1 /* SPDX-License-Identifier: GPL-2.0 2 * Copyright(c) 2020 Intel Corporation. 3 */ 4 5 #ifndef XSKXCEIVER_H_ 6 #define XSKXCEIVER_H_ 7 8 #ifndef SOL_XDP 9 #define SOL_XDP 283 10 #endif 11 12 #ifndef AF_XDP 13 #define AF_XDP 44 14 #endif 15 16 #ifndef PF_XDP 17 #define PF_XDP AF_XDP 18 #endif 19 20 #ifndef SO_BUSY_POLL_BUDGET 21 #define SO_BUSY_POLL_BUDGET 70 22 #endif 23 24 #ifndef SO_PREFER_BUSY_POLL 25 #define SO_PREFER_BUSY_POLL 69 26 #endif 27 28 #define TEST_PASS 0 29 #define TEST_FAILURE -1 30 #define TEST_CONTINUE 1 31 #define MAX_INTERFACES 2 32 #define MAX_INTERFACE_NAME_CHARS 7 33 #define MAX_INTERFACES_NAMESPACE_CHARS 10 34 #define MAX_SOCKETS 2 35 #define MAX_TEST_NAME_SIZE 32 36 #define MAX_TEARDOWN_ITER 10 37 #define PKT_HDR_SIZE (sizeof(struct ethhdr) + sizeof(struct iphdr) + \ 38 sizeof(struct udphdr)) 39 #define MIN_ETH_PKT_SIZE 64 40 #define ETH_FCS_SIZE 4 41 #define MIN_PKT_SIZE (MIN_ETH_PKT_SIZE - ETH_FCS_SIZE) 42 #define PKT_SIZE (MIN_PKT_SIZE) 43 #define IP_PKT_SIZE (PKT_SIZE - sizeof(struct ethhdr)) 44 #define IP_PKT_VER 0x4 45 #define IP_PKT_TOS 0x9 46 #define UDP_PKT_SIZE (IP_PKT_SIZE - sizeof(struct iphdr)) 47 #define UDP_PKT_DATA_SIZE (UDP_PKT_SIZE - sizeof(struct udphdr)) 48 #define USLEEP_MAX 10000 49 #define SOCK_RECONF_CTR 10 50 #define BATCH_SIZE 64 51 #define POLL_TMOUT 1000 52 #define THREAD_TMOUT 3 53 #define DEFAULT_PKT_CNT (4 * 1024) 54 #define DEFAULT_UMEM_BUFFERS (DEFAULT_PKT_CNT / 4) 55 #define UMEM_SIZE (DEFAULT_UMEM_BUFFERS * XSK_UMEM__DEFAULT_FRAME_SIZE) 56 #define RX_FULL_RXQSIZE 32 57 #define UMEM_HEADROOM_TEST_SIZE 128 58 #define XSK_UMEM__INVALID_FRAME_SIZE (XSK_UMEM__DEFAULT_FRAME_SIZE + 1) 59 60 #define print_verbose(x...) do { if (opt_verbose) ksft_print_msg(x); } while (0) 61 62 enum test_mode { 63 TEST_MODE_SKB, 64 TEST_MODE_DRV, 65 TEST_MODE_MAX 66 }; 67 68 enum test_type { 69 TEST_TYPE_RUN_TO_COMPLETION, 70 TEST_TYPE_RUN_TO_COMPLETION_2K_FRAME, 71 TEST_TYPE_RUN_TO_COMPLETION_SINGLE_PKT, 72 TEST_TYPE_RX_POLL, 73 TEST_TYPE_TX_POLL, 74 TEST_TYPE_POLL_RXQ_TMOUT, 75 TEST_TYPE_POLL_TXQ_TMOUT, 76 TEST_TYPE_UNALIGNED, 77 TEST_TYPE_ALIGNED_INV_DESC, 78 TEST_TYPE_ALIGNED_INV_DESC_2K_FRAME, 79 TEST_TYPE_UNALIGNED_INV_DESC, 80 TEST_TYPE_HEADROOM, 81 TEST_TYPE_TEARDOWN, 82 TEST_TYPE_BIDI, 83 TEST_TYPE_STATS_RX_DROPPED, 84 TEST_TYPE_STATS_TX_INVALID_DESCS, 85 TEST_TYPE_STATS_RX_FULL, 86 TEST_TYPE_STATS_FILL_EMPTY, 87 TEST_TYPE_BPF_RES, 88 TEST_TYPE_MAX 89 }; 90 91 static bool opt_pkt_dump; 92 static bool opt_verbose; 93 94 struct xsk_umem_info { 95 struct xsk_ring_prod fq; 96 struct xsk_ring_cons cq; 97 struct xsk_umem *umem; 98 u32 num_frames; 99 u32 frame_headroom; 100 void *buffer; 101 u32 frame_size; 102 bool unaligned_mode; 103 }; 104 105 struct xsk_socket_info { 106 struct xsk_ring_cons rx; 107 struct xsk_ring_prod tx; 108 struct xsk_umem_info *umem; 109 struct xsk_socket *xsk; 110 u32 outstanding_tx; 111 u32 rxqsize; 112 }; 113 114 struct pkt { 115 u64 addr; 116 u32 len; 117 u32 payload; 118 bool valid; 119 }; 120 121 struct pkt_stream { 122 u32 nb_pkts; 123 u32 rx_pkt_nb; 124 struct pkt *pkts; 125 bool use_addr_for_fill; 126 }; 127 128 struct ifobject; 129 typedef int (*validation_func_t)(struct ifobject *ifobj); 130 typedef void *(*thread_func_t)(void *arg); 131 132 struct ifobject { 133 char ifname[MAX_INTERFACE_NAME_CHARS]; 134 char nsname[MAX_INTERFACES_NAMESPACE_CHARS]; 135 struct xsk_socket_info *xsk; 136 struct xsk_socket_info *xsk_arr; 137 struct xsk_umem_info *umem; 138 thread_func_t func_ptr; 139 validation_func_t validation_func; 140 struct pkt_stream *pkt_stream; 141 int ns_fd; 142 int xsk_map_fd; 143 u32 dst_ip; 144 u32 src_ip; 145 u32 xdp_flags; 146 u32 bind_flags; 147 u16 src_port; 148 u16 dst_port; 149 bool tx_on; 150 bool rx_on; 151 bool use_poll; 152 bool busy_poll; 153 bool use_fill_ring; 154 bool release_rx; 155 u8 dst_mac[ETH_ALEN]; 156 u8 src_mac[ETH_ALEN]; 157 }; 158 159 struct test_spec { 160 struct ifobject *ifobj_tx; 161 struct ifobject *ifobj_rx; 162 struct pkt_stream *pkt_stream_default; 163 u16 total_steps; 164 u16 current_step; 165 u16 nb_sockets; 166 bool fail; 167 char name[MAX_TEST_NAME_SIZE]; 168 }; 169 170 pthread_barrier_t barr; 171 pthread_mutex_t pacing_mutex = PTHREAD_MUTEX_INITIALIZER; 172 pthread_cond_t pacing_cond = PTHREAD_COND_INITIALIZER; 173 174 int pkts_in_flight; 175 176 #endif /* XSKXCEIVER_H_ */ 177