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Diffstat (limited to 'vnet/vnet/ethernet/ethernet.h')
-rw-r--r--vnet/vnet/ethernet/ethernet.h274
1 files changed, 145 insertions, 129 deletions
diff --git a/vnet/vnet/ethernet/ethernet.h b/vnet/vnet/ethernet/ethernet.h
index 4735e20b851..be5b99c74b6 100644
--- a/vnet/vnet/ethernet/ethernet.h
+++ b/vnet/vnet/ethernet/ethernet.h
@@ -46,20 +46,23 @@
always_inline u64
ethernet_mac_address_u64 (u8 * a)
-{ return (((u64) a[0] << (u64) (5*8))
- | ((u64) a[1] << (u64) (4*8))
- | ((u64) a[2] << (u64) (3*8))
- | ((u64) a[3] << (u64) (2*8))
- | ((u64) a[4] << (u64) (1*8))
- | ((u64) a[5] << (u64) (0*8))); }
-
-static inline int ethernet_mac_address_is_multicast_u64 (u64 a)
{
- return (a & (1ULL<<(5*8))) != 0;
+ return (((u64) a[0] << (u64) (5 * 8))
+ | ((u64) a[1] << (u64) (4 * 8))
+ | ((u64) a[2] << (u64) (3 * 8))
+ | ((u64) a[3] << (u64) (2 * 8))
+ | ((u64) a[4] << (u64) (1 * 8)) | ((u64) a[5] << (u64) (0 * 8)));
+}
+
+static inline int
+ethernet_mac_address_is_multicast_u64 (u64 a)
+{
+ return (a & (1ULL << (5 * 8))) != 0;
}
/* Max. sized ethernet/vlan header for parsing. */
-typedef struct {
+typedef struct
+{
ethernet_header_t ethernet;
/* Allow up to 2 stacked vlan headers. */
@@ -69,13 +72,14 @@ typedef struct {
struct vnet_hw_interface_t;
/* Ethernet flag change callback. */
typedef u32 (ethernet_flag_change_function_t)
-(vnet_main_t * vnm, struct vnet_hw_interface_t * hi, u32 flags);
+ (vnet_main_t * vnm, struct vnet_hw_interface_t * hi, u32 flags);
#define ETHERNET_MIN_PACKET_BYTES 64
#define ETHERNET_MAX_PACKET_BYTES 9216
/* Ethernet interface instance. */
-typedef struct ethernet_interface {
+typedef struct ethernet_interface
+{
/* Accept all packets (promiscuous mode). */
#define ETHERNET_INTERFACE_FLAG_ACCEPT_ALL (1 << 0)
@@ -88,7 +92,7 @@ typedef struct ethernet_interface {
((flags) & ETHERNET_INTERFACE_FLAG_MTU)
/* Callback, e.g. to turn on/off promiscuous mode */
- ethernet_flag_change_function_t * flag_change;
+ ethernet_flag_change_function_t *flag_change;
u32 driver_instance;
@@ -98,9 +102,10 @@ typedef struct ethernet_interface {
extern vnet_hw_interface_class_t ethernet_hw_interface_class;
-typedef struct {
+typedef struct
+{
/* Name (a c string). */
- char * name;
+ char *name;
/* Ethernet type in host byte order. */
ethernet_type_t type;
@@ -112,7 +117,8 @@ typedef struct {
u32 next_index;
} ethernet_type_info_t;
-typedef enum {
+typedef enum
+{
#define ethernet_error(n,c,s) ETHERNET_ERROR_##n,
#include <vnet/ethernet/error.def>
#undef ethernet_error
@@ -122,9 +128,10 @@ typedef enum {
// Structs used when parsing packet to find sw_if_index
-typedef struct {
+typedef struct
+{
u32 sw_if_index;
- u32 flags;
+ u32 flags;
// config entry is-valid flag
// exact match flags (valid if packet has 0/1/2/3 tags)
// L2 vs L3 forwarding mode
@@ -138,44 +145,51 @@ typedef struct {
} subint_config_t;
always_inline u32
-eth_create_valid_subint_match_flags (u32 num_tags) {
+eth_create_valid_subint_match_flags (u32 num_tags)
+{
return SUBINT_CONFIG_VALID | (1 << num_tags);
}
