/* *INDENT-ON* */
+typedef struct
+{
+ u32 next_index;
+ u32 sw_if_index;
+ u16 ethertype;
+} nonip_in_out_trace_t;
+
+/* packet trace format function */
+static u8 *
+format_nonip_in_out_trace (u8 * s, u32 is_output, va_list * args)
+{
+ CLIB_UNUSED (vlib_main_t * vm) = va_arg (*args, vlib_main_t *);
+ CLIB_UNUSED (vlib_node_t * node) = va_arg (*args, vlib_node_t *);
+ nonip_in_out_trace_t *t = va_arg (*args, nonip_in_out_trace_t *);
+
+ s = format (s, "%s: sw_if_index %d next_index %x ethertype %x",
+ is_output ? "OUT-ETHER-WHITELIST" : "IN-ETHER-WHITELIST",
+ t->sw_if_index, t->next_index, t->ethertype);
+ return s;
+}
+
+static u8 *
+format_l2_nonip_in_trace (u8 * s, va_list * args)
+{
+ return format_nonip_in_out_trace (s, 0, args);
+}
+
+static u8 *
+format_l2_nonip_out_trace (u8 * s, va_list * args)
+{
+ return format_nonip_in_out_trace (s, 1, args);
+}
+
+#define foreach_nonip_in_error \
+_(DROP, "dropped inbound non-whitelisted non-ip packets") \
+_(PERMIT, "permitted inbound whitelisted non-ip packets") \
+
+
+#define foreach_nonip_out_error \
+_(DROP, "dropped outbound non-whitelisted non-ip packets") \
+_(PERMIT, "permitted outbound whitelisted non-ip packets") \
+
+
+/* *INDENT-OFF* */
+
+typedef enum
+{
+#define _(sym,str) FA_IN_NONIP_ERROR_##sym,
+ foreach_nonip_in_error
+#undef _
+ FA_IN_NONIP_N_ERROR,
+} l2_in_feat_arc_error_t;
+
+static char *fa_in_nonip_error_strings[] = {
+#define _(sym,string) string,
+ foreach_nonip_in_error
+#undef _
+};
+
+typedef enum
+{
+#define _(sym,str) FA_OUT_NONIP_ERROR_##sym,
+ foreach_nonip_out_error
+#undef _
+ FA_OUT_NONIP_N_ERROR,
+} l2_out_feat_arc_error_t;
+
+static char *fa_out_nonip_error_strings[] = {
+#define _(sym,string) string,
+ foreach_nonip_out_error
+#undef _
+};
+/* *INDENT-ON* */
+
+
+always_inline int
+is_permitted_ethertype (acl_main_t * am, int sw_if_index0, int is_output,
+ u16 ethertype)
+{
+ u16 **v = is_output
+ ? am->output_etype_whitelist_by_sw_if_index
+ : am->input_etype_whitelist_by_sw_if_index;
+ u16 *whitelist = vec_elt (v, sw_if_index0);
+ int i;
+
+ if (vec_len (whitelist) == 0)
+ return 1;
+
+ for (i = 0; i < vec_len (whitelist); i++)
+ if (whitelist[i] == ethertype)
+ return 1;
+ return 0;
+}
+
+#define get_u16(addr) ( *((u16 *)(addr)) )
always_inline uword
-acl_fa_node_fn (vlib_main_t * vm,
- vlib_node_runtime_t * node, vlib_frame_t * frame, int is_ip6,
- int is_input, int is_l2_path, u32 * l2_feat_next_node_index,
- vlib_node_registration_t * acl_fa_node)
+nonip_in_out_node_fn (vlib_main_t * vm,
+ vlib_node_runtime_t * node, vlib_frame_t * frame,
+ int is_output)
+{
+ acl_main_t *am = &acl_main;
+ u32 n_left, *from;
+ u16 nexts[VLIB_FRAME_SIZE], *next;
+ vlib_buffer_t *bufs[VLIB_FRAME_SIZE], **b;
+ vlib_node_runtime_t *error_node;
+
+ from = vlib_frame_vector_args (frame);
+ error_node = vlib_node_get_runtime (vm, node->node_index);
+ vlib_get_buffers (vm, from, bufs, frame->n_vectors);
+ /* set the initial values for the current buffer the next pointers */
+ b = bufs;
+ next = nexts;
+
+ n_left = frame->n_vectors;
+ while (n_left > 0)
+ {
+ u32 next_index = 0;
+ u32 sw_if_index0 =
+ vnet_buffer (b[0])->sw_if_index[is_output ? VLIB_TX : VLIB_RX];
+ u16 ethertype = 0;
+
+ int error0 = 0;
+
+ ethernet_header_t *h0 = vlib_buffer_get_current (b[0]);
+ u8 *l3h0 = (u8 *) h0 + vnet_buffer (b[0])->l2.l2_len;
+ ethertype = clib_net_to_host_u16 (get_u16 (l3h0 - 2));
+
+ if (is_permitted_ethertype (am, sw_if_index0, is_output, ethertype))
+ vnet_feature_next (&next_index, b[0]);
+
+ next[0] = next_index;
+
+ if (0 == next[0])
+ b[0]->error = error_node->errors[error0];
+
+ if (PREDICT_FALSE ((node->flags & VLIB_NODE_FLAG_TRACE)
+ && (b[0]->flags & VLIB_BUFFER_IS_TRACED)))
+ {
+ nonip_in_out_trace_t *t =
+ vlib_add_trace (vm, node, b[0], sizeof (*t));
+ t->sw_if_index = sw_if_index0;
+ t->ethertype = ethertype;
+ t->next_index = next[0];
+ }
+ next[0] = next[0] < node->n_next_nodes ? next[0] : 0;
+
+ next++;
+ b++;
+ n_left--;
+ }
+ vlib_buffer_enqueue_to_next (vm, node, from, nexts, frame->n_vectors);
+
+ return frame->n_vectors;
+}
+
+VLIB_NODE_FN (acl_in_nonip_node) (vlib_main_t * vm,
+ vlib_node_runtime_t * node,
+ vlib_frame_t * frame)
+{
+ return nonip_in_out_node_fn (vm, node, frame, 0);
+}
+
+VLIB_NODE_FN (acl_out_nonip_node) (vlib_main_t * vm,
+ vlib_node_runtime_t * node,
+ vlib_frame_t * frame)
+{
+ return nonip_in_out_node_fn (vm, node, frame, 1);
+}
+
+
+/* *INDENT-OFF* */
+
+VLIB_REGISTER_NODE (acl_in_nonip_node) =
+{
+ .name = "acl-plugin-in-nonip-l2",
+ .vector_size = sizeof (u32),
+ .format_trace = format_l2_nonip_in_trace,
+ .type = VLIB_NODE_TYPE_INTERNAL,
+ .n_errors = ARRAY_LEN (fa_in_nonip_error_strings),
