# Display a process of packets and processed time. # SPDX-License-Identifier: GPL-2.0 # It helps us to investigate networking or network device. # # options # tx: show only tx chart # rx: show only rx chart # dev=: show only thing related to specified device # debug: work with debug mode. It shows buffer status. from __future__ import print_function import os import sys sys.path.append(os.environ['PERF_EXEC_PATH'] + \ '/scripts/python/Perf-Trace-Util/lib/Perf/Trace') from perf_trace_context import * from Core import * from Util import * from functools import cmp_to_key all_event_list = []; # insert all tracepoint event related with this script irq_dic = {}; # key is cpu and value is a list which stacks irqs # which raise NET_RX softirq net_rx_dic = {}; # key is cpu and value include time of NET_RX softirq-entry # and a list which stacks receive receive_hunk_list = []; # a list which include a sequence of receive events rx_skb_list = []; # received packet list for matching # skb_copy_datagram_iovec buffer_budget = 65536; # the budget of rx_skb_list, tx_queue_list and # tx_xmit_list of_count_rx_skb_list = 0; # overflow count tx_queue_list = []; # list of packets which pass through dev_queue_xmit of_count_tx_queue_list = 0; # overflow count tx_xmit_list = []; # list of packets which pass through dev_hard_start_xmit of_count_tx_xmit_list = 0; # overflow count tx_free_list = []; # list of packets which is freed # options show_tx = 0; show_rx = 0; dev = 0; # store a name of device specified by option "dev=" debug = 0; # indices of event_info tuple EINFO_IDX_NAME= 0 EINFO_IDX_CONTEXT=1 EINFO_IDX_CPU= 2 EINFO_IDX_TIME= 3 EINFO_IDX_PID= 4 EINFO_IDX_COMM= 5 # Calculate a time interval(msec) from src(nsec) to dst(nsec) def diff_msec(src, dst): return (dst - src) / 1000000.0 # Display a process of transmitting a packet def print_transmit(hunk): if dev != 0 and hunk['dev'].find(dev) < 0: return print("%7s %5d %6d.%06dsec %12.3fmsec %12.3fmsec" % (hunk['dev'], hunk['len'], nsecs_secs(hunk['queue_t']), nsecs_nsecs(hunk['queue_t'])/1000, diff_msec(hunk['queue_t'], hunk['xmit_t']), diff_msec(hunk['xmit_t'], hunk['free_t']))) # Format for displaying rx packet processing PF_IRQ_ENTRY= " irq_entry(+%.3fmsec irq=%d:%s)" PF_SOFT_ENTRY=" softirq_entry(+%.3fmsec)" PF_NAPI_POLL= " napi_poll_exit(+%.3fmsec %s)" PF_JOINT= " |" PF_WJOINT= " | |" PF_NET_RECV= " |---netif_receive_skb(+%.3fmsec skb=%x len=%d)" PF_NET_RX= " |---netif_rx(+%.3fmsec skb=%x)" PF_CPY_DGRAM= " | skb_copy_datagram_iovec(+%.3fmsec %d:%s)" PF_KFREE_SKB= " | kfree_skb(+%.3fmsec location=%x)" PF_CONS_SKB= " | consume_skb(+%.3fmsec)" # Display a process of received packets and interrputs associated with # a NET_RX softirq def print_receive(hunk): show_hunk = 0 irq_list = hunk['irq_list'] cpu = irq_list[0]['cpu'] base_t = irq_list[0]['irq_ent_t'] # check if this hunk should be showed if dev != 0: for i in range(len(irq_list)): if irq_list[i]['name'].find(dev) >= 0: show_hunk = 1 break else: show_hunk = 1 if show_hunk == 0: return print("%d.%06dsec cpu=%d" % (nsecs_secs(base_t), nsecs_nsecs(base_t)/1000, cpu)) for i in range(len(irq_list)): print(PF_IRQ_ENTRY % (diff_msec(base_t, irq_list[i]['irq_ent_t']), irq_list[i]['irq'], irq_list[i]['name'])) print(PF_JOINT) irq_event_list = irq_list[i]['event_list'] for j in range(len(irq_event_list)): irq_event = irq_event_list[j] if irq_event['event'] == 'netif_rx': print(PF_NET_RX % (diff_msec(base_t, irq_event['time']), irq_event['skbaddr'])) print(PF_JOINT) print(PF_SOFT_ENTRY % diff_msec(base_t, hunk['sirq_ent_t'])) print(PF_JOINT) event_list = hunk['event_list'] for i in range(len(event_list)): event = event_list[i] if event['event_name'] == 'napi_poll': print(PF_NAPI_POLL % (diff_msec(base_t, event['event_t']), event['dev'])) if i == len(event_list) - 1: print("") else: print(PF_JOINT) else: print(PF_NET_RECV % (diff_msec(base_t, event['event_t']), event['skbaddr'], event['len'])) if 