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-rw-r--r--src/vnet/devices/tap/cli.c2
-rw-r--r--src/vnet/devices/tap/tap.c2
-rw-r--r--src/vnet/devices/virtio/device.c28
-rw-r--r--src/vnet/devices/virtio/virtio.c1
-rw-r--r--src/vnet/gso/gro.h29
5 files changed, 39 insertions, 23 deletions
diff --git a/src/vnet/devices/tap/cli.c b/src/vnet/devices/tap/cli.c
index 7580d920061..89b2ff091b0 100644
--- a/src/vnet/devices/tap/cli.c
+++ b/src/vnet/devices/tap/cli.c
@@ -142,7 +142,7 @@ VLIB_CLI_COMMAND (tap_create_command, static) = {
"[host-ip4-addr <ip4addr/mask>] [host-ip6-addr <ip6-addr>] "
"[host-ip4-gw <ip4-addr>] [host-ip6-gw <ip6-addr>] "
"[host-mac-addr <host-mac-address>] [host-if-name <name>] "
- "[host-mtu-size <size>] [no-gso|gso|csum-offload|gro-coalesce] "
+ "[host-mtu-size <size>] [no-gso|gso [gro-coalesce]|csum-offload] "
"[persist] [attach] [tun] [packed] [in-order]",
.function = tap_create_command_fn,
};
diff --git a/src/vnet/devices/tap/tap.c b/src/vnet/devices/tap/tap.c
index c265aa201ec..bc2bf56cab3 100644
--- a/src/vnet/devices/tap/tap.c
+++ b/src/vnet/devices/tap/tap.c
@@ -731,7 +731,6 @@ tap_create_if (vlib_main_t * vm, tap_create_if_args_t * args)
if ((args->tap_flags & TAP_FLAG_GSO)
&& (args->tap_flags & TAP_FLAG_GRO_COALESCE))
{
- vif->packet_coalesce = 1;
virtio_set_packet_coalesce (vif);
}
vnet_hw_interface_set_input_node (vnm, vif->hw_if_index,
@@ -900,7 +899,6 @@ tap_gso_enable_disable (vlib_main_t * vm, u32 sw_if_index, int enable_disable,
}
if (is_packet_coalesce)
{
- vif->packet_coalesce = 1;
virtio_set_packet_coalesce (vif);
}
}
diff --git a/src/vnet/devices/virtio/device.c b/src/vnet/devices/virtio/device.c
index 56c0a98491e..7fa4dde4ea3 100644
--- a/src/vnet/devices/virtio/device.c
+++ b/src/vnet/devices/virtio/device.c
@@ -719,24 +719,38 @@ virtio_interface_rx_mode_change (vnet_main_t * vnm, u32 hw_if_index, u32 qid,
virtio_main_t *mm = &virtio_main;
vnet_hw_interface_t *hw = vnet_get_hw_interface (vnm, hw_if_index);
virtio_if_t *vif = pool_elt_at_index (mm->interfaces, hw->dev_instance);
- virtio_vring_t *vring = vec_elt_at_index (vif->rxq_vrings, qid);
+ virtio_vring_t *rx_vring = vec_elt_at_index (vif->rxq_vrings, qid);
+ virtio_vring_t *tx_vring = 0;
if (vif->type == VIRTIO_IF_TYPE_PCI && !(vif->support_int_mode))
{
- vring->avail->flags |= VRING_AVAIL_F_NO_INTERRUPT;
+ rx_vring->avail->flags |= VRING_AVAIL_F_NO_INTERRUPT;
return clib_error_return (0, "interrupt mode is not supported");
}
if (mode == VNET_HW_INTERFACE_RX_MODE_POLLING)
{
- /* only enable packet coalesce in poll mode */
- gro_flow_table_set_is_enable (vring->flow_table, 1);
- vring->avail->flags |= VRING_AVAIL_F_NO_INTERRUPT;
+ vec_foreach (tx_vring, vif->txq_vrings)
+ {
+ /* only enable packet coalesce in poll mode */
+ gro_flow_table_set_is_enable (tx_vring->flow_table, 1);
+ }
+ rx_vring->avail->flags |= VRING_AVAIL_F_NO_INTERRUPT;
}
else
{
- gro_flow_table_set_is_enable (vring->flow_table, 0);
- vring->avail->flags &= ~VRING_AVAIL_F_NO_INTERRUPT;
+ if (vif->packet_coalesce)
+ {
+ virtio_log_warning (vif,
+ "interface %U is in interrupt mode, disabling packet coalescing",
+ format_vnet_sw_if_index_name, vnet_get_main (),
+ vif->sw_if_index);
+ vec_foreach (tx_vring, vif->txq_vrings)
+ {
+ gro_flow_table_set_is_enable (tx_vring->flow_table, 0);
+ }
+ }
+ rx_vring->avail->flags &= ~VRING_AVAIL_F_NO_INTERRUPT;
}
return 0;
diff --git a/src/vnet/devices/virtio/virtio.c b/src/vnet/devices/virtio/virtio.c
index ec22a0d45f4..e74f3783756 100644
--- a/src/vnet/devices/virtio/virtio.c
+++ b/src/vnet/devices/virtio/virtio.c
@@ -226,6 +226,7 @@ virtio_set_packet_coalesce (virtio_if_t * vif)
vnet_main_t *vnm = vnet_get_main ();
vnet_hw_interface_t *hw = vnet_get_hw_interface (vnm, vif->hw_if_index);
virtio_vring_t *vring;
+ vif->packet_coalesce = 1;
vec_foreach (vring, vif->txq_vrings)
{
gro_flow_table_init (&vring->flow_table,
diff --git a/src/vnet/gso/gro.h b/src/vnet/gso/gro.h
index bfa592041e5..b2d6c285888 100644
--- a/src/vnet/gso/gro.h
+++ b/src/vnet/gso/gro.h
@@ -164,16 +164,7 @@ static_always_inline void
gro_flow_table_set_is_enable (gro_flow_table_t * flow_table, u8 is_enable)
{
if (flow_table)
- {
- if (is_enable)
- {
- flow_table->is_enable = 1;
- }
- else
- {
- flow_table->is_enable = 0;
- }
- }
+ flow_table->is_enable = is_enable;
}
static_always_inline void
@@ -264,12 +255,24 @@ static_always_inline u8 *
gro_flow_table_format (u8 * s, va_list * args)
{
gro_flow_table_t *flow_table = va_arg (*args, gro_flow_table_t *);
+ u32 indent;
+
+ if (!flow_table)
+ return s;
+
+ indent = format_get_indent (s);
+ if (flow_table->is_enable)
+ s = format (s, "packet-coalesce: enable\n");
+ else
+ s = format (s, "packet-coalesce: disable\n");
+
+ indent += 2;
s =
format (s,
- "flow-table: size %u gro-total-vectors %lu gro-n-vectors %u",
- flow_table->flow_table_size, flow_table->total_vectors,
- flow_table->n_vectors);
+ "%Uflow-table: size %u gro-total-vectors %lu gro-n-vectors %u",
+ format_white_space, indent, flow_table->flow_table_size,
+ flow_table->total_vectors, flow_table->n_vectors);
if (flow_table->n_vectors)
{
double average_rate =