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-rw-r--r--drivers/net/wireless/brcm80211/brcmfmac/cfg80211.c206
-rw-r--r--drivers/net/wireless/brcm80211/brcmfmac/firmware.c39
-rw-r--r--drivers/net/wireless/brcm80211/brcmfmac/flowring.c10
-rw-r--r--drivers/net/wireless/brcm80211/brcmfmac/fweh.h10
-rw-r--r--drivers/net/wireless/brcm80211/brcmfmac/msgbuf.c56
5 files changed, 256 insertions, 65 deletions
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/cfg80211.c b/drivers/net/wireless/brcm80211/brcmfmac/cfg80211.c
index ffe526070d6f..a293275c1b0b 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/cfg80211.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/cfg80211.c
@@ -469,6 +469,36 @@ brcmf_find_wpsie(const u8 *parse, u32 len)
return NULL;
}
+static int brcmf_vif_change_validate(struct brcmf_cfg80211_info *cfg,
+ struct brcmf_cfg80211_vif *vif,
+ enum nl80211_iftype new_type)
+{
+ int iftype_num[NUM_NL80211_IFTYPES];
+ struct brcmf_cfg80211_vif *pos;
+
+ memset(&iftype_num[0], 0, sizeof(iftype_num));
+ list_for_each_entry(pos, &cfg->vif_list, list)
+ if (pos == vif)
+ iftype_num[new_type]++;
+ else
+ iftype_num[pos->wdev.iftype]++;
+
+ return cfg80211_check_combinations(cfg->wiphy, 1, 0, iftype_num);
+}
+
+static int brcmf_vif_add_validate(struct brcmf_cfg80211_info *cfg,
+ enum nl80211_iftype new_type)
+{
+ int iftype_num[NUM_NL80211_IFTYPES];
+ struct brcmf_cfg80211_vif *pos;
+
+ memset(&iftype_num[0], 0, sizeof(iftype_num));
+ list_for_each_entry(pos, &cfg->vif_list, list)
+ iftype_num[pos->wdev.iftype]++;
+
+ iftype_num[new_type]++;
+ return cfg80211_check_combinations(cfg->wiphy, 1, 0, iftype_num);
+}
static void convert_key_from_CPU(struct brcmf_wsec_key *key,
struct brcmf_wsec_key_le *key_le)
@@ -663,8 +693,14 @@ static struct wireless_dev *brcmf_cfg80211_add_iface(struct wiphy *wiphy,
struct vif_params *params)
{
struct wireless_dev *wdev;
+ int err;
brcmf_dbg(TRACE, "enter: %s type %d\n", name, type);
+ err = brcmf_vif_add_validate(wiphy_to_cfg(wiphy), type);
+ if (err) {
+ brcmf_err("iface validation failed: err=%d\n", err);
+ return ERR_PTR(err);
+ }
switch (type) {
case NL80211_IFTYPE_ADHOC:
case NL80211_IFTYPE_STATION:
@@ -823,8 +859,12 @@ brcmf_cfg80211_change_iface(struct wiphy *wiphy, struct net_device *ndev,
s32 ap = 0;
s32 err = 0;
- brcmf_dbg(TRACE, "Enter, ndev=%p, type=%d\n", ndev, type);
-
+ brcmf_dbg(TRACE, "Enter, idx=%d, type=%d\n", ifp->bssidx, type);
+ err = brcmf_vif_change_validate(wiphy_to_cfg(wiphy), vif, type);
+ if (err) {
+ brcmf_err("iface validation failed: err=%d\n", err);
+ return err;
+ }
switch (type) {
case NL80211_IFTYPE_MONITOR:
case NL80211_IFTYPE_WDS:
@@ -5695,63 +5735,132 @@ brcmf_txrx_stypes[NUM_NL80211_IFTYPES] = {
}
};
+/**
+ * brcmf_setup_ifmodes() - determine interface modes and combinations.
+ *
+ * @wiphy: wiphy object.
+ * @ifp: interface object needed for feat module api.
+ *
+ * The interface modes and combinations are determined dynamically here
+ * based on firmware functionality.