'comm' in event.keys(): print(PF_WJOINT) print(PF_CPY_DGRAM % (diff_msec(base_t, event['comm_t']), event['pid'], event['comm'])) elif 'handle' in event.keys(): print(PF_WJOINT) if event['handle'] == "kfree_skb": print(PF_KFREE_SKB % (diff_msec(base_t, event['comm_t']), event['location'])) elif event['handle'] == "consume_skb": print(PF_CONS_SKB % diff_msec(base_t, event['comm_t'])) print(PF_JOINT) def trace_begin(): global show_tx global show_rx global dev global debug for i in range(len(sys.argv)): if i == 0: continue arg = sys.argv[i] if arg == 'tx': show_tx = 1 elif arg =='rx': show_rx = 1 elif arg.find('dev=',0, 4) >= 0: dev = arg[4:] elif arg == 'debug': debug = 1 if show_tx == 0 and show_rx == 0: show_tx = 1 show_rx = 1 def trace_end(): # order all events in time all_event_list.sort(key=cmp_to_key(lambda a,b :a[EINFO_IDX_TIME] < b[EINFO_IDX_TIME])) # process all events for i in range(len(all_event_list)): event_info = all_event_list[i] name = event_info[EINFO_IDX_NAME] if name == 'irq__softirq_exit': handle_irq_softirq_exit(event_info) elif name == 'irq__softirq_entry': handle_irq_softirq_entry(event_info) elif name == 'irq__softirq_raise': handle_irq_softirq_raise(event_info) elif name == 'irq__irq_handler_entry': handle_irq_handler_entry(event_info) elif name == 'irq__irq_handler_exit': handle_irq_handler_exit(event_info) elif name == 'napi__napi_poll': handle_napi_poll(event_info) elif name == 'net__netif_receive_skb': handle_netif_receive_skb(event_info) elif name == 'net__netif_rx': handle_netif_rx(event_info) elif name == 'skb__skb_copy_datagram_iovec': handle_skb_copy_datagram_iovec(event_info) elif name == 'net__net_dev_queue': handle_net_dev_queue(event_info) elif name == 'net__net_dev_xmit': handle_net_dev_xmit(event_info) elif name == 'skb__kfree_skb': handle_kfree_skb(event_info) elif name == 'skb__consume_skb': handle_consume_skb(event_info) # display receive hunks if show_rx: for i in range(len(receive_hunk_list)): print_receive(receive_hunk_list[i]) # display transmit hunks if show_tx: print(" dev len Qdisc " " netdevice free") for i in range(len(tx_free_list)): print_transmit(tx_free_list[i]) if debug: print("debug buffer status") print("----------------------------") print("xmit Qdisc:remain:%d overflow:%d" % (len(tx_queue_list), of_count_tx_queue_list)) print("xmit netdevice:remain:%d overflow:%d" % (len(tx_xmit_list), of_count_tx_xmit_list)) print("receive:remain:%d overflow:%d" % (len(rx_skb_list), of_count_rx_skb_list)) # called from perf, when it finds a correspoinding event def irq__softirq_entry(name, context, cpu, sec, nsec, pid, comm, callchain, vec): if symbol_str("irq__softirq_entry", "vec", vec) != "NET_RX": return event_info = (name, context, cpu, nsecs(sec, nsec), pid, comm, vec) all_event_list.append(event_info) def irq__softirq_exit(name, context, cpu, sec, nsec, pid, comm, callchain, vec): if symbol_str("irq__softirq_entry", "vec", vec) != "NET_RX": return event_info = (name, context, cpu, nsecs(sec, nsec), pid, comm, vec) all_event_list.append(event_info) def irq__softirq_raise(name, context, cpu, sec, nsec, pid, comm, callchain, vec): if symbol_str("irq__softirq_entry", "vec", vec) != "NET_RX": return event_info = (name, context, cpu, nsecs(sec, nsec), pid, comm, vec) all_event_list.append(event_info) def irq__irq_handler_entry(name, context, cpu, sec, nsec, pid, comm, callchain, irq, irq_name): event_info = (name, context, cpu, nsecs(sec, nsec), pid, comm, irq, irq_name) all_event_list.append(event_info) def irq__irq_handler_exit(name, context, cpu, sec, nsec, pid, comm, callchain, irq, ret): event_info = (name, context, cpu, nsecs(sec, nsec), pid, comm, irq, ret) all_event_list.append(event_info) def napi__napi_poll(name, context, cpu, sec, nsec, pid, comm, callchain, napi, dev_name, work=None, budget=None): event_info = (name, context, cpu, nsecs(sec, nsec), pid, comm, napi, dev_name, work, budget) all_event_list.append(event_info) def net__netif_receive_skb(name, context, cpu, sec, nsec, pid, comm, callchain, skbaddr, skblen, dev_name): event_info = (name, context, cpu, nsecs(sec, nsec), pid, comm, skbaddr, skblen, dev_name) all_event_list.append(event_info) def net__netif_rx(name, context, cpu, sec, nsec, pid, comm, callchain, skbaddr, skblen, dev_name): event_info = (name, context, cpu, nsecs(sec, nsec), pid, comm, skbaddr, skblen, dev_name) all_event_list.append(event_info) def net__net_dev_queue(name, context, cpu, sec, nsec, pid, comm, callchain, skbaddr, skblen, dev_name): event_info = (name, context, cpu, nsecs(sec, nsec), pid, comm, skbaddr, skblen, dev_name) all_event_list.append(event_info) def net__net_dev_xmit(name, context, cpu, sec, nsec, pid, comm, callchain, skbaddr, skblen, rc, dev_name): event_info = (name, context, cpu, nsecs(sec, nsec), pid, comm, skbaddr, skblen, rc ,dev_name) all_event_list.append(event_info) def skb__kfree_skb(name, context, cpu, sec, nsec, pid, comm, callchain, skbaddr, location, protocol, reason): event_info = (name, context, cpu, nsecs(sec, nsec), pid, comm, skbaddr, location, protocol, reason) all_event_list.append(event_info) def skb__consume_skb(name, context, cpu, sec, nsec, pid, comm, callchain, skbaddr, location): event_info = (name, context, cpu, nsecs(sec, nsec), pid, comm, skbaddr) all_event_list.append(event_info) def skb__skb_copy_datagram_iovec(name, context, cpu, sec, nsec, pid, comm, callchain, skbaddr, skblen): event_info = (name, context, cpu, nsecs(sec, nsec), pid, comm, skbaddr, skblen) all_event_list.append(event_info) def handle_irq_handler_entry(event_info): (name, context, cpu, time, pid, comm, irq, irq_name) = event_info if cpu not in irq_dic.keys(): irq_dic[cpu] = [] irq_record = {'irq':irq, 'name':irq_name, 'cpu':cpu, 'irq_ent_t':time} irq_dic[cpu].append(irq_record) def handle_irq_handler_exit(event_info): (name, context, cpu, time, pid, comm, irq, ret) = event_info if cpu not in irq_dic.keys(): return irq_record = irq_dic[cpu].pop() if irq != irq_record['irq']: return irq_record.update({'irq_ext_t':time}) # if an irq doesn't include NET_RX softirq, drop. if 'event_list' in irq_record.keys(): irq_dic[cpu].append(irq_record) def handle_irq_softirq_raise(event_info): (name, context, cpu, time, pid, comm, vec) = event_info if cpu not in irq_dic.keys() \ or len(irq_dic[cpu]) == 0: return irq_record = irq_dic[cpu].pop() if 'event_list' in irq_record.keys(): irq_event_list = irq_record['event_list'] else: irq_event_list = [] irq_event_list.append({'time':time, 'event':'sirq_raise'}) irq_record.update({'event_list':irq_event_list}) irq_dic[cpu].append(irq_record) def handle_irq_softirq_entry(event_info): (name, context, cpu, time, pid, comm, vec) = event_info net_rx_dic[cpu] = {'sirq_ent_t':time, 'event_list':[]} def handle_irq_softirq_exit(event_info): (name, context, cpu, time, pid, comm, vec) = event_info irq_list = [] event_list = 0 if cpu in irq_dic.keys(): irq_list = irq_dic[cpu] del irq_dic[cpu] if cpu in net_rx_dic.keys(): sirq_ent_t = net_rx_dic[cpu]['sirq_ent_t'] event_list = net_rx_dic[cpu]['event_list'] del net_rx_dic[cpu] if irq_list == [] or event_list == 0: return rec_data = {'sirq_ent_t':sirq_ent_t, 'sirq_ext_t':time, 'irq_list':irq_list, 'event_list':event_list} # merge information related to a NET_RX softirq receive_hunk_list.append(rec_data) def handle_napi_poll(event_info): (name, context, cpu, time, pid, comm, napi, dev_name, work, budget) = event_info if cpu in net_rx_dic.keys(): event_list = net_rx_dic[cpu]['event_list'] rec_data = {'event_name':'napi_poll', 'dev':dev_name, 'event_t':time, 'work':work, 'budget':budget} event_list.append(rec_data) def handle_netif_rx(event_info): (name, context, cpu, time, pid, comm, skbaddr, skblen, dev_name) = event_info if cpu not in irq_dic.keys() \ or len(irq_dic[cpu]) == 