typedef struct {
u32 tunnel_id;
u32 length;
- ip4_address_t src;
- ip4_address_t dst;
+ ip46_address_t src;
+ ip46_address_t dst;
+ u8 is_ipv6;
} gre_rx_trace_t;
u8 * format_gre_rx_trace (u8 * s, 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 *);
gre_rx_trace_t * t = va_arg (*args, gre_rx_trace_t *);
-
+
s = format (s, "GRE: tunnel %d len %d src %U dst %U",
t->tunnel_id, clib_net_to_host_u16(t->length),
- format_ip4_address, &t->src.as_u8,
- format_ip4_address, &t->dst.as_u8);
+ format_ip46_address, &t->src, IP46_TYPE_ANY,
+ format_ip46_address, &t->dst, IP46_TYPE_ANY);
return s;
}
u16 * next_by_protocol;
} gre_input_runtime_t;
-static uword
+always_inline uword
gre_input (vlib_main_t * vm,
vlib_node_runtime_t * node,
- vlib_frame_t * from_frame)
+ vlib_frame_t * from_frame,
+ u8 is_ipv6)
{
gre_main_t * gm = &gre_main;
- gre_input_runtime_t * rt = (void *) node->runtime_data;
__attribute__((unused)) u32 n_left_from, next_index, * from, * to_next;
- u64 cached_tunnel_key = (u64) ~0;
+ u64 cached_tunnel_key4;
+ u64 cached_tunnel_key6[4];
u32 cached_tunnel_sw_if_index = 0, tunnel_sw_if_index = 0;
- u32 cpu_index = os_get_cpu_number();
+ u32 thread_index = vlib_get_thread_index();
u32 len;
vnet_interface_main_t *im = &gm->vnet_main->interface_main;
+ if (!is_ipv6)
+ memset (&cached_tunnel_key4, 0xff, sizeof(cached_tunnel_key4));
+ else
+ memset (&cached_tunnel_key6, 0xff, sizeof(cached_tunnel_key6));
+
from = vlib_frame_vector_args (from_frame);
n_left_from = from_frame->n_vectors;
u16 version0, version1;
int verr0, verr1;
u32 i0, i1, next0, next1, protocol0, protocol1;
- ip4_header_t *ip0, *ip1;
+ ip4_header_t *ip4_0, *ip4_1;
+ ip6_header_t *ip6_0, *ip6_1;
+ u32 ip4_tun_src0, ip4_tun_dst0;
+ u32 ip4_tun_src1, ip4_tun_dst1;
+ u64 ip6_tun_src0[2], ip6_tun_dst0[2];
+ u64 ip6_tun_src1[2], ip6_tun_dst1[2];
/* Prefetch next iteration. */
{
b0 = vlib_get_buffer (vm, bi0);
b1 = vlib_get_buffer (vm, bi1);
- /* ip4_local hands us the ip header, not the gre header */
- ip0 = vlib_buffer_get_current (b0);
- ip1 = vlib_buffer_get_current (b1);
-
- /* Save src + dst ip4 address, e.g. for mpls-o-gre */
- vnet_buffer(b0)->gre.src = ip0->src_address.as_u32;
- vnet_buffer(b0)->gre.dst = ip0->dst_address.as_u32;
- vnet_buffer(b1)->gre.src = ip1->src_address.as_u32;
- vnet_buffer(b1)->gre.dst = ip1->dst_address.as_u32;
-
- vlib_buffer_advance (b0, sizeof (*ip0));
- vlib_buffer_advance (b1, sizeof (*ip1));
+ if (!is_ipv6)
+ {
+ /* ip4_local hands us the ip header, not the gre header */
+ ip4_0 = vlib_buffer_get_current (b0);
+ ip4_1 = vlib_buffer_get_current (b1);
+ /* Save src + dst ip4 address, e.g. for mpls-o-gre */
+ ip4_tun_src0 = ip4_0->src_address.as_u32;
