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authorDave Barach <dave@barachs.net>2018-11-13 16:34:13 -0500
committerFlorin Coras <florin.coras@gmail.com>2018-11-14 15:54:01 +0000
commit178cf493d009995b28fdf220f04c98860ff79a9b (patch)
tree097c1be82b8f6fa9bc04b9b1e193158e2e4997eb /src/vnet/ethernet
parent6917b94f2146aa51195a6a2a1ccd8416a1d74bf3 (diff)
Remove c-11 memcpy checks from perf-critical code
Change-Id: Id4f37f5d4a03160572954a416efa1ef9b3d79ad1 Signed-off-by: Dave Barach <dave@barachs.net>
Diffstat (limited to 'src/vnet/ethernet')
-rw-r--r--src/vnet/ethernet/arp.c46
-rw-r--r--src/vnet/ethernet/ethernet_types_api.c2
2 files changed, 25 insertions, 23 deletions
diff --git a/src/vnet/ethernet/arp.c b/src/vnet/ethernet/arp.c
index b6b7aba731d..549e05d889c 100644
--- a/src/vnet/ethernet/arp.c
+++ b/src/vnet/ethernet/arp.c
@@ -358,8 +358,9 @@ arp_nbr_probe (ip_adjacency_t * adj)
hi = vnet_get_sup_hw_interface (vnm, adj->rewrite_header.sw_if_index);
- clib_memcpy (h->ip4_over_ethernet[0].ethernet,
- hi->hw_address, sizeof (h->ip4_over_ethernet[0].ethernet));
+ clib_memcpy_fast (h->ip4_over_ethernet[0].ethernet,
+ hi->hw_address,
+ sizeof (h->ip4_over_ethernet[0].ethernet));
h->ip4_over_ethernet[0].ip4 = src[0];
h->ip4_over_ethernet[1].ip4 = adj->sub_type.nbr.next_hop.ip4;
@@ -674,8 +675,8 @@ vnet_arp_set_ip4_over_ethernet_internal (vnet_main_t * vnm,
e->sw_if_index = sw_if_index;
e->ip4_address = a->ip4;
e->fib_entry_index = FIB_NODE_INDEX_INVALID;
- clib_memcpy (e->ethernet_address,
- a->ethernet, sizeof (e->ethernet_address));
+ clib_memcpy_fast (e->ethernet_address,
+ a->ethernet, sizeof (e->ethernet_address));
if (!is_no_fib_entry)
{
@@ -702,8 +703,8 @@ vnet_arp_set_ip4_over_ethernet_internal (vnet_main_t * vnm,
}
/* Update ethernet address. */
- clib_memcpy (e->ethernet_address, a->ethernet,
- sizeof (e->ethernet_address));
+ clib_memcpy_fast (e->ethernet_address, a->ethernet,
+ sizeof (e->ethernet_address));
}
/* Update time stamp and flags. */
@@ -1238,8 +1239,8 @@ arp_input (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * frame)
arp0->ip4_over_ethernet[1] = arp0->ip4_over_ethernet[0];
- clib_memcpy (arp0->ip4_over_ethernet[0].ethernet,
- hw_if0->hw_address, 6);
+ clib_memcpy_fast (arp0->ip4_over_ethernet[0].ethernet,
+ hw_if0->hw_address, 6);
clib_mem_unaligned (&arp0->ip4_over_ethernet[0].ip4.data_u32, u32) =
if_addr0->data_u32;
@@ -1249,7 +1250,7 @@ arp_input (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * frame)
/* the rx nd tx ethernet headers wil overlap in the case
* when we received a tagged VLAN=0 packet, but we are sending
* back untagged */
- clib_memcpy (eth_tx, rewrite0, vec_len (rewrite0));
+ clib_memcpy_fast (eth_tx, rewrite0, vec_len (rewrite0));
vec_free (rewrite0);
if (NULL == pa)
@@ -1557,7 +1558,7 @@ vnet_arp_unset_ip4_over_ethernet (vnet_main_t * vnm,
args.sw_if_index = sw_if_index;
args.flags = ETHERNET_ARP_ARGS_REMOVE;
- clib_memcpy (&args.a, a, sizeof (*a));
+ clib_memcpy_fast (&args.a, a, sizeof (*a));
vl_api_rpc_call_main_thread (set_ip4_over_ethernet_rpc_callback,
(u8 *) & args, sizeof (args));
@@ -1706,7 +1707,7 @@ arp_add_del_interface_address (ip4_main_t * im,
.sw_if_index = e->sw_if_index,
