2 * Copyright (c) 2015 Cisco and/or its affiliates.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at:
7 * http://www.apache.org/licenses/LICENSE-2.0
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
15 #ifndef __included_dpdk_h__
16 #define __included_dpdk_h__
18 /* $$$$ We should rename always_inline -> clib_always_inline */
21 #include <rte_config.h>
23 #include <rte_common.h>
26 #include <rte_memory.h>
27 #include <rte_memzone.h>
28 #include <rte_tailq.h>
30 #include <rte_per_lcore.h>
31 #include <rte_launch.h>
32 #include <rte_atomic.h>
33 #include <rte_cycles.h>
34 #include <rte_prefetch.h>
35 #include <rte_lcore.h>
36 #include <rte_per_lcore.h>
37 #include <rte_branch_prediction.h>
38 #include <rte_interrupts.h>
40 #include <rte_random.h>
41 #include <rte_debug.h>
42 #include <rte_ether.h>
43 #include <rte_ethdev.h>
45 #include <rte_mempool.h>
47 #include <rte_virtio_net.h>
48 #include <rte_version.h>
49 #include <rte_eth_bond.h>
50 #include <rte_sched.h>
52 #include <vnet/unix/pcap.h>
53 #include <vnet/devices/devices.h>
56 #define always_inline static inline
58 #define always_inline static inline __attribute__ ((__always_inline__))
61 #include <vlib/pci/pci.h>
63 #define NB_MBUF (16<<10)
65 extern vnet_device_class_t dpdk_device_class;
66 extern vlib_node_registration_t dpdk_input_node;
67 extern vlib_node_registration_t handoff_dispatch_node;
69 #if RTE_VERSION >= RTE_VERSION_NUM(16, 11, 0, 0)
70 #define foreach_dpdk_pmd \
71 _ ("net_thunderx", THUNDERX) \
72 _ ("net_e1000_em", E1000EM) \
73 _ ("net_e1000_igb", IGB) \
74 _ ("net_e1000_igb_vf", IGBVF) \
75 _ ("net_ixgbe", IXGBE) \
76 _ ("net_ixgbe_vf", IXGBEVF) \
77 _ ("net_i40e", I40E) \
78 _ ("net_i40e_vf", I40EVF) \
79 _ ("net_virtio", VIRTIO) \
80 _ ("net_enic", ENIC) \
81 _ ("net_vmxnet3", VMXNET3) \
82 _ ("net_af_packet", AF_PACKET) \
83 _ ("net_bonding", BOND) \
84 _ ("net_fm10k", FM10K) \
85 _ ("net_cxgbe", CXGBE) \
86 _ ("net_dpaa2", DPAA2)
88 #define foreach_dpdk_pmd \
89 _ ("rte_nicvf_pmd", THUNDERX) \
90 _ ("rte_em_pmd", E1000EM) \
91 _ ("rte_igb_pmd", IGB) \
92 _ ("rte_igbvf_pmd", IGBVF) \
93 _ ("rte_ixgbe_pmd", IXGBE) \
94 _ ("rte_ixgbevf_pmd", IXGBEVF) \
95 _ ("rte_i40e_pmd", I40E) \
96 _ ("rte_i40evf_pmd", I40EVF) \
97 _ ("rte_virtio_pmd", VIRTIO) \
98 _ ("rte_enic_pmd", ENIC) \
99 _ ("rte_vmxnet3_pmd", VMXNET3) \
100 _ ("AF_PACKET PMD", AF_PACKET) \
101 _ ("rte_bond_pmd", BOND) \
102 _ ("rte_pmd_fm10k", FM10K) \
103 _ ("rte_cxgbe_pmd", CXGBE) \
104 _ ("rte_dpaa2_dpni", DPAA2)
110 #define _(s,f) VNET_DPDK_PMD_##f,
113 VNET_DPDK_PMD_UNKNOWN, /* must be last */
118 VNET_DPDK_PORT_TYPE_ETH_1G,
119 VNET_DPDK_PORT_TYPE_ETH_10G,
120 VNET_DPDK_PORT_TYPE_ETH_40G,
121 VNET_DPDK_PORT_TYPE_ETH_BOND,
122 VNET_DPDK_PORT_TYPE_ETH_SWITCH,
123 VNET_DPDK_PORT_TYPE_AF_PACKET,
124 VNET_DPDK_PORT_TYPE_UNKNOWN,
128 * The header for the tx_vector in dpdk_device_t.
