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This is already done by xfrm layer between state_dev_del callback
to state_dev_free callback.
Signed-off-by: Aviad Yehezkel <aviadye@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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We can't allocate with GFP_KERNEL inside spinlock.
Actually ida_simple doesn't require spinlock so remove it.
Fixes: 547eede070eb ("net/mlx5e: IPSec, Innova IPSec offload infrastructure")
Signed-off-by: Aviad Yehezkel <aviadye@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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IS_ERR() already implies unlikely(), so it can be omitted.
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The new IPSec offload code introduced a build error:
drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_rxtx.o: In function `mlx5e_ipsec_build_inverse_table':
ipsec_rxtx.c:(.text+0x556): undefined reference
Another patch was added on top to fix the build error, but
that introduced a new bug, as we now use the remainder of
the division rather than the result.
This makes it use the correct helper function instead.
Fixes: 5dfd87b67cd9 ("net/mlx5: IPSec, Fix 64-bit division on 32-bit builds")
Fixes: 2ac9cfe78223 ("net/mlx5e: IPSec, Add Innova IPSec offload TX data path")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Ilan Tayari <ilant@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Currently it is not possible to build just one .o file inside
a subdirectory, because the subdirectories lack a Makefile.
Add a Makefile to the mlx5 subdirectories.
Fixes: e29341fb3a5b ("net/mlx5: FPGA, Add basic support for Innova")
Signed-off-by: Ilan Tayari <ilant@mellanox.com>
Reported-by: David Miller <davem@davemloft.net>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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Fix warnings when building 386 kernel:
>> ERROR: "__udivdi3" [drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.ko] undefined!
Fixes: 2ac9cfe78223 ("net/mlx5e: IPSec, Add Innova IPSec offload TX data path")
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Ilan Tayari <ilant@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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Add Innova IPSec SBU counters to the ethtool -S stats.
Add IPSec offload error counters to the ethtool -S stats.
Signed-off-by: Ilan Tayari <ilant@mellanox.com>
Reviewed-by: Boris Pismenny <borisp@mellanox.com>
Reviewed-by: Gal Pressman <galp@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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In the TX data path, prepend a special metadata ethertype which
instructs the hardware to perform cryptography.
In addition, fill Software-Parser segment in TX descriptor so
that the hardware may parse the ESP protocol, and perform TX
checksum offload on the inner payload.
Support GSO, by providing the inverse of gso_size in the metadata.
This allows the FPGA to update the ESP header (seqno and seqiv) on the
resulting packets, by calculating the packet number within the GSO
back from the TCP sequence number.
Note that for GSO SKBs, the stack does not include an ESP trailer,
unlike the non-GSO case.
Signed-off-by: Ilan Tayari <ilant@mellanox.com>
Signed-off-by: Yossi Kuperman <yossiku@mellanox.com>
Signed-off-by: Yevgeny Kliteynik <kliteyn@mellanox.com>
Signed-off-by: Boris Pismenny <borisp@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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In RX data path, the hardware prepends a special metadata ethertype
which indicates that the packet underwent decryption, and the result of
the authentication check.
Communicate this to the stack in skb->sp.
Make wqe_size large enough to account for the injected metadata.
Support only Linked-list RQ type.
IPSec offload RX packets may have useful CHECKSUM_COMPLETE information,
which the stack may not be able to use yet.
Signed-off-by: Ilan Tayari <ilant@mellanox.com>
Signed-off-by: Yossi Kuperman <yossiku@mellanox.com>
Signed-off-by: Yevgeny Kliteynik <kliteyn@mellanox.com>
Signed-off-by: Boris Pismenny <borisp@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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Add Innova IPSec ESP crypto offload configuration paths.
Detect Innova IPSec device and set the NETIF_F_HW_ESP flag.
Configure Security Associations using the API introduced in a previous
patch.
Add Software-parser hardware descriptor layout
Software-Parser (swp) is a hardware feature in ConnectX which allows the
host software to specify protocol header offsets in the TX path, thus
overriding the hardware parser.
This is useful for protocols that the ASIC may not be able to parse on
its own.
Note that due to inline metadata, XDP is not supported in Innova IPSec.
Signed-off-by: Ilan Tayari <ilant@mellanox.com>
Signed-off-by: Yossi Kuperman <yossiku@mellanox.com>
Signed-off-by: Yevgeny Kliteynik <kliteyn@mellanox.com>
Signed-off-by: Boris Pismenny <borisp@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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