-typedef struct {
+typedef struct
+{
subint_config_t untagged_subint;
subint_config_t default_subint;
- u16 dot1q_vlans; // pool id for vlan table
- u16 dot1ad_vlans; // pool id for vlan table
+ u16 dot1q_vlans; // pool id for vlan table
+ u16 dot1ad_vlans; // pool id for vlan table
} main_intf_t;
-typedef struct {
+typedef struct
+{
subint_config_t single_tag_subint;
subint_config_t inner_any_subint;
- u32 qinqs; // pool id for qinq table
+ u32 qinqs; // pool id for qinq table
} vlan_intf_t;
-typedef struct {
+typedef struct
+{
vlan_intf_t vlans[ETHERNET_N_VLAN];
} vlan_table_t;
-typedef struct {
+typedef struct
+{
subint_config_t subint;
} qinq_intf_t;
-typedef struct {
+typedef struct
+{
qinq_intf_t vlans[ETHERNET_N_VLAN];
} qinq_table_t;
// Structure mapping to a next index based on ethertype.
// Common ethertypes are stored explicitly, others are
// stored in a sparse table.
-typedef struct {
+typedef struct
+{
/* Sparse vector mapping ethernet type in network byte order
to next index. */
- u16 * input_next_by_type;
- u32 * sparse_index_by_input_next_index;
+ u16 *input_next_by_type;
+ u32 *sparse_index_by_input_next_index;
/* cached next indexes for common ethertypes */
u32 input_next_ip4;
@@ -184,8 +198,9 @@ typedef struct {
} next_by_ethertype_t;
-typedef struct {
- vlib_main_t * vlib_main;
+typedef struct
+{
+ vlib_main_t *vlib_main;
/* next node index for the L3 input node of each ethertype */
next_by_ethertype_t l3_next;
@@ -198,22 +213,22 @@ typedef struct {
u32 redirect_l3_next;
/* Pool of ethernet interface instances. */
- ethernet_interface_t * interfaces;
+ ethernet_interface_t *interfaces;
- ethernet_type_info_t * type_infos;
+ ethernet_type_info_t *type_infos;
/* Hash tables mapping name/type to type info index. */
- uword * type_info_by_name, * type_info_by_type;
+ uword *type_info_by_name, *type_info_by_type;
// The root of the vlan parsing tables. A vector with one element
// for each main interface, indexed by hw_if_index.
- main_intf_t * main_intfs;
+ main_intf_t *main_intfs;
// Pool of vlan tables
- vlan_table_t * vlan_pool;
+ vlan_table_t *vlan_pool;
// Pool of qinq tables;
- qinq_table_t * qinq_pool;
+ qinq_table_t *qinq_pool;
/* Set to one to use AB.CD.EF instead of A:B:C:D:E:F as ethernet format. */
int format_ethernet_address_16bit;
@@ -228,49 +243,43 @@ ethernet_main_t ethernet_main;
always_inline ethernet_type_info_t *
ethernet_get_type_info (ethernet_main_t * em, ethernet_type_t type)
{
- uword * p = hash_get (em->type_info_by_type, type);
+ uword *p = hash_get (em->type_info_by_type, type);
return p ? vec_elt_at_index (em->type_infos, p[0]) : 0;
}
-ethernet_interface_t *
-ethernet_get_interface (ethernet_main_t * em, u32 hw_if_index);
+ethernet_interface_t *ethernet_get_interface (ethernet_main_t * em,
+ u32 hw_if_index);
-clib_error_t *
-ethernet_register_interface (vnet_main_t * vnm,
- u32 dev_class_index,
- u32 dev_instance,
- u8 * address,
- u32 * hw_if_index_return,
- ethernet_flag_change_function_t flag_change);
+clib_error_t *ethernet_register_interface (vnet_main_t * vnm,
+ u32 dev_class_index,
