diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.19/950-0497-Revert-smsc95xx-dynamically-fix-up-TX-buffer-alignme.patch')
| -rw-r--r-- | target/linux/brcm2708/patches-4.19/950-0497-Revert-smsc95xx-dynamically-fix-up-TX-buffer-alignme.patch | 60 |
1 files changed, 0 insertions, 60 deletions
diff --git a/target/linux/brcm2708/patches-4.19/950-0497-Revert-smsc95xx-dynamically-fix-up-TX-buffer-alignme.patch b/target/linux/brcm2708/patches-4.19/950-0497-Revert-smsc95xx-dynamically-fix-up-TX-buffer-alignme.patch deleted file mode 100644 index 08532bda58..0000000000 --- a/target/linux/brcm2708/patches-4.19/950-0497-Revert-smsc95xx-dynamically-fix-up-TX-buffer-alignme.patch +++ /dev/null @@ -1,60 +0,0 @@ -From fb13c1342c81bb0c06afdcfe1e8561e8a6e149d7 Mon Sep 17 00:00:00 2001 -From: P33M <p33m@github.com> -Date: Tue, 14 May 2019 14:55:19 +0100 -Subject: [PATCH 497/703] Revert "smsc95xx: dynamically fix up TX buffer - alignment with padding bytes" - -As reported in https://github.com/raspberrypi/linux/issues/2964 this -commit causes a regression corrupting non-option TCP ack packets. - -This reverts commit 96b972dc736d943f371a16ccca452a053d83c65b. ---- - drivers/net/usb/smsc95xx.c | 12 +++++------- - drivers/net/usb/smsc95xx.h | 2 +- - 2 files changed, 6 insertions(+), 8 deletions(-) - ---- a/drivers/net/usb/smsc95xx.c -+++ b/drivers/net/usb/smsc95xx.c -@@ -2082,9 +2082,7 @@ static struct sk_buff *smsc95xx_tx_fixup - struct sk_buff *skb, gfp_t flags) - { - bool csum = skb->ip_summed == CHECKSUM_PARTIAL; -- unsigned int align_bytes = -((uintptr_t)skb->data) & 0x3; -- int overhead = csum ? SMSC95XX_TX_OVERHEAD_CSUM + align_bytes -- : SMSC95XX_TX_OVERHEAD + align_bytes; -+ int overhead = csum ? SMSC95XX_TX_OVERHEAD_CSUM : SMSC95XX_TX_OVERHEAD; - u32 tx_cmd_a, tx_cmd_b; - - /* We do not advertise SG, so skbs should be already linearized */ -@@ -2118,16 +2116,16 @@ static struct sk_buff *smsc95xx_tx_fixup - } - } - -- skb_push(skb, 4 + align_bytes); -- tx_cmd_b = (u32)(skb->len - 4 - align_bytes); -+ skb_push(skb, 4); -+ tx_cmd_b = (u32)(skb->len - 4); - if (csum) - tx_cmd_b |= TX_CMD_B_CSUM_ENABLE; - cpu_to_le32s(&tx_cmd_b); - memcpy(skb->data, &tx_cmd_b, 4); - - skb_push(skb, 4); -- tx_cmd_a = (u32)(skb->len - 8 - align_bytes) | TX_CMD_A_FIRST_SEG_ | -- (align_bytes << 16) | TX_CMD_A_LAST_SEG_; -+ tx_cmd_a = (u32)(skb->len - 8) | TX_CMD_A_FIRST_SEG_ | -+ TX_CMD_A_LAST_SEG_; - cpu_to_le32s(&tx_cmd_a); - memcpy(skb->data, &tx_cmd_a, 4); - ---- a/drivers/net/usb/smsc95xx.h -+++ b/drivers/net/usb/smsc95xx.h -@@ -21,7 +21,7 @@ - #define _SMSC95XX_H - - /* Tx command words */ --#define TX_CMD_A_DATA_OFFSET_ (0x00030000) /* Data Start Offset */ -+#define TX_CMD_A_DATA_OFFSET_ (0x001F0000) /* Data Start Offset */ - #define TX_CMD_A_FIRST_SEG_ (0x00002000) /* First Segment */ - #define TX_CMD_A_LAST_SEG_ (0x00001000) /* Last Segment */ - #define TX_CMD_A_BUF_SIZE_ (0x000007FF) /* Buffer Size */ |