static vnet_device_class_t tapcli_dev_class;
static vnet_hw_interface_class_t tapcli_interface_class;
+static vlib_node_registration_t tapcli_rx_node;
static void tapcli_nopunt_frame (vlib_main_t * vm,
vlib_node_runtime_t * node,
u8 active; /* for delete */
} tapcli_interface_t;
+typedef struct {
+ u16 sw_if_index;
+} tapcli_rx_trace_t;
+
+u8 * format_tapcli_rx_trace (u8 * s, va_list * va)
+{
+ CLIB_UNUSED (vlib_main_t * vm) = va_arg (*va, vlib_main_t *);
+ CLIB_UNUSED (vlib_node_t * node) = va_arg (*va, vlib_node_t *);
+ vnet_main_t * vnm = vnet_get_main();
+ tapcli_rx_trace_t * t = va_arg (*va, tapcli_rx_trace_t *);
+ s = format (s, "%U", format_vnet_sw_if_index_name,
+ vnm, t->sw_if_index);
+ return s;
+}
+
typedef struct {
/* Vector of iovecs for readv/writev calls. */
struct iovec * iovecs;
TAPCLI_RX_N_NEXT,
};
+
+
+static uword tapcli_rx_iface(vlib_main_t * vm,
+ vlib_node_runtime_t * node,
+ tapcli_interface_t * ti)
+{
+ tapcli_main_t * tm = &tapcli_main;
+ const uword buffer_size = VLIB_BUFFER_DATA_SIZE;
+ u32 n_trace = vlib_get_trace_count (vm, node);
+ u8 set_trace = 0;
+
+ vnet_main_t *vnm;
+ vnet_sw_interface_t * si;
+ u8 admin_down;
+ u32 next = node->cached_next_index;
+ u32 n_left_to_next, next_index;
+ u32 *to_next;
+
+ vnm = vnet_get_main();
+ si = vnet_get_sw_interface (vnm, ti->sw_if_index);
+ admin_down = !(si->flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP);
+
+ vlib_get_next_frame(vm, node, next, to_next, n_left_to_next);
+
+ while (n_left_to_next) { // Fill at most one vector
+ vlib_buffer_t *b_first, *b, *prev;
+ u32 bi_first, bi;
+ word n_bytes_in_packet;
+ int j, n_bytes_left;
+
+ if (PREDICT_FALSE(vec_len(tm->rx_buffers) < tm->mtu_buffers)) {
+ uword len = vec_len(tm->rx_buffers);
+ _vec_len(tm->rx_buffers) +=
+ vlib_buffer_alloc_from_free_list(vm, &tm->rx_buffers[len],
+ VLIB_FRAME_SIZE - len, VLIB_BUFFER_DEFAULT_FREE_LIST_INDEX);
+ if (PREDICT_FALSE(vec_len(tm->rx_buffers) < tm->mtu_buffers)) {
+ clib_warning("vlib_buffer_alloc failed");
+ break;
+ }
+ }
+
+ uword i_rx = vec_len (tm->rx_buffers) - 1;
+
+ /* Allocate RX buffers from end of rx_buffers.
