[PATCH net-next v2 1/6] tsnep: Add adapter down state
From: Gerhard Engleder <hidden>
Date: 2022-12-08 05:41:12
Also in:
bpf
Subsystem:
networking drivers, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
Add adapter state with flag for down state. This flag will be used by the XDP TX path to deny TX if adapter is down. Signed-off-by: Gerhard Engleder <redacted> --- drivers/net/ethernet/engleder/tsnep.h | 1 + drivers/net/ethernet/engleder/tsnep_main.c | 11 +++++++++++ 2 files changed, 12 insertions(+)
diff --git a/drivers/net/ethernet/engleder/tsnep.h b/drivers/net/ethernet/engleder/tsnep.h
index f93ba48bac3f..f72c0c4da1a9 100644
--- a/drivers/net/ethernet/engleder/tsnep.h
+++ b/drivers/net/ethernet/engleder/tsnep.h@@ -148,6 +148,7 @@ struct tsnep_adapter { phy_interface_t phy_mode; struct phy_device *phydev; int msg_enable; + unsigned long state; struct platform_device *pdev; struct device *dmadev;
diff --git a/drivers/net/ethernet/engleder/tsnep_main.c b/drivers/net/ethernet/engleder/tsnep_main.c
index bf0190e1d2ea..a28fde9fb060 100644
--- a/drivers/net/ethernet/engleder/tsnep_main.c
+++ b/drivers/net/ethernet/engleder/tsnep_main.c@@ -43,6 +43,10 @@ #define TSNEP_COALESCE_USECS_MAX ((ECM_INT_DELAY_MASK >> ECM_INT_DELAY_SHIFT) * \ ECM_INT_DELAY_BASE_US + ECM_INT_DELAY_BASE_US - 1) +enum { + __TSNEP_DOWN, +}; + static void tsnep_enable_irq(struct tsnep_adapter *adapter, u32 mask) { iowrite32(mask, adapter->addr + ECM_INT_ENABLE);
@@ -1143,6 +1147,8 @@ static int tsnep_netdev_open(struct net_device *netdev) tsnep_enable_irq(adapter, adapter->queue[i].irq_mask); } + clear_bit(__TSNEP_DOWN, &adapter->state); + return 0; phy_failed:
@@ -1165,6 +1171,8 @@ static int tsnep_netdev_close(struct net_device *netdev) struct tsnep_adapter *adapter = netdev_priv(netdev); int i; + set_bit(__TSNEP_DOWN, &adapter->state); + tsnep_disable_irq(adapter, ECM_INT_LINK); tsnep_phy_close(adapter);
@@ -1518,6 +1526,7 @@ static int tsnep_probe(struct platform_device *pdev) adapter->msg_enable = NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_LINK | NETIF_MSG_IFUP | NETIF_MSG_IFDOWN | NETIF_MSG_TX_QUEUED; + set_bit(__TSNEP_DOWN, &adapter->state); netdev->min_mtu = ETH_MIN_MTU; netdev->max_mtu = TSNEP_MAX_FRAME_SIZE;
@@ -1614,6 +1623,8 @@ static int tsnep_remove(struct platform_device *pdev) { struct tsnep_adapter *adapter = platform_get_drvdata(pdev); + set_bit(__TSNEP_DOWN, &adapter->state); + unregister_netdev(adapter->netdev); tsnep_rxnfc_cleanup(adapter);
--
2.30.2