*/
#include <plugins/gbp/gbp.h>
+#include <plugins/gbp/gbp_policy.h>
+#include <vnet/vxlan-gbp/vxlan_gbp_packet.h>
-/**
- * Grouping of global data for the GBP source EPG classification feature
- */
-typedef struct gbp_policy_main_t_
-{
- /**
- * Next nodes for L2 output features
- */
- u32 l2_output_feat_next[32];
-} gbp_policy_main_t;
-
-static gbp_policy_main_t gbp_policy_main;
-
-#define foreach_gbp_policy \
- _(DENY, "deny")
-
-typedef enum
-{
-#define _(sym,str) GBP_ERROR_##sym,
- foreach_gbp_policy
-#undef _
- GBP_POLICY_N_ERROR,
-} gbp_policy_error_t;
-
-static char *gbp_policy_error_strings[] = {
-#define _(sym,string) string,
- foreach_gbp_policy
-#undef _
-};
-
-typedef enum
-{
-#define _(sym,str) GBP_POLICY_NEXT_##sym,
- foreach_gbp_policy
-#undef _
- GBP_POLICY_N_NEXT,
-} gbp_policy_next_t;
-
-/**
- * per-packet trace data
- */
-typedef struct gbp_policy_trace_t_
-{
- /* per-pkt trace data */
- epg_id_t src_epg;
- epg_id_t dst_epg;
- u32 acl_index;
-} gbp_policy_trace_t;
-
-static uword
-gbp_policy (vlib_main_t * vm,
- vlib_node_runtime_t * node, vlib_frame_t * frame)
-{
- gbp_main_t *gm = &gbp_main;
- gbp_policy_main_t *gpm = &gbp_policy_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)
- {
- gbp_policy_next_t next0;
- gbp_contract_key_t key0;
- gbp_contract_value_t value0 = {
- .as_u64 = ~0,
- };
- u32 bi0, sw_if_index0;
- vlib_buffer_t *b0;
-
- next0 = GBP_POLICY_NEXT_DENY;
- 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);
-
- /*
- * determine the src and dst EPG
- */
- sw_if_index0 = vnet_buffer (b0)->sw_if_index[VLIB_TX];
- key0.gck_dst = gbp_port_to_epg (sw_if_index0);
- key0.gck_src = vnet_buffer2 (b0)->gbp.src_epg;
-
- if (~0 != key0.gck_src)
- {
- if (PREDICT_FALSE (key0.gck_src == key0.gck_dst))
- {
- /*
- * intra-epg allowed
- */
- next0 = vnet_l2_feature_next (b0, gpm->l2_output_feat_next,
- L2OUTPUT_FEAT_GBP_POLICY);
- }
- else
- {
- value0.as_u64 = gbp_acl_lookup (&key0);
-
- if (~0 != value0.gc_lc_index)
- {
- fa_5tuple_opaque_t pkt_5tuple0;
- u8 action0 = 0;
- u32 acl_pos_p0, acl_match_p0;
- u32 rule_match_p0, trace_bitmap0;
- u8 *h0, l2_len0;
- u16 ether_type0;
- u8 is_ip60 = 0;
-
- l2_len0 = vnet_buffer (b0)->l2.l2_len;
- h0 = vlib_buffer_get_current (b0);
-
- ether_type0 =
- clib_net_to_host_u16 (*(u16 *) (h0 + l2_len0 - 2));
-
- is_ip60 = (ether_type0 == ETHERNET_TYPE_IP6) ? 1 : 0;
- /*
- * tests against the ACL
- */
- acl_plugin_fill_5tuple_inline (gm->
- acl_plugin.p_acl_main,
- value0.gc_lc_index, b0,
- is_ip60,
- /* is_input */ 0,
- /* is_l2_path */ 1,
- &pkt_5tuple0);
- acl_plugin_match_5tuple_inline (gm->
- acl_plugin.p_acl_main,
- value0.gc_lc_index,
- &pkt_5tuple0, is_ip60,
- &action0, &acl_pos_p0,
- &acl_match_p0,
