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Diffstat (limited to 'src/vnet/ip/reass/ip6_full_reass.c')
-rw-r--r--src/vnet/ip/reass/ip6_full_reass.c98
1 files changed, 35 insertions, 63 deletions
diff --git a/src/vnet/ip/reass/ip6_full_reass.c b/src/vnet/ip/reass/ip6_full_reass.c
index 67505689bca..9ec40cd347c 100644
--- a/src/vnet/ip/reass/ip6_full_reass.c
+++ b/src/vnet/ip/reass/ip6_full_reass.c
@@ -310,7 +310,6 @@ format_ip6_full_reass_trace (u8 * s, va_list * args)
static void
ip6_full_reass_add_trace (vlib_main_t * vm, vlib_node_runtime_t * node,
- ip6_full_reass_main_t * rm,
ip6_full_reass_t * reass, u32 bi,
ip6_frag_hdr_t * ip6_frag_header,
ip6_full_reass_trace_operation_e action,
@@ -398,8 +397,8 @@ ip6_full_reass_free (ip6_full_reass_main_t * rm,
}
always_inline void
-ip6_full_reass_drop_all (vlib_main_t * vm, vlib_node_runtime_t * node,
- ip6_full_reass_main_t * rm, ip6_full_reass_t * reass)
+ip6_full_reass_drop_all (vlib_main_t *vm, vlib_node_runtime_t *node,
+ ip6_full_reass_t *reass)
{
u32 range_bi = reass->first_bi;
vlib_buffer_t *range_b;
@@ -461,7 +460,6 @@ ip6_full_reass_drop_all (vlib_main_t * vm, vlib_node_runtime_t * node,
always_inline void
ip6_full_reass_on_timeout (vlib_main_t * vm, vlib_node_runtime_t * node,
- ip6_full_reass_main_t * rm,
ip6_full_reass_t * reass, u32 * icmp_bi)
{
if (~0 == reass->first_bi)
@@ -476,8 +474,8 @@ ip6_full_reass_on_timeout (vlib_main_t * vm, vlib_node_runtime_t * node,
*icmp_bi = reass->first_bi;
if (PREDICT_FALSE (b->flags & VLIB_BUFFER_IS_TRACED))
{
- ip6_full_reass_add_trace (vm, node, rm, reass, reass->first_bi,
- NULL, ICMP_ERROR_RT_EXCEEDED, ~0);
+ ip6_full_reass_add_trace (vm, node, reass, reass->first_bi, NULL,
+ ICMP_ERROR_RT_EXCEEDED, ~0);
}
// fragment with offset zero received - send icmp message back
if (b->flags & VLIB_BUFFER_NEXT_PRESENT)
@@ -495,7 +493,7 @@ ip6_full_reass_on_timeout (vlib_main_t * vm, vlib_node_runtime_t * node,
0);
}
}
- ip6_full_reass_drop_all (vm, node, rm, reass);
+ ip6_full_reass_drop_all (vm, node, reass);
}
always_inline ip6_full_reass_t *
@@ -528,7 +526,7 @@ again:
if (now > reass->last_heard + rm->timeout)
{
- ip6_full_reass_on_timeout (vm, node, rm, reass, icmp_bi);
+ ip6_full_reass_on_timeout (vm, node, reass, icmp_bi);
ip6_full_reass_free (rm, rt, reass);
reass = NULL;
}
@@ -763,7 +761,7 @@ ip6_full_reass_finalize (vlib_main_t * vm, vlib_node_runtime_t * node,
first_b->flags &= ~VLIB_BUFFER_EXT_HDR_VALID;
if (PREDICT_FALSE (first_b->flags & VLIB_BUFFER_IS_TRACED))
{
- ip6_full_reass_add_trace (vm, node, rm, reass, reass->first_bi, NULL,
+ ip6_full_reass_add_trace (vm, node, reass, reass->first_bi, NULL,
FINALIZE, ~0);
#if 0
// following code does a hexdump of packet fragments to stdout ...
