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-rw-r--r--src/plugins/avf/avf.h2
-rw-r--r--src/plugins/avf/device.c1
-rw-r--r--src/plugins/avf/output.c22
-rw-r--r--src/plugins/dpdk/device/device.c20
-rw-r--r--src/plugins/memif/device.c20
-rw-r--r--src/vnet/devices/virtio/vhost_user_output.c21
-rw-r--r--src/vnet/interface.c21
-rw-r--r--src/vnet/interface.h21
8 files changed, 54 insertions, 74 deletions
diff --git a/src/plugins/avf/avf.h b/src/plugins/avf/avf.h
index 3ee80158667..1dc5d96ec72 100644
--- a/src/plugins/avf/avf.h
+++ b/src/plugins/avf/avf.h
@@ -216,8 +216,6 @@ void avf_delete_if (vlib_main_t * vm, avf_device_t * ad);
extern vlib_node_registration_t avf_input_node;
extern vnet_device_class_t avf_device_class;
-uword avf_interface_tx (vlib_main_t * vm, vlib_node_runtime_t * node,
- vlib_frame_t * frame);
/* format.c */
format_function_t format_avf_device;
diff --git a/src/plugins/avf/device.c b/src/plugins/avf/device.c
index a6af902a7fc..94b5ca46648 100644
--- a/src/plugins/avf/device.c
+++ b/src/plugins/avf/device.c
@@ -1299,7 +1299,6 @@ avf_interface_rx_mode_change (vnet_main_t * vnm, u32 hw_if_index, u32 qid,
VNET_DEVICE_CLASS (avf_device_class,) =
{
.name = "Adaptive Virtual Function (AVF) interface",
- .tx_function = avf_interface_tx,
.format_device = format_avf_device,
.format_device_name = format_avf_device_name,
.admin_up_down_function = avf_interface_admin_up_down,
diff --git a/src/plugins/avf/output.c b/src/plugins/avf/output.c
index 68420a7a1d4..2001c117d38 100644
--- a/src/plugins/avf/output.c
+++ b/src/plugins/avf/output.c
@@ -34,10 +34,9 @@ avf_tx_desc_get_dtyp (avf_tx_desc_t * d)
return d->qword[1] & 0x0f;
}
-uword
-CLIB_MULTIARCH_FN (avf_interface_tx) (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * frame)
+VNET_DEVICE_CLASS_TX_FN (avf_device_class) (vlib_main_t * vm,
+ vlib_node_runtime_t * node,
+ vlib_frame_t * frame)
{
avf_main_t *am = &avf_main;
vnet_interface_output_runtime_t *rd = (void *) node->runtime_data;
@@ -159,21 +158,6 @@ CLIB_MULTIARCH_FN (avf_interface_tx) (vlib_main_t * vm,
return frame->n_vectors - n_left;
}
-#ifndef CLIB_MARCH_VARIANT
-#if __x86_64__
-vlib_node_function_t __clib_weak avf_interface_tx_avx512;
-vlib_node_function_t __clib_weak avf_interface_tx_avx2;
-static void __clib_constructor
-avf_interface_tx_multiarch_select (void)
-{
- if (avf_interface_tx_avx512 && clib_cpu_supports_avx512f ())
- avf_device_class.tx_function = avf_interface_tx_avx512;
- else if (avf_interface_tx_avx2 && clib_cpu_supports_avx2 ())
- avf_device_class.tx_function = avf_interface_tx_avx2;
-}
-#endif
-#endif
-
/*
* fd.io coding-style-patch-verification: ON
*
diff --git a/src/plugins/dpdk/device/device.c b/src/plugins/dpdk/device/device.c
index d5ab2585c93..8776e09ed05 100644
--- a/src/plugins/dpdk/device/device.c
+++ b/src/plugins/dpdk/device/device.c
@@ -327,10 +327,9 @@ dpdk_buffer_tx_offload (dpdk_device_t * xd, vlib_buffer_t * b,
* node. It first copies packets on the frame to a per-thread arrays
* containing the rte_mbuf pointers.