+ ip4_tun_dst0 = ip4_0->dst_address.as_u32;
+ ip4_tun_src1 = ip4_1->src_address.as_u32;
+ ip4_tun_dst1 = ip4_1->dst_address.as_u32;
+
+ vlib_buffer_advance (b0, sizeof (*ip4_0));
+ vlib_buffer_advance (b1, sizeof (*ip4_1));
+ }
+ else
+ {
+ /* ip6_local hands us the ip header, not the gre header */
+ ip6_0 = vlib_buffer_get_current (b0);
+ ip6_1 = vlib_buffer_get_current (b1);
+ /* Save src + dst ip6 address, e.g. for mpls-o-gre */
+ ip6_tun_src0[0] = ip6_0->src_address.as_u64[0];
+ ip6_tun_src0[1] = ip6_0->src_address.as_u64[1];
+ ip6_tun_dst0[0] = ip6_0->dst_address.as_u64[0];
+ ip6_tun_dst0[1] = ip6_0->dst_address.as_u64[1];
+ ip6_tun_src1[0] = ip6_1->src_address.as_u64[0];
+ ip6_tun_src1[1] = ip6_1->src_address.as_u64[1];
+ ip6_tun_dst1[0] = ip6_1->dst_address.as_u64[0];
+ ip6_tun_dst1[1] = ip6_1->dst_address.as_u64[1];
+
+ vlib_buffer_advance (b0, sizeof (*ip6_0));
+ vlib_buffer_advance (b1, sizeof (*ip6_1));
+ }
h0 = vlib_buffer_get_current (b0);
h1 = vlib_buffer_get_current (b1);
/* Index sparse array with network byte order. */
protocol0 = h0->protocol;
protocol1 = h1->protocol;
- sparse_vec_index2 (rt->next_by_protocol, protocol0, protocol1,
+ sparse_vec_index2 (gm->next_by_protocol, protocol0, protocol1,
&i0, &i1);
- next0 = vec_elt(rt->next_by_protocol, i0);
- next1 = vec_elt(rt->next_by_protocol, i1);
+ next0 = vec_elt(gm->next_by_protocol, i0);
+ next1 = vec_elt(gm->next_by_protocol, i1);
b0->error = node->errors[i0 == SPARSE_VEC_INVALID_INDEX ? GRE_ERROR_UNKNOWN_PROTOCOL : GRE_ERROR_NONE];
b1->error = node->errors[i1 == SPARSE_VEC_INVALID_INDEX ? GRE_ERROR_UNKNOWN_PROTOCOL : GRE_ERROR_NONE];
|| next0 == GRE_INPUT_NEXT_ETHERNET_INPUT
|| next0 == GRE_INPUT_NEXT_MPLS_INPUT))
{
- u64 key = ((u64)(vnet_buffer(b0)->gre.dst) << 32) |
- (u64)(vnet_buffer(b0)->gre.src);
- if (cached_tunnel_key != key)
+ u64 key4, key6[4];
+ if (!is_ipv6)
+ {
+ key4 = ((u64)(ip4_tun_dst0) << 32) | (u64)(ip4_tun_src0);
+ }
+ else
+ {
+ key6[0] = ip6_tun_dst0[0];
+ key6[1] = ip6_tun_dst0[1];
+ key6[2] = ip6_tun_src0[0];
+ key6[3] = ip6_tun_src0[1];
+ }
+
+ if ((!is_ipv6 && cached_tunnel_key4 != key4) ||
+ (is_ipv6 && cached_tunnel_key6[0] != key6[0] &&
+ cached_tunnel_key6[1] != key6[1] &&
+ cached_tunnel_key6[2] != key6[2] &&
+ cached_tunnel_key6[3] != key6[3]))
{
vnet_hw_interface_t * hi;
gre_tunnel_t * t;
uword * p;
- p = hash_get (gm->tunnel_by_key, key);
+ if (!is_ipv6)
+ p = hash_get (gm->tunnel_by_key4, key4);
+ else
+ p = hash_get_mem (gm->tunnel_by_key6, key6);
if (!p)
{
next0 = GRE_INPUT_NEXT_DROP;
len = vlib_buffer_length_in_chain (vm, b0);
vlib_increment_combined_counter (im->combined_sw_if_counters
+ VNET_INTERFACE_COUNTER_RX,
- cpu_index,
+ thread_index,
tunnel_sw_if_index,
