This patch adds ability to remove already loaded profile
or write profile without registering it

Signed-off-by: Andrey Chilikin <andrey.chili...@intel.com>
---
 drivers/net/i40e/rte_pmd_i40e.c |  165 ++++++++++++++++++++++++++++++++-------
 drivers/net/i40e/rte_pmd_i40e.h |    6 +-
 2 files changed, 141 insertions(+), 30 deletions(-)

diff --git a/drivers/net/i40e/rte_pmd_i40e.c b/drivers/net/i40e/rte_pmd_i40e.c
index f7ce62b..5ebd7cf 100644
--- a/drivers/net/i40e/rte_pmd_i40e.c
+++ b/drivers/net/i40e/rte_pmd_i40e.c
@@ -1523,6 +1523,9 @@ int rte_pmd_i40e_set_vf_vlan_filter(uint8_t port, 
uint16_t vlan_id,
 #define I40E_PROFILE_INFO_SIZE 48
 #define I40E_MAX_PROFILE_NUM 16
 
+#define I40E_DDP_TRACKID_INVALID 0xFFFFFFFF
+#define SECTION_TYPE_RB_MMIO 0x00001800
+
 /* Check if the profile info exists */
 static int
 i40e_check_profile_info(uint8_t port, uint8_t *profile_info_sec)
@@ -1557,11 +1560,7 @@ int rte_pmd_i40e_set_vf_vlan_filter(uint8_t port, 
uint16_t vlan_id,
                             sizeof(struct i40e_profile_section_header));
        for (i = 0; i < p_list->p_count; i++) {
                p = &p_list->p_info[i];
-               if ((pinfo->track_id == p->track_id) &&
-                   !memcmp(&pinfo->version, &p->version,
-                           sizeof(struct i40e_ddp_version)) &&
-                   !memcmp(&pinfo->name, &p->name,
-                           I40E_DDP_NAME_SIZE)) {
+               if (pinfo->track_id == p->track_id) {
                        PMD_DRV_LOG(INFO, "Profile exists.");
                        rte_free(buff);
                        return 1;
@@ -1572,6 +1571,88 @@ int rte_pmd_i40e_set_vf_vlan_filter(uint8_t port, 
uint16_t vlan_id,
        return 0;
 }
 
