From: Alexander Duyck <adu...@mirantis.com>

This is mostly a minor clean-up for the Rx checksum path in order to avoid
some of the unnecessary conditional checks that were being applied.

Signed-off-by: Alexander Duyck <adu...@mirantis.com>
Tested-by: Andrew Bowers <andrewx.bow...@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirs...@intel.com>
---
 drivers/net/ethernet/intel/i40e/i40e_txrx.c   | 23 ++++++++++-------------
 drivers/net/ethernet/intel/i40evf/i40e_txrx.c | 23 ++++++++++-------------
 2 files changed, 20 insertions(+), 26 deletions(-)

diff --git a/drivers/net/ethernet/intel/i40e/i40e_txrx.c 
b/drivers/net/ethernet/intel/i40e/i40e_txrx.c
index 6b08b0f..ded73c0 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_txrx.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_txrx.c
@@ -1389,13 +1389,7 @@ static inline void i40e_rx_checksum(struct i40e_vsi *vsi,
                                    u16 rx_ptype)
 {
        struct i40e_rx_ptype_decoded decoded = decode_rx_desc_ptype(rx_ptype);
-       bool ipv4 = false, ipv6 = false;
-       bool ipv4_tunnel, ipv6_tunnel;
-
-       ipv4_tunnel = (rx_ptype >= I40E_RX_PTYPE_GRENAT4_MAC_PAY3) &&
-                    (rx_ptype <= I40E_RX_PTYPE_GRENAT4_MACVLAN_IPV6_ICMP_PAY4);
-       ipv6_tunnel = (rx_ptype >= I40E_RX_PTYPE_GRENAT6_MAC_PAY3) &&
-                    (rx_ptype <= I40E_RX_PTYPE_GRENAT6_MACVLAN_IPV6_ICMP_PAY4);
+       bool ipv4, ipv6, ipv4_tunnel, ipv6_tunnel;
 
        skb->ip_summed = CHECKSUM_NONE;
 
@@ -1411,12 +1405,10 @@ static inline void i40e_rx_checksum(struct i40e_vsi 
*vsi,
        if (!(decoded.known && decoded.outer_ip))
                return;
 
-       if (decoded.outer_ip == I40E_RX_PTYPE_OUTER_IP &&
-           decoded.outer_ip_ver == I40E_RX_PTYPE_OUTER_IPV4)
-               ipv4 = true;
-       else if (decoded.outer_ip == I40E_RX_PTYPE_OUTER_IP &&
-                decoded.outer_ip_ver == I40E_RX_PTYPE_OUTER_IPV6)
-               ipv6 = true;
+       ipv4 = (decoded.outer_ip == I40E_RX_PTYPE_OUTER_IP) &&
+              (decoded.outer_ip_ver == I40E_RX_PTYPE_OUTER_IPV4);
+       ipv6 = (decoded.outer_ip == I40E_RX_PTYPE_OUTER_IP) &&
+              (decoded.outer_ip_ver == I40E_RX_PTYPE_OUTER_IPV6);
 
        if (ipv4 &&
            (rx_error & (BIT(I40E_RX_DESC_ERROR_IPE_SHIFT) |
@@ -1447,6 +1439,11 @@ static inline void i40e_rx_checksum(struct i40e_vsi *vsi,
         * inner checksum report CHECKSUM_UNNECESSARY.
         */
 
+       ipv4_tunnel = (rx_ptype >= I40E_RX_PTYPE_GRENAT4_MAC_PAY3) &&
+                    (rx_ptype <= I40E_RX_PTYPE_GRENAT4_MACVLAN_IPV6_ICMP_PAY4);
+       ipv6_tunnel = (rx_ptype >= I40E_RX_PTYPE_GRENAT6_MAC_PAY3) &&
+                    (rx_ptype <= I40E_RX_PTYPE_GRENAT6_MACVLAN_IPV6_ICMP_PAY4);
+
        skb->ip_summed = CHECKSUM_UNNECESSARY;
        skb->csum_level = ipv4_tunnel || ipv6_tunnel;
 
diff --git a/drivers/net/ethernet/intel/i40evf/i40e_txrx.c 
b/drivers/net/ethernet/intel/i40evf/i40e_txrx.c
index 143c570..3f40e0e 100644
--- a/drivers/net/ethernet/intel/i40evf/i40e_txrx.c
+++ b/drivers/net/ethernet/intel/i40evf/i40e_txrx.c
@@ -861,13 +861,7 @@ static inline void i40e_rx_checksum(struct i40e_vsi *vsi,
                                    u16 rx_ptype)
 {
        struct i40e_rx_ptype_decoded decoded = decode_rx_desc_ptype(rx_ptype);
-       bool ipv4 = false, ipv6 = false;
-       bool ipv4_tunnel, ipv6_tunnel;
-
-       ipv4_tunnel = (rx_ptype >= I40E_RX_PTYPE_GRENAT4_MAC_PAY3) &&
-                    (rx_ptype <= I40E_RX_PTYPE_GRENAT4_MACVLAN_IPV6_ICMP_PAY4);
-       ipv6_tunnel = (rx_ptype >= I40E_RX_PTYPE_GRENAT6_MAC_PAY3) &&
-                    (rx_ptype <= I40E_RX_PTYPE_GRENAT6_MACVLAN_IPV6_ICMP_PAY4);
+       bool ipv4, ipv6, ipv4_tunnel, ipv6_tunnel;
 
        skb->ip_summed = CHECKSUM_NONE;
 
@@ -883,12 +877,10 @@ static inline void i40e_rx_checksum(struct i40e_vsi *vsi,
        if (!(decoded.known && decoded.outer_ip))
                return;
 
-       if (decoded.outer_ip == I40E_RX_PTYPE_OUTER_IP &&
-           decoded.outer_ip_ver == I40E_RX_PTYPE_OUTER_IPV4)
-               ipv4 = true;
-       else if (decoded.outer_ip == I40E_RX_PTYPE_OUTER_IP &&
-                decoded.outer_ip_ver == I40E_RX_PTYPE_OUTER_IPV6)
-               ipv6 = true;
+       ipv4 = (decoded.outer_ip == I40E_RX_PTYPE_OUTER_IP) &&
+              (decoded.outer_ip_ver == I40E_RX_PTYPE_OUTER_IPV4);
+       ipv6 = (decoded.outer_ip == I40E_RX_PTYPE_OUTER_IP) &&
+              (decoded.outer_ip_ver == I40E_RX_PTYPE_OUTER_IPV6);
 
        if (ipv4 &&
            (rx_error & (BIT(I40E_RX_DESC_ERROR_IPE_SHIFT) |
@@ -919,6 +911,11 @@ static inline void i40e_rx_checksum(struct i40e_vsi *vsi,
         * inner checksum report CHECKSUM_UNNECESSARY.
         */
 
+       ipv4_tunnel = (rx_ptype >= I40E_RX_PTYPE_GRENAT4_MAC_PAY3) &&
+                    (rx_ptype <= I40E_RX_PTYPE_GRENAT4_MACVLAN_IPV6_ICMP_PAY4);
+       ipv6_tunnel = (rx_ptype >= I40E_RX_PTYPE_GRENAT6_MAC_PAY3) &&
+                    (rx_ptype <= I40E_RX_PTYPE_GRENAT6_MACVLAN_IPV6_ICMP_PAY4);
+
        skb->ip_summed = CHECKSUM_UNNECESSARY;
        skb->csum_level = ipv4_tunnel || ipv6_tunnel;
 
-- 
2.5.0

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