1 /* packets */,
len /* bytes */);
|| next1 == GRE_INPUT_NEXT_ETHERNET_INPUT
|| next1 == GRE_INPUT_NEXT_MPLS_INPUT))
{
- u64 key = ((u64)(vnet_buffer(b1)->gre.dst) << 32) |
- (u64)(vnet_buffer(b1)->gre.src);
-
- if (cached_tunnel_key != key)
+ u64 key4, key6[4];
+ if (!is_ipv6)
+ {
+ key4 = ((u64)(ip4_tun_dst1) << 32) | (u64)(ip4_tun_src1);
+ }
+ else
+ {
+ key6[0] = ip6_tun_dst1[0];
+ key6[1] = ip6_tun_dst1[1];
+ key6[2] = ip6_tun_src1[0];
+ key6[3] = ip6_tun_src1[1];
+ }
+
+ if ((!is_ipv6 && cached_tunnel_key4 != key4) ||
+ (is_ipv6 && cached_tunnel_key6[0] != key6[0] &&
+ cached_tunnel_key6[1] != key6[1] &&
+ cached_tunnel_key6[2] != key6[2] &&
+ cached_tunnel_key6[3] != key6[3]))
{
vnet_hw_interface_t * hi;
gre_tunnel_t * t;
uword * p;
- p = hash_get (gm->tunnel_by_key, key);
+ if (!is_ipv6)
+ p = hash_get (gm->tunnel_by_key4, key4);
+ else
+ p = hash_get_mem (gm->tunnel_by_key6, key6);
+
if (!p)
{
next1 = GRE_INPUT_NEXT_DROP;
len = vlib_buffer_length_in_chain (vm, b1);
vlib_increment_combined_counter (im->combined_sw_if_counters
+ VNET_INTERFACE_COUNTER_RX,
- cpu_index,
+ thread_index,
tunnel_sw_if_index,
1 /* packets */,
len /* bytes */);
gre_rx_trace_t *tr = vlib_add_trace (vm, node,
b0, sizeof (*tr));
tr->tunnel_id = tunnel_sw_if_index;
- tr->length = ip0->length;
- tr->src.as_u32 = ip0->src_address.as_u32;
- tr->dst.as_u32 = ip0->dst_address.as_u32;
+ if (!is_ipv6)
+ {
+ tr->length = ip4_0->length;
+ tr->src.ip4.as_u32 = ip4_0->src_address.as_u32;
+ tr->dst.ip4.as_u32 = ip4_0->dst_address.as_u32;
+ }
+ else
+ {
+ tr->length = ip6_0->payload_length;
+ tr->src.ip6.as_u64[0] = ip6_0->src_address.as_u64[0];
+ tr->src.ip6.as_u64[1] = ip6_0->src_address.as_u64[1];
+ tr->dst.ip6.as_u64[0] = ip6_0->dst_address.as_u64[0];
+ tr->dst.ip6.as_u64[1] = ip6_0->dst_address.as_u64[1];
+ }
}
if (PREDICT_FALSE(b1->flags & VLIB_BUFFER_IS_TRACED))
gre_rx_trace_t *tr = vlib_add_trace (vm, node,
b1, sizeof (*tr));
tr->tunnel_id = tunnel_sw_if_index;
- tr->length = ip1->length;
- tr->src.as_u32 = ip1->src_address.as_u32;
- tr->dst.as_u32 = ip1->dst_address.as_u32;
+ if (!is_ipv6)
+ {
+ tr->length = ip4_1->length;
+ tr->src.ip4.as_u32 = ip4_1->src_address.as_u32;
+ tr->dst.ip4.as_u32 = ip4_1->dst_address.as_u32;
+ }
+ else
+ {
+ tr->length = ip6_1->payload_length;
+ tr->src.ip6.as_u64[0] = ip6_1->src_address.as_u64[0];
+ tr->src.ip6.as_u64[1] = ip6_1->src_address.as_u64[1];
+ tr->dst.ip6.as_u64[0] = ip6_1->dst_address.as_u64[0];
+ tr->dst.ip6.as_u64[1] = ip6_1->dst_address.as_u64[1];
+ }
}
vlib_buffer_advance (b0, sizeof (*h0));
to_next, n_left_to_next,
bi0, bi1, next0, next1);
}
-
+
while (n_left_from > 0 && n_left_to_next > 0)
{
u32 bi0;
vlib_buffer_t * b0;
