This patch adds a new -m <mtu_size> option to the ping pong
programs which have a path MTU parameter to ib_modify_qp().
Signed-off-by: Ralph Campbell <[EMAIL PROTECTED]>
Index: libibverbs/examples/rc_pingpong.c
===================================================================
--- libibverbs/examples/rc_pingpong.c (revision 5065)
+++ libibverbs/examples/rc_pingpong.c (working copy)
@@ -59,6 +59,7 @@
};
static int page_size;
+static int path_mtu;
struct pingpong_context {
struct ibv_context *context;
@@ -94,7 +95,7 @@
{
struct ibv_qp_attr attr = {
.qp_state = IBV_QPS_RTR,
- .path_mtu = IBV_MTU_1024,
+ .path_mtu = path_mtu,
.dest_qp_num = dest->qpn,
.rq_psn = dest->psn,
.max_dest_rd_atomic = 1,
@@ -440,6 +441,7 @@
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(" -s, --size=<size> size of message to exchange (default
4096)\n");
+ printf(" -m, --mtu=<size> path MTU (default 1024)\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(" -e, --events sleep on CQ events (default poll)\n");
@@ -458,6 +460,7 @@
int port = 18515;
int ib_port = 1;
int size = 4096;
+ int mtu = 1024;
int rx_depth = 500;
int iters = 1000;
int use_event = 0;
@@ -474,13 +477,14 @@
{ .name = "ib-dev", .has_arg = 1, .val = 'd' },
{ .name = "ib-port", .has_arg = 1, .val = 'i' },
{ .name = "size", .has_arg = 1, .val = 's' },
+ { .name = "mtu", .has_arg = 1, .val = 'm' },
{ .name = "rx-depth", .has_arg = 1, .val = 'r' },
{ .name = "iters", .has_arg = 1, .val = 'n' },
{ .name = "events", .has_arg = 0, .val = 'e' },
{ 0 }
};
- c = getopt_long(argc, argv, "p:d:i:s:r:n:e", long_options,
NULL);
+ c = getopt_long(argc, argv, "p:d:i:s:m:r:n:e", long_options,
NULL);
if (c == -1)
break;
@@ -509,6 +513,10 @@
size = strtol(optarg, NULL, 0);
break;
+ case 'm':
+ mtu = strtol(optarg, NULL, 0);
+ break;
+
case 'r':
rx_depth = strtol(optarg, NULL, 0);
break;
@@ -534,6 +542,32 @@
return 1;
}
+ switch (mtu) {
+ case 256:
+ path_mtu = IBV_MTU_256;
+ break;
+
+ case 512:
+ path_mtu = IBV_MTU_512;
+ break;
+
+ case 1024:
+ path_mtu = IBV_MTU_1024;
+ break;
+
+ case 2048:
+ path_mtu = IBV_MTU_2048;
+ break;
+
+ case 4096:
+ path_mtu = IBV_MTU_4096;
+ break;
+
+ default:
+ usage(argv[0]);
+ return 1;
+ }
+
page_size = sysconf(_SC_PAGESIZE);
dev_list = ibv_get_device_list(NULL);
Index: libibverbs/examples/uc_pingpong.c
===================================================================
--- libibverbs/examples/uc_pingpong.c (revision 5065)
+++ libibverbs/examples/uc_pingpong.c (working copy)
@@ -59,6 +59,7 @@
};
static int page_size;
+static int path_mtu;
struct pingpong_context {
struct ibv_context *context;
@@ -94,7 +95,7 @@
{
struct ibv_qp_attr attr = {
.qp_state = IBV_QPS_RTR,
- .path_mtu = IBV_MTU_1024,
+ .path_mtu = path_mtu,
.dest_qp_num = dest->qpn,
.rq_psn = dest->psn,
.ah_attr = {
@@ -428,6 +429,7 @@
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(" -s, --size=<size> size of message to exchange (default
4096)\n");
+ printf(" -m, --mtu=<size> path MTU (default 1024)\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(" -e, --events sleep on CQ events (default poll)\n");
@@ -446,6 +448,7 @@
int port = 18515;
int ib_port = 1;
int size = 4096;
+ int mtu = 1024;
int rx_depth = 500;
int iters = 1000;
int use_event = 0;
@@ -462,13 +465,14 @@
{ .name = "ib-dev", .has_arg = 1, .val = 'd' },
{ .name = "ib-port", .has_arg = 1, .val = 'i' },
{ .name = "size", .has_arg = 1, .val = 's' },
