFP_NET_CFG_MBOX_SIMPLE_RET 0x4
#define NFP_NET_CFG_MBOX_SIMPLE_VAL 0x8
#define NFP_NET_CFG_MBOX_CMD_CTAG_FILTER_ADD 1
#define NFP_NET_CFG_MBOX_CMD_CTAG_FILTER_KILL 2
#define NFP_NET_CFG_MBOX_CMD_IPSEC 3
#define NFP_NET_CFG_MBOX_CMD_PCI_DSCP_PRIOMAP_SET 5
#define NFP_NET_CFG_MBOX_CMD_TLV_CMSG 6