1 files changed, 0 insertions, 254 deletions
diff --git a/meta-facebook/meta-yosemite/recipes-yosemite/oob-nic/oob-nic/src/intf.c b/meta-facebook/meta-yosemite/recipes-yosemite/oob-nic/oob-nic/src/intf.c
deleted file mode 100644
index 5bf8480..0000000
--- a/meta-facebook/meta-yosemite/recipes-yosemite/oob-nic/oob-nic/src/intf.c
+++ /dev/null
@@ -1,254 +0,0 @@
-/*
- * Copyright 2014-present Facebook. All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-#include "intf.h"
-
-#include <errno.h>
-#include <fcntl.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-#include <sys/ioctl.h>
-#include <sys/stat.h>
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <linux/rtnetlink.h>
-#include <linux/if.h>
-#include <linux/if_tun.h>
-#include <linux/fib_rules.h>
-
-#include "facebook/log.h"
-#include "libnetlink.h"
-#include "ll_map.h"
-
-struct oob_intf_t {
-  char oi_name[32];
-  int oi_fd;
-  int oi_ifidx;
-  uint8_t oi_mac[6];
-  struct rtnl_handle oi_rth;
-};
-
-#define TUN_DEVICE "/dev/net/tun"
-
-static int oob_intf_set_mac(oob_intf *intf, const uint8_t mac[6]) {
-  int rc;
-  struct {
-    struct nlmsghdr n;
-    struct ifinfomsg ifi;
-    char buf[256];
-  } req;
-
-  memset(&req, 0, sizeof(req));
-  req.n.nlmsg_len = NLMSG_LENGTH(sizeof(struct ifinfomsg));
-  req.n.nlmsg_type = RTM_NEWLINK;
-  req.n.nlmsg_flags = NLM_F_REQUEST;
-  req.ifi.ifi_family = AF_UNSPEC;
-  req.ifi.ifi_index = intf->oi_ifidx;
-  memcpy(intf->oi_mac, mac, sizeof(intf->oi_mac));
-  addattr_l(&req.n, sizeof(req), IFLA_ADDRESS,
-            intf->oi_mac, sizeof(intf->oi_mac));
-  rc = rtnl_talk(&intf->oi_rth, &req.n, 0, 0, NULL);
-  if (rc < 0) {
-    rc = errno;
-    LOG_ERR(rc, "Failed to set mac to interface %s @ index %d",
-            intf->oi_name, intf->oi_ifidx);
-    return -rc;
-  }
-
-  LOG_INFO("Set interface %s @ index %d mac to %x:%x:%x:%x:%x:%x",
-           intf->oi_name, intf->oi_ifidx,
-           intf->oi_mac[0], intf->oi_mac[1], intf->oi_mac[2],
-           intf->oi_mac[3], intf->oi_mac[4], intf->oi_mac[5]);
-
-  return 0;
-}
-
-static int oob_intf_bring_up(oob_intf *intf) {
-  int rc;
-  struct {
-    struct nlmsghdr n;
-    struct ifinfomsg ifi;
-    char buf[256];
-  } req;
-
-  memset(&req, 0, sizeof(req));
-  req.n.nlmsg_len = NLMSG_LENGTH(sizeof(struct ifinfomsg));
-  req.n.nlmsg_type = RTM_NEWLINK;
-  req.n.nlmsg_flags = NLM_F_REQUEST;
-  req.ifi.ifi_family = AF_UNSPEC;
-  req.ifi.ifi_change |= IFF_UP;
-  req.ifi.ifi_flags |= IFF_UP;
-  req.ifi.ifi_index = intf->oi_ifidx;
-  rc = rtnl_talk(&intf->oi_rth, &req.n, 0, 0, NULL);
-  if (rc < 0) {
-    rc = errno;
-    LOG_ERR(rc, "Failed to bring up interface %s @ index %d",
-            intf->oi_name, intf->oi_ifidx);
-    return -rc;
-  }
-
-  LOG_INFO("Brought up interface %s @ index %d", intf->oi_name, intf->oi_ifidx);
-
-  return 0;
-}
-
-oob_intf* oob_intf_create(const char *name, const uint8_t mac[6]) {
-
-  int rc;
-  int flags;
-  struct ifreq ifr;
-  oob_intf *intf = NULL;
-
-#define _CHECK_RC(fmt, ...) do {                \
-  if (rc < 0) {                                 \
-    rc = errno;                                 \
-    LOG_ERR(rc, fmt, ##__VA_ARGS__);            \
-    goto err_out;                               \
-  }                                             \
-} while(0)
-
-  intf = malloc(sizeof(*intf));
-  if (!intf) {
-    rc = ENOMEM;
-    LOG_ERR(rc, "Failed to allocate memory for interface");
-    goto err_out;
-  }
-  memset(intf, 0, sizeof(*intf));
-  strncpy(intf->oi_name, name, sizeof(intf->oi_name));
