*/
#include <linux/if_packet.h>
+#include <sys/socket.h>
+#include <sys/ioctl.h>
+#include <net/if.h>
+#include <net/if_arp.h>
#include <vlib/vlib.h>
#include <vlib/unix/unix.h>
#include <vnet/ip/ip.h>
#include <vnet/ethernet/ethernet.h>
+#include <vnet/ip/ip4_packet.h>
+#include <vnet/ip/ip6_packet.h>
+#include <vnet/ip/ip_psh_cksum.h>
+#include <vnet/tcp/tcp_packet.h>
+#include <vnet/udp/udp_packet.h>
#include <vnet/devices/af_packet/af_packet.h>
+#include <vnet/devices/virtio/virtio_std.h>
#define foreach_af_packet_tx_func_error \
_(FRAME_NOT_READY, "tx frame not ready") \
#undef _
};
-
-static u8 *
+typedef struct
+{
+ u32 buffer_index;
+ u32 hw_if_index;
+ u16 queue_id;
+ tpacket3_hdr_t tph;
+ vnet_virtio_net_hdr_t vnet_hdr;
+ vlib_buffer_t buffer;
+} af_packet_tx_trace_t;
+
+#ifndef CLIB_MARCH_VARIANT
+u8 *
format_af_packet_device_name (u8 * s, va_list * args)
{
u32 i = va_arg (*args, u32);
s = format (s, "host-%s", apif->host_if_name);
return s;
}
+#endif /* CLIB_MARCH_VARIANT */
static u8 *
format_af_packet_device (u8 * s, va_list * args)
{
+ u32 dev_instance = va_arg (*args, u32);
+ u32 indent = format_get_indent (s);
+ int __clib_unused verbose = va_arg (*args, int);
+
+ af_packet_main_t *apm = &af_packet_main;
+ af_packet_if_t *apif = pool_elt_at_index (apm->interfaces, dev_instance);
+ af_packet_queue_t *rx_queue = 0;
+ af_packet_queue_t *tx_queue = 0;
+
s = format (s, "Linux PACKET socket interface");
+
+ vec_foreach (rx_queue, apif->rx_queues)
+ {
+ u32 rx_block_size = rx_queue->rx_req->tp_block_size;
+ u32 rx_frame_size = rx_queue->rx_req->tp_frame_size;
+ u32 rx_frame_nr = rx_queue->rx_req->tp_frame_nr;
+ u32 rx_block_nr = rx_queue->rx_req->tp_block_nr;
+
+ s = format (s, "\n%URX Queue %u:", format_white_space, indent,
+ rx_queue->queue_id);
+ s = format (s, "\n%Ublock size:%d nr:%d frame size:%d nr:%d",
+ format_white_space, indent + 2, rx_block_size, rx_block_nr,
+ rx_frame_size, rx_frame_nr);
+ s = format (s, " next block:%d", rx_queue->next_rx_block);
+ if (rx_queue->is_rx_pending)
+ {
+ s = format (
+ s, "\n%UPending Request: num-rx-pkts:%d next-frame-offset:%d",
+ format_white_space, indent + 2, rx_queue->num_rx_pkts,
+ rx_queue->rx_frame_offset);
+ }
+ }
+
+ vec_foreach (tx_queue, apif->tx_queues)
+ {
+ clib_spinlock_lock (&tx_queue->lockp);
+ u32 tx_block_sz = tx_queue->tx_req->tp_block_size;
+ u32 tx_frame_sz = tx_queue->tx_req->tp_frame_size;
+ u32 tx_frame_nr = tx_queue->tx_req->tp_frame_nr;
+ u32 tx_block_nr = tx_queue->tx_req->tp_block_nr;
+ int block = 0;
