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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef TEST_XSK_H_
#define TEST_XSK_H_
#include <linux/ethtool.h>
#include <linux/if_xdp.h>
#include "../kselftest.h"
#include "xsk.h"
#ifndef SO_PREFER_BUSY_POLL
#define SO_PREFER_BUSY_POLL 69
#endif
#ifndef SO_BUSY_POLL_BUDGET
#define SO_BUSY_POLL_BUDGET 70
#endif
#define TEST_PASS 0
#define TEST_FAILURE -1
#define TEST_CONTINUE 1
#define TEST_SKIP 2
#define DEFAULT_PKT_CNT (4 * 1024)
#define DEFAULT_UMEM_BUFFERS (DEFAULT_PKT_CNT / 4)
#define HUGEPAGE_SIZE (2 * 1024 * 1024)
#define MIN_PKT_SIZE 64
#define MAX_ETH_PKT_SIZE 1518
#define MAX_INTERFACE_NAME_CHARS 16
#define MAX_TEST_NAME_SIZE 48
#define SOCK_RECONF_CTR 10
#define USLEEP_MAX 10000
extern bool opt_verbose;
#define print_verbose(x...) do { if (opt_verbose) ksft_print_msg(x); } while (0)
static inline u32 ceil_u32(u32 a, u32 b)
{
return (a + b - 1) / b;
}
static inline u64 ceil_u64(u64 a, u64 b)
{
return (a + b - 1) / b;
}
/* Simple test */
enum test_mode {
TEST_MODE_SKB,
TEST_MODE_DRV,
TEST_MODE_ZC,
TEST_MODE_ALL
};
struct ifobject;
struct test_spec;
typedef int (*validation_func_t)(struct ifobject *ifobj);
typedef void *(*thread_func_t)(void *arg);
typedef int (*test_func_t)(struct test_spec *test);
struct xsk_socket_info {
struct xsk_ring_cons rx;
struct xsk_ring_prod tx;
struct xsk_umem_info *umem;
struct xsk_socket *xsk;
struct pkt_stream *pkt_stream;
u32 outstanding_tx;
u32 rxqsize;
u32 batch_size;
u8 dst_mac[ETH_ALEN];
u8 src_mac[ETH_ALEN];
bool check_consumer;
};
int kick_rx(struct xsk_socket_info *xsk);
int kick_tx(struct xsk_socket_info *xsk);
struct xsk_umem_info {
struct xsk_ring_prod fq;
struct xsk_ring_cons cq;
struct xsk_umem *umem;
u64 next_buffer;
u32 num_frames;
u32 frame_headroom;
void *buffer;
u32 frame_size;
u32 base_addr;
u32 fill_size;
u32 comp_size;
bool unaligned_mode;
};
struct set_hw_ring {
u32 default_tx;
u32 default_rx;
};
int hw_ring_size_reset(struct ifobject *ifobj);
struct ifobject {
char ifname[MAX_INTERFACE_NAME_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 xsk_xdp_progs *xdp_progs;
struct bpf_map *xskmap;
struct bpf_program *xdp_prog;
struct ethtool_ringparam ring;
struct set_hw_ring set_ring;
enum test_mode mode;
int ifindex;
int mtu;
u32 bind_flags;
u32 xdp_zc_max_segs;
bool tx_on;
bool rx_on;
bool use_poll;
bool busy_poll;
bool use_fill_ring;
bool release_rx;
bool shared_umem;
bool use_metadata;
bool unaligned_supp;
bool multi_buff_supp;
bool multi_buff_zc_supp;
bool hw_ring_size_supp;
};
struct ifobject *ifobject_create(void);
void ifobject_delete(struct ifobject *ifobj);
int init_iface(struct ifobject *ifobj, thread_func_t func_ptr);
int xsk_configure_umem(struct ifobject *ifobj, struct xsk_umem_info *umem, void *buffer, u64 size);
int xsk_configure_socket(struct xsk_socket_info *xsk, struct xsk_umem_info *umem,
struct ifobject *ifobject, bool shared);
struct pkt {
int offset;
u32 len;
u32 pkt_nb;
bool valid;
u16 options;
};
struct pkt_stream {
u32 nb_pkts;
u32 current_pkt_nb;
struct pkt *pkts;
