netdev - [RFC PATCH net-next 3/3] sfc: remove 'log-tc-errors' ethtool private flag

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Message-ID: <7f21319d25833b4bd8b34615d1aa91465c5a8481.1665147129.git.ecree.xilinx@gmail.com>
Date:   Fri, 7 Oct 2022 14:25:14 +0100
From:   <ecree@...inx.com>
To:     <netdev@...r.kernel.org>, <linux-net-drivers@....com>
CC:     <davem@...emloft.net>, <kuba@...nel.org>, <pabeni@...hat.com>,
        <edumazet@...gle.com>, <habetsm.xilinx@...il.com>,
        <johannes@...solutions.net>, <marcelo.leitner@...il.com>,
        Edward Cree <ecree.xilinx@...il.com>
Subject: [RFC PATCH net-next 3/3] sfc: remove 'log-tc-errors' ethtool private flag

From: Edward Cree <ecree.xilinx@...il.com>

It no longer does anything now that we're using formatted extacks instead.
So we can remove the driver's whole get/set priv_flags implementation.

Signed-off-by: Edward Cree <ecree.xilinx@...il.com>
---
 drivers/net/ethernet/sfc/ef100_ethtool.c  |  2 --
 drivers/net/ethernet/sfc/ethtool_common.c | 37 -----------------------
 drivers/net/ethernet/sfc/ethtool_common.h |  2 --
 drivers/net/ethernet/sfc/net_driver.h     |  2 --
 4 files changed, 43 deletions(-)

diff --git a/drivers/net/ethernet/sfc/ef100_ethtool.c b/drivers/net/ethernet/sfc/ef100_ethtool.c
index 135ece2f1375..702abbe59b76 100644
--- a/drivers/net/ethernet/sfc/ef100_ethtool.c
+++ b/drivers/net/ethernet/sfc/ef100_ethtool.c
@@ -43,8 +43,6 @@ const struct ethtool_ops ef100_ethtool_ops = {
 	.get_pauseparam         = efx_ethtool_get_pauseparam,
 	.set_pauseparam         = efx_ethtool_set_pauseparam,
 	.get_sset_count		= efx_ethtool_get_sset_count,
-	.get_priv_flags		= efx_ethtool_get_priv_flags,
-	.set_priv_flags		= efx_ethtool_set_priv_flags,
 	.self_test		= efx_ethtool_self_test,
 	.get_strings		= efx_ethtool_get_strings,
 	.get_link_ksettings	= efx_ethtool_get_link_ksettings,
diff --git a/drivers/net/ethernet/sfc/ethtool_common.c b/drivers/net/ethernet/sfc/ethtool_common.c
index 6649a2327d03..a8cbceeb301b 100644
--- a/drivers/net/ethernet/sfc/ethtool_common.c
+++ b/drivers/net/ethernet/sfc/ethtool_common.c
@@ -101,14 +101,6 @@ static const struct efx_sw_stat_desc efx_sw_stat_desc[] = {
 
 #define EFX_ETHTOOL_SW_STAT_COUNT ARRAY_SIZE(efx_sw_stat_desc)
 
-static const char efx_ethtool_priv_flags_strings[][ETH_GSTRING_LEN] = {
-	"log-tc-errors",
-};
-
-#define EFX_ETHTOOL_PRIV_FLAGS_LOG_TC_ERRS		BIT(0)
-
-#define EFX_ETHTOOL_PRIV_FLAGS_COUNT ARRAY_SIZE(efx_ethtool_priv_flags_strings)
-
 void efx_ethtool_get_drvinfo(struct net_device *net_dev,
 			     struct ethtool_drvinfo *info)
 {
@@ -460,8 +452,6 @@ int efx_ethtool_get_sset_count(struct net_device *net_dev, int string_set)
 		       efx_ptp_describe_stats(efx, NULL);
 	case ETH_SS_TEST:
 		return efx_ethtool_fill_self_tests(efx, NULL, NULL, NULL);
-	case ETH_SS_PRIV_FLAGS:
-		return EFX_ETHTOOL_PRIV_FLAGS_COUNT;
 	default:
 		return -EINVAL;
 	}
@@ -488,39 +478,12 @@ void efx_ethtool_get_strings(struct net_device *net_dev,
 	case ETH_SS_TEST:
 		efx_ethtool_fill_self_tests(efx, NULL, strings, NULL);
 		break;
-	case ETH_SS_PRIV_FLAGS:
-		for (i = 0; i < EFX_ETHTOOL_PRIV_FLAGS_COUNT; i++)
-			strscpy(strings + i * ETH_GSTRING_LEN,
-				efx_ethtool_priv_flags_strings[i],
-				ETH_GSTRING_LEN);
-		break;
 	default:
 		/* No other string sets */
 		break;
 	}
 }
 
