*/
#include <plugins/gbp/gbp.h>
-#include <plugins/gbp/gbp_policy_dpo.h>
-#include <plugins/gbp/gbp_ext_itf.h>
-#include <vnet/fib/ip4_fib.h>
-#include <vnet/fib/ip6_fib.h>
-#include <vnet/dpo/load_balance.h>
+#include <plugins/gbp/gbp_classify.h>
#include <vnet/l2/l2_input.h>
-#include <vnet/l2/feat_bitmap.h>
-#include <vnet/fib/fib_table.h>
-#include <vnet/vxlan-gbp/vxlan_gbp_packet.h>
-typedef enum gbp_src_classify_type_t_
-{
- GBP_SRC_CLASSIFY_NULL,
- GBP_SRC_CLASSIFY_PORT,
- GBP_SRC_CLASSIFY_LPM,
-} gbp_src_classify_type_t;
-
-#define GBP_SRC_N_CLASSIFY (GBP_SRC_CLASSIFY_LPM + 1)
-
-/**
- * Grouping of global data for the GBP source EPG classification feature
- */
-typedef struct gbp_src_classify_main_t_
-{
- /**
- * Next nodes for L2 output features
- */
- u32 l2_input_feat_next[GBP_SRC_N_CLASSIFY][32];
-} gbp_src_classify_main_t;
-
-static gbp_src_classify_main_t gbp_src_classify_main;
-
-/**
- * per-packet trace data
- */
-typedef struct gbp_classify_trace_t_
-{
- /* per-pkt trace data */
- epg_id_t src_epg;
-} gbp_classify_trace_t;
-
-/*
- * determine the SRC EPG form the input port
- */
-always_inline uword
-gbp_classify_inline (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * frame,
- gbp_src_classify_type_t type, dpo_proto_t dproto)
-{
- gbp_src_classify_main_t *gscm = &gbp_src_classify_main;
- u32 n_left_from, *from, *to_next;
- u32 next_index;
-
- next_index = 0;
- n_left_from = frame->n_vectors;
- from = vlib_frame_vector_args (frame);
-
- while (n_left_from > 0)
- {
- u32 n_left_to_next;
-
- vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next);
-
- while (n_left_from > 0 && n_left_to_next > 0)
- {
- u32 next0, bi0, src_epg, sw_if_index0;
- const gbp_endpoint_t *ge0;
- vlib_buffer_t *b0;
-
- bi0 = from[0];
- to_next[0] = bi0;
- from += 1;
- to_next += 1;
- n_left_from -= 1;
- n_left_to_next -= 1;
-
- b0 = vlib_get_buffer (vm, bi0);
-
- sw_if_index0 = vnet_buffer (b0)->sw_if_index[VLIB_RX];
- vnet_buffer2 (b0)->gbp.flags = VXLAN_GBP_GPFLAGS_NONE;
-
- if (GBP_SRC_CLASSIFY_NULL == type)
- {
- src_epg = EPG_INVALID;
- next0 =
- vnet_l2_feature_next (b0, gscm->l2_input_feat_next[type],
- L2INPUT_FEAT_GBP_NULL_CLASSIFY);
- }
- else
- {
- if (DPO_PROTO_ETHERNET == dproto)
- {
- const ethernet_header_t *h0;
-
- h0 = vlib_buffer_get_current (b0);
- next0 =
- vnet_l2_feature_next (b0, gscm->l2_input_feat_next[type],
- L2INPUT_FEAT_GBP_SRC_CLASSIFY);
- ge0 = gbp_endpoint_find_mac (h0->src_address,
- vnet_buffer (b0)->l2.bd_index);
- }
- else if (DPO_PROTO_IP4 == dproto)
- {
- const ip4_header_t *h0;
-
- h0 = vlib_buffer_get_current (b0);
-
- ge0 = gbp_endpoint_find_ip4
- (&h0->src_address,
- fib_table_get_index_for_sw_if_index (FIB_PROTOCOL_IP4,
- sw_if_index0));
-
-
- /*
- * Go straight to looukp, do not pass go, do not collect $200
- */
- next0 = 0;
- }
- else if (DPO_PROTO_IP6 == dproto)
