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-rw-r--r--src/plugins/lb/node.c279
1 files changed, 257 insertions, 22 deletions
diff --git a/src/plugins/lb/node.c b/src/plugins/lb/node.c
index b5e9da71376..f823ea9ce3c 100644
--- a/src/plugins/lb/node.c
+++ b/src/plugins/lb/node.c
@@ -174,8 +174,8 @@ lb_node_get_other_ports6 (ip6_header_t *ip60)
}
static_always_inline void
-lb_node_get_hash (lb_main_t *lbm, vlib_buffer_t *p, u8 is_input_v4,
- u32 *hash, u32 *vip_idx, u8 per_port_vip)
+lb_node_get_hash (lb_main_t *lbm, vlib_buffer_t *p, u8 is_input_v4, u32 *hash,
+ u32 *vip_idx, u8 per_port_vip, u8 src_ip_sticky)
{
vip_port_key_t key;
clib_bihash_kv_8_8_t kv, value;
@@ -203,7 +203,15 @@ lb_node_get_hash (lb_main_t *lbm, vlib_buffer_t *p, u8 is_input_v4,
else
ports = lb_node_get_other_ports4 (ip40);
- *hash = lb_hash_hash (*((u64 *) &ip40->address_pair), ports, 0, 0, 0);
+ if (src_ip_sticky)
+ {
+ *hash = lb_hash_hash (*((u64 *) &ip40->address_pair), 0, 0, 0, 0);
+ }
+ else
+ {
+ *hash =
+ lb_hash_hash (*((u64 *) &ip40->address_pair), ports, 0, 0, 0);
+ }
if (per_port_vip)
{
@@ -225,10 +233,18 @@ lb_node_get_hash (lb_main_t *lbm, vlib_buffer_t *p, u8 is_input_v4,
else
ports = lb_node_get_other_ports6 (ip60);
- *hash = lb_hash_hash (ip60->src_address.as_u64[0],
- ip60->src_address.as_u64[1],
- ip60->dst_address.as_u64[0],
- ip60->dst_address.as_u64[1], ports);
+ if (src_ip_sticky)
+ {
+ *hash = lb_hash_hash (
+ ip60->src_address.as_u64[0], ip60->src_address.as_u64[1],
+ ip60->dst_address.as_u64[0], ip60->dst_address.as_u64[1], 0);
+ }
+ else
+ {
+ *hash = lb_hash_hash (
+ ip60->src_address.as_u64[0], ip60->src_address.as_u64[1],
+ ip60->dst_address.as_u64[0], ip60->dst_address.as_u64[1], ports);
+ }
if (per_port_vip)
{
@@ -251,13 +267,15 @@ lb_node_get_hash (lb_main_t *lbm, vlib_buffer_t *p, u8 is_input_v4,
}
}
+/* clang-format off */
static_always_inline uword
lb_node_fn (vlib_main_t * vm,
vlib_node_runtime_t * node,
vlib_frame_t * frame,
u8 is_input_v4, //Compile-time parameter stating that is input is v4 (or v6)
lb_encap_type_t encap_type, //Compile-time parameter is GRE4/GRE6/L3DSR/NAT4/NAT6
- u8 per_port_vip) //Compile-time parameter stating that is per_port_vip or not
+ u8 per_port_vip, //Compile-time parameter stating that is per_port_vip or not
+ u8 src_ip_sticky) //Compile-time parameter stating that is source ip based sticky or not
{
lb_main_t *lbm = &lb_main;
u32 n_left_from, *from, next_index, *to_next, n_left_to_next;
@@ -275,7 +293,7 @@ lb_node_fn (vlib_main_t * vm,
{
