X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fvnet%2Fdevices%2Faf_packet%2Fcli.c;h=bae4f6181b0fc938d7747df3c3675648dc645512;hb=7d0e30bc6;hp=2cbd415289ee4a1c982148ae4897f7376e7f746e;hpb=7cd468a3d7dee7d6c92f69a0bb7061ae208ec727;p=vpp.git diff --git a/src/vnet/devices/af_packet/cli.c b/src/vnet/devices/af_packet/cli.c index 2cbd415289e..bae4f6181b0 100644 --- a/src/vnet/devices/af_packet/cli.c +++ b/src/vnet/devices/af_packet/cli.c @@ -32,62 +32,117 @@ #include +/** + * @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) { unformat_input_t _line_input, *line_input = &_line_input; - u8 *host_if_name = NULL; + af_packet_create_if_arg_t _arg, *arg = &_arg; + clib_error_t *error = NULL; u8 hwaddr[6]; - u8 *hw_addr_ptr = 0; - u32 sw_if_index; int r; + clib_memset (arg, 0, sizeof (*arg)); + /* Get a line of input. */ 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, "name %s", &host_if_name)) + if (unformat (line_input, "name %s", &arg->host_if_name)) ; + else if (unformat (line_input, "rx-size %u", &arg->rx_frame_size)) + ; + else if (unformat (line_input, "tx-size %u", &arg->tx_frame_size)) + ; + else if (unformat (line_input, "rx-per-block %u", + &arg->rx_frames_per_block)) + ; + else if (unformat (line_input, "tx-per-block %u", + &arg->tx_frames_per_block)) + ; + else if (unformat (line_input, "hw-addr %U", unformat_ethernet_address, + hwaddr)) + arg->hw_addr = hwaddr; else - if (unformat - (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"); + if (arg->host_if_name == NULL) + { + 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); + r = af_packet_create_if (arg); 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; + arg->sw_if_index); + +done: + vec_free (arg->host_if_name); + unformat_free (line_input); + + return error; } -/* *INDENT-OFF* */ +/*? + * 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 'host-', where '' + * is the name of the specified veth pair. Use the + * 'show interface' command to display host interface details. + * + * This command has the following optional parameters: + * + * - hw-addr - 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} +?*/ VLIB_CLI_COMMAND (af_packet_create_command, static) = { .path = "create host-interface", - .short_help = "create host-interface name [hw-addr ]", + .short_help = "create host-interface name [hw-addr ]", .function = af_packet_create_command_fn, }; -/* *INDENT-ON* */ static clib_error_t * af_packet_delete_command_fn (vlib_main_t * vm, unformat_input_t * input, @@ -95,6 +150,7 @@ af_packet_delete_command_fn (vlib_main_t * vm, unformat_input_t * input, { 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)) @@ -105,27 +161,98 @@ af_packet_delete_command_fn (vlib_main_t * vm, unformat_input_t * 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); + af_packet_delete_if (host_if_name); + +done: vec_free (host_if_name); + unformat_free (line_input); - return 0; + return error; } -/* *INDENT-OFF* */ +/*? + * Delete a host interface. Use the linux interface name to identify + * the host interface to be deleted. In VPP, host interfaces are + * named as 'host-', where '' + * 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} +?*/ VLIB_CLI_COMMAND (af_packet_delete_command, static) = { .path = "delete host-interface", - .short_help = "delete host-interface name ", + .short_help = "delete host-interface name ", .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 (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} +?*/ +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 ", + .function = af_packet_set_l4_cksum_offload_command_fn, +}; clib_error_t * af_packet_cli_init (vlib_main_t * vm)