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Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net

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This commit is contained in:
David S. Miller
2019-03-02 12:54:35 -08:00
parent cf29576fee 07f12b26e2
commit 9eb359140c
51 changed files with 409 additions and 107 deletions
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96
tools/testing/selftests/net/pmtu.sh
View File

@@ -103,6 +103,15 @@
# and check that configured MTU is used on link creation and changes, and
# that MTU is properly calculated instead when MTU is not configured from
# userspace
#
# - cleanup_ipv4_exception
# Similar to pmtu_ipv4_vxlan4_exception, but explicitly generate PMTU
# exceptions on multiple CPUs and check that the veth device tear-down
# happens in a timely manner
#
# - cleanup_ipv6_exception
# Same as above, but use IPv6 transport from A to B
# Kselftest framework requirement - SKIP code is 4.
ksft_skip=4
@@ -135,7 +144,9 @@ tests="
pmtu_vti6_default_mtu vti6: default MTU assignment
pmtu_vti4_link_add_mtu vti4: MTU setting on link creation
pmtu_vti6_link_add_mtu vti6: MTU setting on link creation
pmtu_vti6_link_change_mtu vti6: MTU changes on link changes"
pmtu_vti6_link_change_mtu vti6: MTU changes on link changes
cleanup_ipv4_exception ipv4: cleanup of cached exceptions
cleanup_ipv6_exception ipv6: cleanup of cached exceptions"
NS_A="ns-$(mktemp -u XXXXXX)"
NS_B="ns-$(mktemp -u XXXXXX)"
@@ -263,8 +274,6 @@ setup_fou_or_gue() {
${ns_a} ip link set ${encap}_a up
${ns_b} ip link set ${encap}_b up
sleep 1
}
setup_fou44() {
@@ -302,6 +311,10 @@ setup_gue66() {
setup_namespaces() {
for n in ${NS_A} ${NS_B} ${NS_R1} ${NS_R2}; do
ip netns add ${n} || return 1
# Disable DAD, so that we don't have to wait to use the
# configured IPv6 addresses
ip netns exec ${n} sysctl -q net/ipv6/conf/default/accept_dad=0
done
}
@@ -337,8 +350,6 @@ setup_vti() {
${ns_a} ip link set vti${proto}_a up
${ns_b} ip link set vti${proto}_b up
sleep 1
}
setup_vti4() {
@@ -375,8 +386,6 @@ setup_vxlan_or_geneve() {
${ns_a} ip link set ${type}_a up
${ns_b} ip link set ${type}_b up
sleep 1
}
setup_geneve4() {
@@ -588,8 +597,8 @@ test_pmtu_ipvX() {
mtu "${ns_b}" veth_B-R2 1500
# Create route exceptions
${ns_a} ${ping} -q -M want -i 0.1 -w 2 -s 1800 ${dst1} > /dev/null
${ns_a} ${ping} -q -M want -i 0.1 -w 2 -s 1800 ${dst2} > /dev/null
${ns_a} ${ping} -q -M want -i 0.1 -w 1 -s 1800 ${dst1} > /dev/null
${ns_a} ${ping} -q -M want -i 0.1 -w 1 -s 1800 ${dst2} > /dev/null