- &rule_match_p0,
- &trace_bitmap0);
-
- if (action0 > 0)
- next0 =
- vnet_l2_feature_next (b0, gpm->l2_output_feat_next,
- L2OUTPUT_FEAT_GBP_POLICY);
- }
- }
- }
- else
- {
- /*
- * the src EPG is not set when the packet arrives on an EPG
- * uplink interface and we do not need to apply policy
- */
- next0 = vnet_l2_feature_next (b0, gpm->l2_output_feat_next,
- L2OUTPUT_FEAT_GBP_POLICY);
- }
-
- if (PREDICT_FALSE ((b0->flags & VLIB_BUFFER_IS_TRACED)))
- {
- gbp_policy_trace_t *t =
- vlib_add_trace (vm, node, b0, sizeof (*t));
- t->src_epg = key0.gck_src;
- t->dst_epg = key0.gck_dst;
- t->acl_index = value0.gc_acl_index;
- }
-
- /* verify speculative enqueue, maybe switch current next frame */
- 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;
-}
+gbp_policy_main_t gbp_policy_main;
/* packet trace format function */
-static u8 *
+u8 *
format_gbp_policy_trace (u8 * s, va_list * args)
{
CLIB_UNUSED (vlib_main_t * vm) = va_arg (*args, vlib_main_t *);
gbp_policy_trace_t *t = va_arg (*args, gbp_policy_trace_t *);
s =
- format (s, "src:%d, dst:%d, acl:%d", t->src_epg, t->dst_epg,
- t->acl_index);
+ format (s,
+ "scope:%d sclass:%d, dclass:%d, action:%U flags:%U acl: %d rule: %d",
+ t->scope, t->sclass, t->dclass, format_gbp_rule_action, t->action,
+ format_vxlan_gbp_header_gpflags, t->flags, t->acl_match,
+ t->rule_match);
return s;
}
-/* *INDENT-OFF* */
-VLIB_REGISTER_NODE (gbp_policy_node) = {
- .function = gbp_policy,
- .name = "gbp-policy",
- .vector_size = sizeof (u32),
- .format_trace = format_gbp_policy_trace,
- .type = VLIB_NODE_TYPE_INTERNAL,
-
- .n_errors = ARRAY_LEN(gbp_policy_error_strings),
- .error_strings = gbp_policy_error_strings,
-
- .n_next_nodes = GBP_POLICY_N_NEXT,
-
- .next_nodes = {
- [GBP_POLICY_NEXT_DENY] = "error-drop",
- },
-};
-
-VLIB_NODE_FUNCTION_MULTIARCH (gbp_policy_node, gbp_policy);
-
-/* *INDENT-ON* */
-
static clib_error_t *
gbp_policy_init (vlib_main_t * vm)
{
clib_error_t *error = 0;
/* Initialize the feature next-node indexes */
+ vlib_node_t *node = vlib_get_node_by_name (vm, (u8 *) "gbp-policy-port");
+ feat_bitmap_init_next_nodes (vm,
+ node->index,
+ L2OUTPUT_N_FEAT,
+ l2output_get_feat_names (),
+ gpm->l2_output_feat_next[GBP_POLICY_PORT]);
+
+ node = vlib_get_node_by_name (vm, (u8 *) "gbp-policy-mac");
+ feat_bitmap_init_next_nodes (vm,
+ node->index,
+ L2OUTPUT_N_FEAT,
+ l2output_get_feat_names (),
+ gpm->l2_output_feat_next[GBP_POLICY_MAC]);
+
+ node = vlib_get_node_by_name (vm, (u8 *) "gbp-policy-lpm");
feat_bitmap_init_next_nodes (vm,
- gbp_policy_node.index,
+ node->index,
L2OUTPUT_N_FEAT,
l2output_get_feat_names (),
- gpm->l2_output_feat_next);
+ gpm->l2_output_feat_next[GBP_POLICY_LPM]);
return error;
}
Code Review / vpp.git / blobdiff