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-rw-r--r--tools/testing/selftests/bpf/xdpxceiver.c225
1 files changed, 108 insertions, 117 deletions
diff --git a/tools/testing/selftests/bpf/xdpxceiver.c b/tools/testing/selftests/bpf/xdpxceiver.c
index 1e722ee76b1f..f4a96d5ff524 100644
--- a/tools/testing/selftests/bpf/xdpxceiver.c
+++ b/tools/testing/selftests/bpf/xdpxceiver.c
@@ -224,14 +224,14 @@ static inline u16 udp_csum(u32 saddr, u32 daddr, u32 len, u8 proto, u16 *udp_pkt
return csum_tcpudp_magic(saddr, daddr, len, proto, csum);
}
-static void gen_eth_hdr(void *data, struct ethhdr *eth_hdr)
+static void gen_eth_hdr(struct ifobject *ifobject, struct ethhdr *eth_hdr)
{
- memcpy(eth_hdr->h_dest, ((struct ifobject *)data)->dst_mac, ETH_ALEN);
- memcpy(eth_hdr->h_source, ((struct ifobject *)data)->src_mac, ETH_ALEN);
+ memcpy(eth_hdr->h_dest, ifobject->dst_mac, ETH_ALEN);
+ memcpy(eth_hdr->h_source, ifobject->src_mac, ETH_ALEN);
eth_hdr->h_proto = htons(ETH_P_IP);
}
-static void gen_ip_hdr(void *data, struct iphdr *ip_hdr)
+static void gen_ip_hdr(struct ifobject *ifobject, struct iphdr *ip_hdr)
{
ip_hdr->version = IP_PKT_VER;
ip_hdr->ihl = 0x5;
@@ -241,18 +241,18 @@ static void gen_ip_hdr(void *data, struct iphdr *ip_hdr)
ip_hdr->frag_off = 0;
ip_hdr->ttl = IPDEFTTL;
ip_hdr->protocol = IPPROTO_UDP;
- ip_hdr->saddr = ((struct ifobject *)data)->src_ip;
- ip_hdr->daddr = ((struct ifobject *)data)->dst_ip;
+ ip_hdr->saddr = ifobject->src_ip;
+ ip_hdr->daddr = ifobject->dst_ip;
ip_hdr->check = 0;
}
-static void gen_udp_hdr(void *data, void *arg, struct udphdr *udp_hdr)
+static void gen_udp_hdr(struct generic_data *data, struct ifobject *ifobject,
+ struct udphdr *udp_hdr)
{
- udp_hdr->source = htons(((struct ifobject *)arg)->src_port);
- udp_hdr->dest = htons(((struct ifobject *)arg)->dst_port);
+ udp_hdr->source = htons(ifobject->src_port);
+ udp_hdr->dest = htons(ifobject->dst_port);
udp_hdr->len = htons(UDP_PKT_SIZE);
- memset32_htonl(pkt_data + PKT_HDR_SIZE,
- htonl(((struct generic_data *)data)->seqnum), UDP_PKT_DATA_SIZE);
+ memset32_htonl(pkt_data + PKT_HDR_SIZE, htonl(data->seqnum), UDP_PKT_DATA_SIZE);
}
static void gen_udp_csum(struct udphdr *udp_hdr, struct iphdr *ip_hdr)
@@ -382,21 +382,19 @@ static bool switch_namespace(int idx)
static void *nsswitchthread(void *args)
{
- if (switch_namespace(((struct targs *)args)->idx)) {
- ifdict[((struct targs *)args)->idx]->ifindex =
- if_nametoindex(ifdict[((struct targs *)args)->idx]->ifname);
- if (!ifdict[((struct targs *)args)->idx]->ifindex) {
- ksft_test_result_fail
- ("ERROR: [%s] interface \"%s\" does not exist\n",
- __func__, ifdict[((struct targs *)args)->idx]->ifname);
- ((struct targs *)args)->retptr = false;
+ struct targs *targs = args;
+
+ targs->retptr = false;
+
+ if (switch_namespace(targs->idx)) {