vlib_buffer_t *p0 = vlib_get_buffer (vm, from[0]);
lb_node_get_hash (lbm, p0, is_input_v4, &nexthash0,
- &next_vip_idx0, per_port_vip);
+ &next_vip_idx0, per_port_vip, src_ip_sticky);
}
while (n_left_from > 0)
@@ -300,7 +318,7 @@ lb_node_fn (vlib_main_t * vm,
//Compute next hash and prefetch bucket
lb_node_get_hash (lbm, p1, is_input_v4,
&nexthash0, &next_vip_idx0,
- per_port_vip);
+ per_port_vip, src_ip_sticky);
lb_hash_prefetch_bucket (sticky_ht, nexthash0);
//Prefetch for encap, next
CLIB_PREFETCH(vlib_buffer_get_current (p1) - 64, 64, STORE);
@@ -565,6 +583,7 @@ lb_node_fn (vlib_main_t * vm,
return frame->n_vectors;
}
+/* clang-format on */
u8 *
format_nodeport_lb_trace (u8 * s, va_list * args)
@@ -947,84 +966,168 @@ static uword
lb6_gre6_node_fn (vlib_main_t * vm, vlib_node_runtime_t * node,
vlib_frame_t * frame)
{
- return lb_node_fn (vm, node, frame, 0, LB_ENCAP_TYPE_GRE6, 0);
+ return lb_node_fn (vm, node, frame, 0, LB_ENCAP_TYPE_GRE6, 0, 0);
}
static uword
lb6_gre4_node_fn (vlib_main_t * vm, vlib_node_runtime_t * node,
vlib_frame_t * frame)
{
- return lb_node_fn (vm, node, frame, 0, LB_ENCAP_TYPE_GRE4, 0);
+ return lb_node_fn (vm, node, frame, 0, LB_ENCAP_TYPE_GRE4, 0, 0);
}
static uword
lb4_gre6_node_fn (vlib_main_t * vm, vlib_node_runtime_t * node,
vlib_frame_t * frame)
{
- return lb_node_fn (vm, node, frame, 1, LB_ENCAP_TYPE_GRE6, 0);
+ return lb_node_fn (vm, node, frame, 1, LB_ENCAP_TYPE_GRE6, 0, 0);
}
static uword
lb4_gre4_node_fn (vlib_main_t * vm, vlib_node_runtime_t * node,
vlib_frame_t * frame)
{
- return lb_node_fn (vm, node, frame, 1, LB_ENCAP_TYPE_GRE4, 0);
+ return lb_node_fn (vm, node, frame, 1, LB_ENCAP_TYPE_GRE4, 0, 0);
}
static uword
lb6_gre6_port_node_fn (vlib_main_t * vm, vlib_node_runtime_t * node,
vlib_frame_t * frame)
{
- return lb_node_fn (vm, node, frame, 0, LB_ENCAP_TYPE_GRE6, 1);
+ return lb_node_fn (vm, node, frame, 0, LB_ENCAP_TYPE_GRE6, 1, 0);
}
static uword
lb6_gre4_port_node_fn (vlib_main_t * vm, vlib_node_runtime_t * node,
vlib_frame_t * frame)
{
- return lb_node_fn (vm, node, frame, 0, LB_ENCAP_TYPE_GRE4, 1);
+ return lb_node_fn (vm, node, frame, 0, LB_ENCAP_TYPE_GRE4, 1, 0);
}
static uword
lb4_gre6_port_node_fn (vlib_main_t * vm, vlib_node_runtime_t * node,
vlib_frame_t * frame)
{
- return lb_node_fn (vm, node, frame, 1, LB_ENCAP_TYPE_GRE6, 1);
+ return lb_node_fn (vm, node, frame, 1, LB_ENCAP_TYPE_GRE6, 1, 0);
}
static uword
lb4_gre4_port_node_fn (vlib_main_t * vm, vlib_node_runtime_t * node,
vlib_frame_t * frame)
{