+/**
+ * i40e_rollback_profile
+ * @hw: pointer to the hardware structure
+ * @profile: pointer to the profile segment of the package to be removed
+ * @track_id: package tracking id
+ *
+ * Rolls back previously loaded package.
+ */
+static enum i40e_status_code
+i40e_rollback_profile(struct i40e_hw *hw, struct i40e_profile_segment *profile,
+                  u32 track_id)
+{
+       enum i40e_status_code status = I40E_SUCCESS;
+       struct i40e_section_table *sec_tbl;
+       struct i40e_profile_section_header *sec = NULL;
+       u32 dev_cnt;
+       u32 vendor_dev_id;
+       u32 *nvm;
+       u32 section_size = 0;
+       u32 offset = 0, info = 0;
+       u32 i, n;
+
+       if (track_id == I40E_DDP_TRACKID_INVALID) {
+               PMD_DRV_LOG(ERR, "Invalid track_id");
+               return I40E_NOT_SUPPORTED;
+       }
+
+       dev_cnt = profile->device_table_count;
+
+       for (i = 0; i < dev_cnt; i++) {
+               vendor_dev_id = profile->device_table[i].vendor_dev_id;
+               if ((vendor_dev_id >> 16) == I40E_INTEL_VENDOR_ID)
+                       if (hw->device_id == (vendor_dev_id & 0xFFFF))
+                               break;
+       }
+       if (dev_cnt && (i == dev_cnt)) {
+               PMD_DRV_LOG(ERR, "Device doesn't support DDP");
+               return I40E_ERR_DEVICE_NOT_SUPPORTED;
+       }
+
+       nvm = (u32 *)&profile->device_table[dev_cnt];
+       sec_tbl = (struct i40e_section_table *)&nvm[nvm[0] + 1];
+
+       for (i = 0; i < sec_tbl->section_count; i++) {
+               sec = (struct i40e_profile_section_header *)((u8 *)profile +
+                       sec_tbl->section_offset[i]);
+               if (sec->section.type == SECTION_TYPE_AQ) {
+                       PMD_DRV_LOG(ERR, "Rollback not supported for AQ 
sections");
+                       return I40E_NOT_SUPPORTED;
+               }
+               if (sec->section.type == SECTION_TYPE_MMIO) {
+                       PMD_DRV_LOG(ERR, "Not a roll-back package");
+                       return I40E_NOT_SUPPORTED;
+               }
+       }
+
+       for (i = 0; i < sec_tbl->section_count; i++) {
+               /* For rollback write sections in reverse */
+               n = sec_tbl->section_count - i - 1;
+               sec = (struct i40e_profile_section_header *)((u8 *)profile +
+                                            sec_tbl->section_offset[n]);
+
+               /* Skip any non-rollback sections */
+               if (sec->section.type != SECTION_TYPE_RB_MMIO)
+                       continue;
+
+               section_size = sec->section.size +
+                       sizeof(struct i40e_profile_section_header);
+
+               /* Write roll-back MMIO section */
+               status = i40e_aq_write_ddp(hw, (void *)sec, (u16)section_size,
+                                          track_id, &offset, &info, NULL);
+               if (status) {
+                       PMD_DRV_LOG(ERR,
+                                  "Failed to write profile: section %d, offset 
%d, info %d",
+                                  n, offset, info);
+                       break;
+               }
+       }
+       return status;
+}
+
 int
 rte_pmd_i40e_process_ddp_package(uint8_t port, uint8_t *buff,
                                 uint32_t size,
@@ -1587,6 +1668,13 @@ int rte_pmd_i40e_set_vf_vlan_filter(uint8_t port, 
uint16_t vlan_id,
        int is_exist;
        enum i40e_status_code status = I40E_SUCCESS;
 
+       if (op != RTE_PMD_I40E_PKG_OP_WR_ADD &&
+               op != RTE_PMD_I40E_PKG_OP_WR_ONLY &&
+               op != RTE_PMD_I40E_PKG_OP_WR_DEL) {
+               PMD_DRV_LOG(ERR, "Operation not supported.");
+               return -ENOTSUP;
+       }
+
        RTE_ETH_VALID_PORTID_OR_ERR_RET(port, -ENODEV);
 
        dev = &rte_eth_devices[port];
@@ -1623,6 +1711,10 @@ int rte_pmd_i40e_set_vf_vlan_filter(uint8_t port, 
uint16_t vlan_id,
                return -EINVAL;
        }
        track_id = ((struct i40e_metadata_segment *)metadata_seg_hdr)->track_id;
+       if (track_id == I40E_DDP_TRACKID_INVALID) {
+               PMD_DRV_LOG(ERR, "Invalid track_id");
+               return -EINVAL;
+       }
 
        /* Find profile segment */
        profile_seg_hdr = i40e_find_segment_in_package(SEGMENT_TYPE_I40E,
@@ -1642,40 +1734,55 @@ int rte_pmd_i40e_set_vf_vlan_filter(uint8_t port, 
uint16_t vlan_id,
                return -EINVAL;
        }
 