+ { .name = "mtu", .has_arg = 1, .val = 'm' },
{ .name = "rx-depth", .has_arg = 1, .val = 'r' },
{ .name = "iters", .has_arg = 1, .val = 'n' },
{ .name = "events", .has_arg = 0, .val = 'e' },
{ 0 }
};
- c = getopt_long(argc, argv, "p:d:i:s:r:n:e", long_options,
NULL);
+ c = getopt_long(argc, argv, "p:d:i:s:m:r:n:e", long_options,
NULL);
if (c == -1)
break;
@@ -497,6 +501,10 @@
size = strtol(optarg, NULL, 0);
break;
+ case 'm':
+ mtu = strtol(optarg, NULL, 0);
+ break;
+
case 'r':
rx_depth = strtol(optarg, NULL, 0);
break;
@@ -522,6 +530,32 @@
return 1;
}
+ switch (mtu) {
+ case 256:
+ path_mtu = IBV_MTU_256;
+ break;
+
+ case 512:
+ path_mtu = IBV_MTU_512;
+ break;
+
+ case 1024:
+ path_mtu = IBV_MTU_1024;
+ break;
+
+ case 2048:
+ path_mtu = IBV_MTU_2048;
+ break;
+
+ case 4096:
+ path_mtu = IBV_MTU_4096;
+ break;
+
+ default:
+ usage(argv[0]);
+ return 1;
+ }
+
page_size = sysconf(_SC_PAGESIZE);
dev_list = ibv_get_device_list(NULL);
Index: libibverbs/examples/srq_pingpong.c
===================================================================
--- libibverbs/examples/srq_pingpong.c (revision 5065)
+++ libibverbs/examples/srq_pingpong.c (working copy)
@@ -61,6 +61,7 @@
};
static int page_size;
+static int path_mtu;
struct pingpong_context {
struct ibv_context *context;
@@ -102,7 +103,7 @@
for (i = 0; i < ctx->num_qp; ++i) {
struct ibv_qp_attr attr = {
.qp_state = IBV_QPS_RTR,
- .path_mtu = IBV_MTU_1024,
+ .path_mtu = path_mtu,
.dest_qp_num = dest[i].qpn,
.rq_psn = dest[i].psn,
.max_dest_rd_atomic = 1,
@@ -501,6 +502,7 @@
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(" -s, --size=<size> size of message to exchange (default
4096)\n");
+ printf(" -m, --mtu=<size> path MTU (default 1024)\n");
printf(" -q, --num-qp=<num> number of QPs to use (default 16)\n");
printf(" -r, --rx-depth=<dep> number of receives to post at a time
(default 500)\n");
printf(" -n, --iters=<iters> number of exchanges per QP(default
1000)\n");
@@ -521,6 +523,7 @@
int port = 18515;
int ib_port = 1;
int size = 4096;
+ int mtu = 1024;
int num_qp = 16;
int rx_depth = 500;
int iters = 1000;
@@ -540,6 +543,7 @@
{ .name = "ib-dev", .has_arg = 1, .val = 'd' },
{ .name = "ib-port", .has_arg = 1, .val = 'i' },
{ .name = "size", .has_arg = 1, .val = 's' },
+ { .name = "mtu", .has_arg = 1, .val = 'm' },
{ .name = "num-qp", .has_arg = 1, .val = 'q' },
{ .name = "rx-depth", .has_arg = 1, .val = 'r' },
{ .name = "iters", .has_arg = 1, .val = 'n' },
@@ -547,7 +551,7 @@
{ 0 }
};
- c = getopt_long(argc, argv, "p:d:i:s:q:r:n:e", long_options,
NULL);
+ c = getopt_long(argc, argv, "p:d:i:s:m:q:r:n:e", long_options,
NULL);
if (c == -1)
break;
@@ -576,6 +580,10 @@
size = strtol(optarg, NULL, 0);
break;
+ case 'm':
+ mtu = strtol(optarg, NULL, 0);
+ break;
+
case 'q':
num_qp = strtol(optarg, NULL, 0);
break;
@@ -605,6 +613,32 @@
return 1;
}
+ switch (mtu) {
+ case 256:
+ path_mtu = IBV_MTU_256;
+ break;
+
+ case 512:
+ path_mtu = IBV_MTU_512;
+ break;
+
+ case 1024:
+ path_mtu = IBV_MTU_1024;
+ break;
+
+ case 2048:
+ path_mtu = IBV_MTU_2048;
+ break;
+
+ case 4096:
+ path_mtu = IBV_MTU_4096;
+ break;
+
+ default:
+ usage(argv[0]);
+ return 1;
+ }
+
if (num_qp > rx_depth) {
fprintf(stderr, "rx_depth %d is too small for %d QPs -- "
"must have at least one receive per QP.\n",
--
Ralph Campbell <[EMAIL PROTECTED]>
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