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brcm80211: smac: added support for mac80211 filter flags 

Added support for handling FIF_PROMISC_IN_BSS, FIF_FCSFAIL,
FIF_CONTROL, FIF_OTHER_BSS and FIF_PSPOLL.

Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Reviewed-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Alwin Beukers <alwin@broadcom.com>
Signed-off-by: Franky Lin <frankyl@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Alwin Beukers 2011-11-22 17:21:43 -08:00 committed by John W. Linville
parent 8906c43cb1
commit be667669ec
3 changed files with 38 additions and 51 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

38
drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c
View File

@ -40,10 +40,10 @@
#define MAC_FILTERS (FIF_PROMISC_IN_BSS | \
FIF_ALLMULTI | \
FIF_FCSFAIL | \
FIF_PLCPFAIL | \
FIF_CONTROL | \
FIF_OTHER_BSS | \
FIF_BCN_PRBRESP_PROMISC)
FIF_BCN_PRBRESP_PROMISC | \
FIF_PSPOLL)
#define CHAN2GHZ(channel, freqency, chflags) { \
.band = IEEE80211_BAND_2GHZ, \
@ -373,7 +373,7 @@ static int brcms_ops_config(struct ieee80211_hw *hw, u32 changed)
conf->listen_interval);
}
if (changed & IEEE80211_CONF_CHANGE_MONITOR)
wiphy_err(wiphy, "%s: change monitor mode: %s (implement)\n",
wiphy_dbg(wiphy, "%s: change monitor mode: %s\n",
__func__, conf->flags & IEEE80211_CONF_MONITOR ?
"true" : "false");
if (changed & IEEE80211_CONF_CHANGE_PS)
@ -550,29 +550,25 @@ brcms_ops_configure_filter(struct ieee80211_hw *hw,
changed_flags &= MAC_FILTERS;
*total_flags &= MAC_FILTERS;
if (changed_flags & FIF_PROMISC_IN_BSS)
wiphy_err(wiphy, "FIF_PROMISC_IN_BSS\n");
wiphy_dbg(wiphy, "FIF_PROMISC_IN_BSS\n");
if (changed_flags & FIF_ALLMULTI)
wiphy_err(wiphy, "FIF_ALLMULTI\n");
wiphy_dbg(wiphy, "FIF_ALLMULTI\n");
if (changed_flags & FIF_FCSFAIL)
wiphy_err(wiphy, "FIF_FCSFAIL\n");
if (changed_flags & FIF_PLCPFAIL)
wiphy_err(wiphy, "FIF_PLCPFAIL\n");
wiphy_dbg(wiphy, "FIF_FCSFAIL\n");
if (changed_flags & FIF_CONTROL)
wiphy_err(wiphy, "FIF_CONTROL\n");
wiphy_dbg(wiphy, "FIF_CONTROL\n");
if (changed_flags & FIF_OTHER_BSS)
wiphy_err(wiphy, "FIF_OTHER_BSS\n");
if (changed_flags & FIF_BCN_PRBRESP_PROMISC) {
spin_lock_bh(&wl->lock);
if (*total_flags & FIF_BCN_PRBRESP_PROMISC) {
wl->pub->mac80211_state |= MAC80211_PROMISC_BCNS;
brcms_c_mac_bcn_promisc_change(wl->wlc, 1);
} else {
brcms_c_mac_bcn_promisc_change(wl->wlc, 0);
wl->pub->mac80211_state &= ~MAC80211_PROMISC_BCNS;
}
spin_unlock_bh(&wl->lock);
}
wiphy_dbg(wiphy, "FIF_OTHER_BSS\n");
if (changed_flags & FIF_PSPOLL)
wiphy_dbg(wiphy, "FIF_PSPOLL\n");
if (changed_flags & FIF_BCN_PRBRESP_PROMISC)
wiphy_dbg(wiphy, "FIF_BCN_PRBRESP_PROMISC\n");
spin_lock_bh(&wl->lock);
brcms_c_mac_promisc(wl->wlc, *total_flags);
spin_unlock_bh(&wl->lock);
return;
}

