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[204.195.96.226]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-22410a91cf4sm103734145ad.200.2025.03.11.16.54.41 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 11 Mar 2025 16:54:42 -0700 (PDT) From: Stephen Hemminger To: dev@dpdk.org Cc: Stephen Hemminger Subject: [PATCH v3 4/9] net/ioring: implement management functions Date: Tue, 11 Mar 2025 16:51:22 -0700 Message-ID: <20250311235424.172440-5-stephen@networkplumber.org> X-Mailer: git-send-email 2.47.2 In-Reply-To: <20250311235424.172440-1-stephen@networkplumber.org> References: <20241210212757.83490-1-stephen@networkplumber.org> <20250311235424.172440-1-stephen@networkplumber.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Add start, stop, configure and info functions. Signed-off-by: Stephen Hemminger --- drivers/net/ioring/rte_eth_ioring.c | 72 ++++++++++++++++++++++++++--- 1 file changed, 66 insertions(+), 6 deletions(-) diff --git a/drivers/net/ioring/rte_eth_ioring.c b/drivers/net/ioring/rte_eth_ioring.c index fe3c72098c..b5b5ffdee3 100644 --- a/drivers/net/ioring/rte_eth_ioring.c +++ b/drivers/net/ioring/rte_eth_ioring.c @@ -212,12 +212,16 @@ static int eth_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu) { struct pmd_internals *pmd = dev->data->dev_private; + + int sock = socket(AF_INET, SOCK_DGRAM, 0); + if (sock < 0) + return -errno; + struct ifreq ifr = { .ifr_mtu = mtu }; - int ret; strlcpy(ifr.ifr_name, pmd->ifname, IFNAMSIZ); - ret = ioctl(pmd->ctl_sock, SIOCSIFMTU, &ifr); + int ret = ioctl(sock, SIOCSIFMTU, &ifr); if (ret < 0) { PMD_LOG(ERR, "ioctl(SIOCSIFMTU) failed: %s", strerror(errno)); ret = -errno; @@ -230,14 +234,17 @@ static int eth_dev_macaddr_set(struct rte_eth_dev *dev, struct rte_ether_addr *addr) { struct pmd_internals *pmd = dev->data->dev_private; - struct ifreq ifr = { }; - int ret; + int sock = socket(AF_INET, SOCK_DGRAM, 0); + if (sock < 0) + return -errno; + + struct ifreq ifr = { }; strlcpy(ifr.ifr_name, pmd->ifname, IFNAMSIZ); ifr.ifr_hwaddr.sa_family = ARPHRD_ETHER; memcpy(ifr.ifr_hwaddr.sa_data, addr, sizeof(*addr)); - ret = ioctl(pmd->ctl_sock, SIOCSIFHWADDR, &ifr); + int ret = ioctl(sock, SIOCSIFHWADDR, &ifr); if (ret < 0) { PMD_LOG(ERR, "ioctl(SIOCSIFHWADDR) failed: %s", strerror(errno)); ret = -errno; @@ -246,6 +253,56 @@ eth_dev_macaddr_set(struct rte_eth_dev *dev, struct rte_ether_addr *addr) return ret; } +static int +eth_dev_start(struct rte_eth_dev *dev) +{ + dev->data->dev_link.link_status = RTE_ETH_LINK_UP; + eth_dev_set_link_up(dev); + + for (uint16_t i = 0; i < dev->data->nb_rx_queues; i++) { + dev->data->rx_queue_state[i] = RTE_ETH_QUEUE_STATE_STARTED; + dev->data->tx_queue_state[i] = RTE_ETH_QUEUE_STATE_STARTED; + } + + return 0; +} + +static int +eth_dev_stop(struct rte_eth_dev *dev) +{ + dev->data->dev_link.link_status = RTE_ETH_LINK_DOWN; + eth_dev_set_link_down(dev); + + for (uint16_t i = 0; i < dev->data->nb_rx_queues; i++) { + dev->data->rx_queue_state[i] = RTE_ETH_QUEUE_STATE_STOPPED; + dev->data->tx_queue_state[i] = RTE_ETH_QUEUE_STATE_STOPPED; + } + + return 0; +} + +static int +eth_dev_configure(struct rte_eth_dev *dev) +{ + /* rx/tx must be paired */ + if (dev->data->nb_rx_queues != dev->data->nb_tx_queues) + return -EINVAL; + + return 0; +} + +static int +eth_dev_info(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info) +{ + struct pmd_internals *pmd = dev->data->dev_private; + + dev_info->if_index = if_nametoindex(pmd->ifname); + dev_info->max_mac_addrs = 1; + dev_info->max_rx_pktlen = RTE_ETHER_MAX_LEN; + + return 0; +} + static int eth_dev_close(struct rte_eth_dev *dev) { @@ -263,11 +320,14 @@ eth_dev_close(struct rte_eth_dev *dev) close(pmd->keep_fd); pmd->keep_fd = -1; } - return 0; } static const struct eth_dev_ops ops = { + .dev_start = eth_dev_start, + .dev_stop = eth_dev_stop, + .dev_configure = eth_dev_configure, + .dev_infos_get = eth_dev_info, .dev_close = eth_dev_close, .link_update = eth_link_update, .dev_set_link_up = eth_dev_set_link_up, -- 2.47.2