gre_header_t * h0;
- ip4_header_t * ip0;
+ ip4_header_t * ip4_0;
+ ip6_header_t * ip6_0;
u16 version0;
int verr0;
u32 i0, next0;
+ u32 ip4_tun_src0, ip4_tun_dst0;
+ u32 ip6_tun_src0[4], ip6_tun_dst0[4];
bi0 = from[0];
to_next[0] = bi0;
n_left_to_next -= 1;
b0 = vlib_get_buffer (vm, bi0);
- ip0 = vlib_buffer_get_current (b0);
+ ip4_0 = vlib_buffer_get_current (b0);
+ ip6_0 = (void *)ip4_0;
- vnet_buffer(b0)->gre.src = ip0->src_address.as_u32;
- vnet_buffer(b0)->gre.dst = ip0->dst_address.as_u32;
+ if (!is_ipv6)
+ {
+ ip4_tun_src0 = ip4_0->src_address.as_u32;
+ ip4_tun_dst0 = ip4_0->dst_address.as_u32;
+
+ vlib_buffer_advance (b0, sizeof (*ip4_0));
+ }
+ else
+ {
+ ip6_tun_src0[0] = ip6_0->src_address.as_u64[0];
+ ip6_tun_src0[1] = ip6_0->src_address.as_u64[1];
+ ip6_tun_dst0[0] = ip6_0->dst_address.as_u64[0];
+ ip6_tun_dst0[1] = ip6_0->dst_address.as_u64[1];
- vlib_buffer_advance (b0, sizeof (*ip0));
+ vlib_buffer_advance (b0, sizeof (*ip6_0));
+ }
h0 = vlib_buffer_get_current (b0);
- i0 = sparse_vec_index (rt->next_by_protocol, h0->protocol);
- next0 = vec_elt(rt->next_by_protocol, i0);
+ i0 = sparse_vec_index (gm->next_by_protocol, h0->protocol);
+ next0 = vec_elt(gm->next_by_protocol, i0);
- b0->error =
+ b0->error =
node->errors[i0 == SPARSE_VEC_INVALID_INDEX
? GRE_ERROR_UNKNOWN_PROTOCOL : GRE_ERROR_NONE];
-
+
version0 = clib_net_to_host_u16 (h0->flags_and_version);
verr0 = version0 & GRE_VERSION_MASK;
b0->error = verr0 ? node->errors[GRE_ERROR_UNSUPPORTED_VERSION]
|| next0 == GRE_INPUT_NEXT_ETHERNET_INPUT
|| next0 == GRE_INPUT_NEXT_MPLS_INPUT))
{
- u64 key = ((u64)(vnet_buffer(b0)->gre.dst) << 32) |
- (u64)(vnet_buffer(b0)->gre.src);
-
- if (cached_tunnel_key != key)
+ u64 key4, key6[4];
+ if (!is_ipv6)
+ {
+ key4 = ((u64)(ip4_tun_dst0) << 32) | (u64)(ip4_tun_src0);
+ }
+ else
{
+ key6[0] = ip6_tun_dst0[0];
+ key6[1] = ip6_tun_dst0[1];
+ key6[2] = ip6_tun_src0[0];
+ key6[3] = ip6_tun_src0[1];
+ }
+
+ if ((!is_ipv6 && cached_tunnel_key4 != key4) ||
+ (is_ipv6 && cached_tunnel_key6[0] != key6[0] &&
+ cached_tunnel_key6[1] != key6[1] &&
+ cached_tunnel_key6[2] != key6[2] &&
+ cached_tunnel_key6[3] != key6[3]))
+ {
vnet_hw_interface_t * hi;
gre_tunnel_t * t;
uword * p;
- p = hash_get (gm->tunnel_by_key, key);
+ if (!is_ipv6)
+ p = hash_get (gm->tunnel_by_key4, key4);
+ else
+ p = hash_get_mem (gm->tunnel_by_key6, key6);
+
if (!p)
{
next0 = GRE_INPUT_NEXT_DROP;
len = vlib_buffer_length_in_chain (vm, b0);
vlib_increment_combined_counter (im->combined_sw_if_counters
+ VNET_INTERFACE_COUNTER_RX,
- cpu_index,
+ thread_index,
tunnel_sw_if_index,
1 /* packets */,
len /* bytes */);
vnet_buffer(b0)->sw_if_index[VLIB_RX] = tunnel_sw_if_index;
drop:
