blob: 0db51e80f0efa2150563f8c18add5f2a55fb9c7d (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
|
//
// Copyright 2018 Ettus Research, a National Instruments Company
//
// SPDX-License-Identifier: GPL-3.0-or-later
//
#ifndef INCLUDED_DPDK_COMMON_HPP
#define INCLUDED_DPDK_COMMON_HPP
#include <uhd/config.hpp>
#include <uhd/types/device_addr.hpp>
#include <uhd/utils/static.hpp>
#include <uhd/utils/noncopyable.hpp>
#include <array>
#include <atomic>
#include <mutex>
#include <string>
namespace uhd { namespace transport {
class uhd_dpdk_ctx : uhd::noncopyable {
public:
UHD_SINGLETON_FCN(uhd_dpdk_ctx, get);
~uhd_dpdk_ctx(void);
/*!
* Initialize uhd-dpdk (and do only once)
* \param user_args User args passed in to override config files
*/
void init(const device_addr_t &user_args);
/*!
* Get MTU of NICs used by DPDK
*
* \return Number of Bytes in MTU
*/
size_t get_mtu(void) const;
/*!
* Get port ID from provided MAC address
* \param mac_addr MAC address
* \param port_id Int to write ID of port corresponding to MAC address
* \return 0 if match found, else no match
*/
int get_port_id(std::array<uint8_t, 6> mac_addr, unsigned int &port_id) const;
/*!
* Get port ID for routing packet destined for given address
* \param addr Destination address
* \return port ID from routing table
*/
int get_route(const std::string &addr) const;
/*!
* Set IPv4 address and subnet mask of given NIC port
* Not thread-safe. Should only be written before ports are in use.
* \param port_id NIC port ID
* \param ipv4_addr IPv4 address to write
* \param netmask Subnet mask identifying network number in ipv4_addr
* \return 0 if successful, else error
*/
int set_ipv4_addr(unsigned int port_id, uint32_t ipv4_addr, uint32_t netmask);
/*!
* \return whether init() has been called
*/
bool is_init_done(void) const;
private:
uhd_dpdk_ctx(void);
size_t _mtu;
std::mutex _init_mutex;
std::atomic<bool> _init_done;
uhd::dict<uint32_t, unsigned int> _routes;
};
}} // namespace uhd::transport
#endif /* INCLUDED_DPDK_COMMON_HPP */
|