- {
- const ip6_header_t *h0;
-
- h0 = vlib_buffer_get_current (b0);
-
- ge0 = gbp_endpoint_find_ip6
- (&h0->src_address,
- fib_table_get_index_for_sw_if_index (FIB_PROTOCOL_IP6,
- sw_if_index0));
-
-
- /*
- * Go straight to lookup, do not pass go, do not collect $200
- */
- next0 = 0;
- }
- else
- {
- ge0 = NULL;
- next0 = 0;
- ASSERT (0);
- }
-
- if (PREDICT_TRUE (NULL != ge0))
- src_epg = ge0->ge_fwd.gef_epg_id;
- else
- src_epg = EPG_INVALID;
- }
-
- vnet_buffer2 (b0)->gbp.src_epg = src_epg;
-
- if (PREDICT_FALSE ((b0->flags & VLIB_BUFFER_IS_TRACED)))
- {
- gbp_classify_trace_t *t =
- vlib_add_trace (vm, node, b0, sizeof (*t));
- t->src_epg = src_epg;
- }
-
- vlib_validate_buffer_enqueue_x1 (vm, node, next_index,
- to_next, n_left_to_next,
- bi0, next0);
- }
-
- vlib_put_next_frame (vm, node, next_index, n_left_to_next);
- }
-
- return frame->n_vectors;
-}
-
-static uword
-gbp_src_classify (vlib_main_t * vm,
- vlib_node_runtime_t * node, vlib_frame_t * frame)
-{
- return (gbp_classify_inline (vm, node, frame,
- GBP_SRC_CLASSIFY_PORT, DPO_PROTO_ETHERNET));
-}
-
-static uword
-gbp_null_classify (vlib_main_t * vm,
- vlib_node_runtime_t * node, vlib_frame_t * frame)
-{
- return (gbp_classify_inline (vm, node, frame,
- GBP_SRC_CLASSIFY_NULL, DPO_PROTO_ETHERNET));
-}
-
-static uword
-gbp_ip4_src_classify (vlib_main_t * vm,
- vlib_node_runtime_t * node, vlib_frame_t * frame)
-{
- return (gbp_classify_inline (vm, node, frame,
- GBP_SRC_CLASSIFY_PORT, DPO_PROTO_IP4));
-}
-
-static uword
-gbp_ip6_src_classify (vlib_main_t * vm,
- vlib_node_runtime_t * node, vlib_frame_t * frame)
-{
- return (gbp_classify_inline (vm, node, frame,
- GBP_SRC_CLASSIFY_PORT, DPO_PROTO_IP6));
-}
-
-
-/* packet trace format function */
-static u8 *
-format_gbp_classify_trace (u8 * s, va_list * args)
-{
- CLIB_UNUSED (vlib_main_t * vm) = va_arg (*args, vlib_main_t *);
- CLIB_UNUSED (vlib_node_t * node) = va_arg (*args, vlib_node_t *);
- gbp_classify_trace_t *t = va_arg (*args, gbp_classify_trace_t *);
-
- s = format (s, "src-epg:%d", t->src_epg);
-
- return s;
-}
-
-/* *INDENT-OFF* */
-VLIB_REGISTER_NODE (gbp_null_classify_node) = {
- .function = gbp_null_classify,
- .name = "gbp-null-classify",
- .vector_size = sizeof (u32),
- .format_trace = format_gbp_classify_trace,
- .type = VLIB_NODE_TYPE_INTERNAL,
-
- .n_errors = 0,
- .n_next_nodes = 0,
-};
-
-VLIB_NODE_FUNCTION_MULTIARCH (gbp_null_classify_node, gbp_null_classify);
-
-VLIB_REGISTER_NODE (gbp_src_classify_node) = {
- .function = gbp_src_classify,
- .name = "gbp-src-classify",
- .vector_size = sizeof (u32),
- .format_trace = format_gbp_classify_trace,
- .type = VLIB_NODE_TYPE_INTERNAL,
-
- .n_errors = 0,
- .n_next_nodes = 0,
-};
-
-VLIB_NODE_FUNCTION_MULTIARCH (gbp_src_classify_node, gbp_src_classify);
-
-VLIB_REGISTER_NODE (gbp_ip4_src_classify_node) = {
- .function = gbp_ip4_src_classify,
