staging: wfx: improve usage of hif_map_link()

Until now, hif_map_link() get as argument the raw value for
map_link_flags when map_link_flags is defined as a bitfield. It was
error prone.

Now hif_map_link() takes explicit value for every flags of the
struct map_link_flags.

Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com>
Link: https://lore.kernel.org/r/20200825085828.399505-2-Jerome.Pouiller@silabs.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/wfx/hif_tx.c b/drivers/staging/wfx/hif_tx.c
index 3b5f4dc..6b89e55 100644 (file)
--- a/drivers/staging/wfx/hif_tx.c
+++ b/drivers/staging/wfx/hif_tx.c
@@ -499,7 +499,7 @@ int hif_beacon_transmit(struct wfx_vif *wvif, bool enable)
        return ret;
 }
 
-int hif_map_link(struct wfx_vif *wvif, u8 *mac_addr, int flags, int sta_id)
+int hif_map_link(struct wfx_vif *wvif, bool unmap, u8 *mac_addr, int sta_id, bool mfp)
 {
        int ret;
        struct hif_msg *hif;
@@ -509,7 +509,8 @@ int hif_map_link(struct wfx_vif *wvif, u8 *mac_addr, int flags, int sta_id)
                return -ENOMEM;
        if (mac_addr)
                ether_addr_copy(body->mac_addr, mac_addr);
-       body->map_link_flags = *(struct hif_map_link_flags *)&flags;
+       body->map_link_flags.mfpc = mfp ? 1 : 0;
+       body->map_link_flags.map_direction = unmap ? 1 : 0;
        body->peer_sta_id = sta_id;
        wfx_fill_header(hif, wvif->id, HIF_REQ_ID_MAP_LINK, sizeof(*body));
        ret = wfx_cmd_send(wvif->wdev, hif, NULL, 0, false);

diff --git a/drivers/staging/wfx/hif_tx.h b/drivers/staging/wfx/hif_tx.h
index e1da28a..b371b37 100644 (file)
--- a/drivers/staging/wfx/hif_tx.h
+++ b/drivers/staging/wfx/hif_tx.h
@@ -55,7 +55,8 @@ int hif_set_edca_queue_params(struct wfx_vif *wvif, u16 queue,
 int hif_start(struct wfx_vif *wvif, const struct ieee80211_bss_conf *conf,
              const struct ieee80211_channel *channel);
 int hif_beacon_transmit(struct wfx_vif *wvif, bool enable);
-int hif_map_link(struct wfx_vif *wvif, u8 *mac_addr, int flags, int sta_id);
+int hif_map_link(struct wfx_vif *wvif,
+                bool unmap, u8 *mac_addr, int sta_id, bool mfp);
 int hif_update_ie_beacon(struct wfx_vif *wvif, const u8 *ies, size_t ies_len);
 int hif_sl_set_mac_key(struct wfx_dev *wdev,
                       const u8 *slk_key, int destination);

diff --git a/drivers/staging/wfx/sta.c b/drivers/staging/wfx/sta.c
index c31e302..b6ccb04 100644 (file)
--- a/drivers/staging/wfx/sta.c
+++ b/drivers/staging/wfx/sta.c
@@ -434,7 +434,7 @@ int wfx_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
        wvif->link_id_map |= BIT(sta_priv->link_id);
        WARN_ON(!sta_priv->link_id);
        WARN_ON(sta_priv->link_id >= HIF_LINK_ID_MAX);
-       hif_map_link(wvif, sta->addr, sta->mfp ? 2 : 0, sta_priv->link_id);
+       hif_map_link(wvif, false, sta->addr, sta_priv->link_id, sta->mfp);
 
        return 0;
 }
@@ -449,7 +449,7 @@ int wfx_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
        if (!sta_priv->link_id)
                return 0;
        // FIXME add a mutex?
-       hif_map_link(wvif, sta->addr, 1, sta_priv->link_id);
+       hif_map_link(wvif, true, sta->addr, sta_priv->link_id, false);
        wvif->link_id_map &= ~BIT(sta_priv->link_id);
        return 0;
 }