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 #include "xsk_xdp_progs.skel.h" 9 10 #ifndef SOL_XDP 11 #define SOL_XDP 283 12 #endif 13 14 #ifndef AF_XDP 15 #define AF_XDP 44 16 #endif 17 18 #ifndef PF_XDP 19 #define PF_XDP AF_XDP 20 #endif 21 22 #ifndef SO_BUSY_POLL_BUDGET 23 #define SO_BUSY_POLL_BUDGET 70 24 #endif 25 26 #ifndef SO_PREFER_BUSY_POLL 27 #define SO_PREFER_BUSY_POLL 69 28 #endif 29 30 #define TEST_PASS 0 31 #define TEST_FAILURE -1 32 #define TEST_CONTINUE 1 33 #define TEST_SKIP 2 34 #define MAX_INTERFACES 2 35 #define MAX_INTERFACE_NAME_CHARS 16 36 #define MAX_SOCKETS 2 37 #define MAX_TEST_NAME_SIZE 32 38 #define MAX_TEARDOWN_ITER 10 39 #define PKT_HDR_SIZE (sizeof(struct ethhdr) + 2) /* Just to align the data in the packet */ 40 #define MIN_PKT_SIZE 64 41 #define USLEEP_MAX 10000 42 #define SOCK_RECONF_CTR 10 43 #define BATCH_SIZE 64 44 #define POLL_TMOUT 1000 45 #define THREAD_TMOUT 3 46 #define DEFAULT_PKT_CNT (4 * 1024) 47 #define DEFAULT_UMEM_BUFFERS (DEFAULT_PKT_CNT / 4) 48 #define RX_FULL_RXQSIZE 32 49 #define UMEM_HEADROOM_TEST_SIZE 128 50 #define XSK_UMEM__INVALID_FRAME_SIZE (XSK_UMEM__DEFAULT_FRAME_SIZE + 1) 51 #define HUGEPAGE_SIZE (2 * 1024 * 1024) 52 #define PKT_DUMP_NB_TO_PRINT 16 53 54 #define print_verbose(x...) do { if (opt_verbose) ksft_print_msg(x); } while (0) 55 56 enum test_mode { 57 TEST_MODE_SKB, 58 TEST_MODE_DRV, 59 TEST_MODE_ZC, 60 TEST_MODE_MAX 61 }; 62 63 enum test_type { 64 TEST_TYPE_RUN_TO_COMPLETION, 65 TEST_TYPE_RUN_TO_COMPLETION_2K_FRAME, 66 TEST_TYPE_RUN_TO_COMPLETION_SINGLE_PKT, 67 TEST_TYPE_RX_POLL, 68 TEST_TYPE_TX_POLL, 69 TEST_TYPE_POLL_RXQ_TMOUT, 70 TEST_TYPE_POLL_TXQ_TMOUT, 71 TEST_TYPE_UNALIGNED, 72 TEST_TYPE_ALIGNED_INV_DESC, 73 TEST_TYPE_ALIGNED_INV_DESC_2K_FRAME, 74 TEST_TYPE_UNALIGNED_INV_DESC, 75 TEST_TYPE_UNALIGNED_INV_DESC_4K1_FRAME, 76 TEST_TYPE_HEADROOM, 77 TEST_TYPE_TEARDOWN, 78 TEST_TYPE_BIDI, 79 TEST_TYPE_STATS_RX_DROPPED, 80 TEST_TYPE_STATS_TX_INVALID_DESCS, 81 TEST_TYPE_STATS_RX_FULL, 82 TEST_TYPE_STATS_FILL_EMPTY, 83 TEST_TYPE_BPF_RES, 84 TEST_TYPE_XDP_DROP_HALF, 85 TEST_TYPE_XDP_METADATA_COUNT, 86 TEST_TYPE_MAX 87 }; 88 89 static bool opt_verbose; 90 91 struct xsk_umem_info { 92 struct xsk_ring_prod fq; 93 struct xsk_ring_cons cq; 94 struct xsk_umem *umem; 95 u64 next_buffer; 96 u32 num_frames; 97 u32 frame_headroom; 98 void *buffer; 99 u32 frame_size; 100 u32 base_addr; 101 bool unaligned_mode; 102 }; 103 104 struct xsk_socket_info { 105 struct xsk_ring_cons rx; 106 struct xsk_ring_prod tx; 107 struct xsk_umem_info *umem; 108 struct xsk_socket *xsk; 109 u32 outstanding_tx; 110 u32 rxqsize; 111 }; 112 113 struct pkt { 114 int offset; 115 u32 len; 116 u32 pkt_nb; 117 bool valid; 118 }; 119 120 struct pkt_stream { 121 u32 nb_pkts; 122 u32 current_pkt_nb; 123 struct pkt *pkts; 124 u32 max_pkt_len; 125 }; 126 127 struct ifobject; 128 typedef int (*validation_func_t)(struct ifobject *ifobj); 129 typedef void *(*thread_func_t)(void *arg); 130 131 struct ifobject { 132 char ifname[MAX_INTERFACE_NAME_CHARS]; 133 struct xsk_socket_info *xsk; 134 struct xsk_socket_info *xsk_arr; 135 struct xsk_umem_info *umem; 136 thread_func_t func_ptr; 137 validation_func_t validation_func; 138 struct pkt_stream *pkt_stream; 139 struct xsk_xdp_progs *xdp_progs; 140 struct bpf_map *xskmap; 141 struct bpf_program *xdp_prog; 142 enum test_mode mode; 143 int ifindex; 144 u32 bind_flags; 145 bool tx_on; 146 bool rx_on; 147 bool use_poll; 148 bool busy_poll; 149 bool use_fill_ring; 150 bool release_rx; 151 bool shared_umem; 152 bool use_metadata; 153 bool unaligned_supp; 154 u8 dst_mac[ETH_ALEN]; 155 u8 src_mac[ETH_ALEN]; 156 }; 157 158 struct test_spec { 159 struct ifobject *ifobj_tx; 160 struct ifobject *ifobj_rx; 161 struct pkt_stream *tx_pkt_stream_default; 162 struct pkt_stream *rx_pkt_stream_default; 163 struct bpf_program *xdp_prog_rx; 164 struct bpf_program *xdp_prog_tx; 165 struct bpf_map *xskmap_rx; 166 struct bpf_map *xskmap_tx; 167 u16 total_steps; 168 u16 current_step; 169 u16 nb_sockets; 170 bool fail; 171 enum test_mode mode; 172 char name[MAX_TEST_NAME_SIZE]; 173 }; 174 175 pthread_barrier_t barr; 176 pthread_mutex_t pacing_mutex = PTHREAD_MUTEX_INITIALIZER; 177 178 int pkts_in_flight; 179 180 #endif /* XSKXCEIVER_H_ */ 181