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mac80211: Modify sta_get_rates to give basic rates 

Signed-off-by: Ashok Nagarajan <ashok@cozybit.com>
Signed-off-by: Thomas Pedersen <thomas@cozybit.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Ashok Nagarajan 2012-04-02 21:21:21 -07:00 committed by John W. Linville
parent 657c3e0c41
commit 9ebb61a23d
5 changed files with 23 additions and 11 deletions
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4
net/mac80211/ibss.c
View File

@ -408,7 +408,7 @@ static void ieee80211_rx_bss_info(struct ieee80211_sub_if_data *sdata,
if (elems->supp_rates) {
supp_rates = ieee80211_sta_get_rates(local, elems,
band);
band, NULL);
if (sta) {
u32 prev_rates;
@ -558,7 +558,7 @@ static void ieee80211_rx_bss_info(struct ieee80211_sub_if_data *sdata,
sdata->name, mgmt->bssid);
#endif
ieee80211_sta_join_ibss(sdata, bss);
supp_rates = ieee80211_sta_get_rates(local, elems, band);
supp_rates = ieee80211_sta_get_rates(local, elems, band, NULL);
ieee80211_ibss_add_sta(sdata, mgmt->bssid, mgmt->sa,
supp_rates, true);
rcu_read_unlock();

2
net/mac80211/ieee80211_i.h
View File

@ -1480,7 +1480,7 @@ void ieee80211_sta_def_wmm_params(struct ieee80211_sub_if_data *sdata,
const u8 *supp_rates);
u32 ieee80211_sta_get_rates(struct ieee80211_local *local,
struct ieee802_11_elems *elems,
enum ieee80211_band band);
enum ieee80211_band band, u32 *basic_rates);
int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata,
enum ieee80211_smps_mode smps_mode);
void ieee80211_recalc_smps(struct ieee80211_local *local);

5
net/mac80211/mesh.c
View File

@ -625,7 +625,7 @@ static void ieee80211_mesh_rx_bcn_presp(struct ieee80211_sub_if_data *sdata,
struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
struct ieee802_11_elems elems;
struct ieee80211_channel *channel;
u32 supp_rates = 0;
u32 supp_rates = 0, basic_rates = 0;
size_t baselen;
int freq;
enum ieee80211_band band = rx_status->band;
@ -658,7 +658,8 @@ static void ieee80211_mesh_rx_bcn_presp(struct ieee80211_sub_if_data *sdata,
if (elems.mesh_id && elems.mesh_config &&
mesh_matches_local(&elems, sdata)) {
supp_rates = ieee80211_sta_get_rates(local, &elems, band);
supp_rates = ieee80211_sta_get_rates(local, &elems,
band, &basic_rates);
mesh_neighbour_update(mgmt->sa, supp_rates, sdata, &elems);
}

7
net/mac80211/mesh_plink.c
View File

@ -465,6 +465,7 @@ void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata, struct ieee80211_m
bool deactivated, matches_local = true;
u8 ie_len;
u8 *baseaddr;
u32 rates, basic_rates = 0;
__le16 plid, llid, reason;
#ifdef CONFIG_MAC80211_VERBOSE_MPL_DEBUG
static const char *mplstates[] = {
@ -559,6 +560,9 @@ void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata, struct ieee80211_m
/* Now we will figure out the appropriate event... */
event = PLINK_UNDEFINED;
rates = ieee80211_sta_get_rates(local, &elems,
rx_status->band, &basic_rates);
if (ftype != WLAN_SP_MESH_PEERING_CLOSE &&
(!mesh_matches_local(&elems, sdata))) {
matches_local = false;
@ -583,7 +587,6 @@ void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata, struct ieee80211_m
return;
} else if (!sta) {
/* ftype == WLAN_SP_MESH_PEERING_OPEN */
u32 rates;
rcu_read_unlock();
@ -591,8 +594,6 @@ void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata, struct ieee80211_m
mpl_dbg("Mesh plink error: no more free plinks\n");
return;
}
rates = ieee80211_sta_get_rates(local, &elems, rx_status->band);
sta = mesh_plink_alloc(sdata, mgmt->sa, rates, &elems);
if (!sta) {
mpl_dbg("Mesh plink error: plink table full\n");

16
net/mac80211/util.c
View File

@ -1109,7 +1109,7 @@ void ieee80211_send_probe_req(struct ieee80211_sub_if_data *sdata, u8 *dst,
u32 ieee80211_sta_get_rates(struct ieee80211_local *local,
struct ieee802_11_elems *elems,
enum ieee80211_band band)
enum ieee80211_band band, u32 *basic_rates)
{
struct ieee80211_supported_band *sband;
struct ieee80211_rate *bitrates;
@ -1130,15 +1130,25 @@ u32 ieee80211_sta_get_rates(struct ieee80211_local *local,
elems->ext_supp_rates_len; i++) {
u8 rate = 0;
int own_rate;
bool is_basic;
if (i < elems->supp_rates_len)
rate = elems->supp_rates[i];
else if (elems->ext_supp_rates)
rate = elems->ext_supp_rates
[i - elems->supp_rates_len];
own_rate = 5 * (rate & 0x7f);
for (j = 0; j < num_rates; j++)
if (bitrates[j].bitrate == own_rate)
is_basic = !!(rate & 0x80);
if (is_basic && (rate & 0x7f) == BSS_MEMBERSHIP_SELECTOR_HT_PHY)
continue;
for (j = 0; j < num_rates; j++) {
if (bitrates[j].bitrate == own_rate) {
supp_rates |= BIT(j);
if (basic_rates && is_basic)
*basic_rates |= BIT(j);
}
}
}
return supp_rates;
}