From: Stephen Hemminger <stephen@networkplumber.org>
To: Allain Legacy <allain.legacy@windriver.com>
Cc: <ferruh.yigit@intel.com>, <dev@dpdk.org>
Subject: Re: [dpdk-dev] [PATCH v2 07/15] net/avp: driver registration
Date: Mon, 27 Feb 2017 08:53:39 -0800 [thread overview]
Message-ID: <20170227085339.3f14a3fb@xeon-e3> (raw)
In-Reply-To: <1488136143-116389-8-git-send-email-allain.legacy@windriver.com>
On Sun, 26 Feb 2017 14:08:55 -0500
Allain Legacy <allain.legacy@windriver.com> wrote:
> +struct avp_dev {
> + uint32_t magic; /**< Memory validation marker */
> + uint64_t device_id; /**< Unique system identifier */
> + struct ether_addr ethaddr; /**< Host specified MAC address */
> + struct rte_eth_dev_data *dev_data;
> + /**< Back pointer to ethernet device data */
> + volatile uint32_t flags; /**< Device operational flags */
> + uint8_t port_id; /**< Ethernet port identifier */
> + struct rte_mempool *pool; /**< pkt mbuf mempool */
> + unsigned int guest_mbuf_size; /**< local pool mbuf size */
> + unsigned int host_mbuf_size; /**< host mbuf size */
> + unsigned int max_rx_pkt_len; /**< maximum receive unit */
> + uint32_t host_features; /**< Supported feature bitmap */
> + uint32_t features; /**< Enabled feature bitmap */
> + unsigned int num_tx_queues; /**< Negotiated number of transmit queues */
> + unsigned int max_tx_queues; /**< Maximum number of transmit queues */
> + unsigned int num_rx_queues; /**< Negotiated number of receive queues */
> + unsigned int max_rx_queues; /**< Maximum number of receive queues */
> +
> + struct rte_avp_fifo *tx_q[RTE_AVP_MAX_QUEUES]; /**< TX queue */
> + struct rte_avp_fifo *rx_q[RTE_AVP_MAX_QUEUES]; /**< RX queue */
> + struct rte_avp_fifo *alloc_q[RTE_AVP_MAX_QUEUES];
> + /**< Allocated mbufs queue */
> + struct rte_avp_fifo *free_q[RTE_AVP_MAX_QUEUES];
> + /**< To be freed mbufs queue */
> +
> + /* mutual exclusion over the 'flag' and 'resp_q/req_q' fields */
> + rte_spinlock_t lock;
What exactly is the spinlock protecting? The control operations in DPDK
are defined to be not thread safe. I.e it is responsibility of caller to synchronize.
Therefore is lock really needed?
next prev parent reply other threads:[~2017-02-27 16:53 UTC|newest]
Thread overview: 172+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-02-25 1:22 [dpdk-dev] [PATCH 00/16] Wind River Systems AVP PMD Allain Legacy
2017-02-25 1:23 ` [dpdk-dev] [PATCH 01/16] config: adds attributes for the " Allain Legacy
2017-02-25 1:23 ` [dpdk-dev] [PATCH 02/16] net/avp: public header files Allain Legacy
2017-02-25 1:23 ` [dpdk-dev] [PATCH 03/16] maintainers: claim responsibility for AVP PMD Allain Legacy
2017-02-25 1:23 ` [dpdk-dev] [PATCH 04/16] net/avp: add PMD version map file Allain Legacy
2017-02-25 1:23 ` [dpdk-dev] [PATCH 05/16] net/avp: debug log macros Allain Legacy
2017-02-25 1:23 ` [dpdk-dev] [PATCH 06/16] drivers/net: adds driver makefiles for AVP PMD Allain Legacy