*/
-uword
-CLIB_MULTIARCH_FN (dpdk_interface_tx) (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * f)
+VNET_DEVICE_CLASS_TX_FN (dpdk_device_class) (vlib_main_t * vm,
+ vlib_node_runtime_t * node,
+ vlib_frame_t * f)
{
dpdk_main_t *dm = &dpdk_main;
vnet_interface_output_runtime_t *rd = (void *) node->runtime_data;
@@ -663,7 +662,6 @@ done:
/* *INDENT-OFF* */
VNET_DEVICE_CLASS (dpdk_device_class) = {
.name = "dpdk",
- .tx_function = dpdk_interface_tx,
.tx_function_n_errors = DPDK_TX_FUNC_N_ERROR,
.tx_function_error_strings = dpdk_tx_func_error_strings,
.format_device_name = format_dpdk_device_name,
@@ -679,18 +677,6 @@ VNET_DEVICE_CLASS (dpdk_device_class) = {
};
/* *INDENT-ON* */
-#if __x86_64__
-vlib_node_function_t __clib_weak dpdk_interface_tx_avx512;
-vlib_node_function_t __clib_weak dpdk_interface_tx_avx2;
-static void __clib_constructor
-dpdk_interface_tx_multiarch_select (void)
-{
- if (dpdk_interface_tx_avx512 && clib_cpu_supports_avx512f ())
- dpdk_device_class.tx_function = dpdk_interface_tx_avx512;
- else if (dpdk_interface_tx_avx2 && clib_cpu_supports_avx2 ())
- dpdk_device_class.tx_function = dpdk_interface_tx_avx2;
-}
-#endif
#endif
#define UP_DOWN_FLAG_EVENT 1
diff --git a/src/plugins/memif/device.c b/src/plugins/memif/device.c
index 5c8eb3f082c..f86d692a103 100644
--- a/src/plugins/memif/device.c
+++ b/src/plugins/memif/device.c
@@ -400,10 +400,9 @@ no_free_slots:
return frame->n_vectors;
}
-uword
-CLIB_MULTIARCH_FN (memif_interface_tx) (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * frame)
+VNET_DEVICE_CLASS_TX_FN (memif_device_class) (vlib_main_t * vm,
+ vlib_node_runtime_t * node,
+ vlib_frame_t * frame)
{
memif_main_t *nm = &memif_main;
vnet_interface_output_runtime_t *rund = (void *) node->runtime_data;
@@ -504,7 +503,6 @@ memif_subif_add_del_function (vnet_main_t * vnm,
/* *INDENT-OFF* */
VNET_DEVICE_CLASS (memif_device_class) = {
.name = "memif",
- .tx_function = memif_interface_tx,
.format_device_name = format_memif_device_name,
.format_device = format_memif_device,
.format_tx_trace = format_memif_tx_trace,
@@ -517,18 +515,6 @@ VNET_DEVICE_CLASS (memif_device_class) = {
.rx_mode_change_function = memif_interface_rx_mode_change,
};
-#if __x86_64__
-vlib_node_function_t __clib_weak memif_interface_tx_avx512;
-vlib_node_function_t __clib_weak memif_interface_tx_avx2;
-static void __clib_constructor
-memif_interface_tx_multiarch_select (void)
-{
- if (memif_interface_tx_avx512 && clib_cpu_supports_avx512f ())
- memif_device_class.tx_function = memif_interface_tx_avx512;
- else if (memif_interface_tx_avx2 && clib_cpu_supports_avx2 ())
- memif_device_class.tx_function = memif_interface_tx_avx2;
-}
-#endif
#endif
/* *INDENT-ON* */
diff --git a/src/vnet/devices/virtio/vhost_user_output.c b/src/vnet/devices/virtio/vhost_user_output.c
index b41583708b3..9c65f249b4b 100644
--- a/src/vnet/devices/virtio/vhost_user_output.c
+++ b/src/vnet/devices/virtio/vhost_user_output.c
@@ -223,11 +223,9 @@ vhost_user_tx_copy (vhost_user_intf_t * vui, vhost_copy_t * cpy,
return 0;
}
-
-uword
-CLIB_MULTIARCH_FN (vhost_user_tx) (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * frame)
+VNET_DEVICE_CLASS_TX_FN (vhost_user_device_class) (vlib_main_t * vm,
+ vlib_node_runtime_t *
