RX control register read/write functions are added, as directly
read/write may fail when under stress small traffic. After the
adminq is ready, all rx control registers should be read/written
by dedicated functions.

Signed-off-by: Helin Zhang <helin.zhang at intel.com>
Acked-by: Jingjing Wu <jingjing.wu at intel.com>
---
 doc/guides/rel_notes/release_16_04.rst  |   6 ++
 drivers/net/i40e/base/i40e_adminq_cmd.h |  16 ++++
 drivers/net/i40e/base/i40e_common.c     | 126 +++++++++++++++++++++++++++++++-
 drivers/net/i40e/base/i40e_osdep.h      |  36 +++++++++
 drivers/net/i40e/base/i40e_prototype.h  |   8 ++
 drivers/net/i40e/i40e_ethdev.c          |  66 +++++++++--------
 drivers/net/i40e/i40e_ethdev_vf.c       |  28 +++----
 drivers/net/i40e/i40e_fdir.c            |  13 ++--
 drivers/net/i40e/i40e_pf.c              |   6 +-
 9 files changed, 248 insertions(+), 57 deletions(-)

v4:
 - Reworded the commit logs.
 - Merged all control register read/write code changes together.
 - Moved the annoucenment of fixes into this patch.

diff --git a/doc/guides/rel_notes/release_16_04.rst 
b/doc/guides/rel_notes/release_16_04.rst
index 73494f9..165533f 100644
--- a/doc/guides/rel_notes/release_16_04.rst
+++ b/doc/guides/rel_notes/release_16_04.rst
@@ -137,6 +137,12 @@ Drivers

 * **vmxnet3: add TSO support.**

+* **i40e: Fixed failure of reading/writing rx control registers.**
+
+  Fixed i40e issue failing to read/write rx control registers when
+  under stress small traffic, which might result in application launch
+  failure.
+

 Libraries
 ~~~~~~~~~
diff --git a/drivers/net/i40e/base/i40e_adminq_cmd.h 
b/drivers/net/i40e/base/i40e_adminq_cmd.h
index 165df9b..12ebd35 100644
--- a/drivers/net/i40e/base/i40e_adminq_cmd.h
+++ b/drivers/net/i40e/base/i40e_adminq_cmd.h
@@ -165,6 +165,8 @@ enum i40e_admin_queue_opc {
        i40e_aqc_opc_set_port_parameters        = 0x0203,
        i40e_aqc_opc_get_switch_resource_alloc  = 0x0204,
        i40e_aqc_opc_set_switch_config          = 0x0205,
+       i40e_aqc_opc_rx_ctl_reg_read            = 0x0206,
+       i40e_aqc_opc_rx_ctl_reg_write           = 0x0207,

        i40e_aqc_opc_add_vsi                    = 0x0210,
        i40e_aqc_opc_update_vsi_parameters      = 0x0211,
@@ -752,6 +754,20 @@ struct i40e_aqc_set_switch_config {

 I40E_CHECK_CMD_LENGTH(i40e_aqc_set_switch_config);

+/* Read Receive control registers  (direct 0x0206)
+ * Write Receive control registers (direct 0x0207)
+ *     used for accessing Rx control registers that can be
+ *     slow and need special handling when under high Rx load
+ */
+struct i40e_aqc_rx_ctl_reg_read_write {
+       __le32 reserved1;
+       __le32 address;
+       __le32 reserved2;
+       __le32 value;
+};
+
+I40E_CHECK_CMD_LENGTH(i40e_aqc_rx_ctl_reg_read_write);
+
 /* Add VSI (indirect 0x0210)
  *    this indirect command uses struct i40e_aqc_vsi_properties_data
  *    as the indirect buffer (128 bytes)
diff --git a/drivers/net/i40e/base/i40e_common.c 
b/drivers/net/i40e/base/i40e_common.c
index e94f726..ef3425e 100644
--- a/drivers/net/i40e/base/i40e_common.c
+++ b/drivers/net/i40e/base/i40e_common.c
@@ -5356,7 +5356,7 @@ enum i40e_status_code i40e_set_filter_control(struct 
i40e_hw *hw,
                return ret;

        /* Read the PF Queue Filter control register */
-       val = rd32(hw, I40E_PFQF_CTL_0);
+       val = i40e_read_rx_ctl(hw, I40E_PFQF_CTL_0);

        /* Program required PE hash buckets for the PF */
        val &= ~I40E_PFQF_CTL_0_PEHSIZE_MASK;
@@ -5393,7 +5393,7 @@ enum i40e_status_code i40e_set_filter_control(struct 
i40e_hw *hw,
        if (settings->enable_macvlan)
                val |= I40E_PFQF_CTL_0_MACVLAN_ENA_MASK;

-       wr32(hw, I40E_PFQF_CTL_0, val);
+       i40e_write_rx_ctl(hw, I40E_PFQF_CTL_0, val);

        return I40E_SUCCESS;
 }
@@ -6317,6 +6317,128 @@ restore_config:
        return status;
 }
 #endif /* PF_DRIVER */
+
+/**
+ * i40e_aq_rx_ctl_read_register - use FW to read from an Rx control register
+ * @hw: pointer to the hw struct
+ * @reg_addr: register address
+ * @reg_val: ptr to register value
+ * @cmd_details: pointer to command details structure or NULL
+ *
+ * Use the firmware to read the Rx control register,
+ * especially useful if the Rx unit is under heavy pressure
+ **/
+enum i40e_status_code i40e_aq_rx_ctl_read_register(struct i40e_hw *hw,