2017-02-25 1:23 ` [dpdk-dev] [PATCH 07/16] net/avp: driver registration Allain Legacy
2017-02-25 1:23 ` [dpdk-dev] [PATCH 08/16] net/avp: device initialization Allain Legacy
2017-02-25 1:23 ` [dpdk-dev] [PATCH 09/16] net/avp: device configuration Allain Legacy
2017-02-25 1:23 ` [dpdk-dev] [PATCH 10/16] net/avp: queue setup and release Allain Legacy
2017-02-25 1:23 ` [dpdk-dev] [PATCH 11/16] net/avp: packet receive functions Allain Legacy
2017-02-25 1:23 ` [dpdk-dev] [PATCH 12/16] net/avp: packet transmit functions Allain Legacy
2017-02-25 1:23 ` [dpdk-dev] [PATCH 13/16] net/avp: device statistics operations Allain Legacy
2017-02-25 1:23 ` [dpdk-dev] [PATCH 14/16] net/avp: device promiscuous functions Allain Legacy
2017-02-25 1:23 ` [dpdk-dev] [PATCH 15/16] net/avp: device start and stop operations Allain Legacy
2017-02-25 1:23 ` [dpdk-dev] [PATCH 16/16] doc: adds information related to the AVP PMD Allain Legacy
2017-02-26 19:08 ` [dpdk-dev] [PATCH v2 00/16] Wind River Systems " Allain Legacy
2017-02-26 19:08 ` [dpdk-dev] [PATCH v2 01/15] config: adds attributes for the " Allain Legacy
2017-02-26 19:08 ` [dpdk-dev] [PATCH v2 02/15] net/avp: public header files Allain Legacy
2017-02-28 11:49 ` Jerin Jacob
2017-03-01 13:25 ` Legacy, Allain
2017-02-26 19:08 ` [dpdk-dev] [PATCH v2 03/15] maintainers: claim responsibility for AVP PMD Allain Legacy
2017-02-26 19:08 ` [dpdk-dev] [PATCH v2 04/15] net/avp: add PMD version map file Allain Legacy
2017-02-26 19:08 ` [dpdk-dev] [PATCH v2 05/15] net/avp: debug log macros Allain Legacy
2017-02-26 19:08 ` [dpdk-dev] [PATCH v2 06/15] drivers/net: adds driver makefiles for AVP PMD Allain Legacy
2017-02-26 19:08 ` [dpdk-dev] [PATCH v2 07/15] net/avp: driver registration Allain Legacy
2017-02-27 16:47 ` Stephen Hemminger
2017-02-27 17:10 ` Legacy, Allain
2017-02-27 16:53 ` Stephen Hemminger [this message]
2017-02-27 17:09 ` Legacy, Allain
2017-02-26 19:08 ` [dpdk-dev] [PATCH v2 08/15] net/avp: device initialization Allain Legacy
2017-02-28 11:57 ` Jerin Jacob
2017-03-01 13:29 ` Legacy, Allain
2017-02-26 19:08 ` [dpdk-dev] [PATCH v2 09/15] net/avp: device configuration Allain Legacy
2017-02-26 19:08 ` [dpdk-dev] [PATCH v2 10/15] net/avp: queue setup and release Allain Legacy
2017-02-26 19:08 ` [dpdk-dev] [PATCH v2 11/15] net/avp: packet receive functions Allain Legacy
2017-02-27 16:46 ` Stephen Hemminger
2017-02-27 17:06 ` Legacy, Allain
2017-02-28 10:27 ` Bruce Richardson
2017-03-01 13:23 ` Legacy, Allain
2017-03-01 14:14 ` Thomas Monjalon
2017-03-01 14:54 ` Legacy, Allain
2017-03-01 15:10 ` Stephen Hemminger
2017-03-01 15:40 ` Legacy, Allain
2017-02-26 19:09 ` [dpdk-dev] [PATCH v2 12/15] net/avp: packet transmit functions Allain Legacy
2017-02-26 22:18 ` Legacy, Allain
2017-02-26 19:09 ` [dpdk-dev] [PATCH v2 13/15] net/avp: device promiscuous functions Allain Legacy
