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

Pull networking updates from David Miller:
 "Reasonably busy this cycle, but perhaps not as busy as in the 4.12
  merge window:

   1) Several optimizations for UDP processing under high load from
      Paolo Abeni.

   2) Support pacing internally in TCP when using the sch_fq packet
      scheduler for this is not practical. From Eric Dumazet.

   3) Support mutliple filter chains per qdisc, from Jiri Pirko.

   4) Move to 1ms TCP timestamp clock, from Eric Dumazet.

   5) Add batch dequeueing to vhost_net, from Jason Wang.

   6) Flesh out more completely SCTP checksum offload support, from
      Davide Caratti.

   7) More plumbing of extended netlink ACKs, from David Ahern, Pablo
      Neira Ayuso, and Matthias Schiffer.

   8) Add devlink support to nfp driver, from Simon Horman.

   9) Add RTM_F_FIB_MATCH flag to RTM_GETROUTE queries, from Roopa
      Prabhu.

  10) Add stack depth tracking to BPF verifier and use this information
      in the various eBPF JITs. From Alexei Starovoitov.

  11) Support XDP on qed device VFs, from Yuval Mintz.

  12) Introduce BPF PROG ID for better introspection of installed BPF
      programs. From Martin KaFai Lau.

  13) Add bpf_set_hash helper for TC bpf programs, from Daniel Borkmann.

  14) For loads, allow narrower accesses in bpf verifier checking, from
      Yonghong Song.

  15) Support MIPS in the BPF selftests and samples infrastructure, the
      MIPS eBPF JIT will be merged in via the MIPS GIT tree. From David
      Daney.

  16) Support kernel based TLS, from Dave Watson and others.

  17) Remove completely DST garbage collection, from Wei Wang.

  18) Allow installing TCP MD5 rules using prefixes, from Ivan
      Delalande.

  19) Add XDP support to Intel i40e driver, from Björn Töpel

  20) Add support for TC flower offload in nfp driver, from Simon
      Horman, Pieter Jansen van Vuuren, Benjamin LaHaise, Jakub
      Kicinski, and Bert van Leeuwen.

  21) IPSEC offloading support in mlx5, from Ilan Tayari.

  22) Add HW PTP support to macb driver, from Rafal Ozieblo.

  23) Networking refcount_t conversions, From Elena Reshetova.

  24) Add sock_ops support to BPF, from Lawrence Brako. This is useful
      for tuning the TCP sockopt settings of a group of applications,
      currently via CGROUPs"

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1899 commits)
  net: phy: dp83867: add workaround for incorrect RX_CTRL pin strap
  dt-bindings: phy: dp83867: provide a workaround for incorrect RX_CTRL pin strap
  cxgb4: Support for get_ts_info ethtool method
  cxgb4: Add PTP Hardware Clock (PHC) support
  cxgb4: time stamping interface for PTP
  nfp: default to chained metadata prepend format
  nfp: remove legacy MAC address lookup
  nfp: improve order of interfaces in breakout mode
  net: macb: remove extraneous return when MACB_EXT_DESC is defined
  bpf: add missing break in for the TCP_BPF_SNDCWND_CLAMP case
  bpf: fix return in load_bpf_file
  mpls: fix rtm policy in mpls_getroute
  net, ax25: convert ax25_cb.refcount from atomic_t to refcount_t
  net, ax25: convert ax25_route.refcount from atomic_t to refcount_t
  net, ax25: convert ax25_uid_assoc.refcount from atomic_t to refcount_t
  net, sctp: convert sctp_ep_common.refcnt from atomic_t to refcount_t
  net, sctp: convert sctp_transport.refcnt from atomic_t to refcount_t
  net, sctp: convert sctp_chunk.refcnt from atomic_t to refcount_t
  net, sctp: convert sctp_datamsg.refcnt from atomic_t to refcount_t
  net, sctp: convert sctp_auth_bytes.refcnt from atomic_t to refcount_t
  ...

