diff options
Diffstat (limited to 'package/kernel/mac80211/patches/007-revert-genetlink-changes.patch')
| -rw-r--r-- | package/kernel/mac80211/patches/007-revert-genetlink-changes.patch | 266 |
1 files changed, 266 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/007-revert-genetlink-changes.patch b/package/kernel/mac80211/patches/007-revert-genetlink-changes.patch new file mode 100644 index 0000000000..1a85106bc2 --- /dev/null +++ b/package/kernel/mac80211/patches/007-revert-genetlink-changes.patch @@ -0,0 +1,266 @@ +--- a/net/wireless/nl80211.c ++++ b/net/wireless/nl80211.c +@@ -32,8 +32,22 @@ static int nl80211_crypto_settings(struc + struct cfg80211_crypto_settings *settings, + int cipher_limit); + ++static int nl80211_pre_doit(const struct genl_ops *ops, struct sk_buff *skb, ++ struct genl_info *info); ++static void nl80211_post_doit(const struct genl_ops *ops, struct sk_buff *skb, ++ struct genl_info *info); ++ + /* the netlink family */ +-static struct genl_family nl80211_fam; ++static struct genl_family nl80211_fam = { ++ .id = GENL_ID_GENERATE, /* don't bother with a hardcoded ID */ ++ .name = NL80211_GENL_NAME, /* have users key off the name instead */ ++ .hdrsize = 0, /* no private header */ ++ .version = 1, /* no particular meaning now */ ++ .maxattr = NL80211_ATTR_MAX, ++ .netnsok = true, ++ .pre_doit = nl80211_pre_doit, ++ .post_doit = nl80211_post_doit, ++}; + + /* multicast groups */ + enum nl80211_multicast_groups { +@@ -549,14 +563,13 @@ static int nl80211_prepare_wdev_dump(str + + if (!cb->args[0]) { + err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize, +- genl_family_attrbuf(&nl80211_fam), +- nl80211_fam.maxattr, nl80211_policy); ++ nl80211_fam.attrbuf, nl80211_fam.maxattr, ++ nl80211_policy); + if (err) + goto out_unlock; + +- *wdev = __cfg80211_wdev_from_attrs( +- sock_net(skb->sk), +- genl_family_attrbuf(&nl80211_fam)); ++ *wdev = __cfg80211_wdev_from_attrs(sock_net(skb->sk), ++ nl80211_fam.attrbuf); + if (IS_ERR(*wdev)) { + err = PTR_ERR(*wdev); + goto out_unlock; +@@ -1903,7 +1916,7 @@ static int nl80211_dump_wiphy_parse(stru + struct netlink_callback *cb, + struct nl80211_dump_wiphy_state *state) + { +- struct nlattr **tb = genl_family_attrbuf(&nl80211_fam); ++ struct nlattr **tb = nl80211_fam.attrbuf; + int ret = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize, + tb, nl80211_fam.maxattr, nl80211_policy); + /* ignore parse errors for backward compatibility */ +@@ -7733,7 +7746,6 @@ static int nl80211_send_survey(struct sk + + static int nl80211_dump_survey(struct sk_buff *skb, struct netlink_callback *cb) + { +- struct nlattr **attrbuf = genl_family_attrbuf(&nl80211_fam); + struct survey_info survey; + struct cfg80211_registered_device *rdev; + struct wireless_dev *wdev; +@@ -7746,7 +7758,7 @@ static int nl80211_dump_survey(struct sk + return res; + + /* prepare_wdev_dump parsed the attributes */ +- radio_stats = attrbuf[NL80211_ATTR_SURVEY_RADIO_STATS]; ++ radio_stats = nl80211_fam.attrbuf[NL80211_ATTR_SURVEY_RADIO_STATS]; + + if (!wdev->netdev) { + res = -EINVAL; +@@ -8594,14 +8606,14 @@ static int nl80211_testmode_dump(struct + */ + phy_idx = cb->args[0] - 1; + } else { +- struct nlattr **attrbuf = genl_family_attrbuf(&nl80211_fam); +- + err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize, +- attrbuf, nl80211_fam.maxattr, nl80211_policy); ++ nl80211_fam.attrbuf, nl80211_fam.maxattr, ++ nl80211_policy); + if (err) + goto out_err; + +- rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk), attrbuf); ++ rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk), ++ nl80211_fam.attrbuf); + if (IS_ERR(rdev)) { + err = PTR_ERR(rdev); + goto out_err; +@@ -8609,8 +8621,9 @@ static int nl80211_testmode_dump(struct + phy_idx = rdev->wiphy_idx; + rdev = NULL; + +- if (attrbuf[NL80211_ATTR_TESTDATA]) +- cb->args[1] = (long)attrbuf[NL80211_ATTR_TESTDATA]; ++ if (nl80211_fam.attrbuf[NL80211_ATTR_TESTDATA]) ++ cb->args[1] = ++ (long)nl80211_fam.attrbuf[NL80211_ATTR_TESTDATA]; + } + + if (cb->args[1]) { +@@ -10814,7 +10827,8 @@ static int handle_nan_filter(struct nlat + + i = 0; + nla_for_each_nested(attr, attr_filter, rem) { +- filter[i].filter = nla_memdup(attr, GFP_KERNEL); ++ filter[i].filter = kmemdup(nla_data(attr), nla_len(attr), ++ GFP_KERNEL); + filter[i].len = nla_len(attr); + i++; + } +@@ -11450,7 +11464,6 @@ static int nl80211_prepare_vendor_dump(s + struct cfg80211_registered_device **rdev, + struct wireless_dev **wdev) + { +- struct nlattr **attrbuf = genl_family_attrbuf(&nl80211_fam); + u32 vid, subcmd; + unsigned int i; + int vcmd_idx = -1; +@@ -11486,28 +11499,31 @@ static int nl80211_prepare_vendor_dump(s + } + + err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize, +- attrbuf, nl80211_fam.maxattr, nl80211_policy); ++ nl80211_fam.attrbuf, nl80211_fam.maxattr, ++ nl80211_policy); + if (err) + goto out_unlock; + +- if (!attrbuf[NL80211_ATTR_VENDOR_ID] || +- !attrbuf[NL80211_ATTR_VENDOR_SUBCMD]) { ++ if (!nl80211_fam.attrbuf[NL80211_ATTR_VENDOR_ID] || ++ !nl80211_fam.attrbuf[NL80211_ATTR_VENDOR_SUBCMD]) { + err = -EINVAL; + goto out_unlock; + } + +- *wdev = __cfg80211_wdev_from_attrs(sock_net(skb->sk), attrbuf); ++ *wdev = __cfg80211_wdev_from_attrs(sock_net(skb->sk), ++ nl80211_fam.attrbuf); + if (IS_ERR(*wdev)) + *wdev = NULL; + +- *rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk), attrbuf); ++ *rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk), ++ nl80211_fam.attrbuf); + if (IS_ERR(*rdev)) { + err = PTR_ERR(*rdev); + goto out_unlock; + } + +- vid = nla_get_u32(attrbuf[NL80211_ATTR_VENDOR_ID]); +- subcmd = nla_get_u32(attrbuf[NL80211_ATTR_VENDOR_SUBCMD]); ++ vid = nla_get_u32(nl80211_fam.attrbuf[NL80211_ATTR_VENDOR_ID]); ++ subcmd = nla_get_u32(nl80211_fam.attrbuf[NL80211_ATTR_VENDOR_SUBCMD]); + + for (i = 0; i < (*rdev)->wiphy.n_vendor_commands; i++) { + const struct wiphy_vendor_command *vcmd; +@@ -11531,9 +11547,9 @@ static int nl80211_prepare_vendor_dump(s + goto