X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fplugins%2Fmemif%2Fmemif.c;h=e35a8dcb4a001abc586cd003214cd02455c582b0;hb=7a40133d3355463368085c14f9fc4b4fd22d549a;hp=f533ab97e804162f1ac396c4a7061aaf2588c10b;hpb=cef1db9c13f57a1fc49c9e500adffafa0b9ca728;p=vpp.git diff --git a/src/plugins/memif/memif.c b/src/plugins/memif/memif.c index f533ab97e80..e35a8dcb4a0 100644 --- a/src/plugins/memif/memif.c +++ b/src/plugins/memif/memif.c @@ -77,7 +77,8 @@ memif_disconnect (memif_if_t * mif, clib_error_t * err) if (mif == 0) return; - DBG ("disconnect %u (%v)", mif->dev_instance, err ? err->what : 0); + memif_log_debug (mif, "disconnect %u (%v)", mif->dev_instance, + err ? err->what : 0); if (err) { @@ -106,7 +107,10 @@ memif_disconnect (memif_if_t * mif, clib_error_t * err) clib_error_t *err; err = clib_socket_close (mif->sock); if (err) - clib_error_report (err); + { + memif_log_err (mif, "%U", format_clib_error, err); + clib_error_free (err); + } clib_mem_free (mif->sock); } @@ -119,8 +123,9 @@ memif_disconnect (memif_if_t * mif, clib_error_t * err) int rv; rv = vnet_hw_interface_unassign_rx_thread (vnm, mif->hw_if_index, i); if (rv) - DBG ("Warning: unable to unassign interface %d, " - "queue %d: rc=%d", mif->hw_if_index, i, rv); + memif_log_warn (mif, + "Unable to unassign interface %d, queue %d: rc=%d", + mif->hw_if_index, i, rv); mq->ring = 0; } } @@ -141,7 +146,7 @@ memif_disconnect (memif_if_t * mif, clib_error_t * err) if (mr->is_external) continue; if ((rv = munmap (mr->shm, mr->region_size))) - clib_warning ("munmap failed, rv = %d", rv); + memif_log_err (mif, "munmap failed, rv = %d", rv); if (mr->fd > -1) close (mr->fd); } @@ -166,7 +171,7 @@ memif_int_fd_read_ready (clib_file_t * uf) size = read (uf->file_descriptor, &b, sizeof (b)); if (size < 0) { - DBG_UNIX_LOG ("Failed to read from socket"); + memif_log_debug (mif, "Failed to read form socket"); return 0; } @@ -184,8 +189,9 @@ memif_connect (memif_if_t * mif) clib_file_t template = { 0 }; memif_region_t *mr; int i; + clib_error_t *err = NULL; - DBG ("connect %u", mif->dev_instance); + memif_log_debug (mif, "connect %u", mif->dev_instance); vec_free (mif->local_disc_string); vec_free (mif->remote_disc_string); @@ -197,11 +203,17 @@ memif_connect (memif_if_t * mif) continue; if (mr->fd < 0) - clib_error_return (0, "no memory region fd"); + { + err = clib_error_return (0, "no memory region fd"); + goto error; + } if ((mr->shm = mmap (NULL, mr->region_size, PROT_READ | PROT_WRITE, MAP_SHARED, mr->fd, 0)) == MAP_FAILED) - return clib_error_return_unix (0, "mmap"); + { + err = clib_error_return_unix (0, "mmap"); + goto error; + } } /* *INDENT-ON* */ @@ -214,7 +226,10 @@ memif_connect (memif_if_t * mif) mq->ring = mif->regions[mq->region].shm + mq->offset; if (mq->ring->cookie != MEMIF_COOKIE) - return clib_error_return (0, "wrong cookie on tx ring %u", i); + { + err = clib_error_return (0, "wrong cookie on tx ring %u", i); + goto error; + } } vec_foreach_index (i, mif->rx_queues) @@ -224,7 +239,10 @@ memif_connect (memif_if_t * mif) mq->ring = mif->regions[mq->region].shm + mq->offset; if (mq->ring->cookie != MEMIF_COOKIE) - return clib_error_return (0, "wrong cookie on tx ring %u", i); + { + err = clib_error_return (0, "wrong