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From: Maxime Coquelin <maxime.coquelin@redhat.com>
To: dev@dpdk.org, chenbo.xia@intel.com, olivier.matz@6wind.com,
	amorenoz@redhat.com, david.marchand@redhat.com
Cc: Maxime Coquelin <maxime.coquelin@redhat.com>
Subject: [dpdk-dev] [PATCH v4 33/44] net/virtio: add Virtio-user status ops
Date: Tue, 26 Jan 2021 11:16:28 +0100
Message-ID: <20210126101639.250481-34-maxime.coquelin@redhat.com> (raw)
In-Reply-To: <20210126101639.250481-1-maxime.coquelin@redhat.com>

This patch introduces new callbacks to
get and set the device status.

Signed-off-by: Maxime Coquelin <maxime.coquelin@redhat.com>
Reviewed-by: Chenbo Xia <chenbo.xia@intel.com>
---
 drivers/net/virtio/virtio_user/vhost.h        |   2 +
 drivers/net/virtio/virtio_user/vhost_kernel.c |  14 ++
 drivers/net/virtio/virtio_user/vhost_user.c   | 121 +++++++++++++-----
 drivers/net/virtio/virtio_user/vhost_vdpa.c   |  16 ++-
 .../net/virtio/virtio_user/virtio_user_dev.c  |  42 ++----
 5 files changed, 129 insertions(+), 66 deletions(-)

diff --git a/drivers/net/virtio/virtio_user/vhost.h b/drivers/net/virtio/virtio_user/vhost.h
index 19040dfdc2..c896f0836d 100644
--- a/drivers/net/virtio/virtio_user/vhost.h
+++ b/drivers/net/virtio/virtio_user/vhost.h
@@ -121,6 +121,8 @@ struct virtio_user_backend_ops {
 	int (*set_vring_call)(struct virtio_user_dev *dev, struct vhost_vring_file *file);
 	int (*set_vring_kick)(struct virtio_user_dev *dev, struct vhost_vring_file *file);
 	int (*set_vring_addr)(struct virtio_user_dev *dev, struct vhost_vring_addr *addr);
+	int (*get_status)(struct virtio_user_dev *dev, uint8_t *status);
+	int (*set_status)(struct virtio_user_dev *dev, uint8_t status);
 	int (*send_request)(struct virtio_user_dev *dev,
 			    enum vhost_user_request req,
 			    void *arg);
diff --git a/drivers/net/virtio/virtio_user/vhost_kernel.c b/drivers/net/virtio/virtio_user/vhost_kernel.c
index 48eeb77aec..4de4b669d2 100644
--- a/drivers/net/virtio/virtio_user/vhost_kernel.c
+++ b/drivers/net/virtio/virtio_user/vhost_kernel.c
@@ -316,6 +316,18 @@ vhost_kernel_set_vring_addr(struct virtio_user_dev *dev, struct vhost_vring_addr
 	return 0;
 }
 
+static int
+vhost_kernel_get_status(struct virtio_user_dev *dev __rte_unused, uint8_t *status __rte_unused)
+{
+	return -ENOTSUP;
+}
+
+static int
+vhost_kernel_set_status(struct virtio_user_dev *dev __rte_unused, uint8_t status __rte_unused)
+{
+	return -ENOTSUP;
+}
+
 static uint64_t vhost_req_user_to_kernel[] = {
 	[VHOST_USER_RESET_OWNER] = VHOST_RESET_OWNER,
 };
@@ -487,6 +499,8 @@ struct virtio_user_backend_ops virtio_ops_kernel = {
 	.set_vring_call = vhost_kernel_set_vring_call,
 	.set_vring_kick = vhost_kernel_set_vring_kick,
 	.set_vring_addr = vhost_kernel_set_vring_addr,
+	.get_status = vhost_kernel_get_status,
+	.set_status = vhost_kernel_set_status,
 	.send_request = vhost_kernel_send_request,
 	.enable_qp = vhost_kernel_enable_queue_pair
 };
diff --git a/drivers/net/virtio/virtio_user/vhost_user.c b/drivers/net/virtio/virtio_user/vhost_user.c
index 9ff49d2b1d..91ecb50342 100644
--- a/drivers/net/virtio/virtio_user/vhost_user.c
+++ b/drivers/net/virtio/virtio_user/vhost_user.c
@@ -559,13 +559,100 @@ vhost_user_set_vring_addr(struct virtio_user_dev *dev, struct vhost_vring_addr *
 	return 0;
 }
 
