diff options
Diffstat (limited to 'net/wireless/nl80211.c')
| -rw-r--r-- | net/wireless/nl80211.c | 182 |
1 files changed, 151 insertions, 31 deletions
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index fc83dd179c1a..1a107f29016b 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -281,7 +281,16 @@ nl80211_pmsr_attr_policy[NL80211_PMSR_ATTR_MAX + 1] = { NLA_POLICY_NESTED_ARRAY(nl80211_psmr_peer_attr_policy), }; +static const struct nla_policy +he_obss_pd_policy[NL80211_HE_OBSS_PD_ATTR_MAX + 1] = { + [NL80211_HE_OBSS_PD_ATTR_MIN_OFFSET] = + NLA_POLICY_RANGE(NLA_U8, 1, 20), + [NL80211_HE_OBSS_PD_ATTR_MAX_OFFSET] = + NLA_POLICY_RANGE(NLA_U8, 1, 20), +}; + const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = { + [0] = { .strict_start_type = NL80211_ATTR_HE_OBSS_PD }, [NL80211_ATTR_WIPHY] = { .type = NLA_U32 }, [NL80211_ATTR_WIPHY_NAME] = { .type = NLA_NUL_STRING, .len = 20-1 }, @@ -574,6 +583,7 @@ const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = { [NL80211_ATTR_SAE_PASSWORD] = { .type = NLA_BINARY, .len = SAE_PASSWORD_MAX_LEN }, [NL80211_ATTR_TWT_RESPONDER] = { .type = NLA_FLAG }, + [NL80211_ATTR_HE_OBSS_PD] = NLA_POLICY_NESTED(he_obss_pd_policy), }; /* policy for the key attributes */ @@ -749,17 +759,25 @@ int nl80211_prepare_wdev_dump(struct netlink_callback *cb, int err; if (!cb->args[0]) { + struct nlattr **attrbuf; + + attrbuf = kcalloc(NUM_NL80211_ATTR, sizeof(*attrbuf), + GFP_KERNEL); + if (!attrbuf) + return -ENOMEM; + err = nlmsg_parse_deprecated(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize, - genl_family_attrbuf(&nl80211_fam), - nl80211_fam.maxattr, + attrbuf, nl80211_fam.maxattr, nl80211_policy, NULL); - if (err) + if (err) { + kfree(attrbuf); return err; + } - *wdev = __cfg80211_wdev_from_attrs( - sock_net(cb->skb->sk), - genl_family_attrbuf(&nl80211_fam)); + *wdev = __cfg80211_wdev_from_attrs(sock_net(cb->skb->sk), + attrbuf); + kfree(attrbuf); if (IS_ERR(*wdev)) return PTR_ERR(*wdev); *rdev = wiphy_to_rdev((*wdev)->wiphy); @@ -2172,6 +2190,30 @@ static int nl80211_send_wiphy(struct cfg80211_registered_device *rdev, rdev->wiphy.vht_capa_mod_mask)) goto nla_put_failure; + if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, + rdev->wiphy.perm_addr)) + goto nla_put_failure; + + if (!is_zero_ether_addr(rdev->wiphy.addr_mask) && + nla_put(msg, NL80211_ATTR_MAC_MASK, ETH_ALEN, + rdev->wiphy.addr_mask)) + goto nla_put_failure; + + if (rdev->wiphy.n_addresses > 1) { + void *attr; + + attr = nla_nest_start(msg, NL80211_ATTR_MAC_ADDRS); + if (!attr) + goto nla_put_failure; + + for (i = 0; i < rdev->wiphy.n_addresses; i++) + if (nla_put(msg, i + 1, ETH_ALEN, + rdev->wiphy.addresses[i].addr)) + goto nla_put_failure; + + nla_nest_end(msg, attr); + } + state->split_start++; break; case 10: @@ -2366,14 +2408,21 @@ static int nl80211_dump_wiphy_parse(struct sk_buff *skb, struct netlink_callback *cb, struct nl80211_dump_wiphy_state *state) { - struct nlattr **tb = genl_family_attrbuf(&nl80211_fam); - int ret = nlmsg_parse_deprecated(cb->nlh, - GENL_HDRLEN + nl80211_fam.hdrsize, - tb, nl80211_fam.maxattr, - nl80211_policy, NULL); + struct nlattr **tb = kcalloc(NUM_NL80211_ATTR, sizeof(*tb), GFP_KERNEL); + int ret; + + if (!tb) + return -ENOMEM; + + ret = nlmsg_parse_deprecated(cb->nlh, + GENL_HDRLEN + nl80211_fam.hdrsize, + tb, nl80211_fam.maxattr, + nl80211_policy, NULL); /* ignore parse errors for backward compatibility */ - if (ret) - return 0; + if (ret) { + ret = 0; + goto out; + } state->split = tb[NL80211_ATTR_SPLIT_WIPHY_DUMP]; if (tb[NL80211_ATTR_WIPHY]) @@ -2386,8 +2435,10 @@ static int nl80211_dump_wiphy_parse(struct sk_buff *skb, int ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]); netdev = __dev_get_by_index(sock_net(skb->sk), ifidx); - if (!netdev) - return -ENODEV; + if (!netdev) { + ret = -ENODEV; + goto out; + } if (netdev->ieee80211_ptr) { rdev = wiphy_to_rdev( netdev->ieee80211_ptr->wiphy); @@ -2395,7 +2446,10 @@ static int nl80211_dump_wiphy_parse(struct sk_buff *skb, } } - return 0; + ret = 0; +out: + kfree(tb); + return ret; } static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb) @@ -4361,6 +4415,34 @@ static int nl80211_parse_beacon(struct cfg80211_registered_device *rdev, return 0; } +static int nl80211_parse_he_obss_pd(struct nlattr *attrs, + struct ieee80211_he_obss_pd *he_obss_pd) +{ + struct nlattr *tb[NL80211_HE_OBSS_PD_ATTR_MAX + 1]; + int err; + + err = nla_parse_nested(tb, NL80211_HE_OBSS_PD_ATTR_MAX, attrs, + he_obss_pd_policy, NULL); + if (err) + return err; + + if (!tb[NL80211_HE_OBSS_PD_ATTR_MIN_OFFSET] || + !tb[NL80211_HE_OBSS_PD_ATTR_MAX_OFFSET]) + return -EINVAL; + + he_obss_pd->min_offset = + nla_get_u32(tb[NL80211_HE_OBSS_PD_ATTR_MIN_OFFSET]); + he_obss_pd->max_offset = + nla_get_u32(tb[NL80211_HE_OBSS_PD_ATTR_MAX_OFFSET]); + + if (he_obss_pd->min_offset >= he_obss_pd->max_offset) + return -EINVAL; + + he_obss_pd->enable = true; + + return 0; +} + static void nl80211_check_ap_rate_selectors(struct cfg80211_ap_settings *params, const u8 *rates) { @@ -4645,6 +4727,14 @@ static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info) params.twt_responder = nla_get_flag(info->attrs[NL80211_ATTR_TWT_RESPONDER]); + if (info->attrs[NL80211_ATTR_HE_OBSS_PD]) { + err = nl80211_parse_he_obss_pd( + info->attrs[NL80211_ATTR_HE_OBSS_PD], + ¶ms.he_obss_pd); + if (err) + return err; + } + nl80211_calculate_ap_params(¶ms); if (info->attrs[NL80211_ATTR_EXTERNAL_AUTH_SUPPORT]) @@ -8700,7 +8790,7 @@ static int nl80211_send_survey(struct sk_buff *msg, u32 portid, u32 seq, static int nl80211_dump_survey(struct sk_buff *skb, struct netlink_callback *cb) { - struct nlattr **attrbuf = genl_family_attrbuf(&nl80211_fam); + struct nlattr **attrbuf; struct survey_info survey; struct cfg80211_registered_device *rdev; struct wireless_dev *wdev; @@ -8708,6 +8798,10 @@ static int nl80211_dump_survey(struct sk_buff *skb, struct netlink_callback *cb) int res; bool radio_stats; + attrbuf = kcalloc(NUM_NL80211_ATTR, sizeof(*attrbuf), GFP_KERNEL); + if (!attrbuf) + return -ENOMEM; + rtnl_lock(); res = nl80211_prepare_wdev_dump(cb, &rdev, &wdev); if (res) @@ -8752,6 +8846,7 @@ static int nl80211_dump_survey(struct sk_buff *skb, struct netlink_callback *cb) cb->args[2] = survey_idx; res = skb->len; out_err: + kfree(attrbuf); rtnl_unlock(); return res; } @@ -9611,6 +9706,7 @@ static int nl80211_testmode_dump(struct sk_buff *skb, struct netlink_callback *cb) { struct cfg80211_registered_device *rdev; + struct nlattr **attrbuf = NULL; int err; long phy_idx; void *data = NULL; @@ -9631,7 +9727,12 @@ static int nl80211_testmode_dump(struct sk_buff *skb, goto