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openwrt/package/kernel/mac80211/patches/906-wlcore-wl12xx-wl18xx-co...

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Upcoming fw versions will have different max links support
(according to the hw). Get ready for it by configuring
wl->num_links per-hw, instead of using the const WL12XX_MAX_LINKS.
However, continue using WLCORE_MAX_LINKS in order to simplify
structs declarations (we use it in multiple bitmaps, and converting
them to dynamic arrays is just cumbersome).
Signed-off-by: Eliad Peller <eliad@wizery.com>
---
drivers/net/wireless/ti/wl12xx/main.c | 3 +++
drivers/net/wireless/ti/wl12xx/wl12xx.h | 2 ++
drivers/net/wireless/ti/wl18xx/main.c | 3 +++
drivers/net/wireless/ti/wl18xx/wl18xx.h | 4 +++-
drivers/net/wireless/ti/wlcore/cmd.c | 4 ++--
drivers/net/wireless/ti/wlcore/event.c | 4 ++--
drivers/net/wireless/ti/wlcore/main.c | 12 ++++++++----
drivers/net/wireless/ti/wlcore/rx.c | 8 ++++----
drivers/net/wireless/ti/wlcore/tx.c | 20 ++++++++++----------
drivers/net/wireless/ti/wlcore/wlcore.h | 8 +++++---
drivers/net/wireless/ti/wlcore/wlcore_i.h | 13 +++++++++----
11 files changed, 51 insertions(+), 30 deletions(-)
--- a/drivers/net/wireless/ti/wl12xx/main.c
+++ b/drivers/net/wireless/ti/wl12xx/main.c
@@ -1749,9 +1749,12 @@ static int wl12xx_setup(struct wl1271 *w
struct wlcore_platdev_data *pdev_data = dev_get_platdata(&wl->pdev->dev);
struct wl12xx_platform_data *pdata = pdev_data->pdata;
+ BUILD_BUG_ON(WL12XX_MAX_LINKS > WLCORE_MAX_LINKS);
+
wl->rtable = wl12xx_rtable;
wl->num_tx_desc = WL12XX_NUM_TX_DESCRIPTORS;
wl->num_rx_desc = WL12XX_NUM_RX_DESCRIPTORS;
+ wl->num_links = WL12XX_MAX_LINKS;
wl->num_channels = 1;
wl->num_mac_addr = WL12XX_NUM_MAC_ADDRESSES;
wl->band_rate_to_idx = wl12xx_band_rate_to_idx;
--- a/drivers/net/wireless/ti/wl12xx/wl12xx.h
+++ b/drivers/net/wireless/ti/wl12xx/wl12xx.h
@@ -65,6 +65,8 @@
#define WL12XX_RX_BA_MAX_SESSIONS 3
+#define WL12XX_MAX_LINKS 12
+
struct wl127x_rx_mem_pool_addr {
u32 addr;
u32 addr_extra;
--- a/drivers/net/wireless/ti/wl18xx/main.c
+++ b/drivers/net/wireless/ti/wl18xx/main.c
@@ -1752,9 +1752,12 @@ static int wl18xx_setup(struct wl1271 *w
struct wl18xx_priv *priv = wl->priv;
int ret;
+ BUILD_BUG_ON(WL18XX_MAX_LINKS > WLCORE_MAX_LINKS);
+
wl->rtable = wl18xx_rtable;
wl->num_tx_desc = WL18XX_NUM_TX_DESCRIPTORS;
wl->num_rx_desc = WL18XX_NUM_RX_DESCRIPTORS;
+ wl->num_links = WL18XX_MAX_LINKS;
wl->num_channels = 2;
wl->num_mac_addr = WL18XX_NUM_MAC_ADDRESSES;
wl->band_rate_to_idx = wl18xx_band_rate_to_idx;
--- a/drivers/net/wireless/ti/wl18xx/wl18xx.h
+++ b/drivers/net/wireless/ti/wl18xx/wl18xx.h
@@ -42,6 +42,8 @@