+static int
+vhost_user_get_status(struct virtio_user_dev *dev, uint8_t *status)
+{
+	int ret;
+	struct vhost_user_msg msg = {
+		.request = VHOST_USER_GET_STATUS,
+		.flags = VHOST_USER_VERSION,
+	};
+
+	/*
+	 * If features have not been negotiated, we don't know if the backend
+	 * supports protocol features
+	 */
+	if (!(dev->status & VIRTIO_CONFIG_STATUS_FEATURES_OK))
+		return -ENOTSUP;
+
+	/* Status protocol feature requires protocol features support */
+	if (!(dev->device_features & (1ULL << VHOST_USER_F_PROTOCOL_FEATURES)))
+		return -ENOTSUP;
+
+	if (!(dev->protocol_features & (1ULL << VHOST_USER_PROTOCOL_F_STATUS)))
+		return -ENOTSUP;
+
+	ret = vhost_user_write(dev->vhostfd, &msg, NULL, 0);
+	if (ret < 0) {
+		PMD_DRV_LOG(ERR, "Failed to send request");
+		goto err;
+	}
+
+	ret = vhost_user_read(dev->vhostfd, &msg);
+	if (ret < 0) {
+		PMD_DRV_LOG(ERR, "Failed to recv request");
+		goto err;
+	}
+
+	if (msg.request != VHOST_USER_GET_STATUS) {
+		PMD_DRV_LOG(ERR, "Unexpected request type (%d)", msg.request);
+		goto err;
+	}
+
+	if (msg.size != sizeof(msg.payload.u64)) {
+		PMD_DRV_LOG(ERR, "Unexpected payload size (%u)", msg.size);
+		goto err;
+	}
+
+	*status = (uint8_t)msg.payload.u64;
+
+	return 0;
+err:
+	PMD_DRV_LOG(ERR, "Failed to get device status");
+	return -1;
+}
+
+static int
+vhost_user_set_status(struct virtio_user_dev *dev, uint8_t status)
+{
+	int ret;
+	struct vhost_user_msg msg = {
+		.request = VHOST_USER_SET_STATUS,
+		.flags = VHOST_USER_VERSION,
+		.size = sizeof(msg.payload.u64),
+		.payload.u64 = status,
+	};
+
+	/*
+	 * If features have not been negotiated, we don't know if the backend
+	 * supports protocol features
+	 */
+	if (!(dev->status & VIRTIO_CONFIG_STATUS_FEATURES_OK))
+		return -ENOTSUP;
+
+	/* Status protocol feature requires protocol features support */
+	if (!(dev->device_features & (1ULL << VHOST_USER_F_PROTOCOL_FEATURES)))
+		return -ENOTSUP;
+
+	if (!(dev->protocol_features & (1ULL << VHOST_USER_PROTOCOL_F_STATUS)))
+		return -ENOTSUP;
+
+	if (dev->protocol_features & (1ULL << VHOST_USER_PROTOCOL_F_REPLY_ACK))
+		msg.flags |= VHOST_USER_NEED_REPLY_MASK;
+
+	ret = vhost_user_write(dev->vhostfd, &msg, NULL, 0);
+	if (ret < 0) {
+		PMD_DRV_LOG(ERR, "Failed to send get status request");
+		return -1;
+	}
+
+	return vhost_user_check_reply_ack(dev, &msg);
+}
 
 static struct vhost_user_msg m;
 
 const char * const vhost_msg_strings[] = {
 	[VHOST_USER_RESET_OWNER] = "VHOST_RESET_OWNER",
-	[VHOST_USER_SET_STATUS] = "VHOST_SET_STATUS",
-	[VHOST_USER_GET_STATUS] = "VHOST_GET_STATUS",
 };
 
 static int
@@ -576,7 +663,6 @@ vhost_user_sock(struct virtio_user_dev *dev,
 	struct vhost_user_msg msg;
 	struct vhost_vring_file *file = 0;
 	int need_reply = 0;
-	int has_reply_ack = 0;
 	int fds[VHOST_MEMORY_MAX_NREGIONS];
 	int fd_num = 0;
 	int vhostfd = dev->vhostfd;
@@ -588,31 +674,11 @@ vhost_user_sock(struct virtio_user_dev *dev,
 	if (dev->is_server && vhostfd < 0)
 		return -1;
 
