ixgbevf: Fix secpath usage for IPsec Tx offload

Port the same fix for ixgbe to ixgbevf.

The ixgbevf 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.

CC: Shannon Nelson <snelson@pensando.io>
Fixes: 7f68d4306701 ("ixgbevf: enable VF IPsec offload operations")
Reported-by: Jonathan Tooker <jonathan@reliablehosting.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Acked-by: Shannon Nelson <snelson@pensando.io>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
index d2b41f9f87f80513a793eafe5e65899464488a9c..72872d6ca80c4992bfe2594bfdd273385a3b331c 100644 (file)
--- a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
+++ b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
@@ -30,6 +30,7 @@
 #include <linux/bpf.h>
 #include <linux/bpf_trace.h>
 #include <linux/atomic.h>
+#include <net/xfrm.h>
 
 #include "ixgbevf.h"
 
@@ -4161,7 +4162,7 @@ static int ixgbevf_xmit_frame_ring(struct sk_buff *skb,
        first->protocol = vlan_get_protocol(skb);
 
 #ifdef CONFIG_IXGBEVF_IPSEC
-       if (secpath_exists(skb) && !ixgbevf_ipsec_tx(tx_ring, first, &ipsec_tx))
+       if (xfrm_offload(skb) && !ixgbevf_ipsec_tx(tx_ring, first, &ipsec_tx))
                goto out_drop;
 #endif
        tso = ixgbevf_tso(tx_ring, first, &hdr_len, &ipsec_tx);