+ int n_send_req = 0, n_avail = 0, n_sending = 0, n_tot = 0, n_wrong = 0;
+ u8 *tx_block_start = tx_queue->tx_ring[block];
+ u32 tx_frame = tx_queue->next_tx_frame;
+ tpacket3_hdr_t *tph;
+
+ s = format (s, "\n%UTX Queue %u:", format_white_space, indent,
+ tx_queue->queue_id);
+ s = format (s, "\n%Ublock size:%d nr:%d frame size:%d nr:%d",
+ format_white_space, indent + 2, tx_block_sz, tx_block_nr,
+ tx_frame_sz, tx_frame_nr);
+ s = format (s, " next frame:%d", tx_queue->next_tx_frame);
+
+ do
+ {
+ tph = (tpacket3_hdr_t *) (tx_block_start + tx_frame * tx_frame_sz);
+ tx_frame = (tx_frame + 1) % tx_frame_nr;
+ if (tph->tp_status == 0)
+ n_avail++;
+ else if (tph->tp_status & TP_STATUS_SEND_REQUEST)
+ n_send_req++;
+ else if (tph->tp_status & TP_STATUS_SENDING)
+ n_sending++;
+ else
+ n_wrong++;
+ n_tot++;
+ }
+ while (tx_frame != tx_queue->next_tx_frame);
+ s =
+ format (s, "\n%Uavailable:%d request:%d sending:%d wrong:%d total:%d",
+ format_white_space, indent + 2, n_avail, n_send_req, n_sending,
+ n_wrong, n_tot);
+ clib_spinlock_unlock (&tx_queue->lockp);
+ }
return s;
}
static u8 *
-format_af_packet_tx_trace (u8 * s, va_list * args)
+format_af_packet_tx_trace (u8 *s, va_list *va)
{
- s = format (s, "Unimplemented...");
+ CLIB_UNUSED (vlib_main_t * vm) = va_arg (*va, vlib_main_t *);
+ CLIB_UNUSED (vlib_node_t * node) = va_arg (*va, vlib_node_t *);
+ af_packet_tx_trace_t *t = va_arg (*va, af_packet_tx_trace_t *);
+ u32 indent = format_get_indent (s);
+
+ s = format (s, "af_packet: hw_if_index %u tx-queue %u", t->hw_if_index,
+ t->queue_id);
+
+ s =
+ format (s,
+ "\n%Utpacket3_hdr:\n%Ustatus 0x%x len %u snaplen %u mac %u net %u"
+ "\n%Usec 0x%x nsec 0x%x vlan %U"
+#ifdef TP_STATUS_VLAN_TPID_VALID
+ " vlan_tpid %u"
+#endif
+ ,
+ format_white_space, indent + 2, format_white_space, indent + 4,
+ t->tph.tp_status, t->tph.tp_len, t->tph.tp_snaplen, t->tph.tp_mac,
+ t->tph.tp_net, format_white_space, indent + 4, t->tph.tp_sec,
+ t->tph.tp_nsec, format_ethernet_vlan_tci, t->tph.hv1.tp_vlan_tci
+#ifdef TP_STATUS_VLAN_TPID_VALID
+ ,
+ t->tph.hv1.tp_vlan_tpid
+#endif
+ );
+
+ s = format (s,
+ "\n%Uvnet-hdr:\n%Uflags 0x%02x gso_type 0x%02x hdr_len %u"
+ "\n%Ugso_size %u csum_start %u csum_offset %u",
+ format_white_space, indent + 2, format_white_space, indent + 4,
+ t->vnet_hdr.flags, t->vnet_hdr.gso_type, t->vnet_hdr.hdr_len,
+ format_white_space, indent + 4, t->vnet_hdr.gso_size,
+ t->vnet_hdr.csum_start, t->vnet_hdr.csum_offset);
+
+ s = format (s, "\n%Ubuffer 0x%x:\n%U%U", format_white_space, indent + 2,