-	if (dev->protocol_features & (1ULL << VHOST_USER_PROTOCOL_F_REPLY_ACK))
-		has_reply_ack = 1;
-
 	msg.request = req;
 	msg.flags = VHOST_USER_VERSION;
 	msg.size = 0;
 
 	switch (req) {
-	case VHOST_USER_GET_STATUS:
-		if (!(dev->status & VIRTIO_CONFIG_STATUS_FEATURES_OK) ||
-		    (!(dev->protocol_features &
-				(1ULL << VHOST_USER_PROTOCOL_F_STATUS))))
-			return -ENOTSUP;
-		need_reply = 1;
-		break;
-
-	case VHOST_USER_SET_STATUS:
-		if (!(dev->status & VIRTIO_CONFIG_STATUS_FEATURES_OK) ||
-		    (!(dev->protocol_features &
-				(1ULL << VHOST_USER_PROTOCOL_F_STATUS))))
-			return -ENOTSUP;
-
-		if (has_reply_ack)
-			msg.flags |= VHOST_USER_NEED_REPLY_MASK;
-		/* Fallthrough */
 	case VHOST_USER_SET_LOG_BASE:
 		msg.payload.u64 = *((__u64 *)arg);
 		msg.size = sizeof(m.payload.u64);
@@ -665,13 +731,6 @@ vhost_user_sock(struct virtio_user_dev *dev,
 		}
 
 		switch (req) {
-		case VHOST_USER_GET_STATUS:
-			if (msg.size != sizeof(m.payload.u64)) {
-				PMD_DRV_LOG(ERR, "Received bad msg size");
-				return -1;
-			}
-			*((__u64 *)arg) = msg.payload.u64;
-			break;
 		default:
 			/* Reply-ack handling */
 			if (msg.size != sizeof(m.payload.u64)) {
@@ -804,6 +863,8 @@ struct virtio_user_backend_ops virtio_ops_user = {
 	.set_vring_call = vhost_user_set_vring_call,
 	.set_vring_kick = vhost_user_set_vring_kick,
 	.set_vring_addr = vhost_user_set_vring_addr,
+	.get_status = vhost_user_get_status,
+	.set_status = vhost_user_set_status,
 	.send_request = vhost_user_sock,
 	.enable_qp = vhost_user_enable_queue_pair
 };
diff --git a/drivers/net/virtio/virtio_user/vhost_vdpa.c b/drivers/net/virtio/virtio_user/vhost_vdpa.c
index 1ec6bb26f2..8ebc679f1b 100644
--- a/drivers/net/virtio/virtio_user/vhost_vdpa.c
+++ b/drivers/net/virtio/virtio_user/vhost_vdpa.c
@@ -38,8 +38,6 @@
 
 static uint64_t vhost_req_user_to_vdpa[] = {
 	[VHOST_USER_RESET_OWNER] = VHOST_RESET_OWNER,
-	[VHOST_USER_SET_STATUS] = VHOST_VDPA_SET_STATUS,
-	[VHOST_USER_GET_STATUS] = VHOST_VDPA_GET_STATUS,
 };
 
 /* no alignment requirement */
@@ -379,6 +377,18 @@ vhost_vdpa_set_vring_addr(struct virtio_user_dev *dev, struct vhost_vring_addr *
 	return vhost_vdpa_ioctl(dev->vhostfd, VHOST_SET_VRING_ADDR, addr);
 }
 