- .name = "ip4-gbp-src-classify",
- .vector_size = sizeof (u32),
- .format_trace = format_gbp_classify_trace,
- .type = VLIB_NODE_TYPE_INTERNAL,
-
- .n_errors = 0,
- .n_next_nodes = 1,
- .next_nodes = {
- [0] = "ip4-lookup"
- },
-};
-
-VLIB_NODE_FUNCTION_MULTIARCH (gbp_ip4_src_classify_node, gbp_ip4_src_classify);
-
-VLIB_REGISTER_NODE (gbp_ip6_src_classify_node) = {
- .function = gbp_ip6_src_classify,
- .name = "ip6-gbp-src-classify",
- .vector_size = sizeof (u32),
- .format_trace = format_gbp_classify_trace,
- .type = VLIB_NODE_TYPE_INTERNAL,
-
- .n_errors = 0,
- .n_next_nodes = 1,
- .next_nodes = {
- [0] = "ip6-lookup"
- },
-};
-
-VLIB_NODE_FUNCTION_MULTIARCH (gbp_ip6_src_classify_node, gbp_ip6_src_classify);
-
-VNET_FEATURE_INIT (gbp_ip4_src_classify_feat_node, static) =
-{
- .arc_name = "ip4-unicast",
- .node_name = "ip4-gbp-src-classify",
- .runs_before = VNET_FEATURES ("nat44-out2in"),
-};
-VNET_FEATURE_INIT (gbp_ip6_src_classify_feat_node, static) =
-{
- .arc_name = "ip6-unicast",
- .node_name = "ip6-gbp-src-classify",
- .runs_before = VNET_FEATURES ("nat66-out2in"),
-};
-
-/* *INDENT-ON* */
-
-typedef enum gbp_lpm_classify_next_t_
-{
- GPB_LPM_CLASSIFY_DROP,
-} gbp_lpm_classify_next_t;
-
-always_inline dpo_proto_t
-ethertype_to_dpo_proto (const ethernet_header_t * eh0)
-{
- u16 etype = clib_net_to_host_u16 (eh0->type);
-
- switch (etype)
- {
- case ETHERNET_TYPE_IP4:
- return (DPO_PROTO_IP4);
- case ETHERNET_TYPE_IP6:
- return (DPO_PROTO_IP6);
- case ETHERNET_TYPE_VLAN:
- {
- ethernet_vlan_header_t *vh0;
-
- vh0 = (ethernet_vlan_header_t *) (eh0 + 1);
-
- switch (clib_net_to_host_u16 (vh0->type))
- {
- case ETHERNET_TYPE_IP4:
- return (DPO_PROTO_IP4);
- case ETHERNET_TYPE_IP6:
- return (DPO_PROTO_IP6);
- }
- }
- }
-
- return (DPO_PROTO_NONE);
-}
-
-/*
- * Determine the SRC EPG from a LPM
- */
-always_inline uword
-gbp_lpm_classify_inline (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * frame,
- dpo_proto_t dproto, u8 is_recirc)
-{
- gbp_src_classify_main_t *gscm = &gbp_src_classify_main;
- u32 n_left_from, *from, *to_next;
- u32 next_index;
-
- next_index = 0;
- n_left_from = frame->n_vectors;
- from = vlib_frame_vector_args (frame);
-
- while (n_left_from > 0)
- {
- u32 n_left_to_next;
-
- vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next);
-
- while (n_left_from > 0 && n_left_to_next > 0)
- {
- u32 bi0, sw_if_index0, fib_index0, lbi0;
- gbp_lpm_classify_next_t next0;
- const gbp_policy_dpo_t *gpd0;
- const gbp_ext_itf_t *gx0;
- const gbp_recirc_t *gr0;
- const dpo_id_t *dpo0;
- load_balance_t *lb0;
- ip4_header_t *ip4_0;
- ip6_header_t *ip6_0;
- vlib_buffer_t *b0;
- epg_id_t src_epg0;
-
- bi0 = from[0];
- to_next[0] = bi0;
- from += 1;
- to_next += 1;
- n_left_from -= 1;
- n_left_to_next -= 1;
- ip4_0 = NULL;
- ip6_0 = NULL;
- next0 = GPB_LPM_CLASSIFY_DROP;
-
