Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next

Pull networking updates from David Miller:

 1) BPF debugger and asm tool by Daniel Borkmann.

 2) Speed up create/bind in AF_PACKET, also from Daniel Borkmann.

 3) Correct reciprocal_divide and update users, from Hannes Frederic
    Sowa and Daniel Borkmann.

 4) Currently we only have a "set" operation for the hw timestamp socket
    ioctl, add a "get" operation to match.  From Ben Hutchings.

 5) Add better trace events for debugging driver datapath problems, also
    from Ben Hutchings.

 6) Implement auto corking in TCP, from Eric Dumazet.  Basically, if we
    have a small send and a previous packet is already in the qdisc or
    device queue, defer until TX completion or we get more data.

 7) Allow userspace to manage ipv6 temporary addresses, from Jiri Pirko.

 8) Add a qdisc bypass option for AF_PACKET sockets, from Daniel
    Borkmann.

 9) Share IP header compression code between Bluetooth and IEEE802154
    layers, from Jukka Rissanen.

10) Fix ipv6 router reachability probing, from Jiri Benc.

11) Allow packets to be captured on macvtap devices, from Vlad Yasevich.

12) Support tunneling in GRO layer, from Jerry Chu.

13) Allow bonding to be configured fully using netlink, from Scott
    Feldman.

14) Allow AF_PACKET users to obtain the VLAN TPID, just like they can
    already get the TCI.  From Atzm Watanabe.

15) New "Heavy Hitter" qdisc, from Terry Lam.

16) Significantly improve the IPSEC support in pktgen, from Fan Du.

17) Allow ipv4 tunnels to cache routes, just like sockets.  From Tom
    Herbert.

18) Add Proportional Integral Enhanced packet scheduler, from Vijay
    Subramanian.

19) Allow openvswitch to mmap'd netlink, from Thomas Graf.

20) Key TCP metrics blobs also by source address, not just destination
    address.  From Christoph Paasch.

21) Support 10G in generic phylib.  From Andy Fleming.

22) Try to short-circuit GRO flow compares using device provided RX
    hash, if provided.  From Tom Herbert.

The wireless and netfilter folks have been busy little bees too.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (2064 commits)
  net/cxgb4: Fix referencing freed adapter
  ipv6: reallocate addrconf router for ipv6 address when lo device up
  fib_frontend: fix possible NULL pointer dereference
  rtnetlink: remove IFLA_BOND_SLAVE definition
  rtnetlink: remove check for fill_slave_info in rtnl_have_link_slave_info
  qlcnic: update version to 5.3.55
  qlcnic: Enhance logic to calculate msix vectors.
  qlcnic: Refactor interrupt coalescing code for all adapters.
  qlcnic: Update poll controller code path
  qlcnic: Interrupt code cleanup
  qlcnic: Enhance Tx timeout debugging.
  qlcnic: Use bool for rx_mac_learn.
  bonding: fix u64 division
  rtnetlink: add missing IFLA_BOND_AD_INFO_UNSPEC
  sfc: Use the correct maximum TX DMA ring size for SFC9100
  Add Shradha Shah as the sfc driver maintainer.
  net/vxlan: Share RX skb de-marking and checksum checks with ovs
  tulip: cleanup by using ARRAY_SIZE()
  ip_tunnel: clear IPCB in ip_tunnel_xmit() in case dst_link_failure() is called
  net/cxgb4: Don't retrieve stats during recovery
  ...

16 files changed, 441 insertions, 204 deletions

diff --git a/drivers/net/wireless/ti/wl1251/acx.c b/drivers/net/wireless/ti/wl1251/acx.c
index db6430c1a08..5a4ec56c83d 100644
--- a/drivers/net/wireless/ti/wl1251/acx.c
+++ b/drivers/net/wireless/ti/wl1251/acx.c
@@ -18,10 +18,8 @@ int wl1251_acx_frame_rates(struct wl1251 *wl, u8 ctrl_rate, u8 ctrl_mod,
 	wl1251_debug(DEBUG_ACX, "acx frame rates");
 
 	rates = kzalloc(sizeof(*rates), GFP_KERNEL);
-	if (!rates) {
-		ret = -ENOMEM;
-		goto out;
-	}
+	if (!rates)
+		return -ENOMEM;
 
 	rates->tx_ctrl_frame_rate = ctrl_rate;
 	rates->tx_ctrl_frame_mod = ctrl_mod;
@@ -49,10 +47,8 @@ int wl1251_acx_station_id(struct wl1251 *wl)
 	wl1251_debug(DEBUG_ACX, "acx dot11_station_id");
 
 	mac = kzalloc(sizeof(*mac), GFP_KERNEL);
-	if (!mac) {
-		ret = -ENOMEM;
-		goto out;
-	}
+	if (!mac)
+		return -ENOMEM;
 
 	for (i = 0; i < ETH_ALEN; i++)
 		mac->mac[i] = wl->mac_addr[ETH_ALEN - 1 - i];
@@ -74,10 +70,8 @@ int wl1251_acx_default_key(struct wl1251 *wl, u8 key_id)
 	wl1251_debug(DEBUG_ACX, "acx dot11_default_key (%d)", key_id);
 
 	default_key = kzalloc(sizeof(*default_key), GFP_KERNEL);
-	if (!default_key) {
-		ret = -ENOMEM;
-		goto out;
-	}
+	if (!default_key)
+		return -ENOMEM;
 
 	default_key->id = key_id;
 
@@ -104,10 +98,8 @@ int wl1251_acx_wake_up_conditions(struct wl1251 *wl, u8 wake_up_event,
 	wl1251_debug(DEBUG_ACX, "acx wake up conditions");
 
 	wake_up = kzalloc(sizeof(*wake_up), GFP_KERNEL);
-	if (!wake_up) {
-		ret = -ENOMEM;
-		goto out;
-	}
+	if (!wake_up)
+		return -ENOMEM;
 
 	wake_up->wake_up_event = wake_up_event;
 	wake_up->listen_interval = listen_interval;
@@ -132,16 +124,13 @@ int wl1251_acx_sleep_auth(struct wl1251 *wl, u8 sleep_auth)
 	wl1251_debug(DEBUG_ACX, "acx sleep auth");
 
 	auth = kzalloc(sizeof(*auth), GFP_KERNEL);
-	if (!auth) {
-		ret = -ENOMEM;
-		goto out;
-	}
+	if (!auth)
+		return -ENOMEM;
 
 	auth->sleep_auth = sleep_auth;
 
 	ret = wl1251_cmd_configure(wl, ACX_SLEEP_AUTH, auth, sizeof(*auth));
 
-out:
 	kfree(auth);
 	return ret;
 }
@@ -154,10 +143,8 @@ int wl1251_acx_fw_version(struct wl1251 *wl, char *buf, size_t len)
 	wl1251_debug(DEBUG_ACX, "acx fw rev");
 
 	rev = kzalloc(sizeof(*rev), GFP_KERNEL);
-	if (!rev) {
-		ret = -ENOMEM;
-		goto out;
-	}
+	if (!rev)
+		return -ENOMEM;
 
 	ret = wl1251_cmd_interrogate(wl, ACX_FW_REV, rev, sizeof(*rev));
 	if (ret < 0) {
@@ -191,10 +178,8 @@ int wl1251_acx_tx_power(struct wl1251 *wl, int power)
 		return -EINVAL;
 
 	acx = kzalloc(sizeof(*acx), GFP_KERNEL);
-	if (!acx) {
-		ret = -ENOMEM;
-		goto out;
-	}
+	if (!acx)
+		return -ENOMEM;
 
 	acx->current_tx_power = power * 10;
 
@@ -209,7 +194,7 @@ out:
 	return ret;
 }
 
-int wl1251_acx_feature_cfg(struct wl1251 *wl)
+int wl1251_acx_feature_cfg(struct wl1251 *wl, u32 data_flow_options)
 {
 	struct acx_feature_config *feature;
 	int ret;
@@ -217,13 +202,11 @@ int wl1251_acx_feature_cfg(struct wl1251 *wl)
 	wl1251_debug(DEBUG_ACX, "acx feature cfg");
 
 	feature = kzalloc(sizeof(*feature), GFP_KERNEL);
-	if (!feature) {
-		ret = -ENOMEM;
-		goto out;
-	}
+	if (!feature)
+		return -ENOMEM;
 
