From: Matt Corallo Date: Sun, 4 Apr 2021 17:15:06 +0000 (-0400) Subject: Print diagnostics about install location X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=commitdiff_plain;h=130bf4a7a1418ae03a79993fd77ccbdae5f814e7;p=flowspec-xdp Print diagnostics about install location --- diff --git a/install.sh b/install.sh index d93664c..be3ead3 100755 --- a/install.sh +++ b/install.sh @@ -5,7 +5,7 @@ RULES="$(birdc show route table flowspec4) $(birdc show route table flowspec6)" echo "$RULES" | ./genrules.py --8021q=drop-vlan --v6frag=ignore-parse-if-rule --ihl=drop-options -clang -std=c99 -pedantic -Wall -Wextra -Wno-pointer-arith -Wno-unused-variable -Os -emit-llvm -c xdp.c -o - | llc -march=bpf -filetype=obj -o xdp +clang -std=c99 -pedantic -Wall -Wextra -Wno-pointer-arith -Wno-unused-variable -O3 -emit-llvm -c xdp.c -o - | llc -O3 -march=bpf -filetype=obj -o xdp echo "Before unload drop count was:" ./dropcount.sh || echo "Not loaded" @@ -13,4 +13,8 @@ echo "Before unload drop count was:" 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" xdp obj xdp sec xdp_drop || ip link set "$1" xdpgeneric obj xdp sec xdp_drop +ip link set "$1" xdpoffload obj xdp sec xdp_drop || ( + echo "Failed to install in NIC, testing in driver..." && ip link set "$1" xdpdrv obj xdp sec xdp_drop || ( + echo "Failed to install in driver, using generic..." && ip link set "$1" xdpgeneric obj xdp sec xdp_drop + ) +)