[ofa-general] [PATCH 3/3] Add option to Special Case the IPv6 Solicited Node Multicast address into a single Mcast Group
Ira Weiny
weiny2 at llnl.gov
Mon Jan 14 11:45:30 PST 2008
>From a1d38895e7e34e9fec297b1dbdb0637ed858d6f0 Mon Sep 17 00:00:00 2001
From: Ira K. Weiny <weiny2 at llnl.gov>
Date: Sun, 13 Jan 2008 16:03:31 -0800
Subject: [PATCH] Add option to Special Case the IPv6 Solicited Node Multicast address into a single Mcast Group
Signed-off-by: Ira K. Weiny <weiny2 at llnl.gov>
---
opensm/include/opensm/osm_subnet.h | 1 +
opensm/man/opensm.8 | 4 +++
opensm/opensm/main.c | 4 +++
opensm/opensm/osm_sa_mcmember_record.c | 35 +++++++++++++++++++++++++++++++-
opensm/opensm/osm_subnet.c | 9 ++++++++
5 files changed, 52 insertions(+), 1 deletions(-)
diff --git a/opensm/include/opensm/osm_subnet.h b/opensm/include/opensm/osm_subnet.h
index 2a28045..558b34e 100644
--- a/opensm/include/opensm/osm_subnet.h
+++ b/opensm/include/opensm/osm_subnet.h
@@ -283,6 +283,7 @@ typedef struct _osm_subn_opt {
char *event_plugin_name;
char *node_name_map_name;
char *prefix_routes_file;
+ boolean_t consolodate_ipv6_snm_req;
} osm_subn_opt_t;
/*
* FIELDS
diff --git a/opensm/man/opensm.8 b/opensm/man/opensm.8
index 475eeec..9c7b371 100644
--- a/opensm/man/opensm.8
+++ b/opensm/man/opensm.8
@@ -239,6 +239,10 @@ Specify the sweep time for the performance manager in seconds
(default is 180 seconds). Only takes
effect if --enable-perfmgr was specified at configure time.
.TP
+.BI --consolodate_ipv6_snm_reqests
+Consolodate IPv6 Solicited Node Multicast group joins into 1 IB multicast
+group.
+.TP
\fB\-v\fR, \fB\-\-verbose\fR
This option increases the log verbosity level.
The -v option may be specified multiple times
diff --git a/opensm/opensm/main.c b/opensm/opensm/main.c
index 4d0d51d..a84f6c2 100644
--- a/opensm/opensm/main.c
+++ b/opensm/opensm/main.c
@@ -615,6 +615,7 @@ int main(int argc, char *argv[])
{"perfmgr_sweep_time_s", 1, NULL, 2},
#endif
{"prefix_routes_file", 1, NULL, 3},
+ {"consolodate_ipv6_snm_reqests", 0, NULL, 4},
{NULL, 0, NULL, 0} /* Required at the end of the array */
};
@@ -916,6 +917,9 @@ int main(int argc, char *argv[])
case 3:
opt.prefix_routes_file = optarg;
break;
+ case 4:
+ opt.consolodate_ipv6_snm_req = TRUE;
+ break;
case 'h':
case '?':
case ':':
diff --git a/opensm/opensm/osm_sa_mcmember_record.c b/opensm/opensm/osm_sa_mcmember_record.c
index d37a655..bfa5d2d 100644
--- a/opensm/opensm/osm_sa_mcmember_record.c
+++ b/opensm/opensm/osm_sa_mcmember_record.c
@@ -1167,9 +1167,42 @@ __search_mgrp_by_mgid(IN cl_map_item_t * const p_map_item, IN void *context)
/* compare entire MGID so different scope will not sneak in for
the same MGID */
- if (memcmp(&p_mgrp->mcmember_rec.mgid, p_recvd_mgid, sizeof(ib_gid_t)))
