static int set_mcast_group(struct pingpong_context *ctx,
struct perftest_parameters *user_param,
struct mcast_parameters *mcg_params)
{
struct ibv_port_attr port_attr;
if (ibv_query_gid(ctx->context,user_param->ib_port,user_param->gid_index,&mcg_params->port_gid)) {
return 1;
}
if (ibv_query_pkey(ctx->context,user_param->ib_port,DEF_PKEY_IDX,&mcg_params->pkey)) {
return 1;
}
if (ibv_query_port(ctx->context,user_param->ib_port,&port_attr)) {
return 1;
}
mcg_params->sm_lid = port_attr.sm_lid;
mcg_params->sm_sl = port_attr.sm_sl;
mcg_params->ib_port = user_param->ib_port;
if (!strcmp(link_layer_str(user_param->link_type),"IB")) {
/* Request for Mcast group create registery in SM. */
if (join_multicast_group(SUBN_ADM_METHOD_SET,mcg_params)) {
fprintf(stderr,"Couldn't Register the Mcast group on the SM\n");
return 1;
}
}
return 0;
}
static int send_destroy_ctx(struct pingpong_context *ctx,
struct perftest_parameters *user_param,
struct mcast_parameters *mcg_params)
{
int i;
if (user_param->use_mcg) {
for (i=0; i < user_param->num_of_qps; i++) {
if (ibv_detach_mcast(ctx->qp[i],&mcg_params->base_mgid,mcg_params->base_mlid)) {
fprintf(stderr, "Couldn't dettach QP to MultiCast group\n");
return FAILURE;
}
}
if (!strcmp(link_layer_str(user_param->link_type),"IB")) {
if (join_multicast_group(SUBN_ADM_METHOD_DELETE,mcg_params)) {
fprintf(stderr,"Couldn't Unregister the Mcast group on the SM\n");
return FAILURE;
}
memcpy(mcg_params->mgid.raw,mcg_params->base_mgid.raw,16);
if (join_multicast_group(SUBN_ADM_METHOD_DELETE,mcg_params)) {
fprintf(stderr,"Couldn't Unregister the Mcast group on the SM\n");
return FAILURE;
}
}
}
return destroy_ctx(ctx,user_param);
}
static int send_destroy_ctx(
struct pingpong_context *ctx,
struct perftest_parameters *user_param,
struct mcast_parameters *mcg_params)
{
int i;
if (user_param->use_mcg) {
if (user_param->duplex || user_param->machine == SERVER) {
for (i=0; i < user_param->num_of_qps; i++) {
if (ibv_detach_mcast(ctx->qp[i],&mcg_params->mgid,mcg_params->mlid)) {
fprintf(stderr, "Couldn't attach QP to MultiCast group");
return FAILURE;
}
}
}
/* Removal Request for Mcast group in SM if needed. */
if (!strcmp(link_layer_str(user_param->link_type),"IB")) {
if (join_multicast_group(SUBN_ADM_METHOD_DELETE,mcg_params)) {
fprintf(stderr,"Couldn't Unregister the Mcast group on the SM\n");
return FAILURE;
}
}
}
return destroy_ctx(ctx,user_param);
}
static int set_mcast_group(struct pingpong_context *ctx,
struct perftest_parameters *user_param,
struct mcast_parameters *mcg_params) {
int i;
struct ibv_port_attr port_attr;
if (ibv_query_gid(ctx->context,user_param->ib_port,user_param->gid_index,&mcg_params->port_gid)) {
return 1;
}
if (ibv_query_pkey(ctx->context,user_param->ib_port,DEF_PKEY_IDX,&mcg_params->pkey)) {
return 1;
}
if (ibv_query_port(ctx->context,user_param->ib_port,&port_attr)) {
return 1;
}
mcg_params->sm_lid = port_attr.sm_lid;
mcg_params->sm_sl = port_attr.sm_sl;
mcg_params->ib_port = user_param->ib_port;
mcg_params->user_mgid = user_param->user_mgid;
set_multicast_gid(mcg_params,ctx->qp[0]->qp_num,(int)user_param->machine);
if (!strcmp(link_layer_str(user_param->link_type),"IB")) {
// Request for Mcast group create registery in SM.
