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ramips: remove fake vlan rx offload from ethernet driver 

The network stack does not need it to do GRO

Signed-off-by: Felix Fietkau <nbd@nbd.name>
owl
Felix Fietkau 2016-05-19 23:10:43 +02:00
parent 94e23bf740
commit 82dcbec727
4 changed files with 6 additions and 27 deletions
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24
target/linux/ramips/patches-4.4/0501-net-next-mediatek-add-the-drivers-core-files.patch
View File

@ -600,7 +600,7 @@ Signed-off-by: Michael Lee <igvtee@gmail.com>
+#endif
--- /dev/null
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
@@ -0,0 +1,1607 @@
@@ -0,0 +1,1587 @@
+/* This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License
@ -1400,20 +1400,6 @@ Signed-off-by: Michael Lee <igvtee@gmail.com>
+ return NETDEV_TX_OK;
+}
+
+static inline void fe_rx_vlan(struct sk_buff *skb)
+{
+ struct ethhdr *ehdr;
+ u16 vlanid;
+
+ if (!__vlan_get_tag(skb, &vlanid)) {
+ /* pop the vlan tag */
+ ehdr = (struct ethhdr *)skb->data;
+ memmove(skb->data + VLAN_HLEN, ehdr, ETH_ALEN * 2);
+ skb_pull(skb, VLAN_HLEN);
+ __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), vlanid);
+ }
+}
+
+static int fe_poll_rx(struct napi_struct *napi, int budget,
+ struct fe_priv *priv, u32 rx_intr)
+{
@ -1427,7 +1413,6 @@ Signed-off-by: Michael Lee <igvtee@gmail.com>
+ u8 *data, *new_data;
+ struct fe_rx_dma *rxd, trxd;
+ int done = 0, pad;
+ bool rx_vlan = netdev->features & NETIF_F_HW_VLAN_CTAG_RX;
+
+ if (netdev->features & NETIF_F_RXCSUM)
+ checksum_bit = soc->checksum_bit;
@ -1483,8 +1468,6 @@ Signed-off-by: Michael Lee <igvtee@gmail.com>
+ skb->ip_summed = CHECKSUM_UNNECESSARY;
+ else
+ skb_checksum_none_assert(skb);
+ if (rx_vlan)
+ fe_rx_vlan(skb);
+ skb->protocol = eth_type_trans(skb, netdev);
+
+ stats->rx_packets++;
@ -2098,10 +2081,7 @@ Signed-off-by: Michael Lee <igvtee@gmail.com>
+
+ if (soc->init_data)
+ soc->init_data(soc, netdev);
+ /* fake NETIF_F_HW_VLAN_CTAG_RX for good GRO performance */
+ netdev->hw_features |= NETIF_F_HW_VLAN_CTAG_RX;
+ netdev->vlan_features = netdev->hw_features &
+ ~(NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_CTAG_RX);
+ netdev->vlan_features = netdev->hw_features & ~NETIF_F_HW_VLAN_CTAG_TX;
+ netdev->features |= netdev->hw_features;
+
+ /* fake rx vlan filter func. to support tx vlan offload func */

5
target/linux/ramips/patches-4.4/0509-net-next-mediatek-add-support-for-mt7621.patch
View File

@ -21,7 +21,7 @@ Signed-off-by: Michael Lee <igvtee@gmail.com>
--- /dev/null
+++ b/drivers/net/ethernet/mediatek/soc_mt7621.c
@@ -0,0 +1,186 @@
@@ -0,0 +1,185 @@
+/* This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License
@ -146,8 +146,7 @@ Signed-off-by: Michael Lee <igvtee@gmail.com>
+
+ /* mt7621 doesn't have txcsum config */
+ mt7621_rxcsum_config((dev->features & NETIF_F_RXCSUM));
+ mt7621_rxvlan_config((dev->features & NETIF_F_HW_VLAN_CTAG_RX) &&
+ (priv->flags & FE_FLAG_RX_VLAN_CTAG));
+ mt7621_rxvlan_config(priv->flags & FE_FLAG_RX_VLAN_CTAG);
+
+ return 0;
+}

2
target/linux/ramips/patches-4.4/0513-net-mediatek-add-swconfig-driver-for-gsw_mt762x.patch
View File

@ -858,7 +858,7 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
+#endif
--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
@@ -1308,8 +1308,13 @@ static int __init fe_init(struct net_dev
@@ -1291,8 +1291,13 @@ static int __init fe_init(struct net_dev
}
err = fe_hw_init(dev);

2
target/linux/ramips/patches-4.4/0601-net-mediatke-add-phy_ethtool_ioctl-support.patch
View File

@ -10,7 +10,7 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
@@ -1344,6 +1344,9 @@ static int fe_do_ioctl(struct net_device
@@ -1327,6 +1327,9 @@ static int fe_do_ioctl(struct net_device
return -ENODEV;
switch (cmd) {