cookie on tx ring %u", i); + goto error; + } if (mq->int_fd > -1) { @@ -239,8 +257,8 @@ memif_connect (memif_if_t * mif) rv = vnet_hw_interface_set_rx_mode (vnm, mif->hw_if_index, i, VNET_HW_INTERFACE_RX_MODE_DEFAULT); if (rv) - clib_warning - ("Warning: unable to set rx mode for interface %d queue %d: " + memif_log_err + (mif, "Warning: unable to set rx mode for interface %d queue %d: " "rc=%d", mif->hw_if_index, i, rv); else { @@ -261,6 +279,10 @@ memif_connect (memif_if_t * mif) vnet_hw_interface_set_flags (vnm, mif->hw_if_index, VNET_HW_INTERFACE_FLAG_LINK_UP); return 0; + +error: + memif_log_err (mif, "%U", format_clib_error, err); + return err; } static_always_inline memif_ring_t * @@ -307,7 +329,7 @@ memif_init_regions_and_queues (memif_if_t * mif) err = clib_mem_vm_ext_alloc (&alloc); if (err) - return err; + goto error; r->fd = alloc.fd; r->shm = alloc.addr; @@ -376,7 +398,10 @@ memif_init_regions_and_queues (memif_if_t * mif) { memif_queue_t *mq = vec_elt_at_index (mif->tx_queues, i); if ((mq->int_fd = eventfd (0, EFD_NONBLOCK)) < 0) - return clib_error_return_unix (0, "eventfd[tx queue %u]", i); + { + err = clib_error_return_unix (0, "eventfd[tx queue %u]", i); + goto error; + } mq->int_clib_file_index = ~0; mq->ring = memif_get_ring (mif, MEMIF_RING_S2M, i); mq->log2_ring_size = mif->cfg.log2_ring_size; @@ -399,7 +424,10 @@ memif_init_regions_and_queues (memif_if_t * mif) { memif_queue_t *mq = vec_elt_at_index (mif->rx_queues, i); if ((mq->int_fd = eventfd (0, EFD_NONBLOCK)) < 0) - return clib_error_return_unix (0, "eventfd[rx queue %u]", i); + { + err = clib_error_return_unix (0, "eventfd[rx queue %u]", i); + goto error; + } mq->int_clib_file_index = ~0; mq->ring = memif_get_ring (mif, MEMIF_RING_M2S, i); mq->log2_ring_size = mif->cfg.log2_ring_size; @@ -414,6 +442,10 @@ memif_init_regions_and_queues (memif_if_t * mif) /* *INDENT-ON* */ return 0; + +error: + memif_log_err (mif, "%U", format_clib_error, err); + return err; } static uword @@ -522,7 +554,6 @@ VLIB_REGISTER_NODE (memif_process_node,static) = { }; /* *INDENT-ON* */ - static int memif_add_socket_file (u32 sock_id, u8 * socket_filename) { @@ -544,8 +575,6 @@ memif_add_socket_file (u32 sock_id, u8 * socket_filename) return VNET_API_ERROR_ENTRY_ALREADY_EXISTS; } - DBG ("creating socket file (uninitialized) %s", msf->filename); - pool_get (mm->socket_files, msf); memset (msf, 0, sizeof (memif_socket_file_t)); @@ -589,7 +618,12 @@ memif_delete_socket_file (u32 sock_id) int memif_socket_filename_add_del (u8 is_add, u32 sock_id, u8 * sock_filename) { - if (sock_id == 0 || sock_id == ~0) + struct stat file_stat; + char *dir = 0, *tmp; + u32 idx = 0; + + /* allow adding socket id 0 */ + if ((sock_id == 0 && is_add == 0) || sock_id == ~0) { return VNET_API_ERROR_INVALID_ARGUMENT; } @@ -607,7 +641,23 @@ memif_socket_filename_add_del (u8 is_add, u32 sock_id, u8 * sock_filename) if (sock_filename[0] != '/') { clib_error_t *error; - error = vlib_unix_recursive_mkdir (vlib_unix_get_runtime_dir ()); + + /* copy runtime dir path */ + vec_add (dir, vlib_unix_get_runtime_dir (), + strlen (vlib_unix_get_runtime_dir ())); + vec_add1 (dir, '/'); + + /* if sock_filename contains dirs, add them to path */ + tmp = strrchr ((char *) sock_filename, '/'); + if (tmp) + { + idx = tmp - (char *) sock_filename; + vec_add (dir, sock_filename, idx); + } + + vec_add1 (dir, '\0'); + /* create socket dir */ + error = vlib_unix_recursive_mkdir (dir); if (error) { clib_error_free (error); @@ -620,7 +670,24 @@ memif_socket_filename_add_del (u8 is_add, u32 sock_id, u8 * sock_filename) else { sock_filename = vec_dup (sock_filename); + + /* check if directory exists */ + tmp = strrchr ((char *) sock_filename, '/'); + if (tmp) + { + idx = tmp - (char *) sock_filename; + vec_add (dir, sock_filename, idx); + vec_add1 (dir, '\0'); + } + + if (((dir == 0) || (stat (dir, &file_stat) == -1) + || (!S_ISDIR (file_stat.st_mode))) && (idx != 0)) + { + vec_free (dir); + return VNET_API_ERROR_INVALID_ARGUMENT; + } } + vec_free (dir); return memif_add_socket_file (sock_id, sock_filename); } @@ -679,7 +746,10 @@ memif_delete_if (vlib_main_t * vm, memif_if_t * mif) { err = clib_socket_close (msf->sock); if (err) - clib_error_report (err); + { + memif_log_err (mif, "%U", format_clib_error, err); + clib_error_free (err); + } clib_mem_free (msf->sock); } } @@ -760,7 +830,6 @@ memif_create_if (vlib_main_t * vm, memif_create_if_args_t * args) { error = clib_error_return (0, "File exists for %s", msf->filename); - clib_error_report (error); rv = VNET_API_ERROR_VALUE_EXIST; goto done; } @@ -771,7 +840,7 @@ memif_create_if (vlib_main_t * vm, memif_create_if_args_t * args) msf->dev_instance_by_fd = hash_create (0, sizeof (uword)); msf->is_listener = (args->is_master != 0); - DBG ("initializing socket file %s", msf->filename); + memif_log_debug (0, "initializing socket file %s", msf->filename); } if (mm->per_thread_data == 0) @@ -848,7 +917,6 @@ memif_create_if (vlib_main_t * vm, memif_create_if_args_t * args) if (error) { - clib_error_report (error); ret = VNET_API_ERROR_SYSCALL_ERROR_2; goto error; } @@ -882,7 +950,6 @@ memif_create_if (vlib_main_t * vm, memif_create_if_args_t * args) if ((error = clib_socket_init (s))) { - clib_error_report (error); ret = VNET_API_ERROR_SYSCALL_ERROR_4; goto error; } @@ -934,21 +1001,27 @@ error: mif->hw_if_index = ~0; } memif_delete_if (vm, mif); + if (error) + { + memif_log_err (mif, "%U", format_clib_error, error); + clib_error_free (error); + } return ret; done: return rv; } - static clib_error_t * memif_init (vlib_main_t * vm) { memif_main_t *mm = &memif_main; - u8 *filename; memset (mm, 0, sizeof (memif_main_t)); + mm->log_class = vlib_log_register_class ("memif_plugin", 0); + memif_log_debug (0, "initialized"); + /* initialize binary API */ memif_plugin_api_hookup (vm); @@ -957,10 +1030,7 @@ memif_init (vlib_main_t * vm) * for socket-id 0 to MEMIF_DEFAULT_SOCKET_FILENAME in the * default run-time directory. */ - filename = format (0, "%s/%s%c", - vlib_unix_get_runtime_dir (), - MEMIF_DEFAULT_SOCKET_FILENAME, 0); - memif_add_socket_file (0, filename); + memif_socket_filename_add_del (1, 0, (u8 *) MEMIF_DEFAULT_SOCKET_FILENAME); return 0; } @@ -970,7 +1040,7 @@ VLIB_INIT_FUNCTION (memif_init); /* *INDENT-OFF* */ VLIB_PLUGIN_REGISTER () = { .version = VPP_BUILD_VER, - .description = "Packet Memory Interface (experimetal)", + .description = "Packet Memory Interface (experimental)", }; /* *INDENT-ON* */