129 * Head and tail are indexes into the tx_vector and are of type
130 * u64 so they never overflow.
140 struct rte_ring *swq;
142 u64 hqos_field0_slabmask;
143 u32 hqos_field0_slabpos;
144 u32 hqos_field0_slabshr;
145 u64 hqos_field1_slabmask;
146 u32 hqos_field1_slabpos;
147 u32 hqos_field1_slabshr;
148 u64 hqos_field2_slabmask;
149 u32 hqos_field2_slabpos;
150 u32 hqos_field2_slabshr;
151 u32 hqos_tc_table[64];
152 } dpdk_device_hqos_per_worker_thread_t;
156 struct rte_ring **swq;
157 struct rte_mbuf **pkts_enq;
158 struct rte_mbuf **pkts_deq;
159 struct rte_sched_port *hqos;
165 } dpdk_device_hqos_per_hqos_thread_t;
169 CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
170 volatile u32 **lockp;
175 u32 vlib_hw_if_index;
176 u32 vlib_sw_if_index;
178 /* next node index if we decide to steal the rx graph arc */
179 u32 per_interface_next_index;
181 /* dpdk rte_mbuf rx and tx vectors, VLIB_FRAME_SIZE */
182 struct rte_mbuf ***tx_vectors; /* one per worker thread */
183 struct rte_mbuf ***rx_vectors;
185 /* vector of traced contexts, per device */
186 u32 **d_trace_buffers;
192 #define DPDK_DEVICE_FLAG_ADMIN_UP (1 << 0)
193 #define DPDK_DEVICE_FLAG_PROMISC (1 << 1)
194 #define DPDK_DEVICE_FLAG_PMD (1 << 2)
196 #define DPDK_DEVICE_FLAG_HAVE_SUBIF (1 << 5)
197 #define DPDK_DEVICE_FLAG_HQOS (1 << 6)
200 CLIB_CACHE_LINE_ALIGN_MARK (cacheline1);
202 u8 *interface_name_suffix;
204 /* number of sub-interfaces */
211 u16 *cpu_socket_id_by_queue;
212 struct rte_eth_conf port_conf;
213 struct rte_eth_txconf tx_conf;
216 dpdk_device_hqos_per_worker_thread_t *hqos_wt;
217 dpdk_device_hqos_per_hqos_thread_t *hqos_ht;
220 u8 af_packet_port_id;
222 struct rte_eth_link link;
223 f64 time_last_link_update;
225 struct rte_eth_stats stats;
226 struct rte_eth_stats last_stats;
227 struct rte_eth_stats last_cleared_stats;
228 struct rte_eth_xstat *xstats;
229 struct rte_eth_xstat *last_cleared_xstats;
230 f64 time_last_stats_update;
231 dpdk_port_type_t port_type;
234 #define DPDK_STATS_POLL_INTERVAL (10.0)
235 #define DPDK_MIN_STATS_POLL_INTERVAL (0.001) /* 1msec */
237 #define DPDK_LINK_POLL_INTERVAL (3.0)
238 #define DPDK_MIN_LINK_POLL_INTERVAL (0.001) /* 1msec */
242 CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
244 /* total input packet counter */
245 u64 aggregate_rx_packets;
250 CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
252 /* total input packet counter */
253 u64 aggregate_rx_packets;
254 } dpdk_hqos_thread_t;
260 } dpdk_device_and_queue_t;
262 #ifndef DPDK_HQOS_DBG_BYPASS
263 #define DPDK_HQOS_DBG_BYPASS 0
266 #ifndef HQOS_FLUSH_COUNT_THRESHOLD
267 #define HQOS_FLUSH_COUNT_THRESHOLD 100000
270 typedef struct dpdk_device_config_hqos_t
273 u32 hqos_thread_valid;
279 u32 pktfield0_slabpos;
280 u32 pktfield1_slabpos;
281 u32 pktfield2_slabpos;
282 u64 pktfield0_slabmask;
283 u64 pktfield1_slabmask;
284 u64 pktfield2_slabmask;