0: return irq_record = irq_dic[cpu].pop() if 'event_list' in irq_record.keys(): irq_event_list = irq_record['event_list'] else: irq_event_list = [] irq_event_list.append({'time':time, 'event':'netif_rx', 'skbaddr':skbaddr, 'skblen':skblen, 'dev_name':dev_name}) irq_record.update({'event_list':irq_event_list}) irq_dic[cpu].append(irq_record) def handle_netif_receive_skb(event_info): global of_count_rx_skb_list (name, context, cpu, time, pid, comm, skbaddr, skblen, dev_name) = event_info if cpu in net_rx_dic.keys(): rec_data = {'event_name':'netif_receive_skb', 'event_t':time, 'skbaddr':skbaddr, 'len':skblen} event_list = net_rx_dic[cpu]['event_list'] event_list.append(rec_data) rx_skb_list.insert(0, rec_data) if len(rx_skb_list) > buffer_budget: rx_skb_list.pop() of_count_rx_skb_list += 1 def handle_net_dev_queue(event_info): global of_count_tx_queue_list (name, context, cpu, time, pid, comm, skbaddr, skblen, dev_name) = event_info skb = {'dev':dev_name, 'skbaddr':skbaddr, 'len':skblen, 'queue_t':time} tx_queue_list.insert(0, skb) if len(tx_queue_list) > buffer_budget: tx_queue_list.pop() of_count_tx_queue_list += 1 def handle_net_dev_xmit(event_info): global of_count_tx_xmit_list (name, context, cpu, time, pid, comm, skbaddr, skblen, rc, dev_name) = event_info if rc == 0: # NETDEV_TX_OK for i in range(len(tx_queue_list)): skb = tx_queue_list[i] if skb['skbaddr'] == skbaddr: skb['xmit_t'] = time tx_xmit_list.insert(0, skb) del tx_queue_list[i] if len(tx_xmit_list) > buffer_budget: tx_xmit_list.pop() of_count_tx_xmit_list += 1 return def handle_kfree_skb(event_info): (name, context, cpu, time, pid, comm, skbaddr, location, protocol, reason) = event_info for i in range(len(tx_queue_list)): skb = tx_queue_list[i] if skb['skbaddr'] == skbaddr: del tx_queue_list[i] return for i in range(len(tx_xmit_list)): skb = tx_xmit_list[i] if skb['skbaddr'] == skbaddr: skb['free_t'] = time tx_free_list.append(skb) del tx_xmit_list[i] return for i in range(len(rx_skb_list)): rec_data = rx_skb_list[i] if rec_data['skbaddr'] == skbaddr: rec_data.update({'handle':"kfree_skb", 'comm':comm, 'pid':pid, 'comm_t':time}) del rx_skb_list[i] return def handle_consume_skb(event_info): (name, context, cpu, time, pid, comm, skbaddr) = event_info for i in range(len(tx_xmit_list)): skb = tx_xmit_list[i] if skb['skbaddr'] == skbaddr: skb['free_t'] = time tx_free_list.append(skb) del tx_xmit_list[i] return def handle_skb_copy_datagram_iovec(event_info): (name, context, cpu, time, pid, comm, skbaddr, skblen) = event_info for i in range(len(rx_skb_list)): rec_data = rx_skb_list[i] if skbaddr == rec_data['skbaddr']: rec_data.update({'handle':"skb_copy_datagram_iovec", 'comm':comm, 'pid':pid, 'comm_t':time}) del rx_skb_list[i] return , ["drivers/net/ethernet/broadcom/tg3.c", "tg3_tx_timeout"], ["drivers/net/ethernet/calxeda/xgmac.c", "xgmac_tx_timeout"], ["drivers/net/ethernet/cavium/liquidio/lio_main.c", "liquidio_tx_timeout"], ["drivers/net/ethernet/cavium/liquidio/lio_vf_main.c", "liquidio_tx_timeout"], ["drivers/net/ethernet/cavium/liquidio/lio_vf_rep.c", "lio_vf_rep_tx_timeout"], ["drivers/net/ethernet/cavium/thunder/nicvf_main.c", "nicvf_tx_timeout"], ["drivers/net/ethernet/cirrus/cs89x0.c", "net_timeout"], ["drivers/net/ethernet/cisco/enic/enic_main.c", "enic_tx_timeout"], ["drivers/net/ethernet/cisco/enic/enic_main.c", "enic_tx_timeout"], ["drivers/net/ethernet/cortina/gemini.c", "gmac_tx_timeout"], ["drivers/net/ethernet/davicom/dm9000.c", "dm9000_timeout"], ["drivers/net/ethernet/dec/tulip/de2104x.c", "de_tx_timeout"], ["drivers/net/ethernet/dec/tulip/tulip_core.c", "tulip_tx_timeout"], ["drivers/net/ethernet/dec/tulip/winbond-840.c", "tx_timeout"], ["drivers/net/ethernet/dlink/dl2k.c", "rio_tx_timeout"], ["drivers/net/ethernet/dlink/sundance.c", "tx_timeout"], ["drivers/net/ethernet/emulex/benet/be_main.c", "be_tx_timeout"], ["drivers/net/ethernet/ethoc.c", "ethoc_tx_timeout"], ["drivers/net/ethernet/faraday/ftgmac100.c", "ftgmac100_tx_timeout"], ["drivers/net/ethernet/fealnx.c", "fealnx_tx_timeout"], ["drivers/net/ethernet/freescale/dpaa/dpaa_eth.c", "dpaa_tx_timeout"], ["drivers/net/ethernet/freescale/fec_main.c", "fec_timeout"], ["drivers/net/ethernet/freescale/fec_mpc52xx.c", "mpc52xx_fec_tx_timeout"], ["drivers/net/ethernet/freescale/fs_enet/fs_enet-main.c", "fs_timeout"], ["drivers/net/ethernet/freescale/gianfar.c", "gfar_timeout"], ["drivers/net/ethernet/freescale/ucc_geth.c", "ucc_geth_timeout"], ["drivers/net/ethernet/fujitsu/fmvj18x_cs.c", "fjn_tx_timeout"], ["drivers/net/ethernet/google/gve/gve_main.c", "gve_tx_timeout"], ["drivers/net/ethernet/hisilicon/hip04_eth.c", "hip04_timeout"], ["drivers/net/ethernet/hisilicon/hix5hd2_gmac.c", "hix5hd2_net_timeout"], ["drivers/net/ethernet/hisilicon/hns/hns_enet.c", "hns_nic_net_timeout"], ["drivers/net/ethernet/hisilicon/hns3/hns3_enet.c", "hns3_nic_net_timeout"], ["drivers/net/ethernet/huawei/hinic/hinic_main.c", "hinic_tx_timeout"], ["drivers/net/ethernet/i825xx/82596.c", "i596_tx_timeout"], ["drivers/net/ethernet/i825xx/ether1.c", "ether1_timeout"], ["drivers/net/ethernet/i825xx/lib82596.c", "i596_tx_timeout"], ["drivers/net/ethernet/i825xx/sun3_82586.c", "sun3_82586_timeout"], ["drivers/net/ethernet/ibm/ehea/ehea_main.c", "ehea_tx_watchdog"], ["drivers/net/ethernet/ibm/emac/core.c", "emac_tx_timeout"], ["drivers/net/ethernet/ibm/emac/core.c", "emac_tx_timeout"], ["drivers/net/ethernet/ibm/ibmvnic.c", "ibmvnic_tx_timeout"], ["drivers/net/ethernet/intel/e100.c", "e100_tx_timeout"], ["drivers/net/ethernet/intel/e1000/e1000_main.c", "e1000_tx_timeout"], ["drivers/net/ethernet/intel/e1000e/netdev.c", "e1000_tx_timeout"], ["drivers/net/ethernet/intel/fm10k/fm10k_netdev.c", "fm10k_tx_timeout"], ["drivers/net/ethernet/intel/i40e/i40e_main.c", "i40e_tx_timeout"], ["drivers/net/ethernet/intel/iavf/iavf_main.c", "iavf_tx_timeout"], ["drivers/net/ethernet/intel/ice/ice_main.c", "ice_tx_timeout"], ["drivers/net/ethernet/intel/ice/ice_main.c", "ice_tx_timeout"], ["drivers/net/ethernet/intel/igb/igb_main.c", "igb_tx_timeout"], ["drivers/net/ethernet/intel/igbvf/netdev.c", "igbvf_tx_timeout"], ["drivers/net/ethernet/intel/ixgb/ixgb_main.c", "ixgb_tx_timeout"], ["drivers/net/ethernet/intel/ixgbe/ixgbe_debugfs.c", "adapter->netdev->netdev_ops->ndo_tx_timeout(adapter->netdev);"], ["drivers/net/ethernet/intel/ixgbe/ixgbe_main.c", "ixgbe_tx_timeout"], ["drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c", "ixgbevf_tx_timeout"], ["drivers/net/ethernet/jme.c", "jme_tx_timeout"], ["drivers/net/ethernet/korina.c", "korina_tx_timeout"], ["drivers/net/ethernet/lantiq_etop.c", "ltq_etop_tx_timeout"], ["drivers/net/ethernet/marvell/mv643xx_eth.c", "mv643xx_eth_tx_timeout"], ["drivers/net/ethernet/marvell/pxa168_eth.c", "pxa168_eth_tx_timeout"], ["drivers/net/ethernet/marvell/skge.c", "skge_tx_timeout"], ["drivers/net/ethernet/marvell/sky2.c", "sky2_tx_timeout"], ["drivers/net/ethernet/marvell/sky2.c", "sky2_tx_timeout"], ["drivers/net/ethernet/mediatek/mtk_eth_soc.c", "mtk_tx_timeout"], ["drivers/net/ethernet/mellanox/mlx4/en_netdev.c", "mlx4_en_tx_timeout"], ["drivers/net/ethernet/mellanox/mlx4/en_netdev.c", "mlx4_en_tx_timeout"], ["drivers/net/ethernet/mellanox/mlx5/core/en_main.c", "mlx5e_tx_timeout"], ["drivers/net/ethernet/micrel/ks8842.c", "ks8842_tx_timeout"], ["drivers/net/ethernet/micrel/ksz884x.c", "netdev_tx_timeout"], ["drivers/net/ethernet/microchip/enc28j60.c", "enc28j60_tx_timeout"], ["drivers/net/ethernet/microchip/encx24j600.c", "encx24j600_tx_timeout"], ["drivers/net/ethernet/natsemi/sonic.h", "sonic_tx_timeout"], ["drivers/net/ethernet/natsemi/sonic.c", "sonic_tx_timeout"], ["drivers/net/ethernet/natsemi/jazzsonic.c", "sonic_tx_timeout"], ["drivers/net/ethernet/natsemi/macsonic.c", "sonic_tx_timeout"], ["drivers/net/ethernet/natsemi/natsemi.c", "ns_tx_timeout"], ["drivers/net/ethernet/natsemi/ns83820.c", "ns83820_tx_timeout"], ["drivers/net/ethernet/natsemi/xtsonic.c", "sonic_tx_timeout"], ["drivers/net/ethernet/neterion/s2io.h", "s2io_tx_watchdog"], ["drivers/net/ethernet/neterion/s2io.c", "s2io_tx_watchdog"], ["drivers/net/ethernet/neterion/vxge/vxge-main.c", "vxge_tx_watchdog"], ["drivers/net/ethernet/netronome/nfp/nfp_net_common.c", "nfp_net_tx_timeout"], ["drivers/net/ethernet/nvidia/forcedeth.c", "nv_tx_timeout"], ["drivers/net/ethernet/nvidia/forcedeth.c", "nv_tx_timeout"], ["drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c", "pch_gbe_tx_timeout"], ["drivers/net/ethernet/packetengines/hamachi.c", "hamachi_tx_timeout"], ["drivers/net/ethernet/packetengines/yellowfin.c", "yellowfin_tx_timeout"], ["drivers/net/ethernet/pensando/ionic/ionic_lif.c", "ionic_tx_timeout"], ["drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c", "netxen_tx_timeout"], ["drivers/net/ethernet/qlogic/qla3xxx.c", "ql3xxx_tx_timeout"], ["drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c", "qlcnic_tx_timeout"], ["drivers/net/ethernet/qualcomm/emac/emac.c", "emac_tx_timeout"], ["drivers/net/ethernet/qualcomm/qca_spi.c", "qcaspi_netdev_tx_timeout"], ["drivers/net/ethernet/qualcomm/qca_uart.c", "qcauart_netdev_tx_timeout"], ["drivers/net/ethernet/rdc/r6040.c", "r6040_tx_timeout"], ["drivers/net/ethernet/realtek/8139cp.c", "cp_tx_timeout"], ["drivers/net/ethernet/realtek/8139too.c", "rtl8139_tx_timeout"], ["drivers/net/ethernet/realtek/atp.c", "tx_timeout"], ["drivers/net/ethernet/realtek/r8169_main.c", "rtl8169_tx_timeout"], ["drivers/net/ethernet/renesas/ravb_main.c", "ravb_tx_timeout"], ["drivers/net/ethernet/renesas/sh_eth.c", "sh_eth_tx_timeout"], ["drivers/net/ethernet/renesas/sh_eth.c", "sh_eth_tx_timeout"], ["drivers/net/ethernet/samsung/sxgbe/sxgbe_main.c", "sxgbe_tx_timeout"], ["drivers/net/ethernet/seeq/ether3.c", "ether3_timeout"], ["drivers/net/ethernet/seeq/sgiseeq.c", "timeout"], ["drivers/net/ethernet/sfc/efx.c", "efx_watchdog"], ["drivers/net/ethernet/sfc/falcon/efx.c", "ef4_watchdog"], ["drivers/net/ethernet/sgi/ioc3-eth.c", "ioc3_timeout"], ["drivers/net/ethernet/sgi/meth.c", "meth_tx_timeout"], ["drivers/net/ethernet/silan/sc92031.c", "sc92031_tx_timeout"], ["drivers/net/ethernet/sis/sis190.c", "sis190_tx_timeout"], ["drivers/net/ethernet/sis/sis900.c", "sis900_tx_timeout"], ["drivers/net/ethernet/smsc/epic100.c", "epic_tx_timeout"], ["drivers/net/ethernet/smsc/smc911x.c", "smc911x_timeout"], ["drivers/net/ethernet/smsc/smc9194.c", "smc_timeout"], ["drivers/net/ethernet/smsc/smc91c92_cs.c", "smc_tx_timeout"], ["drivers/net/ethernet/smsc/smc91x.c", "smc_timeout"], ["drivers/net/ethernet/stmicro/stmmac/stmmac_main.c", "stmmac_tx_timeout"], ["drivers/net/ethernet/sun/cassini.c", "cas_tx_timeout"], ["drivers/net/ethernet/sun/ldmvsw.c", "sunvnet_tx_timeout_common"], ["drivers/net/ethernet/sun/niu.c", "niu_tx_timeout"], ["drivers/net/ethernet/sun/sunbmac.c", "bigmac_tx_timeout"], ["drivers/net/ethernet/sun/sungem.c", "gem_tx_timeout"], ["drivers/net/ethernet/sun/sunhme.c", "happy_meal_tx_timeout"], ["drivers/net/ethernet/sun/sunqe.c", "qe_tx_timeout"], ["drivers/net/ethernet/sun/sunvnet.c", "sunvnet_tx_timeout_common"], ["drivers/net/ethernet/sun/sunvnet_common.c", "sunvnet_tx_timeout_common"], ["drivers/net/ethernet/sun/sunvnet_common.h", "sunvnet_tx_timeout_common"], ["drivers/net/ethernet/synopsys/dwc-xlgmac-net.c", "xlgmac_tx_timeout"], ["drivers/net/ethernet/ti/cpmac.c", "cpmac_tx_timeout"], ["drivers/net/ethernet/ti/cpsw.c", "cpsw_ndo_tx_timeout"], ["drivers/net/ethernet/ti/cpsw_priv.c", "cpsw_ndo_tx_timeout"], ["drivers/net/ethernet/ti/cpsw_priv.h", "cpsw_ndo_tx_timeout"], ["drivers/net/ethernet/ti/davinci_emac.c", "emac_dev_tx_timeout"], ["drivers/net/ethernet/ti/netcp_core.c", "netcp_ndo_tx_timeout"], ["drivers/net/ethernet/ti/tlan.c", "tlan_tx_timeout"], ["