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authorMohsin Kazmi <sykazmi@cisco.com>2020-09-16 16:53:16 +0000
committerBeno�t Ganne <bganne@cisco.com>2020-09-24 16:47:37 +0000
commit03b2695f17a297641e78b3901e17d617d893e3a7 (patch)
tree1726fded8317f58dca52f9e79085f4cbc452009e /src/vnet/devices/virtio/device.c
parent49774343545d0e0c40f6d80a7194f09b4681827f (diff)
virtio: refactor tx trace
Type: refactor Signed-off-by: Mohsin Kazmi <sykazmi@cisco.com> Change-Id: I37fef2c32d0561b944b201a1012b87c7ac315e73
Diffstat (limited to 'src/vnet/devices/virtio/device.c')
-rw-r--r--src/vnet/devices/virtio/device.c70
1 files changed, 37 insertions, 33 deletions
diff --git a/src/vnet/devices/virtio/device.c b/src/vnet/devices/virtio/device.c
index 1f1abfded77..6f7d1f664dc 100644
--- a/src/vnet/devices/virtio/device.c
+++ b/src/vnet/devices/virtio/device.c
@@ -100,6 +100,42 @@ format_virtio_tx_trace (u8 * s, va_list * va)
}
static_always_inline void
+virtio_tx_trace (vlib_main_t * vm, vlib_node_runtime_t * node,
+ virtio_if_type_t type, vlib_buffer_t * b0, u32 bi)
+{
+ virtio_tx_trace_t *t;
+ t = vlib_add_trace (vm, node, b0, sizeof (t[0]));
+ t->sw_if_index = vnet_buffer (b0)->sw_if_index[VLIB_TX];
+ t->buffer_index = bi;
+ if (type == VIRTIO_IF_TYPE_TUN)
+ {
+ int is_ip4 = 0, is_ip6 = 0;
+
+ switch (((u8 *) vlib_buffer_get_current (b0))[0] & 0xf0)
+ {
+ case 0x40:
+ is_ip4 = 1;
+ break;
+ case 0x60:
+ is_ip6 = 1;
+ break;
+ default:
+ break;
+ }
+ vnet_generic_header_offset_parser (b0, &t->gho, 0, is_ip4, is_ip6);
+ }
+ else
+ vnet_generic_header_offset_parser (b0, &t->gho, 1,
+ b0->flags &
+ VNET_BUFFER_F_IS_IP4,
+ b0->flags & VNET_BUFFER_F_IS_IP6);
+
+ clib_memcpy_fast (&t->buffer, b0, sizeof (*b0) - sizeof (b0->pre_data));
+ clib_memcpy_fast (t->buffer.pre_data, vlib_buffer_get_current (b0),
+ sizeof (t->buffer.pre_data));
+}
+
+static_always_inline void
virtio_interface_drop_inline (vlib_main_t * vm, uword node_index,
u32 * buffers, u16 n,
virtio_tx_func_error_t error)
@@ -555,43 +591,11 @@ retry:
while (n_left && free_desc_count)
{
u16 n_added = 0;
- virtio_tx_trace_t *t;
vlib_buffer_t *b0 = vlib_get_buffer (vm, buffers[0]);
if (b0->flags & VLIB_BUFFER_IS_TRACED)
{
- t = vlib_add_trace (vm, node, b0, sizeof (t[0]));
- t->sw_if_index = vnet_buffer (b0)->sw_if_index[VLIB_TX];
- t->buffer_index = buffers[0];
- if (type == VIRTIO_IF_TYPE_TUN)
- {
- int is_ip4 = 0, is_ip6 = 0;
-
- switch (((u8 *) vlib_buffer_get_current (b0))[0] & 0xf0)
- {
- case 0x40:
- is_ip4 = 1;
- break;
- case 0x60:
- is_ip6 = 1;
- break;
- default:
- break;
- }
- vnet_generic_header_offset_parser (b0, &t->gho, 0, is_ip4,
- is_ip6);
- }
- else
- vnet_generic_header_offset_parser (b0, &t->gho, 1,
- b0->flags &
- VNET_BUFFER_F_IS_IP4,
- b0->flags &
- VNET_BUFFER_F_IS_IP6);
-
- clib_memcpy_fast (&t->buffer, b0,
- sizeof (*b0) - sizeof (b0->pre_data));
- clib_memcpy_fast (t->buffer.pre_data, vlib_buffer_get_current (b0),
- sizeof (t->buffer.pre_data));
+ virtio_tx_trace (vm, node, type, b0, buffers[0]);
}
n_added =
add_buffer_to_slot (vm, vif, type, vring, buffers[0], free_desc_count,