From 0bfc222e3df4e5ccfb7c6f580d8943681a88f031 Mon Sep 17 00:00:00 2001 From: Mohsin Kazmi Date: Mon, 11 Apr 2022 16:14:45 +0000 Subject: devices: add af-packet v3 api Type: improvement Signed-off-by: Mohsin Kazmi Change-Id: I4679acbe4fd4400d57c0a79b0a6c74c8f1639703 --- src/vnet/devices/af_packet/af_packet_api.c | 60 ++++++++++++++++++++++++++++++ 1 file changed, 60 insertions(+) (limited to 'src/vnet/devices/af_packet/af_packet_api.c') 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 @@ -93,6 +93,66 @@ 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) { -- cgit 1.2.3-korg