out_err; } } else { - struct nlattr **attrbuf = genl_family_attrbuf(&nl80211_fam); + attrbuf = kcalloc(NUM_NL80211_ATTR, sizeof(*attrbuf), + GFP_KERNEL); + if (!attrbuf) { + err = -ENOMEM; + goto out_err; + } err = nlmsg_parse_deprecated(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize, @@ -9698,6 +9799,7 @@ static int nl80211_testmode_dump(struct sk_buff *skb, /* see above */ cb->args[0] = phy_idx + 1; out_err: + kfree(attrbuf); rtnl_unlock(); return err; } @@ -12791,7 +12893,7 @@ static int nl80211_prepare_vendor_dump(struct sk_buff *skb, struct cfg80211_registered_device **rdev, struct wireless_dev **wdev) { - struct nlattr **attrbuf = genl_family_attrbuf(&nl80211_fam); + struct nlattr **attrbuf; u32 vid, subcmd; unsigned int i; int vcmd_idx = -1; @@ -12822,24 +12924,32 @@ static int nl80211_prepare_vendor_dump(struct sk_buff *skb, return 0; } + attrbuf = kcalloc(NUM_NL80211_ATTR, sizeof(*attrbuf), GFP_KERNEL); + if (!attrbuf) + return -ENOMEM; + err = nlmsg_parse_deprecated(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize, attrbuf, nl80211_fam.maxattr, nl80211_policy, NULL); if (err) - return err; + goto out; if (!attrbuf[NL80211_ATTR_VENDOR_ID] || - !attrbuf[NL80211_ATTR_VENDOR_SUBCMD]) - return -EINVAL; + !attrbuf[NL80211_ATTR_VENDOR_SUBCMD]) { + err = -EINVAL; + goto out; + } *wdev = __cfg80211_wdev_from_attrs(sock_net(skb->sk), attrbuf); if (IS_ERR(*wdev)) *wdev = NULL; *rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk), attrbuf); - if (IS_ERR(*rdev)) - return PTR_ERR(*rdev); + if (IS_ERR(*rdev)) { + err = PTR_ERR(*rdev); + goto out; + } vid = nla_get_u32(attrbuf[NL80211_ATTR_VENDOR_ID]); subcmd = nla_get_u32(attrbuf[NL80211_ATTR_VENDOR_SUBCMD]); @@ -12852,15 +12962,19 @@ static int nl80211_prepare_vendor_dump(struct sk_buff *skb, if (vcmd->info.vendor_id != vid || vcmd->info.subcmd != subcmd) continue; - if (!vcmd->dumpit) - return -EOPNOTSUPP; + if (!vcmd->dumpit) { + err = -EOPNOTSUPP; + goto out; + } vcmd_idx = i; break; } - if (vcmd_idx < 0) - return -EOPNOTSUPP; + if (vcmd_idx < 0) { + err = -EOPNOTSUPP; + goto out; + } if (attrbuf[NL80211_ATTR_VENDOR_DATA]) { data = nla_data(attrbuf[NL80211_ATTR_VENDOR_DATA]); @@ -12871,7 +12985,7 @@ static int nl80211_prepare_vendor_dump(struct sk_buff *skb, attrbuf[NL80211_ATTR_VENDOR_DATA], cb->extack); if (err) - return err; + goto out; } /* 0 is the first index - add 1 to parse only once */ @@ -12883,7 +12997,10 @@ static int nl80211_prepare_vendor_dump(struct sk_buff *skb, cb->args[4] = data_len; /* keep rtnl locked in successful case */ - return 0; + err = 0; +out: + kfree(attrbuf); + return err; } static int nl80211_vendor_cmd_dump(struct sk_buff *skb, @@ -14561,6 +14678,7 @@ static struct genl_family nl80211_fam __ro_after_init = { .n_ops = ARRAY_SIZE(nl80211_ops), .mcgrps = nl80211_mcgrps, .n_mcgrps = ARRAY_SIZE(nl80211_mcgrps), + .parallel_ops = true, }; /* notification functions */ @@ -16092,7 +16210,9 @@ void cfg80211_ch_switch_notify(struct net_device *dev, if (wdev->iftype == NL80211_IFTYPE_STATION && !WARN_ON(!wdev->current_bss)) - wdev->current_bss->pub.channel = chandef->chan; + cfg80211_update_assoc_bss_entry(wdev, chandef->chan); + + cfg80211_sched_dfs_chan_update(rdev); nl80211_ch_switch_notify(rdev, dev, chandef, GFP_KERNEL, NL80211_CMD_CH_SWITCH_NOTIFY, 0); |