Differential D5792 Diff 21886 contrib/ofed/libibverbs/examples/ud_pingpong.c

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contrib/ofed/libibverbs/examples/ud_pingpong.c

Show First 20 Lines • Show All 48 Lines • ▼ Show 20 Lines
#include "pingpong.h"		#include "pingpong.h"

enum {		enum {
PINGPONG_RECV_WRID = 1,		PINGPONG_RECV_WRID = 1,
PINGPONG_SEND_WRID = 2,		PINGPONG_SEND_WRID = 2,
};		};

static int page_size;		static int page_size;
		static int family = AF_INET;

struct pingpong_context {		struct pingpong_context {
struct ibv_context *context;		struct ibv_context *context;
struct ibv_comp_channel *channel;		struct ibv_comp_channel *channel;
struct ibv_pd *pd;		struct ibv_pd *pd;
struct ibv_mr *mr;		struct ibv_mr *mr;
struct ibv_cq *cq;		struct ibv_cq *cq;
struct ibv_qp *qp;		struct ibv_qp *qp;
▲ Show 20 Lines • Show All 57 Lines • ▼ Show 20 Lines	static int pp_connect_ctx(struct pingpong_context *ctx, int port, int my_psn,
return 0;		return 0;
}		}

static struct pingpong_dest pp_client_exch_dest(const char servername, int port,		static struct pingpong_dest pp_client_exch_dest(const char servername, int port,
const struct pingpong_dest *my_dest)		const struct pingpong_dest *my_dest)
{		{
struct addrinfo res, t;		struct addrinfo res, t;
struct addrinfo hints = {		struct addrinfo hints = {
.ai_family = AF_INET,		.ai_family = family,
.ai_socktype = SOCK_STREAM		.ai_socktype = SOCK_STREAM
};		};
char *service;		char *service;
char msg[sizeof "0000:000000:000000:00000000000000000000000000000000"];		char msg[sizeof "0000:000000:000000:00000000000000000000000000000000"];
int n;		int n;
int sockfd = -1;		int sockfd = -1;
struct pingpong_dest *rem_dest = NULL;		struct pingpong_dest *rem_dest = NULL;
char gid[33];		char gid[33];

if (asprintf(&service, "%d", port) < 0)		if (asprintf(&service, "%d", port) < 0)
return NULL;		return NULL;

n = getaddrinfo(servername, service, &hints, &res);		n = getaddrinfo(servername, service, &hints, &res);

if (n < 0) {		if (n < 0) {
fprintf(stderr, "%s for %s:%d\n", gai_strerror(n), servername, port);		fprintf(stderr, "%s for %s:%d\n", gai_strerror(n), servername, port);
free(service);		free(service);
return NULL;		return NULL;
}		}

for (t = res; t; t = t->ai_next) {		for (t = res; t; t = t->ai_next) {
		if (t->ai_family != family)
		continue;
sockfd = socket(t->ai_family, t->ai_socktype, t->ai_protocol);		sockfd = socket(t->ai_family, t->ai_socktype, t->ai_protocol);
if (sockfd >= 0) {		if (sockfd >= 0) {
if (!connect(sockfd, t->ai_addr, t->ai_addrlen))		if (!connect(sockfd, t->ai_addr, t->ai_addrlen))
break;		break;
close(sockfd);		close(sockfd);
sockfd = -1;		sockfd = -1;
}		}
}		}

freeaddrinfo(res);		freeaddrinfo(res);
free(service);		free(service);

if (sockfd < 0) {		if (sockfd < 0) {
fprintf(stderr, "Couldn't connect to %s:%d\n", servername, port);		fprintf(stderr, "Couldn't connect to %s:%d\n", servername, port);
return NULL;		return NULL;
}		}

