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| author |   Eric Dumazet <edumazet@google.com> | 2024-02-08 14:43:23 +0000 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2024-02-12 09:51:26 +0000 |
| commit | c353c7b7ffb7ae6ed8f3339906fe33c8be6cf344 (patch) | |
| tree | 3989289e35fc370cf94ec076fa44970fcceffe10 /Documentation/networking | |
| parent | tcp: move tp->tcp_usec_ts to tcp_sock_read_txrx group (diff) | |
| download | wireguard-linux-c353c7b7ffb7ae6ed8f3339906fe33c8be6cf344.tar.xz wireguard-linux-c353c7b7ffb7ae6ed8f3339906fe33c8be6cf344.zip | |
net-device: move lstats in net_device_read_txrx
dev->lstats is notably used from loopback ndo_start_xmit()
and other virtual drivers.
Per cpu stats updates are dirtying per-cpu data,
but the pointer itself is read-only.
Fixes: 43a71cd66b9c ("net-device: reorganize net_device fast path variables")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Coco Li <lixiaoyan@google.com>
Cc: Simon Horman <horms@kernel.org>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'Documentation/networking')
| -rw-r--r-- | Documentation/networking/net_cachelines/net_device.rst | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/Documentation/networking/net_cachelines/net_device.rst b/Documentation/networking/net_cachelines/net_device.rst index e75a53593bb9..dceb49d56a91 100644 --- a/Documentation/networking/net_cachelines/net_device.rst +++ b/Documentation/networking/net_cachelines/net_device.rst @@ -136,8 +136,8 @@ struct_netpoll_info* npinfo - possible_net_t nd_net - read_mostly (dev_net)napi_busy_loop,tcp_v(4/6)_rcv,ip(v6)_rcv,ip(6)_input,ip(6)_input_finish void* ml_priv enum_netdev_ml_priv_type ml_priv_type -struct_pcpu_lstats__percpu* lstats -struct_pcpu_sw_netstats__percpu* tstats +struct_pcpu_lstats__percpu* lstats read_mostly dev_lstats_add() +struct_pcpu_sw_netstats__percpu* tstats read_mostly dev_sw_netstats_tx_add() struct_pcpu_dstats__percpu* dstats struct_garp_port* garp_port struct_mrp_port* mrp_port |