diff options
Diffstat (limited to 'host/lib/include/uhdlib/transport/uhd-dpdk.h')
| -rw-r--r-- | host/lib/include/uhdlib/transport/uhd-dpdk.h | 33 |
1 files changed, 26 insertions, 7 deletions
diff --git a/host/lib/include/uhdlib/transport/uhd-dpdk.h b/host/lib/include/uhdlib/transport/uhd-dpdk.h index 8d46912bd..ae7d31383 100644 --- a/host/lib/include/uhdlib/transport/uhd-dpdk.h +++ b/host/lib/include/uhdlib/transport/uhd-dpdk.h @@ -31,12 +31,22 @@ enum uhd_dpdk_sock_type { }; /** - * Init UHD-DPDK environment and bring up ports (link UP). - * - * Offload capabilities will be used if available + * Init UHD-DPDK environment, including DPDK's EAL. + * This will make available information about the DPDK-assigned NIC devices. * * @param argc passed directly to rte_eal_init() * @param argv passed directly to rte_eal_init() + * + * @return Returns negative error code if there were issues, else 0 + */ +int uhd_dpdk_init(int argc, const char **argv); + +/** + * Start UHD-DPDK networking stack. Bring ports up (link UP). + * uhd_dpdk_init() must be called first. + * + * Offload capabilities will be used if available + * * @param num_ports number of network interfaces to map * @param port_thread_mapping array of num_ports entries specifying which thread * will drive the I/O for a given port (determined by array index) @@ -47,9 +57,8 @@ enum uhd_dpdk_sock_type { * * @return Returns negative error code if there were issues, else 0 */ -int uhd_dpdk_init(int argc, const char **argv, unsigned int num_ports, - int *port_thread_mapping, int num_mbufs, int mbuf_cache_size, - int mtu); +int uhd_dpdk_start(unsigned int num_ports, int *port_thread_mapping, + int num_mbufs, int mbuf_cache_size, int mtu); /** * @return Returns number of ports registered to DPDK. @@ -58,6 +67,12 @@ int uhd_dpdk_init(int argc, const char **argv, unsigned int num_ports, int uhd_dpdk_port_count(void); /** + * @return Returns 0 if link is down, 1 if link is up, and negative error code + * if error occurred. + */ +int uhd_dpdk_port_link_status(unsigned int portid); + +/** * @return Returns Ethernet MAC address of requested port * * @param portid ID number of network interface @@ -121,17 +136,21 @@ int uhd_dpdk_sock_close(struct uhd_dpdk_socket *sock); /** * Arguments for a UDP socket - * All data should be provided in network format + * All address/port data should be provided in network format */ struct uhd_dpdk_sockarg_udp { /*! True for TX socket, false for RX socket */ bool is_tx; + /*! True to filter broadcast packets, else recv */ + bool filter_bcast; /*! Local udp port. This is dst_port for RX, src_port for TX */ uint16_t local_port; /*! Remote udp port. This is dst_port for TX */ uint16_t remote_port; /*! IPv4 address for destination (TX) */ uint32_t dst_addr; + /*! Number of buffers in ring */ + size_t num_bufs; }; /** |