# Check that exceptions have been created with the correct PMTU
pmtu_1="$(route_get_dst_pmtu_from_exception "${ns_a}" ${dst1})"
@@ -621,7 +630,7 @@ test_pmtu_ipvX() {
# Decrease remote MTU on path via R2, get new exception
mtu "${ns_r2}" veth_R2-B 400
mtu "${ns_b}" veth_B-R2 400
${ns_a} ${ping} -q -M want -i 0.1 -w 2 -s 1400 ${dst2} > /dev/null
${ns_a} ${ping} -q -M want -i 0.1 -w 1 -s 1400 ${dst2} > /dev/null
pmtu_2="$(route_get_dst_pmtu_from_exception "${ns_a}" ${dst2})"
check_pmtu_value "lock 552" "${pmtu_2}" "exceeding MTU, with MTU < min_pmtu" || return 1
@@ -638,7 +647,7 @@ test_pmtu_ipvX() {
check_pmtu_value "1500" "${pmtu_2}" "increasing local MTU" || return 1
# Get new exception
${ns_a} ${ping} -q -M want -i 0.1 -w 2 -s 1400 ${dst2} > /dev/null
${ns_a} ${ping} -q -M want -i 0.1 -w 1 -s 1400 ${dst2} > /dev/null
pmtu_2="$(route_get_dst_pmtu_from_exception "${ns_a}" ${dst2})"
check_pmtu_value "lock 552" "${pmtu_2}" "exceeding MTU, with MTU < min_pmtu" || return 1
}
@@ -687,7 +696,7 @@ test_pmtu_ipvX_over_vxlanY_or_geneveY_exception() {
mtu "${ns_a}" ${type}_a $((${ll_mtu} + 1000))
mtu "${ns_b}" ${type}_b $((${ll_mtu} + 1000))
${ns_a} ${ping} -q -M want -i 0.1 -w 2 -s $((${ll_mtu} + 500)) ${dst} > /dev/null
${ns_a} ${ping} -q -M want -i 0.1 -w 1 -s $((${ll_mtu} + 500)) ${dst} > /dev/null
# Check that exception was created
pmtu="$(route_get_dst_pmtu_from_exception "${ns_a}" ${dst})"
@@ -767,7 +776,7 @@ test_pmtu_ipvX_over_fouY_or_gueY() {
mtu "${ns_a}" ${encap}_a $((${ll_mtu} + 1000))
mtu "${ns_b}" ${encap}_b $((${ll_mtu} + 1000))
${ns_a} ${ping} -q -M want -i 0.1 -w 2 -s $((${ll_mtu} + 500)) ${dst} > /dev/null
${ns_a} ${ping} -q -M want -i 0.1 -w 1 -s $((${ll_mtu} + 500)) ${dst} > /dev/null
# Check that exception was created
pmtu="$(route_get_dst_pmtu_from_exception "${ns_a}" ${dst})"
@@ -825,13 +834,13 @@ test_pmtu_vti4_exception() {
# Send DF packet without exceeding link layer MTU, check that no
# exception is created
${ns_a} ping -q -M want -i 0.1 -w 2 -s ${ping_payload} ${tunnel4_b_addr} > /dev/null
${ns_a} ping -q -M want -i 0.1 -w 1 -s ${ping_payload} ${tunnel4_b_addr} > /dev/null
pmtu="$(route_get_dst_pmtu_from_exception "${ns_a}" ${tunnel4_b_addr})"
check_pmtu_value "" "${pmtu}" "sending packet smaller than PMTU (IP payload length ${esp_payload_rfc4106})" || return 1
# Now exceed link layer MTU by one byte, check that exception is created
# with the right PMTU value
${ns_a} ping -q -M want -i 0.1 -w 2 -s $((ping_payload + 1)) ${tunnel4_b_addr} > /dev/null
${ns_a} ping -q -M want -i 0.1 -w 1 -s $((ping_payload + 1)) ${tunnel4_b_addr} > /dev/null
