#define DBG_SOCK(args...)
#endif
-static const char *vhost_message_str[] __attribute__((unused)) = {
+#if DPDK_VHOST_USER
+
+/* *INDENT-OFF* */
+static const char *vhost_message_str[] __attribute__ ((unused)) =
+{
[VHOST_USER_NONE] = "VHOST_USER_NONE",
[VHOST_USER_GET_FEATURES] = "VHOST_USER_GET_FEATURES",
[VHOST_USER_SET_FEATURES] = "VHOST_USER_SET_FEATURES",
[VHOST_USER_GET_VRING_BASE] = "VHOST_USER_GET_VRING_BASE",
[VHOST_USER_SET_VRING_KICK] = "VHOST_USER_SET_VRING_KICK",
[VHOST_USER_SET_VRING_CALL] = "VHOST_USER_SET_VRING_CALL",
- [VHOST_USER_SET_VRING_ERR] = "VHOST_USER_SET_VRING_ERR",
-#if RTE_VERSION >= RTE_VERSION_NUM(2, 2, 0, 0)
- [VHOST_USER_GET_PROTOCOL_FEATURES] = "VHOST_USER_GET_PROTOCOL_FEATURES",
- [VHOST_USER_SET_PROTOCOL_FEATURES] = "VHOST_USER_SET_PROTOCOL_FEATURES",
- [VHOST_USER_GET_QUEUE_NUM] = "VHOST_USER_GET_QUEUE_NUM",
- [VHOST_USER_SET_VRING_ENABLE] = "VHOST_USER_SET_VRING_ENABLE",
-#endif
+ [VHOST_USER_SET_VRING_ERR] = "VHOST_USER_SET_VRING_ERR",
+ [VHOST_USER_GET_PROTOCOL_FEATURES] = "VHOST_USER_GET_PROTOCOL_FEATURES",
+ [VHOST_USER_SET_PROTOCOL_FEATURES] = "VHOST_USER_SET_PROTOCOL_FEATURES",
+ [VHOST_USER_GET_QUEUE_NUM] = "VHOST_USER_GET_QUEUE_NUM",
+ [VHOST_USER_SET_VRING_ENABLE] = "VHOST_USER_SET_VRING_ENABLE",
};
+/* *INDENT-ON* */
-#if RTE_VERSION >= RTE_VERSION_NUM(2, 2, 0, 0)
-static int dpdk_vhost_user_set_vring_enable(u32 hw_if_index,
- u8 idx, int enable);
-#endif
+static int dpdk_vhost_user_set_vring_enable (u32 hw_if_index,
+ u8 idx, int enable);
/*
- * DPDK vhost-user functions
+ * DPDK vhost-user functions
*/
-/* portions taken from dpdk
+/* portions taken from dpdk
* BSD LICENSE
*
* Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
*/
-static uint64_t
-qva_to_vva(struct virtio_net *dev, uint64_t qemu_va)
+static uword
+qva_to_vva (struct virtio_net *dev, uword qemu_va)
{
struct virtio_memory_regions *region;
- uint64_t vhost_va = 0;
+ uword vhost_va = 0;
uint32_t regionidx = 0;
/* Find the region where the address lives. */
- for (regionidx = 0; regionidx < dev->mem->nregions; regionidx++) {
- region = &dev->mem->regions[regionidx];
- if ((qemu_va >= region->userspace_address) &&
- (qemu_va <= region->userspace_address +
- region->memory_size)) {
- vhost_va = qemu_va + region->guest_phys_address +
- region->address_offset -
- region->userspace_address;
- break;
+ for (regionidx = 0; regionidx < dev->mem->nregions; regionidx++)
+ {
+ region = &dev->mem->regions[regionidx];
+ if ((qemu_va >= region->userspace_address) &&
+ (qemu_va <= region->userspace_address + region->memory_size))
+ {
+ vhost_va = qemu_va + region->guest_phys_address +
+ region->address_offset - region->userspace_address;
+ break;
+ }
}
- }
return vhost_va;
}
static dpdk_device_t *
-dpdk_vhost_user_device_from_hw_if_index(u32 hw_if_index)
+dpdk_vhost_user_device_from_hw_if_index (u32 hw_if_index)
{
- vnet_main_t *vnm = vnet_get_main();
- dpdk_main_t * dm = &dpdk_main;
- vnet_hw_interface_t * hi = vnet_get_hw_interface (vnm, hw_if_index);
- dpdk_device_t * xd = vec_elt_at_index (dm->devices, hi->dev_instance);
+ vnet_main_t *vnm = vnet_get_main ();
+ dpdk_main_t *dm = &dpdk_main;
+ vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index);
+ dpdk_device_t *xd = vec_elt_at_index (dm->devices, hi->dev_instance);
- if (xd->dev_type != VNET_DPDK_DEV_VHOST_USER)
+ if ((xd->flags DPDK_DEVICE_FLAG_VHOST_USER) == 0)
return 0;
return xd;
}
static dpdk_device_t *
-dpdk_vhost_user_device_from_sw_if_index(u32 sw_if_index)
+dpdk_vhost_user_device_from_sw_if_index (u32 sw_if_index)
{
- vnet_main_t *vnm = vnet_get_main();
- vnet_sw_interface_t * sw = vnet_get_sw_interface (vnm, sw_if_index);
+ vnet_main_t *vnm = vnet_get_main ();
+ vnet_sw_interface_t *sw = vnet_get_sw_interface (vnm, sw_if_index);
ASSERT (sw->type == VNET_SW_INTERFACE_TYPE_HARDWARE);
- return dpdk_vhost_user_device_from_hw_if_index(sw->hw_if_index);
+ return dpdk_vhost_user_device_from_hw_if_index (sw->hw_if_index);
}
-static void stop_processing_packets(u32 hw_if_index, u8 idx)
+static void
+stop_processing_packets (u32 hw_if_index, u8 idx)
{
- dpdk_device_t *xd =
- dpdk_vhost_user_device_from_hw_if_index(hw_if_index);
- assert(xd);
-#if RTE_VERSION >= RTE_VERSION_NUM(2, 2, 0, 0)
+ dpdk_device_t *xd = dpdk_vhost_user_device_from_hw_if_index (hw_if_index);
+ assert (xd);
xd->vu_vhost_dev.virtqueue[idx]->enabled = 0;
-#else
- xd->vu_is_running = 0;
-#endif
}
-static void disable_interface(dpdk_device_t * xd)
+static void
+disable_interface (dpdk_device_t * xd)
{
-#if RTE_VERSION >= RTE_VERSION_NUM(2, 2, 0, 0)
u8 idx;
int numqs = xd->vu_vhost_dev.virt_qp_nb * VIRTIO_QNUM;
- for (idx = 0; idx < numqs; idx++)
+ for (idx = 0; idx < numqs; idx++)
xd->vu_vhost_dev.virtqueue[idx]->enabled = 0;
-#endif
xd->vu_is_running = 0;
}
-static inline void * map_guest_mem(dpdk_device_t * xd, u64 addr)
+static inline void *
+map_guest_mem (dpdk_device_t * xd, uword addr)
{
- dpdk_vu_intf_t * vui = xd->vu_intf;
- struct virtio_memory * mem = xd->vu_vhost_dev.mem;
+ dpdk_vu_intf_t *vui = xd->vu_intf;
+ struct virtio_memory *mem = xd->vu_vhost_dev.mem;
int i;
- for (i=0; i<mem->nregions; i++) {
- if ((mem->regions[i].guest_phys_address <= addr) &&
- ((mem->regions[i].guest_phys_address + mem->regions[i].memory_size) > addr)) {
- return (void *) (vui->region_addr[i] + addr - mem->regions[i].guest_phys_address);
- }
- }
- DBG_SOCK("failed to map guest mem addr %lx", addr);
+ for (i = 0; i < mem->nregions; i++)
+ {
+ if ((mem->regions[i].guest_phys_address <= addr) &&
+ ((mem->regions[i].guest_phys_address +
+ mem->regions[i].memory_size) > addr))
+ {
+ return (void *) ((uword) vui->region_addr[i] + addr -
+ (uword) mem->regions[i].guest_phys_address);
+ }
+ }
+ DBG_SOCK ("failed to map guest mem addr %lx", addr);
return 0;
}
static clib_error_t *
-dpdk_create_vhost_user_if_internal (u32 * hw_if_index, u32 if_id, u8 *hwaddr)
+dpdk_create_vhost_user_if_internal (u32 * hw_if_index, u32 if_id, u8 * hwaddr)
{
- dpdk_main_t * dm = &dpdk_main;
- vlib_main_t * vm = vlib_get_main();
- vlib_thread_main_t * tm = vlib_get_thread_main();
- vnet_sw_interface_t * sw;
- clib_error_t * error;
- dpdk_device_and_queue_t * dq;
+ dpdk_main_t *dm = &dpdk_main;
+ vlib_main_t *vm = vlib_get_main ();
+ vlib_thread_main_t *tm = vlib_get_thread_main ();
+ vnet_sw_interface_t *sw;
+ clib_error_t *error;
+ dpdk_device_and_queue_t *dq;
int num_qpairs = 1;
dpdk_vu_intf_t *vui = NULL;
-#if RTE_VERSION >= RTE_VERSION_NUM(2, 2, 0, 0)
num_qpairs = dm->use_rss < 1 ? 1 : tm->n_vlib_mains;
-#endif
- dpdk_device_t * xd = NULL;
+ dpdk_device_t *xd = NULL;
u8 addr[6];
int j;
vlib_worker_thread_barrier_sync (vm);
- int inactive_cnt = vec_len(dm->vu_inactive_interfaces_device_index);
+ int inactive_cnt = vec_len (dm->vu_inactive_interfaces_device_index);
// if there are any inactive ifaces
- if (inactive_cnt > 0) {
- // take last
- u32 vui_idx = dm->vu_inactive_interfaces_device_index[inactive_cnt - 1];
- if (vec_len(dm->devices) > vui_idx) {
- xd = vec_elt_at_index (dm->devices, vui_idx);
- if (xd->dev_type == VNET_DPDK_DEV_VHOST_USER) {
- DBG_SOCK("reusing inactive vhost-user interface sw_if_index %d", xd->vlib_sw_if_index);
- } else {
- clib_warning("error: inactive vhost-user interface sw_if_index %d not VHOST_USER type!",
- xd->vlib_sw_if_index);
- // reset so new interface is created
- xd = NULL;
- }
+ if (inactive_cnt > 0)
+ {
+ // take last
+ u32 vui_idx = dm->vu_inactive_interfaces_device_index[inactive_cnt - 1];
+ if (vec_len (dm->devices) > vui_idx)
+ {
+ xd = vec_elt_at_index (dm->devices, vui_idx);
+ if (xd->flags & DPDK_DEVICE_FLAG_VHOST_USER)
+ {
+ DBG_SOCK
+ ("reusing inactive vhost-user interface sw_if_index %d",
+ xd->vlib_sw_if_index);
+ }
+ else
+ {
+ clib_warning
+ ("error: inactive vhost-user interface sw_if_index %d not VHOST_USER type!",
+ xd->vlib_sw_if_index);
+ // reset so new interface is created
+ xd = NULL;
+ }
+ }
+ // "remove" from inactive list
+ _vec_len (dm->vu_inactive_interfaces_device_index) -= 1;
}
- // "remove" from inactive list
- _vec_len(dm->vu_inactive_interfaces_device_index) -= 1;
- }
- if (xd) {
+ if (xd)
+ {
// existing interface used - do not overwrite if_id if not needed
- if (if_id != (u32)~0)
- xd->vu_if_id = if_id;
+ if (if_id != (u32) ~ 0)
+ xd->vu_if_id = if_id;
// reset virtqueues
vui = xd->vu_intf;
- for (j = 0; j < num_qpairs * VIRTIO_QNUM; j++) {
- memset(xd->vu_vhost_dev.virtqueue[j], 0, sizeof(struct vhost_virtqueue));
- xd->vu_vhost_dev.virtqueue[j]->kickfd = -1;
- xd->vu_vhost_dev.virtqueue[j]->callfd = -1;
- xd->vu_vhost_dev.virtqueue[j]->backend = -1;
- vui->vrings[j].packets = 0;
- vui->vrings[j].bytes = 0;
- }
+ for (j = 0; j < num_qpairs * VIRTIO_QNUM; j++)
+ {
+ memset (xd->vu_vhost_dev.virtqueue[j], 0,
+ sizeof (struct vhost_virtqueue));
+ xd->vu_vhost_dev.virtqueue[j]->kickfd = -1;
+ xd->vu_vhost_dev.virtqueue[j]->callfd = -1;
+ xd->vu_vhost_dev.virtqueue[j]->backend = -1;
+ vui->vrings[j].packets = 0;
+ vui->vrings[j].bytes = 0;
+ }
// reset lockp
- dpdk_device_lock_free(xd);
- dpdk_device_lock_init(xd);
+ dpdk_device_lock_free (xd);
+ dpdk_device_lock_init (xd);
// reset tx vectors
for (j = 0; j < tm->n_vlib_mains; j++)
- {
- vec_validate_ha (xd->tx_vectors[j], DPDK_TX_RING_SIZE,
- sizeof(tx_ring_hdr_t), CLIB_CACHE_LINE_BYTES);
- vec_reset_length (xd->tx_vectors[j]);
- }
+ {
+ vec_validate_ha (xd->tx_vectors[j], xd->nb_tx_desc,
+ sizeof (tx_ring_hdr_t), CLIB_CACHE_LINE_BYTES);
+ vec_reset_length (xd->tx_vectors[j]);
+ }
// reset rx vector
for (j = 0; j < xd->rx_q_used; j++)
- {
- vec_validate_aligned (xd->rx_vectors[j], VLIB_FRAME_SIZE-1,
- CLIB_CACHE_LINE_BYTES);
- vec_reset_length (xd->rx_vectors[j]);
- }
- } else {
+ {
+ vec_validate_aligned (xd->rx_vectors[j], VLIB_FRAME_SIZE - 1,
+ CLIB_CACHE_LINE_BYTES);
+ vec_reset_length (xd->rx_vectors[j]);
+ }
+ }
+ else
+ {
// vui was not retrieved from inactive ifaces - create new
vec_add2_aligned (dm->devices, xd, 1, CLIB_CACHE_LINE_BYTES);
- xd->dev_type = VNET_DPDK_DEV_VHOST_USER;
+ xd->flags |= DPDK_DEVICE_FLAG_VHOST_USER;
xd->rx_q_used = num_qpairs;
xd->tx_q_used = num_qpairs;
-#if RTE_VERSION >= RTE_VERSION_NUM(2, 2, 0, 0)
xd->vu_vhost_dev.virt_qp_nb = num_qpairs;
-#endif
- vec_validate_aligned (xd->rx_vectors, xd->rx_q_used, CLIB_CACHE_LINE_BYTES);
+ vec_validate_aligned (xd->rx_vectors, xd->rx_q_used,
+ CLIB_CACHE_LINE_BYTES);
- if (if_id == (u32)~0)
- xd->vu_if_id = dm->next_vu_if_id++;
+ if (if_id == (u32) ~ 0)
+ xd->vu_if_id = dm->next_vu_if_id++;
else
- xd->vu_if_id = if_id;
+ xd->vu_if_id = if_id;
xd->device_index = xd - dm->devices;
xd->per_interface_next_index = ~0;
- xd->vu_intf = clib_mem_alloc (sizeof(*(xd->vu_intf)));
+ xd->vu_intf = clib_mem_alloc (sizeof (*(xd->vu_intf)));
- xd->vu_vhost_dev.mem = clib_mem_alloc (sizeof(struct virtio_memory) +
- VHOST_MEMORY_MAX_NREGIONS *
- sizeof(struct virtio_memory_regions));
+ xd->vu_vhost_dev.mem = clib_mem_alloc (sizeof (struct virtio_memory) +
+ VHOST_MEMORY_MAX_NREGIONS *
+ sizeof (struct
+ virtio_memory_regions));
/* Will be set when guest sends VHOST_USER_SET_MEM_TABLE cmd */
xd->vu_vhost_dev.mem->nregions = 0;
- /*
+ /*
* New virtqueue structure is an array of VHOST_MAX_QUEUE_PAIRS * 2
* We need to allocate numq pairs.
