Add a new API rte_eth_dev_get_supported_ptypes to query what packet types
can be filled by given already started device (or its pmd rx burst function
has already been decided).
Signed-off-by: Jianfeng Tan
Acked-by: Konstantin Ananyev
Acked-by: Adrien Mazarguil
---
lib/librte_ether/rte_ethdev.c | 27 +++
lib/librte_ether/rte_ethdev.h | 27 +++
lib/librte_ether/rte_ether_version.map | 5 +
3 files changed, 59 insertions(+)
diff --git a/lib/librte_ether/rte_ethdev.c b/lib/librte_ether/rte_ethdev.c
index a6e83c1..52fb62c 100644
--- a/lib/librte_ether/rte_ethdev.c
+++ b/lib/librte_ether/rte_ethdev.c
@@ -1616,6 +1616,33 @@ rte_eth_dev_info_get(uint8_t port_id, struct
rte_eth_dev_info *dev_info)
dev_info->driver_name = dev->data->drv_name;
}
+int
+rte_eth_dev_get_supported_ptypes(uint8_t port_id, uint32_t ptype_mask,
+uint32_t *ptypes, int num)
+{
+ int i, j;
+ struct rte_eth_dev *dev;
+ const uint32_t *all_ptypes;
+
+ RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
+ dev = _eth_devices[port_id];
+ RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_supported_ptypes_get,
+ -ENOTSUP);
+ all_ptypes = (*dev->dev_ops->dev_supported_ptypes_get)(dev);
+
+ if (!all_ptypes)
+ return 0;
+
+ for (i = 0, j = 0; all_ptypes[i] != RTE_PTYPE_UNKNOWN; ++i)
+ if (all_ptypes[i] & ptype_mask) {
+ if (j < num)
+ ptypes[j] = all_ptypes[i];
+ j++;
+ }
+
+ return j;
+}
+
void
rte_eth_macaddr_get(uint8_t port_id, struct ether_addr *mac_addr)
{
diff --git a/lib/librte_ether/rte_ethdev.h b/lib/librte_ether/rte_ethdev.h
index e2893ba..7770f24 100644
--- a/lib/librte_ether/rte_ethdev.h
+++ b/lib/librte_ether/rte_ethdev.h
@@ -1021,6 +1021,9 @@ typedef void (*eth_dev_infos_get_t)(struct rte_eth_dev
*dev,
struct rte_eth_dev_info *dev_info);
/**< @internal Get specific informations of an Ethernet device. */
+typedef const uint32_t *(*eth_dev_supported_ptypes_get_t)(struct rte_eth_dev
*dev);
+/**< @internal Get supported ptypes of an Ethernet device. */
+
typedef int (*eth_queue_start_t)(struct rte_eth_dev *dev,
uint16_t queue_id);
/**< @internal Start rx and tx of a queue of an Ethernet device. */
@@ -1347,6 +1350,7 @@ struct eth_dev_ops {
eth_queue_stats_mapping_set_t queue_stats_mapping_set;
/**< Configure per queue stat counter mapping. */
eth_dev_infos_get_tdev_infos_get; /**< Get device info. */
+ eth_dev_supported_ptypes_get_t dev_supported_ptypes_get; /** Get
supported ptypes */
mtu_set_t mtu_set; /**< Set MTU. */
vlan_filter_set_t vlan_filter_set; /**< Filter VLAN Setup. */
vlan_tpid_set_tvlan_tpid_set; /**< Outer VLAN TPID
Setup. */
@@ -2270,6 +2274,29 @@ void rte_eth_macaddr_get(uint8_t port_id, struct
ether_addr *mac_addr);
void rte_eth_dev_info_get(uint8_t port_id, struct rte_eth_dev_info *dev_info);
/**
+ * Retrieve the supported packet types of an Ethernet device.
+ *
+ * @note
+ * Better to invoke this API after the device is already started or rx burst
+ * function is decided, to obtain correct supported ptypes.
+ * @param port_id
+ * The port identifier of the Ethernet device.
+ * @param ptype_mask
+ * A hint of what kind of packet type which the caller is interested in.
+ * @param ptypes
+ * An array pointer to store adequent packet types, allocated by caller.
+ * @param num
+ * Size of the array pointed by param ptypes.
+ * @return
+ * - (>0) Number of supported ptypes. If it exceeds param num, exceeding
+ * packet types will not be filled in the given array.
+ * - (0 or -ENOTSUP) if PMD does not fill the specified ptype.
+ * - (-ENODEV) if *port_id* invalid.
+ */
+int rte_eth_dev_get_supported_ptypes(uint8_t port_id, uint32_t ptype_mask,
+uint32_t *ptypes, int num);
+
+/**
* Retrieve the MTU of an Ethernet device.
*
* @param port_id
diff --git a/lib/librte_ether/rte_ether_version.map
b/lib/librte_ether/rte_ether_version.map
index d8db24d..0f00dcb 100644
--- a/lib/librte_ether/rte_ether_version.map
+++ b/lib/librte_ether/rte_ether_version.map
@@ -117,3 +117,8 @@ DPDK_2.2 {
local: *;
};
+DPDK_16.04 {
+ rte_eth_dev_get_supported_ptypes;
+
+ local: *;
+} DPDK_2.2;
--
2.1.4
