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net: macsec: introduce the macsec_context structure

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This patch introduces the macsec_context structure. It will be used
in the kernel to exchange information between the common MACsec
implementation (macsec.c) and the MACsec hardware offloading
implementations. This structure contains pointers to MACsec specific
structures which contain the actual MACsec configuration, and to the
underlying device (phydev for now).

Signed-off-by: Antoine Tenart <antoine.tenart@bootlin.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Antoine Tenart
2020-01-13 23:31:40 +01:00
committed by David S. Miller
parent c0e4eadfb8
commit 76564261a7
4 changed files with 37 additions and 0 deletions
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21
include/net/macsec.h
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@@ -174,4 +174,25 @@ struct macsec_secy {
struct macsec_rx_sc __rcu *rx_sc;
};
/**
* struct macsec_context - MACsec context for hardware offloading
*/
struct macsec_context {
struct phy_device *phydev;
enum macsec_offload offload;
struct macsec_secy *secy;
struct macsec_rx_sc *rx_sc;
struct {
unsigned char assoc_num;
u8 key[MACSEC_KEYID_LEN];
union {
struct macsec_rx_sa *rx_sa;
struct macsec_tx_sa *tx_sa;
};
} sa;
u8 prepare:1;
};
#endif /* _NET_MACSEC_H_ */