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ipv4: Move exception bucket to nh_common

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Similar to the cached routes, make IPv4 exceptions accessible when
using an IPv6 nexthop struct with IPv4 routes. Simplify the exception
functions by passing in fib_nh_common since that is all it needs,
and then cleanup the call sites that have extraneous fib_nh conversions.

As with the cached routes this is a change in location only, from fib_nh
up to fib_nh_common; no functional change intended.

Signed-off-by: David Ahern <dsahern@gmail.com>
Reviewed-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David Ahern 2019-04-30 07:45:50 -07:00 • committed by David S. Miller
parent 87063a1fa6
commit a5995e7107
3 changed files with 24 additions and 31 deletions
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2
include/net/ip_fib.h
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@ -100,6 +100,7 @@ struct fib_nh_common {
/* v4 specific, but allows fib6_nh with v4 routes */
struct rtable __rcu * __percpu *nhc_pcpu_rth_output;
struct rtable __rcu *nhc_rth_input;
struct fnhe_hash_bucket __rcu *nhc_exceptions;
};
struct fib_nh {
@ -111,7 +112,6 @@ struct fib_nh {
#endif
__be32 nh_saddr;
int nh_saddr_genid;
struct fnhe_hash_bucket __rcu *nh_exceptions;
#define fib_nh_family nh_common.nhc_family
#define fib_nh_dev nh_common.nhc_dev
#define fib_nh_oif nh_common.nhc_oif