netdev - [net-next 01/15] net/mlx5: Add HW definition of reg_c

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Date:   Thu,  7 Jan 2021 21:30:40 -0800
From:   Saeed Mahameed <saeed@...nel.org>
To:     "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>
Cc:     netdev@...r.kernel.org, Paul Blakey <paulb@...lanox.com>,
        Maor Dickman <maord@...dia.com>, Roi Dayan <roid@...dia.com>,
        Saeed Mahameed <saeedm@...dia.com>
Subject: [net-next 01/15] net/mlx5: Add HW definition of reg_c_preserve

From: Paul Blakey <paulb@...lanox.com>

Add capability bit to test whether reg_c value is preserved on
recirculation.

Signed-off-by: Paul Blakey <paulb@...lanox.com>
Signed-off-by: Maor Dickman <maord@...dia.com>
Reviewed-by: Roi Dayan <roid@...dia.com>
Signed-off-by: Saeed Mahameed <saeedm@...dia.com>
---
 include/linux/mlx5/mlx5_ifc.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/include/linux/mlx5/mlx5_ifc.h b/include/linux/mlx5/mlx5_ifc.h
index 8fbddec26eb8..ec0d01e26b3e 100644
--- a/include/linux/mlx5/mlx5_ifc.h
+++ b/include/linux/mlx5/mlx5_ifc.h
@@ -1278,7 +1278,9 @@ struct mlx5_ifc_cmd_hca_cap_bits {
 
 	u8         reserved_at_a0[0x3];
 	u8	   ece_support[0x1];
-	u8	   reserved_at_a4[0x7];
+	u8	   reserved_at_a4[0x5];
+	u8         reg_c_preserve[0x1];
+	u8         reserved_at_aa[0x1];
 	u8         log_max_srq[0x5];
 	u8         reserved_at_b0[0x2];
 	u8         ts_cqe_to_dest_cqn[0x1];
-- 
2.26.2