45
drivers/net/wireless/brcm80211/brcmsmac/main.c
View File

@ -3062,7 +3062,7 @@ static bool brcms_c_ps_allowed(struct brcms_c_info *wlc)
return false;
/* disallow PS when one of these meets when not scanning */
if (wlc->monitor)
if (wlc->filter_flags & FIF_PROMISC_IN_BSS)
return false;
if (cfg->associated) {
@ -3582,29 +3582,31 @@ static void brcms_c_bandinit_ordered(struct brcms_c_info *wlc,
}
/*
* Set or clear maccontrol bits MCTL_PROMISC, MCTL_BCNS_PROMISC and
* MCTL_KEEPCONTROL
* Set or clear filtering related maccontrol bits based on
* specified filter flags
*/
static void brcms_c_mac_promisc(struct brcms_c_info *wlc)
void brcms_c_mac_promisc(struct brcms_c_info *wlc, uint filter_flags)
{
u32 promisc_bits = 0;
if (wlc->bcnmisc_monitor)
wlc->filter_flags = filter_flags;
if (filter_flags & (FIF_PROMISC_IN_BSS | FIF_OTHER_BSS))
promisc_bits |= MCTL_PROMISC;
if (filter_flags & FIF_BCN_PRBRESP_PROMISC)
promisc_bits |= MCTL_BCNS_PROMISC;
if (wlc->monitor)
promisc_bits |=
MCTL_PROMISC | MCTL_BCNS_PROMISC | MCTL_KEEPCONTROL;
if (filter_flags & FIF_FCSFAIL)
promisc_bits |= MCTL_KEEPBADFCS;
if (filter_flags & (FIF_CONTROL | FIF_PSPOLL))
promisc_bits |= MCTL_KEEPCONTROL;
brcms_b_mctrl(wlc->hw,
MCTL_PROMISC | MCTL_BCNS_PROMISC | MCTL_KEEPCONTROL,
promisc_bits);
}
void brcms_c_mac_bcn_promisc_change(struct brcms_c_info *wlc, bool promisc)
{
wlc->bcnmisc_monitor = promisc;
brcms_c_mac_promisc(wlc);
MCTL_PROMISC | MCTL_BCNS_PROMISC |
MCTL_KEEPCONTROL | MCTL_KEEPBADFCS,
promisc_bits);
}
/*
@ -3634,9 +3636,6 @@ static void brcms_c_ucode_mac_upd(struct brcms_c_info *wlc)
} else {
/* disable an active IBSS if we are not on the home channel */
}
/* update the various promisc bits */
brcms_c_mac_promisc(wlc);
}
static void brcms_c_write_rate_shm(struct brcms_c_info *wlc, u8 rate,
@ -8072,14 +8071,8 @@ static void brcms_c_recv(struct brcms_c_info *wlc, struct sk_buff *p)
len = p->len;
if (rxh->RxStatus1 & RXS_FCSERR) {
if (wlc->pub->mac80211_state & MAC80211_PROMISC_BCNS) {
wiphy_err(wlc->wiphy, "FCSERR while scanning******* -"
" tossing\n");
if (!(wlc->filter_flags & FIF_FCSFAIL))
goto toss;
} else {
wiphy_err(wlc->wiphy, "RCSERR!!!\n");
goto toss;
}
}
/* check received pkt has at least frame control field */

6
drivers/net/wireless/brcm80211/brcmsmac/main.h
View File

@ -519,8 +519,7 @@ struct brcms_c_info {
struct brcms_timer *radio_timer;
/* promiscuous */
bool monitor;
bool bcnmisc_monitor;
uint filter_flags;
/* driver feature */
bool _rifs;
@ -658,8 +657,7 @@ extern void brcms_c_print_txdesc(struct d11txh *txh);
#endif
extern int brcms_c_set_gmode(struct brcms_c_info *wlc, u8 gmode, bool config);
extern void brcms_c_mac_bcn_promisc_change(struct brcms_c_info *wlc,
bool promisc);
extern void brcms_c_mac_promisc(struct brcms_c_info *wlc, uint filter_flags);
extern void brcms_c_send_q(struct brcms_c_info *wlc);
extern int brcms_c_prep_pdu(struct brcms_c_info *wlc, struct sk_buff *pdu,
uint *fifo);