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ath9k: Isolate ath9k_use_chanctx module parameter 

This patch ensures that the module parameter "use_chanctx" is
visible only when CONFIG_ATH9K_CHANNEL_CONTEXT is selected.
Also register the channel context callbacks with mac80211 only
when it is explicitly enabled and compile them out of the driver
when CONFIG_ATH9K_CHANNEL_CONTEXT is not selected.

Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Sujith Manoharan 2014-08-22 20:39:31 +05:30 коммит произвёл John W. Linville
Родитель c7dd40c92a
Коммит 499afaccf6
5 изменённых файлов: 62 добавлений и 32 удалений
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10
drivers/net/wireless/ath/ath9k/ath9k.h
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@ -408,7 +408,6 @@ struct ath_offchannel {
ctx <= &sc->chanctx[ARRAY_SIZE(sc->chanctx) - 1]; \
ctx++)
void ath9k_fill_chanctx_ops(void);
void ath9k_chanctx_force_active(struct ieee80211_hw *hw,
struct ieee80211_vif *vif);
static inline struct ath_chanctx *
@ -437,6 +436,8 @@ void ath_scan_complete(struct ath_softc *sc, bool abort);
void ath_roc_complete(struct ath_softc *sc, bool abort);
#ifdef CONFIG_ATH9K_CHANNEL_CONTEXT
bool ath9k_is_chanctx_enabled(void);
void ath9k_fill_chanctx_ops(void);
int ath9k_init_p2p(struct ath_softc *sc);
void ath9k_deinit_p2p(struct ath_softc *sc);
void ath9k_p2p_remove_vif(struct ath_softc *sc,
@ -446,6 +447,13 @@ void ath9k_p2p_bss_info_changed(struct ath_softc *sc,
struct ieee80211_vif *vif);
void ath9k_p2p_ps_timer(void *priv);
#else
static inline bool ath9k_is_chanctx_enabled(void)
{
return false;
}
static inline void ath9k_fill_chanctx_ops(void)
{
}
static inline int ath9k_init_p2p(struct ath_softc *sc)
{
return 0;

5
drivers/net/wireless/ath/ath9k/channel.c
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@ -949,6 +949,11 @@ void ath_offchannel_timer(unsigned long data)
#ifdef CONFIG_ATH9K_CHANNEL_CONTEXT
bool ath9k_is_chanctx_enabled(void)
{
return (ath9k_use_chanctx == 1);
}
/*****************/
/* P2P Powersave */
/*****************/

63
drivers/net/wireless/ath/ath9k/init.c
Просмотреть файл

@ -61,10 +61,14 @@ static int ath9k_ps_enable;
module_param_named(ps_enable, ath9k_ps_enable, int, 0444);
MODULE_PARM_DESC(ps_enable, "Enable WLAN PowerSave");
#ifdef CONFIG_ATH9K_CHANNEL_CONTEXT
int ath9k_use_chanctx;
module_param_named(use_chanctx, ath9k_use_chanctx, int, 0444);
MODULE_PARM_DESC(use_chanctx, "Enable channel context for concurrency");
#endif /* CONFIG_ATH9K_CHANNEL_CONTEXT */
bool is_ath9k_unloaded;
#ifdef CONFIG_MAC80211_LEDS
@ -511,7 +515,7 @@ static int ath9k_init_softc(u16 devid, struct ath_softc *sc,
sc->tx99_power = MAX_RATE_POWER + 1;
init_waitqueue_head(&sc->tx_wait);
sc->cur_chan = &sc->chanctx[0];
if (!ath9k_use_chanctx)
if (!ath9k_is_chanctx_enabled())
sc->cur_chan->hw_queue_base = 0;
if (!pdata || pdata->use_eeprom) {
@ -673,20 +677,14 @@ static const struct ieee80211_iface_limit wds_limits[] = {
{ .max = 2048, .types = BIT(NL80211_IFTYPE_WDS) },
};
#ifdef CONFIG_ATH9K_CHANNEL_CONTEXT
static const struct ieee80211_iface_limit if_limits_multi[] = {
{ .max = 1, .types = BIT(NL80211_IFTYPE_STATION) },
{ .max = 1, .types = BIT(NL80211_IFTYPE_P2P_CLIENT) |
BIT(NL80211_IFTYPE_P2P_GO) },
};
static const struct ieee80211_iface_limit if_dfs_limits[] = {
{ .max = 1, .types = BIT(NL80211_IFTYPE_AP) |
#ifdef CONFIG_MAC80211_MESH
BIT(NL80211_IFTYPE_MESH_POINT) |
#endif
BIT(NL80211_IFTYPE_ADHOC) },
};
static const struct ieee80211_iface_combination if_comb_multi[] = {
{
.limits = if_limits_multi,
@ -697,6 +695,16 @@ static const struct ieee80211_iface_combination if_comb_multi[] = {
},
};
#endif /* CONFIG_ATH9K_CHANNEL_CONTEXT */
static const struct ieee80211_iface_limit if_dfs_limits[] = {
{ .max = 1, .types = BIT(NL80211_IFTYPE_AP) |
#ifdef CONFIG_MAC80211_MESH
BIT(NL80211_IFTYPE_MESH_POINT) |
#endif
BIT(NL80211_IFTYPE_ADHOC) },
};
static const struct ieee80211_iface_combination if_comb[] = {
{
.limits = if_limits,
@ -764,26 +772,31 @@ static void ath9k_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw)
BIT(NL80211_IFTYPE_AP) |
BIT(NL80211_IFTYPE_STATION) |
BIT(NL80211_IFTYPE_ADHOC) |
BIT(NL80211_IFTYPE_MESH_POINT);
if (!ath9k_use_chanctx) {
BIT(NL80211_IFTYPE_MESH_POINT) |
BIT(NL80211_IFTYPE_WDS);
hw->wiphy->iface_combinations = if_comb;
hw->wiphy->n_iface_combinations = ARRAY_SIZE(if_comb);
hw->wiphy->interface_modes |= BIT(NL80211_IFTYPE_WDS);
} else {
hw->wiphy->iface_combinations = if_comb_multi;
hw->wiphy->n_iface_combinations =
ARRAY_SIZE(if_comb_multi);
hw->wiphy->max_scan_ssids = 255;
hw->wiphy->max_scan_ie_len = IEEE80211_MAX_DATA_LEN;
hw->wiphy->max_remain_on_channel_duration = 10000;
hw->chanctx_data_size = sizeof(void *);
hw->extra_beacon_tailroom =
sizeof(struct ieee80211_p2p_noa_attr) + 9;
ath_dbg(common, CHAN_CTX, "Use channel contexts\n");
}
}
#ifdef CONFIG_ATH9K_CHANNEL_CONTEXT
if (ath9k_is_chanctx_enabled()) {
hw->wiphy->interface_modes &= ~ BIT(NL80211_IFTYPE_WDS);
hw->wiphy->iface_combinations = if_comb_multi;
hw->wiphy->n_iface_combinations = ARRAY_SIZE(if_comb_multi);
hw->wiphy->max_scan_ssids = 255;
hw->wiphy->max_scan_ie_len = IEEE80211_MAX_DATA_LEN;
hw->wiphy->max_remain_on_channel_duration = 10000;
hw->chanctx_data_size = sizeof(void *);
hw->extra_beacon_tailroom =
sizeof(struct ieee80211_p2p_noa_attr) + 9;
ath_dbg(common, CHAN_CTX, "Use channel contexts\n");
}
#endif /* CONFIG_ATH9K_CHANNEL_CONTEXT */
hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;
hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN;

