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authorDamjan Marion <damarion@cisco.com>2016-11-15 12:50:28 +0100
committerDave Barach <openvpp@barachs.net>2016-11-23 22:12:25 +0000
commit676554935a576db9f512b8b2ef81ba6723bb7ad6 (patch)
tree796b94d3320e097789c5d6bc12f442f4cea9c2a1 /vnet
parentdaa2cd1512ac46dfe116b89a34caf19a71994c45 (diff)
dpdk: remove rte_mbuf modifications at many places in the code
It is sole responsibility of dpdk tx function to fill/update rte_mbuf prior to sending packet do PMD. Change-Id: I8ca1dba3e7bef41034d36e3525831849f7ac4ac0 Signed-off-by: Damjan Marion <damarion@cisco.com>
Diffstat (limited to 'vnet')
-rw-r--r--vnet/vnet/buffer.h3
-rw-r--r--vnet/vnet/devices/af_packet/node.c16
-rw-r--r--vnet/vnet/devices/netmap/node.c16
-rw-r--r--vnet/vnet/devices/ssvm/node.c4
-rw-r--r--vnet/vnet/devices/ssvm/ssvm_eth.h1
-rw-r--r--vnet/vnet/devices/virtio/vhost-user.h4
-rw-r--r--vnet/vnet/ip/ip.h35
-rw-r--r--vnet/vnet/ip/ip6_forward.c30
-rw-r--r--vnet/vnet/ip/ip6_neighbor.c12
-rw-r--r--vnet/vnet/ipsec/esp.h3
-rw-r--r--vnet/vnet/ipsec/ipsec.h17
-rw-r--r--vnet/vnet/l2/l2_output.c6
-rw-r--r--vnet/vnet/pg/input.c52
-rw-r--r--vnet/vnet/unix/tapcli.c7
-rw-r--r--vnet/vnet/unix/tuntap.c40
15 files changed, 7 insertions, 239 deletions
diff --git a/vnet/vnet/buffer.h b/vnet/vnet/buffer.h
index d3ad86442cd..2ae4f1ccb70 100644
--- a/vnet/vnet/buffer.h
+++ b/vnet/vnet/buffer.h
@@ -67,6 +67,9 @@
#define LOG2_BUFFER_HANDOFF_NEXT_VALID LOG2_VLIB_BUFFER_FLAG_USER(6)
#define BUFFER_HANDOFF_NEXT_VALID (1 << LOG2_BUFFER_HANDOFF_NEXT_VALID)
+#define LOG2_VNET_BUFFER_RTE_MBUF_IS_VALID LOG2_VLIB_BUFFER_FLAG_USER(7)
+#define VNET_BUFFER_RTE_MBUF_IS_VALID (1 << LOG2_VNET_BUFFER_RTE_MBUF_IS_VALID)
+
#define foreach_buffer_opaque_union_subtype \
_(ethernet) \
_(ip) \
diff --git a/vnet/vnet/devices/af_packet/node.c b/vnet/vnet/devices/af_packet/node.c
index 083c5581c2d..72004320c67 100644
--- a/vnet/vnet/devices/af_packet/node.c
+++ b/vnet/vnet/devices/af_packet/node.c
@@ -104,17 +104,6 @@ buffer_add_to_chain (vlib_main_t * vm, u32 bi, u32 first_bi, u32 prev_bi)
/* update current buffer */
b->next_buffer = 0;
-
-#if DPDK > 0
- struct rte_mbuf *mbuf = rte_mbuf_from_vlib_buffer (b);
- struct rte_mbuf *first_mbuf = rte_mbuf_from_vlib_buffer (first_b);
- struct rte_mbuf *prev_mbuf = rte_mbuf_from_vlib_buffer (prev_b);
- first_mbuf->nb_segs++;
- prev_mbuf->next = mbuf;
- mbuf->data_len = b->current_length;
- mbuf->data_off = RTE_PKTMBUF_HEADROOM + b->current_data;
- mbuf->next = 0;
-#endif
}
always_inline uword