pmtu="$(route_get_dst_pmtu_from_exception "${ns_a}" ${tunnel4_b_addr})"
check_pmtu_value "${esp_payload_rfc4106}" "${pmtu}" "exceeding PMTU (IP payload length $((esp_payload_rfc4106 + 1)))"
}
@@ -847,7 +856,7 @@ test_pmtu_vti6_exception() {
mtu "${ns_b}" veth_b 4000
mtu "${ns_a}" vti6_a 5000
mtu "${ns_b}" vti6_b 5000
${ns_a} ${ping6} -q -i 0.1 -w 2 -s 60000 ${tunnel6_b_addr} > /dev/null
${ns_a} ${ping6} -q -i 0.1 -w 1 -s 60000 ${tunnel6_b_addr} > /dev/null
# Check that exception was created
pmtu="$(route_get_dst_pmtu_from_exception "${ns_a}" ${tunnel6_b_addr})"
@@ -1008,6 +1017,61 @@ test_pmtu_vti6_link_change_mtu() {
return ${fail}
}
check_command() {
cmd=${1}
if ! which ${cmd} > /dev/null 2>&1; then
err " missing required command: '${cmd}'"
return 1
fi
return 0
}
test_cleanup_vxlanX_exception() {
outer="${1}"
encap="vxlan"
ll_mtu=4000
check_command taskset || return 2
cpu_list=$(grep -m 2 processor /proc/cpuinfo | cut -d ' ' -f 2)
setup namespaces routing ${encap}${outer} || return 2
trace "${ns_a}" ${encap}_a "${ns_b}" ${encap}_b \
"${ns_a}" veth_A-R1 "${ns_r1}" veth_R1-A \
"${ns_b}" veth_B-R1 "${ns_r1}" veth_R1-B
# Create route exception by exceeding link layer MTU
mtu "${ns_a}" veth_A-R1 $((${ll_mtu} + 1000))
mtu "${ns_r1}" veth_R1-A $((${ll_mtu} + 1000))
mtu "${ns_b}" veth_B-R1 ${ll_mtu}
mtu "${ns_r1}" veth_R1-B ${ll_mtu}
mtu "${ns_a}" ${encap}_a $((${ll_mtu} + 1000))
mtu "${ns_b}" ${encap}_b $((${ll_mtu} + 1000))
# Fill exception cache for multiple CPUs (2)
# we can always use inner IPv4 for that
for cpu in ${cpu_list}; do
taskset --cpu-list ${cpu} ${ns_a} ping -q -M want -i 0.1 -w 1 -s $((${ll_mtu} + 500)) ${tunnel4_b_addr} > /dev/null
done
${ns_a} ip link del dev veth_A-R1 &
iplink_pid=$!
sleep 1
if [ "$(cat /proc/${iplink_pid}/cmdline 2>/dev/null | tr -d '\0')" = "iplinkdeldevveth_A-R1" ]; then
err " can't delete veth device in a timely manner, PMTU dst likely leaked"
return 1
fi
}
test_cleanup_ipv6_exception() {
test_cleanup_vxlanX_exception 6
}
test_cleanup_ipv4_exception() {
test_cleanup_vxlanX_exception 4
}
usage() {
echo
echo "$0 [OPTIONS] [TEST]..."

8
tools/testing/selftests/net/udpgro.sh
View File

@@ -37,7 +37,7 @@ run_one() {
cfg_veth
ip netns exec "${PEER_NS}" ./udpgso_bench_rx ${rx_args} && \
ip netns exec "${PEER_NS}" ./udpgso_bench_rx -C 1000 -R 10 ${rx_args} && \
echo "ok" || \
echo "failed" &
@@ -81,7 +81,7 @@ run_one_nat() {
# will land on the 'plain' one
ip netns exec "${PEER_NS}" ./udpgso_bench_rx -G ${family} -b ${addr1} -n 0 &
pid=$!
