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Diffstat (limited to 'vnet/vnet/feature/feature.h')
| -rw-r--r-- | vnet/vnet/feature/feature.h | 382 |
1 files changed, 0 insertions, 382 deletions
diff --git a/vnet/vnet/feature/feature.h b/vnet/vnet/feature/feature.h deleted file mode 100644 index b27aaf17804..00000000000 --- a/vnet/vnet/feature/feature.h +++ /dev/null @@ -1,382 +0,0 @@ -/* - * Copyright (c) 2016 Cisco and/or its affiliates. - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at: - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -#ifndef included_features_h -#define included_features_h - -#include <vnet/vnet.h> -#include <vnet/api_errno.h> - -/** feature registration object */ -typedef struct _vnet_feature_arc_registration -{ - /** next registration in list of all registrations*/ - struct _vnet_feature_arc_registration *next; - /** Feature Arc name */ - char *arc_name; - /** Start nodes */ - char **start_nodes; - int n_start_nodes; - /** End node */ - char *end_node; - /* Feature arc index, assigned by init function */ - u8 feature_arc_index; - u8 *arc_index_ptr; -} vnet_feature_arc_registration_t; - -/* Enable feature callback. */ -typedef clib_error_t *(vnet_feature_enable_disable_function_t) - (u32 sw_if_index, int enable_disable); - -/** feature registration object */ -typedef struct _vnet_feature_registration -{ - /** next registration in list of all registrations*/ - struct _vnet_feature_registration *next; - /** Feature arc name */ - char *arc_name; - /** Graph node name */ - char *node_name; - /** Pointer to this feature index, filled in by vnet_feature_arc_init */ - u32 *feature_index_ptr; - u32 feature_index; - /** Constraints of the form "this feature runs before X" */ - char **runs_before; - /** Constraints of the form "this feature runs after Y" */ - char **runs_after; - - /** Function to enable/disable feature **/ - vnet_feature_enable_disable_function_t *enable_disable_cb; -} vnet_feature_registration_t; - -typedef struct vnet_feature_config_main_t_ -{ - vnet_config_main_t config_main; - u32 *config_index_by_sw_if_index; - u32 end_feature_index; -} vnet_feature_config_main_t; - -typedef struct -{ - /** feature arc configuration list */ - vnet_feature_arc_registration_t *next_arc; - uword **arc_index_by_name; - - /** feature path configuration lists */ - vnet_feature_registration_t *next_feature; - vnet_feature_registration_t **next_feature_by_arc; - uword **next_feature_by_name; - - /** feature config main objects */ - vnet_feature_config_main_t *feature_config_mains; - - /** Save partial order results for show command */ - char ***feature_nodes; - - /** bitmap of interfaces which have driver rx features configured */ - uword **sw_if_index_has_features; - - /** feature reference counts by interface */ - i16 **feature_count_by_sw_if_index; - - /** Feature arc index for device-input */ - u8 device_input_feature_arc_index; - - /** convenience */ - vlib_main_t *vlib_main; - vnet_main_t *vnet_main; -} vnet_feature_main_t; - -extern vnet_feature_main_t feature_main; - -#define VNET_FEATURE_ARC_INIT(x,...) \ - __VA_ARGS__ vnet_feature_arc_registration_t vnet_feat_arc_##x;\ -static void __vnet_add_feature_arc_registration_##x (void) \ - __attribute__((__constructor__)) ; \ -static void __vnet_add_feature_arc_registration_##x (void) \ -{ \ - vnet_feature_main_t * fm = &feature_main; \ - vnet_feat_arc_##x.next = fm->next_arc; \ - fm->next_arc = & vnet_feat_arc_##x; \ -} \ -__VA_ARGS__ vnet_feature_arc_registration_t vnet_feat_arc_##x - -#define VNET_FEATURE_INIT(x,...) \ - __VA_ARGS__ vnet_feature_registration_t vnet_feat_##x; \ -static void __vnet_add_feature_registration_##x (void) \ - __attribute__((__constructor__)) ; \ -static void __vnet_add_feature_registration_##x (void) \ -{ \ - vnet_feature_main_t * fm = &feature_main; \ - vnet_feat_##x.next = fm->next_feature; \ - fm->next_feature = & vnet_feat_##x; \ -} \ -__VA_ARGS__ vnet_feature_registration_t vnet_feat_##x - -void -vnet_config_update_feature_count (vnet_feature_main_t * fm, u8 