From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by dpdk.org (Postfix) with ESMTP id E1D6FA6A for ; Tue, 17 May 2016 18:37:14 +0200 (CEST) Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by fmsmga101.fm.intel.com with ESMTP; 17 May 2016 09:37:14 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.26,324,1459839600"; d="scan'208";a="704534785" Received: from irvmail001.ir.intel.com ([163.33.26.43]) by FMSMGA003.fm.intel.com with ESMTP; 17 May 2016 09:37:13 -0700 Received: from sivswdev02.ir.intel.com (sivswdev02.ir.intel.com [10.237.217.46]) by irvmail001.ir.intel.com (8.14.3/8.13.6/MailSET/Hub) with ESMTP id u4HGbC9b023061; Tue, 17 May 2016 17:37:12 +0100 Received: from sivswdev02.ir.intel.com (localhost [127.0.0.1]) by sivswdev02.ir.intel.com with ESMTP id u4HGbCEd010378; Tue, 17 May 2016 17:37:12 +0100 Received: (from reshmapa@localhost) by sivswdev02.ir.intel.com with id u4HGbC75010374; Tue, 17 May 2016 17:37:12 +0100 From: Reshma Pattan To: dev@dpdk.org Cc: Reshma Pattan Date: Tue, 17 May 2016 17:37:04 +0100 Message-Id: <1463503030-10318-3-git-send-email-reshma.pattan@intel.com> X-Mailer: git-send-email 1.7.4.1 In-Reply-To: <1463503030-10318-1-git-send-email-reshma.pattan@intel.com> References: <1462873202-3314-1-git-send-email-reshma.pattan@intel.com> <1463503030-10318-1-git-send-email-reshma.pattan@intel.com> Subject: [dpdk-dev] [PATCH v3 2/8] librte_ether: add new api rte_eth_add_first_rx_callback 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: Tue, 17 May 2016 16:37:15 -0000 Added new public api rte_eth_add_first_rx_callback to add given callback as head of list. Signed-off-by: Reshma Pattan --- lib/librte_ether/rte_ethdev.c | 35 ++++++++++++++++++++++++++++++++++ lib/librte_ether/rte_ethdev.h | 27 ++++++++++++++++++++++++++ lib/librte_ether/rte_ether_version.map | 6 ++++++ 3 files changed, 68 insertions(+) diff --git a/lib/librte_ether/rte_ethdev.c b/lib/librte_ether/rte_ethdev.c index cf25d8a..6331759 100644 --- a/lib/librte_ether/rte_ethdev.c +++ b/lib/librte_ether/rte_ethdev.c @@ -2959,6 +2959,41 @@ rte_eth_add_rx_callback(uint8_t port_id, uint16_t queue_id, } void * +rte_eth_add_first_rx_callback(uint8_t port_id, uint16_t queue_id, + rte_rx_callback_fn fn, void *user_param) +{ +#ifndef RTE_ETHDEV_RXTX_CALLBACKS + rte_errno = ENOTSUP; + return NULL; +#endif + /* check input parameters */ + if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL || + queue_id >= rte_eth_devices[port_id].data->nb_rx_queues) { + rte_errno = EINVAL; + return NULL; + } + + struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0); + + if (cb == NULL) { + rte_errno = ENOMEM; + return NULL; + } + + cb->fn.rx = fn; + cb->param = user_param; + + rte_spinlock_lock(&rte_eth_rx_cb_lock); + /* Add the callbacks at fisrt position*/ + cb->next = rte_eth_devices[port_id].post_rx_burst_cbs[queue_id]; + rte_smp_wmb(); + rte_eth_devices[port_id].post_rx_burst_cbs[queue_id] = cb; + rte_spinlock_unlock(&rte_eth_rx_cb_lock); + + return cb; +} + +void * rte_eth_add_tx_callback(uint8_t port_id, uint16_t queue_id, rte_tx_callback_fn fn, void *user_param) { diff --git a/lib/librte_ether/rte_ethdev.h b/lib/librte_ether/rte_ethdev.h index 2757510..92b07a9 100644 --- a/lib/librte_ether/rte_ethdev.h +++ b/lib/librte_ether/rte_ethdev.h @@ -3825,6 +3825,33 @@ int rte_eth_dev_get_dcb_info(uint8_t port_id, void *rte_eth_add_rx_callback(uint8_t port_id, uint16_t queue_id, rte_rx_callback_fn fn, void *user_param); +/* +* Add a callback that must be called first on packet RX on a given port and queue. +* +* This API configures a first function to be called for each burst of +* packets received on a given NIC port queue. The return value is a pointer +* that can be used to later remove the callback using +* rte_eth_remove_rx_callback(). +* +* Multiple functions are called in the order that they are added. +* +* @param port_id +* The port identifier of the Ethernet device. +* @param queue_id +* The queue on the Ethernet device on which the callback is to be added. +* @param fn +* The callback function +* @param user_param +* A generic pointer parameter which will be passed to each invocation of the +* callback function on this port and queue. +* +* @return +* NULL on error. +* On success, a pointer value which can later be used to remove the callback. +*/ +void *rte_eth_add_first_rx_callback(uint8_t port_id, uint16_t queue_id, + rte_rx_callback_fn fn, void *user_param); + /** * Add a callback to be called on packet TX on a given port and queue. * diff --git a/lib/librte_ether/rte_ether_version.map b/lib/librte_ether/rte_ether_version.map index 214ecc7..c990b04 100644 --- a/lib/librte_ether/rte_ether_version.map +++ b/lib/librte_ether/rte_ether_version.map @@ -132,3 +132,9 @@ DPDK_16.04 { rte_eth_tx_buffer_set_err_callback; } DPDK_2.2; + +DPDK_16.07 { + global: + + rte_eth_add_first_rx_callback; +} DPDK_16.04; -- 2.5.0