- if (PREDICT_FALSE(b0->flags & VLIB_BUFFER_IS_TRACED))
+ if (PREDICT_FALSE(b0->flags & VLIB_BUFFER_IS_TRACED))
{
- gre_rx_trace_t *tr = vlib_add_trace (vm, node,
+ gre_rx_trace_t *tr = vlib_add_trace (vm, node,
b0, sizeof (*tr));
tr->tunnel_id = tunnel_sw_if_index;
- tr->length = ip0->length;
- tr->src.as_u32 = ip0->src_address.as_u32;
- tr->dst.as_u32 = ip0->dst_address.as_u32;
+ if (!is_ipv6)
+ {
+ tr->length = ip4_0->length;
+ tr->src.ip4.as_u32 = ip4_0->src_address.as_u32;
+ tr->dst.ip4.as_u32 = ip4_0->dst_address.as_u32;
+ }
+ else
+ {
+ tr->length = ip6_0->payload_length;
+ tr->src.ip6.as_u64[0] = ip6_0->src_address.as_u64[0];
+ tr->src.ip6.as_u64[1] = ip6_0->src_address.as_u64[1];
+ tr->dst.ip6.as_u64[0] = ip6_0->dst_address.as_u64[0];
+ tr->dst.ip6.as_u64[1] = ip6_0->dst_address.as_u64[1];
+ }
}
vlib_buffer_advance (b0, sizeof (*h0));
vlib_put_next_frame (vm, node, next_index, n_left_to_next);
}
- vlib_node_increment_counter (vm, gre_input_node.index,
+ vlib_node_increment_counter (vm, !is_ipv6 ? gre4_input_node.index : gre6_input_node.index,
GRE_ERROR_PKTS_DECAP, from_frame->n_vectors);
return from_frame->n_vectors;
}
+static uword
+gre4_input (vlib_main_t * vm,
+ vlib_node_runtime_t * node,
+ vlib_frame_t * from_frame)
+{
+ return gre_input(vm, node, from_frame, /* is_ip6 */ 0);
+}
+
+static uword
+gre6_input (vlib_main_t * vm,
+ vlib_node_runtime_t * node,
+ vlib_frame_t * from_frame)
+{
+ return gre_input(vm, node, from_frame, /* is_ip6 */ 1);
+}
+
static char * gre_error_strings[] = {
#define gre_error(n,s) s,
#include "error.def"
#undef gre_error
};
-VLIB_REGISTER_NODE (gre_input_node) = {
- .function = gre_input,
- .name = "gre-input",
+VLIB_REGISTER_NODE (gre4_input_node) = {
+ .function = gre4_input,
+ .name = "gre4-input",
+ /* Takes a vector of packets. */
+ .vector_size = sizeof (u32),
+
+ .n_errors = GRE_N_ERROR,
+ .error_strings = gre_error_strings,
+
+ .n_next_nodes = GRE_INPUT_N_NEXT,
+ .next_nodes = {
+#define _(s,n) [GRE_INPUT_NEXT_##s] = n,
+ foreach_gre_input_next
+#undef _
+ },
+
+ .format_buffer = format_gre_header_with_length,
+ .format_trace = format_gre_rx_trace,
+ .unformat_buffer = unformat_gre_header,
+};
+
+VLIB_REGISTER_NODE (gre6_input_node) = {
+ .function = gre6_input,
+ .name = "gre6-input",
/* Takes a vector of packets. */
.vector_size = sizeof (u32),
.unformat_buffer = unformat_gre_header,
};
-VLIB_NODE_FUNCTION_MULTIARCH (gre_input_node, gre_input)
+VLIB_NODE_FUNCTION_MULTIARCH (gre4_input_node, gre4_input)
+VLIB_NODE_FUNCTION_MULTIARCH (gre6_input_node, gre6_input)
void
gre_register_input_protocol (vlib_main_t * vm,
gre_main_t * em = &gre_main;
gre_protocol_info_t * pi;
u16 * n;
+ u32 i;
{
clib_error_t * error = vlib_call_init_function (vm, gre_input_init);
