Should be not possible to load conflicting DDP profiles.
Only DDP profiles of the same group (not 0) can be loaded
together;
If DDP profile group is 0, it is exclusive, i.e. it cannot
be loaded with any other DDP profile;
If DDP profile groups are different - these profiles cannot
be loaded together;

Fixes: b319712f53c8 ("net/i40e: extended list of operations for DDP processing")

v3: prevent registration of read-only profiles with profile list

Signed-off-by: Kirill Rybalchenko <kirill.rybalche...@intel.com>
---
 drivers/net/i40e/rte_pmd_i40e.c | 40 ++++++++++++++++++++++++++++++++++++----
 1 file changed, 36 insertions(+), 4 deletions(-)

diff --git a/drivers/net/i40e/rte_pmd_i40e.c b/drivers/net/i40e/rte_pmd_i40e.c
index 5436db4..dae59e6 100644
--- a/drivers/net/i40e/rte_pmd_i40e.c
+++ b/drivers/net/i40e/rte_pmd_i40e.c
@@ -1496,7 +1496,14 @@ i40e_check_profile_info(uint16_t port, uint8_t 
*profile_info_sec)
        struct rte_pmd_i40e_profile_info *pinfo, *p;
        uint32_t i;
        int ret;
+       static const uint32_t group_mask = 0x00ff0000;
 
+       pinfo = (struct rte_pmd_i40e_profile_info *)(profile_info_sec +
+                            sizeof(struct i40e_profile_section_header));
+       if (pinfo->track_id == 0) {
+               PMD_DRV_LOG(INFO, "Read-only profile.");
+               return 0;
+       }
        buff = rte_zmalloc("pinfo_list",
                           (I40E_PROFILE_INFO_SIZE * I40E_MAX_PROFILE_NUM + 4),
                           0);
@@ -1515,8 +1522,6 @@ i40e_check_profile_info(uint16_t port, uint8_t 
*profile_info_sec)
                return -1;
        }
        p_list = (struct rte_pmd_i40e_profile_list *)buff;
-       pinfo = (struct rte_pmd_i40e_profile_info *)(profile_info_sec +
-                            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) {
@@ -1525,6 +1530,23 @@ i40e_check_profile_info(uint16_t port, uint8_t 
*profile_info_sec)
                        return 1;
                }
        }
+       for (i = 0; i < p_list->p_count; i++) {
+               p = &p_list->p_info[i];
+               if ((p->track_id & group_mask) == 0) {
+                       PMD_DRV_LOG(INFO, "Profile of the group 0 exists.");
+                       rte_free(buff);
+                       return 2;
+               }
+       }
+       for (i = 0; i < p_list->p_count; i++) {
+               p = &p_list->p_info[i];
+               if ((pinfo->track_id & group_mask) !=
+                   (p->track_id & group_mask)) {
+                       PMD_DRV_LOG(INFO, "Profile of different group exists.");
+                       rte_free(buff);
+                       return 3;
+               }
+       }
 
        rte_free(buff);
        return 0;
@@ -1544,6 +1566,7 @@ rte_pmd_i40e_process_ddp_package(uint16_t port, uint8_t 
*buff,
        uint8_t *profile_info_sec;
        int is_exist;
        enum i40e_status_code status = I40E_SUCCESS;
+       static const uint32_t type_mask = 0xff000000;
 
        if (op != RTE_PMD_I40E_PKG_OP_WR_ADD &&
                op != RTE_PMD_I40E_PKG_OP_WR_ONLY &&
@@ -1595,6 +1618,10 @@ rte_pmd_i40e_process_ddp_package(uint16_t port, uint8_t 
*buff,
                return -EINVAL;
        }
 
+       /* force read-only track_id for type 0 */
+       if ((track_id & type_mask) == 0)
+               track_id = 0;
+
        /* Find profile segment */
        profile_seg_hdr = i40e_find_segment_in_package(SEGMENT_TYPE_I40E,
                                                       pkg_hdr);
@@ -1628,12 +1655,17 @@ rte_pmd_i40e_process_ddp_package(uint16_t port, uint8_t 
*buff,
 
        if (op == RTE_PMD_I40E_PKG_OP_WR_ADD) {
                if (is_exist) {
-                       PMD_DRV_LOG(ERR, "Profile already exists.");
+                       if (is_exist == 1)
+                               PMD_DRV_LOG(ERR, "Profile already exists.");
+                       else if (is_exist == 2)
+                               PMD_DRV_LOG(ERR, "Profile of group 0 already 
exists.");
+                       else if (is_exist == 3)
+                               PMD_DRV_LOG(ERR, "Profile of different group 
already exists");
                        rte_free(profile_info_sec);
                        return -EEXIST;
                }
        } else if (op == RTE_PMD_I40E_PKG_OP_WR_DEL) {
-               if (!is_exist) {
+               if (is_exist != 1) {
                        PMD_DRV_LOG(ERR, "Profile does not exist.");
                        rte_free(profile_info_sec);
                        return -EACCES;
-- 
2.5.5

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