add condition to skip test cases where packets have SRH for broadcom platform (sonic-net#18315)

Summary: Broadcom hardware cannot process SRv6 packets with SRH properly at this time. We need to skip testing those packets on Broadcom hardware.
Signed-off-by: Guy Shemesh <gshemesh@nvidia.com>

Author: BYGX-wcr

tests/srv6/test_srv6_dataplane.py

@@ -163,6 +163,11 @@ def _validate_srv6_function(self, duthost, ptfadapter, dscp_mode):
 
         ptf_src_mac = ptfadapter.dataplane.get_mac(0, self.params['ptf_downlink_port']).decode('utf-8')
         for srv6_packet in self.params['srv6_packets']:
+            if duthost.facts["asic_type"] == "broadcom" and \
+               (srv6_packet['srh_seg_left'] or srv6_packet['srh_seg_list']):
+                logger.info("Skip the test for Broadcom ASIC with SRH")
+                continue
+
             logger.info('-------------------------------------------------------------------------')
             logger.info(f'SRv6 tunnel decapsulation mode: {dscp_mode}')
             logger.info(f'Send {self.params["packet_num"]} SRv6 packets with action: {srv6_packet["action"]}')