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736f16de75f9bb32d76f652cb66f04d1bc685057
linux/include/trace/events
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Dongli Zhang 736f16de75 net: tap: track dropped skb via kfree_skb_reason() 
The TAP can be used as vhost-net backend. E.g., the tap_handle_frame() is
the interface to forward the skb from TAP to vhost-net/virtio-net.

However, there are many "goto drop" in the TAP driver. Therefore, the
kfree_skb_reason() is involved at each "goto drop" to help userspace
ftrace/ebpf to track the reason for the loss of packets.

The below reasons are introduced:

- SKB_DROP_REASON_SKB_CSUM
- SKB_DROP_REASON_SKB_GSO_SEG
- SKB_DROP_REASON_SKB_UCOPY_FAULT
- SKB_DROP_REASON_DEV_HDR
- SKB_DROP_REASON_FULL_RING

Cc: Joao Martins <joao.m.martins@oracle.com>
Cc: Joe Jin <joe.jin@oracle.com>
Signed-off-by: Dongli Zhang <dongli.zhang@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2022-03-06 11:04:01 +00:00
..
9p.h
…
afs.h
netfs, 9p, afs, ceph: Use folios
2021-11-10 21:16:56 +00:00
alarmtimer.h
…
asoc.h
ASoC: soc-core: tidyup jack.h
2020-11-30 12:54:01 +00:00
avc.h
selinux: add basic filtering for audit trace events
2020-08-21 17:07:29 -04:00
bcache.h
block: remove superfluous param in blk_fill_rwbs()
2021-02-22 06:37:41 -07:00
block.h
block: remove the ->rq_disk field in struct request
2021-11-29 06:41:29 -07:00
bpf_test_run.h
…
bridge.h
net: bridge: fdb: br_fdb_update can take flags directly
2019-11-01 10:32:43 -07:00
btrfs.h
btrfs: pass fs_info to trace_btrfs_transaction_commit
2022-01-03 15:09:47 +01:00
cachefiles.h
cachefiles: Trace active-mark failure
2022-01-21 21:36:28 +00:00
cgroup.h
cgroup: Trace event cgroup id fields should be u64
2021-12-01 07:23:35 -10:00
clk.h
clk: Trace clk_set_rate() "range" functions
2020-12-17 01:54:31 -08:00
cma.h
mm, tracing: unify PFN format strings
2021-06-29 10:53:52 -07:00
compaction.h
mm: compaction: fix the migration stats in trace_mm_compaction_migratepages()
2022-01-15 16:30:30 +02:00
context_tracking.h
…
cpuhp.h
…
damon.h
mm/damon: hide kernel pointer from tracepoint event
2022-01-15 16:30:33 +02:00
devfreq.h
PM / devfreq: Add tracepoint for frequency changes
2020-10-26 10:52:37 +09:00
devlink.h
devlink: Reduce struct devlink exposure
2021-10-12 16:29:16 -07:00
dlm.h
fs: dlm: trace socket handling
2021-11-02 14:39:20 -05:00
dma_fence.h
treewide: Add missing semicolons to __assign_str uses
2021-06-30 09:19:14 -04:00
erofs.h
erofs: clean up erofs_map_blocks tracepoints
2021-12-09 10:02:10 +08:00
error_report.h
panic: use error_report_end tracepoint on warnings
2022-01-20 08:52:55 +02:00
ext4.h
ext4: implement support for get/set fs label
2022-01-10 13:25:55 -05:00
f2fs.h
f2fs: show more DIO information in tracepoint
2021-12-10 15:48:31 -08:00
fib6.h
…
fib.h
…
filelock.h
locks: Remove extra "0x" in tracepoint format specifier
2020-09-01 18:09:34 -04:00
filemap.h
filemap: Convert tracing of page cache operations to folio
2022-01-04 13:15:33 -05:00
fs_dax.h
…
fs.h
NFS: Move generic FS show macros to global header
2021-11-02 12:31:23 -04:00
fscache.h
fscache: Add a tracepoint for cookie use/unuse
2022-01-11 22:13:01 +00:00
fsi_master_aspeed.h
fsi: aspeed: Add trace points
2019-11-08 11:28:20 +01:00
fsi_master_ast_cf.h
…
fsi_master_gpio.h
…
fsi.h
