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wifi: mac80211: process and save negotiated TID to Link mapping request

Browse source 
An MLD may send TID-to-Link mapping request frame to negotiate
TID to link mapping with a peer MLD.
Support handling negotiated TID-to-Link mapping request frame
by parsing the frame, asking the driver whether it supports the
received mapping or not, and sending a TID-to-Link mapping response
to the AP MLD.
Theoretically, links that became inactive due to the received TID-to-Link
mapping request, can be selected to be activated but this would require
tearing down the negotiated TID-to-Link mapping, which is still not
supported.

Signed-off-by: Ayala Beker <ayala.beker@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Reviewed-by: Gregory Greenman <gregory.greenman@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240102213313.0bc1a24fcc9d.Ie72e47dc6f8c77d4a2f0947b775ef6367fe0edac@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Ayala Beker 2024-01-02 21:35:34 +02:00 committed by Johannes Berg
parent 83e897a961
commit 8f500fbc6c
8 changed files with 465 additions and 18 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

46
include/net/mac80211.h
View file

@ -342,6 +342,7 @@ struct ieee80211_vif_chanctx_switch {
* status changed.
* @BSS_CHANGED_EHT_PUNCTURING: The channel puncturing bitmap changed.
* @BSS_CHANGED_MLD_VALID_LINKS: MLD valid links status changed.
* @BSS_CHANGED_MLD_TTLM: TID to link mapping was changed
*/
enum ieee80211_bss_change {
BSS_CHANGED_ASSOC = 1<<0,
@ -378,6 +379,7 @@ enum ieee80211_bss_change {
BSS_CHANGED_UNSOL_BCAST_PROBE_RESP = 1<<31,
BSS_CHANGED_EHT_PUNCTURING = BIT_ULL(32),
BSS_CHANGED_MLD_VALID_LINKS = BIT_ULL(33),
BSS_CHANGED_MLD_TTLM = BIT_ULL(34),
/* when adding here, make sure to change ieee80211_reconfig */
};
@ -1845,6 +1847,35 @@ struct ieee80211_vif_cfg {
u8 ap_addr[ETH_ALEN] __aligned(2);
};
#define IEEE80211_TTLM_NUM_TIDS 8
/**
* struct ieee80211_neg_ttlm - negotiated TID to link map info
*
* @downlink: bitmap of active links per TID for downlink, or 0 if mapping for
* this TID is not included.
* @uplink: bitmap of active links per TID for uplink, or 0 if mapping for this
* TID is not included.
* @valid: info is valid or not.
*/
struct ieee80211_neg_ttlm {
u16 downlink[IEEE80211_TTLM_NUM_TIDS];
u16 uplink[IEEE80211_TTLM_NUM_TIDS];
bool valid;
};
/**
* enum ieee80211_neg_ttlm_res - return value for negotiated TTLM handling
* @NEG_TTLM_RES_ACCEPT: accept the request
* @NEG_TTLM_RES_REJECT: reject the request
* @NEG_TTLM_RES_SUGGEST_PREFERRED: reject and suggest a new mapping
*/
enum ieee80211_neg_ttlm_res {
NEG_TTLM_RES_ACCEPT,
NEG_TTLM_RES_REJECT,
NEG_TTLM_RES_SUGGEST_PREFERRED
};
/**
* struct ieee80211_vif - per-interface data
*
@ -1863,6 +1894,11 @@ struct ieee80211_vif_cfg {
* API calls meant for that purpose.
* @dormant_links: bitmap of valid but disabled links, or 0 for non-MLO.
* Must be a subset of valid_links.
* @suspended_links: subset of dormant_links representing links that are
* suspended.
* 0 for non-MLO.
* @neg_ttlm: negotiated TID to link mapping info.
* see &struct ieee80211_neg_ttlm.
* @addr: address of this interface
* @p2p: indicates whether this AP or STA interface is a p2p
* interface, i.e. a GO or p2p-sta respectively
@ -1900,7 +1936,8 @@ struct ieee80211_vif {
struct ieee80211_vif_cfg cfg;
struct ieee80211_bss_conf bss_conf;
struct ieee80211_bss_conf __rcu *link_conf[IEEE80211_MLD_MAX_NUM_LINKS];
u16 valid_links, active_links, dormant_links;
u16 valid_links, active_links, dormant_links, suspended_links;
struct ieee80211_neg_ttlm neg_ttlm;
u8 addr[ETH_ALEN] __aligned(2);
bool p2p;
@ -4293,6 +4330,10 @@ struct ieee80211_prep_tx_info {
* flow offloading for flows originating from the vif.
* Note that the driver must not assume that the vif driver_data is valid
* at this point, since the callback can be called during netdev teardown.
* @can_neg_ttlm: for managed interface, requests the driver to determine
* if the requested TID-To-Link mapping can be accepted or not.
* If it's not accepted the driver may suggest a preferred mapping and
* modify @ttlm parameter with the suggested TID-to-Link mapping.
*/
struct ieee80211_ops {
void (*tx)(struct ieee80211_hw *hw,
@ -4673,6 +4714,9 @@ struct ieee80211_ops {
struct net_device *dev,
enum tc_setup_type type,
void *type_data);
enum ieee80211_neg_ttlm_res
(*can_neg_ttlm)(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
struct ieee80211_neg_ttlm *ttlm);
};
/**

