#include <vnet/devices/af_packet/af_packet.h>
+/**
+ * @file
+ * @brief CLI for Host Interface Device Driver.
+ *
+ * This file contains the source code for CLI for the host interface.
+ */
+
static clib_error_t *
af_packet_create_command_fn (vlib_main_t * vm, unformat_input_t * input,
vlib_cli_command_t * cmd)
u8 *hw_addr_ptr = 0;
u32 sw_if_index;
int r;
+ clib_error_t *error = NULL;
/* Get a line of input. */
if (!unformat_user (input, unformat_line_input, line_input))
(line_input, "hw-addr %U", unformat_ethernet_address, hwaddr))
hw_addr_ptr = hwaddr;
else
- return clib_error_return (0, "unknown input `%U'",
- format_unformat_error, input);
+ {
+ error = clib_error_return (0, "unknown input `%U'",
+ format_unformat_error, line_input);
+ goto done;
+ }
}
- unformat_free (line_input);
if (host_if_name == NULL)
- return clib_error_return (0, "missing host interface name");
+ {
+ error = clib_error_return (0, "missing host interface name");
+ goto done;
+ }
r = af_packet_create_if (vm, host_if_name, hw_addr_ptr, &sw_if_index);
- vec_free (host_if_name);
if (r == VNET_API_ERROR_SYSCALL_ERROR_1)
- return clib_error_return (0, "%s (errno %d)", strerror (errno), errno);
+ {
+ error = clib_error_return (0, "%s (errno %d)", strerror (errno), errno);
+ goto done;
+ }
if (r == VNET_API_ERROR_INVALID_INTERFACE)
- return clib_error_return (0, "Invalid interface name");
+ {
+ error = clib_error_return (0, "Invalid interface name");
+ goto done;
+ }
if (r == VNET_API_ERROR_SUBIF_ALREADY_EXISTS)
- return clib_error_return (0, "Interface elready exists");
+ {
+ error = clib_error_return (0, "Interface already exists");
+ goto done;
+ }
vlib_cli_output (vm, "%U\n", format_vnet_sw_if_index_name, vnet_get_main (),
sw_if_index);
- return 0;
+
+done:
+ vec_free (host_if_name);
+ unformat_free (line_input);
+
+ return error;
}
+/*?
+ * Create a host interface that will attach to a linux AF_PACKET
+ * interface, one side of a veth pair. The veth pair must already
+ * exist. Once created, a new host interface will exist in VPP
+ * with the name '<em>host-<ifname></em>', where '<em><ifname></em>'
+ * is the name of the specified veth pair. Use the
+ * '<em>show interface</em>' command to display host interface details.
+ *
+ * This command has the following optional parameters:
+ *
+ * - <b>hw-addr <mac-addr></b> - Optional ethernet address, can be in either
+ * X:X:X:X:X:X unix or X.X.X cisco format.
+ *
+ * @cliexpar
+ * Example of how to create a host interface tied to one side of an
+ * existing linux veth pair named vpp1:
+ * @cliexstart{create host-interface name vpp1}
+ * host-vpp1
+ * @cliexend
+ * Once the host interface is created, enable the interface using:
+ * @cliexcmd{set interface state host-vpp1 up}
+?*/
/* *INDENT-OFF* */
VLIB_CLI_COMMAND (af_packet_create_command, static) = {
.path = "create host-interface",
- .short_help = "create host-interface name <interface name> [hw-addr <mac>]",
+ .short_help = "create host-interface name <ifname> [hw-addr <mac-addr>]",
.function = af_packet_create_command_fn,
};
/* *INDENT-ON* */
{
unformat_input_t _line_input, *line_input = &_line_input;
u8 *host_if_name = NULL;
+ clib_error_t *error = NULL;
/* Get a line of input. */
if (!unformat_user (input, unformat_line_input, line_input))
if (unformat (line_input, "name %s", &host_if_name))
;
else
- return clib_error_return (0, "unknown input `%U'",
- format_unformat_error, input);
+ {
+ error = clib_error_return (0, "unknown input `%U'",
+ format_unformat_error, line_input);
+ goto done;
+ }
}
- unformat_free (line_input);
if (host_if_name == NULL)
- return clib_error_return (0, "missing host interface name");
+ {
+ error = clib_error_return (0, "missing host interface name");
+ goto done;
+ }
af_packet_delete_if (vm, host_if_name);
+
+done:
vec_free (host_if_name);
+ unformat_free (line_input);
- return 0;
+ return error;
}
+/*?
+ * Delete a host interface. Use the linux interface name to identify
+ * the host interface to be deleted. In VPP, host interfaces are
+ * named as '<em>host-<ifname></em>', where '<em><ifname></em>'
+ * is the name of the linux interface.
+ *
+ * @cliexpar
+ * Example of how to delete a host interface named host-vpp1:
+ * @cliexcmd{delete host-interface name vpp1}
+?*/
/* *INDENT-OFF* */
VLIB_CLI_COMMAND (af_packet_delete_command, static) = {
.path = "delete host-interface",
- .short_help = "delete host-interface name <interface name>",
+ .short_help = "delete host-interface name <ifname>",
.function = af_packet_delete_command_fn,
};
/* *INDENT-ON* */
+static clib_error_t *
+af_packet_set_l4_cksum_offload_command_fn (vlib_main_t * vm,
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ unformat_input_t _line_input, *line_input = &_line_input;
+ u8 set = 0;
+ clib_error_t *error = NULL;
+ vnet_main_t *vnm = vnet_get_main ();
+ u32 sw_if_index;
+
+ if (!unformat_user (input, unformat_line_input, line_input))
+ return 0;
+
+ while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat
+ (line_input, "%U", unformat_vnet_sw_interface, vnm, &sw_if_index))
+ ;
+ else if (unformat (line_input, "on"))
+ set = 1;
+ else if (unformat (line_input, "off"))
+ set = 0;
+ else
+ {
+ error = clib_error_return (0, "unknown input '%U'",
+ format_unformat_error, line_input);
+ goto done;
+ }
+ }
+
+ if (af_packet_set_l4_cksum_offload (vm, sw_if_index, set) < 0)
+ error = clib_error_return (0, "not an af_packet interface");
+
+done:
+ unformat_free (line_input);
+ return error;
+}
+
+/*?
+ * Set TCP/UDP offload checksum calculation. Use interface
+ * name to identify the interface to set TCP/UDP offload checksum
+ * calculation.
+ *
+ * @cliexpar
+ * Example of how to set TCP/UDP offload checksum calculation on host-vpp0:
+ * @cliexcmd{set host-interface l4-cksum-offload host-vpp0 off}
+ * @cliexcmd{set host-interface l4-cksum-offload host-vpp0 on}
+?*/
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (af_packet_set_l4_cksum_offload_command, static) = {
+ .path = "set host-interface l4-cksum-offload",
+ .short_help = "set host-interface l4-cksum-offload <host-if-name> <on|off>",
+ .function = af_packet_set_l4_cksum_offload_command_fn,
+};
+/* *INDENT-ON* */
+
clib_error_t *
af_packet_cli_init (vlib_main_t * vm)
{
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