gid_to_wire_gid(&my_dest->gid, gid);		gid_to_wire_gid(&my_dest->gid, gid);
sprintf(msg, "%04x:%06x:%06x:%s", my_dest->lid, my_dest->qpn, my_dest->psn, gid);		sprintf(msg, "%04x:%06x:%06x:%s", my_dest->lid, my_dest->qpn,
		my_dest->psn, gid);
if (write(sockfd, msg, sizeof msg) != sizeof msg) {		if (write(sockfd, msg, sizeof msg) != sizeof msg) {
fprintf(stderr, "Couldn't send local address\n");		fprintf(stderr, "Couldn't send local address\n");
goto out;		goto out;
}		}

if (read(sockfd, msg, sizeof msg) != sizeof msg) {		if (recv(sockfd, msg, sizeof(msg), MSG_WAITALL) != sizeof(msg)) {
perror("client read");		perror("client read");
fprintf(stderr, "Couldn't read remote address\n");		fprintf(stderr, "Couldn't read remote address\n");
goto out;		goto out;
}		}

write(sockfd, "done", sizeof "done");		if (write(sockfd, "done", sizeof("done")) != sizeof("done")) {
		fprintf(stderr, "Couldn't send \"done\" msg\n");
		goto out;
		}

rem_dest = malloc(sizeof *rem_dest);		rem_dest = malloc(sizeof *rem_dest);
if (!rem_dest)		if (!rem_dest)
goto out;		goto out;

sscanf(msg, "%x:%x:%x:%s", &rem_dest->lid, &rem_dest->qpn, &rem_dest->psn, gid);		sscanf(msg, "%x:%x:%x:%s", &rem_dest->lid, &rem_dest->qpn,
		&rem_dest->psn, gid);
wire_gid_to_gid(gid, &rem_dest->gid);		wire_gid_to_gid(gid, &rem_dest->gid);

out:		out:
close(sockfd);		close(sockfd);
return rem_dest;		return rem_dest;
}		}

static struct pingpong_dest pp_server_exch_dest(struct pingpong_context ctx,		static struct pingpong_dest pp_server_exch_dest(struct pingpong_context ctx,
int ib_port, int port, int sl,		int ib_port, int port, int sl,
const struct pingpong_dest *my_dest,		const struct pingpong_dest *my_dest,
int sgid_idx)		int sgid_idx)
{		{
struct addrinfo res, t;		struct addrinfo res, t;
struct addrinfo hints = {		struct addrinfo hints = {
.ai_flags = AI_PASSIVE,		.ai_flags = AI_PASSIVE,
.ai_family = AF_INET,		.ai_family = family,
.ai_socktype = SOCK_STREAM		.ai_socktype = SOCK_STREAM
};		};
char *service;		char *service;
char msg[sizeof "0000:000000:000000:00000000000000000000000000000000"];		char msg[sizeof "0000:000000:000000:00000000000000000000000000000000"];
int n;		int n;
int sockfd = -1, connfd;		int sockfd = -1, connfd;
struct pingpong_dest *rem_dest = NULL;		struct pingpong_dest *rem_dest = NULL;
char gid[33];		char gid[33];

if (asprintf(&service, "%d", port) < 0)		if (asprintf(&service, "%d", port) < 0)
return NULL;		return NULL;

n = getaddrinfo(NULL, service, &hints, &res);		n = getaddrinfo(NULL, service, &hints, &res);

if (n < 0) {		if (n < 0) {
fprintf(stderr, "%s for port %d\n", gai_strerror(n), port);		fprintf(stderr, "%s for port %d\n", gai_strerror(n), port);
free(service);		free(service);
return NULL;		return NULL;
}		}

for (t = res; t; t = t->ai_next) {		for (t = res; t; t = t->ai_next) {
		if (t->ai_family != family)
		continue;
sockfd = socket(t->ai_family, t->ai_socktype, t->ai_protocol);		sockfd = socket(t->ai_family, t->ai_socktype, t->ai_protocol);
if (sockfd >= 0) {		if (sockfd >= 0) {
n = 1;		n = 1;

