diff options
Diffstat (limited to 'target/linux/layerscape/patches-5.4/701-net-0033-sdk_dpaa-adapt-to-the-new-API-for-MTU-changes.patch')
| -rw-r--r-- | target/linux/layerscape/patches-5.4/701-net-0033-sdk_dpaa-adapt-to-the-new-API-for-MTU-changes.patch | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/target/linux/layerscape/patches-5.4/701-net-0033-sdk_dpaa-adapt-to-the-new-API-for-MTU-changes.patch b/target/linux/layerscape/patches-5.4/701-net-0033-sdk_dpaa-adapt-to-the-new-API-for-MTU-changes.patch new file mode 100644 index 0000000000..a69e4c51c5 --- /dev/null +++ b/target/linux/layerscape/patches-5.4/701-net-0033-sdk_dpaa-adapt-to-the-new-API-for-MTU-changes.patch @@ -0,0 +1,86 @@ +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, |