diff options
| author | Tuong Lien <tuong.t.lien@dektech.com.au> | 2018-12-19 05:18:00 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2018-12-19 22:49:25 +0300 |
| commit | cf5f55f7f01397015dfa390256f2c20ceaabfcfb (patch) | |
| tree | 46b7f1e2d168b66b0cdce0f36659f1a6d7abbe84 /net/tipc | |
| parent | eb18a510b5cd4daeb9736ad8db57a9fc49db185b (diff) | |
| download | linux-cf5f55f7f01397015dfa390256f2c20ceaabfcfb.tar.xz | |
tipc: add trace_events for tipc bearer
The commit adds the new trace_event for TIPC bearer, L2 device event:
trace_tipc_l2_device_event()
Also, it puts the trace at the tipc_l2_device_event() function, then
the device/bearer events and related info can be traced out during
runtime when needed.
Acked-by: Ying Xue <ying.xue@windriver.com>
Tested-by: Ying Xue <ying.xue@windriver.com>
Acked-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: Tuong Lien <tuong.t.lien@dektech.com.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/tipc')
| -rw-r--r-- | net/tipc/bearer.c | 2 | ||||
| -rw-r--r-- | net/tipc/trace.h | 43 |
2 files changed, 45 insertions, 0 deletions
diff --git a/net/tipc/bearer.c b/net/tipc/bearer.c index e32294f37c29..fb2c0d8f359f 100644 --- a/net/tipc/bearer.c +++ b/net/tipc/bearer.c @@ -43,6 +43,7 @@ #include "bcast.h" #include "netlink.h" #include "udp_media.h" +#include "trace.h" #define MAX_ADDR_STR 60 @@ -608,6 +609,7 @@ static int tipc_l2_device_event(struct notifier_block *nb, unsigned long evt, if (!b) return NOTIFY_DONE; + trace_tipc_l2_device_event(dev, b, evt); switch (evt) { case NETDEV_CHANGE: if (netif_carrier_ok(dev) && netif_oper_up(dev)) { diff --git a/net/tipc/trace.h b/net/tipc/trace.h index 4d05141866aa..4d8e00483afc 100644 --- a/net/tipc/trace.h +++ b/net/tipc/trace.h @@ -113,6 +113,17 @@ enum { {(0xcbe), "SYNCH_BEGIN_EVT" },\ {(0xcee), "SYNCH_END_EVT" }) +/* Bearer, net device events: */ +#define dev_evt_sym(val) \ + __print_symbolic(val, \ + {(NETDEV_CHANGE), "NETDEV_CHANGE" },\ + {(NETDEV_GOING_DOWN), "NETDEV_GOING_DOWN" },\ + {(NETDEV_UP), "NETDEV_UP" },\ + {(NETDEV_CHANGEMTU), "NETDEV_CHANGEMTU" },\ + {(NETDEV_CHANGEADDR), "NETDEV_CHANGEADDR" },\ + {(NETDEV_UNREGISTER), "NETDEV_UNREGISTER" },\ + {(NETDEV_CHANGENAME), "NETDEV_CHANGENAME" }) + extern unsigned long sysctl_tipc_sk_filter[5] __read_mostly; int tipc_skb_dump(struct sk_buff *skb, bool more, char *buf); @@ -378,6 +389,38 @@ DEFINE_EVENT(tipc_fsm_class, fsm_name, \ DEFINE_FSM_EVENT(tipc_link_fsm); DEFINE_FSM_EVENT(tipc_node_fsm); +TRACE_EVENT(tipc_l2_device_event, + + TP_PROTO(struct net_device *dev, struct tipc_bearer *b, + unsigned long evt), + + TP_ARGS(dev, b, evt), + + TP_STRUCT__entry( + __string(dev_name, dev->name) + __string(b_name, b->name) + __field(unsigned long, evt) + __field(u8, b_up) + __field(u8, carrier) + __field(u8, oper) + ), + + TP_fast_assign( + __assign_str(dev_name, dev->name); + __assign_str(b_name, b->name); + __entry->evt = evt; + __entry->b_up = test_bit(0, &b->up); + __entry->carrier = netif_carrier_ok(dev); + __entry->oper = netif_oper_up(dev); + ), + + TP_printk("%s on: <%s>/<%s> oper: %s carrier: %s bearer: %s\n", + dev_evt_sym(__entry->evt), __get_str(dev_name), + __get_str(b_name), (__entry->oper) ? "up" : "down", + (__entry->carrier) ? "ok" : "notok", + (__entry->b_up) ? "up" : "down") +); + #endif /* _TIPC_TRACE_H */ /* This part must be outside protection */ |