+ u32 dev_instance,
+ u8 * address,
+ u32 * hw_if_index_return,
+ ethernet_flag_change_function_t
+ flag_change);
void ethernet_delete_interface (vnet_main_t * vnm, u32 hw_if_index);
/* Register given node index to take input for given ethernet type. */
void
ethernet_register_input_type (vlib_main_t * vm,
- ethernet_type_t type,
- u32 node_index);
+ ethernet_type_t type, u32 node_index);
/* Register given node index to take input for packet from L2 interfaces. */
-void
-ethernet_register_l2_input (vlib_main_t * vm,
- u32 node_index);
+void ethernet_register_l2_input (vlib_main_t * vm, u32 node_index);
/* Register given node index to take redirected L3 traffic, and enable L3 redirect */
-void
-ethernet_register_l3_redirect (vlib_main_t * vm,
- u32 node_index);
+void ethernet_register_l3_redirect (vlib_main_t * vm, u32 node_index);
/* Formats ethernet address X:X:X:X:X:X */
-u8 * format_ethernet_address (u8 * s, va_list * args);
-u8 * format_ethernet_type (u8 * s, va_list * args);
-u8 * format_ethernet_vlan_tci (u8 * s, va_list * va);
-u8 * format_ethernet_header (u8 * s, va_list * args);
-u8 * format_ethernet_header_with_length (u8 * s, va_list * args);
+u8 *format_ethernet_address (u8 * s, va_list * args);
+u8 *format_ethernet_type (u8 * s, va_list * args);
+u8 *format_ethernet_vlan_tci (u8 * s, va_list * va);
+u8 *format_ethernet_header (u8 * s, va_list * args);
+u8 *format_ethernet_header_with_length (u8 * s, va_list * args);
/* Parse ethernet address in either X:X:X:X:X:X unix or X.X.X cisco format. */
-uword
-unformat_ethernet_address (unformat_input_t * input, va_list * args);
+uword unformat_ethernet_address (unformat_input_t * input, va_list * args);
/* Parse ethernet type as 0xXXXX or type name from ethernet/types.def.
In either host or network byte order. */
@@ -282,8 +291,7 @@ unformat_ethernet_type_net_byte_order (unformat_input_t * input,
va_list * args);
/* Parse ethernet header. */
-uword
-unformat_ethernet_header (unformat_input_t * input, va_list * args);
+uword unformat_ethernet_header (unformat_input_t * input, va_list * args);
/* Parse ethernet interface name; return hw_if_index. */
uword unformat_ethernet_interface (unformat_input_t * input, va_list * args);
@@ -293,8 +301,8 @@ uword unformat_pg_ethernet_header (unformat_input_t * input, va_list * args);
always_inline void
ethernet_setup_node (vlib_main_t * vm, u32 node_index)
{
- vlib_node_t * n = vlib_get_node (vm, node_index);
- pg_node_t * pn = pg_get_node (node_index);
+ vlib_node_t *n = vlib_get_node (vm, node_index);
+ pg_node_t *pn = pg_get_node (node_index);
n->format_buffer = format_ethernet_header_with_length;
n->unformat_buffer = unformat_ethernet_header;
@@ -305,8 +313,7 @@ always_inline ethernet_header_t *
ethernet_buffer_get_header (vlib_buffer_t * b)
{
return (void *)
- (b->data
- + vnet_buffer (b)->ethernet.start_of_ethernet_header);
+ (b->data + vnet_buffer (b)->ethernet.start_of_ethernet_header);
}
/** Returns the number of VLAN headers in the current Ethernet frame in the
@@ -353,48 +360,47 @@ ethernet_buffer_get_header (vlib_buffer_t * b)
