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qsap: Convert SIOCGIWMODE to nl80211 for qsap_get_mode

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Wireless extension is deprecated, hence convert SIOCGIWMODE to nl80211
for qsap_get_mode.

Change-Id: I30c3b4c2859b7c9c621f3f74d51e0e039837dcc9
CRs-Fixed: 2274099
This commit is contained in:
Hu Wang
2018-07-06 15:40:54 +08:00
committed by Gerrit - the friendly Code Review server
parent bfad727b06
commit 76d63aadc7
1 changed files with 65 additions and 26 deletions
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89
softap/sdk/qsap_api.c
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@@ -1304,54 +1304,93 @@ error:
}
static int iftypeCallback(struct nl_msg* msg, void* arg)
{
struct nlmsghdr* ret_hdr = nlmsg_hdr(msg);
struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
int* type = arg;
struct genlmsghdr *gnlh = (struct genlmsghdr*) nlmsg_data(ret_hdr);
nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
genlmsg_attrlen(gnlh, 0), NULL);
if (tb_msg[NL80211_ATTR_IFTYPE]) {
*type = nla_get_u32(tb_msg[NL80211_ATTR_IFTYPE]);
}
return NL_SKIP;
}
/**
* Get the mode of operation.
*/
int qsap_get_mode(s32 *pmode)
{
int sock;
struct iwreq wrq;
int ret = eERR_UNKNOWN;
struct nl_sock* sk = NULL;
int nl80211_id = -1;
int if_type = -1;
s8 interface[MAX_CONF_LINE_LEN];
u32 len = MAX_CONF_LINE_LEN;
s8 *pif;
int ret;
sap_auto_channel_info sap_autochan_info;
s32 *pchan;
struct nl_msg* msg = NULL;
*pmode = -1;
//get interface name
if(NULL == (pif = qsap_get_config_value(pconffile,
&qsap_str[STR_INTERFACE], interface, &len))) {
ALOGD("%s :interface error \n", __func__);
goto error;
goto nla_put_failure;
}
interface[len] = '\0';
sock = socket(AF_INET, SOCK_DGRAM, 0);
if(sock < 0) {
ALOGD("%s :socket error \n", __func__);
goto error;
//allocate socket
sk = nl_socket_alloc();
//connect to generic netlink
if (genl_connect(sk)) {
ALOGE( "Netlink socket Connection failure");
ret = eERR_UNKNOWN;
goto nla_put_failure;
}
memset(&wrq, 0, sizeof(wrq));
strlcpy(wrq.ifr_name, pif, sizeof(wrq.ifr_name));
//find the nl80211 driver ID
nl80211_id = genl_ctrl_resolve(sk, "nl80211");
ret = ioctl(sock, SIOCGIWMODE, &wrq);
//attach a callback
nl_socket_modify_cb(sk, NL_CB_VALID, NL_CB_CUSTOM,
iftypeCallback, &if_type);
//allocate a message
msg = nlmsg_alloc();
// setup the message
genlmsg_put(msg, 0, 0, nl80211_id, 0, 0, NL80211_CMD_GET_INTERFACE, 0);
//add message attributes
NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(pif));
// Send the message
ret = nl_send_auto_complete(sk, msg);
if (ret < 0 ) {
ALOGE("%s: ioctl failure \n",__func__);
close(sock);
goto error;
ALOGE( "nl_send_auto_complete failure");
ret = eERR_UNKNOWN;
goto nla_put_failure;
}
*pmode = *(s32 *)(&wrq.u.mode);
ALOGE("%s: ioctl Get Mode = %d \n",__func__, (int)*pmode);
close(sock);
return eSUCCESS;
//block for message to return
nl_recvmsgs_default(sk);
*pmode = if_type;
ALOGI("%s: (%s) NL80211 Get Mode = %d \n",__func__, pif, (int)*pmode);
ret = eSUCCESS;
error:
*pmode = -1;
ALOGE("%s: (Failure) ioctl Get Mode = %d \n",__func__, (int)*pmode);
return eERR_UNKNOWN;
nla_put_failure:
if (sk)
nl_socket_free(sk);
if (msg)
nlmsg_free(msg);
return ret;
}
/**