arc, - u32 sw_if_index, int is_add); - -u32 vnet_get_feature_index (u8 arc, const char *s); -u8 vnet_get_feature_arc_index (const char *s); -vnet_feature_registration_t *vnet_get_feature_reg (const char *arc_name, - const char *node_name); - - -int -vnet_feature_enable_disable_with_index (u8 arc_index, u32 feature_index, - u32 sw_if_index, int enable_disable, - void *feature_config, - u32 n_feature_config_bytes); - -int -vnet_feature_enable_disable (const char *arc_name, const char *node_name, - u32 sw_if_index, int enable_disable, - void *feature_config, - u32 n_feature_config_bytes); - -static inline vnet_feature_config_main_t * -vnet_get_feature_arc_config_main (u8 arc_index) -{ - vnet_feature_main_t *fm = &feature_main; - - if (arc_index == (u8) ~ 0) - return 0; - - return &fm->feature_config_mains[arc_index]; -} - -static_always_inline vnet_feature_config_main_t * -vnet_feature_get_config_main (u16 arc) -{ - vnet_feature_main_t *fm = &feature_main; - return &fm->feature_config_mains[arc]; -} - -static_always_inline int -vnet_have_features (u8 arc, u32 sw_if_index) -{ - vnet_feature_main_t *fm = &feature_main; - return clib_bitmap_get (fm->sw_if_index_has_features[arc], sw_if_index); -} - -static_always_inline u32 -vnet_get_feature_config_index (u8 arc, u32 sw_if_index) -{ - vnet_feature_main_t *fm = &feature_main; - vnet_feature_config_main_t *cm = &fm->feature_config_mains[arc]; - return vec_elt (cm->config_index_by_sw_if_index, sw_if_index); -} - -static_always_inline void * -vnet_feature_arc_start_with_data (u8 arc, u32 sw_if_index, u32 * next, - vlib_buffer_t * b, u32 n_data_bytes) -{ - vnet_feature_main_t *fm = &feature_main; - vnet_feature_config_main_t *cm; - cm = &fm->feature_config_mains[arc]; - - if (PREDICT_FALSE (vnet_have_features (arc, sw_if_index))) - { - b->feature_arc_index = arc; - b->current_config_index = - vec_elt (cm->config_index_by_sw_if_index, sw_if_index); - return vnet_get_config_data (&cm->config_main, &b->current_config_index, - next, n_data_bytes); - } - return 0; -} - -static_always_inline void -vnet_feature_arc_start (u8 arc, u32 sw_if_index, u32 * next0, - vlib_buffer_t * b0) -{ - vnet_feature_arc_start_with_data (arc, sw_if_index, next0, b0, 0); -} - -static_always_inline void * -vnet_feature_next_with_data (u32 sw_if_index, u32 * next0, - vlib_buffer_t * b0, u32 n_data_bytes) -{ - vnet_feature_main_t *fm = &feature_main; - u8 arc = b0->feature_arc_index; - vnet_feature_config_main_t *cm = &fm->feature_config_mains[arc]; - - return vnet_get_config_data (&cm->config_main, - &b0->current_config_index, next0, - n_data_bytes); -} - -static_always_inline void -vnet_feature_next (u32 sw_if_index, u32 * next0, vlib_buffer_t * b0) -{ - vnet_feature_next_with_data (sw_if_index, next0, b0, 0); -} - -static_always_inline void -vnet_feature_start_device_input_x1 (u32 sw_if_index, u32 * next0, - vlib_buffer_t * b0, u16 buffer_advanced0) -{ - vnet_feature_main_t *fm = &feature_main; - vnet_feature_config_main_t *cm; - u8 feature_arc_index = fm->device_input_feature_arc_index; - cm = &fm->feature_config_mains[feature_arc_index]; - - if (PREDICT_FALSE - (clib_bitmap_get - (fm->sw_if_index_has_features[feature_arc_index], sw_if_index))) - { - /* - * Save next0 so that the last feature in the chain - * can skip ethernet-input if indicated... - */ - vnet_buffer (b0)->device_input_feat.saved_next_index = *next0; - vnet_buffer (b0)->device_input_feat.buffer_advance = buffer_advanced0; - vlib_buffer_advance (b0, -buffer_advanced0); - - b0->feature_arc_index = feature_arc_index; - b0->current_config_index = - vec_elt (cm->config_index_by_sw_if_index, sw_if_index); - vnet_get_config_data (&cm->config_main, &b0->current_config_index, - next0, /* # bytes of config data */ 0); - } -} - -static_always_inline void -vnet_feature_start_device_input_x2 (u32 sw_if_index, - u32 * next0, - u32 * next1, - vlib_buffer_t * b0, - vlib_buffer_t * b1, - u16 buffer_advanced0, - u16 buffer_advanced1) -{ - vnet_feature_main_t *fm = &feature_main; - vnet_feature_config_main_t *cm; - u8 feature_arc_index = fm->device_input_feature_arc_index; - cm = &fm->feature_config_mains[feature_arc_index]; - - if (PREDICT_FALSE - (clib_bitmap_get - (fm->sw_if_index_has_features[feature_arc_index], sw_if_index))) - { - /* - * Save next0 so that the last feature in the chain - * can skip ethernet-input if indicated... - */ - vnet_buffer (b0)->device_input_feat.saved_next_index = *next0; - vnet_buffer (b1)->device_input_feat.saved_next_index = *next1; - vnet_buffer (b0)->device_input_feat.buffer_advance = buffer_advanced0; - vnet_buffer (b1)->device_input_feat.buffer_advance = buffer_advanced1; - vlib_buffer_advance (b0, -buffer_advanced0); - vlib_buffer_advance (b1, -buffer_advanced1); - - b0->feature_arc_index = feature_arc_index; - b1->feature_arc_index = feature_arc_index; - b0->current_config_index = - vec_elt (cm->config_index_by_sw_if_index, sw_if_index); - b1->current_config_index = b0->current_config_index; - vnet_get_config_data (&cm->config_main, &b0->current_config_index, - next0, /* # bytes of config data */ 0); - vnet_get_config_data (&cm->config_main, &b1->current_config_index, - next1, /* # bytes of config data */ 0); - } -} - -static_always_inline void -vnet_feature_start_device_input_x4 (u32 sw_if_index, - u32 * next0, - u32 * next1, - u32 * next2, - u32 * next3, - vlib_buffer_t * b0, - vlib_buffer_t * b1, - vlib_buffer_t * b2, - vlib_buffer_t * b3, - u16 buffer_advanced0, - u16 buffer_advanced1, - u16 buffer_advanced2, - u16 buffer_advanced3) -{ - vnet_feature_main_t *fm = &feature_main; - vnet_feature_config_main_t *cm; - u8 feature_arc_index = fm->device_input_feature_arc_index; - cm = &fm->feature_config_mains[feature_arc_index]; - - if (PREDICT_FALSE - (clib_bitmap_get - (fm->sw_if_index_has_features[feature_arc_index], sw_if_index))) - { - /* - * Save next0 so that the last feature in the chain - * can skip ethernet-input if indicated... - */ - vnet_buffer (b0)->device_input_feat.saved_next_index = *next0; - vnet_buffer (b1)->device_input_feat.saved_next_index = *next1; - vnet_buffer (b2)->device_input_feat.saved_next_index = *next2; - vnet_buffer (b3)->device_input_feat.saved_next_index = *next3; - - vnet_buffer (b0)->device_input_feat.buffer_advance = buffer_advanced0; - vnet_buffer (b1)->device_input_feat.buffer_advance = buffer_advanced1; - vnet_buffer (b2)->device_input_feat.buffer_advance = buffer_advanced2; - vnet_buffer (b3)->device_input_feat.buffer_advance = buffer_advanced3; - - vlib_buffer_advance (b0, -buffer_advanced0); - vlib_buffer_advance (b1, -buffer_advanced1); - vlib_buffer_advance (b2, -buffer_advanced2); - vlib_buffer_advance (b3, -buffer_advanced3); - - b0->feature_arc_index = feature_arc_index; - b1->feature_arc_index = feature_arc_index; - b2->feature_arc_index = feature_arc_index; - b3->feature_arc_index = feature_arc_index; - - b0->current_config_index = - vec_elt (cm->config_index_by_sw_if_index, sw_if_index); - b1->current_config_index = b0->current_config_index; - b2->current_config_index = b0->current_config_index; - b3->current_config_index = b0->current_config_index; - - vnet_get_config_data (&cm->config_main, &b0->current_config_index, - next0, /* # bytes of config data */ 0); - vnet_get_config_data (&cm->config_main, &b1->current_config_index, - next1, /* # bytes of config data */ 0); - vnet_get_config_data (&cm->config_main, &b2->current_config_index, - next2, /* # bytes of config data */ 0); - vnet_get_config_data (&cm->config_main, &b3->current_config_index, - next3, /* # bytes of config data */ 0); - } -} - -#define VNET_FEATURES(...) (char*[]) { __VA_ARGS__, 0} - -clib_error_t *vnet_feature_arc_init (vlib_main_t * vm, - vnet_config_main_t * vcm, - char **feature_start_nodes, - int num_feature_start_nodes, - vnet_feature_registration_t * - first_reg, char ***feature_nodes); - -void vnet_interface_features_show (vlib_main_t * vm, u32 sw_if_index); - -#endif /* included_feature_h */ - -/* - * fd.io coding-style-patch-verification: ON - * - * Local Variables: - * eval: (c-set-style "gnu") - * End: - */ |