@@ -811,8 +809,6 @@ free_buffers_and_return:
always_inline void
ip6_full_reass_insert_range_in_chain (vlib_main_t * vm,
- ip6_full_reass_main_t * rm,
- ip6_full_reass_per_thread_t * rt,
ip6_full_reass_t * reass,
u32 prev_range_bi, u32 new_next_bi)
{
@@ -884,8 +880,7 @@ ip6_full_reass_update (vlib_main_t * vm, vlib_node_runtime_t * node,
if (~0 == reass->first_bi)
{
// starting a new reassembly
- ip6_full_reass_insert_range_in_chain (vm, rm, rt, reass, prev_range_bi,
- *bi0);
+ ip6_full_reass_insert_range_in_chain (vm, reass, prev_range_bi, *bi0);
reass->min_fragment_length = clib_net_to_host_u16 (fip->payload_length);
consumed = 1;
reass->fragments_n = 1;
@@ -907,8 +902,8 @@ ip6_full_reass_update (vlib_main_t * vm, vlib_node_runtime_t * node,
~0 == candidate_range_bi)
{
// special case - this fragment falls beyond all known ranges
- ip6_full_reass_insert_range_in_chain (vm, rm, rt, reass,
- prev_range_bi, *bi0);
+ ip6_full_reass_insert_range_in_chain (vm, reass, prev_range_bi,
+ *bi0);
consumed = 1;
break;
}
@@ -917,8 +912,8 @@ ip6_full_reass_update (vlib_main_t * vm, vlib_node_runtime_t * node,
if (fragment_last < candidate_vnb->ip.reass.range_first)
{
// this fragment ends before candidate range without any overlap
- ip6_full_reass_insert_range_in_chain (vm, rm, rt, reass,
- prev_range_bi, *bi0);
+ ip6_full_reass_insert_range_in_chain (vm, reass, prev_range_bi,
+ *bi0);
consumed = 1;
}
else if (fragment_first == candidate_vnb->ip.reass.range_first &&
@@ -931,10 +926,10 @@ ip6_full_reass_update (vlib_main_t * vm, vlib_node_runtime_t * node,
// overlapping fragment - not allowed by RFC 8200
if (PREDICT_FALSE (fb->flags & VLIB_BUFFER_IS_TRACED))
{
- ip6_full_reass_add_trace (vm, node, rm, reass, *bi0, frag_hdr,
+ ip6_full_reass_add_trace (vm, node, reass, *bi0, frag_hdr,
RANGE_OVERLAP, ~0);
}
- ip6_full_reass_drop_all (vm, node, rm, reass);
+ ip6_full_reass_drop_all (vm, node, reass);
ip6_full_reass_free (rm, rt, reass);
*next0 = IP6_FULL_REASSEMBLY_NEXT_DROP;
*error0 = IP6_ERROR_REASS_OVERLAPPING_FRAGMENT;
@@ -948,8 +943,8 @@ check_if_done_maybe:
{
if (PREDICT_FALSE (fb->flags & VLIB_BUFFER_IS_TRACED))
{
- ip6_full_reass_add_trace (vm, node, rm, reass, *bi0, frag_hdr,
- RANGE_NEW, ~0);
+ ip6_full_reass_add_trace (vm, node, reass, *bi0, frag_hdr, RANGE_NEW,
+ ~0);
}
}
if (~0 != reass->last_packet_octet &&
@@ -1010,7 +1005,6 @@ ip6_full_reass_verify_upper_layer_present (vlib_node_runtime_t * node,
always_inline bool
ip6_full_reass_verify_fragment_multiple_8 (vlib_main_t * vm,
- vlib_node_runtime_t * node,
vlib_buffer_t * b,
ip6_frag_hdr_t * frag_hdr)
{
@@ -1032,7 +1026,6 @@ ip6_full_reass_verify_fragment_multiple_8 (vlib_main_t * vm,
always_inline bool
ip6_full_reass_verify_packet_size_lt_64k (vlib_main_t * vm,
- vlib_node_runtime_t * node,
vlib_buffer_t * b,
ip6_frag_hdr_t * frag_hdr)
{
@@ -1111,10 +1104,8 @@ ip6_full_reassembly_inline (vlib_main_t * vm,
goto skip_reass;
}
}
- if (!ip6_full_reass_verify_fragment_multiple_8
- (vm, node, b0, frag_hdr)
- || !ip6_full_reass_verify_packet_size_lt_64k (vm, node, b0,
- frag_hdr))
+ if (!ip6_full_reass_verify_fragment_multiple_8 (vm, b0, frag_hdr) ||