+                               u32 reg_addr, u32 *reg_val,
+                               struct i40e_asq_cmd_details *cmd_details)
+{
+       struct i40e_aq_desc desc;
+       struct i40e_aqc_rx_ctl_reg_read_write *cmd_resp =
+               (struct i40e_aqc_rx_ctl_reg_read_write *)&desc.params.raw;
+       enum i40e_status_code status;
+
+       if (reg_val == NULL)
+               return I40E_ERR_PARAM;
+
+       i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_rx_ctl_reg_read);
+
+       cmd_resp->address = CPU_TO_LE32(reg_addr);
+
+       status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
+
+       if (status == I40E_SUCCESS)
+               *reg_val = LE32_TO_CPU(cmd_resp->value);
+
+       return status;
+}
+
+/**
+ * i40e_read_rx_ctl - read from an Rx control register
+ * @hw: pointer to the hw struct
+ * @reg_addr: register address
+ **/
+u32 i40e_read_rx_ctl(struct i40e_hw *hw, u32 reg_addr)
+{
+       enum i40e_status_code status = I40E_SUCCESS;
+       bool use_register;
+       int retry = 5;
+       u32 val = 0;
+
+       use_register = (hw->aq.api_maj_ver == 1) && (hw->aq.api_min_ver < 5);
+       if (!use_register) {
+do_retry:
+               status = i40e_aq_rx_ctl_read_register(hw, reg_addr, &val, NULL);
+               if (hw->aq.asq_last_status == I40E_AQ_RC_EAGAIN && retry) {
+                       i40e_msec_delay(1);
+                       retry--;
+                       goto do_retry;
+               }
+       }
+
+       /* if the AQ access failed, try the old-fashioned way */
+       if (status || use_register)
+               val = rd32(hw, reg_addr);
+
+       return val;
+}
+
+/**
+ * i40e_aq_rx_ctl_write_register
+ * @hw: pointer to the hw struct
+ * @reg_addr: register address
+ * @reg_val: register value
+ * @cmd_details: pointer to command details structure or NULL
+ *
+ * Use the firmware to write to an Rx control register,
+ * especially useful if the Rx unit is under heavy pressure
+ **/
+enum i40e_status_code i40e_aq_rx_ctl_write_register(struct i40e_hw *hw,
+                               u32 reg_addr, u32 reg_val,
+                               struct i40e_asq_cmd_details *cmd_details)
+{
+       struct i40e_aq_desc desc;
+       struct i40e_aqc_rx_ctl_reg_read_write *cmd =
+               (struct i40e_aqc_rx_ctl_reg_read_write *)&desc.params.raw;
+       enum i40e_status_code status;
+
+       i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_rx_ctl_reg_write);
+
+       cmd->address = CPU_TO_LE32(reg_addr);
+       cmd->value = CPU_TO_LE32(reg_val);
+
+       status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
+
+       return status;
+}
+
+/**
+ * i40e_write_rx_ctl - write to an Rx control register
+ * @hw: pointer to the hw struct
+ * @reg_addr: register address
+ * @reg_val: register value
+ **/
+void i40e_write_rx_ctl(struct i40e_hw *hw, u32 reg_addr, u32 reg_val)
+{
+       enum i40e_status_code status = I40E_SUCCESS;
+       bool use_register;
+       int retry = 5;
+
+       use_register = (hw->aq.api_maj_ver == 1) && (hw->aq.api_min_ver < 5);
+       if (!use_register) {
+do_retry:
+               status = i40e_aq_rx_ctl_write_register(hw, reg_addr,
+                                                      reg_val, NULL);
+               if (hw->aq.asq_last_status == I40E_AQ_RC_EAGAIN && retry) {
+                       i40e_msec_delay(1);
+                       retry--;
+                       goto do_retry;
+               }
+       }
+
+       /* if the AQ access failed, try the old-fashioned way */
+       if (status || use_register)
+               wr32(hw, reg_addr, reg_val);
+}
 #ifdef VF_DRIVER

 /**
diff --git a/drivers/net/i40e/base/i40e_osdep.h 
b/drivers/net/i40e/base/i40e_osdep.h
index 71077f0..8c84ed8 100644
--- a/drivers/net/i40e/base/i40e_osdep.h
+++ b/drivers/net/i40e/base/i40e_osdep.h
@@ -117,6 +117,42 @@ do {                                                       
     \
                                        ##__VA_ARGS__);         \
 } while (0)

+/* AQ commands based interfaces of i40e_read_rx_ctl() and i40e_write_rx_ctl()
+ * are required for reading/writing below registers, as reading/writing it
+ * directly may not function correctly if the device is under heavy small
+ * packet traffic. Note that those interfaces are available from FVL5 and not
+ * suitable before the AdminQ is ready during initialization.
