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path: root/drivers/net/ethernet/freescale/fec_main.c
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Diffstat (limited to 'drivers/net/ethernet/freescale/fec_main.c')
-rw-r--r--drivers/net/ethernet/freescale/fec_main.c45
1 files changed, 29 insertions, 16 deletions
diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c
index f3b16a6673e2..42ec6ca3bf03 100644
--- a/drivers/net/ethernet/freescale/fec_main.c
+++ b/drivers/net/ethernet/freescale/fec_main.c
@@ -100,18 +100,19 @@ struct fec_devinfo {
static const struct fec_devinfo fec_imx25_info = {
.quirks = FEC_QUIRK_USE_GASKET | FEC_QUIRK_MIB_CLEAR |
- FEC_QUIRK_HAS_FRREG,
+ FEC_QUIRK_HAS_FRREG | FEC_QUIRK_HAS_MDIO_C45,
};
static const struct fec_devinfo fec_imx27_info = {
- .quirks = FEC_QUIRK_MIB_CLEAR | FEC_QUIRK_HAS_FRREG,
+ .quirks = FEC_QUIRK_MIB_CLEAR | FEC_QUIRK_HAS_FRREG |
+ FEC_QUIRK_HAS_MDIO_C45,
};
static const struct fec_devinfo fec_imx28_info = {
.quirks = FEC_QUIRK_ENET_MAC | FEC_QUIRK_SWAP_FRAME |
FEC_QUIRK_SINGLE_MDIO | FEC_QUIRK_HAS_RACC |
FEC_QUIRK_HAS_FRREG | FEC_QUIRK_CLEAR_SETUP_MII |
- FEC_QUIRK_NO_HARD_RESET,
+ FEC_QUIRK_NO_HARD_RESET | FEC_QUIRK_HAS_MDIO_C45,
};
static const struct fec_devinfo fec_imx6q_info = {
@@ -119,11 +120,12 @@ static const struct fec_devinfo fec_imx6q_info = {
FEC_QUIRK_HAS_BUFDESC_EX | FEC_QUIRK_HAS_CSUM |
FEC_QUIRK_HAS_VLAN | FEC_QUIRK_ERR006358 |
FEC_QUIRK_HAS_RACC | FEC_QUIRK_CLEAR_SETUP_MII |
- FEC_QUIRK_HAS_PMQOS,
+ FEC_QUIRK_HAS_PMQOS | FEC_QUIRK_HAS_MDIO_C45,
};
static const struct fec_devinfo fec_mvf600_info = {
- .quirks = FEC_QUIRK_ENET_MAC | FEC_QUIRK_HAS_RACC,
+ .quirks = FEC_QUIRK_ENET_MAC | FEC_QUIRK_HAS_RACC |
+ FEC_QUIRK_HAS_MDIO_C45,
};
static const struct fec_devinfo fec_imx6x_info = {
@@ -132,7 +134,8 @@ static const struct fec_devinfo fec_imx6x_info = {
FEC_QUIRK_HAS_VLAN | FEC_QUIRK_HAS_AVB |
FEC_QUIRK_ERR007885 | FEC_QUIRK_BUG_CAPTURE |
FEC_QUIRK_HAS_RACC | FEC_QUIRK_HAS_COALESCE |
- FEC_QUIRK_CLEAR_SETUP_MII | FEC_QUIRK_HAS_MULTI_QUEUES,
+ FEC_QUIRK_CLEAR_SETUP_MII | FEC_QUIRK_HAS_MULTI_QUEUES |
+ FEC_QUIRK_HAS_MDIO_C45,
};
static const struct fec_devinfo fec_imx6ul_info = {
@@ -140,7 +143,8 @@ static const struct fec_devinfo fec_imx6ul_info = {
FEC_QUIRK_HAS_BUFDESC_EX | FEC_QUIRK_HAS_CSUM |
FEC_QUIRK_HAS_VLAN | FEC_QUIRK_ERR007885 |
FEC_QUIRK_BUG_CAPTURE | FEC_QUIRK_HAS_RACC |
- FEC_QUIRK_HAS_COALESCE | FEC_QUIRK_CLEAR_SETUP_MII,
+ FEC_QUIRK_HAS_COALESCE | FEC_QUIRK_CLEAR_SETUP_MII |
+ FEC_QUIRK_HAS_MDIO_C45,
};
static const struct fec_devinfo fec_imx8mq_info = {
@@ -150,7 +154,8 @@ static const struct fec_devinfo fec_imx8mq_info = {
FEC_QUIRK_ERR007885 | FEC_QUIRK_BUG_CAPTURE |