19
net/mac80211/driver-ops.h
View file

@ -1695,4 +1695,23 @@ int drv_change_sta_links(struct ieee80211_local *local,
struct ieee80211_sta *sta,
u16 old_links, u16 new_links);
static inline enum ieee80211_neg_ttlm_res
drv_can_neg_ttlm(struct ieee80211_local *local,
struct ieee80211_sub_if_data *sdata,
struct ieee80211_neg_ttlm *neg_ttlm)
{
enum ieee80211_neg_ttlm_res res = NEG_TTLM_RES_REJECT;
might_sleep();
if (!check_sdata_in_driver(sdata))
return -EIO;
trace_drv_can_neg_ttlm(local, sdata, neg_ttlm);
if (local->ops->can_neg_ttlm)
res = local->ops->can_neg_ttlm(&local->hw, &sdata->vif,
neg_ttlm);
trace_drv_neg_ttlm_res(local, sdata, res, neg_ttlm);
return res;
}
#endif /* __MAC80211_DRIVER_OPS */

2
net/mac80211/ieee80211_i.h
View file

@ -2603,6 +2603,8 @@ ieee80211_eht_cap_ie_to_sta_eht_cap(struct ieee80211_sub_if_data *sdata,
const struct ieee80211_eht_cap_elem *eht_cap_ie_elem,
u8 eht_cap_len,
struct link_sta_info *link_sta);
void ieee80211_process_neg_ttlm_req(struct ieee80211_sub_if_data *sdata,
struct ieee80211_mgmt *mgmt, size_t len);
void ieee80211_check_wbrf_support(struct ieee80211_local *local);
void ieee80211_add_wbrf(struct ieee80211_local *local, struct cfg80211_chan_def *chandef);

12
net/mac80211/iface.c
View file

@ -1546,6 +1546,18 @@ static void ieee80211_iface_process_skb(struct ieee80211_local *local,
default:
break;
}
} else if (ieee80211_is_action(mgmt->frame_control) &&
mgmt->u.action.category == WLAN_CATEGORY_PROTECTED_EHT) {
if (sdata->vif.type == NL80211_IFTYPE_STATION) {
switch (mgmt->u.action.u.ttlm_req.action_code) {
case WLAN_PROTECTED_EHT_ACTION_TTLM_REQ:
ieee80211_process_neg_ttlm_req(sdata, mgmt,
skb->len);
break;
default:
break;
}
}
} else if (ieee80211_is_ext(mgmt->frame_control)) {
if (sdata->vif.type == NL80211_IFTYPE_STATION)
ieee80211_sta_rx_queued_ext(sdata, skb);

3
net/mac80211/main.c
View file

@ -208,7 +208,8 @@ int ieee80211_hw_config(struct ieee80211_local *local, u32 changed)
BSS_CHANGED_IBSS |\
BSS_CHANGED_ARP_FILTER |\
BSS_CHANGED_SSID |\
BSS_CHANGED_MLD_VALID_LINKS)
BSS_CHANGED_MLD_VALID_LINKS |\
BSS_CHANGED_MLD_TTLM)
void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata,
u64 changed)

