From e9890ba546876aca343ae676b3c8f3c8d210829d Mon Sep 17 00:00:00 2001 From: Damjan Marion Date: Thu, 23 Nov 2017 17:19:08 +0100 Subject: memif: multiversioning Change-Id: I881551e6c13503a71ae29a7a58bde4d193745d55 Signed-off-by: Damjan Marion --- src/plugins/memif/device.c | 42 +++++++++++++++++++++++++++++------------- src/plugins/memif/node.c | 28 ++++++++++++++++++++++------ 2 files changed, 51 insertions(+), 19 deletions(-) (limited to 'src/plugins/memif') diff --git a/src/plugins/memif/device.c b/src/plugins/memif/device.c index 012c75327f1..fa3a4eda40d 100644 --- a/src/plugins/memif/device.c +++ b/src/plugins/memif/device.c @@ -42,12 +42,13 @@ typedef enum MEMIF_TX_N_ERROR, } memif_tx_func_error_t; -static char *memif_tx_func_error_strings[] = { +static __clib_unused char *memif_tx_func_error_strings[] = { #define _(n,s) s, foreach_memif_tx_func_error #undef _ }; +#ifndef CLIB_MULTIARCH_VARIANT u8 * format_memif_device_name (u8 * s, va_list * args) { @@ -58,8 +59,9 @@ format_memif_device_name (u8 * s, va_list * args) s = format (s, "memif%lu/%lu", mif->socket_file_index, mif->id); return s; } +#endif -static u8 * +static __clib_unused u8 * format_memif_device (u8 * s, va_list * args) { u32 dev_instance = va_arg (*args, u32); @@ -75,7 +77,7 @@ format_memif_device (u8 * s, va_list * args) return s; } -static u8 * +static __clib_unused u8 * format_memif_tx_trace (u8 * s, va_list * args) { s = format (s, "Unimplemented..."); @@ -256,9 +258,10 @@ error: return frame->n_vectors; } -static uword -memif_interface_tx (vlib_main_t * vm, - vlib_node_runtime_t * node, vlib_frame_t * frame) +uword +CLIB_MULTIARCH_FN (memif_interface_tx) (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; @@ -270,7 +273,7 @@ memif_interface_tx (vlib_main_t * vm, return memif_interface_tx_inline (vm, node, frame, mif, MEMIF_RING_M2S); } -static void +static __clib_unused void memif_set_interface_next_node (vnet_main_t * vnm, u32 hw_if_index, u32 node_index) { @@ -289,13 +292,13 @@ memif_set_interface_next_node (vnet_main_t * vnm, u32 hw_if_index, vlib_node_add_next (vlib_get_main (), memif_input_node.index, node_index); } -static void +static __clib_unused void memif_clear_hw_interface_counters (u32 instance) { /* Nothing for now */ } -static clib_error_t * +static __clib_unused clib_error_t * memif_interface_rx_mode_change (vnet_main_t * vnm, u32 hw_if_index, u32 qid, vnet_hw_interface_rx_mode mode) { @@ -312,7 +315,7 @@ memif_interface_rx_mode_change (vnet_main_t * vnm, u32 hw_if_index, u32 qid, return 0; } -static clib_error_t * +static __clib_unused clib_error_t * memif_interface_admin_up_down (vnet_main_t * vnm, u32 hw_if_index, u32 flags) { memif_main_t *mm = &memif_main; @@ -328,7 +331,7 @@ memif_interface_admin_up_down (vnet_main_t * vnm, u32 hw_if_index, u32 flags) return error; } -static clib_error_t * +static __clib_unused clib_error_t * memif_subif_add_del_function (vnet_main_t * vnm, u32 hw_if_index, struct vnet_sw_interface_t *st, int is_add) @@ -337,6 +340,7 @@ memif_subif_add_del_function (vnet_main_t * vnm, return 0; } +#ifndef CLIB_MULTIARCH_VARIANT /* *INDENT-OFF* */ VNET_DEVICE_CLASS (memif_device_class) = { .name = "memif", @@ -353,8 +357,20 @@ VNET_DEVICE_CLASS (memif_device_class) = { .rx_mode_change_function = memif_interface_rx_mode_change, }; -VLIB_DEVICE_TX_FUNCTION_MULTIARCH(memif_device_class, - memif_interface_tx) +#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 +dpdk_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/plugins/memif/node.c b/src/plugins/memif/node.c index 74b238931ac..1c34922d331 100644 --- a/src/plugins/memif/node.c +++ b/src/plugins/memif/node.c @@ -41,7 +41,7 @@ typedef enum MEMIF_INPUT_N_ERROR, } memif_input_error_t; -static char *memif_input_error_strings[] = { +static __clib_unused char *memif_input_error_strings[] = { #define _(n,s) s, foreach_memif_input_error #undef _ @@ -54,7 +54,7 @@ typedef struct u16 ring; } memif_input_trace_t; -static u8 * +static __clib_unused u8 * format_memif_input_trace (u8 * s, va_list * args) { CLIB_UNUSED (vlib_main_t * vm) = va_arg (*args, vlib_main_t *); @@ -447,9 +447,10 @@ memif_device_input_inline (vlib_main_t * vm, vlib_node_runtime_t * node, return n_rx_packets; } -static uword -memif_input_fn (vlib_main_t * vm, vlib_node_runtime_t * node, - vlib_frame_t * frame) +uword +CLIB_MULTIARCH_FN (memif_input_fn) (vlib_main_t * vm, + vlib_node_runtime_t * node, + vlib_frame_t * frame) { u32 n_rx = 0; memif_main_t *nm = &memif_main; @@ -491,6 +492,7 @@ memif_input_fn (vlib_main_t * vm, vlib_node_runtime_t * node, return n_rx; } +#ifndef CLIB_MULTIARCH_VARIANT /* *INDENT-OFF* */ VLIB_REGISTER_NODE (memif_input_node) = { .function = memif_input_fn, @@ -503,7 +505,21 @@ VLIB_REGISTER_NODE (memif_input_node) = { .error_strings = memif_input_error_strings, }; -VLIB_NODE_FUNCTION_MULTIARCH (memif_input_node, memif_input_fn) +vlib_node_function_t __clib_weak memif_input_avx512; +vlib_node_function_t __clib_weak memif_input_avx2; + +#if __x86_64__ +static void __clib_constructor +memif_input_multiarch_select (void) +{ + if (memif_input_avx512 && clib_cpu_supports_avx512f ()) + memif_input_node.function = memif_input_avx512; + else if (memif_input_avx2 && clib_cpu_supports_avx2 ()) + memif_input_node.function = memif_input_avx2; +} +#endif +#endif + /* *INDENT-ON* */ -- cgit 1.2.3-korg