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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.c22
1 files changed, 20 insertions, 2 deletions
diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c
index d71d0d4f5597..0e596681842b 100644
--- a/drivers/net/ethernet/freescale/fec_main.c
+++ b/drivers/net/ethernet/freescale/fec_main.c
@@ -470,14 +470,14 @@ fec_enet_create_page_pool(struct fec_enet_private *fep,
{
struct bpf_prog *xdp_prog = READ_ONCE(fep->xdp_prog);
struct page_pool_params pp_params = {
- .order = 0,
+ .order = fep->pagepool_order,
.flags = PP_FLAG_DMA_MAP | PP_FLAG_DMA_SYNC_DEV,
.pool_size = size,
.nid = dev_to_node(&fep->pdev->dev),
.dev = &fep->pdev->dev,
.dma_dir = xdp_prog ? DMA_BIDIRECTIONAL : DMA_FROM_DEVICE,
.offset = FEC_ENET_XDP_HEADROOM,
- .max_len = FEC_ENET_RX_FRSIZE,
+ .max_len = fep->rx_frame_size,
};
int err;
@@ -4025,6 +4025,23 @@ static int fec_hwtstamp_set(struct net_device *ndev,
return fec_ptp_set(ndev, config, extack);
}
+static int fec_change_mtu(struct net_device *ndev, int new_mtu)
+{
+ struct fec_enet_private *fep = netdev_priv(ndev);
+ int order;
+
+ if (netif_running(ndev))
+ return -EBUSY;
+
+ order = get_order(new_mtu + ETH_HLEN + ETH_FCS_LEN
+ + FEC_DRV_RESERVE_SPACE);
+ fep->rx_frame_size = (PAGE_SIZE << order) - FEC_DRV_RESERVE_SPACE;
+ fep->pagepool_order = order;
+ WRITE_ONCE(ndev->mtu, new_mtu);
+
+ return 0;
+}
+
static const struct net_device_ops fec_netdev_ops = {
.ndo_open = fec_enet_open,
.ndo_stop = fec_enet_close,
@@ -4034,6 +4051,7 @@ static const struct net_device_ops fec_netdev_ops = {
.ndo_validate_addr = eth_validate_addr,
.ndo_tx_timeout = fec_timeout,
.ndo_set_mac_address = fec_set_mac_address,
+ .ndo_change_mtu = fec_change_mtu,
.ndo_eth_ioctl = phy_do_ioctl_running,
.ndo_set_features = fec_set_features,
.ndo_bpf = fec_enet_bpf,