From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jerin Jacob Subject: [PATCH 03/20] thunderx/nicvf: add link status and link update support Date: Sat, 7 May 2016 20:46:21 +0530 Message-ID: <1462634198-2289-4-git-send-email-jerin.jacob@caviumnetworks.com> References: <1462634198-2289-1-git-send-email-jerin.jacob@caviumnetworks.com> Mime-Version: 1.0 Content-Type: text/plain Cc: , , Jerin Jacob , Maciej Czekaj , Kamil Rytarowski , Zyta Szpak , Slawomir Rosek , Radoslaw Biernacki To: Return-path: Received: from na01-bl2-obe.outbound.protection.outlook.com (mail-bl2on0097.outbound.protection.outlook.com [65.55.169.97]) by dpdk.org (Postfix) with ESMTP id 7E3775A5C for ; Sat, 7 May 2016 17:17:52 +0200 (CEST) In-Reply-To: <1462634198-2289-1-git-send-email-jerin.jacob@caviumnetworks.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" Extended the nicvf_interrupt function to respond NIC_MBOX_MSG_BGX_LINK_CHANGE mbox message from PF and update struct rte_eth_link accordingly. Signed-off-by: Jerin Jacob Signed-off-by: Maciej Czekaj Signed-off-by: Kamil Rytarowski Signed-off-by: Zyta Szpak Signed-off-by: Slawomir Rosek Signed-off-by: Radoslaw Biernacki --- drivers/net/thunderx/nicvf_ethdev.c | 55 ++++++++++++++++++++++++++++++++++++- drivers/net/thunderx/nicvf_ethdev.h | 4 +++ 2 files changed, 58 insertions(+), 1 deletion(-) diff --git a/drivers/net/thunderx/nicvf_ethdev.c b/drivers/net/thunderx/nicvf_ethdev.c index 3c545b4..e6f0b3e 100644 --- a/drivers/net/thunderx/nicvf_ethdev.c +++ b/drivers/net/thunderx/nicvf_ethdev.c @@ -69,6 +69,35 @@ #include "nicvf_logs.h" +static int nicvf_dev_link_update(struct rte_eth_dev *dev, int wait_to_complete); + +static inline int +nicvf_atomic_write_link_status(struct rte_eth_dev *dev, + struct rte_eth_link *link) +{ + struct rte_eth_link *dst = &dev->data->dev_link; + struct rte_eth_link *src = link; + + if (rte_atomic64_cmpset((uint64_t *)dst, *(uint64_t *)dst, + *(uint64_t *)src) == 0) + return -1; + + return 0; +} + +static inline void +nicvf_set_eth_link_status(struct nicvf *nic, struct rte_eth_link *link) +{ + link->link_status = nic->link_up; + link->link_duplex = ETH_LINK_AUTONEG; + if (nic->duplex == NICVF_HALF_DUPLEX) + link->link_duplex = ETH_LINK_HALF_DUPLEX; + else if (nic->duplex == NICVF_FULL_DUPLEX) + link->link_duplex = ETH_LINK_FULL_DUPLEX; + link->link_speed = nic->speed; + link->link_autoneg = ETH_LINK_SPEED_AUTONEG; +} + static struct itimerspec alarm_time = { .it_interval = { .tv_sec = 0, @@ -85,7 +114,13 @@ nicvf_interrupt(struct rte_intr_handle *hdl __rte_unused, void *arg) { struct nicvf *nic = (struct nicvf *)arg; - nicvf_reg_poll_interrupts(nic); + if (nicvf_reg_poll_interrupts(nic) == NIC_MBOX_MSG_BGX_LINK_CHANGE) { + if (nic->eth_dev->data->dev_conf.intr_conf.lsc) + nicvf_set_eth_link_status(nic, + &nic->eth_dev->data->dev_link); + _rte_eth_dev_callback_process(nic->eth_dev, + RTE_ETH_EVENT_INTR_LSC); + } } static int @@ -115,9 +150,27 @@ nicvf_periodic_alarm_stop(struct nicvf *nic) return ret; } +/* + * Return 0 means link status changed, -1 means not changed + */ +static int +nicvf_dev_link_update(struct rte_eth_dev *dev, + int wait_to_complete __rte_unused) +{ + struct rte_eth_link link; + struct nicvf *nic = nicvf_pmd_priv(dev); + + PMD_INIT_FUNC_TRACE(); + + memset(&link, 0, sizeof(link)); + nicvf_set_eth_link_status(nic, &link); + return nicvf_atomic_write_link_status(dev, &link); +} + /* Initialise and register driver with DPDK Application */ static const struct eth_dev_ops nicvf_eth_dev_ops = { + .link_update = nicvf_dev_link_update, }; static int diff --git a/drivers/net/thunderx/nicvf_ethdev.h b/drivers/net/thunderx/nicvf_ethdev.h index 6431329..cc19da5 100644 --- a/drivers/net/thunderx/nicvf_ethdev.h +++ b/drivers/net/thunderx/nicvf_ethdev.h @@ -38,6 +38,10 @@ #define THUNDERX_NICVF_PMD_VERSION "1.0" #define NICVF_INTR_POLL_INTERVAL_MS 50 +#define NICVF_HALF_DUPLEX 0x00 +#define NICVF_FULL_DUPLEX 0x01 +#define NICVF_UNKNOWN_DUPLEX 0xff + static inline struct nicvf* nicvf_pmd_priv(struct rte_eth_dev *eth_dev) -- 2.1.0