void ibv_attach_device (struct netif *netif)
{
struct ibvif *ibvif;
uint8_t mac[6] = {0x00, 0x02, 0xc9, 0xa4, 0x59, 0x41};
struct ibv_qp_attr qp_attr, query_attr;
struct ibv_qp_init_attr init_attr;
int qp_flags, attr_mask;
uint8_t port_num = 1;
fr_attr fr;
int start, end, index, i;
ibvif = (struct ibvif *)netif->state;
/* Attaching the qp to the spec */
memset(&fr.attr_info, 0 , sizeof(struct ibv_exp_flow_attr));
fr.attr_info.type = IBV_EXP_FLOW_ATTR_NORMAL;
fr.attr_info.size = sizeof(struct flow_rules);
fr.attr_info.priority = 0;
fr.attr_info.num_of_specs = 3;
fr.attr_info.port = port_num;
fr.attr_info.flags = 0;
memset(&fr.spec_info, 0 , sizeof(struct ibv_exp_flow_spec_eth));
fr.spec_info.type = IBV_EXP_FLOW_SPEC_ETH;
fr.spec_info.size = sizeof(struct ibv_exp_flow_spec_eth);
fr.spec_info.val.ether_type = IP_ETHER_TYPE;
fr.spec_info.mask.ether_type = 0xffff;
memcpy(fr.spec_info.val.dst_mac, mac, sizeof(fr.spec_info.mask.dst_mac));
memset(fr.spec_info.mask.dst_mac, 0xff, sizeof(fr.spec_info.mask.dst_mac));
memset(&fr.ip_spec_info, 0 , sizeof(struct ibv_exp_flow_spec_ipv4));
fr.ip_spec_info.type = IBV_EXP_FLOW_SPEC_IPV4;
fr.ip_spec_info.size = sizeof(struct ibv_exp_flow_spec_ipv4);
fr.ip_spec_info.val.dst_ip = inet_addr("10.0.0.1");
fr.ip_spec_info.mask.dst_ip = 0xffffffff;
if (netif->prot_thread->cpu == 6) {
fr.ip_spec_info.val.src_ip = inet_addr("10.0.0.3");
} else if (netif->prot_thread->cpu == 7) {
fr.ip_spec_info.val.src_ip = inet_addr("10.0.0.5");
} else if (netif->prot_thread->cpu == 8) {
fr.ip_spec_info.val.src_ip = inet_addr("10.0.0.6");
} else if (netif->prot_thread->cpu == 9) {
fr.ip_spec_info.val.src_ip = inet_addr("10.0.0.7");
} else if (netif->prot_thread->cpu == 10) {
fr.ip_spec_info.val.src_ip = inet_addr("10.0.0.8");
} else if (netif->prot_thread->cpu == 11) {
fr.ip_spec_info.val.src_ip = inet_addr("10.0.0.9");
}
fr.ip_spec_info.mask.src_ip = 0xffffffff;
memset(&fr.tcp_spec_info, 0 , sizeof(struct ibv_exp_flow_spec_tcp_udp));
fr.tcp_spec_info.type = IBV_EXP_FLOW_SPEC_TCP;
fr.tcp_spec_info.size = sizeof(struct ibv_exp_flow_spec_tcp_udp);
fr.tcp_spec_info.val.dst_port = bswap_16(90);
fr.tcp_spec_info.mask.dst_port = 0xffff;
ibvif->flow = ibv_exp_create_flow(ibvif->qp, &fr.attr_info);
if (!ibvif->flow) {
perror("IBV can't create flow\n");
exit(1);
}
/*start = netif->prot_thread->cpu * 100;
end = start + 100;
index = 0;
for (i=start; i<end; i++) {
fr.tcp_spec_info.val.src_port = htons(i);
fr.tcp_spec_info.mask.src_port = 0xffff;
ibvif->flow[index] = ibv_exp_create_flow(ibvif->qp, &fr.attr_info);
if (!ibvif->flow[index]) {
perror("IBV can't create flow\n");
exit(1);
}
index++;
}*/
/* modify QP to send and receive */
qp_flags = IBV_QP_STATE;
memset(&qp_attr, 0, sizeof(struct ibv_qp_attr));
qp_attr.qp_state = IBV_QPS_RTR;
qp_attr.ah_attr.src_path_bits = 0;
qp_attr.ah_attr.port_num = 1;
//qp_attr.ah_attr.is_global = 0;
//qp_attr.ah_attr.sl = 1;
if (ibv_modify_qp(ibvif->qp, &qp_attr, qp_flags)) {
perror("IBV can't set state to RTR\n");
exit(1);
}
qp_flags = IBV_QP_STATE;
memset(&qp_attr, 0, sizeof(struct ibv_qp_attr));
qp_attr.qp_state = IBV_QPS_RTS;
qp_attr.ah_attr.src_path_bits = 0;
qp_attr.ah_attr.port_num = 1;
//qp_attr.ah_attr.is_global = 0;
//qp_attr.ah_attr.sl = 1;
