diff options
Diffstat (limited to 'vnet/vnet/interface.h')
| -rw-r--r-- | vnet/vnet/interface.h | 231 |
1 files changed, 129 insertions, 102 deletions
diff --git a/vnet/vnet/interface.h b/vnet/vnet/interface.h index 11bb2346185..7738bb6edc7 100644 --- a/vnet/vnet/interface.h +++ b/vnet/vnet/interface.h @@ -47,18 +47,18 @@ struct vnet_hw_interface_t; struct vnet_sw_interface_t; /* Interface up/down callback. */ -typedef clib_error_t * (vnet_interface_function_t) +typedef clib_error_t *(vnet_interface_function_t) (struct vnet_main_t * vnm, u32 if_index, u32 flags); /* Sub-interface add/del callback. */ -typedef clib_error_t * (vnet_subif_add_del_function_t) +typedef clib_error_t *(vnet_subif_add_del_function_t) (struct vnet_main_t * vnm, u32 if_index, - struct vnet_sw_interface_t * template, - int is_add); + struct vnet_sw_interface_t * template, int is_add); -typedef struct _vnet_interface_function_list_elt { - struct _vnet_interface_function_list_elt * next_interface_function; - clib_error_t * (*fp) (struct vnet_main_t * vnm, u32 if_index, u32 flags); +typedef struct _vnet_interface_function_list_elt +{ + struct _vnet_interface_function_list_elt *next_interface_function; + clib_error_t *(*fp) (struct vnet_main_t * vnm, u32 if_index, u32 flags); } _vnet_interface_function_list_elt_t; #define _VNET_INTERFACE_FUNCTION_DECL(f,tag) \ @@ -73,7 +73,7 @@ static void __vnet_interface_function_init_##tag##_##f (void) \ init_function.next_interface_function = vnm->tag##_functions; \ vnm->tag##_functions = &init_function; \ init_function.fp = (void *) &f; \ -} +} #define VNET_HW_INTERFACE_ADD_DEL_FUNCTION(f) \ _VNET_INTERFACE_FUNCTION_DECL(f,hw_interface_add_del) @@ -85,66 +85,68 @@ static void __vnet_interface_function_init_##tag##_##f (void) \ _VNET_INTERFACE_FUNCTION_DECL(f,sw_interface_admin_up_down) /* A class of hardware interface devices. */ -typedef struct _vnet_device_class { +typedef struct _vnet_device_class +{ /* Index into main vector. */ u32 index; /* Device name (e.g. "FOOBAR 1234a"). */ - char * name; + char *name; /* Function to call when hardware interface is added/deleted. */ - vnet_interface_function_t * interface_add_del_function; + vnet_interface_function_t *interface_add_del_function; /* Function to bring device administratively up/down. */ - vnet_interface_function_t * admin_up_down_function; + vnet_interface_function_t *admin_up_down_function; /* Function to call when sub-interface is added/deleted */ - vnet_subif_add_del_function_t * subif_add_del_function; + vnet_subif_add_del_function_t *subif_add_del_function; /* Redistribute flag changes/existence of this interface class. */ u32 redistribute; /* Transmit function. */ - vlib_node_function_t * tx_function; + vlib_node_function_t *tx_function; /* Error strings indexed by error code for this node. */ - char ** tx_function_error_strings; + char **tx_function_error_strings; /* Number of error codes used by this node. */ u32 tx_function_n_errors; /* Renumber device name [only!] support, a control-plane kludge */ - int (*name_renumber) (struct vnet_hw_interface_t * hi, u32 new_dev_instance); + int (*name_renumber) (struct vnet_hw_interface_t * hi, + u32 new_dev_instance); /* Format device instance as name. */ - format_function_t * format_device_name; + format_function_t *format_device_name; /* Parse function for device name. */ - unformat_function_t * unformat_device_name; + unformat_function_t *unformat_device_name; /* Format device verbosely for this class. */ - format_function_t * format_device; + format_function_t *format_device; /* Trace buffer format for TX function. */ - format_function_t * format_tx_trace; + format_function_t *format_tx_trace; /* Function to clear hardware counters for device. */ - void (* clear_counters) (u32 dev_class_instance); + void (*clear_counters) (u32 dev_class_instance); - uword (* is_valid_class_for_interface) (struct vnet_main_t * vnm, u32 hw_if_index, u32 hw_class_index); + uword (*is_valid_class_for_interface) (struct vnet_main_t * vnm, + u32 hw_if_index, + u32 hw_class_index); /* Called when hardware class of an interface changes. */ - void ( * hw_class_change) (struct vnet_main_t * vnm, - u32 hw_if_index, - u32 new_hw_class_index); + void (*hw_class_change) (struct vnet_main_t * vnm, + u32 hw_if_index, u32 new_hw_class_index); /* Called to redirect traffic from a specific interface instance */ - void (* rx_redirect_to_node) (struct vnet_main_t * vnm, - u32 hw_if_index, - u32 node_index); + void (*rx_redirect_to_node) (struct vnet_main_t * vnm, + u32 hw_if_index, u32 node_index); /* Link-list of all device classes set up by constructors created below */ - struct _vnet_device_class * next_class_registration; + struct _vnet_device_class *next_class_registration; /* Do not splice vnet_interface_output_node into TX path */ u8 no_flatten_output_chains; @@ -161,7 +163,7 @@ static void __vnet_add_device_class_registration_##x (void) \ x.next_class_registration = vnm->device_class_registrations; \ vnm->device_class_registrations = &x; \ } \ -__VA_ARGS__ vnet_device_class_t x +__VA_ARGS__ vnet_device_class_t x #define VLIB_DEVICE_TX_FUNCTION_CLONE_TEMPLATE(arch, fn, tgt) \ uword \ @@ -190,57 +192,60 @@ __VA_ARGS__ vnet_device_class_t x /* Layer-2 (e.g. Ethernet) interface class. */ -typedef struct _vnet_hw_interface_class { +typedef struct _vnet_hw_interface_class +{ /* Index into main vector. */ u32 index; /* Class name (e.g. "Ethernet"). */ - char * name; + char *name; /* Function to call when hardware interface is added/deleted. */ - vnet_interface_function_t * interface_add_del_function; + vnet_interface_function_t *interface_add_del_function; /* Function to bring interface administratively up/down. */ - vnet_interface_function_t * admin_up_down_function; + vnet_interface_function_t *admin_up_down_function; /* Function to call when link state changes. */ - vnet_interface_function_t * link_up_down_function; + vnet_interface_function_t *link_up_down_function; /* Format function to display interface name. */ - format_function_t * format_interface_name; + format_function_t *format_interface_name; /* Format function to display interface address. */ - format_function_t * format_address; + format_function_t *format_address; /* Format packet header for this interface class. */ - format_function_t * format_header; + format_function_t *format_header; /* Format device verbosely for this class. */ - format_function_t * format_device; + format_function_t *format_device; /* Parser for hardware (e.g. ethernet) address. */ - unformat_function_t * unformat_hw_address; + unformat_function_t *unformat_hw_address; /* Parser for packet header for e.g. rewrite string. */ - unformat_function_t * unformat_header; + unformat_function_t *unformat_header; /* Forms adjacency for given l3 packet type and destination address. Returns number of bytes in adjacency. */ - uword (* set_rewrite) (struct vnet_main_t * vnm, - u32 sw_if_index, - u32 l3_packet_type, - void * dst_address, - void * rewrite, - uword max_rewrite_bytes); + uword (*set_rewrite) (struct vnet_main_t * vnm, + u32 sw_if_index, + u32 