diff options
Diffstat (limited to 'src/vnet')
| -rw-r--r-- | src/vnet/devices/af_packet/device.c | 48 |
1 files changed, 47 insertions, 1 deletions
diff --git a/src/vnet/devices/af_packet/device.c b/src/vnet/devices/af_packet/device.c index 2a17e6b3456..4607d888ac9 100644 --- a/src/vnet/devices/af_packet/device.c +++ b/src/vnet/devices/af_packet/device.c @@ -18,8 +18,10 @@ */ #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> @@ -212,7 +214,7 @@ af_packet_interface_admin_up_down (vnet_main_t * vnm, u32 hw_if_index, /* if interface is a bridge ignore */ if (apif->host_if_index < 0) - return 0; /* no error */ + goto error; /* no error */ /* use host_if_index in case host name has changed */ ifr.ifr_ifindex = apif->host_if_index; @@ -220,6 +222,7 @@ af_packet_interface_admin_up_down (vnet_main_t * vnm, u32 hw_if_index, { clib_unix_warning ("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; @@ -228,6 +231,7 @@ af_packet_interface_admin_up_down (vnet_main_t * vnm, u32 hw_if_index, { clib_unix_warning ("af_packet_%s error: %d", apif->is_admin_up ? "up" : "down", rv); + goto error; } if (apif->is_admin_up) @@ -245,10 +249,12 @@ af_packet_interface_admin_up_down (vnet_main_t * vnm, u32 hw_if_index, { clib_unix_warning ("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); +error: close (fd); return 0; /* no error */ @@ -263,6 +269,45 @@ af_packet_subif_add_del_function (vnet_main_t * vnm, return 0; } +static clib_error_t *af_packet_set_mac_address_function + (struct vnet_hw_interface_t *hi, char *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 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) + { + clib_unix_warning + ("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) + { + clib_unix_warning ("af_packet_%s ioctl could not set mac, error: %d", + apif->host_if_name, rv); + goto error; + } + +error: + close (fd); + + return 0; /* no error */ +} + /* *INDENT-OFF* */ VNET_DEVICE_CLASS (af_packet_device_class) = { .name = "af-packet", @@ -276,6 +321,7 @@ VNET_DEVICE_CLASS (af_packet_device_class) = { .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, |