+ ifdict[targs->idx]->ifindex = if_nametoindex(ifdict[targs->idx]->ifname);
+ if (!ifdict[targs->idx]->ifindex) {
+ ksft_test_result_fail("ERROR: [%s] interface \"%s\" does not exist\n",
+ __func__, ifdict[targs->idx]->ifname);
} else {
- ksft_print_msg("Interface found: %s\n",
- ifdict[((struct targs *)args)->idx]->ifname);
- ((struct targs *)args)->retptr = true;
+ ksft_print_msg("Interface found: %s\n", ifdict[targs->idx]->ifname);
+ targs->retptr = true;
}
- } else {
- ((struct targs *)args)->retptr = false;
}
pthread_exit(NULL);
}
@@ -413,12 +411,12 @@ static int validate_interfaces(void)
if (strcmp(ifdict[i]->nsname, "")) {
struct targs *targs;
- targs = (struct targs *)malloc(sizeof(struct targs));
+ targs = malloc(sizeof(*targs));
if (!targs)
exit_with_error(errno);
targs->idx = i;
- if (pthread_create(&ns_thread, NULL, nsswitchthread, (void *)targs))
+ if (pthread_create(&ns_thread, NULL, nsswitchthread, targs))
exit_with_error(errno);
pthread_join(ns_thread, NULL);
@@ -569,16 +567,18 @@ static void rx_pkt(struct xsk_socket_info *xsk, struct pollfd *fds)
}
for (i = 0; i < rcvd; i++) {
- u64 addr = xsk_ring_cons__rx_desc(&xsk->rx, idx_rx)->addr;
- (void)xsk_ring_cons__rx_desc(&xsk->rx, idx_rx++)->len;
- u64 orig = xsk_umem__extract_addr(addr);
+ u64 addr, orig;
+
+ addr = xsk_ring_cons__rx_desc(&xsk->rx, idx_rx)->addr;
+ xsk_ring_cons__rx_desc(&xsk->rx, idx_rx++);
+ orig = xsk_umem__extract_addr(addr);
addr = xsk_umem__add_offset_to_addr(addr);
pkt_node_rx = malloc(sizeof(struct pkt) + PKT_SIZE);
if (!pkt_node_rx)
exit_with_error(errno);
- pkt_node_rx->pkt_frame = (char *)malloc(PKT_SIZE);
+ pkt_node_rx->pkt_frame = malloc(PKT_SIZE);
if (!pkt_node_rx->pkt_frame)
exit_with_error(errno);
@@ -628,28 +628,27 @@ static inline int get_batch_size(int pkt_cnt)
return opt_pkt_count - pkt_cnt;
}
-static void complete_tx_only_all(void *arg)
+static void complete_tx_only_all(struct ifobject *ifobject)
{
bool pending;
do {
pending = false;
- if (((struct ifobject *)arg)->xsk->outstanding_tx) {
- complete_tx_only(((struct ifobject *)
- arg)->xsk, BATCH_SIZE);
- pending = !!((struct ifobject *)arg)->xsk->outstanding_tx;
+ if (ifobject->xsk->outstanding_tx) {
+ complete_tx_only(ifobject->xsk, BATCH_SIZE);
+ pending = !!ifobject->xsk->outstanding_tx;
}
} while (pending);
}
-static void tx_only_all(void *arg)
+static void tx_only_all(struct ifobject *ifobject)
{
struct pollfd fds[MAX_SOCKS] = { };
u32 frame_nb = 0;
int pkt_cnt = 0;
int ret;
- fds[0].fd = xsk_socket__fd(((struct ifobject *)arg)->xsk->xsk);
+ fds[0].fd = xsk_socket__fd(ifobject->xsk->xsk);
fds[0].events = POLLOUT;
while ((opt_pkt_count && pkt_cnt < opt_pkt_count) || !opt_pkt_count) {
@@ -664,12 +663,12 @@ static void tx_only_all(void *arg)
continue;
}
- tx_only(((struct ifobject *)arg)->xsk, &frame_nb, batch_size);
+ tx_only(ifobject->xsk, &frame_nb, batch_size);
pkt_cnt += batch_size;
