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authorQi Zhang <qi.z.zhang@intel.com>2019-03-25 13:44:29 +0800
committerFerruh Yigit <ferruh.yigit@intel.com>2019-03-29 17:25:31 +0100
commite1494d05b214a8915942633efe69a8db9f314636 (patch)
tree028e7175eb3ff65d60cd5aba9d20c0cd8d351b0b /drivers
parent02acdce2f5533b51c80e2628e5517d6ef7dbf48b (diff)
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net/ice/base: add helper functions for flow management
1. ice_rem_all_sw_rules_info - remove all switch rules. 2. ice_reply_all_fltr - replay all filters stored in book keeping list. These APIs will be used when switch rule feature is enabled. Signed-off-by: Paul M Stillwell Jr <paul.m.stillwell.jr@intel.com> Signed-off-by: Qi Zhang <qi.z.zhang@intel.com> Reviewed-by: Qiming Yang <qiming.yang@intel.com> Reviewed-by: Wenzhuo Lu <wenzhuo.lu@intel.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/ice/base/ice_switch.c107
-rw-r--r--drivers/net/ice/base/ice_switch.h2
2 files changed, 109 insertions, 0 deletions
diff --git a/drivers/net/ice/base/ice_switch.c b/drivers/net/ice/base/ice_switch.c
index bfcb33e..a0c39b5 100644
--- a/drivers/net/ice/base/ice_switch.c
+++ b/drivers/net/ice/base/ice_switch.c
@@ -2667,6 +2667,23 @@ ice_rem_sw_rule_info(struct ice_hw *hw, struct LIST_HEAD_TYPE *rule_head)
}
+/**
+ * ice_rem_all_sw_rules_info
+ * @hw: pointer to the hardware structure
+ */
+void ice_rem_all_sw_rules_info(struct ice_hw *hw)
+{
+ struct ice_switch_info *sw = hw->switch_info;
+ u8 i;
+
+ for (i = 0; i < ICE_MAX_NUM_RECIPES; i++) {
+ struct LIST_HEAD_TYPE *rule_head;
+
+ rule_head = &sw->recp_list[i].filt_rules;
+ if (!sw->recp_list[i].adv_rule)
+ ice_rem_sw_rule_info(hw, rule_head);
+ }
+}
/**
* ice_cfg_dflt_vsi - change state of VSI to set/clear default
@@ -3747,6 +3764,96 @@ exit_error:
}
/**
+ * ice_replay_fltr - Replay all the filters stored by a specific list head
+ * @hw: pointer to the hardware structure
+ * @list_head: list for which filters needs to be replayed
+ * @recp_id: Recipe ID for which rules need to be replayed
+ */
+static enum ice_status
+ice_replay_fltr(struct ice_hw *hw, u8 recp_id, struct LIST_HEAD_TYPE *list_head)
+{
+ struct ice_fltr_mgmt_list_entry *itr;
+ struct LIST_HEAD_TYPE l_head;
+ enum ice_status status = ICE_SUCCESS;
+
+ if (LIST_EMPTY(list_head))
+ return status;
+
+ /* Move entries from the given list_head to a temporary l_head so that
+ * they can be replayed. Otherwise when trying to re-add the same
+ * filter, the function will return already exists
+ */
+ LIST_REPLACE_INIT(list_head, &l_head);
+
+ /* Mark the given list_head empty by reinitializing it so filters
+ * could be added again by *handler
+ */
+ LIST_FOR_EACH_ENTRY(itr, &l_head, ice_fltr_mgmt_list_entry,
+ list_entry) {
+ struct ice_fltr_list_entry f_entry;
+
+ f_entry.fltr_info = itr->fltr_info;
+ if (itr->vsi_count < 2 && recp_id != ICE_SW_LKUP_VLAN) {
+ status = ice_add_rule_internal(hw, recp_id, &f_entry);
+ if (status != ICE_SUCCESS)
+ goto end;
+ continue;
+ }
+
+ /* Add a filter per VSI separately */
+ while (1) {
+ u16 vsi_handle;
+
+ vsi_handle =
+ ice_find_first_bit(itr->vsi_list_info->vsi_map,
+ ICE_MAX_VSI);
+ if (!ice_is_vsi_valid(hw, vsi_handle))
+ break;
+
+ ice_clear_bit(vsi_handle, itr->vsi_list_info->vsi_map);
+ f_entry.fltr_info.vsi_handle = vsi_handle;
+ f_entry.fltr_info.fwd_id.hw_vsi_id =
+ ice_get_hw_vsi_num(hw, vsi_handle);
+ f_entry.fltr_info.fltr_act = ICE_FWD_TO_VSI;
+ if (recp_id == ICE_SW_LKUP_VLAN)
+ status = ice_add_vlan_internal(hw, &f_entry);
+ else
+ status = ice_add_rule_internal(hw, recp_id,
+ &f_entry);
+ if (status != ICE_SUCCESS)
+ goto end;
+ }
+ }
+end:
+ /* Clear the filter management list */
+ ice_rem_sw_rule_info(hw, &l_head);
+ return status;
+}
+
+/**
+ * ice_replay_all_fltr - replay all filters stored in bookkeeping lists
+ * @hw: pointer to the hardware structure
+ *
+ * NOTE: This function does not clean up partially added filters on error.
+ * It is up to caller of the function to issue a reset or fail early.
+ */
+enum ice_status ice_replay_all_fltr(struct ice_hw *hw)
+{
+ struct ice_switch_info *sw = hw->switch_info;
+ enum ice_status status = ICE_SUCCESS;
+ u8 i;
+
+ for (i = 0; i < ICE_MAX_NUM_RECIPES; i++) {
+ struct LIST_HEAD_TYPE *head = &sw->recp_list[i].filt_rules;
+
+ status = ice_replay_fltr(hw, i, head);
+ if (status != ICE_SUCCESS)
+ return status;
+ }
+ return status;
+}
+
+/**
* ice_replay_vsi_fltr - Replay filters for requested VSI
* @hw: pointer to the hardware structure
* @vsi_handle: driver VSI handle
diff --git a/drivers/net/ice/base/ice_switch.h b/drivers/net/ice/base/ice_switch.h
index b396a48..3cc2c10 100644
--- a/drivers/net/ice/base/ice_switch.h
+++ b/drivers/net/ice/base/ice_switch.h
@@ -362,6 +362,7 @@ ice_aq_get_res_descs(struct ice_hw *hw, u16 num_entries,
struct ice_sq_cd *cd);
enum ice_status
ice_add_vlan(struct ice_hw *hw, struct LIST_HEAD_TYPE *m_list);
+void ice_rem_all_sw_rules_info(struct ice_hw *hw);
enum ice_status ice_add_mac(struct ice_hw *hw, struct LIST_HEAD_TYPE *m_lst);
enum ice_status ice_remove_mac(struct ice_hw *hw, struct LIST_HEAD_TYPE *m_lst);
enum ice_status
@@ -409,6 +410,7 @@ ice_get_vsi_vlan_promisc(struct ice_hw *hw, u16 vsi_handle, u8 *promisc_mask,
+enum ice_status ice_replay_all_fltr(struct ice_hw *hw);
enum ice_status ice_init_def_sw_recp(struct ice_hw *hw);
u16 ice_get_hw_vsi_num(struct ice_hw *hw, u16 vsi_handle);