if (ibv_modify_qp(ibvif->qp, &qp_attr, qp_flags)) {
perror("IBV can't set state to RTS\n");
exit(1);
}
ibv_query_qp(ibvif->qp, &query_attr, attr_mask, &init_attr);
infini_post_recv(ibvif);
netif->flags = NETIF_FLAG_BROADCAST | NETIF_FLAG_ETHARP | NETIF_FLAG_LINK_UP | NETIF_FLAG_UP;
}
/*
* Main function. implements raw_ethernet_send_lat
*/
int main(int argc, char *argv[])
{
struct ibv_device *ib_dev = NULL;
struct pingpong_context ctx;
struct raw_ethernet_info my_dest_info,rem_dest_info;
int ret_parser;
struct perftest_parameters user_param;
#ifdef HAVE_RAW_ETH_EXP
struct ibv_exp_flow *flow_create_result = NULL;
struct ibv_exp_flow_attr *flow_rules = NULL;
struct ibv_exp_flow *flow_promisc = NULL;
#else
struct ibv_flow *flow_create_result = NULL;
struct ibv_flow_attr *flow_rules = NULL;
#endif
struct report_options report;
//allocate memory space for user parameters
memset(&ctx, 0, sizeof(struct pingpong_context));
memset(&user_param, 0, sizeof(struct perftest_parameters));
memset(&my_dest_info, 0 , sizeof(struct raw_ethernet_info));
memset(&rem_dest_info, 0 , sizeof(struct raw_ethernet_info));
/* init default values to user's parameters that's relvant for this test:
* Raw Ethernet Send Latency Test
*/
user_param.verb = SEND;
user_param.tst = LAT;
strncpy(user_param.version, VERSION, sizeof(user_param.version));
user_param.connection_type = RawEth;
user_param.r_flag = &report;
if (check_flow_steering_support()) {
return 1;
}
/* Configure the parameters values according to user
arguments or default values. */
ret_parser = parser(&user_param, argv,argc);
//check for parsing errors
if (ret_parser) {
if (ret_parser != VERSION_EXIT && ret_parser != HELP_EXIT)
fprintf(stderr," Parser function exited with Error\n");
DEBUG_LOG(TRACE,"<<<<<<%s",__FUNCTION__);
return 1;
}
//this is a bidirectional test, so we need to let the init functions
//to think we are in duplex mode
//TODO: ask Ido if that's ok, or should I add another field in user_param
user_param.duplex = 1;
// Find the selected IB device (or default if the user didn't select one).
ib_dev = ctx_find_dev(user_param.ib_devname);
if (!ib_dev) {
fprintf(stderr," Unable to find the Infiniband/RoCE device\n");
DEBUG_LOG(TRACE,"<<<<<<%s",__FUNCTION__);
return 1;
}
// Getting the relevant context from the device
ctx.context = ibv_open_device(ib_dev);
if (!ctx.context) {
fprintf(stderr, " Couldn't get context for the device\n");
DEBUG_LOG(TRACE,"<<<<<<%s",__FUNCTION__);
return 1;
}
// See if MTU and link type are valid and supported.
if (check_link_and_mtu(ctx.context, &user_param)) {
fprintf(stderr, " Couldn't get context for the device\n");
DEBUG_LOG(TRACE,"<<<<<<%s",__FUNCTION__);
return FAILURE;
}
// Allocating arrays needed for the test.
alloc_ctx(&ctx, &user_param);
// Print basic test information.
ctx_print_test_info(&user_param);
//set up the connection, return the required flow rules (notice that user_param->duplex == TRUE)
//so the function will setup like it's a bidirectional test
if (send_set_up_connection(&flow_rules, &ctx, &user_param, &my_dest_info, &rem_dest_info)) {
fprintf(stderr," Unable to set up socket connection\n");
return 1;
}
//print specifications of the test
print_spec(flow_rules,&user_param);
// Create (if necessary) the rdma_cm ids and channel.
