#include <vnet/vnet.h>
#include <vnet/ip/lookup.h>
-void vnet_rewrite_copy_slow_path (vnet_rewrite_data_t * p0,
- vnet_rewrite_data_t * rw0,
- word n_left,
- uword most_likely_size)
+void
+vnet_rewrite_copy_slow_path (vnet_rewrite_data_t * p0,
+ vnet_rewrite_data_t * rw0,
+ word n_left, uword most_likely_size)
{
- uword n_done = round_pow2 (most_likely_size, sizeof (rw0[0])) / sizeof (rw0[0]);
+ uword n_done =
+ round_pow2 (most_likely_size, sizeof (rw0[0])) / sizeof (rw0[0]);
p0 -= n_done;
rw0 -= n_done;
/* As we enter the cleanup loop, p0 and rw0 point to the last chunk written
- by the fast path. Hence, the constant 1, which the
+ by the fast path. Hence, the constant 1, which the
vnet_rewrite_copy_one macro renders as p0[-1] = rw0[-1]. */
while (n_left > 0)
}
}
-u8 * format_vnet_rewrite (u8 * s, va_list * args)
+u8 *
+format_vnet_rewrite (u8 * s, va_list * args)
{
- vlib_main_t * vm = va_arg (*args, vlib_main_t *);
- vnet_rewrite_header_t * rw = va_arg (*args, vnet_rewrite_header_t *);
+ vlib_main_t *vm = va_arg (*args, vlib_main_t *);
+ vnet_rewrite_header_t *rw = va_arg (*args, vnet_rewrite_header_t *);
u32 max_data_bytes = va_arg (*args, u32);
- vnet_main_t * vnm = vnet_get_main();
- vlib_node_t * next;
- uword indent;
+ CLIB_UNUSED (uword indent) = va_arg (*args, u32);
+ vnet_main_t *vnm = vnet_get_main ();
+ vlib_node_t *next;
next = vlib_get_next_node (vm, rw->node_index, rw->next_index);
- indent = format_get_indent (s);
-
if (rw->sw_if_index != ~0)
{
- vnet_sw_interface_t * si;
+ vnet_sw_interface_t *si;
si = vnet_get_sw_interface (vnm, rw->sw_if_index);
- s = format (s, "%U", format_vnet_sw_interface_name, vnm, si);
+ s = format (s, "%U: ", format_vnet_sw_interface_name, vnm, si);
}
else
- s = format (s, "%v", next->name);
+ s = format (s, "%v: ", next->name);
/* Format rewrite string. */
if (rw->data_bytes > 0)
- s = format (s, "\n%U%U",
- format_white_space, indent,
+
+ s = format (s, "%U",
next->format_buffer ? next->format_buffer : format_hex_bytes,
- rw->data + max_data_bytes - rw->data_bytes,
- rw->data_bytes);
+ rw->data + max_data_bytes - rw->data_bytes, rw->data_bytes);
return s;
}
-u8 * format_vnet_rewrite_header (u8 * s, va_list * args)
+u8 *
+format_vnet_rewrite_header (u8 * s, va_list * args)
{
- vlib_main_t * vm = va_arg (*args, vlib_main_t *);
- vnet_rewrite_header_t * rw = va_arg (*args, vnet_rewrite_header_t *);
- u8 * packet_data = va_arg (*args, u8 *);
+ vlib_main_t *vm = va_arg (*args, vlib_main_t *);
+ vnet_rewrite_header_t *rw = va_arg (*args, vnet_rewrite_header_t *);
+ u8 *packet_data = va_arg (*args, u8 *);
u32 packet_data_bytes = va_arg (*args, u32);
- vlib_node_t * next;
+ vlib_node_t *next;
next = vlib_get_next_node (vm, rw->node_index, rw->next_index);
return s;
}
-uword unformat_vnet_rewrite (unformat_input_t * input, va_list * args)
+uword
+unformat_vnet_rewrite (unformat_input_t * input, va_list * args)
{
- vlib_main_t * vm = va_arg (*args, vlib_main_t *);
- vnet_rewrite_header_t * rw = va_arg (*args, vnet_rewrite_header_t *);
+ vlib_main_t *vm = va_arg (*args, vlib_main_t *);
+ vnet_rewrite_header_t *rw = va_arg (*args, vnet_rewrite_header_t *);
u32 max_data_bytes = va_arg (*args, u32);
- vnet_main_t * vnm = vnet_get_main();
- vlib_node_t * next;
+ vnet_main_t *vnm = vnet_get_main ();
+ vlib_node_t *next;
u32 next_index, sw_if_index, max_packet_bytes, error;
- u8 * rw_data;
+ u8 *rw_data;
rw_data = 0;
sw_if_index = ~0;
error = 1;
/* Parse sw interface. */
- if (unformat (input, "%U",
- unformat_vnet_sw_interface, vnm, &sw_if_index))
+ if (unformat (input, "%U", unformat_vnet_sw_interface, vnm, &sw_if_index))
{
