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nl80211: Replace WEXT code for RTS/fragmentation threshold

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nl80211 has new attributes for setting RTS and fragmentation threshold
values. Use these instead of the old WEXT ioctls.
This commit is contained in:
Jouni Malinen 2009-04-21 18:11:07 +03:00 committed by Jouni Malinen
parent 30985b8600
commit ad6494515e
1 changed files with 44 additions and 28 deletions
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68
src/drivers/driver_nl80211.c
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@ -3393,47 +3393,63 @@ static int i802_set_freq(void *priv, struct hostapd_freq_params *freq)
static int i802_set_rts(void *priv, int rts)
{
#ifdef NO_WEXT
return -1;
#else /* NO_WEXT */
struct wpa_driver_nl80211_data *drv = priv;
struct iwreq iwr;
struct nl_msg *msg;
int ret = -ENOBUFS;
u32 val;
memset(&iwr, 0, sizeof(iwr));
os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
iwr.u.rts.value = rts;
iwr.u.rts.fixed = 1;
msg = nlmsg_alloc();
if (!msg)
return -ENOMEM;
if (ioctl(drv->ioctl_sock, SIOCSIWRTS, &iwr) < 0) {
perror("ioctl[SIOCSIWRTS]");
return -1;
}
if (rts >= 2347)
val = (u32) -1;
else
val = rts;
genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0,
0, NL80211_CMD_SET_WIPHY, 0);
NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_RTS_THRESHOLD, val);
ret = send_and_recv_msgs(drv, msg, NULL, NULL);
if (!ret)
return 0;
#endif /* NO_WEXT */
nla_put_failure:
wpa_printf(MSG_DEBUG, "nl80211: Failed to set RTS threshold %d: "
"%d (%s)", rts, ret, strerror(-ret));
return ret;
}
static int i802_set_frag(void *priv, int frag)
{
#ifdef NO_WEXT
return -1;
#else /* NO_WEXT */
struct wpa_driver_nl80211_data *drv = priv;
struct iwreq iwr;
struct nl_msg *msg;
int ret = -ENOBUFS;
u32 val;
memset(&iwr, 0, sizeof(iwr));
os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
iwr.u.frag.value = frag;
iwr.u.frag.fixed = 1;
msg = nlmsg_alloc();
if (!msg)
return -ENOMEM;
if (ioctl(drv->ioctl_sock, SIOCSIWFRAG, &iwr) < 0) {
perror("ioctl[SIOCSIWFRAG]");
return -1;
}
if (frag >= 2346)
val = (u32) -1;
else
val = frag;
genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0,
0, NL80211_CMD_SET_WIPHY, 0);
NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FRAG_THRESHOLD, val);
ret = send_and_recv_msgs(drv, msg, NULL, NULL);
if (!ret)
return 0;
#endif /* NO_WEXT */
nla_put_failure:
wpa_printf(MSG_DEBUG, "nl80211: Failed to set fragmentation threshold "
"%d: %d (%s)", frag, ret, strerror(-ret));
return ret;
}