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authorChenmin Sun <chenmin.sun@intel.com>2020-02-17 02:19:15 +0800
committerDamjan Marion <dmarion@me.com>2020-02-17 12:32:59 +0000
commit00fdf53c7076d1bd0045439e73f0144d613eb09c (patch)
tree1d2214e4d401d4b74dd9295ad9040447f29bcc41 /src/plugins/gtpu/gtpu_api.c
parent4dc5a43f4871c3f0a88ad0bb9041332bf3b03f1b (diff)
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 <chenmin.sun@intel.com> Change-Id: I8e356feeb0b16cfeadc1bbbe92f773aa2916e715
Diffstat (limited to 'src/plugins/gtpu/gtpu_api.c')
-rw-r--r--src/plugins/gtpu/gtpu_api.c59
1 files changed, 59 insertions, 0 deletions
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
@@ -35,6 +35,65 @@
#include <vlibapi/api_helper_macros.h>
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 = &gtpu_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)
{