*/
vui = xd->vu_intf;
- for (j = 0; j < num_qpairs * VIRTIO_QNUM; j++) {
- xd->vu_vhost_dev.virtqueue[j] = clib_mem_alloc (sizeof(struct vhost_virtqueue));
- memset(xd->vu_vhost_dev.virtqueue[j], 0, sizeof(struct vhost_virtqueue));
- xd->vu_vhost_dev.virtqueue[j]->kickfd = -1;
- xd->vu_vhost_dev.virtqueue[j]->callfd = -1;
- xd->vu_vhost_dev.virtqueue[j]->backend = -1;
- vui->vrings[j].packets = 0;
- vui->vrings[j].bytes = 0;
- }
-
- dpdk_device_lock_init(xd);
-
- DBG_SOCK("tm->n_vlib_mains: %d. TX %d, RX: %d, num_qpairs: %d, Lock: %p",
- tm->n_vlib_mains, xd->tx_q_used, xd->rx_q_used, num_qpairs, xd->lockp);
+ for (j = 0; j < num_qpairs * VIRTIO_QNUM; j++)
+ {
+ xd->vu_vhost_dev.virtqueue[j] =
+ clib_mem_alloc (sizeof (struct vhost_virtqueue));
+ memset (xd->vu_vhost_dev.virtqueue[j], 0,
+ sizeof (struct vhost_virtqueue));
+ xd->vu_vhost_dev.virtqueue[j]->kickfd = -1;
+ xd->vu_vhost_dev.virtqueue[j]->callfd = -1;
+ xd->vu_vhost_dev.virtqueue[j]->backend = -1;
+ vui->vrings[j].packets = 0;
+ vui->vrings[j].bytes = 0;
+ }
+
+ dpdk_device_lock_init (xd);
+
+ DBG_SOCK
+ ("tm->n_vlib_mains: %d. TX %d, RX: %d, num_qpairs: %d, Lock: %p",
+ tm->n_vlib_mains, xd->tx_q_used, xd->rx_q_used, num_qpairs,
+ xd->lockp);
vec_validate_aligned (xd->tx_vectors, tm->n_vlib_mains,
- CLIB_CACHE_LINE_BYTES);
+ CLIB_CACHE_LINE_BYTES);
for (j = 0; j < tm->n_vlib_mains; j++)
- {
- vec_validate_ha (xd->tx_vectors[j], DPDK_TX_RING_SIZE,
- sizeof(tx_ring_hdr_t), CLIB_CACHE_LINE_BYTES);
- vec_reset_length (xd->tx_vectors[j]);
- }
+ {
+ vec_validate_ha (xd->tx_vectors[j], xd->nb_tx_desc,
+ sizeof (tx_ring_hdr_t), CLIB_CACHE_LINE_BYTES);
+ vec_reset_length (xd->tx_vectors[j]);
+ }
// reset rx vector
for (j = 0; j < xd->rx_q_used; j++)
- {
- vec_validate_aligned (xd->rx_vectors[j], VLIB_FRAME_SIZE-1,
- CLIB_CACHE_LINE_BYTES);
- vec_reset_length (xd->rx_vectors[j]);
- }
-
- vec_validate_aligned (xd->frames, tm->n_vlib_mains,
- CLIB_CACHE_LINE_BYTES);
+ {
+ vec_validate_aligned (xd->rx_vectors[j], VLIB_FRAME_SIZE - 1,
+ CLIB_CACHE_LINE_BYTES);
+ vec_reset_length (xd->rx_vectors[j]);
+ }
- }
+ }
/*
* Generate random MAC address for the interface
*/
- if (hwaddr) {
- clib_memcpy(addr, hwaddr, sizeof(addr));
- } else {
- f64 now = vlib_time_now(vm);
- u32 rnd;
- rnd = (u32) (now * 1e6);
- rnd = random_u32 (&rnd);
-
- clib_memcpy (addr+2, &rnd, sizeof(rnd));
- addr[0] = 2;
- addr[1] = 0xfe;
- }
+ if (hwaddr)
+ {
+ clib_memcpy (addr, hwaddr, sizeof (addr));
+ }
+ else
+ {
+ f64 now = vlib_time_now (vm);
+ u32 rnd;
+ rnd = (u32) (now * 1e6);
+ rnd = random_u32 (&rnd);
+
+ clib_memcpy (addr + 2, &rnd, sizeof (rnd));
+ addr[0] = 2;
+ addr[1] = 0xfe;
+ }
error = ethernet_register_interface
- (dm->vnet_main,
- dpdk_device_class.index,
- xd->device_index,
+ (dm->vnet_main, dpdk_device_class.index, xd->device_index,
/* ethernet address */ addr,
- &xd->vlib_hw_if_index,
- 0);
+ &xd->vlib_hw_if_index, 0);
if (error)
return error;
*hw_if_index = xd->vlib_hw_if_index;
- DBG_SOCK("xd->device_index: %d, dm->input_cpu_count: %d, "
- "dm->input_cpu_first_index: %d\n", xd->device_index,
- dm->input_cpu_count, dm->input_cpu_first_index);
+ DBG_SOCK ("xd->device_index: %d, dm->input_cpu_count: %d, "
+ "dm->input_cpu_first_index: %d\n", xd->device_index,
+ dm->input_cpu_count, dm->input_cpu_first_index);
int q, next_cpu = 0;
- for (q = 0; q < num_qpairs; q++) {
- int cpu = dm->input_cpu_first_index +
- (next_cpu % dm->input_cpu_count);
+ for (q = 0; q < num_qpairs; q++)
+ {
+ int cpu = dm->input_cpu_first_index + (next_cpu % dm->input_cpu_count);
- unsigned lcore = vlib_worker_threads[cpu].dpdk_lcore_id;
- vec_validate(xd->cpu_socket_id_by_queue, q);
- xd->cpu_socket_id_by_queue[q] = rte_lcore_to_socket_id(lcore);
+ unsigned lcore = vlib_worker_threads[cpu].lcore_id;
+ vec_validate (xd->cpu_socket_id_by_queue, q);
+ xd->cpu_socket_id_by_queue[q] = rte_lcore_to_socket_id (lcore);
- vec_add2(dm->devices_by_cpu[cpu], dq, 1);
+ vec_add2 (dm->devices_by_cpu[cpu], dq, 1);
dq->device = xd->device_index;
dq->queue_id = q;
- DBG_SOCK("CPU for %d = %d. QID: %d", *hw_if_index, cpu, dq->queue_id);
+ DBG_SOCK ("CPU for %d = %d. QID: %d", *hw_if_index, cpu, dq->queue_id);
// start polling if it was not started yet (because of no phys ifaces)
- if (tm->n_vlib_mains == 1 && dpdk_input_node.state != VLIB_NODE_STATE_POLLING)
- vlib_node_set_state (vm, dpdk_input_node.index, VLIB_NODE_STATE_POLLING);
-
- if (tm->n_vlib_mains > 1 && tm->main_thread_is_io_node)
- vlib_node_set_state (vm, dpdk_io_input_node.index, VLIB_NODE_STATE_POLLING);
-
- if (tm->n_vlib_mains > 1 && !tm->main_thread_is_io_node)
- vlib_node_set_state (vlib_mains[cpu], dpdk_input_node.index,
- VLIB_NODE_STATE_POLLING);
+ if (tm->n_vlib_mains == 1
+ && dpdk_input_node.state != VLIB_NODE_STATE_POLLING)
+ vlib_node_set_state (vm, dpdk_input_node.index,
+ VLIB_NODE_STATE_POLLING);
+
+ if (tm->n_vlib_mains > 1)
+ vlib_node_set_state (vlib_mains[cpu], dpdk_input_node.index,
+ VLIB_NODE_STATE_POLLING);
next_cpu++;
- }
+ }
vlib_worker_thread_barrier_release (vm);
return 0;
}
#if RTE_VERSION >= RTE_VERSION_NUM(16, 4, 0, 0)
-static long get_huge_page_size(int fd)
+static long
+get_huge_page_size (int fd)
{
struct statfs s;
- fstatfs(fd, &s);
+ fstatfs (fd, &s);
return s.f_bsize;
}
#endif
-#if RTE_VERSION >= RTE_VERSION_NUM(2, 2, 0, 0)
static clib_error_t *
-dpdk_vhost_user_set_protocol_features(u32 hw_if_index, u64 prot_features)
+dpdk_vhost_user_set_protocol_features (u32 hw_if_index, u64 prot_features)
{
- dpdk_device_t * xd;
- xd = dpdk_vhost_user_device_from_hw_if_index(hw_if_index);
- assert(xd);
+ dpdk_device_t *xd;
+ xd = dpdk_vhost_user_device_from_hw_if_index (hw_if_index);
+ assert (xd);
xd->vu_vhost_dev.protocol_features = prot_features;
return 0;
}
-#endif
static clib_error_t *
-dpdk_vhost_user_get_features(u32 hw_if_index, u64 * features)
+dpdk_vhost_user_get_features (u32 hw_if_index, u64 * features)
{
- *features = rte_vhost_feature_get();
+ *features = rte_vhost_feature_get ();
#if RTE_VERSION >= RTE_VERSION_NUM(16, 4, 0, 0)
#define OFFLOAD_FEATURES ((1ULL << VIRTIO_NET_F_HOST_TSO4) | \
*features &= (~OFFLOAD_FEATURES);
#endif
- DBG_SOCK("supported features: 0x%lx", *features);
+ DBG_SOCK ("supported features: 0x%lx", *features);
return 0;
}
static clib_error_t *
-dpdk_vhost_user_set_features(u32 hw_if_index, u64 features)
+dpdk_vhost_user_set_features (u32 hw_if_index, u64 features)
{
- dpdk_device_t * xd;
- u16 hdr_len = sizeof(struct virtio_net_hdr);
+ dpdk_device_t *xd;
+ u16 hdr_len = sizeof (struct virtio_net_hdr);
- if (!(xd = dpdk_vhost_user_device_from_hw_if_index(hw_if_index))) {
- clib_warning("not a vhost-user interface");
- return 0;
- }
+ if (!(xd = dpdk_vhost_user_device_from_hw_if_index (hw_if_index)))
+ {
+ clib_warning ("not a vhost-user interface");
+ return 0;
+ }
xd->vu_vhost_dev.features = features;
if (xd->vu_vhost_dev.features & (1 << VIRTIO_NET_F_MRG_RXBUF))
- hdr_len = sizeof(struct virtio_net_hdr_mrg_rxbuf);
+ hdr_len = sizeof (struct virtio_net_hdr_mrg_rxbuf);
int numqs = VIRTIO_QNUM;
u8 idx;
-#if RTE_VERSION >= RTE_VERSION_NUM(2, 2, 0, 0)
- int prot_feature = features &
- (1ULL << VHOST_USER_F_PROTOCOL_FEATURES);
+ int prot_feature = features & (1ULL << VHOST_USER_F_PROTOCOL_FEATURES);
numqs = xd->vu_vhost_dev.virt_qp_nb * VIRTIO_QNUM;
-#endif
- for (idx = 0; idx < numqs; idx++) {
+ for (idx = 0; idx < numqs; idx++)
+ {
xd->vu_vhost_dev.virtqueue[idx]->vhost_hlen = hdr_len;
-#if RTE_VERSION >= RTE_VERSION_NUM(2, 2, 0, 0)
/*
* Spec says, if F_PROTOCOL_FEATURE is not set by the
* slave, then all the vrings should start off as
* enabled. If slave negotiates F_PROTOCOL_FEATURE, then
* slave is responsible to enable it.