@@ -194,11 +183,6 @@ af_packet_device_input_fn (vlib_main_t * vm, vlib_node_runtime_t * node,
if (offset == 0)
{
-#if DPDK > 0
- struct rte_mbuf *mb = rte_mbuf_from_vlib_buffer (b0);
- rte_pktmbuf_data_len (mb) = b0->current_length;
- rte_pktmbuf_pkt_len (mb) = b0->current_length;
-#endif
b0->total_length_not_including_first_buffer = 0;
b0->flags = VLIB_BUFFER_TOTAL_LENGTH_VALID;
vnet_buffer (b0)->sw_if_index[VLIB_RX] = apif->sw_if_index;
diff --git a/vnet/vnet/devices/netmap/node.c b/vnet/vnet/devices/netmap/node.c
index b96bada5f37..19895e4754a 100644
--- a/vnet/vnet/devices/netmap/node.c
+++ b/vnet/vnet/devices/netmap/node.c
@@ -83,17 +83,6 @@ buffer_add_to_chain (vlib_main_t * vm, u32 bi, u32 first_bi, u32 prev_bi)
/* update current buffer */
b->next_buffer = 0;
-
-#if DPDK > 0
- struct rte_mbuf *mbuf = rte_mbuf_from_vlib_buffer (b);
- struct rte_mbuf *first_mbuf = rte_mbuf_from_vlib_buffer (first_b);
- struct rte_mbuf *prev_mbuf = rte_mbuf_from_vlib_buffer (prev_b);
- first_mbuf->nb_segs++;
- prev_mbuf->next = mbuf;
- mbuf->data_len = b->current_length;
- mbuf->data_off = RTE_PKTMBUF_HEADROOM + b->current_data;
- mbuf->next = 0;
-#endif
}
always_inline uword
@@ -195,11 +184,6 @@ netmap_device_input_fn (vlib_main_t * vm, vlib_node_runtime_t * node,
if (offset == 0)
{
-#if DPDK > 0
- struct rte_mbuf *mb = rte_mbuf_from_vlib_buffer (b0);
- rte_pktmbuf_data_len (mb) = b0->current_length;
- rte_pktmbuf_pkt_len (mb) = b0->current_length;
-#endif
b0->total_length_not_including_first_buffer = 0;
b0->flags = VLIB_BUFFER_TOTAL_LENGTH_VALID;
vnet_buffer (b0)->sw_if_index[VLIB_RX] =
diff --git a/vnet/vnet/devices/ssvm/node.c b/vnet/vnet/devices/ssvm/node.c
index 5ecccd376c0..3a695b1d8c0 100644
--- a/vnet/vnet/devices/ssvm/node.c
+++ b/vnet/vnet/devices/ssvm/node.c
@@ -77,11 +77,7 @@ ssvm_eth_device_input (ssvm_eth_main_t * em,
int rx_queue_index;
u32 n_to_alloc = VLIB_FRAME_SIZE * 2;
u32 n_allocated, n_present_in_cache;
-#if DPDK > 0
u32 next_index = VNET_DEVICE_INPUT_NEXT_ETHERNET_INPUT;
-#else
- u32 next_index = 0;
-#endif
vlib_buffer_free_list_t *fl;
u32 n_left_to_next, *to_next;
u32 next0;
diff --git a/vnet/vnet/devices/ssvm/ssvm_eth.h b/vnet/vnet/devices/ssvm/ssvm_eth.h
index f4156e3ae70..ac611f4edb6 100644
--- a/vnet/vnet/devices/ssvm/ssvm_eth.h
+++ b/vnet/vnet/devices/ssvm/ssvm_eth.h
@@ -25,6 +25,7 @@
#include <vppinfra/elog.h>
#include <vlib/vlib.h>
#include <vnet/ethernet/ethernet.h>
+#include <vnet/devices/devices.h>
#include <vnet/ip/ip.h>
#include <vnet/pg/pg.h>
#include <vlibmemory/unix_shared_memory_queue.h>