+static int
+vhost_vdpa_get_status(struct virtio_user_dev *dev, uint8_t *status)
+{
+	return vhost_vdpa_ioctl(dev->vhostfd, VHOST_VDPA_GET_STATUS, status);
+}
+
+static int
+vhost_vdpa_set_status(struct virtio_user_dev *dev, uint8_t status)
+{
+	return vhost_vdpa_ioctl(dev->vhostfd, VHOST_VDPA_SET_STATUS, &status);
+}
+
 /* with below features, vhost vdpa does not need to do the checksum and TSO,
  * these info will be passed to virtio_user through virtio net header.
  */
@@ -490,6 +500,8 @@ struct virtio_user_backend_ops virtio_ops_vdpa = {
 	.set_vring_call = vhost_vdpa_set_vring_call,
 	.set_vring_kick = vhost_vdpa_set_vring_kick,
 	.set_vring_addr = vhost_vdpa_set_vring_addr,
+	.get_status = vhost_vdpa_get_status,
+	.set_status = vhost_vdpa_set_status,
 	.send_request = vhost_vdpa_send_request,
 	.enable_qp = vhost_vdpa_enable_queue_pair,
 	.dma_map = vhost_vdpa_dma_map_batch,
diff --git a/drivers/net/virtio/virtio_user/virtio_user_dev.c b/drivers/net/virtio/virtio_user/virtio_user_dev.c
index 7e365d0570..33a25f4684 100644
--- a/drivers/net/virtio/virtio_user/virtio_user_dev.c
+++ b/drivers/net/virtio/virtio_user/virtio_user_dev.c
@@ -814,21 +814,12 @@ int
 virtio_user_dev_set_status(struct virtio_user_dev *dev, uint8_t status)
 {
 	int ret;
-	uint64_t arg = status;
 
 	pthread_mutex_lock(&dev->mutex);
 	dev->status = status;
-	if (dev->backend_type == VIRTIO_USER_BACKEND_VHOST_USER)
-		ret = dev->ops->send_request(dev,
-				VHOST_USER_SET_STATUS, &arg);
-	else if (dev->backend_type == VIRTIO_USER_BACKEND_VHOST_VDPA)
-		ret = dev->ops->send_request(dev,
-				VHOST_USER_SET_STATUS, &status);
-	else
-		ret = -ENOTSUP;
-
+	ret = dev->ops->set_status(dev, status);
 	if (ret && ret != -ENOTSUP) {
-		PMD_INIT_LOG(ERR, "VHOST_USER_SET_STATUS failed (%d): %s", ret,
+		PMD_INIT_LOG(ERR, "Virtio-user set status failed (%d): %s", ret,
 			     strerror(errno));
 	}
 
@@ -839,29 +830,13 @@ virtio_user_dev_set_status(struct virtio_user_dev *dev, uint8_t status)
 int
 virtio_user_dev_update_status(struct virtio_user_dev *dev)
 {
-	uint64_t ret;
+	int ret;
 	uint8_t status;
-	int err;
 
 	pthread_mutex_lock(&dev->mutex);
-	if (dev->backend_type == VIRTIO_USER_BACKEND_VHOST_USER) {
-		err = dev->ops->send_request(dev, VHOST_USER_GET_STATUS, &ret);
-		if (!err && ret > UINT8_MAX) {
-			PMD_INIT_LOG(ERR, "Invalid VHOST_USER_GET_STATUS "
-					"response 0x%" PRIx64 "\n", ret);
-			err = -1;
-			goto error;
-		}
 
-		status = ret;
-	} else if (dev->backend_type == VIRTIO_USER_BACKEND_VHOST_VDPA) {
-		err = dev->ops->send_request(dev, VHOST_USER_GET_STATUS,
-				&status);
-	} else {
-		err = -ENOTSUP;
-	}
-
-	if (!err) {
+	ret = dev->ops->get_status(dev, &status);
+	if (!ret) {
 		dev->status = status;
 		PMD_INIT_LOG(DEBUG, "Updated Device Status(0x%08x):\n"
 			"\t-RESET: %u\n"
@@ -879,12 +854,11 @@ virtio_user_dev_update_status(struct virtio_user_dev *dev)
 			!!(dev->status & VIRTIO_CONFIG_STATUS_FEATURES_OK),
 			!!(dev->status & VIRTIO_CONFIG_STATUS_DEV_NEED_RESET),
 			!!(dev->status & VIRTIO_CONFIG_STATUS_FAILED));
-	} else if (err != -ENOTSUP) {
-		PMD_INIT_LOG(ERR, "VHOST_USER_GET_STATUS failed (%d): %s", err,
+	} else if (ret != -ENOTSUP) {
+		PMD_INIT_LOG(ERR, "Virtio-user get status failed (%d): %s", ret,
 			     strerror(errno));
 	}
 
-error:
 	pthread_mutex_unlock(&dev->mutex);
-	return err;
+	return ret;
 }
-- 
2.29.2


  parent reply	other threads:[~2021-01-26 10:22 UTC|newest]

