i am not seeing any counters by name "rx_tcp_bad_cksum" or "rx_udp_bad_cksum". Below is all the counters available for physical port. I am connecting to CDOT running 8.3.2P6 version.
Below is the dump of (perf-object-get-instances + instance['e0g'] + objectname['nic_common']) api invoke.
{
"instance_name": "e0g",
"instance_uuid": "clus1:kernel:e0g",
"link_current_state": "up",
"link_duplex": "full",
"link_flowcontrol": "non",
"link_speed": "10000000000",
"link_up_to_downs": "2",
"nic_type": "nic_qla",
"node_name": "i-cdot1-02",
"node_uuid": "d8c4b111-6dc7-11e5-a733-dbf023ba2127",
"process_name": "",
"rss_enabled": "Yes",
"rss_hash_errors": "0",
"rss_itable_updates": "4233",
"rss_matrix": "125777990,10821627070,24725585853,48011025587300,24655563124,15061878857,115254853830560,22503576089,46153308888239,6380327470,8692952395,77572496479647,15880730042,33600031094202,6175549897,7815508522,69552986191060,4769431160,9722708563989,42709401,8095239514,73164196456409,9940303892,19620112917984,1046220668,8428048361,78124787836762,11382325871,21676295517771,4241897293,7718261858,68401695986393,4695439075,8112729189790,1209640683,6711436648,60086029145859,8343591698,15918156002276,1149384539,8130174202,68196270650004,8609248936,16844599877082,2063968433,8092964822,67059827042043,7743387468,15202091800378,1212824058,7679280235,67999677420929,12049081251,23688761916627,4675126654,7068030829,62945332363185,2744709766,5429709608912,3498666,6328123970,61092456517439,6507188307,12699174259166,7060718,7265914087,62745132412681,4660763991,8424439892492,5098586,7349230633,66446352261404,14706921323,27315523063065,6688568520,9307481036,74159758796566,7864872746,15225202770287,20638862",
"rss_num_of_queues_used": "16",
"recv_bytes": "327480408770662",
"recv_bytes_per_sec": "2037352550",
"recv_bytes_rate": "2037352550",
"recv_discards": "29040",
"recv_discards_per_min": "0",
"recv_discards_rate": "29040",
"recv_errors": "124725850275840",
"recv_errors_per_min": "0",
"recv_errors_rate": "0",
"recv_frames": "167011914883",
"recv_frames_per_sec": "3803157635",
"recv_frames_rate": "3803157635",
"recv_lro_bytes": "251421468894785",
"recv_lro_segments": "49754853225",
"recv_multi_broadcast": "0",
"recv_no_buffers": "0",
"recv_non_primary_uc": "0",
"recv_tag_drop": "0",
"recv_total_bytes": "327480408770662",
"recv_total_discards": "29040",
"recv_total_errors": "0",
"recv_total_frames": "167011914883",
"recv_vlan_broadcasts": "0",
"recv_vlan_forwards": "0",
"recv_vlan_tag_drop": "0",
"recv_vlan_unicasts": "0",
"recv_vlan_untag_drop": "0",
"send_buffer_coalesces": "10882",
"send_bytes": "1072812675018011",
"send_bytes_per_sec": "2858921243",
"send_bytes_rate": "2858921243",
"send_discards": "1535609722109952",
"send_discards_per_min": "0",
"send_discards_rate": "0",
"send_errors": "0",
"send_errors_per_min": "0",
"send_errors_rate": "0",
"send_frames": "123870303959",
"send_frames_per_sec": "3611219671",
"send_frames_queued": "0",
"send_frames_rate": "3611219671",
"send_ltm_busy_calls": "0",
"send_ltm_fastp_calls": "3494113764",
"send_ltm_total_calls": "123793178441",
"send_ltm_update_calls": "170761467",
"send_ltm_yield_calls": "0",
"send_mtus_too_big": "0",
"send_multi_broadcast": "357537",
"send_no_buffers": "0",
"send_queue_overflows": "0",
"send_total_bytes": "1072812675018011",
"send_total_discards": "0",
"send_total_errors": "0",
"send_total_frames": "123870303959",
"send_tso6_bytes": "0",
"send_tso6_segments": "0",
"send_tso_bytes": "1004556752418755",
"send_tso_segments": "428832230"
}