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-rw-r--r--package/mac80211/patches/020-nl80211_backport.patch190
1 files changed, 190 insertions, 0 deletions
diff --git a/package/mac80211/patches/020-nl80211_backport.patch b/package/mac80211/patches/020-nl80211_backport.patch
new file mode 100644
index 000000000..5d6fbc405
--- /dev/null
+++ b/package/mac80211/patches/020-nl80211_backport.patch
@@ -0,0 +1,190 @@
+--- a/include/linux/compat-2.6.37.h
++++ b/include/linux/compat-2.6.37.h
+@@ -45,6 +45,68 @@ static inline void skb_checksum_none_ass
+
+ #define pcmcia_enable_device(link) pcmcia_request_configuration(link, &link->conf)
+
++#include <net/genetlink.h>
++
++struct compat_genl_info {
++ struct genl_info *info;
++
++ u32 snd_seq;
++ u32 snd_pid;
++ struct genlmsghdr *genlhdr;
++ struct nlattr **attrs;
++ void *user_ptr[2];
++};
++#define genl_info compat_genl_info
++
++struct compat_genl_ops {
++ struct genl_ops ops;
++
++ u8 cmd;
++ u8 internal_flags;
++ unsigned int flags;
++ const struct nla_policy *policy;
++
++ int (*doit)(struct sk_buff *skb, struct genl_info *info);
++ int (*dumpit)(struct sk_buff *skb, struct netlink_callback *cb);
++ int (*done)(struct netlink_callback *cb);
++};
++#define genl_ops compat_genl_ops
++
++struct compat_genl_family {
++ struct genl_family family;
++
++ struct list_head list;
++
++ unsigned int id, hdrsize, version, maxattr;
++ const char *name;
++ bool netnsok;
++
++ struct nlattr **attrbuf;
++
++ int (*pre_doit)(struct genl_ops *ops, struct sk_buff *skb,
++ struct genl_info *info);
++
++ void (*post_doit)(struct genl_ops *ops, struct sk_buff *skb,
++ struct genl_info *info);
++};
++
++#define genl_family compat_genl_family
++
++#define genl_register_family_with_ops compat_genl_register_family_with_ops
++
++int genl_register_family_with_ops(struct genl_family *family,
++ struct genl_ops *ops, size_t n_ops);
++
++#define genl_unregister_family compat_genl_unregister_family
++
++int genl_unregister_family(struct genl_family *family);
++
++#define genl_info_net(_info) genl_info_net((_info)->info)
++#define genlmsg_reply(_msg, _info) genlmsg_reply(_msg, (_info)->info)
++#define genlmsg_put(_skb, _pid, _seq, _fam, _flags, _cmd) genlmsg_put(_skb, _pid, _seq, &(_fam)->family, _flags, _cmd)
++#define genl_register_mc_group(_fam, _grp) genl_register_mc_group(&(_fam)->family, _grp)
++#define genl_unregister_mc_group(_fam, _grp) genl_unregister_mc_group(&(_fam)->family, _grp)
++
+ #endif /* (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,37)) */
+
+ #endif /* LINUX_26_37_COMPAT_H */
+--- a/compat/compat-2.6.37.c
++++ b/compat/compat-2.6.37.c
+@@ -42,4 +42,116 @@ EXPORT_SYMBOL_GPL(net_ns_type_operations
+
+ #endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35)*/
+
++#undef genl_info
++#undef genl_unregister_family
++
++static LIST_HEAD(compat_nl_fam);
++
++static struct genl_ops *genl_get_cmd(u8 cmd, struct genl_family *family)
++{
++ struct genl_ops *ops;
++
++ list_for_each_entry(ops, &family->family.ops_list, ops.ops_list)
++ if (ops->cmd == cmd)
++ return ops;
++
++ return NULL;
++}
++
++
++static int nl_doit_wrapper(struct sk_buff *skb, struct genl_info *info)
++{
++ struct compat_genl_info compat_info;
++ struct genl_family *family;
++ struct genl_ops *ops;
++ int err;
++
++ list_for_each_entry(family, &compat_nl_fam, list) {
++ if (family->id == info->nlhdr->nlmsg_type)
++ goto found;
++ }
++ return -ENOENT;
++
++found:
++ ops = genl_get_cmd(info->genlhdr->cmd, family);
++ if (!ops)
++ return -ENOENT;
++
++ memset(&compat_info.user_ptr, 0, sizeof(compat_info.user_ptr));
++ compat_info.info = info;
++#define __copy(_field) compat_info._field = info->_field
++ __copy(snd_seq);
++ __copy(snd_pid);
++ __copy(genlhdr);
++ __copy(attrs);
++#undef __copy
++ if (family->pre_doit) {
++ err = family->pre_doit(ops, skb, &compat_info);
++ if (err)
++ return err;
++ }
++
++ err = ops->doit(skb, &compat_info);
++
++ if (family->post_doit)
++ family->post_doit(ops, skb, &compat_info);
++
++ return err;
++}
++
++int compat_genl_register_family_with_ops(struct genl_family *family,
++ struct genl_ops *ops, size_t n_ops)
++{
++ int i, ret;
++
++#define __copy(_field) family->family._field = family->_field
++ __copy(id);
++ __copy(hdrsize);
++ __copy(version);
++ __copy(maxattr);
++ strncpy(family->family.name, family->name, sizeof(family->family.name));
++#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,32))
++ __copy(netnsok);
++#endif
++#undef __copy
++
++ ret = genl_register_family(&family->family);
++ if (ret < 0)
++ return ret;
++
++ family->attrbuf = family->family.attrbuf;
++ family->id = family->family.id;
++
++ for (i = 0; i < n_ops; i++) {
++#define __copy(_field) ops[i].ops._field = ops[i]._field
++ __copy(cmd);
++ __copy(flags);
++ __copy(policy);
++ __copy(dumpit);
++ __copy(done);
++#undef __copy
++ ops[i].ops.doit = nl_doit_wrapper;
++ ret = genl_register_ops(&family->family, &ops[i].ops);
++ if (ret < 0)
++ goto error_ops;
++ }
++ list_add(&family->list, &compat_nl_fam);
++
++ return ret;
++
++error_ops:
++ compat_genl_unregister_family(family);
++ return ret;
++}
++EXPORT_SYMBOL(compat_genl_register_family_with_ops);
++
++int compat_genl_unregister_family(struct genl_family *family)
++{
++ int err;
++ err = genl_unregister_family(&family->family);
++ list_del(&family->list);
++ return err;
++}
++EXPORT_SYMBOL(compat_genl_unregister_family);
++
+ #endif /* LINUX_VERSION_CODE < KERNEL_VERSION(2,6,37) */