diff options
Diffstat (limited to 'src/plugins/memif/device.c')
| -rw-r--r-- | src/plugins/memif/device.c | 69 |
1 files changed, 37 insertions, 32 deletions
diff --git a/src/plugins/memif/device.c b/src/plugins/memif/device.c index f496b17d..870dd354 100644 --- a/src/plugins/memif/device.c +++ b/src/plugins/memif/device.c @@ -26,6 +26,7 @@ #include <vnet/ethernet/ethernet.h> #include <memif/memif.h> +#include <memif/private.h> #define foreach_memif_tx_func_error \ _(NO_FREE_SLOTS, "no free tx slots") \ @@ -45,8 +46,7 @@ static char *memif_tx_func_error_strings[] = { #undef _ }; - -static u8 * +u8 * format_memif_device_name (u8 * s, va_list * args) { u32 i = va_arg (*args, u32); @@ -91,27 +91,30 @@ memif_interface_tx_inline (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * frame, memif_if_t * mif, memif_ring_type_t type) { - u8 rid; + u8 qid; memif_ring_t *ring; u32 *buffers = vlib_frame_args (frame); u32 n_left = frame->n_vectors; - u16 ring_size = 1 << mif->log2_ring_size; - u16 mask = ring_size - 1; + u16 ring_size, mask; u16 head, tail; u16 free_slots; u32 thread_index = vlib_get_thread_index (); - u8 tx_queues = memif_get_tx_queues (mif); + u8 tx_queues = vec_len (mif->tx_queues); + memif_queue_t *mq; if (tx_queues < vec_len (vlib_mains)) { - rid = thread_index % tx_queues; + qid = thread_index % tx_queues; clib_spinlock_lock_if_init (&mif->lockp); } else { - rid = thread_index; + qid = thread_index; } - ring = memif_get_ring (mif, type, rid); + mq = vec_elt_at_index (mif->tx_queues, qid); + ring = mq->ring; + ring_size = 1 << mq->log2_ring_size; + mask = ring_size - 1; /* free consumed buffers */ @@ -214,10 +217,11 @@ memif_interface_tx_inline (vlib_main_t * vm, vlib_node_runtime_t * node, } vlib_buffer_free (vm, vlib_frame_args (frame), frame->n_vectors); - if (mif->interrupt_line.fd > 0) + if ((ring->flags & MEMIF_RING_FLAG_MASK_INT) == 0 && mq->int_fd > -1) { - u8 b = rid; - CLIB_UNUSED (int r) = write (mif->interrupt_line.fd, &b, sizeof (b)); + u64 b = 1; + CLIB_UNUSED (int r) = write (mq->int_fd, &b, sizeof (b)); + mq->int_count++; } return frame->n_vectors; @@ -263,34 +267,34 @@ memif_clear_hw_interface_counters (u32 instance) } static clib_error_t * +memif_interface_rx_mode_change (vnet_main_t * vnm, u32 hw_if_index, u32 qid, + vnet_hw_interface_rx_mode mode) +{ + memif_main_t *mm = &memif_main; + vnet_hw_interface_t *hw = vnet_get_hw_interface (vnm, hw_if_index); + memif_if_t *mif = pool_elt_at_index (mm->interfaces, hw->dev_instance); + memif_queue_t *mq = vec_elt_at_index (mif->rx_queues, qid); + + if (mode == VNET_HW_INTERFACE_RX_MODE_POLLING) + mq->ring->flags |= MEMIF_RING_FLAG_MASK_INT; + else + mq->ring->flags &= ~MEMIF_RING_FLAG_MASK_INT; + + return 0; +} + +static clib_error_t * memif_interface_admin_up_down (vnet_main_t * vnm, u32 hw_if_index, u32 flags) { - memif_main_t *apm = &memif_main; - vlib_main_t *vm = vlib_get_main (); - memif_msg_t msg = { 0 }; + memif_main_t *mm = &memif_main; vnet_hw_interface_t *hw = vnet_get_hw_interface (vnm, hw_if_index); - memif_if_t *mif = pool_elt_at_index (apm->interfaces, hw->dev_instance); + memif_if_t *mif = pool_elt_at_index (mm->interfaces, hw->dev_instance); static clib_error_t *error = 0; if (flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP) mif->flags |= MEMIF_IF_FLAG_ADMIN_UP; else - { - mif->flags &= ~MEMIF_IF_FLAG_ADMIN_UP; - if (!(mif->flags & MEMIF_IF_FLAG_DELETING) - && mif->connection.index != ~0) - { - msg.version = MEMIF_VERSION; - msg.type = MEMIF_MSG_TYPE_DISCONNECT; - if (send (mif->connection.fd, &msg, sizeof (msg), 0) < 0) - { - clib_unix_warning ("Failed to send disconnect request"); - error = clib_error_return_unix (0, "send fd %d", - mif->connection.fd); - memif_disconnect (vm, mif); - } - } - } + mif->flags &= ~MEMIF_IF_FLAG_ADMIN_UP; return error; } @@ -317,6 +321,7 @@ VNET_DEVICE_CLASS (memif_device_class) = { .clear_counters = memif_clear_hw_interface_counters, .admin_up_down_function = memif_interface_admin_up_down, .subif_add_del_function = memif_subif_add_del_function, + .rx_mode_change_function = memif_interface_rx_mode_change, }; VLIB_DEVICE_TX_FUNCTION_MULTIARCH(memif_device_class, |