net/sfc/base: update autogenerated headers from firmwaresrc
[dpdk.git] / drivers / net / i40e / base / i40e_dcb.c
index d71387f..7600c92 100644 (file)
@@ -387,32 +387,42 @@ static void i40e_parse_cee_app_tlv(struct i40e_cee_feat_tlv *tlv,
 {
        u16 length, typelength, offset = 0;
        struct i40e_cee_app_prio *app;
-       u8 i, up, selector;
+       u8 i;
 
        typelength = I40E_NTOHS(tlv->hdr.typelen);
        length = (u16)((typelength & I40E_LLDP_TLV_LEN_MASK) >>
                       I40E_LLDP_TLV_LEN_SHIFT);
 
-       dcbcfg->numapps = length/sizeof(*app);
+       dcbcfg->numapps = length / sizeof(*app);
        if (!dcbcfg->numapps)
                return;
+       if (dcbcfg->numapps > I40E_DCBX_MAX_APPS)
+               dcbcfg->numapps = I40E_DCBX_MAX_APPS;
 
        for (i = 0; i < dcbcfg->numapps; i++) {
+               u8 up, selector;
+
                app = (struct i40e_cee_app_prio *)(tlv->tlvinfo + offset);
                for (up = 0; up < I40E_MAX_USER_PRIORITY; up++) {
                        if (app->prio_map & BIT(up))
                                break;
                }
                dcbcfg->app[i].priority = up;
+
                /* Get Selector from lower 2 bits, and convert to IEEE */
                selector = (app->upper_oui_sel & I40E_CEE_APP_SELECTOR_MASK);
-               if (selector == I40E_CEE_APP_SEL_ETHTYPE)
+               switch (selector) {
+               case I40E_CEE_APP_SEL_ETHTYPE:
                        dcbcfg->app[i].selector = I40E_APP_SEL_ETHTYPE;
-               else if (selector == I40E_CEE_APP_SEL_TCPIP)
+                       break;
+               case I40E_CEE_APP_SEL_TCPIP:
                        dcbcfg->app[i].selector = I40E_APP_SEL_TCPIP;
-               else
+                       break;
+               default:
                        /* Keep selector as it is for unknown types */
                        dcbcfg->app[i].selector = selector;
+               }
+
                dcbcfg->app[i].protocolid = I40E_NTOHS(app->protocol);
                /* Move to next app */
                offset += sizeof(*app);
@@ -822,13 +832,15 @@ enum i40e_status_code i40e_get_dcb_config(struct i40e_hw *hw)
        struct i40e_aqc_get_cee_dcb_cfg_resp cee_cfg;
        struct i40e_aqc_get_cee_dcb_cfg_v1_resp cee_v1_cfg;
 
-       /* If Firmware version < v4.33 IEEE only */
-       if (((hw->aq.fw_maj_ver == 4) && (hw->aq.fw_min_ver < 33)) ||
-           (hw->aq.fw_maj_ver < 4))
+       /* If Firmware version < v4.33 on X710/XL710, IEEE only */
+       if ((hw->mac.type == I40E_MAC_XL710) &&
+           (((hw->aq.fw_maj_ver == 4) && (hw->aq.fw_min_ver < 33)) ||
+             (hw->aq.fw_maj_ver < 4)))
                return i40e_get_ieee_dcb_config(hw);
 
-       /* If Firmware version == v4.33 use old CEE struct */
-       if ((hw->aq.fw_maj_ver == 4) && (hw->aq.fw_min_ver == 33)) {
+       /* If Firmware version == v4.33 on X710/XL710, use old CEE struct */
+       if ((hw->mac.type == I40E_MAC_XL710) &&
+           ((hw->aq.fw_maj_ver == 4) && (hw->aq.fw_min_ver == 33))) {
                ret = i40e_aq_get_cee_dcb_config(hw, &cee_v1_cfg,
                                                 sizeof(cee_v1_cfg), NULL);
                if (ret == I40E_SUCCESS) {
@@ -1240,14 +1252,12 @@ enum i40e_status_code i40e_dcb_config_to_lldp(u8 *lldpmib, u16 *miblen,
        u16 length, offset = 0, tlvid = I40E_TLV_ID_START;
        enum i40e_status_code ret = I40E_SUCCESS;
        struct i40e_lldp_org_tlv *tlv;
-       u16 type, typelength;
+       u16 typelength;
 
        tlv = (struct i40e_lldp_org_tlv *)lldpmib;
        while (1) {
                i40e_add_dcb_tlv(tlv, dcbcfg, tlvid++);
                typelength = I40E_NTOHS(tlv->typelength);
-               type = (u16)((typelength & I40E_LLDP_TLV_TYPE_MASK) >>
-                               I40E_LLDP_TLV_TYPE_SHIFT);
                length = (u16)((typelength & I40E_LLDP_TLV_LEN_MASK) >>
                                I40E_LLDP_TLV_LEN_SHIFT);
                if (length)
@@ -1266,6 +1276,67 @@ enum i40e_status_code i40e_dcb_config_to_lldp(u8 *lldpmib, u16 *miblen,
 }
 
