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P2P: Add option for disabling intra BSS distribution 

p2p_intra_bss configuration parameter can now be used to
disable/enable intra BSS distribution (bridging of frames between
the clients in a group).
This commit is contained in:
Sudhakar Swaminathan 2010-09-08 21:18:10 +03:00 committed by Jouni Malinen
parent 0d0a8ca1cc
commit 0f66abd25b
12 changed files with 57 additions and 2 deletions
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5
src/drivers/driver.h
View File

@ -1893,6 +1893,11 @@ struct wpa_driver_ops {
* Returns: 0 on success or -1 on failure
*/
int (*ampdu)(void *priv, int ampdu);
/**
* set_intra_bss - Enables/Disables intra BSS bridging
*/
int (*set_intra_bss)(void *priv, int enabled);
};

3
src/drivers/driver_ndis.c
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@ -3308,5 +3308,6 @@ const struct wpa_driver_ops wpa_driver_ndis_ops = {
NULL /* get_noa */,
NULL /* set_noa */,
NULL /* set_p2p_powersave */,
NULL /* ampdu */
NULL /* ampdu */,
NULL /* set_intra_bss */
};

8
src/p2p/p2p.c
View File

@ -3031,3 +3031,11 @@ int p2p_get_oper_freq(struct p2p_data *p2p, const u8 *iface_addr)
return -1;
return dev->oper_freq;
}
void p2p_set_intra_bss_dist(struct p2p_data *p2p, int enabled)
{
wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Intra BSS distribution %s",
enabled ? "enabled" : "disabled");
p2p->cfg->p2p_intra_bss = enabled;
}

12
src/p2p/p2p.h
View File

@ -222,6 +222,11 @@ struct p2p_config {
*/
size_t max_peers;
/**
* p2p_intra_bss - Intra BSS communication is supported
*/
int p2p_intra_bss;
/**
* ssid_postfix - Postfix data to add to the SSID
*
@ -1243,4 +1248,11 @@ int p2p_get_oper_freq(struct p2p_data *p2p, const u8 *iface_addr);
int p2p_add_device(struct p2p_data *p2p, const u8 *addr, int freq, int level,
const u8 *ies, size_t ies_len);
/**
* p2p_set_intra_bss_dist - Set intra BSS distribution
* @p2p: P2P module context from p2p_init()
* @enabled: Whether intra BSS distribution will be enabled
*/
void p2p_set_intra_bss_dist(struct p2p_data *p2p, int enabled);
#endif /* P2P_H */

6
src/p2p/p2p_go_neg.c
View File

@ -160,6 +160,8 @@ static struct wpabuf * p2p_build_go_neg_req(struct p2p_data *p2p,
group_capab |= P2P_GROUP_CAPAB_PERSISTENT_GROUP;
if (p2p->cross_connect)
group_capab |= P2P_GROUP_CAPAB_CROSS_CONN;
if (p2p->cfg->p2p_intra_bss)
group_capab |= P2P_GROUP_CAPAB_INTRA_BSS_DIST;
p2p_buf_add_capability(buf, p2p->dev_capab, group_capab);
p2p_buf_add_go_intent(buf, (p2p->go_intent << 1) |
p2p->next_tie_breaker);
@ -249,6 +251,8 @@ static struct wpabuf * p2p_build_go_neg_resp(struct p2p_data *p2p,
group_capab |= P2P_GROUP_CAPAB_PERSISTENT_GROUP;
if (p2p->cross_connect)
group_capab |= P2P_GROUP_CAPAB_CROSS_CONN;
if (p2p->cfg->p2p_intra_bss)
group_capab |= P2P_GROUP_CAPAB_INTRA_BSS_DIST;
}
p2p_buf_add_capability(buf, p2p->dev_capab, group_capab);
p2p_buf_add_go_intent(buf, (p2p->go_intent << 1) | tie_breaker);
@ -650,6 +654,8 @@ static struct wpabuf * p2p_build_go_neg_conf(struct p2p_data *p2p,
group_capab |= P2P_GROUP_CAPAB_PERSISTENT_GROUP;
if (p2p->cross_connect)
group_capab |= P2P_GROUP_CAPAB_CROSS_CONN;
if (p2p->cfg->p2p_intra_bss)
group_capab |= P2P_GROUP_CAPAB_INTRA_BSS_DIST;
}
p2p_buf_add_capability(buf, p2p->dev_capab, group_capab);
if (go || resp_chan == NULL)

3
src/p2p/p2p_group.c
View File

@ -144,7 +144,8 @@ static void p2p_group_add_common_ies(struct p2p_group *group,
group_capab |= P2P_GROUP_CAPAB_GROUP_OWNER;
if (group->cfg->persistent_group)
group_capab |= P2P_GROUP_CAPAB_PERSISTENT_GROUP;
group_capab |= P2P_GROUP_CAPAB_INTRA_BSS_DIST;
if (group->p2p->cfg->p2p_intra_bss)
group_capab |= P2P_GROUP_CAPAB_INTRA_BSS_DIST;
if (group->group_formation)
group_capab |= P2P_GROUP_CAPAB_GROUP_FORMATION;
if (group->p2p->cross_connect)