setsockopt(sockfd, SOL_SOCKET, SO_REUSEADDR, &n, sizeof n);		setsockopt(sockfd, SOL_SOCKET, SO_REUSEADDR, &n, sizeof n);

if (!bind(sockfd, t->ai_addr, t->ai_addrlen))		if (!bind(sockfd, t->ai_addr, t->ai_addrlen))
break;		break;
Show All 13 Lines	static struct pingpong_dest pp_server_exch_dest(struct pingpong_context ctx,
listen(sockfd, 1);		listen(sockfd, 1);
connfd = accept(sockfd, NULL, 0);		connfd = accept(sockfd, NULL, 0);
close(sockfd);		close(sockfd);
if (connfd < 0) {		if (connfd < 0) {
fprintf(stderr, "accept() failed\n");		fprintf(stderr, "accept() failed\n");
return NULL;		return NULL;
}		}

n = read(connfd, msg, sizeof msg);		n = recv(connfd, msg, sizeof(msg), MSG_WAITALL);
if (n != sizeof msg) {		if (n != sizeof msg) {
perror("server read");		perror("server read");
fprintf(stderr, "%d/%d: Couldn't read remote address\n", n, (int) sizeof msg);		fprintf(stderr, "%d/%d: Couldn't read remote address\n", n, (int) sizeof msg);
goto out;		goto out;
}		}

rem_dest = malloc(sizeof *rem_dest);		rem_dest = malloc(sizeof *rem_dest);
if (!rem_dest)		if (!rem_dest)
goto out;		goto out;

sscanf(msg, "%x:%x:%x:%s", &rem_dest->lid, &rem_dest->qpn, &rem_dest->psn, gid);		sscanf(msg, "%x:%x:%x:%s", &rem_dest->lid, &rem_dest->qpn,
		&rem_dest->psn, gid);
wire_gid_to_gid(gid, &rem_dest->gid);		wire_gid_to_gid(gid, &rem_dest->gid);

if (pp_connect_ctx(ctx, ib_port, my_dest->psn, sl, rem_dest, sgid_idx)) {		if (pp_connect_ctx(ctx, ib_port, my_dest->psn, sl, rem_dest,
		sgid_idx)) {
fprintf(stderr, "Couldn't connect to remote QP\n");		fprintf(stderr, "Couldn't connect to remote QP\n");
free(rem_dest);		free(rem_dest);
rem_dest = NULL;		rem_dest = NULL;
goto out;		goto out;
}		}

gid_to_wire_gid(&my_dest->gid, gid);		gid_to_wire_gid(&my_dest->gid, gid);
sprintf(msg, "%04x:%06x:%06x:%s", my_dest->lid, my_dest->qpn, my_dest->psn, gid);		sprintf(msg, "%04x:%06x:%06x:%s", my_dest->lid, my_dest->qpn,
		my_dest->psn, gid);
if (write(connfd, msg, sizeof msg) != sizeof msg) {		if (write(connfd, msg, sizeof msg) != sizeof msg) {
fprintf(stderr, "Couldn't send local address\n");		fprintf(stderr, "Couldn't send local address\n");
free(rem_dest);		free(rem_dest);
rem_dest = NULL;		rem_dest = NULL;
goto out;		goto out;
}		}

read(connfd, msg, sizeof msg);		/* expecting msg "done" */
		if (read(connfd, msg, sizeof(msg)) <= 0) {
		fprintf(stderr, "Couldn't read \"done\" msg\n");
		free(rem_dest);
		rem_dest = NULL;
		goto out;
		}

out:		out:
close(connfd);		close(connfd);
return rem_dest;		return rem_dest;
}		}

static struct pingpong_context pp_init_ctx(struct ibv_device ib_dev, int size,		static struct pingpong_context pp_init_ctx(struct ibv_device ib_dev, int size,
int rx_depth, int port,		int rx_depth, int port,
int use_event)		int use_event)
{		{
struct pingpong_context *ctx;		struct pingpong_context *ctx;

