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Merge tag 'mac80211-next-for-net-next-2020-02-14' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next

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Johannes Berg says:

====================
A few big new things:
 * 802.11 frame encapsulation offload support
 * more HE (802.11ax) support, including some for 6 GHz band
 * powersave in hwsim, for better testing

Of course as usual there are various cleanups and small fixes.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller
2020-02-16 19:00:22 -08:00
parent 1e5946f5f7 1f6e0baa70
commit ddb535a6a0
35 changed files with 1078 additions and 338 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
net/wireless/core.h
View File

@@ -385,7 +385,7 @@ void cfg80211_mlme_down(struct cfg80211_registered_device *rdev,
struct net_device *dev);
int cfg80211_mlme_register_mgmt(struct wireless_dev *wdev, u32 snd_pid,
u16 frame_type, const u8 *match_data,
int match_len);
int match_len, struct netlink_ext_ack *extack);
void cfg80211_mlme_unreg_wk(struct work_struct *wk);
void cfg80211_mlme_unregister_socket(struct wireless_dev *wdev, u32 nlpid);
void cfg80211_mlme_purge_registrations(struct wireless_dev *wdev);

33
net/wireless/mlme.c
View File

@@ -4,6 +4,7 @@
*
* Copyright (c) 2009, Jouni Malinen <j@w1.fi>
* Copyright (c) 2015 Intel Deutschland GmbH
* Copyright (C) 2019 Intel Corporation
*/
#include <linux/kernel.h>
@@ -470,7 +471,7 @@ void cfg80211_mlme_unreg_wk(struct work_struct *wk)
int cfg80211_mlme_register_mgmt(struct wireless_dev *wdev, u32 snd_portid,
u16 frame_type, const u8 *match_data,
int match_len)
int match_len, struct netlink_ext_ack *extack)
{
struct wiphy *wiphy = wdev->wiphy;
struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
@@ -481,15 +482,38 @@ int cfg80211_mlme_register_mgmt(struct wireless_dev *wdev, u32 snd_portid,
if (!wdev->wiphy->mgmt_stypes)
return -EOPNOTSUPP;
if ((frame_type & IEEE80211_FCTL_FTYPE) != IEEE80211_FTYPE_MGMT)
if ((frame_type & IEEE80211_FCTL_FTYPE) != IEEE80211_FTYPE_MGMT) {
NL_SET_ERR_MSG(extack, "frame type not management");
return -EINVAL;
}
if (frame_type & ~(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE))
if (frame_type & ~(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) {
NL_SET_ERR_MSG(extack, "Invalid frame type");
return -EINVAL;
}
mgmt_type = (frame_type & IEEE80211_FCTL_STYPE) >> 4;
if (!(wdev->wiphy->mgmt_stypes[wdev->iftype].rx & BIT(mgmt_type)))
if (!(wdev->wiphy->mgmt_stypes[wdev->iftype].rx & BIT(mgmt_type))) {
NL_SET_ERR_MSG(extack,
"Registration to specific type not supported");
return -EINVAL;
}
/*
* To support Pre Association Security Negotiation (PASN), registration
* for authentication frames should be supported. However, as some
* versions of the user space daemons wrongly register to all types of
* authentication frames (which might result in unexpected behavior)
* allow such registration if the request is for a specific
* authentication algorithm number.
*/
if (wdev->iftype == NL80211_IFTYPE_STATION &&
(frame_type & IEEE80211_FCTL_STYPE) == IEEE80211_STYPE_AUTH &&
!(match_data && match_len >= 2)) {
NL_SET_ERR_MSG(extack,
"Authentication algorithm number required");
return -EINVAL;
}
nreg = kzalloc(sizeof(*reg) + match_len, GFP_KERNEL);
if (!nreg)
@@ -504,6 +528,7 @@ int cfg80211_mlme_register_mgmt(struct wireless_dev *wdev, u32 snd_portid,
continue;
if (memcmp(reg->match, match_data, mlen) == 0) {
NL_SET_ERR_MSG(extack, "Match already configured");
err = -EALREADY;
break;
}