#define WL18XX_RX_BA_MAX_SESSIONS 5
+#define WL18XX_MAX_LINKS 12
+
struct wl18xx_priv {
/* buffer for sending commands to FW */
u8 cmd_buf[WL18XX_CMD_MAX_SIZE];
@@ -114,7 +116,7 @@ struct wl18xx_fw_packet_counters {
u8 tx_released_pkts[NUM_TX_QUEUES];
/* Cumulative counter of freed packets per HLID */
- u8 tx_lnk_free_pkts[WL12XX_MAX_LINKS];
+ u8 tx_lnk_free_pkts[WL18XX_MAX_LINKS];
/* Cumulative counter of released Voice memory blocks */
u8 tx_voice_released_blks;
--- a/drivers/net/wireless/ti/wlcore/cmd.c
+++ b/drivers/net/wireless/ti/wlcore/cmd.c
@@ -312,8 +312,8 @@ static int wlcore_get_new_session_id(str
int wl12xx_allocate_link(struct wl1271 *wl, struct wl12xx_vif *wlvif, u8 *hlid)
{
unsigned long flags;
- u8 link = find_first_zero_bit(wl->links_map, WL12XX_MAX_LINKS);
- if (link >= WL12XX_MAX_LINKS)
+ u8 link = find_first_zero_bit(wl->links_map, wl->num_links);
+ if (link >= wl->num_links)
return -EBUSY;
wl->session_ids[link] = wlcore_get_new_session_id(wl, link);
--- a/drivers/net/wireless/ti/wlcore/event.c
+++ b/drivers/net/wireless/ti/wlcore/event.c
@@ -68,7 +68,7 @@ static void wl1271_stop_ba_event(struct
u8 hlid;
struct wl1271_link *lnk;
for_each_set_bit(hlid, wlvif->ap.sta_hlid_map,
- WL12XX_MAX_LINKS) {
+ wl->num_links) {
lnk = &wl->links[hlid];
if (!lnk->ba_bitmap)
continue;
@@ -173,7 +173,7 @@ static void wlcore_disconnect_sta(struct
const u8 *addr;
int h;
- for_each_set_bit(h, &sta_bitmap, WL12XX_MAX_LINKS) {
+ for_each_set_bit(h, &sta_bitmap, wl->num_links) {
bool found = false;
/* find the ap vif connected to this sta */
wl12xx_for_each_wlvif_ap(wl, wlvif) {
--- a/drivers/net/wireless/ti/wlcore/main.c
+++ b/drivers/net/wireless/ti/wlcore/main.c
@@ -372,7 +372,7 @@ static void wl12xx_irq_update_links_stat
wl->ap_fw_ps_map = cur_fw_ps_map;
}
- for_each_set_bit(hlid, wlvif->ap.sta_hlid_map, WL12XX_MAX_LINKS)
+ for_each_set_bit(hlid, wlvif->ap.sta_hlid_map, wl->num_links)
wl12xx_irq_ps_regulate_link(wl, wlvif, hlid,
wl->links[hlid].allocated_pkts);
}
@@ -412,7 +412,7 @@ static int wlcore_fw_status(struct wl127
}
- for_each_set_bit(i, wl->links_map, WL12XX_MAX_LINKS) {
+ for_each_set_bit(i, wl->links_map, wl->num_links) {
u8 diff;
lnk = &wl->links[i];
@@ -5888,7 +5888,7 @@ struct ieee80211_hw *wlcore_alloc_hw(siz
int i, j, ret;
unsigned int order;
- BUILD_BUG_ON(AP_MAX_STATIONS > WL12XX_MAX_LINKS);
+ BUILD_BUG_ON(AP_MAX_STATIONS > WLCORE_MAX_LINKS);
hw = ieee80211_alloc_hw(sizeof(*wl), &wl1271_ops);
if (!hw) {
@@ -5911,8 +5911,12 @@ struct ieee80211_hw *wlcore_alloc_hw(siz
wl->hw = hw;
+ /*
+ * wl->num_links is not configured yet, so just use WLCORE_MAX_LINKS.
+ * we don't allocate any additional resource here, so that's fine.
