diff options
Diffstat (limited to 'net/wireless/nl80211.c')
-rw-r--r-- | net/wireless/nl80211.c | 160 |
1 files changed, 141 insertions, 19 deletions
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index 04681a46eda..b4f40fe84a0 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -53,6 +53,7 @@ enum nl80211_multicast_groups { NL80211_MCGRP_SCAN, NL80211_MCGRP_REGULATORY, NL80211_MCGRP_MLME, + NL80211_MCGRP_VENDOR, NL80211_MCGRP_TESTMODE /* keep last - ifdef! */ }; @@ -61,6 +62,7 @@ static const struct genl_multicast_group nl80211_mcgrps[] = { [NL80211_MCGRP_SCAN] = { .name = "scan", }, [NL80211_MCGRP_REGULATORY] = { .name = "regulatory", }, [NL80211_MCGRP_MLME] = { .name = "mlme", }, + [NL80211_MCGRP_VENDOR] = { .name = "vendor", }, #ifdef CONFIG_NL80211_TESTMODE [NL80211_MCGRP_TESTMODE] = { .name = "testmode", } #endif @@ -380,6 +382,8 @@ static const struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] = { [NL80211_ATTR_VENDOR_ID] = { .type = NLA_U32 }, [NL80211_ATTR_VENDOR_SUBCMD] = { .type = NLA_U32 }, [NL80211_ATTR_VENDOR_DATA] = { .type = NLA_BINARY }, + [NL80211_ATTR_QOS_MAP] = { .type = NLA_BINARY, + .len = IEEE80211_QOS_MAP_LEN_MAX }, }; /* policy for the key attributes */ @@ -1188,7 +1192,6 @@ static int nl80211_send_wiphy(struct cfg80211_registered_device *dev, struct nlattr *nl_bands, *nl_band; struct nlattr *nl_freqs, *nl_freq; struct nlattr *nl_cmds; - struct nlattr *nl_vendor_cmds; enum ieee80211_band band; struct ieee80211_channel *chan; int i; @@ -1455,6 +1458,7 @@ static int nl80211_send_wiphy(struct cfg80211_registered_device *dev, if (dev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH) CMD(channel_switch, CHANNEL_SWITCH); } + CMD(set_qos_map, SET_QOS_MAP); #ifdef CONFIG_NL80211_TESTMODE CMD(testmode_cmd, TESTMODE); @@ -1587,16 +1591,38 @@ static int nl80211_send_wiphy(struct cfg80211_registered_device *dev, state->split_start++; break; case 11: - nl_vendor_cmds = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA); - if (!nl_vendor_cmds) - goto nla_put_failure; + if (dev->wiphy.n_vendor_commands) { + const struct nl80211_vendor_cmd_info *info; + struct nlattr *nested; + + nested = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA); + if (!nested) + goto nla_put_failure; + + for (i = 0; i < dev->wiphy.n_vendor_commands; i++) { + info = &dev->wiphy.vendor_commands[i].info; + if (nla_put(msg, i + 1, sizeof(*info), info)) + goto nla_put_failure; + } + nla_nest_end(msg, nested); + } + + if (dev->wiphy.n_vendor_events) { + const struct nl80211_vendor_cmd_info *info; + struct nlattr *nested; - for (i = 0; i < dev->wiphy.n_vendor_commands; i++) - if (nla_put(msg, i + 1, - sizeof(struct nl80211_vendor_cmd_info), - &dev->wiphy.vendor_commands[i].info)) + nested = nla_nest_start(msg, + NL80211_ATTR_VENDOR_EVENTS); + if (!nested) goto nla_put_failure; - nla_nest_end(msg, nl_vendor_cmds); + + for (i = 0; i < dev->wiphy.n_vendor_events; i++) { + info = &dev->wiphy.vendor_events[i]; + if (nla_put(msg, i + 1, sizeof(*info), info)) + goto nla_put_failure; + } + nla_nest_end(msg, nested); + } /* done */ state->split_start = 0; @@ -6726,7 +6752,9 @@ static struct sk_buff * __cfg80211_alloc_vendor_skb(struct cfg80211_registered_device *rdev, int approxlen, u32 portid, u32 seq, enum nl80211_commands cmd, - enum nl80211_attrs attr, gfp_t gfp) + enum nl80211_attrs attr, + const struct nl80211_vendor_cmd_info *info, + gfp_t gfp) { struct sk_buff *skb; void *hdr; @@ -6744,6 +6772,16 @@ __cfg80211_alloc_vendor_skb(struct cfg80211_registered_device *rdev, if (nla_put_u32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx)) goto nla_put_failure; + + if (info) { + if (nla_put_u32(skb, NL80211_ATTR_VENDOR_ID, + info->vendor_id)) + goto nla_put_failure; + if (nla_put_u32(skb, NL80211_ATTR_VENDOR_SUBCMD, + info->subcmd)) + goto nla_put_failure; + } + data = nla_nest_start(skb, attr); ((void **)skb->cb)[0] = rdev; @@ -6884,29 +6922,54 @@ static int nl80211_testmode_dump(struct sk_buff *skb, return err; } -struct sk_buff *cfg80211_testmode_alloc_event_skb(struct wiphy *wiphy, - int approxlen, gfp_t gfp) +struct sk_buff *__cfg80211_alloc_event_skb(struct wiphy *wiphy, + enum nl80211_commands cmd, + enum nl80211_attrs attr, + int vendor_event_idx, + int approxlen, gfp_t gfp) { struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); + const struct nl80211_vendor_cmd_info *info; + + switch (cmd) { + case NL80211_CMD_TESTMODE: + if (WARN_ON(vendor_event_idx != -1)) + return NULL; + info = NULL; + break; + case NL80211_CMD_VENDOR: + if (WARN_ON(vendor_event_idx < 0 || + vendor_event_idx >= wiphy->n_vendor_events)) + return NULL; + info = &wiphy->vendor_events[vendor_event_idx]; + break; + default: + WARN_ON(1); + return NULL; + } return __cfg80211_alloc_vendor_skb(rdev, approxlen, 0, 0, - NL80211_CMD_TESTMODE, - NL80211_ATTR_TESTDATA, gfp); + cmd, attr, info, gfp); } -EXPORT_SYMBOL(cfg80211_testmode_alloc_event_skb); +EXPORT_SYMBOL(__cfg80211_alloc_event_skb); -void cfg80211_testmode_event(struct sk_buff *skb, gfp_t gfp) +void __cfg80211_send_event_skb(struct sk_buff *skb, gfp_t gfp) { struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0]; void *hdr = ((void **)skb->cb)[1]; struct nlattr *data = ((void **)skb->cb)[2]; + enum nl80211_multicast_groups mcgrp = NL80211_MCGRP_TESTMODE; nla_nest_end(skb, data); genlmsg_end(skb, hdr); + + if (data->nla_type == NL80211_ATTR_VENDOR_DATA) + mcgrp = NL80211_MCGRP_VENDOR; + genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), skb, 0, - NL80211_MCGRP_TESTMODE, gfp); + mcgrp, gfp); } -EXPORT_SYMBOL(cfg80211_testmode_event); +EXPORT_SYMBOL(__cfg80211_send_event_skb); #endif static int nl80211_connect(struct sk_buff *skb, struct genl_info *info) @@ -9039,7 +9102,7 @@ struct sk_buff *__cfg80211_alloc_reply_skb(struct wiphy *wiphy, return __cfg80211_alloc_vendor_skb(rdev, approxlen, rdev->cur_cmd_info->snd_portid, rdev->cur_cmd_info->snd_seq, - cmd, attr, GFP_KERNEL); + cmd, attr, NULL, GFP_KERNEL); } EXPORT_SYMBOL(__cfg80211_alloc_reply_skb); @@ -9061,6 +9124,57 @@ int cfg80211_vendor_cmd_reply(struct sk_buff *skb) EXPORT_SYMBOL_GPL(cfg80211_vendor_cmd_reply); +static int nl80211_set_qos_map(struct sk_buff *skb, + struct genl_info *info) +{ + struct cfg80211_registered_device *rdev = info->user_ptr[0]; + struct cfg80211_qos_map *qos_map = NULL; + struct net_device *dev = info->user_ptr[1]; + u8 *pos, len, num_des, des_len, des; + int ret; + + if (!rdev->ops->set_qos_map) + return -EOPNOTSUPP; + + if (info->attrs[NL80211_ATTR_QOS_MAP]) { + pos = nla_data(info->attrs[NL80211_ATTR_QOS_MAP]); + len = nla_len(info->attrs[NL80211_ATTR_QOS_MAP]); + + if (len % 2 || len < IEEE80211_QOS_MAP_LEN_MIN || + len > IEEE80211_QOS_MAP_LEN_MAX) + return -EINVAL; + + qos_map = kzalloc(sizeof(struct cfg80211_qos_map), GFP_KERNEL); + if (!qos_map) + return -ENOMEM; + + num_des = (len - IEEE80211_QOS_MAP_LEN_MIN) >> 1; + if (num_des) { + des_len = num_des * + sizeof(struct cfg80211_dscp_exception); + memcpy(qos_map->dscp_exception, pos, des_len); + qos_map->num_des = num_des; + for (des = 0; des < num_des; des++) { + if (qos_map->dscp_exception[des].up > 7) { + kfree(qos_map); + return -EINVAL; + } + } + pos += des_len; + } + memcpy(qos_map->up, pos, IEEE80211_QOS_MAP_LEN_MIN); + } + + wdev_lock(dev->ieee80211_ptr); + ret = nl80211_key_allowed(dev->ieee80211_ptr); + if (!ret) + ret = rdev_set_qos_map(rdev, dev, qos_map); + wdev_unlock(dev->ieee80211_ptr); + + kfree(qos_map); + return ret; +} + #define NL80211_FLAG_NEED_WIPHY 0x01 #define NL80211_FLAG_NEED_NETDEV 0x02 #define NL80211_FLAG_NEED_RTNL 0x04 @@ -9793,6 +9907,14 @@ static const struct genl_ops nl80211_ops[] = { .internal_flags = NL80211_FLAG_NEED_WIPHY | NL80211_FLAG_NEED_RTNL, }, + { + .cmd = NL80211_CMD_SET_QOS_MAP, + .doit = nl80211_set_qos_map, + .policy = nl80211_policy, + .flags = GENL_ADMIN_PERM, + .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | + NL80211_FLAG_NEED_RTNL, + }, }; /* notification functions */ |