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1// SPDX-License-Identifier: GPL-2.02 3/**4 * Test XDP bonding support5 *6 * Sets up two bonded veth pairs between two fresh namespaces7 * and verifies that XDP_TX program loaded on a bond device8 * are correctly loaded onto the slave devices and XDP_TX'd9 * packets are balanced using bonding.10 */11 12#define _GNU_SOURCE13#include <sched.h>14#include <net/if.h>15#include <linux/if_link.h>16#include "test_progs.h"17#include "network_helpers.h"18#include <linux/if_bonding.h>19#include <linux/limits.h>20#include <linux/udp.h>21#include <uapi/linux/netdev.h>22 23#include "xdp_dummy.skel.h"24#include "xdp_redirect_multi_kern.skel.h"25#include "xdp_tx.skel.h"26 27#define BOND1_MAC {0x00, 0x11, 0x22, 0x33, 0x44, 0x55}28#define BOND1_MAC_STR "00:11:22:33:44:55"29#define BOND2_MAC {0x00, 0x22, 0x33, 0x44, 0x55, 0x66}30#define BOND2_MAC_STR "00:22:33:44:55:66"31#define NPACKETS 10032 33static int root_netns_fd = -1;34 35static void restore_root_netns(void)36{37 ASSERT_OK(setns(root_netns_fd, CLONE_NEWNET), "restore_root_netns");38}39 40static int setns_by_name(char *name)41{42 int nsfd, err;43 char nspath[PATH_MAX];44 45 snprintf(nspath, sizeof(nspath), "%s/%s", "/var/run/netns", name);46 nsfd = open(nspath, O_RDONLY | O_CLOEXEC);47 if (nsfd < 0)48 return -1;49 50 err = setns(nsfd, CLONE_NEWNET);51 close(nsfd);52 return err;53}54 55static int get_rx_packets(const char *iface)56{57 FILE *f;58 char line[512];59 int iface_len = strlen(iface);60 61 f = fopen("/proc/net/dev", "r");62 if (!f)63 return -1;64 65 while (fgets(line, sizeof(line), f)) {66 char *p = line;67 68 while (*p == ' ')69 p++; /* skip whitespace */70 if (!strncmp(p, iface, iface_len)) {71 p += iface_len;72 if (*p++ != ':')73 continue;74 while (*p == ' ')75 p++; /* skip whitespace */76 while (*p && *p != ' ')77 p++; /* skip rx bytes */78 while (*p == ' ')79 p++; /* skip whitespace */80 fclose(f);81 return atoi(p);82 }83 }84 fclose(f);85 return -1;86}87 88#define MAX_BPF_LINKS 889 90struct skeletons {91 struct xdp_dummy *xdp_dummy;92 struct xdp_tx *xdp_tx;93 struct xdp_redirect_multi_kern *xdp_redirect_multi_kern;94 95 int nlinks;96 struct bpf_link *links[MAX_BPF_LINKS];97};98 99static int xdp_attach(struct skeletons *skeletons, struct bpf_program *prog, char *iface)100{101 struct bpf_link *link;102 int ifindex;103 104 ifindex = if_nametoindex(iface);105 if (!ASSERT_GT(ifindex, 0, "get ifindex"))106 return -1;107 108 if (!ASSERT_LE(skeletons->nlinks+1, MAX_BPF_LINKS, "too many XDP programs attached"))109 return -1;110 111 link = bpf_program__attach_xdp(prog, ifindex);112 if (!ASSERT_OK_PTR(link, "attach xdp program"))113 return -1;114 115 skeletons->links[skeletons->nlinks++] = link;116 return 0;117}118 119enum {120 BOND_ONE_NO_ATTACH = 0,121 BOND_BOTH_AND_ATTACH,122};123 124static const char * const mode_names[] = {125 [BOND_MODE_ROUNDROBIN] = "balance-rr",126 [BOND_MODE_ACTIVEBACKUP] = "active-backup",127 [BOND_MODE_XOR] = "balance-xor",128 [BOND_MODE_BROADCAST] = "broadcast",129 [BOND_MODE_8023AD] = "802.3ad",130 [BOND_MODE_TLB] = "balance-tlb",131 [BOND_MODE_ALB] = "balance-alb",132};133 134static const char * const xmit_policy_names[] = {135 [BOND_XMIT_POLICY_LAYER2] = "layer2",136 [BOND_XMIT_POLICY_LAYER34] = "layer3+4",137 [BOND_XMIT_POLICY_LAYER23] = "layer2+3",138 [BOND_XMIT_POLICY_ENCAP23] = "encap2+3",139 [BOND_XMIT_POLICY_ENCAP34] = "encap3+4",140};141 142static int bonding_setup(struct skeletons *skeletons, int mode, int xmit_policy,143 int bond_both_attach)144{145 SYS(fail, "ip netns add ns_dst");146 SYS(fail, "ip link add veth1_1 type veth peer name veth2_1 netns ns_dst");147 SYS(fail, "ip link add veth1_2 type veth peer name veth2_2 netns ns_dst");148 149 SYS(fail, "ip link add bond1 type bond mode %s xmit_hash_policy %s",150 mode_names[mode], xmit_policy_names[xmit_policy]);151 SYS(fail, "ip link set bond1 up address " BOND1_MAC_STR " addrgenmode none");152 SYS(fail, "ip -netns ns_dst link add bond2 type bond mode %s xmit_hash_policy %s",153 mode_names[mode], xmit_policy_names[xmit_policy]);154 SYS(fail, "ip -netns ns_dst link set bond2 up address " BOND2_MAC_STR " addrgenmode none");155 156 SYS(fail, "ip link set veth1_1 master bond1");157 if (bond_both_attach == BOND_BOTH_AND_ATTACH) {158 SYS(fail, "ip link set veth1_2 master bond1");159 } else {160 SYS(fail, "ip link set veth1_2 up addrgenmode none");161 162 if (xdp_attach(skeletons, skeletons->xdp_dummy->progs.xdp_dummy_prog, "veth1_2"))163 return -1;164 }165 166 SYS(fail, "ip -netns ns_dst link set veth2_1 master bond2");167 168 if (bond_both_attach == BOND_BOTH_AND_ATTACH)169 SYS(fail, "ip -netns ns_dst link set veth2_2 master bond2");170 else171 SYS(fail, "ip -netns ns_dst link set veth2_2 up addrgenmode none");172 173 /* Load a dummy program on sending side as with veth peer needs to have a174 * XDP program loaded as well.175 */176 if (xdp_attach(skeletons, skeletons->xdp_dummy->progs.xdp_dummy_prog, "bond1"))177 return -1;178 179 if (bond_both_attach == BOND_BOTH_AND_ATTACH) {180 if (!ASSERT_OK(setns_by_name("ns_dst"), "set netns to ns_dst"))181 return -1;182 183 if (xdp_attach(skeletons, skeletons->xdp_tx->progs.xdp_tx, "bond2"))184 return -1;185 186 restore_root_netns();187 }188 189 return 0;190fail:191 return -1;192}193 194static void bonding_cleanup(struct skeletons *skeletons)195{196 restore_root_netns();197 while (skeletons->nlinks) {198 skeletons->nlinks--;199 bpf_link__destroy(skeletons->links[skeletons->nlinks]);200 }201 ASSERT_OK(system("ip link delete bond1"), "delete bond1");202 ASSERT_OK(system("ip link delete veth1_1"), "delete veth1_1");203 ASSERT_OK(system("ip link delete veth1_2"), "delete veth1_2");204 ASSERT_OK(system("ip netns delete ns_dst"), "delete ns_dst");205}206 207static int send_udp_packets(int vary_dst_ip)208{209 struct ethhdr eh = {210 .h_source = BOND1_MAC,211 .h_dest = BOND2_MAC,212 .h_proto = htons(ETH_P_IP),213 };214 struct iphdr iph = {};215 struct udphdr uh = {};216 uint8_t buf[128];217 int i, s = -1;218 int ifindex;219 220 s = socket(AF_PACKET, SOCK_RAW, IPPROTO_RAW);221 if (!ASSERT_GE(s, 0, "socket"))222 goto err;223 224 ifindex = if_nametoindex("bond1");225 if (!ASSERT_GT(ifindex, 0, "get bond1 ifindex"))226 goto err;227 228 iph.ihl = 5;229 iph.version = 4;230 iph.tos = 16;231 iph.id = 1;232 iph.ttl = 64;233 iph.protocol = IPPROTO_UDP;234 iph.saddr = 1;235 iph.daddr = 2;236 iph.tot_len = htons(sizeof(buf) - ETH_HLEN);237 iph.check = 0;238 239 for (i = 1; i <= NPACKETS; i++) {240 int n;241 struct sockaddr_ll saddr_ll = {242 .sll_ifindex = ifindex,243 .sll_halen = ETH_ALEN,244 .sll_addr = BOND2_MAC,245 };246 247 /* vary the UDP destination port for even distribution with roundrobin/xor modes */248 uh.dest++;249 250 if (vary_dst_ip)251 iph.daddr++;252 253 /* construct a packet */254 memcpy(buf, &eh, sizeof(eh));255 memcpy(buf + sizeof(eh), &iph, sizeof(iph));256 memcpy(buf + sizeof(eh) + sizeof(iph), &uh, sizeof(uh));257 258 n = sendto(s, buf, sizeof(buf), 0, (struct sockaddr *)&saddr_ll, sizeof(saddr_ll));259 if (!ASSERT_EQ(n, sizeof(buf), "sendto"))260 goto err;261 }262 263 return 0;264 265err:266 if (s >= 0)267 close(s);268 return -1;269}270 271static void test_xdp_bonding_with_mode(struct skeletons *skeletons, int mode, int xmit_policy)272{273 int bond1_rx;274 275 if (bonding_setup(skeletons, mode, xmit_policy, BOND_BOTH_AND_ATTACH))276 goto out;277 278 if (send_udp_packets(xmit_policy != BOND_XMIT_POLICY_LAYER34))279 goto out;280 281 bond1_rx = get_rx_packets("bond1");282 ASSERT_EQ(bond1_rx, NPACKETS, "expected more received packets");283 284 switch (mode) {285 case BOND_MODE_ROUNDROBIN:286 case BOND_MODE_XOR: {287 int veth1_rx = get_rx_packets("veth1_1");288 int veth2_rx = get_rx_packets("veth1_2");289 int diff = abs(veth1_rx - veth2_rx);290 291 ASSERT_GE(veth1_rx + veth2_rx, NPACKETS, "expected more packets");292 293 switch (xmit_policy) {294 case BOND_XMIT_POLICY_LAYER2:295 ASSERT_GE(diff, NPACKETS,296 "expected packets on only one of the interfaces");297 break;298 case BOND_XMIT_POLICY_LAYER23:299 case BOND_XMIT_POLICY_LAYER34:300 ASSERT_LT(diff, NPACKETS/2,301 "expected even distribution of packets");302 break;303 default:304 PRINT_FAIL("Unimplemented xmit_policy=%d\n", xmit_policy);305 break;306 }307 break;308 }309 case BOND_MODE_ACTIVEBACKUP: {310 int veth1_rx = get_rx_packets("veth1_1");311 int veth2_rx = get_rx_packets("veth1_2");312 int diff = abs(veth1_rx - veth2_rx);313 314 ASSERT_GE(diff, NPACKETS,315 "expected packets on only one of the interfaces");316 break;317 }318 default:319 PRINT_FAIL("Unimplemented xmit_policy=%d\n", xmit_policy);320 break;321 }322 323out:324 bonding_cleanup(skeletons);325}326 327/* Test the broadcast redirection using xdp_redirect_map_multi_prog and adding328 * all the interfaces to it and checking that broadcasting won't send the packet329 * to neither the ingress bond device (bond2) or its slave (veth2_1).330 */331static void test_xdp_bonding_redirect_multi(struct skeletons *skeletons)332{333 static const char * const ifaces[] = {"bond2", "veth2_1", "veth2_2"};334 int veth1_1_rx, veth1_2_rx;335 int err;336 337 if (bonding_setup(skeletons, BOND_MODE_ROUNDROBIN, BOND_XMIT_POLICY_LAYER23,338 BOND_ONE_NO_ATTACH))339 goto out;340 341 342 if (!ASSERT_OK(setns_by_name("ns_dst"), "could not set netns to ns_dst"))343 goto out;344 345 /* populate the devmap with the relevant interfaces */346 for (int i = 0; i < ARRAY_SIZE(ifaces); i++) {347 int ifindex = if_nametoindex(ifaces[i]);348 int map_fd = bpf_map__fd(skeletons->xdp_redirect_multi_kern->maps.map_all);349 350 if (!ASSERT_GT(ifindex, 0, "could not get interface index"))351 goto out;352 353 err = bpf_map_update_elem(map_fd, &ifindex, &ifindex, 0);354 if (!ASSERT_OK(err, "add interface to map_all"))355 goto out;356 }357 358 if (xdp_attach(skeletons,359 skeletons->xdp_redirect_multi_kern->progs.xdp_redirect_map_multi_prog,360 "bond2"))361 goto out;362 363 restore_root_netns();364 365 if (send_udp_packets(BOND_MODE_ROUNDROBIN))366 goto out;367 368 veth1_1_rx = get_rx_packets("veth1_1");369 veth1_2_rx = get_rx_packets("veth1_2");370 371 ASSERT_EQ(veth1_1_rx, 