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* [dpdk-dev] [PATCH] eth_dev: make ether dev_ops const
@ 2015-04-06 18:04 Stephen Hemminger
  2015-04-07 17:21 ` Don Provan
  0 siblings, 1 reply; 4+ messages in thread
From: Stephen Hemminger @ 2015-04-06 18:04 UTC (permalink / raw)
  To: dev

Ethernet device function tables should be immutable for correctness
and security. Special case for the test code driver.

Also reindent a couple of places where the table was indented
in a non-standard way.

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
---
 app/test/virtual_pmd.c                       | 78 +++++++++++++++-------------
 lib/librte_ether/rte_ethdev.h                |  2 +-
 lib/librte_pmd_af_packet/rte_eth_af_packet.c |  2 +-
 lib/librte_pmd_e1000/em_ethdev.c             |  2 +-
 lib/librte_pmd_e1000/igb_ethdev.c            |  4 +-
 lib/librte_pmd_enic/enic_ethdev.c            |  2 +-
 lib/librte_pmd_fm10k/fm10k_ethdev.c          |  2 +-
 lib/librte_pmd_i40e/i40e_ethdev.c            |  2 +-
 lib/librte_pmd_i40e/i40e_ethdev_vf.c         |  2 +-
 lib/librte_pmd_ixgbe/ixgbe_ethdev.c          |  5 +-
 lib/librte_pmd_mlx4/mlx4.c                   |  2 +-
 lib/librte_pmd_null/rte_eth_null.c           | 24 ++++-----
 lib/librte_pmd_pcap/rte_eth_pcap.c           | 26 +++++-----
 lib/librte_pmd_ring/rte_eth_ring.c           | 32 ++++++------
 lib/librte_pmd_virtio/virtio_ethdev.c        |  2 +-
 lib/librte_pmd_vmxnet3/vmxnet3_ethdev.c      |  2 +-
 lib/librte_pmd_xenvirt/rte_eth_xenvirt.c     | 26 +++++-----
 17 files changed, 111 insertions(+), 104 deletions(-)

diff --git a/app/test/virtual_pmd.c b/app/test/virtual_pmd.c
index f163562..f579558 100644
--- a/app/test/virtual_pmd.c
+++ b/app/test/virtual_pmd.c
@@ -241,33 +241,39 @@ virtual_ethdev_promiscuous_mode_disable(struct rte_eth_dev *dev __rte_unused)
 {}
 
 
-static struct eth_dev_ops virtual_ethdev_default_dev_ops = {
-		.dev_configure = virtual_ethdev_configure_success,
-		.dev_start = virtual_ethdev_start_success,
-		.dev_stop = virtual_ethdev_stop,
-		.dev_close = virtual_ethdev_close,
-		.dev_infos_get = virtual_ethdev_info_get,
-		.rx_queue_setup = virtual_ethdev_rx_queue_setup_success,
-		.tx_queue_setup = virtual_ethdev_tx_queue_setup_success,
-		.rx_queue_release = virtual_ethdev_rx_queue_release,
-		.tx_queue_release = virtual_ethdev_tx_queue_release,
-		.link_update = virtual_ethdev_link_update_success,
-		.stats_get = virtual_ethdev_stats_get,
-		.stats_reset = virtual_ethdev_stats_reset,
-		.promiscuous_enable = virtual_ethdev_promiscuous_mode_enable,
-		.promiscuous_disable = virtual_ethdev_promiscuous_mode_disable
+static const struct eth_dev_ops virtual_ethdev_default_dev_ops = {
+	.dev_configure = virtual_ethdev_configure_success,
+	.dev_start = virtual_ethdev_start_success,
+	.dev_stop = virtual_ethdev_stop,
+	.dev_close = virtual_ethdev_close,
+	.dev_infos_get = virtual_ethdev_info_get,
+	.rx_queue_setup = virtual_ethdev_rx_queue_setup_success,
+	.tx_queue_setup = virtual_ethdev_tx_queue_setup_success,
+	.rx_queue_release = virtual_ethdev_rx_queue_release,
+	.tx_queue_release = virtual_ethdev_tx_queue_release,
+	.link_update = virtual_ethdev_link_update_success,
+	.stats_get = virtual_ethdev_stats_get,
+	.stats_reset = virtual_ethdev_stats_reset,
+	.promiscuous_enable = virtual_ethdev_promiscuous_mode_enable,
+	.promiscuous_disable = virtual_ethdev_promiscuous_mode_disable
 };
 