+ *
+ * I40E_PFQF_CTL_0
+ * I40E_PFQF_HENA
+ * I40E_PFQF_FDALLOC
+ * I40E_PFQF_HREGION
+ * I40E_PFLAN_QALLOC
+ * I40E_VPQF_CTL
+ * I40E_VFQF_HENA
+ * I40E_VFQF_HREGION
+ * I40E_VSIQF_CTL
+ * I40E_VSILAN_QBASE
+ * I40E_VSILAN_QTABLE
+ * I40E_VSIQF_TCREGION
+ * I40E_PFQF_HKEY
+ * I40E_VFQF_HKEY
+ * I40E_PRTQF_CTL_0
+ * I40E_GLFCOE_RCTL
+ * I40E_GLFCOE_RSOF
+ * I40E_GLQF_CTL
+ * I40E_GLQF_SWAP
+ * I40E_GLQF_HASH_MSK
+ * I40E_GLQF_HASH_INSET
+ * I40E_GLQF_HSYM
+ * I40E_GLQF_FC_MSK
+ * I40E_GLQF_FC_INSET
+ * I40E_GLQF_FD_MSK
+ * I40E_PRTQF_FD_INSET
+ * I40E_PRTQF_FD_FLXINSET
+ * I40E_PRTQF_FD_MSK
+ */
+
 #define I40E_PCI_REG(reg)         (*((volatile uint32_t *)(reg)))
 #define I40E_PCI_REG_ADDR(a, reg) \
        ((volatile uint32_t *)((char *)(a)->hw_addr + (reg)))
diff --git a/drivers/net/i40e/base/i40e_prototype.h 
b/drivers/net/i40e/base/i40e_prototype.h
index e0a409f..674430d 100644
--- a/drivers/net/i40e/base/i40e_prototype.h
+++ b/drivers/net/i40e/base/i40e_prototype.h
@@ -516,6 +516,14 @@ enum i40e_status_code i40e_aq_debug_dump(struct i40e_hw 
*hw, u8 cluster_id,
                                struct i40e_asq_cmd_details *cmd_details);
 void i40e_add_filter_to_drop_tx_flow_control_frames(struct i40e_hw *hw,
                                                    u16 vsi_seid);
+enum i40e_status_code i40e_aq_rx_ctl_read_register(struct i40e_hw *hw,
+                               u32 reg_addr, u32 *reg_val,
+                               struct i40e_asq_cmd_details *cmd_details);
+u32 i40e_read_rx_ctl(struct i40e_hw *hw, u32 reg_addr);
+enum i40e_status_code i40e_aq_rx_ctl_write_register(struct i40e_hw *hw,
+                               u32 reg_addr, u32 reg_val,
+                               struct i40e_asq_cmd_details *cmd_details);
+void i40e_write_rx_ctl(struct i40e_hw *hw, u32 reg_addr, u32 reg_val);
 #ifdef X722_SUPPORT
 enum i40e_status_code i40e_aq_set_arp_proxy_config(struct i40e_hw *hw,
                        struct i40e_aqc_arp_proxy_data *proxy_config,
diff --git a/drivers/net/i40e/i40e_ethdev.c b/drivers/net/i40e/i40e_ethdev.c
index 00fdc0a..82cc63a 100644
--- a/drivers/net/i40e/i40e_ethdev.c
+++ b/drivers/net/i40e/i40e_ethdev.c
@@ -5708,11 +5708,11 @@ i40e_pf_disable_rss(struct i40e_pf *pf)
        struct i40e_hw *hw = I40E_PF_TO_HW(pf);
        uint64_t hena;

-       hena = (uint64_t)I40E_READ_REG(hw, I40E_PFQF_HENA(0));
-       hena |= ((uint64_t)I40E_READ_REG(hw, I40E_PFQF_HENA(1))) << 32;
+       hena = (uint64_t)i40e_read_rx_ctl(hw, I40E_PFQF_HENA(0));
+       hena |= ((uint64_t)i40e_read_rx_ctl(hw, I40E_PFQF_HENA(1))) << 32;
        hena &= ~I40E_RSS_HENA_ALL;
-       I40E_WRITE_REG(hw, I40E_PFQF_HENA(0), (uint32_t)hena);
-       I40E_WRITE_REG(hw, I40E_PFQF_HENA(1), (uint32_t)(hena >> 32));
+       i40e_write_rx_ctl(hw, I40E_PFQF_HENA(0), (uint32_t)hena);
+       i40e_write_rx_ctl(hw, I40E_PFQF_HENA(1), (uint32_t)(hena >> 32));
        I40E_WRITE_FLUSH(hw);
 }

@@ -5745,7 +5745,7 @@ i40e_set_rss_key(struct i40e_vsi *vsi, uint8_t *key, 
uint8_t key_len)
                uint16_t i;

                for (i = 0; i <= I40E_PFQF_HKEY_MAX_INDEX; i++)
