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authorDamjan Marion <damarion@cisco.com>2017-02-28 19:22:22 +0100
committerDave Barach <openvpp@barachs.net>2017-03-01 22:06:31 +0000
commitc3a814be9dc769be942ff8029c7b6eccd4b3af05 (patch)
treedd152b3e92281ab52f806ed2ad237c9fb0607e8b /src/plugins/dpdk/device/dpdk.h
parentf71ef1dddfc7cf34944c510b85bec074f431bb12 (diff)
dpdk: be a plugin
Change-Id: I238258cdeb77035adc5e88903d824593d0a1da90 Signed-off-by: Damjan Marion <damarion@cisco.com>
Diffstat (limited to 'src/plugins/dpdk/device/dpdk.h')
-rw-r--r--src/plugins/dpdk/device/dpdk.h490
1 files changed, 490 insertions, 0 deletions
diff --git a/src/plugins/dpdk/device/dpdk.h b/src/plugins/dpdk/device/dpdk.h
new file mode 100644
index 00000000000..2a1a62057c3
--- /dev/null
+++ b/src/plugins/dpdk/device/dpdk.h
@@ -0,0 +1,490 @@
+/*
+ * Copyright (c) 2015 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef __included_dpdk_h__
+#define __included_dpdk_h__
+
+/* $$$$ We should rename always_inline -> clib_always_inline */
+#undef always_inline
+
+#include <rte_config.h>
+
+#include <rte_common.h>
+#include <rte_dev.h>
+#include <rte_log.h>
+#include <rte_memory.h>
+#include <rte_memzone.h>
+#include <rte_tailq.h>
+#include <rte_eal.h>
+#include <rte_per_lcore.h>
+#include <rte_launch.h>
+#include <rte_atomic.h>
+#include <rte_cycles.h>
+#include <rte_prefetch.h>
+#include <rte_lcore.h>
+#include <rte_per_lcore.h>
+#include <rte_branch_prediction.h>
+#include <rte_interrupts.h>
+#include <rte_pci.h>
+#include <rte_random.h>
+#include <rte_debug.h>
+#include <rte_ether.h>
+#include <rte_ethdev.h>
+#include <rte_ring.h>
+#include <rte_mempool.h>
+#include <rte_mbuf.h>
+#include <rte_virtio_net.h>
+#include <rte_version.h>
+#include <rte_eth_bond.h>
+#include <rte_sched.h>
+
+#include <vnet/unix/pcap.h>
+#include <vnet/devices/devices.h>
+
+#if CLIB_DEBUG > 0
+#define always_inline static inline
+#else
+#define always_inline static inline __attribute__ ((__always_inline__))
+#endif
+
+#include <vlib/pci/pci.h>
+
+#define NB_MBUF (16<<10)
+
+extern vnet_device_class_t dpdk_device_class;
+extern vlib_node_registration_t dpdk_input_node;
+extern vlib_node_registration_t handoff_dispatch_node;
+
+#define foreach_dpdk_pmd \
+ _ ("net_thunderx", THUNDERX) \
+ _ ("net_e1000_em", E1000EM) \
+ _ ("net_e1000_igb", IGB) \
+ _ ("net_e1000_igb_vf", IGBVF) \
+ _ ("net_ixgbe", IXGBE) \
+ _ ("net_ixgbe_vf", IXGBEVF) \
+ _ ("net_i40e", I40E) \
+ _ ("net_i40e_vf", I40EVF) \
+ _ ("net_virtio", VIRTIO) \
+ _ ("net_enic", ENIC) \
+ _ ("net_vmxnet3", VMXNET3) \
+ _ ("AF_PACKET PMD", AF_PACKET) \
+ _ ("rte_bond_pmd", BOND) \
+ _ ("net_fm10k", FM10K) \
+ _ ("net_cxgbe", CXGBE) \
+ _ ("net_mlx5", MLX5) \
+ _ ("net_dpaa2", DPAA2)
+
+typedef enum
+{
+ VNET_DPDK_PMD_NONE,
+#define _(s,f) VNET_DPDK_PMD_##f,
+ foreach_dpdk_pmd
+#undef _
+ VNET_DPDK_PMD_UNKNOWN, /* must be last */
+} dpdk_pmd_t;
+
+typedef enum
+{
+ VNET_DPDK_PORT_TYPE_ETH_1G,
+ VNET_DPDK_PORT_TYPE_ETH_10G,
+ VNET_DPDK_PORT_TYPE_ETH_40G,
+ VNET_DPDK_PORT_TYPE_ETH_100G,
+ VNET_DPDK_PORT_TYPE_ETH_BOND,
+ VNET_DPDK_PORT_TYPE_ETH_SWITCH,
+ VNET_DPDK_PORT_TYPE_AF_PACKET,
+ VNET_DPDK_PORT_TYPE_UNKNOWN,
+} dpdk_port_type_t;
+
+/*
+ * The header for the tx_vector in dpdk_device_t.