- b0 = vlib_get_buffer (vm, bi0);
-
- sw_if_index0 = vnet_buffer (b0)->sw_if_index[VLIB_RX];
- vnet_buffer2 (b0)->gbp.flags = VXLAN_GBP_GPFLAGS_NONE;
-
- if (DPO_PROTO_IP4 == dproto)
- ip4_0 = vlib_buffer_get_current (b0);
- else if (DPO_PROTO_IP6 == dproto)
- ip6_0 = vlib_buffer_get_current (b0);
- else if (DPO_PROTO_ETHERNET == dproto)
- {
- const ethernet_header_t *eh0;
-
- eh0 = vlib_buffer_get_current (b0);
-
- dproto = ethertype_to_dpo_proto (eh0);
-
- switch (dproto)
- {
- case DPO_PROTO_IP4:
- ip4_0 = (vlib_buffer_get_current (b0) +
- vnet_buffer (b0)->l2.l2_len);
- break;
- case DPO_PROTO_IP6:
- ip6_0 = (vlib_buffer_get_current (b0) +
- vnet_buffer (b0)->l2.l2_len);
- break;
- default:
- /* not IP so no LPM classify possible */
- src_epg0 = EPG_INVALID;
- goto trace;
- }
- }
-
- if (is_recirc)
- {
- gr0 = gbp_recirc_get (sw_if_index0);
- fib_index0 = gr0->gr_fib_index[dproto];
-
- vnet_feature_next (&next0, b0);
- }
- else
- {
- gx0 = gbp_ext_itf_get (sw_if_index0);
- fib_index0 = gx0->gx_fib_index[dproto];
-
- next0 = vnet_l2_feature_next
- (b0, gscm->l2_input_feat_next[GBP_SRC_CLASSIFY_LPM],
- L2INPUT_FEAT_GBP_LPM_CLASSIFY);
- }
-
- if (DPO_PROTO_IP4 == dproto)
- {
- lbi0 = ip4_fib_forwarding_lookup (fib_index0,
- &ip4_0->src_address);
- }
- else if (DPO_PROTO_IP6 == dproto)
- {
- lbi0 = ip6_fib_table_fwding_lookup (&ip6_main, fib_index0,
- &ip6_0->src_address);
- }
- else
- {
- /* not IP so no LPM classify possible */
- src_epg0 = EPG_INVALID;
- goto trace;
- }
- lb0 = load_balance_get (lbi0);
- dpo0 = load_balance_get_bucket_i (lb0, 0);
-
- if (gbp_policy_dpo_type == dpo0->dpoi_type)
- {
- gpd0 = gbp_policy_dpo_get (dpo0->dpoi_index);
- src_epg0 = gpd0->gpd_epg;
- }
- else
- {
- /* could not classify => drop */
- src_epg0 = EPG_INVALID;
- next0 = GPB_LPM_CLASSIFY_DROP;
- }
-
- trace:
- vnet_buffer2 (b0)->gbp.src_epg = src_epg0;
-
- if (PREDICT_FALSE ((b0->flags & VLIB_BUFFER_IS_TRACED)))
- {
- gbp_classify_trace_t *t =
- vlib_add_trace (vm, node, b0, sizeof (*t));
- t->src_epg = src_epg0;
- }
-
- vlib_validate_buffer_enqueue_x1 (vm, node, next_index,
- to_next, n_left_to_next,
- bi0, next0);
- }
-
- vlib_put_next_frame (vm, node, next_index, n_left_to_next);
- }
-
- return frame->n_vectors;
-}
-
-static uword
-gbp_ip4_lpm_classify (vlib_main_t * vm,
- vlib_node_runtime_t * node, vlib_frame_t * frame)
-{
- return (gbp_lpm_classify_inline (vm, node, frame, DPO_PROTO_IP4, 1));
-}
-
-static uword
-gbp_ip6_lpm_classify (vlib_main_t * vm,
- vlib_node_runtime_t * node, vlib_frame_t * frame)
-{
- return (gbp_lpm_classify_inline (vm, node, frame, DPO_PROTO_IP6, 1));
-}
-
-static uword
-gbp_l2_lpm_classify (vlib_main_t * vm,
- vlib_node_runtime_t * node, vlib_frame_t * frame)
-{
- return (gbp_lpm_classify_inline (vm, node, frame, DPO_PROTO_ETHERNET, 0));
-}
-
-/* *INDENT-OFF* */