+ .error_strings = fa_in_nonip_error_strings,
+ .n_next_nodes = ACL_FA_N_NEXT,
+ .next_nodes =
+ {
+ [ACL_FA_ERROR_DROP] = "error-drop",
+ }
+};
+
+VNET_FEATURE_INIT (acl_in_l2_nonip_fa_feature, static) =
+{
+ .arc_name = "l2-input-nonip",
+ .node_name = "acl-plugin-in-nonip-l2",
+ .runs_before = VNET_FEATURES ("l2-input-feat-arc-end"),
+};
+
+VLIB_REGISTER_NODE (acl_out_nonip_node) =
+{
+ .name = "acl-plugin-out-nonip-l2",
+ .vector_size = sizeof (u32),
+ .format_trace = format_l2_nonip_out_trace,
+ .type = VLIB_NODE_TYPE_INTERNAL,
+ .n_errors = ARRAY_LEN (fa_out_nonip_error_strings),
+ .error_strings = fa_out_nonip_error_strings,
+ .n_next_nodes = ACL_FA_N_NEXT,
+ .next_nodes =
+ {
+ [ACL_FA_ERROR_DROP] = "error-drop",
+ }
+};
+
+VNET_FEATURE_INIT (acl_out_l2_nonip_fa_feature, static) =
+{
+ .arc_name = "l2-output-nonip",
+ .node_name = "acl-plugin-out-nonip-l2",
+ .runs_before = VNET_FEATURES ("l2-output-feat-arc-end"),
+};
+
+/* *INDENT-ON* */
+
+
+
+always_inline u16
+get_current_policy_epoch (acl_main_t * am, int is_input, u32 sw_if_index0)
+{
+ u32 **p_epoch_vec =
+ is_input ? &am->input_policy_epoch_by_sw_if_index :
+ &am->output_policy_epoch_by_sw_if_index;
+ u16 current_policy_epoch =
+ sw_if_index0 < vec_len (*p_epoch_vec) ? vec_elt (*p_epoch_vec,
+ sw_if_index0)
+ : (is_input * FA_POLICY_EPOCH_IS_INPUT);
+ return current_policy_epoch;
+}
+
+always_inline void
+maybe_trace_buffer (vlib_main_t * vm, vlib_node_runtime_t * node,
+ vlib_buffer_t * b, u32 sw_if_index0, u32 lc_index0,
+ u16 next0, int match_acl_in_index, int match_rule_index,
+ fa_5tuple_t * fa_5tuple, u8 action, u32 trace_bitmap)
+{
+ if (PREDICT_FALSE (b->flags & VLIB_BUFFER_IS_TRACED))
+ {
+ acl_fa_trace_t *t = vlib_add_trace (vm, node, b, sizeof (*t));
+ t->sw_if_index = sw_if_index0;
+ t->lc_index = lc_index0;
+ t->next_index = next0;
+ t->match_acl_in_index = match_acl_in_index;
+ t->match_rule_index = match_rule_index;
+ t->packet_info[0] = fa_5tuple->kv_40_8.key[0];
+ t->packet_info[1] = fa_5tuple->kv_40_8.key[1];
+ t->packet_info[2] = fa_5tuple->kv_40_8.key[2];
+ t->packet_info[3] = fa_5tuple->kv_40_8.key[3];
+ t->packet_info[4] = fa_5tuple->kv_40_8.key[4];
+ t->packet_info[5] = fa_5tuple->kv_40_8.value;
+ t->action = action;
+ t->trace_bitmap = trace_bitmap;
+ }
+}
+
+
+always_inline int
+stale_session_deleted (acl_main_t * am, int is_input,
+ acl_fa_per_worker_data_t * pw, u64 now,
+ u32 sw_if_index0, fa_full_session_id_t f_sess_id)
+{
+ u16 current_policy_epoch =
+ get_current_policy_epoch (am, is_input, sw_if_index0);
+
+ /* if the MSB of policy epoch matches but not the LSB means it is a stale session */
+ if ((0 ==
+ ((current_policy_epoch ^
+ f_sess_id.intf_policy_epoch) &
+ FA_POLICY_EPOCH_IS_INPUT))
+ && (current_policy_epoch != f_sess_id.intf_policy_epoch))
+ {
+ /* delete session and increment the counter */
+ vec_validate (pw->fa_session_epoch_change_by_sw_if_index, sw_if_index0);
+ vec_elt (pw->fa_session_epoch_change_by_sw_if_index, sw_if_index0)++;
+ if (acl_fa_conn_list_delete_session (am, f_sess_id, now))
+ {
+ /* delete the session only if we were able to unlink it */
+ acl_fa_two_stage_delete_session (am, sw_if_index0, f_sess_id, now);
+ }
+ return 1;
+ }
+ else
+ return 0;
+}
+
+
+
+
+
+always_inline void
+get_sw_if_index_xN (int vector_sz, int is_input, vlib_buffer_t ** b,
+ u32 * out_sw_if_index)
+{
+ int ii;
+ for (ii = 0; ii < vector_sz; ii++)
+ if (is_input)
+ out_sw_if_index[ii] = vnet_buffer (b[ii])->sw_if_index[VLIB_RX];
+ else
+ out_sw_if_index[ii] = vnet_buffer (b[ii])->sw_if_index[VLIB_TX];
+}
+
+always_inline void
+fill_5tuple_xN (int vector_sz, acl_main_t * am, int is_ip6, int is_input,
+ int is_l2_path, vlib_buffer_t ** b, u32 * sw_if_index,
+ fa_5tuple_t * out_fa_5tuple)
+{
+ int ii;
+ for (ii = 0; ii < vector_sz; ii++)
+ acl_fill_5tuple (am, sw_if_index[ii], b[ii], is_ip6,
+ is_input, is_l2_path, &out_fa_5tuple[ii]);
+}
+
+always_inline void
+make_session_hash_xN (int vector_sz, acl_main_t * am, int is_ip6,
+ u32 * sw_if_index, fa_5tuple_t * fa_5tuple,
+ u64 * out_hash)
+{
+ int ii;
+ for (ii = 0; ii < vector_sz; ii++)
+ out_hash[ii] =
+ acl_fa_make_session_hash (am, is_ip6, sw_if_index[ii], &fa_5tuple[ii]);
+}
+
+always_inline void
+prefetch_session_entry (acl_main_t * am, fa_full_session_id_t f_sess_id)
+{
+ fa_session_t *sess = get_session_ptr_no_check (am, f_sess_id.thread_index,
+ f_sess_id.session_index);
+ CLIB_PREFETCH (sess, 2 * CLIB_CACHE_LINE_BYTES, STORE);
+}
+
+always_inline u8
+process_established_session (vlib_main_t * vm, acl_main_t * am,
+ u32 counter_node_index, int is_input, u64 now,
+ fa_full_session_id_t f_sess_id,
+ u32 * sw_if_index, fa_5tuple_t * fa_5tuple,
+ u32 pkt_len, int node_trace_on,
