diff options
Diffstat (limited to 'src/vnet/devices')
| -rw-r--r-- | src/vnet/devices/virtio/FEATURE.yaml | 1 | ||||
| -rw-r--r-- | src/vnet/devices/virtio/cli.c | 4 | ||||
| -rw-r--r-- | src/vnet/devices/virtio/pci.c | 52 | ||||
| -rw-r--r-- | src/vnet/devices/virtio/pci.h | 82 | ||||
| -rw-r--r-- | src/vnet/devices/virtio/virtio.api | 1 | ||||
| -rw-r--r-- | src/vnet/devices/virtio/virtio.c | 1 | ||||
| -rw-r--r-- | src/vnet/devices/virtio/virtio.h | 1 | ||||
| -rw-r--r-- | src/vnet/devices/virtio/virtio_api.c | 8 | ||||
| -rw-r--r-- | src/vnet/devices/virtio/virtio_std.h | 96 |
9 files changed, 190 insertions, 56 deletions
diff --git a/src/vnet/devices/virtio/FEATURE.yaml b/src/vnet/devices/virtio/FEATURE.yaml index 446a45b61a3..870023861de 100644 --- a/src/vnet/devices/virtio/FEATURE.yaml +++ b/src/vnet/devices/virtio/FEATURE.yaml @@ -13,6 +13,7 @@ features: - Support virtio 1.1 packed ring in vhost - Support for tx queue size configuration (tested on host kernel 5.15 and qemu version 6.2.0) + - Support RSS (tested on ubuntu 23.10) description: "Virtio implementation" missing: - API dump filtering by sw_if_index diff --git a/src/vnet/devices/virtio/cli.c b/src/vnet/devices/virtio/cli.c index c1b6c8be065..c4364600722 100644 --- a/src/vnet/devices/virtio/cli.c +++ b/src/vnet/devices/virtio/cli.c @@ -62,6 +62,8 @@ virtio_pci_create_command_fn (vlib_main_t * vm, unformat_input_t * input, args.bind = VIRTIO_BIND_FORCE; else if (unformat (line_input, "bind")) args.bind = VIRTIO_BIND_DEFAULT; + else if (unformat (line_input, "rss-enabled")) + args.rss_enabled = 1; else return clib_error_return (0, "unknown input `%U'", format_unformat_error, input); @@ -77,7 +79,7 @@ VLIB_CLI_COMMAND (virtio_pci_create_command, static) = { .path = "create interface virtio", .short_help = "create interface virtio <pci-address> " "[feature-mask <hex-mask>] [tx-queue-size <size>] " - "[gso-enabled] [csum-enabled] " + "[gso-enabled] [csum-enabled] [rss-enabled] " "[buffering [size <buffering-szie>]] [packed] [bind [force]]", .function = virtio_pci_create_command_fn, }; diff --git a/src/vnet/devices/virtio/pci.c b/src/vnet/devices/virtio/pci.c index 6234f64fcfb..140cdb94153 100644 --- a/src/vnet/devices/virtio/pci.c +++ b/src/vnet/devices/virtio/pci.c @@ -37,6 +37,13 @@ #define PCI_MSIX_ENABLE 0x8000 +static const u8 virtio_rss_key[VIRTIO_NET_RSS_MAX_KEY_SIZE] = { + 0x6d, 0x5a, 0x56, 0xda, 0x25, 0x5b, 0x0e, 0xc2, 0x41, 0x67, + 0x25, 0x3d, 0x43, 0xa3, 0x8f, 0xb0, 0xd0, 0xca, 0x2b, 0xcb, + 0xae, 0x7b, 0x30, 0xb4, 0x77, 0xcb, 0x2d, 0xa3, 0x80, 0x30, + 0xf2, 0x0c, 0x6a, 0x42, 0xb7, 0x3b, 0xbe, 0xac, 0x01, 0xfa, +}; + static pci_device_id_t virtio_pci_device_ids[] = { { .vendor_id = PCI_VENDOR_ID_VIRTIO, @@ -584,6 +591,35 @@ virtio_pci_enable_multiqueue (vlib_main_t * vm, virtio_if_t * vif, return status; } +static int +virtio_pci_enable_multiqueue_rss (vlib_main_t *vm, virtio_if_t *vif, + u16 num_queues) +{ + virtio_ctrl_msg_t mq_hdr; + virtio_net_rss_config *rss = (virtio_net_rss_config *) mq_hdr.data; + virtio_net_ctrl_ack_t status = VIRTIO_NET_ERR; + + STATIC_ASSERT (sizeof (*rss) <= sizeof (mq_hdr.data), + "virtio_net_rss_config size too big"); + mq_hdr.ctrl.class = VIRTIO_NET_CTRL_MQ; + mq_hdr.ctrl.cmd = VIRTIO_NET_CTRL_MQ_RSS_CONFIG; + mq_hdr.status = VIRTIO_NET_ERR; + + rss->hash_types = VIRTIO_NET_HASH_TYPE_SUPPORTED; + rss->indirection_table_mask = VIRTIO_NET_RSS_MAX_TABLE_LEN - 1; + rss->unclassified_queue = 0; + for (int i = 0; i < VIRTIO_NET_RSS_MAX_TABLE_LEN; i++) + rss->indirection_table[i] = i % num_queues; + rss->max_tx_vq = num_queues; + rss->hash_key_length = VIRTIO_NET_RSS_MAX_KEY_SIZE; + clib_memcpy (rss->hash_key_data, virtio_rss_key, + VIRTIO_NET_RSS_MAX_KEY_SIZE); + + status = virtio_pci_send_ctrl_msg (vm, vif, &mq_hdr, sizeof (*rss)); + virtio_log_debug (vif, "multi-queue with rss enable %u queues", num_queues); + return status; +} + static u8 virtio_pci_queue_size_valid (u16 qsz) { @@ -933,6 +969,9 @@ virtio_negotiate_features (vlib_main_t * vm, virtio_if_t * vif, | VIRTIO_FEATURE (VIRTIO_F_ANY_LAYOUT) | VIRTIO_FEATURE (VIRTIO_RING_F_INDIRECT_DESC); + if (vif->rss_enabled) + supported_features |= VIRTIO_FEATURE (VIRTIO_NET_F_RSS); + if (vif->is_modern) supported_features |= VIRTIO_FEATURE (VIRTIO_F_VERSION_1); @@ -1375,6 +1414,7 @@ virtio_pci_create_if (vlib_main_t * vm, virtio_pci_create_if_args_t * args) vif->dev_instance = vif - vim->interfaces; vif->per_interface_next_index = ~0; vif->pci_addr.as_u32 = args->addr; + vif->rss_enabled = args->rss_enabled; if (args->virtio_flags & VIRTIO_FLAG_PACKED) vif->is_packed = 1; @@ -1536,8 +1576,16 @@ virtio_pci_create_if (vlib_main_t * vm, virtio_pci_create_if_args_t * args) if ((vif->features & VIRTIO_FEATURE (VIRTIO_NET_F_CTRL_VQ)) && (vif->features & VIRTIO_FEATURE (VIRTIO_NET_F_MQ))) { - if (virtio_pci_enable_multiqueue (vm, vif, vif->max_queue_pairs)) - virtio_log_warning (vif, "multiqueue is not set"); + if (vif->features & VIRTIO_FEATURE (VIRTIO_NET_F_RSS)) + { + if (virtio_pci_enable_multiqueue_rss (vm, vif, vif->max_queue_pairs)) + virtio_log_warning (vif, "multiqueue with rss is not set"); + } + else + { + if (virtio_pci_enable_multiqueue (vm, vif, vif->max_queue_pairs)) + virtio_log_warning (vif, "multiqueue is not set"); + } } return; diff --git a/src/vnet/devices/virtio/pci.h b/src/vnet/devices/virtio/pci.h index 5eb80f823be..745ad6fce87 100644 --- a/src/vnet/devices/virtio/pci.h +++ b/src/vnet/devices/virtio/pci.h @@ -60,6 +60,9 @@ typedef enum /* If multiqueue is provided by host, then we support it. */ #define VIRTIO_NET_CTRL_MQ 4 #define VIRTIO_NET_CTRL_MQ_VQ_PAIRS_SET 0 +#define VIRTIO_NET_CTRL_MQ_RSS_CONFIG 1 +#define VIRTIO_NET_CTRL_MQ_HASH_CONFIG 2 + #define