+ t->buffer_index, format_white_space, indent + 4,
+ format_vnet_buffer_no_chain, &t->buffer);
+ s = format (s, "\n%U%U", format_white_space, indent + 2,
+ format_ethernet_header_with_length, t->buffer.pre_data,
+ sizeof (t->buffer.pre_data));
return s;
}
-static uword
-af_packet_interface_tx (vlib_main_t * vm,
- vlib_node_runtime_t * node, vlib_frame_t * frame)
+static void
+af_packet_tx_trace (vlib_main_t *vm, vlib_node_runtime_t *node,
+ vlib_buffer_t *b0, u32 bi, tpacket3_hdr_t *tph,
+ vnet_virtio_net_hdr_t *vnet_hdr, u32 hw_if_index,
+ u16 queue_id)
+{
+ af_packet_tx_trace_t *t;
+ t = vlib_add_trace (vm, node, b0, sizeof (t[0]));
+ t->hw_if_index = hw_if_index;
+ t->queue_id = queue_id;
+ t->buffer_index = bi;
+
+ clib_memcpy_fast (&t->tph, tph, sizeof (*tph));
+ clib_memcpy_fast (&t->vnet_hdr, vnet_hdr, sizeof (*vnet_hdr));
+ clib_memcpy_fast (&t->buffer, b0, sizeof (*b0) - sizeof (b0->pre_data));
+ clib_memcpy_fast (t->buffer.pre_data, vlib_buffer_get_current (b0),
+ sizeof (t->buffer.pre_data));
+}
+
+static_always_inline void
+fill_gso_offload (vlib_buffer_t *b0, vnet_virtio_net_hdr_t *vnet_hdr)
+{
+ vnet_buffer_oflags_t oflags = vnet_buffer (b0)->oflags;
+ if (b0->flags & VNET_BUFFER_F_IS_IP4)
+ {
+ ip4_header_t *ip4;
+ vnet_hdr->gso_type = VIRTIO_NET_HDR_GSO_TCPV4;
+ vnet_hdr->gso_size = vnet_buffer2 (b0)->gso_size;
+ vnet_hdr->hdr_len =
+ vnet_buffer (b0)->l4_hdr_offset + vnet_buffer2 (b0)->gso_l4_hdr_sz;
+ vnet_hdr->flags = VIRTIO_NET_HDR_F_NEEDS_CSUM;
+ vnet_hdr->csum_start = vnet_buffer (b0)->l4_hdr_offset; // 0x22;
+ vnet_hdr->csum_offset = STRUCT_OFFSET_OF (tcp_header_t, checksum);
+ ip4 = (ip4_header_t *) (vlib_buffer_get_current (b0) +
+ vnet_buffer (b0)->l3_hdr_offset);
+ if (oflags & VNET_BUFFER_OFFLOAD_F_IP_CKSUM)
+ ip4->checksum = ip4_header_checksum (ip4);
+ }
+ else if (b0->flags & VNET_BUFFER_F_IS_IP6)
+ {
+ vnet_hdr->gso_type = VIRTIO_NET_HDR_GSO_TCPV6;
+ vnet_hdr->gso_size = vnet_buffer2 (b0)->gso_size;
+ vnet_hdr->hdr_len =
+ vnet_buffer (b0)->l4_hdr_offset + vnet_buffer2 (b0)->gso_l4_hdr_sz;
+ vnet_hdr->flags = VIRTIO_NET_HDR_F_NEEDS_CSUM;
+ vnet_hdr->csum_start = vnet_buffer (b0)->l4_hdr_offset; // 0x36;
+ vnet_hdr->csum_offset = STRUCT_OFFSET_OF (tcp_header_t, checksum);
+ }
+}
+
+static_always_inline void
+fill_cksum_offload (vlib_buffer_t *b0, vnet_virtio_net_hdr_t *vnet_hdr)
+{
+ vnet_buffer_oflags_t oflags = vnet_buffer (b0)->oflags;
+ if (b0->flags & VNET_BUFFER_F_IS_IP4)
+ {
+ ip4_header_t *ip4;
+ ip4 = (ip4_header_t *) (vlib_buffer_get_current (b0) +
+ vnet_buffer (b0)->l3_hdr_offset);
+ if (oflags & VNET_BUFFER_OFFLOAD_F_IP_CKSUM)
+ ip4->checksum = ip4_header_checksum (ip4);
+ vnet_hdr->flags = VIRTIO_NET_HDR_F_NEEDS_CSUM;
+ vnet_hdr->csum_start = 0x22;
+ if (oflags & VNET_BUFFER_OFFLOAD_F_TCP_CKSUM)
+ {
+ tcp_header_t *tcp =
+ (tcp_header_t *) (vlib_buffer_get_current (b0) +
+ vnet_buffer (b0)->l4_hdr_offset);
+ tcp->checksum = ip4_pseudo_header_cksum (ip4);
+ vnet_hdr->csum_offset = STRUCT_OFFSET_OF (tcp_header_t, checksum);
+ }
+ else if (oflags & VNET_BUFFER_OFFLOAD_F_UDP_CKSUM)
+ {
+ udp_header_t *udp =
+ (udp_header_t *) (vlib_buffer_get_current (b0) +
+ vnet_buffer (b0)->l4_hdr_offset);
+ udp->checksum = ip4_pseudo_header_cksum (ip4);
+ vnet_hdr->csum_offset = STRUCT_OFFSET_OF (udp_header_t, checksum);
+ }
+ }
+ else if (b0->flags & VNET_BUFFER_F_IS_IP6)
+ {
+ ip6_header_t *ip6;
+ vnet_hdr->flags = VIRTIO_NET_HDR_F_NEEDS_CSUM;
+ vnet_hdr->csum_start = 0x36;
+ ip6 = (ip6_header_t *) (vlib_buffer_get_current (b0) +
+ vnet_buffer (b0)->l3_hdr_offset);
+ if (oflags & VNET_BUFFER_OFFLOAD_F_TCP_CKSUM)
+ {
+ tcp_header_t *tcp =
+ (tcp_header_t *) (vlib_buffer_get_current (b0) +
+ vnet_buffer (b0)->l4_hdr_offset);
+ tcp->checksum = ip6_pseudo_header_cksum (ip6);
+ vnet_hdr->csum_offset = STRUCT_OFFSET_OF (tcp_header_t, checksum);
+ }
+ else if (oflags & VNET_BUFFER_OFFLOAD_F_UDP_CKSUM)
+ {
+ udp_header_t *udp =
+ (udp_header_t *) (vlib_buffer_get_current (b0) +
+ vnet_buffer (b0)->l4_hdr_offset);
+ udp->checksum = ip6_pseudo_header_cksum (ip6);
+ vnet_hdr->csum_offset = STRUCT_OFFSET_OF (udp_header_t, checksum);
+ }
+ }
+}
+
+VNET_DEVICE_CLASS_TX_FN (af_packet_device_class) (vlib_main_t * vm,
+ vlib_node_runtime_t * node,
+ vlib_frame_t * frame)
{
af_packet_main_t *apm = &af_packet_main;
- u32 *buffers = vlib_frame_args (frame);
+ vnet_hw_if_tx_frame_t *tf = vlib_frame_scalar_args (frame);
+ u32 *buffers = vlib_frame_vector_args (frame);
u32 n_left = frame->n_vectors;
u32 n_sent = 0;
vnet_interface_output_runtime_t *rd = (void *) node->runtime_data;
af_packet_if_t *apif =
pool_elt_at_index (apm->interfaces, rd->dev_instance);
- int block = 0;
- u32 block_size = apif->tx_req->tp_block_size;
- u32 frame_size = apif->tx_req->tp_frame_size;
- u32 frame_num = apif->tx_req->tp_frame_nr;
- u8 *block_start = apif->tx_ring + block * block_size;
- u32 tx_frame = apif->next_tx_frame;
- struct tpacket2_hdr *tph;
+ u16 queue_id = tf->queue_id;
+ af_packet_queue_t *tx_queue = vec_elt_at_index (apif->tx_queues, queue_id);
+ u32 block = 0, frame_size = 0, frame_num = 0, tx_frame = 0;