+ u32 * trace_bitmap)
+{
+ u8 action = 0;
+ fa_session_t *sess = get_session_ptr_no_check (am, f_sess_id.thread_index,
+ f_sess_id.session_index);
+
+ int old_timeout_type = fa_session_get_timeout_type (am, sess);
+ action =
+ acl_fa_track_session (am, is_input, sw_if_index[0], now,
+ sess, &fa_5tuple[0], pkt_len);
+ int new_timeout_type = fa_session_get_timeout_type (am, sess);
+ /* Tracking might have changed the session timeout type, e.g. from transient to established */
+ if (PREDICT_FALSE (old_timeout_type != new_timeout_type))
+ {
+ acl_fa_restart_timer_for_session (am, now, f_sess_id);
+ vlib_node_increment_counter (vm, counter_node_index,
+ ACL_FA_ERROR_ACL_RESTART_SESSION_TIMER, 1);
+ if (node_trace_on)
+ *trace_bitmap |=
+ 0x00010000 + ((0xff & old_timeout_type) << 8) +
+ (0xff & new_timeout_type);
+ }
+ /*
+ * I estimate the likelihood to be very low - the VPP needs
+ * to have >64K interfaces to start with and then on
+ * exactly 64K indices apart needs to be exactly the same
+ * 5-tuple... Anyway, since this probability is nonzero -
+ * print an error and drop the unlucky packet.
+ * If this shows up in real world, we would need to bump
+ * the hash key length.
+ */
+ if (PREDICT_FALSE (sess->sw_if_index != sw_if_index[0]))
+ {
+ clib_warning
+ ("BUG: session LSB16(sw_if_index)=%d and 5-tuple=%d collision!",
+ sess->sw_if_index, sw_if_index[0]);
+ action = 0;
+ }
+ return action;
+
+}
+
+#define ACL_PLUGIN_VECTOR_SIZE 4
+#define ACL_PLUGIN_PREFETCH_GAP 3
+
+always_inline void
+acl_fa_node_common_prepare_fn (vlib_main_t * vm,
+ vlib_node_runtime_t * node,
+ vlib_frame_t * frame, int is_ip6, int is_input,
+ int is_l2_path, int with_stateful_datapath)
+ /* , int node_trace_on,
+ int reclassify_sessions) */
+{
+ u32 n_left, *from;
+ acl_main_t *am = &acl_main;
+ uword thread_index = os_get_thread_index ();
+ acl_fa_per_worker_data_t *pw = &am->per_worker_data[thread_index];
+
+ vlib_buffer_t **b;
+ u32 *sw_if_index;
+ fa_5tuple_t *fa_5tuple;
+ u64 *hash;
+
+
+
+ from = vlib_frame_vector_args (frame);
+ vlib_get_buffers (vm, from, pw->bufs, frame->n_vectors);
+
+ /* set the initial values for the current buffer the next pointers */
+ b = pw->bufs;
+ sw_if_index = pw->sw_if_indices;
+ fa_5tuple = pw->fa_5tuples;
+ hash = pw->hashes;
+
+
+ /*
+ * fill the sw_if_index, 5tuple and session hash,
+ * First in strides of size ACL_PLUGIN_VECTOR_SIZE,
+ * with buffer prefetch being
+ * ACL_PLUGIN_PREFETCH_GAP * ACL_PLUGIN_VECTOR_SIZE entries
+ * in front. Then with a simple single loop.
+ */
+
+ n_left = frame->n_vectors;
+ while (n_left >= (ACL_PLUGIN_PREFETCH_GAP + 1) * ACL_PLUGIN_VECTOR_SIZE)
+ {
+ const int vec_sz = ACL_PLUGIN_VECTOR_SIZE;
+ {
+ int ii;
+ for (ii = ACL_PLUGIN_PREFETCH_GAP * vec_sz;
+ ii < (ACL_PLUGIN_PREFETCH_GAP + 1) * vec_sz; ii++)
+ {
+ CLIB_PREFETCH (b[ii], CLIB_CACHE_LINE_BYTES, LOAD);
+ CLIB_PREFETCH (b[ii]->data, 2 * CLIB_CACHE_LINE_BYTES, LOAD);
+ }
+ }
+
+
+ get_sw_if_index_xN (vec_sz, is_input, b, sw_if_index);
+ fill_5tuple_xN (vec_sz, am, is_ip6, is_input, is_l2_path, &b[0],
+ &sw_if_index[0], &fa_5tuple[0]);
+ if (with_stateful_datapath)
+ make_session_hash_xN (vec_sz, am, is_ip6, &sw_if_index[0],
+ &fa_5tuple[0], &hash[0]);
+
+ n_left -= vec_sz;
+
+ fa_5tuple += vec_sz;
+ b += vec_sz;
+ sw_if_index += vec_sz;
+ hash += vec_sz;
+ }
+
+ while (n_left > 0)
+ {
+ const int vec_sz = 1;
+
+ get_sw_if_index_xN (vec_sz, is_input, b, sw_if_index);
+ fill_5tuple_xN (vec_sz, am, is_ip6, is_input, is_l2_path, &b[0],
+ &sw_if_index[0], &fa_5tuple[0]);
+ if (with_stateful_datapath)
+ make_session_hash_xN (vec_sz, am, is_ip6, &sw_if_index[0],
+ &fa_5tuple[0], &hash[0]);
+
+ n_left -= vec_sz;
+
+ fa_5tuple += vec_sz;
+ b += vec_sz;
+ sw_if_index += vec_sz;
+ hash += vec_sz;
+ }
+}
+
+
+always_inline uword
+acl_fa_inner_node_fn (vlib_main_t * vm,
+ vlib_node_runtime_t * node, vlib_frame_t * frame,
+ int is_ip6, int is_input, int is_l2_path,
+ int with_stateful_datapath, int node_trace_on,
+ int reclassify_sessions)
{
u32 n_left, *from;
- u32 pkts_acl_checked = 0;
- u32 pkts_new_session = 0;
u32 pkts_exist_session = 0;
+ u32 pkts_new_session = 0;
u32 pkts_acl_permit = 0;
- u32 pkts_restart_session_timer = 0;
u32 trace_bitmap = 0;
acl_main_t *am = &acl_main;
- fa_5tuple_t fa_5tuple;
vlib_node_runtime_t *error_node;
+ vlib_error_t no_error_existing_session;
u64 now = clib_cpu_time_now ();
uword thread_index = os_get_thread_index ();
acl_fa_per_worker_data_t *pw = &am->per_worker_data[thread_index];
- u16 nexts[VLIB_FRAME_SIZE], *next;
- vlib_buffer_t *bufs[VLIB_FRAME_SIZE], **b;
+ u16 *next;
+ vlib_buffer_t **b;
+ u32 *sw_if_index;
+ fa_5tuple_t *fa_5tuple;
+ u64 *hash;
+ /* for the delayed counters */
