Commit 45991204 authored by Anjali Singhai Jain's avatar Anjali Singhai Jain Committed by Jeff Kirsher

i40e/i40evf: Simplify tunnel selection logic

Use l4_tunnel type generically to keep code flow simple.

Change-ID: Ic52287e3b1ca4204e6b6e13431890c1a6ae9c422
Signed-off-by: default avatarAnjali Singhai Jain <anjali.singhai@intel.com>
Signed-off-by: default avatarJeff Kirsher <jeffrey.t.kirsher@intel.com>
parent 04294e38
......@@ -2216,8 +2216,16 @@ static void i40e_tx_enable_csum(struct sk_buff *skb, u32 tx_flags,
struct iphdr *this_ip_hdr;
u32 network_hdr_len;
u8 l4_hdr = 0;
u32 l4_tunnel = 0;
if (skb->encapsulation) {
switch (ip_hdr(skb)->protocol) {
case IPPROTO_UDP:
l4_tunnel = I40E_TXD_CTX_UDP_TUNNELING;
break;
default:
return;
}
network_hdr_len = skb_inner_network_header_len(skb);
this_ip_hdr = inner_ip_hdr(skb);
this_ipv6_hdr = inner_ipv6_hdr(skb);
......@@ -2241,7 +2249,7 @@ static void i40e_tx_enable_csum(struct sk_buff *skb, u32 tx_flags,
/* Now set the ctx descriptor fields */
*cd_tunneling |= (skb_network_header_len(skb) >> 2) <<
I40E_TXD_CTX_QW0_EXT_IPLEN_SHIFT |
I40E_TXD_CTX_UDP_TUNNELING |
l4_tunnel |
((skb_inner_network_offset(skb) -
skb_transport_offset(skb)) >> 1) <<
I40E_TXD_CTX_QW0_NATLEN_SHIFT;
......
......@@ -1461,8 +1461,16 @@ static void i40e_tx_enable_csum(struct sk_buff *skb, u32 tx_flags,
struct iphdr *this_ip_hdr;
u32 network_hdr_len;
u8 l4_hdr = 0;
u32 l4_tunnel = 0;
if (skb->encapsulation) {
switch (ip_hdr(skb)->protocol) {
case IPPROTO_UDP:
l4_tunnel = I40E_TXD_CTX_UDP_TUNNELING;
break;
default:
return;
}
network_hdr_len = skb_inner_network_header_len(skb);
this_ip_hdr = inner_ip_hdr(skb);
this_ipv6_hdr = inner_ipv6_hdr(skb);
......@@ -1486,7 +1494,7 @@ static void i40e_tx_enable_csum(struct sk_buff *skb, u32 tx_flags,
/* Now set the ctx descriptor fields */
*cd_tunneling |= (skb_network_header_len(skb) >> 2) <<
I40E_TXD_CTX_QW0_EXT_IPLEN_SHIFT |
I40E_TXD_CTX_UDP_TUNNELING |
l4_tunnel |
((skb_inner_network_offset(skb) -
skb_transport_offset(skb)) >> 1) <<
I40E_TXD_CTX_QW0_NATLEN_SHIFT;
......
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