-
+/* This driver uses private mutable eth_dev_ops for each
+ * instance so it is safe to override const here.
+ */
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wcast-qual"
 void
 virtual_ethdev_start_fn_set_success(uint8_t port_id, uint8_t success)
 {
 	struct rte_eth_dev *vrtl_eth_dev = &rte_eth_devices[port_id];
+	struct eth_dev_ops *dev_ops
+		= (struct eth_dev_ops *) vrtl_eth_dev->dev_ops;
 
 	if (success)
-		vrtl_eth_dev->dev_ops->dev_start = virtual_ethdev_start_success;
+		dev_ops->dev_start = virtual_ethdev_start_success;
 	else
-		vrtl_eth_dev->dev_ops->dev_start = virtual_ethdev_start_fail;
+		dev_ops->dev_start = virtual_ethdev_start_fail;
 
 }
 
@@ -275,50 +281,54 @@ void
 virtual_ethdev_configure_fn_set_success(uint8_t port_id, uint8_t success)
 {
 	struct rte_eth_dev *vrtl_eth_dev = &rte_eth_devices[port_id];
+	struct eth_dev_ops *dev_ops
+		= (struct eth_dev_ops *) vrtl_eth_dev->dev_ops;
 
 	if (success)
-		vrtl_eth_dev->dev_ops->dev_configure = virtual_ethdev_configure_success;
+		dev_ops->dev_configure = virtual_ethdev_configure_success;
 	else
-		vrtl_eth_dev->dev_ops->dev_configure = virtual_ethdev_configure_fail;
+		dev_ops->dev_configure = virtual_ethdev_configure_fail;
 }
 
 void
 virtual_ethdev_rx_queue_setup_fn_set_success(uint8_t port_id, uint8_t success)
 {
 	struct rte_eth_dev *vrtl_eth_dev = &rte_eth_devices[port_id];
+	struct eth_dev_ops *dev_ops
+		= (struct eth_dev_ops *) vrtl_eth_dev->dev_ops;
 
 	if (success)
-		vrtl_eth_dev->dev_ops->rx_queue_setup =
-				virtual_ethdev_rx_queue_setup_success;
+		dev_ops->rx_queue_setup = virtual_ethdev_rx_queue_setup_success;
 	else
-		vrtl_eth_dev->dev_ops->rx_queue_setup =
-				virtual_ethdev_rx_queue_setup_fail;
+		dev_ops->rx_queue_setup = virtual_ethdev_rx_queue_setup_fail;
 }
 
 void
 virtual_ethdev_tx_queue_setup_fn_set_success(uint8_t port_id, uint8_t success)
 {
 	struct rte_eth_dev *vrtl_eth_dev = &rte_eth_devices[port_id];
+	struct eth_dev_ops *dev_ops
+		= (struct eth_dev_ops *) vrtl_eth_dev->dev_ops;
 
 	if (success)
-		vrtl_eth_dev->dev_ops->tx_queue_setup =
-				virtual_ethdev_tx_queue_setup_success;
+		dev_ops->tx_queue_setup = virtual_ethdev_tx_queue_setup_success;
 	else
-		vrtl_eth_dev->dev_ops->tx_queue_setup =
-				virtual_ethdev_tx_queue_setup_fail;
+		dev_ops->tx_queue_setup = virtual_ethdev_tx_queue_setup_fail;
 }
 