trace: fsi: Print transfer size unsigned
2019-11-08 11:23:37 +01:00
gpio.h
…
gpu_mem.h
gpu/trace: Minor comment updates for gpu_mem_total tracepoint
2020-05-07 13:32:57 -04:00
host1x.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 1
2019-05-21 11:28:39 +02:00
huge_memory.h
khugepaged: introduce 'max_ptes_shared' tunable
2020-06-03 20:09:46 -07:00
hwmon.h
…
i2c.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 36
2019-05-24 17:27:11 +02:00
ib_mad.h
…
ib_umad.h
…
initcall.h
…
intel_iommu.h
iommu/vt-d: Add prq_report trace event
2021-06-10 09:06:13 +02:00
intel_ish.h
…
intel-sst.h
…
io_uring.h
io_uring: dump sqe contents if issue fails
2021-10-19 05:49:52 -06:00
iocost.h
blk-iocost: Add iocg idle state tracepoint
2020-12-17 07:55:44 -07:00
iommu.h
iommu: Log iova range in map/unmap trace events
2021-12-06 11:59:31 +01:00
ipi.h
…
irq_matrix.h
…
irq.h
…
iscsi.h
…
jbd2.h
jbd2,ext4: add a shrinker to release checkpointed buffers
2021-06-24 10:54:49 -04:00
kmem.h
mm, tracing: unify PFN format strings
2021-06-29 10:53:52 -07:00
kvm.h
KVM: x86/mmu: Drop trace_kvm_age_page() tracepoint
2021-04-17 08:30:56 -04:00
kyber.h
kyber: avoid q->disk dereferences in trace points
2021-10-15 21:02:57 -06:00
libata.h
ata: libata: add tracepoints for ATA error handling
2022-01-05 19:33:01 +09:00
lock.h
…
mce.h
…
mctp.h
mctp: Add SIOCMCTP{ALLOC,DROP}TAG ioctls for tag control
2022-02-09 12:00:11 +00:00
mdio.h
…
migrate.h
mm/migrate: demote pages during reclaim
2021-09-03 09:58:16 -07:00
mlxsw.h
…
mmap_lock.h
mm: mmap_lock: use DECLARE_EVENT_CLASS and DEFINE_EVENT_FN
2021-11-06 13:30:36 -07:00
mmap.h
mm: mmap: add trace point of vm_unmapped_area
2020-04-02 09:35:30 -07:00
mmc.h
…
mmflags.h
Merge branch 'akpm' (patches from Andrew)
2021-09-08 12:55:35 -07:00
module.h
…
mptcp.h
mptcp: dump csum fields in mptcp_dump_mpext
2021-06-18 11:40:11 -07:00
napi.h
tracing: Fix header include guards in trace event headers
2019-07-30 21:49:06 -04:00
nbd.h
…
neigh.h
neighbor: Add tracepoint to __neigh_create
2019-05-22 17:50:24 -07:00
net_probe_common.h
…
net.h
net: dev: Makes sure netif_rx() can be invoked in any context.
2022-02-14 13:38:35 +00:00
netfs.h
netfs: Display the netfs inode number in the netfs_read tracepoint
2022-01-07 09:22:19 +00:00
netlink.h
netlink: add tracepoint at NL_SET_ERR_MSG
2021-02-04 18:05:59 -08:00
nfs.h
NFS: Move NFS protocol display macros to global header
2021-11-02 12:31:23 -04:00
nilfs2.h
…
nmi.h
…
objagg.h
…
oom.h
…
osnoise.h
tracing: Fix spelling in osnoise tracer "interferences" -> "interference"
2021-06-28 14:12:27 -04:00
page_isolation.h
…
page_pool.h
mm, tracing: unify PFN format strings
2021-06-29 10:53:52 -07:00
page_ref.h
mm: introduce PAGEFLAGS_MASK to replace ((1UL << NR_PAGEFLAGS) - 1)
2021-09-08 11:50:24 -07:00
pagemap.h
mm/lru: Convert __pagevec_lru_add_fn to take a folio
2021-10-18 07:49:40 -04:00
percpu.h
…
power_cpu_migrate.h
…
power.h
PM: QoS: Simplify definitions of CPU latency QoS trace events
2020-02-13 11:26:39 +01:00
preemptirq.h
tracing: Change offset type to s32 in preempt/irq tracepoints
2020-01-03 11:34:37 -05:00
printk.h
…
pwc.h
…
pwm.h
pwm: Implement tracing for .get_state() and .apply_state()
2020-01-20 12:28:37 +01:00
qdisc.h
qdisc: add new field for qdisc_enqueue tracepoint
2021-07-27 14:16:38 +01:00
qla.h
