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Move local TX queue parameter parser into a common file

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This allows the same implementation to be used for wpa_supplicant as
well.

Signed-off-by: Jouni Malinen <jouni@codeaurora.org>
This commit is contained in:
Subrat Dash 2020-05-21 10:33:39 +05:30 committed by Jouni Malinen
parent 78c1cb8868
commit 411e42673f
4 changed files with 105 additions and 100 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

92
hostapd/config_file.c
View File

@ -943,35 +943,6 @@ static int hostapd_config_bss(struct hostapd_config *conf, const char *ifname)
}
/* convert floats with one decimal place to value*10 int, i.e.,
* "1.5" will return 15 */
static int hostapd_config_read_int10(const char *value)
{
int i, d;
char *pos;
i = atoi(value);
pos = os_strchr(value, '.');
d = 0;
if (pos) {
pos++;
if (*pos >= '0' && *pos <= '9')
d = *pos - '0';
}
return i * 10 + d;
}
static int valid_cw(int cw)
{
return (cw == 1 || cw == 3 || cw == 7 || cw == 15 || cw == 31 ||
cw == 63 || cw == 127 || cw == 255 || cw == 511 || cw == 1023 ||
cw == 2047 || cw == 4095 || cw == 8191 || cw == 16383 ||
cw == 32767);
}
enum {
IEEE80211_TX_QUEUE_DATA0 = 0, /* used for EDCA AC_VO data */
IEEE80211_TX_QUEUE_DATA1 = 1, /* used for EDCA AC_VI data */
@ -979,67 +950,6 @@ enum {
IEEE80211_TX_QUEUE_DATA3 = 3 /* used for EDCA AC_BK data */
};
static int hostapd_config_tx_queue(struct hostapd_config *conf,
const char *name, const char *val)
{
int num;
const char *pos;
struct hostapd_tx_queue_params *queue;
/* skip 'tx_queue_' prefix */
pos = name + 9;
if (os_strncmp(pos, "data", 4) == 0 &&
pos[4] >= '0' && pos[4] <= '9' && pos[5] == '_') {
num = pos[4] - '0';
pos += 6;
} else if (os_strncmp(pos, "after_beacon_", 13) == 0 ||
os_strncmp(pos, "beacon_", 7) == 0) {
wpa_printf(MSG_INFO, "DEPRECATED: '%s' not used", name);
return 0;
} else {
wpa_printf(MSG_ERROR, "Unknown tx_queue name '%s'", pos);
return -1;
}
if (num >= NUM_TX_QUEUES) {
/* for backwards compatibility, do not trigger failure */
wpa_printf(MSG_INFO, "DEPRECATED: '%s' not used", name);
return 0;
}
queue = &conf->tx_queue[num];
if (os_strcmp(pos, "aifs") == 0) {
queue->aifs = atoi(val);
if (queue->aifs < 0 || queue->aifs > 255) {
wpa_printf(MSG_ERROR, "Invalid AIFS value %d",
queue->aifs);
return -1;
}
} else if (os_strcmp(pos, "cwmin") == 0) {
queue->cwmin = atoi(val);
if (!valid_cw(queue->cwmin)) {
wpa_printf(MSG_ERROR, "Invalid cwMin value %d",
queue->cwmin);
return -1;
}
} else if (os_strcmp(pos, "cwmax") == 0) {
queue->cwmax = atoi(val);
if (!valid_cw(queue->cwmax)) {
wpa_printf(MSG_ERROR, "Invalid cwMax value %d",
queue->cwmax);
return -1;
}
} else if (os_strcmp(pos, "burst") == 0) {
queue->burst = hostapd_config_read_int10(val);
} else {
wpa_printf(MSG_ERROR, "Unknown tx_queue field '%s'", pos);
return -1;
}
return 0;
}
#ifdef CONFIG_IEEE80211R_AP
@ -3424,7 +3334,7 @@ static int hostapd_config_fill(struct hostapd_config *conf,
} else if (os_strcmp(buf, "ap_table_expiration_time") == 0) {
conf->ap_table_expiration_time = atoi(pos);
} else if (os_strncmp(buf, "tx_queue_", 9) == 0) {
if (hostapd_config_tx_queue(conf, buf, pos)) {
if (hostapd_config_tx_queue(conf->tx_queue, buf, pos)) {
wpa_printf(MSG_ERROR, "Line %d: invalid TX queue item",
line);
return 1;

