kernel: Remove support for kernel 3.18

No target is using kernel 3.18 anymore, remove all the generic
support for kernel 3.18.

The removed packages are depending on kernel 3.18 only and are not used on
any recent kernel.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>

1 files changed, 0 insertions, 101 deletions

diff --git a/target/linux/generic/pending-3.18/610-netfilter_match_bypass_default_checks.patch b/target/linux/generic/pending-3.18/610-netfilter_match_bypass_default_checks.patch
deleted file mode 100644
index b96402fd3e..0000000000
--- a/target/linux/generic/pending-3.18/610-netfilter_match_bypass_default_checks.patch
+++ /dev/null
@@ -1,101 +0,0 @@
---- a/include/uapi/linux/netfilter_ipv4/ip_tables.h
-+++ b/include/uapi/linux/netfilter_ipv4/ip_tables.h
-@@ -87,6 +87,7 @@ struct ipt_ip {
- #define IPT_F_FRAG		0x01	/* Set if rule is a fragment rule */
- #define IPT_F_GOTO		0x02	/* Set if jump is a goto */
- #define IPT_F_MASK		0x03	/* All possible flag bits mask. */
-+#define IPT_F_NO_DEF_MATCH	0x80	/* Internal: no default match rules present */
- 
- /* Values for "inv" field in struct ipt_ip. */
- #define IPT_INV_VIA_IN		0x01	/* Invert the sense of IN IFACE. */
---- a/net/ipv4/netfilter/ip_tables.c
-+++ b/net/ipv4/netfilter/ip_tables.c
-@@ -82,6 +82,9 @@ ip_packet_match(const struct iphdr *ip,
- 
- #define FWINV(bool, invflg) ((bool) ^ !!(ipinfo->invflags & (invflg)))
- 
-+	if (ipinfo->flags & IPT_F_NO_DEF_MATCH)
-+		return true;
-+
- 	if (FWINV((ip->saddr&ipinfo->smsk.s_addr) != ipinfo->src.s_addr,
- 		  IPT_INV_SRCIP) ||
- 	    FWINV((ip->daddr&ipinfo->dmsk.s_addr) != ipinfo->dst.s_addr,
-@@ -135,6 +138,29 @@ ip_packet_match(const struct iphdr *ip,
- 	return true;
- }
- 
-+static void
-+ip_checkdefault(struct ipt_ip *ip)
-+{
-+	static const char iface_mask[IFNAMSIZ] = {};
-+
-+	if (ip->invflags || ip->flags & IPT_F_FRAG)
-+		return;
-+
-+	if (memcmp(ip->iniface_mask, iface_mask, IFNAMSIZ) != 0)
-+		return;
-+
-+	if (memcmp(ip->outiface_mask, iface_mask, IFNAMSIZ) != 0)
-+		return;
-+
-+	if (ip->smsk.s_addr || ip->dmsk.s_addr)
-+		return;
-+
-+	if (ip->proto)
-+		return;
-+
-+	ip->flags |= IPT_F_NO_DEF_MATCH;
-+}
-+
- static bool
- ip_checkentry(const struct ipt_ip *ip)
- {
-@@ -650,6 +676,8 @@ find_check_entry(struct ipt_entry *e, st
- 	struct xt_mtchk_param mtpar;
- 	struct xt_entry_match *ematch;
- 
-+	ip_checkdefault(&e->ip);
-+
- 	j = 0;
- 	memset(&mtpar, 0, sizeof(mtpar));
- 	mtpar.net	= net;
-@@ -943,6 +971,7 @@ copy_entries_to_user(unsigned int total_
- 	const struct xt_table_info *private = table->private;
- 	int ret = 0;
- 	const void *loc_cpu_entry;
-+	u8 flags;
- 
- 	counters = alloc_counters(table);
- 	if (IS_ERR(counters))
-@@ -974,6 +1003,14 @@ copy_entries_to_user(unsigned int total_
- 			goto free_counters;
- 		}
- 
-+		flags = e->ip.flags & IPT_F_MASK;
-+		if (copy_to_user(userptr + off
-+				 + offsetof(struct ipt_entry, ip.flags),
-+				 &flags, sizeof(flags)) != 0) {
-+			ret = -EFAULT;
-+			goto free_counters;
-+		}
-+
- 		for (i = sizeof(struct ipt_entry);
- 		     i < e->target_offset;
- 		     i += m->u.match_size) {
-@@ -1380,12 +1417,15 @@ compat_copy_entry_to_user(struct ipt_ent
- 	compat_uint_t origsize;
- 	const struct xt_entry_match *ematch;
- 	int ret = 0;
-+	u8 flags = e->ip.flags & IPT_F_MASK;
- 
- 	origsize = *size;
- 	ce = (struct compat_ipt_entry __user *)*dstptr;
- 	if (copy_to_user(ce, e, sizeof(struct ipt_entry)) != 0 ||
- 	    copy_to_user(&ce->counters, &counters[i],
--	    sizeof(counters[i])) != 0)
-+	    sizeof(counters[i])) != 0 ||
-+	    copy_to_user(&ce->ip.flags, &flags,
-+	    sizeof(flags)) != 0)
- 		return -EFAULT;
- 
- 	*dstptr += sizeof(struct compat_ipt_entry);