+ Turn them into iovecs to pass to readv. */
+ vec_validate (tm->iovecs, tm->mtu_buffers - 1);
+ for (j = 0; j < tm->mtu_buffers; j++) {
+ b = vlib_get_buffer (vm, tm->rx_buffers[i_rx - j]);
+ b->clone_count = 0;
+ tm->iovecs[j].iov_base = b->data;
+ tm->iovecs[j].iov_len = buffer_size;
+ }
+
+ n_bytes_left = readv (ti->unix_fd, tm->iovecs, tm->mtu_buffers);
+ n_bytes_in_packet = n_bytes_left;
+ if (n_bytes_left <= 0) {
+ if (errno != EAGAIN) {
+ vlib_node_increment_counter(vm, tapcli_rx_node.index,
+ TAPCLI_ERROR_READ, 1);
+ }
+ break;
+ }
+
+ bi_first = tm->rx_buffers[i_rx];
+ b = b_first = vlib_get_buffer (vm, tm->rx_buffers[i_rx]);
+ prev = NULL;
+
+ while (1) {
+ b->current_length = n_bytes_left < buffer_size ? n_bytes_left : buffer_size;
+ n_bytes_left -= buffer_size;
+
+ if (prev) {
+ prev->next_buffer = bi;
+ prev->flags |= VLIB_BUFFER_NEXT_PRESENT;
+ }
+ prev = b;
+
+ /* last segment */
+ if (n_bytes_left <= 0)
+ break;
+
+ i_rx--;
+ bi = tm->rx_buffers[i_rx];
+ b = vlib_get_buffer (vm, bi);
+ }
+
+ _vec_len (tm->rx_buffers) = i_rx;
+
+ b_first->total_length_not_including_first_buffer =
+ (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;
+ vnet_buffer (b_first)->sw_if_index[VLIB_TX] = (u32)~0;
+
+ b_first->error = node->errors[TAPCLI_ERROR_NONE];
+ next_index = TAPCLI_RX_NEXT_ETHERNET_INPUT;
+ next_index = (ti->per_interface_next_index != ~0) ?
+ ti->per_interface_next_index : next_index;
+ next_index = admin_down ? TAPCLI_RX_NEXT_DROP : next_index;
+
+ to_next[0] = bi_first;
+ to_next++;
+ n_left_to_next--;
+
+ vlib_validate_buffer_enqueue_x1 (vm, node, next,
+ to_next, n_left_to_next,
+ bi_first, next_index);
+
+ /* Interface counters for tapcli interface. */
+ if (PREDICT_TRUE(!admin_down)) {
+ vlib_increment_combined_counter (
+ vnet_main.interface_main.combined_sw_if_counters
+ + VNET_INTERFACE_COUNTER_RX,
+ os_get_cpu_number(), ti->sw_if_index,
+ 1, n_bytes_in_packet);
+
+ if (PREDICT_FALSE(n_trace > 0)) {
+ vlib_trace_buffer (vm, node, next_index,
+ b_first, /* follow_chain */ 1);
+ n_trace--;
+ set_trace = 1;
+ tapcli_rx_trace_t *t0 = vlib_add_trace (vm, node, b_first, sizeof (*t0));
+ t0->sw_if_index = si->sw_if_index;
+ }
+ }
+ }
+ vlib_put_next_frame (vm, node, next, n_left_to_next);
+ if (set_trace)
+ vlib_set_trace_count (vm, node, n_trace);
+ return VLIB_FRAME_SIZE - n_left_to_next;
+}
+
static uword
tapcli_rx (vlib_main_t * vm,
vlib_node_runtime_t * node,
vlib_frame_t * frame)
{
tapcli_main_t * tm = &tapcli_main;
- vlib_buffer_t *b_first;
- u32 bi;
- vlib_buffer_free_list_t *fl;
- const uword buffer_size = VLIB_BUFFER_DEFAULT_FREE_LIST_BYTES;
static u32 * ready_interface_indices;
tapcli_interface_t * ti;
int i;
- word n_bytes_in_packet;
+ u32 total_count = 0;
vec_reset_length (ready_interface_indices);
-
- clib_bitmap_foreach (i, tm->pending_read_bitmap,
+ clib_bitmap_foreach (i, tm->pending_read_bitmap,
({
vec_add1 (ready_interface_indices, i);
}));
if (vec_len (ready_interface_indices) == 0)
return 1;
- fl = vlib_buffer_get_free_list(vm, VLIB_BUFFER_DEFAULT_FREE_LIST_INDEX);
-
for (i = 0; i < vec_len(ready_interface_indices); i++)
- {
- /* Clear the "interrupt" bit */
- tm->pending_read_bitmap =
+ {
+ tm->pending_read_bitmap =
clib_bitmap_set (tm->pending_read_bitmap,
ready_interface_indices[i], 0);
-
- ti = vec_elt_at_index (tm->tapcli_interfaces, ready_interface_indices[i]);
-
- /* Make sure we have some RX buffers. */
- {
- uword n_left = vec_len (tm->rx_buffers);
- uword n_alloc;
- if (n_left < VLIB_FRAME_SIZE / 2) {
- vec_validate(tm->rx_buffers, VLIB_FRAME_SIZE + n_left - 1);
- n_alloc = vlib_buffer_alloc(vm, &tm->rx_buffers[n_left], VLIB_FRAME_SIZE);
- n_left += n_alloc;
- _vec_len (tm->rx_buffers) = n_left;
- }
- }
-
- /* Allocate RX buffers from end of rx_buffers.