+ u32 saved_matched_acl_index = 0;
+ u32 saved_matched_ace_index = 0;
+ u32 saved_packet_count = 0;
+ u32 saved_byte_count = 0;
from = vlib_frame_vector_args (frame);
-
- error_node = vlib_node_get_runtime (vm, acl_fa_node->index);
-
- vlib_get_buffers (vm, from, bufs, frame->n_vectors);
- /* set the initial values for the current buffer the next pointers */
- b = bufs;
- next = nexts;
+ error_node = vlib_node_get_runtime (vm, node->node_index);
+ no_error_existing_session =
+ error_node->errors[ACL_FA_ERROR_ACL_EXIST_SESSION];
+
+ b = pw->bufs;
+ next = pw->nexts;
+ sw_if_index = pw->sw_if_indices;
+ fa_5tuple = pw->fa_5tuples;
+ hash = pw->hashes;
+
+ /*
+ * Now the "hard" work of session lookups and ACL lookups for new sessions.
+ * Due to the complexity, do it for the time being in single loop with
+ * the pipeline of three prefetches:
+ * 1) bucket for the session bihash
+ * 2) data for the session bihash
+ * 3) worker session record
+ */
+
+ fa_full_session_id_t f_sess_id_next = {.as_u64 = ~0ULL };
+
+ /* find the "next" session so we can kickstart the pipeline */
+ if (with_stateful_datapath)
+ acl_fa_find_session_with_hash (am, is_ip6, sw_if_index[0], hash[0],
+ &fa_5tuple[0], &f_sess_id_next.as_u64);
n_left = frame->n_vectors;
while (n_left > 0)
{
- u32 next0 = 0;
u8 action = 0;
- u32 sw_if_index0;
u32 lc_index0 = ~0;
int acl_check_needed = 1;
u32 match_acl_in_index = ~0;
u32 match_acl_pos = ~0;
u32 match_rule_index = ~0;
- u8 error0 = 0;
- n_left -= 1;
-
- if (is_input)
- sw_if_index0 = vnet_buffer (b[0])->sw_if_index[VLIB_RX];
- else
- sw_if_index0 = vnet_buffer (b[0])->sw_if_index[VLIB_TX];
-
- if (is_input)
- lc_index0 = am->input_lc_index_by_sw_if_index[sw_if_index0];
- else
- lc_index0 = am->output_lc_index_by_sw_if_index[sw_if_index0];
-
-
- u32 **p_epoch_vec =
- is_input ? &am->input_policy_epoch_by_sw_if_index :
- &am->output_policy_epoch_by_sw_if_index;
- u16 current_policy_epoch =
- sw_if_index0 < vec_len (*p_epoch_vec) ? vec_elt (*p_epoch_vec,
- sw_if_index0)
- : (is_input * FA_POLICY_EPOCH_IS_INPUT);
- /*
- * Extract the L3/L4 matching info into a 5-tuple structure.
- */
-
- acl_plugin_fill_5tuple_inline (&acl_main, lc_index0, b[0], is_ip6,
- is_input, is_l2_path,
- (fa_5tuple_opaque_t *) & fa_5tuple);
- fa_5tuple.l4.lsb_of_sw_if_index = sw_if_index0 & 0xffff;
- fa_5tuple.pkt.mask_type_index_lsb = ~0;
-#ifdef FA_NODE_VERBOSE_DEBUG
- clib_warning
- ("ACL_FA_NODE_DBG: packet 5-tuple %016llx %016llx %016llx %016llx %016llx %016llx",
- fa_5tuple.kv.key[0], fa_5tuple.kv.key[1], fa_5tuple.kv.key[2],
- fa_5tuple.kv.key[3], fa_5tuple.kv.key[4], fa_5tuple.kv.value);
-#endif
+ next[0] = 0; /* drop by default */
/* Try to match an existing session first */
- if (acl_fa_ifc_has_sessions (am, sw_if_index0))
+ if (with_stateful_datapath)
{
- u64 value_sess = ~0ULL;
- if (acl_fa_find_session
- (am, is_ip6, sw_if_index0, &fa_5tuple, &value_sess)
- && (value_sess != ~0ULL))
+ fa_full_session_id_t f_sess_id = f_sess_id_next;
+ switch (n_left)
{
- trace_bitmap |= 0x80000000;
- error0 = ACL_FA_ERROR_ACL_EXIST_SESSION;
- fa_full_session_id_t f_sess_id;
-
- f_sess_id.as_u64 = value_sess;
- ASSERT (f_sess_id.thread_index < vec_len (vlib_mains));
-
- fa_session_t *sess =
- get_session_ptr (am, f_sess_id.thread_index,
- f_sess_id.session_index);
- int old_timeout_type = fa_session_get_timeout_type (am, sess);
- action =
- acl_fa_track_session (am, is_input, sw_if_index0, now,
- sess, &fa_5tuple);
- /* expose the session id to the tracer */
- match_rule_index = f_sess_id.session_index;
- int new_timeout_type = fa_session_get_timeout_type (am, sess);
- acl_check_needed = 0;
- pkts_exist_session += 1;
- /* Tracking might have changed the session timeout type, e.g. from transient to established */
- if (PREDICT_FALSE (old_timeout_type != new_timeout_type))
+ default:
+ acl_fa_prefetch_session_bucket_for_hash (am, is_ip6, hash[5]);
+ /* fallthrough */
+ case 5:
+ case 4:
+ acl_fa_prefetch_session_data_for_hash (am, is_ip6, hash[3]);
+ /* fallthrough */
+ case 3:
+ case 2:
+ acl_fa_find_session_with_hash (am, is_ip6, sw_if_index[1],
+ hash[1], &fa_5tuple[1],
+ &f_sess_id_next.as_u64);
+ if (f_sess_id_next.as_u64 != ~0ULL)
{
- acl_fa_restart_timer_for_session (am, now, f_sess_id);
- pkts_restart_session_timer++;
- trace_bitmap |=
- 0x00010000 + ((0xff & old_timeout_type) << 8) +
- (0xff & new_timeout_type);
+ prefetch_session_entry (am, f_sess_id_next);
}
- /*
- * I estimate the likelihood to be very low - the VPP needs
- * to have >64K interfaces to start with and then on
- * exactly 64K indices apart needs to be exactly the same
- * 5-tuple... Anyway, since this probability is nonzero -
- * print an error and drop the unlucky packet.