 void
 virtual_ethdev_link_update_fn_set_success(uint8_t port_id, uint8_t success)
 {
 	struct rte_eth_dev *vrtl_eth_dev = &rte_eth_devices[port_id];
+	struct eth_dev_ops *dev_ops
+		= (struct eth_dev_ops *) vrtl_eth_dev->dev_ops;
 
 	if (success)
-		vrtl_eth_dev->dev_ops->link_update = virtual_ethdev_link_update_success;
+		dev_ops->link_update = virtual_ethdev_link_update_success;
 	else
-		vrtl_eth_dev->dev_ops->link_update = virtual_ethdev_link_update_fail;
+		dev_ops->link_update = virtual_ethdev_link_update_fail;
 }
-
+#pragma GCC diagnostic pop
 
 static uint16_t
 virtual_ethdev_rx_burst_success(void *queue __rte_unused,
@@ -620,11 +630,9 @@ virtual_ethdev_create(const char *name, struct ether_addr *mac_addr,
 
 	eth_dev->data->dev_private = dev_private;
 
-	eth_dev->dev_ops = dev_ops;
-
 	/* Copy default device operation functions */
-	memcpy(eth_dev->dev_ops, &virtual_ethdev_default_dev_ops,
-			sizeof(*eth_dev->dev_ops));
+	*dev_ops = virtual_ethdev_default_dev_ops;
+	eth_dev->dev_ops = dev_ops;
 
 	eth_dev->pci_dev = pci_dev;
 	eth_dev->pci_dev->driver = &eth_drv->pci_drv;
diff --git a/lib/librte_ether/rte_ethdev.h b/lib/librte_ether/rte_ethdev.h
index e8df027..46a55ff 100644
--- a/lib/librte_ether/rte_ethdev.h
+++ b/lib/librte_ether/rte_ethdev.h
@@ -1472,7 +1472,7 @@ struct rte_eth_dev {
 	eth_tx_burst_t tx_pkt_burst; /**< Pointer to PMD transmit function. */
 	struct rte_eth_dev_data *data;  /**< Pointer to device data */
 	const struct eth_driver *driver;/**< Driver for this device */
-	struct eth_dev_ops *dev_ops;    /**< Functions exported by PMD */
+	const struct eth_dev_ops *dev_ops; /**< Functions exported by PMD */
 	struct rte_pci_device *pci_dev; /**< PCI info. supplied by probing */
 	/** User application callbacks for NIC interrupts */
 	struct rte_eth_dev_cb_list link_intr_cbs;
diff --git a/lib/librte_pmd_af_packet/rte_eth_af_packet.c b/lib/librte_pmd_af_packet/rte_eth_af_packet.c
index 2ac50ba..1bea12f 100644
--- a/lib/librte_pmd_af_packet/rte_eth_af_packet.c
+++ b/lib/librte_pmd_af_packet/rte_eth_af_packet.c
@@ -384,7 +384,7 @@ eth_tx_queue_setup(struct rte_eth_dev *dev,
 	return 0;
 }
 
-static struct eth_dev_ops ops = {
+static const struct eth_dev_ops ops = {
 	.dev_start = eth_dev_start,
 	.dev_stop = eth_dev_stop,
 	.dev_close = eth_dev_close,
diff --git a/lib/librte_pmd_e1000/em_ethdev.c b/lib/librte_pmd_e1000/em_ethdev.c
index 76f45c9..12ecf5f 100644
--- a/lib/librte_pmd_e1000/em_ethdev.c
+++ b/lib/librte_pmd_e1000/em_ethdev.c
@@ -133,7 +133,7 @@ static struct rte_pci_id pci_id_em_map[] = {
 {.device_id = 0},
 };
 
-static struct eth_dev_ops eth_em_ops = {
+static const struct eth_dev_ops eth_em_ops = {
 	.dev_configure        = eth_em_configure,
 	.dev_start            = eth_em_start,
 	.dev_stop             = eth_em_stop,
diff --git a/lib/librte_pmd_e1000/igb_ethdev.c b/lib/librte_pmd_e1000/igb_ethdev.c
index b3892a5..1ea2d38 100644
--- a/lib/librte_pmd_e1000/igb_ethdev.c
+++ b/lib/librte_pmd_e1000/igb_ethdev.c
@@ -235,7 +235,7 @@ static struct rte_pci_id pci_id_igbvf_map[] = {
 {.device_id = 0},
 };
 