*/
- if (! prot_feature)
- dpdk_vhost_user_set_vring_enable(hw_if_index, idx, 1);
-#endif
- }
+ if (!prot_feature)
+ dpdk_vhost_user_set_vring_enable (hw_if_index, idx, 1);
+ }
return 0;
}
static clib_error_t *
-dpdk_vhost_user_set_mem_table(u32 hw_if_index, vhost_user_memory_t * vum, int fd[])
+dpdk_vhost_user_set_mem_table (u32 hw_if_index, vhost_user_memory_t * vum,
+ int fd[])
{
- struct virtio_memory * mem;
+ struct virtio_memory *mem;
int i;
- dpdk_device_t * xd;
- dpdk_vu_intf_t * vui;
+ dpdk_device_t *xd;
+ dpdk_vu_intf_t *vui;
- if (!(xd = dpdk_vhost_user_device_from_hw_if_index(hw_if_index))) {
- clib_warning("not a vhost-user interface");
- return 0;
- }
+ if (!(xd = dpdk_vhost_user_device_from_hw_if_index (hw_if_index)))
+ {
+ clib_warning ("not a vhost-user interface");
+ return 0;
+ }
vui = xd->vu_intf;
mem = xd->vu_vhost_dev.mem;
mem->nregions = vum->nregions;
- for (i=0; i < mem->nregions; i++) {
- u64 mapped_size, mapped_address;
-
- mem->regions[i].guest_phys_address = vum->regions[i].guest_phys_addr;
- mem->regions[i].guest_phys_address_end = vum->regions[i].guest_phys_addr +
- vum->regions[i].memory_size;
- mem->regions[i].memory_size = vum->regions[i].memory_size;
- mem->regions[i].userspace_address = vum->regions[i].userspace_addr;
-
- mapped_size = mem->regions[i].memory_size + vum->regions[i].mmap_offset;
- mapped_address = pointer_to_uword(mmap(NULL, mapped_size, PROT_READ | PROT_WRITE, MAP_SHARED, fd[i], 0));
-
- if (uword_to_pointer(mapped_address, void*) == MAP_FAILED)
+ for (i = 0; i < mem->nregions; i++)
{
- clib_warning("mmap error");
- return 0;
- }
-
- mapped_address += vum->regions[i].mmap_offset;
- vui->region_addr[i] = mapped_address;
- vui->region_fd[i] = fd[i];
- mem->regions[i].address_offset = mapped_address - mem->regions[i].guest_phys_address;
-
- if (vum->regions[i].guest_phys_addr == 0) {
- mem->base_address = vum->regions[i].userspace_addr;
- mem->mapped_address = mem->regions[i].address_offset;
+ u64 mapped_size, mapped_address;
+
+ mem->regions[i].guest_phys_address = vum->regions[i].guest_phys_addr;
+ mem->regions[i].guest_phys_address_end =
+ vum->regions[i].guest_phys_addr + vum->regions[i].memory_size;
+ mem->regions[i].memory_size = vum->regions[i].memory_size;
+ mem->regions[i].userspace_address = vum->regions[i].userspace_addr;
+
+ mapped_size = mem->regions[i].memory_size + vum->regions[i].mmap_offset;
+ mapped_address =
+ pointer_to_uword (mmap
+ (NULL, mapped_size, PROT_READ | PROT_WRITE,
+ MAP_SHARED, fd[i], 0));
+
+ if (uword_to_pointer (mapped_address, void *) == MAP_FAILED)
+ {
+ clib_warning ("mmap error");
+ return 0;
+ }
+
+ mapped_address += vum->regions[i].mmap_offset;
+ vui->region_addr[i] = mapped_address;
+ vui->region_fd[i] = fd[i];
+ vui->region_offset[i] = vum->regions[i].mmap_offset;
+ mem->regions[i].address_offset =
+ mapped_address - mem->regions[i].guest_phys_address;
+
+ DBG_SOCK ("map memory region %d addr 0x%lx off 0x%lx len 0x%lx",
+ i, vui->region_addr[i], vui->region_offset[i], mapped_size);
+
+ if (vum->regions[i].guest_phys_addr == 0)
+ {
+ mem->base_address = vum->regions[i].userspace_addr;
+ mem->mapped_address = mem->regions[i].address_offset;
+ }
}
- }
- disable_interface(xd);
+ disable_interface (xd);
return 0;
}
static clib_error_t *
-dpdk_vhost_user_set_vring_num(u32 hw_if_index, u8 idx, u32 num)
+dpdk_vhost_user_set_vring_num (u32 hw_if_index, u8 idx, u32 num)
{
- dpdk_device_t * xd;
+ dpdk_device_t *xd;
struct vhost_virtqueue *vq;
- DBG_SOCK("idx %u num %u", idx, num);
+ DBG_SOCK ("idx %u num %u", idx, num);
- if (!(xd = dpdk_vhost_user_device_from_hw_if_index(hw_if_index))) {
- clib_warning("not a vhost-user interface");
- return 0;
- }
+ if (!(xd = dpdk_vhost_user_device_from_hw_if_index (hw_if_index)))
+ {
+ clib_warning ("not a vhost-user interface");
+ return 0;
+ }
vq = xd->vu_vhost_dev.virtqueue[idx];
vq->size = num;
- stop_processing_packets(hw_if_index, idx);
+ stop_processing_packets (hw_if_index, idx);
return 0;
}
static clib_error_t *
-dpdk_vhost_user_set_vring_addr(u32 hw_if_index, u8 idx, u64 desc, \
- u64 used, u64 avail, u64 log)
+dpdk_vhost_user_set_vring_addr (u32 hw_if_index, u8 idx, uword desc,
+ uword used, uword avail, uword log)
{
- dpdk_device_t * xd;
+ dpdk_device_t *xd;
struct vhost_virtqueue *vq;
- DBG_SOCK("idx %u desc 0x%lx used 0x%lx avail 0x%lx log 0x%lx",
- idx, desc, used, avail, log);
+ DBG_SOCK ("idx %u desc 0x%lx used 0x%lx avail 0x%lx log 0x%lx",
+ idx, desc, used, avail, log);
- if (!(xd = dpdk_vhost_user_device_from_hw_if_index(hw_if_index))) {
- clib_warning("not a vhost-user interface");
- return 0;
- }
+ if (!(xd = dpdk_vhost_user_device_from_hw_if_index (hw_if_index)))
+ {
+ clib_warning ("not a vhost-user interface");
+ return 0;
+ }
vq = xd->vu_vhost_dev.virtqueue[idx];
- vq->desc = (struct vring_desc *) qva_to_vva(&xd->vu_vhost_dev, desc);
- vq->used = (struct vring_used *) qva_to_vva(&xd->vu_vhost_dev, used);
- vq->avail = (struct vring_avail *) qva_to_vva(&xd->vu_vhost_dev, avail);
+ vq->desc = (struct vring_desc *) qva_to_vva (&xd->vu_vhost_dev, desc);
+ vq->used = (struct vring_used *) qva_to_vva (&xd->vu_vhost_dev, used);
+ vq->avail = (struct vring_avail *) qva_to_vva (&xd->vu_vhost_dev, avail);
#if RTE_VERSION >= RTE_VERSION_NUM(16, 4, 0, 0)
vq->log_guest_addr = log;
#endif
- if (!(vq->desc && vq->used && vq->avail)) {
- clib_warning("falied to set vring addr");
- }
+ if (!(vq->desc && vq->used && vq->avail))
+ {
+ clib_warning ("falied to set vring addr");
+ }
- stop_processing_packets(hw_if_index, idx);
+ if (vq->last_used_idx != vq->used->idx)
+ {
+ clib_warning ("last_used_idx (%u) and vq->used->idx (%u) mismatches; "
+ "some packets maybe resent for Tx and dropped for Rx",
+ vq->last_used_idx, vq->used->idx);
+ vq->last_used_idx = vq->used->idx;
+ vq->last_used_idx_res = vq->used->idx;
+ }
+
+ /*
+ * Inform the guest that there is no need to inform (kick) the
+ * host when it adds buffers. kick results in vmexit and will
+ * incur performance degradation.
+ *
+ * The below function sets a flag in used table. Therefore,
+ * should be initialized after initializing vq->used.
+ */
+ rte_vhost_enable_guest_notification (&xd->vu_vhost_dev, idx, 0);
+ stop_processing_packets (hw_if_index, idx);
return 0;
}
static clib_error_t *
-dpdk_vhost_user_get_vring_base(u32 hw_if_index, u8 idx, u32 * num)
+dpdk_vhost_user_get_vring_base (u32 hw_if_index, u8 idx, u32 * num)
{
- dpdk_device_t * xd;
+ dpdk_device_t *xd;
struct vhost_virtqueue *vq;
- if (!(xd = dpdk_vhost_user_device_from_hw_if_index(hw_if_index))) {
- clib_warning("not a vhost-user interface");
- return 0;
- }
+ if (!(xd = dpdk_vhost_user_device_from_hw_if_index (hw_if_index)))
+ {
+ clib_warning ("not a vhost-user interface");
+ return 0;
+ }
vq = xd->vu_vhost_dev.virtqueue[idx];
*num = vq->last_used_idx;
* on the descriptor specified by VHOST_USER_SET_VRING_KICK,
* and stop ring upon receiving VHOST_USER_GET_VRING_BASE.
*/
- DBG_SOCK("Stopping vring Q %u of device %d", idx, hw_if_index);
-#if RTE_VERSION >= RTE_VERSION_NUM(2, 2, 0, 0)
+ DBG_SOCK ("Stopping vring Q %u of device %d", idx, hw_if_index);
dpdk_vu_intf_t *vui = xd->vu_intf;
- vui->vrings[idx].enabled = 0; /* Reset local copy */
- vui->vrings[idx].callfd = -1; /* Reset FD */
+
+ /* if there is old fd, delete it */
+ if (vui->vrings[idx].callfd > 0)
+ {
+ unix_file_t *uf = pool_elt_at_index (unix_main.file_pool,
+ vui->vrings[idx].callfd_idx);
+ unix_file_del (&unix_main, uf);
+ }
+
+ vui->vrings[idx].enabled = 0; /* Reset local copy */
+ vui->vrings[idx].callfd = -1; /* Reset FD */
vq->enabled = 0;
vq->desc = NULL;
vq->used = NULL;
/* Check if all Qs are disabled */
int numqs = xd->vu_vhost_dev.virt_qp_nb * VIRTIO_QNUM;
- for (idx = 0; idx < numqs; idx++) {
- if (xd->vu_vhost_dev.virtqueue[idx]->enabled)
- break;
- }
+ for (idx = 0; idx < numqs; idx++)
+ {
+ if (xd->vu_vhost_dev.virtqueue[idx]->enabled)
+ break;
+ }
/* If all vrings are disabed then disable device */
- if (idx == numqs) {
- DBG_SOCK("Device %d disabled", hw_if_index);
+ if (idx == numqs)
+ {
+ DBG_SOCK ("Device %d disabled", hw_if_index);
xd->vu_is_running = 0;
- }
-#else
- vq->desc = NULL;
- vq->used = NULL;
- vq->avail = NULL;
- xd->vu_is_running = 0;
-#endif
+ }
return 0;
}
static clib_error_t *
-dpdk_vhost_user_set_vring_base(u32 hw_if_index, u8 idx, u32 num)
+dpdk_vhost_user_set_vring_base (u32 hw_if_index, u8 idx, u32 num)
{
- dpdk_device_t * xd;
+ dpdk_device_t *xd;
struct vhost_virtqueue *vq;
- DBG_SOCK("idx %u num %u", idx, num);
+ DBG_SOCK ("idx %u num %u", idx, num);
- if (!(xd = dpdk_vhost_user_device_from_hw_if_index(hw_if_index))) {
- clib_warning("not a vhost-user interface");
- return 0;
- }
+ if (!(xd = dpdk_vhost_user_device_from_hw_if_index (hw_if_index)))
+ {
+ clib_warning ("not a vhost-user interface");
+ return 0;
+ }
vq = xd->vu_vhost_dev.virtqueue[idx];
vq->last_used_idx = num;
vq->last_used_idx_res = num;
- stop_processing_packets(hw_if_index, idx);
+ stop_processing_packets (hw_if_index, idx);
return 0;
}
static clib_error_t *
-dpdk_vhost_user_set_vring_kick(u32 hw_if_index, u8 idx, int fd)
+dpdk_vhost_user_set_vring_kick (u32 hw_if_index, u8 idx, int fd)
{
- dpdk_main_t * dm = &dpdk_main;
- dpdk_device_t * xd;
-#if RTE_VERSION >= RTE_VERSION_NUM(2, 2, 0, 0)
+ dpdk_main_t *dm = &dpdk_main;
+ dpdk_device_t *xd;
dpdk_vu_vring *vring;
-#endif
struct vhost_virtqueue *vq0, *vq1, *vq;
int index, vu_is_running = 0;
- if (!(xd = dpdk_vhost_user_device_from_hw_if_index(hw_if_index))) {
- clib_warning("not a vhost-user interface");
- return 0;
- }
+ if (!(xd = dpdk_vhost_user_device_from_hw_if_index (hw_if_index)))
+ {
+ clib_warning ("not a vhost-user interface");
+ return 0;
+ }
vq = xd->vu_vhost_dev.virtqueue[idx];
vq->kickfd = fd;
-#if RTE_VERSION >= RTE_VERSION_NUM(2, 2, 0, 0)
vring = &xd->vu_intf->vrings[idx];
vq->enabled = (vq->desc && vq->avail && vq->used && vring->enabled) ? 1 : 0;
-#endif
/*
* Set xd->vu_is_running if at least one pair of
* RX/TX queues are enabled.
*/
int numqs = VIRTIO_QNUM;
-#if RTE_VERSION >= RTE_VERSION_NUM(2, 2, 0, 0)
numqs = xd->vu_vhost_dev.virt_qp_nb * VIRTIO_QNUM;
-#endif
- for (index = 0; index < numqs; index += 2) {
- vq0 = xd->vu_vhost_dev.virtqueue[index]; /* RX */
- vq1 = xd->vu_vhost_dev.virtqueue[index + 1]; /* TX */
-#if RTE_VERSION >= RTE_VERSION_NUM(2, 2, 0, 0)
- if (vq0->enabled && vq1->enabled)
-#else
- if (vq0->desc && vq0->avail && vq0->used &&
- vq1->desc && vq1->avail && vq1->used)
-#endif
+ for (index = 0; index < numqs; index += 2)
{
- vu_is_running = 1;
- break;
+ vq0 = xd->vu_vhost_dev.virtqueue[index]; /* RX */
+ vq1 = xd->vu_vhost_dev.virtqueue[index + 1]; /* TX */
+ if (vq0->enabled && vq1->enabled)
+ {
+ vu_is_running = 1;
+ break;
+ }
}
- }
- DBG_SOCK("SET_VRING_KICK - idx %d, running %d, fd: %d",
- idx, vu_is_running, fd);
+ DBG_SOCK ("SET_VRING_KICK - idx %d, running %d, fd: %d",
+ idx, vu_is_running, fd);
xd->vu_is_running = vu_is_running;
- if (xd->vu_is_running && xd->admin_up) {
- vnet_hw_interface_set_flags (dm->vnet_main,
- xd->vlib_hw_if_index, VNET_HW_INTERFACE_FLAG_LINK_UP |
- ETH_LINK_FULL_DUPLEX );
- }
+ if (xd->vu_is_running && xd->admin_up)
+ {
+ vnet_hw_interface_set_flags (dm->vnet_main,
+ xd->vlib_hw_if_index,
+ VNET_HW_INTERFACE_FLAG_LINK_UP |
+ ETH_LINK_FULL_DUPLEX);
+ }
return 0;
}
-#if RTE_VERSION >= RTE_VERSION_NUM(2, 2, 0, 0)
static int
-dpdk_vhost_user_set_vring_enable(u32 hw_if_index, u8 idx, int enable)
+dpdk_vhost_user_set_vring_enable (u32 hw_if_index, u8 idx, int enable)
{
- dpdk_device_t * xd;
+ dpdk_device_t *xd;
struct vhost_virtqueue *vq;
dpdk_vu_intf_t *vui;
- if (!(xd = dpdk_vhost_user_device_from_hw_if_index(hw_if_index))) {
- clib_warning("not a vhost-user interface");
- return 0;
- }
+ if (!(xd = dpdk_vhost_user_device_from_hw_if_index (hw_if_index)))
+ {
+ clib_warning ("not a vhost-user interface");
+ return 0;
+ }
vui = xd->vu_intf;
/*
* are set. If not, vq will be enabled when vring
* is kicked.