- Turn them into iovecs to pass to readv. */
- {
- uword i_rx = vec_len (tm->rx_buffers) - 1;
- vlib_buffer_t * b, *prev = 0;
- word j, n_bytes_left;
-
- /* We need enough buffers left for an MTU sized packet. */
- if (PREDICT_FALSE(vec_len (tm->rx_buffers) < tm->mtu_buffers))
- {
- clib_bitmap_set (tm->pending_read_bitmap,
- ready_interface_indices[i], 1);
- clib_warning ("buffer allocation failure");
- continue;
- }
-
- vec_validate (tm->iovecs, tm->mtu_buffers - 1);
- for (j = 0; j < tm->mtu_buffers; j++)
- {
- b = vlib_get_buffer (vm, tm->rx_buffers[i_rx - j]);
- vlib_buffer_init_for_free_list (b, fl);
- tm->iovecs[j].iov_base = b->data;
- tm->iovecs[j].iov_len = buffer_size;
- }
-
- n_bytes_left = readv (ti->unix_fd, tm->iovecs, tm->mtu_buffers);
- n_bytes_in_packet = n_bytes_left;
- if (n_bytes_left <= 0)
- {
- if (errno != EAGAIN)
- clib_unix_warning ("readv %d", n_bytes_left);
- return 0;
- }
-
- bi = tm->rx_buffers[i_rx];
- b = b_first = vlib_get_buffer (vm, tm->rx_buffers[i_rx]);
-
- while (1) {
- u32 bi;
-
- vlib_buffer_init_for_free_list(b, fl);
-
- b->current_length = n_bytes_left < buffer_size ? n_bytes_left : buffer_size;
- n_bytes_left -= buffer_size;
-
- if (prev) {
- prev->next_buffer = bi;
- prev->flags |= VLIB_BUFFER_NEXT_PRESENT;
- }
- prev = b;
-
- /* last segment */
- if (n_bytes_left <= 0) break;
-
- i_rx--;
- bi = tm->rx_buffers[i_rx];
- b = vlib_get_buffer (vm, bi);
- }
-
- /* Interface counters for tapcli interface. */
- vlib_increment_combined_counter
- (vnet_main.interface_main.combined_sw_if_counters
- + VNET_INTERFACE_COUNTER_RX,
- os_get_cpu_number(),
- ti->sw_if_index,
- 1, n_bytes_in_packet);
-
- _vec_len (tm->rx_buffers) = i_rx;
- }
-
- b_first->total_length_not_including_first_buffer = (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);
-
- /*
- * Turn this on if you run into
- * "bad monkey" contexts, and you want to know exactly
- * which nodes they've visited... See .../vlib/vlib/buffer.h
- */
- VLIB_BUFFER_TRACE_TRAJECTORY_INIT(b_first);
-
- {
- u32 next_index;
- uword n_trace = vlib_get_trace_count (vm, node);
- vnet_buffer (b_first)->sw_if_index[VLIB_RX] = ti->sw_if_index;
- vnet_buffer (b_first)->sw_if_index[VLIB_TX] = (u32)~0;
-
- b_first->error = node->errors[0];
-
- {
- next_index = TAPCLI_RX_NEXT_ETHERNET_INPUT;
-
- next_index = (ti->per_interface_next_index != ~0) ?