-  intf->oi_name[sizeof(intf->oi_name) - 1] = '\0';
-  intf->oi_fd = -1;
-
-  rc = rtnl_open(&intf->oi_rth, 0);
-  _CHECK_RC("Failed to open rth_handler");
-
-  rc = open(TUN_DEVICE, O_RDWR);
-  _CHECK_RC("Failed to open %s", TUN_DEVICE);
-  intf->oi_fd = rc;
-
-  memset(&ifr, 0, sizeof(ifr));
-  /*
-   * IFF_TAP: TAP interface
-   * IFF_NO_PI: Do not provide pracket information
-   */
-  ifr.ifr_flags = IFF_TAP|IFF_NO_PI;
-  strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name));
-  ifr.ifr_name[sizeof(ifr.ifr_name) - 1] = '\0';
-
-  rc = ioctl(intf->oi_fd, TUNSETIFF, (void *) &ifr);
-  _CHECK_RC("Failed to create tap interface %s", ifr.ifr_name);
-
-  /* make fd non-blocking */
-  rc = fcntl(intf->oi_fd, F_GETFL);
-  _CHECK_RC("Failed to get flags from fd ", intf->oi_fd);
-  flags = rc | O_NONBLOCK;
-  rc = fcntl(intf->oi_fd, F_SETFL, rc);
-  _CHECK_RC("Failed to set non-blocking flags ", flags,
-            " to fd ", intf->oi_fd);
-
-  /* set CLOEXEC */
-  rc = fcntl(intf->oi_fd, F_GETFD);
-  _CHECK_RC("Failed to get flags from fd ", intf->oi_fd);
-  flags = rc | FD_CLOEXEC;
-  rc = fcntl(intf->oi_fd, F_SETFD, flags);
-  _CHECK_RC("Failed to set close-on-exec flags ", flags,
-            " to fd ", intf->oi_fd);
-
-  // TODO: if needed, we can adjust send buffer size, TUNSETSNDBUF
-  intf->oi_ifidx = ll_name_to_index(intf->oi_name);
-
-  /* now set the mac address */
-  oob_intf_set_mac(intf, mac);
-
-#if 0
-  /* make it persistent */
-  rc = ioctl(intf->oi_fd, TUNSETPERSIST, 0);
-  _CHECK_RC("Failed to make the tap interface %s persistent", intf->oi_name);
-#endif
-
-  LOG_INFO("Create/attach to tap interface %s @ fd %d, index %d",
-           intf->oi_name, intf->oi_fd, intf->oi_ifidx);
-
-  //oob_intf_bring_up(intf);
-
-  return intf;
-
- err_out:
-  if (intf) {
-    rtnl_close(&intf->oi_rth);
-    if (intf->oi_fd != -1) {
-      close(intf->oi_fd);
-    }
-    free(intf);
-  }
-
-  return NULL;
-}
-
-int oob_intf_get_fd(const oob_intf *intf) {
-  return intf->oi_fd;
-}
-
-int oob_intf_receive(const oob_intf *intf, char *buf, int len) {
-  int rc;
-  do {
-    rc = read(intf->oi_fd, buf, len);
-  } while (rc == -1 && errno == EINTR);
-  if (rc < 0) {
-    rc = errno;
-    if (rc != EAGAIN) {
-      LOG_ERR(rc, "Failed to read on interface fd %d", intf->oi_fd);
-      return -rc;
-    } else {
-      /* nothing is available */
-      return 0;
-    }
-  } else if (rc == 0) {
-    // Nothing to read. It shall not happen as the fd is non-blocking.
-    // Just add this case to be safe.
-    return 0;
-  } else if (rc > len) {
-    // The pkt is larger than the buffer. We don't have complete packet.
-    // It shall not happen unless the MTU is mis-match. Drop the packet.
-    LOG_ERR(ENOSPC, "Received a too large packet (%d bytes > %d) from the "
-            "tap interface. Drop it...", rc, len);
-    return -ENOSPC;
-  } else {
-    LOG_VER("Recv a packet of %d bytes from %s", rc, intf->oi_name);
-    return rc;
-  }
-}
-
-int oob_intf_send(const oob_intf *intf, const char *buf, int len) {
-  int rc;
-  do {
-    rc = write(intf->oi_fd, buf, len);
-  } while (rc == -1 && errno == EINTR);
-  if (rc < 0) {
-    rc = errno;
-    LOG_ERR(rc, "Failed to send on interface fd %d", intf->oi_fd);
-    return -rc;
-  } else if (rc < len) {
-    LOG_ERR(EIO, "Failed to send the full packet (%d bytes > %d) for fd %d",
-            len, rc, intf->oi_fd);
-    return -EIO;
-  } else {
-    LOG_VER("Sent a packet of %d bytes to %s", rc, intf->oi_name);
-    return rc;
-  }
-}