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

Pull networking updates from David Miller:
 "Another merge window, another pull full of stuff:

   1) Support alternative names for network devices, from Jiri Pirko.

   2) Introduce per-netns netdev notifiers, also from Jiri Pirko.

   3) Support MSG_PEEK in vsock/virtio, from Matias Ezequiel Vara
      Larsen.

   4) Allow compiling out the TLS TOE code, from Jakub Kicinski.

   5) Add several new tracepoints to the kTLS code, also from Jakub.

   6) Support set channels ethtool callback in ena driver, from Sameeh
      Jubran.

   7) New SCTP events SCTP_ADDR_ADDED, SCTP_ADDR_REMOVED,
      SCTP_ADDR_MADE_PRIM, and SCTP_SEND_FAILED_EVENT. From Xin Long.

   8) Add XDP support to mvneta driver, from Lorenzo Bianconi.

   9) Lots of netfilter hw offload fixes, cleanups and enhancements,
      from Pablo Neira Ayuso.

  10) PTP support for aquantia chips, from Egor Pomozov.

  11) Add UDP segmentation offload support to igb, ixgbe, and i40e. From
      Josh Hunt.

  12) Add smart nagle to tipc, from Jon Maloy.

  13) Support L2 field rewrite by TC offloads in bnxt_en, from Venkat
      Duvvuru.

  14) Add a flow mask cache to OVS, from Tonghao Zhang.

  15) Add XDP support to ice driver, from Maciej Fijalkowski.

  16) Add AF_XDP support to ice driver, from Krzysztof Kazimierczak.

  17) Support UDP GSO offload in atlantic driver, from Igor Russkikh.

  18) Support it in stmmac driver too, from Jose Abreu.

  19) Support TIPC encryption and auth, from Tuong Lien.

  20) Introduce BPF trampolines, from Alexei Starovoitov.

  21) Make page_pool API more numa friendly, from Saeed Mahameed.

  22) Introduce route hints to ipv4 and ipv6, from Paolo Abeni.

  23) Add UDP segmentation offload to cxgb4, Rahul Lakkireddy"

* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1857 commits)
  libbpf: Fix usage of u32 in userspace code
  mm: Implement no-MMU variant of vmalloc_user_node_flags
  slip: Fix use-after-free Read in slip_open
  net: dsa: sja1105: fix sja1105_parse_rgmii_delays()
  macvlan: schedule bc_work even if error
  enetc: add support Credit Based Shaper(CBS) for hardware offload
  net: phy: add helpers phy_(un)lock_mdio_bus
  mdio_bus: don't use managed reset-controller
  ax88179_178a: add ethtool_op_get_ts_info()
  mlxsw: spectrum_router: Fix use of uninitialized adjacency index
  mlxsw: spectrum_router: After underlay moves, demote conflicting tunnels
  bpf: Simplify __bpf_arch_text_poke poke type handling
  bpf: Introduce BPF_TRACE_x helper for the tracing tests
  bpf: Add bpf_jit_blinding_enabled for !CONFIG_BPF_JIT
  bpf, testing: Add various tail call test cases
  bpf, x86: Emit patchable direct jump as tail call
  bpf: Constant map key tracking for prog array pokes
  bpf: Add poke dependency tracking for prog array maps
  bpf: Add initial poke descriptor table for jit images
  bpf: Move owner type, jited info into array auxiliary data
  ...

1 files changed, 879 insertions, 12 deletions

diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c b/drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c
index 3d7f8ff8ef58..f266647dc08c 100644
--- a/drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c
+++ b/drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c
@@ -95,6 +95,20 @@ struct iwl_dbg_tlv_ver_data {
 	int max_ver;
 };
 
+/**
+ * struct iwl_dbg_tlv_timer_node - timer node struct
+ * @list: list of &struct iwl_dbg_tlv_timer_node
+ * @timer: timer
+ * @fwrt: &struct iwl_fw_runtime
+ * @tlv: TLV attach to the timer node
+ */
+struct iwl_dbg_tlv_timer_node {
+	struct list_head list;
+	struct timer_list timer;
+	struct iwl_fw_runtime *fwrt;
+	struct iwl_ucode_tlv *tlv;
+};
+
 static const struct iwl_dbg_tlv_ver_data
 dbg_ver_table[IWL_DBG_TLV_TYPE_NUM] = {
 	[IWL_DBG_TLV_TYPE_DEBUG_INFO]	= {.min_ver = 1, .max_ver = 1,},
@@ -104,12 +118,27 @@ dbg_ver_table[IWL_DBG_TLV_TYPE_NUM] = {
 	[IWL_DBG_TLV_TYPE_TRIGGER]	= {.min_ver = 1, .max_ver = 1,},
 };
 
+static int iwl_dbg_tlv_add(struct iwl_ucode_tlv *tlv, struct list_head *list)
+{
+	u32 len = le32_to_cpu(tlv->length);
+	struct iwl_dbg_tlv_node *node;
+
+	node = kzalloc(sizeof(*node) + len, GFP_KERNEL);
+	if (!node)
+		return -ENOMEM;
+
+	memcpy(&node->tlv, tlv, sizeof(node->tlv) + len);
+	list_add_tail(&node->list, list);
+
+	return 0;
+}
+
 static bool iwl_dbg_tlv_ver_support(struct iwl_ucode_tlv *tlv)
 {
 	struct iwl_fw_ini_header *hdr = (void *)&tlv->data[0];
 	u32 type = le32_to_cpu(tlv->type);
 	u32 tlv_idx = type - IWL_UCODE_TLV_DEBUG_BASE;
-	u32 ver = le32_to_cpu(hdr->tlv_version);
+	u32 ver = le32_to_cpu(hdr->version);
 
 	if (ver < dbg_ver_table[tlv_idx].min_ver ||
 	    ver > dbg_ver_table[tlv_idx].max_ver)
@@ -118,27 +147,169 @@ static bool iwl_dbg_tlv_ver_support(struct iwl_ucode_tlv *tlv)
 	return true;
 }
 