pi = gre_get_protocol_info (em, protocol);
pi->node_index = node_index;
- pi->next_index = vlib_node_add_next (vm,
- gre_input_node.index,
- node_index);
+ pi->next_index = vlib_node_add_next (vm, gre4_input_node.index, node_index);
+ i = vlib_node_add_next (vm, gre6_input_node.index, node_index);
+ ASSERT(i == pi->next_index);
/* Setup gre protocol -> next index sparse vector mapping. */
- foreach_vlib_main ({
- gre_input_runtime_t * rt;
- rt = vlib_node_get_runtime_data (this_vlib_main, gre_input_node.index);
- n = sparse_vec_validate (rt->next_by_protocol,
- clib_host_to_net_u16 (protocol));
- n[0] = pi->next_index;
- });
+ n = sparse_vec_validate (em->next_by_protocol,
+ clib_host_to_net_u16 (protocol));
+ n[0] = pi->next_index;
}
static void
static clib_error_t * gre_input_init (vlib_main_t * vm)
{
- gre_input_runtime_t * rt;
+ gre_main_t * gm = &gre_main;
vlib_node_t *ethernet_input, *ip4_input, *ip6_input, *mpls_unicast_input;
{
- clib_error_t * error;
+ clib_error_t * error;
error = vlib_call_init_function (vm, gre_init);
if (error)
clib_error_report (error);
}
- gre_setup_node (vm, gre_input_node.index);
-
- rt = vlib_node_get_runtime_data (vm, gre_input_node.index);
+ gre_setup_node (vm, gre4_input_node.index);
+ gre_setup_node (vm, gre6_input_node.index);
- rt->next_by_protocol = sparse_vec_new
- (/* elt bytes */ sizeof (rt->next_by_protocol[0]),
+ gm->next_by_protocol = sparse_vec_new
+ (/* elt bytes */ sizeof (gm->next_by_protocol[0]),
/* bits in index */ BITS (((gre_header_t *) 0)->protocol));
/* These could be moved to the supported protocol input node defn's */
gre_register_input_protocol (vm, GRE_PROTOCOL_teb,
ethernet_input->index);
- gre_register_input_protocol (vm, GRE_PROTOCOL_ip4,
+ gre_register_input_protocol (vm, GRE_PROTOCOL_ip4,
ip4_input->index);
- gre_register_input_protocol (vm, GRE_PROTOCOL_ip6,
+ gre_register_input_protocol (vm, GRE_PROTOCOL_ip6,
ip6_input->index);
gre_register_input_protocol (vm, GRE_PROTOCOL_mpls_unicast,
mpls_unicast_input->index);
- ip4_register_protocol (IP_PROTOCOL_GRE, gre_input_node.index);
+ ip4_register_protocol (IP_PROTOCOL_GRE, gre4_input_node.index);
+ ip6_register_protocol (IP_PROTOCOL_GRE, gre6_input_node.index);
return 0;
}
VLIB_INIT_FUNCTION (gre_input_init);
-
-static clib_error_t * gre_input_worker_init (vlib_main_t * vm)
-{
- gre_input_runtime_t * rt;
-
- rt = vlib_node_get_runtime_data (vm, gre_input_node.index);
-
- rt->next_by_protocol = sparse_vec_new
- (/* elt bytes */ sizeof (rt->next_by_protocol[0]),
- /* bits in index */ BITS (((gre_header_t *) 0)->protocol));
- return 0;
-}
-
-VLIB_WORKER_INIT_FUNCTION (gre_input_worker_init);
Code Review / vpp.git / blobdiff