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From: Edward Srouji <edwards@nvidia.com>
To: Leon Romanovsky <leon@kernel.org>,
	Saeed Mahameed <saeedm@nvidia.com>,
	Tariq Toukan <tariqt@nvidia.com>, Mark Bloch <mbloch@nvidia.com>,
	"Jason Gunthorpe" <jgg@ziepe.ca>,
	Selvin Xavier <selvin.xavier@broadcom.com>,
	"Kalesh AP" <kalesh-anakkur.purayil@broadcom.com>,
	Abhijit Gangurde <abhijit.gangurde@amd.com>,
	Allen Hubbe <allen.hubbe@amd.com>
Cc: <linux-rdma@vger.kernel.org>, <netdev@vger.kernel.org>,
	<linux-kernel@vger.kernel.org>,
	Edward Srouji <edwards@nvidia.com>,
	"Maher Sanalla" <msanalla@nvidia.com>,
	Michael Guralnik <michaelgur@nvidia.com>
Subject: [PATCH rdma-next 1/8] net/mlx5: Add UD and UC packet pacing caps
Date: Sun, 24 May 2026 18:38:02 +0300	[thread overview]
Message-ID: <20260524-packet-pacing-v1-1-3d79439f8d08@nvidia.com> (raw)
In-Reply-To: <20260524-packet-pacing-v1-0-3d79439f8d08@nvidia.com>

From: Maher Sanalla <msanalla@nvidia.com>

Add the needed capabilities in mlx5_ifc to support packet pacing for UC
and UD QPs.

Signed-off-by: Maher Sanalla <msanalla@nvidia.com>
Reviewed-by: Michael Guralnik <michaelgur@nvidia.com>
Signed-off-by: Edward Srouji <edwards@nvidia.com>
---
 include/linux/mlx5/mlx5_ifc.h | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/include/linux/mlx5/mlx5_ifc.h b/include/linux/mlx5/mlx5_ifc.h
index 49f3ad4b1a7c548e57da0004a7a7c1e0e03f3534..f56de77cde3aa015c00d13e32402e9ccb8ef9468 100644
--- a/include/linux/mlx5/mlx5_ifc.h
+++ b/include/linux/mlx5/mlx5_ifc.h
@@ -1116,7 +1116,10 @@ struct mlx5_ifc_qos_cap_bits {
 	u8         log_esw_max_sched_depth[0x4];
 	u8         reserved_at_10[0x10];
 
-	u8         reserved_at_20[0x9];
+	u8         reserved_at_20[0x2];
+	u8         packet_pacing_req_ud[0x1];
+	u8         packet_pacing_req_uc[0x1];
+	u8         reserved_at_24[0x5];
 	u8         esw_cross_esw_sched[0x1];
 	u8         reserved_at_2a[0x1];
 	u8         log_max_qos_nic_queue_group[0x5];
@@ -3707,7 +3710,8 @@ struct mlx5_ifc_qpc_bits {
 	u8         cur_retry_count[0x3];
 	u8         reserved_at_39b[0x5];
 
-	u8         reserved_at_3a0[0x20];
+	u8         reserved_at_3a0[0x10];
+	u8         packet_pacing_rate_limit_index[0x10];
 
 	u8         reserved_at_3c0[0x8];
 	u8         next_send_psn[0x18];

-- 
2.49.0


  reply	other threads:[~2026-05-24 15:38 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-05-24 15:38 [PATCH rdma-next 0/8] RDMA: Extend packet pacing support to UD and UC QPs Edward Srouji
2026-05-24 15:38 ` Edward Srouji [this message]
2026-05-24 15:38 ` [PATCH rdma-next 2/8] RDMA/mlx5: Refactor raw packet QP rate limit handling Edward Srouji
2026-05-24 15:38 ` [PATCH rdma-next 3/8] RDMA/mlx5: Add support for rate limit in UD and UC QPs Edward Srouji
2026-05-24 15:38 ` [PATCH rdma-next 4/8] RDMA/mlx5: Support deferred rate limit configuration Edward Srouji
2026-05-24 15:38 ` [PATCH rdma-next 5/8] RDMA/mlx5: Report packet pacing capabilities when querying device Edward Srouji
2026-05-24 15:38 ` [PATCH rdma-next 6/8] RDMA/bnxt_re: Validate rate limit attribute in modify QP Edward Srouji
2026-05-24 15:38 ` [PATCH rdma-next 7/8] RDMA/ionic: " Edward Srouji
2026-05-24 15:38 ` [PATCH rdma-next 8/8] IB/core: Delegate IB_QP_RATE_LIMIT validation to drivers Edward Srouji
2026-06-11 11:06 ` [PATCH rdma-next 0/8] RDMA: Extend packet pacing support to UD and UC QPs Leon Romanovsky

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