-                       I40E_WRITE_REG(hw, I40E_PFQF_HKEY(i), hash_key[i]);
+                       i40e_write_rx_ctl(hw, I40E_PFQF_HKEY(i), hash_key[i]);
                I40E_WRITE_FLUSH(hw);
        }

@@ -5774,7 +5774,7 @@ i40e_get_rss_key(struct i40e_vsi *vsi, uint8_t *key, 
uint8_t *key_len)
                uint16_t i;

                for (i = 0; i <= I40E_PFQF_HKEY_MAX_INDEX; i++)
-                       key_dw[i] = I40E_READ_REG(hw, I40E_PFQF_HKEY(i));
+                       key_dw[i] = i40e_read_rx_ctl(hw, I40E_PFQF_HKEY(i));
        }
        *key_len = (I40E_PFQF_HKEY_MAX_INDEX + 1) * sizeof(uint32_t);

@@ -5795,12 +5795,12 @@ i40e_hw_rss_hash_set(struct i40e_pf *pf, struct 
rte_eth_rss_conf *rss_conf)
                return ret;

        rss_hf = rss_conf->rss_hf;
-       hena = (uint64_t)I40E_READ_REG(hw, I40E_PFQF_HENA(0));
-       hena |= ((uint64_t)I40E_READ_REG(hw, I40E_PFQF_HENA(1))) << 32;
+       hena = (uint64_t)i40e_read_rx_ctl(hw, I40E_PFQF_HENA(0));
+       hena |= ((uint64_t)i40e_read_rx_ctl(hw, I40E_PFQF_HENA(1))) << 32;
        hena &= ~I40E_RSS_HENA_ALL;
        hena |= i40e_config_hena(rss_hf);
-       I40E_WRITE_REG(hw, I40E_PFQF_HENA(0), (uint32_t)hena);
-       I40E_WRITE_REG(hw, I40E_PFQF_HENA(1), (uint32_t)(hena >> 32));
+       i40e_write_rx_ctl(hw, I40E_PFQF_HENA(0), (uint32_t)hena);
+       i40e_write_rx_ctl(hw, I40E_PFQF_HENA(1), (uint32_t)(hena >> 32));
        I40E_WRITE_FLUSH(hw);

        return 0;
@@ -5815,8 +5815,8 @@ i40e_dev_rss_hash_update(struct rte_eth_dev *dev,
        uint64_t rss_hf = rss_conf->rss_hf & I40E_RSS_OFFLOAD_ALL;
        uint64_t hena;

-       hena = (uint64_t)I40E_READ_REG(hw, I40E_PFQF_HENA(0));
-       hena |= ((uint64_t)I40E_READ_REG(hw, I40E_PFQF_HENA(1))) << 32;
+       hena = (uint64_t)i40e_read_rx_ctl(hw, I40E_PFQF_HENA(0));
+       hena |= ((uint64_t)i40e_read_rx_ctl(hw, I40E_PFQF_HENA(1))) << 32;
        if (!(hena & I40E_RSS_HENA_ALL)) { /* RSS disabled */
                if (rss_hf != 0) /* Enable RSS */
                        return -EINVAL;
@@ -5840,8 +5840,8 @@ i40e_dev_rss_hash_conf_get(struct rte_eth_dev *dev,
        i40e_get_rss_key(pf->main_vsi, rss_conf->rss_key,
                         &rss_conf->rss_key_len);

-       hena = (uint64_t)I40E_READ_REG(hw, I40E_PFQF_HENA(0));
-       hena |= ((uint64_t)I40E_READ_REG(hw, I40E_PFQF_HENA(1))) << 32;
+       hena = (uint64_t)i40e_read_rx_ctl(hw, I40E_PFQF_HENA(0));
+       hena |= ((uint64_t)i40e_read_rx_ctl(hw, I40E_PFQF_HENA(1))) << 32;
        rss_conf->rss_hf = i40e_parse_hena(hena);

        return 0;
@@ -6342,7 +6342,7 @@ i40e_pf_config_mq_rx(struct i40e_pf *pf)
 static void
 i40e_get_symmetric_hash_enable_per_port(struct i40e_hw *hw, uint8_t *enable)
 {
-       uint32_t reg = I40E_READ_REG(hw, I40E_PRTQF_CTL_0);
+       uint32_t reg = i40e_read_rx_ctl(hw, I40E_PRTQF_CTL_0);

        *enable = reg & I40E_PRTQF_CTL_0_HSYM_ENA_MASK ? 1 : 0;
 }
@@ -6351,7 +6351,7 @@ i40e_get_symmetric_hash_enable_per_port(struct i40e_hw 
*hw, uint8_t *enable)
 static void
 i40e_set_symmetric_hash_enable_per_port(struct i40e_hw *hw, uint8_t enable)
 {
-       uint32_t reg = I40E_READ_REG(hw, I40E_PRTQF_CTL_0);