VIRTIO_NET_CTRL_MQ_VQ_PAIRS_MIN 1 #define VIRTIO_NET_CTRL_MQ_VQ_PAIRS_MAX 0x8000 @@ -139,14 +142,77 @@ typedef struct u64 queue_device; /* read-write */ } virtio_pci_common_cfg_t; +#define foreach_virtio_net_hash_report_type \ + _ (NONE, 0) \ + _ (IPV4, 1) \ + _ (TCPV4, 2) \ + _ (UDPV4, 3) \ + _ (IPV6, 4) \ + _ (TCPV6, 5) \ + _ (UDPV6, 6) \ + _ (IPV6_EX, 7) \ + _ (TCPV6_EX, 8) \ + _ (UDPV6_EX, 9) + +typedef enum +{ +#define _(n, i) VIRTIO_NET_HASH_REPORT_##n = i, + foreach_virtio_net_hash_report_type +#undef _ +} virtio_net_hash_report_type_t; + typedef struct { u8 mac[6]; u16 status; u16 max_virtqueue_pairs; u16 mtu; + u32 speed; + u8 duplex; + u8 rss_max_key_size; + u16 rss_max_indirection_table_length; + u32 supported_hash_types; } virtio_net_config_t; +#define VIRTIO_NET_RSS_MAX_TABLE_LEN 128 +#define VIRTIO_NET_RSS_MAX_KEY_SIZE 40 + +#define foreach_virtio_net_hash_type \ + _ (IPV4, 0) \ + _ (TCPV4, 1) \ + _ (UDPV4, 2) \ + _ (IPV6, 3) \ + _ (TCPV6, 4) \ + _ (UDPV6, 5) \ + _ (IPV6_EX, 6) \ + _ (TCPV6_EX, 7) \ + _ (UDPV6_EX, 8) + +typedef enum +{ +#define _(n, i) VIRTIO_NET_HASH_TYPE_##n = (1 << i), + foreach_virtio_net_hash_type +#undef _ +} virtio_net_hash_type_t; + +#define VIRTIO_NET_HASH_TYPE_SUPPORTED \ + (VIRTIO_NET_HASH_TYPE_IPV4 | VIRTIO_NET_HASH_TYPE_TCPV4 | \ + VIRTIO_NET_HASH_TYPE_UDPV4 | VIRTIO_NET_HASH_TYPE_IPV6 | \ + VIRTIO_NET_HASH_TYPE_TCPV6 | VIRTIO_NET_HASH_TYPE_UDPV6 | \ + VIRTIO_NET_HASH_TYPE_IPV6_EX | VIRTIO_NET_HASH_TYPE_TCPV6_EX | \ + VIRTIO_NET_HASH_TYPE_UDPV6_EX) + +typedef struct +{ + u32 hash_types; + u16 indirection_table_mask; + u16 unclassified_queue; + u16 indirection_table[VIRTIO_NET_RSS_MAX_TABLE_LEN]; + u16 max_tx_vq; + u8 hash_key_length; + u8 hash_key_data[VIRTIO_NET_RSS_MAX_KEY_SIZE]; +} virtio_net_rss_config; + /* * Control virtqueue data structures * @@ -210,13 +276,14 @@ typedef struct _virtio_pci_func void (*device_debug_config_space) (vlib_main_t * vm, virtio_if_t * vif); } virtio_pci_func_t; -#define foreach_virtio_flags \ - _ (GSO, 0) \ - _ (CSUM_OFFLOAD, 1) \ - _ (GRO_COALESCE, 2) \ - _ (PACKED, 3) \ - _ (IN_ORDER, 4) \ - _ (BUFFERING, 5) +#define foreach_virtio_flags \ + _ (GSO, 0) \ + _ (CSUM_OFFLOAD, 1) \ + _ (GRO_COALESCE, 2) \ + _ (PACKED, 3) \ + _ (IN_ORDER, 4) \ + _ (BUFFERING, 5) \ + _ (RSS, 6) typedef enum { @@ -243,6 +310,7 @@ typedef struct u64 features; u8 gso_enabled; u8 checksum_offload_enabled; + u8 rss_enabled; u32 tx_queue_size; virtio_bind_t bind; u32 buffering_size; diff --git a/src/vnet/devices/virtio/virtio.api b/src/vnet/devices/virtio/virtio.api index a11492ec258..14a58491282 100644 --- a/src/vnet/devices/virtio/virtio.api +++ b/src/vnet/devices/virtio/virtio.api @@ -63,6 +63,7 @@ enumflag virtio_flags { VIRTIO_API_FLAG_PACKED = 8, /* enable packed ring support, provided it is available from backend */ VIRTIO_API_FLAG_IN_ORDER = 16, /* enable in order