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authorKlement Sekera <ksekera@cisco.com>2021-08-02 16:14:15 +0200
committerOle Tr�an <otroan@employees.org>2021-08-17 16:15:08 +0000
commit42cec0e451219c13002a28aa0a93c96853fb8fb7 (patch)
treeda953b5c9400c40a1abd4fc17f47e6bec3d4bd05 /src/vnet/ip/reass/ip6_sv_reass.c
parent6da37696511c764d1ebaa4660ade2c0cac4ce713 (diff)
ip: reassembly cleanup
Remove unused parameters and fix warnings. Type: fix Signed-off-by: Klement Sekera <ksekera@cisco.com> Change-Id: I2d0e7b84b56817999283ecb6be606159dcb26a28
Diffstat (limited to 'src/vnet/ip/reass/ip6_sv_reass.c')
-rw-r--r--src/vnet/ip/reass/ip6_sv_reass.c90
1 files changed, 32 insertions, 58 deletions
diff --git a/src/vnet/ip/reass/ip6_sv_reass.c b/src/vnet/ip/reass/ip6_sv_reass.c
index d5218a4fb1d..28941311f50 100644
--- a/src/vnet/ip/reass/ip6_sv_reass.c
+++ b/src/vnet/ip/reass/ip6_sv_reass.c
@@ -222,7 +222,6 @@ format_ip6_sv_reass_trace (u8 * s, va_list * args)
static void
ip6_sv_reass_add_trace (vlib_main_t * vm, vlib_node_runtime_t * node,
- ip6_sv_reass_main_t * rm,
ip6_sv_reass_t * reass, u32 bi,
ip6_sv_reass_trace_operation_e action,
u32 ip_proto, u16 l4_src_port, u16 l4_dst_port)
@@ -303,11 +302,9 @@ ip6_sv_reass_init (ip6_sv_reass_t * reass)
}
always_inline ip6_sv_reass_t *
-ip6_sv_reass_find_or_create (vlib_main_t * vm, vlib_node_runtime_t * node,
- ip6_sv_reass_main_t * rm,
- ip6_sv_reass_per_thread_t * rt,
- ip6_sv_reass_kv_t * kv, u32 * icmp_bi,
- u8 * do_handoff)
+ip6_sv_reass_find_or_create (vlib_main_t *vm, ip6_sv_reass_main_t *rm,
+ ip6_sv_reass_per_thread_t *rt,
+ ip6_sv_reass_kv_t *kv, u8 *do_handoff)
{
ip6_sv_reass_t *reass = NULL;
f64 now = vlib_time_now (vm);
@@ -381,10 +378,9 @@ ip6_sv_reass_find_or_create (vlib_main_t * vm, vlib_node_runtime_t * node,
}
always_inline ip6_sv_reass_rc_t
-ip6_sv_reass_update (vlib_main_t * vm, vlib_node_runtime_t * node,
- ip6_sv_reass_main_t * rm, ip6_sv_reass_per_thread_t * rt,
- ip6_sv_reass_t * reass, u32 bi0,
- ip6_frag_hdr_t * frag_hdr)
+ip6_sv_reass_update (vlib_main_t *vm, vlib_node_runtime_t *node,
+ ip6_sv_reass_main_t *rm, ip6_sv_reass_t *reass, u32 bi0,
+ ip6_frag_hdr_t *frag_hdr)
{
vlib_buffer_t *fb = vlib_get_buffer (vm, bi0);
vnet_buffer_opaque_t *fvnb = vnet_buffer (fb);
@@ -421,7 +417,7 @@ ip6_sv_reass_update (vlib_main_t * vm, vlib_node_runtime_t * node,
vlib_buffer_t *b0 = vlib_get_buffer (vm, bi0);
if (PREDICT_FALSE (b0->flags & VLIB_BUFFER_IS_TRACED))
{
- ip6_sv_reass_add_trace (vm, node, rm, reass, bi0, REASS_FINISH,
+ ip6_sv_reass_add_trace (vm, node, reass, bi0, REASS_FINISH,
reass->ip_proto, reass->l4_src_port,
reass->l4_dst_port);
}
@@ -431,9 +427,9 @@ ip6_sv_reass_update (vlib_main_t * vm, vlib_node_runtime_t * node,
{
if (PREDICT_FALSE (fb->flags & VLIB_BUFFER_IS_TRACED))
{
- ip6_sv_reass_add_trace (vm, node, rm, reass, bi0,
- REASS_FRAGMENT_CACHE, reass->ip_proto,
- reass->l4_src_port, reass->l4_dst_port);
+ ip6_sv_reass_add_trace (vm, node, reass, bi0, REASS_FRAGMENT_CACHE,
+ reass->ip_proto, reass->l4_src_port,
+ reass->l4_dst_port);
}
if (vec_len (reass->cached_buffers) > rm->max_reass_len)
{
@@ -467,7 +463,6 @@ ip6_sv_reass_verify_upper_layer_present (vlib_node_runtime_t * node,
always_inline bool
ip6_sv_reass_verify_fragment_multiple_8 (vlib_main_t * vm,
- vlib_node_runtime_t * node,
vlib_buffer_t * b,
ip6_frag_hdr_t * frag_hdr)
{
@@ -489,7 +484,6 @@ ip6_sv_reass_verify_fragment_multiple_8 (vlib_main_t * vm,
always_inline bool
ip6_sv_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)
{
@@ -534,7 +528,6 @@ ip6_sv_reassembly_inline (vlib_main_t * vm,
vlib_buffer_t *b0;
u32 next0 = IP6_SV_REASSEMBLY_NEXT_DROP;
u32 error0 = IP6_ERROR_NONE;
- u32 icmp_bi = ~0;
bi0 = from[0];
b0 = vlib_get_buffer (vm, bi0);
@@ -570,13 +563,11 @@ ip6_sv_reassembly_inline (vlib_main_t * vm,
next0 = IP6_SV_REASSEMBLY_NEXT_INPUT;
if (PREDICT_FALSE (b0->flags & VLIB_BUFFER_IS_TRACED))
{
- ip6_sv_reass_add_trace (vm, node, rm, NULL, bi0,
- REASS_PASSTHROUGH,
- vnet_buffer (b0)->ip.reass.ip_proto,
- vnet_buffer (b0)->ip.
