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build: remove support for Linux 4.9

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This commit is contained in:
Jan Engelhardt
2018-02-12 14:59:12 +01:00
parent ed8e496750
commit 9b1c7c1c04
12 changed files with 7 additions and 88 deletions
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2
configure.ac
View File

@@ -59,7 +59,7 @@ if test -n "$kbuilddir"; then
echo "$kmajor.$kminor.$kmicro.$kstable in $kbuilddir";
if test "$kmajor" -gt 4 -o "$kmajor" -eq 4 -a "$kminor" -gt 12; then
echo "WARNING: That kernel version is not officially supported yet. Continue at own luck.";
elif test "$kmajor" -eq 4 -a "$kminor" -le 8; then
elif test "$kmajor" -eq 4 -a "$kminor" -le 9; then
echo "WARNING: That kernel version is not officially supported.";
elif test "$kmajor" -eq 4 -a "$kminor" -le 10; then
:;

2
doc/changelog.txt
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@@ -4,7 +4,7 @@ HEAD
Enhancements:
- support for Linux up to 4.15
Changes:
- remove support for Linux 3.7--4.8
- remove support for Linux 3.7--4.9
v2.14 (2017-11-22)

4
extensions/ACCOUNT/xt_ACCOUNT.c
View File

@@ -482,11 +482,7 @@ static void ipt_acc_depth2_insert(struct ipt_acc_mask_8 *mask_8,
static unsigned int
ipt_acc_target(struct sk_buff *skb, const struct xt_action_param *par)
{
#if LINUX_VERSION_CODE >= KERNEL_VERSION(4,10,0)
struct ipt_acc_net *ian = net_generic(par->state->net, ipt_acc_net_id);
#else
struct ipt_acc_net *ian = net_generic(par->net, ipt_acc_net_id);
#endif
struct ipt_acc_table *ipt_acc_tables = ian->ipt_acc_tables;
const struct ipt_acc_info *info =
par->targinfo;

8
extensions/compat_xtables.h
View File

@@ -8,8 +8,8 @@
#define DEBUGP Use__pr_debug__instead
#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 9, 0)
# warning Kernels below 4.9 not supported.
#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 10, 0)
# warning Kernels below 4.10 not supported.
#endif
#if defined(CONFIG_NF_CONNTRACK) || defined(CONFIG_NF_CONNTRACK_MODULE)
@@ -44,11 +44,7 @@
static inline struct net *par_net(const struct xt_action_param *par)
{
#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 10, 0)
return par->state->net;
#else
return par->net;
#endif
}
#ifndef NF_CT_ASSERT

28
extensions/xt_CHAOS.c
View File

@@ -58,12 +58,7 @@ xt_chaos_total(struct sk_buff *skb, const struct xt_action_param *par)
{
struct xt_action_param local_par;
#if LINUX_VERSION_CODE >= KERNEL_VERSION(4,10,0)
local_par.state = par->state;
#else
local_par.in = par->in,
local_par.out = par->out,
#endif
local_par.match = xm_tcp;
local_par.matchinfo = &tcp_params;
local_par.fragoff = fragoff;
@@ -78,14 +73,7 @@ xt_chaos_total(struct sk_buff *skb, const struct xt_action_param *par)
destiny = (info->variant == XTCHAOS_TARPIT) ? xt_tarpit : xt_delude;
{
struct xt_action_param local_par;
#if LINUX_VERSION_CODE >= KERNEL_VERSION(4,10,0)
local_par.state = par->state;
#else
local_par.in = par->in;
local_par.out = par->out;
local_par.hooknum = par->hooknum;
local_par.family = par->family;
#endif
local_par.target = destiny;
local_par.targinfo = par->targinfo;
destiny->target(skb, &local_par);
@@ -108,27 +96,15 @@ chaos_tg(struct sk_buff *skb, const struct xt_action_param *par)
if ((unsigned int)prandom_u32() <= reject_percentage) {
struct xt_action_param local_par;
#if LINUX_VERSION_CODE >= KERNEL_VERSION(4,10,0)
local_par.state = par->state;
#else
local_par.in = par->in;
local_par.out = par->out;
local_par.hooknum = par->hooknum;
#endif
local_par.target = xt_reject;
local_par.targinfo = &reject_params;
return xt_reject->target(skb, &local_par);
}
/* TARPIT/DELUDE may not be called from the OUTPUT chain */
if (iph->protocol == IPPROTO_TCP &&
info->variant != XTCHAOS_NORMAL &&
#if LINUX_VERSION_CODE >= KERNEL_VERSION(4,10,0)
par->state->hook
#else
par->hooknum
#endif
!= NF_INET_LOCAL_OUT)
if (iph->protocol == IPPROTO_TCP && info->variant != XTCHAOS_NORMAL &&
par->state->hook != NF_INET_LOCAL_OUT)
xt_chaos_total(skb, par);
return NF_DROP;

8
extensions/xt_DELUDE.c
View File

@@ -146,13 +146,7 @@ delude_tg(struct sk_buff *skb, const struct xt_action_param *par)
* a problem, as that is supported since Linux 2.6.35. But since we do not
* actually want to have a connection open, we are still going to drop it.
*/
delude_send_reset(par_net(par), skb,
#if LINUX_VERSION_CODE >= KERNEL_VERSION(4,10,0)
par->state->hook
#else
par->hooknum
#endif
);
delude_send_reset(par_net(par), skb, par->state->hook);
return NF_DROP;
}