335
net/mac80211/mlme.c
View file

@ -1318,8 +1318,6 @@ static void ieee80211_assoc_add_ml_elem(struct ieee80211_sub_if_data *sdata,
cpu_to_le16(IEEE80211_MLC_BASIC_PRES_EML_CAPA);
skb_put_data(skb, &eml_capa, sizeof(eml_capa));
}
/* need indication from userspace to support this */
mld_capa_ops &= ~cpu_to_le16(IEEE80211_MLD_CAP_OP_TID_TO_LINK_MAP_NEG_SUPP);
skb_put_data(skb, &mld_capa_ops, sizeof(mld_capa_ops));
for (link_id = 0; link_id < IEEE80211_MLD_MAX_NUM_LINKS; link_id++) {
@ -5890,6 +5888,56 @@ static void ieee80211_ml_reconfiguration(struct ieee80211_sub_if_data *sdata,
TU_TO_JIFFIES(delay));
}
static int ieee80211_ttlm_set_links(struct ieee80211_sub_if_data *sdata,
u16 active_links, u16 dormant_links,
u16 suspended_links)
{
u64 changed = 0;
int ret;
if (!active_links) {
ret = -EINVAL;
goto out;
}
/* If there is an active negotiated TTLM, it should be discarded by
* the new negotiated/advertised TTLM.
*/
if (sdata->vif.neg_ttlm.valid) {
memset(&sdata->vif.neg_ttlm, 0, sizeof(sdata->vif.neg_ttlm));
sdata->vif.suspended_links = 0;
changed = BSS_CHANGED_MLD_TTLM;
}
if (sdata->vif.active_links != active_links) {
ret = ieee80211_set_active_links(&sdata->vif, active_links);
if (ret) {
sdata_info(sdata, "Failed to set TTLM active links\n");
goto out;
}
}
ret = ieee80211_vif_set_links(sdata, sdata->vif.valid_links,
dormant_links);
if (ret) {
sdata_info(sdata, "Failed to set TTLM dormant links\n");
goto out;
}
changed |= BSS_CHANGED_MLD_VALID_LINKS;
sdata->vif.suspended_links = suspended_links;
if (sdata->vif.suspended_links)
changed |= BSS_CHANGED_MLD_TTLM;
ieee80211_vif_cfg_change_notify(sdata, changed);
out:
if (ret)
ieee80211_disconnect(&sdata->vif, false);
return ret;
}
static void ieee80211_tid_to_link_map_work(struct wiphy *wiphy,
struct wiphy_work *work)
{
@ -5897,30 +5945,19 @@ static void ieee80211_tid_to_link_map_work(struct wiphy *wiphy,
struct ieee80211_sub_if_data *sdata =
container_of(work, struct ieee80211_sub_if_data,
u.mgd.ttlm_work.work);
int ret;
new_active_links = sdata->u.mgd.ttlm_info.map &
sdata->vif.valid_links;
new_dormant_links = ~sdata->u.mgd.ttlm_info.map &
sdata->vif.valid_links;
if (!new_active_links) {
ieee80211_disconnect(&sdata->vif, false);
return;
}
ieee80211_vif_set_links(sdata, sdata->vif.valid_links, 0);
new_active_links = BIT(ffs(new_active_links) - 1);
ieee80211_set_active_links(&sdata->vif, new_active_links);
ret = ieee80211_vif_set_links(sdata, sdata->vif.valid_links,
new_dormant_links);
if (ieee80211_ttlm_set_links(sdata, new_active_links, new_dormant_links,
0))
return;
sdata->u.mgd.ttlm_info.active = true;
sdata->u.mgd.ttlm_info.switch_time = 0;
if (!ret)
ieee80211_vif_cfg_change_notify(sdata,
BSS_CHANGED_MLD_VALID_LINKS);
}
static u16 ieee80211_get_ttlm(u8 bm_size, u8 *data)
@ -6437,6 +6474,272 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_link_data *link,
kfree(elems);
}
static void ieee80211_apply_neg_ttlm(struct ieee80211_sub_if_data *sdata,
struct ieee80211_neg_ttlm neg_ttlm)
{
u16 new_active_links, new_dormant_links, new_suspended_links, map = 0;
u8 i;
for (i = 0; i < IEEE80211_TTLM_NUM_TIDS; i++)
map |= neg_ttlm.downlink[i] | neg_ttlm.uplink[i];
/* If there is an active TTLM, unset previously suspended links */
if (sdata->vif.neg_ttlm.valid)
sdata->vif.dormant_links &= ~sdata->vif.suspended_links;
