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authorPatrice Buriez <patrice.buriez@intel.com>2017-10-25 20:30:34 +0200
committerPatrice Buriez <patrice.buriez@intel.com>2017-10-25 20:30:34 +0200
commitf6abc2e6a02557e82ad0d1e5440653bb8884ecc8 (patch)
treeae36de03e9553cd55300771271576369c7484f9e /VNFs/DPPD-PROX/arp.h
parent504e70cbb19a3e65b1704ee085cd079d26cf16f8 (diff)
Merge changes from PROX-v041
Change-Id: Ie6d4e7ce22c27967117a446626f5923643397812 Signed-off-by: Patrice Buriez <patrice.buriez@intel.com>
Diffstat (limited to 'VNFs/DPPD-PROX/arp.h')
-rw-r--r--VNFs/DPPD-PROX/arp.h29
1 files changed, 28 insertions, 1 deletions
diff --git a/VNFs/DPPD-PROX/arp.h b/VNFs/DPPD-PROX/arp.h
index 279bdad..488008d 100644
--- a/VNFs/DPPD-PROX/arp.h
+++ b/VNFs/DPPD-PROX/arp.h
@@ -18,6 +18,8 @@
#define _ARP_H_
#include <rte_ether.h>
+#include "etypes.h"
+#include "mbuf_utils.h"
#define ARP_REQUEST 0x100
#define ARP_REPLY 0x200
@@ -49,10 +51,13 @@ static int arp_is_gratuitous(struct ether_hdr_arp *hdr)
return hdr->arp.data.spa == hdr->arp.data.tpa;
}
-static inline void prepare_arp_reply(struct ether_hdr_arp *hdr_arp, struct ether_addr *s_addr)
+static inline void build_arp_reply(struct ether_hdr_arp *hdr_arp, struct ether_addr *s_addr)
{
uint32_t ip_source = hdr_arp->arp.data.spa;
+ memcpy(hdr_arp->ether_hdr.d_addr.addr_bytes, hdr_arp->ether_hdr.s_addr.addr_bytes, sizeof(struct ether_addr));
+ memcpy(hdr_arp->ether_hdr.s_addr.addr_bytes, s_addr, sizeof(struct ether_addr));
+
hdr_arp->arp.data.spa = hdr_arp->arp.data.tpa;
hdr_arp->arp.data.tpa = ip_source;
hdr_arp->arp.oper = 0x200;
@@ -60,6 +65,28 @@ static inline void prepare_arp_reply(struct ether_hdr_arp *hdr_arp, struct ether
memcpy(&hdr_arp->arp.data.sha, s_addr, sizeof(struct ether_addr));
}
+static inline void build_arp_request(struct rte_mbuf *mbuf, struct ether_addr *src_mac, uint32_t ip_dst, uint32_t ip_src)
+{
+ struct ether_hdr_arp *hdr_arp = rte_pktmbuf_mtod(mbuf, struct ether_hdr_arp *);
+ uint64_t mac_bcast = 0xFFFFFFFFFFFF;
+ rte_pktmbuf_pkt_len(mbuf) = 42;
+ rte_pktmbuf_data_len(mbuf) = 42;
+ init_mbuf_seg(mbuf);
+
+ memcpy(&hdr_arp->ether_hdr.d_addr.addr_bytes, &mac_bcast, 6);
+ memcpy(&hdr_arp->ether_hdr.s_addr.addr_bytes, src_mac, 6);
+ hdr_arp->ether_hdr.ether_type = ETYPE_ARP;
+ hdr_arp->arp.htype = 0x100,
+ hdr_arp->arp.ptype = 0x0008;
+ hdr_arp->arp.hlen = 6;
+ hdr_arp->arp.plen = 4;
+ hdr_arp->arp.oper = 0x100;
+ hdr_arp->arp.data.spa = ip_src;
+ hdr_arp->arp.data.tpa = ip_dst;
+ memset(&hdr_arp->arp.data.tha, 0, sizeof(struct ether_addr));
+ memcpy(&hdr_arp->arp.data.sha, src_mac, sizeof(struct ether_addr));
+}
+
static void create_mac(struct ether_hdr_arp *hdr, struct ether_addr *addr)
{
addr->addr_bytes[0] = 0x2;