diff options
Diffstat (limited to 'vnet/vnet/llc/node.c')
| -rw-r--r-- | vnet/vnet/llc/node.c | 87 |
1 files changed, 53 insertions, 34 deletions
diff --git a/vnet/vnet/llc/node.c b/vnet/vnet/llc/node.c index 1c186feb..60b5c134 100644 --- a/vnet/vnet/llc/node.c +++ b/vnet/vnet/llc/node.c @@ -45,22 +45,25 @@ _ (PUNT, "error-punt") \ _ (DROP, "error-drop") -typedef enum { +typedef enum +{ #define _(s,n) LLC_INPUT_NEXT_##s, foreach_llc_input_next #undef _ - LLC_INPUT_N_NEXT, + LLC_INPUT_N_NEXT, } llc_input_next_t; -typedef struct { +typedef struct +{ u8 packet_data[32]; } llc_input_trace_t; -static u8 * format_llc_input_trace (u8 * s, va_list * va) +static u8 * +format_llc_input_trace (u8 * s, va_list * va) { CLIB_UNUSED (vlib_main_t * vm) = va_arg (*va, vlib_main_t *); CLIB_UNUSED (vlib_node_t * node) = va_arg (*va, vlib_node_t *); - llc_input_trace_t * t = va_arg (*va, llc_input_trace_t *); + llc_input_trace_t *t = va_arg (*va, llc_input_trace_t *); s = format (s, "%U", format_llc_header, t->packet_data); @@ -69,11 +72,10 @@ static u8 * format_llc_input_trace (u8 * s, va_list * va) static uword llc_input (vlib_main_t * vm, - vlib_node_runtime_t * node, - vlib_frame_t * from_frame) + vlib_node_runtime_t * node, vlib_frame_t * from_frame) { - llc_main_t * lm = &llc_main; - u32 n_left_from, next_index, * from, * to_next; + llc_main_t *lm = &llc_main; + u32 n_left_from, next_index, *from, *to_next; from = vlib_frame_vector_args (from_frame); n_left_from = from_frame->n_vectors; @@ -91,19 +93,18 @@ llc_input (vlib_main_t * vm, { u32 n_left_to_next; - vlib_get_next_frame (vm, node, next_index, - to_next, n_left_to_next); + vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next); while (n_left_from >= 4 && n_left_to_next >= 2) { u32 bi0, bi1; - vlib_buffer_t * b0, * b1; - llc_header_t * h0, * h1; + vlib_buffer_t *b0, *b1; + llc_header_t *h0, *h1; u8 next0, next1, len0, len1, enqueue_code; /* Prefetch next iteration. */ { - vlib_buffer_t * b2, * b3; + vlib_buffer_t *b2, *b3; b2 = vlib_get_buffer (vm, from[2]); b3 = vlib_get_buffer (vm, from[3]); @@ -142,10 +143,16 @@ llc_input (vlib_main_t * vm, next0 = lm->input_next_by_protocol[h0->dst_sap]; next1 = lm->input_next_by_protocol[h1->dst_sap]; - b0->error = node->errors[next0 == LLC_INPUT_NEXT_DROP ? LLC_ERROR_UNKNOWN_PROTOCOL : LLC_ERROR_NONE]; - b1->error = node->errors[next1 == LLC_INPUT_NEXT_DROP ? LLC_ERROR_UNKNOWN_PROTOCOL : LLC_ERROR_NONE]; + b0->error = + node->errors[next0 == + LLC_INPUT_NEXT_DROP ? LLC_ERROR_UNKNOWN_PROTOCOL : + LLC_ERROR_NONE]; + b1->error = + node->errors[next1 == + LLC_INPUT_NEXT_DROP ? LLC_ERROR_UNKNOWN_PROTOCOL : + LLC_ERROR_NONE]; - enqueue_code = (next0 != next_index) + 2*(next1 != next_index); + enqueue_code = (next0 != next_index) + 2 * (next1 != next_index); if (PREDICT_FALSE (enqueue_code != 0)) { @@ -177,17 +184,18 @@ llc_input (vlib_main_t * vm, vlib_put_next_frame (vm, node, next_index, n_left_to_next); next_index = next1; - vlib_get_next_frame (vm, node, next_index, to_next, 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) { u32 bi0; - vlib_buffer_t * b0; - llc_header_t * h0; + vlib_buffer_t *b0; + llc_header_t *h0; u8 next0, len0; bi0 = from[0]; @@ -209,7 +217,10 @@ llc_input (vlib_main_t * vm, next0 = lm->input_next_by_protocol[h0->dst_sap]; - b0->error = node->errors[next0 == LLC_INPUT_NEXT_DROP ? LLC_ERROR_UNKNOWN_PROTOCOL : LLC_ERROR_NONE]; + b0->error = + node->errors[next0 == + LLC_INPUT_NEXT_DROP ? LLC_ERROR_UNKNOWN_PROTOCOL : + LLC_ERROR_NONE]; /* Sent packet to wrong next? */ if (PREDICT_FALSE (next0 != next_index)) @@ -234,12 +245,13 @@ llc_input (vlib_main_t * vm, return from_frame->n_vectors; } -static char * llc_error_strings[] = { +static char *llc_error_strings[] = { #define _(f,s) s, foreach_llc_error #undef _ }; +/* *INDENT-OFF* */ VLIB_REGISTER_NODE (llc_input_node) = { .function = llc_input, .name = "llc-input", @@ -260,13 +272,15 @@ VLIB_REGISTER_NODE (llc_input_node) = { .format_trace = format_llc_input_trace, .unformat_buffer = unformat_llc_header, }; +/* *INDENT-ON* */ -static clib_error_t * llc_input_init (vlib_main_t * vm) +static clib_error_t * +llc_input_init (vlib_main_t * vm) { - llc_main_t * lm = &llc_main; + llc_main_t *lm = &llc_main; { - clib_error_t * error = vlib_call_init_function (vm, llc_init); + clib_error_t *error = vlib_call_init_function (vm, llc_init); if (error) clib_error_report (error); } @@ -286,14 +300,13 @@ VLIB_INIT_FUNCTION (llc_input_init); void llc_register_input_protocol (vlib_main_t * vm, - llc_protocol_t protocol, - u32 node_index) + llc_protocol_t protocol, u32 node_index) { - llc_main_t * lm = &llc_main; - llc_protocol_info_t * pi; + llc_main_t *lm = &llc_main; + llc_protocol_info_t *pi; { - clib_error_t * error = vlib_call_init_function (vm, llc_input_init); + clib_error_t *error = vlib_call_init_function (vm, llc_input_init); if (error) clib_error_report (error); /* Otherwise, osi_input_init will wipe out e.g. the snap init */ @@ -304,9 +317,15 @@ llc_register_input_protocol (vlib_main_t * vm, pi = llc_get_protocol_info (lm, protocol); pi->node_index = node_index; - pi->next_index = vlib_node_add_next (vm, - llc_input_node.index, - node_index); + pi->next_index = vlib_node_add_next (vm, llc_input_node.index, node_index); lm->input_next_by_protocol[protocol] = pi->next_index; } + +/* + * fd.io coding-style-patch-verification: ON + * + * Local Variables: + * eval: (c-set-style "gnu") + * End: + */ |