Thread overview: 62+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-26 10:15 [dpdk-dev] [PATCH v4 00/44] net/virtio: Virtio PMD rework Maxime Coquelin
2021-01-26 10:15 ` [dpdk-dev] [PATCH v4 01/44] bus/vdev: add helper to get vdev from ethdev Maxime Coquelin
2021-01-26 10:15 ` [dpdk-dev] [PATCH v4 02/44] bus/vdev: add driver IOVA VA mode requirement Maxime Coquelin
2021-01-26 11:50   ` Xia, Chenbo
2021-01-26 12:50   ` David Marchand
2021-01-26 13:23     ` Kinsella, Ray
2021-01-26 14:40       ` David Marchand
2021-01-26 15:28         ` Kinsella, Ray
2021-01-27  8:23   ` David Marchand
2021-01-27  8:25     ` Maxime Coquelin
2021-01-26 10:15 ` [dpdk-dev] [PATCH v4 03/44] net/virtio: fix getting old status on reconnect Maxime Coquelin
2021-01-26 10:15 ` [dpdk-dev] [PATCH v4 04/44] net/virtio: introduce Virtio bus type Maxime Coquelin
2021-01-26 10:16 ` [dpdk-dev] [PATCH v4 05/44] net/virtio: refactor virtio-user device Maxime Coquelin
2021-01-26 10:16 ` [dpdk-dev] [PATCH v4 06/44] net/virtio: introduce PCI device metadata Maxime Coquelin
2021-01-26 10:16 ` [dpdk-dev] [PATCH v4 07/44] net/virtio: move PCI device init in dedicated file Maxime Coquelin
2021-01-26 10:16 ` [dpdk-dev] [PATCH v4 08/44] net/virtio: move PCI specific dev init to PCI ethdev init Maxime Coquelin
2021-01-26 10:16 ` [dpdk-dev] [PATCH v4 09/44] net/virtio: move MSIX detection to PCI ethdev Maxime Coquelin
2021-01-26 10:16 ` [dpdk-dev] [PATCH v4 10/44] net/virtio: force IOVA as VA mode for Virtio-user Maxime Coquelin
2021-01-26 10:16 ` [dpdk-dev] [PATCH v4 11/44] net/virtio: store PCI type in Virtio device metadata Maxime Coquelin
2021-01-26 10:16 ` [dpdk-dev] [PATCH v4 12/44] net/virtio: add callback for device closing Maxime Coquelin
2021-01-26 10:16 ` [dpdk-dev] [PATCH v4 13/44] net/virtio: validate features at bus level Maxime Coquelin
2021-01-26 10:16 ` [dpdk-dev] [PATCH v4 14/44] net/virtio: remove bus type enum Maxime Coquelin
2021-01-26 10:16 ` [dpdk-dev] [PATCH v4 15/44] net/virtio: move PCI-specific fields to PCI device Maxime Coquelin
2021-01-26 10:16 ` [dpdk-dev] [PATCH v4 16/44] net/virtio: pack virtio HW struct Maxime Coquelin
2021-01-26 10:16 ` [dpdk-dev] [PATCH v4 17/44] net/virtio: move legacy IO to Virtio PCI Maxime Coquelin
2021-01-26 10:16 ` [dpdk-dev] [PATCH v4 18/44] net/virtio: introduce generic virtio header Maxime Coquelin
2021-01-26 10:16 ` [dpdk-dev] [PATCH v4 19/44] net/virtio: move features definition to generic header Maxime Coquelin
2021-01-26 10:16 ` [dpdk-dev] [PATCH v4 20/44] net/virtio: move virtqueue defines in " Maxime Coquelin
2021-01-26 10:16 ` [dpdk-dev] [PATCH v4 21/44] net/virtio: move config definitions to " Maxime Coquelin
2021-01-26 10:16 ` [dpdk-dev] [PATCH v4 22/44] net/virtio: make interrupt handling more generic Maxime Coquelin
2021-01-26 10:16 ` [dpdk-dev] [PATCH v4 23/44] net/virtio: move vring alignment to generic header Maxime Coquelin
2021-01-26 10:16 ` [dpdk-dev] [PATCH v4 24/44] net/virtio: remove last PCI refs in non-PCI code Maxime Coquelin
