/* *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
-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)
{
--- /dev/null
+/*
+ * Copyright (c) 2016-2018 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include <stddef.h>
+#include <netinet/in.h>
+
+#include <vlib/vlib.h>
+#include <vnet/vnet.h>
+#include <vnet/pg/pg.h>
+#include <vppinfra/error.h>
+
+
+#include <acl/acl.h>
+#include <vnet/ip/icmp46_packet.h>
+
+#include <plugins/acl/fa_node.h>
+#include <plugins/acl/acl.h>
+#include <plugins/acl/lookup_context.h>
+#include <plugins/acl/public_inlines.h>
+#include <plugins/acl/session_inlines.h>
+
+#include <vppinfra/bihash_40_8.h>
+#include <vppinfra/bihash_template.h>
+
+typedef struct
+{
+ u32 next_index;
+ u32 sw_if_index;
+ u32 lc_index;
+ u32 match_acl_in_index;
+ u32 match_rule_index;
+ u64 packet_info[6];
+ u32 trace_bitmap;
+ u8 action;
+} acl_fa_trace_t;
+
+/* *INDENT-OFF* */
+#define foreach_acl_fa_error \
+_(ACL_DROP, "ACL deny packets") \
+_(ACL_PERMIT, "ACL permit packets") \
+_(ACL_NEW_SESSION, "new sessions added") \
+_(ACL_EXIST_SESSION, "existing session packets") \
+_(ACL_CHECK, "checked packets") \
+_(ACL_RESTART_SESSION_TIMER, "restart session timer") \
+_(ACL_TOO_MANY_SESSIONS, "too many sessions to add new") \
+/* end of errors */
+
+typedef enum
+{
+#define _(sym,str) ACL_FA_ERROR_##sym,
+ foreach_acl_fa_error
+#undef _
+ ACL_FA_N_ERROR,
+} acl_fa_error_t;
+
+/* *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
+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* */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
Code Review / vpp.git / commitdiff