From 5581de6d6d69388f899692f2dc201ff76a06af3d Mon Sep 17 00:00:00 2001 From: Klement Sekera Date: Fri, 24 Apr 2020 12:24:41 +0000 Subject: nat: make usage of vnet_buffer2 transparent Type: fix Signed-off-by: Klement Sekera Change-Id: I50df248afb3f6b46c49e6695b3f124cfd584f016 --- src/plugins/nat/in2out_ed.c | 10 +++++----- src/plugins/nat/nat.h | 8 -------- src/plugins/nat/nat44_classify.c | 2 +- src/plugins/nat/nat_inlines.h | 6 +++--- src/plugins/nat/out2in_ed.c | 8 ++++---- src/vnet/buffer.h | 6 ++++++ 6 files changed, 19 insertions(+), 21 deletions(-) (limited to 'src') diff --git a/src/plugins/nat/in2out_ed.c b/src/plugins/nat/in2out_ed.c index 295958927cd..ca1d0cd56ca 100644 --- a/src/plugins/nat/in2out_ed.c +++ b/src/plugins/nat/in2out_ed.c @@ -1027,11 +1027,11 @@ nat44_ed_in2out_fast_path_node_fn_inline (vlib_main_t * vm, if (is_output_feature) { - vnet_feature_next (&nat_buffer_opaque (b0)->arc_next, b0); + vnet_feature_next (&vnet_buffer2 (b0)->nat.arc_next, b0); iph_offset0 = vnet_buffer (b0)->ip.reass.save_rewrite_length; } - next0 = nat_buffer_opaque (b0)->arc_next; + next0 = vnet_buffer2 (b0)->nat.arc_next; ip0 = (ip4_header_t *) ((u8 *) vlib_buffer_get_current (b0) + iph_offset0); @@ -1232,7 +1232,7 @@ nat44_ed_in2out_fast_path_node_fn_inline (vlib_main_t * vm, t->session_index = ~0; } - pkts_processed += next0 == nat_buffer_opaque (b0)->arc_next; + pkts_processed += next0 == vnet_buffer2 (b0)->nat.arc_next; /* verify speculative enqueue, maybe switch current next frame */ vlib_validate_buffer_enqueue_x1 (vm, node, next_index, to_next, n_left_to_next, @@ -1312,7 +1312,7 @@ nat44_ed_in2out_slow_path_node_fn_inline (vlib_main_t * vm, if (is_output_feature) iph_offset0 = vnet_buffer (b0)->ip.reass.save_rewrite_length; - next0 = nat_buffer_opaque (b0)->arc_next; + next0 = vnet_buffer2 (b0)->nat.arc_next; ip0 = (ip4_header_t *) ((u8 *) vlib_buffer_get_current (b0) + iph_offset0); @@ -1536,7 +1536,7 @@ nat44_ed_in2out_slow_path_node_fn_inline (vlib_main_t * vm, t->session_index = ~0; } - pkts_processed += next0 == nat_buffer_opaque (b0)->arc_next; + pkts_processed += next0 == vnet_buffer2 (b0)->nat.arc_next; /* verify speculative enqueue, maybe switch current next frame */ vlib_validate_buffer_enqueue_x1 (vm, node, next_index, diff --git a/src/plugins/nat/nat.h b/src/plugins/nat/nat.h index 4b9f24308f5..0fc174d2a91 100644 --- a/src/plugins/nat/nat.h +++ b/src/plugins/nat/nat.h @@ -45,11 +45,6 @@ /* NAT buffer flags */ #define SNAT_FLAG_HAIRPINNING (1 << 0) -typedef struct -{ - u32 arc_next; -} nat_buffer_opaque_t; - typedef enum { NAT_NEXT_DROP, @@ -69,9 +64,6 @@ typedef struct u32 next_index; } nat_pre_trace_t; -#define nat_buffer_opaque(b) \ - ((nat_buffer_opaque_t *)((vnet_buffer_opaque2_t *)b->opaque2)->__unused2) - /* STATIC_ASSERT (sizeof (nat_buffer_opaque_t) <= STRUCT_SIZE_OF (vnet_buffer_opaque_t, unused), diff --git a/src/plugins/nat/nat44_classify.c b/src/plugins/nat/nat44_classify.c index f1c80aab98b..2afc479aa5b 100644 --- a/src/plugins/nat/nat44_classify.c +++ b/src/plugins/nat/nat44_classify.c @@ -248,7 +248,7 @@ nat44_ed_classify_node_fn_inline (vlib_main_t * vm, u32 arc_next = 0; vnet_feature_next (&arc_next, b0); - nat_buffer_opaque (b0)->arc_next = arc_next; + vnet_buffer2 (b0)->nat.arc_next = arc_next; } if (ip0->protocol != IP_PROTOCOL_ICMP) diff --git a/src/plugins/nat/nat_inlines.h b/src/plugins/nat/nat_inlines.h index e5f2d96b33f..01b43591ccd 100644 --- a/src/plugins/nat/nat_inlines.h +++ b/src/plugins/nat/nat_inlines.h @@ -79,8 +79,8 @@ nat_pre_node_fn_inline (vlib_main_t * vm, vnet_feature_next (&arc_next0, b0); vnet_feature_next (&arc_next1, b1); - nat_buffer_opaque (b0)->arc_next = arc_next0; - nat_buffer_opaque (b1)->arc_next = arc_next1; + vnet_buffer2 (b0)->nat.arc_next = arc_next0; + vnet_buffer2 (b1)->nat.arc_next = arc_next1; if (PREDICT_FALSE ((node->flags & VLIB_NODE_FLAG_TRACE))) { @@ -122,7 +122,7 @@ nat_pre_node_fn_inline (vlib_main_t * vm, b0 = vlib_get_buffer (vm, bi0); next0 = def_next; vnet_feature_next (&arc_next0, b0); - nat_buffer_opaque (b0)->arc_next = arc_next0; + vnet_buffer2 (b0)->nat.arc_next = arc_next0; if (PREDICT_FALSE ((node->flags & VLIB_NODE_FLAG_TRACE) && (b0->flags & VLIB_BUFFER_IS_TRACED))) diff --git a/src/plugins/nat/out2in_ed.c b/src/plugins/nat/out2in_ed.c index e4f01303b4d..e5adef45fc8 100644 --- a/src/plugins/nat/out2in_ed.c +++ b/src/plugins/nat/out2in_ed.c @@ -719,7 +719,7 @@ nat44_ed_out2in_fast_path_node_fn_inline (vlib_main_t * vm, n_left_to_next -= 1; b0 = vlib_get_buffer (vm, bi0); - next0 = nat_buffer_opaque (b0)->arc_next; + next0 = vnet_buffer2 (b0)->nat.arc_next; vnet_buffer (b0)->snat.flags = 0; ip0 = vlib_buffer_get_current (b0); @@ -910,7 +910,7 @@ nat44_ed_out2in_fast_path_node_fn_inline (vlib_main_t * vm, t->session_index = ~0; } - pkts_processed += next0 == nat_buffer_opaque (b0)->arc_next; + pkts_processed += next0 == vnet_buffer2 (b0)->nat.arc_next; /* verify speculative enqueue, maybe switch current next frame */ vlib_validate_buffer_enqueue_x1 (vm, node, next_index, to_next, n_left_to_next, @@ -992,7 +992,7 @@ nat44_ed_out2in_slow_path_node_fn_inline (vlib_main_t * vm, n_left_to_next -= 1; b0 = vlib_get_buffer (vm, bi0); - next0 = nat_buffer_opaque (b0)->arc_next; + next0 = vnet_buffer2 (b0)->nat.arc_next; vnet_buffer (b0)->snat.flags = 0; ip0 = vlib_buffer_get_current (b0); @@ -1251,7 +1251,7 @@ nat44_ed_out2in_slow_path_node_fn_inline (vlib_main_t * vm, t->session_index = ~0; } - pkts_processed += next0 == nat_buffer_opaque (b0)->arc_next; + pkts_processed += next0 == vnet_buffer2 (b0)->nat.arc_next; /* verify speculative enqueue, maybe switch current next frame */ vlib_validate_buffer_enqueue_x1 (vm, node, next_index, to_next, n_left_to_next, diff --git a/src/vnet/buffer.h b/src/vnet/buffer.h index 52935612277..bdb58925bae 100644 --- a/src/vnet/buffer.h +++ b/src/vnet/buffer.h @@ -455,6 +455,12 @@ typedef struct /* The union below has a u64 alignment, so this space is unused */ u32 __unused2[1]; + struct + { + u32 arc_next; + u32 unused; + } nat; + union { struct -- cgit 1.2.3-korg