+ */
for (i = 0; i < NUM_TX_QUEUES; i++)
- for (j = 0; j < WL12XX_MAX_LINKS; j++)
+ for (j = 0; j < WLCORE_MAX_LINKS; j++)
skb_queue_head_init(&wl->links[j].tx_queue[i]);
skb_queue_head_init(&wl->deferred_rx_queue);
--- a/drivers/net/wireless/ti/wlcore/rx.c
+++ b/drivers/net/wireless/ti/wlcore/rx.c
@@ -205,7 +205,7 @@ static int wl1271_rx_handle_data(struct
int wlcore_rx(struct wl1271 *wl, struct wl_fw_status *status)
{
- unsigned long active_hlids[BITS_TO_LONGS(WL12XX_MAX_LINKS)] = {0};
+ unsigned long active_hlids[BITS_TO_LONGS(WLCORE_MAX_LINKS)] = {0};
u32 buf_size;
u32 fw_rx_counter = status->fw_rx_counter % wl->num_rx_desc;
u32 drv_rx_counter = wl->rx_counter % wl->num_rx_desc;
@@ -263,12 +263,12 @@ int wlcore_rx(struct wl1271 *wl, struct
wl->aggr_buf + pkt_offset,
pkt_len, rx_align,
&hlid) == 1) {
- if (hlid < WL12XX_MAX_LINKS)
+ if (hlid < wl->num_links)
__set_bit(hlid, active_hlids);
else
WARN(1,
- "hlid exceeded WL12XX_MAX_LINKS "
- "(%d)\n", hlid);
+ "hlid (%d) exceeded MAX_LINKS\n",
+ hlid);
}
wl->rx_counter++;
--- a/drivers/net/wireless/ti/wlcore/tx.c
+++ b/drivers/net/wireless/ti/wlcore/tx.c
@@ -565,11 +565,11 @@ static struct sk_buff *wlcore_vif_dequeu
int i, h, start_hlid;
/* start from the link after the last one */
- start_hlid = (wlvif->last_tx_hlid + 1) % WL12XX_MAX_LINKS;
+ start_hlid = (wlvif->last_tx_hlid + 1) % wl->num_links;
/* dequeue according to AC, round robin on each link */
- for (i = 0; i < WL12XX_MAX_LINKS; i++) {
- h = (start_hlid + i) % WL12XX_MAX_LINKS;
+ for (i = 0; i < wl->num_links; i++) {
+ h = (start_hlid + i) % wl->num_links;
/* only consider connected stations */
if (!test_bit(h, wlvif->links_map))
@@ -693,8 +693,8 @@ static void wl1271_skb_queue_head(struct
skb_queue_head(&wl->links[hlid].tx_queue[q], skb);
/* make sure we dequeue the same packet next time */
- wlvif->last_tx_hlid = (hlid + WL12XX_MAX_LINKS - 1) %
- WL12XX_MAX_LINKS;
+ wlvif->last_tx_hlid = (hlid + wl->num_links - 1) %
+ wl->num_links;
}
spin_lock_irqsave(&wl->wl_lock, flags);
@@ -727,7 +727,7 @@ void wl12xx_rearm_rx_streaming(struct wl
timeout = wl->conf.rx_streaming.duration;
wl12xx_for_each_wlvif_sta(wl, wlvif) {
bool found = false;
- for_each_set_bit(hlid, active_hlids, WL12XX_MAX_LINKS) {
+ for_each_set_bit(hlid, active_hlids, wl->num_links) {
if (test_bit(hlid, wlvif->links_map)) {
found = true;
break;
@@ -764,7 +764,7 @@ int wlcore_tx_work_locked(struct wl1271
struct wl1271_tx_hw_descr *desc;
u32 buf_offset = 0, last_len = 0;
bool sent_packets = false;
- unsigned long active_hlids[BITS_TO_LONGS(WL12XX_MAX_LINKS)] = {0};
+ unsigned long active_hlids[BITS_TO_LONGS(WLCORE_MAX_LINKS)] = {0};
int ret = 0;
int bus_ret = 0;
u8 hlid;
@@ -1066,7 +1066,7 @@ void wl12xx_tx_reset_wlvif(struct wl1271
int i;
/* TX failure */
- for_each_set_bit(i, wlvif->links_map, WL12XX_MAX_LINKS) {
+ for_each_set_bit(i, wlvif->links_map, wl->num_links) {
if (wlvif->bss_type == BSS_TYPE_AP_BSS &&
i != wlvif->ap.bcast_hlid && i != wlvif->ap.global_hlid) {
/* this calls wl12xx_free_link */
@@ -1090,7 +1090,7 @@ void wl12xx_tx_reset(struct wl1271 *wl)