- reass.l4_src_port,
- vnet_buffer (b0)->ip.
- reass.l4_dst_port);
+ ip6_sv_reass_add_trace (
+ vm, node, NULL, bi0, REASS_PASSTHROUGH,
+ vnet_buffer (b0)->ip.reass.ip_proto,
+ vnet_buffer (b0)->ip.reass.l4_src_port,
+ vnet_buffer (b0)->ip.reass.l4_dst_port);
}
goto packet_enqueue;
}
@@ -592,10 +583,8 @@ ip6_sv_reassembly_inline (vlib_main_t * vm,
goto packet_enqueue;
}
}
- if (!ip6_sv_reass_verify_fragment_multiple_8
- (vm, node, b0, frag_hdr)
- || !ip6_sv_reass_verify_packet_size_lt_64k (vm, node, b0,
- frag_hdr))
+ if (!ip6_sv_reass_verify_fragment_multiple_8 (vm, b0, frag_hdr) ||
+ !ip6_sv_reass_verify_packet_size_lt_64k (vm, b0, frag_hdr))
{
next0 = IP6_SV_REASSEMBLY_NEXT_ICMP_ERROR;
goto packet_enqueue;
@@ -615,8 +604,7 @@ ip6_sv_reassembly_inline (vlib_main_t * vm,
kv.k.as_u64[5] = ip0->protocol;
ip6_sv_reass_t *reass =
- ip6_sv_reass_find_or_create (vm, node, rm, rt, &kv, &icmp_bi,
- &do_handoff);
+ ip6_sv_reass_find_or_create (vm, rm, rt, &kv, &do_handoff);
if (PREDICT_FALSE (do_handoff))
{
@@ -650,17 +638,14 @@ ip6_sv_reassembly_inline (vlib_main_t * vm,
next0 = IP6_SV_REASSEMBLY_NEXT_INPUT;
if (PREDICT_FALSE (b0->flags & VLIB_BUFFER_IS_TRACED))
{
- ip6_sv_reass_add_trace (vm, node, rm, reass, bi0,
- REASS_FRAGMENT_FORWARD,
- reass->ip_proto,
- reass->l4_src_port,
- reass->l4_dst_port);
+ ip6_sv_reass_add_trace (
+ vm, node, reass, bi0, REASS_FRAGMENT_FORWARD,
+ reass->ip_proto, reass->l4_src_port, reass->l4_dst_port);
}
goto packet_enqueue;
}
- switch (ip6_sv_reass_update
- (vm, node, rm, rt, reass, bi0, frag_hdr))
+ switch (ip6_sv_reass_update (vm, node, rm, reass, bi0, frag_hdr))
{
case IP6_SV_REASS_RC_OK:
/* nothing to do here */
@@ -724,11 +709,9 @@ ip6_sv_reassembly_inline (vlib_main_t * vm,
vnet_buffer (b0)->ip.reass.l4_dst_port = reass->l4_dst_port;
if (PREDICT_FALSE (b0->flags & VLIB_BUFFER_IS_TRACED))
{
- ip6_sv_reass_add_trace (vm, node, rm, reass, bi0,
- REASS_FRAGMENT_FORWARD,
- reass->ip_proto,
- reass->l4_src_port,
- reass->l4_dst_port);
+ ip6_sv_reass_add_trace (
+ vm, node, reass, bi0, REASS_FRAGMENT_FORWARD,
+ reass->ip_proto, reass->l4_src_port, reass->l4_dst_port);
}
vlib_validate_buffer_enqueue_x1 (vm, node, next_index,
to_next, n_left_to_next, bi0,
@@ -750,17 +733,6 @@ ip6_sv_reassembly_inline (vlib_main_t * vm,
vlib_validate_buffer_enqueue_x1 (vm, node, next_index, to_next,
n_left_to_next, bi0, next0);
- if (~0 != icmp_bi)
- {
- next0 = IP6_SV_REASSEMBLY_NEXT_ICMP_ERROR;
- to_next[0] = icmp_bi;
- to_next += 1;
- n_left_to_next -= 1;
- vlib_validate_buffer_enqueue_x1 (vm, node, next_index, to_next,
- n_left_to_next, icmp_bi,
- next0);
- }
-
next_packet:
from += 1;
n_left_from -= 1;
@@ -997,8 +969,9 @@ VLIB_INIT_FUNCTION (ip6_sv_reass_init_function);
#endif /* CLIB_MARCH_VARIANT */
static uword
-ip6_sv_reass_walk_expired (vlib_main_t * vm,
- vlib_node_runtime_t * node, vlib_frame_t * f)
+ip6_sv_reass_walk_expired (vlib_main_t *vm,
+ CLIB_UNUSED (vlib_node_runtime_t *node),
+ CLIB_UNUSED (vlib_frame_t *f))
{
ip6_sv_reass_main_t *rm = &ip6_sv_reass_main;
uword event_type, *event_data = 0;
@@ -1012,10 +985,11 @@ ip6_sv_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);