DPDK patches and discussions
 help / color / mirror / Atom feed
* [PATCH] common/mlx5: improve AES-XTS tweek capability check
@ 2022-12-06  1:17 Suanming Mou
  2022-12-07 11:40 ` Matan Azrad
  2022-12-21  8:22 ` Raslan Darawsheh
  0 siblings, 2 replies; 3+ messages in thread
From: Suanming Mou @ 2022-12-06  1:17 UTC (permalink / raw)
  To: viacheslavo, matan; +Cc: rasland, dev

Bluefield-3 and above devices use aes_xts_multi_block_be_tweak
bit to indicate AES-XTS capability. The devices below use
aes_xts_single_block_le_tweak bit.

This commit adds the AES-XTS attribute set while one of the
bits is set to make the attribute compatible with all the
devices.

Signed-off-by: Suanming Mou <suanmingm@nvidia.com>
---
 drivers/common/mlx5/mlx5_devx_cmds.c | 4 +++-
 drivers/common/mlx5/mlx5_prm.h       | 4 +++-
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/common/mlx5/mlx5_devx_cmds.c b/drivers/common/mlx5/mlx5_devx_cmds.c
index 59cebb530f..e3a4927d0f 100644
--- a/drivers/common/mlx5/mlx5_devx_cmds.c
+++ b/drivers/common/mlx5/mlx5_devx_cmds.c
@@ -1013,7 +1013,9 @@ mlx5_devx_cmd_query_hca_attr(void *ctx,
 	attr->flow_access_aso_opc_mod = MLX5_GET(cmd_hca_cap, hcattr,
 			flow_access_aso_opc_mod);
 	if (attr->crypto) {
-		attr->aes_xts = MLX5_GET(cmd_hca_cap, hcattr, aes_xts);
+		attr->aes_xts = MLX5_GET(cmd_hca_cap, hcattr, aes_xts) ||
+		MLX5_GET(cmd_hca_cap, hcattr, aes_xts_multi_block_be_tweak) ||
+		MLX5_GET(cmd_hca_cap, hcattr, aes_xts_single_block_le_tweak);
 		hcattr = mlx5_devx_get_hca_cap(ctx, in, out, &rc,
 				MLX5_GET_HCA_CAP_OP_MOD_CRYPTO |
 				MLX5_HCA_CAP_OPMOD_GET_CUR);
diff --git a/drivers/common/mlx5/mlx5_prm.h b/drivers/common/mlx5/mlx5_prm.h
index 2b5c43ee6e..6ec5185a7c 100644
--- a/drivers/common/mlx5/mlx5_prm.h
+++ b/drivers/common/mlx5/mlx5_prm.h
@@ -1679,7 +1679,9 @@ struct mlx5_ifc_cmd_hca_cap_bits {
 	u8 log_min_hairpin_wq_data_sz[0x5];
 	u8 reserved_at_3e8[0x3];
 	u8 log_max_vlan_list[0x5];
-	u8 reserved_at_3f0[0x3];
+	u8 reserved_at_3f0[0x1];
+	u8 aes_xts_single_block_le_tweak[1];
+	u8 aes_xts_multi_block_be_tweak[1];
 	u8 log_max_current_mc_list[0x5];
 	u8 reserved_at_3f8[0x3];
 	u8 log_max_current_uc_list[0x5];
-- 
2.25.1


^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2022-12-21  8:22 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2022-12-06  1:17 [PATCH] common/mlx5: improve AES-XTS tweek capability check Suanming Mou
2022-12-07 11:40 ` Matan Azrad
2022-12-21  8:22 ` Raslan Darawsheh

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).