int main(int argc, char **argv)
{
/**
* Simple example of firewall between two NICs.
* Print brick simply show packets.
*
* [nic-west]--[print-west]--[firewall]--[print-east]--[nic_east]
*/
struct pg_error *error = NULL;
struct pg_brick *nic_west, *nic_east;
struct pg_brick *print_west, *print_east;
struct pg_brick *fw;
struct pg_graph *graph;
/* init packetgraph and nics */
pg_start(argc, argv, &error);
if (pg_nic_port_count() < 2) {
printf("You need two DPDK ports to run this example\n");
return 1;
}
/* create bricks */
nic_west = pg_nic_new_by_id("nic-west", 0, &error);
fw = pg_firewall_new("fw", PG_NO_CONN_WORKER, &error);
print_west = pg_print_new("print-west", 0,
PG_PRINT_FLAG_MAX, 0, &error);
print_east = pg_print_new("print-east", 0,
PG_PRINT_FLAG_MAX, 0, &error);
nic_east = pg_nic_new_by_id("nic_east", 1, &error);
/* link bricks */
pg_brick_chained_links(&error, nic_west, print_west,
fw, print_east, nic_east);
/* add some rules to firewall */
pg_firewall_rule_add(fw, "tcp portrange 1-1024", PG_MAX_SIDE, 1, &error);
pg_firewall_rule_add(fw, "icmp", PG_MAX_SIDE, 1, &error);
pg_firewall_reload(fw, &error);
/* create a graph with all bricks inside */
graph = pg_graph_new("graph", fw, &error);
printf("let's pool 1000*1000 times ...\n");
for (int i = 0; i < 1000000; i++) {
if (pg_graph_poll(graph, &error) < 0) {
pg_error_print(error);
pg_error_free(error);
}
}
pg_graph_destroy(graph);
pg_stop();
return 0;
}
static int start_loop(int verbose)
{
struct pg_error *error = NULL;
struct pg_brick *nic_tmp, *switch_east, *print_tmp;
uint16_t port_count = rte_eth_dev_count();
GList *nic_manager = NULL;
GList *manager = NULL;
g_assert(port_count > 1);
/*
* Here is an ascii graph of the links:
*
* [NIC-X] - [PRINT-X] --\
* \
* [NIC-X+1] - [PRINT-X+1] } -- [SWITCH]
* /
* [NIC-X+2] - [PRINT-X+2] /
* ....
*/
switch_east = pg_switch_new("switch", 20, 20, &error);
CHECK_ERROR(error);
PG_BM_ADD(manager, switch_east);
for (int i = 0; i < port_count; ++i) {
nic_tmp = pg_nic_new_by_id("nic", 1, 1, WEST_SIDE, i, &error);
CHECK_ERROR(error);
print_tmp = pg_print_new("print", 1, 1, NULL,
PG_PRINT_FLAG_MAX, NULL,
&error);
CHECK_ERROR(error);
if (!verbose)
pg_brick_chained_links(&error, nic_tmp, switch_east);
else
pg_brick_chained_links(&error, nic_tmp,
print_tmp, switch_east);
CHECK_ERROR(error);
PG_BM_ADD(nic_manager, nic_tmp);
PG_BM_ADD(manager, print_tmp);
}
while (1) {
uint64_t tot_send_pkts = 0;
for (int i = 0; i < 100000; ++i) {
uint16_t nb_send_pkts;
PG_BM_GET_NEXT(nic_manager, nic_tmp);
pg_brick_poll(nic_tmp, &nb_send_pkts, &error);
tot_send_pkts += nb_send_pkts;
CHECK_ERROR(error);
usleep(1);
}
printf("poll pkts: %lu\n", tot_send_pkts);
}
nic_manager = g_list_first(nic_manager);
PG_BM_DESTROY(manager);
PG_BM_DESTROY(nic_manager);
return 0;
}
void test_benchmark_print(int argc, char **argv)
{
struct pg_error *error = NULL;
struct pg_brick *print;
struct pg_bench bench;
struct pg_bench_stats stats;
struct ether_addr mac1 = {{0x52,0x54,0x00,0x12,0x34,0x11}};
struct ether_addr mac2 = {{0x52,0x54,0x00,0x12,0x34,0x21}};
uint32_t len;
g_assert(!pg_bench_init(&bench, "print", argc, argv, &error));
print = pg_print_new("print", stderr,
PG_PRINT_FLAG_SUMMARY | PG_PRINT_FLAG_TIMESTAMP,
NULL, &error);
g_assert(!error);
bench.input_brick = print;
bench.input_side = WEST_SIDE;
bench.output_brick = print;
bench.output_side = EAST_SIDE;
bench.output_poll = false;
bench.max_burst_cnt = 100000;
bench.count_brick = NULL;
bench.pkts_nb = 64;
bench.pkts_mask = pg_mask_firsts(64);
bench.pkts = pg_packets_create(bench.pkts_mask);
bench.pkts = pg_packets_append_ether(
bench.pkts,
bench.pkts_mask,
&mac1, &mac2,
ETHER_TYPE_IPv4);
bench.brick_full_burst = 1;
len = sizeof(struct ipv4_hdr) + sizeof(struct udp_hdr) + 1400;
pg_packets_append_ipv4(
bench.pkts,
bench.pkts_mask,
0x000000EE, 0x000000CC, len, 17);
bench.pkts = pg_packets_append_udp(
bench.pkts,
bench.pkts_mask,
1000, 2000, 1400);
bench.pkts = pg_packets_append_blank(bench.pkts, bench.pkts_mask, 1400);
g_assert(pg_bench_run(&bench, &stats, &error) == 0);
pg_bench_print(&stats);
pg_packets_free(bench.pkts, bench.pkts_mask);
pg_brick_destroy(print);
}
static int start_loop(int verbose, int nb_vhost)
{
struct pg_error *error = NULL;
struct pg_brick *nic_tmp, *switch_east, *print_tmp;
uint16_t port_count = rte_eth_dev_count();
GList *nic_manager = NULL;
GList *manager = NULL;
int ret = -1;
/*
* Here is an ascii graph of the links:
*
* [NIC-X] - [PRINT-X] --\
* \
* [NIC-X+1] - [PRINT-X+1] } -- [SWITCH]
* /
* [NIC-X+2] - [PRINT-X+2] /
* ....