+static int iwl_dbg_tlv_alloc_debug_info(struct iwl_trans *trans,
+					struct iwl_ucode_tlv *tlv)
+{
+	struct iwl_fw_ini_debug_info_tlv *debug_info = (void *)tlv->data;
+
+	if (le32_to_cpu(tlv->length) != sizeof(*debug_info))
+		return -EINVAL;
+
+	IWL_DEBUG_FW(trans, "WRT: Loading debug cfg: %s\n",
+		     debug_info->debug_cfg_name);
+
+	return iwl_dbg_tlv_add(tlv, &trans->dbg.debug_info_tlv_list);
+}
+
+static int iwl_dbg_tlv_alloc_buf_alloc(struct iwl_trans *trans,
+				       struct iwl_ucode_tlv *tlv)
+{
+	struct iwl_fw_ini_allocation_tlv *alloc = (void *)tlv->data;
+	u32 buf_location = le32_to_cpu(alloc->buf_location);
+	u32 alloc_id = le32_to_cpu(alloc->alloc_id);
+
+	if (le32_to_cpu(tlv->length) != sizeof(*alloc) ||
+	    (buf_location != IWL_FW_INI_LOCATION_SRAM_PATH &&
+	     buf_location != IWL_FW_INI_LOCATION_DRAM_PATH))
+		return -EINVAL;
+
+	if ((buf_location == IWL_FW_INI_LOCATION_SRAM_PATH &&
+	     alloc_id != IWL_FW_INI_ALLOCATION_ID_DBGC1) ||
+	    (buf_location == IWL_FW_INI_LOCATION_DRAM_PATH &&
+	     (alloc_id == IWL_FW_INI_ALLOCATION_INVALID ||
+	      alloc_id >= IWL_FW_INI_ALLOCATION_NUM))) {
+		IWL_ERR(trans,
+			"WRT: Invalid allocation id %u for allocation TLV\n",
+			alloc_id);
+		return -EINVAL;
+	}
+
+	trans->dbg.fw_mon_cfg[alloc_id] = *alloc;
+
+	return 0;
+}
+
+static int iwl_dbg_tlv_alloc_hcmd(struct iwl_trans *trans,
+				  struct iwl_ucode_tlv *tlv)
+{
+	struct iwl_fw_ini_hcmd_tlv *hcmd = (void *)tlv->data;
+	u32 tp = le32_to_cpu(hcmd->time_point);
+
+	if (le32_to_cpu(tlv->length) <= sizeof(*hcmd))
+		return -EINVAL;
+
+	/* Host commands can not be sent in early time point since the FW
+	 * is not ready
+	 */
+	if (tp == IWL_FW_INI_TIME_POINT_INVALID ||
+	    tp >= IWL_FW_INI_TIME_POINT_NUM ||
+	    tp == IWL_FW_INI_TIME_POINT_EARLY) {
+		IWL_ERR(trans,
+			"WRT: Invalid time point %u for host command TLV\n",
+			tp);
+		return -EINVAL;
+	}
+
+	return iwl_dbg_tlv_add(tlv, &trans->dbg.time_point[tp].hcmd_list);
+}
+
+static int iwl_dbg_tlv_alloc_region(struct iwl_trans *trans,
+				    struct iwl_ucode_tlv *tlv)
+{
+	struct iwl_fw_ini_region_tlv *reg = (void *)tlv->data;
+	struct iwl_ucode_tlv **active_reg;
+	u32 id = le32_to_cpu(reg->id);
+	u32 type = le32_to_cpu(reg->type);
+	u32 tlv_len = sizeof(*tlv) + le32_to_cpu(tlv->length);
+
+	if (le32_to_cpu(tlv->length) < sizeof(*reg))
+		return -EINVAL;
+
+	if (id >= IWL_FW_INI_MAX_REGION_ID) {
+		IWL_ERR(trans, "WRT: Invalid region id %u\n", id);
+		return -EINVAL;
+	}
+
+	if (type <= IWL_FW_INI_REGION_INVALID ||
+	    type >= IWL_FW_INI_REGION_NUM) {
+		IWL_ERR(trans, "WRT: Invalid region type %u\n", type);
+		return -EINVAL;
+	}
+
+	active_reg = &trans->dbg.active_regions[id];
+	if (*active_reg) {
+		IWL_WARN(trans, "WRT: Overriding region id %u\n", id);
+
+		kfree(*active_reg);
+	}
+
+	*active_reg = kmemdup(tlv, tlv_len, GFP_KERNEL);
+	if (!*active_reg)
+		return -ENOMEM;
+
+	IWL_DEBUG_FW(trans, "WRT: Enabling region id %u type %u\n", id, type);
+
+	return 0;
+}
+
+static int iwl_dbg_tlv_alloc_trigger(struct iwl_trans *trans,
+				     struct iwl_ucode_tlv *tlv)
+{
+	struct iwl_fw_ini_trigger_tlv *trig = (void *)tlv->data;
+	u32 tp = le32_to_cpu(trig->time_point);
+
+	if (le32_to_cpu(tlv->length) < sizeof(*trig))
+		return -EINVAL;
+
+	if (tp <= IWL_FW_INI_TIME_POINT_INVALID ||
+	    tp >= IWL_FW_INI_TIME_POINT_NUM) {
+		IWL_ERR(trans,
+			"WRT: Invalid time point %u for trigger TLV\n",
+			tp);
+		return -EINVAL;
+	}
+
+	if (!le32_to_cpu(trig->occurrences))
+		trig->occurrences = cpu_to_le32(-1);
+
+	return iwl_dbg_tlv_add(tlv, &trans->dbg.time_point[tp].trig_list);
+}
+
+static int (*dbg_tlv_alloc[])(struct iwl_trans *trans,
+			      struct iwl_ucode_tlv *tlv) = {
+	[IWL_DBG_TLV_TYPE_DEBUG_INFO]	= iwl_dbg_tlv_alloc_debug_info,
+	[IWL_DBG_TLV_TYPE_BUF_ALLOC]	= iwl_dbg_tlv_alloc_buf_alloc,
+	[IWL_DBG_TLV_TYPE_HCMD]		= iwl_dbg_tlv_alloc_hcmd,
+	[IWL_DBG_TLV_TYPE_REGION]	= iwl_dbg_tlv_alloc_region,
+	[IWL_DBG_TLV_TYPE_TRIGGER]	= iwl_dbg_tlv_alloc_trigger,
+};
+
 void iwl_dbg_tlv_alloc(struct iwl_trans *trans, struct iwl_ucode_tlv *tlv,
 		       bool ext)
 {
 	struct iwl_fw_ini_header *hdr = (void *)&tlv->data[0];
 	u32 type = le32_to_cpu(tlv->type);
-	u32 pnt = le32_to_cpu(hdr->apply_point);
 	u32 tlv_idx = type - IWL_UCODE_TLV_DEBUG_BASE;
 	enum iwl_ini_cfg_state *cfg_state = ext ?
 		&trans->dbg.external_ini_cfg : &trans->dbg.internal_ini_cfg;
+	int ret;
 
