[PATCH 02/12] staging: wfx: improve usage of hif_map_link()

Jerome Pouiller
2020-08-20T16:03:08Z

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>
---
drivers/staging/wfx/hif_tx.c | 5 +++--
drivers/staging/wfx/hif_tx.h | 3 ++-
drivers/staging/wfx/sta.c | 4 ++--
3 files changed, 7 insertions(+), 5 deletions(-)

diff --git a/drivers/staging/wfx/hif_tx.c b/drivers/staging/wfx/hif_tx.c
index 3b5f4dcc469c..6b89e55f03f4 100644
--- 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 e1da28aef706..b371b3777a31 100644
--- 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 9c1c8223a49f..d2e9cf651c81 100644
--- 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;
}
--
2.28.0