- * If this shows up in real world, we would need to bump
- * the hash key length.
- */
- if (PREDICT_FALSE (sess->sw_if_index != sw_if_index0))
+ /* fallthrough */
+ case 1:
+ if (f_sess_id.as_u64 != ~0ULL)
{
- clib_warning
- ("BUG: session LSB16(sw_if_index) and 5-tuple collision!");
+ if (node_trace_on)
+ {
+ trace_bitmap |= 0x80000000;
+ }
+ ASSERT (f_sess_id.thread_index < vec_len (vlib_mains));
+ b[0]->error = no_error_existing_session;
acl_check_needed = 0;
- action = 0;
- }
- if (PREDICT_FALSE (am->reclassify_sessions))
- {
- /* if the MSB of policy epoch matches but not the LSB means it is a stale session */
- if ((0 ==
- ((current_policy_epoch ^
- f_sess_id.intf_policy_epoch) &
- FA_POLICY_EPOCH_IS_INPUT))
- && (current_policy_epoch !=
- f_sess_id.intf_policy_epoch))
+ pkts_exist_session += 1;
+ action =
+ process_established_session (vm, am, node->node_index,
+ is_input, now, f_sess_id,
+ &sw_if_index[0],
+ &fa_5tuple[0],
+ b[0]->current_length,
+ node_trace_on,
+ &trace_bitmap);
+
+ /* expose the session id to the tracer */
+ if (node_trace_on)
+ {
+ match_rule_index = f_sess_id.session_index;
+ }
+
+ if (reclassify_sessions)
{
- /* delete session and increment the counter */
- vec_validate
- (pw->fa_session_epoch_change_by_sw_if_index,
- sw_if_index0);
- vec_elt (pw->fa_session_epoch_change_by_sw_if_index,
- sw_if_index0)++;
- if (acl_fa_conn_list_delete_session
- (am, f_sess_id, now))
+ if (PREDICT_FALSE
+ (stale_session_deleted
+ (am, is_input, pw, now, sw_if_index[0],
+ f_sess_id)))
{
- /* delete the session only if we were able to unlink it */
- acl_fa_two_stage_delete_session (am, sw_if_index0,
- f_sess_id, now);
+ acl_check_needed = 1;
+ if (node_trace_on)
+ {
+ trace_bitmap |= 0x40000000;
+ }
+ /*
+ * If we have just deleted the session, and the next
+ * buffer is the same 5-tuple, that session prediction
+ * is wrong, correct it.
+ */
+ if ((f_sess_id_next.as_u64 != ~0ULL)
+ && 0 == memcmp (&fa_5tuple[1], &fa_5tuple[0],
+ sizeof (fa_5tuple[1])))
+ f_sess_id_next.as_u64 = ~0ULL;
}
- acl_check_needed = 1;
- trace_bitmap |= 0x40000000;
}
}
}
- }
- if (acl_check_needed)
- {
- action = 0; /* deny by default */
- acl_plugin_match_5tuple_inline (&acl_main, lc_index0,
- (fa_5tuple_opaque_t *) &
- fa_5tuple, is_ip6, &action,
- &match_acl_pos,
- &match_acl_in_index,
- &match_rule_index, &trace_bitmap);
- error0 = action;
- if (1 == action)
- pkts_acl_permit += 1;
- if (2 == action)
+ if (acl_check_needed)
{
- if (!acl_fa_can_add_session (am, is_input, sw_if_index0))
- acl_fa_try_recycle_session (am, is_input, thread_index,
- sw_if_index0, now);
-
- if (acl_fa_can_add_session (am, is_input, sw_if_index0))
- {
- fa_session_t *sess =
- acl_fa_add_session (am, is_input, is_ip6,
- sw_if_index0,
- now, &fa_5tuple,
- current_policy_epoch);
- acl_fa_track_session (am, is_input, sw_if_index0,
- now, sess, &fa_5tuple);
- pkts_new_session += 1;
- }
+ if (is_input)
+ lc_index0 = am->input_lc_index_by_sw_if_index[sw_if_index[0]];
else
+ lc_index0 =
+ am->output_lc_index_by_sw_if_index[sw_if_index[0]];
+
+ action = 0; /* deny by default */
+ int is_match = acl_plugin_match_5tuple_inline (am, lc_index0,
+ (fa_5tuple_opaque_t *) & fa_5tuple[0], is_ip6,
+ &action,
+ &match_acl_pos,
+ &match_acl_in_index,
+ &match_rule_index,
+ &trace_bitmap);
+ if (PREDICT_FALSE
+ (is_match && am->interface_acl_counters_enabled))
{
- action = 0;
- error0 = ACL_FA_ERROR_ACL_TOO_MANY_SESSIONS;
+ u32 buf_len = vlib_buffer_length_in_chain (vm, b[0]);
+ vlib_increment_combined_counter (am->combined_acl_counters +
+ saved_matched_acl_index,
+ thread_index,
+ saved_matched_ace_index,
+ saved_packet_count,
+ saved_byte_count);
+ saved_matched_acl_index = match_acl_in_index;
+ saved_matched_ace_index = match_rule_index;
+ saved_packet_count = 1;
+ saved_byte_count = buf_len;
