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selftests/bpf: test_xsk: Split xskxceiver
AF_XDP features are tested by the test_xsk.sh script but not by the
test_progs framework. The tests used by the script are defined in
xksxceiver.c which can't be integrated in the test_progs framework as is.
Extract these test definitions from xskxceiver{.c/.h} to put them in new
test_xsk{.c/.h} files.
Keep the main() function and its unshared dependencies in xksxceiver to
avoid impacting the test_xsk.sh script which is often used to test real
hardware.
Move ksft_test_result_*() calls to xskxceiver.c to keep the kselftest's
report valid
Reviewed-by: Maciej Fijalkowski <maciej.fijalkowski@intel.com>
Signed-off-by: Bastien Curutchet (eBPF Foundation) <bastien.curutchet@bootlin.com>
Link: https://lore.kernel.org/r/20251031-xsk-v7-1-39fe486593a3@bootlin.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
This commit is contained in:
Bastien Curutchet (eBPF Foundation)
committed by
Alexei Starovoitov
Alexei Starovoitov
parent
5701d5aefa
commit
3ab77f35a7
@@ -805,7 +805,7 @@ $(OUTPUT)/test_verifier: test_verifier.c verifier/tests.h $(BPFOBJ) | $(OUTPUT)
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# Include find_bit.c to compile xskxceiver.
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EXTRA_SRC := $(TOOLSDIR)/lib/find_bit.c
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$(OUTPUT)/xskxceiver: $(EXTRA_SRC) xskxceiver.c xskxceiver.h $(OUTPUT)/network_helpers.o $(OUTPUT)/xsk.o $(OUTPUT)/xsk_xdp_progs.skel.h $(BPFOBJ) | $(OUTPUT)
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$(OUTPUT)/xskxceiver: $(EXTRA_SRC) test_xsk.c test_xsk.h xskxceiver.c xskxceiver.h $(OUTPUT)/network_helpers.o $(OUTPUT)/xsk.o $(OUTPUT)/xsk_xdp_progs.skel.h $(BPFOBJ) | $(OUTPUT)
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$(call msg,BINARY,,$@)
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$(Q)$(CC) $(CFLAGS) $(filter %.a %.o %.c,$^) $(LDLIBS) -o $@
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2420
tools/testing/selftests/bpf/test_xsk.c
Normal file
2420
tools/testing/selftests/bpf/test_xsk.c
Normal file
File diff suppressed because it is too large
Load Diff
297
tools/testing/selftests/bpf/test_xsk.h
Normal file
297
tools/testing/selftests/bpf/test_xsk.h
Normal file
@@ -0,0 +1,297 @@
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/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef TEST_XSK_H_
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#define TEST_XSK_H_
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#include <linux/ethtool.h>
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#include <linux/if_xdp.h>
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#include "../kselftest.h"
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#include "xsk.h"
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#ifndef SO_PREFER_BUSY_POLL
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#define SO_PREFER_BUSY_POLL 69
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#endif
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#ifndef SO_BUSY_POLL_BUDGET
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#define SO_BUSY_POLL_BUDGET 70
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#endif
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#define TEST_PASS 0
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#define TEST_FAILURE -1
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#define TEST_CONTINUE 1
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#define TEST_SKIP 2
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#define DEFAULT_PKT_CNT (4 * 1024)
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#define DEFAULT_UMEM_BUFFERS (DEFAULT_PKT_CNT / 4)
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#define HUGEPAGE_SIZE (2 * 1024 * 1024)
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#define MIN_PKT_SIZE 64
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#define MAX_ETH_PKT_SIZE 1518
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#define MAX_INTERFACE_NAME_CHARS 16
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#define MAX_TEST_NAME_SIZE 48
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#define SOCK_RECONF_CTR 10
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#define USLEEP_MAX 10000
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extern bool opt_verbose;
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#define print_verbose(x...) do { if (opt_verbose) ksft_print_msg(x); } while (0)
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static void __exit_with_error(int error, const char *file, const char *func, int line)
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{
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ksft_test_result_fail("[%s:%s:%i]: ERROR: %d/\"%s\"\n", file, func, line, error,
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strerror(error));
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ksft_exit_xfail();
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}
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#define exit_with_error(error) __exit_with_error(error, __FILE__, __func__, __LINE__)
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static inline u32 ceil_u32(u32 a, u32 b)
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{
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return (a + b - 1) / b;
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}
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static inline u64 ceil_u64(u64 a, u64 b)
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{
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return (a + b - 1) / b;
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}
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/* Simple test */
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enum test_mode {
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TEST_MODE_SKB,
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TEST_MODE_DRV,
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TEST_MODE_ZC,
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TEST_MODE_ALL
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};