diff --git a/vnet/vnet/devices/virtio/vhost-user.h b/vnet/vnet/devices/virtio/vhost-user.h
index 0495991d02c..4ce0830963f 100644
--- a/vnet/vnet/devices/virtio/vhost-user.h
+++ b/vnet/vnet/devices/virtio/vhost-user.h
@@ -32,10 +32,6 @@
#define VHOST_VRING_F_LOG 0
#define VHOST_USER_F_PROTOCOL_FEATURES 30
-#if DPDK == 0
-#define RTE_VERSION_NUM(a,b,c,d) 1
-#define RTE_VERSION 0
-#endif
#define VHOST_USER_PROTOCOL_FEATURES ((1ULL << VHOST_USER_PROTOCOL_F_MQ) | \
(1ULL << VHOST_USER_PROTOCOL_F_LOG_SHMFD))
diff --git a/vnet/vnet/ip/ip.h b/vnet/vnet/ip/ip.h
index c9a82930a67..f50662b2acf 100644
--- a/vnet/vnet/ip/ip.h
+++ b/vnet/vnet/ip/ip.h
@@ -63,11 +63,6 @@
#include <vnet/ip/ip6_packet.h>
#include <vnet/ip/ip6_error.h>
#include <vnet/ip/icmp6.h>
-
-#if DPDK > 0
-#include <vnet/devices/dpdk/dpdk.h>
-#endif
-
#include <vnet/classify/vnet_classify.h>
/* Per protocol info. */
@@ -155,35 +150,6 @@ ip_incremental_checksum_buffer (vlib_main_t * vm, vlib_buffer_t * first_buffer,
u32 first_buffer_offset,
u32 n_bytes_to_checksum,
ip_csum_t sum)
-#if DPDK > 0
-{
- u32 n_bytes_left = n_bytes_to_checksum;
- struct rte_mbuf * mb = rte_mbuf_from_vlib_buffer(first_buffer);
- u8 nb_segs = mb->nb_segs;
- ASSERT(mb->data_len >= first_buffer_offset);
- void * h;
- u32 n;
-
- n = clib_min (n_bytes_left, mb->data_len);
- h = vlib_buffer_get_current (first_buffer) + first_buffer_offset;
- while (n_bytes_left)
- {
- sum = ip_incremental_checksum (sum, h, n);
- n_bytes_left -= n;
- nb_segs--;
- mb = mb->next;
- if ((nb_segs == 0) || (mb == 0))
- break;
-
- n = clib_min (n_bytes_left, mb->data_len);
- h = rte_ctrlmbuf_data(mb);
- }
-
- ASSERT(n_bytes_left == 0);
- ASSERT(nb_segs == 0);
- return sum;
-}
-#else
{
vlib_buffer_t * b = first_buffer;
u32 n_bytes_left = n_bytes_to_checksum;
@@ -210,7 +176,6 @@ ip_incremental_checksum_buffer (vlib_main_t * vm, vlib_buffer_t * first_buffer,
return sum;
}
-#endif /* DPDK */
void ip_del_all_interface_addresses (vlib_main_t *vm, u32 sw_if_index);
diff --git a/vnet/vnet/ip/ip6_forward.c b/vnet/vnet/ip/ip6_forward.c
index 14dd9dfbdf0..f3cd640a841 100644
--- a/vnet/vnet/ip/ip6_forward.c
+++ b/vnet/vnet/ip/ip6_forward.c
@@ -1177,35 +1177,6 @@ u16 ip6_tcp_udp_icmp_compute_checksum (vlib_main_t * vm, vlib_buffer_t * p0, ip6
}
n_bytes_left = n_this_buffer = payload_length_host_byte_order;
-#if DPDK > 0
- if (p0 && n_this_buffer + headers_size > p0->current_length)
- {
- struct rte_mbuf *mb = rte_mbuf_from_vlib_buffer(p0);
- u8 nb_segs = mb->nb_segs;
-
- n_this_buffer = (p0->current_length > headers_size ?
