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ixgbe: Fix secpath usage for IPsec TX offload.

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[ Upstream commit f39b683d35 ]

The ixgbe driver currently does IPsec TX offloading
based on an existing secpath. However, the secpath
can also come from the RX side, in this case it is
misinterpreted for TX offload and the packets are
dropped with a "bad sa_idx" error. Fix this by using
the xfrm_offload() function to test for TX offload.

Fixes: 5925947047 ("ixgbe: process the Tx ipsec offload")
Reported-by: Michael Marley <michael@michaelmarley.com>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Steffen Klassert
2019-09-12 13:01:44 +02:00
committed by Greg Kroah-Hartman
parent 2354e925e3
commit b26f489245
1 changed files with 3 additions and 1 deletions
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4
drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
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@@ -34,6 +34,7 @@
#include <net/tc_act/tc_mirred.h>
#include <net/vxlan.h>
#include <net/mpls.h>
#include <net/xfrm.h>
#include "ixgbe.h"
#include "ixgbe_common.h"
@@ -8599,7 +8600,8 @@ netdev_tx_t ixgbe_xmit_frame_ring(struct sk_buff *skb,
#endif /* IXGBE_FCOE */
#ifdef CONFIG_XFRM_OFFLOAD
if (skb->sp && !ixgbe_ipsec_tx(tx_ring, first, &ipsec_tx))
if (xfrm_offload(skb) &&
!ixgbe_ipsec_tx(tx_ring, first, &ipsec_tx))
goto out_drop;
#endif
tso = ixgbe_tso(tx_ring, first, &hdr_len, &ipsec_tx);