sizeof(ethernet_header_t) \
)
-ethernet_main_t * ethernet_get_main (vlib_main_t * vm);
+ethernet_main_t *ethernet_get_main (vlib_main_t * vm);
u32 ethernet_set_flags (vnet_main_t * vnm, u32 hw_if_index, u32 flags);
-void ethernet_sw_interface_set_l2_mode (vnet_main_t * vnm, u32 sw_if_index, u32 l2);
-void ethernet_sw_interface_set_l2_mode_noport (vnet_main_t * vnm, u32 sw_if_index, u32 l2);
-void ethernet_set_rx_redirect (vnet_main_t * vnm, vnet_hw_interface_t * hi, u32 enable);
+void ethernet_sw_interface_set_l2_mode (vnet_main_t * vnm, u32 sw_if_index,
+ u32 l2);
+void ethernet_sw_interface_set_l2_mode_noport (vnet_main_t * vnm,
+ u32 sw_if_index, u32 l2);
+void ethernet_set_rx_redirect (vnet_main_t * vnm, vnet_hw_interface_t * hi,
+ u32 enable);
int
vnet_arp_set_ip4_over_ethernet (vnet_main_t * vnm,
- u32 sw_if_index,
- u32 fib_index,
- void *a_arg,
- int is_static);
+ u32 sw_if_index,
+ u32 fib_index, void *a_arg, int is_static);
int
vnet_arp_unset_ip4_over_ethernet (vnet_main_t * vnm,
- u32 sw_if_index, u32 fib_index,
- void * a_arg);
+ u32 sw_if_index, u32 fib_index,
+ void *a_arg);
int vnet_proxy_arp_fib_reset (u32 fib_id);
-clib_error_t * next_by_ethertype_init (next_by_ethertype_t * l3_next);
-clib_error_t * next_by_ethertype_register (next_by_ethertype_t * l3_next,
- u32 ethertype,
- u32 next_index);
+clib_error_t *next_by_ethertype_init (next_by_ethertype_t * l3_next);
+clib_error_t *next_by_ethertype_register (next_by_ethertype_t * l3_next,
+ u32 ethertype, u32 next_index);
-int vnet_create_loopback_interface (u32 * sw_if_indexp, u8 *mac_address);
+int vnet_create_loopback_interface (u32 * sw_if_indexp, u8 * mac_address);
int vnet_delete_loopback_interface (u32 sw_if_index);
// Perform ethernet subinterface classification table lookups given
// the ports's sw_if_index and fields extracted from the ethernet header.
// The resulting tables are used by identify_subint().
always_inline void
-eth_vlan_table_lookups (ethernet_main_t *em,
- vnet_main_t * vnm,
- u32 port_sw_if_index0,
- u16 first_ethertype,
- u16 outer_id,
- u16 inner_id,
- vnet_hw_interface_t ** hi,
- main_intf_t **main_intf,
- vlan_intf_t **vlan_intf,
- qinq_intf_t **qinq_intf)
+eth_vlan_table_lookups (ethernet_main_t * em,
+ vnet_main_t * vnm,
+ u32 port_sw_if_index0,
+ u16 first_ethertype,
+ u16 outer_id,
+ u16 inner_id,
+ vnet_hw_interface_t ** hi,
+ main_intf_t ** main_intf,
+ vlan_intf_t ** vlan_intf, qinq_intf_t ** qinq_intf)
{
vlan_table_t *vlan_table;
qinq_table_t *qinq_table;
@@ -411,8 +417,7 @@ eth_vlan_table_lookups (ethernet_main_t *em,
// many tags on the packet. This makes the lookups and comparisons
// easier (and less branchy).
vlan_table_id = (first_ethertype == ETHERNET_TYPE_DOT1AD) ?
- (*main_intf)->dot1ad_vlans :
- (*main_intf)->dot1q_vlans;
+ (*main_intf)->dot1ad_vlans : (*main_intf)->dot1q_vlans;
vlan_table = vec_elt_at_index (em->vlan_pool, vlan_table_id);
*vlan_intf = &vlan_table->vlans[outer_id];
@@ -427,47 +432,50 @@ eth_vlan_table_lookups (ethernet_main_t *em,
// Returns 1 if a matching subinterface was found, otherwise returns 0.