*/
- vui->vrings[idx].enabled = enable; /* Save local copy */
+ vui->vrings[idx].enabled = enable; /* Save local copy */
int numqs = xd->vu_vhost_dev.virt_qp_nb * VIRTIO_QNUM;
- while (numqs--) {
- if (! vui->vrings[numqs].enabled)
- break;
- }
+ while (numqs--)
+ {
+ if (!vui->vrings[numqs].enabled)
+ break;
+ }
- if (numqs == -1) /* All Qs are enabled */
+ if (numqs == -1) /* All Qs are enabled */
xd->need_txlock = 0;
else
xd->need_txlock = 1;
return 0;
}
-#endif
-static clib_error_t * dpdk_vhost_user_callfd_read_ready (unix_file_t * uf)
+static clib_error_t *
+dpdk_vhost_user_callfd_read_ready (unix_file_t * uf)
{
- __attribute__((unused)) int n;
+ __attribute__ ((unused)) int n;
u8 buff[8];
- n = read(uf->file_descriptor, ((char*)&buff), 8);
+ n = read (uf->file_descriptor, ((char *) &buff), 8);
return 0;
}
static clib_error_t *
-dpdk_vhost_user_set_vring_call(u32 hw_if_index, u8 idx, int fd)
+dpdk_vhost_user_set_vring_call (u32 hw_if_index, u8 idx, int fd)
{
- dpdk_device_t * xd;
+ dpdk_device_t *xd;
struct vhost_virtqueue *vq;
- unix_file_t template = {0};
+ unix_file_t template = { 0 };
- DBG_SOCK("SET_VRING_CALL - idx %d, fd %d", idx, fd);
+ DBG_SOCK ("SET_VRING_CALL - idx %d, fd %d", idx, fd);
- if (!(xd = dpdk_vhost_user_device_from_hw_if_index(hw_if_index))) {
- clib_warning("not a vhost-user interface");
- return 0;
- }
+ if (!(xd = dpdk_vhost_user_device_from_hw_if_index (hw_if_index)))
+ {
+ clib_warning ("not a vhost-user interface");
+ return 0;
+ }
dpdk_vu_intf_t *vui = xd->vu_intf;
/* if there is old fd, delete it */
- if (vui->vrings[idx].callfd > 0) {
- unix_file_t * uf = pool_elt_at_index (unix_main.file_pool,
- vui->vrings[idx].callfd_idx);
- unix_file_del (&unix_main, uf);
- }
+ if (vui->vrings[idx].callfd > -1)
+ {
+ unix_file_t *uf = pool_elt_at_index (unix_main.file_pool,
+ vui->vrings[idx].callfd_idx);
+ unix_file_del (&unix_main, uf);
+ }
vui->vrings[idx].callfd = fd;
template.read_function = dpdk_vhost_user_callfd_read_ready;
template.file_descriptor = fd;
vui->vrings[idx].callfd_idx = unix_file_add (&unix_main, &template);
vq = xd->vu_vhost_dev.virtqueue[idx];
- vq->callfd = -1; /* We use locally saved vring->callfd; */
+ vq->callfd = -1; /* We use locally saved vring->callfd; */
return 0;
}
u8
-dpdk_vhost_user_want_interrupt(dpdk_device_t *xd, int idx)
+dpdk_vhost_user_want_interrupt (dpdk_device_t * xd, int idx)
{
- dpdk_vu_intf_t *vui = xd->vu_intf;
- ASSERT(vui != NULL);
+ dpdk_vu_intf_t *vui = xd->vu_intf;
+ ASSERT (vui != NULL);
- if (PREDICT_FALSE(vui->num_vrings <= 0))
- return 0;
+ if (PREDICT_FALSE (vui->num_vrings <= 0))
+ return 0;
- dpdk_vu_vring *vring = &(vui->vrings[idx]);
- struct vhost_virtqueue *vq = xd->vu_vhost_dev.virtqueue[idx];
+ dpdk_vu_vring *vring = &(vui->vrings[idx]);
+ struct vhost_virtqueue *vq = xd->vu_vhost_dev.virtqueue[idx];
- /* return if vm is interested in interrupts */
- return (vring->callfd > 0) && !(vq->avail->flags & VRING_AVAIL_F_NO_INTERRUPT);
+ /* return if vm is interested in interrupts */
+ return (vring->callfd > -1)
+ && !(vq->avail->flags & VRING_AVAIL_F_NO_INTERRUPT);
}
void
-dpdk_vhost_user_send_interrupt(vlib_main_t * vm, dpdk_device_t * xd, int idx)
+dpdk_vhost_user_send_interrupt (vlib_main_t * vm, dpdk_device_t * xd, int idx)
{
- dpdk_main_t * dm = &dpdk_main;
- dpdk_vu_intf_t *vui = xd->vu_intf;
- ASSERT(vui != NULL);
+ dpdk_main_t *dm = &dpdk_main;
+ dpdk_vu_intf_t *vui = xd->vu_intf;
+ ASSERT (vui != NULL);
- if (PREDICT_FALSE(vui->num_vrings <= 0))
- return;
+ if (PREDICT_FALSE (vui->num_vrings <= 0))
+ return;
- dpdk_vu_vring *vring = &(vui->vrings[idx]);
- struct vhost_virtqueue *vq = xd->vu_vhost_dev.virtqueue[idx];
+ dpdk_vu_vring *vring = &(vui->vrings[idx]);
+ struct vhost_virtqueue *vq = xd->vu_vhost_dev.virtqueue[idx];
- /* if vm is interested in interrupts */
- if((vring->callfd > 0) && !(vq->avail->flags & VRING_AVAIL_F_NO_INTERRUPT)) {
- eventfd_write(vring->callfd, (eventfd_t)1);
- vring->n_since_last_int = 0;
- vring->int_deadline = vlib_time_now(vm) + dm->vhost_coalesce_time;
+ /* if vm is interested in interrupts */
+ if ((vring->callfd > -1)
+ && !(vq->avail->flags & VRING_AVAIL_F_NO_INTERRUPT))
+ {
+ eventfd_write (vring->callfd, (eventfd_t) 1);
+ vring->n_since_last_int = 0;
+ vring->int_deadline =
+ vlib_time_now (vm) + dm->conf->vhost_coalesce_time;
}
}
/*
- * vhost-user interface management functions
+ * vhost-user interface management functions
*/
// initialize vui with specified attributes
-static void
-dpdk_vhost_user_vui_init(vnet_main_t * vnm,
- dpdk_device_t *xd, int sockfd,
- const char * sock_filename,
- u8 is_server, u64 feature_mask,
- u32 * sw_if_index)
+static void
+dpdk_vhost_user_vui_init (vnet_main_t * vnm,
+ dpdk_device_t * xd, int sockfd,
+ const char *sock_filename,
+ u8 is_server, u64 feature_mask, u32 * sw_if_index)
{
+ int q;
dpdk_vu_intf_t *vui = xd->vu_intf;
- memset(vui, 0, sizeof(*vui));
+ memset (vui, 0, sizeof (*vui));
vui->unix_fd = sockfd;
-#if RTE_VERSION >= RTE_VERSION_NUM(2, 2, 0, 0)
vui->num_vrings = xd->vu_vhost_dev.virt_qp_nb * VIRTIO_QNUM;
-#else
- vui->num_vrings = VIRTIO_QNUM;
-#endif
- DBG_SOCK("dpdk_vhost_user_vui_init VRINGS: %d", vui->num_vrings);
+ DBG_SOCK ("dpdk_vhost_user_vui_init VRINGS: %d", vui->num_vrings);
vui->sock_is_server = is_server;
- strncpy(vui->sock_filename, sock_filename, ARRAY_LEN(vui->sock_filename)-1);
+ strncpy (vui->sock_filename, sock_filename,
+ ARRAY_LEN (vui->sock_filename) - 1);
vui->sock_errno = 0;
vui->is_up = 0;
vui->feature_mask = feature_mask;
vui->active = 1;
vui->unix_file_index = ~0;
- vnet_hw_interface_set_flags (vnm, xd->vlib_hw_if_index, 0);
+ for (q = 0; q < vui->num_vrings; q++)
+ {
+ vui->vrings[q].enabled = 0;
+ vui->vrings[q].callfd = -1;
+ vui->vrings[q].kickfd = -1;
+ }
+
+ vnet_hw_interface_set_flags (vnm, xd->vlib_hw_if_index, 0);
if (sw_if_index)
- *sw_if_index = xd->vlib_sw_if_index;
+ *sw_if_index = xd->vlib_sw_if_index;
}
// register vui and start polling on it
-static void
-dpdk_vhost_user_vui_register(vlib_main_t * vm, dpdk_device_t *xd)
+static void
+dpdk_vhost_user_vui_register (vlib_main_t * vm, dpdk_device_t * xd)
{
- dpdk_main_t * dm = &dpdk_main;
+ dpdk_main_t *dm = &dpdk_main;
dpdk_vu_intf_t *vui = xd->vu_intf;
hash_set (dm->vu_sw_if_index_by_listener_fd, vui->unix_fd,
- xd->vlib_sw_if_index);
+ xd->vlib_sw_if_index);
+}
+
+static void
+dpdk_unmap_all_mem_regions (dpdk_device_t * xd)
+{
+ int i, r;
+ dpdk_vu_intf_t *vui = xd->vu_intf;
+ struct virtio_memory *mem = xd->vu_vhost_dev.mem;
+
+ for (i = 0; i < mem->nregions; i++)
+ {
+ if (vui->region_addr[i] != -1)
+ {
+
+ long page_sz = get_huge_page_size (vui->region_fd[i]);
+
+ ssize_t map_sz = RTE_ALIGN_CEIL (mem->regions[i].memory_size +
+ vui->region_offset[i], page_sz);
+
+ r =
+ munmap ((void *) (vui->region_addr[i] - vui->region_offset[i]),
+ map_sz);
+
+ DBG_SOCK
+ ("unmap memory region %d addr 0x%lx off 0x%lx len 0x%lx page_sz 0x%x",
+ i, vui->region_addr[i], vui->region_offset[i], map_sz, page_sz);
+
+ vui->region_addr[i] = -1;
+
+ if (r == -1)
+ {
+ clib_unix_warning ("failed to unmap memory region");
+ }
+ close (vui->region_fd[i]);
+ }
+ }
+ mem->nregions = 0;
}
static inline void
-dpdk_vhost_user_if_disconnect(dpdk_device_t * xd)
+dpdk_vhost_user_if_disconnect (dpdk_device_t * xd)
{
- dpdk_vu_intf_t *vui = xd->vu_intf;
- vnet_main_t * vnm = vnet_get_main();
- dpdk_main_t * dm = &dpdk_main;
+ dpdk_vu_intf_t *vui = xd->vu_intf;
+ vnet_main_t *vnm = vnet_get_main ();
+ dpdk_main_t *dm = &dpdk_main;
+ struct vhost_virtqueue *vq;
+ int q;
- xd->admin_up = 0;
- vnet_hw_interface_set_flags (vnm, xd->vlib_hw_if_index, 0);
+ xd->admin_up = 0;
+ vnet_hw_interface_set_flags (vnm, xd->vlib_hw_if_index, 0);
- if (vui->unix_file_index != ~0) {
- unix_file_del (&unix_main, unix_main.file_pool + vui->unix_file_index);
- vui->unix_file_index = ~0;
+ if (vui->unix_file_index != ~0)
+ {
+ unix_file_del (&unix_main, unix_main.file_pool + vui->unix_file_index);
+ vui->unix_file_index = ~0;
}
- hash_unset(dm->vu_sw_if_index_by_sock_fd, vui->unix_fd);
- hash_unset(dm->vu_sw_if_index_by_listener_fd, vui->unix_fd);
- close(vui->unix_fd);
- vui->unix_fd = -1;
- vui->is_up = 0;
+ hash_unset (dm->vu_sw_if_index_by_sock_fd, vui->unix_fd);
+ hash_unset (dm->vu_sw_if_index_by_listener_fd, vui->unix_fd);
+ close (vui->unix_fd);
+ vui->unix_fd = -1;
+ vui->is_up = 0;
- DBG_SOCK("interface ifindex %d disconnected", xd->vlib_sw_if_index);
+ for (q = 0; q < vui->num_vrings; q++)
+ {
+ vq = xd->vu_vhost_dev.virtqueue[q];
+ if (vui->vrings[q].callfd > -1)
+ {
+ unix_file_t *uf = pool_elt_at_index (unix_main.file_pool,
+ vui->vrings[q].callfd_idx);
+ unix_file_del (&unix_main, uf);
+ }
+
+ if (vui->vrings[q].kickfd > -1)
+ {
+ close (vui->vrings[q].kickfd);
+ vui->vrings[q].kickfd = -1;
+ }
+
+ vui->vrings[q].enabled = 0; /* Reset local copy */
+ vui->vrings[q].callfd = -1; /* Reset FD */
+ vq->enabled = 0;
+#if RTE_VERSION >= RTE_VERSION_NUM(16, 4, 0, 0)
+ vq->log_guest_addr = 0;
+#endif
+ vq->desc = NULL;
+ vq->used = NULL;
+ vq->avail = NULL;
+ }
+ xd->vu_is_running = 0;
+
+ dpdk_unmap_all_mem_regions (xd);
+ DBG_SOCK ("interface ifindex %d disconnected", xd->vlib_sw_if_index);
}
-static clib_error_t * dpdk_vhost_user_socket_read (unix_file_t * uf)
+static clib_error_t *
+dpdk_vhost_user_socket_read (unix_file_t * uf)
{
int n;
int fd, number_of_fds = 0;
vhost_user_msg_t msg;
struct msghdr mh;
struct iovec iov[1];
- dpdk_main_t * dm = &dpdk_main;
+ dpdk_main_t *dm = &dpdk_main;
dpdk_device_t *xd;
dpdk_vu_intf_t *vui;
struct cmsghdr *cmsg;
- uword * p;
+ uword *p;
u8 q;
- vnet_main_t * vnm = vnet_get_main();
+ vnet_main_t *vnm = vnet_get_main ();
p = hash_get (dm->vu_sw_if_index_by_sock_fd, uf->file_descriptor);
- if (p == 0) {
- DBG_SOCK ("FD %d doesn't belong to any interface",
- uf->file_descriptor);
+ if (p == 0)
+ {