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struct ifobject;
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struct test_spec;
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typedef int (*validation_func_t)(struct ifobject *ifobj);
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typedef void *(*thread_func_t)(void *arg);
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typedef int (*test_func_t)(struct test_spec *test);
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struct xsk_socket_info {
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struct xsk_ring_cons rx;
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struct xsk_ring_prod tx;
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struct xsk_umem_info *umem;
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struct xsk_socket *xsk;
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struct pkt_stream *pkt_stream;
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u32 outstanding_tx;
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u32 rxqsize;
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u32 batch_size;
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u8 dst_mac[ETH_ALEN];
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u8 src_mac[ETH_ALEN];
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bool check_consumer;
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};
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int kick_rx(struct xsk_socket_info *xsk);
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int kick_tx(struct xsk_socket_info *xsk);
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struct xsk_umem_info {
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struct xsk_ring_prod fq;
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struct xsk_ring_cons cq;
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struct xsk_umem *umem;
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u64 next_buffer;
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u32 num_frames;
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u32 frame_headroom;
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void *buffer;
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u32 frame_size;
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u32 base_addr;
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u32 fill_size;
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u32 comp_size;
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bool unaligned_mode;
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};
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struct set_hw_ring {
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u32 default_tx;
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u32 default_rx;
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};
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int hw_ring_size_reset(struct ifobject *ifobj);
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struct ifobject {
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char ifname[MAX_INTERFACE_NAME_CHARS];
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struct xsk_socket_info *xsk;
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struct xsk_socket_info *xsk_arr;
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struct xsk_umem_info *umem;
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thread_func_t func_ptr;
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validation_func_t validation_func;
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struct xsk_xdp_progs *xdp_progs;
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struct bpf_map *xskmap;
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struct bpf_program *xdp_prog;
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struct ethtool_ringparam ring;
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struct set_hw_ring set_ring;
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enum test_mode mode;
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int ifindex;
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int mtu;
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u32 bind_flags;
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u32 xdp_zc_max_segs;
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bool tx_on;
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bool rx_on;
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bool use_poll;
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bool busy_poll;
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bool use_fill_ring;
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bool release_rx;
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bool shared_umem;
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bool use_metadata;
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bool unaligned_supp;
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bool multi_buff_supp;
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bool multi_buff_zc_supp;
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bool hw_ring_size_supp;
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};
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struct ifobject *ifobject_create(void);
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void ifobject_delete(struct ifobject *ifobj);
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void init_iface(struct ifobject *ifobj, thread_func_t func_ptr);
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int xsk_configure_umem(struct ifobject *ifobj, struct xsk_umem_info *umem, void *buffer, u64 size);
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int xsk_configure_socket(struct xsk_socket_info *xsk, struct xsk_umem_info *umem,
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struct ifobject *ifobject, bool shared);
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struct pkt {
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int offset;
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u32 len;
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u32 pkt_nb;
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bool valid;
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u16 options;