- p0->current_length - headers_size : 0);
- while (n_bytes_left)
- {
- sum0 = ip_incremental_checksum (sum0, data_this_buffer, n_this_buffer);
- n_bytes_left -= n_this_buffer;
-
- mb = mb->next;
- nb_segs--;
- if ((nb_segs == 0) || (mb == 0))
- break;
-
- data_this_buffer = rte_ctrlmbuf_data(mb);
- n_this_buffer = mb->data_len;
- }
- if (n_bytes_left || nb_segs)
- {
- *bogus_lengthp = 1;
- return 0xfefe;
- }
- }
- else sum0 = ip_incremental_checksum (sum0, data_this_buffer, n_this_buffer);
-#else
if (p0 && n_this_buffer + headers_size > p0->current_length)
n_this_buffer = p0->current_length > headers_size ? p0->current_length - headers_size : 0;
while (1)
@@ -1224,7 +1195,6 @@ u16 ip6_tcp_udp_icmp_compute_checksum (vlib_main_t * vm, vlib_buffer_t * p0, ip6
data_this_buffer = vlib_buffer_get_current (p0);
n_this_buffer = p0->current_length;
}
-#endif /* DPDK */
sum16 = ~ ip_csum_fold (sum0);
diff --git a/vnet/vnet/ip/ip6_neighbor.c b/vnet/vnet/ip/ip6_neighbor.c
index af852a2be86..cc176306969 100644
--- a/vnet/vnet/ip/ip6_neighbor.c
+++ b/vnet/vnet/ip/ip6_neighbor.c
@@ -23,10 +23,6 @@
#include <vnet/fib/fib_table.h>
#include <vnet/fib/ip6_fib.h>
-#if DPDK==1
-#include <vnet/devices/dpdk/dpdk.h>
-#endif
-
/**
* @file
* @brief IPv6 Neighbor Adjacency and Neighbor Discovery.
@@ -317,7 +313,6 @@ typedef struct {
ip6_address_t addr;
} ip6_neighbor_set_unset_rpc_args_t;
-#if DPDK > 0
static void ip6_neighbor_set_unset_rpc_callback
( ip6_neighbor_set_unset_rpc_args_t * a);
@@ -340,7 +335,6 @@ static void set_unset_ip6_neighbor_rpc
vl_api_rpc_call_main_thread (ip6_neighbor_set_unset_rpc_callback,
(u8 *) &args, sizeof (args));
}
-#endif
static void
ip6_nbr_probe (ip_adjacency_t *adj)
@@ -538,14 +532,12 @@ vnet_set_ip6_ethernet_neighbor (vlib_main_t * vm,
u32 next_index;
pending_resolution_t * pr, * mc;
-#if DPDK > 0
if (os_get_cpu_number())
{
set_unset_ip6_neighbor_rpc (vm, sw_if_index, a, link_layer_address,
1 /* set new neighbor */, is_static);
return 0;
}
-#endif
k.sw_if_index = sw_if_index;
k.ip6_address = a[0];
@@ -687,14 +679,12 @@ vnet_unset_ip6_ethernet_neighbor (vlib_main_t * vm,
uword * p;
int rv = 0;
-#if DPDK > 0
if (os_get_cpu_number())
{
set_unset_ip6_neighbor_rpc (vm, sw_if_index, a, link_layer_address,
0 /* unset */, 0);
return 0;
}
-#endif
k.sw_if_index = sw_if_index;
k.ip6_address = a[0];
@@ -722,7 +712,6 @@ vnet_unset_ip6_ethernet_neighbor (vlib_main_t * vm,
return rv;
}
-#if DPDK > 0
static void ip6_neighbor_set_unset_rpc_callback
( ip6_neighbor_set_unset_rpc_args_t * a)
{
@@ -734,7 +723,6 @@ static void ip6_neighbor_set_unset_rpc_callback
vnet_unset_ip6_ethernet_neighbor (vm, a->sw_if_index, &a->addr,
a->link_layer_address, 6);
}
-#endif
static int
ip6_neighbor_sort (void *a1, void *a2)
diff --git a/vnet/vnet/ipsec/esp.h b/vnet/vnet/ipsec/esp.h
index 505d34ad859..b9feacbb322 100644
--- a/vnet/vnet/ipsec/esp.h
+++ b/vnet/vnet/ipsec/esp.h
@@ -12,9 +12,6 @@
* See the License for the specific language governing permissions and
* limitations under the License.