+ *
+ * no p2p and no mbss:
+ *
+ * #STA <= 1, #AP <= 1, channels = 1, 2 total
+ *
+ * no p2p and mbss:
+ *
+ * #STA <= 1, #AP <= 1, channels = 1, 2 total
+ * #AP <= 4, matching BI, channels = 1, 4 total
+ *
+ * p2p, no mchan, and mbss:
+ *
+ * #STA <= 1, #P2P-DEV <= 1, #{P2P-CL, P2P-GO} <= 1, channels = 1, 3 total
+ * #STA <= 1, #P2P-DEV <= 1, #AP <= 1, #P2P-CL <= 1, channels = 1, 4 total
+ * #AP <= 4, matching BI, channels = 1, 4 total
+ *
+ * p2p, mchan, and mbss:
+ *
+ * #STA <= 1, #P2P-DEV <= 1, #{P2P-CL, P2P-GO} <= 1, channels = 2, 3 total
+ * #STA <= 1, #P2P-DEV <= 1, #AP <= 1, #P2P-CL <= 1, channels = 1, 4 total
+ * #AP <= 4, matching BI, channels = 1, 4 total
+ */
static int brcmf_setup_ifmodes(struct wiphy *wiphy, struct brcmf_if *ifp)
{
struct ieee80211_iface_combination *combo = NULL;
- struct ieee80211_iface_limit *limits = NULL;
- int i = 0, max_iface_cnt;
+ struct ieee80211_iface_limit *c0_limits = NULL;
+ struct ieee80211_iface_limit *p2p_limits = NULL;
+ struct ieee80211_iface_limit *mbss_limits = NULL;
+ bool mbss, p2p;
+ int i, c, n_combos;
- combo = kzalloc(sizeof(*combo), GFP_KERNEL);
+ mbss = brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MBSS);
+ p2p = brcmf_feat_is_enabled(ifp, BRCMF_FEAT_P2P);
+
+ n_combos = 1 + !!p2p + !!mbss;
+ combo = kcalloc(n_combos, sizeof(*combo), GFP_KERNEL);
if (!combo)
goto err;
- limits = kzalloc(sizeof(*limits) * 4, GFP_KERNEL);
- if (!limits)
+ c0_limits = kcalloc(p2p ? 3 : 2, sizeof(*c0_limits), GFP_KERNEL);
+ if (!c0_limits)
goto err;
+ if (p2p) {
+ p2p_limits = kcalloc(4, sizeof(*p2p_limits), GFP_KERNEL);
+ if (!p2p_limits)
+ goto err;
+ }
+
+ if (mbss) {
+ mbss_limits = kcalloc(1, sizeof(*mbss_limits), GFP_KERNEL);
+ if (!mbss_limits)
+ goto err;
+ }
+
wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
BIT(NL80211_IFTYPE_ADHOC) |
BIT(NL80211_IFTYPE_AP);
- if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MCHAN))
- combo->num_different_channels = 2;
- else
- combo->num_different_channels = 1;
-
- if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MBSS)) {
- limits[i].max = 1;
- limits[i++].types = BIT(NL80211_IFTYPE_STATION);
- limits[i].max = 4;
- limits[i++].types = BIT(NL80211_IFTYPE_AP);
- max_iface_cnt = 5;
- } else {
- limits[i].max = 2;
- limits[i++].types = BIT(NL80211_IFTYPE_STATION) |
- BIT(NL80211_IFTYPE_AP);
- max_iface_cnt = 2;
- }
-
- if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_P2P)) {
+ c = 0;
+ i = 0;
+ combo[c].num_different_channels = 1;
+ c0_limits[i].max = 1;
+ c0_limits[i++].types = BIT(NL80211_IFTYPE_STATION);
+ if (p2p) {
+ if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MCHAN))
+ combo[c].num_different_channels = 2;
wiphy->interface_modes |= BIT(NL80211_IFTYPE_P2P_CLIENT) |
BIT(NL80211_IFTYPE_P2P_GO) |
BIT(NL80211_IFTYPE_P2P_DEVICE);
- limits[i].max = 1;
- limits[i++].types = BIT(NL80211_IFTYPE_P2P_CLIENT) |
- BIT(NL80211_IFTYPE_P2P_GO);
- limits[i].max = 1;
- limits[i++].types = BIT(NL80211_IFTYPE_P2P_DEVICE);
- max_iface_cnt += 2;
- }
- combo->max_interfaces = max_iface_cnt;
- combo->limits = limits;
- combo->n_limits = i;
-
+ c0_limits[i].max = 1;
+ c0_limits[i++].types = BIT(NL80211_IFTYPE_P2P_DEVICE);
+ c0_limits[i].max = 1;
+ c0_limits[i++].types = BIT(NL80211_IFTYPE_P2P_CLIENT) |
+ BIT(NL80211_IFTYPE_P2P_GO);
+ } else {
+ c0_limits[i].max = 1;
+ c0_limits[i++].types = BIT(NL80211_IFTYPE_AP);
+ }
+ combo[c].max_interfaces = i;
