c11 safe string handling support - vpp - Vector Packet Processing

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author	Dave Barach <dave@barachs.net>	2018-10-17 10:38:51 -0400
committer	Damjan Marion <dmarion@me.com>	2018-10-23 13:06:46 +0000
commit	b7b929931a07fbb27b43d5cd105f366c3e29807e (patch)
tree	438681c89738802dbb5d339715b96ea2c31bafb4 /src/vnet/lisp-cp/lisp_msg_serdes.c
parent	b9a4c445c1d4e9cdab476a8e1fb8a46ff0fc6080 (diff)

c11 safe string handling support

Change-Id: Ied34720ca5a6e6e717eea4e86003e854031b6eab Signed-off-by: Dave Barach <dave@barachs.net>

Diffstat (limited to 'src/vnet/lisp-cp/lisp_msg_serdes.c')

-rw-r--r--

src/vnet/lisp-cp/lisp_msg_serdes.c

1 files changed, 12 insertions, 12 deletions

/* * 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_memory.h> #include <rte_eal.h> #include <rte_per_lcore.h> #include <rte_cycles.h> #include <rte_lcore.h> #include <rte_per_lcore.h> #include <rte_interrupts.h> #include <rte_pci.h> #include <rte_ether.h> #include <rte_ethdev.h> #include <rte_ring.h> #include <rte_mempool.h> #include <rte_mbuf.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; #if RTE_VERSION >= RTE_VERSION_NUM(17, 2, 0, 0) #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) \ _ ("net_bonding", BOND) \ _ ("net_fm10k", FM10K) \ _ ("net_cxgbe", CXGBE) \ _ ("net_mlx5", MLX5) \ _ ("net_dpaa2", DPAA2) #else #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) #endif 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_25G, 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 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 or BondEthernet instance number */ u8 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; /* Required config parameters */ u8 coremask_set_manually; u8 nchannels_set_manually; u32 coremask; u32 nchannels; u32 num_mbufs; /* * 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_hqos_cpu; /* per-thread recycle lists */ u32 **recycle; /* per-thread buffer templates */ vlib_buffer_t *buffer_templates; /* 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; /* * 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 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 usec after each device poll */ u32 poll_sleep_usec; /* 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; extern 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; clib_error_t *dpdk_device_setup (dpdk_device_t * xd); clib_error_t *dpdk_device_start (dpdk_device_t * xd); clib_error_t *dpdk_device_stop (dpdk_device_t * xd); #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; void dpdk_update_link_state (dpdk_device_t * xd, f64 now); 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: */


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