2017-02-26 19:09 ` [dpdk-dev] [PATCH v2 14/15] net/avp: device start and stop operations Allain Legacy
2017-02-26 19:09 ` [dpdk-dev] [PATCH v2 15/15] doc: adds information related to the AVP PMD Allain Legacy
2017-02-27 17:04 ` Mcnamara, John
2017-02-27 17:07 ` Legacy, Allain
2017-02-27 8:54 ` [dpdk-dev] [PATCH v2 00/16] Wind River Systems " Vincent JARDIN
2017-02-27 12:15 ` Legacy, Allain
2017-02-27 15:17 ` Wiles, Keith
2017-03-02 0:19 ` [dpdk-dev] [PATCH v3 " Allain Legacy
2017-03-02 0:19 ` [dpdk-dev] [PATCH v3 01/16] config: adds attributes for the " Allain Legacy
2017-03-02 0:19 ` [dpdk-dev] [PATCH v3 02/16] net/avp: public header files Allain Legacy
2017-03-03 14:37 ` Chas Williams
2017-03-03 15:35 ` Legacy, Allain
2017-03-02 0:19 ` [dpdk-dev] [PATCH v3 03/16] maintainers: claim responsibility for AVP PMD Allain Legacy
2017-03-02 0:19 ` [dpdk-dev] [PATCH v3 04/16] net/avp: add PMD version map file Allain Legacy
2017-03-02 0:19 ` [dpdk-dev] [PATCH v3 05/16] net/avp: debug log macros Allain Legacy
2017-03-02 0:19 ` [dpdk-dev] [PATCH v3 06/16] drivers/net: adds driver makefiles for AVP PMD Allain Legacy
2017-03-02 0:19 ` [dpdk-dev] [PATCH v3 07/16] net/avp: driver registration Allain Legacy
2017-03-02 0:20 ` [dpdk-dev] [PATCH v3 08/16] net/avp: device initialization Allain Legacy
2017-03-03 15:04 ` Chas Williams
2017-03-09 14:03 ` Legacy, Allain
2017-03-09 14:48 ` Legacy, Allain
2017-03-02 0:20 ` [dpdk-dev] [PATCH v3 09/16] net/avp: device configuration Allain Legacy
2017-03-02 0:20 ` [dpdk-dev] [PATCH v3 10/16] net/avp: queue setup and release Allain Legacy
2017-03-02 0:20 ` [dpdk-dev] [PATCH v3 11/16] net/avp: packet receive functions Allain Legacy
2017-03-02 0:20 ` [dpdk-dev] [PATCH v3 12/16] net/avp: packet transmit functions Allain Legacy
2017-03-02 0:20 ` [dpdk-dev] [PATCH v3 13/16] net/avp: device statistics operations Allain Legacy
2017-03-02 0:35 ` Stephen Hemminger
2017-03-09 13:48 ` Legacy, Allain
2017-03-02 0:20 ` [dpdk-dev] [PATCH v3 14/16] net/avp: device promiscuous functions Allain Legacy
2017-03-02 0:20 ` [dpdk-dev] [PATCH v3 15/16] net/avp: device start and stop operations Allain Legacy
2017-03-02 0:37 ` Stephen Hemminger
2017-03-09 13:49 ` Legacy, Allain
2017-03-02 0:20 ` [dpdk-dev] [PATCH v3 16/16] doc: adds information related to the AVP PMD Allain Legacy
2017-03-03 16:21 ` Vincent JARDIN
2017-03-13 19:17 ` Legacy, Allain
2017-03-13 19:16 ` [dpdk-dev] [PATCH v4 00/17] Wind River Systems " Allain Legacy
2017-03-13 19:16 ` [dpdk-dev] [PATCH v4 01/17] config: adds attributes for the " Allain Legacy
2017-03-13 19:16 ` [dpdk-dev] [PATCH v4 02/17] net/avp: public header files Allain Legacy
2017-03-13 19:16 ` [dpdk-dev] [PATCH v4 03/17] maintainers: claim responsibility for AVP PMD Allain Legacy
2017-03-13 19:16 ` [dpdk-dev] [PATCH v4 04/17] net/avp: add PMD version map file Allain Legacy
2017-03-16 14:52 ` Ferruh Yigit
