From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) by dpdk.org (Postfix) with ESMTP id 656622904 for ; Thu, 25 Feb 2016 15:54:41 +0100 (CET) Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga104.fm.intel.com with ESMTP; 25 Feb 2016 06:54:41 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.22,498,1449561600"; d="scan'208";a="923767708" Received: from dpdk06.sh.intel.com ([10.239.128.225]) by fmsmga002.fm.intel.com with ESMTP; 25 Feb 2016 06:54:40 -0800 From: Jianfeng Tan To: dev@dpdk.org Date: Thu, 25 Feb 2016 15:53:51 +0800 Message-Id: <1456386842-112571-2-git-send-email-jianfeng.tan@intel.com> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1456386842-112571-1-git-send-email-jianfeng.tan@intel.com> References: <1451544799-70776-1-git-send-email-jianfeng.tan@intel.com> <1456386842-112571-1-git-send-email-jianfeng.tan@intel.com> Subject: [dpdk-dev] [PATCH v3 01/12] ethdev: add API to query packet type filling info X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 25 Feb 2016 14:54:42 -0000 Add a new API rte_eth_dev_get_ptype_info to query whether/what packet type can be filled by given pmd rx burst function. Signed-off-by: Jianfeng Tan --- lib/librte_ether/rte_ethdev.c | 32 ++++++++++++++++++++++++++++++++ lib/librte_ether/rte_ethdev.h | 23 +++++++++++++++++++++++ 2 files changed, 55 insertions(+) diff --git a/lib/librte_ether/rte_ethdev.c b/lib/librte_ether/rte_ethdev.c index 1257965..b52555b 100644 --- a/lib/librte_ether/rte_ethdev.c +++ b/lib/librte_ether/rte_ethdev.c @@ -1576,6 +1576,38 @@ rte_eth_dev_info_get(uint8_t port_id, struct rte_eth_dev_info *dev_info) dev_info->driver_name = dev->data->drv_name; } +int +rte_eth_dev_get_ptype_info(uint8_t port_id, uint32_t ptype_mask, + uint32_t **p_ptypes) +{ + int i, j, ret; + struct rte_eth_dev *dev; + const uint32_t *all_ptypes; + + RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV); + dev = &rte_eth_devices[port_id]; + RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_ptype_info_get, -ENOTSUP); + all_ptypes = (*dev->dev_ops->dev_ptype_info_get)(dev); + + if (!all_ptypes) + return 0; + + for (i = 0, ret = 0; all_ptypes[i] != RTE_PTYPE_UNKNOWN; ++i) + if (all_ptypes[i] & ptype_mask) + ret++; + if (ret == 0) + return 0; + + *p_ptypes = (uint32_t *)malloc(sizeof(uint32_t) * ret); + if (*p_ptypes == NULL) + return -ENOMEM; + + for (i = 0, j = 0; all_ptypes[i] != RTE_PTYPE_UNKNOWN; ++i) + if (all_ptypes[i] & ptype_mask) + *p_ptypes[j++] = all_ptypes[i]; + return ret; +} + void rte_eth_macaddr_get(uint8_t port_id, struct ether_addr *mac_addr) { diff --git a/lib/librte_ether/rte_ethdev.h b/lib/librte_ether/rte_ethdev.h index 16da821..341e2ff 100644 --- a/lib/librte_ether/rte_ethdev.h +++ b/lib/librte_ether/rte_ethdev.h @@ -1021,6 +1021,9 @@ typedef void (*eth_dev_infos_get_t)(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info); /**< @internal Get specific informations of an Ethernet device. */ +typedef const uint32_t *(*eth_dev_ptype_info_get_t)(struct rte_eth_dev *dev); +/**< @internal Get ptype info of eth_rx_burst_t. */ + typedef int (*eth_queue_start_t)(struct rte_eth_dev *dev, uint16_t queue_id); /**< @internal Start rx and tx of a queue of an Ethernet device. */ @@ -1347,6 +1350,7 @@ struct eth_dev_ops { eth_queue_stats_mapping_set_t queue_stats_mapping_set; /**< Configure per queue stat counter mapping. */ eth_dev_infos_get_t dev_infos_get; /**< Get device info. */ + eth_dev_ptype_info_get_t dev_ptype_info_get; /** Get ptype info */ mtu_set_t mtu_set; /**< Set MTU. */ vlan_filter_set_t vlan_filter_set; /**< Filter VLAN Setup. */ vlan_tpid_set_t vlan_tpid_set; /**< Outer VLAN TPID Setup. */ @@ -2268,6 +2272,25 @@ void rte_eth_macaddr_get(uint8_t port_id, struct ether_addr *mac_addr); void rte_eth_dev_info_get(uint8_t port_id, struct rte_eth_dev_info *dev_info); /** + * Retrieve the packet type information of an Ethernet device. + * + * @param port_id + * The port identifier of the Ethernet device. + * @param ptype_mask + * A hint of what kind of packet type which the caller is interested in. + * @param p_ptypes + * A pointer to store address of adequent packet types array. Caller to free. + * @return + * - (>0) Number of ptypes supported. Need caller to free the array. + * - (0 or -ENOTSUP) if PMD does not fill the specified ptype. + * - (-ENOMEM) if fail to malloc required memory to store ptypes. + * - (-ENODEV) if *port_id* invalid. + */ +extern int rte_eth_dev_get_ptype_info(uint8_t port_id, + uint32_t ptype_mask, + uint32_t **p_ptypes); + +/** * Retrieve the MTU of an Ethernet device. * * @param port_id -- 2.1.4