- return lb_node_fn (vm, node, frame, 1, LB_ENCAP_TYPE_GRE4, 1);
+ return lb_node_fn (vm, node, frame, 1, LB_ENCAP_TYPE_GRE4, 1, 0);
}
static uword
lb4_l3dsr_node_fn (vlib_main_t * vm, vlib_node_runtime_t * node,
vlib_frame_t * frame)
{
- return lb_node_fn (vm, node, frame, 1, LB_ENCAP_TYPE_L3DSR, 0);
+ return lb_node_fn (vm, node, frame, 1, LB_ENCAP_TYPE_L3DSR, 0, 0);
}
static uword
lb4_l3dsr_port_node_fn (vlib_main_t * vm, vlib_node_runtime_t * node,
vlib_frame_t * frame)
{
- return lb_node_fn (vm, node, frame, 1, LB_ENCAP_TYPE_L3DSR, 1);
+ return lb_node_fn (vm, node, frame, 1, LB_ENCAP_TYPE_L3DSR, 1, 0);
}
static uword
lb6_nat6_port_node_fn (vlib_main_t * vm, vlib_node_runtime_t * node,
vlib_frame_t * frame)
{
- return lb_node_fn (vm, node, frame, 0, LB_ENCAP_TYPE_NAT6, 1);
+ return lb_node_fn (vm, node, frame, 0, LB_ENCAP_TYPE_NAT6, 1, 0);
}
static uword
lb4_nat4_port_node_fn (vlib_main_t * vm, vlib_node_runtime_t * node,
vlib_frame_t * frame)
{
- return lb_node_fn (vm, node, frame, 1, LB_ENCAP_TYPE_NAT4, 1);
+ return lb_node_fn (vm, node, frame, 1, LB_ENCAP_TYPE_NAT4, 1, 0);
+}
+
+static uword
+lb6_gre6_sticky_node_fn (vlib_main_t *vm, vlib_node_runtime_t *node,
+ vlib_frame_t *frame)
+{
+ return lb_node_fn (vm, node, frame, 0, LB_ENCAP_TYPE_GRE6, 0, 1);
+}
+
+static uword
+lb6_gre4_sticky_node_fn (vlib_main_t *vm, vlib_node_runtime_t *node,
+ vlib_frame_t *frame)
+{
+ return lb_node_fn (vm, node, frame, 0, LB_ENCAP_TYPE_GRE4, 0, 1);
+}
+
+static uword
+lb4_gre6_sticky_node_fn (vlib_main_t *vm, vlib_node_runtime_t *node,
+ vlib_frame_t *frame)
+{
+ return lb_node_fn (vm, node, frame, 1, LB_ENCAP_TYPE_GRE6, 0, 1);
+}
+
+static uword
+lb4_gre4_sticky_node_fn (vlib_main_t *vm, vlib_node_runtime_t *node,
+ vlib_frame_t *frame)
+{
+ return lb_node_fn (vm, node, frame, 1, LB_ENCAP_TYPE_GRE4, 0, 1);
+}
+
+static uword
+lb6_gre6_port_sticky_node_fn (vlib_main_t *vm, vlib_node_runtime_t *node,
+ vlib_frame_t *frame)
+{
+ return lb_node_fn (vm, node, frame, 0, LB_ENCAP_TYPE_GRE6, 1, 1);
+}
+
+static uword
+lb6_gre4_port_sticky_node_fn (vlib_main_t *vm, vlib_node_runtime_t *node,
+ vlib_frame_t *frame)
+{
+ return lb_node_fn (vm, node, frame, 0, LB_ENCAP_TYPE_GRE4, 1, 1);
+}
+
+static uword
+lb4_gre6_port_sticky_node_fn (vlib_main_t *vm, vlib_node_runtime_t *node,
+ vlib_frame_t *frame)
+{
+ return lb_node_fn (vm, node, frame, 1, LB_ENCAP_TYPE_GRE6, 1, 1);
+}
+
+static uword
+lb4_gre4_port_sticky_node_fn (vlib_main_t *vm, vlib_node_runtime_t *node,
+ vlib_frame_t *frame)
+{
+ return lb_node_fn (vm, node, frame, 1, LB_ENCAP_TYPE_GRE4, 1, 1);
