diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/plugins/af_xdp/CMakeLists.txt | 32 | ||||
| -rw-r--r-- | src/plugins/af_xdp/af_xdp.h | 2 | ||||
| -rw-r--r-- | src/plugins/af_xdp/device.c | 33 |
3 files changed, 41 insertions, 26 deletions
diff --git a/src/plugins/af_xdp/CMakeLists.txt b/src/plugins/af_xdp/CMakeLists.txt index cbe96aa59dd..1097358799b 100644 --- a/src/plugins/af_xdp/CMakeLists.txt +++ b/src/plugins/af_xdp/CMakeLists.txt @@ -11,36 +11,37 @@ # See the License for the specific language governing permissions and # limitations under the License. -vpp_find_path(BPF_INCLUDE_DIR NAMES bpf/xsk.h) -if (NOT BPF_INCLUDE_DIR) - message(WARNING "libbpf headers not found - af_xdp plugin disabled") +vpp_find_path(XDP_INCLUDE_DIR NAMES xdp/xsk.h) +if (NOT XDP_INCLUDE_DIR) + message(WARNING "libxdp headers not found - af_xdp plugin disabled") return() endif() set_property(GLOBAL PROPERTY FIND_LIBRARY_USE_LIB64_PATHS TRUE) +vpp_plugin_find_library(af_xdp XDP_LIB libxdp.a) vpp_plugin_find_library(af_xdp BPF_LIB libbpf.a) -vpp_plugin_find_library(af_xdp BPF_ELF_LIB elf) -vpp_plugin_find_library(af_xdp BPF_Z_LIB z) -if (NOT BPF_LIB OR NOT BPF_ELF_LIB OR NOT BPF_Z_LIB) +vpp_plugin_find_library(af_xdp ELF_LIB elf) +vpp_plugin_find_library(af_xdp Z_LIB z) +if (NOT XDP_LIB OR NOT BPF_LIB OR NOT ELF_LIB OR NOT Z_LIB) message(WARNING "af_xdp plugin - missing libraries - af_xdp plugin disabled") return() endif() set(CMAKE_REQUIRED_FLAGS "-fPIC") -set(CMAKE_REQUIRED_INCLUDES "${BPF_INCLUDE_DIR}") -set(CMAKE_REQUIRED_LIBRARIES "${BPF_LIB}" "${BPF_ELF_LIB}" "${BPF_Z_LIB}") +set(CMAKE_REQUIRED_INCLUDES "${XDP_INCLUDE_DIR}") +set(CMAKE_REQUIRED_LIBRARIES "${XDP_LIB}" "${BPF_LIB}" "${ELF_LIB}" "${Z_LIB}") CHECK_C_SOURCE_COMPILES(" -#include <bpf/xsk.h> +#include <xdp/xsk.h> int main(void) { return xsk_socket__create (0, 0, 0, 0, 0, 0, 0); -}" BPF_COMPILES_CHECK) -if (NOT BPF_COMPILES_CHECK) - message(WARNING "af_xdp plugins - no working libbpf found - af_xdp plugin disabled") +}" XDP_COMPILES_CHECK) +if (NOT XDP_COMPILES_CHECK) +message(WARNING "af_xdp plugins - no working libxdp found - af_xdp plugin disabled") return() endif() -include_directories(${BPF_INCLUDE_DIR}) +include_directories(${XDP_INCLUDE_DIR}) add_vpp_plugin(af_xdp SOURCES @@ -65,7 +66,8 @@ add_vpp_plugin(af_xdp test_api.c LINK_LIBRARIES + ${XDP_LIB} ${BPF_LIB} - ${BPF_ELF_LIB} - ${BPF_Z_LIB} + ${ELF_LIB} + ${Z_LIB} ) diff --git a/src/plugins/af_xdp/af_xdp.h b/src/plugins/af_xdp/af_xdp.h index 84fc65f7674..cf364fc86a8 100644 --- a/src/plugins/af_xdp/af_xdp.h +++ b/src/plugins/af_xdp/af_xdp.h @@ -20,7 +20,7 @@ #include <vlib/log.h> #include <vnet/interface.h> -#include <bpf/xsk.h> +#include <xdp/xsk.h> #define AF_XDP_NUM_RX_QUEUES_ALL ((u16)-1) diff --git a/src/plugins/af_xdp/device.c b/src/plugins/af_xdp/device.c index cccbf69cfdc..385a6e5e93d 100644 --- a/src/plugins/af_xdp/device.c +++ b/src/plugins/af_xdp/device.c @@ -176,10 +176,10 @@ af_xdp_delete_if (vlib_main_t * vm, af_xdp_device_t * ad) { int ns_fds[2]; af_xdp_enter_netns (ad->netns, ns_fds); - bpf_set_link_xdp_fd (ad->linux_ifindex, -1, 0); + bpf_xdp_detach (ad->linux_ifindex, XDP_FLAGS_UPDATE_IF_NOEXIST, NULL); af_xdp_exit_netns (ad->netns, ns_fds); - bpf_object__unload (ad->bpf_obj); + bpf_object__close (ad->bpf_obj); } vec_free (ad->xsk); @@ -198,6 +198,7 @@ static int af_xdp_load_program (af_xdp_create_if_args_t * args, af_xdp_device_t * ad) { int fd; + struct bpf_program *bpf_prog; struct rlimit r = { RLIM_INFINITY, RLIM_INFINITY }; if (setrlimit (RLIMIT_MEMLOCK, &r)) @@ -215,27 +216,39 @@ af_xdp_load_program (af_xdp_create_if_args_t * args, af_xdp_device_t * ad) goto err0; } - if (bpf_prog_load (args->prog, BPF_PROG_TYPE_XDP, &ad->bpf_obj, &fd)) + ad->bpf_obj = bpf_object__open_file (args->prog, NULL); + if (libbpf_get_error (ad->bpf_obj)) { args->rv = VNET_API_ERROR_SYSCALL_ERROR_5; - args->error = - clib_error_return_unix (0, "bpf_prog_load(%s) failed", args->prog); + args->error = clib_error_return_unix ( + 0, "bpf_object__open_file(%s) failed", args->prog); goto err0; } - if (bpf_set_link_xdp_fd (ad->linux_ifindex, fd, 0)) + bpf_prog = bpf_object__next_program (ad->bpf_obj, NULL); + if (!bpf_prog) + goto err1; + + bpf_program__set_type (bpf_prog, BPF_PROG_TYPE_XDP); + + if (bpf_object__load (ad->bpf_obj)) + goto err1; + + fd = bpf_program__fd (bpf_prog); + + if (bpf_xdp_attach (ad->linux_ifindex, fd, XDP_FLAGS_UPDATE_IF_NOEXIST, + NULL)) { args->rv = VNET_API_ERROR_SYSCALL_ERROR_6; - args->error = - clib_error_return_unix (0, "bpf_set_link_xdp_fd(%s) failed", - ad->linux_ifname); + args->error = clib_error_return_unix (0, "bpf_xdp_attach(%s) failed", + ad->linux_ifname); goto err1; } return 0; err1: - bpf_object__unload (ad->bpf_obj); + bpf_object__close (ad->bpf_obj); ad->bpf_obj = 0; err0: ad->linux_ifindex = ~0; |