netdev - [PATCH net-next v3 05/10] net: ti: icssg-prueth: Add SR1.0-specific description bits

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Message-ID: <20240221152421.112324-6-diogo.ivo@siemens.com>
Date: Wed, 21 Feb 2024 15:24:11 +0000
From: Diogo Ivo <diogo.ivo@...mens.com>
To: danishanwar@...com,
	rogerq@...nel.org,
	davem@...emloft.net,
	edumazet@...gle.com,
	kuba@...nel.org,
	pabeni@...hat.com,
	andrew@...n.ch,
	linux-arm-kernel@...ts.infradead.org,
	netdev@...r.kernel.org
Cc: Diogo Ivo <diogo.ivo@...mens.com>,
	jan.kiszka@...mens.com
Subject: [PATCH net-next v3 05/10] net: ti: icssg-prueth: Add SR1.0-specific description bits

Add a field to distinguish between SR1.0 and SR2.0 in the driver
as well as the necessary structures to program SR1.0.

Based on the work of Roger Quadros in TI's 5.10 SDK [1].

[1]: https://git.ti.com/cgit/ti-linux-kernel/ti-linux-kernel/tree/?h=ti-linux-5.10.y

Co-developed-by: Jan Kiszka <jan.kiszka@...mens.com>
Signed-off-by: Jan Kiszka <jan.kiszka@...mens.com>
Signed-off-by: Diogo Ivo <diogo.ivo@...mens.com>
---
 drivers/net/ethernet/ti/icssg/icssg_prueth.h | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/drivers/net/ethernet/ti/icssg/icssg_prueth.h b/drivers/net/ethernet/ti/icssg/icssg_prueth.h
index 5d792e9bade0..a8192e408941 100644
--- a/drivers/net/ethernet/ti/icssg/icssg_prueth.h
+++ b/drivers/net/ethernet/ti/icssg/icssg_prueth.h
@@ -129,6 +129,7 @@ struct prueth_rx_chn {
 
 /* data for each emac port */
 struct prueth_emac {
+	bool is_sr1;
 	bool fw_running;
 	struct prueth *prueth;
 	struct net_device *ndev;
@@ -157,6 +158,10 @@ struct prueth_emac {
 	int rx_flow_id_base;
 	int tx_ch_num;
 
+	/* SR1.0 Management channel */
+	struct prueth_rx_chn rx_mgm_chn;
+	int rx_mgm_flow_id_base;
+
 	spinlock_t lock;	/* serialize access */
 
 	/* TX HW Timestamping */
@@ -251,6 +256,13 @@ struct emac_tx_ts_response {
 	u32 hi_ts;
 };
 
+struct emac_tx_ts_response_sr1 {
+	u32 lo_ts;
+	u32 hi_ts;
+	u32 reserved;
+	u32 cookie;
+};
+
 /* get PRUSS SLICE number from prueth_emac */
 static inline int prueth_emac_slice(struct prueth_emac *emac)
 {
-- 
2.43.2