+}
+
+static uword
+lb4_l3dsr_sticky_node_fn (vlib_main_t *vm, vlib_node_runtime_t *node,
+ vlib_frame_t *frame)
+{
+ return lb_node_fn (vm, node, frame, 1, LB_ENCAP_TYPE_L3DSR, 0, 1);
+}
+
+static uword
+lb4_l3dsr_port_sticky_node_fn (vlib_main_t *vm, vlib_node_runtime_t *node,
+ vlib_frame_t *frame)
+{
+ return lb_node_fn (vm, node, frame, 1, LB_ENCAP_TYPE_L3DSR, 1, 1);
+}
+
+static uword
+lb6_nat6_port_sticky_node_fn (vlib_main_t *vm, vlib_node_runtime_t *node,
+ vlib_frame_t *frame)
+{
+ return lb_node_fn (vm, node, frame, 0, LB_ENCAP_TYPE_NAT6, 1, 1);
+}
+
+static uword
+lb4_nat4_port_sticky_node_fn (vlib_main_t *vm, vlib_node_runtime_t *node,
+ vlib_frame_t *frame)
+{
+ return lb_node_fn (vm, node, frame, 1, LB_ENCAP_TYPE_NAT4, 1, 1);
}
static uword
@@ -1197,6 +1300,138 @@ VLIB_REGISTER_NODE (lb4_nat4_port_node) =
{ [LB_NEXT_DROP] = "error-drop" },
};
+VLIB_REGISTER_NODE (lb6_gre6_sticky_node) = {
+ .function = lb6_gre6_sticky_node_fn,
+ .name = "lb6-gre6-sticky",
+ .vector_size = sizeof (u32),
+ .format_trace = format_lb_trace,
+ .n_errors = LB_N_ERROR,
+ .error_strings = lb_error_strings,
+ .n_next_nodes = LB_N_NEXT,
+ .next_nodes = { [LB_NEXT_DROP] = "error-drop" },
+};
+
+VLIB_REGISTER_NODE (lb6_gre4_sticky_node) = {
+ .function = lb6_gre4_sticky_node_fn,
+ .name = "lb6-gre4-sticky",
+ .vector_size = sizeof (u32),
+ .format_trace = format_lb_trace,
+ .n_errors = LB_N_ERROR,
+ .error_strings = lb_error_strings,
+ .n_next_nodes = LB_N_NEXT,
+ .next_nodes = { [LB_NEXT_DROP] = "error-drop" },
+};
+
+VLIB_REGISTER_NODE (lb4_gre6_sticky_node) = {
+ .function = lb4_gre6_sticky_node_fn,
+ .name = "lb4-gre6-sticky",
+ .vector_size = sizeof (u32),
+ .format_trace = format_lb_trace,
+ .n_errors = LB_N_ERROR,
+ .error_strings = lb_error_strings,
+ .n_next_nodes = LB_N_NEXT,
+ .next_nodes = { [LB_NEXT_DROP] = "error-drop" },
+};
+
+VLIB_REGISTER_NODE (lb4_gre4_sticky_node) = {
+ .function = lb4_gre4_sticky_node_fn,
+ .name = "lb4-gre4-sticky",
+ .vector_size = sizeof (u32),
+ .format_trace = format_lb_trace,
+ .n_errors = LB_N_ERROR,
+ .error_strings = lb_error_strings,
+ .n_next_nodes = LB_N_NEXT,
+ .next_nodes = { [LB_NEXT_DROP] = "error-drop" },
+};
+
+VLIB_REGISTER_NODE (lb6_gre6_port_sticky_node) = {
+ .function = lb6_gre6_port_sticky_node_fn,
+ .name = "lb6-gre6-port-sticky",
+ .vector_size = sizeof (u32),
+ .format_trace = format_lb_trace,
+ .n_errors = LB_N_ERROR,
+ .error_strings = lb_error_strings,
+ .n_next_nodes = LB_N_NEXT,
+ .next_nodes = { [LB_NEXT_DROP] = "error-drop" },