*/
-#if DPDK==1
-#include <vnet/devices/dpdk/dpdk.h>
-#endif
#include <openssl/hmac.h>
#include <openssl/rand.h>
diff --git a/vnet/vnet/ipsec/ipsec.h b/vnet/vnet/ipsec/ipsec.h
index dbbb928fc30..d33df383669 100644
--- a/vnet/vnet/ipsec/ipsec.h
+++ b/vnet/vnet/ipsec/ipsec.h
@@ -12,10 +12,6 @@
* See the License for the specific language governing permissions and
* limitations under the License.
*/
-#if DPDK==1
-#include <vnet/devices/dpdk/dpdk.h>
-#endif
-
#define IPSEC_FLAG_IPSEC_GRE_TUNNEL (1 << 0)
#define foreach_ipsec_policy_action \
@@ -280,12 +276,6 @@ int ipsec_set_interface_key (vnet_main_t * vnm, u32 hw_if_index,
always_inline void
ipsec_alloc_empty_buffers (vlib_main_t * vm, ipsec_main_t * im)
{
-#if DPDK==1
- dpdk_main_t *dm = &dpdk_main;
- u32 free_list_index = dm->vlib_buffer_free_list_index;
-#else
- u32 free_list_index = VLIB_BUFFER_DEFAULT_FREE_LIST_INDEX;
-#endif
u32 cpu_index = os_get_cpu_number ();
uword l = vec_len (im->empty_buffers[cpu_index]);
uword n_alloc = 0;
@@ -297,11 +287,8 @@ ipsec_alloc_empty_buffers (vlib_main_t * vm, ipsec_main_t * im)
vec_alloc (im->empty_buffers[cpu_index], 2 * VLIB_FRAME_SIZE);
}
- n_alloc = vlib_buffer_alloc_from_free_list (vm,
- im->empty_buffers[cpu_index]
- + l,
- 2 * VLIB_FRAME_SIZE - l,
- free_list_index);
+ n_alloc = vlib_buffer_alloc (vm, im->empty_buffers[cpu_index] + l,
+ 2 * VLIB_FRAME_SIZE - l);
_vec_len (im->empty_buffers[cpu_index]) = l + n_alloc;
}
diff --git a/vnet/vnet/l2/l2_output.c b/vnet/vnet/l2/l2_output.c
index f8ebe146000..22ce663b899 100644
--- a/vnet/vnet/l2/l2_output.c
+++ b/vnet/vnet/l2/l2_output.c
@@ -614,7 +614,6 @@ typedef struct
u32 sw_if_index;
} output_node_mapping_rpc_args_t;
-#if DPDK > 0
static void output_node_rpc_callback (output_node_mapping_rpc_args_t * a);
static void
@@ -629,7 +628,6 @@ output_node_mapping_send_rpc (u32 node_index, u32 sw_if_index)
vl_api_rpc_call_main_thread (output_node_rpc_callback,
(u8 *) & args, sizeof (args));
}
-#endif
/** Create a mapping in the next node mapping table for the given sw_if_index. */
@@ -645,7 +643,6 @@ l2output_create_output_node_mapping (vlib_main_t * vlib_main, vnet_main_t * vnet
hw0 = vnet_get_sup_hw_interface (vnet_main, sw_if_index);
-#if DPDK > 0
uword cpu_number;
cpu_number = os_get_cpu_number ();
@@ -663,7 +660,6 @@ l2output_create_output_node_mapping (vlib_main_t * vlib_main, vnet_main_t * vnet
output_node_mapping_send_rpc (node_index, sw_if_index);
return L2OUTPUT_NEXT_DROP;
}
-#endif
/* dynamically create graph node arc */
next = vlib_node_add_next (vlib_main, node_index, hw0->output_node_index);