-VLIB_REGISTER_NODE (gbp_ip4_lpm_classify_node) = {
- .function = gbp_ip4_lpm_classify,
- .name = "ip4-gbp-lpm-classify",
- .vector_size = sizeof (u32),
- .format_trace = format_gbp_classify_trace,
- .type = VLIB_NODE_TYPE_INTERNAL,
-
- .n_errors = 0,
- .n_next_nodes = 1,
- .next_nodes = {
- [GPB_LPM_CLASSIFY_DROP] = "ip4-drop"
- },
-};
-
-VLIB_NODE_FUNCTION_MULTIARCH (gbp_ip4_lpm_classify_node, gbp_ip4_lpm_classify);
-
-VLIB_REGISTER_NODE (gbp_ip6_lpm_classify_node) = {
- .function = gbp_ip6_lpm_classify,
- .name = "ip6-gbp-lpm-classify",
- .vector_size = sizeof (u32),
- .format_trace = format_gbp_classify_trace,
- .type = VLIB_NODE_TYPE_INTERNAL,
-
- .n_errors = 0,
- .n_next_nodes = 1,
- .next_nodes = {
- [GPB_LPM_CLASSIFY_DROP] = "ip6-drop"
- },
-};
-
-VLIB_NODE_FUNCTION_MULTIARCH (gbp_ip6_lpm_classify_node, gbp_ip6_lpm_classify);
-
-VLIB_REGISTER_NODE (gbp_l2_lpm_classify_node) = {
- .function = gbp_l2_lpm_classify,
- .name = "l2-gbp-lpm-classify",
- .vector_size = sizeof (u32),
- .format_trace = format_gbp_classify_trace,
- .type = VLIB_NODE_TYPE_INTERNAL,
-
- .n_errors = 0,
- .n_next_nodes = 1,
- .next_nodes = {
- [GPB_LPM_CLASSIFY_DROP] = "error-drop"
- },
-};
-
-VLIB_NODE_FUNCTION_MULTIARCH (gbp_l2_lpm_classify_node, gbp_l2_lpm_classify);
-
-VNET_FEATURE_INIT (gbp_ip4_lpm_classify_feat_node, static) =
-{
- .arc_name = "ip4-unicast",
- .node_name = "ip4-gbp-lpm-classify",
- .runs_before = VNET_FEATURES ("nat44-out2in"),
-};
-VNET_FEATURE_INIT (gbp_ip6_lpm_classify_feat_node, static) =
-{
- .arc_name = "ip6-unicast",
- .node_name = "ip6-gbp-lpm-classify",
- .runs_before = VNET_FEATURES ("nat66-out2in"),
-};
-
-/* *INDENT-ON* */
+gbp_src_classify_main_t gbp_src_classify_main;
static clib_error_t *
gbp_src_classify_init (vlib_main_t * vm)
{
gbp_src_classify_main_t *em = &gbp_src_classify_main;
+ vlib_node_t *node = vlib_get_node_by_name (vm, (u8 *) "gbp-src-classify");
+
/* Initialize the feature next-node indexes */
feat_bitmap_init_next_nodes (vm,
- gbp_src_classify_node.index,
+ node->index,
L2INPUT_N_FEAT,
l2input_get_feat_names (),
em->l2_input_feat_next[GBP_SRC_CLASSIFY_NULL]);
+
+ node = vlib_get_node_by_name (vm, (u8 *) "gbp-null-classify");
feat_bitmap_init_next_nodes (vm,
- gbp_null_classify_node.index,
+ node->index,
L2INPUT_N_FEAT,
l2input_get_feat_names (),
em->l2_input_feat_next[GBP_SRC_CLASSIFY_PORT]);
+
+ node = vlib_get_node_by_name (vm, (u8 *) "l2-gbp-lpm-classify");
feat_bitmap_init_next_nodes (vm,
- gbp_l2_lpm_classify_node.index,
+ node->index,
L2INPUT_N_FEAT,
l2input_get_feat_names (),
em->l2_input_feat_next[GBP_SRC_CLASSIFY_LPM]);
+ node = vlib_get_node_by_name (vm, (u8 *) "l2-gbp-lpm-anon-classify");
+ feat_bitmap_init_next_nodes (vm,
+ node->index,
+ L2INPUT_N_FEAT,
+ l2input_get_feat_names (),
+ em->l2_input_feat_next
+ [GBP_SRC_CLASSIFY_LPM_ANON]);
+
return 0;
}
Code Review / vpp.git / blobdiff