-	/* DF_ENCRYPTION_DISABLE and DF_SNIFF_MODE_ENABLE are disabled */
-	feature->data_flow_options = 0;
+	/* DF_ENCRYPTION_DISABLE and DF_SNIFF_MODE_ENABLE can be set */
+	feature->data_flow_options = data_flow_options;
 	feature->options = 0;
 
 	ret = wl1251_cmd_configure(wl, ACX_FEATURE_CFG,
@@ -261,10 +244,8 @@ int wl1251_acx_data_path_params(struct wl1251 *wl,
 	wl1251_debug(DEBUG_ACX, "acx data path params");
 
 	params = kzalloc(sizeof(*params), GFP_KERNEL);
-	if (!params) {
-		ret = -ENOMEM;
-		goto out;
-	}
+	if (!params)
+		return -ENOMEM;
 
 	params->rx_packet_ring_chunk_size = DP_RX_PACKET_RING_CHUNK_SIZE;
 	params->tx_packet_ring_chunk_size = DP_TX_PACKET_RING_CHUNK_SIZE;
@@ -309,10 +290,8 @@ int wl1251_acx_rx_msdu_life_time(struct wl1251 *wl, u32 life_time)
 	wl1251_debug(DEBUG_ACX, "acx rx msdu life time");
 
 	acx = kzalloc(sizeof(*acx), GFP_KERNEL);
-	if (!acx) {
-		ret = -ENOMEM;
-		goto out;
-	}
+	if (!acx)
+		return -ENOMEM;
 
 	acx->lifetime = life_time;
 	ret = wl1251_cmd_configure(wl, DOT11_RX_MSDU_LIFE_TIME,
@@ -335,10 +314,8 @@ int wl1251_acx_rx_config(struct wl1251 *wl, u32 config, u32 filter)
 	wl1251_debug(DEBUG_ACX, "acx rx config");
 
 	rx_config = kzalloc(sizeof(*rx_config), GFP_KERNEL);
-	if (!rx_config) {
-		ret = -ENOMEM;
-		goto out;
-	}
+	if (!rx_config)
+		return -ENOMEM;
 
 	rx_config->config_options = config;
 	rx_config->filter_options = filter;
@@ -363,10 +340,8 @@ int wl1251_acx_pd_threshold(struct wl1251 *wl)
 	wl1251_debug(DEBUG_ACX, "acx data pd threshold");
 
 	pd = kzalloc(sizeof(*pd), GFP_KERNEL);
-	if (!pd) {
-		ret = -ENOMEM;
-		goto out;
-	}
+	if (!pd)
+		return -ENOMEM;
 
 	/* FIXME: threshold value not set */
 
@@ -389,10 +364,8 @@ int wl1251_acx_slot(struct wl1251 *wl, enum acx_slot_type slot_time)
 	wl1251_debug(DEBUG_ACX, "acx slot");
 
 	slot = kzalloc(sizeof(*slot), GFP_KERNEL);
-	if (!slot) {
-		ret = -ENOMEM;
-		goto out;
-	}
+	if (!slot)
+		return -ENOMEM;
 
 	slot->wone_index = STATION_WONE_INDEX;
 	slot->slot_time = slot_time;
@@ -408,7 +381,8 @@ out:
 	return ret;
 }
 
-int wl1251_acx_group_address_tbl(struct wl1251 *wl)
+int wl1251_acx_group_address_tbl(struct wl1251 *wl, bool enable,
+				 void *mc_list, u32 mc_list_len)
 {
 	struct acx_dot11_grp_addr_tbl *acx;
 	int ret;
@@ -416,15 +390,13 @@ int wl1251_acx_group_address_tbl(struct wl1251 *wl)
 	wl1251_debug(DEBUG_ACX, "acx group address tbl");
 
 	acx = kzalloc(sizeof(*acx), GFP_KERNEL);
-	if (!acx) {
-		ret = -ENOMEM;
-		goto out;
-	}
+	if (!acx)
+		return -ENOMEM;
 
 	/* MAC filtering */
-	acx->enabled = 0;
-	acx->num_groups = 0;
-	memset(acx->mac_table, 0, ADDRESS_GROUP_MAX_LEN);
+	acx->enabled = enable;
+	acx->num_groups = mc_list_len;
+	memcpy(acx->mac_table, mc_list, mc_list_len * ETH_ALEN);
 
 	ret = wl1251_cmd_configure(wl, DOT11_GROUP_ADDRESS_TBL,
 				   acx, sizeof(*acx));
@@ -444,10 +416,8 @@ int wl1251_acx_service_period_timeout(struct wl1251 *wl)
 	int ret;
 
 	rx_timeout = kzalloc(sizeof(*rx_timeout), GFP_KERNEL);
-	if (!rx_timeout) {
-		ret = -ENOMEM;
-		goto out;
-	}
+	if (!rx_timeout)
+		return -ENOMEM;
 
 	wl1251_debug(DEBUG_ACX, "acx service period timeout");
 
@@ -475,10 +445,8 @@ int wl1251_acx_rts_threshold(struct wl1251 *wl, u16 rts_threshold)
 	wl1251_debug(DEBUG_ACX, "acx rts threshold");
 
 	rts = kzalloc(sizeof(*rts), GFP_KERNEL);
-	if (!rts) {
-		ret = -ENOMEM;
-		goto out;
-	}
+	if (!rts)
+		return -ENOMEM;
 
 	rts->threshold = rts_threshold;
 
@@ -501,10 +469,8 @@ int wl1251_acx_beacon_filter_opt(struct wl1251 *wl, bool enable_filter)
 	wl1251_debug(DEBUG_ACX, "acx beacon filter opt");
 
 	beacon_filter = kzalloc(sizeof(*beacon_filter), GFP_KERNEL);
-	if (!beacon_filter) {
-		ret = -ENOMEM;
-		goto out;
-	}
+	if (!beacon_filter)
+		return -ENOMEM;
 
 	beacon_filter->enable = enable_filter;
 	beacon_filter->max_num_beacons = 0;
@@ -530,10 +496,8 @@ int wl1251_acx_beacon_filter_table(struct wl1251 *wl)
 	wl1251_debug(DEBUG_ACX, "acx beacon filter table");
 
 	ie_table = kzalloc(sizeof(*ie_table), GFP_KERNEL);
-	if (!ie_table) {
-		ret = -ENOMEM;
-		goto out;
-	}
+	if (!ie_table)
+		return -ENOMEM;
 
 	/* configure default beacon pass-through rules */
 	ie_table->num_ie = 1;
@@ -560,10 +524,8 @@ int wl1251_acx_conn_monit_params(struct wl1251 *wl)
 	wl1251_debug(DEBUG_ACX, "acx connection monitor parameters");
 
 	acx = kzalloc(sizeof(*acx), GFP_KERNEL);
-	if (!acx) {
-		ret = -ENOMEM;
-		goto out;
-	}
+	if (!acx)
+		return -ENOMEM;
 
 	acx->synch_fail_thold = SYNCH_FAIL_DEFAULT_THRESHOLD;
 	acx->bss_lose_timeout = NO_BEACON_DEFAULT_TIMEOUT;
@@ -589,10 +551,8 @@ int wl1251_acx_sg_enable(struct wl1251 *wl)
 	wl1251_debug(DEBUG_ACX, "acx sg enable");
 
 	pta = kzalloc(sizeof(*pta), GFP_KERNEL);
-	if (!pta) {
-		ret = -ENOMEM;
-		goto out;
-	}
+	if (!pta)
+		return -ENOMEM;
 
 	pta->enable = SG_ENABLE;
 
@@ -615,10 +575,8 @@ int wl1251_acx_sg_cfg(struct wl1251 *wl)
 	wl1251_debug(DEBUG_ACX, "acx sg cfg");
 
 	param = kzalloc(sizeof(*param), GFP_KERNEL);
-	if (!param) {
-		ret = -ENOMEM;
-		goto out;
-	}
+	if (!param)
+		return -ENOMEM;
 
 	/* BT-WLAN coext parameters */
 	param->min_rate = RATE_INDEX_24MBPS;
@@ -669,10 +627,8 @@ int wl1251_acx_cca_threshold(struct wl1251 *wl)
 	wl1251_debug(DEBUG_ACX, "acx cca threshold");
 
 	detection = kzalloc(sizeof(*detection), GFP_KERNEL);
-	if (!detection) {
-		ret = -ENOMEM;
-		goto out;
-	}
+	if (!detection)
+		return -ENOMEM;
 
 	detection->rx_cca_threshold = CCA_THRSH_DISABLE_ENERGY_D;
 	detection->tx_energy_detection = 0;
@@ -682,7 +638,6 @@ int wl1251_acx_cca_threshold(struct wl1251 *wl)
 	if (ret < 0)
 		wl1251_warning("failed to set cca threshold: %d", ret);
 