if (user_param.work_rdma_cm == ON) {
//create resources
if (create_rdma_resources(&ctx, &user_param)) {
fprintf(stderr," Unable to create the rdma_resources\n");
return FAILURE;
}
if (user_param.machine == CLIENT) {
//Connects the client to a QP on the other machine with rdma_cm
if (rdma_client_connect(&ctx, &user_param)) {
fprintf(stderr,"Unable to perform rdma_client function\n");
return FAILURE;
}
} else if (rdma_server_connect(&ctx, &user_param)) {
//Assigning a server to listen on rdma_cm port and connect to it.
fprintf(stderr,"Unable to perform rdma_server function\n");
return FAILURE;
}
} else {
// initalize IB resources (data buffer, PD, MR, CQ and events channel)
if (ctx_init(&ctx, &user_param)) {
fprintf(stderr, " Couldn't create IB resources\n");
return FAILURE;
}
}
//attaching the qp to the spec
#ifdef HAVE_RAW_ETH_EXP
flow_create_result = ibv_exp_create_flow(ctx.qp[0], flow_rules);
#else
flow_create_result = ibv_create_flow(ctx.qp[0], flow_rules);
#endif
if (!flow_create_result){
perror("error");
fprintf(stderr, "Couldn't attach QP\n");
return FAILURE;
}
#ifdef HAVE_RAW_ETH_EXP
if (user_param.use_promiscuous) {
struct ibv_exp_flow_attr attr = {
.type = IBV_EXP_FLOW_ATTR_ALL_DEFAULT,
.num_of_specs = 0,
.port = user_param.ib_port,
.flags = 0
};
if ((flow_promisc = ibv_exp_create_flow(ctx.qp[0], &attr)) == NULL) {
perror("error");
fprintf(stderr, "Couldn't attach promiscous rule QP\n");
}
}
#endif
//build ONE Raw Ethernet packets on ctx buffer
create_raw_eth_pkt(&user_param,&ctx, &my_dest_info , &rem_dest_info);
if (user_param.output == FULL_VERBOSITY) {
printf(RESULT_LINE);
printf("%s",(user_param.test_type == ITERATIONS) ? RESULT_FMT_LAT : RESULT_FMT_LAT_DUR);
printf((user_param.cpu_util_data.enable ? RESULT_EXT_CPU_UTIL : RESULT_EXT));
}
// Prepare IB resources for rtr(ready to read)/rts(ready to send)
if (user_param.work_rdma_cm == OFF) {
if (ctx_connect(&ctx, NULL, &user_param, NULL)) {
fprintf(stderr," Unable to Connect the HCA's through the link\n");
DEBUG_LOG(TRACE,"<<<<<<%s",__FUNCTION__);
return 1;
}
}
//Post Send send_wqes for current message size
ctx_set_send_wqes(&ctx,&user_param,NULL);
// Post receive recv_wqes for current message size
if (ctx_set_recv_wqes(&ctx,&user_param)) {
fprintf(stderr," Failed to post receive recv_wqes\n");
return 1;
}
//latency test function for SEND verb latency test.
if (run_iter_lat_send(&ctx, &user_param))
{
return 17;
}
//print report (like print_report_bw) in the correct format
// (as set before: FMT_LAT or FMT_LAT_DUR)
user_param.test_type == ITERATIONS ? print_report_lat(&user_param) :
print_report_lat_duration(&user_param);
//destory promisc flow
#ifdef HAVE_RAW_ETH_EXP
if (user_param.use_promiscuous) {
if (ibv_exp_destroy_flow(flow_promisc)) {
perror("error");
fprintf(stderr, "Couldn't Destory promisc flow\n");
return FAILURE;
}
}
#endif
//destroy flow
#ifdef HAVE_RAW_ETH_EXP
if (ibv_exp_destroy_flow(flow_create_result)) {
#else
if (ibv_destroy_flow(flow_create_result)) {
#endif
perror("error");
fprintf(stderr, "Couldn't Destory flow\n");
return FAILURE;
}
free(flow_rules);
//Deallocate all perftest resources.
if (destroy_ctx(&ctx, &user_param)) {
fprintf(stderr,"Failed to destroy_ctx\n");
DEBUG_LOG(TRACE,"<<<<<<%s",__FUNCTION__);
return 1;
}
if (user_param.output == FULL_VERBOSITY)
printf(RESULT_LINE);
DEBUG_LOG(TRACE,"<<<<<<%s",__FUNCTION__);
return 0;
}