0, "expected no packets on veth1_1");372 ASSERT_GE(veth1_2_rx, NPACKETS, "expected packets on veth1_2");373 374out:375 restore_root_netns();376 bonding_cleanup(skeletons);377}378 379/* Test that XDP programs cannot be attached to both the bond master and slaves simultaneously */380static void test_xdp_bonding_attach(struct skeletons *skeletons)381{382 struct bpf_link *link = NULL;383 struct bpf_link *link2 = NULL;384 int veth, bond, err;385 386 if (!ASSERT_OK(system("ip link add veth type veth"), "add veth"))387 goto out;388 if (!ASSERT_OK(system("ip link add bond type bond"), "add bond"))389 goto out;390 391 veth = if_nametoindex("veth");392 if (!ASSERT_GE(veth, 0, "if_nametoindex veth"))393 goto out;394 bond = if_nametoindex("bond");395 if (!ASSERT_GE(bond, 0, "if_nametoindex bond"))396 goto out;397 398 /* enslaving with a XDP program loaded is allowed */399 link = bpf_program__attach_xdp(skeletons->xdp_dummy->progs.xdp_dummy_prog, veth);400 if (!ASSERT_OK_PTR(link, "attach program to veth"))401 goto out;402 403 err = system("ip link set veth master bond");404 if (!ASSERT_OK(err, "set veth master"))405 goto out;406 407 bpf_link__destroy(link);408 link = NULL;409 410 /* attaching to slave when master has no program is allowed */411 link = bpf_program__attach_xdp(skeletons->xdp_dummy->progs.xdp_dummy_prog, veth);412 if (!ASSERT_OK_PTR(link, "attach program to slave when enslaved"))413 goto out;414 415 /* attaching to master not allowed when slave has program loaded */416 link2 = bpf_program__attach_xdp(skeletons->xdp_dummy->progs.xdp_dummy_prog, bond);417 if (!ASSERT_ERR_PTR(link2, "attach program to master when slave has program"))418 goto out;419 420 bpf_link__destroy(link);421 link = NULL;422 423 /* attaching XDP program to master allowed when slave has no program */424 link = bpf_program__attach_xdp(skeletons->xdp_dummy->progs.xdp_dummy_prog, bond);425 if (!ASSERT_OK_PTR(link, "attach program to master"))426 goto out;427 428 /* attaching to slave not allowed when master has program loaded */429 link2 = bpf_program__attach_xdp(skeletons->xdp_dummy->progs.xdp_dummy_prog, veth);430 if (!ASSERT_ERR_PTR(link2, "attach program to slave when master has program"))431 goto out;432 433 bpf_link__destroy(link);434 link = NULL;435 436 /* test program unwinding with a non-XDP slave */437 if (!ASSERT_OK(system("ip link add vxlan type vxlan id 1 remote 1.2.3.4 dstport 0 dev lo"),438 "add vxlan"))439 goto out;440 441 err = system("ip link set vxlan master bond");442 if (!ASSERT_OK(err, "set vxlan master"))443 goto out;444 445 /* attaching not allowed when one slave does not support XDP */446 link = bpf_program__attach_xdp(skeletons->xdp_dummy->progs.xdp_dummy_prog, bond);447 if (!ASSERT_ERR_PTR(link, "attach program to master when slave does not support XDP"))448 goto out;449 450out:451 bpf_link__destroy(link);452 bpf_link__destroy(link2);453 454 system("ip link del veth");455 system("ip link del bond");456 system("ip link del vxlan");457}458 459/* Test with nested bonding devices to catch issue with negative jump label count */460static void test_xdp_bonding_nested(struct skeletons *skeletons)461{462 struct bpf_link *link = NULL;463 int bond, err;464 465 if (!ASSERT_OK(system("ip link add bond type bond"), "add bond"))466 goto out;467 468 bond = if_nametoindex("bond");469 if (!ASSERT_GE(bond, 0, "if_nametoindex bond"))470 