+ /* prefetch the counter that we are going to increment */
+ vlib_prefetch_combined_counter (am->combined_acl_counters +
+ saved_matched_acl_index,
+ thread_index,
+ saved_matched_ace_index);
}
- }
- }
+ b[0]->error = error_node->errors[action];
+ if (1 == action)
+ pkts_acl_permit++;
- if (action > 0)
- {
- if (is_l2_path)
- next0 = vnet_l2_feature_next (b[0], l2_feat_next_node_index, 0);
- else
- vnet_feature_next (sw_if_index0, &next0, b[0]);
- }
-#ifdef FA_NODE_VERBOSE_DEBUG
- clib_warning
- ("ACL_FA_NODE_DBG: sw_if_index %d lc_index %d action %d acl_index %d rule_index %d",
- sw_if_index0, lc_index0, action, match_acl_in_index,
- match_rule_index);
-#endif
+ if (2 == action)
+ {
+ if (!acl_fa_can_add_session (am, is_input, sw_if_index[0]))
+ acl_fa_try_recycle_session (am, is_input,
+ thread_index,
+ sw_if_index[0], now);
- if (PREDICT_FALSE ((node->flags & VLIB_NODE_FLAG_TRACE)
- && (b[0]->flags & VLIB_BUFFER_IS_TRACED)))
- {
- acl_fa_trace_t *t = vlib_add_trace (vm, node, b[0], sizeof (*t));
- t->sw_if_index = sw_if_index0;
- t->lc_index = lc_index0;
- t->next_index = next0;
- t->match_acl_in_index = match_acl_in_index;
- t->match_rule_index = match_rule_index;
- t->packet_info[0] = fa_5tuple.kv_40_8.key[0];
- t->packet_info[1] = fa_5tuple.kv_40_8.key[1];
- t->packet_info[2] = fa_5tuple.kv_40_8.key[2];
- t->packet_info[3] = fa_5tuple.kv_40_8.key[3];
- t->packet_info[4] = fa_5tuple.kv_40_8.key[4];
- t->packet_info[5] = fa_5tuple.kv_40_8.value;
- t->action = action;
- t->trace_bitmap = trace_bitmap;
- }
+ if (acl_fa_can_add_session (am, is_input, sw_if_index[0]))
+ {
+ u16 current_policy_epoch =
+ get_current_policy_epoch (am, is_input,
+ sw_if_index[0]);
+ fa_full_session_id_t f_sess_id =
+ acl_fa_add_session (am, is_input, is_ip6,
+ sw_if_index[0],
+ now, &fa_5tuple[0],
+ current_policy_epoch);
+
+ /* perform the accounting for the newly added session */
+ process_established_session (vm, am,
+ node->node_index,
+ is_input, now,
+ f_sess_id,
+ &sw_if_index[0],
+ &fa_5tuple[0],
+ b[0]->current_length,
+ node_trace_on,
+ &trace_bitmap);
+ pkts_new_session++;
+ /*
+ * If the next 5tuple is the same and we just added the session,
+ * the f_sess_id_next can not be ~0. Correct it.
+ */
+ if ((f_sess_id_next.as_u64 == ~0ULL)
+ && 0 == memcmp (&fa_5tuple[1], &fa_5tuple[0],
+ sizeof (fa_5tuple[1])))
+ f_sess_id_next = f_sess_id;
+ }
+ else
+ {
+ action = 0;
+ b[0]->error =
+ error_node->errors
+ [ACL_FA_ERROR_ACL_TOO_MANY_SESSIONS];
+ }
+ }
- next0 = next0 < node->n_next_nodes ? next0 : 0;
- if (0 == next0)
- b[0]->error = error_node->errors[error0];
- next[0] = next0;
+ }
- next++;
- b++;
- pkts_acl_checked += 1;
- }
+ {
+ /* speculatively get the next0 */
+ vnet_feature_next_u16 (&next[0], b[0]);
+ /* if the action is not deny - then use that next */
+ next[0] = action ? next[0] : 0;
+ }
- vlib_buffer_enqueue_to_next (vm, node, from, nexts, frame->n_vectors);
+ if (node_trace_on) // PREDICT_FALSE (node->flags & VLIB_NODE_FLAG_TRACE))
+ {
+ maybe_trace_buffer (vm, node, b[0], sw_if_index[0], lc_index0,
+ next[0], match_acl_in_index,
+ match_rule_index, &fa_5tuple[0], action,
+ trace_bitmap);
+ }
- vlib_node_increment_counter (vm, acl_fa_node->index,
- ACL_FA_ERROR_ACL_CHECK, pkts_acl_checked);
- vlib_node_increment_counter (vm, acl_fa_node->index,
- ACL_FA_ERROR_ACL_PERMIT, pkts_acl_permit);
- vlib_node_increment_counter (vm, acl_fa_node->index,
- ACL_FA_ERROR_ACL_NEW_SESSION,
- pkts_new_session);
- vlib_node_increment_counter (vm, acl_fa_node->index,
+ next++;
+ b++;
+ fa_5tuple++;
+ sw_if_index++;
+ hash++;
+ n_left -= 1;
+ }
+ }
+
+ vlib_buffer_enqueue_to_next (vm, node, from, pw->nexts, frame->n_vectors);
+
+ /*
+ * if we were had an acl match then we have a counter to increment.
+ * else it is all zeroes, so this will be harmless.