1 files changed, 742 insertions, 0 deletions

diff --git a/drivers/net/wireless/rsi/rsi_91x_hal.c b/drivers/net/wireless/rsi/rsi_91x_hal.c
new file mode 100644
index 000000000000..c2303599c12e
--- /dev/null
+++ b/drivers/net/wireless/rsi/rsi_91x_hal.c
@@ -0,0 +1,742 @@
+/**
+ * Copyright (c) 2014 Redpine Signals Inc.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <linux/firmware.h>
+#include "rsi_mgmt.h"
+#include "rsi_hal.h"
+#include "rsi_sdio.h"
+
+/* FLASH Firmware */
+static struct ta_metadata metadata_flash_content[] = {
+	{"flash_content", 0x00010000},
+	{"rsi/rs9113_wlan_qspi.rps", 0x00010000},
+};
+
+/**
+ * rsi_send_data_pkt() - This function sends the recieved data packet from
+ *			 driver to device.
+ * @common: Pointer to the driver private structure.
+ * @skb: Pointer to the socket buffer structure.
+ *
+ * Return: status: 0 on success, -1 on failure.
+ */
+int rsi_send_data_pkt(struct rsi_common *common, struct sk_buff *skb)
+{
+	struct rsi_hw *adapter = common->priv;
+	struct ieee80211_hdr *tmp_hdr;
+	struct ieee80211_tx_info *info;
+	struct skb_info *tx_params;
+	struct ieee80211_bss_conf *bss;
+	int status;
+	u8 ieee80211_size = MIN_802_11_HDR_LEN;
+	u8 extnd_size;
+	__le16 *frame_desc;
+	u16 seq_num;
+
+	info = IEEE80211_SKB_CB(skb);
+	bss = &info->control.vif->bss_conf;
+	tx_params = (struct skb_info *)info->driver_data;
+
+	if (!bss->assoc) {
+		status = -EINVAL;
+		goto err;
+	}
+
+	tmp_hdr = (struct ieee80211_hdr *)&skb->data[0];
+	seq_num = (le16_to_cpu(tmp_hdr->seq_ctrl) >> 4);
+
+	extnd_size = ((uintptr_t)skb->data & 0x3);
+
+	if ((FRAME_DESC_SZ + extnd_size) > skb_headroom(skb)) {
+		rsi_dbg(ERR_ZONE, "%s: Unable to send pkt\n", __func__);
+		status = -ENOSPC;
+		goto err;
+	}
+
+	skb_push(skb, (FRAME_DESC_SZ + extnd_size));
+	frame_desc = (__le16 *)&skb->data[0];
+	memset((u8 *)frame_desc, 0, FRAME_DESC_SZ);
+
+	if (ieee80211_is_data_qos(tmp_hdr->frame_control)) {
+		ieee80211_size += 2;
+		frame_desc[6] |= cpu_to_le16(BIT(12));
+	}
+
+	if ((!(info->flags & IEEE80211_TX_INTFL_DONT_ENCRYPT)) &&
+	    (common->secinfo.security_enable)) {
+		if (rsi_is_cipher_wep(common))
+			ieee80211_size += 4;
+		else
+			ieee80211_size += 8;
+		frame_desc[6] |= cpu_to_le16(BIT(15));
+	}
+
+	frame_desc[0] = cpu_to_le16((skb->len - FRAME_DESC_SZ) |
+				    (RSI_WIFI_DATA_Q << 12));
+	frame_desc[2] = cpu_to_le16((extnd_size) | (ieee80211_size) << 8);
+
+	if (common->min_rate != 0xffff) {
+		/* Send fixed rate */
+		frame_desc[3] = cpu_to_le16(RATE_INFO_ENABLE);
+		frame_desc[4] = cpu_to_le16(common->min_rate);
+
+		if (conf_is_ht40(&common->priv->hw->conf))
+			frame_desc[5] = cpu_to_le16(FULL40M_ENABLE);
+
+		if (common->vif_info[0].sgi) {
+			if (common->min_rate & 0x100) /* Only MCS rates */
+				frame_desc[4] |=
+					cpu_to_le16(ENABLE_SHORTGI_RATE);