+ DBG_SOCK ("FD %d doesn't belong to any interface", uf->file_descriptor);
return 0;
}
else
- xd = dpdk_vhost_user_device_from_sw_if_index(p[0]);
+ xd = dpdk_vhost_user_device_from_sw_if_index (p[0]);
- ASSERT(xd != NULL);
+ ASSERT (xd != NULL);
vui = xd->vu_intf;
- char control[CMSG_SPACE(VHOST_MEMORY_MAX_NREGIONS * sizeof(int))];
+ char control[CMSG_SPACE (VHOST_MEMORY_MAX_NREGIONS * sizeof (int))];
- memset(&mh, 0, sizeof(mh));
- memset(control, 0, sizeof(control));
+ memset (&mh, 0, sizeof (mh));
+ memset (control, 0, sizeof (control));
/* set the payload */
iov[0].iov_base = (void *) &msg;
mh.msg_iov = iov;
mh.msg_iovlen = 1;
mh.msg_control = control;
- mh.msg_controllen = sizeof(control);
+ mh.msg_controllen = sizeof (control);
- n = recvmsg(uf->file_descriptor, &mh, 0);
+ n = recvmsg (uf->file_descriptor, &mh, 0);
if (n != VHOST_USER_MSG_HDR_SZ)
goto close_socket;
- if (mh.msg_flags & MSG_CTRUNC) {
- goto close_socket;
- }
+ if (mh.msg_flags & MSG_CTRUNC)
+ {
+ goto close_socket;
+ }
- cmsg = CMSG_FIRSTHDR(&mh);
+ cmsg = CMSG_FIRSTHDR (&mh);
if (cmsg && (cmsg->cmsg_len > 0) && (cmsg->cmsg_level == SOL_SOCKET) &&
(cmsg->cmsg_type == SCM_RIGHTS) &&
- (cmsg->cmsg_len - CMSG_LEN(0) <= VHOST_MEMORY_MAX_NREGIONS * sizeof(int))) {
- number_of_fds = (cmsg->cmsg_len - CMSG_LEN(0)) / sizeof(int);
- clib_memcpy(fds, CMSG_DATA(cmsg), number_of_fds * sizeof(int));
- }
+ (cmsg->cmsg_len - CMSG_LEN (0) <=
+ VHOST_MEMORY_MAX_NREGIONS * sizeof (int)))
+ {
+ number_of_fds = (cmsg->cmsg_len - CMSG_LEN (0)) / sizeof (int);
+ clib_memcpy (fds, CMSG_DATA (cmsg), number_of_fds * sizeof (int));
+ }
- /* version 1, no reply bit set*/
- if ((msg.flags & 7) != 1) {
- DBG_SOCK("malformed message received. closing socket");
- goto close_socket;
- }
+ /* version 1, no reply bit set */
+ if ((msg.flags & 7) != 1)
+ {
+ DBG_SOCK ("malformed message received. closing socket");
+ goto close_socket;
+ }
{
- int rv __attribute__((unused));
- /* $$$$ pay attention to rv */
- rv = read(uf->file_descriptor, ((char*)&msg) + n, msg.size);
+ int rv __attribute__ ((unused));
+ /* $$$$ pay attention to rv */
+ rv = read (uf->file_descriptor, ((char *) &msg) + n, msg.size);
}
- DBG_SOCK("VPP VHOST message %s", vhost_message_str[msg.request]);
- switch (msg.request) {
+ DBG_SOCK ("VPP VHOST message %s", vhost_message_str[msg.request]);
+ switch (msg.request)
+ {
case VHOST_USER_GET_FEATURES:
- DBG_SOCK("if %d msg VHOST_USER_GET_FEATURES",
- xd->vlib_hw_if_index);
+ DBG_SOCK ("if %d msg VHOST_USER_GET_FEATURES", xd->vlib_hw_if_index);
msg.flags |= VHOST_USER_REPLY_MASK;
- dpdk_vhost_user_get_features(xd->vlib_hw_if_index, &msg.u64);
+ dpdk_vhost_user_get_features (xd->vlib_hw_if_index, &msg.u64);
msg.u64 &= vui->feature_mask;
- msg.size = sizeof(msg.u64);
+ msg.size = sizeof (msg.u64);
break;
case VHOST_USER_SET_FEATURES:
- DBG_SOCK("if %d msg VHOST_USER_SET_FEATURES features 0x%016lx",
- xd->vlib_hw_if_index, msg.u64);
+ DBG_SOCK ("if %d msg VHOST_USER_SET_FEATURES features 0x%016lx",
+ xd->vlib_hw_if_index, msg.u64);
- dpdk_vhost_user_set_features(xd->vlib_hw_if_index, msg.u64);
+ dpdk_vhost_user_set_features (xd->vlib_hw_if_index, msg.u64);
break;
case VHOST_USER_SET_MEM_TABLE:
- DBG_SOCK("if %d msg VHOST_USER_SET_MEM_TABLE nregions %d",
- xd->vlib_hw_if_index, msg.memory.nregions);
+ DBG_SOCK ("if %d msg VHOST_USER_SET_MEM_TABLE nregions %d",
+ xd->vlib_hw_if_index, msg.memory.nregions);
if ((msg.memory.nregions < 1) ||
- (msg.memory.nregions > VHOST_MEMORY_MAX_NREGIONS)) {
+ (msg.memory.nregions > VHOST_MEMORY_MAX_NREGIONS))
+ {
- DBG_SOCK("number of mem regions must be between 1 and %i",
- VHOST_MEMORY_MAX_NREGIONS);
+ DBG_SOCK ("number of mem regions must be between 1 and %i",
+ VHOST_MEMORY_MAX_NREGIONS);
- goto close_socket;
- }
+ goto close_socket;
+ }
- if (msg.memory.nregions != number_of_fds) {
- DBG_SOCK("each memory region must have FD");
- goto close_socket;
- }
+ if (msg.memory.nregions != number_of_fds)
+ {
+ DBG_SOCK ("each memory region must have FD");
+ goto close_socket;
+ }
+
+ /* Unmap previously configured memory if necessary */
+ dpdk_unmap_all_mem_regions (xd);
- dpdk_vhost_user_set_mem_table(xd->vlib_hw_if_index, &msg.memory, fds);
+ dpdk_vhost_user_set_mem_table (xd->vlib_hw_if_index, &msg.memory, fds);
break;
case VHOST_USER_SET_VRING_NUM:
- DBG_SOCK("if %d msg VHOST_USER_SET_VRING_NUM idx %d num %d",
- xd->vlib_hw_if_index, msg.state.index, msg.state.num);
+ DBG_SOCK ("if %d msg VHOST_USER_SET_VRING_NUM idx %d num %d",
+ xd->vlib_hw_if_index, msg.state.index, msg.state.num);
- if ((msg.state.num > 32768) || /* maximum ring size is 32768 */
- (msg.state.num == 0) || /* it cannot be zero */
- (msg.state.num % 2)) /* must be power of 2 */
- goto close_socket;
+ if ((msg.state.num > 32768) || /* maximum ring size is 32768 */
+ (msg.state.num == 0) || /* it cannot be zero */
+ (msg.state.num % 2)) /* must be power of 2 */
+ goto close_socket;
- dpdk_vhost_user_set_vring_num(xd->vlib_hw_if_index, msg.state.index, msg.state.num);
+ dpdk_vhost_user_set_vring_num (xd->vlib_hw_if_index, msg.state.index,
+ msg.state.num);
break;
case VHOST_USER_SET_VRING_ADDR:
- DBG_SOCK("if %d msg VHOST_USER_SET_VRING_ADDR idx %d",
- xd->vlib_hw_if_index, msg.state.index);
-
- dpdk_vhost_user_set_vring_addr(xd->vlib_hw_if_index, msg.state.index,
- msg.addr.desc_user_addr,
- msg.addr.used_user_addr,
- msg.addr.avail_user_addr,
- msg.addr.log_guest_addr);
+ DBG_SOCK ("if %d msg VHOST_USER_SET_VRING_ADDR idx %d",
+ xd->vlib_hw_if_index, msg.state.index);
+
+ dpdk_vhost_user_set_vring_addr (xd->vlib_hw_if_index, msg.state.index,
+ msg.addr.desc_user_addr,
+ msg.addr.used_user_addr,
+ msg.addr.avail_user_addr,
+ msg.addr.log_guest_addr);
break;
case VHOST_USER_SET_OWNER:
- DBG_SOCK("if %d msg VHOST_USER_SET_OWNER",
- xd->vlib_hw_if_index);
+ DBG_SOCK ("if %d msg VHOST_USER_SET_OWNER", xd->vlib_hw_if_index);
break;
case VHOST_USER_RESET_OWNER:
- DBG_SOCK("if %d msg VHOST_USER_RESET_OWNER",
- xd->vlib_hw_if_index);
+ DBG_SOCK ("if %d msg VHOST_USER_RESET_OWNER", xd->vlib_hw_if_index);
break;
case VHOST_USER_SET_VRING_CALL:
q = (u8) (msg.u64 & 0xFF);
- DBG_SOCK("if %d msg VHOST_USER_SET_VRING_CALL u64 %lx, idx: %d",
- xd->vlib_hw_if_index, msg.u64, q);
+ DBG_SOCK ("if %d msg VHOST_USER_SET_VRING_CALL u64 %lx, idx: %d",
+ xd->vlib_hw_if_index, msg.u64, q);
if (!(msg.u64 & 0x100))
- {
- if (number_of_fds != 1)
- goto close_socket;
- fd = fds[0];
- } else {
- fd = -1;
- }
- dpdk_vhost_user_set_vring_call(xd->vlib_hw_if_index, q, fd);
+ {
+ if (number_of_fds != 1)
+ goto close_socket;
+ fd = fds[0];
+ }
+ else
+ {
+ fd = -1;
+ }
+ dpdk_vhost_user_set_vring_call (xd->vlib_hw_if_index, q, fd);
break;
q = (u8) (msg.u64 & 0xFF);
- DBG_SOCK("if %d msg VHOST_USER_SET_VRING_KICK u64 %lx, idx: %d",
- xd->vlib_hw_if_index, msg.u64, q);
+ DBG_SOCK ("if %d msg VHOST_USER_SET_VRING_KICK u64 %lx, idx: %d",
+ xd->vlib_hw_if_index, msg.u64, q);
if (!(msg.u64 & 0x100))
- {
- if (number_of_fds != 1)
- goto close_socket;
+ {
+ if (number_of_fds != 1)
+ goto close_socket;
- vui->vrings[q].kickfd = fds[0];
- }
+ if (vui->vrings[q].kickfd > -1)
+ close (vui->vrings[q].kickfd);
+
+ vui->vrings[q].kickfd = fds[0];
+ }
else
- vui->vrings[q].kickfd = -1;
+ vui->vrings[q].kickfd = -1;
- dpdk_vhost_user_set_vring_kick(xd->vlib_hw_if_index, q, vui->vrings[q].kickfd);
+ dpdk_vhost_user_set_vring_kick (xd->vlib_hw_if_index, q,
+ vui->vrings[q].kickfd);
break;
case VHOST_USER_SET_VRING_ERR:
q = (u8) (msg.u64 & 0xFF);
- DBG_SOCK("if %d msg VHOST_USER_SET_VRING_ERR u64 %lx, idx: %d",
- xd->vlib_hw_if_index, msg.u64, q);
+ DBG_SOCK ("if %d msg VHOST_USER_SET_VRING_ERR u64 %lx, idx: %d",
+ xd->vlib_hw_if_index, msg.u64, q);
if (!(msg.u64 & 0x100))
- {
- if (number_of_fds != 1)
- goto close_socket;
+ {
+ if (number_of_fds != 1)
+ goto close_socket;
- fd = fds[0];
- }
+ fd = fds[0];
+ }
else
- fd = -1;
+ fd = -1;
vui->vrings[q].errfd = fd;
break;
case VHOST_USER_SET_VRING_BASE:
- DBG_SOCK("if %d msg VHOST_USER_SET_VRING_BASE idx %d num %d",
- xd->vlib_hw_if_index, msg.state.index, msg.state.num);
+ DBG_SOCK ("if %d msg VHOST_USER_SET_VRING_BASE idx %d num %d",
+ xd->vlib_hw_if_index, msg.state.index, msg.state.num);
- dpdk_vhost_user_set_vring_base(xd->vlib_hw_if_index, msg.state.index, msg.state.num);
+ dpdk_vhost_user_set_vring_base (xd->vlib_hw_if_index, msg.state.index,
+ msg.state.num);
break;
case VHOST_USER_GET_VRING_BASE:
- DBG_SOCK("if %d msg VHOST_USER_GET_VRING_BASE idx %d num %d",
- xd->vlib_hw_if_index, msg.state.index, msg.state.num);
+ DBG_SOCK ("if %d msg VHOST_USER_GET_VRING_BASE idx %d num %d",
+ xd->vlib_hw_if_index, msg.state.index, msg.state.num);
msg.flags |= VHOST_USER_REPLY_MASK;
- msg.size = sizeof(msg.state);
+ msg.size = sizeof (msg.state);
- dpdk_vhost_user_get_vring_base(xd->vlib_hw_if_index, msg.state.index, &msg.state.num);
+ dpdk_vhost_user_get_vring_base (xd->vlib_hw_if_index, msg.state.index,
+ &msg.state.num);
break;
case VHOST_USER_NONE:
- DBG_SOCK("if %d msg VHOST_USER_NONE",
- xd->vlib_hw_if_index);
+ DBG_SOCK ("if %d msg VHOST_USER_NONE", xd->vlib_hw_if_index);
break;
case VHOST_USER_SET_LOG_BASE:
#if RTE_VERSION >= RTE_VERSION_NUM(16, 4, 0, 0)
- DBG_SOCK("if %d msg VHOST_USER_SET_LOG_BASE",
- xd->vlib_hw_if_index);
-
- if (msg.size != sizeof(msg.log)) {
- DBG_SOCK("invalid msg size for VHOST_USER_SET_LOG_BASE: %u instead of %lu",
- msg.size, sizeof(msg.log));
- goto close_socket;
- }
-
- if (!(xd->vu_vhost_dev.protocol_features & (1 << VHOST_USER_PROTOCOL_F_LOG_SHMFD))) {
- DBG_SOCK("VHOST_USER_PROTOCOL_F_LOG_SHMFD not set but VHOST_USER_SET_LOG_BASE received");
- goto close_socket;
- }
+ DBG_SOCK ("if %d msg VHOST_USER_SET_LOG_BASE", xd->vlib_hw_if_index);
+
+ if (msg.size != sizeof (msg.log))
+ {
+ DBG_SOCK
+ ("invalid msg size for VHOST_USER_SET_LOG_BASE: %u instead of %lu",
+ msg.size, sizeof (msg.log));
+ goto close_socket;
+ }
+
+ if (!