+ u8 *block_start = 0;
+ tpacket3_hdr_t *tph = 0;
u32 frame_not_ready = 0;
+ u8 is_cksum_gso_enabled = (apif->is_cksum_gso_enabled == 1) ? 1 : 0;
- if (PREDICT_FALSE (apif->lockp != 0))
- {
- while (__sync_lock_test_and_set (apif->lockp, 1))
- ;
- }
+ if (tf->shared_queue)
+ clib_spinlock_lock (&tx_queue->lockp);
+
+ frame_size = tx_queue->tx_req->tp_frame_size;
+ frame_num = tx_queue->tx_req->tp_frame_nr;
+ block_start = tx_queue->tx_ring[block];
+ tx_frame = tx_queue->next_tx_frame;
- while (n_left > 0)
+ while (n_left)
{
u32 len;
+ vnet_virtio_net_hdr_t *vnet_hdr = 0;
u32 offset = 0;
- vlib_buffer_t *b0;
+ vlib_buffer_t *b0 = 0, *b0_first = 0;
+ u32 bi, bi_first;
+
+ bi = bi_first = buffers[0];
n_left--;
- u32 bi = buffers[0];
buffers++;
- tph = (struct tpacket2_hdr *) (block_start + tx_frame * frame_size);
-
- if (PREDICT_FALSE
- (tph->tp_status & (TP_STATUS_SEND_REQUEST | TP_STATUS_SENDING)))
+ tph = (tpacket3_hdr_t *) (block_start + tx_frame * frame_size);
+ if (PREDICT_FALSE (tph->tp_status &
+ (TP_STATUS_SEND_REQUEST | TP_STATUS_SENDING)))
{
frame_not_ready++;
goto next;
}
- do
+ b0_first = b0 = vlib_get_buffer (vm, bi);
+
+ if (PREDICT_TRUE (is_cksum_gso_enabled))
+ {
+ vnet_hdr =
+ (vnet_virtio_net_hdr_t *) ((u8 *) tph + TPACKET_ALIGN (sizeof (
+ tpacket3_hdr_t)));
+
+ clib_memset_u8 (vnet_hdr, 0, sizeof (vnet_virtio_net_hdr_t));
+ offset = sizeof (vnet_virtio_net_hdr_t);
+
+ if (b0->flags & VNET_BUFFER_F_GSO)
+ fill_gso_offload (b0, vnet_hdr);
+ else if (b0->flags & VNET_BUFFER_F_OFFLOAD)
+ fill_cksum_offload (b0, vnet_hdr);
+ }
+
+ len = b0->current_length;
+ clib_memcpy_fast ((u8 *) tph + TPACKET_ALIGN (sizeof (tpacket3_hdr_t)) +
+ offset,
+ vlib_buffer_get_current (b0), len);
+ offset += len;
+
+ while (b0->flags & VLIB_BUFFER_NEXT_PRESENT)
{
- b0 = vlib_get_buffer (vm, bi);
+ b0 = vlib_get_buffer (vm, b0->next_buffer);
len = b0->current_length;
- clib_memcpy ((u8 *) tph +
- TPACKET_ALIGN (sizeof (struct tpacket2_hdr)) + offset,
- vlib_buffer_get_current (b0), len);
+ clib_memcpy_fast ((u8 *) tph +
+ TPACKET_ALIGN (sizeof (tpacket3_hdr_t)) + offset,
+ vlib_buffer_get_current (b0), len);
offset += len;
}
- while ((bi = b0->next_buffer));
tph->tp_len = tph->tp_snaplen = offset;
tph->tp_status = TP_STATUS_SEND_REQUEST;
n_sent++;
+
+ if (PREDICT_FALSE (b0_first->flags & VLIB_BUFFER_IS_TRACED))
+ {
+ if (PREDICT_TRUE (is_cksum_gso_enabled))
+ af_packet_tx_trace (vm, node, b0_first, bi_first, tph, vnet_hdr,
+ apif->hw_if_index, queue_id);
+ else
+ {
+ vnet_virtio_net_hdr_t vnet_hdr2 = {};