support, provided it is available from backend */ VIRTIO_API_FLAG_BUFFERING = 32 [backwards_compatible], /* enable buffering to handle backend jitter/delays */ + VIRTIO_API_FLAG_RSS = 64 [backwards_compatible], /* enable rss support */ }; /** \brief Initialize a new virtio pci interface with the given parameters diff --git a/src/vnet/devices/virtio/virtio.c b/src/vnet/devices/virtio/virtio.c index d2302fa1dc4..840936a43ff 100644 --- a/src/vnet/devices/virtio/virtio.c +++ b/src/vnet/devices/virtio/virtio.c @@ -404,6 +404,7 @@ virtio_show (vlib_main_t *vm, u32 *hw_if_indices, u8 show_descr, vlib_cli_output (vm, " csum-enabled %d", vif->csum_offload_enabled); vlib_cli_output (vm, " packet-coalesce %d", vif->packet_coalesce); vlib_cli_output (vm, " packet-buffering %d", vif->packet_buffering); + vlib_cli_output (vm, " rss-enabled %d", vif->rss_enabled); if (type & (VIRTIO_IF_TYPE_TAP | VIRTIO_IF_TYPE_PCI)) vlib_cli_output (vm, " Mac Address: %U", format_ethernet_address, vif->mac_addr); diff --git a/src/vnet/devices/virtio/virtio.h b/src/vnet/devices/virtio/virtio.h index 431b1d25c26..a8e258884a4 100644 --- a/src/vnet/devices/virtio/virtio.h +++ b/src/vnet/devices/virtio/virtio.h @@ -140,6 +140,7 @@ typedef struct vnet_virtio_vring_t *txq_vrings; int gso_enabled; int csum_offload_enabled; + int rss_enabled; union { int *tap_fds; diff --git a/src/vnet/devices/virtio/virtio_api.c b/src/vnet/devices/virtio/virtio_api.c index 3197a2fab6d..2e25efff29e 100644 --- a/src/vnet/devices/virtio/virtio_api.c +++ b/src/vnet/devices/virtio/virtio_api.c @@ -111,18 +111,18 @@ vl_api_virtio_pci_create_v2_t_handler (vl_api_virtio_pci_create_v2_t * mp) STATIC_ASSERT (((int) VIRTIO_API_FLAG_BUFFERING == (int) VIRTIO_FLAG_BUFFERING), "virtio buffering api flag mismatch"); + STATIC_ASSERT (((int) VIRTIO_API_FLAG_RSS == (int) VIRTIO_FLAG_RSS), + "virtio rss api flag mismatch"); ap->virtio_flags = clib_net_to_host_u32 (mp->virtio_flags); ap->features = clib_net_to_host_u64 (mp->features); if (ap->virtio_flags & VIRTIO_API_FLAG_GSO) ap->gso_enabled = 1; - else - ap->gso_enabled = 0; if (ap->virtio_flags & VIRTIO_API_FLAG_CSUM_OFFLOAD) ap->checksum_offload_enabled = 1; - else - ap->checksum_offload_enabled = 0; + if (ap->virtio_flags & VIRTIO_API_FLAG_RSS) + ap->rss_enabled = 1; virtio_pci_create_if (vm, ap); diff --git a/src/vnet/devices/virtio/virtio_std.h b/src/vnet/devices/virtio/virtio_std.h index ec988c08dbb..66b8bac092c 100644 --- a/src/vnet/devices/virtio/virtio_std.h +++ b/src/vnet/devices/virtio/virtio_std.h @@ -15,49 +15,61 @@ #ifndef __VIRTIO_STD_H__ #define __VIRTIO_STD_H__ -#define foreach_virtio_net_features \ - _ (VIRTIO_NET_F_CSUM, 0) /* Host handles pkts w/ partial csum */ \ - _ (VIRTIO_NET_F_GUEST_CSUM, 1) /* Guest handles pkts w/ partial csum */ \ - _ (VIRTIO_NET_F_CTRL_GUEST_OFFLOADS, 2) /* Dynamic offload configuration. */ \ - _ (VIRTIO_NET_F_MTU, 3) /* Initial MTU advice. */ \ - _ (VIRTIO_NET_F_MAC, 5) /* Host has given MAC address. */ \ - _ (VIRTIO_NET_F_GSO, 6) /* Host handles pkts w/ any GSO. */ \ - _ (VIRTIO_NET_F_GUEST_TSO4, 7) /* Guest can handle TSOv4 in. */ \ - _ (VIRTIO_NET_F_GUEST_TSO6, 8) /* Guest can handle TSOv6 in. */ \ - _ (VIRTIO_NET_F_GUEST_ECN, 9) /* Guest can handle TSO[6] w/ ECN in. */ \ - _ (VIRTIO_NET_F_GUEST_UFO, 10) /* Guest can handle UFO in. */ \ - _ (VIRTIO_NET_F_HOST_TSO4, 11) /* Host can handle TSOv4 in. */ \ - _ (VIRTIO_NET_F_HOST_TSO6, 12) /* Host can handle TSOv6 in. */ \ - _ (VIRTIO_NET_F_HOST_ECN, 13) /* Host can handle TSO[6] w/ ECN in. */ \ - _ (VIRTIO_NET_F_HOST_UFO, 14) /* Host can handle UFO in. */ \ - _ (VIRTIO_NET_F_MRG_RXBUF, 15) /* Host can merge receive buffers. */ \ - _ (VIRTIO_NET_F_STATUS, 16) /* virtio_net_config.status available */ \ - _ (VIRTIO_NET_F_CTRL_VQ, 17) /* Control channel available */ \ - _ (VIRTIO_NET_F_CTRL_RX, 18) /* Control channel RX mode support */ \ - _ (VIRTIO_NET_F_CTRL_VLAN, 19) /* Control channel VLAN filtering */ \ - _ (VIRTIO_NET_F_CTRL_RX_EXTRA, 20) /* Extra RX mode control support */ \ - _ (VIRTIO_NET_F_GUEST_ANNOUNCE, 21) /* Guest can announce device on the network */ \ - _ (VIRTIO_NET_F_MQ, 22) /* Device supports Receive Flow Steering */ \ - _ (VIRTIO_NET_F_CTRL_MAC_ADDR, 23) /* Set MAC address */ \ - _ (VIRTIO_F_NOTIFY_ON_EMPTY, 24) \ - _ (VHOST_F_LOG_ALL, 26) /* Log all write descriptors */ \ - _ (VIRTIO_F_ANY_LAYOUT, 27) /* Can the device handle any descriptor layout */ \ - _ (VIRTIO_RING_F_INDIRECT_DESC, 28) /* Support indirect buffer descriptors */ \ - _ (VIRTIO_RING_F_EVENT_IDX, 29) /* The Guest publishes the used index for which it expects an interrupt \ - * at the end of the avail ring. Host should ignore the avail->flags field. */ \ -/* The Host publishes the avail index for which it expects a kick \ - * at the end of the used ring. Guest should ignore the used->flags field. */ \ - _ (VHOST_USER_F_PROTOCOL_FEATURES, 30) \ - _ (VIRTIO_F_VERSION_1, 32) /* v1.0 compliant. */ \ - _ (VIRTIO_F_IOMMU_PLATFORM, 33) \ - _ (VIRTIO_F_RING_PACKED, 34) \ - _ (VIRTIO_F_IN_ORDER, 35) /* all buffers are used by the device in the */ \ - /* same order in which they have been made available */ \ +#define foreach_virtio_net_features \ + _ (VIRTIO_NET_F_CSUM, 0) /* Host handles pkts w/ partial csum */ \ + _ (VIRTIO_NET_F_GUEST_CSUM, 1) /* Guest handles pkts w/ partial csum */ \ + _ (VIRTIO_NET_F_CTRL_GUEST_OFFLOADS, \ + 2) /* Dynamic offload configuration. */ \ + _ (VIRTIO_NET_F_MTU, 3) /* Initial MTU advice. */ \ + _ (VIRTIO_NET_F_MAC, 5) /* Host has given MAC address. */ \ + _ (VIRTIO_NET_F_GSO, 6) /* Host handles pkts w/ any GSO. */ \ + _ (VIRTIO_NET_F_GUEST_TSO4, 7) /* Guest can handle TSOv4 in. */ \ + _ (VIRTIO_NET_F_GUEST_TSO6, 8) /* Guest can handle TSOv6 in. */ \ + _ (VIRTIO_NET_F_GUEST_ECN, 9) /* Guest can handle TSO[6] w/ ECN in. */ \ + _ (VIRTIO_NET_F_GUEST_UFO, 10) /* Guest can handle UFO in. */ \ + _ (VIRTIO_NET_F_HOST_TSO4, 11) /* Host can handle TSOv4 in. */ \ + _ (VIRTIO_NET_F_HOST_TSO6, 12) /* Host can handle TSOv6 in. */ \ + _ (VIRTIO_NET_F_HOST_ECN, 13) /* Host can handle TSO[6] w/ ECN in. */ \ + _ (VIRTIO_NET_F_HOST_UFO, 14) /* Host can handle UFO in. */ \ + _ (VIRTIO_NET_F_MRG_RXBUF, 15) /* Host can merge receive buffers. */ \ + _ (VIRTIO_NET_F_STATUS, 16) /* virtio_net_config.status available */ \ + _ (VIRTIO_NET_F_CTRL_VQ, 17) /* Control channel available */ \ + _ (VIRTIO_NET_F_CTRL_RX, 18) /* Control channel RX mode support */ \ + _ (VIRTIO_NET_F_CTRL_VLAN, 19) /* Control channel VLAN filtering */ \ + _ (VIRTIO_NET_F_CTRL_RX_EXTRA, 20) /* Extra RX mode control support */ \ + _ (VIRTIO_NET_F_GUEST_ANNOUNCE, \ + 21) /* Guest can announce device on the network */ \ + _ (VIRTIO_NET_F_MQ, 22) /* Device supports Receive Flow Steering */ \ + _ (VIRTIO_NET_F_CTRL_MAC_ADDR, 23) /* Set MAC address */ \ + _ (VIRTIO_F_NOTIFY_ON_EMPTY, 24) \ + _ (VHOST_F_LOG_ALL, 26) /* Log all write descriptors */ \ + _ (VIRTIO_F_ANY_LAYOUT, \ + 27) /* Can the device handle any descriptor layout */ \ + _ (VIRTIO_RING_F_INDIRECT_DESC, \ + 28) /* Support indirect buffer descriptors */ \ + _ (VIRTIO_RING_F_EVENT_IDX, \ + 29) /* The Guest publishes the used index for which it expects an \ + * interrupt at the end of the avail ring. Host should ignore the \ + * avail->flags field. */ \ + /* The Host publishes the avail index for which it expects a kick \ + * at the end of the used ring. Guest should ignore the used->flags field. \ + */ \ + _ (VHOST_USER_F_PROTOCOL_FEATURES, 30) \ + _ (VIRTIO_F_VERSION_1, 32) /* v1.0 compliant. */ \ + _ (VIRTIO_F_IOMMU_PLATFORM, 33) \ + _ (VIRTIO_F_RING_PACKED, 34) \ + _ (VIRTIO_F_IN_ORDER, 35) /* all buffers are used by the device in the */ \ + /* same order in which they have been made available */ \ _ (VIRTIO_F_ORDER_PLATFORM, 36) /* memory accesses by the driver and the */ \ - /* device are ordered in a way described by the platfor */ \ - _ (VIRTIO_F_NOTIFICATION_DATA, 38) /* the driver passes extra data (besides */ \ - /* identifying the virtqueue) in its device notifications. */ \ - _ (VIRTIO_NET_F_SPEED_DUPLEX, 63) /* Device set linkspeed and duplex */ + /* device are ordered in a way described by the platfor */ \ + _ (VIRTIO_F_NOTIFICATION_DATA, \ + 38) /* the driver passes extra data (besides */ \ + /* identifying the virtqueue) in its device notifications. */ \ + _ (VIRTIO_NET_F_RING_RESET, 40) /* Device supports individual ring reset */ \ + _ (VIRTIO_NET_F_HASH_REPORT, \ + 57) /* Device supports per packet hash value */ \ + _ (VIRTIO_NET_F_RSS, 60) /* Device supports RSS */ \ + _ (VIRTIO_NET_F_SPEED_DUPLEX, 63) /* Device set linkspeed and duplex */ typedef enum { |