+
+ if (pf->fdir.mz) {
+ err = rte_memzone_free(pf->fdir.mz);
+ pf->fdir.mz = NULL;
+ if (err)
+ PMD_DRV_LOG(ERR, "Failed to free FDIR memezone.");
+ }
+}
+
+static int
+ice_fdir_cur_prof_conflict(struct ice_pf *pf,
+ enum ice_fltr_ptype ptype,
+ struct ice_flow_seg_info *seg,
+ bool is_tunnel)
+{
+ struct ice_hw *hw = ICE_PF_TO_HW(pf);
+ struct ice_flow_seg_info *ori_seg;
+ struct ice_fd_hw_prof *hw_prof;
+
+ hw_prof = hw->fdir_prof[ptype];
+ ori_seg = hw_prof->fdir_seg[is_tunnel];
+
+ /* profile does not exist */
+ if (!ori_seg)
+ return 0;
+
+ /* if no input set conflict, return -EEXIST */
+ if ((!is_tunnel && !memcmp(ori_seg, seg, sizeof(*seg))) ||
+ (is_tunnel && !memcmp(&ori_seg[1], &seg[1], sizeof(*seg)))) {
+ PMD_DRV_LOG(DEBUG, "Profile already exists for flow type %d.",
+ ptype);
+ return -EEXIST;
+ }
+
+ /* a rule with input set conflict already exist, so give up */
+ if (pf->fdir_fltr_cnt[ptype][is_tunnel]) {
+ PMD_DRV_LOG(DEBUG, "Failed to create profile for flow type %d due to conflict with existing rule.",
+ ptype);
+ return -EINVAL;
+ }
+
+ /* it's safe to delete an empty profile */
+ ice_fdir_prof_rm(pf, ptype, is_tunnel);
+ return 0;
+}
+
+static bool
+ice_fdir_prof_resolve_conflict(struct ice_pf *pf,
+ enum ice_fltr_ptype ptype,
+ bool is_tunnel)
+{
+ struct ice_hw *hw = ICE_PF_TO_HW(pf);
+ struct ice_fd_hw_prof *hw_prof;
+ struct ice_flow_seg_info *seg;
+
+ hw_prof = hw->fdir_prof[ptype];
+ seg = hw_prof->fdir_seg[is_tunnel];
+
+ /* profile does not exist */
+ if (!seg)
+ return true;
+
+ /* profile exists and rule exists, fail to resolve the conflict */
+ if (pf->fdir_fltr_cnt[ptype][is_tunnel] != 0)
+ return false;
+
+ /* it's safe to delete an empty profile */
+ ice_fdir_prof_rm(pf, ptype, is_tunnel);
+
+ return true;
+}
+
+static int
+ice_fdir_cross_prof_conflict(struct ice_pf *pf,
+ enum ice_fltr_ptype ptype,
+ bool is_tunnel)
+{
+ enum ice_fltr_ptype cflct_ptype;
+
+ switch (ptype) {
+ /* IPv4 */
+ case ICE_FLTR_PTYPE_NONF_IPV4_UDP:
+ case ICE_FLTR_PTYPE_NONF_IPV4_TCP:
+ case ICE_FLTR_PTYPE_NONF_IPV4_SCTP:
+ cflct_ptype = ICE_FLTR_PTYPE_NONF_IPV4_OTHER;
+ if (!ice_fdir_prof_resolve_conflict
+ (pf, cflct_ptype, is_tunnel))
+ goto err;
+ break;
+ case ICE_FLTR_PTYPE_NONF_IPV4_OTHER:
+ cflct_ptype = ICE_FLTR_PTYPE_NONF_IPV4_UDP;
+ if (!ice_fdir_prof_resolve_conflict
+ (pf, cflct_ptype, is_tunnel))
+ goto err;
+ cflct_ptype = ICE_FLTR_PTYPE_NONF_IPV4_TCP;
+ if (!ice_fdir_prof_resolve_conflict
+ (pf, cflct_ptype, is_tunnel))
+ goto err;
+ cflct_ptype = ICE_FLTR_PTYPE_NONF_IPV4_SCTP;
+ if (!ice_fdir_prof_resolve_conflict
+ (pf, cflct_ptype, is_tunnel))
+ goto err;
+ break;
+ /* IPv4 GTPU */
+ case ICE_FLTR_PTYPE_NONF_IPV4_GTPU_IPV4_UDP:
+ case ICE_FLTR_PTYPE_NONF_IPV4_GTPU_IPV4_TCP:
+ case ICE_FLTR_PTYPE_NONF_IPV4_GTPU_IPV4_ICMP:
+ cflct_ptype = ICE_FLTR_PTYPE_NONF_IPV4_GTPU_IPV4_OTHER;
+ if (!ice_fdir_prof_resolve_conflict
+ (pf, cflct_ptype, is_tunnel))
+ goto err;
+ break;
+ case ICE_FLTR_PTYPE_NONF_IPV4_GTPU_IPV4_OTHER:
+ cflct_ptype = ICE_FLTR_PTYPE_NONF_IPV4_GTPU_IPV4_OTHER;
+ if (!ice_fdir_prof_resolve_conflict
+ (pf, cflct_ptype, is_tunnel))
+ goto err;
+ cflct_ptype = ICE_FLTR_PTYPE_NONF_IPV4_GTPU_IPV4_OTHER;
+ if (!ice_fdir_prof_resolve_conflict
+ (pf, cflct_ptype, is_tunnel))
+ goto err;
+ cflct_ptype = ICE_FLTR_PTYPE_NONF_IPV4_GTPU_IPV4_OTHER;
+ if (!ice_fdir_prof_resolve_conflict
+ (pf, cflct_ptype, is_tunnel))
+ goto err;
+ break;
+ /* IPv6 */
+ case ICE_FLTR_PTYPE_NONF_IPV6_UDP:
+ case ICE_FLTR_PTYPE_NONF_IPV6_TCP:
+ case ICE_FLTR_PTYPE_NONF_IPV6_SCTP:
+ cflct_ptype = ICE_FLTR_PTYPE_NONF_IPV6_OTHER;
+ if (!ice_fdir_prof_resolve_conflict
+ (pf, cflct_ptype, is_tunnel))
+ goto err;
+ break;
+ case ICE_FLTR_PTYPE_NONF_IPV6_OTHER:
+ cflct_ptype = ICE_FLTR_PTYPE_NONF_IPV6_UDP;
+ if (!ice_fdir_prof_resolve_conflict
+ (pf, cflct_ptype, is_tunnel))
+ goto err;
+ cflct_ptype = ICE_FLTR_PTYPE_NONF_IPV6_TCP;
+ if (!ice_fdir_prof_resolve_conflict
+ (pf, cflct_ptype, is_tunnel))
+ goto err;
+ cflct_ptype = ICE_FLTR_PTYPE_NONF_IPV6_SCTP;
+ if (!ice_fdir_prof_resolve_conflict
+ (pf, cflct_ptype, is_tunnel))
+ goto err;
+ break;
+ default:
+ break;
+ }
+ return 0;
+err:
+ PMD_DRV_LOG(DEBUG, "Failed to create profile for flow type %d due to conflict with existing rule of flow type %d.",
+ ptype, cflct_ptype);
+ return -EINVAL;