scsi: qla2xxx: Suppress two recently introduced compiler warnings
2020-05-19 21:43:01 -04:00
qrtr.h
net: qrtr: Add tracepoint support
2020-04-22 12:55:54 -07:00
random.h
random: rather than entropy_store abstraction, use global
2022-01-18 13:03:56 +01:00
rcu.h
rcu/nocb: Unify timers
2021-05-12 12:10:23 -07:00
rdma_core.h
RDMA/core: Add trace points to follow MR allocation
2020-01-07 16:10:53 -04:00
rdma.h
RDMA/core: Move the rdma_show_ib_cm_event() macro
2020-08-24 16:01:47 -03:00
regulator.h
regulator: core: Add regulator bypass trace points
2020-05-29 17:17:02 +01:00
rpcgss.h
sunrpc: fix header include guard in trace header
2021-11-17 18:27:32 -05:00
rpcrdma.h
Merge tag 'nfsd-5.16' of git://linux-nfs.org/~bfields/linux
2021-11-10 16:45:54 -08:00
rpm.h
PM-runtime: add tracepoints for usage_count changes
2020-01-13 12:28:29 +01:00
rseq.h
…
rtc.h
…
rxrpc.h
rxrpc: Fix a missing NULL-pointer check in a trace
2020-09-14 16:18:59 +01:00
sched.h
sched/tracing: Remove the redundant 'success' in the sched tracepoint
2021-06-10 11:16:20 -04:00
scmi.h
firmware: arm_scmi: Use signed integer to report transfer status
2020-06-30 14:07:08 +01:00
scsi.h
scsi: core: Kill message byte
2021-05-31 22:48:24 -04:00
sctp.h
sctp: move trace_sctp_probe_path into sctp_outq_sack
2019-12-26 13:06:45 -08:00
signal.h
…
siox.h
…
skb.h
net: tap: track dropped skb via kfree_skb_reason()
2022-03-06 11:04:01 +00:00
smbus.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 36
2019-05-24 17:27:11 +02:00
sock.h
net: sock: add trace for socket errors
2021-06-29 11:28:21 -07:00
spi.h
spi: Enable tracing of the SPI setup CS selection
2021-05-26 21:22:13 +01:00
spmi.h
…
sunrpc_base.h
SUNRPC: Tracepoints should display tk_pid and cl_clid as a fixed-size field
2021-10-20 18:09:54 -04:00
sunrpc.h
Merge tag 'nfs-for-5.17-1' of git://git.linux-nfs.org/projects/anna/linux-nfs
2022-01-25 20:16:03 +02:00
sunvnet.h
…
swiotlb.h
…
syscalls.h
…
target.h
scsi: target: core: Add CONTROL field for trace events
2020-10-02 18:36:19 -04:00
task.h
…
tcp.h
tcp: add tracepoint for checksum errors
2021-05-14 15:26:03 -07:00
tegra_apb_dma.h
tracing: Fix header include guards in trace event headers
2019-07-30 21:49:06 -04:00
thermal_power_allocator.h
…
thermal.h
thermal: devfreq_cooling: change tracing function and arguments
2020-12-11 14:10:44 +01:00
thp.h
mm/thp: drop unused trace events hugepage_[invalidate|splitting]
2022-01-15 16:30:31 +02:00
timer.h
tracing: Fix various typos in comments
2021-03-23 14:08:18 -04:00
tlb.h
…
udp.h
…
ufs.h
scsi: ufs: core: Enable power management for wlun
2021-05-10 22:28:20 -04:00
v4l2.h
media: v4l2: abstract timeval handling in v4l2_buffer
2020-01-03 15:43:35 +01:00
vb2.h
…
vmscan.h
mm: vmscan: Reduce throttling due to a failure to make progress
2021-12-31 11:17:07 -08:00
vsock_virtio_transport_common.h
virtio/vsock: update trace event for SEQPACKET
2021-06-11 13:32:47 -07:00
wbt.h
bdi: use bdi_dev_name() to get device name
2020-05-09 16:07:39 -06:00
workqueue.h
workqueue/tracing: Copy workqueue name to buffer in trace event
2021-03-18 12:57:37 -04:00
writeback.h
Merge branch 'akpm' (patches from Andrew)
2021-11-06 14:08:17 -07:00
xdp.h
xdp: Extend xdp_redirect_map with broadcast support
2021-05-26 09:46:16 +02:00
xen.h
x86/mm/tlb: Flush remote and local TLBs concurrently
2021-03-06 12:59:10 +01:00