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authorEric Dumazet <edumazet@google.com>2023-03-28 23:50:19 +0000
committerPaolo Abeni <pabeni@redhat.com>2023-03-30 13:40:00 +0200
commitc59647c0dc679008886756a888368da1c6d4ccd3 (patch)
treee9085b988a2ac89d8c73f1388cac8f8fd0471b4d /include/linux/netdevice.h
parent8fcb76b934daff12cde76adeab3d502eeb0734b1 (diff)
net: add softnet_data.in_net_rx_action
We want to make two optimizations in napi_schedule_rps() and ____napi_schedule() which require to know if these helpers are called from net_rx_action(), instead of being called from other contexts. sd.in_net_rx_action is only read/written by the owning cpu. Signed-off-by: Eric Dumazet <edumazet@google.com> Reviewed-by: Jason Xing <kerneljasonxing@gmail.com> Tested-by: Jason Xing <kerneljasonxing@gmail.com> Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Diffstat (limited to 'include/linux/netdevice.h')
-rw-r--r--include/linux/netdevice.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 18a5be6ddd0f..c8c634091a65 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -3188,6 +3188,7 @@ struct softnet_data {
#ifdef CONFIG_RPS
struct softnet_data *rps_ipi_list;
#endif
+ bool in_net_rx_action;
#ifdef CONFIG_NET_FLOW_LIMIT
struct sd_flow_limit __rcu *flow_limit;
#endif