-	IWL_DEBUG_FW(trans, "WRT: read TLV 0x%x, apply point %d\n",
-		     type, pnt);
-
-	if (tlv_idx >= IWL_DBG_TLV_TYPE_NUM) {
-		IWL_ERR(trans, "WRT: Unsupported TLV 0x%x\n", type);
+	if (tlv_idx >= ARRAY_SIZE(dbg_tlv_alloc) || !dbg_tlv_alloc[tlv_idx]) {
+		IWL_ERR(trans, "WRT: Unsupported TLV type 0x%x\n", type);
 		goto out_err;
 	}
 
 	if (!iwl_dbg_tlv_ver_support(tlv)) {
 		IWL_ERR(trans, "WRT: Unsupported TLV 0x%x version %u\n", type,
-			le32_to_cpu(hdr->tlv_version));
+			le32_to_cpu(hdr->version));
+		goto out_err;
+	}
+
+	ret = dbg_tlv_alloc[tlv_idx](trans, tlv);
+	if (ret) {
+		IWL_ERR(trans,
+			"WRT: Failed to allocate TLV 0x%x, ret %d, (ext=%d)\n",
+			type, ret, ext);
 		goto out_err;
 	}
 
@@ -153,13 +324,91 @@ out_err:
 
 void iwl_dbg_tlv_del_timers(struct iwl_trans *trans)
 {
-	/* will be used later */
+	struct list_head *timer_list = &trans->dbg.periodic_trig_list;
+	struct iwl_dbg_tlv_timer_node *node, *tmp;
+
+	list_for_each_entry_safe(node, tmp, timer_list, list) {
+		del_timer(&node->timer);
+		list_del(&node->list);
+		kfree(node);
+	}
 }
 IWL_EXPORT_SYMBOL(iwl_dbg_tlv_del_timers);
 
+static void iwl_dbg_tlv_fragments_free(struct iwl_trans *trans,
+				       enum iwl_fw_ini_allocation_id alloc_id)
+{
+	struct iwl_fw_mon *fw_mon;
+	int i;
+
+	if (alloc_id <= IWL_FW_INI_ALLOCATION_INVALID ||
+	    alloc_id >= IWL_FW_INI_ALLOCATION_NUM)
+		return;
+
+	fw_mon = &trans->dbg.fw_mon_ini[alloc_id];
+
+	for (i = 0; i < fw_mon->num_frags; i++) {
+		struct iwl_dram_data *frag = &fw_mon->frags[i];
+
+		dma_free_coherent(trans->dev, frag->size, frag->block,
+				  frag->physical);
+
+		frag->physical = 0;
+		frag->block = NULL;
+		frag->size = 0;
+	}
+
+	kfree(fw_mon->frags);
+	fw_mon->frags = NULL;
+	fw_mon->num_frags = 0;
+}
+
 void iwl_dbg_tlv_free(struct iwl_trans *trans)
 {
-	/* will be used again later */
+	struct iwl_dbg_tlv_node *tlv_node, *tlv_node_tmp;
+	int i;
+
+	iwl_dbg_tlv_del_timers(trans);
+
+	for (i = 0; i < ARRAY_SIZE(trans->dbg.active_regions); i++) {
+		struct iwl_ucode_tlv **active_reg =
+			&trans->dbg.active_regions[i];
+
+		kfree(*active_reg);
+		*active_reg = NULL;
+	}
+
+	list_for_each_entry_safe(tlv_node, tlv_node_tmp,
+				 &trans->dbg.debug_info_tlv_list, list) {
+		list_del(&tlv_node->list);
+		kfree(tlv_node);
+	}
+
+	for (i = 0; i < ARRAY_SIZE(trans->dbg.time_point); i++) {
+		struct iwl_dbg_tlv_time_point_data *tp =
+			&trans->dbg.time_point[i];
+
+		list_for_each_entry_safe(tlv_node, tlv_node_tmp, &tp->trig_list,
+					 list) {
+			list_del(&tlv_node->list);
+			kfree(tlv_node);
+		}
+
+		list_for_each_entry_safe(tlv_node, tlv_node_tmp, &tp->hcmd_list,
+					 list) {
+			list_del(&tlv_node->list);
+			kfree(tlv_node);
+		}
+
+		list_for_each_entry_safe(tlv_node, tlv_node_tmp,
+					 &tp->active_trig_list, list) {
+			list_del(&tlv_node->list);
+			kfree(tlv_node);
+		}
+	}
+
+	for (i = 0; i < ARRAY_SIZE(trans->dbg.fw_mon_ini); i++)
+		iwl_dbg_tlv_fragments_free(trans, i);
 }
 