+ !ip6_full_reass_verify_packet_size_lt_64k (vm, b0, frag_hdr))
{
next0 = IP6_FULL_REASSEMBLY_NEXT_ICMP_ERROR;
goto skip_reass;
@@ -1170,14 +1161,14 @@ ip6_full_reassembly_inline (vlib_main_t * vm,
vlib_node_increment_counter (vm, node->node_index,
IP6_ERROR_REASS_FRAGMENT_CHAIN_TOO_LONG,
1);
- ip6_full_reass_drop_all (vm, node, rm, reass);
+ ip6_full_reass_drop_all (vm, node, reass);
ip6_full_reass_free (rm, rt, reass);
goto next_packet;
break;
case IP6_FULL_REASS_RC_NO_BUF:
vlib_node_increment_counter (vm, node->node_index,
IP6_ERROR_REASS_NO_BUF, 1);
- ip6_full_reass_drop_all (vm, node, rm, reass);
+ ip6_full_reass_drop_all (vm, node, reass);
ip6_full_reass_free (rm, rt, reass);
goto next_packet;
break;
@@ -1185,7 +1176,7 @@ ip6_full_reassembly_inline (vlib_main_t * vm,
vlib_node_increment_counter (vm, node->node_index,
IP6_ERROR_REASS_INTERNAL_ERROR,
1);
- ip6_full_reass_drop_all (vm, node, rm, reass);
+ ip6_full_reass_drop_all (vm, node, reass);
ip6_full_reass_free (rm, rt, reass);
goto next_packet;
break;
@@ -1223,10 +1214,9 @@ ip6_full_reassembly_inline (vlib_main_t * vm,
{
if (PREDICT_FALSE (b0->flags & VLIB_BUFFER_IS_TRACED))
{
- ip6_full_reass_add_trace (vm, node, rm, NULL, bi0,
- frag_hdr, HANDOFF,
- vnet_buffer (b0)->ip.
- reass.owner_thread_index);
+ ip6_full_reass_add_trace (
+ vm, node, NULL, bi0, frag_hdr, HANDOFF,
+ vnet_buffer (b0)->ip.reass.owner_thread_index);
}
}
else if (is_feature && IP6_ERROR_NONE == error0)
@@ -1273,7 +1263,6 @@ VLIB_NODE_FN (ip6_full_reass_node) (vlib_main_t * vm,
false /* is_custom_app */ );
}
-/* *INDENT-OFF* */
VLIB_REGISTER_NODE (ip6_full_reass_node) = {
.name = "ip6-full-reassembly",
.vector_size = sizeof (u32),
@@ -1289,7 +1278,6 @@ VLIB_REGISTER_NODE (ip6_full_reass_node) = {
[IP6_FULL_REASSEMBLY_NEXT_HANDOFF] = "ip6-full-reassembly-handoff",
},
};
-/* *INDENT-ON* */
VLIB_NODE_FN (ip6_full_reass_node_feature) (vlib_main_t * vm,
vlib_node_runtime_t * node,
@@ -1299,7 +1287,6 @@ VLIB_NODE_FN (ip6_full_reass_node_feature) (vlib_main_t * vm,
false /* is_custom_app */ );
}
-/* *INDENT-OFF* */
VLIB_REGISTER_NODE (ip6_full_reass_node_feature) = {
.name = "ip6-full-reassembly-feature",
.vector_size = sizeof (u32),
@@ -1315,9 +1302,7 @@ VLIB_REGISTER_NODE (ip6_full_reass_node_feature) = {
[IP6_FULL_REASSEMBLY_NEXT_HANDOFF] = "ip6-full-reass-feature-hoff",
},
};
-/* *INDENT-ON* */
-/* *INDENT-OFF* */
VNET_FEATURE_INIT (ip6_full_reassembly_feature, static) = {
.arc_name = "ip6-unicast",
.node_name = "ip6-full-reassembly-feature",
@@ -1325,7 +1310,6 @@ VNET_FEATURE_INIT (ip6_full_reassembly_feature, static) = {
"ipsec6-input-feature"),
.runs_after = 0,
};
-/* *INDENT-ON* */
#ifndef CLIB_MARCH_VARIANT
static u32
@@ -1486,8 +1470,8 @@ VLIB_INIT_FUNCTION (ip6_full_reass_init_function);
#endif /* CLIB_MARCH_VARIANT */
static uword
-ip6_full_reass_walk_expired (vlib_main_t * vm,
- vlib_node_runtime_t * node, vlib_frame_t * f)
+ip6_full_reass_walk_expired (vlib_main_t *vm, vlib_node_runtime_t *node,
+ CLIB_UNUSED (vlib_frame_t *f))
{
ip6_full_reass_main_t *rm = &ip6_full_reass_main;
uword event_type, *event_data = 0;