9
src/ap/ap_config.h
View File

@ -197,15 +197,6 @@ struct hostapd_radius_attr {
#define NUM_TX_QUEUES 4
struct hostapd_tx_queue_params {
int aifs;
int cwmin;
int cwmax;
int burst; /* maximum burst time in 0.1 ms, i.e., 10 = 1 ms */
};
#define MAX_ROAMING_CONSORTIUM_LEN 15
struct hostapd_roaming_consortium {

92
src/common/ieee802_11_common.c
View File

@ -763,6 +763,98 @@ int hostapd_config_wmm_ac(struct hostapd_wmm_ac_params wmm_ac_params[],
}
/* convert floats with one decimal place to value*10 int, i.e.,
* "1.5" will return 15
*/
static int hostapd_config_read_int10(const char *value)
{
int i, d;
char *pos;
i = atoi(value);
pos = os_strchr(value, '.');
d = 0;
if (pos) {
pos++;
if (*pos >= '0' && *pos <= '9')
d = *pos - '0';
}
return i * 10 + d;
}
static int valid_cw(int cw)
{
return (cw == 1 || cw == 3 || cw == 7 || cw == 15 || cw == 31 ||
cw == 63 || cw == 127 || cw == 255 || cw == 511 || cw == 1023 ||
cw == 2047 || cw == 4095 || cw == 8191 || cw == 16383 ||
cw == 32767);
}
int hostapd_config_tx_queue(struct hostapd_tx_queue_params tx_queue[],
const char *name, const char *val)
{
int num;
const char *pos;
struct hostapd_tx_queue_params *queue;
/* skip 'tx_queue_' prefix */
pos = name + 9;
if (os_strncmp(pos, "data", 4) == 0 &&
pos[4] >= '0' && pos[4] <= '9' && pos[5] == '_') {
num = pos[4] - '0';
pos += 6;
} else if (os_strncmp(pos, "after_beacon_", 13) == 0 ||
os_strncmp(pos, "beacon_", 7) == 0) {
wpa_printf(MSG_INFO, "DEPRECATED: '%s' not used", name);
return 0;
} else {
wpa_printf(MSG_ERROR, "Unknown tx_queue name '%s'", pos);
return -1;
}
if (num >= NUM_TX_QUEUES) {
/* for backwards compatibility, do not trigger failure */
wpa_printf(MSG_INFO, "DEPRECATED: '%s' not used", name);
return 0;
}
queue = &tx_queue[num];
if (os_strcmp(pos, "aifs") == 0) {
queue->aifs = atoi(val);
if (queue->aifs < 0 || queue->aifs > 255) {
wpa_printf(MSG_ERROR, "Invalid AIFS value %d",
queue->aifs);
return -1;
}
} else if (os_strcmp(pos, "cwmin") == 0) {
queue->cwmin = atoi(val);
if (!valid_cw(queue->cwmin)) {
wpa_printf(MSG_ERROR, "Invalid cwMin value %d",
queue->cwmin);
return -1;
}
} else if (os_strcmp(pos, "cwmax") == 0) {
queue->cwmax = atoi(val);
if (!valid_cw(queue->cwmax)) {
wpa_printf(MSG_ERROR, "Invalid cwMax value %d",
queue->cwmax);
return -1;
}
} else if (os_strcmp(pos, "burst") == 0) {
queue->burst = hostapd_config_read_int10(val);
} else {
wpa_printf(MSG_ERROR, "Unknown queue field '%s'", pos);
return -1;
}
return 0;
}
enum hostapd_hw_mode ieee80211_freq_to_chan(int freq, u8 *channel)
{
u8 op_class;

12
src/common/ieee802_11_common.h
View File

@ -192,6 +192,18 @@ struct hostapd_wmm_ac_params {
int hostapd_config_wmm_ac(struct hostapd_wmm_ac_params wmm_ac_params[],
const char *name, const char *val);
struct hostapd_tx_queue_params {
int aifs;
int cwmin;
int cwmax;
int burst; /* maximum burst time in 0.1 ms, i.e., 10 = 1 ms */
};
#define NUM_TX_QUEUES 4
int hostapd_config_tx_queue(struct hostapd_tx_queue_params queue[],
const char *name, const char *val);
enum hostapd_hw_mode ieee80211_freq_to_chan(int freq, u8 *channel);
int ieee80211_chan_to_freq(const char *country, u8 op_class, u8 chan);
enum hostapd_hw_mode ieee80211_freq_to_channel_ext(unsigned int freq,