}
if (opt_pkt_count)
- complete_tx_only_all(arg);
+ complete_tx_only_all(ifobject);
}
static void worker_pkt_dump(void)
@@ -727,21 +726,21 @@ static void worker_pkt_dump(void)
static void worker_pkt_validate(void)
{
u32 payloadseqnum = -2;
+ struct iphdr *iphdr;
while (1) {
- pkt_node_rx_q = malloc(sizeof(struct pkt));
pkt_node_rx_q = TAILQ_LAST(&head, head_s);
if (!pkt_node_rx_q)
break;
+
+ iphdr = (struct iphdr *)(pkt_node_rx_q->pkt_frame + sizeof(struct ethhdr));
+
/*do not increment pktcounter if !(tos=0x9 and ipv4) */
- if ((((struct iphdr *)(pkt_node_rx_q->pkt_frame +
- sizeof(struct ethhdr)))->version == IP_PKT_VER)
- && (((struct iphdr *)(pkt_node_rx_q->pkt_frame + sizeof(struct ethhdr)))->tos ==
- IP_PKT_TOS)) {
- payloadseqnum = *((uint32_t *) (pkt_node_rx_q->pkt_frame + PKT_HDR_SIZE));
+ if (iphdr->version == IP_PKT_VER && iphdr->tos == IP_PKT_TOS) {
+ payloadseqnum = *((uint32_t *)(pkt_node_rx_q->pkt_frame + PKT_HDR_SIZE));
if (debug_pkt_dump && payloadseqnum != EOT) {
- pkt_obj = (struct pkt_frame *)malloc(sizeof(struct pkt_frame));
- pkt_obj->payload = (char *)malloc(PKT_SIZE);
+ pkt_obj = malloc(sizeof(*pkt_obj));
+ pkt_obj->payload = malloc(PKT_SIZE);
memcpy(pkt_obj->payload, pkt_node_rx_q->pkt_frame, PKT_SIZE);
pkt_buf[payloadseqnum] = pkt_obj;
}
@@ -759,35 +758,29 @@ static void worker_pkt_validate(void)
ksft_exit_xfail();
}
- TAILQ_REMOVE(&head, pkt_node_rx_q, pkt_nodes);
- free(pkt_node_rx_q->pkt_frame);
- free(pkt_node_rx_q);
- pkt_node_rx_q = NULL;
prev_pkt = payloadseqnum;
pkt_counter++;
} else {
ksft_print_msg("Invalid frame received: ");
- ksft_print_msg("[IP_PKT_VER: %02X], [IP_PKT_TOS: %02X]\n",
- ((struct iphdr *)(pkt_node_rx_q->pkt_frame +
- sizeof(struct ethhdr)))->version,
- ((struct iphdr *)(pkt_node_rx_q->pkt_frame +
- sizeof(struct ethhdr)))->tos);
- TAILQ_REMOVE(&head, pkt_node_rx_q, pkt_nodes);
- free(pkt_node_rx_q->pkt_frame);
- free(pkt_node_rx_q);
- pkt_node_rx_q = NULL;
+ ksft_print_msg("[IP_PKT_VER: %02X], [IP_PKT_TOS: %02X]\n", iphdr->version,
+ iphdr->tos);
}
+
+ TAILQ_REMOVE(&head, pkt_node_rx_q, pkt_nodes);
+ free(pkt_node_rx_q->pkt_frame);
+ free(pkt_node_rx_q);
+ pkt_node_rx_q = NULL;
}
}
-static void thread_common_ops(void *arg, void *bufs, pthread_mutex_t *mutexptr,
+static void thread_common_ops(struct ifobject *ifobject, void *bufs, pthread_mutex_t *mutexptr,
atomic_int *spinningptr)
{
int ctr = 0;
int ret;
- xsk_configure_umem((struct ifobject *)arg, bufs, num_frames * XSK_UMEM__DEFAULT_FRAME_SIZE);
- ret = xsk_configure_socket((struct ifobject *)arg);
+ xsk_configure_umem(ifobject, bufs, num_frames * XSK_UMEM__DEFAULT_FRAME_SIZE);
+ ret = xsk_configure_socket(ifobject);
/* Retry Create Socket if it fails as xsk_socket__create()
* is asynchronous
@@ -798,9 +791,8 @@ static void thread_common_ops(void *arg, void *bufs, pthread_mutex_t *mutexptr,