- vnet_hw_interface_t * hi;
+ vnet_hw_interface_t *hi;
hi = vnet_get_sup_hw_interface (vnm, sw_if_index);
max_packet_bytes = hi->max_l3_packet_bytes[VLIB_RX];
}
- else if (unformat (input, "%U",
- unformat_vlib_node, vm, &next_index))
+ else if (unformat (input, "%U", unformat_vlib_node, vm, &next_index))
;
else
else if (unformat_user (input, unformat_hex_string, &rw_data)
|| unformat (input, "0x%U", unformat_hex_string, &rw_data))
;
-
+
else
goto done;
rw->sw_if_index = sw_if_index;
rw->max_l3_packet_bytes = max_packet_bytes;
rw->next_index = vlib_node_add_next (vm, rw->node_index, next_index);
- vnet_rewrite_set_data_internal (rw, max_data_bytes, rw_data, vec_len (rw_data));
+ vnet_rewrite_set_data_internal (rw, max_data_bytes, rw_data,
+ vec_len (rw_data));
- done:
+done:
vec_free (rw_data);
return error == 0;
}
-void vnet_rewrite_for_sw_interface (vnet_main_t * vnm,
- vnet_l3_packet_type_t packet_type,
- u32 sw_if_index,
- u32 node_index,
- void * dst_address,
- vnet_rewrite_header_t * rw,
- u32 max_rewrite_bytes)
+u32
+vnet_tx_node_index_for_sw_interface (vnet_main_t * vnm, u32 sw_if_index)
{
- vnet_hw_interface_t * hw = vnet_get_sup_hw_interface (vnm, sw_if_index);
- vnet_hw_interface_class_t * hc = vnet_get_hw_interface_class (vnm, hw->hw_class_index);
- static u8 * rw_tmp = 0;
- uword n_rw_tmp;
+ vnet_hw_interface_t *hw = vnet_get_sup_hw_interface (vnm, sw_if_index);
+ return (hw->output_node_index);
+}
+void
+vnet_rewrite_init (vnet_main_t * vnm,
+ u32 sw_if_index,
+ u32 this_node, u32 next_node, vnet_rewrite_header_t * rw)
+{
rw->sw_if_index = sw_if_index;
- rw->node_index = node_index;
- rw->next_index = vlib_node_add_next (vnm->vlib_main, node_index, hw->output_node_index);
- rw->max_l3_packet_bytes = hw->max_l3_packet_bytes[VLIB_TX];
+ rw->node_index = this_node;
+ rw->next_index = vlib_node_add_next (vnm->vlib_main, this_node, next_node);
+ rw->max_l3_packet_bytes =
+ vnet_sw_interface_get_mtu (vnm, sw_if_index, VLIB_TX);
+}
- ASSERT (max_rewrite_bytes > 0);
- vec_reset_length (rw_tmp);
- vec_validate (rw_tmp, max_rewrite_bytes - 1);
+void
+vnet_rewrite_for_sw_interface (vnet_main_t * vnm,
+ vnet_link_t link_type,
+ u32 sw_if_index,
+ u32 node_index,
+ void *dst_address,
+ vnet_rewrite_header_t * rw,
+ u32 max_rewrite_bytes)
+{
+
+ vnet_hw_interface_t *hw = vnet_get_sup_hw_interface (vnm, sw_if_index);
+ vnet_hw_interface_class_t *hc =
+ vnet_get_hw_interface_class (vnm, hw->hw_class_index);
+ u8 *rewrite = NULL;
+
+ vnet_rewrite_init (vnm, sw_if_index, node_index,
+ vnet_tx_node_index_for_sw_interface (vnm, sw_if_index),
+ rw);
- ASSERT (hc->set_rewrite);
- n_rw_tmp = hc->set_rewrite (vnm, sw_if_index, packet_type, dst_address, rw_tmp, max_rewrite_bytes);
+ ASSERT (hc->build_rewrite);
+ rewrite = hc->build_rewrite (vnm, sw_if_index, link_type, dst_address);
- ASSERT (n_rw_tmp >= 0 && n_rw_tmp < max_rewrite_bytes);
- vnet_rewrite_set_data_internal (rw, max_rewrite_bytes, rw_tmp, n_rw_tmp);
+ ASSERT (vec_len (rewrite) < max_rewrite_bytes);
+ vnet_rewrite_set_data_internal (rw, max_rewrite_bytes, rewrite,
+ vec_len (rewrite));
+ vec_free (rewrite);
}
-void vnet_rewrite_for_tunnel (vnet_main_t * vnm,
- u32 tx_sw_if_index,
- u32 rewrite_node_index,
- u32 post_rewrite_node_index,
- vnet_rewrite_header_t * rw,
- u8 *rewrite_data,
- u32 rewrite_length)
+void
+vnet_rewrite_for_tunnel (vnet_main_t * vnm,
+ u32 tx_sw_if_index,
+ u32 rewrite_node_index,
+ u32 post_rewrite_node_index,
+ vnet_rewrite_header_t * rw,
+ u8 * rewrite_data, u32 rewrite_length)
{
- ip_adjacency_t * adj = 0;
- /*
+ ip_adjacency_t *adj = 0;
+ /*
* Installed into vnet_buffer(b)->sw_if_index[VLIB_TX] e.g.
