#include <vnet/ip/ip4_forward.h>
#include <vnet/interface_output.h>
#include <vnet/classify/vnet_classify.h>
+#include <vnet/ip/reass/ip4_full_reass.h>
/** @brief IPv4 lookup node.
@node ip4-lookup
if (PREDICT_FALSE (ip4_local_need_csum_check (is_tcp_udp[0], b[0])
|| ip4_local_need_csum_check (is_tcp_udp[1], b[1])))
{
- if (is_tcp_udp[0])
+ if (is_tcp_udp[0] && !ip4_local_csum_is_offloaded (b[0]))
ip4_local_l4_csum_validate (vm, b[0], ih[0], is_udp[0], &error[0],
&good_tcp_udp[0]);
- if (is_tcp_udp[1])
+ if (is_tcp_udp[1] && !ip4_local_csum_is_offloaded (b[1]))
ip4_local_l4_csum_validate (vm, b[1], ih[1], is_udp[1], &error[1],
&good_tcp_udp[1]);
}
next_index = *next;
if (PREDICT_TRUE (error == (u8) IP4_ERROR_UNKNOWN_PROTOCOL))
{
- vnet_feature_arc_start (arc_index,
- vnet_buffer (b)->sw_if_index[VLIB_RX],
- &next_index, b);
+ vnet_feature_arc_start (
+ arc_index, vnet_buffer (b)->ip.rx_sw_if_index, &next_index, b);
*next = next_index;
}
}
typedef struct
{
+ /* The src and fib-index together determine if packet n is the same as n-1 */
ip4_address_t src;
+ u32 fib_index;
u32 lbi;
u8 error;
u8 first;
vnet_buffer (b)->sw_if_index[VLIB_TX] != ~0 ?
vnet_buffer (b)->sw_if_index[VLIB_TX] : vnet_buffer (b)->ip.fib_index;
+ vnet_buffer (b)->ip.rx_sw_if_index = vnet_buffer (b)->sw_if_index[VLIB_RX];
if (is_receive_dpo)
{
receive_dpo_t *rd;
rd = receive_dpo_get (vnet_buffer (b)->ip.adj_index[VLIB_TX]);
- vnet_buffer (b)->ip.rx_sw_if_index = rd->rd_sw_if_index;
+ if (rd->rd_sw_if_index != ~0)
+ vnet_buffer (b)->ip.rx_sw_if_index = rd->rd_sw_if_index;
}
- else
- vnet_buffer (b)->ip.rx_sw_if_index = vnet_buffer (b)->sw_if_index[VLIB_RX];
/*
* vnet_buffer()->ip.adj_index[VLIB_RX] will be set to the index of the
* vnet_buffer()->ip.adj_index[VLIB_TX] will be set to the index of the
* adjacency for the source address (the remote sender's address)
*/
- if (PREDICT_TRUE (last_check->src.as_u32 != ip0->src_address.as_u32) ||
+ if (PREDICT_TRUE ((last_check->src.as_u32 != ip0->src_address.as_u32)) ||
+ (last_check->fib_index != vnet_buffer (b)->ip.fib_index) ||
last_check->first)
{
lbi0 = ip4_fib_forwarding_lookup (vnet_buffer (b)->ip.fib_index,
last_check->lbi = lbi0;
last_check->error = *error0;
last_check->first = 0;
+ last_check->fib_index = vnet_buffer (b)->ip.fib_index;
}
else
{
vnet_buffer (b[1])->sw_if_index[VLIB_TX] :
vnet_buffer (b[1])->ip.fib_index;
+ not_last_hit |= vnet_buffer (b[0])->ip.fib_index ^ last_check->fib_index;
+ not_last_hit |= vnet_buffer (b[1])->ip.fib_index ^ last_check->fib_index;
+
+ vnet_buffer (b[0])->ip.rx_sw_if_index =
+ vnet_buffer (b[0])->sw_if_index[VLIB_RX];
+ vnet_buffer (b[1])->ip.rx_sw_if_index =
+ vnet_buffer (b[1])->sw_if_index[VLIB_RX];
if (is_receive_dpo)
{
const receive_dpo_t *rd0, *rd1;
rd0 = receive_dpo_get (vnet_buffer (b[0])->ip.adj_index[VLIB_TX]);
rd1 = receive_dpo_get (vnet_buffer (b[1])->ip.adj_index[VLIB_TX]);
- vnet_buffer (b[0])->ip.rx_sw_if_index = rd0->rd_sw_if_index;
- vnet_buffer (b[1])->ip.rx_sw_if_index = rd1->rd_sw_if_index;
- }
- else
- {
- vnet_buffer (b[0])->ip.rx_sw_if_index =
- vnet_buffer (b[0])->sw_if_index[VLIB_RX];
- vnet_buffer (b[1])->ip.rx_sw_if_index =
- vnet_buffer (b[1])->sw_if_index[VLIB_RX];
+ if (rd0->rd_sw_if_index != ~0)
+ vnet_buffer (b[0])->ip.rx_sw_if_index = rd0->rd_sw_if_index;
+ if (rd1->rd_sw_if_index != ~0)
+ vnet_buffer (b[1])->ip.rx_sw_if_index = rd1->rd_sw_if_index;
}
/*
last_check->lbi = lbi[1];
last_check->error = error[1];
last_check->first = 0;
+ last_check->fib_index = vnet_buffer (b[1])->ip.fib_index;
}
else
{
* member to make sure the .lbi is initialised for the first
* packet.
*/
- .src = {.as_u32 = 0},
+ .src = { .as_u32 = 0 },
.lbi = ~0,
.error = IP4_ERROR_UNKNOWN_PROTOCOL,
.first = 1,
+ .fib_index = 0,
};
from = vlib_frame_vector_args (frame);
.vector_size = sizeof (u32),
.format_trace = format_ip4_forward_next_trace,
.n_errors = IP4_N_ERROR,
- .error_strings = ip4_error_strings,
+ .error_counters = ip4_error_counters,
.n_next_nodes = IP_LOCAL_N_NEXT,
.next_nodes =
{
[IP_LOCAL_NEXT_PUNT] = "ip4-punt",
[IP_LOCAL_NEXT_UDP_LOOKUP] = "ip4-udp-lookup",
[IP_LOCAL_NEXT_ICMP] = "ip4-icmp-input",
- [IP_LOCAL_NEXT_REASSEMBLY] = "ip4-full-reassembly",
+ [IP_LOCAL_NEXT_REASSEMBLY] = "ip4-local-full-reassembly",
},
};
ttl += 1;
ip->ttl = ttl;
- ASSERT (ip4_header_checksum_is_valid (ip));
+ ASSERT (ip4_header_checksum_is_valid (ip) ||
+ (vnet_buffer (b)->oflags & VNET_BUFFER_OFFLOAD_F_IP_CKSUM) ||
+ (vnet_buffer (b)->oflags & VNET_BUFFER_OFFLOAD_F_OUTER_IP_CKSUM));
}
/* Decrement TTL & update checksum.