+ (xd->vu_vhost_dev.protocol_features & (1 <<
+ VHOST_USER_PROTOCOL_F_LOG_SHMFD)))
+ {
+ DBG_SOCK
+ ("VHOST_USER_PROTOCOL_F_LOG_SHMFD not set but VHOST_USER_SET_LOG_BASE received");
+ goto close_socket;
+ }
fd = fds[0];
/* align size to 2M page */
- long page_sz = get_huge_page_size(fd);
- ssize_t map_sz = (msg.log.size + msg.log.offset + page_sz) & ~(page_sz - 1);
+ long page_sz = get_huge_page_size (fd);
+ ssize_t map_sz =
+ RTE_ALIGN_CEIL (msg.log.size + msg.log.offset, page_sz);
- void *addr = mmap(0, map_sz, PROT_READ | PROT_WRITE,
- MAP_SHARED, fd, 0);
+ void *addr = mmap (0, map_sz, PROT_READ | PROT_WRITE,
+ MAP_SHARED, fd, 0);
- DBG_SOCK("map log region addr 0 len 0x%lx off 0x%lx fd %d mapped %p",
- map_sz, msg.log.offset, fd, addr);
+ DBG_SOCK ("map log region addr 0 len 0x%lx off 0x%lx fd %d mapped %p",
+ map_sz, msg.log.offset, fd, addr);
- if (addr == MAP_FAILED) {
- clib_warning("failed to map memory. errno is %d", errno);
- goto close_socket;
- }
+ if (addr == MAP_FAILED)
+ {
+ clib_warning ("failed to map memory. errno is %d", errno);
+ goto close_socket;
+ }
- xd->vu_vhost_dev.log_base += (u64)addr + msg.log.offset;
+ xd->vu_vhost_dev.log_base += pointer_to_uword (addr) + msg.log.offset;
xd->vu_vhost_dev.log_size = msg.log.size;
msg.flags |= VHOST_USER_REPLY_MASK;
- msg.size = sizeof(msg.u64);
+ msg.size = sizeof (msg.u64);
#else
- DBG_SOCK("if %d msg VHOST_USER_SET_LOG_BASE Not-Implemented",
- xd->vlib_hw_if_index);
+ DBG_SOCK ("if %d msg VHOST_USER_SET_LOG_BASE Not-Implemented",
+ xd->vlib_hw_if_index);
#endif
break;
case VHOST_USER_SET_LOG_FD:
- DBG_SOCK("if %d msg VHOST_USER_SET_LOG_FD",
- xd->vlib_hw_if_index);
+ DBG_SOCK ("if %d msg VHOST_USER_SET_LOG_FD", xd->vlib_hw_if_index);
break;
-#if RTE_VERSION >= RTE_VERSION_NUM(2, 2, 0, 0)
case VHOST_USER_GET_PROTOCOL_FEATURES:
- DBG_SOCK("if %d msg VHOST_USER_GET_PROTOCOL_FEATURES",
- xd->vlib_hw_if_index);
+ DBG_SOCK ("if %d msg VHOST_USER_GET_PROTOCOL_FEATURES",
+ xd->vlib_hw_if_index);
msg.flags |= VHOST_USER_REPLY_MASK;
msg.u64 = VHOST_USER_PROTOCOL_FEATURES;
- DBG_SOCK("VHOST_USER_PROTOCOL_FEATURES: %llx", VHOST_USER_PROTOCOL_FEATURES);
- msg.size = sizeof(msg.u64);
+ DBG_SOCK ("VHOST_USER_PROTOCOL_FEATURES: %llx",
+ VHOST_USER_PROTOCOL_FEATURES);
+ msg.size = sizeof (msg.u64);
break;
case VHOST_USER_SET_PROTOCOL_FEATURES:
- DBG_SOCK("if %d msg VHOST_USER_SET_PROTOCOL_FEATURES",
- xd->vlib_hw_if_index);
+ DBG_SOCK ("if %d msg VHOST_USER_SET_PROTOCOL_FEATURES",
+ xd->vlib_hw_if_index);
- DBG_SOCK("VHOST_USER_SET_PROTOCOL_FEATURES: 0x%lx",
- msg.u64);
- dpdk_vhost_user_set_protocol_features(xd->vlib_hw_if_index,
- msg.u64);
+ DBG_SOCK ("VHOST_USER_SET_PROTOCOL_FEATURES: 0x%lx", msg.u64);
+ dpdk_vhost_user_set_protocol_features (xd->vlib_hw_if_index, msg.u64);
break;
case VHOST_USER_SET_VRING_ENABLE:
- DBG_SOCK("%d VPP VHOST_USER_SET_VRING_ENABLE IDX: %d, Enable: %d",
- xd->vlib_hw_if_index, msg.state.index, msg.state.num);
+ DBG_SOCK ("%d VPP VHOST_USER_SET_VRING_ENABLE IDX: %d, Enable: %d",
+ xd->vlib_hw_if_index, msg.state.index, msg.state.num);
dpdk_vhost_user_set_vring_enable
- (xd->vlib_hw_if_index, msg.state.index, msg.state.num);
+ (xd->vlib_hw_if_index, msg.state.index, msg.state.num);
break;
case VHOST_USER_GET_QUEUE_NUM:
- DBG_SOCK("if %d msg VHOST_USER_GET_QUEUE_NUM:",
- xd->vlib_hw_if_index);
+ DBG_SOCK ("if %d msg VHOST_USER_GET_QUEUE_NUM:", xd->vlib_hw_if_index);
msg.flags |= VHOST_USER_REPLY_MASK;
msg.u64 = xd->vu_vhost_dev.virt_qp_nb;
- msg.size = sizeof(msg.u64);
+ msg.size = sizeof (msg.u64);
break;
-#endif
default:
- DBG_SOCK("unknown vhost-user message %d received. closing socket",
- msg.request);
+ DBG_SOCK ("unknown vhost-user message %d received. closing socket",
+ msg.request);
goto close_socket;
- }
+ }
- /* if we have pointers to descriptor table, go up*/
+ /* if we have pointers to descriptor table, go up */
if (!vui->is_up &&
xd->vu_vhost_dev.virtqueue[VHOST_NET_VRING_IDX_TX]->desc &&
- xd->vu_vhost_dev.virtqueue[VHOST_NET_VRING_IDX_RX]->desc) {
+ xd->vu_vhost_dev.virtqueue[VHOST_NET_VRING_IDX_RX]->desc)
+ {
- DBG_SOCK("interface %d connected", xd->vlib_sw_if_index);
+ DBG_SOCK ("interface %d connected", xd->vlib_sw_if_index);
- vnet_hw_interface_set_flags (vnm, xd->vlib_hw_if_index, VNET_HW_INTERFACE_FLAG_LINK_UP);
+ vnet_hw_interface_set_flags (vnm, xd->vlib_hw_if_index,
+ VNET_HW_INTERFACE_FLAG_LINK_UP);
vui->is_up = 1;
xd->admin_up = 1;
- }
+ }
/* if we need to reply */
if (msg.flags & VHOST_USER_REPLY_MASK)
- {
- n = send(uf->file_descriptor, &msg, VHOST_USER_MSG_HDR_SZ + msg.size, 0);
+ {
+ n =
+ send (uf->file_descriptor, &msg, VHOST_USER_MSG_HDR_SZ + msg.size, 0);
if (n != (msg.size + VHOST_USER_MSG_HDR_SZ))
- goto close_socket;
- }
+ goto close_socket;
+ }
return 0;
close_socket:
- DBG_SOCK("error: close_socket");
- dpdk_vhost_user_if_disconnect(xd);
+ DBG_SOCK ("error: close_socket");
+ dpdk_vhost_user_if_disconnect (xd);
return 0;
}
-static clib_error_t * dpdk_vhost_user_socket_error (unix_file_t * uf)
+static clib_error_t *
+dpdk_vhost_user_socket_error (unix_file_t * uf)
{
- dpdk_main_t * dm = &dpdk_main;
+ dpdk_main_t *dm = &dpdk_main;
dpdk_device_t *xd;
- uword * p;
+ uword *p;
p = hash_get (dm->vu_sw_if_index_by_sock_fd, uf->file_descriptor);
- if (p == 0) {
- DBG_SOCK ("FD %d doesn't belong to any interface",
- uf->file_descriptor);
+ if (p == 0)
+ {
+ DBG_SOCK ("FD %d doesn't belong to any interface", uf->file_descriptor);
return 0;
}
else
- xd = dpdk_vhost_user_device_from_sw_if_index(p[0]);
+ xd = dpdk_vhost_user_device_from_sw_if_index (p[0]);
- dpdk_vhost_user_if_disconnect(xd);
+ dpdk_vhost_user_if_disconnect (xd);
return 0;
}
-static clib_error_t * dpdk_vhost_user_socksvr_accept_ready (unix_file_t * uf)
+static clib_error_t *
+dpdk_vhost_user_socksvr_accept_ready (unix_file_t * uf)
{
int client_fd, client_len;
struct sockaddr_un client;
- unix_file_t template = {0};
- dpdk_main_t * dm = &dpdk_main;
- dpdk_device_t * xd = NULL;
- dpdk_vu_intf_t * vui;
- uword * p;
-
- p = hash_get (dm->vu_sw_if_index_by_listener_fd,
- uf->file_descriptor);
- if (p == 0) {
- DBG_SOCK ("fd %d doesn't belong to any interface",
- uf->file_descriptor);
+ unix_file_t template = { 0 };
+ dpdk_main_t *dm = &dpdk_main;
+ dpdk_device_t *xd = NULL;
+ dpdk_vu_intf_t *vui;
+ uword *p;
+
+ p = hash_get (dm->vu_sw_if_index_by_listener_fd, uf->file_descriptor);
+ if (p == 0)
+ {
+ DBG_SOCK ("fd %d doesn't belong to any interface", uf->file_descriptor);
return 0;
}
- xd = dpdk_vhost_user_device_from_sw_if_index(p[0]);
- ASSERT(xd != NULL);
+ xd = dpdk_vhost_user_device_from_sw_if_index (p[0]);
+ ASSERT (xd != NULL);
vui = xd->vu_intf;
- client_len = sizeof(client);
+ client_len = sizeof (client);
client_fd = accept (uf->file_descriptor,
- (struct sockaddr *)&client,
- (socklen_t *)&client_len);
+ (struct sockaddr *) &client,
+ (socklen_t *) & client_len);
if (client_fd < 0)
- return clib_error_return_unix (0, "accept");
+ return clib_error_return_unix (0, "accept");
template.read_function = dpdk_vhost_user_socket_read;
template.error_function = dpdk_vhost_user_socket_error;
vui->client_fd = client_fd;
hash_set (dm->vu_sw_if_index_by_sock_fd, vui->client_fd,
- xd->vlib_sw_if_index);
+ xd->vlib_sw_if_index);
return 0;
}
// init server socket on specified sock_filename
-static int dpdk_vhost_user_init_server_sock(const char * sock_filename, int *sockfd)
+static int
+dpdk_vhost_user_init_server_sock (const char *sock_filename, int *sockfd)
{
- int rv = 0, len;
- struct sockaddr_un un;
+ int rv = 0;
+ struct sockaddr_un un = { };
int fd;
/* create listening socket */
- fd = socket(AF_UNIX, SOCK_STREAM, 0);
+ fd = socket (AF_UNIX, SOCK_STREAM, 0);
- if (fd < 0) {
- return VNET_API_ERROR_SYSCALL_ERROR_1;
- }
+ if (fd < 0)
+ {
+ return VNET_API_ERROR_SYSCALL_ERROR_1;
+ }
un.sun_family = AF_UNIX;
- strcpy((char *) un.sun_path, (char *) sock_filename);
+ strcpy ((char *) un.sun_path, (char *) sock_filename);
/* remove if exists */
- unlink( (char *) sock_filename);
+ unlink ((char *) sock_filename);
- len = strlen((char *) un.sun_path) + strlen((char *) sock_filename);
-
- if (bind(fd, (struct sockaddr *) &un, len) == -1) {
- rv = VNET_API_ERROR_SYSCALL_ERROR_2;
- goto error;
- }
+ if (bind (fd, (struct sockaddr *) &un, sizeof (un)) == -1)
+ {
+ rv = VNET_API_ERROR_SYSCALL_ERROR_2;
+ goto error;
+ }
- if (listen(fd, 1) == -1) {
- rv = VNET_API_ERROR_SYSCALL_ERROR_3;
- goto error;
- }
+ if (listen (fd, 1) == -1)
+ {
+ rv = VNET_API_ERROR_SYSCALL_ERROR_3;
+ goto error;
+ }
- unix_file_t template = {0};
+ unix_file_t template = { 0 };
template.read_function = dpdk_vhost_user_socksvr_accept_ready;
template.file_descriptor = fd;
unix_file_add (&unix_main, &template);
return rv;
error:
- close(fd);
+ close (fd);
return rv;
}
* vhost-user interface control functions used from vpe api
*/
-int dpdk_vhost_user_create_if(vnet_main_t * vnm, vlib_main_t * vm,
- const char * sock_filename,
- u8 is_server,
- u32 * sw_if_index,
- u64 feature_mask,
- u8 renumber, u32 custom_dev_instance,
- u8 *hwaddr)
+int
+dpdk_vhost_user_create_if (vnet_main_t * vnm, vlib_main_t * vm,
+ const char *sock_filename,
+ u8 is_server,
+ u32 * sw_if_index,
+ u64 feature_mask,
+ u8 renumber, u32 custom_dev_instance, u8 * hwaddr)
{
- dpdk_main_t * dm = &dpdk_main;
+ dpdk_main_t *dm = &dpdk_main;
dpdk_device_t *xd;
u32 hw_if_idx = ~0;
int sockfd = -1;
int rv = 0;
// using virtio vhost user?
- if (dm->use_virtio_vhost) {
- return vhost_user_create_if(vnm, vm, sock_filename, is_server,
- sw_if_index, feature_mask, renumber, custom_dev_instance, hwaddr);
- }
+ if (dm->conf->use_virtio_vhost)
+ {
+ return vhost_user_create_if (vnm, vm, sock_filename, is_server,
+ sw_if_index, feature_mask, renumber,
+ custom_dev_instance, hwaddr);
+ }
- if (is_server) {
- if ((rv = dpdk_vhost_user_init_server_sock (sock_filename, &sockfd)) != 0) {
- return rv;
+ if (is_server)
+ {
+ if ((rv =
+ dpdk_vhost_user_init_server_sock (sock_filename, &sockfd)) != 0)
+ {
+ return rv;
+ }
}
- }
- if (renumber) {
+ if (renumber)
+ {
// set next vhost-user if id if custom one is higher or equal
if (custom_dev_instance >= dm->next_vu_if_id)
- dm->next_vu_if_id = custom_dev_instance + 1;
+ dm->next_vu_if_id = custom_dev_instance + 1;
- dpdk_create_vhost_user_if_internal(&hw_if_idx, custom_dev_instance, hwaddr);
- } else
- dpdk_create_vhost_user_if_internal(&hw_if_idx, (u32)~0, hwaddr);
- DBG_SOCK("dpdk vhost-user interface created hw_if_index %d", hw_if_idx);
+ dpdk_create_vhost_user_if_internal (&hw_if_idx, custom_dev_instance,
+ hwaddr);
+ }
+ else
+ dpdk_create_vhost_user_if_internal (&hw_if_idx, (u32) ~ 0, hwaddr);
+ DBG_SOCK ("dpdk vhost-user interface created hw_if_index %d", hw_if_idx);
- xd = dpdk_vhost_user_device_from_hw_if_index(hw_if_idx);
- ASSERT(xd != NULL);
+ xd = dpdk_vhost_user_device_from_hw_if_index (hw_if_idx);
+ ASSERT (xd != NULL);
dpdk_vhost_user_vui_init (vnm, xd, sockfd, sock_filename, is_server,
- feature_mask, sw_if_index);
+ feature_mask, sw_if_index);
dpdk_vhost_user_vui_register (vm, xd);
return rv;
}
-int dpdk_vhost_user_modify_if(vnet_main_t * vnm, vlib_main_t * vm,
- const char * sock_filename,
- u8 is_server,
- u32 sw_if_index,
- u64 feature_mask,
- u8 renumber, u32 custom_dev_instance)
+int
+dpdk_vhost_user_modify_if (vnet_main_t * vnm, vlib_main_t * vm,
+ const char *sock_filename,
+ u8 is_server,
+ u32 sw_if_index,
+ u64 feature_mask,
+ u8 renumber, u32 custom_dev_instance)
{
- dpdk_main_t * dm = &dpdk_main;
- dpdk_device_t * xd;
- dpdk_vu_intf_t * vui = NULL;
+ dpdk_main_t *dm = &dpdk_main;
+ dpdk_device_t *xd;
+ dpdk_vu_intf_t *vui = NULL;
u32 sw_if_idx = ~0;
int sockfd = -1;
int rv = 0;
// using virtio vhost user?
