diff options
Diffstat (limited to 'tools/testing/selftests/bpf/xskxceiver.h')
| -rw-r--r-- | tools/testing/selftests/bpf/xskxceiver.h | 181 |
1 files changed, 181 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/xskxceiver.h b/tools/testing/selftests/bpf/xskxceiver.h new file mode 100644 index 000000000000..edb76d2def9f --- /dev/null +++ b/tools/testing/selftests/bpf/xskxceiver.h @@ -0,0 +1,181 @@ +/* SPDX-License-Identifier: GPL-2.0 + * Copyright(c) 2020 Intel Corporation. + */ + +#ifndef XSKXCEIVER_H_ +#define XSKXCEIVER_H_ + +#ifndef SOL_XDP +#define SOL_XDP 283 +#endif + +#ifndef AF_XDP +#define AF_XDP 44 +#endif + +#ifndef PF_XDP +#define PF_XDP AF_XDP +#endif + +#ifndef SO_BUSY_POLL_BUDGET +#define SO_BUSY_POLL_BUDGET 70 +#endif + +#ifndef SO_PREFER_BUSY_POLL +#define SO_PREFER_BUSY_POLL 69 +#endif + +#define TEST_PASS 0 +#define TEST_FAILURE -1 +#define TEST_CONTINUE 1 +#define MAX_INTERFACES 2 +#define MAX_INTERFACE_NAME_CHARS 16 +#define MAX_INTERFACES_NAMESPACE_CHARS 16 +#define MAX_SOCKETS 2 +#define MAX_TEST_NAME_SIZE 32 +#define MAX_TEARDOWN_ITER 10 +#define PKT_HDR_SIZE (sizeof(struct ethhdr) + sizeof(struct iphdr) + \ + sizeof(struct udphdr)) +#define MIN_ETH_PKT_SIZE 64 +#define ETH_FCS_SIZE 4 +#define MIN_PKT_SIZE (MIN_ETH_PKT_SIZE - ETH_FCS_SIZE) +#define PKT_SIZE (MIN_PKT_SIZE) +#define IP_PKT_SIZE (PKT_SIZE - sizeof(struct ethhdr)) +#define IP_PKT_VER 0x4 +#define IP_PKT_TOS 0x9 +#define UDP_PKT_SIZE (IP_PKT_SIZE - sizeof(struct iphdr)) +#define UDP_PKT_DATA_SIZE (UDP_PKT_SIZE - sizeof(struct udphdr)) +#define USLEEP_MAX 10000 +#define SOCK_RECONF_CTR 10 +#define BATCH_SIZE 64 +#define POLL_TMOUT 1000 +#define THREAD_TMOUT 3 +#define DEFAULT_PKT_CNT (4 * 1024) +#define DEFAULT_UMEM_BUFFERS (DEFAULT_PKT_CNT / 4) +#define UMEM_SIZE (DEFAULT_UMEM_BUFFERS * XSK_UMEM__DEFAULT_FRAME_SIZE) +#define RX_FULL_RXQSIZE 32 +#define UMEM_HEADROOM_TEST_SIZE 128 +#define XSK_UMEM__INVALID_FRAME_SIZE (XSK_UMEM__DEFAULT_FRAME_SIZE + 1) + +#define print_verbose(x...) do { if (opt_verbose) ksft_print_msg(x); } while (0) + +enum test_mode { + TEST_MODE_SKB, + TEST_MODE_DRV, + TEST_MODE_ZC, + TEST_MODE_MAX +}; + +enum test_type { + TEST_TYPE_RUN_TO_COMPLETION, + TEST_TYPE_RUN_TO_COMPLETION_2K_FRAME, + TEST_TYPE_RUN_TO_COMPLETION_SINGLE_PKT, + TEST_TYPE_RX_POLL, + TEST_TYPE_TX_POLL, + TEST_TYPE_POLL_RXQ_TMOUT, + TEST_TYPE_POLL_TXQ_TMOUT, + TEST_TYPE_UNALIGNED, + TEST_TYPE_ALIGNED_INV_DESC, + TEST_TYPE_ALIGNED_INV_DESC_2K_FRAME, + TEST_TYPE_UNALIGNED_INV_DESC, + TEST_TYPE_HEADROOM, + TEST_TYPE_TEARDOWN, + TEST_TYPE_BIDI, + TEST_TYPE_STATS_RX_DROPPED, + TEST_TYPE_STATS_TX_INVALID_DESCS, + TEST_TYPE_STATS_RX_FULL, + TEST_TYPE_STATS_FILL_EMPTY, + TEST_TYPE_BPF_RES, + TEST_TYPE_MAX +}; + +static bool opt_pkt_dump; +static bool opt_verbose; + +struct xsk_umem_info { + struct xsk_ring_prod fq; + struct xsk_ring_cons cq; + struct xsk_umem *umem; + u32 num_frames; + u32 frame_headroom; + void *buffer; + u32 frame_size; + u32 base_addr; + bool unaligned_mode; +}; + +struct xsk_socket_info { + struct xsk_ring_cons rx; + struct xsk_ring_prod tx; + struct xsk_umem_info *umem; + struct xsk_socket *xsk; + u32 outstanding_tx; + u32 rxqsize; +}; + +struct pkt { + u64 addr; + u32 len; + u32 payload; + bool valid; +}; + +struct pkt_stream { + u32 nb_pkts; + u32 rx_pkt_nb; + struct pkt *pkts; + bool use_addr_for_fill; +}; + +struct ifobject; +typedef int (*validation_func_t)(struct ifobject *ifobj); +typedef void *(*thread_func_t)(void *arg); + +struct ifobject { + char ifname[MAX_INTERFACE_NAME_CHARS]; + char nsname[MAX_INTERFACES_NAMESPACE_CHARS]; + struct xsk_socket_info *xsk; + struct xsk_socket_info *xsk_arr; + struct xsk_umem_info *umem; + thread_func_t func_ptr; + validation_func_t validation_func; + struct pkt_stream *pkt_stream; + int ns_fd; + int xsk_map_fd; + u32 dst_ip; + u32 src_ip; + u32 xdp_flags; + u32 bind_flags; + u16 src_port; + u16 dst_port; + bool tx_on; + bool rx_on; + bool use_poll; + bool busy_poll; + bool use_fill_ring; + bool release_rx; + bool shared_umem; + u8 dst_mac[ETH_ALEN]; + u8 src_mac[ETH_ALEN]; +}; + +struct test_spec { + struct ifobject *ifobj_tx; + struct ifobject *ifobj_rx; + struct pkt_stream *tx_pkt_stream_default; + struct pkt_stream *rx_pkt_stream_default; + u16 total_steps; + u16 current_step; + u16 nb_sockets; + bool fail; + enum test_mode mode; + char name[MAX_TEST_NAME_SIZE]; +}; + +pthread_barrier_t barr; +pthread_mutex_t pacing_mutex = PTHREAD_MUTEX_INITIALIZER; +pthread_cond_t pacing_cond = PTHREAD_COND_INITIALIZER; + +int pkts_in_flight; + +#endif /* XSKXCEIVER_H_ */ |