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authorGeetha sowjanya <gakula@marvell.com>2022-10-01 10:29:42 +0530
committerDavid S. Miller <davem@davemloft.net>2022-10-03 12:50:18 +0100
commitca7f49ff884677f97858c3934806e0e666425af0 (patch)
tree02881a3ced21114c98b30cc5bbc713f5f9934c21 /drivers/dma
parent99507e762df0f174bfabf50a213f91d4f1ee03e0 (diff)
downloadlinux-ca7f49ff884677f97858c3934806e0e666425af0.tar.bz2
octeontx2-af: cn10k: Introduce driver for macsec block.
CN10K-B and CNF10K-B has macsec block(MCS) to encrypt and decrypt packets at MAC level. This block is a global resource with hardware resources like SecYs, SCs and SAs and is in between NIX block and RPM LMAC. CN10K-B silicon has only one MCS block which receives packets from all LMACS whereas CNF10K-B has seven MCS blocks for seven LMACs. Both MCS blocks are similar in operation except for few register offsets and some configurations require writing to different registers. Those differences between IPs are handled using separate ops. This patch adds basic driver and does the initial hardware calibration and parser configuration. Signed-off-by: Geetha sowjanya <gakula@marvell.com> Signed-off-by: Vamsi Attunuru <vattunuru@marvell.com> Signed-off-by: Sunil Goutham <sgoutham@marvell.com> Signed-off-by: Subbaraya Sundeep <sbhatta@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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