109
net/wireless/nl80211.c
View File

@@ -321,6 +321,13 @@ he_obss_pd_policy[NL80211_HE_OBSS_PD_ATTR_MAX + 1] = {
NLA_POLICY_RANGE(NLA_U8, 1, 20),
};
static const struct nla_policy
he_bss_color_policy[NL80211_HE_BSS_COLOR_ATTR_MAX + 1] = {
[NL80211_HE_BSS_COLOR_ATTR_COLOR] = NLA_POLICY_RANGE(NLA_U8, 1, 63),
[NL80211_HE_BSS_COLOR_ATTR_DISABLED] = { .type = NLA_FLAG },
[NL80211_HE_BSS_COLOR_ATTR_PARTIAL] = { .type = NLA_FLAG },
};
const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = {
[0] = { .strict_start_type = NL80211_ATTR_HE_OBSS_PD },
[NL80211_ATTR_WIPHY] = { .type = NLA_U32 },
@@ -626,6 +633,9 @@ const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = {
[NL80211_ATTR_TWT_RESPONDER] = { .type = NLA_FLAG },
[NL80211_ATTR_HE_OBSS_PD] = NLA_POLICY_NESTED(he_obss_pd_policy),
[NL80211_ATTR_VLAN_ID] = NLA_POLICY_RANGE(NLA_U16, 1, VLAN_N_VID - 2),
[NL80211_ATTR_HE_BSS_COLOR] = NLA_POLICY_NESTED(he_bss_color_policy),
[NL80211_ATTR_SRC_MAC] = NLA_POLICY_ETH_ADDR,
[NL80211_ATTR_DST_MAC] = NLA_POLICY_ETH_ADDR,
};
/* policy for the key attributes */
@@ -965,6 +975,9 @@ static int nl80211_msg_put_channel(struct sk_buff *msg, struct wiphy *wiphy,
if ((chan->flags & IEEE80211_CHAN_NO_10MHZ) &&
nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_10MHZ))
goto nla_put_failure;
if ((chan->flags & IEEE80211_CHAN_NO_HE) &&
nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HE))
goto nla_put_failure;
}
if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_MAX_TX_POWER,
@@ -1886,6 +1899,46 @@ static int nl80211_send_pmsr_capa(struct cfg80211_registered_device *rdev,
return 0;
}
static int
nl80211_put_iftype_akm_suites(struct cfg80211_registered_device *rdev,
struct sk_buff *msg)
{
int i;
struct nlattr *nested, *nested_akms;
const struct wiphy_iftype_akm_suites *iftype_akms;
if (!rdev->wiphy.num_iftype_akm_suites ||
!rdev->wiphy.iftype_akm_suites)
return 0;
nested = nla_nest_start(msg, NL80211_ATTR_IFTYPE_AKM_SUITES);
if (!nested)
return -ENOBUFS;
for (i = 0; i < rdev->wiphy.num_iftype_akm_suites; i++) {
nested_akms = nla_nest_start(msg, i + 1);
if (!nested_akms)
return -ENOBUFS;
iftype_akms = &rdev->wiphy.iftype_akm_suites[i];
if (nl80211_put_iftypes(msg, NL80211_IFTYPE_AKM_ATTR_IFTYPES,
iftype_akms->iftypes_mask))
return -ENOBUFS;
if (nla_put(msg, NL80211_IFTYPE_AKM_ATTR_SUITES,
sizeof(u32) * iftype_akms->n_akm_suites,
iftype_akms->akm_suites)) {
return -ENOBUFS;
}
nla_nest_end(msg, nested_akms);
}
nla_nest_end(msg, nested);
return 0;
}
struct nl80211_dump_wiphy_state {
s64 filter_wiphy;
long start;
@@ -2444,6 +2497,9 @@ static int nl80211_send_wiphy(struct cfg80211_registered_device *rdev,
rdev->wiphy.akm_suites))
goto nla_put_failure;
if (nl80211_put_iftype_akm_suites(rdev, msg))
goto nla_put_failure;
/* done */
state->split_start = 0;
break;
@@ -4512,6 +4568,30 @@ static int nl80211_parse_he_obss_pd(struct nlattr *attrs,
return 0;
}
static int nl80211_parse_he_bss_color(struct nlattr *attrs,
struct cfg80211_he_bss_color *he_bss_color)
{
struct nlattr *tb[NL80211_HE_BSS_COLOR_ATTR_MAX + 1];
int err;
err = nla_parse_nested(tb, NL80211_HE_BSS_COLOR_ATTR_MAX, attrs,