- if (dm->use_virtio_vhost) {
- return vhost_user_modify_if(vnm, vm, sock_filename, is_server,
- sw_if_index, feature_mask, renumber, custom_dev_instance);
- }
+ if (dm->conf->use_virtio_vhost)
+ {
+ return vhost_user_modify_if (vnm, vm, sock_filename, is_server,
+ sw_if_index, feature_mask, renumber,
+ custom_dev_instance);
+ }
- xd = dpdk_vhost_user_device_from_sw_if_index(sw_if_index);
+ xd = dpdk_vhost_user_device_from_sw_if_index (sw_if_index);
if (xd == NULL)
return VNET_API_ERROR_INVALID_SW_IF_INDEX;
// interface is inactive
vui->active = 0;
// disconnect interface sockets
- dpdk_vhost_user_if_disconnect(xd);
+ dpdk_vhost_user_if_disconnect (xd);
- if (is_server) {
- if ((rv = dpdk_vhost_user_init_server_sock (sock_filename, &sockfd)) != 0) {
- return rv;
- }
- }
+ if (is_server)
+ {
+ if ((rv =
+ dpdk_vhost_user_init_server_sock (sock_filename, &sockfd)) != 0)
+ {
+ return rv;
+ }
+ }
dpdk_vhost_user_vui_init (vnm, xd, sockfd, sock_filename, is_server,
- feature_mask, &sw_if_idx);
+ feature_mask, &sw_if_idx);
- if (renumber) {
- vnet_interface_name_renumber (sw_if_idx, custom_dev_instance);
- }
+ if (renumber)
+ {
+ vnet_interface_name_renumber (sw_if_idx, custom_dev_instance);
+ }
dpdk_vhost_user_vui_register (vm, xd);
return rv;
}
-int dpdk_vhost_user_delete_if(vnet_main_t * vnm, vlib_main_t * vm,
- u32 sw_if_index)
+int
+dpdk_vhost_user_delete_if (vnet_main_t * vnm, vlib_main_t * vm,
+ u32 sw_if_index)
{
- dpdk_main_t * dm = &dpdk_main;
- dpdk_device_t * xd = NULL;
- dpdk_vu_intf_t * vui;
+ dpdk_main_t *dm = &dpdk_main;
+ dpdk_device_t *xd = NULL;
+ dpdk_vu_intf_t *vui;
int rv = 0;
// using virtio vhost user?
- if (dm->use_virtio_vhost) {
- return vhost_user_delete_if(vnm, vm, sw_if_index);
- }
+ if (dm->conf->use_virtio_vhost)
+ {
+ return vhost_user_delete_if (vnm, vm, sw_if_index);
+ }
- xd = dpdk_vhost_user_device_from_sw_if_index(sw_if_index);
+ xd = dpdk_vhost_user_device_from_sw_if_index (sw_if_index);
if (xd == NULL)
return VNET_API_ERROR_INVALID_SW_IF_INDEX;
// interface is inactive
vui->active = 0;
// disconnect interface sockets
- dpdk_vhost_user_if_disconnect(xd);
+ dpdk_vhost_user_if_disconnect (xd);
// add to inactive interface list
vec_add1 (dm->vu_inactive_interfaces_device_index, xd->device_index);
ethernet_delete_interface (vnm, xd->vlib_hw_if_index);
- DBG_SOCK ("deleted (deactivated) vhost-user interface sw_if_index %d", sw_if_index);
+ DBG_SOCK ("deleted (deactivated) vhost-user interface sw_if_index %d",
+ sw_if_index);
return rv;
}
-int dpdk_vhost_user_dump_ifs(vnet_main_t * vnm, vlib_main_t * vm, vhost_user_intf_details_t **out_vuids)
+int
+dpdk_vhost_user_dump_ifs (vnet_main_t * vnm, vlib_main_t * vm,
+ vhost_user_intf_details_t ** out_vuids)
{
- int rv = 0;
- dpdk_main_t * dm = &dpdk_main;
- dpdk_device_t * xd;
- dpdk_vu_intf_t * vui;
- struct virtio_net * vhost_dev;
- vhost_user_intf_details_t * r_vuids = NULL;
- vhost_user_intf_details_t * vuid = NULL;
- u32 * hw_if_indices = 0;
- vnet_hw_interface_t * hi;
- u8 *s = NULL;
- int i;
+ int rv = 0;
+ dpdk_main_t *dm = &dpdk_main;
+ dpdk_device_t *xd;
+ dpdk_vu_intf_t *vui;
+ struct virtio_net *vhost_dev;
+ vhost_user_intf_details_t *r_vuids = NULL;
+ vhost_user_intf_details_t *vuid = NULL;
+ u32 *hw_if_indices = 0;
+ vnet_hw_interface_t *hi;
+ u8 *s = NULL;
+ int i;
- if (!out_vuids)
- return -1;
+ if (!out_vuids)
+ return -1;
- // using virtio vhost user?
- if (dm->use_virtio_vhost) {
- return vhost_user_dump_ifs(vnm, vm, out_vuids);
+ // using virtio vhost user?
+ if (dm->conf->use_virtio_vhost)
+ {
+ return vhost_user_dump_ifs (vnm, vm, out_vuids);
}
- vec_foreach (xd, dm->devices) {
- if (xd->dev_type == VNET_DPDK_DEV_VHOST_USER &&
- xd->vu_intf->active)
- vec_add1(hw_if_indices, xd->vlib_hw_if_index);
- }
+ vec_foreach (xd, dm->devices)
+ {
+ if ((xd->flags & DPDK_DEVICE_FLAG_VHOST_USER) && xd->vu_intf->active)
+ vec_add1 (hw_if_indices, xd->vlib_hw_if_index);
+ }
- for (i = 0; i < vec_len (hw_if_indices); i++) {
+ for (i = 0; i < vec_len (hw_if_indices); i++)
+ {
hi = vnet_get_hw_interface (vnm, hw_if_indices[i]);
- xd = dpdk_vhost_user_device_from_hw_if_index(hw_if_indices[i]);
- if (!xd) {
- clib_warning("invalid vhost-user interface hw_if_index %d", hw_if_indices[i]);
- continue;
- }
+ xd = dpdk_vhost_user_device_from_hw_if_index (hw_if_indices[i]);
+ if (!xd)
+ {
+ clib_warning ("invalid vhost-user interface hw_if_index %d",
+ hw_if_indices[i]);
+ continue;
+ }
vui = xd->vu_intf;
- ASSERT(vui != NULL);
+ ASSERT (vui != NULL);
vhost_dev = &xd->vu_vhost_dev;
u32 virtio_net_hdr_sz = (vui->num_vrings > 0 ?
- vhost_dev->virtqueue[0]->vhost_hlen : 0);
+ vhost_dev->virtqueue[0]->vhost_hlen : 0);
- vec_add2(r_vuids, vuid, 1);
+ vec_add2 (r_vuids, vuid, 1);
vuid->sw_if_index = xd->vlib_sw_if_index;
vuid->virtio_net_hdr_sz = virtio_net_hdr_sz;
vuid->features = vhost_dev->features;
vuid->is_server = vui->sock_is_server;
- vuid->num_regions = (vhost_dev->mem != NULL ? vhost_dev->mem->nregions : 0);
+ vuid->num_regions =
+ (vhost_dev->mem != NULL ? vhost_dev->mem->nregions : 0);
vuid->sock_errno = vui->sock_errno;
- strncpy((char *)vuid->sock_filename, (char *)vui->sock_filename,
- ARRAY_LEN(vuid->sock_filename)-1);
+ strncpy ((char *) vuid->sock_filename, (char *) vui->sock_filename,
+ ARRAY_LEN (vuid->sock_filename) - 1);
s = format (s, "%v%c", hi->name, 0);
- strncpy((char *)vuid->if_name, (char *)s,
- ARRAY_LEN(vuid->if_name)-1);
- _vec_len(s) = 0;
+ strncpy ((char *) vuid->if_name, (char *) s,
+ ARRAY_LEN (vuid->if_name) - 1);
+ _vec_len (s) = 0;
}
- vec_free (s);
- vec_free (hw_if_indices);
+ vec_free (s);
+ vec_free (hw_if_indices);
- *out_vuids = r_vuids;
+ *out_vuids = r_vuids;
- return rv;
+ return rv;
}
/*
* Processing functions called from dpdk process fn
*/
-typedef struct {
- struct sockaddr_un sun;
- int sockfd;
- unix_file_t template;
- uword *event_data;
+typedef struct
+{
+ struct sockaddr_un sun;
+ int sockfd;
+ unix_file_t template;
+ uword *event_data;
} dpdk_vu_process_state;
-void dpdk_vhost_user_process_init (void **ctx)
+void
+dpdk_vhost_user_process_init (void **ctx)
{
- dpdk_vu_process_state *state = clib_mem_alloc (sizeof(dpdk_vu_process_state));
- memset(state, 0, sizeof(*state));
- state->sockfd = socket(AF_UNIX, SOCK_STREAM, 0);
- state->sun.sun_family = AF_UNIX;
- state->template.read_function = dpdk_vhost_user_socket_read;
- state->template.error_function = dpdk_vhost_user_socket_error;
- state->event_data = 0;
- *ctx = state;
+ dpdk_vu_process_state *state =
+ clib_mem_alloc (sizeof (dpdk_vu_process_state));
+ memset (state, 0, sizeof (*state));
+ state->sockfd = socket (AF_UNIX, SOCK_STREAM, 0);
+ state->sun.sun_family = AF_UNIX;
+ state->template.read_function = dpdk_vhost_user_socket_read;
+ state->template.error_function = dpdk_vhost_user_socket_error;
+ state->event_data = 0;
+ *ctx = state;
}
-void dpdk_vhost_user_process_cleanup (void *ctx)
+void
+dpdk_vhost_user_process_cleanup (void *ctx)
{
- clib_mem_free(ctx);
+ clib_mem_free (ctx);
}
-uword dpdk_vhost_user_process_if (vlib_main_t *vm, dpdk_device_t *xd, void *ctx)
+uword
+dpdk_vhost_user_process_if (vlib_main_t * vm, dpdk_device_t * xd, void *ctx)
{
- dpdk_main_t * dm = &dpdk_main;
- dpdk_vu_process_state *state = (dpdk_vu_process_state *)ctx;
- dpdk_vu_intf_t *vui = xd->vu_intf;
-
- if (vui->sock_is_server || !vui->active)
- return 0;
-
- if (vui->unix_fd == -1) {
- /* try to connect */
- strncpy(state->sun.sun_path, (char *) vui->sock_filename, sizeof(state->sun.sun_path) - 1);
-
- if (connect(state->sockfd, (struct sockaddr *) &(state->sun), sizeof(struct sockaddr_un)) == 0) {
- vui->sock_errno = 0;
- vui->unix_fd = state->sockfd;
- state->template.file_descriptor = state->sockfd;
- vui->unix_file_index = unix_file_add (&unix_main, &(state->template));
- hash_set (dm->vu_sw_if_index_by_sock_fd, state->sockfd, xd->vlib_sw_if_index);
-
- state->sockfd = socket(AF_UNIX, SOCK_STREAM, 0);
- if (state->sockfd < 0)
- return -1;
- } else {
- vui->sock_errno = errno;
- }
- } else {
- /* check if socket is alive */
- int error = 0;
- socklen_t len = sizeof (error);
- int retval = getsockopt(vui->unix_fd, SOL_SOCKET, SO_ERROR, &error, &len);
-
- if (retval)
- dpdk_vhost_user_if_disconnect(xd);
- }
+ dpdk_main_t *dm = &dpdk_main;
+ dpdk_vu_process_state *state = (dpdk_vu_process_state *) ctx;
+ dpdk_vu_intf_t *vui = xd->vu_intf;
+
+ if (vui->sock_is_server || !vui->active)
return 0;
+
+ if (vui->unix_fd == -1)
+ {
+ /* try to connect */
+ strncpy (state->sun.sun_path, (char *) vui->sock_filename,
+ sizeof (state->sun.sun_path) - 1);
+
+ if (connect
+ (state->sockfd, (struct sockaddr *) &(state->sun),
+ sizeof (struct sockaddr_un)) == 0)
+ {
+ vui->sock_errno = 0;
+ vui->unix_fd = state->sockfd;
+ state->template.file_descriptor = state->sockfd;
+ vui->unix_file_index =
+ unix_file_add (&unix_main, &(state->template));
+ hash_set (dm->vu_sw_if_index_by_sock_fd, state->sockfd,
+ xd->vlib_sw_if_index);
+
+ state->sockfd = socket (AF_UNIX, SOCK_STREAM, 0);
+ if (state->sockfd < 0)
+ return -1;
+ }
+ else
+ {
+ vui->sock_errno = errno;
+ }
+ }
+ else
+ {
+ /* check if socket is alive */
+ int error = 0;
+ socklen_t len = sizeof (error);
+ int retval =
+ getsockopt (vui->unix_fd, SOL_SOCKET, SO_ERROR, &error, &len);
+
+ if (retval)
+ dpdk_vhost_user_if_disconnect (xd);
+ }
+ return 0;
}
+#endif
/*
* CLI functions
static clib_error_t *
dpdk_vhost_user_connect_command_fn (vlib_main_t * vm,
- unformat_input_t * input,
- vlib_cli_command_t * cmd)
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
{
- dpdk_main_t * dm = &dpdk_main;
- unformat_input_t _line_input, * line_input = &_line_input;
- u8 * sock_filename = NULL;
+#if DPDK_VHOST_USER
+ dpdk_main_t *dm = &dpdk_main;
+ unformat_input_t _line_input, *line_input = &_line_input;
+ u8 *sock_filename = NULL;
u32 sw_if_index;
u8 is_server = 0;
- u64 feature_mask = (u64)~0;
+ u64 feature_mask = (u64) ~ 0;
u8 renumber = 0;
u32 custom_dev_instance = ~0;
u8 hwaddr[6];
u8 *hw = NULL;
- if (dm->use_virtio_vhost) {
- return vhost_user_connect_command_fn(vm, input, cmd);
- }
+ if (dm->conf->use_virtio_vhost)
+ {
+#endif
+ return vhost_user_connect_command_fn (vm, input, cmd);
+#if DPDK_VHOST_USER
+ }
/* Get a line of input. */
- if (! unformat_user (input, unformat_line_input, line_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, "socket %s", &sock_filename))
- ;
- else if (unformat (line_input, "server"))
- is_server = 1;
- else if (unformat (line_input, "feature-mask 0x%llx", &feature_mask))
- ;
- else if (unformat (line_input, "hwaddr %U", unformat_ethernet_address, hwaddr))
- hw = hwaddr;
- else if (unformat (line_input, "renumber %d", &custom_dev_instance)) {
- renumber = 1;
- }
- else
- return clib_error_return (0, "unknown input `%U'",
- format_unformat_error, input);
- }
+ while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (line_input, "socket %s", &sock_filename))
+ ;
+ else if (unformat (line_input, "server"))
+ is_server = 1;
+ else if (unformat (line_input, "feature-mask 0x%llx", &feature_mask))
+ ;
+ else
+ if (unformat
+ (line_input, "hwaddr %U", unformat_ethernet_address, hwaddr))
+ hw = hwaddr;
+ else if (unformat (line_input, "renumber %d", &custom_dev_instance))
+ {
+ renumber = 1;
+ }
+ else
+ return clib_error_return (0, "unknown input `%U'",
+ format_unformat_error, input);
+ }
unformat_free (line_input);
- vnet_main_t *vnm = vnet_get_main();
+ vnet_main_t *vnm = vnet_get_main ();
if (sock_filename == NULL)
- return clib_error_return (0, "missing socket file");
+ return clib_error_return (0, "missing socket file");
- dpdk_vhost_user_create_if(vnm, vm, (char *)sock_filename,
- is_server, &sw_if_index, feature_mask,
- renumber, custom_dev_instance, hw);