+ */
+ vlib_increment_combined_counter (am->combined_acl_counters +
+ saved_matched_acl_index,
+ thread_index,
+ saved_matched_ace_index,
+ saved_packet_count, saved_byte_count);
+
+ vlib_node_increment_counter (vm, node->node_index,
+ ACL_FA_ERROR_ACL_CHECK, frame->n_vectors);
+ vlib_node_increment_counter (vm, node->node_index,
ACL_FA_ERROR_ACL_EXIST_SESSION,
pkts_exist_session);
- vlib_node_increment_counter (vm, acl_fa_node->index,
- ACL_FA_ERROR_ACL_RESTART_SESSION_TIMER,
- pkts_restart_session_timer);
+ vlib_node_increment_counter (vm, node->node_index,
+ ACL_FA_ERROR_ACL_NEW_SESSION,
+ pkts_new_session);
+ vlib_node_increment_counter (vm, node->node_index,
+ ACL_FA_ERROR_ACL_PERMIT, pkts_acl_permit);
return frame->n_vectors;
}
-vlib_node_registration_t acl_in_l2_ip6_node;
-VLIB_NODE_FN (acl_in_l2_ip6_node) (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * frame)
+always_inline uword
+acl_fa_outer_node_fn (vlib_main_t * vm,
+ vlib_node_runtime_t * node, vlib_frame_t * frame,
+ int is_ip6, int is_input, int is_l2_path,
+ int do_stateful_datapath)
{
acl_main_t *am = &acl_main;
- return acl_fa_node_fn (vm, node, frame, 1, 1, 1,
- am->fa_acl_in_ip6_l2_node_feat_next_node_index,
- &acl_in_l2_ip6_node);
-}
-vlib_node_registration_t acl_in_l2_ip4_node;
-VLIB_NODE_FN (acl_in_l2_ip4_node) (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * frame)
-{
- acl_main_t *am = &acl_main;
- return acl_fa_node_fn (vm, node, frame, 0, 1, 1,
- am->fa_acl_in_ip4_l2_node_feat_next_node_index,
- &acl_in_l2_ip4_node);
-}
+ acl_fa_node_common_prepare_fn (vm, node, frame, is_ip6, is_input,
+ is_l2_path, do_stateful_datapath);
-vlib_node_registration_t acl_out_l2_ip6_node;
-VLIB_NODE_FN (acl_out_l2_ip6_node) (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * frame)
-{
- acl_main_t *am = &acl_main;
- return acl_fa_node_fn (vm, node, frame, 1, 0, 1,
- am->fa_acl_out_ip6_l2_node_feat_next_node_index,
- &acl_out_l2_ip6_node);
+ if (am->reclassify_sessions)
+ {
+ if (PREDICT_FALSE (node->flags & VLIB_NODE_FLAG_TRACE))
+ return acl_fa_inner_node_fn (vm, node, frame, is_ip6, is_input,
+ is_l2_path, do_stateful_datapath,
+ 1 /* trace */ ,
+ 1 /* reclassify */ );
+ else
+ return acl_fa_inner_node_fn (vm, node, frame, is_ip6, is_input,
+ is_l2_path, do_stateful_datapath, 0,
+ 1 /* reclassify */ );
+ }
+ else
+ {
+ if (PREDICT_FALSE (node->flags & VLIB_NODE_FLAG_TRACE))
+ return acl_fa_inner_node_fn (vm, node, frame, is_ip6, is_input,
+ is_l2_path, do_stateful_datapath,
+ 1 /* trace */ ,
+ 0);
+ else
+ return acl_fa_inner_node_fn (vm, node, frame, is_ip6, is_input,
+ is_l2_path, do_stateful_datapath, 0, 0);
+ }
}
-vlib_node_registration_t acl_out_l2_ip4_node;
-VLIB_NODE_FN (acl_out_l2_ip4_node) (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * frame)
+always_inline uword
+acl_fa_node_fn (vlib_main_t * vm,
+ vlib_node_runtime_t * node, vlib_frame_t * frame, int is_ip6,
+ int is_input, int is_l2_path)
{
+ /* select the reclassify/no-reclassify version of the datapath */
acl_main_t *am = &acl_main;
- return acl_fa_node_fn (vm, node, frame, 0, 0, 1,
- am->fa_acl_out_ip4_l2_node_feat_next_node_index,
- &acl_out_l2_ip4_node);
-}
-
-/**** L3 processing path nodes ****/
-
-vlib_node_registration_t acl_in_fa_ip6_node;
-VLIB_NODE_FN (acl_in_fa_ip6_node) (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * frame)
-{
- return acl_fa_node_fn (vm, node, frame, 1, 1, 0, 0, &acl_in_fa_ip6_node);
-}
-vlib_node_registration_t acl_in_fa_ip4_node;
-VLIB_NODE_FN (acl_in_fa_ip4_node) (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * frame)
-{
- return acl_fa_node_fn (vm, node, frame, 0, 1, 0, 0, &acl_in_fa_ip4_node);
-}
-
-vlib_node_registration_t acl_out_fa_ip6_node;
-VLIB_NODE_FN (acl_out_fa_ip6_node) (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * frame)
-{
- return acl_fa_node_fn (vm, node, frame, 1, 0, 0, 0, &acl_out_fa_ip6_node);
+ if (am->fa_sessions_hash_is_initialized)
+ return acl_fa_outer_node_fn (vm, node, frame, is_ip6, is_input,
+ is_l2_path, 1);
+ else
+ return acl_fa_outer_node_fn (vm, node, frame, is_ip6, is_input,
+ is_l2_path, 0);
}
-vlib_node_registration_t acl_out_fa_ip4_node;
-VLIB_NODE_FN (acl_out_fa_ip4_node) (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * frame)
-{
- return acl_fa_node_fn (vm, node, frame, 0, 0, 0, 0, &acl_out_fa_ip4_node);
-}
-#ifndef CLIB_MARCH_VARIANT
static u8 *
format_fa_5tuple (u8 * s, va_list * args)
{
fa_5tuple_t *p5t = va_arg (*args, fa_5tuple_t *);
+ void *paddr0;
+ void *paddr1;
+ void *format_address_func;
+ void *ip_af;
+ void *ip_frag_txt =
+ p5t->pkt.is_nonfirst_fragment ? " non-initial fragment" : "";
if (p5t->pkt.is_ip6)
- return format (s, "lc_index %d (lsb16 of sw_if_index %d) l3 %s%s %U -> %U"
