*/
#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>
};
-static u8 *
+u8 *
format_af_packet_device_name (u8 * s, va_list * args)
{
u32 i = va_arg (*args, u32);
vlib_node_runtime_t * node, vlib_frame_t * frame)
{
af_packet_main_t *apm = &af_packet_main;
- u32 *buffers = vlib_frame_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);
+ clib_spinlock_lock_if_init (&apif->lockp);
int block = 0;
u32 block_size = apif->tx_req->tp_block_size;
u32 frame_size = apif->tx_req->tp_frame_size;
struct tpacket2_hdr *tph;
u32 frame_not_ready = 0;
- clib_spinlock_lock_if_init (&apif->lockp);
-
while (n_left > 0)
{
u32 len;
{
b0 = vlib_get_buffer (vm, bi);
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 (struct tpacket2_hdr)) +
+ offset, vlib_buffer_get_current (b0), len);
offset += len;
}
while ((bi =
tph->tp_status = TP_STATUS_SEND_REQUEST;
n_sent++;
next:
+ tx_frame = (tx_frame + 1) % frame_num;
+
/* 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 ();
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;
}
+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 = 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, 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 */
+}
+
/* *INDENT-OFF* */
VNET_DEVICE_CLASS (af_packet_device_class) = {
.name = "af-packet",
.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,