/* exclude links that are already disabled by advertised TTLM */
new_active_links =
map & sdata->vif.valid_links & ~sdata->vif.dormant_links;
new_suspended_links =
(~map & sdata->vif.valid_links) & ~sdata->vif.dormant_links;
new_dormant_links = sdata->vif.dormant_links | new_suspended_links;
if (ieee80211_ttlm_set_links(sdata, new_active_links,
new_dormant_links, new_suspended_links))
return;
sdata->vif.neg_ttlm = neg_ttlm;
sdata->vif.neg_ttlm.valid = true;
}
static void
ieee80211_neg_ttlm_add_suggested_map(struct sk_buff *skb,
struct ieee80211_neg_ttlm *neg_ttlm)
{
u8 i, direction[IEEE80211_TTLM_MAX_CNT];
if (memcmp(neg_ttlm->downlink, neg_ttlm->uplink,
sizeof(neg_ttlm->downlink))) {
direction[0] = IEEE80211_TTLM_DIRECTION_DOWN;
direction[1] = IEEE80211_TTLM_DIRECTION_UP;
} else {
direction[0] = IEEE80211_TTLM_DIRECTION_BOTH;
}
for (i = 0; i < ARRAY_SIZE(direction); i++) {
u8 tid, len, map_ind = 0, *len_pos, *map_ind_pos, *pos;
__le16 map;
len = sizeof(struct ieee80211_ttlm_elem) + 1 + 1;
pos = skb_put(skb, len + 2);
*pos++ = WLAN_EID_EXTENSION;
len_pos = pos++;
*pos++ = WLAN_EID_EXT_TID_TO_LINK_MAPPING;
*pos++ = direction[i];
map_ind_pos = pos++;
for (tid = 0; tid < IEEE80211_TTLM_NUM_TIDS; tid++) {
map = direction[i] == IEEE80211_TTLM_DIRECTION_UP ?
cpu_to_le16(neg_ttlm->uplink[tid]) :
cpu_to_le16(neg_ttlm->downlink[tid]);
if (!map)
continue;
len += 2;
map_ind |= BIT(tid);
skb_put_data(skb, &map, sizeof(map));
}
*map_ind_pos = map_ind;
*len_pos = len;
if (direction[i] == IEEE80211_TTLM_DIRECTION_BOTH)
break;
}
}
static void
ieee80211_send_neg_ttlm_res(struct ieee80211_sub_if_data *sdata,
enum ieee80211_neg_ttlm_res ttlm_res,
u8 dialog_token,
struct ieee80211_neg_ttlm *neg_ttlm)
{
struct ieee80211_local *local = sdata->local;
struct ieee80211_mgmt *mgmt;
struct sk_buff *skb;
int hdr_len = offsetofend(struct ieee80211_mgmt, u.action.u.ttlm_res);
int ttlm_max_len = 2 + 1 + sizeof(struct ieee80211_ttlm_elem) + 1 +
2 * 2 * IEEE80211_TTLM_NUM_TIDS;
skb = dev_alloc_skb(local->tx_headroom + hdr_len + ttlm_max_len);
if (!skb)
return;
skb_reserve(skb, local->tx_headroom);
mgmt = skb_put_zero(skb, hdr_len);
mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
IEEE80211_STYPE_ACTION);
memcpy(mgmt->da, sdata->vif.cfg.ap_addr, ETH_ALEN);
memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN);
memcpy(mgmt->bssid, sdata->vif.cfg.ap_addr, ETH_ALEN);
mgmt->u.action.category = WLAN_CATEGORY_PROTECTED_EHT;
mgmt->u.action.u.ttlm_res.action_code =
WLAN_PROTECTED_EHT_ACTION_TTLM_RES;
mgmt->u.action.u.ttlm_res.dialog_token = dialog_token;
switch (ttlm_res) {
default:
WARN_ON(1);
fallthrough;
case NEG_TTLM_RES_REJECT:
mgmt->u.action.u.ttlm_res.status_code =
WLAN_STATUS_DENIED_TID_TO_LINK_MAPPING;
break;
case NEG_TTLM_RES_ACCEPT:
mgmt->u.action.u.ttlm_res.status_code = WLAN_STATUS_SUCCESS;
break;
case NEG_TTLM_RES_SUGGEST_PREFERRED:
mgmt->u.action.u.ttlm_res.status_code =
WLAN_STATUS_PREF_TID_TO_LINK_MAPPING_SUGGESTED;
ieee80211_neg_ttlm_add_suggested_map(skb, neg_ttlm);
break;
}
ieee80211_tx_skb(sdata, skb);
}
static int
ieee80211_parse_neg_ttlm(struct ieee80211_sub_if_data *sdata,
const struct ieee80211_ttlm_elem *ttlm,
struct ieee80211_neg_ttlm *neg_ttlm,
u8 *direction)
{
u8 control, link_map_presence, map_size, tid;
u8 *pos;