he_bss_color_policy, NULL);
if (err)
return err;
if (!tb[NL80211_HE_BSS_COLOR_ATTR_COLOR])
return -EINVAL;
he_bss_color->color =
nla_get_u8(tb[NL80211_HE_BSS_COLOR_ATTR_COLOR]);
he_bss_color->disabled =
nla_get_flag(tb[NL80211_HE_BSS_COLOR_ATTR_DISABLED]);
he_bss_color->partial =
nla_get_flag(tb[NL80211_HE_BSS_COLOR_ATTR_PARTIAL]);
return 0;
}
static void nl80211_check_ap_rate_selectors(struct cfg80211_ap_settings *params,
const u8 *rates)
{
@@ -4804,6 +4884,14 @@ static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info)
return err;
}
if (info->attrs[NL80211_ATTR_HE_BSS_COLOR]) {
err = nl80211_parse_he_bss_color(
info->attrs[NL80211_ATTR_HE_BSS_COLOR],
&params.he_bss_color);
if (err)
return err;
}
nl80211_calculate_ap_params(&params);
if (info->attrs[NL80211_ATTR_EXTERNAL_AUTH_SUPPORT])
@@ -10539,8 +10627,9 @@ static int nl80211_register_mgmt(struct sk_buff *skb, struct genl_info *info)
return -EOPNOTSUPP;
return cfg80211_mlme_register_mgmt(wdev, info->snd_portid, frame_type,
nla_data(info->attrs[NL80211_ATTR_FRAME_MATCH]),
nla_len(info->attrs[NL80211_ATTR_FRAME_MATCH]));
nla_data(info->attrs[NL80211_ATTR_FRAME_MATCH]),
nla_len(info->attrs[NL80211_ATTR_FRAME_MATCH]),
info->extack);
}
static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info)
@@ -13609,6 +13698,7 @@ static int nl80211_tx_control_port(struct sk_buff *skb, struct genl_info *info)
const u8 *buf;
size_t len;
u8 *dest;
u8 src[ETH_ALEN];
u16 proto;
bool noencrypt;
int err;
@@ -13646,6 +13736,13 @@ static int nl80211_tx_control_port(struct sk_buff *skb, struct genl_info *info)
goto out;
}
/* copy src address under wdev_lock, as we may copy wdev_address */
if (info->attrs[NL80211_ATTR_SRC_MAC])
ether_addr_copy(src,
nla_data(info->attrs[NL80211_ATTR_SRC_MAC]));
else
ether_addr_copy(src, wdev_address(wdev));
wdev_unlock(wdev);
buf = nla_data(info->attrs[NL80211_ATTR_FRAME]);
@@ -13656,7 +13753,7 @@ static int nl80211_tx_control_port(struct sk_buff *skb, struct genl_info *info)
nla_get_flag(info->attrs[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT]);
return rdev_tx_control_port(rdev, dev, buf, len,
dest, cpu_to_be16(proto), noencrypt);
dest, src, cpu_to_be16(proto), noencrypt);
out:
wdev_unlock(wdev);
@@ -15913,7 +16010,8 @@ static int __nl80211_rx_control_port(struct net_device *dev,
struct wireless_dev *wdev = dev->ieee80211_ptr;
struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
struct ethhdr *ehdr = eth_hdr(skb);
const u8 *addr = ehdr->h_source;
const u8 *daddr = ehdr->h_dest;
const u8 *saddr = ehdr->h_source;
u16 proto = be16_to_cpu(skb->protocol);
struct sk_buff *msg;
void *hdr;
@@ -15938,7 +16036,8 @@ static int __nl80211_rx_control_port(struct net_device *dev,
nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
NL80211_ATTR_PAD) ||
nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, saddr) ||
nla_put(msg, NL80211_ATTR_DST_MAC, ETH_ALEN, daddr) ||
nla_put_u16(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE, proto) ||
(unencrypted && nla_put_flag(msg,
NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT)))

