diff options
| author |   Dave Barach <dave@barachs.net> | 2018-11-13 16:34:13 -0500 |
|---|---|---|
| committer |   Florin Coras <florin.coras@gmail.com> | 2018-11-14 15:54:01 +0000 |
| commit | 178cf493d009995b28fdf220f04c98860ff79a9b (patch) | |
| tree | 097c1be82b8f6fa9bc04b9b1e193158e2e4997eb /src/vnet/unix/tuntap.c | |
| parent | 6917b94f2146aa51195a6a2a1ccd8416a1d74bf3 (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/unix/tuntap.c')
| -rw-r--r-- | src/vnet/unix/tuntap.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/src/vnet/unix/tuntap.c b/src/vnet/unix/tuntap.c index d663d9698a0..e002a248ce4 100644 --- a/src/vnet/unix/tuntap.c +++ b/src/vnet/unix/tuntap.c @@ -166,7 +166,8 @@ tuntap_tx (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * frame) if (tm->is_ether && (!tm->have_normal_interface)) { vlib_buffer_reset (b); - clib_memcpy (vlib_buffer_get_current (b), tm->ether_dst_mac, 6); + clib_memcpy_fast (vlib_buffer_get_current (b), tm->ether_dst_mac, + 6); } /* Re-set iovecs if present. */ @@ -626,7 +627,7 @@ tuntap_config (vlib_main_t * vm, unformat_input_t * input) goto done; } else - clib_memcpy (tm->ether_dst_mac, ifr.ifr_hwaddr.sa_data, 6); + clib_memcpy_fast (tm->ether_dst_mac, ifr.ifr_hwaddr.sa_data, 6); } if (have_normal_interface) @@ -721,7 +722,7 @@ tuntap_ip4_add_del_interface_address (ip4_main_t * im, /** See if we already know about this subif */ clib_memset (&subif_addr, 0, sizeof (subif_addr)); subif_addr.sw_if_index = sw_if_index; - clib_memcpy (&subif_addr.addr, address, sizeof (*address)); + clib_memcpy_fast (&subif_addr.addr, address, sizeof (*address)); p = mhash_get (&tm->subif_mhash, &subif_addr); @@ -753,7 +754,7 @@ tuntap_ip4_add_del_interface_address (ip4_main_t * im, /* Set ipv4 address, netmask. */ sin->sin_family = AF_INET; - clib_memcpy (&sin->sin_addr.s_addr, address, 4); + clib_memcpy_fast (&sin->sin_addr.s_addr, address, 4); if (ioctl (tm->dev_tap_fd, SIOCSIFADDR, &ifr) < 0) clib_unix_warning ("ioctl SIOCSIFADDR"); @@ -838,7 +839,7 @@ tuntap_ip6_add_del_interface_address (ip6_main_t * im, clib_memset (&subif_addr, 0, sizeof (subif_addr)); subif_addr.sw_if_index = sw_if_index; subif_addr.is_v6 = 1; - clib_memcpy (&subif_addr.addr, address, sizeof (*address)); + clib_memcpy_fast (&subif_addr.addr, address, sizeof (*address)); p = mhash_get (&tm->subif_mhash, &subif_addr); @@ -874,7 +875,7 @@ tuntap_ip6_add_del_interface_address (ip6_main_t * im, ifr6.ifr6_ifindex = ifr.ifr_ifindex; ifr6.ifr6_prefixlen = address_length; - clib_memcpy (&ifr6.ifr6_addr, address, 16); + clib_memcpy_fast (&ifr6.ifr6_addr, address, 16); if (ioctl (sockfd, SIOCSIFADDR, &ifr6) < 0) clib_unix_warning ("set address"); @@ -893,7 +894,7 @@ tuntap_ip6_add_del_interface_address (ip6_main_t * im, ifr6.ifr6_ifindex = ifr.ifr_ifindex; ifr6.ifr6_prefixlen = address_length; - clib_memcpy (&ifr6.ifr6_addr, address, 16); + clib_memcpy_fast (&ifr6.ifr6_addr, address, 16); if (ioctl (sockfd, SIOCDIFADDR, &ifr6) < 0) clib_unix_warning ("del address"); |