 static int iwl_dbg_tlv_parse_bin(struct iwl_trans *trans, const u8 *data,
@@ -196,7 +445,7 @@ void iwl_dbg_tlv_load_bin(struct device *dev, struct iwl_trans *trans)
 	if (!iwlwifi_mod_params.enable_ini)
 		return;
 
-	res = request_firmware(&fw, "iwl-dbg-tlv.ini", dev);
+	res = request_firmware(&fw, "iwl-debug-yoyo.bin", dev);
 	if (res)
 		return;
 
@@ -205,10 +454,628 @@ void iwl_dbg_tlv_load_bin(struct device *dev, struct iwl_trans *trans)
 	release_firmware(fw);
 }
 
+void iwl_dbg_tlv_init(struct iwl_trans *trans)
+{
+	int i;
+
+	INIT_LIST_HEAD(&trans->dbg.debug_info_tlv_list);
+	INIT_LIST_HEAD(&trans->dbg.periodic_trig_list);
+
+	for (i = 0; i < ARRAY_SIZE(trans->dbg.time_point); i++) {
+		struct iwl_dbg_tlv_time_point_data *tp =
+			&trans->dbg.time_point[i];
+
+		INIT_LIST_HEAD(&tp->trig_list);
+		INIT_LIST_HEAD(&tp->hcmd_list);
+		INIT_LIST_HEAD(&tp->active_trig_list);
+	}
+}
+
+static int iwl_dbg_tlv_alloc_fragment(struct iwl_fw_runtime *fwrt,
+				      struct iwl_dram_data *frag, u32 pages)
+{
+	void *block = NULL;
+	dma_addr_t physical;
+
+	if (!frag || frag->size || !pages)
+		return -EIO;
+
+	while (pages) {
+		block = dma_alloc_coherent(fwrt->dev, pages * PAGE_SIZE,
+					   &physical,
+					   GFP_KERNEL | __GFP_NOWARN);
+		if (block)
+			break;
+
+		IWL_WARN(fwrt, "WRT: Failed to allocate fragment size %lu\n",
+			 pages * PAGE_SIZE);
+
+		pages = DIV_ROUND_UP(pages, 2);
+	}
+
+	if (!block)
+		return -ENOMEM;
+
+	frag->physical = physical;
+	frag->block = block;
+	frag->size = pages * PAGE_SIZE;
+
+	return pages;
+}
+
+static int iwl_dbg_tlv_alloc_fragments(struct iwl_fw_runtime *fwrt,
+				       enum iwl_fw_ini_allocation_id alloc_id)
+{
+	struct iwl_fw_mon *fw_mon;
+	struct iwl_fw_ini_allocation_tlv *fw_mon_cfg;
+	u32 num_frags, remain_pages, frag_pages;
+	int i;
+
+	if (alloc_id < IWL_FW_INI_ALLOCATION_INVALID ||
+	    alloc_id >= IWL_FW_INI_ALLOCATION_NUM)
+		return -EIO;
+
+	fw_mon_cfg = &fwrt->trans->dbg.fw_mon_cfg[alloc_id];
+	fw_mon = &fwrt->trans->dbg.fw_mon_ini[alloc_id];
+
+	if (fw_mon->num_frags ||
+	    fw_mon_cfg->buf_location !=
+	    cpu_to_le32(IWL_FW_INI_LOCATION_DRAM_PATH))
+		return 0;
+
+	num_frags = le32_to_cpu(fw_mon_cfg->max_frags_num);
+	if (!fw_has_capa(&fwrt->fw->ucode_capa,
+			 IWL_UCODE_TLV_CAPA_DBG_BUF_ALLOC_CMD_SUPP)) {
+		if (alloc_id != IWL_FW_INI_ALLOCATION_ID_DBGC1)
+			return -EIO;
+		num_frags = 1;
+	}
+
+	remain_pages = DIV_ROUND_UP(le32_to_cpu(fw_mon_cfg->req_size),
+				    PAGE_SIZE);
+	num_frags = min_t(u32, num_frags, BUF_ALLOC_MAX_NUM_FRAGS);
+	num_frags = min_t(u32, num_frags, remain_pages);
+	frag_pages = DIV_ROUND_UP(remain_pages, num_frags);
+
+	fw_mon->frags = kcalloc(num_frags, sizeof(*fw_mon->frags), GFP_KERNEL);
+	if (!fw_mon->frags)
+		return -ENOMEM;
+
+	for (i = 0; i < num_frags; i++) {
+		int pages = min_t(u32, frag_pages, remain_pages);
+
+		IWL_DEBUG_FW(fwrt,
+			     "WRT: Allocating DRAM buffer (alloc_id=%u, fragment=%u, size=0x%lx)\n",
+			     alloc_id, i, pages * PAGE_SIZE);
+
+		pages = iwl_dbg_tlv_alloc_fragment(fwrt, &fw_mon->frags[i],
+						   pages);
+		if (pages < 0) {
+			u32 alloc_size = le32_to_cpu(fw_mon_cfg->req_size) -
+				(remain_pages * PAGE_SIZE);
+
+			if (alloc_size < le32_to_cpu(fw_mon_cfg->min_size)) {
+				iwl_dbg_tlv_fragments_free(fwrt->trans,
+							   alloc_id);
+				return pages;
+			}
+			break;
+		}
+
+		remain_pages -= pages;
+		fw_mon->num_frags++;
+	}
+
+	return 0;
+}
+
+static int iwl_dbg_tlv_apply_buffer(struct iwl_fw_runtime *fwrt,
+				    enum iwl_fw_ini_allocation_id alloc_id)