2017-03-16 15:33 ` Legacy, Allain
2017-03-13 19:16 ` [dpdk-dev] [PATCH v4 05/17] net/avp: debug log macros Allain Legacy
2017-03-13 19:16 ` [dpdk-dev] [PATCH v4 06/17] drivers/net: adds driver makefiles for AVP PMD Allain Legacy
2017-03-13 19:16 ` [dpdk-dev] [PATCH v4 07/17] net/avp: driver registration Allain Legacy
2017-03-16 14:53 ` Ferruh Yigit
2017-03-16 15:37 ` Legacy, Allain
2017-03-13 19:16 ` [dpdk-dev] [PATCH v4 08/17] net/avp: device initialization Allain Legacy
2017-03-13 19:16 ` [dpdk-dev] [PATCH v4 09/17] net/avp: device configuration Allain Legacy
2017-03-13 19:16 ` [dpdk-dev] [PATCH v4 10/17] net/avp: queue setup and release Allain Legacy
2017-03-13 19:16 ` [dpdk-dev] [PATCH v4 11/17] net/avp: packet receive functions Allain Legacy
2017-03-13 19:16 ` [dpdk-dev] [PATCH v4 12/17] net/avp: packet transmit functions Allain Legacy
2017-03-13 19:16 ` [dpdk-dev] [PATCH v4 13/17] net/avp: device statistics operations Allain Legacy
2017-03-13 19:16 ` [dpdk-dev] [PATCH v4 14/17] net/avp: device promiscuous functions Allain Legacy
2017-03-13 19:16 ` [dpdk-dev] [PATCH v4 15/17] net/avp: device start and stop operations Allain Legacy
2017-03-13 19:16 ` [dpdk-dev] [PATCH v4 16/17] net/avp: migration interrupt handling Allain Legacy
2017-03-13 19:16 ` [dpdk-dev] [PATCH v4 17/17] doc: adds information related to the AVP PMD Allain Legacy
2017-03-16 14:53 ` Ferruh Yigit
2017-03-16 15:37 ` Legacy, Allain
2017-03-14 17:37 ` [dpdk-dev] [PATCH v4 00/17] Wind River Systems AVP PMD vs virtio? Vincent JARDIN
2017-03-15 4:10 ` O'Driscoll, Tim
2017-03-15 10:55 ` Thomas Monjalon
2017-03-15 14:02 ` Vincent JARDIN
2017-03-16 3:18 ` O'Driscoll, Tim
2017-03-16 8:52 ` Francois Ozog
2017-03-16 9:51 ` Wiles, Keith
2017-03-16 10:32 ` Chas Williams
2017-03-16 18:09 ` Francois Ozog
2017-03-15 11:29 ` Ferruh Yigit
2017-03-15 14:08 ` Vincent JARDIN
2017-03-15 18:18 ` Ferruh Yigit
2017-03-15 14:02 ` Vincent JARDIN
2017-03-15 14:02 ` Vincent JARDIN
2017-03-15 20:19 ` Wiles, Keith
2017-03-16 23:17 ` Stephen Hemminger
2017-03-16 23:41 ` [dpdk-dev] [PATCH v4 00/17] Wind River Systems AVP PMD vs virtio? - ivshmem is back Vincent JARDIN
2017-03-17 0:08 ` Wiles, Keith
2017-03-17 0:15 ` O'Driscoll, Tim
2017-03-17 0:11 ` Wiles, Keith
2017-03-17 0:14 ` Stephen Hemminger
2017-03-17 0:31 ` Vincent JARDIN
2017-03-17 0:53 ` Wiles, Keith
2017-03-17 8:48 ` Thomas Monjalon
2017-03-17 10:15 ` Legacy, Allain
2017-03-17 13:52 ` Michael S. Tsirkin
2017-03-20 22:30 ` Hobywan Kenoby
2017-03-21 11:06 ` Thomas Monjalon
[not found] ` <20170317093320.GA11116@stefanha-x1.localdomain>
2017-03-30 8:55 ` Markus Armbruster
2017-03-23 11:23 ` [dpdk-dev] [PATCH v5 00/14] Wind River Systems AVP PMD Allain Legacy
2017-03-23 11:24 ` [dpdk-dev] [PATCH v5 01/14] drivers/net: adds AVP PMD base files Allain Legacy
2017-03-23 11:24 ` [dpdk-dev] [PATCH v5 02/14] net/avp: public header files Allain Legacy