+ combo[c].n_limits = i;
+ combo[c].limits = c0_limits;
+
+ if (p2p) {
+ c++;
+ i = 0;
+ combo[c].num_different_channels = 1;
+ p2p_limits[i].max = 1;
+ p2p_limits[i++].types = BIT(NL80211_IFTYPE_STATION);
+ p2p_limits[i].max = 1;
+ p2p_limits[i++].types = BIT(NL80211_IFTYPE_AP);
+ p2p_limits[i].max = 1;
+ p2p_limits[i++].types = BIT(NL80211_IFTYPE_P2P_CLIENT);
+ p2p_limits[i].max = 1;
+ p2p_limits[i++].types = BIT(NL80211_IFTYPE_P2P_DEVICE);
+ combo[c].max_interfaces = i;
+ combo[c].n_limits = i;
+ combo[c].limits = p2p_limits;
+ }
+
+ if (mbss) {
+ c++;
+ combo[c].beacon_int_infra_match = true;
+ combo[c].num_different_channels = 1;
+ mbss_limits[0].max = 4;
+ mbss_limits[0].types = BIT(NL80211_IFTYPE_AP);
+ combo[c].max_interfaces = 4;
+ combo[c].n_limits = 1;
+ combo[c].limits = mbss_limits;
+ }
+ wiphy->n_iface_combinations = n_combos;
wiphy->iface_combinations = combo;
- wiphy->n_iface_combinations = 1;
return 0;
err:
- kfree(limits);
+ kfree(c0_limits);
+ kfree(p2p_limits);
+ kfree(mbss_limits);
kfree(combo);
return -ENOMEM;
}
@@ -5786,7 +5895,9 @@ static void brcmf_wiphy_wowl_params(struct wiphy *wiphy)
static int brcmf_setup_wiphy(struct wiphy *wiphy, struct brcmf_if *ifp)
{
struct brcmf_pub *drvr = ifp->drvr;
+ const struct ieee80211_iface_combination *combo;
struct ieee80211_supported_band *band;
+ u16 max_interfaces = 0;
__le32 bandlist[3];
u32 n_bands;
int err, i;
@@ -5799,8 +5910,13 @@ static int brcmf_setup_wiphy(struct wiphy *wiphy, struct brcmf_if *ifp)
if (err)
return err;
- for (i = 0; i < wiphy->iface_combinations->max_interfaces &&
- i < ARRAY_SIZE(drvr->addresses); i++) {
+ for (i = 0, combo = wiphy->iface_combinations;
+ i < wiphy->n_iface_combinations; i++, combo++) {
+ max_interfaces = max(max_interfaces, combo->max_interfaces);
+ }
+
+ for (i = 0; i < max_interfaces && i < ARRAY_SIZE(drvr->addresses);
+ i++) {
u8 *addr = drvr->addresses[i].addr;
memcpy(addr, drvr->mac, ETH_ALEN);
@@ -6073,11 +6189,15 @@ static void brcmf_cfg80211_reg_notifier(struct wiphy *wiphy,
static void brcmf_free_wiphy(struct wiphy *wiphy)
{
+ int i;
+
if (!wiphy)
return;
- if (wiphy->iface_combinations)
- kfree(wiphy->iface_combinations->limits);
+ if (wiphy->iface_combinations) {
+ for (i = 0; i < wiphy->n_iface_combinations; i++)
+ kfree(wiphy->iface_combinations[i].limits);
+ }
kfree(wiphy->iface_combinations);
if (wiphy->bands[IEEE80211_BAND_2GHZ]) {
kfree(wiphy->bands[IEEE80211_BAND_2GHZ]->channels);
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/firmware.c b/drivers/net/wireless/brcm80211/brcmfmac/firmware.c
index 743f16b6a072..971920f77b68 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/firmware.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/firmware.c
@@ -19,6 +19,7 @@
#include <linux/device.h>
#include <linux/firmware.h>
#include <linux/module.h>
+#include <linux/bcm47xx_nvram.h>
#include "debug.h"
#include "firmware.h"
@@ -426,18 +427,32 @@ static void brcmf_fw_request_nvram_done(const struct firmware *fw, void *ctx)
struct brcmf_fw *fwctx = ctx;
u32 nvram_length = 0;
void *nvram = NULL;
+ u8 *data = NULL;
+ size_t data_len;
+ bool raw_nvram;
brcmf_dbg(TRACE, "enter: dev=%s\n", dev_name(fwctx->dev));
- if (!fw && !(fwctx->flags & BRCMF_FW_REQ_NV_OPTIONAL))
- goto fail;
+ if (fw && fw->data) {
+ data = (u8 *)fw->data;
+ data_len = fw->size;
+ raw_nvram = false;
+ } else {
+ data = bcm47xx_nvram_get_contents(&data_len);
