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Revert "net: Add driver helper functions to determine checksum offloadability"

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This reverts commit 6ae23ad362.

The code has been in kernel since 4.4 but there are no in tree
code that uses. Unused code is broken code, remove it.

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
stephen hemminger
2016-10-11 13:04:09 -07:00
committed by David S. Miller
parent 8eed1cd4cd
commit cf53b1da73
2 changed files with 0 additions and 214 deletions
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78
include/linux/netdevice.h
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@@ -2653,71 +2653,6 @@ static inline void skb_gro_remcsum_cleanup(struct sk_buff *skb,
remcsum_unadjust((__sum16 *)ptr, grc->delta);
}
struct skb_csum_offl_spec {
__u16 ipv4_okay:1,
ipv6_okay:1,
encap_okay:1,
ip_options_okay:1,
ext_hdrs_okay:1,
tcp_okay:1,
udp_okay:1,
sctp_okay:1,
vlan_okay:1,
no_encapped_ipv6:1,
no_not_encapped:1;
};
bool __skb_csum_offload_chk(struct sk_buff *skb,
const struct skb_csum_offl_spec *spec,
bool *csum_encapped,
bool csum_help);
static inline bool skb_csum_offload_chk(struct sk_buff *skb,
const struct skb_csum_offl_spec *spec,
bool *csum_encapped,
bool csum_help)
{
if (skb->ip_summed != CHECKSUM_PARTIAL)
return false;
return __skb_csum_offload_chk(skb, spec, csum_encapped, csum_help);
}
static inline bool skb_csum_offload_chk_help(struct sk_buff *skb,
const struct skb_csum_offl_spec *spec)
{
bool csum_encapped;
return skb_csum_offload_chk(skb, spec, &csum_encapped, true);
}
static inline bool skb_csum_off_chk_help_cmn(struct sk_buff *skb)
{
static const struct skb_csum_offl_spec csum_offl_spec = {
.ipv4_okay = 1,
.ip_options_okay = 1,
.ipv6_okay = 1,
.vlan_okay = 1,
.tcp_okay = 1,
.udp_okay = 1,
};
return skb_csum_offload_chk_help(skb, &csum_offl_spec);
}
static inline bool skb_csum_off_chk_help_cmn_v4_only(struct sk_buff *skb)
{
static const struct skb_csum_offl_spec csum_offl_spec = {
.ipv4_okay = 1,
.ip_options_okay = 1,
.tcp_okay = 1,
.udp_okay = 1,
.vlan_okay = 1,
};
return skb_csum_offload_chk_help(skb, &csum_offl_spec);
}
static inline int dev_hard_header(struct sk_buff *skb, struct net_device *dev,
unsigned short type,
const void *daddr, const void *saddr,
@@ -3961,19 +3896,6 @@ static inline bool can_checksum_protocol(netdev_features_t features,
}
}
/* Map an ethertype into IP protocol if possible */
static inline int eproto_to_ipproto(int eproto)
{
switch (eproto) {
case htons(ETH_P_IP):
return IPPROTO_IP;
case htons(ETH_P_IPV6):
return IPPROTO_IPV6;
default:
return -1;
}
}
#ifdef CONFIG_BUG
void netdev_rx_csum_fault(struct net_device *dev);
#else