287 struct rte_sched_port_params port;
288 struct rte_sched_subport_params *subport;
289 struct rte_sched_pipe_params *pipe;
291 } dpdk_device_config_hqos_t;
293 int dpdk_hqos_validate_mask (u64 mask, u32 n);
294 void dpdk_device_config_hqos_pipe_profile_default (dpdk_device_config_hqos_t *
295 hqos, u32 pipe_profile_id);
296 void dpdk_device_config_hqos_default (dpdk_device_config_hqos_t * hqos);
297 clib_error_t *dpdk_port_setup_hqos (dpdk_device_t * xd,
298 dpdk_device_config_hqos_t * hqos);
299 void dpdk_hqos_metadata_set (dpdk_device_hqos_per_worker_thread_t * hqos,
300 struct rte_mbuf **pkts, u32 n_pkts);
302 #define foreach_dpdk_device_config_item \
311 vlib_pci_addr_t pci_addr;
313 u8 vlan_strip_offload;
314 #define DPDK_DEVICE_VLAN_STRIP_DEFAULT 0
315 #define DPDK_DEVICE_VLAN_STRIP_OFF 1
316 #define DPDK_DEVICE_VLAN_STRIP_ON 2
318 #define _(x) uword x;
319 foreach_dpdk_device_config_item
321 clib_bitmap_t * workers;
323 dpdk_device_config_hqos_t hqos;
324 } dpdk_device_config_t;
331 u8 *eal_init_args_str;
334 u8 enable_tcp_udp_checksum;
336 /* Required config parameters */
337 u8 coremask_set_manually;
338 u8 nchannels_set_manually;
342 u8 num_kni; /* while kni_init allows u32, port_id in callback fn is only u8 */
345 * format interface names ala xxxEthernet%d/%d/%d instead of
346 * xxxEthernet%x/%x/%x.
348 u8 interface_name_format_decimal;
350 /* per-device config */
351 dpdk_device_config_t default_devconf;
352 dpdk_device_config_t *dev_confs;
353 uword *device_config_index_by_pci_addr;
355 } dpdk_config_main_t;
357 dpdk_config_main_t dpdk_config_main;
363 dpdk_device_t *devices;
364 dpdk_device_and_queue_t **devices_by_cpu;
365 dpdk_device_and_queue_t **devices_by_hqos_cpu;
367 /* per-thread recycle lists */
370 /* buffer flags template, configurable to enable/disable tcp / udp cksum */
371 u32 buffer_flags_template;
373 /* vlib buffer free list, must be same size as an rte_mbuf */
374 u32 vlib_buffer_free_list_index;
376 /* dpdk worker "threads" */
377 dpdk_worker_t *workers;
379 /* dpdk HQoS "threads" */
380 dpdk_hqos_thread_t *hqos_threads;
382 /* Ethernet input node index */
383 u32 ethernet_input_node_index;
385 /* pcap tracing [only works if (CLIB_DEBUG > 0)] */
387 pcap_main_t pcap_main;
389 u32 pcap_sw_if_index;
390 u32 pcap_pkts_to_capture;
393 uword *dpdk_device_by_kni_port_id;
394 uword *vu_sw_if_index_by_listener_fd;
395 uword *vu_sw_if_index_by_sock_fd;
396 u32 *vu_inactive_interfaces_device_index;
399 * flag indicating that a posted admin up/down
400 * (via post_sw_interface_set_flags) is in progress
402 u8 admin_up_down_in_progress;
406 /* which cpus are running dpdk-input */
407 int input_cpu_first_index;
410 /* which cpus are running I/O TX */
411 int hqos_cpu_first_index;
414 /* control interval of dpdk link state and stat polling */
415 f64 link_state_poll_interval;
416 f64 stat_poll_interval;
418 /* Sleep for this many MS after each device poll */
