diff options
| -rw-r--r-- | src/vnet/devices/af_packet/af_packet.api | 54 | ||||
| -rw-r--r-- | src/vnet/devices/af_packet/af_packet_api.c | 60 |
2 files changed, 114 insertions, 0 deletions
diff --git a/src/vnet/devices/af_packet/af_packet.api b/src/vnet/devices/af_packet/af_packet.api index c7a81c58f65..4a5cfb0fc3a 100644 --- a/src/vnet/devices/af_packet/af_packet.api +++ b/src/vnet/devices/af_packet/af_packet.api @@ -86,6 +86,60 @@ define af_packet_create_v2_reply vl_api_interface_index_t sw_if_index; }; +enum af_packet_mode { + AF_PACKET_API_MODE_ETHERNET = 1, /* mode ethernet */ + AF_PACKET_API_MODE_IP = 2, /* mode ip */ +}; + +enum af_packet_flags { + AF_PACKET_API_FLAG_QDISC_BYPASS = 1, /* enable the qdisc bypass */ + AF_PACKET_API_FLAG_CKSUM_GSO = 2, /* enable checksum/gso */ +}; + +/** \brief Create host-interface + @param client_index - opaque cookie to identify the sender + @param context - sender context, to match reply w/ request + @param mode - 1 - Ethernet, 2 - IP + @param hw_addr - interface MAC + @param use_random_hw_addr - use random generated MAC + @param host_if_name - interface name + @param rx_frame_size - frame size for RX + @param tx_frame_size - frame size for TX + @param rx_frames_per_block - frames per block for RX + @param tx_frames_per_block - frames per block for TX + @param flags - flags for the af_packet interface creation + @param num_rx_queues - number of rx queues + @param num_tx_queues - number of tx queues +*/ +define af_packet_create_v3 +{ + u32 client_index; + u32 context; + + vl_api_af_packet_mode_t mode; + vl_api_mac_address_t hw_addr; + bool use_random_hw_addr; + string host_if_name[64]; + u32 rx_frame_size; + u32 tx_frame_size; + u32 rx_frames_per_block; + u32 tx_frames_per_block; + vl_api_af_packet_flags_t flags; + u16 num_rx_queues [default=1]; + u16 num_tx_queues [default=1]; +}; + +/** \brief Create host-interface response + @param context - sender context, to match reply w/ request + @param retval - return value for request +*/ +define af_packet_create_v3_reply +{ + u32 context; + i32 retval; + vl_api_interface_index_t sw_if_index; +}; + /** \brief Delete host-interface @param client_index - opaque cookie to identify the sender @param context - sender context, to match reply w/ request diff --git a/src/vnet/devices/af_packet/af_packet_api.c b/src/vnet/devices/af_packet/af_packet_api.c index d991a2e6852..21f2c381809 100644 --- a/src/vnet/devices/af_packet/af_packet_api.c +++ b/src/vnet/devices/af_packet/af_packet_api.c @@ -94,6 +94,66 @@ vl_api_af_packet_create_v2_t_handler (vl_api_af_packet_create_v2_t *mp) } static void +vl_api_af_packet_create_v3_t_handler (vl_api_af_packet_create_v3_t *mp) +{ + af_packet_create_if_arg_t _arg, *arg = &_arg; + vl_api_af_packet_create_v3_reply_t *rmp; + int rv = 0; + + clib_memset (arg, 0, sizeof (*arg)); + + arg->host_if_name = format (0, "%s", mp->host_if_name); + vec_add1 (arg->host_if_name, 0); + + // Default number of rx/tx queue(s) + arg->num_rxqs = 1; + arg->num_txqs = 1; + arg->rx_frame_size = clib_net_to_host_u32 (mp->rx_frame_size); + arg->tx_frame_size = clib_net_to_host_u32 (mp->tx_frame_size); + arg->rx_frames_per_block = clib_net_to_host_u32 (mp->rx_frames_per_block); + arg->tx_frames_per_block = clib_net_to_host_u32 (mp->tx_frames_per_block); + arg->hw_addr = mp->use_random_hw_addr ? 0 : mp->hw_addr; + + switch (clib_net_to_host_u32 (mp->mode)) + { + case AF_PACKET_API_MODE_ETHERNET: + arg->mode = AF_PACKET_IF_MODE_ETHERNET; + break; + case AF_PACKET_API_MODE_IP: + arg->mode = AF_PACKET_IF_MODE_IP; + break; + default: + arg->sw_if_index = ~0; + rv = VNET_ERR_INVALID_VALUE; + goto error; + } + + STATIC_ASSERT (((int) AF_PACKET_API_FLAG_QDISC_BYPASS == + (int) AF_PACKET_IF_FLAGS_QDISC_BYPASS), + "af-packet qdisc-bypass api flag mismatch"); + STATIC_ASSERT ( + ((int) AF_PACKET_API_FLAG_CKSUM_GSO == (int) AF_PACKET_IF_FLAGS_CKSUM_GSO), + "af-packet checksum/gso offload api flag mismatch"); + + // Default flags + arg->flags = clib_net_to_host_u32 (mp->flags); + + if (clib_net_to_host_u16 (mp->num_rx_queues) > 1) + arg->num_rxqs = clib_net_to_host_u16 (mp->num_rx_queues); + + if (clib_net_to_host_u16 (mp->num_tx_queues) > 1) + arg->num_txqs = clib_net_to_host_u16 (mp->num_tx_queues); + + rv = af_packet_create_if (arg); + +error: + vec_free (arg->host_if_name); + REPLY_MACRO2 (VL_API_AF_PACKET_CREATE_V3_REPLY, ({ + rmp->sw_if_index = clib_host_to_net_u32 (arg->sw_if_index); + })); +} + +static void vl_api_af_packet_delete_t_handler (vl_api_af_packet_delete_t * mp) { vl_api_af_packet_delete_reply_t *rmp; |