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};
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struct pkt_stream {
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u32 nb_pkts;
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u32 current_pkt_nb;
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struct pkt *pkts;
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u32 max_pkt_len;
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u32 nb_rx_pkts;
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u32 nb_valid_entries;
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bool verbatim;
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};
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static inline bool pkt_continues(u32 options)
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{
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return options & XDP_PKT_CONTD;
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}
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struct pkt_stream *pkt_stream_generate(u32 nb_pkts, u32 pkt_len);
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void pkt_stream_delete(struct pkt_stream *pkt_stream);
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void pkt_stream_reset(struct pkt_stream *pkt_stream);
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void pkt_stream_restore_default(struct test_spec *test);
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struct test_spec {
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struct ifobject *ifobj_tx;
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struct ifobject *ifobj_rx;
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struct pkt_stream *tx_pkt_stream_default;
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struct pkt_stream *rx_pkt_stream_default;
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struct bpf_program *xdp_prog_rx;
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struct bpf_program *xdp_prog_tx;
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struct bpf_map *xskmap_rx;
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struct bpf_map *xskmap_tx;
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test_func_t test_func;
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int mtu;
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u16 total_steps;
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u16 current_step;
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u16 nb_sockets;
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bool fail;
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bool set_ring;
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bool adjust_tail;
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bool adjust_tail_support;
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enum test_mode mode;
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char name[MAX_TEST_NAME_SIZE];
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};
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#define busy_poll_string(test) (test)->ifobj_tx->busy_poll ? "BUSY-POLL " : ""
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static inline char *mode_string(struct test_spec *test)
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{
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switch (test->mode) {
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case TEST_MODE_SKB:
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return "SKB";
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case TEST_MODE_DRV:
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return "DRV";
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case TEST_MODE_ZC:
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return "ZC";
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default:
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return "BOGUS";
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}
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}
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void test_init(struct test_spec *test, struct ifobject *ifobj_tx,
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struct ifobject *ifobj_rx, enum test_mode mode,
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const struct test_spec *test_to_run);
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int testapp_adjust_tail_grow(struct test_spec *test);
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int testapp_adjust_tail_grow_mb(struct test_spec *test);
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int testapp_adjust_tail_shrink(struct test_spec *test);
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int testapp_adjust_tail_shrink_mb(struct test_spec *test);
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int testapp_aligned_inv_desc(struct test_spec *test);
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int testapp_aligned_inv_desc_2k_frame(struct test_spec *test);
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int testapp_aligned_inv_desc_mb(struct test_spec *test);
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int testapp_bidirectional(struct test_spec *test);
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int testapp_headroom(struct test_spec *test);
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int testapp_hw_sw_max_ring_size(struct test_spec *test);
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int testapp_hw_sw_min_ring_size(struct test_spec *test);
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int testapp_poll_rx(struct test_spec *test);
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int testapp_poll_rxq_tmout(struct test_spec *test);
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int testapp_poll_tx(struct test_spec *test);
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int testapp_poll_txq_tmout(struct test_spec *test);
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int testapp_send_receive(struct test_spec *test);
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int testapp_send_receive_2k_frame(struct test_spec *test);
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int testapp_send_receive_mb(struct test_spec *test);