@@ -1501,10 +1485,11 @@ ip6_full_reass_walk_expired (vlib_main_t * vm,
switch (event_type)
{
- case ~0: /* no events => timeout */
- /* nothing to do here */
- break;
+ case ~0:
+ /* no events => timeout */
+ /* fallthrough */
case IP6_EVENT_CONFIG_CHANGED:
+ /* nothing to do here */
break;
default:
clib_warning ("BUG: event type 0x%wx", event_type);
@@ -1526,7 +1511,6 @@ ip6_full_reass_walk_expired (vlib_main_t * vm,
clib_spinlock_lock (&rt->lock);
vec_reset_length (pool_indexes_to_free);
- /* *INDENT-OFF* */
pool_foreach_index (index, rt->pool) {
reass = pool_elt_at_index (rt->pool, index);
if (now > reass->last_heard + rm->timeout)
@@ -1534,20 +1518,17 @@ ip6_full_reass_walk_expired (vlib_main_t * vm,
vec_add1 (pool_indexes_to_free, index);
}
}
- /* *INDENT-ON* */
int *i;
- /* *INDENT-OFF* */
vec_foreach (i, pool_indexes_to_free)
{
ip6_full_reass_t *reass = pool_elt_at_index (rt->pool, i[0]);
u32 icmp_bi = ~0;
- ip6_full_reass_on_timeout (vm, node, rm, reass, &icmp_bi);
- if (~0 != icmp_bi)
- vec_add1 (vec_icmp_bi, icmp_bi);
+ ip6_full_reass_on_timeout (vm, node, reass, &icmp_bi);
+ if (~0 != icmp_bi)
+ vec_add1 (vec_icmp_bi, icmp_bi);
- ip6_full_reass_free (rm, rt, reass);
- }
- /* *INDENT-ON* */
+ ip6_full_reass_free (rm, rt, reass);
+ }
clib_spinlock_unlock (&rt->lock);
}
@@ -1586,7 +1567,6 @@ ip6_full_reass_walk_expired (vlib_main_t * vm,
return 0;
}
-/* *INDENT-OFF* */
VLIB_REGISTER_NODE (ip6_full_reass_expire_node) = {
.function = ip6_full_reass_walk_expired,
.format_trace = format_ip6_full_reass_trace,
@@ -1597,7 +1577,6 @@ VLIB_REGISTER_NODE (ip6_full_reass_expire_node) = {
.error_strings = ip6_full_reassembly_error_strings,
};
-/* *INDENT-ON* */
static u8 *
format_ip6_full_reass_key (u8 * s, va_list * args)
@@ -1671,11 +1650,9 @@ show_ip6_full_reass (vlib_main_t * vm, unformat_input_t * input,
clib_spinlock_lock (&rt->lock);
if (details)
{
- /* *INDENT-OFF* */
pool_foreach (reass, rt->pool) {
vlib_cli_output (vm, "%U", format_ip6_full_reass, vm, reass);
}
- /* *INDENT-ON* */
}
sum_reass_n += rt->reass_n;
clib_spinlock_unlock (&rt->lock);
@@ -1701,13 +1678,11 @@ show_ip6_full_reass (vlib_main_t * vm, unformat_input_t * input,
return 0;
}
-/* *INDENT-OFF* */
VLIB_CLI_COMMAND (show_ip6_full_reassembly_cmd, static) = {
.path = "show ip6-full-reassembly",
.short_help = "show ip6-full-reassembly [details]",
.function = show_ip6_full_reass,
};
-/* *INDENT-ON* */
#ifndef CLIB_MARCH_VARIANT
vnet_api_error_t
@@ -1813,7 +1788,6 @@ VLIB_NODE_FN (ip6_full_reassembly_handoff_node) (vlib_main_t * vm,
false /* is_feature */ );
}
-/* *INDENT-OFF* */
VLIB_REGISTER_NODE (ip6_full_reassembly_handoff_node) = {
.name = "ip6-full-reassembly-handoff",
.vector_size = sizeof (u32),
@@ -1836,7 +1810,6 @@ VLIB_NODE_FN (ip6_full_reassembly_feature_handoff_node) (vlib_main_t * vm,
}
-/* *INDENT-OFF* */
VLIB_REGISTER_NODE (ip6_full_reassembly_feature_handoff_node) = {
.name = "ip6-full-reass-feature-hoff",
.vector_size = sizeof (u32),
@@ -1850,7 +1823,6 @@ VLIB_REGISTER_NODE (ip6_full_reassembly_feature_handoff_node) = {
[0] = "error-drop",
},
};
-/* *INDENT-ON* */
#ifndef CLIB_MARCH_VARIANT
int