+ node, vlib_frame_t * frame)
{
u32 *buffers = vlib_frame_args (frame);
u32 n_left = frame->n_vectors;
@@ -636,7 +634,6 @@ vhost_user_interface_admin_up_down (vnet_main_t * vnm, u32 hw_if_index,
/* *INDENT-OFF* */
VNET_DEVICE_CLASS (vhost_user_device_class) = {
.name = "vhost-user",
- .tx_function = vhost_user_tx,
.tx_function_n_errors = VHOST_USER_TX_FUNC_N_ERROR,
.tx_function_error_strings = vhost_user_tx_func_error_strings,
.format_device_name = format_vhost_user_interface_name,
@@ -646,18 +643,6 @@ VNET_DEVICE_CLASS (vhost_user_device_class) = {
.format_tx_trace = format_vhost_trace,
};
-#if __x86_64__
-vlib_node_function_t __clib_weak vhost_user_tx_avx512;
-vlib_node_function_t __clib_weak vhost_user_tx_avx2;
-static void __clib_constructor
-vhost_user_tx_multiarch_select (void)
-{
- if (vhost_user_tx_avx512 && clib_cpu_supports_avx512f ())
- vhost_user_device_class.tx_function = vhost_user_tx_avx512;
- else if (vhost_user_tx_avx2 && clib_cpu_supports_avx2 ())
- vhost_user_device_class.tx_function = vhost_user_tx_avx2;
-}
-#endif
#endif
/* *INDENT-ON* */
diff --git a/src/vnet/interface.c b/src/vnet/interface.c
index ca4dc493aac..1e69ccbf6ea 100644
--- a/src/vnet/interface.c
+++ b/src/vnet/interface.c
@@ -1359,6 +1359,27 @@ vnet_interface_init (vlib_main_t * vm)
{
c->index = vec_len (im->device_classes);
hash_set_mem (im->device_class_by_name, c->name, c->index);
+
+ if (c->tx_fn_registrations)
+ {
+ vlib_node_fn_registration_t *fnr = c->tx_fn_registrations;
+ int priority = -1;
+
+ /* to avoid confusion, please remove ".tx_function" statiement
+ from VNET_DEVICE_CLASS() if using function candidates */
+ ASSERT (c->tx_function == 0);
+
+ while (fnr)
+ {
+ if (fnr->priority > priority)
+ {
+ priority = fnr->priority;
+ c->tx_function = fnr->function;
+ }
+ fnr = fnr->next_registration;
+ }
+ }
+
vec_add1 (im->device_classes, c[0]);
c = c->next_class_registration;
}
diff --git a/src/vnet/interface.h b/src/vnet/interface.h
index d869b0c70a2..e9adfe84cbf 100644
--- a/src/vnet/interface.h
+++ b/src/vnet/interface.h
@@ -195,6 +195,9 @@ typedef struct _vnet_device_class
/* Transmit function. */
vlib_node_function_t *tx_function;
+ /* Transmit function candidate registration with priority */
+ vlib_node_fn_registration_t *tx_fn_registrations;
+
/* Error strings indexed by error code for this node. */
char **tx_function_error_strings;
@@ -265,6 +268,24 @@ static void __vnet_rm_device_class_registration_##x (void) \
} \
__VA_ARGS__ vnet_device_class_t x
+#define VNET_DEVICE_CLASS_TX_FN(devclass) \
+uword CLIB_MARCH_SFX (devclass##_tx_fn)(); \
+static vlib_node_fn_registration_t \
+ CLIB_MARCH_SFX(devclass##_tx_fn_registration) = \
+ { .function = &CLIB_MARCH_SFX (devclass##_tx_fn), }; \
+ \
+static void __clib_constructor \
+CLIB_MARCH_SFX (devclass##_tx_fn_multiarch_register) (void) \
+{ \
+ extern vnet_device_class_t devclass; \
+ vlib_node_fn_registration_t *r; \
+ r = &CLIB_MARCH_SFX (devclass##_tx_fn_registration); \
+ r->priority = CLIB_MARCH_FN_PRIORITY(); \
+ r->next_registration = devclass.tx_fn_registrations; \
+ devclass.tx_fn_registrations = r; \
+} \
+uword CLIB_CPU_OPTIMIZED CLIB_MARCH_SFX (devclass##_tx_fn)
+
#define VLIB_DEVICE_TX_FUNCTION_CLONE_TEMPLATE(arch, fn, tgt) \
uword \
__attribute__ ((flatten)) \