/* only reset the queues if something bad happened */
if (wl1271_tx_total_queue_count(wl) != 0) {
- for (i = 0; i < WL12XX_MAX_LINKS; i++)
+ for (i = 0; i < wl->num_links; i++)
wl1271_tx_reset_link_queues(wl, i);
for (i = 0; i < NUM_TX_QUEUES; i++)
@@ -1183,7 +1183,7 @@ void wl1271_tx_flush(struct wl1271 *wl)
WL1271_TX_FLUSH_TIMEOUT / 1000);
/* forcibly flush all Tx buffers on our queues */
- for (i = 0; i < WL12XX_MAX_LINKS; i++)
+ for (i = 0; i < wl->num_links; i++)
wl1271_tx_reset_link_queues(wl, i);
out_wake:
--- a/drivers/net/wireless/ti/wlcore/wlcore.h
+++ b/drivers/net/wireless/ti/wlcore/wlcore.h
@@ -224,7 +224,7 @@ struct wl1271 {
int channel;
u8 system_hlid;
- unsigned long links_map[BITS_TO_LONGS(WL12XX_MAX_LINKS)];
+ unsigned long links_map[BITS_TO_LONGS(WLCORE_MAX_LINKS)];
unsigned long roles_map[BITS_TO_LONGS(WL12XX_MAX_ROLES)];
unsigned long roc_map[BITS_TO_LONGS(WL12XX_MAX_ROLES)];
unsigned long rate_policies_map[
@@ -232,7 +232,7 @@ struct wl1271 {
unsigned long klv_templates_map[
BITS_TO_LONGS(WLCORE_MAX_KLV_TEMPLATES)];
- u8 session_ids[WL12XX_MAX_LINKS];
+ u8 session_ids[WLCORE_MAX_LINKS];
struct list_head wlvif_list;
@@ -380,7 +380,7 @@ struct wl1271 {
* AP-mode - links indexed by HLID. The global and broadcast links
* are always active.
*/
- struct wl1271_link links[WL12XX_MAX_LINKS];
+ struct wl1271_link links[WLCORE_MAX_LINKS];
/* number of currently active links */
int active_link_count;
@@ -438,6 +438,8 @@ struct wl1271 {
u32 num_tx_desc;
/* number of RX descriptors the HW supports. */
u32 num_rx_desc;
+ /* number of links the HW supports */
+ u8 num_links;
/* translate HW Tx rates to standard rate-indices */
const u8 **band_rate_to_idx;
--- a/drivers/net/wireless/ti/wlcore/wlcore_i.h
+++ b/drivers/net/wireless/ti/wlcore/wlcore_i.h
@@ -58,10 +58,15 @@
#define WL1271_DEFAULT_DTIM_PERIOD 1
#define WL12XX_MAX_ROLES 4
-#define WL12XX_MAX_LINKS 12
#define WL12XX_INVALID_ROLE_ID 0xff
#define WL12XX_INVALID_LINK_ID 0xff
+/*
+ * max number of links allowed by all HWs.
+ * this is NOT the actual max links supported by the current hw.
+ */
+#define WLCORE_MAX_LINKS 12
+
/* the driver supports the 2.4Ghz and 5Ghz bands */
#define WLCORE_NUM_BANDS 2
@@ -156,7 +161,7 @@ struct wl_fw_status {
/*
* Cumulative counter of freed packets per HLID
- * (length of the array is WL12XX_MAX_LINKS)
+ * (length of the array is wl->num_links)
*/
u8 *tx_lnk_free_pkts;
@@ -357,7 +362,7 @@ struct wl12xx_vif {
/* HLIDs bitmap of associated stations */
unsigned long sta_hlid_map[BITS_TO_LONGS(
- WL12XX_MAX_LINKS)];
+ WLCORE_MAX_LINKS)];
/* recoreded keys - set here before AP startup */
struct wl1271_ap_key *recorded_keys[MAX_NUM_KEYS];
@@ -374,7 +379,7 @@ struct wl12xx_vif {
/* counters of packets per AC, across all links in the vif */
int tx_queue_count[NUM_TX_QUEUES];
- unsigned long links_map[BITS_TO_LONGS(WL12XX_MAX_LINKS)];
+ unsigned long links_map[BITS_TO_LONGS(WLCORE_MAX_LINKS)];
u8 ssid[IEEE80211_MAX_SSID_LEN + 1];
u8 ssid_len;
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