+};
+
+VLIB_REGISTER_NODE (lb6_gre4_port_sticky_node) = {
+ .function = lb6_gre4_port_sticky_node_fn,
+ .name = "lb6-gre4-port-sticky",
+ .vector_size = sizeof (u32),
+ .format_trace = format_lb_trace,
+ .n_errors = LB_N_ERROR,
+ .error_strings = lb_error_strings,
+ .n_next_nodes = LB_N_NEXT,
+ .next_nodes = { [LB_NEXT_DROP] = "error-drop" },
+};
+
+VLIB_REGISTER_NODE (lb4_gre6_port_sticky_node) = {
+ .function = lb4_gre6_port_sticky_node_fn,
+ .name = "lb4-gre6-port-sticky",
+ .vector_size = sizeof (u32),
+ .format_trace = format_lb_trace,
+ .n_errors = LB_N_ERROR,
+ .error_strings = lb_error_strings,
+ .n_next_nodes = LB_N_NEXT,
+ .next_nodes = { [LB_NEXT_DROP] = "error-drop" },
+};
+
+VLIB_REGISTER_NODE (lb4_gre4_port_sticky_node) = {
+ .function = lb4_gre4_port_sticky_node_fn,
+ .name = "lb4-gre4-port-sticky",
+ .vector_size = sizeof (u32),
+ .format_trace = format_lb_trace,
+ .n_errors = LB_N_ERROR,
+ .error_strings = lb_error_strings,
+ .n_next_nodes = LB_N_NEXT,
+ .next_nodes = { [LB_NEXT_DROP] = "error-drop" },
+};
+
+VLIB_REGISTER_NODE (lb4_l3dsr_port_sticky_node) = {
+ .function = lb4_l3dsr_port_sticky_node_fn,
+ .name = "lb4-l3dsr-port-sticky",
+ .vector_size = sizeof (u32),
+ .format_trace = format_lb_trace,
+ .n_errors = LB_N_ERROR,
+ .error_strings = lb_error_strings,
+ .n_next_nodes = LB_N_NEXT,
+ .next_nodes = { [LB_NEXT_DROP] = "error-drop" },
+};
+
+VLIB_REGISTER_NODE (lb4_l3dsr_sticky_node) = {
+ .function = lb4_l3dsr_sticky_node_fn,
+ .name = "lb4-l3dsr-sticky",
+ .vector_size = sizeof (u32),
+ .format_trace = format_lb_trace,
+ .n_errors = LB_N_ERROR,
+ .error_strings = lb_error_strings,
+ .n_next_nodes = LB_N_NEXT,
+ .next_nodes = { [LB_NEXT_DROP] = "error-drop" },
+};
+
+VLIB_REGISTER_NODE (lb6_nat6_port_sticky_node) = {
+ .function = lb6_nat6_port_sticky_node_fn,
+ .name = "lb6-nat6-port-sticky",
+ .vector_size = sizeof (u32),
+ .format_trace = format_lb_trace,
+ .n_errors = LB_N_ERROR,
+ .error_strings = lb_error_strings,
+ .n_next_nodes = LB_N_NEXT,
+ .next_nodes = { [LB_NEXT_DROP] = "error-drop" },
+};
+
+VLIB_REGISTER_NODE (lb4_nat4_port_sticky_node) = {
+ .function = lb4_nat4_port_sticky_node_fn,
+ .name = "lb4-nat4-port-sticky",
+ .vector_size = sizeof (u32),
+ .format_trace = format_lb_trace,
+ .n_errors = LB_N_ERROR,
+ .error_strings = lb_error_strings,
+ .n_next_nodes = LB_N_NEXT,
+ .next_nodes = { [LB_NEXT_DROP] = "error-drop" },
+};
+
static uword
lb4_nodeport_node_fn (vlib_main_t * vm, vlib_node_runtime_t * node,
vlib_frame_t * frame)