+		}
+
+	}
+
+	frame_desc[6] |= cpu_to_le16(seq_num & 0xfff);
+	frame_desc[7] = cpu_to_le16(((tx_params->tid & 0xf) << 4) |
+				    (skb->priority & 0xf) |
+				    (tx_params->sta_id << 8));
+
+	status = adapter->host_intf_ops->write_pkt(common->priv, skb->data,
+						   skb->len);
+	if (status)
+		rsi_dbg(ERR_ZONE, "%s: Failed to write pkt\n",
+			__func__);
+
+err:
+	++common->tx_stats.total_tx_pkt_freed[skb->priority];
+	rsi_indicate_tx_status(common->priv, skb, status);
+	return status;
+}
+
+/**
+ * rsi_send_mgmt_pkt() - This functions sends the received management packet
+ *			 from driver to device.
+ * @common: Pointer to the driver private structure.
+ * @skb: Pointer to the socket buffer structure.
+ *
+ * Return: status: 0 on success, -1 on failure.
+ */
+int rsi_send_mgmt_pkt(struct rsi_common *common,
+		      struct sk_buff *skb)
+{
+	struct rsi_hw *adapter = common->priv;
+	struct ieee80211_hdr *wh;
+	struct ieee80211_tx_info *info;
+	struct ieee80211_bss_conf *bss;
+	struct ieee80211_hw *hw = adapter->hw;
+	struct ieee80211_conf *conf = &hw->conf;
+	struct skb_info *tx_params;
+	int status = -E2BIG;
+	__le16 *msg;
+	u8 extnd_size;
+	u8 vap_id = 0;
+
+	info = IEEE80211_SKB_CB(skb);
+	tx_params = (struct skb_info *)info->driver_data;
+	extnd_size = ((uintptr_t)skb->data & 0x3);
+
+	if (tx_params->flags & INTERNAL_MGMT_PKT) {
+		if ((extnd_size) > skb_headroom(skb)) {
+			rsi_dbg(ERR_ZONE, "%s: Unable to send pkt\n", __func__);
+			dev_kfree_skb(skb);
+			return -ENOSPC;
+		}
+		skb_push(skb, extnd_size);
+		skb->data[extnd_size + 4] = extnd_size;
+		status = adapter->host_intf_ops->write_pkt(common->priv,
+							   (u8 *)skb->data,
+							   skb->len);
+		if (status) {
+			rsi_dbg(ERR_ZONE,
+				"%s: Failed to write the packet\n", __func__);
+		}
+		dev_kfree_skb(skb);
+		return status;
+	}
+
+	bss = &info->control.vif->bss_conf;
+	wh = (struct ieee80211_hdr *)&skb->data[0];
+
+	if (FRAME_DESC_SZ > skb_headroom(skb))
+		goto err;
+
+	skb_push(skb, FRAME_DESC_SZ);
+	memset(skb->data, 0, FRAME_DESC_SZ);
+	msg = (__le16 *)skb->data;
+
+	if (skb->len > MAX_MGMT_PKT_SIZE) {
+		rsi_dbg(INFO_ZONE, "%s: Dropping mgmt pkt > 512\n", __func__);
+		goto err;
+	}
+
+	msg[0] = cpu_to_le16((skb->len - FRAME_DESC_SZ) |
+			    (RSI_WIFI_MGMT_Q << 12));
+	msg[1] = cpu_to_le16(TX_DOT11_MGMT);
+	msg[2] = cpu_to_le16(MIN_802_11_HDR_LEN << 8);
+	msg[3] = cpu_to_le16(RATE_INFO_ENABLE);
+	msg[6] = cpu_to_le16(le16_to_cpu(wh->seq_ctrl) >> 4);
+
+	if (wh->addr1[0] & BIT(0))
+		msg[3] |= cpu_to_le16(RSI_BROADCAST_PKT);
+
+	if (common->band == NL80211_BAND_2GHZ)
+		msg[4] = cpu_to_le16(RSI_11B_MODE);
+	else
+		msg[4] = cpu_to_le16((RSI_RATE_6 & 0x0f) | RSI_11G_MODE);
+
+	if (conf_is_ht40(conf)) {
+		msg[4] = cpu_to_le16(0xB | RSI_11G_MODE);
+		msg[5] = cpu_to_le16(0x6);