8
net/wireless/rdev-ops.h
View File

@@ -734,14 +734,14 @@ static inline int rdev_mgmt_tx(struct cfg80211_registered_device *rdev,
static inline int rdev_tx_control_port(struct cfg80211_registered_device *rdev,
struct net_device *dev,
const void *buf, size_t len,
const u8 *dest, __be16 proto,
const bool noencrypt)
const u8 *dest, const u8 *src,
__be16 proto, const bool noencrypt)
{
int ret;
trace_rdev_tx_control_port(&rdev->wiphy, dev, buf, len,
dest, proto, noencrypt);
dest, src, proto, noencrypt);
ret = rdev->ops->tx_control_port(&rdev->wiphy, dev, buf, len,
dest, proto, noencrypt);
dest, src, proto, noencrypt);
trace_rdev_return_int(&rdev->wiphy, ret);
return ret;
}

2
net/wireless/reg.c
View File

@@ -1569,6 +1569,8 @@ static u32 map_regdom_flags(u32 rd_flags)
channel_flags |= IEEE80211_CHAN_NO_80MHZ;
if (rd_flags & NL80211_RRF_NO_160MHZ)
channel_flags |= IEEE80211_CHAN_NO_160MHZ;
if (rd_flags & NL80211_RRF_NO_HE)
channel_flags |= IEEE80211_CHAN_NO_HE;
return channel_flags;
}

27
net/wireless/trace.h
View File

@@ -1928,27 +1928,31 @@ TRACE_EVENT(rdev_mgmt_tx,
TRACE_EVENT(rdev_tx_control_port,
TP_PROTO(struct wiphy *wiphy, struct net_device *netdev,
const u8 *buf, size_t len, const u8 *dest, __be16 proto,
const u8 *buf, size_t len,
const u8 *dest, const u8 *src, __be16 proto,
bool unencrypted),
TP_ARGS(wiphy, netdev, buf, len, dest, proto, unencrypted),
TP_ARGS(wiphy, netdev, buf, len, dest, src, proto, unencrypted),
TP_STRUCT__entry(
WIPHY_ENTRY
NETDEV_ENTRY
MAC_ENTRY(dest)
__field(__be16, proto)
MAC_ENTRY(src)
__field(u16, proto)
__field(bool, unencrypted)
),
TP_fast_assign(
WIPHY_ASSIGN;
NETDEV_ASSIGN;
MAC_ASSIGN(dest, dest);
__entry->proto = proto;
MAC_ASSIGN(src, src);
__entry->proto = be16_to_cpu(proto);
__entry->unencrypted = unencrypted;
),
TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", " MAC_PR_FMT ","
" proto: 0x%x, unencrypted: %s",
WIPHY_PR_ARG, NETDEV_PR_ARG, MAC_PR_ARG(dest),
be16_to_cpu(__entry->proto),
TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", dest: " MAC_PR_FMT
", src: " MAC_PR_FMT ", proto: 0x%x, unencrypted: %s",
WIPHY_PR_ARG, NETDEV_PR_ARG,
MAC_PR_ARG(dest), MAC_PR_ARG(src),
__entry->proto,
BOOL_TO_STR(__entry->unencrypted))
);
@@ -2840,6 +2844,7 @@ TRACE_EVENT(cfg80211_rx_control_port,
TP_STRUCT__entry(
NETDEV_ENTRY
__field(int, len)
MAC_ENTRY(to)
MAC_ENTRY(from)
__field(u16, proto)
__field(bool, unencrypted)
@@ -2847,12 +2852,14 @@ TRACE_EVENT(cfg80211_rx_control_port,
TP_fast_assign(
NETDEV_ASSIGN;
__entry->len = skb->len;
MAC_ASSIGN(to, eth_hdr(skb)->h_dest);
MAC_ASSIGN(from, eth_hdr(skb)->h_source);
__entry->proto = be16_to_cpu(skb->protocol);
__entry->unencrypted = unencrypted;
),
TP_printk(NETDEV_PR_FMT ", len=%d, " MAC_PR_FMT ", proto: 0x%x, unencrypted: %s",
NETDEV_PR_ARG, __entry->len, MAC_PR_ARG(from),
TP_printk(NETDEV_PR_FMT ", len=%d, dest: " MAC_PR_FMT
", src: " MAC_PR_FMT ", proto: 0x%x, unencrypted: %s",
NETDEV_PR_ARG, __entry->len, MAC_PR_ARG(to), MAC_PR_ARG(from),
__entry->proto, BOOL_TO_STR(__entry->unencrypted))
);