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int testapp_send_receive_unaligned(struct test_spec *test);
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int testapp_send_receive_unaligned_mb(struct test_spec *test);
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int testapp_single_pkt(struct test_spec *test);
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int testapp_stats_fill_empty(struct test_spec *test);
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int testapp_stats_rx_dropped(struct test_spec *test);
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int testapp_stats_tx_invalid_descs(struct test_spec *test);
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int testapp_stats_rx_full(struct test_spec *test);
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int testapp_teardown(struct test_spec *test);
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int testapp_too_many_frags(struct test_spec *test);
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int testapp_tx_queue_consumer(struct test_spec *test);
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int testapp_unaligned_inv_desc(struct test_spec *test);
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int testapp_unaligned_inv_desc_4001_frame(struct test_spec *test);
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int testapp_unaligned_inv_desc_mb(struct test_spec *test);
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int testapp_xdp_drop(struct test_spec *test);
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int testapp_xdp_metadata(struct test_spec *test);
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int testapp_xdp_metadata_mb(struct test_spec *test);
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int testapp_xdp_prog_cleanup(struct test_spec *test);
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int testapp_xdp_shared_umem(struct test_spec *test);
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void *worker_testapp_validate_rx(void *arg);
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void *worker_testapp_validate_tx(void *arg);
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static const struct test_spec tests[] = {
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{.name = "SEND_RECEIVE", .test_func = testapp_send_receive},
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{.name = "SEND_RECEIVE_2K_FRAME", .test_func = testapp_send_receive_2k_frame},
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{.name = "SEND_RECEIVE_SINGLE_PKT", .test_func = testapp_single_pkt},
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{.name = "POLL_RX", .test_func = testapp_poll_rx},
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{.name = "POLL_TX", .test_func = testapp_poll_tx},
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{.name = "POLL_RXQ_FULL", .test_func = testapp_poll_rxq_tmout},
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{.name = "POLL_TXQ_FULL", .test_func = testapp_poll_txq_tmout},
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{.name = "SEND_RECEIVE_UNALIGNED", .test_func = testapp_send_receive_unaligned},
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{.name = "ALIGNED_INV_DESC", .test_func = testapp_aligned_inv_desc},
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{.name = "ALIGNED_INV_DESC_2K_FRAME_SIZE", .test_func = testapp_aligned_inv_desc_2k_frame},
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{.name = "UNALIGNED_INV_DESC", .test_func = testapp_unaligned_inv_desc},
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{.name = "UNALIGNED_INV_DESC_4001_FRAME_SIZE",
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.test_func = testapp_unaligned_inv_desc_4001_frame},
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{.name = "UMEM_HEADROOM", .test_func = testapp_headroom},
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{.name = "TEARDOWN", .test_func = testapp_teardown},
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{.name = "BIDIRECTIONAL", .test_func = testapp_bidirectional},
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{.name = "STAT_RX_DROPPED", .test_func = testapp_stats_rx_dropped},
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{.name = "STAT_TX_INVALID", .test_func = testapp_stats_tx_invalid_descs},
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{.name = "STAT_RX_FULL", .test_func = testapp_stats_rx_full},
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{.name = "STAT_FILL_EMPTY", .test_func = testapp_stats_fill_empty},
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{.name = "XDP_PROG_CLEANUP", .test_func = testapp_xdp_prog_cleanup},
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{.name = "XDP_DROP_HALF", .test_func = testapp_xdp_drop},
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{.name = "XDP_SHARED_UMEM", .test_func = testapp_xdp_shared_umem},
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{.name = "XDP_METADATA_COPY", .test_func = testapp_xdp_metadata},
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{.name = "XDP_METADATA_COPY_MULTI_BUFF", .test_func = testapp_xdp_metadata_mb},
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{.name = "SEND_RECEIVE_9K_PACKETS", .test_func = testapp_send_receive_mb},
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{.name = "SEND_RECEIVE_UNALIGNED_9K_PACKETS",
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.test_func = testapp_send_receive_unaligned_mb},
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{.name = "ALIGNED_INV_DESC_MULTI_BUFF", .test_func = testapp_aligned_inv_desc_mb},
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{.name = "UNALIGNED_INV_DESC_MULTI_BUFF", .test_func = testapp_unaligned_inv_desc_mb},
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{.name = "TOO_MANY_FRAGS", .test_func = testapp_too_many_frags},
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{.name = "HW_SW_MIN_RING_SIZE", .test_func = testapp_hw_sw_min_ring_size},
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{.name = "HW_SW_MAX_RING_SIZE", .test_func = testapp_hw_sw_max_ring_size},
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{.name = "XDP_ADJUST_TAIL_SHRINK", .test_func = testapp_adjust_tail_shrink},