+	}
+
+	/* Indicate to firmware to give cfm */
+	if ((skb->data[16] == IEEE80211_STYPE_PROBE_REQ) && (!bss->assoc)) {
+		msg[1] |= cpu_to_le16(BIT(10));
+		msg[7] = cpu_to_le16(PROBEREQ_CONFIRM);
+		common->mgmt_q_block = true;
+	}
+
+	msg[7] |= cpu_to_le16(vap_id << 8);
+
+	status = adapter->host_intf_ops->write_pkt(common->priv, (u8 *)msg,
+						   skb->len);
+	if (status)
+		rsi_dbg(ERR_ZONE, "%s: Failed to write the packet\n", __func__);
+
+err:
+	rsi_indicate_tx_status(common->priv, skb, status);
+	return status;
+}
+
+static void bl_cmd_timeout(unsigned long priv)
+{
+	struct rsi_hw *adapter = (struct rsi_hw *)priv;
+
+	adapter->blcmd_timer_expired = true;
+	del_timer(&adapter->bl_cmd_timer);
+}
+
+static int bl_start_cmd_timer(struct rsi_hw *adapter, u32 timeout)
+{
+	init_timer(&adapter->bl_cmd_timer);
+	adapter->bl_cmd_timer.data = (unsigned long)adapter;
+	adapter->bl_cmd_timer.function = (void *)&bl_cmd_timeout;
+	adapter->bl_cmd_timer.expires = (msecs_to_jiffies(timeout) + jiffies);
+
+	adapter->blcmd_timer_expired = false;
+	add_timer(&adapter->bl_cmd_timer);
+
+	return 0;
+}
+
+static int bl_stop_cmd_timer(struct rsi_hw *adapter)
+{
+	adapter->blcmd_timer_expired = false;
+	if (timer_pending(&adapter->bl_cmd_timer))
+		del_timer(&adapter->bl_cmd_timer);
+
+	return 0;
+}
+
+static int bl_write_cmd(struct rsi_hw *adapter, u8 cmd, u8 exp_resp,
+			u16 *cmd_resp)
+{
+	struct rsi_host_intf_ops *hif_ops = adapter->host_intf_ops;
+	u32 regin_val = 0, regout_val = 0;
+	u32 regin_input = 0;
+	u8 output = 0;
+	int status;
+
+	regin_input = (REGIN_INPUT | adapter->priv->coex_mode);
+
+	while (!adapter->blcmd_timer_expired) {
+		regin_val = 0;
+		status = hif_ops->master_reg_read(adapter, SWBL_REGIN,
+						  &regin_val, 2);
+		if (status < 0) {
+			rsi_dbg(ERR_ZONE,
+				"%s: Command %0x REGIN reading failed..\n",
+				__func__, cmd);
+			return status;
+		}
+		mdelay(1);
+		if ((regin_val >> 12) != REGIN_VALID)
+			break;
+	}
+	if (adapter->blcmd_timer_expired) {
+		rsi_dbg(ERR_ZONE,
+			"%s: Command %0x REGIN reading timed out..\n",
+			__func__, cmd);
+		return -ETIMEDOUT;
+	}
+
+	rsi_dbg(INFO_ZONE,
+		"Issuing write to Regin val:%0x sending cmd:%0x\n",
+		regin_val, (cmd | regin_input << 8));
+	status = hif_ops->master_reg_write(adapter, SWBL_REGIN,
+					   (cmd | regin_input << 8), 2);
+	if (status < 0)
+		return status;
+	mdelay(1);
+
+	if (cmd == LOAD_HOSTED_FW || cmd == JUMP_TO_ZERO_PC) {
+		/* JUMP_TO_ZERO_PC doesn't expect
+		 * any response. So return from here
+		 */
+		return 0;
+	}
+
+	while (!adapter->blcmd_timer_expired) {
+		regout_val = 0;
+		status = hif_ops->master_reg_read(adapter, SWBL_REGOUT,
+					     &regout_val, 2);
+		if (status < 0) {
+			rsi_dbg(ERR_ZONE,
+				"%s: Command %0x REGOUT reading failed..\n",
+				__func__, cmd);