ip netns exec "${PEER_NS}" ./udpgso_bench_rx ${family} -b ${addr2%/*} ${rx_args} && \
ip netns exec "${PEER_NS}" ./udpgso_bench_rx -C 1000 -R 10 ${family} -b ${addr2%/*} ${rx_args} && \
echo "ok" || \
echo "failed"&
@@ -99,8 +99,8 @@ run_one_2sock() {
cfg_veth
ip netns exec "${PEER_NS}" ./udpgso_bench_rx ${rx_args} -p 12345 &
ip netns exec "${PEER_NS}" ./udpgso_bench_rx ${rx_args} && \
ip netns exec "${PEER_NS}" ./udpgso_bench_rx -C 1000 -R 10 ${rx_args} -p 12345 &
ip netns exec "${PEER_NS}" ./udpgso_bench_rx -C 2000 -R 10 ${rx_args} && \
echo "ok" || \
echo "failed" &

42
tools/testing/selftests/net/udpgso_bench_rx.c
View File

@@ -45,6 +45,8 @@ static int cfg_alen = sizeof(struct sockaddr_in6);
static int cfg_expected_pkt_nr;
static int cfg_expected_pkt_len;
static int cfg_expected_gso_size;
static int cfg_connect_timeout_ms;
static int cfg_rcv_timeout_ms;
static struct sockaddr_storage cfg_bind_addr;
static bool interrupted;
@@ -87,7 +89,7 @@ static unsigned long gettimeofday_ms(void)
return (tv.tv_sec * 1000) + (tv.tv_usec / 1000);
}
static void do_poll(int fd)
static void do_poll(int fd, int timeout_ms)
{
struct pollfd pfd;
int ret;
@@ -102,8 +104,16 @@ static void do_poll(int fd)
break;
if (ret == -1)
error(1, errno, "poll");
if (ret == 0)
continue;
if (ret == 0) {
if (!timeout_ms)
continue;
timeout_ms -= 10;
if (timeout_ms <= 0) {
interrupted = true;
break;
}
}
if (pfd.revents != POLLIN)
error(1, errno, "poll: 0x%x expected 0x%x\n",
pfd.revents, POLLIN);
@@ -134,7 +144,7 @@ static int do_socket(bool do_tcp)
if (listen(accept_fd, 1))
error(1, errno, "listen");
do_poll(accept_fd);
do_poll(accept_fd, cfg_connect_timeout_ms);
if (interrupted)
exit(0);
@@ -273,7 +283,9 @@ static void do_flush_udp(int fd)
static void usage(const char *filepath)
{
error(1, 0, "Usage: %s [-Grtv] [-b addr] [-p port] [-l pktlen] [-n packetnr] [-S gsosize]", filepath);
error(1, 0, "Usage: %s [-C connect_timeout] [-Grtv] [-b addr] [-p port]"
" [-l pktlen] [-n packetnr] [-R rcv_timeout] [-S gsosize]",
filepath);
}
static void parse_opts(int argc, char **argv)
@@ -282,7 +294,7 @@ static void parse_opts(int argc, char **argv)
/* bind to any by default */
setup_sockaddr(PF_INET6, "::", &cfg_bind_addr);
while ((c = getopt(argc, argv, "4b:Gl:n:p:rS:tv")) != -1) {
while ((c = getopt(argc, argv, "4b:C:Gl:n:p:rR:S:tv")) != -1) {
switch (c) {
case '4':
cfg_family = PF_INET;
@@ -292,6 +304,9 @@ static void parse_opts(int argc, char **argv)
case 'b':
setup_sockaddr(cfg_family, optarg, &cfg_bind_addr);
break;
case 'C':
cfg_connect_timeout_ms = strtoul(optarg, NULL, 0);
break;
case 'G':
cfg_gro_segment = true;
break;
@@ -307,6 +322,9 @@ static void parse_opts(int argc, char **argv)
case 'r':
cfg_read_all = true;
break;
case 'R':
cfg_rcv_timeout_ms = strtoul(optarg, NULL, 0);
break;
case 'S':
cfg_expected_gso_size = strtol(optarg, NULL, 0);
break;
@@ -329,8 +347,9 @@ static void parse_opts(int argc, char **argv)
static void do_recv(void)
{
int timeout_ms = cfg_tcp ? cfg_rcv_timeout_ms : cfg_connect_timeout_ms;
unsigned long tnow, treport;
int fd, loop = 0;
int fd;
fd = do_socket(cfg_tcp);
@@ -342,12 +361,7 @@ static void do_recv(void)
treport = gettimeofday_ms() + 1000;
do {
/* force termination after the second poll(); this cope both
* with sender slower than receiver and missing packet errors
*/
if (cfg_expected_pkt_nr && loop++)
interrupted = true;
do_poll(fd);
do_poll(fd, timeout_ms);
if (cfg_tcp)
do_flush_tcp(fd);
@@ -365,6 +379,8 @@ static void do_recv(void)
treport = tnow + 1000;
}
timeout_ms = cfg_rcv_timeout_ms;
} while (!interrupted);
if (cfg_expected_pkt_nr && (packets != cfg_expected_pkt_nr))