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[84.16.102.26]) by smtp.gmail.com with ESMTPSA id s9sm6462188wme.36.2019.10.02.09.12.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 02 Oct 2019 09:12:49 -0700 (PDT) From: Jiri Pirko To: netdev@vger.kernel.org Cc: davem@davemloft.net, idosch@mellanox.com, dsahern@gmail.com, jakub.kicinski@netronome.com, tariqt@mellanox.com, saeedm@mellanox.com, kuznet@ms2.inr.ac.ru, yoshfuji@linux-ipv6.org, shuah@kernel.org, mlxsw@mellanox.com Subject: [patch net-next v2 15/15] selftests: netdevsim: add tests for devlink reload with resources Date: Wed, 2 Oct 2019 18:12:31 +0200 Message-Id: <20191002161231.2987-16-jiri@resnulli.us> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20191002161231.2987-1-jiri@resnulli.us> References: <20191002161231.2987-1-jiri@resnulli.us> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Jiri Pirko Add couple of tests for devlink reload testing and also resource limitations testing, along with devlink reload. Signed-off-by: Jiri Pirko --- .../drivers/net/netdevsim/devlink.sh | 120 +++++++++++++++++- 1 file changed, 119 insertions(+), 1 deletion(-) diff --git a/tools/testing/selftests/drivers/net/netdevsim/devlink.sh b/tools/testing/selftests/drivers/net/netdevsim/devlink.sh index 115837355eaf..69af99bd562b 100755 --- a/tools/testing/selftests/drivers/net/netdevsim/devlink.sh +++ b/tools/testing/selftests/drivers/net/netdevsim/devlink.sh @@ -3,7 +3,8 @@ lib_dir=$(dirname $0)/../../../net/forwarding -ALL_TESTS="fw_flash_test params_test regions_test" +ALL_TESTS="fw_flash_test params_test regions_test reload_test \ + netns_reload_test resource_test" NUM_NETIFS=0 source $lib_dir/lib.sh @@ -142,6 +143,123 @@ regions_test() log_test "regions test" } +reload_test() +{ + RET=0 + + devlink dev reload $DL_HANDLE + check_err $? "Failed to reload" + + log_test "reload test" +} + +netns_reload_test() +{ + RET=0 + + ip netns add testns1 + check_err $? "Failed add netns \"testns1\"" + ip netns add testns2 + check_err $? "Failed add netns \"testns2\"" + + devlink dev reload $DL_HANDLE netns testns1 + check_err $? "Failed to reload into netns \"testns1\"" + + devlink -N testns1 dev reload $DL_HANDLE netns testns2 + check_err $? "Failed to reload from netns \"testns1\" into netns \"testns2\"" + + ip netns del testns2 + ip netns del testns1 + + log_test "netns reload test" +} + +DUMMYDEV="dummytest" + +res_val_get() +{ + local netns=$1 + local parentname=$2 + local name=$3 + local type=$4 + + cmd_jq "devlink -N $netns resource show $DL_HANDLE -j" \ + ".[][][] | select(.name == \"$parentname\").resources[] \ + | select(.name == \"$name\").$type" +} + +resource_test() +{ + RET=0 + + ip netns add testns1 + check_err $? "Failed add netns \"testns1\"" + ip netns add testns2 + check_err $? "Failed add netns \"testns2\"" + + devlink dev reload $DL_HANDLE netns testns1 + check_err $? "Failed to reload into netns \"testns1\"" + + # Create dummy dev to add the address and routes on. + + ip -n testns1 link add name $DUMMYDEV type dummy + check_err $? "Failed create dummy device" + ip -n testns1 link set $DUMMYDEV up + check_err $? "Failed bring up dummy device" + ip -n testns1 a a 192.0.1.1/24 dev $DUMMYDEV + check_err $? "Failed add an IP address to dummy device" + + local occ=$(res_val_get testns1 IPv4 fib occ) + local limit=$((occ+1)) + + # Set fib size limit to handle one another route only. + + devlink -N testns1 resource set $DL_HANDLE path IPv4/fib size $limit + check_err $? "Failed to set IPv4/fib resource size" + local size_new=$(res_val_get testns1 IPv4 fib size_new) + [ "$size_new" -eq "$limit" ] + check_err $? "Unexpected \"size_new\" value (got $size_new, expected $limit)" + + devlink -N testns1 dev reload $DL_HANDLE + check_err $? "Failed to reload" + local size=$(res_val_get testns1 IPv4 fib size) + [ "$size" -eq "$limit" ] + check_err $? "Unexpected \"size\" value (got $size, expected $limit)" + + # Insert 2 routes, the first is going to be inserted, + # the second is expected to fail to be inserted. + + ip -n testns1 r a 192.0.2.0/24 via 192.0.1.2 + check_err $? "Failed to add route" + + ip -n testns1 r a 192.0.3.0/24 via 192.0.1.2 + check_fail $? "Unexpected successful route add over limit" + + # Now create another dummy in second network namespace and + # insert two routes. That is over the limit of the netdevsim + # instance in the first namespace. Move the netdevsim instance + # into the second namespace and expect it to fail. + + ip -n testns2 link add name $DUMMYDEV type dummy + check_err $? "Failed create dummy device" + ip -n testns2 link set $DUMMYDEV up + check_err $? "Failed bring up dummy device" + ip -n testns2 a a 192.0.1.1/24 dev $DUMMYDEV + check_err $? "Failed add an IP address to dummy device" + ip -n testns2 r a 192.0.2.0/24 via 192.0.1.2 + check_err $? "Failed to add route" + ip -n testns2 r a 192.0.3.0/24 via 192.0.1.2 + check_err $? "Failed to add route" + + devlink -N testns1 dev reload $DL_HANDLE netns testns2 + check_fail $? "Unexpected successful reload from netns \"testns1\" into netns \"testns2\"" + + ip netns del testns2 + ip netns del testns1 + + log_test "resource test" +} + setup_prepare() { modprobe netdevsim -- 2.21.0