diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.14/950-0272-net-lan78xx-Reduce-s-w-csum-check-on-VLANs.patch')
-rw-r--r-- | target/linux/brcm2708/patches-4.14/950-0272-net-lan78xx-Reduce-s-w-csum-check-on-VLANs.patch | 35 |
1 files changed, 0 insertions, 35 deletions
diff --git a/target/linux/brcm2708/patches-4.14/950-0272-net-lan78xx-Reduce-s-w-csum-check-on-VLANs.patch b/target/linux/brcm2708/patches-4.14/950-0272-net-lan78xx-Reduce-s-w-csum-check-on-VLANs.patch deleted file mode 100644 index 099f702f00..0000000000 --- a/target/linux/brcm2708/patches-4.14/950-0272-net-lan78xx-Reduce-s-w-csum-check-on-VLANs.patch +++ /dev/null @@ -1,35 +0,0 @@ -From 126c6760f56d2d7a82c605a54c402a886ae9b5bf Mon Sep 17 00:00:00 2001 -From: Dave Stevenson <dave.stevenson@raspberrypi.org> -Date: Tue, 10 Apr 2018 13:08:36 +0100 -Subject: [PATCH 272/454] net: lan78xx: Reduce s/w csum check on VLANs - -With HW_VLAN_CTAG_RX enabled we don't observe the checksum -issue, so amend the workaround to only drop back to s/w -checksums if VLAN offload is disabled. - -See #2458. - -Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org> ---- - drivers/net/usb/lan78xx.c | 7 ++++--- - 1 file changed, 4 insertions(+), 3 deletions(-) - ---- a/drivers/net/usb/lan78xx.c -+++ b/drivers/net/usb/lan78xx.c -@@ -2968,12 +2968,13 @@ static void lan78xx_rx_csum_offload(stru - struct sk_buff *skb, - u32 rx_cmd_a, u32 rx_cmd_b) - { -- /* Checksum offload appears to be flawed if used with VLANs. -- * Elect for sw checksum check instead. -+ /* HW Checksum offload appears to be flawed if used when not stripping -+ * VLAN headers. - */ - if (!(dev->net->features & NETIF_F_RXCSUM) || - unlikely(rx_cmd_a & RX_CMD_A_ICSM_) || -- (rx_cmd_a & RX_CMD_A_FVTG_)) { -+ ((rx_cmd_a & RX_CMD_A_FVTG_) && -+ !(dev->net->features & NETIF_F_HW_VLAN_CTAG_RX))) { - skb->ip_summed = CHECKSUM_NONE; - } else { - skb->csum = ntohs((u16)(rx_cmd_b >> RX_CMD_B_CSUM_SHIFT_)); |