-static struct eth_dev_ops eth_igb_ops = {
+static const struct eth_dev_ops eth_igb_ops = {
 	.dev_configure        = eth_igb_configure,
 	.dev_start            = eth_igb_start,
 	.dev_stop             = eth_igb_stop,
@@ -275,7 +275,7 @@ static struct eth_dev_ops eth_igb_ops = {
  * dev_ops for virtual function, bare necessities for basic vf
  * operation have been implemented
  */
-static struct eth_dev_ops igbvf_eth_dev_ops = {
+static const struct eth_dev_ops igbvf_eth_dev_ops = {
 	.dev_configure        = igbvf_dev_configure,
 	.dev_start            = igbvf_dev_start,
 	.dev_stop             = igbvf_dev_stop,
diff --git a/lib/librte_pmd_enic/enic_ethdev.c b/lib/librte_pmd_enic/enic_ethdev.c
index 4950ede..742925a 100644
--- a/lib/librte_pmd_enic/enic_ethdev.c
+++ b/lib/librte_pmd_enic/enic_ethdev.c
@@ -503,7 +503,7 @@ static uint16_t enicpmd_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts,
 	return work_done;
 }
 
-static struct eth_dev_ops enicpmd_eth_dev_ops = {
+static const struct eth_dev_ops enicpmd_eth_dev_ops = {
 	.dev_configure        = enicpmd_dev_configure,
 	.dev_start            = enicpmd_dev_start,
 	.dev_stop             = enicpmd_dev_stop,
diff --git a/lib/librte_pmd_fm10k/fm10k_ethdev.c b/lib/librte_pmd_fm10k/fm10k_ethdev.c
index 0c7a80c..1a96cf2 100644
--- a/lib/librte_pmd_fm10k/fm10k_ethdev.c
+++ b/lib/librte_pmd_fm10k/fm10k_ethdev.c
@@ -1651,7 +1651,7 @@ fm10k_close_mbx_service(struct fm10k_hw *hw)
 	hw->mbx.ops.disconnect(hw, &hw->mbx);
 }
 
-static struct eth_dev_ops fm10k_eth_dev_ops = {
+static const struct eth_dev_ops fm10k_eth_dev_ops = {
 	.dev_configure		= fm10k_dev_configure,
 	.dev_start		= fm10k_dev_start,
 	.dev_stop		= fm10k_dev_stop,
diff --git a/lib/librte_pmd_i40e/i40e_ethdev.c b/lib/librte_pmd_i40e/i40e_ethdev.c
index 6b8f96e..dc44764 100644
--- a/lib/librte_pmd_i40e/i40e_ethdev.c
+++ b/lib/librte_pmd_i40e/i40e_ethdev.c
@@ -218,7 +218,7 @@ static struct rte_pci_id pci_id_i40e_map[] = {
 { .vendor_id = 0, /* sentinel */ },
 };
 
-static struct eth_dev_ops i40e_eth_dev_ops = {
+static const struct eth_dev_ops i40e_eth_dev_ops = {
 	.dev_configure                = i40e_dev_configure,
 	.dev_start                    = i40e_dev_start,
 	.dev_stop                     = i40e_dev_stop,
diff --git a/lib/librte_pmd_i40e/i40e_ethdev_vf.c b/lib/librte_pmd_i40e/i40e_ethdev_vf.c
index c985e4a..4581c5b 100644
--- a/lib/librte_pmd_i40e/i40e_ethdev_vf.c
+++ b/lib/librte_pmd_i40e/i40e_ethdev_vf.c
@@ -148,7 +148,7 @@ static int i40evf_dev_rss_hash_conf_get(struct rte_eth_dev *dev,
 /* Default hash key buffer for RSS */
 static uint32_t rss_key_default[I40E_VFQF_HKEY_MAX_INDEX + 1];
 