/* The element size was already validated in
* ieee80211_tid_to_link_map_size_ok()
*/
pos = (void *)ttlm->optional;
control = ttlm->control;
/* mapping switch time and expected duration fields are not expected
* in case of negotiated TTLM
*/
if (control & (IEEE80211_TTLM_CONTROL_SWITCH_TIME_PRESENT |
IEEE80211_TTLM_CONTROL_EXPECTED_DUR_PRESENT)) {
mlme_dbg(sdata,
"Invalid TTLM element in negotiated TTLM request\n");
return -EINVAL;
}
if (control & IEEE80211_TTLM_CONTROL_DEF_LINK_MAP) {
for (tid = 0; tid < IEEE80211_TTLM_NUM_TIDS; tid++) {
neg_ttlm->downlink[tid] = sdata->vif.valid_links;
neg_ttlm->uplink[tid] = sdata->vif.valid_links;
}
*direction = IEEE80211_TTLM_DIRECTION_BOTH;
return 0;
}
*direction = u8_get_bits(control, IEEE80211_TTLM_CONTROL_DIRECTION);
if (*direction != IEEE80211_TTLM_DIRECTION_DOWN &&
*direction != IEEE80211_TTLM_DIRECTION_UP &&
*direction != IEEE80211_TTLM_DIRECTION_BOTH)
return -EINVAL;
link_map_presence = *pos;
pos++;
if (control & IEEE80211_TTLM_CONTROL_LINK_MAP_SIZE)
map_size = 1;
else
map_size = 2;
for (tid = 0; tid < IEEE80211_TTLM_NUM_TIDS; tid++) {
u16 map;
if (link_map_presence & BIT(tid)) {
map = ieee80211_get_ttlm(map_size, pos);
if (!map) {
mlme_dbg(sdata,
"No active links for TID %d", tid);
return -EINVAL;
}
} else {
map = 0;
}
switch (*direction) {
case IEEE80211_TTLM_DIRECTION_BOTH:
neg_ttlm->downlink[tid] = map;
neg_ttlm->uplink[tid] = map;
break;
case IEEE80211_TTLM_DIRECTION_DOWN:
neg_ttlm->downlink[tid] = map;
break;
case IEEE80211_TTLM_DIRECTION_UP:
neg_ttlm->uplink[tid] = map;
break;
default:
return -EINVAL;
}
pos += map_size;
}
return 0;
}
void ieee80211_process_neg_ttlm_req(struct ieee80211_sub_if_data *sdata,
struct ieee80211_mgmt *mgmt, size_t len)
{
u8 dialog_token, direction[IEEE80211_TTLM_MAX_CNT] = {}, i;
size_t ies_len;
enum ieee80211_neg_ttlm_res ttlm_res = NEG_TTLM_RES_ACCEPT;
struct ieee802_11_elems *elems = NULL;
struct ieee80211_neg_ttlm neg_ttlm = {};
BUILD_BUG_ON(ARRAY_SIZE(direction) != ARRAY_SIZE(elems->ttlm));
if (!ieee80211_vif_is_mld(&sdata->vif))
return;
dialog_token = mgmt->u.action.u.ttlm_req.dialog_token;
ies_len = len - offsetof(struct ieee80211_mgmt,
u.action.u.ttlm_req.variable);
elems = ieee802_11_parse_elems(mgmt->u.action.u.ttlm_req.variable,
ies_len, true, NULL);
if (!elems) {
ttlm_res = NEG_TTLM_RES_REJECT;
goto out;
}
for (i = 0; i < elems->ttlm_num; i++) {
if (ieee80211_parse_neg_ttlm(sdata, elems->ttlm[i],
&neg_ttlm, &direction[i]) ||
(direction[i] == IEEE80211_TTLM_DIRECTION_BOTH &&
elems->ttlm_num != 1)) {
ttlm_res = NEG_TTLM_RES_REJECT;
goto out;
}
}
if (!elems->ttlm_num ||
(elems->ttlm_num == 2 && direction[0] == direction[1])) {
ttlm_res = NEG_TTLM_RES_REJECT;
goto out;
}
for (i = 0; i < IEEE80211_TTLM_NUM_TIDS; i++) {
if ((neg_ttlm.downlink[i] &&
(neg_ttlm.downlink[i] & ~sdata->vif.valid_links)) ||
(neg_ttlm.uplink[i] &&
(neg_ttlm.uplink[i] & ~sdata->vif.valid_links))) {
ttlm_res = NEG_TTLM_RES_REJECT;
goto out;
}
}
ttlm_res = drv_can_neg_ttlm(sdata->local, sdata, &neg_ttlm);
if (ttlm_res != NEG_TTLM_RES_ACCEPT)
goto out;
ieee80211_apply_neg_ttlm(sdata, neg_ttlm);
out:
kfree(elems);
ieee80211_send_neg_ttlm_res(sdata, ttlm_res, dialog_token, &neg_ttlm);
}
void ieee80211_sta_rx_queued_ext(struct ieee80211_sub_if_data *sdata,
struct sk_buff *skb)
{

