From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jianfeng Tan Subject: [PATCH v6 01/11] ethdev: add API to query packet type filling info Date: Tue, 1 Mar 2016 04:30:18 +0800 Message-ID: <1456777828-37352-2-git-send-email-jianfeng.tan@intel.com> References: <1451544799-70776-1-git-send-email-jianfeng.tan@intel.com> <1456777828-37352-1-git-send-email-jianfeng.tan@intel.com> To: dev@dpdk.org Return-path: Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by dpdk.org (Postfix) with ESMTP id D2E6695D6 for ; Tue, 1 Mar 2016 04:31:06 +0100 (CET) In-Reply-To: <1456777828-37352-1-git-send-email-jianfeng.tan@intel.com> List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" 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 | 26 ++++++++++++++++++++++++++ lib/librte_ether/rte_ethdev.h | 24 ++++++++++++++++++++++++ lib/librte_ether/rte_ether_version.map | 7 +++++++ 3 files changed, 57 insertions(+) diff --git a/lib/librte_ether/rte_ethdev.c b/lib/librte_ether/rte_ethdev.c index 1257965..66dc7c5 100644 --- a/lib/librte_ether/rte_ethdev.c +++ b/lib/librte_ether/rte_ethdev.c @@ -1576,6 +1576,32 @@ 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 *ptypes, int num) +{ + int i, j; + 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, j = 0; all_ptypes[i] != RTE_PTYPE_UNKNOWN; ++i) + if (all_ptypes[i] & ptype_mask) { + if (j < num) + ptypes[j] = all_ptypes[i]; + j++; + } + + return j; +} + 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..75261ca 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 +2272,26 @@ 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 ptypes + * An array pointer to store adequent packet types, allocated by caller. + * @param num + * Size of the array pointed by param ptypes. + * @return + * - (>0) Number of ptypes supported. If it exceeds param num, exceeding + * packet types will not be filled in the given array. + * - (0 or -ENOTSUP) if PMD does not fill the specified ptype. + * - (-ENODEV) if *port_id* invalid. + */ +int rte_eth_dev_get_ptype_info(uint8_t port_id, uint32_t ptype_mask, + uint32_t *ptypes, int num); + +/** * Retrieve the MTU of an Ethernet device. * * @param port_id diff --git a/lib/librte_ether/rte_ether_version.map b/lib/librte_ether/rte_ether_version.map index d8db24d..3d2c4b6 100644 --- a/lib/librte_ether/rte_ether_version.map +++ b/lib/librte_ether/rte_ether_version.map @@ -117,3 +117,10 @@ DPDK_2.2 { local: *; }; +DPDK_2.3 { + global: + + rte_eth_dev_get_ptype_info; + + local: *; +}; -- 2.1.4