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netdevsim: fib: Add dummy implementation for FIB offload

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Implement dummy IPv4 and IPv6 FIB "offload" in the driver by storing
currently "programmed" routes in a hash table. Each route in the hash
table is marked with "trap" indication. The indication is cleared when
the route is replaced or when the netdevsim instance is deleted.

This will later allow us to test the route offload API on top of
netdevsim.

v2:
* Convert to new fib_alias_hw_flags_set() interface

Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ido Schimmel
2020-01-14 13:23:15 +02:00
committed by David S. Miller
parent ee5a0448e7
commit 48bb9eb47b
2 changed files with 664 additions and 10 deletions
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1
drivers/net/Kconfig
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@@ -549,6 +549,7 @@ source "drivers/net/hyperv/Kconfig"
config NETDEVSIM
tristate "Simulated networking device"
depends on DEBUG_FS
depends on IPV6 || IPV6=n
select NET_DEVLINK
help
This driver is a developer testing tool and software model that can

673
drivers/net/netdevsim/fib.c
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