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netdevsim: Add devlink-trap support

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Have netdevsim register its trap groups and traps with devlink during
initialization and periodically report trapped packets to devlink core.

Since netdevsim is not a real device, the trapped packets are emulated
using a workqueue that periodically reports a UDP packet with a random
5-tuple from each active packet trap and from each running netdev.

Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ido Schimmel
2019-08-17 16:28:20 +03:00
committed by David S. Miller
parent f3047ca01f
commit da58f90f11
2 changed files with 279 additions and 1 deletions
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1
drivers/net/netdevsim/netdevsim.h
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@@ -145,6 +145,7 @@ struct nsim_dev_port {
struct nsim_dev {
struct nsim_bus_dev *nsim_bus_dev;
struct nsim_fib_data *fib_data;
struct nsim_trap_data *trap_data;
struct dentry *ddir;
struct dentry *ports_ddir;
struct bpf_offload_dev *bpf_dev;