FEC_QUIRK_HAS_RACC | FEC_QUIRK_HAS_COALESCE |
FEC_QUIRK_CLEAR_SETUP_MII | FEC_QUIRK_HAS_MULTI_QUEUES |
- FEC_QUIRK_HAS_EEE | FEC_QUIRK_WAKEUP_FROM_INT2,
+ FEC_QUIRK_HAS_EEE | FEC_QUIRK_WAKEUP_FROM_INT2 |
+ FEC_QUIRK_HAS_MDIO_C45,
};
static const struct fec_devinfo fec_imx8qm_info = {
@@ -160,14 +165,15 @@ static const struct fec_devinfo fec_imx8qm_info = {
FEC_QUIRK_ERR007885 | FEC_QUIRK_BUG_CAPTURE |
FEC_QUIRK_HAS_RACC | FEC_QUIRK_HAS_COALESCE |
FEC_QUIRK_CLEAR_SETUP_MII | FEC_QUIRK_HAS_MULTI_QUEUES |
- FEC_QUIRK_DELAYED_CLKS_SUPPORT,
+ FEC_QUIRK_DELAYED_CLKS_SUPPORT | FEC_QUIRK_HAS_MDIO_C45,
};
static const struct fec_devinfo fec_s32v234_info = {
.quirks = FEC_QUIRK_ENET_MAC | FEC_QUIRK_HAS_GBIT |
FEC_QUIRK_HAS_BUFDESC_EX | FEC_QUIRK_HAS_CSUM |
FEC_QUIRK_HAS_VLAN | FEC_QUIRK_HAS_AVB |
- FEC_QUIRK_ERR007885 | FEC_QUIRK_BUG_CAPTURE,
+ FEC_QUIRK_ERR007885 | FEC_QUIRK_BUG_CAPTURE |
+ FEC_QUIRK_HAS_MDIO_C45,
};
static struct platform_device_id fec_devtype[] = {
@@ -2434,8 +2440,10 @@ static int fec_enet_mii_init(struct platform_device *pdev)
fep->mii_bus->name = "fec_enet_mii_bus";
fep->mii_bus->read = fec_enet_mdio_read_c22;
fep->mii_bus->write = fec_enet_mdio_write_c22;
- fep->mii_bus->read_c45 = fec_enet_mdio_read_c45;
- fep->mii_bus->write_c45 = fec_enet_mdio_write_c45;
+ if (fep->quirks & FEC_QUIRK_HAS_MDIO_C45) {
+ fep->mii_bus->read_c45 = fec_enet_mdio_read_c45;
+ fep->mii_bus->write_c45 = fec_enet_mdio_write_c45;
+ }
snprintf(fep->mii_bus->id, MII_BUS_ID_SIZE, "%s-%x",
pdev->name, fep->dev_id + 1);
fep->mii_bus->priv = fep;
@@ -3790,7 +3798,8 @@ static int fec_enet_txq_xmit_frame(struct fec_enet_private *fep,
entries_free = fec_enet_get_free_txdesc_num(txq);
if (entries_free < MAX_SKB_FRAGS + 1) {
netdev_err(fep->netdev, "NOT enough BD for SG!\n");
- return NETDEV_TX_OK;
+ xdp_return_frame(frame);
+ return NETDEV_TX_BUSY;
}
/* Fill in a Tx ring entry */
@@ -3848,6 +3857,7 @@ static int fec_enet_xdp_xmit(struct net_device *dev,
struct fec_enet_private *fep = netdev_priv(dev);
struct fec_enet_priv_tx_q *txq;
int cpu = smp_processor_id();
+ unsigned int sent_frames = 0;
struct netdev_queue *nq;
unsigned int queue;
int i;
@@ -3858,8 +3868,11 @@ static int fec_enet_xdp_xmit(struct net_device *dev,
__netif_tx_lock(nq, cpu);
- for (i = 0; i < num_frames; i++)
- fec_enet_txq_xmit_frame(fep, txq, frames[i]);
+ for (i = 0; i < num_frames; i++) {
+ if (fec_enet_txq_xmit_frame(fep, txq, frames[i]) != 0)
+ break;
+ sent_frames++;
+ }
/* Make sure the update to bdp and tx_skbuff are performed. */
wmb();
@@ -3869,7 +3882,7 @@ static int fec_enet_xdp_xmit(struct net_device *dev,
__netif_tx_unlock(nq);
- return num_frames;
+ return sent_frames;
}
static const struct net_device_ops fec_netdev_ops = {