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authorAlexander Duyck <aduyck@mirantis.com>2016-01-25 08:17:22 +0300
committerJeff Kirsher <jeffrey.t.kirsher@intel.com>2016-02-19 01:38:56 +0300
commitfad57330b6d0710fdf39dc1c2b28ccebb97ae8a1 (patch)
treec7980cc06585c4db31f7595ece76a7a7f597dc22 /drivers/net/ethernet/intel/i40evf/i40e_txrx.c
parent529f1f652e3c3c6db6ab5a6e3a35469ddfd9575d (diff)
downloadlinux-fad57330b6d0710fdf39dc1c2b28ccebb97ae8a1.tar.xz
i40e/i40evf: Clean-up Rx packet checksum handling
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 <aduyck@mirantis.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Diffstat (limited to 'drivers/net/ethernet/intel/i40evf/i40e_txrx.c')
-rw-r--r--drivers/net/ethernet/intel/i40evf/i40e_txrx.c23
1 files changed, 10 insertions, 13 deletions
diff --git a/drivers/net/ethernet/intel/i40evf/i40e_txrx.c b/drivers/net/ethernet/intel/i40evf/i40e_txrx.c
index 143c5703f54e..3f40e0e26066 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;