- ti->per_interface_next_index : next_index;
- }
- {
- vnet_main_t *vnm = vnet_get_main();
- vnet_sw_interface_t * si;
- si = vnet_get_sw_interface (vnm, ti->sw_if_index);
- if (!(si->flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP))
- next_index = TAPCLI_RX_NEXT_DROP;
- }
-
- vlib_set_next_frame_buffer (vm, node, next_index, bi);
-
- if (n_trace > 0)
- {
- vlib_trace_buffer (vm, node, next_index,
- b_first, /* follow_chain */ 1);
- vlib_set_trace_count (vm, node, n_trace - 1);
- }
- }
- }
-
- return 1;
+ ti = vec_elt_at_index (tm->tapcli_interfaces, ready_interface_indices[i]);
+ total_count += tapcli_rx_iface(vm, node, ti);
+ }
+ return total_count; //This might return more than 256.
}
static char * tapcli_rx_error_strings[] = {
- "Interface down",
+#define _(sym,string) string,
+ foreach_tapcli_error
+#undef _
};
-VLIB_REGISTER_NODE (tapcli_rx_node,static) = {
+VLIB_REGISTER_NODE (tapcli_rx_node, static) = {
.function = tapcli_rx,
.name = "tapcli-rx",
.type = VLIB_NODE_TYPE_INPUT,
.state = VLIB_NODE_STATE_INTERRUPT,
.vector_size = 4,
- .n_errors = 1,
+ .n_errors = TAPCLI_N_ERROR,
.error_strings = tapcli_rx_error_strings,
+ .format_trace = format_tapcli_rx_trace,
.n_next_nodes = TAPCLI_RX_N_NEXT,
.next_nodes = {
tapcli_config (vlib_main_t * vm, unformat_input_t * input)
{
tapcli_main_t *tm = &tapcli_main;
- const uword buffer_size = VLIB_BUFFER_DEFAULT_FREE_LIST_BYTES;
+ const uword buffer_size = VLIB_BUFFER_DATA_SIZE;
while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
{
{
tapcli_main_t *tm = &tapcli_main;
tapcli_interface_t *ti;
- struct ifreq ifr;
- u32 want_promisc;
- ti = vec_elt_at_index (tm->tapcli_interfaces, hw->dev_instance);
+ ti = vec_elt_at_index (tm->tapcli_interfaces, hw->dev_instance);
- memcpy (&ifr, &ti->ifr, sizeof (ifr));
-
- /* get flags, modify to bring up interface... */
- if (ioctl (ti->provision_fd, SIOCGIFFLAGS, &ifr) < 0)
+ if (flags & ETHERNET_INTERFACE_FLAG_MTU)
{
- clib_unix_warning ("Couldn't get interface flags for %s", hw->name);
- return 0;
+ const uword buffer_size = VLIB_BUFFER_DATA_SIZE;
+ tm->mtu_bytes = hw->max_packet_bytes;
+ tm->mtu_buffers = (tm->mtu_bytes + (buffer_size - 1)) / buffer_size;
}
+ else
+ {
+ struct ifreq ifr;
+ u32 want_promisc;
- want_promisc = (flags & ETHERNET_INTERFACE_FLAG_ACCEPT_ALL) != 0;
+ memcpy (&ifr, &ti->ifr, sizeof (ifr));
- if (want_promisc == ti->is_promisc)
- return 0;
+ /* get flags, modify to bring up interface... */
+ if (ioctl (ti->provision_fd, SIOCGIFFLAGS, &ifr) < 0)
+ {
+ clib_unix_warning ("Couldn't get interface flags for %s", hw->name);
+ return 0;
+ }