+       /* Check if the profile already loaded */
+       i40e_generate_profile_info_sec(
+               ((struct i40e_profile_segment *)profile_seg_hdr)->name,
+               &((struct i40e_profile_segment *)profile_seg_hdr)->version,
+               track_id, profile_info_sec,
+               op == RTE_PMD_I40E_PKG_OP_WR_ADD);
+       is_exist = i40e_check_profile_info(port, profile_info_sec);
+       if (is_exist < 0) {
+               PMD_DRV_LOG(ERR, "Failed to check profile.");
+               rte_free(profile_info_sec);
+               return -EINVAL;
+       }
+
        if (op == RTE_PMD_I40E_PKG_OP_WR_ADD) {
-               /* Check if the profile exists */
-               i40e_generate_profile_info_sec(
-                    ((struct i40e_profile_segment *)profile_seg_hdr)->name,
-                    &((struct i40e_profile_segment *)profile_seg_hdr)->version,
-                    track_id, profile_info_sec, 1);
-               is_exist = i40e_check_profile_info(port, profile_info_sec);
-               if (is_exist > 0) {
+               if (is_exist) {
                        PMD_DRV_LOG(ERR, "Profile already exists.");
                        rte_free(profile_info_sec);
-                       return 1;
-               } else if (is_exist < 0) {
-                       PMD_DRV_LOG(ERR, "Failed to check profile.");
+                       return -EEXIST;
+               }
+       } else if (op == RTE_PMD_I40E_PKG_OP_WR_DEL) {
+               if (!is_exist) {
+                       PMD_DRV_LOG(ERR, "Profile does not exist.");
                        rte_free(profile_info_sec);
-                       return -EINVAL;
+                       return -EACCES;
                }
+       }
 
-               /* Write profile to HW */
+       if (op == RTE_PMD_I40E_PKG_OP_WR_DEL)
+               status = i40e_rollback_profile(
+                       hw,
+                       (struct i40e_profile_segment *)profile_seg_hdr,
+                       track_id);
+       else
                status = i40e_write_profile(
-                               hw,
-                               (struct i40e_profile_segment *)profile_seg_hdr,
-                               track_id);
-               if (status) {
-                       PMD_DRV_LOG(ERR, "Failed to write profile.");
-                       rte_free(profile_info_sec);
-                       return status;
-               }
+                       hw,
+                       (struct i40e_profile_segment *)profile_seg_hdr,
+                       track_id);
+
+       if (status) {
+               PMD_DRV_LOG(ERR, "Failed to write profile.");
+               rte_free(profile_info_sec);
+               return status;
+       }
 
-               /* Add profile info to info list */
+       if (track_id && (op != RTE_PMD_I40E_PKG_OP_WR_ONLY)) {
+               /* Modify loaded profiles info list */
                status = i40e_add_rm_profile_info(hw, profile_info_sec);
                if (status)
-                       PMD_DRV_LOG(ERR, "Failed to add profile info.");
-       } else {
-               PMD_DRV_LOG(ERR, "Operation not supported.");
+                       PMD_DRV_LOG(ERR, "Failed to modify profile info list.");
        }
 
        rte_free(profile_info_sec);
diff --git a/drivers/net/i40e/rte_pmd_i40e.h b/drivers/net/i40e/rte_pmd_i40e.h
index 1efb2c4..46287cc 100644
--- a/drivers/net/i40e/rte_pmd_i40e.h
+++ b/drivers/net/i40e/rte_pmd_i40e.h
@@ -71,6 +71,8 @@ struct rte_pmd_i40e_mb_event_param {
 enum rte_pmd_i40e_package_op {
        RTE_PMD_I40E_PKG_OP_UNDEFINED = 0,
        RTE_PMD_I40E_PKG_OP_WR_ADD,   /**< load package and add to info list */
+       RTE_PMD_I40E_PKG_OP_WR_DEL, /** load package and delete from info list 
*/
+       RTE_PMD_I40E_PKG_OP_WR_ONLY, /**< load package without modifying info 
list */
        RTE_PMD_I40E_PKG_OP_MAX = 32
 };
 
@@ -492,7 +494,9 @@ int rte_pmd_i40e_set_vf_tc_max_bw(uint8_t port,
  *   - (0) if successful.
  *   - (-ENODEV) if *port* invalid.
  *   - (-EINVAL) if bad parameter.
- *   - (1) if profile exists.
+ *   - (-EEXIST) if profile exists.
+ *   - (-EACCES) if profile does not exist.
+ *   - (-ENOTSUP) if operation not supported.
  */
 int rte_pmd_i40e_process_ddp_package(uint8_t port, uint8_t *buff,
                                     uint32_t size,
-- 
1.7.0.7

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