l3_packet_type, + void *dst_address, + void *rewrite, uword max_rewrite_bytes); - uword (* is_valid_class_for_interface) (struct vnet_main_t * vnm, u32 hw_if_index, u32 hw_class_index); + uword (*is_valid_class_for_interface) (struct vnet_main_t * vnm, + u32 hw_if_index, + u32 hw_class_index); /* Called when hw interface class is changed and old hardware instance may want to be deleted. */ - void (* hw_class_change) (struct vnet_main_t * vnm, u32 hw_if_index, u32 old_class_index, u32 new_class_index); + void (*hw_class_change) (struct vnet_main_t * vnm, u32 hw_if_index, + u32 old_class_index, u32 new_class_index); /* List of hw interface classes, built by constructors */ - struct _vnet_hw_interface_class * next_class_registration; + struct _vnet_hw_interface_class *next_class_registration; } vnet_hw_interface_class_t; @@ -258,9 +263,10 @@ __VA_ARGS__ vnet_hw_interface_class_t x /* Hardware-interface. This corresponds to a physical wire that packets flow over. */ -typedef struct vnet_hw_interface_t { +typedef struct vnet_hw_interface_t +{ /* Interface name. */ - u8 * name; + u8 *name; u32 flags; /* Hardware link state is up. */ @@ -295,7 +301,7 @@ typedef struct vnet_hw_interface_t { /* Hardware address as vector. Zero (e.g. zero-length vector) if no address for this class (e.g. PPP). */ - u8 * hw_address; + u8 *hw_address; /* Interface is up as far as software is concerned. */ /* NAME.{output,tx} nodes for this interface. */ @@ -339,7 +345,7 @@ typedef struct vnet_hw_interface_t { u32 max_l3_packet_bytes[VLIB_N_RX_TX]; /* Hash table mapping sub interface id to sw_if_index. */ - uword * sub_interface_sw_if_index_by_id; + uword *sub_interface_sw_if_index_by_id; /* Count of number of L2 subinterfaces */ u32 l2_if_count; @@ -356,7 +362,8 @@ typedef struct vnet_hw_interface_t { extern vnet_device_class_t vnet_local_interface_device_class; -typedef enum { +typedef enum +{ /* A hw interface. */ VNET_SW_INTERFACE_TYPE_HARDWARE, @@ -364,26 +371,32 @@ typedef enum { VNET_SW_INTERFACE_TYPE_SUB, } vnet_sw_interface_type_t; -typedef struct { - // Subinterface ID. A number 0-N to uniquely identify this subinterface under the - // main (parent?) interface - u32 id; - - // Classification data. Used to associate packet header with subinterface. - struct { +typedef struct +{ + /* + * Subinterface ID. A number 0-N to uniquely identify + * this subinterface under the main (parent?) interface + */ + u32 id; + + /* Classification data. Used to associate packet header with subinterface. */ + struct + { u16 outer_vlan_id; u16 inner_vlan_id; - union { + union + { u16 raw_flags; - struct { - u16 no_tags:1; - u16 one_tag:1; - u16 two_tags:1; - u16 dot1ad:1; // 0 = dot1q, 1=dot1ad - u16 exact_match:1; - u16 default_sub:1; - u16 outer_vlan_id_any:1; - u16 inner_vlan_id_any:1; + struct + { + u16 no_tags:1; + u16 one_tag:1; + u16 two_tags:1; + u16 dot1ad:1; /* 0 = dot1q, 1=dot1ad */ + u16 exact_match:1; + u16 default_sub:1; + u16 outer_vlan_id_any:1; + u16 inner_vlan_id_any:1; } flags; }; } eth; @@ -392,8 +405,9 @@ typedef struct { /* Software-interface. This corresponds to a Ethernet VLAN, ATM vc, a tunnel, etc. Configuration (e.g. IP address) gets attached to software interface. */ -typedef struct { - vnet_sw_interface_type_t type : 16; +typedef struct +{ + vnet_sw_interface_type_t type:16; u16 flags; /* Interface is "up" meaning adminstratively up. @@ -424,19 +438,18 @@ typedef struct { u32 output_feature_bitmap; - union { + union + { /* VNET_SW_INTERFACE_TYPE_HARDWARE. */ u32 hw_if_index; /* VNET_SW_INTERFACE_TYPE_SUB. */ vnet_sub_interface_t sub; - - /* SW interfaces are sorted by type and key. */ - // u32 sort_key; }; } vnet_sw_interface_t; -typedef enum { +typedef enum +{ /* Simple counters. */ VNET_INTERFACE_COUNTER_DROP = 0, VNET_INTERFACE_COUNTER_PUNT = 1, @@ -453,57 +466,62 @@ typedef enum { VNET_N_COMBINED_INTERFACE_COUNTER = 2, } vnet_interface_counter_type_t; -typedef struct { +typedef struct +{ u32 output_node_index; u32 tx_node_index; } vnet_hw_interface_nodes_t; -typedef struct { +typedef struct +{ /* Hardware interfaces. */ - vnet_hw_interface_t * hw_interfaces; + vnet_hw_interface_t *hw_interfaces; /* Hash table mapping HW interface name to index. */ - uword * hw_interface_by_name; + uword *hw_interface_by_name; /* Vectors if hardware interface classes and device classes. */ - vnet_hw_interface_class_t * hw_interface_classes; - vnet_device_class_t * device_classes; + vnet_hw_interface_class_t *hw_interface_classes; + vnet_device_class_t *device_classes; /* Hash table mapping name to hw interface/device class. */ - uword * hw_interface_class_by_name; - uword * device_class_by_name; + uword *hw_interface_class_by_name; + uword *device_class_by_name; /* Software interfaces. */ - vnet_sw_interface_t * sw_interfaces; + vnet_sw_interface_t *sw_interfaces; /* Hash table mapping sub intfc sw_if_index by sup sw_if_index and sub id */ - uword * sw_if_index_by_sup_and_sub; + uword *sw_if_index_by_sup_and_sub; /* Software interface counters both simple and combined packet and byte counters. */ volatile u32 *sw_if_counter_lock; - vlib_simple_counter_main_t * sw_if_counters; - vlib_combined_counter_main_t * combined_sw_if_counters; + vlib_simple_counter_main_t *sw_if_counters; + vlib_combined_counter_main_t *combined_sw_if_counters; - vnet_hw_interface_nodes_t * deleted_hw_interface_nodes; + vnet_hw_interface_nodes_t *deleted_hw_interface_nodes; /* pcap drop tracing */ int drop_pcap_enable; pcap_main_t pcap_main; - u8 * pcap_filename; + u8 *pcap_filename; u32 pcap_sw_if_index; u32 pcap_pkts_to_capture; - uword * pcap_drop_filter_hash; + uword *pcap_drop_filter_hash; } vnet_interface_main_t; -static inline void vnet_interface_counter_lock (vnet_interface_main_t *im) +static inline void +vnet_interface_counter_lock (vnet_interface_main_t * im) { if (im->sw_if_counter_lock) while (__sync_lock_test_and_set (im->sw_if_counter_lock, 1)) /* zzzz */ ; } -static inline void vnet_interface_counter_unlock (vnet_interface_main_t *im) + +static inline void +vnet_interface_counter_unlock (vnet_interface_main_t * im) { if (im->sw_if_counter_lock) *im->sw_if_counter_lock = 0; @@ -521,19 +539,28 @@ int vnet_interface_name_renumber (u32 sw_if_index, u32 new_show_dev_instance); #define foreach_intf_output_feat \ _(IPSEC, "ipsec-output") -// Feature bitmap positions -typedef enum { +/* Feature bitmap positions */ +typedef enum +{ #define _(sym,str) INTF_OUTPUT_FEAT_##sym, foreach_intf_output_feat #undef _ - INTF_OUTPUT_N_FEAT, + INTF_OUTPUT_N_FEAT, } intf_output_feat_t; /* flag that we are done with feature path */ #define INTF_OUTPUT_FEAT_DONE INTF_OUTPUT_N_FEAT -int vnet_interface_add_del_feature(struct vnet_main_t * vnm, vlib_main_t * vm, - u32 sw_if_index, - intf_output_feat_t feature, int is_add); +int vnet_interface_add_del_feature (struct vnet_main_t *vnm, vlib_main_t * vm, + u32 sw_if_index, + intf_output_feat_t feature, int is_add); #endif /* included_vnet_interface_h */ + +/* + * fd.io coding-style-patch-verification: ON + * + * Local Variables: + * eval: (c-set-style "gnu") + * End: + */ |