goto out;471 472 if (!ASSERT_OK(system("ip link add bond_nest1 type bond"), "add bond_nest1"))473 goto out;474 475 err = system("ip link set bond_nest1 master bond");476 if (!ASSERT_OK(err, "set bond_nest1 master"))477 goto out;478 479 if (!ASSERT_OK(system("ip link add bond_nest2 type bond"), "add bond_nest1"))480 goto out;481 482 err = system("ip link set bond_nest2 master bond_nest1");483 if (!ASSERT_OK(err, "set bond_nest2 master"))484 goto out;485 486 link = bpf_program__attach_xdp(skeletons->xdp_dummy->progs.xdp_dummy_prog, bond);487 ASSERT_OK_PTR(link, "attach program to master");488 489out:490 bpf_link__destroy(link);491 system("ip link del bond");492 system("ip link del bond_nest1");493 system("ip link del bond_nest2");494}495 496static void test_xdp_bonding_features(struct skeletons *skeletons)497{498 LIBBPF_OPTS(bpf_xdp_query_opts, query_opts);499 int bond_idx, veth1_idx, err;500 struct bpf_link *link = NULL;501 502 if (!ASSERT_OK(system("ip link add bond type bond"), "add bond"))503 goto out;504 505 bond_idx = if_nametoindex("bond");506 if (!ASSERT_GE(bond_idx, 0, "if_nametoindex bond"))507 goto out;508 509 /* query default xdp-feature for bond device */510 err = bpf_xdp_query(bond_idx, XDP_FLAGS_DRV_MODE, &query_opts);511 if (!ASSERT_OK(err, "bond bpf_xdp_query"))512 goto out;513 514 if (!ASSERT_EQ(query_opts.feature_flags, 0,515 "bond query_opts.feature_flags"))516 goto out;517 518 if (!ASSERT_OK(system("ip link add veth0 type veth peer name veth1"),519 "add veth{0,1} pair"))520 goto out;521 522 if (!ASSERT_OK(system("ip link add veth2 type veth peer name veth3"),523 "add veth{2,3} pair"))524 goto out;525 526 if (!ASSERT_OK(system("ip link set veth0 master bond"),527 "add veth0 to master bond"))528 goto out;529 530 /* xdp-feature for bond device should be obtained from the single slave531 * device (veth0)532 */533 err = bpf_xdp_query(bond_idx, XDP_FLAGS_DRV_MODE, &query_opts);534 if (!ASSERT_OK(err, "bond bpf_xdp_query"))535 goto out;536 537 if (!ASSERT_EQ(query_opts.feature_flags,538 NETDEV_XDP_ACT_BASIC | NETDEV_XDP_ACT_REDIRECT |539 NETDEV_XDP_ACT_RX_SG,540 "bond query_opts.feature_flags"))541 goto out;542 543 veth1_idx = if_nametoindex("veth1");544 if (!ASSERT_GE(veth1_idx, 0, "if_nametoindex veth1"))545 goto out;546 547 link = bpf_program__attach_xdp(skeletons->xdp_dummy->progs.xdp_dummy_prog,548 veth1_idx);549 if (!ASSERT_OK_PTR(link, "attach program to veth1"))550 goto out;551 552 /* xdp-feature for veth0 are changed */553 err = bpf_xdp_query(bond_idx, XDP_FLAGS_DRV_MODE, &query_opts);554 if (!ASSERT_OK(err, "bond bpf_xdp_query"))555 goto out;556 557 if (!ASSERT_EQ(query_opts.feature_flags,558 NETDEV_XDP_ACT_BASIC | NETDEV_XDP_ACT_REDIRECT |559 NETDEV_XDP_ACT_RX_SG | NETDEV_XDP_ACT_NDO_XMIT |560 NETDEV_XDP_ACT_NDO_XMIT_SG,561 "bond query_opts.feature_flags"))562 goto out;563 564 if (!ASSERT_OK(system("ip link set veth2 master bond"),565 "add veth2 to master bond"))566 goto out;567 568 err = bpf_xdp_query(bond_idx, XDP_FLAGS_DRV_MODE, &query_opts);569 if (!ASSERT_OK(err, "bond bpf_xdp_query"))570 goto out;571 572 /* xdp-feature for bond device should be set to the most restrict573 * value obtained from attached slave devices (veth0 and veth2)574 */575 if (!ASSERT_EQ(query_opts.feature_flags,576 NETDEV_XDP_ACT_BASIC | NETDEV_XDP_ACT_REDIRECT |577 NETDEV_XDP_ACT_RX_SG,578 "bond query_opts.feature_flags"))579 