+ * Head and tail are indexes into the tx_vector and are of type
+ * u64 so they never overflow.
+ */
+typedef struct
+{
+ u64 tx_head;
+ u64 tx_tail;
+} tx_ring_hdr_t;
+
+typedef struct
+{
+ struct rte_ring *swq;
+
+ u64 hqos_field0_slabmask;
+ u32 hqos_field0_slabpos;
+ u32 hqos_field0_slabshr;
+ u64 hqos_field1_slabmask;
+ u32 hqos_field1_slabpos;
+ u32 hqos_field1_slabshr;
+ u64 hqos_field2_slabmask;
+ u32 hqos_field2_slabpos;
+ u32 hqos_field2_slabshr;
+ u32 hqos_tc_table[64];
+} dpdk_device_hqos_per_worker_thread_t;
+
+typedef struct
+{
+ struct rte_ring **swq;
+ struct rte_mbuf **pkts_enq;
+ struct rte_mbuf **pkts_deq;
+ struct rte_sched_port *hqos;
+ u32 hqos_burst_enq;
+ u32 hqos_burst_deq;
+ u32 pkts_enq_len;
+ u32 swq_pos;
+ u32 flush_count;
+} dpdk_device_hqos_per_hqos_thread_t;
+
+typedef struct
+{
+ CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
+ volatile u32 **lockp;
+
+ /* Instance ID */
+ u32 device_index;
+
+ u32 vlib_hw_if_index;
+ u32 vlib_sw_if_index;
+
+ /* next node index if we decide to steal the rx graph arc */
+ u32 per_interface_next_index;
+
+ /* dpdk rte_mbuf rx and tx vectors, VLIB_FRAME_SIZE */
+ struct rte_mbuf ***tx_vectors; /* one per worker thread */
+ struct rte_mbuf ***rx_vectors;
+
+ /* vector of traced contexts, per device */
+ u32 **d_trace_buffers;
+
+ dpdk_pmd_t pmd:8;
+ i8 cpu_socket;
+
+ u16 flags;
+#define DPDK_DEVICE_FLAG_ADMIN_UP (1 << 0)
+#define DPDK_DEVICE_FLAG_PROMISC (1 << 1)
+#define DPDK_DEVICE_FLAG_PMD (1 << 2)
+#define DPDK_DEVICE_FLAG_PMD_SUPPORTS_PTYPE (1 << 3)
+#define DPDK_DEVICE_FLAG_MAYBE_MULTISEG (1 << 4)
+#define DPDK_DEVICE_FLAG_HAVE_SUBIF (1 << 5)
+#define DPDK_DEVICE_FLAG_HQOS (1 << 6)
+
+ u16 nb_tx_desc;
+ CLIB_CACHE_LINE_ALIGN_MARK (cacheline1);
+
+ u8 *interface_name_suffix;
+
+ /* number of sub-interfaces */
+ u16 num_subifs;
+
+ /* PMD related */
+ u16 tx_q_used;
+ u16 rx_q_used;
+ u16 nb_rx_desc;
+ u16 *cpu_socket_id_by_queue;
+ struct rte_eth_conf port_conf;
+ struct rte_eth_txconf tx_conf;
+
+ /* HQoS related */
+ dpdk_device_hqos_per_worker_thread_t *hqos_wt;
+ dpdk_device_hqos_per_hqos_thread_t *hqos_ht;
+
+ /* af_packet */
+ u8 af_packet_port_id;
+
+ struct rte_eth_link link;
+ f64 time_last_link_update;
+
+ struct rte_eth_stats stats;
+ struct rte_eth_stats last_stats;
+ struct rte_eth_stats last_cleared_stats;
+ struct rte_eth_xstat *xstats;
+ struct rte_eth_xstat *last_cleared_xstats;
+ f64 time_last_stats_update;
+ dpdk_port_type_t port_type;
+
+ /* mac address */
+ u8 *default_mac_address;
+} dpdk_device_t;
+
+#define DPDK_STATS_POLL_INTERVAL (10.0)
+#define DPDK_MIN_STATS_POLL_INTERVAL (0.001) /* 1msec */
+
+#define DPDK_LINK_POLL_INTERVAL (3.0)
+#define DPDK_MIN_LINK_POLL_INTERVAL (0.001) /* 1msec */
+
+typedef struct
+{
+ u32 device;
+ u16 queue_id;
+} dpdk_device_and_queue_t;
+
+#ifndef DPDK_HQOS_DBG_BYPASS
+#define DPDK_HQOS_DBG_BYPASS 0
+#endif
+
+#ifndef HQOS_FLUSH_COUNT_THRESHOLD
+#define HQOS_FLUSH_COUNT_THRESHOLD 100000
+#endif
+
+typedef struct dpdk_device_config_hqos_t
+{
+ u32 hqos_thread;
+ u32 hqos_thread_valid;
+
+ u32 swq_size;
+ u32 burst_enq;
+ u32 burst_deq;
+
+ u32 pktfield0_slabpos;
+ u32 pktfield1_slabpos;
