diff options
| author | Jakub Kicinski <jakub.kicinski@netronome.com> | 2019-06-05 14:11:35 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2019-06-06 14:13:39 -0700 |
| commit | d9d2d4c54fd7f5e7a7f4fda01ef53ec237ed57da (patch) | |
| tree | 08998fea622154f302871176c64662fdc7d85e13 | |
| parent | d3e4dfe060cc818262425b8606b502f79c3d9116 (diff) | |
nfp: parse crypto opcode TLV
Parse TLV containing a bitmask of supported crypto operations.
The TLV contains a capability bitmask (supported operations)
and enabled bitmask. Each operation describes the crypto
protocol quite exhaustively (protocol, AEAD, direction).
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Dirk van der Merwe <dirk.vandermerwe@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/ethernet/netronome/nfp/nfp_net_ctrl.c | 11 | ||||
| -rw-r--r-- | drivers/net/ethernet/netronome/nfp/nfp_net_ctrl.h | 10 |
2 files changed, 21 insertions, 0 deletions
diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_ctrl.c b/drivers/net/ethernet/netronome/nfp/nfp_net_ctrl.c index 6c207c5e9265..d835c14b7257 100644 --- a/drivers/net/ethernet/netronome/nfp/nfp_net_ctrl.c +++ b/drivers/net/ethernet/netronome/nfp/nfp_net_ctrl.c @@ -103,6 +103,17 @@ int nfp_net_tlv_caps_parse(struct device *dev, u8 __iomem *ctrl_mem, if (length >= 4) caps->mbox_cmsg_types = readl(data); break; + case NFP_NET_CFG_TLV_TYPE_CRYPTO_OPS: + if (length < 32) { + dev_err(dev, + "CRYPTO OPS TLV should be at least 32B, is %dB offset:%u\n", + length, offset); + return -EINVAL; + } + + caps->crypto_ops = readl(data); + caps->crypto_enable_off = data - ctrl_mem + 16; + break; default: if (!FIELD_GET(NFP_NET_CFG_TLV_HEADER_REQUIRED, hdr)) break; diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_ctrl.h b/drivers/net/ethernet/netronome/nfp/nfp_net_ctrl.h index b94db7fb691d..bd4e2194dda5 100644 --- a/drivers/net/ethernet/netronome/nfp/nfp_net_ctrl.h +++ b/drivers/net/ethernet/netronome/nfp/nfp_net_ctrl.h @@ -472,6 +472,11 @@ * Variable, bitmap of control message types supported by the mailbox handler. * Bit 0 corresponds to message type 0, bit 1 to 1, etc. Control messages are * encapsulated into simple TLVs, with an end TLV and written to the Mailbox. + * + * %NFP_NET_CFG_TLV_TYPE_CRYPTO_OPS: + * 8 words, bitmaps of supported and enabled crypto operations. + * First 16B (4 words) contains a bitmap of supported crypto operations, + * and next 16B contain the enabled operations. */ #define NFP_NET_CFG_TLV_TYPE_UNKNOWN 0 #define NFP_NET_CFG_TLV_TYPE_RESERVED 1 @@ -482,6 +487,7 @@ #define NFP_NET_CFG_TLV_TYPE_EXPERIMENTAL1 6 #define NFP_NET_CFG_TLV_TYPE_REPR_CAP 7 #define NFP_NET_CFG_TLV_TYPE_MBOX_CMSG_TYPES 10 +#define NFP_NET_CFG_TLV_TYPE_CRYPTO_OPS 11 /* see crypto/fw.h */ struct device; @@ -492,6 +498,8 @@ struct device; * @mbox_len: vNIC mailbox area length * @repr_cap: capabilities for representors * @mbox_cmsg_types: cmsgs which can be passed through the mailbox + * @crypto_ops: supported crypto operations + * @crypto_enable_off: offset of crypto ops enable region */ struct nfp_net_tlv_caps { u32 me_freq_mhz; @@ -499,6 +507,8 @@ struct nfp_net_tlv_caps { unsigned int mbox_len; u32 repr_cap; u32 mbox_cmsg_types; + u32 crypto_ops; + unsigned int crypto_enable_off; }; int nfp_net_tlv_caps_parse(struct device *dev, u8 __iomem *ctrl_mem, |