+ if (!data && !(fwctx->flags & BRCMF_FW_REQ_NV_OPTIONAL))
+ goto fail;
+ raw_nvram = true;
+ }
- if (fw) {
- nvram = brcmf_fw_nvram_strip(fw->data, fw->size, &nvram_length,
+ if (data)
+ nvram = brcmf_fw_nvram_strip(data, data_len, &nvram_length,
fwctx->domain_nr, fwctx->bus_nr);
+
+ if (raw_nvram)
+ bcm47xx_nvram_release_contents(data);
+ if (fw)
release_firmware(fw);
- if (!nvram && !(fwctx->flags & BRCMF_FW_REQ_NV_OPTIONAL))
- goto fail;
- }
+ if (!nvram && !(fwctx->flags & BRCMF_FW_REQ_NV_OPTIONAL))
+ goto fail;
fwctx->done(fwctx->dev, fwctx->code, nvram, nvram_length);
kfree(fwctx);
@@ -473,15 +488,9 @@ static void brcmf_fw_request_code_done(const struct firmware *fw, void *ctx)
if (!ret)
return;
- /* when nvram is optional call .done() callback here */
- if (fwctx->flags & BRCMF_FW_REQ_NV_OPTIONAL) {
- fwctx->done(fwctx->dev, fw, NULL, 0);
- kfree(fwctx);
- return;
- }
+ brcmf_fw_request_nvram_done(NULL, fwctx);
+ return;
- /* failed nvram request */
- release_firmware(fw);
fail:
brcmf_dbg(TRACE, "failed: dev=%s\n", dev_name(fwctx->dev));
device_release_driver(fwctx->dev);
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/flowring.c b/drivers/net/wireless/brcm80211/brcmfmac/flowring.c
index 59440631fec5..8d1ab4ab5be8 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/flowring.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/flowring.c
@@ -194,11 +194,15 @@ static void brcmf_flowring_block(struct brcmf_flowring *flow, u8 flowid,
spin_lock_irqsave(&flow->block_lock, flags);
ring = flow->rings[flowid];
+ if (ring->blocked == blocked) {
+ spin_unlock_irqrestore(&flow->block_lock, flags);
+ return;
+ }
ifidx = brcmf_flowring_ifidx_get(flow, flowid);
currently_blocked = false;
for (i = 0; i < flow->nrofrings; i++) {
- if (flow->rings[i]) {
+ if ((flow->rings[i]) && (i != flowid)) {
ring = flow->rings[i];
if ((ring->status == RING_OPEN) &&
(brcmf_flowring_ifidx_get(flow, i) == ifidx)) {
@@ -209,8 +213,8 @@ static void brcmf_flowring_block(struct brcmf_flowring *flow, u8 flowid,
}
}
}
- ring->blocked = blocked;
- if (currently_blocked == blocked) {
+ flow->rings[flowid]->blocked = blocked;
+ if (currently_blocked) {
spin_unlock_irqrestore(&flow->block_lock, flags);
return;
}
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/fweh.h b/drivers/net/wireless/brcm80211/brcmfmac/fweh.h
index cbf033f59109..1326898d608e 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/fweh.h
+++ b/drivers/net/wireless/brcm80211/brcmfmac/fweh.h
@@ -85,7 +85,6 @@ struct brcmf_event;
BRCMF_ENUM_DEF(IF, 54) \
BRCMF_ENUM_DEF(P2P_DISC_LISTEN_COMPLETE, 55) \
BRCMF_ENUM_DEF(RSSI, 56) \
- BRCMF_ENUM_DEF(PFN_SCAN_COMPLETE, 57) \
BRCMF_ENUM_DEF(EXTLOG_MSG, 58) \
BRCMF_ENUM_DEF(ACTION_FRAME, 59) \
BRCMF_ENUM_DEF(ACTION_FRAME_COMPLETE, 60) \
@@ -103,8 +102,7 @@ struct brcmf_event;
BRCMF_ENUM_DEF(FIFO_CREDIT_MAP, 74) \
BRCMF_ENUM_DEF(ACTION_FRAME_RX, 75) \
BRCMF_ENUM_DEF(TDLS_PEER_EVENT, 92) \
- BRCMF_ENUM_DEF(BCMC_CREDIT_SUPPORT, 127) \
- BRCMF_ENUM_DEF(PSTA_PRIMARY_INTF_IND, 128)
+ BRCMF_ENUM_DEF(BCMC_CREDIT_SUPPORT, 127)
#define BRCMF_ENUM_DEF(id, val) \
BRCMF_E_##id = (val),
@@ -112,7 +110,11 @@ struct brcmf_event;
/* firmware event codes sent by the dongle */
enum brcmf_fweh_event_code {
BRCMF_FWEH_EVENT_ENUM_DEFLIST
- BRCMF_E_LAST
+ /* this determines event mask length which must match
+ * minimum length check in device firmware so it is
+ * hard-coded here.
