diff options
Diffstat (limited to 'src/vnet/devices/virtio/virtio.c')
| -rw-r--r-- | src/vnet/devices/virtio/virtio.c | 184 |
1 files changed, 119 insertions, 65 deletions
diff --git a/src/vnet/devices/virtio/virtio.c b/src/vnet/devices/virtio/virtio.c index 925ad092b91..99f581a1f1b 100644 --- a/src/vnet/devices/virtio/virtio.c +++ b/src/vnet/devices/virtio/virtio.c @@ -134,7 +134,7 @@ virtio_vring_init (vlib_main_t * vm, virtio_if_t * vif, u16 idx, u16 sz) } inline void -virtio_free_rx_buffers (vlib_main_t * vm, virtio_vring_t * vring) +virtio_free_buffers (vlib_main_t * vm, virtio_vring_t * vring) { u16 used = vring->desc_in_use; u16 last = vring->last_used_idx; @@ -159,7 +159,7 @@ virtio_vring_free_rx (vlib_main_t * vm, virtio_if_t * vif, u32 idx) close (vring->call_fd); if (vring->used) { - virtio_free_rx_buffers (vm, vring); + virtio_free_buffers (vm, vring); clib_mem_free (vring->used); } if (vring->desc) @@ -170,32 +170,6 @@ virtio_vring_free_rx (vlib_main_t * vm, virtio_if_t * vif, u32 idx) return 0; } -inline void -virtio_free_used_desc (vlib_main_t * vm, virtio_vring_t * vring) -{ - u16 used = vring->desc_in_use; - u16 sz = vring->size; - u16 mask = sz - 1; - u16 last = vring->last_used_idx; - u16 n_left = vring->used->idx - last; - - if (n_left == 0) - return; - - while (n_left) - { - vring_used_elem_t *e = &vring->used->ring[last & mask]; - u16 slot = e->id; - - vlib_buffer_free (vm, &vring->buffers[slot], 1); - used--; - last++; - n_left--; - } - vring->desc_in_use = used; - vring->last_used_idx = last; -} - clib_error_t * virtio_vring_free_tx (vlib_main_t * vm, virtio_if_t * vif, u32 idx) { @@ -207,7 +181,7 @@ virtio_vring_free_tx (vlib_main_t * vm, virtio_if_t * vif, u32 idx) close (vring->call_fd); if (vring->used) { - virtio_free_used_desc (vm, vring); + virtio_free_buffers (vm, vring); clib_mem_free (vring->used); } if (vring->desc) @@ -408,10 +382,24 @@ virtio_show (vlib_main_t * vm, u32 * hw_if_indices, u8 show_descr, u32 type) " qsz %d, last_used_idx %d, desc_next %d, desc_in_use %d", vring->size, vring->last_used_idx, vring->desc_next, vring->desc_in_use); - vlib_cli_output (vm, - " avail.flags 0x%x avail.idx %d used.flags 0x%x used.idx %d", - vring->avail->flags, vring->avail->idx, - vring->used->flags, vring->used->idx); + if (vif->is_packed) + { + vlib_cli_output (vm, + " driver_event.flags 0x%x driver_event.off_wrap %d device_event.flags 0x%x device_event.off_wrap %d", + vring->driver_event->flags, + vring->driver_event->off_wrap, + vring->device_event->flags, + vring->device_event->off_wrap); + vlib_cli_output (vm, + " avail wrap counter %d, used wrap counter %d", + vring->avail_wrap_counter, + vring->used_wrap_counter); + } + else + vlib_cli_output (vm, + " avail.flags 0x%x avail.idx %d used.flags 0x%x used.idx %d", + vring->avail->flags, vring->avail->idx, + vring->used->flags, vring->used->idx); if (type & (VIRTIO_IF_TYPE_TAP | VIRTIO_IF_TYPE_TUN)) { vlib_cli_output (vm, " kickfd %d, callfd %d", vring->kick_fd, @@ -421,17 +409,29 @@ virtio_show (vlib_main_t * vm, u32 * hw_if_indices, u8 show_descr, u32 type) { vlib_cli_output (vm, "\n descriptor table:\n"); vlib_cli_output (vm, - " id addr len flags next user_addr\n"); + " id addr len flags next/id user_addr\n"); vlib_cli_output (vm, - " ===== ================== ===== ====== ===== ==================\n"); + " ===== ================== ===== ====== ======= ==================\n"); for (j = 0; j < vring->size; j++) { - vring_desc_t *desc = &vring->desc[j]; - vlib_cli_output (vm, - " %-5d 0x%016lx %-5d 0x%04x %-5d 0x%016lx\n", - j, desc->addr, - desc->len, - desc->flags, desc->next, desc->addr); + if (vif->is_packed) + { + vring_packed_desc_t *desc = &vring->packed_desc[j]; + vlib_cli_output (vm, + " %-5d 0x%016lx %-5d 0x%04x %-8d 0x%016lx\n", + j, desc->addr, + desc->len, + desc->flags, desc->id, desc->addr); + } + else + { + vring_desc_t *desc = &vring->desc[j]; + vlib_cli_output (vm, + " %-5d 0x%016lx %-5d 0x%04x %-8d 0x%016lx\n", + j, desc->addr, + desc->len, + desc->flags, desc->next, desc->addr); + } } } } @@ -443,10 +443,24 @@ virtio_show (vlib_main_t * vm, u32 * hw_if_indices, u8 show_descr, u32 type) " qsz %d, last_used_idx %d, desc_next %d, desc_in_use %d", vring->size, vring->last_used_idx, vring->desc_next, vring->desc_in_use); - vlib_cli_output (vm, - " avail.flags 0x%x avail.idx %d used.flags 0x%x used.idx %d", - vring->avail->flags, vring->avail->idx, - vring->used->flags, vring->used->idx); + if (vif->is_packed) + { + vlib_cli_output (vm, + " driver_event.flags 0x%x driver_event.off_wrap %d device_event.flags 0x%x device_event.off_wrap %d", + vring->driver_event->flags, + vring->driver_event->off_wrap, + vring->device_event->flags, + vring->device_event->off_wrap); + vlib_cli_output (vm, + " avail wrap counter %d, used wrap counter %d", + vring->avail_wrap_counter, + vring->used_wrap_counter); + } + else + vlib_cli_output (vm, + " avail.flags 0x%x avail.idx %d used.flags 0x%x used.idx %d", + vring->avail->flags, vring->avail->idx, + vring->used->flags, vring->used->idx); if (type & (VIRTIO_IF_TYPE_TAP | VIRTIO_IF_TYPE_TUN)) { vlib_cli_output (vm, " kickfd %d, callfd %d", vring->kick_fd, @@ -466,17 +480,29 @@ virtio_show (vlib_main_t * vm, u32 * hw_if_indices, u8 show_descr, u32 type) { vlib_cli_output (vm, "\n descriptor table:\n"); vlib_cli_output (vm, - " id addr len flags next user_addr\n"); + " id addr len flags next/id user_addr\n"); vlib_cli_output (vm, - " ===== ================== ===== ====== ===== ==================\n"); + " ===== ================== ===== ====== ======== ==================\n"); for (j = 0; j < vring->size; j++) { - vring_desc_t *desc = &vring->desc[j]; - vlib_cli_output (vm, - " %-5d 0x%016lx %-5d 0x%04x %-5d 0x%016lx\n", - j, desc->addr, - desc->len, - desc->flags, desc->next, desc->addr); + if (vif->is_packed) + { + vring_packed_desc_t *desc = &vring->packed_desc[j]; + vlib_cli_output (vm, + " %-5d 0x%016lx %-5d 0x%04x %-8d 0x%016lx\n", + j, desc->addr, + desc->len, + desc->flags, desc->id, desc->addr); + } + else + { + vring_desc_t *desc = &vring->desc[j]; + vlib_cli_output (vm, + " %-5d 0x%016lx %-5d 0x%04x %-8d 0x%016lx\n", + j, desc->addr, + desc->len, + desc->flags, desc->next, desc->addr); + } } } } @@ -489,10 +515,26 @@ virtio_show (vlib_main_t * vm, u32 * hw_if_indices, u8 show_descr, u32 type) " qsz %d, last_used_idx %d, desc_next %d, desc_in_use %d", vring->size, vring->last_used_idx, vring->desc_next, vring->desc_in_use); - vlib_cli_output (vm, - " avail.flags 0x%x avail.idx %d used.flags 0x%x used.idx %d", - vring->avail->flags, vring->avail->idx, - vring->used->flags, vring->used->idx); + if (vif->is_packed) + { + vlib_cli_output (vm, + " driver_event.flags 0x%x driver_event.off_wrap %d device_event.flags 0x%x device_event.off_wrap %d", + vring->driver_event->flags, + vring->driver_event->off_wrap, + vring->device_event->flags, + vring->device_event->off_wrap); + vlib_cli_output (vm, + " avail wrap counter %d, used wrap counter %d", + vring->avail_wrap_counter, + vring->used_wrap_counter); + } + else + { + vlib_cli_output (vm, + " avail.flags 0x%x avail.idx %d used.flags 0x%x used.idx %d", + vring->avail->flags, vring->avail->idx, + vring->used->flags, vring->used->idx); + } if (type & (VIRTIO_IF_TYPE_TAP | VIRTIO_IF_TYPE_TUN)) { vlib_cli_output (vm, " kickfd %d, callfd %d", vring->kick_fd, @@ -502,17 +544,29 @@ virtio_show (vlib_main_t * vm, u32 * hw_if_indices, u8 show_descr, u32 type) { vlib_cli_output (vm, "\n descriptor table:\n"); vlib_cli_output (vm, - " id addr len flags next user_addr\n"); + " id addr len flags next/id user_addr\n"); vlib_cli_output (vm, - " ===== ================== ===== ====== ===== ==================\n"); + " ===== ================== ===== ====== ======== ==================\n"); for (j = 0; j < vring->size; j++) { - vring_desc_t *desc = &vring->desc[j]; - vlib_cli_output (vm, - " %-5d 0x%016lx %-5d 0x%04x %-5d 0x%016lx\n", - j, desc->addr, - desc->len, - desc->flags, desc->next, desc->addr); + if (vif->is_packed) + { + vring_packed_desc_t *desc = &vring->packed_desc[j]; + vlib_cli_output (vm, + " %-5d 0x%016lx %-5d 0x%04x %-8d 0x%016lx\n", + j, desc->addr, + desc->len, + desc->flags, desc->id, desc->addr); + } + else + { + vring_desc_t *desc = &vring->desc[j]; + vlib_cli_output (vm, + " %-5d 0x%016lx %-5d 0x%04x %-8d 0x%016lx\n", + j, desc->addr, + desc->len, + desc->flags, desc->next, desc->addr); + } } } } |