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{.name = "XDP_ADJUST_TAIL_SHRINK_MULTI_BUFF", .test_func = testapp_adjust_tail_shrink_mb},
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{.name = "XDP_ADJUST_TAIL_GROW", .test_func = testapp_adjust_tail_grow},
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{.name = "XDP_ADJUST_TAIL_GROW_MULTI_BUFF", .test_func = testapp_adjust_tail_grow_mb},
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{.name = "TX_QUEUE_CONSUMER", .test_func = testapp_tx_queue_consumer},
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};
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#endif /* TEST_XSK_H_ */
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File diff suppressed because it is too large
Load Diff
@@ -22,169 +22,13 @@
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#define PF_XDP AF_XDP
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#endif
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#ifndef SO_BUSY_POLL_BUDGET
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#define SO_BUSY_POLL_BUDGET 70
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#endif
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#ifndef SO_PREFER_BUSY_POLL
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#define SO_PREFER_BUSY_POLL 69
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#endif
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#define TEST_PASS 0
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#define TEST_FAILURE -1
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#define TEST_CONTINUE 1
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#define TEST_SKIP 2
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#define MAX_INTERFACES 2
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#define MAX_INTERFACE_NAME_CHARS 16
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#define MAX_TEST_NAME_SIZE 48
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#define MAX_TEARDOWN_ITER 10
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#define PKT_HDR_SIZE (sizeof(struct ethhdr) + 2) /* Just to align the data in the packet */
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#define MIN_PKT_SIZE 64
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#define MAX_ETH_PKT_SIZE 1518
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#define MAX_ETH_JUMBO_SIZE 9000
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#define USLEEP_MAX 10000
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#define SOCK_RECONF_CTR 10
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#define DEFAULT_BATCH_SIZE 64
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#define POLL_TMOUT 1000
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#define THREAD_TMOUT 3
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#define DEFAULT_PKT_CNT (4 * 1024)
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#define DEFAULT_UMEM_BUFFERS (DEFAULT_PKT_CNT / 4)
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#define RX_FULL_RXQSIZE 32
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#define UMEM_HEADROOM_TEST_SIZE 128
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#define XSK_UMEM__INVALID_FRAME_SIZE (MAX_ETH_JUMBO_SIZE + 1)
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#define XSK_UMEM__LARGE_FRAME_SIZE (3 * 1024)
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#define XSK_UMEM__MAX_FRAME_SIZE (4 * 1024)
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#define XSK_DESC__INVALID_OPTION (0xffff)
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#define HUGEPAGE_SIZE (2 * 1024 * 1024)
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#define PKT_DUMP_NB_TO_PRINT 16
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#define RUN_ALL_TESTS UINT_MAX
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#define NUM_MAC_ADDRESSES 4
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#define print_verbose(x...) do { if (opt_verbose) ksft_print_msg(x); } while (0)
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enum test_mode {
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TEST_MODE_SKB,
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TEST_MODE_DRV,
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TEST_MODE_ZC,
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TEST_MODE_ALL
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};
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struct xsk_umem_info {
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struct xsk_ring_prod fq;
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struct xsk_ring_cons cq;
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struct xsk_umem *umem;
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u64 next_buffer;
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u32 num_frames;
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u32 frame_headroom;
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void *buffer;
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u32 frame_size;
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u32 base_addr;
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u32 fill_size;
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u32 comp_size;
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bool unaligned_mode;
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};
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struct xsk_socket_info {
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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;
|
||||
};
|
||||
|
||||
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;
|
||||
};
|
||||
|
||||
struct set_hw_ring {
|
||||
u32 default_tx;
|
||||
u32 default_rx;
|
||||
};
|
||||
|
||||
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 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 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];
|
||||
};
|
||||
|
||||
pthread_barrier_t barr;
|
||||
pthread_mutex_t pacing_mutex = PTHREAD_MUTEX_INITIALIZER;
|
||||
|
||||
int pkts_in_flight;
|
||||
|
||||
static const u8 g_mac[ETH_ALEN] = {0x55, 0x44, 0x33, 0x22, 0x11, 0x00};
|
||||
|
||||
#endif /* XSKXCEIVER_H_ */
|
||||
|
||||
Reference in New Issue
Block a user