-out:
 	kfree(detection);
 	return ret;
 }
@@ -695,10 +650,8 @@ int wl1251_acx_bcn_dtim_options(struct wl1251 *wl)
 	wl1251_debug(DEBUG_ACX, "acx bcn dtim options");
 
 	bb = kzalloc(sizeof(*bb), GFP_KERNEL);
-	if (!bb) {
-		ret = -ENOMEM;
-		goto out;
-	}
+	if (!bb)
+		return -ENOMEM;
 
 	bb->beacon_rx_timeout = BCN_RX_TIMEOUT_DEF_VALUE;
 	bb->broadcast_timeout = BROADCAST_RX_TIMEOUT_DEF_VALUE;
@@ -724,10 +677,8 @@ int wl1251_acx_aid(struct wl1251 *wl, u16 aid)
 	wl1251_debug(DEBUG_ACX, "acx aid");
 
 	acx_aid = kzalloc(sizeof(*acx_aid), GFP_KERNEL);
-	if (!acx_aid) {
-		ret = -ENOMEM;
-		goto out;
-	}
+	if (!acx_aid)
+		return -ENOMEM;
 
 	acx_aid->aid = aid;
 
@@ -750,10 +701,8 @@ int wl1251_acx_event_mbox_mask(struct wl1251 *wl, u32 event_mask)
 	wl1251_debug(DEBUG_ACX, "acx event mbox mask");
 
 	mask = kzalloc(sizeof(*mask), GFP_KERNEL);
-	if (!mask) {
-		ret = -ENOMEM;
-		goto out;
-	}
+	if (!mask)
+		return -ENOMEM;
 
 	/* high event mask is unused */
 	mask->high_event_mask = 0xffffffff;
@@ -805,10 +754,8 @@ int wl1251_acx_set_preamble(struct wl1251 *wl, enum acx_preamble_type preamble)
 	wl1251_debug(DEBUG_ACX, "acx_set_preamble");
 
 	acx = kzalloc(sizeof(*acx), GFP_KERNEL);
-	if (!acx) {
-		ret = -ENOMEM;
-		goto out;
-	}
+	if (!acx)
+		return -ENOMEM;
 
 	acx->preamble = preamble;
 
@@ -832,10 +779,8 @@ int wl1251_acx_cts_protect(struct wl1251 *wl,
 	wl1251_debug(DEBUG_ACX, "acx_set_ctsprotect");
 
 	acx = kzalloc(sizeof(*acx), GFP_KERNEL);
-	if (!acx) {
-		ret = -ENOMEM;
-		goto out;
-	}
+	if (!acx)
+		return -ENOMEM;
 
 	acx->ctsprotect = ctsprotect;
 
@@ -856,10 +801,8 @@ int wl1251_acx_tsf_info(struct wl1251 *wl, u64 *mactime)
 	int ret;
 
 	tsf_info = kzalloc(sizeof(*tsf_info), GFP_KERNEL);
-	if (!tsf_info) {
-		ret = -ENOMEM;
-		goto out;
-	}
+	if (!tsf_info)
+		return -ENOMEM;
 
 	ret = wl1251_cmd_interrogate(wl, ACX_TSF_INFO,
 				     tsf_info, sizeof(*tsf_info));
@@ -900,19 +843,22 @@ int wl1251_acx_rate_policies(struct wl1251 *wl)
 	wl1251_debug(DEBUG_ACX, "acx rate policies");
 
 	acx = kzalloc(sizeof(*acx), GFP_KERNEL);
-
-	if (!acx) {
-		ret = -ENOMEM;
-		goto out;
-	}
+	if (!acx)
+		return -ENOMEM;
 
 	/* configure one default (one-size-fits-all) rate class */
-	acx->rate_class_cnt = 1;
+	acx->rate_class_cnt = 2;
 	acx->rate_class[0].enabled_rates = ACX_RATE_MASK_UNSPECIFIED;
 	acx->rate_class[0].short_retry_limit = ACX_RATE_RETRY_LIMIT;
 	acx->rate_class[0].long_retry_limit = ACX_RATE_RETRY_LIMIT;
 	acx->rate_class[0].aflags = 0;
 
+	/* no-retry rate class */
+	acx->rate_class[1].enabled_rates = ACX_RATE_MASK_UNSPECIFIED;
+	acx->rate_class[1].short_retry_limit = 0;
+	acx->rate_class[1].long_retry_limit = 0;
+	acx->rate_class[1].aflags = 0;
+
 	ret = wl1251_cmd_configure(wl, ACX_RATE_POLICY, acx, sizeof(*acx));
 	if (ret < 0) {
 		wl1251_warning("Setting of rate policies failed: %d", ret);
@@ -932,10 +878,8 @@ int wl1251_acx_mem_cfg(struct wl1251 *wl)
 	wl1251_debug(DEBUG_ACX, "acx mem cfg");
 
 	mem_conf = kzalloc(sizeof(*mem_conf), GFP_KERNEL);
-	if (!mem_conf) {
-		ret = -ENOMEM;
-		goto out;
-	}
+	if (!mem_conf)
+		return -ENOMEM;
 
 	/* memory config */
 	mem_conf->mem_config.num_stations = cpu_to_le16(DEFAULT_NUM_STATIONS);
@@ -979,10 +923,8 @@ int wl1251_acx_wr_tbtt_and_dtim(struct wl1251 *wl, u16 tbtt, u8 dtim)
 	wl1251_debug(DEBUG_ACX, "acx tbtt and dtim");
 
 	acx = kzalloc(sizeof(*acx), GFP_KERNEL);
-	if (!acx) {
-		ret = -ENOMEM;
-		goto out;
-	}
+	if (!acx)
+		return -ENOMEM;
 
 	acx->tbtt = tbtt;
 	acx->dtim = dtim;
@@ -1008,10 +950,8 @@ int wl1251_acx_bet_enable(struct wl1251 *wl, enum wl1251_acx_bet_mode mode,
 	wl1251_debug(DEBUG_ACX, "acx bet enable");
 
 	acx = kzalloc(sizeof(*acx), GFP_KERNEL);
-	if (!acx) {
-		ret = -ENOMEM;
-		goto out;
-	}
+	if (!acx)
+		return -ENOMEM;
 
 	acx->enable = mode;
 	acx->max_consecutive = max_consecutive;
@@ -1027,6 +967,32 @@ out:
 	return ret;
 }
 
+int wl1251_acx_arp_ip_filter(struct wl1251 *wl, bool enable, __be32 address)
+{
+	struct wl1251_acx_arp_filter *acx;
+	int ret;
+
+	wl1251_debug(DEBUG_ACX, "acx arp ip filter, enable: %d", enable);
+
+	acx = kzalloc(sizeof(*acx), GFP_KERNEL);
+	if (!acx)
+		return -ENOMEM;
+
+	acx->version = ACX_IPV4_VERSION;
+	acx->enable = enable;
+
+	if (enable)
+		memcpy(acx->address, &address, ACX_IPV4_ADDR_SIZE);
+
+	ret = wl1251_cmd_configure(wl, ACX_ARP_IP_FILTER,
+				   acx, sizeof(*acx));
+	if (ret < 0)
+		wl1251_warning("failed to set arp ip filter: %d", ret);
+
+	kfree(acx);
+	return ret;
+}
+
 int wl1251_acx_ac_cfg(struct wl1251 *wl, u8 ac, u8 cw_min, u16 cw_max,
 		      u8 aifs, u16 txop)
 {
@@ -1037,11 +1003,8 @@ int wl1251_acx_ac_cfg(struct wl1251 *wl, u8 ac, u8 cw_min, u16 cw_max,
 		     "aifs %d txop %d", ac, cw_min, cw_max, aifs, txop);
 
 	acx = kzalloc(sizeof(*acx), GFP_KERNEL);
-
-	if (!acx) {
-		ret = -ENOMEM;
-		goto out;
-	}
+	if (!acx)
+		return -ENOMEM;
 
 	acx->ac = ac;
 	acx->cw_min = cw_min;
@@ -1073,11 +1036,8 @@ int wl1251_acx_tid_cfg(struct wl1251 *wl, u8 queue,
 		     ps_scheme, ack_policy);
 
 	acx = kzalloc(sizeof(*acx), GFP_KERNEL);
-
-	if (!acx) {
-		ret = -ENOMEM;
-		goto out;
-	}
+	if (!acx)
+		return -ENOMEM;
 
 	acx->queue = queue;
 	acx->type = type;
diff --git a/drivers/net/wireless/ti/wl1251/acx.h b/drivers/net/wireless/ti/wl1251/acx.h
index c2ba100f9b1..2bdec38699f 100644
--- a/drivers/net/wireless/ti/wl1251/acx.h
+++ b/drivers/net/wireless/ti/wl1251/acx.h
@@ -350,8 +350,8 @@ struct acx_slot {
 } __packed;
 