+{
+	struct iwl_fw_mon *fw_mon;
+	u32 remain_frags, num_commands;
+	int i, fw_mon_idx = 0;
+
+	if (!fw_has_capa(&fwrt->fw->ucode_capa,
+			 IWL_UCODE_TLV_CAPA_DBG_BUF_ALLOC_CMD_SUPP))
+		return 0;
+
+	if (alloc_id < IWL_FW_INI_ALLOCATION_INVALID ||
+	    alloc_id >= IWL_FW_INI_ALLOCATION_NUM)
+		return -EIO;
+
+	if (le32_to_cpu(fwrt->trans->dbg.fw_mon_cfg[alloc_id].buf_location) !=
+	    IWL_FW_INI_LOCATION_DRAM_PATH)
+		return 0;
+
+	fw_mon = &fwrt->trans->dbg.fw_mon_ini[alloc_id];
+
+	/* the first fragment of DBGC1 is given to the FW via register
+	 * or context info
+	 */
+	if (alloc_id == IWL_FW_INI_ALLOCATION_ID_DBGC1)
+		fw_mon_idx++;
+
+	remain_frags = fw_mon->num_frags - fw_mon_idx;
+	if (!remain_frags)
+		return 0;
+
+	num_commands = DIV_ROUND_UP(remain_frags, BUF_ALLOC_MAX_NUM_FRAGS);
+
+	IWL_DEBUG_FW(fwrt, "WRT: Applying DRAM destination (alloc_id=%u)\n",
+		     alloc_id);
+
+	for (i = 0; i < num_commands; i++) {
+		u32 num_frags = min_t(u32, remain_frags,
+				      BUF_ALLOC_MAX_NUM_FRAGS);
+		struct iwl_buf_alloc_cmd data = {
+			.alloc_id = cpu_to_le32(alloc_id),
+			.num_frags = cpu_to_le32(num_frags),
+			.buf_location =
+				cpu_to_le32(IWL_FW_INI_LOCATION_DRAM_PATH),
+		};
+		struct iwl_host_cmd hcmd = {
+			.id = WIDE_ID(DEBUG_GROUP, BUFFER_ALLOCATION),
+			.data[0] = &data,
+			.len[0] = sizeof(data),
+		};
+		int ret, j;
+
+		for (j = 0; j < num_frags; j++) {
+			struct iwl_buf_alloc_frag *frag = &data.frags[j];
+			struct iwl_dram_data *fw_mon_frag =
+				&fw_mon->frags[fw_mon_idx++];
+
+			frag->addr = cpu_to_le64(fw_mon_frag->physical);
+			frag->size = cpu_to_le32(fw_mon_frag->size);
+		}
+		ret = iwl_trans_send_cmd(fwrt->trans, &hcmd);
+		if (ret)
+			return ret;
+
+		remain_frags -= num_frags;
+	}
+
+	return 0;
+}
+
+static void iwl_dbg_tlv_apply_buffers(struct iwl_fw_runtime *fwrt)
+{
+	int ret, i;
+
+	for (i = 0; i < IWL_FW_INI_ALLOCATION_NUM; i++) {
+		ret = iwl_dbg_tlv_apply_buffer(fwrt, i);
+		if (ret)
+			IWL_WARN(fwrt,
+				 "WRT: Failed to apply DRAM buffer for allocation id %d, ret=%d\n",
+				 i, ret);
+	}
+}
+
+static void iwl_dbg_tlv_send_hcmds(struct iwl_fw_runtime *fwrt,
+				   struct list_head *hcmd_list)
+{
+	struct iwl_dbg_tlv_node *node;
+
+	list_for_each_entry(node, hcmd_list, list) {
+		struct iwl_fw_ini_hcmd_tlv *hcmd = (void *)node->tlv.data;
+		struct iwl_fw_ini_hcmd *hcmd_data = &hcmd->hcmd;
+		u32 domain = le32_to_cpu(hcmd->hdr.domain);
+		u16 hcmd_len = le32_to_cpu(node->tlv.length) - sizeof(*hcmd);
+		struct iwl_host_cmd cmd = {
+			.id = WIDE_ID(hcmd_data->group, hcmd_data->id),
+			.len = { hcmd_len, },
+			.data = { hcmd_data->data, },
+		};
+
+		if (domain != IWL_FW_INI_DOMAIN_ALWAYS_ON &&
+		    !(domain & fwrt->trans->dbg.domains_bitmap))
+			continue;
+
+		iwl_trans_send_cmd(fwrt->trans, &cmd);
+	}
+}
+
+static void iwl_dbg_tlv_periodic_trig_handler(struct timer_list *t)
+{
+	struct iwl_dbg_tlv_timer_node *timer_node =
+		from_timer(timer_node, t, timer);
+	struct iwl_fwrt_dump_data dump_data = {
+		.trig = (void *)timer_node->tlv->data,
+	};
+	int ret;
+
+	ret = iwl_fw_dbg_ini_collect(timer_node->fwrt, &dump_data);
+	if (!ret || ret == -EBUSY) {
+		u32 occur = le32_to_cpu(dump_data.trig->occurrences);
+		u32 collect_interval = le32_to_cpu(dump_data.trig->data[0]);
+
+		if (!occur)
+			return;
+
+		mod_timer(t, jiffies + msecs_to_jiffies(collect_interval));
+	}
+}
+
+static void iwl_dbg_tlv_set_periodic_trigs(struct iwl_fw_runtime *fwrt)
+{
+	struct iwl_dbg_tlv_node *node;
+	struct list_head *trig_list =