+       uint32_t reg = i40e_read_rx_ctl(hw, I40E_PRTQF_CTL_0);

        if (enable > 0) {
                if (reg & I40E_PRTQF_CTL_0_HSYM_ENA_MASK) {
@@ -6368,7 +6368,7 @@ i40e_set_symmetric_hash_enable_per_port(struct i40e_hw 
*hw, uint8_t enable)
                }
                reg &= ~I40E_PRTQF_CTL_0_HSYM_ENA_MASK;
        }
-       I40E_WRITE_REG(hw, I40E_PRTQF_CTL_0, reg);
+       i40e_write_rx_ctl(hw, I40E_PRTQF_CTL_0, reg);
        I40E_WRITE_FLUSH(hw);
 }

@@ -6386,7 +6386,7 @@ i40e_get_hash_filter_global_config(struct i40e_hw *hw,
        enum i40e_filter_pctype pctype;

        memset(g_cfg, 0, sizeof(*g_cfg));
-       reg = I40E_READ_REG(hw, I40E_GLQF_CTL);
+       reg = i40e_read_rx_ctl(hw, I40E_GLQF_CTL);
        if (reg & I40E_GLQF_CTL_HTOEP_MASK)
                g_cfg->hash_func = RTE_ETH_HASH_FUNCTION_TOEPLITZ;
        else
@@ -6401,7 +6401,7 @@ i40e_get_hash_filter_global_config(struct i40e_hw *hw,
                /* Bit set indicats the coresponding flow type is supported */
                g_cfg->valid_bit_mask[0] |= (1UL << i);
                pctype = i40e_flowtype_to_pctype(i);
-               reg = I40E_READ_REG(hw, I40E_GLQF_HSYM(pctype));
+               reg = i40e_read_rx_ctl(hw, I40E_GLQF_HSYM(pctype));
                if (reg & I40E_GLQF_HSYM_SYMH_ENA_MASK)
                        g_cfg->sym_hash_enable_mask[0] |= (1UL << i);
        }
@@ -6474,10 +6474,10 @@ i40e_set_hash_filter_global_config(struct i40e_hw *hw,
                pctype = i40e_flowtype_to_pctype(i);
                reg = (g_cfg->sym_hash_enable_mask[0] & (1UL << i)) ?
                                I40E_GLQF_HSYM_SYMH_ENA_MASK : 0;
-               I40E_WRITE_REG(hw, I40E_GLQF_HSYM(pctype), reg);
+               i40e_write_rx_ctl(hw, I40E_GLQF_HSYM(pctype), reg);
        }

-       reg = I40E_READ_REG(hw, I40E_GLQF_CTL);
+       reg = i40e_read_rx_ctl(hw, I40E_GLQF_CTL);
        if (g_cfg->hash_func == RTE_ETH_HASH_FUNCTION_TOEPLITZ) {
                /* Toeplitz */
                if (reg & I40E_GLQF_CTL_HTOEP_MASK) {
@@ -6498,7 +6498,7 @@ i40e_set_hash_filter_global_config(struct i40e_hw *hw,
                /* Use the default, and keep it as it is */
                goto out;

-       I40E_WRITE_REG(hw, I40E_GLQF_CTL, reg);
+       i40e_write_rx_ctl(hw, I40E_GLQF_CTL, reg);

 out:
        I40E_WRITE_FLUSH(hw);
@@ -6921,13 +6921,13 @@ i40e_get_reg_inset(struct i40e_hw *hw, enum 
rte_filter_type filter,
        uint64_t reg = 0;

        if (filter == RTE_ETH_FILTER_HASH) {
-               reg = I40E_READ_REG(hw, I40E_GLQF_HASH_INSET(1, pctype));
+               reg = i40e_read_rx_ctl(hw, I40E_GLQF_HASH_INSET(1, pctype));
                reg <<= I40E_32_BIT_WIDTH;
-               reg |= I40E_READ_REG(hw, I40E_GLQF_HASH_INSET(0, pctype));
+               reg |= i40e_read_rx_ctl(hw, I40E_GLQF_HASH_INSET(0, pctype));
        } else if (filter == RTE_ETH_FILTER_FDIR) {
-               reg = I40E_READ_REG(hw, I40E_PRTQF_FD_INSET(pctype, 1));
+               reg = i40e_read_rx_ctl(hw, I40E_PRTQF_FD_INSET(pctype, 1));
                reg <<= I40E_32_BIT_WIDTH;