+ */
+ BRCMF_E_LAST = 139
};
#undef BRCMF_ENUM_DEF
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/msgbuf.c b/drivers/net/wireless/brcm80211/brcmfmac/msgbuf.c
index 898c3801e658..7b2136c9badb 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/msgbuf.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/msgbuf.c
@@ -1360,6 +1360,60 @@ void brcmf_msgbuf_delete_flowring(struct brcmf_pub *drvr, u8 flowid)
}
}
+#ifdef DEBUG
+static int brcmf_msgbuf_stats_read(struct seq_file *seq, void *data)
+{
+ struct brcmf_bus *bus_if = dev_get_drvdata(seq->private);
+ struct brcmf_pub *drvr = bus_if->drvr;
+ struct brcmf_msgbuf *msgbuf = (struct brcmf_msgbuf *)drvr->proto->pd;
+ struct brcmf_commonring *commonring;
+ u16 i;
+ struct brcmf_flowring_ring *ring;
+ struct brcmf_flowring_hash *hash;
+
+ commonring = msgbuf->commonrings[BRCMF_H2D_MSGRING_CONTROL_SUBMIT];
+ seq_printf(seq, "h2d_ctl_submit: rp %4u, wp %4u, depth %4u\n",
+ commonring->r_ptr, commonring->w_ptr, commonring->depth);
+ commonring = msgbuf->commonrings[BRCMF_H2D_MSGRING_RXPOST_SUBMIT];
+ seq_printf(seq, "h2d_rx_submit: rp %4u, wp %4u, depth %4u\n",
+ commonring->r_ptr, commonring->w_ptr, commonring->depth);
+ commonring = msgbuf->commonrings[BRCMF_D2H_MSGRING_CONTROL_COMPLETE];
+ seq_printf(seq, "d2h_ctl_cmplt: rp %4u, wp %4u, depth %4u\n",
+ commonring->r_ptr, commonring->w_ptr, commonring->depth);
+ commonring = msgbuf->commonrings[BRCMF_D2H_MSGRING_TX_COMPLETE];
+ seq_printf(seq, "d2h_tx_cmplt: rp %4u, wp %4u, depth %4u\n",
+ commonring->r_ptr, commonring->w_ptr, commonring->depth);
+ commonring = msgbuf->commonrings[BRCMF_D2H_MSGRING_RX_COMPLETE];
+ seq_printf(seq, "d2h_rx_cmplt: rp %4u, wp %4u, depth %4u\n",
+ commonring->r_ptr, commonring->w_ptr, commonring->depth);
+
+ seq_printf(seq, "\nh2d_flowrings: depth %u\n",
+ BRCMF_H2D_TXFLOWRING_MAX_ITEM);
+ seq_puts(seq, "Active flowrings:\n");
+ hash = msgbuf->flow->hash;
+ for (i = 0; i < msgbuf->flow->nrofrings; i++) {
+ if (!msgbuf->flow->rings[i])
+ continue;
+ ring = msgbuf->flow->rings[i];
+ if (ring->status != RING_OPEN)
+ continue;
+ commonring = msgbuf->flowrings[i];
+ hash = &msgbuf->flow->hash[ring->hash_id];
+ seq_printf(seq, "id %3u: rp %4u, wp %4u, qlen %4u, blocked %u\n"
+ " ifidx %u, fifo %u, da %pM\n",
+ i, commonring->r_ptr, commonring->w_ptr,
+ skb_queue_len(&ring->skblist), ring->blocked,
+ hash->ifidx, hash->fifo, hash->mac);
+ }
+
+ return 0;
+}
+#else
+static int brcmf_msgbuf_stats_read(struct seq_file *seq, void *data)
+{
+ return 0;
+}
+#endif
int brcmf_proto_msgbuf_attach(struct brcmf_pub *drvr)
{
@@ -1460,6 +1514,8 @@ int brcmf_proto_msgbuf_attach(struct brcmf_pub *drvr)
spin_lock_init(&msgbuf->flowring_work_lock);
INIT_LIST_HEAD(&msgbuf->work_queue);
+ brcmf_debugfs_add_entry(drvr, "msgbuf_stats", brcmf_msgbuf_stats_read);
+
return 0;
fail:
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.