+ want_promisc = (flags & ETHERNET_INTERFACE_FLAG_ACCEPT_ALL) != 0;
- if (flags & ETHERNET_INTERFACE_FLAG_ACCEPT_ALL)
- ifr.ifr_flags |= IFF_PROMISC;
- else
- ifr.ifr_flags &= ~(IFF_PROMISC);
+ if (want_promisc == ti->is_promisc)
+ return 0;
- /* get flags, modify to bring up interface... */
- if (ioctl (ti->provision_fd, SIOCSIFFLAGS, &ifr) < 0)
- {
- clib_unix_warning ("Couldn't set interface flags for %s", hw->name);
- return 0;
- }
+ if (flags & ETHERNET_INTERFACE_FLAG_ACCEPT_ALL)
+ ifr.ifr_flags |= IFF_PROMISC;
+ else
+ ifr.ifr_flags &= ~(IFF_PROMISC);
- ti->is_promisc = want_promisc;
+ /* get flags, modify to bring up interface... */
+ if (ioctl (ti->provision_fd, SIOCSIFFLAGS, &ifr) < 0)
+ {
+ clib_unix_warning ("Couldn't set interface flags for %s", hw->name);
+ return 0;
+ }
+
+ ti->is_promisc = want_promisc;
+ }
return 0;
}
}
ti = tapcli_get_new_tapif();
+ ti->per_interface_next_index = ~0;
if (hwaddr_arg != 0)
- memcpy(hwaddr, hwaddr_arg, 6);
+ clib_memcpy(hwaddr, hwaddr_arg, 6);
error = ethernet_register_interface
(tm->vnet_main,
ti->unix_file_index = unix_file_add (&unix_main, &template);
ti->unix_fd = dev_net_tun_fd;
ti->provision_fd = dev_tap_fd;
- memcpy (&ti->ifr, &ifr, sizeof (ifr));
+ clib_memcpy (&ti->ifr, &ifr, sizeof (ifr));
}
{
vnet_hw_interface_t * hw;
hw = vnet_get_hw_interface (tm->vnet_main, ti->hw_if_index);
- hw->max_l3_packet_bytes[VLIB_RX] = hw->max_l3_packet_bytes[VLIB_TX] = tm->mtu_bytes - sizeof(ethernet_header_t);
+ hw->min_supported_packet_bytes = TAP_MTU_MIN;
+ hw->max_supported_packet_bytes = TAP_MTU_MAX;
+ hw->max_l3_packet_bytes[VLIB_RX] = hw->max_l3_packet_bytes[VLIB_TX] = hw->max_supported_packet_bytes - sizeof(ethernet_header_t);
ti->sw_if_index = hw->sw_if_index;
if (sw_if_indexp)
*sw_if_indexp = hw->sw_if_index;
{
u8 * intfc_name;
tapcli_main_t * tm = &tapcli_main;
- tapcli_interface_t * ti;
- struct ifreq ifr;
- int flags;
- int dev_net_tun_fd;
- int dev_tap_fd = -1;
- clib_error_t * error;
int user_hwaddr = 0;
u8 hwaddr[6];
+ u8 *hwaddr_arg = 0;
+ u32 sw_if_index;
if (tm->is_disabled)
{
&hwaddr))
user_hwaddr = 1;
- flags = IFF_TAP | IFF_NO_PI;
-
- if ((dev_net_tun_fd = open ("/dev/net/tun", O_RDWR)) < 0)
- {
- vlib_cli_output (vm, "Couldn't open /dev/net/tun");
- return 0;
- }
-
- memset (&ifr, 0, sizeof (ifr));
- strncpy(ifr.ifr_name, (char *) intfc_name, sizeof (ifr.ifr_name)-1);
- ifr.ifr_flags = flags;
- if (ioctl (dev_net_tun_fd, TUNSETIFF, (void *)&ifr) < 0)
- {
- vlib_cli_output (vm, "Error setting flags on '%s'", intfc_name);
- goto error;
- }
-
- /* Open a provisioning socket */