+		&fwrt->trans->dbg.time_point[IWL_FW_INI_TIME_POINT_PERIODIC].active_trig_list;
+
+	list_for_each_entry(node, trig_list, list) {
+		struct iwl_fw_ini_trigger_tlv *trig = (void *)node->tlv.data;
+		struct iwl_dbg_tlv_timer_node *timer_node;
+		u32 occur = le32_to_cpu(trig->occurrences), collect_interval;
+		u32 min_interval = 100;
+
+		if (!occur)
+			continue;
+
+		/* make sure there is at least one dword of data for the
+		 * interval value
+		 */
+		if (le32_to_cpu(node->tlv.length) <
+		    sizeof(*trig) + sizeof(__le32)) {
+			IWL_ERR(fwrt,
+				"WRT: Invalid periodic trigger data was not given\n");
+			continue;
+		}
+
+		if (le32_to_cpu(trig->data[0]) < min_interval) {
+			IWL_WARN(fwrt,
+				 "WRT: Override min interval from %u to %u msec\n",
+				 le32_to_cpu(trig->data[0]), min_interval);
+			trig->data[0] = cpu_to_le32(min_interval);
+		}
+
+		collect_interval = le32_to_cpu(trig->data[0]);
+
+		timer_node = kzalloc(sizeof(*timer_node), GFP_KERNEL);
+		if (!timer_node) {
+			IWL_ERR(fwrt,
+				"WRT: Failed to allocate periodic trigger\n");
+			continue;
+		}
+
+		timer_node->fwrt = fwrt;
+		timer_node->tlv = &node->tlv;
+		timer_setup(&timer_node->timer,
+			    iwl_dbg_tlv_periodic_trig_handler, 0);
+
+		list_add_tail(&timer_node->list,
+			      &fwrt->trans->dbg.periodic_trig_list);
+
+		IWL_DEBUG_FW(fwrt, "WRT: Enabling periodic trigger\n");
+
+		mod_timer(&timer_node->timer,
+			  jiffies + msecs_to_jiffies(collect_interval));
+	}
+}
+
+static bool is_trig_data_contained(struct iwl_ucode_tlv *new,
+				   struct iwl_ucode_tlv *old)
+{
+	struct iwl_fw_ini_trigger_tlv *new_trig = (void *)new->data;
+	struct iwl_fw_ini_trigger_tlv *old_trig = (void *)old->data;
+	__le32 *new_data = new_trig->data, *old_data = old_trig->data;
+	u32 new_dwords_num = iwl_tlv_array_len(new, new_trig, data);
+	u32 old_dwords_num = iwl_tlv_array_len(new, new_trig, data);
+	int i, j;
+
+	for (i = 0; i < new_dwords_num; i++) {
+		bool match = false;
+
+		for (j = 0; j < old_dwords_num; j++) {
+			if (new_data[i] == old_data[j]) {
+				match = true;
+				break;
+			}
+		}
+		if (!match)
+			return false;
+	}
+
+	return true;
+}
+
+static int iwl_dbg_tlv_override_trig_node(struct iwl_fw_runtime *fwrt,
+					  struct iwl_ucode_tlv *trig_tlv,
+					  struct iwl_dbg_tlv_node *node)
+{
+	struct iwl_ucode_tlv *node_tlv = &node->tlv;
+	struct iwl_fw_ini_trigger_tlv *node_trig = (void *)node_tlv->data;
+	struct iwl_fw_ini_trigger_tlv *trig = (void *)trig_tlv->data;
+	u32 policy = le32_to_cpu(trig->apply_policy);
+	u32 size = le32_to_cpu(trig_tlv->length);
+	u32 trig_data_len = size - sizeof(*trig);
+	u32 offset = 0;
+
+	if (!(policy & IWL_FW_INI_APPLY_POLICY_OVERRIDE_DATA)) {
+		u32 data_len = le32_to_cpu(node_tlv->length) -
+			sizeof(*node_trig);
+
+		IWL_DEBUG_FW(fwrt,
+			     "WRT: Appending trigger data (time point %u)\n",
+			     le32_to_cpu(trig->time_point));
+
+		offset += data_len;
+		size += data_len;
+	} else {
+		IWL_DEBUG_FW(fwrt,
+			     "WRT: Overriding trigger data (time point %u)\n",
+			     le32_to_cpu(trig->time_point));
+	}
+
+	if (size != le32_to_cpu(node_tlv->length)) {
+		struct list_head *prev = node->list.prev;
+		struct iwl_dbg_tlv_node *tmp;
+
+		list_del(&node->list);
+
+		tmp = krealloc(node, sizeof(*node) + size, GFP_KERNEL);
+		if (!tmp) {
+			IWL_WARN(fwrt,
+				 "WRT: No memory to override trigger (time point %u)\n",
+				 le32_to_cpu(trig->time_point));
+
+			list_add(&node->list, prev);
+
+			return -ENOMEM;
+		}
+
+		list_add(&tmp->list, prev);