-u32 efx_ethtool_get_priv_flags(struct net_device *net_dev)
-{
-	struct efx_nic *efx = efx_netdev_priv(net_dev);
-	u32 ret_flags = 0;
-
-	if (efx->log_tc_errs)
-		ret_flags |= EFX_ETHTOOL_PRIV_FLAGS_LOG_TC_ERRS;
-
-	return ret_flags;
-}
-
-int efx_ethtool_set_priv_flags(struct net_device *net_dev, u32 flags)
-{
-	struct efx_nic *efx = efx_netdev_priv(net_dev);
-
-	efx->log_tc_errs =
-		!!(flags & EFX_ETHTOOL_PRIV_FLAGS_LOG_TC_ERRS);
-
-	return 0;
-}
-
 void efx_ethtool_get_stats(struct net_device *net_dev,
 			   struct ethtool_stats *stats,
 			   u64 *data)
diff --git a/drivers/net/ethernet/sfc/ethtool_common.h b/drivers/net/ethernet/sfc/ethtool_common.h
index 0afc74021a5e..659491932101 100644
--- a/drivers/net/ethernet/sfc/ethtool_common.h
+++ b/drivers/net/ethernet/sfc/ethtool_common.h
@@ -27,8 +27,6 @@ int efx_ethtool_fill_self_tests(struct efx_nic *efx,
 int efx_ethtool_get_sset_count(struct net_device *net_dev, int string_set);
 void efx_ethtool_get_strings(struct net_device *net_dev, u32 string_set,
 			     u8 *strings);
-u32 efx_ethtool_get_priv_flags(struct net_device *net_dev);
-int efx_ethtool_set_priv_flags(struct net_device *net_dev, u32 flags);
 void efx_ethtool_get_stats(struct net_device *net_dev,
 			   struct ethtool_stats *stats __attribute__ ((unused)),
 			   u64 *data);
diff --git a/drivers/net/ethernet/sfc/net_driver.h b/drivers/net/ethernet/sfc/net_driver.h
index 2e9ba0cfe848..7ef823d7a89a 100644
--- a/drivers/net/ethernet/sfc/net_driver.h
+++ b/drivers/net/ethernet/sfc/net_driver.h
@@ -855,7 +855,6 @@ enum efx_xdp_tx_queues_mode {
  * @timer_max_ns: Interrupt timer maximum value, in nanoseconds
  * @irq_rx_adaptive: Adaptive IRQ moderation enabled for RX event queues
  * @irqs_hooked: Channel interrupts are hooked
- * @log_tc_errs: Error logging for TC filter insertion is enabled
  * @irq_rx_mod_step_us: Step size for IRQ moderation for RX event queues
  * @irq_rx_moderation_us: IRQ moderation time for RX event queues
  * @msg_enable: Log message enable flags
@@ -1018,7 +1017,6 @@ struct efx_nic {
 	unsigned int timer_max_ns;
 	bool irq_rx_adaptive;
 	bool irqs_hooked;
-	bool log_tc_errs;
 	unsigned int irq_mod_step_us;
 	unsigned int irq_rx_moderation_us;
 	u32 msg_enable;