ctx = malloc(sizeof *ctx);		ctx = malloc(sizeof *ctx);
if (!ctx)		if (!ctx)
return NULL;		return NULL;

ctx->size = size;		ctx->size = size;
ctx->rx_depth = rx_depth;		ctx->rx_depth = rx_depth;

ctx->buf = malloc(roundup(size + 40, page_size));		ctx->buf = memalign(page_size, size + 40);
if (!ctx->buf) {		if (!ctx->buf) {
fprintf(stderr, "Couldn't allocate work buf.\n");		fprintf(stderr, "Couldn't allocate work buf.\n");
return NULL;		goto clean_ctx;
}		}

memset(ctx->buf, 0, size + 40);		/* FIXME memset(ctx->buf, 0, size + 40); */
		memset(ctx->buf, 0x7b, size + 40);

ctx->context = ibv_open_device(ib_dev);		ctx->context = ibv_open_device(ib_dev);
if (!ctx->context) {		if (!ctx->context) {
fprintf(stderr, "Couldn't get context for %s\n",		fprintf(stderr, "Couldn't get context for %s\n",
ibv_get_device_name(ib_dev));		ibv_get_device_name(ib_dev));
return NULL;		goto clean_buffer;
}		}

if (use_event) {		if (use_event) {
ctx->channel = ibv_create_comp_channel(ctx->context);		ctx->channel = ibv_create_comp_channel(ctx->context);
if (!ctx->channel) {		if (!ctx->channel) {
fprintf(stderr, "Couldn't create completion channel\n");		fprintf(stderr, "Couldn't create completion channel\n");
return NULL;		goto clean_device;
}		}
} else		} else
ctx->channel = NULL;		ctx->channel = NULL;

ctx->pd = ibv_alloc_pd(ctx->context);		ctx->pd = ibv_alloc_pd(ctx->context);
if (!ctx->pd) {		if (!ctx->pd) {
fprintf(stderr, "Couldn't allocate PD\n");		fprintf(stderr, "Couldn't allocate PD\n");
return NULL;		goto clean_comp_channel;
}		}

ctx->mr = ibv_reg_mr(ctx->pd, ctx->buf, size + 40, IBV_ACCESS_LOCAL_WRITE);		ctx->mr = ibv_reg_mr(ctx->pd, ctx->buf, size + 40, IBV_ACCESS_LOCAL_WRITE);
if (!ctx->mr) {		if (!ctx->mr) {
fprintf(stderr, "Couldn't register MR\n");		fprintf(stderr, "Couldn't register MR\n");
return NULL;		goto clean_pd;
}		}

ctx->cq = ibv_create_cq(ctx->context, rx_depth + 1, NULL,		ctx->cq = ibv_create_cq(ctx->context, rx_depth + 1, NULL,
ctx->channel, 0);		ctx->channel, 0);
if (!ctx->cq) {		if (!ctx->cq) {
fprintf(stderr, "Couldn't create CQ\n");		fprintf(stderr, "Couldn't create CQ\n");
return NULL;		goto clean_mr;
}		}

{		{
struct ibv_qp_init_attr attr = {		struct ibv_qp_init_attr attr = {
.send_cq = ctx->cq,		.send_cq = ctx->cq,
.recv_cq = ctx->cq,		.recv_cq = ctx->cq,
.cap = {		.cap = {
.max_send_wr = 1,		.max_send_wr = 1,
.max_recv_wr = rx_depth,		.max_recv_wr = rx_depth,
.max_send_sge = 1,		.max_send_sge = 1,
.max_recv_sge = 1		.max_recv_sge = 1
},		},
.qp_type = IBV_QPT_UD,		.qp_type = IBV_QPT_UD,
};		};

ctx->qp = ibv_create_qp(ctx->pd, &attr);		ctx->qp = ibv_create_qp(ctx->pd, &attr);
if (!ctx->qp) {		if (!ctx->qp) {
fprintf(stderr, "Couldn't create QP\n");		fprintf(stderr, "Couldn't create QP\n");
return NULL;		goto clean_cq;
}		}
}		}

{		{
struct ibv_qp_attr attr = {		struct ibv_qp_attr attr = {
.qp_state = IBV_QPS_INIT,		.qp_state = IBV_QPS_INIT,
.pkey_index = 0,		.pkey_index = 0,
.port_num = port,		.port_num = port,
.qkey = 0x11111111		.qkey = 0x11111111
};		};

if (ibv_modify_qp(ctx->qp, &attr,		if (ibv_modify_qp(ctx->qp, &attr,
IBV_QP_STATE \|		IBV_QP_STATE \|
IBV_QP_PKEY_INDEX \|		IBV_QP_PKEY_INDEX \|
IBV_QP_PORT \|		IBV_QP_PORT \|
IBV_QP_QKEY)) {		IBV_QP_QKEY)) {
fprintf(stderr, "Failed to modify QP to INIT\n");		fprintf(stderr, "Failed to modify QP to INIT\n");
return NULL;		goto clean_qp;
}		}
}		}

return ctx;		return ctx;

		clean_qp:
		ibv_destroy_qp(ctx->qp);

		clean_cq:
		ibv_destroy_cq(ctx->cq);

		clean_mr:
		ibv_dereg_mr(ctx->mr);

		clean_pd:
		ibv_dealloc_pd(ctx->pd);

		clean_comp_channel:
		if (ctx->channel)
		ibv_destroy_comp_channel(ctx->channel);

		clean_device:
		ibv_close_device(ctx->context);

		clean_buffer:
		free(ctx->buf);

		clean_ctx:
		free(ctx);

		return NULL;
}		}

int pp_close_ctx(struct pingpong_context *ctx)		int pp_close_ctx(struct pingpong_context *ctx)
{		{
if (ibv_destroy_qp(ctx->qp)) {		if (ibv_destroy_qp(ctx->qp)) {
fprintf(stderr, "Couldn't destroy QP\n");		fprintf(stderr, "Couldn't destroy QP\n");
return 1;		return 1;
}		}
▲ Show 20 Lines • Show All 94 Lines • ▼ Show 20 Lines	static void usage(const char *argv0)
printf(" -p, --port=<port> listen on/connect to port <port> (default 18515)\n");		printf(" -p, --port=<port> listen on/connect to port <port> (default 18515)\n");
printf(" -d, --ib-dev=<dev> use IB device <dev> (default first device found)\n");		printf(" -d, --ib-dev=<dev> use IB device <dev> (default first device found)\n");
printf(" -i, --ib-port=<port> use port <port> of IB device (default 1)\n");		printf(" -i, --ib-port=<port> use port <port> of IB device (default 1)\n");
printf(" -s, --size=<size> size of message to exchange (default 1024)\n");		printf(" -s, --size=<size> size of message to exchange (default 1024)\n");
printf(" -r, --rx-depth=<dep> number of receives to post at a time (default 500)\n");		printf(" -r, --rx-depth=<dep> number of receives to post at a time (default 500)\n");
printf(" -n, --iters=<iters> number of exchanges (default 1000)\n");		printf(" -n, --iters=<iters> number of exchanges (default 1000)\n");
printf(" -e, --events sleep on CQ events (default poll)\n");		printf(" -e, --events sleep on CQ events (default poll)\n");
printf(" -g, --gid-idx=<gid index> local port gid index\n");		printf(" -g, --gid-idx=<gid index> local port gid index\n");
		printf(" -6, --ipv6 use IPv6\n");
}		}

int main(int argc, char *argv[])		int main(int argc, char *argv[])
{		{
struct ibv_device **dev_list;		struct ibv_device **dev_list;
struct ibv_device *ib_dev;		struct ibv_device *ib_dev;
struct pingpong_context *ctx;		struct pingpong_context *ctx;
struct pingpong_dest my_dest;		struct pingpong_dest my_dest;
struct pingpong_dest *rem_dest;		struct pingpong_dest *rem_dest;
struct timeval start, end;		struct timeval start, end;
char *ib_devname = NULL;		char *ib_devname = NULL;
char *servername = NULL;		char *servername = NULL;
int port = 18515;		int port = 18515;
int ib_port = 1;		int ib_port = 1;
int size = 1024;		int size = 1024;
int rx_depth = 500;		int rx_depth = 500;
int iters = 1000;		int iters = 1000;
int use_event = 0;		int use_event = 0;
int routs;		int routs;
int rcnt, scnt;		int rcnt, scnt;
int num_cq_events = 0;		int num_cq_events = 0;
int sl = 0;		int sl = 0;
int gidx = -1;		int gidx = -1;
char gid[33];		char gid[INET6_ADDRSTRLEN];

srand48(getpid() * time(NULL));		srand48(getpid() * time(NULL));

while (1) {		while (1) {
int c;		int c;

static struct option long_options[] = {		static struct option long_options[] = {
{ .name = "port", .has_arg = 1, .val = 'p' },		{ .name = "port", .has_arg = 1, .val = 'p' },
{ .name = "ib-dev", .has_arg = 1, .val = 'd' },		{ .name = "ib-dev", .has_arg = 1, .val = 'd' },
{ .name = "ib-port", .has_arg = 1, .val = 'i' },		{ .name = "ib-port", .has_arg = 1, .val = 'i' },
{ .name = "size", .has_arg = 1, .val = 's' },		{ .name = "size", .has_arg = 1, .val = 's' },
{ .name = "rx-depth", .has_arg = 1, .val = 'r' },		{ .name = "rx-depth", .has_arg = 1, .val = 'r' },
{ .name = "iters", .has_arg = 1, .val = 'n' },		{ .name = "iters", .has_arg = 1, .val = 'n' },
{ .name = "sl", .has_arg = 1, .val = 'l' },		{ .name = "sl", .has_arg = 1, .val = 'l' },
{ .name = "events", .has_arg = 0, .val = 'e' },		{ .name = "events", .has_arg = 0, .val = 'e' },
{ .name = "gid-idx", .has_arg = 1, .val = 'g' },		{ .name = "gid-idx", .has_arg = 1, .val = 'g' },
		{ .name = "ipv6", .has_arg = 0, .val = '6' },
{ 0 }		{ 0 }
};		};

c = getopt_long(argc, argv, "p:d:i:s:r:n:l:eg:", long_options, NULL);		c = getopt_long(argc, argv, "p:d:i:s:r:n:l:eg:6",
		long_options, NULL);
if (c == -1)		if (c == -1)
break;		break;

switch (c) {		switch (c) {
case 'p':		case 'p':
port = strtol(optarg, NULL, 0);		port = strtol(optarg, NULL, 0);
if (port < 0 \|\| port > 65535) {		if (port < 0 \|\| port > 65535) {
usage(argv[0]);		usage(argv[0]);
return 1;		return 1;
}		}
break;		break;

case 'd':		case 'd':
ib_devname = strdup(optarg);		ib_devname = strdupa(optarg);
break;		break;

case 'i':		case 'i':
ib_port = strtol(optarg, NULL, 0);		ib_port = strtol(optarg, NULL, 0);
if (ib_port < 0) {		if (ib_port < 0) {
usage(argv[0]);		usage(argv[0]);
return 1;		return 1;
}		}
Show All 18 Lines	while (1) {
case 'e':		case 'e':
++use_event;		++use_event;
break;		break;

case 'g':		case 'g':
gidx = strtol(optarg, NULL, 0);		gidx = strtol(optarg, NULL, 0);
break;		break;

		case '6':
		family = AF_INET6;
		break;

