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Rely on extack to return failure reason.
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Almost all validation logic is in the drivers, but they are
missing reliable way to convey failure reason to userspace
applications.
Let's use extack to return this information to users.
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Allow users to configure xfrm states with packet offload mode.
The packet mode must be requested both for policy and state, and
such requires us to do not implement fallback.
We explicitly return an error if requested packet mode can't
be configured.
Reviewed-by: Raed Salem <raeds@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
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Make sure that netdevsim relies on direction and not on flags.
Reviewed-by: Raed Salem <raeds@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Acked-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
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struct xfrmdev_ops
There are two pointers in struct xfrm_state_offload, *dev, *real_dev.
These are used in callback functions of struct xfrmdev_ops.
The *dev points whether bonding interface or real interface.
If bonding ipsec offload is used, it points bonding interface If not,
it points real interface.
And real_dev always points real interface.
So, netdevsim should always use real_dev instead of dev.
Of course, real_dev always not be null.
Test commands:
ip netns add A
ip netns exec A bash
modprobe netdevsim
echo "1 1" > /sys/bus/netdevsim/new_device
ip link add bond0 type bond mode active-backup
ip link set eth0 master bond0
ip link set eth0 up
ip link set bond0 up
ip x s add proto esp dst 14.1.1.1 src 15.1.1.1 spi 0x07 mode \
transport reqid 0x07 replay-window 32 aead 'rfc4106(gcm(aes))' \
0x44434241343332312423222114131211f4f3f2f1 128 sel src 14.0.0.52/24 \
dst 14.0.0.70/24 proto tcp offload dev bond0 dir in
Splat looks like:
BUG: spinlock bad magic on CPU#5, kworker/5:1/53
lock: 0xffff8881068c2cc8, .magic: 11121314, .owner: <none>/-1,
.owner_cpu: -235736076
CPU: 5 PID: 53 Comm: kworker/5:1 Not tainted 5.13.0-rc3+ #1168
Workqueue: events linkwatch_event
Call Trace:
dump_stack+0xa4/0xe5
do_raw_spin_lock+0x20b/0x270
? rwlock_bug.part.1+0x90/0x90
_raw_spin_lock_nested+0x5f/0x70
bond_get_stats+0xe4/0x4c0 [bonding]
? rcu_read_lock_sched_held+0xc0/0xc0
? bond_neigh_init+0x2c0/0x2c0 [bonding]
? dev_get_alias+0xe2/0x190
? dev_get_port_parent_id+0x14a/0x360
? rtnl_unregister+0x190/0x190
? dev_get_phys_port_name+0xa0/0xa0
? memset+0x1f/0x40
? memcpy+0x38/0x60
? rtnl_phys_switch_id_fill+0x91/0x100
dev_get_stats+0x8c/0x270
rtnl_fill_stats+0x44/0xbe0
? nla_put+0xbe/0x140
rtnl_fill_ifinfo+0x1054/0x3ad0
[ ... ]
Fixes: 272c2330adc9 ("xfrm: bail early on slave pass over skb")
Signed-off-by: Taehee Yoo <ap420073@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Since snprintf() returns the would-be-output size instead of the
actual output size, the succeeding calls may go beyond the given
buffer limit. Fix it by replacing with scnprintf().
Cc: "David S . Miller" <davem@davemloft.net>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: netdev@vger.kernel.org
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Remove the existing way to create netdevsim over rtnetlink and move the
netdev creation/destruction to dev probe, so for every probed port,
a netdevsim-netdev instance is created.
Adjust selftests to work with new interface.
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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... so this won't have to be changed when skb->sp goes away.
v2: no changes, preserve ack.
Acked-by: Shannon Nelson <shannon.lee.nelson@gmail.com>
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Currently if sa_idx is equal to NSIM_IPSEC_MAX_SA_COUNT then
an out-of-bounds read on ipsec->sa will occur. Fix the
incorrect bounds check by using >= rather than >.
Detected by CoverityScan, CID#1470226 ("Out-of-bounds-read")
Fixes: 7699353da875 ("netdevsim: add ipsec offload testing")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Acked-by: Shannon Nelson <shannon.nelson@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Implement the IPsec/XFRM offload API for testing.
Signed-off-by: Shannon Nelson <shannon.nelson@oracle.com>
Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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