diff options
Diffstat (limited to 'src/plugins/memif/memif_api.c')
-rw-r--r-- | src/plugins/memif/memif_api.c | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/src/plugins/memif/memif_api.c b/src/plugins/memif/memif_api.c index 1a58e4c068d..16d3686d3d4 100644 --- a/src/plugins/memif/memif_api.c +++ b/src/plugins/memif/memif_api.c @@ -204,6 +204,98 @@ reply: } /** + * @brief Message handler for memif_create_v2 API. + * @param mp vl_api_memif_create_v2_t * mp the api message + */ +void +vl_api_memif_create_v2_t_handler (vl_api_memif_create_v2_t *mp) +{ + memif_main_t *mm = &memif_main; + vlib_main_t *vm = vlib_get_main (); + vl_api_memif_create_reply_t *rmp; + memif_create_if_args_t args = { 0 }; + u32 ring_size = MEMIF_DEFAULT_RING_SIZE; + static const u8 empty_hw_addr[6]; + int rv = 0; + mac_address_t mac; + + /* id */ + args.id = clib_net_to_host_u32 (mp->id); + + /* socket-id */ + args.socket_id = clib_net_to_host_u32 (mp->socket_id); + + /* secret */ + mp->secret[ARRAY_LEN (mp->secret) - 1] = 0; + if (strlen ((char *) mp->secret) > 0) + { + vec_validate (args.secret, strlen ((char *) mp->secret)); + strncpy ((char *) args.secret, (char *) mp->secret, + vec_len (args.secret)); + } + + /* role */ + args.is_master = (ntohl (mp->role) == MEMIF_ROLE_API_MASTER); + + /* mode */ + args.mode = ntohl (mp->mode); + + args.is_zero_copy = mp->no_zero_copy ? 0 : 1; + + args.use_dma = mp->use_dma; + + /* rx/tx queues */ + if (args.is_master == 0) + { + args.rx_queues = MEMIF_DEFAULT_RX_QUEUES; + args.tx_queues = MEMIF_DEFAULT_TX_QUEUES; + if (mp->rx_queues) + { + args.rx_queues = mp->rx_queues; + } + if (mp->tx_queues) + { + args.tx_queues = mp->tx_queues; + } + } + + /* ring size */ + if (mp->ring_size) + { + ring_size = ntohl (mp->ring_size); + } + if (!is_pow2 (ring_size)) + { + rv = VNET_API_ERROR_INVALID_ARGUMENT; + goto reply; + } + args.log2_ring_size = min_log2 (ring_size); + + /* buffer size */ + args.buffer_size = MEMIF_DEFAULT_BUFFER_SIZE; + if (mp->buffer_size) + { + args.buffer_size = ntohs (mp->buffer_size); + } + + /* MAC address */ + mac_address_decode (mp->hw_addr, &mac); + if (memcmp (&mac, empty_hw_addr, 6) != 0) + { + memcpy (args.hw_addr, &mac, 6); + args.hw_addr_set = 1; + } + + rv = vnet_api_error (memif_create_if (vm, &args)); + + vec_free (args.secret); + +reply: + REPLY_MACRO2 (VL_API_MEMIF_CREATE_V2_REPLY, + ({ rmp->sw_if_index = htonl (args.sw_if_index); })); +} + +/** * @brief Message handler for memif_delete API. * @param mp vl_api_memif_delete_t * mp the api message */ |