+			return status;
+		}
+		mdelay(1);
+		if ((regout_val >> 8) == REGOUT_VALID)
+			break;
+	}
+	if (adapter->blcmd_timer_expired) {
+		rsi_dbg(ERR_ZONE,
+			"%s: Command %0x REGOUT reading timed out..\n",
+			__func__, cmd);
+		return status;
+	}
+
+	*cmd_resp = ((u16 *)&regout_val)[0] & 0xffff;
+
+	output = ((u8 *)&regout_val)[0] & 0xff;
+
+	status = hif_ops->master_reg_write(adapter, SWBL_REGOUT,
+					   (cmd | REGOUT_INVALID << 8), 2);
+	if (status < 0) {
+		rsi_dbg(ERR_ZONE,
+			"%s: Command %0x REGOUT writing failed..\n",
+			__func__, cmd);
+		return status;
+	}
+	mdelay(1);
+
+	if (output != exp_resp) {
+		rsi_dbg(ERR_ZONE,
+			"%s: Recvd resp %x for cmd %0x\n",
+			__func__, output, cmd);
+		return -EINVAL;
+	}
+	rsi_dbg(INFO_ZONE,
+		"%s: Recvd Expected resp %x for cmd %0x\n",
+		__func__, output, cmd);
+
+	return 0;
+}
+
+static int bl_cmd(struct rsi_hw *adapter, u8 cmd, u8 exp_resp, char *str)
+{
+	u16 regout_val = 0;
+	u32 timeout;
+	int status;
+
+	if ((cmd == EOF_REACHED) || (cmd == PING_VALID) || (cmd == PONG_VALID))
+		timeout = BL_BURN_TIMEOUT;
+	else
+		timeout = BL_CMD_TIMEOUT;
+
+	bl_start_cmd_timer(adapter, timeout);
+	status = bl_write_cmd(adapter, cmd, exp_resp, &regout_val);
+	if (status < 0) {
+		rsi_dbg(ERR_ZONE,
+			"%s: Command %s (%0x) writing failed..\n",
+			__func__, str, cmd);
+		return status;
+	}
+	bl_stop_cmd_timer(adapter);
+	return 0;
+}
+
+#define CHECK_SUM_OFFSET 20
+#define LEN_OFFSET 8
+#define ADDR_OFFSET 16
+static int bl_write_header(struct rsi_hw *adapter, u8 *flash_content,
+			   u32 content_size)
+{
+	struct rsi_host_intf_ops *hif_ops = adapter->host_intf_ops;
+	struct bl_header bl_hdr;
+	u32 write_addr, write_len;
+	int status;
+
+	bl_hdr.flags = 0;
+	bl_hdr.image_no = cpu_to_le32(adapter->priv->coex_mode);
+	bl_hdr.check_sum = cpu_to_le32(
+				*(u32 *)&flash_content[CHECK_SUM_OFFSET]);
+	bl_hdr.flash_start_address = cpu_to_le32(
+					*(u32 *)&flash_content[ADDR_OFFSET]);
+	bl_hdr.flash_len = cpu_to_le32(*(u32 *)&flash_content[LEN_OFFSET]);
+	write_len = sizeof(struct bl_header);
+
+	if (adapter->rsi_host_intf == RSI_HOST_INTF_USB) {
+		write_addr = PING_BUFFER_ADDRESS;
+		status = hif_ops->write_reg_multiple(adapter, write_addr,
+						 (u8 *)&bl_hdr, write_len);
+		if (status < 0) {
+			rsi_dbg(ERR_ZONE,
+				"%s: Failed to load Version/CRC structure\n",
+				__func__);
+			return status;
+		}
+	} else {
+		write_addr = PING_BUFFER_ADDRESS >> 16;
+		status = hif_ops->master_access_msword(adapter, write_addr);
+		if (status < 0) {
+			rsi_dbg(ERR_ZONE,
+				"%s: Unable to set ms word to common reg\n",
+				__func__);
+			return status;
+		}
+		write_addr = RSI_SD_REQUEST_MASTER |
+			     (PING_BUFFER_ADDRESS & 0xFFFF);
+		status = hif_ops->write_reg_multiple(adapter, write_addr,
+						 (u8 *)&bl_hdr, write_len);
