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-rw-r--r--tools/testing/selftests/bpf/xskxceiver.h180
1 files changed, 180 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/xskxceiver.h b/tools/testing/selftests/bpf/xskxceiver.h
new file mode 100644
index 000000000..292fc943b
--- /dev/null
+++ b/tools/testing/selftests/bpf/xskxceiver.h
@@ -0,0 +1,180 @@
+/* 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 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_ */