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Fix SONiC PFC storm generation script on Arista devices #20764

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Merged
StormLiangMS merged 1 commit into from
Sep 25, 2025
+4 −2
Merged

Fix SONiC PFC storm generation script on Arista devices #20764

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6 changes: 4 additions & 2 deletions tests/common/helpers/pfc_gen_brcm_xgs.py
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Original file line number Diff line number Diff line change
Expand Up @@ -148,11 +148,12 @@ def _endPfcStorm(self, intf):
self._bcmltshellCmd(f"pt MMU_INTFO_TO_XPORT_BKPr set BCMLT_PT_PORT={mmuPort} PAUSE_PFC_BKP=0")
else:
self._bcmshellCmd(f"setreg CHFC2PFC_STATE.{port} PRI_BKP=0")
self._cliCmd(f"en\nconf\n\nint {intf}\nno priority-flow-control on")
if self.os == 'sonic':
for prio in range(8):
self._cliCmd(f"config interface pfc priority {intf} {prio} off")
self._shellCmd(f"config interface pfc priority {intf} {prio} off")
self._shellCmd(f"redis-cli -n 4 DEL \"PORT_QOS_MAP|{intf}\"")
else:
self._cliCmd(f"en\nconf\n\nint {intf}\nno priority-flow-control on")
for prio in range(8):
self._cliCmd(f"en\nconf\n\nint {intf}\nno priority-flow-control priority {prio} no-drop")

Expand All @@ -164,6 +165,7 @@ def startPfcStorm(self, intf):
mmuPort = self.intfToMmuPort[intf]
port = self.intfToPort[intf]
if self.os == 'sonic':
self._shellCmd(f"redis-cli -n 4 HSET \"PORT_QOS_MAP|{intf}\" \"pfc_enable\" \"\"")
for prio in range(8):
if (1 << prio) & self.priority:
self._shellCmd(f"config interface pfc priority {intf} {prio} on")
Expand Down