+ if (memcmp(&p_mgrp->mcmember_rec.mgid, p_recvd_mgid, sizeof(ib_gid_t))) {
+
+ if (sa->p_subn->opt.consolodate_ipv6_snm_req) {
+ /* Special Case IPV6 Multicast Loopback addresses */
+ /* 0xff12601bXXXX0000 : 0x00000001ffYYYYYY */
+ /* Where XXXX is the partition and YYYYYY is the last 24 bits
+ * of the port guid */
+#define PREFIX_MASK (0xff12601b00000000)
+#define INT_ID_MASK (0x00000001ff000000)
+ uint64_t g_prefix = cl_ntoh64(p_mgrp->mcmember_rec.mgid.unicast.prefix);
+ uint64_t g_interface_id = cl_ntoh64(p_mgrp->mcmember_rec.mgid.unicast.interface_id);
+ uint64_t rcv_prefix = cl_ntoh64(p_recvd_mgid->unicast.prefix);
+ uint64_t rcv_interface_id = cl_ntoh64(p_recvd_mgid->unicast.interface_id);
+
+ if (((rcv_prefix & PREFIX_MASK) == PREFIX_MASK)
+ &&
+ (rcv_interface_id & INT_ID_MASK) == INT_ID_MASK) {
+
+ if ((g_prefix == rcv_prefix)
+ &&
+ (g_interface_id & INT_ID_MASK) ==
+ (rcv_interface_id & INT_ID_MASK)
+ ) {
+ osm_log(sa->p_log, OSM_LOG_INFO,
+ "Special Case Mcast Join for MGID "
+ " MGID 0x%016"PRIx64" : 0x%016"PRIx64"\n",
+ rcv_prefix, rcv_interface_id);
+ goto match;
+ }
+ }
+ }
+
return;
+ }
+match:
if (p_ctxt->p_mgrp) {
osm_log(sa->p_log, OSM_LOG_ERROR,
"__search_mgrp_by_mgid: ERR 1F08: "
diff --git a/opensm/opensm/osm_subnet.c b/opensm/opensm/osm_subnet.c
index 0103940..558ea68 100644
--- a/opensm/opensm/osm_subnet.c
+++ b/opensm/opensm/osm_subnet.c
@@ -481,6 +481,7 @@ void osm_subn_set_default_opt(IN osm_subn_opt_t * const p_opt)
p_opt->enable_quirks = FALSE;
p_opt->no_clients_rereg = FALSE;
p_opt->prefix_routes_file = OSM_DEFAULT_PREFIX_ROUTES_FILE;
+ p_opt->consolodate_ipv6_snm_req = FALSE;
subn_set_default_qos_options(&p_opt->qos_options);
subn_set_default_qos_options(&p_opt->qos_ca_options);
subn_set_default_qos_options(&p_opt->qos_sw0_options);
@@ -1394,6 +1395,9 @@ ib_api_status_t osm_subn_parse_conf_file(IN osm_subn_opt_t * const p_opts)
opts_unpack_charp("prefix_routes_file",
p_key, p_val, &p_opts->prefix_routes_file);
+
+ opts_unpack_boolean("consolodate_ipv6_snm_req",
+ p_key, p_val, &p_opts->consolodate_ipv6_snm_req);
}
fclose(opts_file);
@@ -1721,6 +1725,11 @@ ib_api_status_t osm_subn_write_conf_file(IN osm_subn_opt_t * const p_opts)
"prefix_routes_file %s\n\n",
p_opts->prefix_routes_file);
+ fprintf(opts_file,
+ "#\n# IPv6 MCast Options\n#\n"
+ "consolodate_ipv6_snm_req %s\n\n",
+ p_opts->consolodate_ipv6_snm_req ? "TRUE" : "FALSE");
+
/* optional string attributes ... */
fclose(opts_file);
--
1.5.1
-------------- next part --------------
A non-text attachment was scrubbed...
Name: 0003-Add-option-to-Special-Case-the-IPv6-Solicited-Node-M.patch
Type: application/octet-stream
Size: 5330 bytes
Desc: not available
URL: <http://lists.openfabrics.org/pipermail/general/attachments/20080114/b0fef443/attachment.obj>
More information about the general
mailing list