pthread_mutex_lock(mutexptr);
while (ret && ctr < SOCK_RECONF_CTR) {
atomic_store(spinningptr, 1);
- xsk_configure_umem((struct ifobject *)arg,
- bufs, num_frames * XSK_UMEM__DEFAULT_FRAME_SIZE);
- ret = xsk_configure_socket((struct ifobject *)arg);
+ xsk_configure_umem(ifobject, bufs, num_frames * XSK_UMEM__DEFAULT_FRAME_SIZE);
+ ret = xsk_configure_socket(ifobject);
usleep(USLEEP_MAX);
ctr++;
}
@@ -815,9 +807,10 @@ static void *worker_testapp_validate(void *arg)
{
struct udphdr *udp_hdr =
(struct udphdr *)(pkt_data + sizeof(struct ethhdr) + sizeof(struct iphdr));
- struct generic_data *data = (struct generic_data *)malloc(sizeof(struct generic_data));
struct iphdr *ip_hdr = (struct iphdr *)(pkt_data + sizeof(struct ethhdr));
struct ethhdr *eth_hdr = (struct ethhdr *)pkt_data;
+ struct ifobject *ifobject = (struct ifobject *)arg;
+ struct generic_data data;
void *bufs = NULL;
pthread_attr_setstacksize(&attr, THREAD_STACK);
@@ -828,58 +821,56 @@ static void *worker_testapp_validate(void *arg)
if (bufs == MAP_FAILED)
exit_with_error(errno);
- if (strcmp(((struct ifobject *)arg)->nsname, ""))
- switch_namespace(((struct ifobject *)arg)->ifdict_index);
+ if (strcmp(ifobject->nsname, ""))
+ switch_namespace(ifobject->ifdict_index);
}
- if (((struct ifobject *)arg)->fv.vector == tx) {
+ if (ifobject->fv.vector == tx) {
int spinningrxctr = 0;
if (!bidi_pass)
- thread_common_ops(arg, bufs, &sync_mutex_tx, &spinning_tx);
+ thread_common_ops(ifobject, bufs, &sync_mutex_tx, &spinning_tx);
while (atomic_load(&spinning_rx) && spinningrxctr < SOCK_RECONF_CTR) {
spinningrxctr++;
usleep(USLEEP_MAX);
}
- ksft_print_msg("Interface [%s] vector [Tx]\n", ((struct ifobject *)arg)->ifname);
+ ksft_print_msg("Interface [%s] vector [Tx]\n", ifobject->ifname);
for (int i = 0; i < num_frames; i++) {
/*send EOT frame */
if (i == (num_frames - 1))
- data->seqnum = -1;
+ data.seqnum = -1;
else
- data->seqnum = i;
- gen_udp_hdr((void *)data, (void *)arg, udp_hdr);
- gen_ip_hdr((void *)arg, ip_hdr);
+ data.seqnum = i;
+ gen_udp_hdr(&data, ifobject, udp_hdr);
+ gen_ip_hdr(ifobject, ip_hdr);
gen_udp_csum(udp_hdr, ip_hdr);
- gen_eth_hdr((void *)arg, eth_hdr);
- gen_eth_frame(((struct ifobject *)arg)->umem,
- i * XSK_UMEM__DEFAULT_FRAME_SIZE);
+ gen_eth_hdr(ifobject, eth_hdr);
+ gen_eth_frame(ifobject->umem, i * XSK_UMEM__DEFAULT_FRAME_SIZE);
}
- free(data);
ksft_print_msg("Sending %d packets on interface %s\n",
- (opt_pkt_count - 1), ((struct ifobject *)arg)->ifname);
- tx_only_all(arg);
- } else if (((struct ifobject *)arg)->fv.vector == rx) {
+ (opt_pkt_count - 1), ifobject->ifname);
+ tx_only_all(ifobject);
+ } else if (ifobject->fv.vector == rx) {
struct pollfd fds[MAX_SOCKS] = { };
int ret;
if (!bidi_pass)
- thread_common_ops(arg, bufs, &sync_mutex_tx, &spinning_rx);
+ thread_common_ops(ifobject, bufs, &sync_mutex_tx, &spinning_rx);