u32 max_pkt_len;
u32 nb_rx_pkts;
u32 nb_valid_entries;
bool verbatim;
};
static inline bool pkt_continues(u32 options)
{
return options & XDP_PKT_CONTD;
}
struct pkt_stream *pkt_stream_generate(u32 nb_pkts, u32 pkt_len);
void pkt_stream_delete(struct pkt_stream *pkt_stream);
void pkt_stream_reset(struct pkt_stream *pkt_stream);
void pkt_stream_restore_default(struct test_spec *test);
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;
struct bpf_program *xdp_prog_rx;
struct bpf_program *xdp_prog_tx;
struct bpf_map *xskmap_rx;
struct bpf_map *xskmap_tx;
test_func_t test_func;
int mtu;
u16 total_steps;
u16 current_step;
u16 nb_sockets;
bool fail;
bool set_ring;
bool adjust_tail;
bool adjust_tail_support;
enum test_mode mode;
char name[MAX_TEST_NAME_SIZE];
};
#define busy_poll_string(test) (test)->ifobj_tx->busy_poll ? "BUSY-POLL " : ""
static inline char *mode_string(struct test_spec *test)
{
switch (test->mode) {
case TEST_MODE_SKB:
return "SKB";
case TEST_MODE_DRV:
return "DRV";
case TEST_MODE_ZC:
return "ZC";
default:
return "BOGUS";
}
}
void test_init(struct test_spec *test, struct ifobject *ifobj_tx,
struct ifobject *ifobj_rx, enum test_mode mode,
const struct test_spec *test_to_run);
int testapp_adjust_tail_grow(struct test_spec *test);
int testapp_adjust_tail_grow_mb(struct test_spec *test);
int testapp_adjust_tail_shrink(struct test_spec *test);
int testapp_adjust_tail_shrink_mb(struct test_spec *test);
int testapp_aligned_inv_desc(struct test_spec *test);
int testapp_aligned_inv_desc_2k_frame(struct test_spec *test);
int testapp_aligned_inv_desc_mb(struct test_spec *test);
int testapp_bidirectional(struct test_spec *test);
int testapp_headroom(struct test_spec *test);
int testapp_hw_sw_max_ring_size(struct test_spec *test);
int testapp_hw_sw_min_ring_size(struct test_spec *test);
int testapp_poll_rx(struct test_spec *test);
int testapp_poll_rxq_tmout(struct test_spec *test);
int testapp_poll_tx(struct test_spec *test);
int testapp_poll_txq_tmout(struct test_spec *test);
int testapp_send_receive(struct test_spec *test);
int testapp_send_receive_2k_frame(struct test_spec *test);
int testapp_send_receive_mb(struct test_spec *test);
int testapp_send_receive_unaligned(struct test_spec *test);
int testapp_send_receive_unaligned_mb(struct test_spec *test);
int testapp_single_pkt(struct test_spec *test);
int testapp_stats_fill_empty(struct test_spec *test);
int testapp_stats_rx_dropped(struct test_spec *test);
int testapp_stats_tx_invalid_descs(struct test_spec *test);
int testapp_stats_rx_full(struct test_spec *test);
int testapp_teardown(struct test_spec *test);
int testapp_too_many_frags(struct test_spec *test);
int testapp_tx_queue_consumer(struct test_spec *test);
int testapp_unaligned_inv_desc(struct test_spec *test);
int testapp_unaligned_inv_desc_4001_frame(struct test_spec *test);
int testapp_unaligned_inv_desc_mb(struct test_spec *test);
int testapp_xdp_drop(struct test_spec *test);
int testapp_xdp_metadata(struct test_spec *test);
int testapp_xdp_metadata_mb(struct test_spec *test);