-               reg |= I40E_READ_REG(hw, I40E_PRTQF_FD_INSET(pctype, 0));
+               reg |= i40e_read_rx_ctl(hw, I40E_PRTQF_FD_INSET(pctype, 0));
        }

        return reg;
@@ -6936,13 +6936,13 @@ i40e_get_reg_inset(struct i40e_hw *hw, enum 
rte_filter_type filter,
 static void
 i40e_check_write_reg(struct i40e_hw *hw, uint32_t addr, uint32_t val)
 {
-       uint32_t reg = I40E_READ_REG(hw, addr);
+       uint32_t reg = i40e_read_rx_ctl(hw, addr);

        PMD_DRV_LOG(DEBUG, "[0x%08x] original: 0x%08x\n", addr, reg);
        if (reg != val)
-               I40E_WRITE_REG(hw, addr, val);
+               i40e_write_rx_ctl(hw, addr, val);
        PMD_DRV_LOG(DEBUG, "[0x%08x] after: 0x%08x\n", addr,
-                   (uint32_t)I40E_READ_REG(hw, addr));
+                   (uint32_t)i40e_read_rx_ctl(hw, addr));
 }

 static int
@@ -6971,7 +6971,8 @@ i40e_set_hash_inset_mask(struct i40e_hw *hw,
                uint8_t j, count = 0;

                for (i = 0; i < I40E_INSET_MASK_NUM_REG; i++) {
-                       reg = I40E_READ_REG(hw, I40E_GLQF_HASH_MSK(i, pctype));
+                       reg = i40e_read_rx_ctl(hw,
+                                              I40E_GLQF_HASH_MSK(i, pctype));
                        if (reg & I40E_GLQF_HASH_MSK_FIELD)
                                count++;
                }
@@ -7012,7 +7013,8 @@ i40e_set_fd_inset_mask(struct i40e_hw *hw,
                uint8_t j, count = 0;

                for (i = 0; i < I40E_INSET_MASK_NUM_REG; i++) {
-                       reg = I40E_READ_REG(hw, I40E_GLQF_FD_MSK(i, pctype));
+                       reg = i40e_read_rx_ctl(hw,
+                                              I40E_GLQF_FD_MSK(i, pctype));
                        if (reg & I40E_GLQF_FD_MSK_FIELD)
                                count++;
                }
@@ -7339,7 +7341,7 @@ static void
 i40e_hw_init(struct i40e_hw *hw)
 {
        /* clear the PF Queue Filter control register */
-       I40E_WRITE_REG(hw, I40E_PFQF_CTL_0, 0);
+       i40e_write_rx_ctl(hw, I40E_PFQF_CTL_0, 0);

        /* Disable symmetric hash per port */
        i40e_set_symmetric_hash_enable_per_port(hw, 0);
diff --git a/drivers/net/i40e/i40e_ethdev_vf.c 
b/drivers/net/i40e/i40e_ethdev_vf.c
index 13c5b3d..bd5c091 100644
--- a/drivers/net/i40e/i40e_ethdev_vf.c
+++ b/drivers/net/i40e/i40e_ethdev_vf.c
@@ -2229,7 +2229,7 @@ i40evf_set_rss_key(struct i40e_vsi *vsi, uint8_t *key, 
uint8_t key_len)
                uint16_t i;

                for (i = 0; i <= I40E_VFQF_HKEY_MAX_INDEX; i++)
-                       I40E_WRITE_REG(hw, I40E_VFQF_HKEY(i), hash_key[i]);
+                       i40e_write_rx_ctl(hw, I40E_VFQF_HKEY(i), hash_key[i]);
                I40EVF_WRITE_FLUSH(hw);
        }

@@ -2258,7 +2258,7 @@ i40evf_get_rss_key(struct i40e_vsi *vsi, uint8_t *key, 
uint8_t *key_len)
                uint16_t i;

                for (i = 0; i <= I40E_VFQF_HKEY_MAX_INDEX; i++)
-                       key_dw[i] = I40E_READ_REG(hw, I40E_VFQF_HKEY(i));
+                       key_dw[i] = i40e_read_rx_ctl(hw, I40E_VFQF_HKEY(i));
        }
        *key_len = (I40E_VFQF_HKEY_MAX_INDEX + 1) * sizeof(uint32_t);

