diff options
Diffstat (limited to 'nixos/modules/kernel-patches/0073-net-dsa-tag_mtk-add-padding-for-tx-packets.patch')
| -rw-r--r-- | nixos/modules/kernel-patches/0073-net-dsa-tag_mtk-add-padding-for-tx-packets.patch | 37 |
1 files changed, 0 insertions, 37 deletions
diff --git a/nixos/modules/kernel-patches/0073-net-dsa-tag_mtk-add-padding-for-tx-packets.patch b/nixos/modules/kernel-patches/0073-net-dsa-tag_mtk-add-padding-for-tx-packets.patch deleted file mode 100644 index 2870bf8..0000000 --- a/nixos/modules/kernel-patches/0073-net-dsa-tag_mtk-add-padding-for-tx-packets.patch +++ /dev/null @@ -1,37 +0,0 @@ -From 4347079c0a187cd344ff33497784e57bac30ff46 Mon Sep 17 00:00:00 2001 -From: Felix Fietkau <nbd@nbd.name> -Date: Fri, 6 May 2022 21:38:42 +0200 -Subject: [PATCH 73/96] net: dsa: tag_mtk: add padding for tx packets - -Padding for transmitted packets needs to account for the special tag. -With not enough padding, garbage bytes are inserted by the switch at the -end of small packets. - -Fixes: 5cd8985a1909 ("net-next: dsa: add Mediatek tag RX/TX handler") -Signed-off-by: Felix Fietkau <nbd@nbd.name> ---- - net/dsa/tag_mtk.c | 8 ++++++++ - 1 file changed, 8 insertions(+) - -diff --git a/net/dsa/tag_mtk.c b/net/dsa/tag_mtk.c -index 415d8ece242a..1d1f9dbd9e93 100644 ---- a/net/dsa/tag_mtk.c -+++ b/net/dsa/tag_mtk.c -@@ -25,6 +25,14 @@ static struct sk_buff *mtk_tag_xmit(struct sk_buff *skb, - u8 xmit_tpid; - u8 *mtk_tag; - -+ /* The Ethernet switch we are interfaced with needs packets to be at -+ * least 64 bytes (including FCS) otherwise their padding might be -+ * corrupted. With tags enabled, we need to make sure that packets are -+ * at least 68 bytes (including FCS and tag). -+ */ -+ if (__skb_put_padto(skb, ETH_ZLEN + MTK_HDR_LEN, false)) -+ return NULL; -+ - /* Build the special tag after the MAC Source Address. If VLAN header - * is present, it's required that VLAN header and special tag is - * being combined. Only in this way we can allow the switch can parse --- -2.37.2 - |