+		if (status < 0) {
+			rsi_dbg(ERR_ZONE,
+				"%s: Failed to load Version/CRC structure\n",
+				__func__);
+			return status;
+		}
+	}
+	return 0;
+}
+
+static u32 read_flash_capacity(struct rsi_hw *adapter)
+{
+	u32 flash_sz = 0;
+
+	if ((adapter->host_intf_ops->master_reg_read(adapter, FLASH_SIZE_ADDR,
+						     &flash_sz, 2)) < 0) {
+		rsi_dbg(ERR_ZONE,
+			"%s: Flash size reading failed..\n",
+			__func__);
+		return 0;
+	}
+	rsi_dbg(INIT_ZONE, "Flash capacity: %d KiloBytes\n", flash_sz);
+
+	return (flash_sz * 1024); /* Return size in kbytes */
+}
+
+static int ping_pong_write(struct rsi_hw *adapter, u8 cmd, u8 *addr, u32 size)
+{
+	struct rsi_host_intf_ops *hif_ops = adapter->host_intf_ops;
+	u32 block_size = adapter->block_size;
+	u32 cmd_addr;
+	u16 cmd_resp, cmd_req;
+	u8 *str;
+	int status;
+
+	if (cmd == PING_WRITE) {
+		cmd_addr = PING_BUFFER_ADDRESS;
+		cmd_resp = PONG_AVAIL;
+		cmd_req = PING_VALID;
+		str = "PING_VALID";
+	} else {
+		cmd_addr = PONG_BUFFER_ADDRESS;
+		cmd_resp = PING_AVAIL;
+		cmd_req = PONG_VALID;
+		str = "PONG_VALID";
+	}
+
+	status = hif_ops->load_data_master_write(adapter, cmd_addr, size,
+					    block_size, addr);
+	if (status) {
+		rsi_dbg(ERR_ZONE, "%s: Unable to write blk at addr %0x\n",
+			__func__, *addr);
+		return status;
+	}
+
+	status = bl_cmd(adapter, cmd_req, cmd_resp, str);
+	if (status) {
+		bl_stop_cmd_timer(adapter);
+		return status;
+	}
+	return 0;
+}
+
+static int auto_fw_upgrade(struct rsi_hw *adapter, u8 *flash_content,
+			   u32 content_size)
+{
+	u8 cmd, *temp_flash_content;
+	u32 temp_content_size, num_flash, index;
+	u32 flash_start_address;
+	int status;
+
+	temp_flash_content = flash_content;
+
+	if (content_size > MAX_FLASH_FILE_SIZE) {
+		rsi_dbg(ERR_ZONE,
+			"%s: Flash Content size is more than 400K %u\n",
+			__func__, MAX_FLASH_FILE_SIZE);
+		return -EINVAL;
+	}
+
+	flash_start_address = *(u32 *)&flash_content[FLASH_START_ADDRESS];
+	rsi_dbg(INFO_ZONE, "flash start address: %08x\n", flash_start_address);
+
+	if (flash_start_address < FW_IMAGE_MIN_ADDRESS) {
+		rsi_dbg(ERR_ZONE,
+			"%s: Fw image Flash Start Address is less than 64K\n",
+			__func__);
+		return -EINVAL;
+	}
+
+	if (flash_start_address % FLASH_SECTOR_SIZE) {
+		rsi_dbg(ERR_ZONE,
+			"%s: Flash Start Address is not multiple of 4K\n",
+			__func__);
+		return -EINVAL;
+	}
+
+	if ((flash_start_address + content_size) > adapter->flash_capacity) {
+		rsi_dbg(ERR_ZONE,
+			"%s: Flash Content will cross max flash size\n",
+			__func__);
+		return -EINVAL;
+	}
+
+	temp_content_size  = content_size;
+	num_flash = content_size / FLASH_WRITE_CHUNK_SIZE;
+
+	rsi_dbg(INFO_ZONE, "content_size: %d, num_flash: %d\n",
+		content_size, num_flash);
+
+	for (index = 0; index <= num_flash; index++) {
+		rsi_dbg(INFO_ZONE, "flash index: %d\n", index);
