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authorZyta Szpak <zr@semihalf.com>2018-08-27 14:22:52 +0200
committerAkhil Goyal <akhil.goyal@nxp.com>2018-10-17 12:16:54 +0200
commit01dbceb37e34a3e1b1f6b2d6014307a037afc716 (patch)
treeeb27603b74c32404277fbc6e79c5b9ea68149a98 /mk
parentd3f37c2222e59edbef87921290694299249bd24e (diff)
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crypto/mvsam: support scatter gather
The patch adds support for chained source mbufs given to crypto operations. The crypto engine accepts source buffer containing a number of segments. The destination buffer stays the same - always one segment. On decryption, EIP engine will look for digest at 'auth_icv_offset' offset in SRC buffer.It must be placed in the last segment and the offset must be set to reach digest in the last segment. If application doesn't placed digest in source mbuf, driver try to copy it to a last segment. Signed-off-by: Zyta Szpak <zr@semihalf.com> Signed-off-by: Natalie Samsonov <nsamsono@marvell.com> Reviewed-by: Dmitri Epshtein <dima@marvell.com>
Diffstat (limited to 'mk')
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