diff options
Diffstat (limited to 'vnet/vnet/cdp/cdp_node.c')
| -rw-r--r-- | vnet/vnet/cdp/cdp_node.c | 172 |
1 files changed, 93 insertions, 79 deletions
diff --git a/vnet/vnet/cdp/cdp_node.c b/vnet/vnet/cdp/cdp_node.c index 7411ebeb5f6..de62d4c7ef5 100644 --- a/vnet/vnet/cdp/cdp_node.c +++ b/vnet/vnet/cdp/cdp_node.c @@ -33,7 +33,7 @@ static vlib_node_registration_t cdp_process_node; * packet counter strings * Dump these counters via the "show error" CLI command */ -static char * cdp_error_strings[] = { +static char *cdp_error_strings[] = { #define _(sym,string) string, foreach_cdp_error #undef _ @@ -44,9 +44,10 @@ static char * cdp_error_strings[] = { * them, so the graph node has only one next-index. The "error-drop" * node automatically bumps our per-node packet counters for us. */ -typedef enum { - CDP_INPUT_NEXT_NORMAL, - CDP_INPUT_N_NEXT, +typedef enum +{ + CDP_INPUT_NEXT_NORMAL, + CDP_INPUT_N_NEXT, } cdp_next_t; /* @@ -55,24 +56,23 @@ typedef enum { */ static uword cdp_node_fn (vlib_main_t * vm, - vlib_node_runtime_t * node, - vlib_frame_t * frame) + vlib_node_runtime_t * node, vlib_frame_t * frame) { - u32 n_left_from, * from; - cdp_input_trace_t * t0; + u32 n_left_from, *from; + cdp_input_trace_t *t0; - from = vlib_frame_vector_args (frame); /* array of buffer indices */ - n_left_from = frame->n_vectors; /* number of buffer indices */ + from = vlib_frame_vector_args (frame); /* array of buffer indices */ + n_left_from = frame->n_vectors; /* number of buffer indices */ while (n_left_from > 0) { u32 bi0; - vlib_buffer_t * b0; + vlib_buffer_t *b0; u32 next0, error0; bi0 = from[0]; b0 = vlib_get_buffer (vm, bi0); - + next0 = CDP_INPUT_NEXT_NORMAL; /* scan this cdp pkt. error0 is the counter index to bump */ @@ -80,14 +80,15 @@ cdp_node_fn (vlib_main_t * vm, b0->error = node->errors[error0]; /* If this pkt is traced, snapshoot the data */ - if (b0->flags & VLIB_BUFFER_IS_TRACED) { - int len; + if (b0->flags & VLIB_BUFFER_IS_TRACED) + { + int len; t0 = vlib_add_trace (vm, node, b0, sizeof (*t0)); - len = (b0->current_length < sizeof (t0->data)) - ? b0->current_length : sizeof (t0->data); - t0->len = len; - clib_memcpy (t0->data, vlib_buffer_get_current (b0), len); - } + len = (b0->current_length < sizeof (t0->data)) + ? b0->current_length : sizeof (t0->data); + t0->len = len; + clib_memcpy (t0->data, vlib_buffer_get_current (b0), len); + } /* push this pkt to the next graph node, always error-drop */ vlib_set_next_frame_buffer (vm, node, next0, bi0); @@ -101,6 +102,7 @@ cdp_node_fn (vlib_main_t * vm, /* * cdp input graph node declaration */ +/* *INDENT-OFF* */ VLIB_REGISTER_NODE (cdp_input_node, static) = { .function = cdp_node_fn, .name = "cdp-input", @@ -109,86 +111,98 @@ VLIB_REGISTER_NODE (cdp_input_node, static) = { .n_errors = CDP_N_ERROR, .error_strings = cdp_error_strings, - + .format_trace = cdp_input_format_trace, - + .n_next_nodes = CDP_INPUT_N_NEXT, .next_nodes = { - [CDP_INPUT_NEXT_NORMAL] = "error-drop", + [CDP_INPUT_NEXT_NORMAL] = "error-drop", }, }; +/* *INDENT-ON* */ /* * cdp periodic function */ static uword -cdp_process (vlib_main_t * vm, - vlib_node_runtime_t * rt, - vlib_frame_t * f) +cdp_process (vlib_main_t * vm, vlib_node_runtime_t * rt, vlib_frame_t * f) { - cdp_main_t * cm = &cdp_main; - f64 poll_time_remaining; - uword event_type, * event_data = 0; - - /* So we can