From: Birger Koblitz Date: Thu, 21 Jan 2021 13:32:44 +0000 (+0100) Subject: realtek: correct l2 offloading tag handling X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=56ac4fced086c74c73cc05a6af750ee236910811;p=openwrt%2Fstaging%2Fstintel.git realtek: correct l2 offloading tag handling Makes sure the DSA trailer information on any L2 offloading done by the switch is honoured by the bridge layer Signed-off-by: Birger Koblitz --- diff --git a/target/linux/realtek/patches-5.4/701-net-dsa-add-rtl838x-support-for-tag-trailer.patch b/target/linux/realtek/patches-5.4/701-net-dsa-add-rtl838x-support-for-tag-trailer.patch index c8a09c50d3..7bfbd0a5f6 100644 --- a/target/linux/realtek/patches-5.4/701-net-dsa-add-rtl838x-support-for-tag-trailer.patch +++ b/target/linux/realtek/patches-5.4/701-net-dsa-add-rtl838x-support-for-tag-trailer.patch @@ -9,21 +9,24 @@ + trailer[1] = dp->index; +#else trailer[1] = 1 << dp->index; -+#endif /* CONFIG_NET_DSA_RTL83XX */ ++#endif /* CONFIG_NET_DSA_RTL838X */ trailer[2] = 0x10; trailer[3] = 0x00; -@@ -61,12 +66,20 @@ static struct sk_buff *trailer_rcv(struc +@@ -61,12 +69,23 @@ static struct sk_buff *trailer_rcv(struc return NULL; trailer = skb_tail_pointer(skb) - 4; + +#ifdef CONFIG_NET_DSA_RTL83XX -+ if (trailer[0] != 0x80 || (trailer[1] & 0xe0) != 0x00 || ++ if (trailer[0] != 0x80 || (trailer[1] & 0x80) != 0x00 || + (trailer[2] & 0xef) != 0x00 || trailer[3] != 0x00) + return NULL; + -+ source_port = trailer[1] & 0x1f; ++ if (trailer[1] & 0x40) ++ skb->offload_fwd_mark = 1; ++ ++ source_port = trailer[1] & 0x3f; +#else if (trailer[0] != 0x80 || (trailer[1] & 0xf8) != 0x00 || (trailer[2] & 0xef) != 0x00 || trailer[3] != 0x00)