net/pcap: move OS-dependent code to separate files

[dpdk.git] / drivers / net / pcap / pcap_osdep_freebsd.c

diff --git a/drivers/net/pcap/pcap_osdep_freebsd.c b/drivers/net/pcap/pcap_osdep_freebsd.c
new file mode 100644 (file)
index 0000000..20556b3
--- /dev/null
+++ b/drivers/net/pcap/pcap_osdep_freebsd.c
@@ -0,0 +1,59 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2010-2016 Intel Corporation.
+ * Copyright(c) 2014 6WIND S.A.
+ * All rights reserved.
+ */
+
+#include <net/if.h>
+#include <net/if_dl.h>
+#include <sys/sysctl.h>
+
+#include <rte_malloc.h>
+#include <rte_memcpy.h>
+
+#include "pcap_osdep.h"
+
+int
+osdep_iface_index_get(const char *name)
+{
+       return if_nametoindex(name);
+}
+
+int
+osdep_iface_mac_get(const char *if_name, struct rte_ether_addr *mac)
+{
+       struct if_msghdr *ifm;
+       struct sockaddr_dl *sdl;
+       int mib[6];
+       size_t len = 0;
+       char *buf;
+
+       mib[0] = CTL_NET;
+       mib[1] = AF_ROUTE;
+       mib[2] = 0;
+       mib[3] = AF_LINK;
+       mib[4] = NET_RT_IFLIST;
+       mib[5] = if_nametoindex(if_name);
+
+       if (sysctl(mib, 6, NULL, &len, NULL, 0) < 0)
+               return -1;
+
+       if (len == 0)
+               return -1;
+
+       buf = rte_malloc(NULL, len, 0);
+       if (!buf)
+               return -1;
+
+       if (sysctl(mib, 6, buf, &len, NULL, 0) < 0) {
+               rte_free(buf);
+               return -1;
+       }
+       ifm = (struct if_msghdr *)buf;
+       sdl = (struct sockaddr_dl *)(ifm + 1);
+
+       rte_memcpy(mac->addr_bytes, LLADDR(sdl), RTE_ETHER_ADDR_LEN);
+
+       rte_free(buf);
+       return 0;
+}