Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 7acedaf5 authored by Eric Dumazet's avatar Eric Dumazet Committed by David S. Miller
Browse files

net: move xdp_prog field in RX cache lines 



(struct net_device, xdp_prog) field should be moved in RX cache lines,
reducing latencies when a single packet is received on idle host,
since netif_elide_gro() needs it.

Signed-off-by: default avatarEric Dumazet <edumazet@google.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 5e1fc7c5

include/linux/netdevice.h

+1 −1
Original line number Diff line number Diff line
@@ -1790,6 +1790,7 @@ struct net_device { 
	unsigned int		real_num_rx_queues;

#endif



	struct bpf_prog __rcu	*xdp_prog;

	unsigned long		gro_flush_timeout;

	rx_handler_func_t __rcu	*rx_handler;

	void __rcu		*rx_handler_data;
@@ -1905,7 +1906,6 @@ struct net_device { 
	struct lock_class_key	*qdisc_tx_busylock;

	struct lock_class_key	*qdisc_running_key;

	bool			proto_down;

	struct bpf_prog __rcu	*xdp_prog;

};

#define to_net_dev(d) container_of(d, struct net_device, dev)