 
-#define ADDRESS_GROUP_MAX	(8)
-#define ADDRESS_GROUP_MAX_LEN	(ETH_ALEN * ADDRESS_GROUP_MAX)
+#define ACX_MC_ADDRESS_GROUP_MAX	(8)
+#define ACX_MC_ADDRESS_GROUP_MAX_LEN	(ETH_ALEN * ACX_MC_ADDRESS_GROUP_MAX)
 
 struct acx_dot11_grp_addr_tbl {
 	struct acx_header header;
@@ -359,7 +359,7 @@ struct acx_dot11_grp_addr_tbl {
 	u8 enabled;
 	u8 num_groups;
 	u8 pad[2];
-	u8 mac_table[ADDRESS_GROUP_MAX_LEN];
+	u8 mac_table[ACX_MC_ADDRESS_GROUP_MAX_LEN];
 } __packed;
 
 
@@ -1232,6 +1232,20 @@ struct wl1251_acx_bet_enable {
 	u8 padding[2];
 } __packed;
 
+#define ACX_IPV4_VERSION 4
+#define ACX_IPV6_VERSION 6
+#define ACX_IPV4_ADDR_SIZE 4
+struct wl1251_acx_arp_filter {
+	struct acx_header header;
+	u8 version;	/* The IP version: 4 - IPv4, 6 - IPv6.*/
+	u8 enable;	/* 1 - ARP filtering is enabled, 0 - disabled */
+	u8 padding[2];
+	u8 address[16];	/* The IP address used to filter ARP packets.
+			   ARP packets that do not match this address are
+			   dropped. When the IP Version is 4, the last 12
+			   bytes of the the address are ignored. */
+} __attribute__((packed));
+
 struct wl1251_acx_ac_cfg {
 	struct acx_header header;
 
@@ -1440,7 +1454,7 @@ int wl1251_acx_wake_up_conditions(struct wl1251 *wl, u8 wake_up_event,
 int wl1251_acx_sleep_auth(struct wl1251 *wl, u8 sleep_auth);
 int wl1251_acx_fw_version(struct wl1251 *wl, char *buf, size_t len);
 int wl1251_acx_tx_power(struct wl1251 *wl, int power);
-int wl1251_acx_feature_cfg(struct wl1251 *wl);
+int wl1251_acx_feature_cfg(struct wl1251 *wl, u32 data_flow_options);
 int wl1251_acx_mem_map(struct wl1251 *wl,
 		       struct acx_header *mem_map, size_t len);
 int wl1251_acx_data_path_params(struct wl1251 *wl,
@@ -1449,7 +1463,8 @@ int wl1251_acx_rx_msdu_life_time(struct wl1251 *wl, u32 life_time);
 int wl1251_acx_rx_config(struct wl1251 *wl, u32 config, u32 filter);
 int wl1251_acx_pd_threshold(struct wl1251 *wl);
 int wl1251_acx_slot(struct wl1251 *wl, enum acx_slot_type slot_time);
-int wl1251_acx_group_address_tbl(struct wl1251 *wl);
+int wl1251_acx_group_address_tbl(struct wl1251 *wl, bool enable,
+				 void *mc_list, u32 mc_list_len);
 int wl1251_acx_service_period_timeout(struct wl1251 *wl);
 int wl1251_acx_rts_threshold(struct wl1251 *wl, u16 rts_threshold);
 int wl1251_acx_beacon_filter_opt(struct wl1251 *wl, bool enable_filter);
@@ -1473,6 +1488,7 @@ int wl1251_acx_mem_cfg(struct wl1251 *wl);
 int wl1251_acx_wr_tbtt_and_dtim(struct wl1251 *wl, u16 tbtt, u8 dtim);
 int wl1251_acx_bet_enable(struct wl1251 *wl, enum wl1251_acx_bet_mode mode,
 			  u8 max_consecutive);
+int wl1251_acx_arp_ip_filter(struct wl1251 *wl, bool enable, __be32 address);
 int wl1251_acx_ac_cfg(struct wl1251 *wl, u8 ac, u8 cw_min, u16 cw_max,
 		      u8 aifs, u16 txop);
 int wl1251_acx_tid_cfg(struct wl1251 *wl, u8 queue,
diff --git a/drivers/net/wireless/ti/wl1251/boot.c b/drivers/net/wireless/ti/wl1251/boot.c
index a2e5241382d..2000cd53607 100644
--- a/drivers/net/wireless/ti/wl1251/boot.c
+++ b/drivers/net/wireless/ti/wl1251/boot.c
@@ -299,7 +299,8 @@ int wl1251_boot_run_firmware(struct wl1251 *wl)
 		ROAMING_TRIGGER_LOW_RSSI_EVENT_ID |
 		ROAMING_TRIGGER_REGAINED_RSSI_EVENT_ID |
 		REGAINED_BSS_EVENT_ID | BT_PTA_SENSE_EVENT_ID |
-		BT_PTA_PREDICTION_EVENT_ID | JOIN_EVENT_COMPLETE_ID;
+		BT_PTA_PREDICTION_EVENT_ID | JOIN_EVENT_COMPLETE_ID |
+		PS_REPORT_EVENT_ID;
 
 	ret = wl1251_event_unmask(wl);
 	if (ret < 0) {
diff --git a/drivers/net/wireless/ti/wl1251/cmd.c b/drivers/net/wireless/ti/wl1251/cmd.c
index 6822b845efc..223649bcaa5 100644
--- a/drivers/net/wireless/ti/wl1251/cmd.c
+++ b/drivers/net/wireless/ti/wl1251/cmd.c
@@ -3,6 +3,7 @@
 #include <linux/module.h>
 #include <linux/slab.h>
 #include <linux/crc7.h>
+#include <linux/etherdevice.h>
 
 #include "wl1251.h"
 #include "reg.h"
@@ -203,11 +204,11 @@ out:
 	return ret;
 }
 
-int wl1251_cmd_data_path(struct wl1251 *wl, u8 channel, bool enable)
+int wl1251_cmd_data_path_rx(struct wl1251 *wl, u8 channel, bool enable)
 {
 	struct cmd_enabledisable_path *cmd;
 	int ret;
-	u16 cmd_rx, cmd_tx;
+	u16 cmd_rx;
 
 	wl1251_debug(DEBUG_CMD, "cmd data path");
 
@@ -219,13 +220,10 @@ int wl1251_cmd_data_path(struct wl1251 *wl, u8 channel, bool enable)
 
 	cmd->channel = channel;
 
-	if (enable) {
+	if (enable)
 		cmd_rx = CMD_ENABLE_RX;
-		cmd_tx = CMD_ENABLE_TX;
-	} else {
+	else
 		cmd_rx = CMD_DISABLE_RX;
-		cmd_tx = CMD_DISABLE_TX;
-	}
 
 	ret = wl1251_cmd_send(wl, cmd_rx, cmd, sizeof(*cmd));
 	if (ret < 0) {
@@ -237,17 +235,38 @@ int wl1251_cmd_data_path(struct wl1251 *wl, u8 channel, bool enable)
 	wl1251_debug(DEBUG_BOOT, "rx %s cmd channel %d",
 		     enable ? "start" : "stop", channel);
 
+out:
+	kfree(cmd);
+	return ret;
+}
+
+int wl1251_cmd_data_path_tx(struct wl1251 *wl, u8 channel, bool enable)
+{
+	struct cmd_enabledisable_path *cmd;
+	int ret;
+	u16 cmd_tx;
+
+	wl1251_debug(DEBUG_CMD, "cmd data path");
+
+	cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
+	if (!cmd)
+		return -ENOMEM;
+
+	cmd->channel = channel;
+
+	if (enable)
+		cmd_tx = CMD_ENABLE_TX;
+	else
+		cmd_tx = CMD_DISABLE_TX;
+
 	ret = wl1251_cmd_send(wl, cmd_tx, cmd, sizeof(*cmd));
-	if (ret < 0) {
+	if (ret < 0)
 		wl1251_error("tx %s cmd for channel %d failed",
 			     enable ? "start" : "stop", channel);
-		goto out;
-	}
-
-	wl1251_debug(DEBUG_BOOT, "tx %s cmd channel %d",
-		     enable ? "start" : "stop", channel);
+	else
+		wl1251_debug(DEBUG_BOOT, "tx %s cmd channel %d",
+			     enable ? "start" : "stop", channel);
 
-out:
 	kfree(cmd);
 	return ret;
 }
@@ -410,7 +429,9 @@ int wl1251_cmd_scan(struct wl1251 *wl, u8 *ssid, size_t ssid_len,
 	struct wl1251_cmd_scan *cmd;
 	int i, ret = 0;
 