@@ -679,7 +675,6 @@ l2output_create_output_node_mapping (vlib_main_t * vlib_main, vnet_main_t * vnet
return next;
}
-#if DPDK > 0
void
output_node_rpc_callback (output_node_mapping_rpc_args_t * a)
{
@@ -691,7 +686,6 @@ output_node_rpc_callback (output_node_mapping_rpc_args_t * a)
(vm, vnm, a->node_index, mp->next_nodes.output_node_index_vec,
a->sw_if_index);
}
-#endif
/* Get a pointer to the config for the given interface */
l2_output_config_t *
diff --git a/vnet/vnet/pg/input.c b/vnet/vnet/pg/input.c
index 54687d51190..77b56f528fc 100644
--- a/vnet/vnet/pg/input.c
+++ b/vnet/vnet/pg/input.c
@@ -43,39 +43,6 @@
#include <vnet/feature/feature.h>
#include <vnet/devices/devices.h>
-#if DPDK==1
-#include <vnet/devices/dpdk/dpdk.h>
-#endif
-
-static inline void
-pg_set_mbuf_metadata (pg_main_t * pg, u32 * buffers, u32 n_alloc)
-{
-#if DPDK == 1
- vlib_main_t *vm = vlib_get_main ();
- vlib_buffer_t *b;
- struct rte_mbuf *mb;
- i16 delta;
- u16 new_data_len;
- u16 new_pkt_len;
-
- int i;
-
- for (i = 0; i < n_alloc; i++)
- {
- b = vlib_get_buffer (vm, buffers[i]);
- mb = rte_mbuf_from_vlib_buffer (b);
-
- delta = vlib_buffer_length_in_chain (vm, b) - (i16) mb->pkt_len;
- new_data_len = (u16) ((i16) mb->data_len + delta);
- new_pkt_len = (u16) ((i16) mb->pkt_len + delta);
-
- mb->data_len = new_data_len;
- mb->pkt_len = new_pkt_len;
- mb->data_off = (u16) ((RTE_PKTMBUF_HEADROOM) + b->current_data);
- }
-#endif
-}
-
static int
validate_buffer_data2 (vlib_buffer_t * b, pg_stream_t * s,
u32 data_offset, u32 n_bytes)
@@ -930,7 +897,6 @@ pg_generate_set_lengths (pg_main_t * pg,
si->sw_if_index, n_buffers, length_sum);
}
- pg_set_mbuf_metadata (pg, buffers, n_buffers);
}
static void
@@ -1398,24 +1364,6 @@ pg_stream_fill (pg_main_t * pg, pg_stream_t * s, u32 n_buffers)
last_start = start;
/* Verify that pkts in the fifo are properly allocated */
-#if DPDK == 1
- if (CLIB_DEBUG > 0)
- {
- u32 *bi0;
- vlib_main_t *vm = vlib_get_main ();
- /* *INDENT-OFF* */
- clib_fifo_foreach (bi0, bi->buffer_fifo,
- ({
- vlib_buffer_t * b;
- struct rte_mbuf *mb;
-
- b = vlib_get_buffer(vm, bi0[0]);
- mb = rte_mbuf_from_vlib_buffer(b);
- ASSERT(rte_mbuf_refcnt_read(mb) == 1);
- }));
- /* *INDENT-ON* */
- }
-#endif
}
return n_in_fifo + n_added;
diff --git a/vnet/vnet/unix/tapcli.c b/vnet/vnet/unix/tapcli.c
index d23e6fea64f..db634f710fe 100644
--- a/vnet/vnet/unix/tapcli.c
+++ b/vnet/vnet/unix/tapcli.c
@@ -39,10 +39,6 @@
#include <vnet/ethernet/ethernet.h>
-#if DPDK == 1
-#include <vnet/devices/dpdk/dpdk.h>
-#endif
-
