From 178cf493d009995b28fdf220f04c98860ff79a9b Mon Sep 17 00:00:00 2001 From: Dave Barach Date: Tue, 13 Nov 2018 16:34:13 -0500 Subject: Remove c-11 memcpy checks from perf-critical code Change-Id: Id4f37f5d4a03160572954a416efa1ef9b3d79ad1 Signed-off-by: Dave Barach --- src/vnet/pg/input.c | 29 ++++++++++++++++------------- 1 file changed, 16 insertions(+), 13 deletions(-) (limited to 'src/vnet/pg/input.c') diff --git a/src/vnet/pg/input.c b/src/vnet/pg/input.c index 82c6c81cf18..8b46688929f 100644 --- a/src/vnet/pg/input.c +++ b/src/vnet/pg/input.c @@ -1091,7 +1091,7 @@ init_replay_buffers_inline (vlib_main_t * vm, b0->current_length = n0; - clib_memcpy (b0->data, d0 + data_offset, n0); + clib_memcpy_fast (b0->data, d0 + data_offset, n0); i = i + 1 == l ? 0 : i + 1; } } @@ -1148,8 +1148,8 @@ init_buffers_inline (vlib_main_t * vm, if (set_data) { - clib_memcpy (b0->data, data, n_data); - clib_memcpy (b1->data, data, n_data); + clib_memcpy_fast (b0->data, data, n_data); + clib_memcpy_fast (b1->data, data, n_data); } else { @@ -1173,7 +1173,7 @@ init_buffers_inline (vlib_main_t * vm, vnet_buffer (b0)->sw_if_index[VLIB_TX] = (u32) ~ 0; if (set_data) - clib_memcpy (b0->data, data, n_data); + clib_memcpy_fast (b0->data, data, n_data); else ASSERT (validate_buffer_data2 (b0, s, data_offset, n_data)); } @@ -1424,13 +1424,15 @@ pg_input_trace (pg_main_t * pg, t0->sw_if_index = vnet_buffer (b0)->sw_if_index[VLIB_RX]; t1->sw_if_index = vnet_buffer (b1)->sw_if_index[VLIB_RX]; - clib_memcpy (&t0->buffer, b0, sizeof (b0[0]) - sizeof (b0->pre_data)); - clib_memcpy (&t1->buffer, b1, sizeof (b1[0]) - sizeof (b1->pre_data)); + clib_memcpy_fast (&t0->buffer, b0, + sizeof (b0[0]) - sizeof (b0->pre_data)); + clib_memcpy_fast (&t1->buffer, b1, + sizeof (b1[0]) - sizeof (b1->pre_data)); - clib_memcpy (t0->buffer.pre_data, b0->data, - sizeof (t0->buffer.pre_data)); - clib_memcpy (t1->buffer.pre_data, b1->data, - sizeof (t1->buffer.pre_data)); + clib_memcpy_fast (t0->buffer.pre_data, b0->data, + sizeof (t0->buffer.pre_data)); + clib_memcpy_fast (t1->buffer.pre_data, b1->data, + sizeof (t1->buffer.pre_data)); } while (n_left >= 1) @@ -1451,9 +1453,10 @@ pg_input_trace (pg_main_t * pg, t0->stream_index = stream_index; t0->packet_length = vlib_buffer_length_in_chain (vm, b0); t0->sw_if_index = vnet_buffer (b0)->sw_if_index[VLIB_RX]; - clib_memcpy (&t0->buffer, b0, sizeof (b0[0]) - sizeof (b0->pre_data)); - clib_memcpy (t0->buffer.pre_data, b0->data, - sizeof (t0->buffer.pre_data)); + clib_memcpy_fast (&t0->buffer, b0, + sizeof (b0[0]) - sizeof (b0->pre_data)); + clib_memcpy_fast (t0->buffer.pre_data, b0->data, + sizeof (t0->buffer.pre_data)); } } -- cgit 1.2.3-korg