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-rw-r--r--mpm/python/usrp_mpm/periph_manager/n310.py6
1 files changed, 4 insertions, 2 deletions
diff --git a/mpm/python/usrp_mpm/periph_manager/n310.py b/mpm/python/usrp_mpm/periph_manager/n310.py
index f49b6d052..7b43aec38 100644
--- a/mpm/python/usrp_mpm/periph_manager/n310.py
+++ b/mpm/python/usrp_mpm/periph_manager/n310.py
@@ -149,12 +149,14 @@ class n310(PeriphManagerBase):
for ifname, table in iteritems(self._eth_dispatchers):
table.set_ipv4_addr(self._chdr_interfaces[ifname]['ip_addr'])
- def _allocate_sid(self, sender_addr, port, sid, xbar_src_addr, xbar_src_port):
+ def _allocate_sid(self, sender_addr, port, sid, xbar_src_addr, xbar_src_port, new_ep):
"""
Get the MAC address of the sender and store it in the FPGA ARP table
"""
mac_addr = get_mac_addr(sender_addr)
- new_ep = self._available_endpoints.pop(0)
+ if new_ep not in self._available_endpoints:
+ raise RuntimeError("no more sids yo")
+ self._available_endpoints.remove(new_ep)
if mac_addr is not None:
if sender_addr not in self.sid_endpoints:
self.sid_endpoints.update({sender_addr: (new_ep,)})