l2tp: define l2tp_tunnel_uses_xfrm()

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Use helper function to figure out if a tunnel is using ipsec.
Also, avoid accessing ->sk_policy directly since it's RCU protected.

Signed-off-by: Guillaume Nault <g.nault@alphalink.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Guillaume Nault 2018-08-10 13:21:55 +02:00 • committed by David S. Miller

parent 8a8982d1e2

commit d6a61ec936

3 changed files with 21 additions and 10 deletions

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19

net/l2tp/l2tp_core.h

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7

net/l2tp/l2tp_netlink.c

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5

net/l2tp/l2tp_ppp.c

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