-static struct eth_dev_ops i40evf_eth_dev_ops = {
+static const struct eth_dev_ops i40evf_eth_dev_ops = {
 	.dev_configure        = i40evf_dev_configure,
 	.dev_start            = i40evf_dev_start,
 	.dev_stop             = i40evf_dev_stop,
diff --git a/lib/librte_pmd_ixgbe/ixgbe_ethdev.c b/lib/librte_pmd_ixgbe/ixgbe_ethdev.c
index 5caee22..a7ac866 100644
--- a/lib/librte_pmd_ixgbe/ixgbe_ethdev.c
+++ b/lib/librte_pmd_ixgbe/ixgbe_ethdev.c
@@ -317,7 +317,7 @@ static struct rte_pci_id pci_id_ixgbevf_map[] = {
 
 };
 
-static struct eth_dev_ops ixgbe_eth_dev_ops = {
+static const struct eth_dev_ops ixgbe_eth_dev_ops = {
 	.dev_configure        = ixgbe_dev_configure,
 	.dev_start            = ixgbe_dev_start,
 	.dev_stop             = ixgbe_dev_stop,
@@ -387,8 +387,7 @@ static struct eth_dev_ops ixgbe_eth_dev_ops = {
  * dev_ops for virtual function, bare necessities for basic vf
  * operation have been implemented
  */
-static struct eth_dev_ops ixgbevf_eth_dev_ops = {
-
+static const struct eth_dev_ops ixgbevf_eth_dev_ops = {
 	.dev_configure        = ixgbevf_dev_configure,
 	.dev_start            = ixgbevf_dev_start,
 	.dev_stop             = ixgbevf_dev_stop,
diff --git a/lib/librte_pmd_mlx4/mlx4.c b/lib/librte_pmd_mlx4/mlx4.c
index fa749f4..d4d600a 100644
--- a/lib/librte_pmd_mlx4/mlx4.c
+++ b/lib/librte_pmd_mlx4/mlx4.c
@@ -4162,7 +4162,7 @@ mlx4_vlan_filter_set(struct rte_eth_dev *dev, uint16_t vlan_id, int on)
 	return -ret;
 }
 
-static struct eth_dev_ops mlx4_dev_ops = {
+static const struct eth_dev_ops mlx4_dev_ops = {
 	.dev_configure = mlx4_dev_configure,
 	.dev_start = mlx4_dev_start,
 	.dev_stop = mlx4_dev_stop,
diff --git a/lib/librte_pmd_null/rte_eth_null.c b/lib/librte_pmd_null/rte_eth_null.c
index 0e18502..c78c0c1 100644
--- a/lib/librte_pmd_null/rte_eth_null.c
+++ b/lib/librte_pmd_null/rte_eth_null.c
@@ -363,18 +363,18 @@ static int
 eth_link_update(struct rte_eth_dev *dev __rte_unused,
 		int wait_to_complete __rte_unused) { return 0; }
 
-static 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,
-		.rx_queue_setup = eth_rx_queue_setup,
-		.tx_queue_setup = eth_tx_queue_setup,
-		.rx_queue_release = eth_queue_release,
-		.tx_queue_release = eth_queue_release,
-		.link_update = eth_link_update,
-		.stats_get = eth_stats_get,
-		.stats_reset = eth_stats_reset,
+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,
+	.rx_queue_setup = eth_rx_queue_setup,
+	.tx_queue_setup = eth_tx_queue_setup,
+	.rx_queue_release = eth_queue_release,
+	.tx_queue_release = eth_queue_release,
+	.link_update = eth_link_update,
+	.stats_get = eth_stats_get,
+	.stats_reset = eth_stats_reset,
 };
 
 static int
diff --git a/lib/librte_pmd_pcap/rte_eth_pcap.c b/lib/librte_pmd_pcap/rte_eth_pcap.c
index 204ae68..a4f4d36 100644
--- a/lib/librte_pmd_pcap/rte_eth_pcap.c
+++ b/lib/librte_pmd_pcap/rte_eth_pcap.c
@@ -483,19 +483,19 @@ eth_tx_queue_setup(struct rte_eth_dev *dev,
 	return 0;
 }
 
-static struct eth_dev_ops ops = {
-		.dev_start = eth_dev_start,
-		.dev_stop =	eth_dev_stop,
-		.dev_close = eth_dev_close,
-		.dev_configure = eth_dev_configure,
-		.dev_infos_get = eth_dev_info,
-		.rx_queue_setup = eth_rx_queue_setup,
-		.tx_queue_setup = eth_tx_queue_setup,
-		.rx_queue_release = eth_queue_release,
-		.tx_queue_release = eth_queue_release,
-		.link_update = eth_link_update,
-		.stats_get = eth_stats_get,
-		.stats_reset = eth_stats_reset,
+static const struct eth_dev_ops ops = {
+	.dev_start = eth_dev_start,
+	.dev_stop =	eth_dev_stop,
+	.dev_close = eth_dev_close,
+	.dev_configure = eth_dev_configure,
+	.dev_infos_get = eth_dev_info,
+	.rx_queue_setup = eth_rx_queue_setup,
+	.tx_queue_setup = eth_tx_queue_setup,
+	.rx_queue_release = eth_queue_release,
+	.tx_queue_release = eth_queue_release,
+	.link_update = eth_link_update,
+	.stats_get = eth_stats_get,
+	.stats_reset = eth_stats_reset,
 };
 
 static struct eth_driver rte_pcap_pmd = {
diff --git a/lib/librte_pmd_ring/rte_eth_ring.c b/lib/librte_pmd_ring/rte_eth_ring.c
index 1e66d4e..efb50d0 100644
--- a/lib/librte_pmd_ring/rte_eth_ring.c
+++ b/lib/librte_pmd_ring/rte_eth_ring.c
@@ -234,22 +234,22 @@ static int
 eth_link_update(struct rte_eth_dev *dev __rte_unused,
 		int wait_to_complete __rte_unused) { return 0; }
 
-static struct eth_dev_ops ops = {
-		.dev_start = eth_dev_start,
-		.dev_stop = eth_dev_stop,
-		.dev_set_link_up = eth_dev_set_link_up,
-		.dev_set_link_down = eth_dev_set_link_down,
-		.dev_configure = eth_dev_configure,
-		.dev_infos_get = eth_dev_info,
-		.rx_queue_setup = eth_rx_queue_setup,
-		.tx_queue_setup = eth_tx_queue_setup,
-		.rx_queue_release = eth_queue_release,
-		.tx_queue_release = eth_queue_release,
-		.link_update = eth_link_update,
-		.stats_get = eth_stats_get,
-		.stats_reset = eth_stats_reset,
-		.mac_addr_remove = eth_mac_addr_remove,
-		.mac_addr_add = eth_mac_addr_add,
+static const struct eth_dev_ops ops = {
+	.dev_start = eth_dev_start,
+	.dev_stop = eth_dev_stop,
+	.dev_set_link_up = eth_dev_set_link_up,
+	.dev_set_link_down = eth_dev_set_link_down,
+	.dev_configure = eth_dev_configure,
+	.dev_infos_get = eth_dev_info,
+	.rx_queue_setup = eth_rx_queue_setup,
+	.tx_queue_setup = eth_tx_queue_setup,
+	.rx_queue_release = eth_queue_release,
+	.tx_queue_release = eth_queue_release,
+	.link_update = eth_link_update,
+	.stats_get = eth_stats_get,
+	.stats_reset = eth_stats_reset,
+	.mac_addr_remove = eth_mac_addr_remove,
+	.mac_addr_add = eth_mac_addr_add,
 };
 