out_unlock; + } + +- if (attrbuf[NL80211_ATTR_VENDOR_DATA]) { +- data = nla_data(attrbuf[NL80211_ATTR_VENDOR_DATA]); +- data_len = nla_len(attrbuf[NL80211_ATTR_VENDOR_DATA]); ++ if (nl80211_fam.attrbuf[NL80211_ATTR_VENDOR_DATA]) { ++ data = nla_data(nl80211_fam.attrbuf[NL80211_ATTR_VENDOR_DATA]); ++ data_len = nla_len(nl80211_fam.attrbuf[NL80211_ATTR_VENDOR_DATA]); + } + + /* 0 is the first index - add 1 to parse only once */ +@@ -12795,21 +12811,6 @@ static __genl_const struct genl_ops nl80 + }, + }; + +-static struct genl_family nl80211_fam __ro_after_init = { +- .name = NL80211_GENL_NAME, /* have users key off the name instead */ +- .hdrsize = 0, /* no private header */ +- .version = 1, /* no particular meaning now */ +- .maxattr = NL80211_ATTR_MAX, +- .netnsok = true, +- .pre_doit = nl80211_pre_doit, +- .post_doit = nl80211_post_doit, +- .module = THIS_MODULE, +- .ops = nl80211_ops, +- .n_ops = ARRAY_SIZE(nl80211_ops), +- .mcgrps = nl80211_mcgrps, +- .n_mcgrps = ARRAY_SIZE(nl80211_mcgrps), +-}; +- + /* notification functions */ + + void nl80211_notify_wiphy(struct cfg80211_registered_device *rdev, +@@ -14759,11 +14760,12 @@ void nl80211_send_ap_stopped(struct wire + + /* initialisation/exit functions */ + +-int __init nl80211_init(void) ++int nl80211_init(void) + { + int err; + +- err = genl_register_family(&nl80211_fam); ++ err = genl_register_family_with_ops_groups(&nl80211_fam, nl80211_ops, ++ nl80211_mcgrps); + if (err) + return err; + +--- a/drivers/net/wireless/mac80211_hwsim.c ++++ b/drivers/net/wireless/mac80211_hwsim.c +@@ -587,8 +587,15 @@ struct hwsim_radiotap_ack_hdr { + __le16 rt_chbitmask; + } __packed; + +-/* MAC80211_HWSIM netlink family */ +-static struct genl_family hwsim_genl_family; ++/* MAC80211_HWSIM netlinf family */ ++static struct genl_family hwsim_genl_family = { ++ .id = GENL_ID_GENERATE, ++ .hdrsize = 0, ++ .name = "MAC80211_HWSIM", ++ .version = 1, ++ .maxattr = HWSIM_ATTR_MAX, ++ .netnsok = true, ++}; + + enum hwsim_multicast_groups { + HWSIM_MCGRP_CONFIG, +@@ -3250,18 +3257,6 @@ static __genl_const struct genl_ops hwsi + }, + }; + +-static struct genl_family hwsim_genl_family __ro_after_init = { +- .name = "MAC80211_HWSIM", +- .version = 1, +- .maxattr = HWSIM_ATTR_MAX, +- .netnsok = true, +- .module = THIS_MODULE, +- .ops = hwsim_ops, +- .n_ops = ARRAY_SIZE(hwsim_ops), +- .mcgrps = hwsim_mcgrps, +- .n_mcgrps = ARRAY_SIZE(hwsim_mcgrps), +-}; +- + static void destroy_radio(struct work_struct *work) + { + struct mac80211_hwsim_data *data = +@@ -3309,13 +3304,15 @@ static struct notifier_block hwsim_netli + .notifier_call = mac80211_hwsim_netlink_notify, + }; + +-static int __init hwsim_init_netlink(void) ++static int hwsim_init_netlink(void) + { + int rc; + + printk(KERN_INFO "mac80211_hwsim: initializing netlink\n"); + +- rc = genl_register_family(&hwsim_genl_family); ++ rc = genl_register_family_with_ops_groups(&hwsim_genl_family, ++ hwsim_ops, ++ hwsim_mcgrps); + if (rc) + goto failure; + |