- if ((dev_tap_fd = socket(PF_PACKET, SOCK_RAW,
- htons(ETH_P_ALL))) < 0 )
- {
- vlib_cli_output (vm, "Couldn't open provisioning socket");
- goto error;
- }
-
- /* Find the interface index. */
- {
- struct ifreq ifr;
- struct sockaddr_ll sll;
-
- memset (&ifr, 0, sizeof(ifr));
- strncpy (ifr.ifr_name, (char *) intfc_name, sizeof (ifr.ifr_name)-1);
- if (ioctl (dev_tap_fd, SIOCGIFINDEX, &ifr) < 0 )
- {
- vlib_cli_output (vm, "Couldn't get if_index");
- goto error;
- }
-
- /* Bind the provisioning socket to the interface. */
- memset(&sll, 0, sizeof(sll));
- sll.sll_family = AF_PACKET;
- sll.sll_ifindex = ifr.ifr_ifindex;
- sll.sll_protocol = htons(ETH_P_ALL);
-
- if (bind(dev_tap_fd, (struct sockaddr*) &sll, sizeof(sll)) < 0)
- {
- vlib_cli_output (vm, "Couldn't bind provisioning socket");
- goto error;
- }
- }
-
- /* non-blocking I/O on /dev/tapX */
- {
- int one = 1;
- if (ioctl (dev_net_tun_fd, FIONBIO, &one) < 0)
- {
- vlib_cli_output (0, "Couldn't set device non-blocking flag");
- goto error;
- }
- }
- ifr.ifr_mtu = tm->mtu_bytes;
- if (ioctl (dev_tap_fd, SIOCSIFMTU, &ifr) < 0)
- {
- vlib_cli_output (0, "Couldn't set device MTU");
- goto error;
- }
-
- /* get flags, modify to bring up interface... */
- if (ioctl (dev_tap_fd, SIOCGIFFLAGS, &ifr) < 0)
- {
- vlib_cli_output (0, "Couldn't get interface flags");
- goto error;
- }
-
- ifr.ifr_flags |= (IFF_UP | IFF_RUNNING);
-
- if (ioctl (dev_tap_fd, SIOCSIFFLAGS, &ifr) < 0)
- {
- vlib_cli_output (0, "Couldn't set intfc admin state up");
- goto error;
- }
-
- if (ioctl (dev_tap_fd, SIOCGIFHWADDR, &ifr) < 0)
- {
- vlib_cli_output (0, "Couldn't get intfc MAC address");
- goto error;
- }
-
- ti = tapcli_get_new_tapif();
- ti->per_interface_next_index = ~0;
-
if (unformat(input, "hwaddr random"))
{
f64 now = vlib_time_now(vm);
rnd = (u32) (now * 1e6);
rnd = random_u32 (&rnd);
- memcpy (hwaddr+2, &rnd, sizeof(rnd));
+ clib_memcpy (hwaddr+2, &rnd, sizeof(rnd));
hwaddr[0] = 2;
hwaddr[1] = 0xfe;
user_hwaddr = 1;
}
-
- error = ethernet_register_interface
- (tm->vnet_main,
- tapcli_dev_class.index,
- ti - tm->tapcli_interfaces /* device instance */,
- user_hwaddr ? hwaddr :
- (u8 *) ifr.ifr_hwaddr.sa_data /* ethernet address */,
- &ti->hw_if_index,
- tapcli_flag_change);
+ if (user_hwaddr) hwaddr_arg = hwaddr;
- if (error)
- clib_error_report (error);
+ int rv = vnet_tap_connect(vm, intfc_name, hwaddr_arg, &sw_if_index);
+ if (rv) {
+ switch (rv) {
+ case VNET_API_ERROR_SYSCALL_ERROR_1:
+ vlib_cli_output (vm, "Couldn't open /dev/net/tun");
+ break;
- {
- unix_file_t template = {0};
- template.read_function = tapcli_read_ready;