int testapp_xdp_prog_cleanup(struct test_spec *test);
int testapp_xdp_shared_umem(struct test_spec *test);
void *worker_testapp_validate_rx(void *arg);
void *worker_testapp_validate_tx(void *arg);
static const struct test_spec tests[] = {
{.name = "SEND_RECEIVE", .test_func = testapp_send_receive},
{.name = "SEND_RECEIVE_2K_FRAME", .test_func = testapp_send_receive_2k_frame},
{.name = "SEND_RECEIVE_SINGLE_PKT", .test_func = testapp_single_pkt},
{.name = "POLL_RX", .test_func = testapp_poll_rx},
{.name = "POLL_TX", .test_func = testapp_poll_tx},
{.name = "POLL_RXQ_FULL", .test_func = testapp_poll_rxq_tmout},
{.name = "POLL_TXQ_FULL", .test_func = testapp_poll_txq_tmout},
{.name = "ALIGNED_INV_DESC", .test_func = testapp_aligned_inv_desc},
{.name = "ALIGNED_INV_DESC_2K_FRAME_SIZE", .test_func = testapp_aligned_inv_desc_2k_frame},
{.name = "UMEM_HEADROOM", .test_func = testapp_headroom},
{.name = "BIDIRECTIONAL", .test_func = testapp_bidirectional},
{.name = "STAT_RX_DROPPED", .test_func = testapp_stats_rx_dropped},
{.name = "STAT_TX_INVALID", .test_func = testapp_stats_tx_invalid_descs},
{.name = "STAT_RX_FULL", .test_func = testapp_stats_rx_full},
{.name = "STAT_FILL_EMPTY", .test_func = testapp_stats_fill_empty},
{.name = "XDP_PROG_CLEANUP", .test_func = testapp_xdp_prog_cleanup},
{.name = "XDP_DROP_HALF", .test_func = testapp_xdp_drop},
{.name = "XDP_SHARED_UMEM", .test_func = testapp_xdp_shared_umem},
{.name = "XDP_METADATA_COPY", .test_func = testapp_xdp_metadata},
{.name = "XDP_METADATA_COPY_MULTI_BUFF", .test_func = testapp_xdp_metadata_mb},
{.name = "ALIGNED_INV_DESC_MULTI_BUFF", .test_func = testapp_aligned_inv_desc_mb},
{.name = "TOO_MANY_FRAGS", .test_func = testapp_too_many_frags},
{.name = "XDP_ADJUST_TAIL_SHRINK", .test_func = testapp_adjust_tail_shrink},
{.name = "TX_QUEUE_CONSUMER", .test_func = testapp_tx_queue_consumer},
};
static const struct test_spec ci_skip_tests[] = {
/* Flaky tests */
{.name = "XDP_ADJUST_TAIL_SHRINK_MULTI_BUFF", .test_func = testapp_adjust_tail_shrink_mb},
{.name = "XDP_ADJUST_TAIL_GROW", .test_func = testapp_adjust_tail_grow},
{.name = "XDP_ADJUST_TAIL_GROW_MULTI_BUFF", .test_func = testapp_adjust_tail_grow_mb},
{.name = "SEND_RECEIVE_9K_PACKETS", .test_func = testapp_send_receive_mb},
/* Tests with huge page dependency */
{.name = "SEND_RECEIVE_UNALIGNED", .test_func = testapp_send_receive_unaligned},
{.name = "UNALIGNED_INV_DESC", .test_func = testapp_unaligned_inv_desc},
{.name = "UNALIGNED_INV_DESC_4001_FRAME_SIZE",
.test_func = testapp_unaligned_inv_desc_4001_frame},
{.name = "SEND_RECEIVE_UNALIGNED_9K_PACKETS",
.test_func = testapp_send_receive_unaligned_mb},
{.name = "UNALIGNED_INV_DESC_MULTI_BUFF", .test_func = testapp_unaligned_inv_desc_mb},
/* Test with HW ring size dependency */
{.name = "HW_SW_MIN_RING_SIZE", .test_func = testapp_hw_sw_min_ring_size},
{.name = "HW_SW_MAX_RING_SIZE", .test_func = testapp_hw_sw_max_ring_size},
/* Too long test */
{.name = "TEARDOWN", .test_func = testapp_teardown},
};
#endif /* TEST_XSK_H_ */
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