-	wl1251_debug(DEBUG_CMD, "cmd scan");
+	wl1251_debug(DEBUG_CMD, "cmd scan channels %d", n_channels);
+
+	WARN_ON(n_channels > SCAN_MAX_NUM_OF_CHANNELS);
 
 	cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
 	if (!cmd)
@@ -421,6 +442,13 @@ int wl1251_cmd_scan(struct wl1251 *wl, u8 *ssid, size_t ssid_len,
 						    CFG_RX_MGMT_EN |
 						    CFG_RX_BCN_EN);
 	cmd->params.scan_options = 0;
+	/*
+	 * Use high priority scan when not associated to prevent fw issue
+	 * causing never-ending scans (sometimes 20+ minutes).
+	 * Note: This bug may be caused by the fw's DTIM handling.
+	 */
+	if (is_zero_ether_addr(wl->bssid))
+		cmd->params.scan_options |= WL1251_SCAN_OPT_PRIORITY_HIGH;
 	cmd->params.num_channels = n_channels;
 	cmd->params.num_probe_requests = n_probes;
 	cmd->params.tx_rate = cpu_to_le16(1 << 1); /* 2 Mbps */
diff --git a/drivers/net/wireless/ti/wl1251/cmd.h b/drivers/net/wireless/ti/wl1251/cmd.h
index ee4f2b39182..d824ff97831 100644
--- a/drivers/net/wireless/ti/wl1251/cmd.h
+++ b/drivers/net/wireless/ti/wl1251/cmd.h
@@ -35,7 +35,8 @@ int wl1251_cmd_interrogate(struct wl1251 *wl, u16 id, void *buf, size_t len);
 int wl1251_cmd_configure(struct wl1251 *wl, u16 id, void *buf, size_t len);
 int wl1251_cmd_vbm(struct wl1251 *wl, u8 identity,
 		   void *bitmap, u16 bitmap_len, u8 bitmap_control);
-int wl1251_cmd_data_path(struct wl1251 *wl, u8 channel, bool enable);
+int wl1251_cmd_data_path_rx(struct wl1251 *wl, u8 channel, bool enable);
+int wl1251_cmd_data_path_tx(struct wl1251 *wl, u8 channel, bool enable);
 int wl1251_cmd_join(struct wl1251 *wl, u8 bss_type, u8 channel,
 		    u16 beacon_interval, u8 dtim_interval);
 int wl1251_cmd_ps_mode(struct wl1251 *wl, u8 ps_mode);
@@ -167,6 +168,11 @@ struct cmd_read_write_memory {
 #define CMDMBOX_HEADER_LEN 4
 #define CMDMBOX_INFO_ELEM_HEADER_LEN 4
 
+#define WL1251_SCAN_OPT_PASSIVE		1
+#define WL1251_SCAN_OPT_5GHZ_BAND	2
+#define WL1251_SCAN_OPT_TRIGGERD_SCAN	4
+#define WL1251_SCAN_OPT_PRIORITY_HIGH	8
+
 #define WL1251_SCAN_MIN_DURATION 30000
 #define WL1251_SCAN_MAX_DURATION 60000
 
diff --git a/drivers/net/wireless/ti/wl1251/event.c b/drivers/net/wireless/ti/wl1251/event.c
index 74ae8e1c2e3..db010531374 100644
--- a/drivers/net/wireless/ti/wl1251/event.c
+++ b/drivers/net/wireless/ti/wl1251/event.c
@@ -46,6 +46,43 @@ static int wl1251_event_scan_complete(struct wl1251 *wl,
 	return ret;
 }
 
+#define WL1251_PSM_ENTRY_RETRIES  3
+static int wl1251_event_ps_report(struct wl1251 *wl,
+				  struct event_mailbox *mbox)
+{
+	int ret = 0;
+
+	wl1251_debug(DEBUG_EVENT, "ps status: %x", mbox->ps_status);
+
+	switch (mbox->ps_status) {
+	case EVENT_ENTER_POWER_SAVE_FAIL:
+		wl1251_debug(DEBUG_PSM, "PSM entry failed");
+
+		if (wl->station_mode != STATION_POWER_SAVE_MODE) {
+			/* remain in active mode */
+			wl->psm_entry_retry = 0;
+			break;
+		}
+
+		if (wl->psm_entry_retry < WL1251_PSM_ENTRY_RETRIES) {
+			wl->psm_entry_retry++;
+			ret = wl1251_ps_set_mode(wl, STATION_POWER_SAVE_MODE);
+		} else {
+			wl1251_error("Power save entry failed, giving up");
+			wl->psm_entry_retry = 0;
+		}
+		break;
+	case EVENT_ENTER_POWER_SAVE_SUCCESS:
+	case EVENT_EXIT_POWER_SAVE_FAIL:
+	case EVENT_EXIT_POWER_SAVE_SUCCESS:
+	default:
+		wl->psm_entry_retry = 0;
+		break;
+	}
+
+	return 0;
+}
+
 static void wl1251_event_mbox_dump(struct event_mailbox *mbox)
 {
 	wl1251_debug(DEBUG_EVENT, "MBOX DUMP:");
@@ -80,7 +117,14 @@ static int wl1251_event_process(struct wl1251 *wl, struct event_mailbox *mbox)
 		}
 	}
 
-	if (vector & SYNCHRONIZATION_TIMEOUT_EVENT_ID) {
+	if (vector & PS_REPORT_EVENT_ID) {
+		wl1251_debug(DEBUG_EVENT, "PS_REPORT_EVENT");
+		ret = wl1251_event_ps_report(wl, mbox);
+		if (ret < 0)
+			return ret;
+	}
+
+	if (wl->vif && vector & SYNCHRONIZATION_TIMEOUT_EVENT_ID) {
 		wl1251_debug(DEBUG_EVENT, "SYNCHRONIZATION_TIMEOUT_EVENT");
 
 		/* indicate to the stack, that beacons have been lost */
diff --git a/drivers/net/wireless/ti/wl1251/event.h b/drivers/net/wireless/ti/wl1251/event.h
index 30eb5d150bf..88570a5cd04 100644
--- a/drivers/net/wireless/ti/wl1251/event.h
+++ b/drivers/net/wireless/ti/wl1251/event.h
@@ -112,6 +112,13 @@ struct event_mailbox {
 	u8 padding[19];
 } __packed;
 
+enum {
+	EVENT_ENTER_POWER_SAVE_FAIL = 0,
+	EVENT_ENTER_POWER_SAVE_SUCCESS,
+	EVENT_EXIT_POWER_SAVE_FAIL,
+	EVENT_EXIT_POWER_SAVE_SUCCESS,
+};
+
 int wl1251_event_unmask(struct wl1251 *wl);
 void wl1251_event_mbox_config(struct wl1251 *wl);
 int wl1251_event_handle(struct wl1251 *wl, u8 mbox);
diff --git a/drivers/net/wireless/ti/wl1251/init.c b/drivers/net/wireless/ti/wl1251/init.c
index 89b43d35473..1d799bffaa9 100644
--- a/drivers/net/wireless/ti/wl1251/init.c
+++ b/drivers/net/wireless/ti/wl1251/init.c
@@ -33,7 +33,7 @@ int wl1251_hw_init_hwenc_config(struct wl1251 *wl)
 {
 	int ret;
 
-	ret = wl1251_acx_feature_cfg(wl);
+	ret = wl1251_acx_feature_cfg(wl, 0);
 	if (ret < 0) {
 		wl1251_warning("couldn't set feature config");
 		return ret;
@@ -127,7 +127,7 @@ int wl1251_hw_init_phy_config(struct wl1251 *wl)
 	if (ret < 0)
 		return ret;
 
-	ret = wl1251_acx_group_address_tbl(wl);
+	ret = wl1251_acx_group_address_tbl(wl, true, NULL, 0);
 	if (ret < 0)
 		return ret;
 
@@ -394,8 +394,13 @@ int wl1251_hw_init(struct wl1251 *wl)
 	if (ret < 0)
 		goto out_free_data_path;
 
-	/* Enable data path */
-	ret = wl1251_cmd_data_path(wl, wl->channel, 1);
+	/* Enable rx data path */
+	ret = wl1251_cmd_data_path_rx(wl, wl->channel, 1);
+	if (ret < 0)
+		goto out_free_data_path;
+
+	/* Enable tx data path */
+	ret = wl1251_cmd_data_path_tx(wl, wl->channel, 1);
 	if (ret < 0)
 		goto out_free_data_path;
 
diff --git a/drivers/net/wireless/ti/wl1251/main.c b/drivers/net/wireless/ti/wl1251/main.c
index 3291ffa9527..757e25784a8 100644
--- a/drivers/net/wireless/ti/wl1251/main.c
+++ b/drivers/net/wireless/ti/wl1251/main.c
@@ -28,6 +28,7 @@
 #include <linux/etherdevice.h>
 #include <linux/vmalloc.h>
 #include <linux/slab.h>
+#include <linux/netdevice.h>
 