default:		default:
usage(argv[0]);		usage(argv[0]);
return 1;		return 1;
}		}
}		}

if (optind == argc - 1)		if (optind == argc - 1)
servername = strdup(argv[optind]);		servername = strdupa(argv[optind]);
else if (optind < argc) {		else if (optind < argc) {
usage(argv[0]);		usage(argv[0]);
return 1;		return 1;
}		}

page_size = sysconf(_SC_PAGESIZE);		page_size = sysconf(_SC_PAGESIZE);

dev_list = ibv_get_device_list(NULL);		dev_list = ibv_get_device_list(NULL);
▲ Show 20 Lines • Show All 42 Lines • ▼ Show 20 Lines	int main(int argc, char *argv[])
}		}
my_dest.lid = ctx->portinfo.lid;		my_dest.lid = ctx->portinfo.lid;

my_dest.qpn = ctx->qp->qp_num;		my_dest.qpn = ctx->qp->qp_num;
my_dest.psn = lrand48() & 0xffffff;		my_dest.psn = lrand48() & 0xffffff;

if (gidx >= 0) {		if (gidx >= 0) {
if (ibv_query_gid(ctx->context, ib_port, gidx, &my_dest.gid)) {		if (ibv_query_gid(ctx->context, ib_port, gidx, &my_dest.gid)) {
fprintf(stderr, "Could not get local gid for gid index %d\n", gidx);		fprintf(stderr, "Could not get local gid for gid index "
		"%d\n", gidx);
return 1;		return 1;
}		}
} else		} else
memset(&my_dest.gid, 0, sizeof my_dest.gid);		memset(&my_dest.gid, 0, sizeof my_dest.gid);

inet_ntop(AF_INET6, &my_dest.gid, gid, sizeof gid);		inet_ntop(AF_INET6, &my_dest.gid, gid, sizeof gid);
printf(" local address: LID 0x%04x, QPN 0x%06x, PSN 0x%06x: GID %s\n",		printf(" local address: LID 0x%04x, QPN 0x%06x, PSN 0x%06x: GID %s\n",
my_dest.lid, my_dest.qpn, my_dest.psn, gid);		my_dest.lid, my_dest.qpn, my_dest.psn, gid);

if (servername)		if (servername)
rem_dest = pp_client_exch_dest(servername, port, &my_dest);		rem_dest = pp_client_exch_dest(servername, port, &my_dest);
else		else
rem_dest = pp_server_exch_dest(ctx, ib_port, port, sl, &my_dest, gidx);		rem_dest = pp_server_exch_dest(ctx, ib_port, port, sl,
		&my_dest, gidx);

if (!rem_dest)		if (!rem_dest)
return 1;		return 1;

inet_ntop(AF_INET6, &rem_dest->gid, gid, sizeof gid);		inet_ntop(AF_INET6, &rem_dest->gid, gid, sizeof gid);
printf(" remote address: LID 0x%04x, QPN 0x%06x, PSN 0x%06x, GID %s\n",		printf(" remote address: LID 0x%04x, QPN 0x%06x, PSN 0x%06x, GID %s\n",
rem_dest->lid, rem_dest->qpn, rem_dest->psn, gid);		rem_dest->lid, rem_dest->qpn, rem_dest->psn, gid);

if (servername)		if (servername)
if (pp_connect_ctx(ctx, ib_port, my_dest.psn, sl, rem_dest, gidx))		if (pp_connect_ctx(ctx, ib_port, my_dest.psn, sl, rem_dest,
		gidx))
return 1;		return 1;

ctx->pending = PINGPONG_RECV_WRID;		ctx->pending = PINGPONG_RECV_WRID;

if (servername) {		if (servername) {
if (pp_post_send(ctx, rem_dest->qpn)) {		if (pp_post_send(ctx, rem_dest->qpn)) {
fprintf(stderr, "Couldn't post send\n");		fprintf(stderr, "Couldn't post send\n");
return 1;		return 1;
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