+ af_packet_tx_trace (vm, node, b0_first, bi_first, tph,
+ &vnet_hdr2, apif->hw_if_index, queue_id);
+ }
+ }
+ tx_frame = (tx_frame + 1) % frame_num;
+
next:
/* check if we've exhausted the ring */
if (PREDICT_FALSE (frame_not_ready + n_sent == frame_num))
break;
-
- tx_frame = (tx_frame + 1) % frame_num;
}
CLIB_MEMORY_BARRIER ();
if (PREDICT_TRUE (n_sent))
{
- apif->next_tx_frame = tx_frame;
+ tx_queue->next_tx_frame = tx_frame;
- if (PREDICT_FALSE (sendto (apif->fd, NULL, 0,
- MSG_DONTWAIT, NULL, 0) == -1))
+ if (PREDICT_FALSE (
+ sendto (tx_queue->fd, NULL, 0, MSG_DONTWAIT, NULL, 0) == -1))
{
/* Uh-oh, drop & move on, but count whether it was fatal or not.
* Note that we have no reliable way to properly determine the
*/
vlib_error_count (vm, node->node_index,
unix_error_is_fatal (errno) ?
- AF_PACKET_TX_ERROR_TXRING_FATAL :
- AF_PACKET_TX_ERROR_TXRING_EAGAIN, n_sent);
+ AF_PACKET_TX_ERROR_TXRING_FATAL :
+ AF_PACKET_TX_ERROR_TXRING_EAGAIN,
+ n_sent);
}
}
- if (PREDICT_FALSE (apif->lockp != 0))
- *apif->lockp = 0;
+ if (tf->shared_queue)
+ clib_spinlock_unlock (&tx_queue->lockp);
if (PREDICT_FALSE (frame_not_ready))
vlib_error_count (vm, node->node_index,
vlib_error_count (vm, node->node_index, AF_PACKET_TX_ERROR_TXRING_OVERRUN,
n_left);
- vlib_buffer_free (vm, vlib_frame_args (frame), frame->n_vectors);
+ vlib_buffer_free (vm, vlib_frame_vector_args (frame), frame->n_vectors);
return frame->n_vectors;
}
af_packet_if_t *apif =
pool_elt_at_index (apm->interfaces, hw->dev_instance);
u32 hw_flags;
+ int rv, fd = socket (AF_UNIX, SOCK_DGRAM, 0);
+ struct ifreq ifr;
+
+ if (0 > fd)
+ {
+ vlib_log_warn (apm->log_class, "af_packet_%s could not open socket",
+ apif->host_if_name);
+ return 0;
+ }
+
+ /* if interface is a bridge ignore */
+ if (apif->host_if_index < 0)
+ goto error; /* no error */
+
+ /* use host_if_index in case host name has changed */
+ ifr.ifr_ifindex = apif->host_if_index;
+ if ((rv = ioctl (fd, SIOCGIFNAME, &ifr)) < 0)
+ {
+ vlib_log_warn (apm->log_class,
+ "af_packet_%s ioctl could not retrieve eth name",
+ apif->host_if_name);
+ goto error;
+ }
apif->is_admin_up = (flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP) != 0;
+ if ((rv = ioctl (fd, SIOCGIFFLAGS, &ifr)) < 0)
+ {
+ vlib_log_warn (apm->log_class, "af_packet_%s error: %d",
+ apif->is_admin_up ? "up" : "down", rv);
+ goto error;
+ }
+
if (apif->is_admin_up)
- hw_flags = VNET_HW_INTERFACE_FLAG_LINK_UP;
+ {
+ hw_flags = VNET_HW_INTERFACE_FLAG_LINK_UP;
+ ifr.ifr_flags |= IFF_UP;
+ }
else
- hw_flags = 0;
+ {