always_inline u32
eth_identify_subint (vnet_hw_interface_t * hi,
- vlib_buffer_t * b0,
- u32 match_flags,
- main_intf_t * main_intf,
- vlan_intf_t * vlan_intf,
- qinq_intf_t * qinq_intf,
- u32 * new_sw_if_index,
- u8 * error0,
- u32 * is_l2)
+ vlib_buffer_t * b0,
+ u32 match_flags,
+ main_intf_t * main_intf,
+ vlan_intf_t * vlan_intf,
+ qinq_intf_t * qinq_intf,
+ u32 * new_sw_if_index, u8 * error0, u32 * is_l2)
{
- subint_config_t * subint;
+ subint_config_t *subint;
// Each comparison is checking both the valid flag and the number of tags
// (incorporating exact-match/non-exact-match).
// check for specific double tag
subint = &qinq_intf->subint;
- if ((subint->flags & match_flags) == match_flags) goto matched;
+ if ((subint->flags & match_flags) == match_flags)
+ goto matched;
// check for specific outer and 'any' inner
subint = &vlan_intf->inner_any_subint;
- if ((subint->flags & match_flags) == match_flags) goto matched;
+ if ((subint->flags & match_flags) == match_flags)
+ goto matched;
// check for specific single tag
subint = &vlan_intf->single_tag_subint;
- if ((subint->flags & match_flags) == match_flags) goto matched;
+ if ((subint->flags & match_flags) == match_flags)
+ goto matched;
// check for untagged interface
subint = &main_intf->untagged_subint;
- if ((subint->flags & match_flags) == match_flags) goto matched;
+ if ((subint->flags & match_flags) == match_flags)
+ goto matched;
// check for default interface
subint = &main_intf->default_subint;
- if ((subint->flags & match_flags) == match_flags) goto matched;
+ if ((subint->flags & match_flags) == match_flags)
+ goto matched;
// No matching subinterface
*new_sw_if_index = ~0;
*error0 = ETHERNET_ERROR_UNKNOWN_VLAN;
*is_l2 = 0;
return 0;
-
- matched:
+
+matched:
*new_sw_if_index = subint->sw_if_index;
*is_l2 = subint->flags & SUBINT_CONFIG_L2;
return 1;
@@ -475,35 +483,43 @@ eth_identify_subint (vnet_hw_interface_t * hi,
// Compare two ethernet macs. Return 1 if they are the same, 0 if different
always_inline u32
-eth_mac_equal (u8 * mac1, u8 * mac2) {
- return (*((u32 *)(mac1+0)) == *((u32 *)(mac2+0)) &&
- *((u32 *)(mac1+2)) == *((u32 *)(mac2+2)));
+eth_mac_equal (u8 * mac1, u8 * mac2)
+{
+ return (*((u32 *) (mac1 + 0)) == *((u32 *) (mac2 + 0)) &&
+ *((u32 *) (mac1 + 2)) == *((u32 *) (mac2 + 2)));
}
-always_inline ethernet_main_t *
+always_inline ethernet_main_t *
vnet_get_ethernet_main (void)
{
return &ethernet_main;
}
-void vnet_register_ip4_arp_resolution_event (vnet_main_t * vnm,
- void * address_arg,
- uword node_index,
- uword type_opaque,
- uword data);
+void vnet_register_ip4_arp_resolution_event (vnet_main_t * vnm,
+ void *address_arg,
+ uword node_index,
+ uword type_opaque, uword data);
-int vnet_add_del_ip4_arp_change_event (vnet_main_t * vnm,
- void * data_callback,
- u32 pid,
- void * address_arg,
- uword node_index,
- uword type_opaque,
- uword data, int is_add);
+int vnet_add_del_ip4_arp_change_event (vnet_main_t * vnm,
+ void *data_callback,
+ u32 pid,
+ void *address_arg,
+ uword node_index,
+ uword type_opaque,
+ uword data, int is_add);
-u32 vnet_arp_glean_add(u32 fib_index, void * next_hop_arg);
+u32 vnet_arp_glean_add (u32 fib_index, void *next_hop_arg);
extern vlib_node_registration_t ethernet_input_node;
#endif /* included_ethernet_h */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */