openwrt/target/linux/layerscape/patches-5.4/701-net-0033-sdk_dpaa-adapt-to-the-new-API-for-MTU-changes.patch
Yangbo Lu cddd459140 layerscape: add patches-5.4
Add patches for linux-5.4. The patches are from NXP LSDK-20.04 release
which was tagged LSDK-20.04-V5.4.
https://source.codeaurora.org/external/qoriq/qoriq-components/linux/

For boards LS1021A-IOT, and Traverse-LS1043 which are not involved in
LSDK, port the dts patches from 4.14.

The patches are sorted into the following categories:
  301-arch-xxxx
  302-dts-xxxx
  303-core-xxxx
  701-net-xxxx
  801-audio-xxxx
  802-can-xxxx
  803-clock-xxxx
  804-crypto-xxxx
  805-display-xxxx
  806-dma-xxxx
  807-gpio-xxxx
  808-i2c-xxxx
  809-jailhouse-xxxx
  810-keys-xxxx
  811-kvm-xxxx
  812-pcie-xxxx
  813-pm-xxxx
  814-qe-xxxx
  815-sata-xxxx
  816-sdhc-xxxx
  817-spi-xxxx
  818-thermal-xxxx
  819-uart-xxxx
  820-usb-xxxx
  821-vfio-xxxx

Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
2020-05-07 12:53:06 +02:00

87 lines
3.0 KiB
Diff

From 828ec34f1fade88f1e751b7000959aaddfe44e5c Mon Sep 17 00:00:00 2001
From: Camelia Groza <camelia.groza@nxp.com>
Date: Thu, 21 Sep 2017 10:50:57 +0300
Subject: [PATCH] sdk_dpaa: adapt to the new API for MTU changes
Signed-off-by: Camelia Groza <camelia.groza@nxp.com>
---
drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth.c | 14 +++++++++++-
.../ethernet/freescale/sdk_dpaa/dpaa_eth_common.c | 25 ----------------------
.../ethernet/freescale/sdk_dpaa/dpaa_eth_common.h | 1 -
3 files changed, 13 insertions(+), 27 deletions(-)
--- a/drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth.c
+++ b/drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth.c
@@ -681,7 +681,6 @@ static const struct net_device_ops dpa_p
#ifdef CONFIG_FSL_DPAA_ETH_USE_NDO_SELECT_QUEUE
.ndo_select_queue = dpa_select_queue,
#endif
- .ndo_change_mtu = dpa_change_mtu,
.ndo_set_rx_mode = dpa_set_rx_mode,
.ndo_init = dpa_ndo_init,
.ndo_set_features = dpa_set_features,
@@ -758,6 +757,19 @@ static int dpa_private_netdev_init(struc
net_dev->mem_start = priv->mac_dev->res->start;
net_dev->mem_end = priv->mac_dev->res->end;
+ /* Configure the maximum MTU according to the FMan's MAXFRM */
+ net_dev->min_mtu = ETH_MIN_MTU;
+ net_dev->max_mtu = dpa_get_max_mtu();
+
+#ifndef CONFIG_PPC
+ /* Due to the A010022 FMan errata, we can not use contig frames larger
+ * than 4K, nor S/G frames. We need to prevent the user from setting a
+ * large MTU.
+ */
+ if (unlikely(dpaa_errata_a010022))
+ net_dev->max_mtu = DPA_BP_RAW_SIZE;
+#endif
+
net_dev->hw_features |= (NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
NETIF_F_LLTX);
--- a/drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth_common.c
+++ b/drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth_common.c
@@ -261,31 +261,6 @@ dpa_get_stats64(struct net_device *net_d
}
EXPORT_SYMBOL(dpa_get_stats64);
-int dpa_change_mtu(struct net_device *net_dev, int new_mtu)
-{
- int max_mtu = dpa_get_max_mtu();
-
-#ifndef CONFIG_PPC
- /* Due to the A010022 FMan errata, we can not use contig frames larger
- * than 4K, nor S/G frames. We need to prevent the user from setting a
- * large MTU.
- */
- if (unlikely(dpaa_errata_a010022))
- max_mtu = DPA_BP_RAW_SIZE;
-#endif
-
- /* Make sure we don't exceed the Ethernet controller's MAXFRM */
- if (new_mtu < 68 || new_mtu > max_mtu) {
- netdev_err(net_dev, "Invalid L3 mtu %d (must be between %d and %d).\n",
- new_mtu, 68, max_mtu);
- return -EINVAL;
- }
- net_dev->mtu = new_mtu;
-
- return 0;
-}
-EXPORT_SYMBOL(dpa_change_mtu);
-
/* .ndo_init callback */
int dpa_ndo_init(struct net_device *net_dev)
{
--- a/drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth_common.h
+++ b/drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth_common.h
@@ -143,7 +143,6 @@ void __cold dpa_timeout(struct net_devic
void __cold
dpa_get_stats64(struct net_device *net_dev,
struct rtnl_link_stats64 *stats);
-int dpa_change_mtu(struct net_device *net_dev, int new_mtu);
int dpa_ndo_init(struct net_device *net_dev);
int dpa_set_features(struct net_device *dev, netdev_features_t features);
netdev_features_t dpa_fix_features(struct net_device *dev,