From 00fdf53c7076d1bd0045439e73f0144d613eb09c Mon Sep 17 00:00:00 2001 From: Chenmin Sun Date: Mon, 17 Feb 2020 02:19:15 +0800 Subject: gtpu: offload RX flow ip4 gtpu cli/api (using flow infra) to create flows and enable them on different hardware (currently tested with ice) to offload a gtpu tunnel onto hw: set flow-offload gtpu hw TwentyFiveGigabitEthernet3/0/0 rx gtpu_tunnel0 to remove offload: set flow-offload gtpu hw TwentyFiveGigabitEthernet3/0/0 rx gtpu_tunnel0 del TODO:ipv6 handling Type: feature Signed-off-by: Chenmin Sun Change-Id: I8e356feeb0b16cfeadc1bbbe92f773aa2916e715 --- src/plugins/gtpu/gtpu_api.c | 59 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 59 insertions(+) (limited to 'src/plugins/gtpu/gtpu_api.c') diff --git a/src/plugins/gtpu/gtpu_api.c b/src/plugins/gtpu/gtpu_api.c index 0c4a31521bb..50eb0a129f5 100644 --- a/src/plugins/gtpu/gtpu_api.c +++ b/src/plugins/gtpu/gtpu_api.c @@ -34,6 +34,65 @@ #define REPLY_MSG_ID_BASE gtm->msg_id_base #include +static void +vl_api_gtpu_offload_rx_t_handler (vl_api_gtpu_offload_rx_t * mp) +{ + vl_api_gtpu_offload_rx_reply_t *rmp; + int rv = 0; + vl_api_interface_index_t hw_if_index = ntohl (mp->hw_if_index); + vl_api_interface_index_t sw_if_index = ntohl (mp->sw_if_index); + + if (!vnet_hw_interface_is_valid (vnet_get_main (), hw_if_index)) + { + rv = VNET_API_ERROR_NO_SUCH_ENTRY; + goto err; + } + VALIDATE_SW_IF_INDEX (mp); + + u32 t_index = vnet_gtpu_get_tunnel_index (sw_if_index); + if (t_index == ~0) + { + rv = VNET_API_ERROR_INVALID_SW_IF_INDEX_2; + goto err; + } + + gtpu_main_t *gtm = >pu_main; + gtpu_tunnel_t *t = pool_elt_at_index (gtm->tunnels, t_index); + if (!ip46_address_is_ip4 (&t->dst)) + { + rv = VNET_API_ERROR_INVALID_ADDRESS_FAMILY; + goto err; + } + + if (t->decap_next_index != GTPU_INPUT_NEXT_IP4_INPUT) + { + rv = VNET_API_ERROR_INVALID_ADDRESS_FAMILY; + goto err; + } + + vnet_main_t *vnm = vnet_get_main (); + vnet_hw_interface_t *hw_if = vnet_get_hw_interface (vnm, hw_if_index); + ip4_main_t *im = &ip4_main; + u32 rx_fib_index = + vec_elt (im->fib_index_by_sw_if_index, hw_if->sw_if_index); + + if (t->encap_fib_index != rx_fib_index) + { + rv = VNET_API_ERROR_NO_SUCH_FIB; + goto err; + } + + if (vnet_gtpu_add_del_rx_flow (hw_if_index, t_index, mp->enable)) + { + rv = VNET_API_ERROR_UNSPECIFIED; + goto err; + } + BAD_SW_IF_INDEX_LABEL; +err: + + REPLY_MACRO (VL_API_GTPU_OFFLOAD_RX_REPLY); +} + static void vl_api_sw_interface_set_gtpu_bypass_t_handler (vl_api_sw_interface_set_gtpu_bypass_t * mp) -- cgit 1.2.3-korg