summaryrefslogtreecommitdiff
path: root/tools
diff options
context:
space:
mode:
authorArun Ajith S <aajith@arista.com>2022-05-30 10:14:14 +0000
committerPaolo Abeni <pabeni@redhat.com>2022-05-31 11:36:57 +0200
commit3e0b8f529c10037ae0b369fc892e524eae5a5485 (patch)
tree41f7fe4b731d75b6c9ff0b73afd8b7affa56b562 /tools
parent4a1f14df55d1e9ecdfa797a87a80131207cbd66f (diff)
net/ipv6: Expand and rename accept_unsolicited_na to accept_untracked_na
RFC 9131 changes default behaviour of handling RX of NA messages when the corresponding entry is absent in the neighbour cache. The current implementation is limited to accept just unsolicited NAs. However, the RFC is more generic where it also accepts solicited NAs. Both types should result in adding a STALE entry for this case. Expand accept_untracked_na behaviour to also accept solicited NAs to be compliant with the RFC and rename the sysctl knob to accept_untracked_na. Fixes: f9a2fb73318e ("net/ipv6: Introduce accept_unsolicited_na knob to implement router-side changes for RFC9131") Signed-off-by: Arun Ajith S <aajith@arista.com> Reviewed-by: David Ahern <dsahern@kernel.org> Link: https://lore.kernel.org/r/20220530101414.65439-1-aajith@arista.com Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Diffstat (limited to 'tools')
-rwxr-xr-xtools/testing/selftests/net/ndisc_unsolicited_na_test.sh23
1 files changed, 11 insertions, 12 deletions
diff --git a/tools/testing/selftests/net/ndisc_unsolicited_na_test.sh b/tools/testing/selftests/net/ndisc_unsolicited_na_test.sh
index f508657ee126..86e621b7b9c7 100755
--- a/tools/testing/selftests/net/ndisc_unsolicited_na_test.sh
+++ b/tools/testing/selftests/net/ndisc_unsolicited_na_test.sh
@@ -1,15 +1,14 @@
#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
-# This test is for the accept_unsolicited_na feature to
+# This test is for the accept_untracked_na feature to
# enable RFC9131 behaviour. The following is the test-matrix.
# drop accept fwding behaviour
# ---- ------ ------ ----------------------------------------------
-# 1 X X Drop NA packet and don't pass up the stack
-# 0 0 X Pass NA packet up the stack, don't update NC
-# 0 1 0 Pass NA packet up the stack, don't update NC
-# 0 1 1 Pass NA packet up the stack, and add a STALE
-# NC entry
+# 1 X X Don't update NC
+# 0 0 X Don't update NC
+# 0 1 0 Don't update NC
+# 0 1 1 Add a STALE NC entry
ret=0
# Kselftest framework requirement - SKIP code is 4.
@@ -72,7 +71,7 @@ setup()
set -e
local drop_unsolicited_na=$1
- local accept_unsolicited_na=$2
+ local accept_untracked_na=$2
local forwarding=$3
# Setup two namespaces and a veth tunnel across them.
@@ -93,7 +92,7 @@ setup()
${IP_ROUTER_EXEC} sysctl -qw \
${ROUTER_CONF}.drop_unsolicited_na=${drop_unsolicited_na}
${IP_ROUTER_EXEC} sysctl -qw \
- ${ROUTER_CONF}.accept_unsolicited_na=${accept_unsolicited_na}
+ ${ROUTER_CONF}.accept_untracked_na=${accept_untracked_na}
${IP_ROUTER_EXEC} sysctl -qw ${ROUTER_CONF}.disable_ipv6=0
${IP_ROUTER} addr add ${ROUTER_ADDR_WITH_MASK} dev ${ROUTER_INTF}
@@ -144,13 +143,13 @@ link_up() {
verify_ndisc() {
local drop_unsolicited_na=$1
- local accept_unsolicited_na=$2
+ local accept_untracked_na=$2
local forwarding=$3
neigh_show_output=$(${IP_ROUTER} neigh show \
to ${HOST_ADDR} dev ${ROUTER_INTF} nud stale)
if [ ${drop_unsolicited_na} -eq 0 ] && \
- [ ${accept_unsolicited_na} -eq 1 ] && \
+ [ ${accept_untracked_na} -eq 1 ] && \
[ ${forwarding} -eq 1 ]; then
# Neighbour entry expected to be present for 011 case
[[ ${neigh_show_output} ]]
@@ -179,14 +178,14 @@ test_unsolicited_na_combination() {
test_unsolicited_na_common $1 $2 $3
test_msg=("test_unsolicited_na: "
"drop_unsolicited_na=$1 "
- "accept_unsolicited_na=$2 "
+ "accept_untracked_na=$2 "
"forwarding=$3")
log_test $? 0 "${test_msg[*]}"
cleanup
}
test_unsolicited_na_combinations() {
- # Args: drop_unsolicited_na accept_unsolicited_na forwarding
+ # Args: drop_unsolicited_na accept_untracked_na forwarding
# Expect entry
test_unsolicited_na_combination 0 1 1