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i40e/i40evf: Refactor tunnel interpretation 

Refactor the interpretation of a tunnel.  This removes
some code and lets us start using the hardware's parsing.

Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This commit is contained in:
Jesse Brandeburg 2016-04-18 11:33:41 -07:00 committed by Jeff Kirsher
parent 035cd6ba53
commit f8a952cb40
2 changed files with 12 additions and 14 deletions
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13
drivers/net/ethernet/intel/i40e/i40e_txrx.c
View File

@ -1392,7 +1392,7 @@ 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, ipv6, ipv4_tunnel, ipv6_tunnel;
bool ipv4, ipv6, tunnel = false;
skb->ip_summed = CHECKSUM_NONE;
@ -1441,14 +1441,13 @@ static inline void i40e_rx_checksum(struct i40e_vsi *vsi,
* doesn't make it a hard requirement so if we have validated the
* 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);
if (decoded.inner_prot & (I40E_RX_PTYPE_INNER_PROT_TCP |
I40E_RX_PTYPE_INNER_PROT_UDP |
I40E_RX_PTYPE_INNER_PROT_SCTP))
tunnel = true;
skb->ip_summed = CHECKSUM_UNNECESSARY;
skb->csum_level = ipv4_tunnel || ipv6_tunnel;
skb->csum_level = tunnel ? 1 : 0;
return;

13
drivers/net/ethernet/intel/i40evf/i40e_txrx.c
View File

@ -864,7 +864,7 @@ 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, ipv6, ipv4_tunnel, ipv6_tunnel;
bool ipv4, ipv6, tunnel = false;
skb->ip_summed = CHECKSUM_NONE;
@ -913,14 +913,13 @@ static inline void i40e_rx_checksum(struct i40e_vsi *vsi,
* doesn't make it a hard requirement so if we have validated the
* 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);
if (decoded.inner_prot & (I40E_RX_PTYPE_INNER_PROT_TCP |
I40E_RX_PTYPE_INNER_PROT_UDP |
I40E_RX_PTYPE_INNER_PROT_SCTP))
tunnel = true;
skb->ip_summed = CHECKSUM_UNNECESSARY;
skb->csum_level = ipv4_tunnel || ipv6_tunnel;
skb->csum_level = tunnel ? 1 : 0;
return;