netdev - [PATCH v2 net-next] bnx2x: convert EEE handling to use linkmode bitmaps

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Message-ID: <948562fb-c5d8-4912-8b88-bec56238732a@gmail.com>
Date: Wed, 7 Feb 2024 17:35:28 +0100
From: Heiner Kallweit <hkallweit1@...il.com>
To: Jakub Kicinski <kuba@...nel.org>, Eric Dumazet <edumazet@...gle.com>,
 Paolo Abeni <pabeni@...hat.com>, David Miller <davem@...emloft.net>,
 Andrew Lunn <andrew@...n.ch>,
 Russell King - ARM Linux <linux@...linux.org.uk>,
 Ariel Elior <aelior@...vell.com>, Sudarsana Kalluru <skalluru@...vell.com>,
 Manish Chopra <manishc@...vell.com>
Cc: "netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: [PATCH v2 net-next] bnx2x: convert EEE handling to use linkmode
 bitmaps

Convert EEE handling to use linkmode bitmaps. This prepares for
removing the legacy bitmaps from struct ethtool_keee.
No functional change intended.

Signed-off-by: Heiner Kallweit <hkallweit1@...il.com>
---
v2:
- remove not needed linkmode_zero in bnx2x_eee_to_linkmode()
---
 .../ethernet/broadcom/bnx2x/bnx2x_ethtool.c   | 44 +++++++++----------
 1 file changed, 21 insertions(+), 23 deletions(-)

diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c
index 5f0e1759d..58956ed8f 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c
@@ -2081,28 +2081,25 @@ static const char bnx2x_private_arr[BNX2X_PRI_FLAG_LEN][ETH_GSTRING_LEN] = {
 	"Storage only interface"
 };
 
-static u32 bnx2x_eee_to_adv(u32 eee_adv)
+static void bnx2x_eee_to_linkmode(unsigned long *mode, u32 eee_adv)
 {
-	u32 modes = 0;
-
 	if (eee_adv & SHMEM_EEE_100M_ADV)
-		modes |= ADVERTISED_100baseT_Full;
+		linkmode_set_bit(ETHTOOL_LINK_MODE_100baseT_Full_BIT, mode);
 	if (eee_adv & SHMEM_EEE_1G_ADV)
-		modes |= ADVERTISED_1000baseT_Full;
+		linkmode_set_bit(ETHTOOL_LINK_MODE_1000baseT_Full_BIT, mode);
 	if (eee_adv & SHMEM_EEE_10G_ADV)
-		modes |= ADVERTISED_10000baseT_Full;
-
-	return modes;
+		linkmode_set_bit(ETHTOOL_LINK_MODE_10000baseT_Full_BIT, mode);
 }
 
-static u32 bnx2x_adv_to_eee(u32 modes, u32 shift)
+static u32 bnx2x_linkmode_to_eee(const unsigned long *mode, u32 shift)
 {
 	u32 eee_adv = 0;
-	if (modes & ADVERTISED_100baseT_Full)
+
+	if (linkmode_test_bit(ETHTOOL_LINK_MODE_100baseT_Full_BIT, mode))
 		eee_adv |= SHMEM_EEE_100M_ADV;
-	if (modes & ADVERTISED_1000baseT_Full)
+	if (linkmode_test_bit(ETHTOOL_LINK_MODE_1000baseT_Full_BIT, mode))
 		eee_adv |= SHMEM_EEE_1G_ADV;
-	if (modes & ADVERTISED_10000baseT_Full)
+	if (linkmode_test_bit(ETHTOOL_LINK_MODE_10000baseT_Full_BIT, mode))
 		eee_adv |= SHMEM_EEE_10G_ADV;
 
 	return eee_adv << shift;
@@ -2120,16 +2117,17 @@ static int bnx2x_get_eee(struct net_device *dev, struct ethtool_keee *edata)
 
 	eee_cfg = bp->link_vars.eee_status;
 
-	edata->supported_u32 =
-		bnx2x_eee_to_adv((eee_cfg & SHMEM_EEE_SUPPORTED_MASK) >>
-				 SHMEM_EEE_SUPPORTED_SHIFT);
+	bnx2x_eee_to_linkmode(edata->supported,
+			      (eee_cfg & SHMEM_EEE_SUPPORTED_MASK) >>
+			      SHMEM_EEE_SUPPORTED_SHIFT);
+
+	bnx2x_eee_to_linkmode(edata->advertised,
+			      (eee_cfg & SHMEM_EEE_ADV_STATUS_MASK) >>
+			      SHMEM_EEE_ADV_STATUS_SHIFT);
 
-	edata->advertised_u32 =
-		bnx2x_eee_to_adv((eee_cfg & SHMEM_EEE_ADV_STATUS_MASK) >>
-				 SHMEM_EEE_ADV_STATUS_SHIFT);
-	edata->lp_advertised_u32 =
-		bnx2x_eee_to_adv((eee_cfg & SHMEM_EEE_LP_ADV_STATUS_MASK) >>
-				 SHMEM_EEE_LP_ADV_STATUS_SHIFT);
+	bnx2x_eee_to_linkmode(edata->lp_advertised,
+			      (eee_cfg & SHMEM_EEE_LP_ADV_STATUS_MASK) >>
+			      SHMEM_EEE_LP_ADV_STATUS_SHIFT);
 
 	/* SHMEM value is in 16u units --> Convert to 1u units. */
 	edata->tx_lpi_timer = (eee_cfg & SHMEM_EEE_TIMER_MASK) << 4;
@@ -2162,8 +2160,8 @@ static int bnx2x_set_eee(struct net_device *dev, struct ethtool_keee *edata)
 		return -EOPNOTSUPP;
 	}
 
-	advertised = bnx2x_adv_to_eee(edata->advertised_u32,
-				      SHMEM_EEE_ADV_STATUS_SHIFT);
+	advertised = bnx2x_linkmode_to_eee(edata->advertised,
+					   SHMEM_EEE_ADV_STATUS_SHIFT);
 	if ((advertised != (eee_cfg & SHMEM_EEE_ADV_STATUS_MASK))) {
 		DP(BNX2X_MSG_ETHTOOL,
 		   "Direct manipulation of EEE advertisement is not supported\n");
-- 
2.43.0