 #include "wl1251.h"
 #include "wl12xx_80211.h"
@@ -479,10 +480,13 @@ static void wl1251_op_stop(struct ieee80211_hw *hw)
 	wl->next_tx_complete = 0;
 	wl->elp = false;
 	wl->station_mode = STATION_ACTIVE_MODE;
+	wl->psm_entry_retry = 0;
 	wl->tx_queue_stopped = false;
 	wl->power_level = WL1251_DEFAULT_POWER_LEVEL;
 	wl->rssi_thold = 0;
 	wl->channel = WL1251_DEFAULT_CHANNEL;
+	wl->monitor_present = false;
+	wl->joined = false;
 
 	wl1251_debugfs_reset(wl);
 
@@ -521,7 +525,7 @@ static int wl1251_op_add_interface(struct ieee80211_hw *hw,
 		goto out;
 	}
 
-	if (memcmp(wl->mac_addr, vif->addr, ETH_ALEN)) {
+	if (!ether_addr_equal_unaligned(wl->mac_addr, vif->addr)) {
 		memcpy(wl->mac_addr, vif->addr, ETH_ALEN);
 		SET_IEEE80211_PERM_ADDR(wl->hw, wl->mac_addr);
 		ret = wl1251_acx_station_id(wl);
@@ -542,6 +546,7 @@ static void wl1251_op_remove_interface(struct ieee80211_hw *hw,
 	mutex_lock(&wl->mutex);
 	wl1251_debug(DEBUG_MAC80211, "mac80211 remove interface");
 	wl->vif = NULL;
+	memset(wl->bssid, 0, ETH_ALEN);
 	mutex_unlock(&wl->mutex);
 }
 
@@ -566,6 +571,11 @@ static int wl1251_build_qos_null_data(struct wl1251 *wl)
 				       sizeof(template));
 }
 
+static bool wl1251_can_do_pm(struct ieee80211_conf *conf, struct wl1251 *wl)
+{
+	return (conf->flags & IEEE80211_CONF_PS) && !wl->monitor_present;
+}
+
 static int wl1251_op_config(struct ieee80211_hw *hw, u32 changed)
 {
 	struct wl1251 *wl = hw->priv;
@@ -575,8 +585,10 @@ static int wl1251_op_config(struct ieee80211_hw *hw, u32 changed)
 	channel = ieee80211_frequency_to_channel(
 			conf->chandef.chan->center_freq);
 
-	wl1251_debug(DEBUG_MAC80211, "mac80211 config ch %d psm %s power %d",
+	wl1251_debug(DEBUG_MAC80211,
+		     "mac80211 config ch %d monitor %s psm %s power %d",
 		     channel,
+		     conf->flags & IEEE80211_CONF_MONITOR ? "on" : "off",
 		     conf->flags & IEEE80211_CONF_PS ? "on" : "off",
 		     conf->power_level);
 
@@ -586,16 +598,44 @@ static int wl1251_op_config(struct ieee80211_hw *hw, u32 changed)
 	if (ret < 0)
 		goto out;
 
+	if (changed & IEEE80211_CONF_CHANGE_MONITOR) {
+		u32 mode;
+
+		if (conf->flags & IEEE80211_CONF_MONITOR) {
+			wl->monitor_present = true;
+			mode = DF_SNIFF_MODE_ENABLE | DF_ENCRYPTION_DISABLE;
+		} else {
+			wl->monitor_present = false;
+			mode = 0;
+		}
+
+		ret = wl1251_acx_feature_cfg(wl, mode);
+		if (ret < 0)
+			goto out_sleep;
+	}
+
 	if (channel != wl->channel) {
 		wl->channel = channel;
 
-		ret = wl1251_join(wl, wl->bss_type, wl->channel,
-				  wl->beacon_int, wl->dtim_period);
+		/*
+		 * Use ENABLE_RX command for channel switching when no
+		 * interface is present (monitor mode only).
+		 * This leaves the tx path disabled in firmware, whereas
+		 * the usual JOIN command seems to transmit some frames
+		 * at firmware level.
+		 */
+		if (wl->vif == NULL) {
+			wl->joined = false;
+			ret = wl1251_cmd_data_path_rx(wl, wl->channel, 1);
+		} else {
+			ret = wl1251_join(wl, wl->bss_type, wl->channel,
+					  wl->beacon_int, wl->dtim_period);
+		}
 		if (ret < 0)
 			goto out_sleep;
 	}
 
-	if (conf->flags & IEEE80211_CONF_PS && !wl->psm_requested) {
+	if (wl1251_can_do_pm(conf, wl) && !wl->psm_requested) {
 		wl1251_debug(DEBUG_PSM, "psm enabled");
 
 		wl->psm_requested = true;
@@ -611,8 +651,7 @@ static int wl1251_op_config(struct ieee80211_hw *hw, u32 changed)
 		ret = wl1251_ps_set_mode(wl, STATION_POWER_SAVE_MODE);
 		if (ret < 0)
 			goto out_sleep;
-	} else if (!(conf->flags & IEEE80211_CONF_PS) &&
-		   wl->psm_requested) {
+	} else if (!wl1251_can_do_pm(conf, wl) && wl->psm_requested) {
 		wl1251_debug(DEBUG_PSM, "psm disabled");
 
 		wl->psm_requested = false;
@@ -648,6 +687,16 @@ static int wl1251_op_config(struct ieee80211_hw *hw, u32 changed)
 		wl->power_level = conf->power_level;
 	}
 
+	/*
+	 * Tell stack that connection is lost because hw encryption isn't
+	 * supported in monitor mode.
+	 * This requires temporary enabling of the hw connection monitor flag
+	 */
+	if ((changed & IEEE80211_CONF_CHANGE_MONITOR) && wl->vif) {
+		wl->hw->flags |= IEEE80211_HW_CONNECTION_MONITOR;
+		ieee80211_connection_loss(wl->vif);
+	}
+
 out_sleep:
 	wl1251_ps_elp_sleep(wl);
 
@@ -657,6 +706,44 @@ out:
 	return ret;
 }
 
+struct wl1251_filter_params {
+	bool enabled;
+	int mc_list_length;
+	u8 mc_list[ACX_MC_ADDRESS_GROUP_MAX][ETH_ALEN];
+};
+
+static u64 wl1251_op_prepare_multicast(struct ieee80211_hw *hw,
+				       struct netdev_hw_addr_list *mc_list)
+{
+	struct wl1251_filter_params *fp;
+	struct netdev_hw_addr *ha;
+	struct wl1251 *wl = hw->priv;
+
+	if (unlikely(wl->state == WL1251_STATE_OFF))
+		return 0;
+
+	fp = kzalloc(sizeof(*fp), GFP_ATOMIC);
+	if (!fp) {
+		wl1251_error("Out of memory setting filters.");
+		return 0;
+	}
+
+	/* update multicast filtering parameters */
+	fp->mc_list_length = 0;
+	if (netdev_hw_addr_list_count(mc_list) > ACX_MC_ADDRESS_GROUP_MAX) {
+		fp->enabled = false;
+	} else {
+		fp->enabled = true;
+		netdev_hw_addr_list_for_each(ha, mc_list) {
+			memcpy(fp->mc_list[fp->mc_list_length],
+					ha->addr, ETH_ALEN);
+			fp->mc_list_length++;
+		}
+	}
+
+	return (u64)(unsigned long)fp;
+}
+
 #define WL1251_SUPPORTED_FILTERS (FIF_PROMISC_IN_BSS | \
 				  FIF_ALLMULTI | \
 				  FIF_FCSFAIL | \
@@ -667,8 +754,9 @@ out:
 
 static void wl1251_op_configure_filter(struct ieee80211_hw *hw,
 				       unsigned int changed,
-				       unsigned int *total,u64 multicast)
+				       unsigned int *total, u64 multicast)
 {
+	struct wl1251_filter_params *fp = (void *)(unsigned long)multicast;
 	struct wl1251 *wl = hw->priv;
 	int ret;
 
@@ -677,9 +765,11 @@ static void wl1251_op_configure_filter(struct ieee80211_hw *hw,
 	*total &= WL1251_SUPPORTED_FILTERS;
 	changed &= WL1251_SUPPORTED_FILTERS;
 
-	if (changed == 0)
+	if (changed == 0) {
 		/* no filters which we support changed */
+		kfree(fp);
 		return;
+	}
 
 	mutex_lock(&wl->mutex);
 