1
wpa_supplicant/ap.c
View File

@ -302,6 +302,7 @@ int wpa_supplicant_create_ap(struct wpa_supplicant *wpa_s,
if (ssid->mode == WPAS_MODE_P2P_GO ||
ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION)
params.p2p = 1;
wpa_drv_set_intra_bss(wpa_s, wpa_s->conf->p2p_intra_bss);
#endif /* CONFIG_P2P */
if (wpa_s->parent->set_ap_uapsd)

2
wpa_supplicant/config.c
View File

@ -2144,6 +2144,7 @@ struct wpa_config * wpa_config_alloc_empty(const char *ctrl_interface,
config->ap_scan = DEFAULT_AP_SCAN;
config->fast_reauth = DEFAULT_FAST_REAUTH;
config->p2p_go_intent = DEFAULT_P2P_GO_INTENT;
config->p2p_intra_bss = DEFAULT_P2P_INTRA_BSS;
config->bss_max_count = DEFAULT_BSS_MAX_COUNT;
if (ctrl_interface)
@ -2400,6 +2401,7 @@ static const struct global_parse_data global_fields[] = {
{ INT_RANGE(p2p_go_intent, 0, 15), 0 },
{ STR(p2p_ssid_postfix), CFG_CHANGED_P2P_SSID_POSTFIX },
{ INT_RANGE(persistent_reconnect, 0, 1), 0 },
{ INT_RANGE(p2p_intra_bss, 0, 1), CFG_CHANGED_P2P_INTRA_BSS },
#endif /* CONFIG_P2P */
{ FUNC(country), CFG_CHANGED_COUNTRY },
{ INT(bss_max_count), 0 },

3
wpa_supplicant/config.h
View File

@ -23,6 +23,7 @@
#endif /* CONFIG_NO_SCAN_PROCESSING */
#define DEFAULT_FAST_REAUTH 1
#define DEFAULT_P2P_GO_INTENT 7
#define DEFAULT_P2P_INTRA_BSS 1
#define DEFAULT_BSS_MAX_COUNT 200
#include "config_ssid.h"
@ -37,6 +38,7 @@
#define CFG_CHANGED_SEC_DEVICE_TYPE BIT(6)
#define CFG_CHANGED_P2P_SSID_POSTFIX BIT(7)
#define CFG_CHANGED_WPS_STRING BIT(8)
#define CFG_CHANGED_P2P_INTRA_BSS BIT(9)
/**
* struct wpa_config - wpa_supplicant configuration data
@ -361,6 +363,7 @@ struct wpa_config {
int p2p_go_intent;
char *p2p_ssid_postfix;
int persistent_reconnect;
int p2p_intra_bss;
/**
* bss_max_count - Maximum number of BSS entries to keep in memory

3
wpa_supplicant/config_file.c
View File

@ -673,6 +673,9 @@ static void wpa_config_write_global(FILE *f, struct wpa_config *config)
if (config->persistent_reconnect)
fprintf(f, "persistent_reconnect=%u\n",
config->persistent_reconnect);
if (config->p2p_intra_bss != DEFAULT_P2P_INTRA_BSS)
fprintf(f, "p2p_intra_bss=%u\n", config->p2p_intra_bss);
#endif /* CONFIG_P2P */
if (config->country[0] && config->country[1]) {
fprintf(f, "country=%c%c\n",

8
wpa_supplicant/driver_i.h
View File

@ -424,6 +424,14 @@ static inline int wpa_drv_if_remove(struct wpa_supplicant *wpa_s,
return -1;
}
static inline int wpa_drv_set_intra_bss(struct wpa_supplicant *wpa_s,
int enabled)
{
if (wpa_s->driver->set_intra_bss)
return wpa_s->driver->set_intra_bss(wpa_s->drv_priv, enabled);
return -1;
}
static inline int wpa_drv_remain_on_channel(struct wpa_supplicant *wpa_s,
unsigned int freq,
unsigned int duration)

5
wpa_supplicant/p2p_supplicant.c
View File

@ -2201,6 +2201,8 @@ int wpas_p2p_init(struct wpa_global *global, struct wpa_supplicant *wpa_s)
p2p.ssid_postfix_len);
}
p2p.p2p_intra_bss = wpa_s->conf->p2p_intra_bss;
global->p2p = p2p_init(&p2p);
if (global->p2p == NULL)
return -1;
@ -3395,6 +3397,9 @@ void wpas_p2p_update_config(struct wpa_supplicant *wpa_s)
os_strlen(wpa_s->conf->p2p_ssid_postfix) :
0);
}
if (wpa_s->conf->changed_parameters & CFG_CHANGED_P2P_INTRA_BSS)
p2p_set_intra_bss_dist(p2p, wpa_s->conf->p2p_intra_bss);
}