+		node_tlv = &tmp->tlv;
+		node_trig = (void *)node_tlv->data;
+	}
+
+	memcpy(node_trig->data + offset, trig->data, trig_data_len);
+	node_tlv->length = cpu_to_le32(size);
+
+	if (policy & IWL_FW_INI_APPLY_POLICY_OVERRIDE_CFG) {
+		IWL_DEBUG_FW(fwrt,
+			     "WRT: Overriding trigger configuration (time point %u)\n",
+			     le32_to_cpu(trig->time_point));
+
+		/* the first 11 dwords are configuration related */
+		memcpy(node_trig, trig, sizeof(__le32) * 11);
+	}
+
+	if (policy & IWL_FW_INI_APPLY_POLICY_OVERRIDE_REGIONS) {
+		IWL_DEBUG_FW(fwrt,
+			     "WRT: Overriding trigger regions (time point %u)\n",
+			     le32_to_cpu(trig->time_point));
+
+		node_trig->regions_mask = trig->regions_mask;
+	} else {
+		IWL_DEBUG_FW(fwrt,
+			     "WRT: Appending trigger regions (time point %u)\n",
+			     le32_to_cpu(trig->time_point));
+
+		node_trig->regions_mask |= trig->regions_mask;
+	}
+
+	return 0;
+}
+
+static int
+iwl_dbg_tlv_add_active_trigger(struct iwl_fw_runtime *fwrt,
+			       struct list_head *trig_list,
+			       struct iwl_ucode_tlv *trig_tlv)
+{
+	struct iwl_fw_ini_trigger_tlv *trig = (void *)trig_tlv->data;
+	struct iwl_dbg_tlv_node *node, *match = NULL;
+	u32 policy = le32_to_cpu(trig->apply_policy);
+
+	list_for_each_entry(node, trig_list, list) {
+		if (!(policy & IWL_FW_INI_APPLY_POLICY_MATCH_TIME_POINT))
+			break;
+
+		if (!(policy & IWL_FW_INI_APPLY_POLICY_MATCH_DATA) ||
+		    is_trig_data_contained(trig_tlv, &node->tlv)) {
+			match = node;
+			break;
+		}
+	}
+
+	if (!match) {
+		IWL_DEBUG_FW(fwrt, "WRT: Enabling trigger (time point %u)\n",
+			     le32_to_cpu(trig->time_point));
+		return iwl_dbg_tlv_add(trig_tlv, trig_list);
+	}
+
+	return iwl_dbg_tlv_override_trig_node(fwrt, trig_tlv, match);
+}
+
+static void
+iwl_dbg_tlv_gen_active_trig_list(struct iwl_fw_runtime *fwrt,
+				 struct iwl_dbg_tlv_time_point_data *tp)
+{
+	struct iwl_dbg_tlv_node *node, *tmp;
+	struct list_head *trig_list = &tp->trig_list;
+	struct list_head *active_trig_list = &tp->active_trig_list;
+
+	list_for_each_entry_safe(node, tmp, active_trig_list, list) {
+		list_del(&node->list);
+		kfree(node);
+	}
+
+	list_for_each_entry(node, trig_list, list) {
+		struct iwl_ucode_tlv *tlv = &node->tlv;
+		struct iwl_fw_ini_trigger_tlv *trig = (void *)tlv->data;
+		u32 domain = le32_to_cpu(trig->hdr.domain);
+
+		if (domain != IWL_FW_INI_DOMAIN_ALWAYS_ON &&
+		    !(domain & fwrt->trans->dbg.domains_bitmap))
+			continue;
+
+		iwl_dbg_tlv_add_active_trigger(fwrt, active_trig_list, tlv);
+	}
+}
+
+int iwl_dbg_tlv_gen_active_trigs(struct iwl_fw_runtime *fwrt, u32 new_domain)
+{
+	int i;
+
+	if (test_and_set_bit(STATUS_GEN_ACTIVE_TRIGS, &fwrt->status))
+		return -EBUSY;
+
+	iwl_fw_flush_dumps(fwrt);
+
+	fwrt->trans->dbg.domains_bitmap = new_domain;
+
+	IWL_DEBUG_FW(fwrt,
+		     "WRT: Generating active triggers list, domain 0x%x\n",
+		     fwrt->trans->dbg.domains_bitmap);
+
+	for (i = 0; i < ARRAY_SIZE(fwrt->trans->dbg.time_point); i++) {
+		struct iwl_dbg_tlv_time_point_data *tp =
+			&fwrt->trans->dbg.time_point[i];
+
+		iwl_dbg_tlv_gen_active_trig_list(fwrt, tp);
+	}
+
+	clear_bit(STATUS_GEN_ACTIVE_TRIGS, &fwrt->status);
+
+	return 0;
+}
+
+static bool iwl_dbg_tlv_check_fw_pkt(struct iwl_fw_runtime *fwrt,
+				     struct iwl_fwrt_dump_data *dump_data,
+				     union iwl_dbg_tlv_tp_data *tp_data,
+				     u32 trig_data)
+{
+	struct iwl_rx_packet *pkt = tp_data->fw_pkt;
+	struct iwl_cmd_header *wanted_hdr = (void *)&trig_data;
+
+	if (pkt && ((wanted_hdr->cmd == 0 && wanted_hdr->group_id == 0) ||
