+++ /dev/null
-Bottom: 30326a5093b7b177c8d7612eba401d4999793f71
-Top: 8e12fd9af041eada9d787d668ec7a927950bc540
-Author: Sean Hefty <sean.hefty@intel.com>
-Date: 2010-11-09 15:37:58 -0800
-
-ibacm: allow disabling for loopback
-
-Multicast traffic is not always routed back to the QP which sent
-the datagram. To account for HCA firmware bugs, we allow the
-user to disable ACM when the destination address is on the local
-system.
-
-Signed-off-by: Sean Hefty <sean.hefty@intel.com>
-
-
----
-
-diff --git a/acm_opts.cfg b/acm_opts.cfg
-index 3dbb0c6..61872ef 100644
---- a/acm_opts.cfg
-+++ b/acm_opts.cfg
-@@ -41,6 +41,13 @@ addr_prot acm
- \r
- route_prot sa\r
- \r
-+# disable_loopback:\r
-+# If non-zero, the ACM will fail resolution requests for local destination\r
-+# addresses. This works around issues with HCAs that do not copy\r
-+# multicast traffic back to the QP that issues the send.\r
-+\r
-+disable_loopback 0\r
-+\r
- # server_port:\r
- # TCP port number that the server listens on.\r
- # If this value is changed, then a corresponding change is required for\r
-diff --git a/src/acm.c b/src/acm.c
-index 820365c..ddd5cf0 100644
---- a/src/acm.c
-+++ b/src/acm.c
-@@ -200,6 +200,7 @@ static char log_file[128] = "stdout";
- static int log_level = 0;
- static enum acm_addr_prot addr_prot = ACM_ADDR_PROT_ACM;
- static enum acm_route_prot route_prot = ACM_ROUTE_PROT_ACM;
-+static int disable_loopback = 0;
- static short server_port = 6125;
- static int timeout = 2000;
- static int retries = 15;
-@@ -1700,7 +1701,6 @@ acm_get_ep(struct acm_ep_addr_data *data)
- }
- }
-
-- acm_log_addr(0, "acm_get_ep: could not find ", data->type, data->info.addr);
- return NULL;
- }
-
-@@ -1726,7 +1726,8 @@ acm_svr_query(struct acm_client *client, struct acm_resolve_msg *msg)
-
- ep = acm_get_ep(&msg->data[0]);
- if (!ep) {
-- acm_log(0, "could not find local end point\n");
-+ acm_log_addr(0, "acm_svr_query: could not find ",
-+ msg->data[0].type, msg->data[0].info.addr);
- status = ACM_STATUS_ESRCADDR;
- goto resp;
- }
-@@ -1947,10 +1948,22 @@ acm_svr_resolve(struct acm_client *client, struct acm_resolve_msg *msg)
- return acm_client_resolve_resp(client, msg, NULL, status);
- }
-
-+ if (disable_loopback) {
-+ acm_log_addr(2, "acm_svr_resolve: dest loopback? ",
-+ daddr->type, daddr->info.addr);
-+ ep = acm_get_ep(daddr);
-+ if (ep) {
-+ acm_log(2, "dest is local, and loopback is disabled\n");
-+ return acm_client_resolve_resp(client, msg, NULL,
-+ ACM_STATUS_EDESTADDR);
-+ }
-+ }
-+
- acm_log_addr(2, "acm_svr_resolve: source ", saddr->type, saddr->info.addr);
- ep = acm_get_ep(saddr);
- if (!ep) {
-- acm_log(0, "unknown local end point\n");
-+ acm_log_addr(0, "acm_svr_resolve: could not find ",
-+ saddr->type, saddr->info.addr);
- return acm_client_resolve_resp(client, msg, NULL, ACM_STATUS_ESRCADDR);
- }
-
-@@ -2562,6 +2575,8 @@ static void acm_set_options(void)
- addr_prot = acm_convert_addr_prot(value);
- else if (!stricmp("route_prot", opt))
- route_prot = acm_convert_route_prot(value);
-+ else if (!stricmp("disable_loopback", opt))
-+ disable_loopback = atoi(value);
- else if (!stricmp("server_port", opt))
- server_port = (short) atoi(value);
- else if (!stricmp("timeout", opt))
-@@ -2590,6 +2605,7 @@ static void acm_log_options(void)
- acm_log(0, "log level %d\n", log_level);
- acm_log(0, "address resolution %d\n", addr_prot);
- acm_log(0, "route resolution %d\n", route_prot);
-+ acm_log(0, "disable loopback %d\n", disable_loopback);
- acm_log(0, "server_port %d\n", server_port);
- acm_log(0, "timeout %d ms\n", timeout);
- acm_log(0, "retries %d\n", retries);
-diff --git a/src/acme.c b/src/acme.c
-index e03679f..6080b46 100644
---- a/src/acme.c
-+++ b/src/acme.c
-@@ -121,6 +121,13 @@ static void gen_opts_temp(FILE *f)
- fprintf(f, "\n");
- fprintf(f, "route_prot sa\n");
- fprintf(f, "\n");
-+ fprintf(f, "# disable_loopback:\n");
-+ fprintf(f, "# If non-zero, the ACM will fail resolution requests for local destination\n");
-+ fprintf(f, "# addresses. This works around issues with HCAs that do not copy\n");
-+ fprintf(f, "# multicast traffic back to the QP that issues the send.\n");
-+ fprintf(f, "\n");
-+ fprintf(f, "disable_loopback 0\n");
-+ fprintf(f, "\n");
- fprintf(f, "# server_port:\n");
- fprintf(f, "# TCP port number that the server listens on.\n");
- fprintf(f, "# If this value is changed, then a corresponding change is required for\n");