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-rw-r--r--package/mac80211/patches/869-brcmsmac-add-beacon-template-support.patch266
1 files changed, 266 insertions, 0 deletions
diff --git a/package/mac80211/patches/869-brcmsmac-add-beacon-template-support.patch b/package/mac80211/patches/869-brcmsmac-add-beacon-template-support.patch
new file mode 100644
index 0000000000..ab864a3dbf
--- /dev/null
+++ b/package/mac80211/patches/869-brcmsmac-add-beacon-template-support.patch
@@ -0,0 +1,266 @@
+--- a/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c
++++ b/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c
+@@ -1,5 +1,6 @@
+ /*
+ * Copyright (c) 2010 Broadcom Corporation
++ * Copyright (c) 2013 Hauke Mehrtens <hauke@hauke-m.de>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+@@ -522,9 +523,17 @@ brcms_ops_bss_info_changed(struct ieee80
+ brcms_c_set_addrmatch(wl->wlc, RCM_BSSID_OFFSET, info->bssid);
+ spin_unlock_bh(&wl->lock);
+ }
+- if (changed & BSS_CHANGED_BEACON)
++ if (changed & BSS_CHANGED_BEACON) {
+ /* Beacon data changed, retrieve new beacon (beaconing modes) */
+- brcms_err(core, "%s: beacon changed\n", __func__);
++ struct sk_buff *beacon;
++ u16 tim_offset = 0;
++
++ spin_lock_bh(&wl->lock);
++ beacon = ieee80211_beacon_get_tim(hw, vif, &tim_offset, NULL);
++ brcms_c_set_new_beacon(wl->wlc, beacon, tim_offset,
++ info->dtim_period);
++ spin_unlock_bh(&wl->lock);
++ }
+
+ if (changed & BSS_CHANGED_BEACON_ENABLED) {
+ /* Beaconing should be enabled/disabled (beaconing modes) */
+--- a/drivers/net/wireless/brcm80211/brcmsmac/main.c
++++ b/drivers/net/wireless/brcm80211/brcmsmac/main.c
+@@ -1,5 +1,6 @@
+ /*
+ * Copyright (c) 2010 Broadcom Corporation
++ * Copyright (c) 2013 Hauke Mehrtens <hauke@hauke-m.de>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+@@ -450,6 +451,8 @@ static void brcms_c_detach_mfree(struct
+ kfree(wlc->corestate);
+ kfree(wlc->hw->bandstate[0]);
+ kfree(wlc->hw);
++ if (wlc->beacon)
++ dev_kfree_skb_any(wlc->beacon);
+
+ /* free the wlc */
+ kfree(wlc);
+@@ -4086,10 +4089,14 @@ void brcms_c_wme_setparams(struct brcms_
+ *shm_entry++);
+ }
+
+- if (suspend) {
++ if (suspend)
+ brcms_c_suspend_mac_and_wait(wlc);
++
++ brcms_c_update_beacon(wlc);
++ brcms_c_update_probe_resp(wlc, false);
++
++ if (suspend)
+ brcms_c_enable_mac(wlc);
+- }
+ }
+
+ static void brcms_c_edcf_setparams(struct brcms_c_info *wlc, bool suspend)
+@@ -7379,6 +7386,107 @@ int brcms_c_get_header_len(void)
+ return TXOFF;
+ }
+
++static void brcms_c_beacon_write(struct brcms_c_info *wlc,
++ struct sk_buff *beacon, u16 tim_offset,
++ u16 dtim_period, bool bcn0, bool bcn1)
++{
++ size_t len;
++ struct ieee80211_tx_info *tx_info;
++ struct brcms_hardware *wlc_hw = wlc->hw;
++ struct ieee80211_hw *ieee_hw = brcms_c_pub(wlc)->ieee_hw;
++
++ /* Get tx_info */
++ tx_info = IEEE80211_SKB_CB(beacon);
++
++ len = min_t(size_t, beacon->len, BCN_TMPL_LEN);
