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path: root/drivers/net/ethernet/xilinx
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Diffstat (limited to 'drivers/net/ethernet/xilinx')
-rw-r--r--drivers/net/ethernet/xilinx/xilinx_axienet.h20
-rw-r--r--drivers/net/ethernet/xilinx/xilinx_axienet_main.c33
2 files changed, 33 insertions, 20 deletions
diff --git a/drivers/net/ethernet/xilinx/xilinx_axienet.h b/drivers/net/ethernet/xilinx/xilinx_axienet.h
index fa5500decc96..1223fcc1a8da 100644
--- a/drivers/net/ethernet/xilinx/xilinx_axienet.h
+++ b/drivers/net/ethernet/xilinx/xilinx_axienet.h
@@ -160,16 +160,17 @@
#define XAE_RCW1_OFFSET 0x00000404 /* Rx Configuration Word 1 */
#define XAE_TC_OFFSET 0x00000408 /* Tx Configuration */
#define XAE_FCC_OFFSET 0x0000040C /* Flow Control Configuration */
-#define XAE_EMMC_OFFSET 0x00000410 /* EMAC mode configuration */
-#define XAE_PHYC_OFFSET 0x00000414 /* RGMII/SGMII configuration */
+#define XAE_EMMC_OFFSET 0x00000410 /* MAC speed configuration */
+#define XAE_PHYC_OFFSET 0x00000414 /* RX Max Frame Configuration */
#define XAE_ID_OFFSET 0x000004F8 /* Identification register */
-#define XAE_MDIO_MC_OFFSET 0x00000500 /* MII Management Config */
-#define XAE_MDIO_MCR_OFFSET 0x00000504 /* MII Management Control */
-#define XAE_MDIO_MWD_OFFSET 0x00000508 /* MII Management Write Data */
-#define XAE_MDIO_MRD_OFFSET 0x0000050C /* MII Management Read Data */
+#define XAE_MDIO_MC_OFFSET 0x00000500 /* MDIO Setup */
+#define XAE_MDIO_MCR_OFFSET 0x00000504 /* MDIO Control */
+#define XAE_MDIO_MWD_OFFSET 0x00000508 /* MDIO Write Data */
+#define XAE_MDIO_MRD_OFFSET 0x0000050C /* MDIO Read Data */
#define XAE_UAW0_OFFSET 0x00000700 /* Unicast address word 0 */
#define XAE_UAW1_OFFSET 0x00000704 /* Unicast address word 1 */
-#define XAE_FMI_OFFSET 0x00000708 /* Filter Mask Index */
+#define XAE_FMI_OFFSET 0x00000708 /* Frame Filter Control */
+#define XAE_FFE_OFFSET 0x0000070C /* Frame Filter Enable */
#define XAE_AF0_OFFSET 0x00000710 /* Address Filter 0 */
#define XAE_AF1_OFFSET 0x00000714 /* Address Filter 1 */
@@ -308,7 +309,7 @@
*/
#define XAE_UAW1_UNICASTADDR_MASK 0x0000FFFF
-/* Bit masks for Axi Ethernet FMI register */
+/* Bit masks for Axi Ethernet FMC register */
#define XAE_FMI_PM_MASK 0x80000000 /* Promis. mode enable */
#define XAE_FMI_IND_MASK 0x00000003 /* Index Mask */
@@ -435,6 +436,8 @@ struct skbuf_dma_descriptor {
* @tx_bytes: TX byte count for statistics
* @tx_stat_sync: Synchronization object for TX stats
* @dma_err_task: Work structure to process Axi DMA errors
+ * @stopping: Set when @dma_err_task shouldn't do anything because we are
+ * about to stop the device.