+		    (pkt->hdr.cmd == wanted_hdr->cmd &&
+		     pkt->hdr.group_id == wanted_hdr->group_id))) {
+		struct iwl_rx_packet *fw_pkt =
+			kmemdup(pkt,
+				sizeof(*pkt) + iwl_rx_packet_payload_len(pkt),
+				GFP_ATOMIC);
+
+		if (!fw_pkt)
+			return false;
+
+		dump_data->fw_pkt = fw_pkt;
+
+		return true;
+	}
+
+	return false;
+}
+
+static int
+iwl_dbg_tlv_tp_trigger(struct iwl_fw_runtime *fwrt,
+		       struct list_head *active_trig_list,
+		       union iwl_dbg_tlv_tp_data *tp_data,
+		       bool (*data_check)(struct iwl_fw_runtime *fwrt,
+					  struct iwl_fwrt_dump_data *dump_data,
+					  union iwl_dbg_tlv_tp_data *tp_data,
+					  u32 trig_data))
+{
+	struct iwl_dbg_tlv_node *node;
+
+	list_for_each_entry(node, active_trig_list, list) {
+		struct iwl_fwrt_dump_data dump_data = {
+			.trig = (void *)node->tlv.data,
+		};
+		u32 num_data = iwl_tlv_array_len(&node->tlv, dump_data.trig,
+						 data);
+		int ret, i;
+
+		if (!num_data) {
+			ret = iwl_fw_dbg_ini_collect(fwrt, &dump_data);
+			if (ret)
+				return ret;
+		}
+
+		for (i = 0; i < num_data; i++) {
+			if (!data_check ||
+			    data_check(fwrt, &dump_data, tp_data,
+				       le32_to_cpu(dump_data.trig->data[i]))) {
+				ret = iwl_fw_dbg_ini_collect(fwrt, &dump_data);
+				if (ret)
+					return ret;
+
+				break;
+			}
+		}
+	}
+
+	return 0;
+}
+
+static void iwl_dbg_tlv_init_cfg(struct iwl_fw_runtime *fwrt)
+{
+	enum iwl_fw_ini_buffer_location *ini_dest = &fwrt->trans->dbg.ini_dest;
+	int ret, i;
+
+	iwl_dbg_tlv_gen_active_trigs(fwrt, IWL_FW_DBG_DOMAIN);
+
+	*ini_dest = IWL_FW_INI_LOCATION_INVALID;
+	for (i = 0; i < IWL_FW_INI_ALLOCATION_NUM; i++) {
+		struct iwl_fw_ini_allocation_tlv *fw_mon_cfg =
+			&fwrt->trans->dbg.fw_mon_cfg[i];
+		u32 dest = le32_to_cpu(fw_mon_cfg->buf_location);
+
+		if (dest == IWL_FW_INI_LOCATION_INVALID)
+			continue;
+
+		if (*ini_dest == IWL_FW_INI_LOCATION_INVALID)
+			*ini_dest = dest;
+
+		if (dest != *ini_dest)
+			continue;
+
+		ret = iwl_dbg_tlv_alloc_fragments(fwrt, i);
+		if (ret)
+			IWL_WARN(fwrt,
+				 "WRT: Failed to allocate DRAM buffer for allocation id %d, ret=%d\n",
+				 i, ret);
+	}
+}
+
 void iwl_dbg_tlv_time_point(struct iwl_fw_runtime *fwrt,
 			    enum iwl_fw_ini_time_point tp_id,
 			    union iwl_dbg_tlv_tp_data *tp_data)
 {
-	/* will be used later */
+	struct list_head *hcmd_list, *trig_list;
+
+	if (!iwl_trans_dbg_ini_valid(fwrt->trans) ||
+	    tp_id == IWL_FW_INI_TIME_POINT_INVALID ||
+	    tp_id >= IWL_FW_INI_TIME_POINT_NUM)
+		return;
+
+	hcmd_list = &fwrt->trans->dbg.time_point[tp_id].hcmd_list;
+	trig_list = &fwrt->trans->dbg.time_point[tp_id].active_trig_list;
+
+	switch (tp_id) {
+	case IWL_FW_INI_TIME_POINT_EARLY:
+		iwl_dbg_tlv_init_cfg(fwrt);
+		iwl_dbg_tlv_tp_trigger(fwrt, trig_list, tp_data, NULL);
+		break;
+	case IWL_FW_INI_TIME_POINT_AFTER_ALIVE:
+		iwl_dbg_tlv_apply_buffers(fwrt);
+		iwl_dbg_tlv_send_hcmds(fwrt, hcmd_list);
+		iwl_dbg_tlv_tp_trigger(fwrt, trig_list, tp_data, NULL);
+		break;
+	case IWL_FW_INI_TIME_POINT_PERIODIC:
+		iwl_dbg_tlv_set_periodic_trigs(fwrt);
+		iwl_dbg_tlv_send_hcmds(fwrt, hcmd_list);
+		break;
+	case IWL_FW_INI_TIME_POINT_FW_RSP_OR_NOTIF:
+	case IWL_FW_INI_TIME_POINT_MISSED_BEACONS:
+		iwl_dbg_tlv_send_hcmds(fwrt, hcmd_list);
+		iwl_dbg_tlv_tp_trigger(fwrt, trig_list, tp_data,
+				       iwl_dbg_tlv_check_fw_pkt);
+		break;
+	default:
+		iwl_dbg_tlv_send_hcmds(fwrt, hcmd_list);
+		iwl_dbg_tlv_tp_trigger(fwrt, trig_list, tp_data, NULL);
+		break;
+	}
 }
 IWL_EXPORT_SYMBOL(iwl_dbg_tlv_time_point);