+ u32 pktfield2_slabpos;
+ u64 pktfield0_slabmask;
+ u64 pktfield1_slabmask;
+ u64 pktfield2_slabmask;
+ u32 tc_table[64];
+
+ struct rte_sched_port_params port;
+ struct rte_sched_subport_params *subport;
+ struct rte_sched_pipe_params *pipe;
+ uint32_t *pipe_map;
+} dpdk_device_config_hqos_t;
+
+int dpdk_hqos_validate_mask (u64 mask, u32 n);
+void dpdk_device_config_hqos_pipe_profile_default (dpdk_device_config_hqos_t *
+ hqos, u32 pipe_profile_id);
+void dpdk_device_config_hqos_default (dpdk_device_config_hqos_t * hqos);
+clib_error_t *dpdk_port_setup_hqos (dpdk_device_t * xd,
+ dpdk_device_config_hqos_t * hqos);
+void dpdk_hqos_metadata_set (dpdk_device_hqos_per_worker_thread_t * hqos,
+ struct rte_mbuf **pkts, u32 n_pkts);
+
+#define foreach_dpdk_device_config_item \
+ _ (num_rx_queues) \
+ _ (num_tx_queues) \
+ _ (num_rx_desc) \
+ _ (num_tx_desc) \
+ _ (rss_fn)
+
+typedef struct
+{
+ vlib_pci_addr_t pci_addr;
+ u8 is_blacklisted;
+ u8 vlan_strip_offload;
+#define DPDK_DEVICE_VLAN_STRIP_DEFAULT 0
+#define DPDK_DEVICE_VLAN_STRIP_OFF 1
+#define DPDK_DEVICE_VLAN_STRIP_ON 2
+
+#define _(x) uword x;
+ foreach_dpdk_device_config_item
+#undef _
+ clib_bitmap_t * workers;
+ u32 hqos_enabled;
+ dpdk_device_config_hqos_t hqos;
+} dpdk_device_config_t;
+
+typedef struct
+{
+
+ /* Config stuff */
+ u8 **eal_init_args;
+ u8 *eal_init_args_str;
+ u8 *uio_driver_name;
+ u8 no_multi_seg;
+ u8 enable_tcp_udp_checksum;
+ u8 cryptodev;
+
+ /* Required config parameters */
+ u8 coremask_set_manually;
+ u8 nchannels_set_manually;
+ u32 coremask;
+ u32 nchannels;
+ u32 num_mbufs;
+ u8 num_kni; /* while kni_init allows u32, port_id in callback fn is only u8 */
+
+ /*
+ * format interface names ala xxxEthernet%d/%d/%d instead of
+ * xxxEthernet%x/%x/%x.
+ */
+ u8 interface_name_format_decimal;
+
+ /* per-device config */
+ dpdk_device_config_t default_devconf;
+ dpdk_device_config_t *dev_confs;
+ uword *device_config_index_by_pci_addr;
+
+} dpdk_config_main_t;
+
+dpdk_config_main_t dpdk_config_main;
+
+typedef struct
+{
+
+ /* Devices */
+ dpdk_device_t *devices;
+ dpdk_device_and_queue_t **devices_by_cpu;
+ dpdk_device_and_queue_t **devices_by_hqos_cpu;
+
+ /* per-thread recycle lists */
+ u32 **recycle;
+
+ /* buffer flags template, configurable to enable/disable tcp / udp cksum */
+ u32 buffer_flags_template;
+
+ /* vlib buffer free list, must be same size as an rte_mbuf */
+ u32 vlib_buffer_free_list_index;
+
+ /* Ethernet input node index */
+ u32 ethernet_input_node_index;
+
+ /* pcap tracing [only works if (CLIB_DEBUG > 0)] */
+ int tx_pcap_enable;
+ pcap_main_t pcap_main;
+ u8 *pcap_filename;
+ u32 pcap_sw_if_index;
+ u32 pcap_pkts_to_capture;
+
+ /* hashes */
+ uword *dpdk_device_by_kni_port_id;
+ uword *vu_sw_if_index_by_listener_fd;
+ uword *vu_sw_if_index_by_sock_fd;
+ u32 *vu_inactive_interfaces_device_index;
+
+ /*
+ * flag indicating that a posted admin up/down
+ * (via post_sw_interface_set_flags) is in progress
+ */
+ u8 admin_up_down_in_progress;
+
+ u8 use_rss;
+
+ /* which cpus are running dpdk-input */
+ int input_cpu_first_index;
+ int input_cpu_count;
+
+ /* which cpus are running I/O TX */
+ int hqos_cpu_first_index;