- * by ip4_rewrite_inline. If the post-rewrite node injects into
- * ipX-forward, this will be interpreted as a FIB number.
+ * by ip4_rewrite_inline. If the post-rewrite node injects into
+ * ipX-forward, this will be interpreted as a FIB number.
*/
- rw->sw_if_index = tx_sw_if_index;
+ rw->sw_if_index = tx_sw_if_index;
rw->node_index = rewrite_node_index;
- rw->next_index = vlib_node_add_next (vnm->vlib_main, rewrite_node_index,
- post_rewrite_node_index);
- rw->max_l3_packet_bytes = (u16) ~0; /* we can't know at this point */
+ rw->next_index = vlib_node_add_next (vnm->vlib_main, rewrite_node_index,
+ post_rewrite_node_index);
+ rw->max_l3_packet_bytes = (u16) ~ 0; /* we can't know at this point */
ASSERT (rewrite_length < sizeof (adj->rewrite_data));
/* Leave room for ethernet + VLAN tag */
- vnet_rewrite_set_data_internal (rw, sizeof(adj->rewrite_data),
- rewrite_data, rewrite_length);
+ vnet_rewrite_set_data_internal (rw, sizeof (adj->rewrite_data),
+ rewrite_data, rewrite_length);
}
-void serialize_vnet_rewrite (serialize_main_t * m, va_list * va)
+void
+serialize_vnet_rewrite (serialize_main_t * m, va_list * va)
{
- vnet_rewrite_header_t * rw = va_arg (*va, vnet_rewrite_header_t *);
+ vnet_rewrite_header_t *rw = va_arg (*va, vnet_rewrite_header_t *);
u32 max_data_bytes = va_arg (*va, u32);
- u8 * p;
+ u8 *p;
serialize_integer (m, rw->sw_if_index, sizeof (rw->sw_if_index));
serialize_integer (m, rw->data_bytes, sizeof (rw->data_bytes));
- serialize_integer (m, rw->max_l3_packet_bytes, sizeof (rw->max_l3_packet_bytes));
+ serialize_integer (m, rw->max_l3_packet_bytes,
+ sizeof (rw->max_l3_packet_bytes));
p = serialize_get (m, rw->data_bytes);
- memcpy (p, vnet_rewrite_get_data_internal (rw, max_data_bytes), rw->data_bytes);
+ clib_memcpy (p, vnet_rewrite_get_data_internal (rw, max_data_bytes),
+ rw->data_bytes);
}
-void unserialize_vnet_rewrite (serialize_main_t * m, va_list * va)
+void
+unserialize_vnet_rewrite (serialize_main_t * m, va_list * va)
{
- vnet_rewrite_header_t * rw = va_arg (*va, vnet_rewrite_header_t *);
+ vnet_rewrite_header_t *rw = va_arg (*va, vnet_rewrite_header_t *);
u32 max_data_bytes = va_arg (*va, u32);
- u8 * p;
+ u8 *p;
/* It is up to user to fill these in. */
rw->node_index = ~0;
unserialize_integer (m, &rw->sw_if_index, sizeof (rw->sw_if_index));
unserialize_integer (m, &rw->data_bytes, sizeof (rw->data_bytes));
- unserialize_integer (m, &rw->max_l3_packet_bytes, sizeof (rw->max_l3_packet_bytes));
+ unserialize_integer (m, &rw->max_l3_packet_bytes,
+ sizeof (rw->max_l3_packet_bytes));
p = unserialize_get (m, rw->data_bytes);
- memcpy (vnet_rewrite_get_data_internal (rw, max_data_bytes), p, rw->data_bytes);
+ clib_memcpy (vnet_rewrite_get_data_internal (rw, max_data_bytes), p,
+ rw->data_bytes);
+}
+
+u8 *
+vnet_build_rewrite_for_sw_interface (vnet_main_t * vnm,
+ u32 sw_if_index,
+ vnet_link_t link_type,
+ const void *dst_address)
+{
+ vnet_hw_interface_t *hw = vnet_get_sup_hw_interface (vnm, sw_if_index);
+ vnet_hw_interface_class_t *hc =
+ vnet_get_hw_interface_class (vnm, hw->hw_class_index);
+
+ ASSERT (hc->build_rewrite);
+ return (hc->build_rewrite (vnm, sw_if_index, link_type, dst_address));
}
+
+
+void
+vnet_update_adjacency_for_sw_interface (vnet_main_t * vnm,
+ u32 sw_if_index, u32 ai)
+{
+ vnet_hw_interface_t *hw = vnet_get_sup_hw_interface (vnm, sw_if_index);
+ vnet_hw_interface_class_t *hc =
+ vnet_get_hw_interface_class (vnm, hw->hw_class_index);
+
+ ASSERT (hc->update_adjacency);
+ hc->update_adjacency (vnm, sw_if_index, ai);
+}
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */