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From: Reshma Pattan <reshma.pattan@intel.com>
To: dev@dpdk.org
Cc: Reshma Pattan <reshma.pattan@intel.com>
Subject: [dpdk-dev] [PATCH v9 2/8] ethdev: add new api to add Rx callback as head of the list
Date: Tue, 14 Jun 2016 10:38:22 +0100	[thread overview]
Message-ID: <1465897108-26548-3-git-send-email-reshma.pattan@intel.com> (raw)
In-Reply-To: <1465897108-26548-1-git-send-email-reshma.pattan@intel.com>

Added new public api rte_eth_add_first_rx_callback to add given
callback as head of the list.

Signed-off-by: Reshma Pattan <reshma.pattan@intel.com>
---
 lib/librte_ether/rte_ethdev.c          | 35 ++++++++++++++++++++++++++++++++++
 lib/librte_ether/rte_ethdev.h          | 28 +++++++++++++++++++++++++++
 lib/librte_ether/rte_ether_version.map |  6 ++++++
 3 files changed, 69 insertions(+)

diff --git a/lib/librte_ether/rte_ethdev.c b/lib/librte_ether/rte_ethdev.c
index ce70d58..97d167e 100644
--- a/lib/librte_ether/rte_ethdev.c
+++ b/lib/librte_ether/rte_ethdev.c
@@ -2939,6 +2939,41 @@ 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..237e6ef 100644
--- a/lib/librte_ether/rte_ethdev.h
+++ b/lib/librte_ether/rte_ethdev.h
@@ -3825,6 +3825,34 @@ 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

  parent reply	other threads:[~2016-06-14  9:38 UTC|newest]

Thread overview: 67+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <1465487895-5870-1-git-send-email-reshma.pattan@intel.com>
2016-06-10 16:18 ` [dpdk-dev] [PATCH v8 0/8] add packet capture framework Reshma Pattan
2016-06-10 16:18   ` [dpdk-dev] [PATCH v8 1/8] librte_ether: protect add/remove of rxtx callbacks with spinlocks Reshma Pattan
2016-06-10 16:18   ` [dpdk-dev] [PATCH v8 2/8] librte_ether: add new api rte_eth_add_first_rx_callback Reshma Pattan
2016-06-10 16:18   ` [dpdk-dev] [PATCH v8 3/8] librte_ether: add new fields to rte_eth_dev_info struct Reshma Pattan
2016-06-10 16:18   ` [dpdk-dev] [PATCH v8 4/8] librte_ether: make rte_eth_dev_get_port_by_name rte_eth_dev_get_name_by_port public Reshma Pattan
2016-06-10 16:18   ` [dpdk-dev] [PATCH v8 5/8] lib/librte_pdump: add new library for packet capturing support Reshma Pattan
2016-06-10 18:48     ` Aaron Conole
2016-06-10 22:14       ` Pattan, Reshma
2016-06-13 13:28         ` Aaron Conole
2016-06-10 16:18   ` [dpdk-dev] [PATCH v8 6/8] app/pdump: add pdump tool for packet capturing Reshma Pattan
2016-06-10 16:18   ` [dpdk-dev] [PATCH v8 7/8] app/test-pmd: add pdump initialization uninitialization Reshma Pattan
2016-06-10 16:18   ` [dpdk-dev] [PATCH v8 8/8] doc: update doc for packet capture framework Reshma Pattan
2016-06-10 23:23   ` [dpdk-dev] [PATCH v8 0/8] add " Neil Horman
2016-06-13  8:47     ` Pattan, Reshma
2016-06-14  9:38   ` [dpdk-dev] [PATCH v9 " Reshma Pattan
2016-06-14  9:38     ` [dpdk-dev] [PATCH v9 1/8] ethdev: use locks to protect Rx/Tx callback lists Reshma Pattan
2016-06-14 19:59       ` Thomas Monjalon
2016-06-15  5:30         ` Pattan, Reshma
2016-06-15  8:19           ` Thomas Monjalon
2016-06-15  8:37             ` Ananyev, Konstantin
2016-06-15  8:48               ` Thomas Monjalon
2016-06-15  9:54                 ` Ananyev, Konstantin
2016-06-15 11:17                   ` Thomas Monjalon
2016-06-15 13:49                   ` Thomas Monjalon
2016-06-15 12:15                 ` Ivan Boule
2016-06-15 12:40                   ` Ananyev, Konstantin
2016-06-15 13:29                     ` Bruce Richardson
2016-06-15 14:07                       ` Ivan Boule
2016-06-15 14:19                         ` Bruce Richardson
2016-06-15 14:20                         ` Ananyev, Konstantin
2016-06-15 14:22                           ` Bruce Richardson
2016-06-15 14:27                             ` Ananyev, Konstantin
2016-06-15 15:33                               ` Ivan Boule
2016-06-14  9:38     ` Reshma Pattan [this message]
2016-06-14 20:01       ` [dpdk-dev] [PATCH v9 2/8] ethdev: add new api to add Rx callback as head of the list Thomas Monjalon
2016-06-14 21:43         ` Pattan, Reshma
2016-06-14  9:38     ` [dpdk-dev] [PATCH v9 3/8] ethdev: add new fields to ethdev info struct Reshma Pattan
2016-06-14 20:10       ` Thomas Monjalon
2016-06-14 21:57         ` Pattan, Reshma
2016-06-14  9:38     ` [dpdk-dev] [PATCH v9 4/8] ethdev: make get port by name and get name by port public Reshma Pattan
2016-06-14 20:23       ` Thomas Monjalon
2016-06-14 21:55         ` Pattan, Reshma
2016-06-14  9:38     ` [dpdk-dev] [PATCH v9 5/8] pdump: add new library for packet capturing support Reshma Pattan
2016-06-14 20:28       ` Thomas Monjalon
2016-06-14 21:59         ` Pattan, Reshma
2016-06-15  9:05         ` Mcnamara, John
2016-06-15  9:32           ` Thomas Monjalon
2016-06-15  9:43             ` Bruce Richardson
2016-06-15 15:44             ` Mcnamara, John
2016-06-14  9:38     ` [dpdk-dev] [PATCH v9 6/8] app/pdump: add pdump tool for packet capturing Reshma Pattan
2016-06-14 19:56       ` Thomas Monjalon
2016-06-14  9:38     ` [dpdk-dev] [PATCH v9 7/8] app/testpmd: add pdump initialization uninitialization Reshma Pattan
2016-06-14  9:38     ` [dpdk-dev] [PATCH v9 8/8] doc: update doc for packet capture framework Reshma Pattan
2016-06-14 20:41       ` Thomas Monjalon
2016-06-15  5:44         ` Pattan, Reshma
2016-06-15  8:24           ` Thomas Monjalon
2016-06-15 14:06     ` [dpdk-dev] [PATCH v10 0/7] add " Reshma Pattan
2016-06-15 14:06       ` [dpdk-dev] [PATCH v10 1/7] ethdev: use locks to protect Rx/Tx callback lists Reshma Pattan
2016-06-15 14:06       ` [dpdk-dev] [PATCH v10 2/7] ethdev: add new api to add Rx callback as head of the list Reshma Pattan
2016-06-15 14:06       ` [dpdk-dev] [PATCH v10 3/7] ethdev: add new fields to ethdev info struct Reshma Pattan
2016-06-16 19:14         ` Thomas Monjalon
2016-06-15 14:06       ` [dpdk-dev] [PATCH v10 4/7] ethdev: make get port by name and get name by port public Reshma Pattan
2016-06-16 20:27         ` Thomas Monjalon
2016-06-15 14:06       ` [dpdk-dev] [PATCH v10 5/7] pdump: add new library for packet capturing support Reshma Pattan
2016-06-15 14:06       ` [dpdk-dev] [PATCH v10 6/7] app/pdump: add pdump tool for packet capturing Reshma Pattan
2016-06-15 14:06       ` [dpdk-dev] [PATCH v10 7/7] app/testpmd: add pdump initialization uninitialization Reshma Pattan
2016-06-16 21:55       ` [dpdk-dev] [PATCH v10 0/7] add packet capture framework Thomas Monjalon

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