if (join_multicast_group(SUBN_ADM_METHOD_SET,mcg_params)) {
fprintf(stderr," Failed to Join Mcast request\n");
return 1;
}
}
for (i=0; i < user_param->num_of_qps; i++) {
if (ibv_attach_mcast(ctx->qp[i],&mcg_params->mgid,mcg_params->mlid)) {
fprintf(stderr, "Couldn't attach QP to MultiCast group");
return 1;
}
}
mcg_params->mcast_state |= MCAST_IS_ATTACHED;
return 0;
}
int main(int argc, char *argv[]) {
int i = 0;
int size_max_pow = 24;
int ret_val;
struct report_options report;
struct pingpong_context ctx;
struct pingpong_dest *my_dest = NULL;
struct pingpong_dest *rem_dest = NULL;
struct mcast_parameters mcg_params;
struct ibv_device *ib_dev = NULL;
struct perftest_parameters user_param;
struct perftest_comm user_comm;
/* init default values to user's parameters */
memset(&ctx, 0, sizeof(struct pingpong_context));
memset(&user_param, 0, sizeof(struct perftest_parameters));
memset(&user_comm , 0, sizeof(struct perftest_comm));
memset(&mcg_params, 0, sizeof(struct mcast_parameters));
user_param.verb = SEND;
user_param.tst = LAT;
strncpy(user_param.version, VERSION, sizeof(user_param.version));
user_param.r_flag = &report;
// Configure the parameters values according to user arguments or defalut values.
ret_val = parser(&user_param,argv,argc);
if (ret_val) {
if (ret_val != VERSION_EXIT && ret_val != HELP_EXIT)
fprintf(stderr," Parser function exited with Error\n");
return 1;
}
if(user_param.use_xrc || user_param.connection_type == DC) {
user_param.num_of_qps *= 2;
}
//Checking that the user did not run with RawEth. for this we have raw_etherent_bw test.
if (user_param.connection_type == RawEth) {
fprintf(stderr," This test cannot run Raw Ethernet QPs (you have chosen RawEth as connection type\n");
return FAILURE;
}
// Finding the IB device selected (or defalut if no selected).
ib_dev = ctx_find_dev(user_param.ib_devname);
if (!ib_dev) {
fprintf(stderr," Unable to find the Infiniband/RoCE device\n");
return 1;
}
if (user_param.use_mcg)
GET_STRING(mcg_params.ib_devname,ibv_get_device_name(ib_dev));
// 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");
return 1;
}
// See if MTU and link type are valid and supported.
if (check_link(ctx.context,&user_param)) {
fprintf(stderr, " Couldn't get context for the device\n");
return FAILURE;
}
// copy the relevant user parameters to the comm struct + creating rdma_cm resources.
if (create_comm_struct(&user_comm,&user_param)) {
fprintf(stderr," Unable to create RDMA_CM resources\n");
return 1;
}
if (user_param.output == FULL_VERBOSITY && user_param.machine == SERVER) {
printf("\n************************************\n");
printf("* Waiting for client to connect... *\n");
printf("************************************\n");
}
// Initialize the connection and print the local data.
if (establish_connection(&user_comm)) {
fprintf(stderr," Unable to init the socket connection\n");
return FAILURE;
}
exchange_versions(&user_comm, &user_param);
check_sys_data(&user_comm, &user_param);
// See if MTU and link type are valid and supported.
if (check_mtu(ctx.context,&user_param, &user_comm)) {
fprintf(stderr, " Couldn't get context for the device\n");
return FAILURE;
}
// Print basic test information.
ctx_print_test_info(&user_param);
ALLOCATE(my_dest , struct pingpong_dest , user_param.num_of_qps);
memset(my_dest, 0, sizeof(struct pingpong_dest)*user_param.num_of_qps);
ALLOCATE(rem_dest , struct pingpong_dest , user_param.num_of_qps);
memset(rem_dest, 0, sizeof(struct pingpong_dest)*user_param.num_of_qps);
// Allocating arrays needed for the test.
alloc_ctx(&ctx,&user_param);
// Create (if nessacery) the rdma_cm ids and channel.
if (user_param.work_rdma_cm == ON) {
if (user_param.machine == CLIENT) {
if (retry_rdma_connect(&ctx,&user_param)) {
fprintf(stderr,"Unable to perform rdma_client function\n");
return FAILURE;
}
} else {
if (create_rdma_resources(&ctx,&user_param)) {
fprintf(stderr," Unable to create the rdma_resources\n");
return FAILURE;
}
if (rdma_server_connect(&ctx,&user_param)) {
fprintf(stderr,"Unable to perform rdma_client function\n");
return FAILURE;
}
}
} else {
// create all the basic 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;
}
}
// Set up the Connection.
if (send_set_up_connection(&ctx,&user_param,my_dest,&mcg_params,&user_comm)) {
fprintf(stderr," Unable to set up socket connection\n");
return 1;
}
for (i=0; i < user_param.num_of_qps; i++)
ctx_print_pingpong_data(&my_dest[i],&user_comm);
user_comm.rdma_params->side = REMOTE;
for (i=0; i < user_param.num_of_qps; i++) {
// shaking hands and gather the other side info.