- ksft_print_msg("Interface [%s] vector [Rx]\n", ((struct ifobject *)arg)->ifname);
- xsk_populate_fill_ring(((struct ifobject *)arg)->umem);
+ ksft_print_msg("Interface [%s] vector [Rx]\n", ifobject->ifname);
+ xsk_populate_fill_ring(ifobject->umem);
TAILQ_INIT(&head);
if (debug_pkt_dump) {
- pkt_buf = malloc(sizeof(struct pkt_frame **) * num_frames);
+ pkt_buf = calloc(num_frames, sizeof(*pkt_buf));
if (!pkt_buf)
exit_with_error(errno);
}
- fds[0].fd = xsk_socket__fd(((struct ifobject *)arg)->xsk->xsk);
+ fds[0].fd = xsk_socket__fd(ifobject->xsk->xsk);
fds[0].events = POLLIN;
pthread_mutex_lock(&sync_mutex);
@@ -892,7 +883,7 @@ static void *worker_testapp_validate(void *arg)
if (ret <= 0)
continue;
}
- rx_pkt(((struct ifobject *)arg)->xsk, fds);
+ rx_pkt(ifobject->xsk, fds);
worker_pkt_validate();
if (sigvar)
@@ -900,21 +891,23 @@ static void *worker_testapp_validate(void *arg)
}
ksft_print_msg("Received %d packets on interface %s\n",
- pkt_counter, ((struct ifobject *)arg)->ifname);
+ pkt_counter, ifobject->ifname);
if (opt_teardown)
ksft_print_msg("Destroying socket\n");
}
- if (!opt_bidi || (opt_bidi && bidi_pass)) {
- xsk_socket__delete(((struct ifobject *)arg)->xsk->xsk);
- (void)xsk_umem__delete(((struct ifobject *)arg)->umem->umem);
+ if (!opt_bidi || bidi_pass) {
+ xsk_socket__delete(ifobject->xsk->xsk);
+ (void)xsk_umem__delete(ifobject->umem->umem);
}
pthread_exit(NULL);
}
static void testapp_validate(void)
{
+ struct timespec max_wait = { 0, 0 };
+
pthread_attr_init(&attr);
pthread_attr_setstacksize(&attr, THREAD_STACK);
@@ -929,18 +922,16 @@ static void testapp_validate(void)
pthread_mutex_lock(&sync_mutex);
/*Spawn RX thread */
- if (!opt_bidi || (opt_bidi && !bidi_pass)) {
- if (pthread_create(&t0, &attr, worker_testapp_validate, (void *)ifdict[1]))
+ if (!opt_bidi || !bidi_pass) {
+ if (pthread_create(&t0, &attr, worker_testapp_validate, ifdict[1]))
exit_with_error(errno);
} else if (opt_bidi && bidi_pass) {
/*switch Tx/Rx vectors */
ifdict[0]->fv.vector = rx;
- if (pthread_create(&t0, &attr, worker_testapp_validate, (void *)ifdict[0]))
+ if (pthread_create(&t0, &attr, worker_testapp_validate, ifdict[0]))
exit_with_error(errno);
}
- struct timespec max_wait = { 0, 0 };
-
if (clock_gettime(CLOCK_REALTIME, &max_wait))
exit_with_error(errno);
max_wait.tv_sec += TMOUT_SEC;
@@ -951,13 +942,13 @@ static void testapp_validate(void)
pthread_mutex_unlock(&sync_mutex);
/*Spawn TX thread */
- if (!opt_bidi || (opt_bidi && !bidi_pass)) {
- if (pthread_create(&t1, &attr, worker_testapp_validate, (void *)ifdict[0]))
+ if (!opt_bidi || !bidi_pass) {
+ if (pthread_create(&t1, &attr, worker_testapp_validate, ifdict[0]))
exit_with_error(errno);
} else if (opt_bidi && bidi_pass) {
/*switch Tx/Rx vectors */
ifdict[1]->fv.vector = tx;
- if (pthread_create(&t1, &attr, worker_testapp_validate, (void *)ifdict[1]))