+ int hqos_cpu_count;
+
+ /* control interval of dpdk link state and stat polling */
+ f64 link_state_poll_interval;
+ f64 stat_poll_interval;
+
+ /* Sleep for this many MS after each device poll */
+ u32 poll_sleep;
+
+ /* convenience */
+ vlib_main_t *vlib_main;
+ vnet_main_t *vnet_main;
+ dpdk_config_main_t *conf;
+
+ /* mempool */
+ struct rte_mempool **pktmbuf_pools;
+
+ /* API message ID base */
+ u16 msg_id_base;
+} dpdk_main_t;
+
+dpdk_main_t dpdk_main;
+
+typedef struct
+{
+ u32 buffer_index;
+ u16 device_index;
+ u8 queue_index;
+ struct rte_mbuf mb;
+ /* Copy of VLIB buffer; packet data stored in pre_data. */
+ vlib_buffer_t buffer;
+} dpdk_tx_dma_trace_t;
+
+typedef struct
+{
+ u32 buffer_index;
+ u16 device_index;
+ u16 queue_index;
+ struct rte_mbuf mb;
+ vlib_buffer_t buffer; /* Copy of VLIB buffer; pkt data stored in pre_data. */
+ u8 data[256]; /* First 256 data bytes, used for hexdump */
+} dpdk_rx_dma_trace_t;
+
+void vnet_buffer_needs_dpdk_mb (vlib_buffer_t * b);
+
+clib_error_t *dpdk_set_mac_address (vnet_hw_interface_t * hi, char *address);
+
+clib_error_t *dpdk_set_mc_filter (vnet_hw_interface_t * hi,
+ struct ether_addr mc_addr_vec[], int naddr);
+
+void dpdk_thread_input (dpdk_main_t * dm, dpdk_device_t * xd);
+
+clib_error_t *dpdk_port_setup (dpdk_main_t * dm, dpdk_device_t * xd);
+
+u32 dpdk_interface_tx_vector (vlib_main_t * vm, u32 dev_instance);
+
+struct rte_mbuf *dpdk_replicate_packet_mb (vlib_buffer_t * b);
+struct rte_mbuf *dpdk_zerocopy_replicate_packet_mb (vlib_buffer_t * b);
+
+#define foreach_dpdk_error \
+ _(NONE, "no error") \
+ _(RX_PACKET_ERROR, "Rx packet errors") \
+ _(RX_BAD_FCS, "Rx bad fcs") \
+ _(IP_CHECKSUM_ERROR, "Rx ip checksum errors") \
+ _(RX_ALLOC_FAIL, "rx buf alloc from free list failed") \
+ _(RX_ALLOC_NO_PHYSMEM, "rx buf alloc failed no physmem") \
+ _(RX_ALLOC_DROP_PKTS, "rx packets dropped due to alloc error")
+
+typedef enum
+{
+#define _(f,s) DPDK_ERROR_##f,
+ foreach_dpdk_error
+#undef _
+ DPDK_N_ERROR,
+} dpdk_error_t;
+
+int dpdk_set_stat_poll_interval (f64 interval);
+int dpdk_set_link_state_poll_interval (f64 interval);
+void dpdk_update_link_state (dpdk_device_t * xd, f64 now);
+void dpdk_device_lock_init (dpdk_device_t * xd);
+void dpdk_device_lock_free (dpdk_device_t * xd);
+
+void dpdk_rx_trace (dpdk_main_t * dm,
+ vlib_node_runtime_t * node,
+ dpdk_device_t * xd,
+ u16 queue_id, u32 * buffers, uword n_buffers);
+
+#define EFD_OPERATION_LESS_THAN 0
+#define EFD_OPERATION_GREATER_OR_EQUAL 1
+
+format_function_t format_dpdk_device_name;
+format_function_t format_dpdk_device;
+format_function_t format_dpdk_tx_dma_trace;
+format_function_t format_dpdk_rx_dma_trace;
+format_function_t format_dpdk_rte_mbuf;
+format_function_t format_dpdk_rx_rte_mbuf;
+unformat_function_t unformat_socket_mem;
+clib_error_t *unformat_rss_fn (unformat_input_t * input, uword * rss_fn);
+clib_error_t *unformat_hqos (unformat_input_t * input,
+ dpdk_device_config_hqos_t * hqos);
+
+uword
+admin_up_down_process (vlib_main_t * vm,
+ vlib_node_runtime_t * rt, vlib_frame_t * f);
+
+#endif /* __included_dpdk_h__ */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */