From 13b81559200b8e54473e5b140323cbb5f2bb21c0 Mon Sep 17 00:00:00 2001 From: "Luis R. Rodriguez" Date: Thu, 10 Sep 2009 17:52:45 -0700 Subject: [PATCH] atheros: define shared bssidmask setting Also make ath5k and ath9k use it, and share register definitions. Signed-off-by: Luis R. Rodriguez Signed-off-by: John W. Linville --- drivers/net/wireless/ath/Makefile | 5 +- drivers/net/wireless/ath/ath.h | 3 + drivers/net/wireless/ath/ath5k/ath5k.h | 2 +- drivers/net/wireless/ath/ath5k/attach.c | 2 +- drivers/net/wireless/ath/ath5k/base.c | 1 + drivers/net/wireless/ath/ath5k/initvals.c | 4 +- drivers/net/wireless/ath/ath5k/pcu.c | 121 ++------------------- drivers/net/wireless/ath/ath5k/reg.h | 8 +- drivers/net/wireless/ath/ath9k/hw.c | 10 +- drivers/net/wireless/ath/ath9k/main.c | 1 + drivers/net/wireless/ath/ath9k/recv.c | 2 +- drivers/net/wireless/ath/ath9k/reg.h | 5 +- drivers/net/wireless/ath/ath9k/virtual.c | 2 +- drivers/net/wireless/ath/hw.c | 126 ++++++++++++++++++++++ drivers/net/wireless/ath/reg.h | 27 +++++ 15 files changed, 179 insertions(+), 140 deletions(-) create mode 100644 drivers/net/wireless/ath/hw.c create mode 100644 drivers/net/wireless/ath/reg.h diff --git a/drivers/net/wireless/ath/Makefile b/drivers/net/wireless/ath/Makefile index 4bb0132ada37..6ebf2148167a 100644 --- a/drivers/net/wireless/ath/Makefile +++ b/drivers/net/wireless/ath/Makefile @@ -3,4 +3,7 @@ obj-$(CONFIG_ATH9K) += ath9k/ obj-$(CONFIG_AR9170_USB) += ar9170/ obj-$(CONFIG_ATH_COMMON) += ath.o -ath-objs := main.o regd.o + +ath-objs := main.o \ + regd.o \ + hw.o diff --git a/drivers/net/wireless/ath/ath.h b/drivers/net/wireless/ath/ath.h index be68cb8cf705..0582ee4a493e 100644 --- a/drivers/net/wireless/ath/ath.h +++ b/drivers/net/wireless/ath/ath.h @@ -45,6 +45,7 @@ struct ath_ops { }; struct ath_common { + void *ah; u16 cachelsz; u16 curaid; u8 macaddr[ETH_ALEN]; @@ -58,4 +59,6 @@ struct sk_buff *ath_rxbuf_alloc(struct ath_common *common, u32 len, gfp_t gfp_mask); +void ath_hw_setbssidmask(struct ath_common *common); + #endif /* ATH_H */ diff --git a/drivers/net/wireless/ath/ath5k/ath5k.h b/drivers/net/wireless/ath/ath5k/ath5k.h index 1416562e4d19..43585d54c270 100644 --- a/drivers/net/wireless/ath/ath5k/ath5k.h +++ b/drivers/net/wireless/ath/ath5k/ath5k.h @@ -1192,7 +1192,7 @@ extern int ath5k_hw_set_opmode(struct ath5k_hw *ah); /* BSSID Functions */ extern int ath5k_hw_set_lladdr(struct ath5k_hw *ah, const u8 *mac); extern void ath5k_hw_set_associd(struct ath5k_hw *ah, const u8 *bssid, u16 assoc_id); -extern int ath5k_hw_set_bssid_mask(struct ath5k_hw *ah, const u8 *mask); +extern void ath5k_hw_set_bssid_mask(struct ath5k_hw *ah, const u8 *mask); /* Receive start/stop functions */ extern void ath5k_hw_start_rx_pcu(struct ath5k_hw *ah); extern void ath5k_hw_stop_rx_pcu(struct ath5k_hw *ah); diff --git a/drivers/net/wireless/ath/ath5k/attach.c b/drivers/net/wireless/ath/ath5k/attach.c index c0840aba2715..e230de8ad320 100644 --- a/drivers/net/wireless/ath/ath5k/attach.c +++ b/drivers/net/wireless/ath/ath5k/attach.c @@ -104,7 +104,7 @@ static int ath5k_hw_post(struct ath5k_hw *ah) int ath5k_hw_attach(struct ath5k_softc *sc) { struct ath5k_hw *ah = sc->ah; - struct ath_common *common; + struct ath_common *common = ath5k_hw_common(ah); struct pci_dev *pdev = sc->pdev; struct ath5k_eeprom_info *ee; int ret; diff --git a/drivers/net/wireless/ath/ath5k/base.c b/drivers/net/wireless/ath/ath5k/base.c index 13bbf3dfc6c3..1abbebc2bd26 100644 --- a/drivers/net/wireless/ath/ath5k/base.c +++ b/drivers/net/wireless/ath/ath5k/base.c @@ -593,6 +593,7 @@ ath5k_pci_probe(struct pci_dev *pdev, sc->ah->ah_iobase = sc->iobase; common = ath5k_hw_common(sc->ah); common->ops = &ath5k_common_ops; + common->ah = sc->ah; common->cachelsz = csz << 2; /* convert to bytes */ /* Initialize device */ diff --git a/drivers/net/wireless/ath/ath5k/initvals.c b/drivers/net/wireless/ath/ath5k/initvals.c index 18eb5190ce4b..8fa439308828 100644 --- a/drivers/net/wireless/ath/ath5k/initvals.c +++ b/drivers/net/wireless/ath/ath5k/initvals.c @@ -560,8 +560,8 @@ static const struct ath5k_ini ar5212_ini_common_start[] = { { AR5K_SLEEP0, 0x0002aaaa }, { AR5K_SLEEP1, 0x02005555 }, { AR5K_SLEEP2, 0x00000000 }, - { AR5K_BSS_IDM0, 0xffffffff }, - { AR5K_BSS_IDM1, 0x0000ffff }, + { AR_BSSMSKL, 0xffffffff }, + { AR_BSSMSKU, 0x0000ffff }, { AR5K_TXPC, 0x00000000 }, { AR5K_PROFCNT_TX, 0x00000000 }, { AR5K_PROFCNT_RX, 0x00000000 }, diff --git a/drivers/net/wireless/ath/ath5k/pcu.c b/drivers/net/wireless/ath/ath5k/pcu.c index f03c06d583e6..9ac763875a98 100644 --- a/drivers/net/wireless/ath/ath5k/pcu.c +++ b/drivers/net/wireless/ath/ath5k/pcu.c @@ -290,10 +290,10 @@ void ath5k_hw_set_associd(struct ath5k_hw *ah, const u8 *bssid, u16 assoc_id) */ if (ah->ah_version == AR5K_AR5212) { ath5k_hw_reg_write(ah, get_unaligned_le32(common->bssidmask), - AR5K_BSS_IDM0); + AR_BSSMSKL); ath5k_hw_reg_write(ah, get_unaligned_le16(common->curbssid + 4), - AR5K_BSS_IDM1); + AR_BSSMSKU); } /* @@ -301,9 +301,9 @@ void ath5k_hw_set_associd(struct ath5k_hw *ah, const u8 *bssid, u16 assoc_id) */ low_id = get_unaligned_le32(bssid); high_id = get_unaligned_le16(bssid); - ath5k_hw_reg_write(ah, low_id, AR5K_BSS_ID0); + ath5k_hw_reg_write(ah, low_id, AR_BSSMSKL); ath5k_hw_reg_write(ah, high_id | ((assoc_id & 0x3fff) << - AR5K_BSS_ID1_AID_S), AR5K_BSS_ID1); + AR5K_BSS_ID1_AID_S), AR_BSSMSKU); if (assoc_id == 0) { ath5k_hw_disable_pspoll(ah); @@ -316,125 +316,18 @@ void ath5k_hw_set_associd(struct ath5k_hw *ah, const u8 *bssid, u16 assoc_id) ath5k_hw_enable_pspoll(ah, NULL, 0); } -/** - * ath5k_hw_set_bssid_mask - filter out bssids we listen - * - * @ah: the &struct ath5k_hw - * @mask: the bssid_mask, a u8 array of size ETH_ALEN - * - * BSSID masking is a method used by AR5212 and newer hardware to inform PCU - * which bits of the interface's MAC address should be looked at when trying - * to decide which packets to ACK. In station mode and AP mode with a single - * BSS every bit matters since we lock to only one BSS. In AP mode with - * multiple BSSes (virtual interfaces) not every bit matters because hw must - * accept frames for all BSSes and so we tweak some bits of our mac address - * in order to have multiple BSSes. - * - * NOTE: This is a simple filter and does *not* filter out all - * relevant frames. Some frames that are not for us might get ACKed from us - * by PCU because they just match the mask. - * - * When handling multiple BSSes you can get the BSSID mask by computing the - * set of ~ ( MAC XOR BSSID ) for all bssids we handle. - * - * When you do this you are essentially computing the common bits of all your - * BSSes. Later it is assumed the harware will "and" (&) the BSSID mask with - * the MAC address to obtain the relevant bits and compare the result with - * (frame's BSSID & mask) to see if they match. - */ -/* - * Simple example: on your card you have have two BSSes you have created with - * BSSID-01 and BSSID-02. Lets assume BSSID-01 will not use the MAC address. - * There is another BSSID-03 but you are not part of it. For simplicity's sake, - * assuming only 4 bits for a mac address and for BSSIDs you can then have: - * - * \ - * MAC: 0001 | - * BSSID-01: 0100 | --> Belongs to us - * BSSID-02: 1001 | - * / - * ------------------- - * BSSID-03: 0110 | --> External - * ------------------- - * - * Our bssid_mask would then be: - * - * On loop iteration for BSSID-01: - * ~(0001 ^ 0100) -> ~(0101) - * -> 1010 - * bssid_mask = 1010 - * - * On loop iteration for BSSID-02: - * bssid_mask &= ~(0001 ^ 1001) - * bssid_mask = (1010) & ~(0001 ^ 1001) - * bssid_mask = (1010) & ~(1001) - * bssid_mask = (1010) & (0110) - * bssid_mask = 0010 - * - * A bssid_mask of 0010 means "only pay attention to the second least - * significant bit". This is because its the only bit common - * amongst the MAC and all BSSIDs we support. To findout what the real - * common bit is we can simply "&" the bssid_mask now with any BSSID we have - * or our MAC address (we assume the hardware uses the MAC address). - * - * Now, suppose there's an incoming frame for BSSID-03: - * - * IFRAME-01: 0110 - * - * An easy eye-inspeciton of this already should tell you that this frame - * will not pass our check. This is beacuse the bssid_mask tells the - * hardware to only look at the second least significant bit and the - * common bit amongst the MAC and BSSIDs is 0, this frame has the 2nd LSB - * as 1, which does not match 0. - * - * So with IFRAME-01 we *assume* the hardware will do: - * - * allow = (IFRAME-01 & bssid_mask) == (bssid_mask & MAC) ? 1 : 0; - * --> allow = (0110 & 0010) == (0010 & 0001) ? 1 : 0; - * --> allow = (0010) == 0000 ? 1 : 0; - * --> allow = 0 - * - * Lets now test a frame that should work: - * - * IFRAME-02: 0001 (we should allow) - * - * allow = (0001 & 1010) == 1010 - * - * allow = (IFRAME-02 & bssid_mask) == (bssid_mask & MAC) ? 1 : 0; - * --> allow = (0001 & 0010) == (0010 & 0001) ? 1 :0; - * --> allow = (0010) == (0010) - * --> allow = 1 - * - * Other examples: - * - * IFRAME-03: 0100 --> allowed - * IFRAME-04: 1001 --> allowed - * IFRAME-05: 1101 --> allowed but its not for us!!! - * - */ -int ath5k_hw_set_bssid_mask(struct ath5k_hw *ah, const u8 *mask) +void ath5k_hw_set_bssid_mask(struct ath5k_hw *ah, const u8 *mask) { struct ath_common *common = ath5k_hw_common(ah); - u32 low_id, high_id; ATH5K_TRACE(ah->ah_sc); /* Cache bssid mask so that we can restore it * on reset */ memcpy(common->bssidmask, mask, ETH_ALEN); - if (ah->ah_version == AR5K_AR5212) { - low_id = get_unaligned_le32(mask); - high_id = get_unaligned_le16(mask + 4); - - ath5k_hw_reg_write(ah, low_id, AR5K_BSS_IDM0); - ath5k_hw_reg_write(ah, high_id, AR5K_BSS_IDM1); - - return 0; - } - - return -EIO; + if (ah->ah_version == AR5K_AR5212) + ath_hw_setbssidmask(common); } - /************\ * RX Control * \************/ diff --git a/drivers/net/wireless/ath/ath5k/reg.h b/drivers/net/wireless/ath/ath5k/reg.h index c63ea6afd96f..64227abe3c20 100644 --- a/drivers/net/wireless/ath/ath5k/reg.h +++ b/drivers/net/wireless/ath/ath5k/reg.h @@ -35,7 +35,7 @@ * released by Atheros and on various debug messages found on the net. */ - +#include "../reg.h" /*====MAC DMA REGISTERS====*/ @@ -1649,12 +1649,6 @@ #define AR5K_SLEEP2_DTIM_PER 0xffff0000 /* Mask for DTIM period (?) */ #define AR5K_SLEEP2_DTIM_PER_S 16 -/* - * BSSID mask registers - */ -#define AR5K_BSS_IDM0 0x80e0 /* Upper bits */ -#define AR5K_BSS_IDM1 0x80e4 /* Lower bits */ - /* * TX power control (TPC) register * diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c index 0ad25987d85c..5fb94fa45ff9 100644 --- a/drivers/net/wireless/ath/ath9k/hw.c +++ b/drivers/net/wireless/ath/ath9k/hw.c @@ -2441,7 +2441,7 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan, | ah->sta_id1_defaults); ath9k_hw_set_operating_mode(ah, ah->opmode); - ath9k_hw_setbssidmask(ah); + ath_hw_setbssidmask(common); REG_WRITE(ah, AR_DEF_ANTENNA, saveDefAntenna); @@ -3990,14 +3990,6 @@ void ath9k_hw_setmcastfilter(struct ath_hw *ah, u32 filter0, u32 filter1) REG_WRITE(ah, AR_MCAST_FIL1, filter1); } -void ath9k_hw_setbssidmask(struct ath_hw *ah) -{ - struct ath_common *common = ath9k_hw_common(ah); - - REG_WRITE(ah, AR_BSSMSKL, get_unaligned_le32(common->bssidmask)); - REG_WRITE(ah, AR_BSSMSKU, get_unaligned_le16(common->bssidmask + 4)); -} - void ath9k_hw_write_associd(struct ath_hw *ah) { struct ath_common *common = ath9k_hw_common(ah); diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c index 4a85f6ccb509..d752b167f5ad 100644 --- a/drivers/net/wireless/ath/ath9k/main.c +++ b/drivers/net/wireless/ath/ath9k/main.c @@ -1570,6 +1570,7 @@ static int ath_init_softc(u16 devid, struct ath_softc *sc, u16 subsysid) common = ath9k_hw_common(ah); common->ops = &ath9k_common_ops; + common->ah = ah; /* * Cache line size is used to size and align various diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c index 97a5efe18d66..fb635a0a34e8 100644 --- a/drivers/net/wireless/ath/ath9k/recv.c +++ b/drivers/net/wireless/ath/ath9k/recv.c @@ -282,7 +282,7 @@ static void ath_opmode_init(struct ath_softc *sc) /* configure bssid mask */ if (ah->caps.hw_caps & ATH9K_HW_CAP_BSSIDMASK) - ath9k_hw_setbssidmask(ah); + ath_hw_setbssidmask(common); /* configure operational mode */ ath9k_hw_setopmode(ah); diff --git a/drivers/net/wireless/ath/ath9k/reg.h b/drivers/net/wireless/ath/ath9k/reg.h index d83b77f821e9..ceed0095efac 100644 --- a/drivers/net/wireless/ath/ath9k/reg.h +++ b/drivers/net/wireless/ath/ath9k/reg.h @@ -17,6 +17,8 @@ #ifndef REG_H #define REG_H +#include "../reg.h" + #define AR_CR 0x0008 #define AR_CR_RXE 0x00000004 #define AR_CR_RXD 0x00000020 @@ -1421,9 +1423,6 @@ enum { #define AR_SLEEP2_BEACON_TIMEOUT 0xFFE00000 #define AR_SLEEP2_BEACON_TIMEOUT_S 21 -#define AR_BSSMSKL 0x80e0 -#define AR_BSSMSKU 0x80e4 - #define AR_TPC 0x80e8 #define AR_TPC_ACK 0x0000003f #define AR_TPC_ACK_S 0x00 diff --git a/drivers/net/wireless/ath/ath9k/virtual.c b/drivers/net/wireless/ath/ath9k/virtual.c index 7b763b6555fd..bc7d173b6fae 100644 --- a/drivers/net/wireless/ath/ath9k/virtual.c +++ b/drivers/net/wireless/ath/ath9k/virtual.c @@ -94,7 +94,7 @@ void ath9k_set_bssid_mask(struct ieee80211_hw *hw) common->bssidmask[4] = ~mask[4]; common->bssidmask[5] = ~mask[5]; - ath9k_hw_setbssidmask(sc->sc_ah); + ath_hw_setbssidmask(common); } int ath9k_wiphy_add(struct ath_softc *sc) diff --git a/drivers/net/wireless/ath/hw.c b/drivers/net/wireless/ath/hw.c new file mode 100644 index 000000000000..ecc9eb01f4fa --- /dev/null +++ b/drivers/net/wireless/ath/hw.c @@ -0,0 +1,126 @@ +/* + * Copyright (c) 2009 Atheros Communications Inc. + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include + +#include "ath.h" +#include "reg.h" + +#define REG_READ common->ops->read +#define REG_WRITE common->ops->write + +/** + * ath_hw_set_bssid_mask - filter out bssids we listen + * + * @common: the ath_common struct for the device. + * + * BSSID masking is a method used by AR5212 and newer hardware to inform PCU + * which bits of the interface's MAC address should be looked at when trying + * to decide which packets to ACK. In station mode and AP mode with a single + * BSS every bit matters since we lock to only one BSS. In AP mode with + * multiple BSSes (virtual interfaces) not every bit matters because hw must + * accept frames for all BSSes and so we tweak some bits of our mac address + * in order to have multiple BSSes. + * + * NOTE: This is a simple filter and does *not* filter out all + * relevant frames. Some frames that are not for us might get ACKed from us + * by PCU because they just match the mask. + * + * When handling multiple BSSes you can get the BSSID mask by computing the + * set of ~ ( MAC XOR BSSID ) for all bssids we handle. + * + * When you do this you are essentially computing the common bits of all your + * BSSes. Later it is assumed the harware will "and" (&) the BSSID mask with + * the MAC address to obtain the relevant bits and compare the result with + * (frame's BSSID & mask) to see if they match. + * + * Simple example: on your card you have have two BSSes you have created with + * BSSID-01 and BSSID-02. Lets assume BSSID-01 will not use the MAC address. + * There is another BSSID-03 but you are not part of it. For simplicity's sake, + * assuming only 4 bits for a mac address and for BSSIDs you can then have: + * + * \ + * MAC: 0001 | + * BSSID-01: 0100 | --> Belongs to us + * BSSID-02: 1001 | + * / + * ------------------- + * BSSID-03: 0110 | --> External + * ------------------- + * + * Our bssid_mask would then be: + * + * On loop iteration for BSSID-01: + * ~(0001 ^ 0100) -> ~(0101) + * -> 1010 + * bssid_mask = 1010 + * + * On loop iteration for BSSID-02: + * bssid_mask &= ~(0001 ^ 1001) + * bssid_mask = (1010) & ~(0001 ^ 1001) + * bssid_mask = (1010) & ~(1001) + * bssid_mask = (1010) & (0110) + * bssid_mask = 0010 + * + * A bssid_mask of 0010 means "only pay attention to the second least + * significant bit". This is because its the only bit common + * amongst the MAC and all BSSIDs we support. To findout what the real + * common bit is we can simply "&" the bssid_mask now with any BSSID we have + * or our MAC address (we assume the hardware uses the MAC address). + * + * Now, suppose there's an incoming frame for BSSID-03: + * + * IFRAME-01: 0110 + * + * An easy eye-inspeciton of this already should tell you that this frame + * will not pass our check. This is beacuse the bssid_mask tells the + * hardware to only look at the second least significant bit and the + * common bit amongst the MAC and BSSIDs is 0, this frame has the 2nd LSB + * as 1, which does not match 0. + * + * So with IFRAME-01 we *assume* the hardware will do: + * + * allow = (IFRAME-01 & bssid_mask) == (bssid_mask & MAC) ? 1 : 0; + * --> allow = (0110 & 0010) == (0010 & 0001) ? 1 : 0; + * --> allow = (0010) == 0000 ? 1 : 0; + * --> allow = 0 + * + * Lets now test a frame that should work: + * + * IFRAME-02: 0001 (we should allow) + * + * allow = (0001 & 1010) == 1010 + * + * allow = (IFRAME-02 & bssid_mask) == (bssid_mask & MAC) ? 1 : 0; + * --> allow = (0001 & 0010) == (0010 & 0001) ? 1 :0; + * --> allow = (0010) == (0010) + * --> allow = 1 + * + * Other examples: + * + * IFRAME-03: 0100 --> allowed + * IFRAME-04: 1001 --> allowed + * IFRAME-05: 1101 --> allowed but its not for us!!! + * + */ +void ath_hw_setbssidmask(struct ath_common *common) +{ + void *ah = common->ah; + + REG_WRITE(ah, get_unaligned_le32(common->bssidmask), AR_BSSMSKL); + REG_WRITE(ah, get_unaligned_le16(common->bssidmask + 4), AR_BSSMSKU); +} +EXPORT_SYMBOL(ath_hw_setbssidmask); diff --git a/drivers/net/wireless/ath/reg.h b/drivers/net/wireless/ath/reg.h new file mode 100644 index 000000000000..dfe1fbec24f5 --- /dev/null +++ b/drivers/net/wireless/ath/reg.h @@ -0,0 +1,27 @@ +/* + * Copyright (c) 2008-2009 Atheros Communications Inc. + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#ifndef ATH_REGISTERS_H +#define ATH_REGISTERS_H + +/* + * BSSID mask registers. See ath_hw_set_bssid_mask() + * for detailed documentation about these registers. + */ +#define AR_BSSMSKL 0x80e0 +#define AR_BSSMSKU 0x80e4 + +#endif /* ATH_REGISTERS_H */ -- 2.20.1