++ wlc->bcn_rspec = ieee80211_get_tx_rate(ieee_hw, tx_info)->hw_value;
++
++ brcms_c_compute_plcp(wlc, wlc->bcn_rspec,
++ len + FCS_LEN - D11_PHY_HDR_LEN, beacon->data);
++
++ /* "Regular" and 16 MBSS but not for 4 MBSS */
++ /* Update the phytxctl for the beacon based on the rspec */
++ brcms_c_beacon_phytxctl_txant_upd(wlc, wlc->bcn_rspec);
++
++ if (bcn0) {
++ /* write the probe response into the template region */
++ brcms_b_write_template_ram(wlc_hw, T_BCN0_TPL_BASE,
++ (len + 3) & ~3, beacon->data);
++
++ /* write beacon length to SCR */
++ brcms_b_write_shm(wlc_hw, M_BCN0_FRM_BYTESZ, (u16) len);
++ }
++ if (bcn1) {
++ /* write the probe response into the template region */
++ brcms_b_write_template_ram(wlc_hw, T_BCN1_TPL_BASE,
++ (len + 3) & ~3, beacon->data);
++
++ /* write beacon length to SCR */
++ brcms_b_write_shm(wlc_hw, M_BCN1_FRM_BYTESZ, (u16) len);
++ }
++
++ if (tim_offset != 0) {
++ brcms_b_write_shm(wlc_hw, M_TIMBPOS_INBEACON,
++ tim_offset + D11B_PHY_HDR_LEN);
++ brcms_b_write_shm(wlc_hw, M_DOT11_DTIMPERIOD, dtim_period);
++ } else {
++ brcms_b_write_shm(wlc_hw, M_TIMBPOS_INBEACON,
++ len + D11B_PHY_HDR_LEN);
++ brcms_b_write_shm(wlc_hw, M_DOT11_DTIMPERIOD, 0);
++ }
++}
++
++static void brcms_c_update_beacon_hw(struct brcms_c_info *wlc,
++ struct sk_buff *beacon, u16 tim_offset,
++ u16 dtim_period)
++{
++ struct brcms_hardware *wlc_hw = wlc->hw;
++ struct bcma_device *core = wlc_hw->d11core;
++
++ /* Hardware beaconing for this config */
++ u32 both_valid = MCMD_BCN0VLD | MCMD_BCN1VLD;
++
++ /* Check if both templates are in use, if so sched. an interrupt
++ * that will call back into this routine
++ */
++ if ((bcma_read32(core, D11REGOFFS(maccommand)) & both_valid) == both_valid)
++ /* clear any previous status */
++ bcma_write32(core, D11REGOFFS(macintstatus), MI_BCNTPL);
++
++ if (wlc->beacon_template_virgin) {
++ wlc->beacon_template_virgin = false;
++ brcms_c_beacon_write(wlc, beacon, tim_offset, dtim_period, true,
++ true);
++ /* mark beacon0 valid */
++ bcma_set32(core, D11REGOFFS(maccommand), MCMD_BCN0VLD);
++ return;
++ }
++
++ /* Check that after scheduling the interrupt both of the
++ * templates are still busy. if not clear the int. & remask
++ */
++ if ((bcma_read32(core, D11REGOFFS(maccommand)) & both_valid) == both_valid) {
++ wlc->defmacintmask |= MI_BCNTPL;
++ return;
++ }
++
++ if (!(bcma_read32(core, D11REGOFFS(maccommand)) & MCMD_BCN0VLD)) {
++ brcms_c_beacon_write(wlc, beacon, tim_offset, dtim_period, true,
++ false);
++ /* mark beacon0 valid */
++ bcma_set32(core, D11REGOFFS(maccommand), MCMD_BCN0VLD);
++ return;
++ }
++ if (!(bcma_read32(core, D11REGOFFS(maccommand)) & MCMD_BCN1VLD)) {
++ brcms_c_beacon_write(wlc, beacon, tim_offset, dtim_period,
++ false, true);
++ /* mark beacon0 valid */
++ bcma_set32(core, D11REGOFFS(maccommand), MCMD_BCN1VLD);
++ return;
++ }
++ return;
++}
++
+ /*
+ * Update all beacons for the system.