goto out;580 581 if (!ASSERT_OK(system("ip link set veth2 nomaster"),582 "del veth2 to master bond"))583 goto out;584 585 err = bpf_xdp_query(bond_idx, XDP_FLAGS_DRV_MODE, &query_opts);586 if (!ASSERT_OK(err, "bond bpf_xdp_query"))587 goto out;588 589 if (!ASSERT_EQ(query_opts.feature_flags,590 NETDEV_XDP_ACT_BASIC | NETDEV_XDP_ACT_REDIRECT |591 NETDEV_XDP_ACT_RX_SG | NETDEV_XDP_ACT_NDO_XMIT |592 NETDEV_XDP_ACT_NDO_XMIT_SG,593 "bond query_opts.feature_flags"))594 goto out;595 596 if (!ASSERT_OK(system("ip link set veth0 nomaster"),597 "del veth0 to master bond"))598 goto out;599 600 err = bpf_xdp_query(bond_idx, XDP_FLAGS_DRV_MODE, &query_opts);601 if (!ASSERT_OK(err, "bond bpf_xdp_query"))602 goto out;603 604 ASSERT_EQ(query_opts.feature_flags, 0,605 "bond query_opts.feature_flags");606out:607 bpf_link__destroy(link);608 system("ip link del veth0");609 system("ip link del veth2");610 system("ip link del bond");611}612 613static int libbpf_debug_print(enum libbpf_print_level level,614 const char *format, va_list args)615{616 if (level != LIBBPF_WARN)617 vprintf(format, args);618 return 0;619}620 621struct bond_test_case {622 char *name;623 int mode;624 int xmit_policy;625};626 627static struct bond_test_case bond_test_cases[] = {628 { "xdp_bonding_roundrobin", BOND_MODE_ROUNDROBIN, BOND_XMIT_POLICY_LAYER23, },629 { "xdp_bonding_activebackup", BOND_MODE_ACTIVEBACKUP, BOND_XMIT_POLICY_LAYER23 },630 631 { "xdp_bonding_xor_layer2", BOND_MODE_XOR, BOND_XMIT_POLICY_LAYER2, },632 { "xdp_bonding_xor_layer23", BOND_MODE_XOR, BOND_XMIT_POLICY_LAYER23, },633 { "xdp_bonding_xor_layer34", BOND_MODE_XOR, BOND_XMIT_POLICY_LAYER34, },634};635 636void serial_test_xdp_bonding(void)637{638 libbpf_print_fn_t old_print_fn;639 struct skeletons skeletons = {};640 int i;641 642 old_print_fn = libbpf_set_print(libbpf_debug_print);643 644 root_netns_fd = open("/proc/self/ns/net", O_RDONLY);645 if (!ASSERT_GE(root_netns_fd, 0, "open /proc/self/ns/net"))646 goto out;647 648 skeletons.xdp_dummy = xdp_dummy__open_and_load();649 if (!ASSERT_OK_PTR(skeletons.xdp_dummy, "xdp_dummy__open_and_load"))650 goto out;651 652 skeletons.xdp_tx = xdp_tx__open_and_load();653 if (!ASSERT_OK_PTR(skeletons.xdp_tx, "xdp_tx__open_and_load"))654 goto out;655 656 skeletons.xdp_redirect_multi_kern = xdp_redirect_multi_kern__open_and_load();657 if (!ASSERT_OK_PTR(skeletons.xdp_redirect_multi_kern,658 "xdp_redirect_multi_kern__open_and_load"))659 goto out;660 661 if (test__start_subtest("xdp_bonding_attach"))662 test_xdp_bonding_attach(&skeletons);663 664 if (test__start_subtest("xdp_bonding_nested"))665 test_xdp_bonding_nested(&skeletons);666 667 if (test__start_subtest("xdp_bonding_features"))668 test_xdp_bonding_features(&skeletons);669 670 for (i = 0; i < ARRAY_SIZE(bond_test_cases); i++) {671 struct bond_test_case *test_case = &bond_test_cases[i];672 673 if (test__start_subtest(test_case->name))674 test_xdp_bonding_with_mode(675 &skeletons,676 test_case->mode,677 test_case->xmit_policy);678 }679 680 if (test__start_subtest("xdp_bonding_redirect_multi"))681 test_xdp_bonding_redirect_multi(&skeletons);682 683out:684 xdp_dummy__destroy(skeletons.xdp_dummy);685 xdp_tx__destroy(skeletons.xdp_tx);686 xdp_redirect_multi_kern__destroy(skeletons.xdp_redirect_multi_kern);687 688 libbpf_set_print(old_print_fn);689 if (root_netns_fd >= 0)690 close(root_netns_fd);691}692