* @tx_irq: Axidma TX IRQ number
* @rx_irq: Axidma RX IRQ number
* @eth_irq: Ethernet core IRQ number
@@ -506,6 +509,7 @@ struct axienet_local {
struct u64_stats_sync tx_stat_sync;
struct work_struct dma_err_task;
+ bool stopping;
int tx_irq;
int rx_irq;
diff --git a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c
index 02fdf66e07fa..9eb300fc3590 100644
--- a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c
+++ b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c
@@ -432,7 +432,7 @@ static int netdev_set_mac_address(struct net_device *ndev, void *p)
*/
static void axienet_set_multicast_list(struct net_device *ndev)
{
- int i;
+ int i = 0;
u32 reg, af0reg, af1reg;
struct axienet_local *lp = netdev_priv(ndev);
@@ -450,7 +450,10 @@ static void axienet_set_multicast_list(struct net_device *ndev)
} else if (!netdev_mc_empty(ndev)) {
struct netdev_hw_addr *ha;
- i = 0;
+ reg = axienet_ior(lp, XAE_FMI_OFFSET);
+ reg &= ~XAE_FMI_PM_MASK;
+ axienet_iow(lp, XAE_FMI_OFFSET, reg);
+
netdev_for_each_mc_addr(ha, ndev) {
if (i >= XAE_MULTICAST_CAM_TABLE_NUM)
break;
@@ -469,6 +472,7 @@ static void axienet_set_multicast_list(struct net_device *ndev)
axienet_iow(lp, XAE_FMI_OFFSET, reg);
axienet_iow(lp, XAE_AF0_OFFSET, af0reg);
axienet_iow(lp, XAE_AF1_OFFSET, af1reg);
+ axienet_iow(lp, XAE_FFE_OFFSET, 1);
i++;
}
} else {
@@ -476,18 +480,15 @@ static void axienet_set_multicast_list(struct net_device *ndev)
reg &= ~XAE_FMI_PM_MASK;
axienet_iow(lp, XAE_FMI_OFFSET, reg);
-
- for (i = 0; i < XAE_MULTICAST_CAM_TABLE_NUM; i++) {
- reg = axienet_ior(lp, XAE_FMI_OFFSET) & 0xFFFFFF00;
- reg |= i;
-
- axienet_iow(lp, XAE_FMI_OFFSET, reg);
- axienet_iow(lp, XAE_AF0_OFFSET, 0);
- axienet_iow(lp, XAE_AF1_OFFSET, 0);
- }
-
dev_info(&ndev->dev, "Promiscuous mode disabled.\n");
}
+
+ for (; i < XAE_MULTICAST_CAM_TABLE_NUM; i++) {
+ reg = axienet_ior(lp, XAE_FMI_OFFSET) & 0xFFFFFF00;
+ reg |= i;
+ axienet_iow(lp, XAE_FMI_OFFSET, reg);
+ axienet_iow(lp, XAE_FFE_OFFSET, 0);
+ }
}
/**
@@ -1459,6 +1460,7 @@ static int axienet_init_legacy_dma(struct net_device *ndev)
struct axienet_local *lp = netdev_priv(ndev);
/* Enable worker thread for Axi DMA error handling */
+ lp->stopping = false;
INIT_WORK(&lp->dma_err_task, axienet_dma_err_handler);
napi_enable(&lp->napi_rx);
@@ -1579,6 +1581,9 @@ static int axienet_stop(struct net_device *ndev)
dev_dbg(&ndev->dev, "axienet_close()\n");
if (!lp->use_dmaengine) {
+ WRITE_ONCE(lp->stopping, true);
+ flush_work(&lp->dma_err_task);
+
napi_disable(&lp->napi_tx);
napi_disable(&lp->napi_rx);
}
@@ -2153,6 +2158,10 @@ static void axienet_dma_err_handler(struct work_struct *work)
dma_err_task);
struct net_device *ndev = lp->ndev;
+ /* Don't bother if we are going to stop anyway */
+ if (READ_ONCE(lp->stopping))
+ return;
+
napi_disable(&lp->napi_tx);
napi_disable(&lp->napi_rx);