 int
diff --git a/lib/librte_pmd_virtio/virtio_ethdev.c b/lib/librte_pmd_virtio/virtio_ethdev.c
index 7b83d9b..ffa26a0 100644
--- a/lib/librte_pmd_virtio/virtio_ethdev.c
+++ b/lib/librte_pmd_virtio/virtio_ethdev.c
@@ -499,7 +499,7 @@ virtio_dev_allmulticast_disable(struct rte_eth_dev *dev)
 /*
  * dev_ops for virtio, bare necessities for basic operation
  */
-static struct eth_dev_ops virtio_eth_dev_ops = {
+static const struct eth_dev_ops virtio_eth_dev_ops = {
 	.dev_configure           = virtio_dev_configure,
 	.dev_start               = virtio_dev_start,
 	.dev_stop                = virtio_dev_stop,
diff --git a/lib/librte_pmd_vmxnet3/vmxnet3_ethdev.c b/lib/librte_pmd_vmxnet3/vmxnet3_ethdev.c
index 458dce5..577e0f9 100644
--- a/lib/librte_pmd_vmxnet3/vmxnet3_ethdev.c
+++ b/lib/librte_pmd_vmxnet3/vmxnet3_ethdev.c
@@ -99,7 +99,7 @@ static struct rte_pci_id pci_id_vmxnet3_map[] = {
 { .vendor_id = 0, /* sentinel */ },
 };
 
-static struct eth_dev_ops vmxnet3_eth_dev_ops = {
+static const struct eth_dev_ops vmxnet3_eth_dev_ops = {
 	.dev_configure        = vmxnet3_dev_configure,
 	.dev_start            = vmxnet3_dev_start,
 	.dev_stop             = vmxnet3_dev_stop,
diff --git a/lib/librte_pmd_xenvirt/rte_eth_xenvirt.c b/lib/librte_pmd_xenvirt/rte_eth_xenvirt.c
index bc403d6..4396141 100644
--- a/lib/librte_pmd_xenvirt/rte_eth_xenvirt.c
+++ b/lib/librte_pmd_xenvirt/rte_eth_xenvirt.c
@@ -526,19 +526,19 @@ eth_tx_queue_setup(struct rte_eth_dev *dev, uint16_t tx_queue_id,
 
 
 
-static struct eth_dev_ops ops = {
-		.dev_start = eth_dev_start,
-		.dev_stop = eth_dev_stop,
-		.dev_close = eth_dev_close,
-		.dev_configure = eth_dev_configure,
-		.dev_infos_get = eth_dev_info,
-		.rx_queue_setup = eth_rx_queue_setup,
-		.tx_queue_setup = eth_tx_queue_setup,
-		.rx_queue_release = eth_queue_release,
-		.tx_queue_release = eth_queue_release,
-		.link_update = eth_link_update,
-		.stats_get = eth_stats_get,
-		.stats_reset = eth_stats_reset,
+static const struct eth_dev_ops ops = {
+	.dev_start = eth_dev_start,
+	.dev_stop = eth_dev_stop,
+	.dev_close = eth_dev_close,
+	.dev_configure = eth_dev_configure,
+	.dev_infos_get = eth_dev_info,
+	.rx_queue_setup = eth_rx_queue_setup,
+	.tx_queue_setup = eth_tx_queue_setup,
+	.rx_queue_release = eth_queue_release,
+	.tx_queue_release = eth_queue_release,
+	.link_update = eth_link_update,
+	.stats_get = eth_stats_get,
+	.stats_reset = eth_stats_reset,
 };
 
 
-- 
2.1.4

^ permalink raw reply	[flat|nested] 4+ messages in thread

end of thread, other threads:[~2015-04-08  5:45 UTC | newest]

Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2015-04-06 18:04 [dpdk-dev] [PATCH] eth_dev: make ether dev_ops const Stephen Hemminger
2015-04-07 17:21 ` Don Provan
2015-04-07 18:46   ` Stephen Hemminger
2015-04-08  5:45     ` [dpdk-dev] working with pthreads and Processes in parallel Nissim Nisimov

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