From: Matt Corallo <git@bluematt.me>
Date: Sat, 23 Oct 2021 19:53:46 +0000 (+0000)
Subject: Use a single command to install xdp instead of remove+add
X-Git-Url: http://git.bitcoin.ninja/index.cgi?p=flowspec-xdp;a=commitdiff_plain;h=f14e8156a096aaa3ba97498b90e028019aa3252a

Use a single command to install xdp instead of remove+add
---

diff --git a/install.sh b/install.sh
index 8106def..b791d8e 100755
--- a/install.sh
+++ b/install.sh
@@ -29,12 +29,10 @@ fi
 echo "Before unload drop count was:"
 ./dropcount.sh || echo "Not loaded"
 
-ip link set "$1" xdp off
-ip link set "$1" xdpgeneric off
 # Note that sometimes the automated fallback does not work properly so we have to || generic here
-ip link set "$1" xdpoffload obj xdp sec $XDP_SECTION || (
-	echo "Failed to install in NIC, testing in driver..." && ip link set "$1" xdpdrv obj xdp sec $XDP_SECTION || (
-		echo "Failed to install in driver, using generic..." && ip link set "$1" xdpgeneric obj xdp sec $XDP_SECTION
+ip -force link set "$1" xdpoffload obj xdp sec $XDP_SECTION || (
+	echo "Failed to install in NIC, testing in driver..." && ip -force link set "$1" xdpdrv obj xdp sec $XDP_SECTION || (
+		echo "Failed to install in driver, using generic..." && ip -force link set "$1" xdpgeneric obj xdp sec $XDP_SECTION
 	)
 )
 echo "$STATS_RULES" > installed-rules.txt