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155 Commits

Author SHA1 Message Date
Sabrina Dubroca
c3b7d0bd7a macsec: fix rx_sa refcounting with decrypt callback 
The decrypt callback macsec_decrypt_done needs a reference on the rx_sa
and releases it before returning, but macsec_handle_frame already
put that reference after macsec_decrypt returned NULL.

Set rx_sa to NULL when the decrypt callback runs so that
macsec_handle_frame knows it must not release the reference.

Fixes: c09440f7dc ("macsec: introduce IEEE 802.1AE driver")
Signed-off-by: Sabrina Dubroca <sd@queasysnail.net>
Acked-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2016-04-24 14:31:58 -04:00
Sabrina Dubroca
497f358aa4 macsec: don't put a NULL rxsa 
The "deliver:" path of macsec_handle_frame can be called with
rx_sa == NULL.  Check rx_sa != NULL before calling macsec_rxsa_put().

Fixes: c09440f7dc ("macsec: introduce IEEE 802.1AE driver")
Signed-off-by: Sabrina Dubroca <sd@queasysnail.net>
Acked-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2016-04-24 14:31:58 -04:00
Sabrina Dubroca
c10c63ea73 macsec: take rtnl lock before for_each_netdev 
Fixes: c09440f7dc ("macsec: introduce IEEE 802.1AE driver")
Reported-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Sabrina Dubroca <sd@queasysnail.net>
Acked-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2016-04-24 14:31:58 -04:00
Sabrina Dubroca
72f2a05b8f macsec: add missing NULL check after kmalloc 
Fixes: c09440f7dc ("macsec: introduce IEEE 802.1AE driver")
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Sabrina Dubroca <sd@queasysnail.net>
Acked-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2016-04-24 14:31:58 -04:00
Sabrina Dubroca
c09440f7dc macsec: introduce IEEE 802.1AE driver 
This is an implementation of MACsec/IEEE 802.1AE.  This driver
provides authentication and encryption of traffic in a LAN, typically
with GCM-AES-128, and optional replay protection.

http://standards.ieee.org/getieee802/download/802.1AE-2006.pdf

Signed-off-by: Sabrina Dubroca <sd@queasysnail.net>
Reviewed-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2016-03-13 22:40:24 -04:00