.flags = ETHERNET_ARP_ARGS_FLUSH,
};
- clib_memcpy (&delme.a.ethernet, e->ethernet_address, 6);
+ clib_memcpy_fast (&delme.a.ethernet, e->ethernet_address, 6);
vnet_arp_flush_ip4_over_ethernet_internal (vnet_get_main (),
&delme);
@@ -1915,7 +1916,7 @@ ethernet_arp_sw_interface_up_down (vnet_main_t * vnm,
.sw_if_index = e->sw_if_index,
};
- clib_memcpy (&update_me.a.ethernet, e->ethernet_address, 6);
+ clib_memcpy_fast (&update_me.a.ethernet, e->ethernet_address, 6);
if (flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP)
{
@@ -1970,7 +1971,7 @@ vnet_arp_set_ip4_over_ethernet (vnet_main_t * vnm,
args.is_static = is_static;
args.is_no_fib_entry = is_no_fib_entry;
args.flags = 0;
- clib_memcpy (&args.a, a, sizeof (*a));
+ clib_memcpy_fast (&args.a, a, sizeof (*a));
vl_api_rpc_call_main_thread (set_ip4_over_ethernet_rpc_callback,
(u8 *) & args, sizeof (args));
@@ -2344,7 +2345,8 @@ arp_term_l2bd (vlib_main_t * vm,
{
u8 *t0 = vlib_add_trace (vm, node, p0,
sizeof (ethernet_arp_input_trace_t));
- clib_memcpy (t0, l3h0, sizeof (ethernet_arp_input_trace_t));
+ clib_memcpy_fast (t0, l3h0,
+ sizeof (ethernet_arp_input_trace_t));
}
error0 = 0;
@@ -2410,9 +2412,9 @@ arp_term_l2bd (vlib_main_t * vm,
arp0->opcode = clib_host_to_net_u16 (ETHERNET_ARP_OPCODE_reply);
arp0->ip4_over_ethernet[1] = arp0->ip4_over_ethernet[0];
arp0->ip4_over_ethernet[0].ip4.as_u32 = ip0;
- clib_memcpy (arp0->ip4_over_ethernet[0].ethernet, macp0, 6);
- clib_memcpy (eth0->dst_address, eth0->src_address, 6);
- clib_memcpy (eth0->src_address, macp0, 6);
+ clib_memcpy_fast (arp0->ip4_over_ethernet[0].ethernet, macp0, 6);
+ clib_memcpy_fast (eth0->dst_address, eth0->src_address, 6);
+ clib_memcpy_fast (eth0->src_address, macp0, 6);
n_replies_sent += 1;
output_response:
@@ -2577,10 +2579,10 @@ send_ip4_garp_w_addr (vlib_main_t * vm,
if (!h)
return;
- clib_memcpy (h->ip4_over_ethernet[0].ethernet, hi->hw_address,
- sizeof (h->ip4_over_ethernet[0].ethernet));
- clib_memcpy (h->ip4_over_ethernet[1].ethernet, hi->hw_address,
- sizeof (h->ip4_over_ethernet[1].ethernet));
+ clib_memcpy_fast (h->ip4_over_ethernet[0].ethernet, hi->hw_address,
+ sizeof (h->ip4_over_ethernet[0].ethernet));
+ clib_memcpy_fast (h->ip4_over_ethernet[1].ethernet, hi->hw_address,
+ sizeof (h->ip4_over_ethernet[1].ethernet));
h->ip4_over_ethernet[0].ip4 = ip4_addr[0];
h->ip4_over_ethernet[1].ip4 = ip4_addr[0];
@@ -2592,7 +2594,7 @@ send_ip4_garp_w_addr (vlib_main_t * vm,
rewrite_len = vec_len (rewrite);
vlib_buffer_advance (b, -rewrite_len);
ethernet_header_t *e = vlib_buffer_get_current (b);
- clib_memcpy (e->dst_address, rewrite, rewrite_len);
+ clib_memcpy_fast (e->dst_address, rewrite, rewrite_len);
vec_free (rewrite);
/* Send GARP packet out the specified interface */
diff --git a/src/vnet/ethernet/ethernet_types_api.c b/src/vnet/ethernet/ethernet_types_api.c
index 67e6231cfc8..4b84d386e4e 100644
--- a/src/vnet/ethernet/ethernet_types_api.c
+++ b/src/vnet/ethernet/ethernet_types_api.c
@@ -38,7 +38,7 @@ mac_address_decode (const vl_api_mac_address_t * in, mac_address_t * out)
void
mac_address_encode (const mac_address_t * in, vl_api_mac_address_t * out)
{
- clib_memcpy (out->bytes, in->bytes, 6);
+ clib_memcpy_fast (out->bytes, in->bytes, 6);
}
/*