+		if (index != num_flash) {
+			content_size = FLASH_WRITE_CHUNK_SIZE;
+			rsi_dbg(INFO_ZONE, "QSPI content_size:%d\n",
+				content_size);
+		} else {
+			content_size =
+				temp_content_size % FLASH_WRITE_CHUNK_SIZE;
+			rsi_dbg(INFO_ZONE,
+				"Writing last sector content_size:%d\n",
+				content_size);
+			if (!content_size) {
+				rsi_dbg(INFO_ZONE, "instruction size zero\n");
+				break;
+			}
+		}
+
+		if (index % 2)
+			cmd = PING_WRITE;
+		else
+			cmd = PONG_WRITE;
+
+		status = ping_pong_write(adapter, cmd, flash_content,
+					 content_size);
+		if (status) {
+			rsi_dbg(ERR_ZONE, "%s: Unable to load %d block\n",
+				__func__, index);
+			return status;
+		}
+
+		rsi_dbg(INFO_ZONE,
+			"%s: Successfully loaded %d instructions\n",
+			__func__, index);
+		flash_content += content_size;
+	}
+
+	status = bl_cmd(adapter, EOF_REACHED, FW_LOADING_SUCCESSFUL,
+			"EOF_REACHED");
+	if (status) {
+		bl_stop_cmd_timer(adapter);
+		return status;
+	}
+	rsi_dbg(INFO_ZONE, "FW loading is done and FW is running..\n");
+	return 0;
+}
+
+static int rsi_load_firmware(struct rsi_hw *adapter)
+{
+	struct rsi_host_intf_ops *hif_ops = adapter->host_intf_ops;
+	const struct firmware *fw_entry = NULL;
+	u32 regout_val = 0, content_size;
+	u16 tmp_regout_val = 0;
+	u8 *flash_content = NULL;
+	struct ta_metadata *metadata_p;
+	int status;
+
+	bl_start_cmd_timer(adapter, BL_CMD_TIMEOUT);
+
+	while (!adapter->blcmd_timer_expired) {
+		status = hif_ops->master_reg_read(adapter, SWBL_REGOUT,
+					      &regout_val, 2);
+		if (status < 0) {
+			rsi_dbg(ERR_ZONE,
+				"%s: REGOUT read failed\n", __func__);
+			return status;
+		}
+		mdelay(1);
+		if ((regout_val >> 8) == REGOUT_VALID)
+			break;
+	}
+	if (adapter->blcmd_timer_expired) {
+		rsi_dbg(ERR_ZONE, "%s: REGOUT read timedout\n", __func__);
+		rsi_dbg(ERR_ZONE,
+			"%s: Soft boot loader not present\n", __func__);
+		return -ETIMEDOUT;
+	}
+	bl_stop_cmd_timer(adapter);
+
+	rsi_dbg(INFO_ZONE, "Received Board Version Number: %x\n",
+		(regout_val & 0xff));
+
+	status = hif_ops->master_reg_write(adapter, SWBL_REGOUT,
+					(REGOUT_INVALID | REGOUT_INVALID << 8),
+					2);
+	if (status < 0) {
+		rsi_dbg(ERR_ZONE, "%s: REGOUT writing failed..\n", __func__);
+		return status;
+	}
+	mdelay(1);
+
+	status = bl_cmd(adapter, CONFIG_AUTO_READ_MODE, CMD_PASS,
+			"AUTO_READ_CMD");
+	if (status < 0)
+		return status;
+
+	adapter->flash_capacity = read_flash_capacity(adapter);
+	if (adapter->flash_capacity <= 0) {
+		rsi_dbg(ERR_ZONE,
+			"%s: Unable to read flash size from EEPROM\n",
+			__func__);
+		return -EINVAL;
+	}
+
+	metadata_p = &metadata_flash_content[adapter->priv->coex_mode];
+
+	rsi_dbg(INIT_ZONE, "%s: Loading file %s\n", __func__, metadata_p->name);
+	adapter->fw_file_name = metadata_p->name;
+