+ if (pthread_create(&t1, &attr, worker_testapp_validate, ifdict[1]))
exit_with_error(errno);
}
@@ -991,25 +982,25 @@ static void testapp_sockets(void)
print_ksft_result();
}
-static void init_iface_config(void *ifaceconfig)
+static void init_iface_config(struct ifaceconfigobj *ifaceconfig)
{
/*Init interface0 */
ifdict[0]->fv.vector = tx;
- memcpy(ifdict[0]->dst_mac, ((struct ifaceconfigobj *)ifaceconfig)->dst_mac, ETH_ALEN);
- memcpy(ifdict[0]->src_mac, ((struct ifaceconfigobj *)ifaceconfig)->src_mac, ETH_ALEN);
- ifdict[0]->dst_ip = ((struct ifaceconfigobj *)ifaceconfig)->dst_ip.s_addr;
- ifdict[0]->src_ip = ((struct ifaceconfigobj *)ifaceconfig)->src_ip.s_addr;
- ifdict[0]->dst_port = ((struct ifaceconfigobj *)ifaceconfig)->dst_port;
- ifdict[0]->src_port = ((struct ifaceconfigobj *)ifaceconfig)->src_port;
+ memcpy(ifdict[0]->dst_mac, ifaceconfig->dst_mac, ETH_ALEN);
+ memcpy(ifdict[0]->src_mac, ifaceconfig->src_mac, ETH_ALEN);
+ ifdict[0]->dst_ip = ifaceconfig->dst_ip.s_addr;
+ ifdict[0]->src_ip = ifaceconfig->src_ip.s_addr;
+ ifdict[0]->dst_port = ifaceconfig->dst_port;
+ ifdict[0]->src_port = ifaceconfig->src_port;
/*Init interface1 */
ifdict[1]->fv.vector = rx;
- memcpy(ifdict[1]->dst_mac, ((struct ifaceconfigobj *)ifaceconfig)->src_mac, ETH_ALEN);
- memcpy(ifdict[1]->src_mac, ((struct ifaceconfigobj *)ifaceconfig)->dst_mac, ETH_ALEN);
- ifdict[1]->dst_ip = ((struct ifaceconfigobj *)ifaceconfig)->src_ip.s_addr;
- ifdict[1]->src_ip = ((struct ifaceconfigobj *)ifaceconfig)->dst_ip.s_addr;
- ifdict[1]->dst_port = ((struct ifaceconfigobj *)ifaceconfig)->src_port;
- ifdict[1]->src_port = ((struct ifaceconfigobj *)ifaceconfig)->dst_port;
+ memcpy(ifdict[1]->dst_mac, ifaceconfig->src_mac, ETH_ALEN);
+ memcpy(ifdict[1]->src_mac, ifaceconfig->dst_mac, ETH_ALEN);
+ ifdict[1]->dst_ip = ifaceconfig->src_ip.s_addr;
+ ifdict[1]->src_ip = ifaceconfig->dst_ip.s_addr;
+ ifdict[1]->dst_port = ifaceconfig->src_port;
+ ifdict[1]->src_port = ifaceconfig->dst_port;
}
int main(int argc, char **argv)
@@ -1026,7 +1017,7 @@ int main(int argc, char **argv)
u16 UDP_DST_PORT = 2020;
u16 UDP_SRC_PORT = 2121;
- ifaceconfig = (struct ifaceconfigobj *)malloc(sizeof(struct ifaceconfigobj));
+ ifaceconfig = malloc(sizeof(struct ifaceconfigobj));
memcpy(ifaceconfig->dst_mac, MAC1, ETH_ALEN);
memcpy(ifaceconfig->src_mac, MAC2, ETH_ALEN);
inet_aton(IP1, &ifaceconfig->dst_ip);
@@ -1035,7 +1026,7 @@ int main(int argc, char **argv)
ifaceconfig->src_port = UDP_SRC_PORT;
for (int i = 0; i < MAX_INTERFACES; i++) {
- ifdict[i] = (struct ifobject *)malloc(sizeof(struct ifobject));
+ ifdict[i] = malloc(sizeof(struct ifobject));
if (!ifdict[i])
exit_with_error(errno);
@@ -1048,7 +1039,7 @@ int main(int argc, char **argv)
num_frames = ++opt_pkt_count;
- init_iface_config((void *)ifaceconfig);
+ init_iface_config(ifaceconfig);
pthread_init_mutex();