14
net/mac80211/rx.c
View file

@ -3763,6 +3763,20 @@ ieee80211_rx_h_action(struct ieee80211_rx_data *rx)
break;
}
break;
case WLAN_CATEGORY_PROTECTED_EHT:
switch (mgmt->u.action.u.ttlm_req.action_code) {
case WLAN_PROTECTED_EHT_ACTION_TTLM_REQ:
if (sdata->vif.type != NL80211_IFTYPE_STATION)
break;
if (len < offsetofend(typeof(*mgmt),
u.action.u.ttlm_req))
goto invalid;
goto queue;
default:
break;
}
break;
}
return RX_CONTINUE;

52
net/mac80211/trace.h
View file

@ -3088,6 +3088,58 @@ TRACE_EVENT(stop_queue,
)
);
TRACE_EVENT(drv_can_neg_ttlm,
TP_PROTO(struct ieee80211_local *local,
struct ieee80211_sub_if_data *sdata,
struct ieee80211_neg_ttlm *neg_ttlm),
TP_ARGS(local, sdata, neg_ttlm),
TP_STRUCT__entry(LOCAL_ENTRY
VIF_ENTRY
__array(u16, downlink, sizeof(u16) * 8)
__array(u16, uplink, sizeof(u16) * 8)
),
TP_fast_assign(LOCAL_ASSIGN;
VIF_ASSIGN;
memcpy(__entry->downlink, neg_ttlm->downlink,
sizeof(neg_ttlm->downlink));
memcpy(__entry->uplink, neg_ttlm->uplink,
sizeof(neg_ttlm->uplink));
),
TP_printk(LOCAL_PR_FMT ", " VIF_PR_FMT, LOCAL_PR_ARG, VIF_PR_ARG)
);
TRACE_EVENT(drv_neg_ttlm_res,
TP_PROTO(struct ieee80211_local *local,
struct ieee80211_sub_if_data *sdata,
enum ieee80211_neg_ttlm_res res,
struct ieee80211_neg_ttlm *neg_ttlm),
TP_ARGS(local, sdata, res, neg_ttlm),
TP_STRUCT__entry(LOCAL_ENTRY
VIF_ENTRY
__field(u32, res)
__array(u16, downlink, sizeof(u16) * 8)
__array(u16, uplink, sizeof(u16) * 8)
),
TP_fast_assign(LOCAL_ASSIGN;
VIF_ASSIGN;
__entry->res = res;
memcpy(__entry->downlink, neg_ttlm->downlink,
sizeof(neg_ttlm->downlink));
memcpy(__entry->uplink, neg_ttlm->uplink,
sizeof(neg_ttlm->uplink));
),
TP_printk(LOCAL_PR_FMT VIF_PR_FMT " response: %d\n ",
LOCAL_PR_ARG, VIF_PR_ARG, __entry->res
)
);
#endif /* !__MAC80211_DRIVER_TRACE || TRACE_HEADER_MULTI_READ */
#undef TRACE_INCLUDE_PATH