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Diffstat (limited to 'net/rds/ib_cm.c')
-rw-r--r--net/rds/ib_cm.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/net/rds/ib_cm.c b/net/rds/ib_cm.c
index 0d654d99fe41..bfbb31f0c7fd 100644
--- a/net/rds/ib_cm.c
+++ b/net/rds/ib_cm.c
@@ -678,6 +678,7 @@ static u32 rds_ib_protocol_compatible(struct rdma_cm_event *event, bool isv6)
return version;
}
+#if IS_ENABLED(CONFIG_IPV6)
/* Given an IPv6 address, find the net_device which hosts that address and
* return its index. This is used by the rds_ib_cm_handle_connect() code to
* find the interface index of where an incoming request comes from when
@@ -704,6 +705,7 @@ static u32 __rds_find_ifindex(struct net *net, const struct in6_addr *addr)
return idx;
}
+#endif
int rds_ib_cm_handle_connect(struct rdma_cm_id *cm_id,
struct rdma_cm_event *event, bool isv6)
@@ -732,6 +734,7 @@ int rds_ib_cm_handle_connect(struct rdma_cm_id *cm_id,
dp = event->param.conn.private_data;
if (isv6) {
+#if IS_ENABLED(CONFIG_IPV6)
dp_cmn = &dp->ricp_v6.dp_cmn;
saddr6 = &dp->ricp_v6.dp_saddr;
daddr6 = &dp->ricp_v6.dp_daddr;
@@ -756,6 +759,10 @@ int rds_ib_cm_handle_connect(struct rdma_cm_id *cm_id,
goto out;
}
}
+#else
+ err = -EOPNOTSUPP;
+ goto out;
+#endif
} else {
dp_cmn = &dp->ricp_v4.dp_cmn;
ipv6_addr_set_v4mapped(dp->ricp_v4.dp_saddr, &s_mapped_addr);
@@ -893,9 +900,11 @@ int rds_ib_conn_path_connect(struct rds_conn_path *cp)
/* XXX I wonder what affect the port space has */
/* delegate cm event handler to rdma_transport */
+#if IS_ENABLED(CONFIG_IPV6)
if (conn->c_isv6)
handler = rds6_rdma_cm_event_handler;
else
+#endif
handler = rds_rdma_cm_event_handler;
ic->i_cm_id = rdma_create_id(&init_net, handler, conn,
RDMA_PS_TCP, IB_QPT_RC);