[RX] Discard incoming packets if knet cannot reply back.

Signed-off-by: Fabio M. Di Nitto <fdinitto@redhat.com>

diff --git a/libknet/threads_rx.c b/libknet/threads_rx.c
index 4693cc0b9123cb7ba196c40d858a0fc7dae4a06a..18d8173ff6eb827844bcb14f7bbeb4f2c7a440b5 100644 (file)
--- a/libknet/threads_rx.c
+++ b/libknet/threads_rx.c
@@ -339,14 +339,9 @@ static void _parse_recv_from_links(knet_handle_t knet_h, int sockfd, const struc
        switch (inbuf->kh_type) {
        case KNET_HEADER_TYPE_HOST_INFO:
        case KNET_HEADER_TYPE_DATA:
-               /*
-                * TODO: should we accept data even if we can't reply to the other node?
-                *       how would that work with SCTP and guaranteed delivery?
-                */
-
                if (!src_host->status.reachable) {
-                       log_debug(knet_h, KNET_SUB_RX, "Source host %u not reachable yet", src_host->host_id);
-                       //return;
+                       log_debug(knet_h, KNET_SUB_RX, "Source host %u not reachable yet. Discarding packet.", src_host->host_id);
+                       return;
                }
                inbuf->khp_data_seq_num = ntohs(inbuf->khp_data_seq_num);
                channel = inbuf->khp_data_channel;