From: Alex Vesker <valex@xxxxxxxxxxxx>
Subject: [PATCH 2/2] librdmacm: mckey test with rdma_join_multicast_ex
This is a temporary commit modifying mckey to run
rdma_join_multicast_ex instead of rdma_join_multicast.
Added a new flag to -o to mckey, this flag will allow mckey
to join a MC as Send Only Full Member.
Tested-by: Christoph Lameter <cl@xxxxxxxxx>
Signed-off-by: Alex Vesker <valex@xxxxxxxxxxxx>
Signed-off-by: Christoph Lameter <cl@xxxxxxxxx>
---
Index: rdma-core/librdmacm/examples/mckey.c
===================================================================
--- rdma-core.orig/librdmacm/examples/mckey.c
+++ rdma-core/librdmacm/examples/mckey.c
@@ -77,6 +77,7 @@ static int connections = 1;
static int message_size = 100;
static int message_count = 10;
static int is_sender;
+static int send_only = 0;
static int unmapped_addr;
static char *dst_addr;
static char *src_addr;
@@ -241,6 +242,7 @@ static void connect_error(void)
static int addr_handler(struct cmatest_node *node)
{
int ret;
+ struct rdma_cm_join_mc_attr_ex my_attr;
ret = verify_test_params(node);
if (ret)
@@ -256,7 +258,13 @@ static int addr_handler(struct cmatest_n
goto err;
}
- ret = rdma_join_multicast(node->cma_id, test.dst_addr, node);
+ my_attr.comp_mask = RDMA_CM_JOIN_MC_ATTR_ADDRESS | RDMA_CM_JOIN_MC_ATTR_JOIN_FLAGS;
+ my_attr.addr = test.dst_addr;
+ my_attr.join_flags = send_only ? RDMA_MC_JOIN_FLAG_SENDONLY_FULLMEMBER : \
+ RDMA_MC_JOIN_FLAG_FULLMEMBER;
+
+ ret = rdma_join_multicast_ex(node->cma_id, &my_attr, node);
+
if (ret) {
perror("mckey: failure joining");
goto err;
@@ -555,9 +563,12 @@ int main(int argc, char **argv)
{
int op, ret;
-
- while ((op = getopt(argc, argv, "m:M:sb:c:C:S:p:")) != -1) {
+ while ((op = getopt(argc, argv, "m:M:sb:c:C:S:p:o")) != -1) {
switch (op) {
+ case 'o':
+ puts("Will join as send only full member");
+ send_only = 1;
+ break;
case 'm':
dst_addr = optarg;
break;
@@ -596,6 +607,7 @@ int main(int argc, char **argv)
printf("\t[-S message_size]\n");
printf("\t[-p port_space - %#x for UDP (default), "
"%#x for IPOIB]\n", RDMA_PS_UDP, RDMA_PS_IPOIB);
+ printf("\t[-o use sendonly fullmember]\n");
exit(1);
}
}
--
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