netdev - [PATCH net-next 04/14] sfc: move mac configuration and status functions

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Wed, 8 Jan 2020 16:11:13 +0000
From:   "Alex Maftei (amaftei)" <amaftei@...arflare.com>
To:     <netdev@...r.kernel.org>, <davem@...emloft.net>
CC:     <linux-net-drivers@...arflare.com>, <scrum-linux@...arflare.com>
Subject: [PATCH net-next 04/14] sfc: move mac configuration and status
 functions

Two small functions with different purposes.

Signed-off-by: Alexandru-Mihai Maftei <amaftei@...arflare.com>
---
 drivers/net/ethernet/sfc/efx.c        | 44 --------------------------
 drivers/net/ethernet/sfc/efx_common.c | 45 +++++++++++++++++++++++++++
 2 files changed, 45 insertions(+), 44 deletions(-)

diff --git a/drivers/net/ethernet/sfc/efx.c b/drivers/net/ethernet/sfc/efx.c
index c881e35b0477..752470baf4be 100644
--- a/drivers/net/ethernet/sfc/efx.c
+++ b/drivers/net/ethernet/sfc/efx.c
@@ -935,40 +935,6 @@ void efx_channel_dummy_op_void(struct efx_channel *channel)
  *
  **************************************************************************/
 
-/* This ensures that the kernel is kept informed (via
- * netif_carrier_on/off) of the link status, and also maintains the
- * link status's stop on the port's TX queue.
- */
-void efx_link_status_changed(struct efx_nic *efx)
-{
-	struct efx_link_state *link_state = &efx->link_state;
-
-	/* SFC Bug 5356: A net_dev notifier is registered, so we must ensure
-	 * that no events are triggered between unregister_netdev() and the
-	 * driver unloading. A more general condition is that NETDEV_CHANGE
-	 * can only be generated between NETDEV_UP and NETDEV_DOWN */
-	if (!netif_running(efx->net_dev))
-		return;
-
-	if (link_state->up != netif_carrier_ok(efx->net_dev)) {
-		efx->n_link_state_changes++;
-
-		if (link_state->up)
-			netif_carrier_on(efx->net_dev);
-		else
-			netif_carrier_off(efx->net_dev);
-	}
-
-	/* Status message for kernel log */
-	if (link_state->up)
-		netif_info(efx, link, efx->net_dev,
-			   "link up at %uMbps %s-duplex (MTU %d)\n",
-			   link_state->speed, link_state->fd ? "full" : "half",
-			   efx->net_dev->mtu);
-	else
-		netif_info(efx, link, efx->net_dev, "link down\n");
-}
-
 void efx_link_set_advertising(struct efx_nic *efx,
 			      const unsigned long *advertising)
 {
@@ -1010,16 +976,6 @@ void efx_link_set_wanted_fc(struct efx_nic *efx, u8 wanted_fc)
 
 static void efx_fini_port(struct efx_nic *efx);
 
-/* We assume that efx->type->reconfigure_mac will always try to sync RX
- * filters and therefore needs to read-lock the filter table against freeing
- */
-void efx_mac_reconfigure(struct efx_nic *efx)
-{
-	down_read(&efx->filter_sem);
-	efx->type->reconfigure_mac(efx);
-	up_read(&efx->filter_sem);
-}
-
 /* Push loopback/power/transmit disable settings to the PHY, and reconfigure
  * the MAC appropriately. All other PHY configuration changes are pushed
  * through phy_op->set_settings(), and pushed asynchronously to the MAC
diff --git a/drivers/net/ethernet/sfc/efx_common.c b/drivers/net/ethernet/sfc/efx_common.c
index 5cadfba37fc4..be8e80c9d513 100644
--- a/drivers/net/ethernet/sfc/efx_common.c
+++ b/drivers/net/ethernet/sfc/efx_common.c
@@ -56,3 +56,48 @@ void efx_destroy_reset_workqueue(void)
 		reset_workqueue = NULL;
 	}
 }
+
+/* We assume that efx->type->reconfigure_mac will always try to sync RX
+ * filters and therefore needs to read-lock the filter table against freeing
+ */
+void efx_mac_reconfigure(struct efx_nic *efx)
+{
+	down_read(&efx->filter_sem);
+	efx->type->reconfigure_mac(efx);
+	up_read(&efx->filter_sem);
+}
+
+/* This ensures that the kernel is kept informed (via
+ * netif_carrier_on/off) of the link status, and also maintains the
+ * link status's stop on the port's TX queue.
+ */
+void efx_link_status_changed(struct efx_nic *efx)
+{
+	struct efx_link_state *link_state = &efx->link_state;
+
+	/* SFC Bug 5356: A net_dev notifier is registered, so we must ensure
+	 * that no events are triggered between unregister_netdev() and the
+	 * driver unloading. A more general condition is that NETDEV_CHANGE
+	 * can only be generated between NETDEV_UP and NETDEV_DOWN
+	 */
+	if (!netif_running(efx->net_dev))
+		return;
+
+	if (link_state->up != netif_carrier_ok(efx->net_dev)) {
+		efx->n_link_state_changes++;
+
+		if (link_state->up)
+			netif_carrier_on(efx->net_dev);
+		else
+			netif_carrier_off(efx->net_dev);
+	}
+
+	/* Status message for kernel log */
+	if (link_state->up)
+		netif_info(efx, link, efx->net_dev,
+			   "link up at %uMbps %s-duplex (MTU %d)\n",
+			   link_state->speed, link_state->fd ? "full" : "half",
+			   efx->net_dev->mtu);
+	else
+		netif_info(efx, link, efx->net_dev, "link down\n");
+}
-- 
2.20.1