13
extensions/xt_DNETMAP.c
View File

@@ -356,11 +356,7 @@ out:
static unsigned int
dnetmap_tg(struct sk_buff *skb, const struct xt_action_param *par)
{
#if LINUX_VERSION_CODE >= KERNEL_VERSION(4,10,0)
struct net *net = dev_net(par->state->in ? par->state->in : par->state->out);
#else
struct net *net = dev_net(par->in ? par->in : par->out);
#endif
struct dnetmap_net *dnetmap_net = dnetmap_pernet(net);
struct nf_conn *ct;
enum ip_conntrack_info ctinfo;
@@ -371,11 +367,7 @@ dnetmap_tg(struct sk_buff *skb, const struct xt_action_param *par)
struct dnetmap_entry *e;
struct dnetmap_prefix *p;
__s32 jttl;
#if LINUX_VERSION_CODE >= KERNEL_VERSION(4,10,0)
unsigned int hooknum = par->state->hook;
#else
unsigned int hooknum = par->hooknum;
#endif
ct = nf_ct_get(skb, &ctinfo);
jttl = tginfo->flags & XT_DNETMAP_TTL ? tginfo->ttl * HZ : jtimeout;
@@ -500,12 +492,7 @@ bind_new_prefix:
newrange.max_addr.ip = postnat_ip;
newrange.min_proto = mr->min_proto;
newrange.max_proto = mr->max_proto;
#if LINUX_VERSION_CODE >= KERNEL_VERSION(4,10,0)
return nf_nat_setup_info(ct, &newrange, HOOK2MANIP(par->state->hook));
#else
return nf_nat_setup_info(ct, &newrange, HOOK2MANIP(par->hooknum));
#endif
no_rev_map:
no_free_ip:
spin_unlock_bh(&dnetmap_lock);

4
extensions/xt_ECHO.c
View File

@@ -35,11 +35,7 @@ echo_tg6(struct sk_buff *oldskb, const struct xt_action_param *par)
void *payload;
struct flowi6 fl;
struct dst_entry *dst = NULL;
#if LINUX_VERSION_CODE >= KERNEL_VERSION(4,10,0)
struct net *net = dev_net((par->state->in != NULL) ? par->state->in : par->state->out);
#else
struct net *net = dev_net((par->in != NULL) ? par->in : par->out);
#endif
/* This allows us to do the copy operation in fewer lines of code. */
if (skb_linearize(oldskb) < 0)

4
extensions/xt_LOGMARK.c
View File

@@ -77,11 +77,7 @@ logmark_tg(struct sk_buff *skb, const struct xt_action_param *par)
printk("<%u>%.*s""iif=%d hook=%s nfmark=0x%x "
"secmark=0x%x classify=0x%x",
info->level, (unsigned int)sizeof(info->prefix), info->prefix,
#if LINUX_VERSION_CODE >= KERNEL_VERSION(4,10,0)
skb_ifindex(skb), hook_names[par->state->hook],
#else
skb_ifindex(skb), hook_names[par->hooknum],
#endif
skb_nfmark(skb), skb_secmark(skb), skb->priority);
ct = nf_ct_get(skb, &ctinfo);

10
extensions/xt_TARPIT.c
View File

@@ -431,12 +431,7 @@ tarpit_tg4(struct sk_buff *skb, const struct xt_action_param *par)
/* We are not interested in fragments */
if (iph->frag_off & htons(IP_OFFSET))
return NF_DROP;
#if LINUX_VERSION_CODE >= KERNEL_VERSION(4,10,0)
tarpit_tcp4(par_net(par), skb, par->state->hook, info->variant);
#else
tarpit_tcp4(par_net(par), skb, par->hooknum, info->variant);
#endif
return NF_DROP;
}
@@ -477,12 +472,7 @@ tarpit_tg6(struct sk_buff *skb, const struct xt_action_param *par)
pr_debug("addr is not unicast.\n");
return NF_DROP;
}
#if LINUX_VERSION_CODE >= KERNEL_VERSION(4,10,0)
tarpit_tcp6(par_net(par), skb, par->state->hook, info->variant);
#else
tarpit_tcp6(par_net(par), skb, par->hooknum, info->variant);
#endif
return NF_DROP;
}
#endif

8
extensions/xt_iface.c
View File

@@ -45,17 +45,9 @@ static const struct net_device *iface_get(const struct xt_iface_mtinfo *info,
const struct xt_action_param *par, struct net_device **put)
{
if (info->flags & XT_IFACE_DEV_IN)
#if LINUX_VERSION_CODE >= KERNEL_VERSION(4,10,0)
return par->state->in;
#else
return par->in;
#endif
else if (info->flags & XT_IFACE_DEV_OUT)
#if LINUX_VERSION_CODE >= KERNEL_VERSION(4,10,0)
return par->state->out;
#else
return par->out;
#endif
return *put = dev_get_by_name(&init_net, info->ifname);
}

4
extensions/xt_lscan.c
View File

@@ -204,11 +204,7 @@ lscan_mt(const struct sk_buff *skb, struct xt_action_param *par)
unsigned int n;
n = lscan_mt_full(ctdata->mark & connmark_mask, ctstate,
#if LINUX_VERSION_CODE >= KERNEL_VERSION(4,10,0)
par->state->in == init_net.loopback_dev, tcph,
#else
par->in == init_net.loopback_dev, tcph,
#endif
skb->len - par->thoff - 4 * tcph->doff);
ctdata->mark = (ctdata->mark & ~connmark_mask) | n;