drivers/net/ethernet/toshiba/ps3_gelic_net.h", "gelic_net_tx_timeout"], ["drivers/net/ethernet/toshiba/ps3_gelic_net.c", "gelic_net_tx_timeout"], ["drivers/net/ethernet/toshiba/ps3_gelic_wireless.c", "gelic_net_tx_timeout"], ["drivers/net/ethernet/toshiba/spider_net.c", "spider_net_tx_timeout"], ["drivers/net/ethernet/toshiba/tc35815.c", "tc35815_tx_timeout"], ["drivers/net/ethernet/via/via-rhine.c", "rhine_tx_timeout"], ["drivers/net/ethernet/wiznet/w5100.c", "w5100_tx_timeout"], ["drivers/net/ethernet/wiznet/w5300.c", "w5300_tx_timeout"], ["drivers/net/ethernet/xilinx/xilinx_emaclite.c", "xemaclite_tx_timeout"], ["drivers/net/ethernet/xircom/xirc2ps_cs.c", "xirc_tx_timeout"], ["drivers/net/fjes/fjes_main.c", "fjes_tx_retry"], ["drivers/net/slip/slip.c", "sl_tx_timeout"], ["include/linux/usb/usbnet.h", "usbnet_tx_timeout"], ["drivers/net/usb/aqc111.c", "usbnet_tx_timeout"], ["drivers/net/usb/asix_devices.c", "usbnet_tx_timeout"], ["drivers/net/usb/asix_devices.c", "usbnet_tx_timeout"], ["drivers/net/usb/asix_devices.c", "usbnet_tx_timeout"], ["drivers/net/usb/ax88172a.c", "usbnet_tx_timeout"], ["drivers/net/usb/ax88179_178a.c", "usbnet_tx_timeout"], ["drivers/net/usb/catc.c", "catc_tx_timeout"], ["drivers/net/usb/cdc_mbim.c", "usbnet_tx_timeout"], ["drivers/net/usb/cdc_ncm.c", "usbnet_tx_timeout"], ["drivers/net/usb/dm9601.c", "usbnet_tx_timeout"], ["drivers/net/usb/hso.c", "hso_net_tx_timeout"], ["drivers/net/usb/int51x1.c", "usbnet_tx_timeout"], ["drivers/net/usb/ipheth.c", "ipheth_tx_timeout"], ["drivers/net/usb/kaweth.c", "kaweth_tx_timeout"], ["drivers/net/usb/lan78xx.c", "lan78xx_tx_timeout"], ["drivers/net/usb/mcs7830.c", "usbnet_tx_timeout"], ["drivers/net/usb/pegasus.c", "pegasus_tx_timeout"], ["drivers/net/usb/qmi_wwan.c", "usbnet_tx_timeout"], ["drivers/net/usb/r8152.c", "rtl8152_tx_timeout"], ["drivers/net/usb/rndis_host.c", "usbnet_tx_timeout"], ["drivers/net/usb/rtl8150.c", "rtl8150_tx_timeout"], ["drivers/net/usb/sierra_net.c", "usbnet_tx_timeout"], ["drivers/net/usb/smsc75xx.c", "usbnet_tx_timeout"], ["drivers/net/usb/smsc95xx.c", "usbnet_tx_timeout"], ["drivers/net/usb/sr9700.c", "usbnet_tx_timeout"], ["drivers/net/usb/sr9800.c", "usbnet_tx_timeout"], ["drivers/net/usb/usbnet.c", "usbnet_tx_timeout"], ["drivers/net/vmxnet3/vmxnet3_drv.c", "vmxnet3_tx_timeout"], ["drivers/net/wan/cosa.c", "cosa_net_timeout"], ["drivers/net/wan/farsync.c", "fst_tx_timeout"], ["drivers/net/wan/fsl_ucc_hdlc.c", "uhdlc_tx_timeout"], ["drivers/net/wan/lmc/lmc_main.c", "lmc_driver_timeout"], ["drivers/net/wan/x25_asy.c", "x25_asy_timeout"], ["drivers/net/wimax/i2400m/netdev.c", "i2400m_tx_timeout"], ["drivers/net/wireless/intel/ipw2x00/ipw2100.c", "ipw2100_tx_timeout"], ["drivers/net/wireless/intersil/hostap/hostap_main.c", "prism2_tx_timeout"], ["drivers/net/wireless/intersil/hostap/hostap_main.c", "prism2_tx_timeout"], ["drivers/net/wireless/intersil/hostap/hostap_main.c", "prism2_tx_timeout"], ["drivers/net/wireless/intersil/orinoco/main.c", "orinoco_tx_timeout"], ["drivers/net/wireless/intersil/orinoco/orinoco_usb.c", "orinoco_tx_timeout"], ["drivers/net/wireless/intersil/orinoco/orinoco.h", "orinoco_tx_timeout"], ["drivers/net/wireless/intersil/prism54/islpci_dev.c", "islpci_eth_tx_timeout"], ["drivers/net/wireless/intersil/prism54/islpci_eth.c", "islpci_eth_tx_timeout"], ["drivers/net/wireless/intersil/prism54/islpci_eth.h", "islpci_eth_tx_timeout"], ["drivers/net/wireless/marvell/mwifiex/main.c", "mwifiex_tx_timeout"], ["drivers/net/wireless/quantenna/qtnfmac/core.c", "qtnf_netdev_tx_timeout"], ["drivers/net/wireless/quantenna/qtnfmac/core.h", "qtnf_netdev_tx_timeout"], ["drivers/net/wireless/rndis_wlan.c", "usbnet_tx_timeout"], ["drivers/net/wireless/wl3501_cs.c", "wl3501_tx_timeout"], ["drivers/net/wireless/zydas/zd1201.c", "zd1201_tx_timeout"], ["drivers/s390/net/qeth_core.h", "qeth_tx_timeout"], ["drivers/s390/net/qeth_core_main.c", "qeth_tx_timeout"], ["drivers/s390/net/qeth_l2_main.c", "qeth_tx_timeout"], ["drivers/s390/net/qeth_l2_main.c", "qeth_tx_timeout"], ["drivers/s390/net/qeth_l3_main.c", "qeth_tx_timeout"], ["drivers/s390/net/qeth_l3_main.c", "qeth_tx_timeout"], ["drivers/staging/ks7010/ks_wlan_net.c", "ks_wlan_tx_timeout"], ["drivers/staging/qlge/qlge_main.c", "qlge_tx_timeout"], ["drivers/staging/rtl8192e/rtl8192e/rtl_core.c", "_rtl92e_tx_timeout"], ["drivers/staging/rtl8192u/r8192U_core.c", "tx_timeout"], ["drivers/staging/unisys/visornic/visornic_main.c", "visornic_xmit_timeout"], ["drivers/staging/wlan-ng/p80211netdev.c", "p80211knetdev_tx_timeout"], ["drivers/tty/n_gsm.c", "gsm_mux_net_tx_timeout"], ["drivers/tty/synclink.c", "hdlcdev_tx_timeout"], ["drivers/tty/synclink_gt.c", "hdlcdev_tx_timeout"], ["drivers/tty/synclinkmp.c", "hdlcdev_tx_timeout"], ["net/atm/lec.c", "lec_tx_timeout"], ["net/bluetooth/bnep/netdev.c", "bnep_net_timeout"] ); for my $p (@work) { my @pair = @$p; my $file = $pair[0]; my $func = $pair[1]; print STDERR $file , ": ", $func,"\n"; our @ARGV = ($file); while (<ARGV>) { if (m/($func\s*\(struct\s+net_device\s+\*[A-Za-z_]?[A-Za-z-0-9_]*)(\))/) { print STDERR "found $1+$2 in $file\n"; } if (s/($func\s*\(struct\s+net_device\s+\*[A-Za-z_]?[A-Za-z-0-9_]*)(\))/$1, unsigned int txqueue$2/) { print STDERR "$func found in $file\n"; } print; } } where the list of files and functions is simply from: git grep ndo_tx_timeout, with manual addition of headers in the rare cases where the function is from a header, then manually changing the few places which actually call ndo_tx_timeout. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Acked-by: Heiner Kallweit <hkallweit1@gmail.com> Acked-by: Jakub Kicinski <jakub.kicinski@netronome.com> Acked-by: Shannon Nelson <snelson@pensando.io> Reviewed-by: Martin Habets <mhabets@solarflare.com> changes from v9: fixup a forward declaration changes from v9: more leftovers from v3 change changes from v8: fix up a missing direct call to timeout rebased on net-next changes from v7: fixup leftovers from v3 change changes from v6: fix typo in rtl driver changes from v5: add missing files (allow any net device argument name) changes from v4: add a missing driver header changes from v3: change queue # to unsigned Changes from v2: added headers Changes from v1: Fix errors found by kbuild: generalize the pattern a bit, to pick up a couple of instances missed by the previous version. Signed-off-by: David S. Miller <davem@davemloft.net> 2019-03-088139too : Add support for U.S. Robotics USR997901A 10/100 Cardbus NICMatthew Whitehead Add PCI vendor and device identifier for U.S. Robotics USR997901A 10/100 Cardbus NIC. Tested on real hardware. Signed-off-by: Matthew Whitehead <tedheadster@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net> 2018-11-27ethernet/realtek: Replace synchronize_sched() with synchronize_rcu()Paul E. McKenney Now that synchronize_rcu() waits for preempt-disable regions of code as well as RCU read-side critical sections, synchronize_sched() can be replaced by synchronize_rcu(). This commit therefore makes this change. Signed-off-by: Paul E. McKenney <paulmck@linux.ibm.com> Cc: Realtek linux nic maintainers <nic_swsd@realtek.com> Cc: "David S. Miller" <davem@davemloft.net> Cc: <netdev@vger.kernel.org> 2018-05-258139too: Remove unnecessary netif_napi_del()Bo Chen The call to free_netdev() in __rtl8139_cleanup_dev() clears the network device napi list, and explicit calls to netif_napi_del() are unnecessary. Signed-off-by: Bo Chen <chenbo@pdx.edu> Signed-off-by: David S. Miller <davem@davemloft.net> 2018-05-028139too: Use disable_irq_nosync() in rtl8139_poll_controller()Ingo Molnar Use disable_irq_nosync() instead of disable_irq() as this might be called in atomic context with netpoll. Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Signed-off-by: David S. Miller <davem@davemloft.net>