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-rw-r--r--src/vnet/lisp-cp/packets.c226
1 files changed, 0 insertions, 226 deletions
diff --git a/src/vnet/lisp-cp/packets.c b/src/vnet/lisp-cp/packets.c
deleted file mode 100644
index bbc3ad64572..00000000000
--- a/src/vnet/lisp-cp/packets.c
+++ /dev/null
@@ -1,226 +0,0 @@
-/*
- * Copyright (c) 2016 Cisco and/or its affiliates.
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at:
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include <vnet/lisp-cp/packets.h>
-#include <vnet/lisp-cp/lisp_cp_messages.h>
-#include <vnet/udp/udp_packet.h>
-
-/* Returns IP ID for the packet */
-/* static u16 ip_id = 0;
-static inline u16
-get_IP_ID()
-{
- ip_id++;
- return (ip_id);
-} */
-
-u16
-udp_ip4_checksum (const void *b, u32 len, u8 * src, u8 * dst)
-{
- const u16 *buf = b;
- u16 *ip_src = (u16 *) src;
- u16 *ip_dst = (u16 *) dst;
- u32 length = len;
- u32 sum = 0;
-
- while (len > 1)
- {
- sum += *buf++;
- if (sum & 0x80000000)
- sum = (sum & 0xFFFF) + (sum >> 16);
- len -= 2;
- }
-
- /* Add the padding if the packet length is odd */
- if (len & 1)
- sum += *((u8 *) buf);
-
- /* Add the pseudo-header */
- sum += *(ip_src++);
- sum += *ip_src;
-
- sum += *(ip_dst++);
- sum += *ip_dst;
-
- sum += clib_host_to_net_u16 (IP_PROTOCOL_UDP);
- sum += clib_host_to_net_u16 (length);
-
- /* Add the carries */
- while (sum >> 16)
- sum = (sum & 0xFFFF) + (sum >> 16);
-
- /* Return the one's complement of sum */
- return ((u16) (~sum));
-}
-
-u16
-udp_ip6_checksum (ip6_header_t * ip6, udp_header_t * up, u32 len)
-{
- size_t i;
- register const u16 *sp;
- u32 sum;
- union
- {
- struct
- {
- ip6_address_t ph_src;
- ip6_address_t ph_dst;
- u32 ph_len;
- u8 ph_zero[3];
- u8 ph_nxt;
- } ph;
- u16 pa[20];
- } phu;
-
- /* pseudo-header */
- clib_memset (&phu, 0, sizeof (phu));
- phu.ph.ph_src = ip6->src_address;
- phu.ph.ph_dst = ip6->dst_address;
- phu.ph.ph_len = clib_host_to_net_u32 (len);
- phu.ph.ph_nxt = IP_PROTOCOL_UDP;
-
- sum = 0;
- for (i = 0; i < sizeof (phu.pa) / sizeof (phu.pa[0]); i++)
- sum += phu.pa[i];
-
- sp = (const u16 *) up;
-
- for (i = 0; i < (len & ~1); i += 2)
- sum += *sp++;
-
- if (len & 1)
- sum += clib_host_to_net_u16 ((*(const u8 *) sp) << 8);
-
- while (sum > 0xffff)
- sum = (sum & 0xffff) + (sum >> 16);
- sum = ~sum & 0xffff;
-
- return (sum);
-}
-
-u16
-udp_checksum (udp_header_t * uh, u32 udp_len, void *ih, u8 version)
-{
- switch (version)
- {
- case AF_IP4:
- return (udp_ip4_checksum (uh, udp_len,
- ((ip4_header_t *) ih)->src_address.as_u8,
- ((ip4_header_t *) ih)->dst_address.as_u8));
- case AF_IP6:
- return (udp_ip6_checksum (ih, uh, udp_len));
- default:
- return ~0;
- }
-}
-
-void *
-pkt_push_udp (vlib_main_t * vm, vlib_buffer_t * b, u16 sp, u16 dp)
-{
- udp_header_t *uh;
- u16 udp_len = sizeof (udp_header_t) + vlib_buffer_length_in_chain (vm, b);
-
- uh = vlib_buffer_push_uninit (b, sizeof (*uh));
-
- uh->src_port = clib_host_to_net_u16 (sp);
- uh->dst_port = clib_host_to_net_u16 (dp);
- uh->length = clib_host_to_net_u16 (udp_len);
- uh->checksum = 0;
- return uh;
-}
-
-void *
-pkt_push_ip (vlib_main_t * vm, vlib_buffer_t * b, ip_address_t * src,
- ip_address_t * dst, u32 proto, u8 csum_offload)
-{
- if (ip_addr_version (src) != ip_addr_version (dst))
- {
- clib_warning ("src %U and dst %U IP have different AFI! Discarding!",
- format_ip_address, src, format_ip_address, dst);
- return 0;
- }
-
- switch (ip_addr_version (src))
- {
- case AF_IP4:
- return vlib_buffer_push_ip4 (vm, b, &ip_addr_v4 (src),
- &ip_addr_v4 (dst), proto, csum_offload);
- break;
- case AF_IP6:
- return vlib_buffer_push_ip6 (vm, b, &ip_addr_v6 (src),
- &ip_addr_v6 (dst), proto);
- break;
- }
-
- return 0;
-}
-
-void *
-pkt_push_udp_and_ip (vlib_main_t * vm, vlib_buffer_t * b, u16 sp, u16 dp,
- ip_address_t * sip, ip_address_t * dip, u8 csum_offload)
-{
- u16 udpsum;
- udp_header_t *uh;
- void *ih;
-
- uh = pkt_push_udp (vm, b, sp, dp);
-
- if (csum_offload)
- {
- ih = pkt_push_ip (vm, b, sip, dip, IP_PROTOCOL_UDP, 1);
- b->flags |= VNET_BUFFER_F_OFFLOAD_UDP_CKSUM;
- vnet_buffer (b)->l3_hdr_offset = (u8 *) ih - b->data;
- vnet_buffer (b)->l4_hdr_offset = (u8 *) uh - b->data;
- uh->checksum = 0;
- }
- else
- {
- ih = pkt_push_ip (vm, b, sip, dip, IP_PROTOCOL_UDP, 0);
- udpsum = udp_checksum (uh, clib_net_to_host_u16 (uh->length), ih,
- ip_addr_version (sip));
- if (udpsum == (u16) ~ 0)
- {
- clib_warning ("Failed UDP checksum! Discarding");
- return 0;
- }
- /* clear flags used for csum since we're not offloading */
- b->flags &= ~(VNET_BUFFER_F_IS_IP4 | VNET_BUFFER_F_IS_IP6);
- uh->checksum = udpsum;
- }
- return ih;
-}
-
-void *
-pkt_push_ecm_hdr (vlib_buffer_t * b)
-{
- ecm_hdr_t *h;
- h = vlib_buffer_push_uninit (b, sizeof (h[0]));
-
- clib_memset (h, 0, sizeof (h[0]));
- h->type = LISP_ENCAP_CONTROL_TYPE;
- clib_memset (h->reserved2, 0, sizeof (h->reserved2));
-
- return h;
-}
-
-/* *INDENT-ON* */
-
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables:
- * eval: (c-set-style "gnu")
- * End:
- */