@@ -716,6 +806,15 @@ static void wl1251_op_configure_filter(struct ieee80211_hw *hw,
 	if (ret < 0)
 		goto out;
 
+	if (*total & FIF_ALLMULTI || *total & FIF_PROMISC_IN_BSS)
+		ret = wl1251_acx_group_address_tbl(wl, false, NULL, 0);
+	else if (fp)
+		ret = wl1251_acx_group_address_tbl(wl, fp->enabled,
+						   fp->mc_list,
+						   fp->mc_list_length);
+	if (ret < 0)
+		goto out;
+
 	/* send filters to firmware */
 	wl1251_acx_rx_config(wl, wl->rx_config, wl->rx_filter);
 
@@ -723,6 +822,7 @@ static void wl1251_op_configure_filter(struct ieee80211_hw *hw,
 
 out:
 	mutex_unlock(&wl->mutex);
+	kfree(fp);
 }
 
 /* HW encryption */
@@ -802,12 +902,12 @@ static int wl1251_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
 
 	mutex_lock(&wl->mutex);
 
-	ret = wl1251_ps_elp_wakeup(wl);
-	if (ret < 0)
-		goto out_unlock;
-
 	switch (cmd) {
 	case SET_KEY:
+		if (wl->monitor_present) {
+			ret = -EOPNOTSUPP;
+			goto out_unlock;
+		}
 		wl_cmd->key_action = KEY_ADD_OR_REPLACE;
 		break;
 	case DISABLE_KEY:
@@ -818,6 +918,10 @@ static int wl1251_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
 		break;
 	}
 
+	ret = wl1251_ps_elp_wakeup(wl);
+	if (ret < 0)
+		goto out_unlock;
+
 	ret = wl1251_set_key_type(wl, wl_cmd, cmd, key, addr);
 	if (ret < 0) {
 		wl1251_error("Set KEY type failed");
@@ -930,6 +1034,7 @@ static int wl1251_op_hw_scan(struct ieee80211_hw *hw,
 	ret = wl1251_cmd_scan(wl, ssid, ssid_len, req->channels,
 			      req->n_channels, WL1251_SCAN_NUM_PROBES);
 	if (ret < 0) {
+		wl1251_debug(DEBUG_SCAN, "scan failed %d", ret);
 		wl->scanning = false;
 		goto out_idle;
 	}
@@ -977,6 +1082,7 @@ static void wl1251_op_bss_info_changed(struct ieee80211_hw *hw,
 {
 	struct wl1251 *wl = hw->priv;
 	struct sk_buff *beacon, *skb;
+	bool enable;
 	int ret;
 
 	wl1251_debug(DEBUG_MAC80211, "mac80211 bss info changed");
@@ -1023,6 +1129,9 @@ static void wl1251_op_bss_info_changed(struct ieee80211_hw *hw,
 	}
 
 	if (changed & BSS_CHANGED_ASSOC) {
+		/* Disable temporary enabled hw connection monitor flag */
+		wl->hw->flags &= ~IEEE80211_HW_CONNECTION_MONITOR;
+
 		if (bss_conf->assoc) {
 			wl->beacon_int = bss_conf->beacon_int;
 
@@ -1075,6 +1184,17 @@ static void wl1251_op_bss_info_changed(struct ieee80211_hw *hw,
 		}
 	}
 
+	if (changed & BSS_CHANGED_ARP_FILTER) {
+		__be32 addr = bss_conf->arp_addr_list[0];
+		WARN_ON(wl->bss_type != BSS_TYPE_STA_BSS);
+
+		enable = bss_conf->arp_addr_cnt == 1 && bss_conf->assoc;
+		wl1251_acx_arp_ip_filter(wl, enable, addr);
+
+		if (ret < 0)
+			goto out_sleep;
+	}
+
 	if (changed & BSS_CHANGED_BEACON) {
 		beacon = ieee80211_beacon_get(hw, vif);
 		if (!beacon)
@@ -1245,6 +1365,7 @@ static const struct ieee80211_ops wl1251_ops = {
 	.add_interface = wl1251_op_add_interface,
 	.remove_interface = wl1251_op_remove_interface,
 	.config = wl1251_op_config,
+	.prepare_multicast = wl1251_op_prepare_multicast,
 	.configure_filter = wl1251_op_configure_filter,
 	.tx = wl1251_op_tx,
 	.set_key = wl1251_op_set_key,
@@ -1347,7 +1468,6 @@ int wl1251_init_ieee80211(struct wl1251 *wl)
 
 	/* unit us */
 	/* FIXME: find a proper value */
-	wl->hw->channel_change_time = 10000;
 
 	wl->hw->flags = IEEE80211_HW_SIGNAL_DBM |
 		IEEE80211_HW_SUPPORTS_PS |
@@ -1401,7 +1521,10 @@ struct ieee80211_hw *wl1251_alloc_hw(void)
 
 	INIT_DELAYED_WORK(&wl->elp_work, wl1251_elp_work);
 	wl->channel = WL1251_DEFAULT_CHANNEL;
+	wl->monitor_present = false;
+	wl->joined = false;
 	wl->scanning = false;
+	wl->bss_type = MAX_BSS_TYPE;
 	wl->default_key = 0;
 	wl->listen_int = 1;
 	wl->rx_counter = 0;
@@ -1413,6 +1536,7 @@ struct ieee80211_hw *wl1251_alloc_hw(void)
 	wl->elp = false;
 	wl->station_mode = STATION_ACTIVE_MODE;
 	wl->psm_requested = false;
+	wl->psm_entry_retry = 0;
 	wl->tx_queue_stopped = false;
 	wl->power_level = WL1251_DEFAULT_POWER_LEVEL;
 	wl->rssi_thold = 0;
@@ -1478,3 +1602,4 @@ MODULE_DESCRIPTION("TI wl1251 Wireles LAN Driver Core");
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Kalle Valo <kvalo@adurom.com>");
 MODULE_FIRMWARE(WL1251_FW_NAME);
+MODULE_FIRMWARE(WL1251_NVS_NAME);
diff --git a/drivers/net/wireless/ti/wl1251/rx.c b/drivers/net/wireless/ti/wl1251/rx.c
index 23289d49dd3..123c4bb50e0 100644
--- a/drivers/net/wireless/ti/wl1251/rx.c
+++ b/drivers/net/wireless/ti/wl1251/rx.c
@@ -83,7 +83,7 @@ static void wl1251_rx_status(struct wl1251 *wl,
 
 	status->flag |= RX_FLAG_MACTIME_START;
 
-	if (desc->flags & RX_DESC_ENCRYPTION_MASK) {
+	if (!wl->monitor_present && (desc->flags & RX_DESC_ENCRYPTION_MASK)) {
 		status->flag |= RX_FLAG_IV_STRIPPED | RX_FLAG_MMIC_STRIPPED;
 
 		if (likely(!(desc->flags & RX_DESC_DECRYPT_FAIL)))
diff --git a/drivers/net/wireless/ti/wl1251/tx.c b/drivers/net/wireless/ti/wl1251/tx.c
index 28121c590a2..81de83c6fcf 100644
--- a/drivers/net/wireless/ti/wl1251/tx.c
+++ b/drivers/net/wireless/ti/wl1251/tx.c
@@ -28,6 +28,7 @@
 #include "tx.h"
 #include "ps.h"
 #include "io.h"
+#include "event.h"
 
 static bool wl1251_tx_double_buffer_busy(struct wl1251 *wl, u32 data_out_count)
 {
@@ -89,8 +90,12 @@ static void wl1251_tx_control(struct tx_double_buffer_desc *tx_hdr,
 	/* 802.11 packets */
 	tx_hdr->control.packet_type = 0;
 
-	if (control->flags & IEEE80211_TX_CTL_NO_ACK)
+	/* Also disable retry and ACK policy for injected packets */
+	if ((control->flags & IEEE80211_TX_CTL_NO_ACK) ||
+	    (control->flags & IEEE80211_TX_CTL_INJECTED)) {
+		tx_hdr->control.rate_policy = 1;
 		tx_hdr->control.ack_policy = 1;
+	}
 
 	tx_hdr->control.tx_complete = 1;
 
@@ -277,6 +282,26 @@ static void wl1251_tx_trigger(struct wl1251 *wl)
 		TX_STATUS_DATA_OUT_COUNT_MASK;
 }
 
