From mboxrd@z Thu Jan 1 00:00:00 1970 From: Qi Zhang Subject: [PATCH v3 12/38] net/ice/base: add APIs to alloc/free resource counter Date: Mon, 11 Mar 2019 15:04:15 +0800 Message-ID: <20190311070441.5501-13-qi.z.zhang@intel.com> References: <20190228055650.25237-1-qi.z.zhang@intel.com> <20190311070441.5501-1-qi.z.zhang@intel.com> Cc: dev@dpdk.org, paul.m.stillwell.jr@intel.com, ferruh.yigit@intel.com, Qi Zhang To: wenzhuo.lu@intel.com, qiming.yang@intel.com Return-path: Received: from mga17.intel.com (mga17.intel.com [192.55.52.151]) by dpdk.org (Postfix) with ESMTP id 3AB4F5B1E for ; Mon, 11 Mar 2019 08:03:15 +0100 (CET) In-Reply-To: <20190311070441.5501-1-qi.z.zhang@intel.com> List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" 1. ice_alloc_res_cntr - allocate resource counter 2. ice_free_res_cntr - free resource counter 3. ice_alloc_vlan_res_counter - allocate vlan resource counter 4. ice_free_vlan_res_counter - free vlan resource counter These APIs will be used when try to count the number of a flow be hitted. Signed-off-by: Paul M Stillwell Jr Signed-off-by: Qi Zhang --- drivers/net/ice/base/ice_switch.c | 97 +++++++++++++++++++++++++++++++++++++++ drivers/net/ice/base/ice_switch.h | 6 +++ 2 files changed, 103 insertions(+) diff --git a/drivers/net/ice/base/ice_switch.c b/drivers/net/ice/base/ice_switch.c index c985c1e31..26fc0b46b 100644 --- a/drivers/net/ice/base/ice_switch.c +++ b/drivers/net/ice/base/ice_switch.c @@ -3238,9 +3238,106 @@ void ice_remove_vsi_fltr(struct ice_hw *hw, u16 vsi_handle) ice_remove_vsi_lkup_fltr(hw, vsi_handle, ICE_SW_LKUP_PROMISC_VLAN); } +/** + * ice_alloc_res_cntr - allocating resource counter + * @hw: pointer to the hardware structure + * @type: type of resource + * @alloc_shared: if set it is shared else dedicated + * @num_items: number of entries requested for FD resource type + * @counter_id: counter index returned by AQ call + */ +enum ice_status +ice_alloc_res_cntr(struct ice_hw *hw, u8 type, u8 alloc_shared, u16 num_items, + u16 *counter_id) +{ + struct ice_aqc_alloc_free_res_elem *buf; + enum ice_status status; + u16 buf_len; + + /* Allocate resource */ + buf_len = sizeof(*buf); + buf = (struct ice_aqc_alloc_free_res_elem *) + ice_malloc(hw, buf_len); + if (!buf) + return ICE_ERR_NO_MEMORY; + + buf->num_elems = CPU_TO_LE16(num_items); + buf->res_type = CPU_TO_LE16(((type << ICE_AQC_RES_TYPE_S) & + ICE_AQC_RES_TYPE_M) | alloc_shared); + + status = ice_aq_alloc_free_res(hw, 1, buf, buf_len, + ice_aqc_opc_alloc_res, NULL); + if (status) + goto exit; + + *counter_id = LE16_TO_CPU(buf->elem[0].e.sw_resp); + +exit: + ice_free(hw, buf); + return status; +} + +/** + * ice_free_res_cntr - free resource counter + * @hw: pointer to the hardware structure + * @type: type of resource + * @alloc_shared: if set it is shared else dedicated + * @num_items: number of entries to be freed for FD resource type + * @counter_id: counter ID resource which needs to be freed + */ +enum ice_status +ice_free_res_cntr(struct ice_hw *hw, u8 type, u8 alloc_shared, u16 num_items, + u16 counter_id) +{ + struct ice_aqc_alloc_free_res_elem *buf; + enum ice_status status; + u16 buf_len; + /* Free resource */ + buf_len = sizeof(*buf); + buf = (struct ice_aqc_alloc_free_res_elem *) + ice_malloc(hw, buf_len); + if (!buf) + return ICE_ERR_NO_MEMORY; + buf->num_elems = CPU_TO_LE16(num_items); + buf->res_type = CPU_TO_LE16(((type << ICE_AQC_RES_TYPE_S) & + ICE_AQC_RES_TYPE_M) | alloc_shared); + buf->elem[0].e.sw_resp = CPU_TO_LE16(counter_id); + status = ice_aq_alloc_free_res(hw, 1, buf, buf_len, + ice_aqc_opc_free_res, NULL); + if (status) + ice_debug(hw, ICE_DBG_SW, + "counter resource could not be freed\n"); + + ice_free(hw, buf); + return status; +} + +/** + * ice_alloc_vlan_res_counter - obtain counter resource for VLAN type + * @hw: pointer to the hardware structure + * @counter_id: returns counter index + */ +enum ice_status ice_alloc_vlan_res_counter(struct ice_hw *hw, u16 *counter_id) +{ + return ice_alloc_res_cntr(hw, ICE_AQC_RES_TYPE_VLAN_COUNTER, + ICE_AQC_RES_TYPE_FLAG_DEDICATED, 1, + counter_id); +} + +/** + * ice_free_vlan_res_counter - Free counter resource for VLAN type + * @hw: pointer to the hardware structure + * @counter_id: counter index to be freed + */ +enum ice_status ice_free_vlan_res_counter(struct ice_hw *hw, u16 counter_id) +{ + return ice_free_res_cntr(hw, ICE_AQC_RES_TYPE_VLAN_COUNTER, + ICE_AQC_RES_TYPE_FLAG_DEDICATED, 1, + counter_id); +} /** * ice_replay_vsi_fltr - Replay filters for requested VSI diff --git a/drivers/net/ice/base/ice_switch.h b/drivers/net/ice/base/ice_switch.h index 4b77d920f..364083eb4 100644 --- a/drivers/net/ice/base/ice_switch.h +++ b/drivers/net/ice/base/ice_switch.h @@ -338,6 +338,12 @@ enum ice_status ice_alloc_vlan_res_counter(struct ice_hw *hw, u16 *counter_id); enum ice_status ice_free_vlan_res_counter(struct ice_hw *hw, u16 counter_id); +enum ice_status +ice_alloc_res_cntr(struct ice_hw *hw, u8 type, u8 alloc_shared, u16 num_items, + u16 *counter_id); +enum ice_status +ice_free_res_cntr(struct ice_hw *hw, u8 type, u8 alloc_shared, u16 num_items, + u16 counter_id); /* Switch/bridge related commands */ enum ice_status ice_update_sw_rule_bridge_mode(struct ice_hw *hw); -- 2.13.6