+ */
+@@ -7386,9 +7494,31 @@ void brcms_c_update_beacon(struct brcms_
+ {
+ struct brcms_bss_cfg *bsscfg = wlc->bsscfg;
+
+- if (wlc->pub->up && bsscfg->type == BRCMS_TYPE_AP)
++ if (wlc->pub->up && bsscfg->type == BRCMS_TYPE_AP) {
+ /* Clear the soft intmask */
+ wlc->defmacintmask &= ~MI_BCNTPL;
++ if (!wlc->beacon)
++ return;
++ brcms_c_update_beacon_hw(wlc, wlc->beacon,
++ wlc->beacon_tim_offset,
++ wlc->beacon_dtim_period);
++ }
++}
++
++void brcms_c_set_new_beacon(struct brcms_c_info *wlc, struct sk_buff *beacon,
++ u16 tim_offset, u16 dtim_period)
++{
++ if (!beacon)
++ return;
++ if (wlc->beacon)
++ dev_kfree_skb_any(wlc->beacon);
++ wlc->beacon = beacon;
++
++ /* add PLCP */
++ skb_push(wlc->beacon, D11_PHY_HDR_LEN);
++ wlc->beacon_tim_offset = tim_offset;
++ wlc->beacon_dtim_period = dtim_period;
++ brcms_c_update_beacon(wlc);
+ }
+
+ /* Write ssid into shared memory */
+@@ -7786,6 +7916,10 @@ bool brcms_c_dpc(struct brcms_c_info *wl
+ brcms_rfkill_set_hw_state(wlc->wl);
+ }
+
++ /* BCN template is available */
++ if (macintstatus & MI_BCNTPL)
++ brcms_c_update_beacon(wlc);
++
+ /* it isn't done and needs to be resched if macintstatus is non-zero */
+ return wlc->macintstatus != 0;
+
+@@ -7917,6 +8051,7 @@ brcms_c_attach(struct brcms_info *wl, st
+ pub->unit = unit;
+ pub->_piomode = piomode;
+ wlc->bandinit_pending = false;
++ wlc->beacon_template_virgin = true;
+
+ /* populate struct brcms_c_info with default values */
+ brcms_c_info_init(wlc, unit);
+--- a/drivers/net/wireless/brcm80211/brcmsmac/main.h
++++ b/drivers/net/wireless/brcm80211/brcmsmac/main.h
+@@ -492,6 +492,8 @@ struct brcms_c_info {
+ bool radio_monitor;
+ bool going_down;
+
++ bool beacon_template_virgin;
++
+ struct brcms_timer *wdtimer;
+ struct brcms_timer *radio_timer;
+
+@@ -561,6 +563,10 @@ struct brcms_c_info {
+
+ struct wiphy *wiphy;
+ struct scb pri_scb;
++
++ struct sk_buff *beacon;
++ u16 beacon_tim_offset;
++ u16 beacon_dtim_period;
+ };
+
+ /* antsel module specific state */
+@@ -630,7 +636,6 @@ extern u16 brcms_c_compute_rtscts_dur(st
+ extern void brcms_c_inval_dma_pkts(struct brcms_hardware *hw,
+ struct ieee80211_sta *sta,
+ void (*dma_callback_fn));
+-extern void brcms_c_update_beacon(struct brcms_c_info *wlc);
+ extern void brcms_c_update_probe_resp(struct brcms_c_info *wlc, bool suspend);
+ extern int brcms_c_set_nmode(struct brcms_c_info *wlc);
+ extern void brcms_c_beacon_phytxctl_txant_upd(struct brcms_c_info *wlc,
+--- a/drivers/net/wireless/brcm80211/brcmsmac/pub.h
++++ b/drivers/net/wireless/brcm80211/brcmsmac/pub.h
+@@ -332,5 +332,9 @@ extern bool brcms_c_check_radio_disabled
+ extern void brcms_c_mute(struct brcms_c_info *wlc, bool on);
+ extern bool brcms_c_tx_flush_completed(struct brcms_c_info *wlc);
+ extern void brcms_c_start_station(struct brcms_c_info *wlc, u8 *addr);
++extern void brcms_c_update_beacon(struct brcms_c_info *wlc);
++extern void brcms_c_set_new_beacon(struct brcms_c_info *wlc,
++ struct sk_buff *beacon, u16 tim_offset,
++ u16 dtim_period);
+
+ #endif /* _BRCM_PUB_H_ */
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-30 23:23:11 +0000