sims/net/switch: don't forward to source port

718d10d2 · Antoine Kaufmann · 768f80eb · 718d10d2
Commit 718d10d2 authored Aug 30, 2021 by Antoine Kaufmann
Hide whitespace changes
Inline Side-by-side

Showing with 2 additions and 1 deletion

sims/net/switch/net_switch.cc sims/net/switch/net_switch.cc +2 -1

No files found.
--- a/sims/net/switch/net_switch.cc
+++ b/sims/net/switch/net_switch.cc
@@ -413,7 +413,8 @@ static void switch_pkt(Port &port, size_t iport) {
    auto i = mac_table.find(dst);
    if (i != mac_table.end()) {
      size_t eport = i->second;
-      forward_pkt(pkt_data, pkt_len, eport);
+      if (eport != iport)
+        forward_pkt(pkt_data, pkt_len, eport);
    } else {
      // Broadcast
      for (size_t eport = 0; eport < ports.size(); eport++) {