+ hw_flags = 0;
+ ifr.ifr_flags &= ~IFF_UP;
+ }
+
+ if ((rv = ioctl (fd, SIOCSIFFLAGS, &ifr)) < 0)
+ {
+ vlib_log_warn (apm->log_class, "af_packet_%s error: %d",
+ apif->is_admin_up ? "up" : "down", rv);
+ goto error;
+ }
vnet_hw_interface_set_flags (vnm, hw_if_index, hw_flags);
- return 0;
+error:
+ if (0 <= fd)
+ close (fd);
+
+ return 0; /* no error */
}
static clib_error_t *
return 0;
}
-/* *INDENT-OFF* */
+static clib_error_t *af_packet_set_mac_address_function
+ (struct vnet_hw_interface_t *hi, const u8 * old_address, const u8 * address)
+{
+ af_packet_main_t *apm = &af_packet_main;
+ af_packet_if_t *apif =
+ pool_elt_at_index (apm->interfaces, hi->dev_instance);
+ int rv, fd;
+ struct ifreq ifr;
+
+ if (apif->mode == AF_PACKET_IF_MODE_IP)
+ {
+ vlib_log_warn (apm->log_class, "af_packet_%s interface is in IP mode",
+ apif->host_if_name);
+ return clib_error_return (0,
+ " MAC update failed, interface is in IP mode");
+ }
+
+ fd = socket (AF_UNIX, SOCK_DGRAM, 0);
+ if (0 > fd)
+ {
+ vlib_log_warn (apm->log_class, "af_packet_%s could not open socket",
+ apif->host_if_name);
+ return 0;
+ }
+
+ /* if interface is a bridge ignore */
+ if (apif->host_if_index < 0)
+ goto error; /* no error */
+
+ /* use host_if_index in case host name has changed */
+ ifr.ifr_ifindex = apif->host_if_index;
+ if ((rv = ioctl (fd, SIOCGIFNAME, &ifr)) < 0)
+ {
+ vlib_log_warn
+ (apm->log_class,
+ "af_packet_%s ioctl could not retrieve eth name, error: %d",
+ apif->host_if_name, rv);
+ goto error;
+ }
+
+ clib_memcpy (ifr.ifr_hwaddr.sa_data, address, 6);
+ ifr.ifr_hwaddr.sa_family = ARPHRD_ETHER;
+
+ if ((rv = ioctl (fd, SIOCSIFHWADDR, &ifr)) < 0)
+ {
+ vlib_log_warn (apm->log_class,
+ "af_packet_%s ioctl could not set mac, error: %d",
+ apif->host_if_name, rv);
+ goto error;
+ }
+
+error:
+
+ if (0 <= fd)
+ close (fd);
+
+ return 0; /* no error */
+}
+
VNET_DEVICE_CLASS (af_packet_device_class) = {
.name = "af-packet",
- .tx_function = af_packet_interface_tx,
.format_device_name = format_af_packet_device_name,
.format_device = format_af_packet_device,
.format_tx_trace = format_af_packet_tx_trace,
.clear_counters = af_packet_clear_hw_interface_counters,
.admin_up_down_function = af_packet_interface_admin_up_down,
.subif_add_del_function = af_packet_subif_add_del_function,
+ .mac_addr_change_function = af_packet_set_mac_address_function,
};
-VLIB_DEVICE_TX_FUNCTION_MULTIARCH (af_packet_device_class,
- af_packet_interface_tx)
-/* *INDENT-ON* */
-
/*
* fd.io coding-style-patch-verification: ON
*
Code Review / vpp.git / blobdiff