netdev - [PATCH mlx5-next 1/3] net/mlx5: Expose bits for enabling out-of-order by default

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Date:   Sun, 19 Mar 2023 14:59:30 +0200
From:   Leon Romanovsky <leon@...nel.org>
To:     Jason Gunthorpe <jgg@...dia.com>
Cc:     Or Har-Toov <ohartoov@...dia.com>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>, linux-rdma@...r.kernel.org,
        netdev@...r.kernel.org, Paolo Abeni <pabeni@...hat.com>,
        Saeed Mahameed <saeedm@...dia.com>
Subject: [PATCH mlx5-next 1/3] net/mlx5: Expose bits for enabling out-of-order by default

From: Or Har-Toov <ohartoov@...dia.com>

Add needed HW bits for enabling out-of-order by default and
use go_back_n when out-of-order is not needed.

Signed-off-by: Or Har-Toov <ohartoov@...dia.com>
Signed-off-by: Leon Romanovsky <leonro@...dia.com>
---
 include/linux/mlx5/mlx5_ifc.h | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/include/linux/mlx5/mlx5_ifc.h b/include/linux/mlx5/mlx5_ifc.h
index 15a850f52ef2..e4306cd87cd7 100644
--- a/include/linux/mlx5/mlx5_ifc.h
+++ b/include/linux/mlx5/mlx5_ifc.h
@@ -1077,7 +1077,9 @@ struct mlx5_ifc_roce_cap_bits {
 	u8         sw_r_roce_src_udp_port[0x1];
 	u8         fl_rc_qp_when_roce_disabled[0x1];
 	u8         fl_rc_qp_when_roce_enabled[0x1];
-	u8         reserved_at_7[0x17];
+	u8         reserved_at_7[0x1];
+	u8	   qp_ooo_transmit_default[0x1];
+	u8         reserved_at_9[0x15];
 	u8	   qp_ts_format[0x2];
 
 	u8         reserved_at_20[0x60];
@@ -1493,7 +1495,8 @@ struct mlx5_ifc_cmd_hca_cap_bits {
 	u8         reserved_at_b0[0x1];
 	u8         uplink_follow[0x1];
 	u8         ts_cqe_to_dest_cqn[0x1];
-	u8         reserved_at_b3[0x7];
+	u8         reserved_at_b3[0x6];
+	u8         go_back_n[0x1];
 	u8         shampo[0x1];
 	u8         reserved_at_bb[0x5];
 
@@ -3263,7 +3266,8 @@ struct mlx5_ifc_qpc_bits {
 	u8         log_rq_stride[0x3];
 	u8         no_sq[0x1];
 	u8         log_sq_size[0x4];
-	u8         reserved_at_55[0x3];
+	u8         reserved_at_55[0x1];
+	u8	   retry_mode[0x2];
 	u8	   ts_format[0x2];
 	u8         reserved_at_5a[0x1];
 	u8         rlky[0x1];
-- 
2.39.2