+ dpdk_vhost_user_create_if (vnm, vm, (char *) sock_filename,
+ is_server, &sw_if_index, feature_mask,
+ renumber, custom_dev_instance, hw);
- vec_free(sock_filename);
+ vec_free (sock_filename);
+ vlib_cli_output (vm, "%U\n", format_vnet_sw_if_index_name, vnet_get_main (),
+ sw_if_index);
return 0;
+#endif
}
+/* *INDENT-OFF* */
VLIB_CLI_COMMAND (dpdk_vhost_user_connect_command, static) = {
.path = "create vhost-user",
.short_help = "create vhost-user socket <socket-filename> [server] [feature-mask <hex>] [renumber <dev_instance>]",
.function = dpdk_vhost_user_connect_command_fn,
};
+/* *INDENT-ON* */
static clib_error_t *
dpdk_vhost_user_delete_command_fn (vlib_main_t * vm,
- unformat_input_t * input,
- vlib_cli_command_t * cmd)
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
{
- dpdk_main_t * dm = &dpdk_main;
- clib_error_t * error = 0;
- unformat_input_t _line_input, * line_input = &_line_input;
+ dpdk_main_t *dm = &dpdk_main;
+ clib_error_t *error = 0;
+ unformat_input_t _line_input, *line_input = &_line_input;
u32 sw_if_index = ~0;
- if (dm->use_virtio_vhost) {
- return vhost_user_delete_command_fn(vm, input, cmd);
- }
+ if (dm->conf->use_virtio_vhost)
+ {
+ return vhost_user_delete_command_fn (vm, input, cmd);
+ }
/* Get a line of input. */
- if (! unformat_user (input, unformat_line_input, line_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, "sw_if_index %d", &sw_if_index))
- ;
- else
- return clib_error_return (0, "unknown input `%U'",
- format_unformat_error, input);
- }
+ while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (line_input, "sw_if_index %d", &sw_if_index))
+ ;
+ else
+ return clib_error_return (0, "unknown input `%U'",
+ format_unformat_error, input);
+ }
unformat_free (line_input);
- if (sw_if_index == ~0) {
+ if (sw_if_index == ~0)
+ {
error = clib_error_return (0, "invalid sw_if_index",
- format_unformat_error, input);
+ format_unformat_error, input);
return error;
- }
+ }
- vnet_main_t *vnm = vnet_get_main();
+ vnet_main_t *vnm = vnet_get_main ();
- dpdk_vhost_user_delete_if(vnm, vm, sw_if_index);
+#if DPDK_VHOST_USER
+ dpdk_vhost_user_delete_if (vnm, vm, sw_if_index);
+#else
+ vhost_user_delete_if (vnm, vm, sw_if_index);
+#endif
return 0;
}
+/* *INDENT-OFF* */
VLIB_CLI_COMMAND (dpdk_vhost_user_delete_command, static) = {
.path = "delete vhost-user",
.short_help = "delete vhost-user sw_if_index <nn>",
.function = dpdk_vhost_user_delete_command_fn,
};
+/* *INDENT-ON* */
#define foreach_dpdk_vhost_feature \
_ (VIRTIO_NET_F_MRG_RXBUF) \
static clib_error_t *
show_dpdk_vhost_user_command_fn (vlib_main_t * vm,
- unformat_input_t * input,
- vlib_cli_command_t * cmd)
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
{
- clib_error_t * error = 0;
- dpdk_main_t * dm = &dpdk_main;
- vnet_main_t * vnm = vnet_get_main();
- dpdk_device_t * xd;
- dpdk_vu_intf_t * vui;
- struct virtio_net * vhost_dev;
- u32 hw_if_index, * hw_if_indices = 0;
- vnet_hw_interface_t * hi;
+#if DPDK_VHOST_USER
+ clib_error_t *error = 0;
+ dpdk_main_t *dm = &dpdk_main;
+ vnet_main_t *vnm = vnet_get_main ();
+ dpdk_device_t *xd;
+ dpdk_vu_intf_t *vui;
+ struct virtio_net *vhost_dev;
+ u32 hw_if_index, *hw_if_indices = 0;
+ vnet_hw_interface_t *hi;
int i, j, q;
int show_descr = 0;
- struct virtio_memory * mem;
- struct feat_struct { u8 bit; char *str;};
+ struct virtio_memory *mem;
+ struct feat_struct
+ {
+ u8 bit;
+ char *str;
+ };
struct feat_struct *feat_entry;
static struct feat_struct feat_array[] = {
#define _(f) { .str = #f, .bit = f, },
- foreach_dpdk_vhost_feature
+ foreach_dpdk_vhost_feature
#undef _
- { .str = NULL }
+ {.str = NULL}
};
- if (dm->use_virtio_vhost) {
- return show_vhost_user_command_fn(vm, input, cmd);
- }
-
- while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT) {
- if (unformat (input, "%U", unformat_vnet_hw_interface, vnm, &hw_if_index)) {
- vec_add1 (hw_if_indices, hw_if_index);
- vlib_cli_output(vm, "add %d", hw_if_index);
+ if (dm->conf->use_virtio_vhost)
+ {
+#endif
+ return show_vhost_user_command_fn (vm, input, cmd);
+#if DPDK_VHOST_USER
}
- else if (unformat (input, "descriptors") || unformat (input, "desc") )
- show_descr = 1;
- else {
- error = clib_error_return (0, "unknown input `%U'",
- format_unformat_error, input);
- goto done;
+
+ while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat
+ (input, "%U", unformat_vnet_hw_interface, vnm, &hw_if_index))
+ {
+ vec_add1 (hw_if_indices, hw_if_index);
+ vlib_cli_output (vm, "add %d", hw_if_index);
+ }
+ else if (unformat (input, "descriptors") || unformat (input, "desc"))
+ show_descr = 1;
+ else
+ {
+ error = clib_error_return (0, "unknown input `%U'",
+ format_unformat_error, input);
+ goto done;
+ }
}
- }
- if (vec_len (hw_if_indices) == 0) {
- vec_foreach (xd, dm->devices) {
- if (xd->dev_type == VNET_DPDK_DEV_VHOST_USER && xd->vu_intf->active)
- vec_add1(hw_if_indices, xd->vlib_hw_if_index);
+ if (vec_len (hw_if_indices) == 0)
+ {
+ vec_foreach (xd, dm->devices)
+ {
+ if ((xd->flags DPDK_DEVICE_FLAG_VHOST_USER) && xd->vu_intf->active)
+ vec_add1 (hw_if_indices, xd->vlib_hw_if_index);
+ }
}
- }
vlib_cli_output (vm, "DPDK vhost-user interfaces");
vlib_cli_output (vm, "Global:\n coalesce frames %d time %e\n\n",
- dm->vhost_coalesce_frames, dm->vhost_coalesce_time);
-
- for (i = 0; i < vec_len (hw_if_indices); i++) {
- hi = vnet_get_hw_interface (vnm, hw_if_indices[i]);
-
- if (!(xd = dpdk_vhost_user_device_from_hw_if_index(hw_if_indices[i]))) {
- error = clib_error_return (0, "not dpdk vhost-user interface: '%s'",
- hi->name);
- goto done;
- }
- vui = xd->vu_intf;
- vhost_dev = &xd->vu_vhost_dev;
- mem = vhost_dev->mem;
- u32 virtio_net_hdr_sz = (vui->num_vrings > 0 ?
- vhost_dev->virtqueue[0]->vhost_hlen : 0);
-
- vlib_cli_output (vm, "Interface: %v (ifindex %d)",
- hi->name, hw_if_indices[i]);
-
- vlib_cli_output (vm, "virtio_net_hdr_sz %d\n features (0x%llx): \n",
- virtio_net_hdr_sz, xd->vu_vhost_dev.features);
-
- feat_entry = (struct feat_struct *) &feat_array;
- while(feat_entry->str) {
- if (xd->vu_vhost_dev.features & (1 << feat_entry->bit))
- vlib_cli_output (vm, " %s (%d)", feat_entry->str, feat_entry->bit);
- feat_entry++;
- }
-
- vlib_cli_output (vm, "\n");
-
- vlib_cli_output (vm, " socket filename %s type %s errno \"%s\"\n\n",
- vui->sock_filename, vui->sock_is_server ? "server" : "client",
- strerror(vui->sock_errno));
+ dm->conf->vhost_coalesce_frames,
+ dm->conf->vhost_coalesce_time);
- vlib_cli_output (vm, " Memory regions (total %d)\n", mem->nregions);
-
- if (mem->nregions){
- vlib_cli_output(vm, " region fd guest_phys_addr memory_size userspace_addr mmap_offset mmap_addr\n");
- vlib_cli_output(vm, " ====== ===== ================== ================== ================== ================== ==================\n");
- }
- for (j = 0; j < mem->nregions; j++) {
- vlib_cli_output(vm, " %d %-5d 0x%016lx 0x%016lx 0x%016lx 0x%016lx 0x%016lx\n", j,
- vui->region_fd[j],
- mem->regions[j].guest_phys_address,
- mem->regions[j].memory_size,
- mem->regions[j].userspace_address,
- mem->regions[j].address_offset,
- vui->region_addr[j]);
- }
- for (q = 0; q < vui->num_vrings; q++) {
- struct vhost_virtqueue *vq = vhost_dev->virtqueue[q];
- const char *qtype = (q & 1) ? "TX" : "RX";
-
- vlib_cli_output(vm, "\n Virtqueue %d (%s)\n", q/2, qtype);
-
- vlib_cli_output(vm, " qsz %d last_used_idx %d last_used_idx_res %d\n",
- vq->size, vq->last_used_idx, vq->last_used_idx_res);
-
- if (vq->avail && vq->used)
- vlib_cli_output(vm, " avail.flags %x avail.idx %d used.flags %x used.idx %d\n",
- vq->avail->flags, vq->avail->idx, vq->used->flags, vq->used->idx);
-
-#if RTE_VERSION >= RTE_VERSION_NUM(2, 2, 0, 0)
- vlib_cli_output(vm, " kickfd %d callfd %d errfd %d enabled %d\n",
- vq->kickfd, vq->callfd, vui->vrings[q].errfd, vq->enabled);
-
- if (show_descr && vq->enabled) {
-#else
- vlib_cli_output(vm, " kickfd %d callfd %d errfd\n",
- vq->kickfd, vq->callfd, vui->vrings[q].errfd);
+ for (i = 0; i < vec_len (hw_if_indices); i++)
+ {
+ hi = vnet_get_hw_interface (vnm, hw_if_indices[i]);
- if (show_descr) {
-#endif
- vlib_cli_output(vm, "\n descriptor table:\n");
- vlib_cli_output(vm, " id addr len flags next user_addr\n");
- vlib_cli_output(vm, " ===== ================== ===== ====== ===== ==================\n");
- for(j = 0; j < vq->size; j++) {
- vlib_cli_output(vm, " %-5d 0x%016lx %-5d 0x%04x %-5d 0x%016lx\n",
- j,
- vq->desc[j].addr,
- vq->desc[j].len,
- vq->desc[j].flags,
- vq->desc[j].next,
- (u64) map_guest_mem(xd, vq->desc[j].addr));}
- }
+ if (!(xd = dpdk_vhost_user_device_from_hw_if_index (hw_if_indices[i])))
+ {
+ error = clib_error_return (0, "not dpdk vhost-user interface: '%s'",
+ hi->name);
+ goto done;
+ }
+ vui = xd->vu_intf;
+ vhost_dev = &xd->vu_vhost_dev;
+ mem = vhost_dev->mem;
+ u32 virtio_net_hdr_sz = (vui->num_vrings > 0 ?
+ vhost_dev->virtqueue[0]->vhost_hlen : 0);
+
+ vlib_cli_output (vm, "Interface: %v (ifindex %d)",
+ hi->name, hw_if_indices[i]);
+
+ vlib_cli_output (vm, "virtio_net_hdr_sz %d\n features (0x%llx): \n",
+ virtio_net_hdr_sz, xd->vu_vhost_dev.features);
+
+ feat_entry = (struct feat_struct *) &feat_array;
+ while (feat_entry->str)
+ {
+ if (xd->vu_vhost_dev.features & (1 << feat_entry->bit))
+ vlib_cli_output (vm, " %s (%d)", feat_entry->str,
+ feat_entry->bit);
+ feat_entry++;
+ }
+
+ vlib_cli_output (vm, "\n");
+
+ vlib_cli_output (vm, " socket filename %s type %s errno \"%s\"\n\n",
+ vui->sock_filename,
+ vui->sock_is_server ? "server" : "client",
+ strerror (vui->sock_errno));
+
+ vlib_cli_output (vm, " Memory regions (total %d)\n", mem->nregions);
+
+ if (mem->nregions)
+ {
+ vlib_cli_output (vm,
+ " region fd guest_phys_addr memory_size userspace_addr mmap_offset mmap_addr\n");
+ vlib_cli_output (vm,
+ " ====== ===== ================== ================== ================== ================== ==================\n");
+ }
+ for (j = 0; j < mem->nregions; j++)
+ {
+ vlib_cli_output (vm,
+ " %d %-5d 0x%016lx 0x%016lx 0x%016lx 0x%016lx 0x%016lx\n",
+ j, vui->region_fd[j],
+ mem->regions[j].guest_phys_address,
+ mem->regions[j].memory_size,
+ mem->regions[j].userspace_address,
+ mem->regions[j].address_offset,
+ vui->region_addr[j]);
+ }
+ for (q = 0; q < vui->num_vrings; q++)
+ {
+ struct vhost_virtqueue *vq = vhost_dev->virtqueue[q];
+ const char *qtype = (q & 1) ? "TX" : "RX";
+
+ vlib_cli_output (vm, "\n Virtqueue %d (%s)\n", q / 2, qtype);
+
+ vlib_cli_output (vm,
+ " qsz %d last_used_idx %d last_used_idx_res %d\n",
+ vq->size, vq->last_used_idx,
+ vq->last_used_idx_res);
+
+ if (vq->avail && vq->used)
+ vlib_cli_output (vm,
+ " avail.flags %x avail.idx %d used.flags %x used.idx %d\n",
+ vq->avail->flags, vq->avail->idx,
+ vq->used->flags, vq->used->idx);
+
+ vlib_cli_output (vm, " kickfd %d callfd %d errfd %d enabled %d\n",
+ vq->kickfd, vq->callfd, vui->vrings[q].errfd,
+ vq->enabled);
+
+ if (show_descr && vq->enabled)
+ {
+ vlib_cli_output (vm, "\n descriptor table:\n");
+ vlib_cli_output (vm,
+ " id addr len flags next user_addr\n");
+ vlib_cli_output (vm,
+ " ===== ================== ===== ====== ===== ==================\n");
+ for (j = 0; j < vq->size; j++)
+ {
+ vlib_cli_output (vm,
+ " %-5d 0x%016lx %-5d 0x%04x %-5d 0x%016lx\n",
+ j, vq->desc[j].addr, vq->desc[j].len,
+ vq->desc[j].flags, vq->desc[j].next,
+ pointer_to_uword (map_guest_mem
+ (xd, vq->desc[j].addr)));
+ }
+ }
+ }
+ vlib_cli_output (vm, "\n");
}
- vlib_cli_output (vm, "\n");
- }
done:
vec_free (hw_if_indices);
return error;
+#endif
}
+/* *INDENT-OFF* */
VLIB_CLI_COMMAND (show_vhost_user_command, static) = {
.path = "show vhost-user",
.short_help = "show vhost-user interface",
.function = show_dpdk_vhost_user_command_fn,
};
+/* *INDENT-ON* */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
Code Review / vpp.git / blobdiff