422 vlib_main_t *vlib_main;
423 vnet_main_t *vnet_main;
424 dpdk_config_main_t *conf;
427 dpdk_main_t dpdk_main;
435 /* Copy of VLIB buffer; packet data stored in pre_data. */
436 vlib_buffer_t buffer;
437 } dpdk_tx_dma_trace_t;
445 vlib_buffer_t buffer; /* Copy of VLIB buffer; pkt data stored in pre_data. */
446 u8 data[256]; /* First 256 data bytes, used for hexdump */
447 } dpdk_rx_dma_trace_t;
449 void vnet_buffer_needs_dpdk_mb (vlib_buffer_t * b);
451 clib_error_t *dpdk_set_mac_address (vnet_hw_interface_t * hi, char *address);
453 clib_error_t *dpdk_set_mc_filter (vnet_hw_interface_t * hi,
454 struct ether_addr mc_addr_vec[], int naddr);
456 void dpdk_thread_input (dpdk_main_t * dm, dpdk_device_t * xd);
458 clib_error_t *dpdk_port_setup (dpdk_main_t * dm, dpdk_device_t * xd);
460 u32 dpdk_interface_tx_vector (vlib_main_t * vm, u32 dev_instance);
462 struct rte_mbuf *dpdk_replicate_packet_mb (vlib_buffer_t * b);
463 struct rte_mbuf *dpdk_zerocopy_replicate_packet_mb (vlib_buffer_t * b);
465 #define foreach_dpdk_error \
466 _(NONE, "no error") \
467 _(RX_PACKET_ERROR, "Rx packet errors") \
468 _(RX_BAD_FCS, "Rx bad fcs") \
469 _(L4_CHECKSUM_ERROR, "Rx L4 checksum errors") \
470 _(IP_CHECKSUM_ERROR, "Rx ip checksum errors") \
471 _(RX_ALLOC_FAIL, "rx buf alloc from free list failed") \
472 _(RX_ALLOC_NO_PHYSMEM, "rx buf alloc failed no physmem") \
473 _(RX_ALLOC_DROP_PKTS, "rx packets dropped due to alloc error")
477 #define _(f,s) DPDK_ERROR_##f,
483 int dpdk_set_stat_poll_interval (f64 interval);
484 int dpdk_set_link_state_poll_interval (f64 interval);
485 void dpdk_update_link_state (dpdk_device_t * xd, f64 now);
486 void dpdk_device_lock_init (dpdk_device_t * xd);
487 void dpdk_device_lock_free (dpdk_device_t * xd);
490 vnet_get_aggregate_rx_packets (void)
492 dpdk_main_t *dm = &dpdk_main;
496 vec_foreach (dw, dm->workers) sum += dw->aggregate_rx_packets;
501 void dpdk_rx_trace (dpdk_main_t * dm,
502 vlib_node_runtime_t * node,
504 u16 queue_id, u32 * buffers, uword n_buffers);
506 #define EFD_OPERATION_LESS_THAN 0
507 #define EFD_OPERATION_GREATER_OR_EQUAL 1
509 void *dpdk_input_multiarch_select ();
510 void *dpdk_input_rss_multiarch_select ();
512 format_function_t format_dpdk_device_name;
513 format_function_t format_dpdk_device;
514 format_function_t format_dpdk_tx_dma_trace;
515 format_function_t format_dpdk_rx_dma_trace;
516 format_function_t format_dpdk_rte_mbuf;
517 format_function_t format_dpdk_rx_rte_mbuf;
518 unformat_function_t unformat_socket_mem;
519 clib_error_t *unformat_rss_fn (unformat_input_t * input, uword * rss_fn);
520 clib_error_t *unformat_hqos (unformat_input_t * input,
521 dpdk_device_config_hqos_t * hqos);
524 admin_up_down_process (vlib_main_t * vm,
525 vlib_node_runtime_t * rt, vlib_frame_t * f);
527 #endif /* __included_dpdk_h__ */
530 * fd.io coding-style-patch-verification: ON
533 * eval: (c-set-style "gnu")