if (ctx_hand_shake(&user_comm,&my_dest[i],&rem_dest[i])) {
fprintf(stderr,"Failed to exchange data between server and clients\n");
return 1;
}
ctx_print_pingpong_data(&rem_dest[i],&user_comm);
}
if (user_param.work_rdma_cm == OFF)
{
if (ctx_check_gid_compatibility(&my_dest[0], &rem_dest[0]))
{
fprintf(stderr,"\n Found Incompatibility issue with GID types.\n");
fprintf(stderr," Please Try to use a different IP version.\n\n");
return 1;
}
}
if (user_param.use_mcg) {
memcpy(mcg_params.base_mgid.raw,mcg_params.mgid.raw,16);
memcpy(mcg_params.mgid.raw,rem_dest[0].gid.raw,16);
mcg_params.base_mlid = mcg_params.mlid;
mcg_params.is_2nd_mgid_used = ON;
if (!strcmp(link_layer_str(user_param.link_type),"IB")) {
// Request for Mcast group create registery in SM.
if (join_multicast_group(SUBN_ADM_METHOD_SET,&mcg_params)) {
fprintf(stderr," Failed to Join Mcast request\n");
return 1;
}
}
/*
* The next stall in code (50 ms sleep) is a work around for fixing the
* the bug this test had in Multicast for the past 1 year.
* It appears, that when a switch involved, it takes ~ 10 ms for the join
* request to propogate on the IB fabric, thus we need to wait for it.
* what happened before this fix was reaching the post_send
* code segment in about 350 ns from here, and the switch(es) dropped
* the packet because join request wasn't finished.
*/
usleep(50000);
}
if (user_param.work_rdma_cm == OFF) {
// Prepare IB resources for rtr/rts.
if (ctx_connect(&ctx,rem_dest,&user_param,my_dest)) {
fprintf(stderr," Unable to Connect the HCA's through the link\n");
return 1;
}
}
// shaking hands and gather the other side info.
if (ctx_hand_shake(&user_comm,&my_dest[0],&rem_dest[0])) {
fprintf(stderr,"Failed to exchange data between server and clients\n");
return 1;
}
if (user_param.use_event) {
if (ibv_req_notify_cq(ctx.send_cq, 0)) {
fprintf(stderr, "Couldn't request RCQ notification\n");
return 1;
}
if (ibv_req_notify_cq(ctx.recv_cq, 0)) {
fprintf(stderr, "Couldn't request RCQ notification\n");
return 1;
}
}
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));
}
ctx_set_send_wqes(&ctx,&user_param,rem_dest);
if (user_param.test_method == RUN_ALL) {
if (user_param.connection_type == UD)
size_max_pow = (int)UD_MSG_2_EXP(MTU_SIZE(user_param.curr_mtu)) + 1;
for (i = 1; i < size_max_pow ; ++i) {
user_param.size = (uint64_t)1 << i;
// Post recevie recv_wqes fo current message size
if (ctx_set_recv_wqes(&ctx,&user_param)) {
fprintf(stderr," Failed to post receive recv_wqes\n");
return 1;
}
// Sync between the client and server so the client won't send packets
// Before the server has posted his receive wqes (in UC/UD it will result in a deadlock).
if (ctx_hand_shake(&user_comm,&my_dest[0],&rem_dest[0])) {
fprintf(stderr,"Failed to exchange data between server and clients\n");
return 1;
}
if(run_iter_lat_send(&ctx, &user_param))
return 17;
user_param.test_type == ITERATIONS ? print_report_lat(&user_param) : print_report_lat_duration(&user_param);
}
} else {
// Post recevie recv_wqes fo current message size
if (ctx_set_recv_wqes(&ctx,&user_param)) {
fprintf(stderr," Failed to post receive recv_wqes\n");
return 1;
}
// Sync between the client and server so the client won't send packets
// Before the server has posted his receive wqes (in UC/UD it will result in a deadlock).
if (ctx_hand_shake(&user_comm,my_dest,rem_dest)) {
fprintf(stderr,"Failed to exchange data between server and clients\n");
return 1;
}
if(run_iter_lat_send(&ctx, &user_param))
return 17;
user_param.test_type == ITERATIONS ? print_report_lat(&user_param) : print_report_lat_duration(&user_param);
}
if (user_param.output == FULL_VERBOSITY) {
printf(RESULT_LINE);
}
if (ctx_close_connection(&user_comm,my_dest,rem_dest)) {
fprintf(stderr,"Failed to close connection between server and client\n");
fprintf(stderr," Trying to close this side resources\n");
}
return send_destroy_ctx(&ctx,&user_param,&mcg_params);
}