send events to the cdp process */ - cm->cdp_process_node_index = cdp_process_node.index; - - /* Dynamically register the cdp input node with the snap classifier */ - snap_register_input_protocol (vm, "cdp-input", - 0xC /* ieee_oui, Cisco */, - 0x2000 /* protocol CDP */, - cdp_input_node.index); - - snap_register_input_protocol (vm, "cdp-input", - 0xC /* ieee_oui, Cisco */, - 0x2004 /* protocol CDP */, - cdp_input_node.index); - -#if 0 /* retain for reference */ - /* with the hdlc classifier */ - hdlc_register_input_protocol (vm, HDLC_PROTOCOL_cdp, - cdp_input_node.index); + cdp_main_t *cm = &cdp_main; + f64 poll_time_remaining; + uword event_type, *event_data = 0; + + /* So we can send events to the cdp process */ + cm->cdp_process_node_index = cdp_process_node.index; + + /* Dynamically register the cdp input node with the snap classifier */ + snap_register_input_protocol (vm, "cdp-input", 0xC /* ieee_oui, Cisco */ , + 0x2000 /* protocol CDP */ , + cdp_input_node.index); + + snap_register_input_protocol (vm, "cdp-input", 0xC /* ieee_oui, Cisco */ , + 0x2004 /* protocol CDP */ , + cdp_input_node.index); + +#if 0 /* retain for reference */ + /* with the hdlc classifier */ + hdlc_register_input_protocol (vm, HDLC_PROTOCOL_cdp, cdp_input_node.index); #endif - /* with ethernet input (for SRP) */ - ethernet_register_input_type (vm, ETHERNET_TYPE_CDP /* CDP */, - cdp_input_node.index); - - poll_time_remaining = 10.0 /* seconds */; - while (1) { - /* sleep until next poll time, or msg serialize event occurs */ - poll_time_remaining = - vlib_process_wait_for_event_or_clock (vm, poll_time_remaining); - - event_type = vlib_process_get_events (vm, &event_data); - switch (event_type) { - case ~0: /* no events => timeout */ - break; - - default: - clib_warning ("BUG: event type 0x%wx", event_type); - break; - } - if (event_data) - _vec_len (event_data) = 0; - - /* peer timeout scan, send announcements */ - if (vlib_process_suspend_time_is_zero (poll_time_remaining)) { - cdp_periodic (vm); - poll_time_remaining = 10.0; - } + /* with ethernet input (for SRP) */ + ethernet_register_input_type (vm, ETHERNET_TYPE_CDP /* CDP */ , + cdp_input_node.index); + + poll_time_remaining = 10.0 /* seconds */ ; + while (1) + { + /* sleep until next poll time, or msg serialize event occurs */ + poll_time_remaining = + vlib_process_wait_for_event_or_clock (vm, poll_time_remaining); + + event_type = vlib_process_get_events (vm, &event_data); + switch (event_type) + { + case ~0: /* no events => timeout */ + break; + + default: + clib_warning ("BUG: event type 0x%wx", event_type); + break; + } + if (event_data) + _vec_len (event_data) = 0; + + /* peer timeout scan, send announcements */ + if (vlib_process_suspend_time_is_zero (poll_time_remaining)) + { + cdp_periodic (vm); + poll_time_remaining = 10.0; + } } - return 0; + return 0; } /* * cdp periodic node declaration */ +/* *INDENT-OFF* */ VLIB_REGISTER_NODE (cdp_process_node, static) = { - .function = cdp_process, - .type = VLIB_NODE_TYPE_PROCESS, - .name = "cdp-process", + .function = cdp_process, + .type = VLIB_NODE_TYPE_PROCESS, + .name = "cdp-process", }; +/* *INDENT-ON* */ -void vnet_cdp_node_reference(void) { } +void +vnet_cdp_node_reference (void) +{ +} + +/* + * fd.io coding-style-patch-verification: ON + * + * Local Variables: + * eval: (c-set-style "gnu") + * End: + */ |