linux-kernel - [PATCH V3 10/10] bnxt_en: Pass NQ ID to the FW when allocating RX/RX AGG rings

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Message-ID: <20240717205511.2541693-11-wei.huang2@amd.com>
Date: Wed, 17 Jul 2024 15:55:11 -0500
From: Wei Huang <wei.huang2@....com>
To: <linux-pci@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	<linux-doc@...r.kernel.org>, <netdev@...r.kernel.org>
CC: <Jonathan.Cameron@...wei.com>, <helgaas@...nel.org>, <corbet@....net>,
	<davem@...emloft.net>, <edumazet@...gle.com>, <kuba@...nel.org>,
	<pabeni@...hat.com>, <alex.williamson@...hat.com>, <gospo@...adcom.com>,
	<michael.chan@...adcom.com>, <ajit.khaparde@...adcom.com>,
	<somnath.kotur@...adcom.com>, <andrew.gospodarek@...adcom.com>,
	<manoj.panicker2@....com>, <Eric.VanTassell@....com>, <wei.huang2@....com>,
	<vadim.fedorenko@...ux.dev>, <horms@...nel.org>, <bagasdotme@...il.com>,
	<bhelgaas@...gle.com>
Subject: [PATCH V3 10/10] bnxt_en: Pass NQ ID to the FW when allocating RX/RX AGG rings

From: Michael Chan <michael.chan@...adcom.com>

Newer firmware can use the NQ ring ID associated with each RX/RX AGG
ring to enable PCIe steering tag.  Older firmware will just ignore the
information.

Signed-off-by: Michael Chan <michael.chan@...adcom.com>
Signed-off-by: Andy Gospodarek <andrew.gospodarek@...adcom.com>
Reviewed-by: Hongguang Gao <hongguang.gao@...adcom.com>
Reviewed-by: Ajit Khaparde <ajit.khaparde@...adcom.com>
---
 drivers/net/ethernet/broadcom/bnxt/bnxt.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
index 2207dac8ce18..308b4747d041 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
@@ -6699,10 +6699,12 @@ static int hwrm_ring_alloc_send_msg(struct bnxt *bp,
 
 			/* Association of rx ring with stats context */
 			grp_info = &bp->grp_info[ring->grp_idx];
+			req->nq_ring_id = cpu_to_le16(grp_info->cp_fw_ring_id);
 			req->rx_buf_size = cpu_to_le16(bp->rx_buf_use_size);
 			req->stat_ctx_id = cpu_to_le32(grp_info->fw_stats_ctx);
 			req->enables |= cpu_to_le32(
-				RING_ALLOC_REQ_ENABLES_RX_BUF_SIZE_VALID);
+				RING_ALLOC_REQ_ENABLES_RX_BUF_SIZE_VALID |
+				RING_ALLOC_REQ_ENABLES_NQ_RING_ID_VALID);
 			if (NET_IP_ALIGN == 2)
 				flags = RING_ALLOC_REQ_FLAGS_RX_SOP_PAD;
 			req->flags = cpu_to_le16(flags);
@@ -6714,11 +6716,13 @@ static int hwrm_ring_alloc_send_msg(struct bnxt *bp,
 			/* Association of agg ring with rx ring */
 			grp_info = &bp->grp_info[ring->grp_idx];
 			req->rx_ring_id = cpu_to_le16(grp_info->rx_fw_ring_id);
+			req->nq_ring_id = cpu_to_le16(grp_info->cp_fw_ring_id);
 			req->rx_buf_size = cpu_to_le16(BNXT_RX_PAGE_SIZE);
 			req->stat_ctx_id = cpu_to_le32(grp_info->fw_stats_ctx);
 			req->enables |= cpu_to_le32(
 				RING_ALLOC_REQ_ENABLES_RX_RING_ID_VALID |
-				RING_ALLOC_REQ_ENABLES_RX_BUF_SIZE_VALID);
+				RING_ALLOC_REQ_ENABLES_RX_BUF_SIZE_VALID |
+				RING_ALLOC_REQ_ENABLES_NQ_RING_ID_VALID);
 		} else {
 			req->ring_type = RING_ALLOC_REQ_RING_TYPE_RX;
 		}
-- 
2.45.1