+static void enable_tx_for_packet_injection(struct wl1251 *wl)
+{
+	int ret;
+
+	ret = wl1251_cmd_join(wl, BSS_TYPE_STA_BSS, wl->channel,
+			      wl->beacon_int, wl->dtim_period);
+	if (ret < 0) {
+		wl1251_warning("join failed");
+		return;
+	}
+
+	ret = wl1251_event_wait(wl, JOIN_EVENT_COMPLETE_ID, 100);
+	if (ret < 0) {
+		wl1251_warning("join timeout");
+		return;
+	}
+
+	wl->joined = true;
+}
+
 /* caller must hold wl->mutex */
 static int wl1251_tx_frame(struct wl1251 *wl, struct sk_buff *skb)
 {
@@ -287,6 +312,9 @@ static int wl1251_tx_frame(struct wl1251 *wl, struct sk_buff *skb)
 	info = IEEE80211_SKB_CB(skb);
 
 	if (info->control.hw_key) {
+		if (unlikely(wl->monitor_present))
+			return -EINVAL;
+
 		idx = info->control.hw_key->hw_key_idx;
 		if (unlikely(wl->default_key != idx)) {
 			ret = wl1251_acx_default_key(wl, idx);
@@ -295,6 +323,10 @@ static int wl1251_tx_frame(struct wl1251 *wl, struct sk_buff *skb)
 		}
 	}
 
+	/* Enable tx path in monitor mode for packet injection */
+	if ((wl->vif == NULL) && !wl->joined)
+		enable_tx_for_packet_injection(wl);
+
 	ret = wl1251_tx_path_status(wl);
 	if (ret < 0)
 		return ret;
@@ -394,6 +426,7 @@ static void wl1251_tx_packet_cb(struct wl1251 *wl,
 	info = IEEE80211_SKB_CB(skb);
 
 	if (!(info->flags & IEEE80211_TX_CTL_NO_ACK) &&
+	    !(info->flags & IEEE80211_TX_CTL_INJECTED) &&
 	    (result->status == TX_SUCCESS))
 		info->flags |= IEEE80211_TX_STAT_ACK;
 
diff --git a/drivers/net/wireless/ti/wl1251/wl1251.h b/drivers/net/wireless/ti/wl1251/wl1251.h
index 2c3bd1bff3f..235617a7716 100644
--- a/drivers/net/wireless/ti/wl1251/wl1251.h
+++ b/drivers/net/wireless/ti/wl1251/wl1251.h
@@ -93,6 +93,7 @@ enum {
 	} while (0)
 
 #define WL1251_DEFAULT_RX_CONFIG (CFG_UNI_FILTER_EN |	\
+				  CFG_MC_FILTER_EN |	\
 				  CFG_BSSID_FILTER_EN)
 
 #define WL1251_DEFAULT_RX_FILTER (CFG_RX_PRSP_EN |  \
@@ -303,6 +304,8 @@ struct wl1251 {
 	u8 bss_type;
 	u8 listen_int;
 	int channel;
+	bool monitor_present;
+	bool joined;
 
 	void *target_mem_map;
 	struct acx_data_path_params_resp *data_path;
@@ -368,6 +371,9 @@ struct wl1251 {
 	/* PSM mode requested */
 	bool psm_requested;
 
+	/* retry counter for PSM entries */
+	u8 psm_entry_retry;
+
 	u16 beacon_int;
 	u8 dtim_period;
 
diff --git a/drivers/net/wireless/ti/wl12xx/scan.c b/drivers/net/wireless/ti/wl12xx/scan.c
index 4a0bbb13806..7541bd1a4a4 100644
--- a/drivers/net/wireless/ti/wl12xx/scan.c
+++ b/drivers/net/wireless/ti/wl12xx/scan.c
@@ -47,7 +47,7 @@ static int wl1271_get_scan_channels(struct wl1271 *wl,
 		     * In active scans, we only scan channels not
 		     * marked as passive.
 		     */
-		    (passive || !(flags & IEEE80211_CHAN_PASSIVE_SCAN))) {
+		    (passive || !(flags & IEEE80211_CHAN_NO_IR))) {
 			wl1271_debug(DEBUG_SCAN, "band %d, center_freq %d ",
 				     req->channels[i]->band,
 				     req->channels[i]->center_freq);
diff --git a/drivers/net/wireless/ti/wlcore/cmd.c b/drivers/net/wireless/ti/wlcore/cmd.c
index 34d9dfff2ad..9b2ecf52449 100644
--- a/drivers/net/wireless/ti/wlcore/cmd.c
+++ b/drivers/net/wireless/ti/wlcore/cmd.c
@@ -1688,7 +1688,7 @@ int wlcore_cmd_regdomain_config_locked(struct wl1271 *wl)
 
 			if (channel->flags & (IEEE80211_CHAN_DISABLED |
 					      IEEE80211_CHAN_RADAR |
-					      IEEE80211_CHAN_PASSIVE_SCAN))
+					      IEEE80211_CHAN_NO_IR))
 				continue;
 
 			ch_bit_idx = wlcore_get_reg_conf_ch_idx(b, ch);
diff --git a/drivers/net/wireless/ti/wlcore/main.c b/drivers/net/wireless/ti/wlcore/main.c
index 0368b9cbfb8..b46b3116cc5 100644
--- a/drivers/net/wireless/ti/wlcore/main.c
+++ b/drivers/net/wireless/ti/wlcore/main.c
@@ -91,8 +91,7 @@ static void wl1271_reg_notify(struct wiphy *wiphy,
 			continue;
 
 		if (ch->flags & IEEE80211_CHAN_RADAR)
-			ch->flags |= IEEE80211_CHAN_NO_IBSS |
-				     IEEE80211_CHAN_PASSIVE_SCAN;
+			ch->flags |= IEEE80211_CHAN_NO_IR;
 
 	}
 
@@ -4458,6 +4457,16 @@ static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw,
 	if (ret < 0)
 		goto out;
 
+	if ((changed & BSS_CHANGED_TXPOWER) &&
+	    bss_conf->txpower != wlvif->power_level) {
+
+		ret = wl1271_acx_tx_power(wl, wlvif, bss_conf->txpower);
+		if (ret < 0)
+			goto out;
+
+		wlvif->power_level = bss_conf->txpower;
+	}
+
 	if (is_ap)
 		wl1271_bss_info_changed_ap(wl, vif, bss_conf, changed);
 	else
@@ -5711,7 +5720,6 @@ static int wl1271_init_ieee80211(struct wl1271 *wl)
 
 	/* unit us */
 	/* FIXME: find a proper value */
-	wl->hw->channel_change_time = 10000;
 	wl->hw->max_listen_interval = wl->conf.conn.max_listen_interval;
 
 	wl->hw->flags = IEEE80211_HW_SIGNAL_DBM |
diff --git a/drivers/net/wireless/ti/wlcore/scan.c b/drivers/net/wireless/ti/wlcore/scan.c
index 7ed86203304..1e3d51cd673 100644
--- a/drivers/net/wireless/ti/wlcore/scan.c
+++ b/drivers/net/wireless/ti/wlcore/scan.c
@@ -188,16 +188,14 @@ wlcore_scan_get_channels(struct wl1271 *wl,
 		flags = req_channels[i]->flags;
 
 		if (force_passive)
-			flags |= IEEE80211_CHAN_PASSIVE_SCAN;
+			flags |= IEEE80211_CHAN_NO_IR;
 
 		if ((req_channels[i]->band == band) &&
 		    !(flags & IEEE80211_CHAN_DISABLED) &&
 		    (!!(flags & IEEE80211_CHAN_RADAR) == radar) &&
 		    /* if radar is set, we ignore the passive flag */
 		    (radar ||
-		     !!(flags & IEEE80211_CHAN_PASSIVE_SCAN) == passive)) {
-
-
+		     !!(flags & IEEE80211_CHAN_NO_IR) == passive)) {
 			if (flags & IEEE80211_CHAN_RADAR) {
 				channels[j].flags |= SCAN_CHANNEL_FLAGS_DFS;
 
@@ -220,7 +218,7 @@ wlcore_scan_get_channels(struct wl1271 *wl,
 			    (band == IEEE80211_BAND_2GHZ) &&
 			    (channels[j].channel >= 12) &&
 			    (channels[j].channel <= 14) &&
-			    (flags & IEEE80211_CHAN_PASSIVE_SCAN) &&
+			    (flags & IEEE80211_CHAN_NO_IR) &&
 			    !force_passive) {
 				/* pactive channels treated as DFS */
 				channels[j].flags = SCAN_CHANNEL_FLAGS_DFS;
@@ -243,8 +241,8 @@ wlcore_scan_get_channels(struct wl1271 *wl,
 				     max_dwell_time_active,
 				     flags & IEEE80211_CHAN_RADAR ?
 					", DFS" : "",
-				     flags & IEEE80211_CHAN_PASSIVE_SCAN ?
-					", PASSIVE" : "");
+				     flags & IEEE80211_CHAN_NO_IR ?
+					", NO-IR" : "");
 			j++;
 		}
 	}