@@ -2278,12 +2278,12 @@ i40evf_hw_rss_hash_set(struct i40e_vf *vf, struct 
rte_eth_rss_conf *rss_conf)
                return ret;

        rss_hf = rss_conf->rss_hf;
-       hena = (uint64_t)I40E_READ_REG(hw, I40E_VFQF_HENA(0));
-       hena |= ((uint64_t)I40E_READ_REG(hw, I40E_VFQF_HENA(1))) << 32;
+       hena = (uint64_t)i40e_read_rx_ctl(hw, I40E_VFQF_HENA(0));
+       hena |= ((uint64_t)i40e_read_rx_ctl(hw, I40E_VFQF_HENA(1))) << 32;
        hena &= ~I40E_RSS_HENA_ALL;
        hena |= i40e_config_hena(rss_hf);
-       I40E_WRITE_REG(hw, I40E_VFQF_HENA(0), (uint32_t)hena);
-       I40E_WRITE_REG(hw, I40E_VFQF_HENA(1), (uint32_t)(hena >> 32));
+       i40e_write_rx_ctl(hw, I40E_VFQF_HENA(0), (uint32_t)hena);
+       i40e_write_rx_ctl(hw, I40E_VFQF_HENA(1), (uint32_t)(hena >> 32));
        I40EVF_WRITE_FLUSH(hw);

        return 0;
@@ -2295,11 +2295,11 @@ i40evf_disable_rss(struct i40e_vf *vf)
        struct i40e_hw *hw = I40E_VF_TO_HW(vf);
        uint64_t hena;

-       hena = (uint64_t)I40E_READ_REG(hw, I40E_VFQF_HENA(0));
-       hena |= ((uint64_t)I40E_READ_REG(hw, I40E_VFQF_HENA(1))) << 32;
+       hena = (uint64_t)i40e_read_rx_ctl(hw, I40E_VFQF_HENA(0));
+       hena |= ((uint64_t)i40e_read_rx_ctl(hw, I40E_VFQF_HENA(1))) << 32;
        hena &= ~I40E_RSS_HENA_ALL;
-       I40E_WRITE_REG(hw, I40E_VFQF_HENA(0), (uint32_t)hena);
-       I40E_WRITE_REG(hw, I40E_VFQF_HENA(1), (uint32_t)(hena >> 32));
+       i40e_write_rx_ctl(hw, I40E_VFQF_HENA(0), (uint32_t)hena);
+       i40e_write_rx_ctl(hw, I40E_VFQF_HENA(1), (uint32_t)(hena >> 32));
        I40EVF_WRITE_FLUSH(hw);
 }

@@ -2356,8 +2356,8 @@ i40evf_dev_rss_hash_update(struct rte_eth_dev *dev,
        uint64_t rss_hf = rss_conf->rss_hf & I40E_RSS_OFFLOAD_ALL;
        uint64_t hena;

-       hena = (uint64_t)I40E_READ_REG(hw, I40E_VFQF_HENA(0));
-       hena |= ((uint64_t)I40E_READ_REG(hw, I40E_VFQF_HENA(1))) << 32;
+       hena = (uint64_t)i40e_read_rx_ctl(hw, I40E_VFQF_HENA(0));
+       hena |= ((uint64_t)i40e_read_rx_ctl(hw, I40E_VFQF_HENA(1))) << 32;
        if (!(hena & I40E_RSS_HENA_ALL)) { /* RSS disabled */
                if (rss_hf != 0) /* Enable RSS */
                        return -EINVAL;
@@ -2382,8 +2382,8 @@ i40evf_dev_rss_hash_conf_get(struct rte_eth_dev *dev,
        i40evf_get_rss_key(&vf->vsi, rss_conf->rss_key,
                           &rss_conf->rss_key_len);

-       hena = (uint64_t)I40E_READ_REG(hw, I40E_VFQF_HENA(0));
-       hena |= ((uint64_t)I40E_READ_REG(hw, I40E_VFQF_HENA(1))) << 32;
+       hena = (uint64_t)i40e_read_rx_ctl(hw, I40E_VFQF_HENA(0));
+       hena |= ((uint64_t)i40e_read_rx_ctl(hw, I40E_VFQF_HENA(1))) << 32;
        rss_conf->rss_hf = i40e_parse_hena(hena);

        return 0;
diff --git a/drivers/net/i40e/i40e_fdir.c b/drivers/net/i40e/i40e_fdir.c
index 9ad6981..14c51ce 100644
--- a/drivers/net/i40e/i40e_fdir.c
+++ b/drivers/net/i40e/i40e_fdir.c
@@ -52,6 +52,7 @@

 #include "i40e_logs.h"
 #include "base/i40e_type.h"
+#include "base/i40e_prototype.h"
 #include "i40e_ethdev.h"
 #include "i40e_rxtx.h"

@@ -369,11 +370,11 @@ i40e_init_flx_pld(struct i40e_pf *pf)
