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 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)
+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;
+
- from = vlib_frame_vector_args (frame);
+ from = vlib_frame_vector_args (frame);
error_node = vlib_node_get_runtime (vm, node->node_index);
+ no_error_existing_session =
+ error_node->errors[ACL_FA_ERROR_ACL_EXIST_SESSION];
+
+ vlib_get_buffers (vm, from, pw->bufs, frame->n_vectors);
- vlib_get_buffers (vm, from, bufs, frame->n_vectors);
/* set the initial values for the current buffer the next pointers */
- b = bufs;
- next = nexts;
+ b = pw->bufs;
+ next = pw->nexts;
+ 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)
{
- 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;
+ const int vec_sz = 1;
- n_left -= 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]);
- 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];
+ n_left -= vec_sz;
- 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];
+ fa_5tuple += vec_sz;
+ b += vec_sz;
+ sw_if_index += vec_sz;
+ hash += vec_sz;
+ }
- u16 current_policy_epoch =
- get_current_policy_epoch (am, is_input, sw_if_index0);
+ 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
+ */
- /*
- * Extract the L3/L4 matching info into a 5-tuple structure.
- */
+ fa_full_session_id_t f_sess_id_next = {.as_u64 = ~0ULL };
- acl_fill_5tuple (&acl_main, sw_if_index0, b[0], is_ip6,
- is_input, is_l2_path, &fa_5tuple);
+ /* 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);
-#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
+ n_left = frame->n_vectors;
+ while (n_left > 0)
+ {
+ u8 action = 0;
+ 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;
+
+ 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 */
+ 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);
+ b[0]->error = error_node->errors[action];
+
+ if (1 == action)
+ pkts_acl_permit++;
+
+ if (2 == action)
{
- action = 0;
- error0 = ACL_FA_ERROR_ACL_TOO_MANY_SESSIONS;
+ 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 (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];
+ }
}
- }
- }
+ }
+ {
+ u32 next0;
+ /* speculatively get the next0 */
+ vnet_feature_next (&next0, b[0]);
+ /* if the action is not deny - then use that next */
+ next[0] = action ? next0 : 0;
+ }
- if (action > 0)
- {
- vnet_feature_next (&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 (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);
+ }
- 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;
+ next++;
+ b++;
+ fa_5tuple++;
+ sw_if_index++;
+ hash++;
+ n_left -= 1;
}
-
- 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;
}
- vlib_buffer_enqueue_to_next (vm, node, from, nexts, frame->n_vectors);
+ vlib_buffer_enqueue_to_next (vm, node, from, pw->nexts, frame->n_vectors);
vlib_node_increment_counter (vm, node->node_index,
- ACL_FA_ERROR_ACL_CHECK, pkts_acl_checked);
+ ACL_FA_ERROR_ACL_CHECK, frame->n_vectors);
vlib_node_increment_counter (vm, node->node_index,
- ACL_FA_ERROR_ACL_PERMIT, pkts_acl_permit);
+ ACL_FA_ERROR_ACL_EXIST_SESSION,
+ pkts_exist_session);
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_EXIST_SESSION,
- pkts_exist_session);
- vlib_node_increment_counter (vm, node->node_index,
- ACL_FA_ERROR_ACL_RESTART_SESSION_TIMER,
- pkts_restart_session_timer);
+ ACL_FA_ERROR_ACL_PERMIT, pkts_acl_permit);
return frame->n_vectors;
}
+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_reclassify)
+{
+ acl_main_t *am = &acl_main;
+
+ if (am->fa_sessions_hash_is_initialized)
+ {
+ 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, 1 /* stateful */ ,
+ 1 /* trace */ ,
+ do_reclassify);
+ else
+ return acl_fa_inner_node_fn (vm, node, frame, is_ip6, is_input,
+ is_l2_path, 1 /* stateful */ , 0,
+ do_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, 0 /* no state */ ,
+ 1 /* trace */ ,
+ do_reclassify);
+ else
+ return acl_fa_inner_node_fn (vm, node, frame, is_ip6, is_input,
+ is_l2_path, 0 /* no state */ , 0,
+ do_reclassify);
+ }
+}
+
+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;
+
+ if (am->reclassify_sessions)
+ 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_FN (acl_in_l2_ip6_node) (vlib_main_t * vm,
vlib_node_runtime_t * node,
vlib_frame_t * frame)
Code Review / vpp.git / commitdiff