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authorRadu Pirea (NXP OSS) <radu-nicolae.pirea@oss.nxp.com>2023-12-19 17:53:31 +0300
committerDavid S. Miller <davem@davemloft.net>2023-12-27 16:08:10 +0300
commita868b486cb886ef73c9b4f77b8103669c83a4515 (patch)
tree592119e32aee1b97ab89ee226ad2a4e237b3ee96 /kernel
parenta73d8779d61ad99b966c932a1715bd4d9006a9de (diff)
downloadlinux-a868b486cb886ef73c9b4f77b8103669c83a4515.tar.xz
net: phy: nxp-c45-tja11xx: add MACsec support
Add MACsec support. The MACsec block has four TX SCs and four RX SCs. The driver supports up to four SecY. Each SecY with one TX SC and one RX SC. The RX SCs can have two keys, key A and key B, written in hardware and enabled at the same time. The TX SCs can have two keys written in hardware, but only one can be active at a given time. On TX, the SC is selected using the MAC source address. Due of this selection mechanism, each offloaded netdev must have a unique MAC address. On RX, the SC is selected by SCI(found in SecTAG or calculated using MAC SA), or using RX SC 0 as implicit. Signed-off-by: Radu Pirea (NXP OSS) <radu-nicolae.pirea@oss.nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'kernel')
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