2021-01-26 10:16 ` [dpdk-dev] [PATCH v4 25/44] net/virtio: make Vhost-user request sender consistent Maxime Coquelin
2021-01-26 10:16 ` [dpdk-dev] [PATCH v4 26/44] net/virtio: add Virtio-user ops to set owner Maxime Coquelin
2021-01-26 10:16 ` [dpdk-dev] [PATCH v4 27/44] net/virtio: add Virtio-user features ops Maxime Coquelin
2021-01-26 10:16 ` [dpdk-dev] [PATCH v4 28/44] net/virtio: add Virtio-user protocol " Maxime Coquelin
2021-01-26 10:16 ` [dpdk-dev] [PATCH v4 29/44] net/virtio: add Virtio-user memory tables ops Maxime Coquelin
2021-01-26 10:16 ` [dpdk-dev] [PATCH v4 30/44] net/virtio: add Virtio-user vring setting ops Maxime Coquelin
2021-01-26 10:16 ` [dpdk-dev] [PATCH v4 31/44] net/virtio: add Virtio-user vring file ops Maxime Coquelin
2021-01-26 10:16 ` [dpdk-dev] [PATCH v4 32/44] net/virtio: add Virtio-user vring address ops Maxime Coquelin
2021-01-26 10:16 ` Maxime Coquelin [this message]
2021-01-26 10:16 ` [dpdk-dev] [PATCH v4 34/44] net/virtio: remove useless request ops Maxime Coquelin
2021-01-26 10:16 ` [dpdk-dev] [PATCH v4 35/44] net/virtio: improve Virtio-user errors handling Maxime Coquelin
2021-01-26 10:16 ` [dpdk-dev] [PATCH v4 36/44] net/virtio: move Vhost-user requests to Vhost-user backend Maxime Coquelin
2021-01-26 10:16 ` [dpdk-dev] [PATCH v4 37/44] net/virtio: make server mode blocking Maxime Coquelin
2021-01-26 10:16 ` [dpdk-dev] [PATCH v4 38/44] net/virtio: move protocol features to Vhost-user Maxime Coquelin
2021-01-26 10:16 ` [dpdk-dev] [PATCH v4 39/44] net/virtio: introduce backend data Maxime Coquelin
2021-01-26 10:16 ` [dpdk-dev] [PATCH v4 40/44] net/virtio: move Vhost-user specifics to its backend Maxime Coquelin
2021-01-26 10:16 ` [dpdk-dev] [PATCH v4 41/44] net/virtio: move Vhost-kernel data " Maxime Coquelin
2021-01-26 10:16 ` [dpdk-dev] [PATCH v4 42/44] net/virtio: move Vhost-vDPA " Maxime Coquelin
2021-01-26 10:16 ` [dpdk-dev] [PATCH v4 43/44] net/virtio: improve Vhost-user error logging Maxime Coquelin
2021-01-26 10:16 ` [dpdk-dev] [PATCH v4 44/44] net/virtio: handle Virtio-user setup failure properly Maxime Coquelin
2021-01-26 12:02   ` Xia, Chenbo
2021-01-26 12:59     ` Maxime Coquelin
2021-01-27 11:59 ` [dpdk-dev] [PATCH v4 00/44] net/virtio: Virtio PMD rework Maxime Coquelin
2021-02-01  8:44 ` Wang, Yinan
2021-02-01  8:49   ` Maxime Coquelin
2021-02-01 13:00 ` Ilya Maximets
2021-02-01 13:03   ` Ilya Maximets
2021-02-01 13:16     ` Maxime Coquelin
2021-02-01 13:42       ` Ilya Maximets
2021-02-01 13:51         ` Maxime Coquelin

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DPDK patches and discussions

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	git clone --mirror https://inbox.dpdk.org/dev/0 dev/git/0.git

	# If you have public-inbox 1.1+ installed, you may
	# initialize and index your mirror using the following commands:
	public-inbox-init -V2 dev dev/ https://inbox.dpdk.org/dev \
		dev@dpdk.org
	public-inbox-index dev

Example config snippet for mirrors.
Newsgroup available over NNTP:
	nntp://inbox.dpdk.org/inbox.dpdk.dev


AGPL code for this site: git clone https://public-inbox.org/public-inbox.git