#include <vnet/feature/feature.h>
#include <vnet/devices/devices.h>
#include <vnet/unix/tapcli.h>
@@ -343,9 +339,6 @@ static uword tapcli_rx_iface(vlib_main_t * vm,
(n_bytes_in_packet > buffer_size) ? n_bytes_in_packet - buffer_size : 0;
b_first->flags |= VLIB_BUFFER_TOTAL_LENGTH_VALID;
- /* Ensure mbufs are updated */
- vlib_buffer_chain_validate(vm, b_first);
-
VLIB_BUFFER_TRACE_TRAJECTORY_INIT(b_first);
vnet_buffer (b_first)->sw_if_index[VLIB_RX] = ti->sw_if_index;
diff --git a/vnet/vnet/unix/tuntap.c b/vnet/vnet/unix/tuntap.c
index dbb6f309045..4a5dd676a68 100644
--- a/vnet/vnet/unix/tuntap.c
+++ b/vnet/vnet/unix/tuntap.c
@@ -50,10 +50,6 @@
#include <vnet/devices/devices.h>
#include <vnet/feature/feature.h>
-#if DPDK == 1
-#include <vnet/devices/dpdk/dpdk.h>
-#endif
-
static vnet_device_class_t tuntap_dev_class;
static vnet_hw_interface_class_t tuntap_interface_class;
@@ -233,13 +229,6 @@ tuntap_rx (vlib_main_t * vm,
vlib_buffer_t * b;
u32 bi;
const uword buffer_size = VLIB_BUFFER_DATA_SIZE;
-#if DPDK == 0
- u32 free_list_index = VLIB_BUFFER_DEFAULT_FREE_LIST_INDEX;
-#else
- dpdk_main_t * dm = &dpdk_main;
- u32 free_list_index = dm->vlib_buffer_free_list_index;
- struct rte_mbuf *first_mb = NULL, *prev_mb = NULL;
-#endif
/** Make sure we have some RX buffers. */
{
@@ -251,9 +240,7 @@ tuntap_rx (vlib_main_t * vm,
if (! tm->rx_buffers)
vec_alloc (tm->rx_buffers, VLIB_FRAME_SIZE);
- n_alloc = vlib_buffer_alloc_from_free_list
- (vm, tm->rx_buffers + n_left, VLIB_FRAME_SIZE - n_left,
- free_list_index);
+ n_alloc = vlib_buffer_alloc (vm, tm->rx_buffers + n_left, VLIB_FRAME_SIZE - n_left);
_vec_len (tm->rx_buffers) = n_left + n_alloc;
}
}
@@ -289,46 +276,21 @@ tuntap_rx (vlib_main_t * vm,
while (1)
{
-#if DPDK == 1
- struct rte_mbuf * mb;
-#endif
b = vlib_get_buffer (vm, tm->rx_buffers[i_rx]);
-#if DPDK == 1
- mb = rte_mbuf_from_vlib_buffer(b);
-
- if (first_mb == NULL)
- first_mb = mb;
-
- if (prev_mb != NULL)
- {
- prev_mb->next = mb;
- first_mb->nb_segs++;
- }
-#endif
b->flags = 0;
b->current_data = 0;
b->current_length = n_bytes_left < buffer_size ? n_bytes_left : buffer_size;
n_bytes_left -= buffer_size;
-#if DPDK == 1
- rte_pktmbuf_data_len (mb) = b->current_length;
- mb->data_off = RTE_PKTMBUF_HEADROOM + b->current_data;
-#endif
if (n_bytes_left <= 0)
{
-#if DPDK == 1
- rte_pktmbuf_pkt_len (first_mb) = n_bytes_in_packet;
-#endif
break;
}
i_rx--;
b->flags |= VLIB_BUFFER_NEXT_PRESENT;
b->next_buffer = tm->rx_buffers[i_rx];
-#if DPDK == 1
- prev_mb = mb;
-#endif
}
/** Interface counters for tuntap interface. */