- template.file_descriptor = dev_net_tun_fd;
- ti->unix_file_index = unix_file_add (&unix_main, &template);
- ti->unix_fd = dev_net_tun_fd;
- ti->provision_fd = dev_tap_fd;
- memcpy (&ti->ifr, &ifr, sizeof (ifr));
- }
+ case VNET_API_ERROR_SYSCALL_ERROR_2:
+ vlib_cli_output (vm, "Error setting flags on '%s'", intfc_name);
+ break;
- {
- vnet_hw_interface_t * hw;
- hw = vnet_get_hw_interface (tm->vnet_main, ti->hw_if_index);
- ti->sw_if_index = hw->sw_if_index;
- hw->max_l3_packet_bytes[VLIB_RX] = hw->max_l3_packet_bytes[VLIB_TX] = tm->mtu_bytes - sizeof(ethernet_header_t);
- }
+ case VNET_API_ERROR_SYSCALL_ERROR_3:
+ vlib_cli_output (vm, "Couldn't open provisioning socket");
+ break;
- ti->active = 1;
+ case VNET_API_ERROR_SYSCALL_ERROR_4:
+ vlib_cli_output (vm, "Couldn't get if_index");
+ break;
+
+ case VNET_API_ERROR_SYSCALL_ERROR_5:
+ vlib_cli_output (vm, "Couldn't bind provisioning socket");
+ break;
- hash_set (tm->tapcli_interface_index_by_sw_if_index, ti->sw_if_index,
- ti - tm->tapcli_interfaces);
+ case VNET_API_ERROR_SYSCALL_ERROR_6:
+ vlib_cli_output (0, "Couldn't set device non-blocking flag");
+ break;
- hash_set (tm->tapcli_interface_index_by_unix_fd, ti->unix_fd,
- ti - tm->tapcli_interfaces);
+ case VNET_API_ERROR_SYSCALL_ERROR_7:
+ vlib_cli_output (0, "Couldn't set device MTU");
+ break;
- vlib_cli_output (vm, "Created %U for Linux tap '%s'",
- format_vnet_sw_if_index_name, tm->vnet_main,
- ti->sw_if_index, intfc_name);
-
- return 0;
+ case VNET_API_ERROR_SYSCALL_ERROR_8:
+ vlib_cli_output (0, "Couldn't get interface flags");
+ break;
- error:
- close (dev_net_tun_fd);
- close (dev_tap_fd);
+ case VNET_API_ERROR_SYSCALL_ERROR_9:
+ vlib_cli_output (0, "Couldn't set intfc admin state up");
+ break;
+
+ case VNET_API_ERROR_INVALID_REGISTRATION:
+ vlib_cli_output (0, "Invalid registration");
+ break;
+ default:
+ vlib_cli_output (0, "Unknown error: %d", rv);
+ break;
+ }
+ return 0;
+ }
+ vlib_cli_output(vm, "%U\n", format_vnet_sw_if_index_name, vnet_get_main(), sw_if_index);
return 0;
-}
+ }
VLIB_CLI_COMMAND (tap_connect_command, static) = {
.path = "tap connect",
tm->vlib_main = vm;
tm->vnet_main = vnet_get_main();
tm->unix_main = &unix_main;
- tm->mtu_bytes = 4096 + 256;
+ tm->mtu_bytes = TAP_MTU_DEFAULT;
tm->tapcli_interface_index_by_sw_if_index = hash_create (0, sizeof(uword));
tm->tapcli_interface_index_by_unix_fd = hash_create (0, sizeof (uword));
+ tm->rx_buffers = 0;
+ vec_alloc(tm->rx_buffers, VLIB_FRAME_SIZE);
+ vec_reset_length(tm->rx_buffers);
vm->os_punt_frame = tapcli_nopunt_frame;
-
return 0;
}
Code Review / vpp.git / blobdiff