2017-03-23 11:24 ` [dpdk-dev] [PATCH v5 03/14] net/avp: debug log macros Allain Legacy
2017-03-23 11:24 ` [dpdk-dev] [PATCH v5 04/14] net/avp: driver registration Allain Legacy
2017-03-23 11:24 ` [dpdk-dev] [PATCH v5 05/14] net/avp: device initialization Allain Legacy
2017-03-23 11:24 ` [dpdk-dev] [PATCH v5 06/14] net/avp: device configuration Allain Legacy
2017-03-23 11:24 ` [dpdk-dev] [PATCH v5 07/14] net/avp: queue setup and release Allain Legacy
2017-03-23 11:24 ` [dpdk-dev] [PATCH v5 08/14] net/avp: packet receive functions Allain Legacy
2017-03-23 11:24 ` [dpdk-dev] [PATCH v5 09/14] net/avp: packet transmit functions Allain Legacy
2017-03-23 11:24 ` [dpdk-dev] [PATCH v5 10/14] net/avp: device statistics operations Allain Legacy
2017-03-23 11:24 ` [dpdk-dev] [PATCH v5 11/14] net/avp: device promiscuous functions Allain Legacy
2017-03-23 11:24 ` [dpdk-dev] [PATCH v5 12/14] net/avp: device start and stop operations Allain Legacy
2017-03-23 11:24 ` [dpdk-dev] [PATCH v5 13/14] net/avp: migration interrupt handling Allain Legacy
2017-03-23 11:24 ` [dpdk-dev] [PATCH v5 14/14] doc: adds information related to the AVP PMD Allain Legacy
2017-03-23 14:18 ` [dpdk-dev] [PATCH v5 00/14] Wind River Systems " Ferruh Yigit
2017-03-23 18:28 ` Legacy, Allain
2017-03-23 20:35 ` Vincent Jardin
2017-03-28 11:53 ` [dpdk-dev] [PATCH v6 " Allain Legacy
2017-03-28 11:53 ` [dpdk-dev] [PATCH v6 01/14] drivers/net: adds AVP PMD base files Allain Legacy
2017-03-28 11:53 ` [dpdk-dev] [PATCH v6 02/14] net/avp: public header files Allain Legacy
2017-03-28 11:53 ` [dpdk-dev] [PATCH v6 03/14] net/avp: debug log macros Allain Legacy
2017-03-28 11:53 ` [dpdk-dev] [PATCH v6 04/14] net/avp: driver registration Allain Legacy
2017-03-28 11:54 ` [dpdk-dev] [PATCH v6 05/14] net/avp: device initialization Allain Legacy
2017-03-28 11:54 ` [dpdk-dev] [PATCH v6 06/14] net/avp: device configuration Allain Legacy
2017-03-29 10:28 ` Ferruh Yigit
2017-03-28 11:54 ` [dpdk-dev] [PATCH v6 07/14] net/avp: queue setup and release Allain Legacy
2017-03-28 11:54 ` [dpdk-dev] [PATCH v6 08/14] net/avp: packet receive functions Allain Legacy
2017-03-28 11:54 ` [dpdk-dev] [PATCH v6 09/14] net/avp: packet transmit functions Allain Legacy
2017-03-28 11:54 ` [dpdk-dev] [PATCH v6 10/14] net/avp: device statistics operations Allain Legacy
2017-03-28 11:54 ` [dpdk-dev] [PATCH v6 11/14] net/avp: device promiscuous functions Allain Legacy
2017-03-28 11:54 ` [dpdk-dev] [PATCH v6 12/14] net/avp: device start and stop operations Allain Legacy
2017-03-28 11:54 ` [dpdk-dev] [PATCH v6 13/14] net/avp: migration interrupt handling Allain Legacy
2017-03-28 11:54 ` [dpdk-dev] [PATCH v6 14/14] doc: adds information related to the AVP PMD Allain Legacy
2017-03-29 10:44 ` [dpdk-dev] [PATCH v6 00/14] Wind River Systems " Vincent JARDIN
2017-03-29 11:05 ` Ferruh Yigit
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