*/
switch_east = pg_switch_new("switch", 20, 20, EAST_SIDE, &error);
CHECK_ERROR(error);
PG_BM_ADD(manager, switch_east);
if (nb_vhost) {
if (pg_vhost_start("/tmp", &error) < 0)
goto free_switch;
port_count = nb_vhost;
}
g_assert(port_count > 1);
for (int i = 0; i < port_count; ++i) {
char *tmp_name;
if (nb_vhost) {
tmp_name = g_strdup_printf("vhost-%d", i);
nic_tmp = pg_vhost_new(tmp_name, 1, 1,
WEST_SIDE, &error);
} else {
tmp_name = g_strdup_printf("nic-%d", i);
nic_tmp = pg_nic_new_by_id(tmp_name, i, &error);
}
g_free(tmp_name);
CHECK_ERROR(error);
tmp_name = g_strdup_printf("print-%d", i);
print_tmp = pg_print_new(tmp_name, 1, 1, NULL,
PG_PRINT_FLAG_MAX, NULL,
&error);
g_free(tmp_name);
CHECK_ERROR(error);
if (!verbose)
pg_brick_chained_links(&error, nic_tmp, switch_east);
else
pg_brick_chained_links(&error, nic_tmp,
print_tmp, switch_east);
CHECK_ERROR(error);
PG_BM_ADD(nic_manager, nic_tmp);
PG_BM_ADD(manager, print_tmp);
}
while (1) {
uint64_t tot_send_pkts = 0;
for (int i = 0; i < 100000; ++i) {
uint16_t nb_send_pkts;
PG_BM_GET_NEXT(nic_manager, nic_tmp);
pg_brick_poll(nic_tmp, &nb_send_pkts, &error);
tot_send_pkts += nb_send_pkts;
CHECK_ERROR(error);
usleep(1);
}
printf("poll pkts: %lu\n", tot_send_pkts);
}
ret = 0;
nic_manager = g_list_first(nic_manager);
PG_BM_DESTROY(nic_manager);
free_switch:
PG_BM_DESTROY(manager);
pg_vhost_stop();
return ret;
}
static int start_loop(uint32_t vtep_ip, struct ether_addr *vtep_mac,
struct ether_addr *inner_mac,
GList *neighbor_macs)
{
struct pg_error *error = NULL;
struct pg_brick *nic_east, *nic_west, *vtep_east, *vtep_west;
struct pg_brick *print_east, *print_west, *print_middle;
/*
* Here is an ascii graph of the links:
* NIC = nic
* VT = vtep
*
* [NIC] - [PRINT] - [VT] -- [PRINT] -- [VT] -- [PRINT] -- [NIC]
*/
nic_east = pg_nic_new_by_id("nic-e", 1, 1, EAST_SIDE, 0, &error);
CHECK_ERROR(error);
nic_west = pg_nic_new_by_id("nic-w", 1, 1, WEST_SIDE, 1, &error);
CHECK_ERROR(error);
vtep_east = pg_vtep_new("vt-e", 1, 1, WEST_SIDE,
vtep_ip, *vtep_mac, 1, &error);
CHECK_ERROR(error);
inverse_mac(vtep_mac);
pg_print_mac(vtep_mac);
printf("\n");
vtep_west = pg_vtep_new("vt-w", 1, 1, EAST_SIDE,
~vtep_ip, *vtep_mac, 1, &error);
CHECK_ERROR(error);
print_west = pg_print_new("west", 1, 1, NULL, PG_PRINT_FLAG_MAX, NULL,
&error);
CHECK_ERROR(error);
print_east = pg_print_new("east", 1, 1, NULL, PG_PRINT_FLAG_MAX, NULL,
&error);
CHECK_ERROR(error);
print_middle = pg_print_new("middle", 1, 1, NULL, PG_PRINT_FLAG_MAX,
NULL, &error);
CHECK_ERROR(error);
/* If you want to print transmiting pkts uncomment this and coment
* the bellow pg_brick_chained_links
* Attention: this may slow down the transmition */
/* pg_brick_chained_links(&error, nic_west, print_west, */
/* vtep_west, print_middle, vtep_east, */
/* print_east, nic_east); */
pg_brick_chained_links(&error, nic_west, vtep_west, vtep_east, nic_east);
CHECK_ERROR(error);
pg_vtep_add_vni(vtep_west, nic_west, 0, inet_addr("225.0.0.43"), &error);
CHECK_ERROR(error);
pg_vtep_add_vni(vtep_east, nic_east, 0, inet_addr("225.0.0.43"), &error);
CHECK_ERROR(error);
while (!quit) {
uint16_t nb_send_pkts;
g_assert(pg_brick_poll(nic_west, &nb_send_pkts, &error));
usleep(1);
g_assert(pg_brick_poll(nic_east, &nb_send_pkts, &error));
usleep(1);
}
pg_brick_destroy(nic_west);
pg_brick_destroy(print_west);
pg_brick_destroy(vtep_west);
pg_brick_destroy(print_middle);
pg_brick_destroy(vtep_east);
pg_brick_destroy(print_east);
pg_brick_destroy(nic_east);
return 0;
}