+	status = request_firmware(&fw_entry, metadata_p->name, adapter->device);
+	if (status < 0) {
+		rsi_dbg(ERR_ZONE, "%s: Failed to open file %s\n",
+			__func__, metadata_p->name);
+		return status;
+	}
+	flash_content = kmemdup(fw_entry->data, fw_entry->size, GFP_KERNEL);
+	if (!flash_content) {
+		rsi_dbg(ERR_ZONE, "%s: Failed to copy firmware\n", __func__);
+		status = -EIO;
+		goto fail;
+	}
+	content_size = fw_entry->size;
+	rsi_dbg(INFO_ZONE, "FW Length = %d bytes\n", content_size);
+
+	status = bl_write_header(adapter, flash_content, content_size);
+	if (status) {
+		rsi_dbg(ERR_ZONE,
+			"%s: RPS Image header loading failed\n",
+			__func__);
+		goto fail;
+	}
+
+	bl_start_cmd_timer(adapter, BL_CMD_TIMEOUT);
+	status = bl_write_cmd(adapter, CHECK_CRC, CMD_PASS, &tmp_regout_val);
+	if (status) {
+		bl_stop_cmd_timer(adapter);
+		rsi_dbg(ERR_ZONE,
+			"%s: CHECK_CRC Command writing failed..\n",
+			__func__);
+		if ((tmp_regout_val & 0xff) == CMD_FAIL) {
+			rsi_dbg(ERR_ZONE,
+				"CRC Fail.. Proceeding to Upgrade mode\n");
+			goto fw_upgrade;
+		}
+	}
+	bl_stop_cmd_timer(adapter);
+
+	status = bl_cmd(adapter, POLLING_MODE, CMD_PASS, "POLLING_MODE");
+	if (status)
+		goto fail;
+
+load_image_cmd:
+	status = bl_cmd(adapter, LOAD_HOSTED_FW, LOADING_INITIATED,
+			"LOAD_HOSTED_FW");
+	if (status)
+		goto fail;
+	rsi_dbg(INFO_ZONE, "Load Image command passed..\n");
+	goto success;
+
+fw_upgrade:
+	status = bl_cmd(adapter, BURN_HOSTED_FW, SEND_RPS_FILE, "FW_UPGRADE");
+	if (status)
+		goto fail;
+
+	rsi_dbg(INFO_ZONE, "Burn Command Pass.. Upgrading the firmware\n");
+
+	status = auto_fw_upgrade(adapter, flash_content, content_size);
+	if (status == 0) {
+		rsi_dbg(ERR_ZONE, "Firmware upgradation Done\n");
+		goto load_image_cmd;
+	}
+	rsi_dbg(ERR_ZONE, "Firmware upgrade failed\n");
+
+	status = bl_cmd(adapter, CONFIG_AUTO_READ_MODE, CMD_PASS,
+			"AUTO_READ_MODE");
+	if (status)
+		goto fail;
+
+success:
+	rsi_dbg(ERR_ZONE, "***** Firmware Loading successful *****\n");
+	kfree(flash_content);
+	release_firmware(fw_entry);
+	return 0;
+
+fail:
+	rsi_dbg(ERR_ZONE, "##### Firmware loading failed #####\n");
+	kfree(flash_content);
+	release_firmware(fw_entry);
+	return status;
+}
+
+int rsi_hal_device_init(struct rsi_hw *adapter)
+{
+	struct rsi_common *common = adapter->priv;
+
+	common->coex_mode = RSI_DEV_COEX_MODE_WIFI_ALONE;
+	common->oper_mode = RSI_DEV_OPMODE_WIFI_ALONE;
+	adapter->device_model = RSI_DEV_9113;
+
+	switch (adapter->device_model) {
+	case RSI_DEV_9113:
+		if (rsi_load_firmware(adapter)) {
+			rsi_dbg(ERR_ZONE,
+				"%s: Failed to load TA instructions\n",
+				__func__);
+			return -EINVAL;
+		}
+		break;
+	default:
+		return -EINVAL;
+	}
+	common->fsm_state = FSM_CARD_NOT_READY;
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(rsi_hal_device_init);
+