1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
|
// SPDX-License-Identifier: GPL-2.0
#include <net/if.h>
#include <stdarg.h>
#include "network_helpers.h"
#include "test_progs.h"
#include "test_xsk.h"
#include "xsk_xdp_progs.skel.h"
#define VETH_RX "veth0"
#define VETH_TX "veth1"
#define MTU 1500
int setup_veth(bool busy_poll)
{
SYS(fail,
"ip link add %s numtxqueues 4 numrxqueues 4 type veth peer name %s numtxqueues 4 numrxqueues 4",
VETH_RX, VETH_TX);
SYS(fail, "sysctl -wq net.ipv6.conf.%s.disable_ipv6=1", VETH_RX);
SYS(fail, "sysctl -wq net.ipv6.conf.%s.disable_ipv6=1", VETH_TX);
if (busy_poll) {
SYS(fail, "echo 2 > /sys/class/net/%s/napi_defer_hard_irqs", VETH_RX);
SYS(fail, "echo 200000 > /sys/class/net/%s/gro_flush_timeout", VETH_RX);
SYS(fail, "echo 2 > /sys/class/net/%s/napi_defer_hard_irqs", VETH_TX);
SYS(fail, "echo 200000 > /sys/class/net/%s/gro_flush_timeout", VETH_TX);
}
SYS(fail, "ip link set %s mtu %d", VETH_RX, MTU);
SYS(fail, "ip link set %s mtu %d", VETH_TX, MTU);
SYS(fail, "ip link set %s up", VETH_RX);
SYS(fail, "ip link set %s up", VETH_TX);
return 0;
fail:
return -1;
}
void delete_veth(void)
{
SYS_NOFAIL("ip link del %s", VETH_RX);
SYS_NOFAIL("ip link del %s", VETH_TX);
}
int configure_ifobj(struct ifobject *tx, struct ifobject *rx)
{
rx->ifindex = if_nametoindex(VETH_RX);
if (!ASSERT_OK_FD(rx->ifindex, "get RX ifindex"))
return -1;
tx->ifindex = if_nametoindex(VETH_TX);
if (!ASSERT_OK_FD(tx->ifindex, "get TX ifindex"))
return -1;
tx->shared_umem = false;
rx->shared_umem = false;
return 0;
}
static void test_xsk(const struct test_spec *test_to_run, enum test_mode mode)
{
struct ifobject *ifobj_tx, *ifobj_rx;
struct test_spec test;
int ret;
ifobj_tx = ifobject_create();
if (!ASSERT_OK_PTR(ifobj_tx, "create ifobj_tx"))
return;
ifobj_rx = ifobject_create();
if (!ASSERT_OK_PTR(ifobj_rx, "create ifobj_rx"))
goto delete_tx;
if (!ASSERT_OK(configure_ifobj(ifobj_tx, ifobj_rx), "conigure ifobj"))
goto delete_rx;
ret = get_hw_ring_size(ifobj_tx->ifname, &ifobj_tx->ring);
if (!ret) {
ifobj_tx->hw_ring_size_supp = true;
ifobj_tx->set_ring.default_tx = ifobj_tx->ring.tx_pending;
ifobj_tx->set_ring.default_rx = ifobj_tx->ring.rx_pending;
}
if (!ASSERT_OK(init_iface(ifobj_rx, worker_testapp_validate_rx), "init RX"))
goto delete_rx;
if (!ASSERT_OK(init_iface(ifobj_tx, worker_testapp_validate_tx), "init TX"))
goto delete_rx;
test_init(&test, ifobj_tx, ifobj_rx, 0, &tests[0]);
test.tx_pkt_stream_default = pkt_stream_generate(DEFAULT_PKT_CNT, MIN_PKT_SIZE);
if (!ASSERT_OK_PTR(test.tx_pkt_stream_default, "TX pkt generation"))
goto delete_rx;
test.rx_pkt_stream_default = pkt_stream_generate(DEFAULT_PKT_CNT, MIN_PKT_SIZE);
if (!ASSERT_OK_PTR(test.rx_pkt_stream_default, "RX pkt generation"))
goto delete_rx;
test_init(&test, ifobj_tx, ifobj_rx, mode, test_to_run);
ret = test.test_func(&test);
if (ret != TEST_SKIP)
ASSERT_OK(ret, "Run test");
pkt_stream_restore_default(&test);
if (ifobj_tx->hw_ring_size_supp)
hw_ring_size_reset(ifobj_tx);
pkt_stream_delete(test.tx_pkt_stream_default);
pkt_stream_delete(test.rx_pkt_stream_default);
xsk_xdp_progs__destroy(ifobj_tx->xdp_progs);
xsk_xdp_progs__destroy(ifobj_rx->xdp_progs);
delete_rx:
ifobject_delete(ifobj_rx);
delete_tx:
ifobject_delete(ifobj_tx);
}
void test_ns_xsk_skb(void)
{
int i;
if (!ASSERT_OK(setup_veth(false), "setup veth"))
return;
for (i = 0; i < ARRAY_SIZE(tests); i++) {
if (test__start_subtest(tests[i].name))
test_xsk(&tests[i], TEST_MODE_SKB);
}
delete_veth();
}
void test_ns_xsk_drv(void)
{
int i;
if (!ASSERT_OK(setup_veth(false), "setup veth"))
return;
for (i = 0; i < ARRAY_SIZE(tests); i++) {
if (test__start_subtest(tests[i].name))
test_xsk(&tests[i], TEST_MODE_DRV);
}
delete_veth();
}
|