14
drivers/net/wireless/ath/ath9k/main.c
Просмотреть файл

@ -268,7 +268,7 @@ static bool ath_complete_reset(struct ath_softc *sc, bool start)
ath9k_hw_set_interrupts(ah);
ath9k_hw_enable_interrupts(ah);
if (!ath9k_use_chanctx)
if (!ath9k_is_chanctx_enabled())
ieee80211_wake_queues(sc->hw);
else {
if (sc->cur_chan == &sc->offchannel.chan)
@ -1139,7 +1139,7 @@ static int ath9k_add_interface(struct ieee80211_hw *hw,
ath9k_beacon_assign_slot(sc, vif);
avp->vif = vif;
if (!ath9k_use_chanctx) {
if (!ath9k_is_chanctx_enabled()) {
avp->chanctx = sc->cur_chan;
list_add_tail(&avp->list, &avp->chanctx->vifs);
}
@ -1217,7 +1217,7 @@ static void ath9k_remove_interface(struct ieee80211_hw *hw,
sc->nvifs--;
sc->tx99_vif = NULL;
if (!ath9k_use_chanctx)
if (!ath9k_is_chanctx_enabled())
list_del(&avp->list);
if (ath9k_uses_beacons(vif->type))
@ -1395,7 +1395,7 @@ static int ath9k_config(struct ieee80211_hw *hw, u32 changed)
}
}
if (!ath9k_use_chanctx && (changed & IEEE80211_CONF_CHANGE_CHANNEL)) {
if (!ath9k_is_chanctx_enabled() && (changed & IEEE80211_CONF_CHANGE_CHANNEL)) {
ctx->offchannel = !!(conf->flags & IEEE80211_CONF_OFFCHANNEL);
ath_chanctx_set_channel(sc, ctx, &hw->conf.chandef);
}
@ -2108,6 +2108,8 @@ static void ath9k_sw_scan_complete(struct ieee80211_hw *hw)
clear_bit(ATH_OP_SCANNING, &common->op_flags);
}
#ifdef CONFIG_ATH9K_CHANNEL_CONTEXT
static int ath9k_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
struct ieee80211_scan_request *hw_req)
{
@ -2339,7 +2341,7 @@ static void ath9k_unassign_vif_chanctx(struct ieee80211_hw *hw,
void ath9k_fill_chanctx_ops(void)
{
if (!ath9k_use_chanctx)
if (!ath9k_is_chanctx_enabled())
return;
ath9k_ops.hw_scan = ath9k_hw_scan;
@ -2354,6 +2356,8 @@ void ath9k_fill_chanctx_ops(void)
ath9k_ops.mgd_prepare_tx = ath9k_chanctx_force_active;
}
#endif
struct ieee80211_ops ath9k_ops = {
.tx = ath9k_tx,
.start = ath9k_start,

2
drivers/net/wireless/ath/ath9k/recv.c
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@ -425,7 +425,7 @@ u32 ath_calcrxfilter(struct ath_softc *sc)
if (AR_SREV_9550(sc->sc_ah) || AR_SREV_9531(sc->sc_ah))
rfilt |= ATH9K_RX_FILTER_4ADDRESS;
if (ath9k_use_chanctx &&
if (ath9k_is_chanctx_enabled() &&
test_bit(ATH_OP_SCANNING, &common->op_flags))
rfilt |= ATH9K_RX_FILTER_BEACON;