- " l4 proto %d l4_valid %d port %d -> %d tcp flags (%s) %02x rsvd %x",
- p5t->pkt.lc_index, p5t->l4.lsb_of_sw_if_index,
- "ip6",
- p5t->
- pkt.is_nonfirst_fragment ? " non-initial fragment" : "",
- format_ip6_address, &p5t->ip6_addr[0], format_ip6_address,
- &p5t->ip6_addr[1], p5t->l4.proto, p5t->pkt.l4_valid,
- p5t->l4.port[0], p5t->l4.port[1],
- p5t->pkt.tcp_flags_valid ? "valid" : "invalid",
- p5t->pkt.tcp_flags, p5t->pkt.flags_reserved);
+ {
+ ip_af = "ip6";
+ format_address_func = format_ip6_address;
+ paddr0 = &p5t->ip6_addr[0];
+ paddr1 = &p5t->ip6_addr[1];
+ }
else
- return format (s, "lc_index %d (lsb16 of sw_if_index %d) l3 %s%s %U -> %U"
- " l4 proto %d l4_valid %d port %d -> %d tcp flags (%s) %02x rsvd %x",
- p5t->pkt.lc_index, p5t->l4.lsb_of_sw_if_index,
- "ip4",
- p5t->
- pkt.is_nonfirst_fragment ? " non-initial fragment" : "",
- format_ip4_address, &p5t->ip4_addr[0], format_ip4_address,
- &p5t->ip4_addr[1], p5t->l4.proto, p5t->pkt.l4_valid,
- p5t->l4.port[0], p5t->l4.port[1],
- p5t->pkt.tcp_flags_valid ? "valid" : "invalid",
- p5t->pkt.tcp_flags, p5t->pkt.flags_reserved);
+ {
+ ip_af = "ip4";
+ format_address_func = format_ip4_address;
+ paddr0 = &p5t->ip4_addr[0];
+ paddr1 = &p5t->ip4_addr[1];
+ }
+
+ s =
+ format (s, "lc_index %d l3 %s%s ", p5t->pkt.lc_index, ip_af, ip_frag_txt);
+ s =
+ format (s, "%U -> %U ", format_address_func, paddr0, format_address_func,
+ paddr1);
+ s = format (s, "%U ", format_fa_session_l4_key, &p5t->l4);
+ s = format (s, "tcp flags (%s) %02x rsvd %x",
+ p5t->pkt.tcp_flags_valid ? "valid" : "invalid",
+ p5t->pkt.tcp_flags, p5t->pkt.flags_reserved);
+ return s;
}
+#ifndef CLIB_MARCH_VARIANT
u8 *
format_acl_plugin_5tuple (u8 * s, va_list * args)
{
return format_fa_5tuple (s, args);
}
+#endif
/* packet trace format function */
-u8 *
+static u8 *
format_acl_plugin_trace (u8 * s, va_list * args)
{
CLIB_UNUSED (vlib_main_t * vm) = va_arg (*args, vlib_main_t *);
return s;
}
-
/* *INDENT-OFF* */
static char *acl_fa_error_strings[] = {
#undef _
};
+VLIB_NODE_FN (acl_in_l2_ip6_node) (vlib_main_t * vm,
+ vlib_node_runtime_t * node,
+ vlib_frame_t * frame)
+{
+ return acl_fa_node_fn (vm, node, frame, 1, 1, 1);
+}
+
+VLIB_NODE_FN (acl_in_l2_ip4_node) (vlib_main_t * vm,
+ vlib_node_runtime_t * node,
+ vlib_frame_t * frame)
+{
+ return acl_fa_node_fn (vm, node, frame, 0, 1, 1);
+}
+
+VLIB_NODE_FN (acl_out_l2_ip6_node) (vlib_main_t * vm,
+ vlib_node_runtime_t * node,
+ vlib_frame_t * frame)
+{
+ return acl_fa_node_fn (vm, node, frame, 1, 0, 1);
+}
+
+VLIB_NODE_FN (acl_out_l2_ip4_node) (vlib_main_t * vm,
+ vlib_node_runtime_t * node,
+ vlib_frame_t * frame)
+{
+ return acl_fa_node_fn (vm, node, frame, 0, 0, 1);
+}
+
+/**** L3 processing path nodes ****/
+
+VLIB_NODE_FN (acl_in_fa_ip6_node) (vlib_main_t * vm,
+ vlib_node_runtime_t * node,
+ vlib_frame_t * frame)
+{
+ return acl_fa_node_fn (vm, node, frame, 1, 1, 0);
+}
+
+VLIB_NODE_FN (acl_in_fa_ip4_node) (vlib_main_t * vm,
+ vlib_node_runtime_t * node,
+ vlib_frame_t * frame)
+{
+ return acl_fa_node_fn (vm, node, frame, 0, 1, 0);
+}
+
+VLIB_NODE_FN (acl_out_fa_ip6_node) (vlib_main_t * vm,
+ vlib_node_runtime_t * node,
+ vlib_frame_t * frame)
+{
+ return acl_fa_node_fn (vm, node, frame, 1, 0, 0);
+}
+
+VLIB_NODE_FN (acl_out_fa_ip4_node) (vlib_main_t * vm,
+ vlib_node_runtime_t * node,
+ vlib_frame_t * frame)
+{
+ return acl_fa_node_fn (vm, node, frame, 0, 0, 0);
+}
+
VLIB_REGISTER_NODE (acl_in_l2_ip6_node) =
{
.name = "acl-plugin-in-ip6-l2",
}
};
+VNET_FEATURE_INIT (acl_in_l2_ip6_fa_feature, static) =
+{
+ .arc_name = "l2-input-ip6",
+ .node_name = "acl-plugin-in-ip6-l2",
+ .runs_before = VNET_FEATURES ("l2-input-feat-arc-end"),
+};
+
VLIB_REGISTER_NODE (acl_in_l2_ip4_node) =
{
.name = "acl-plugin-in-ip4-l2",
}
};
+VNET_FEATURE_INIT (acl_in_l2_ip4_fa_feature, static) =
+{
+ .arc_name = "l2-input-ip4",
+ .node_name = "acl-plugin-in-ip4-l2",
+ .runs_before = VNET_FEATURES ("l2-input-feat-arc-end"),
+};
+
+
VLIB_REGISTER_NODE (acl_out_l2_ip6_node) =
{
.name = "acl-plugin-out-ip6-l2",
}
};
+VNET_FEATURE_INIT (acl_out_l2_ip6_fa_feature, static) =
+{
+ .arc_name = "l2-output-ip6",
+ .node_name = "acl-plugin-out-ip6-l2",
+ .runs_before = VNET_FEATURES ("l2-output-feat-arc-end"),
+};
+
+
VLIB_REGISTER_NODE (acl_out_l2_ip4_node) =
{
.name = "acl-plugin-out-ip4-l2",
}
};
+VNET_FEATURE_INIT (acl_out_l2_ip4_fa_feature, static) =
+{
+ .arc_name = "l2-output-ip4",
+ .node_name = "acl-plugin-out-ip4-l2",
+ .runs_before = VNET_FEATURES ("l2-output-feat-arc-end"),
+};
+
VLIB_REGISTER_NODE (acl_in_fa_ip6_node) =
{
.node_name = "acl-plugin-out-ip4-fa",
.runs_before = VNET_FEATURES ("interface-output"),
};
-#endif
/* *INDENT-ON* */
Code Review / vpp.git / blobdiff