diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.14/950-0271-net-lan78xx-Add-support-for-VLAN-tag-stripping.patch')
| -rw-r--r-- | target/linux/brcm2708/patches-4.14/950-0271-net-lan78xx-Add-support-for-VLAN-tag-stripping.patch | 82 |
1 files changed, 0 insertions, 82 deletions
diff --git a/target/linux/brcm2708/patches-4.14/950-0271-net-lan78xx-Add-support-for-VLAN-tag-stripping.patch b/target/linux/brcm2708/patches-4.14/950-0271-net-lan78xx-Add-support-for-VLAN-tag-stripping.patch deleted file mode 100644 index 0ae1bf5e3e..0000000000 --- a/target/linux/brcm2708/patches-4.14/950-0271-net-lan78xx-Add-support-for-VLAN-tag-stripping.patch +++ /dev/null @@ -1,82 +0,0 @@ -From 9d4c65d0e7ebfe20bd24e65d52b1df56e90d498e Mon Sep 17 00:00:00 2001 -From: Dave Stevenson <dave.stevenson@raspberrypi.org> -Date: Tue, 10 Apr 2018 15:27:51 +0100 -Subject: [PATCH 271/454] net: lan78xx: Add support for VLAN tag stripping. - -The chip supports stripping the VLAN tag and reporting it -in metadata. Implement this as it also appears to solve the -issues observed in checksum computation. - -See #2458. - -Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org> ---- - drivers/net/usb/lan78xx.c | 22 ++++++++++++++++++++++ - 1 file changed, 22 insertions(+) - ---- a/drivers/net/usb/lan78xx.c -+++ b/drivers/net/usb/lan78xx.c -@@ -64,6 +64,7 @@ - #define DEFAULT_RX_CSUM_ENABLE (true) - #define DEFAULT_TSO_CSUM_ENABLE (true) - #define DEFAULT_VLAN_FILTER_ENABLE (true) -+#define DEFAULT_VLAN_RX_OFFLOAD (true) - #define TX_OVERHEAD (8) - #define RXW_PADDING 2 - -@@ -2279,6 +2280,11 @@ static int lan78xx_set_features(struct n - pdata->rfe_ctl &= ~(RFE_CTL_ICMP_COE_ | RFE_CTL_IGMP_COE_); - } - -+ if (features & NETIF_F_HW_VLAN_CTAG_RX) -+ pdata->rfe_ctl |= RFE_CTL_VLAN_STRIP_; -+ else -+ pdata->rfe_ctl &= ~RFE_CTL_VLAN_STRIP_; -+ - if (features & NETIF_F_HW_VLAN_CTAG_FILTER) - pdata->rfe_ctl |= RFE_CTL_VLAN_FILTER_; - else -@@ -2892,6 +2898,9 @@ static int lan78xx_bind(struct lan78xx_n - if (DEFAULT_TSO_CSUM_ENABLE) - dev->net->features |= NETIF_F_TSO | NETIF_F_TSO6 | NETIF_F_SG; - -+ if (DEFAULT_VLAN_RX_OFFLOAD) -+ dev->net->features |= NETIF_F_HW_VLAN_CTAG_RX; -+ - if (DEFAULT_VLAN_FILTER_ENABLE) - dev->net->features |= NETIF_F_HW_VLAN_CTAG_FILTER; - -@@ -2972,6 +2981,16 @@ static void lan78xx_rx_csum_offload(stru - } - } - -+static void lan78xx_rx_vlan_offload(struct lan78xx_net *dev, -+ struct sk_buff *skb, -+ u32 rx_cmd_a, u32 rx_cmd_b) -+{ -+ if ((dev->net->features & NETIF_F_HW_VLAN_CTAG_RX) && -+ (rx_cmd_a & RX_CMD_A_FVTG_)) -+ __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), -+ (rx_cmd_b & 0xffff)); -+} -+ - static void lan78xx_skb_return(struct lan78xx_net *dev, struct sk_buff *skb) - { - int status; -@@ -3036,6 +3055,8 @@ static int lan78xx_rx(struct lan78xx_net - if (skb->len == size) { - lan78xx_rx_csum_offload(dev, skb, - rx_cmd_a, rx_cmd_b); -+ lan78xx_rx_vlan_offload(dev, skb, -+ rx_cmd_a, rx_cmd_b); - - skb_trim(skb, skb->len - 4); /* remove fcs */ - skb->truesize = size + sizeof(struct sk_buff); -@@ -3054,6 +3075,7 @@ static int lan78xx_rx(struct lan78xx_net - skb_set_tail_pointer(skb2, size); - - lan78xx_rx_csum_offload(dev, skb2, rx_cmd_a, rx_cmd_b); -+ lan78xx_rx_vlan_offload(dev, skb2, rx_cmd_a, rx_cmd_b); - - skb_trim(skb2, skb2->len - 4); /* remove fcs */ - skb2->truesize = size + sizeof(struct sk_buff); |