 
+/**
+ * _i40e_read_lldp_cfg - generic read of LLDP Configuration data from NVM
+ * @hw: pointer to the HW structure
+ * @lldp_cfg: pointer to hold lldp configuration variables
+ * @module: address of the module pointer
+ * @word_offset: offset of LLDP configuration
+ *
+ * Reads the LLDP configuration data from NVM using passed addresses
+ **/
+static enum i40e_status_code _i40e_read_lldp_cfg(struct i40e_hw *hw,
+                                         struct i40e_lldp_variables *lldp_cfg,
+                                         u8 module, u32 word_offset)
+{
+       u32 address, offset = (2 * word_offset);
+       enum i40e_status_code ret;
+       u16 mem;
+
+       ret = i40e_acquire_nvm(hw, I40E_RESOURCE_READ);
+       if (ret != I40E_SUCCESS)
+               return ret;
+
+       ret = i40e_aq_read_nvm(hw, 0x0, module * 2, sizeof(mem), &mem, true,
+                              NULL);
+       i40e_release_nvm(hw);
+       if (ret != I40E_SUCCESS)
+               return ret;
+
+       /* Check if this pointer needs to be read in word size or 4K sector
+        * units.
+        */
+       if (mem & I40E_PTR_TYPE)
+               address = (0x7FFF & mem) * 4096;
+       else
+               address = (0x7FFF & mem) * 2;
+
+       ret = i40e_acquire_nvm(hw, I40E_RESOURCE_READ);
+       if (ret != I40E_SUCCESS)
+               goto err_lldp_cfg;
+
+       ret = i40e_aq_read_nvm(hw, module, offset, sizeof(mem), &mem, true,
+                              NULL);
+       i40e_release_nvm(hw);
+       if (ret != I40E_SUCCESS)
+               return ret;
+
+       offset = mem + word_offset;
+       offset *= 2;
+
+       ret = i40e_acquire_nvm(hw, I40E_RESOURCE_READ);
+       if (ret != I40E_SUCCESS)
+               goto err_lldp_cfg;
+
+       ret = i40e_aq_read_nvm(hw, 0, address + offset,
+                              sizeof(struct i40e_lldp_variables), lldp_cfg,
+                              true, NULL);
+       i40e_release_nvm(hw);
+
+err_lldp_cfg:
+       return ret;
+}
+
 /**
  * i40e_read_lldp_cfg - read LLDP Configuration data from NVM
  * @hw: pointer to the HW structure
@@ -1277,21 +1348,34 @@ enum i40e_status_code i40e_read_lldp_cfg(struct i40e_hw *hw,
                                         struct i40e_lldp_variables *lldp_cfg)
 {
        enum i40e_status_code ret = I40E_SUCCESS;
-       u32 offset = (2 * I40E_NVM_LLDP_CFG_PTR);
+       u32 mem;
 
        if (!lldp_cfg)
                return I40E_ERR_PARAM;
 
        ret = i40e_acquire_nvm(hw, I40E_RESOURCE_READ);
        if (ret != I40E_SUCCESS)
-               goto err_lldp_cfg;
+               return ret;
 
-       ret = i40e_aq_read_nvm(hw, I40E_SR_EMP_MODULE_PTR, offset,
-                              sizeof(struct i40e_lldp_variables),
-                              (u8 *)lldp_cfg,
-                              true, NULL);
+       ret = i40e_aq_read_nvm(hw, I40E_SR_NVM_CONTROL_WORD, 0, sizeof(mem),
+                              &mem, true, NULL);
        i40e_release_nvm(hw);
+       if (ret != I40E_SUCCESS)
+               return ret;
+
+       /* Read a bit that holds information whether we are running flat or
+        * structured NVM image. Flat image has LLDP configuration in shadow
+        * ram, so there is a need to pass different addresses for both cases.
+        */
+       if (mem & I40E_SR_NVM_MAP_STRUCTURE_TYPE) {
+               /* Flat NVM case */
+               ret = _i40e_read_lldp_cfg(hw, lldp_cfg, I40E_SR_EMP_MODULE_PTR,
+                                         I40E_SR_LLDP_CFG_PTR);
+       } else {
+               /* Good old structured NVM image */
+               ret = _i40e_read_lldp_cfg(hw, lldp_cfg, I40E_EMP_MODULE_PTR,
+                                         I40E_NVM_LLDP_CFG_PTR);
+       }
 
-err_lldp_cfg:
        return ret;
 }