                if (!I40E_VALID_PCTYPE((enum i40e_filter_pctype)pctype))
                        continue;
                pf->fdir.flex_mask[pctype].word_mask = 0;
-               I40E_WRITE_REG(hw, I40E_PRTQF_FD_FLXINSET(pctype), 0);
+               i40e_write_rx_ctl(hw, I40E_PRTQF_FD_FLXINSET(pctype), 0);
                for (i = 0; i < I40E_FDIR_BITMASK_NUM_WORD; i++) {
                        pf->fdir.flex_mask[pctype].bitmask[i].offset = 0;
                        pf->fdir.flex_mask[pctype].bitmask[i].mask = 0;
-                       I40E_WRITE_REG(hw, I40E_PRTQF_FD_MSK(pctype, i), 0);
+                       i40e_write_rx_ctl(hw, I40E_PRTQF_FD_MSK(pctype, i), 0);
                }
        }
 }
@@ -618,7 +619,7 @@ i40e_set_flex_mask_on_pctype(struct i40e_pf *pf,
        flxinset = (flex_mask->word_mask <<
                I40E_PRTQF_FD_FLXINSET_INSET_SHIFT) &
                I40E_PRTQF_FD_FLXINSET_INSET_MASK;
-       I40E_WRITE_REG(hw, I40E_PRTQF_FD_FLXINSET(pctype), flxinset);
+       i40e_write_rx_ctl(hw, I40E_PRTQF_FD_FLXINSET(pctype), flxinset);

        for (i = 0; i < nb_bitmask; i++) {
                fd_mask = (flex_mask->bitmask[i].mask <<
@@ -628,7 +629,7 @@ i40e_set_flex_mask_on_pctype(struct i40e_pf *pf,
                        I40E_FLX_OFFSET_IN_FIELD_VECTOR) <<
                        I40E_PRTQF_FD_MSK_OFFSET_SHIFT) &
                        I40E_PRTQF_FD_MSK_OFFSET_MASK;
-               I40E_WRITE_REG(hw, I40E_PRTQF_FD_MSK(pctype, i), fd_mask);
+               i40e_write_rx_ctl(hw, I40E_PRTQF_FD_MSK(pctype, i), fd_mask);
        }
 }

@@ -660,9 +661,9 @@ i40e_fdir_configure(struct rte_eth_dev *dev)
        }

        /* enable FDIR filter */
-       val = I40E_READ_REG(hw, I40E_PFQF_CTL_0);
+       val = i40e_read_rx_ctl(hw, I40E_PFQF_CTL_0);
        val |= I40E_PFQF_CTL_0_FD_ENA_MASK;
-       I40E_WRITE_REG(hw, I40E_PFQF_CTL_0, val);
+       i40e_write_rx_ctl(hw, I40E_PFQF_CTL_0, val);

        i40e_init_flx_pld(pf); /* set flex config to default value */

diff --git a/drivers/net/i40e/i40e_pf.c b/drivers/net/i40e/i40e_pf.c
index cbf4e5b..51ae1e7 100644
--- a/drivers/net/i40e/i40e_pf.c
+++ b/drivers/net/i40e/i40e_pf.c
@@ -82,8 +82,8 @@ i40e_pf_vf_queues_mapping(struct i40e_pf_vf *vf)
         * VF should use scatter range queues. So, it needn't
         * to set QBASE in this register.
         */
-       I40E_WRITE_REG(hw, I40E_VSILAN_QBASE(vsi_id),
-            I40E_VSILAN_QBASE_VSIQTABLE_ENA_MASK);
+       i40e_write_rx_ctl(hw, I40E_VSILAN_QBASE(vsi_id),
+                         I40E_VSILAN_QBASE_VSIQTABLE_ENA_MASK);

        /* Set to enable VFLAN_QTABLE[] registers valid */
        I40E_WRITE_REG(hw, I40E_VPLAN_MAPENA(vf_id),
@@ -108,7 +108,7 @@ i40e_pf_vf_queues_mapping(struct i40e_pf_vf *vf)
                        q2 = qbase + 2 * i + 1;

                val = (q2 << I40E_VSILAN_QTABLE_QINDEX_1_SHIFT) + q1;
-               I40E_WRITE_REG(hw, I40E_VSILAN_QTABLE(i, vsi_id), val);
+               i40e_write_rx_ctl(hw, I40E_VSILAN_QTABLE(i, vsi_id), val);
        }
        I40E_WRITE_FLUSH(hw);

-- 
2.5.0

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