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-rw-r--r--drivers/net/wireless/brcm80211/brcmsmac/main.c348
1 files changed, 148 insertions, 200 deletions
diff --git a/drivers/net/wireless/brcm80211/brcmsmac/main.c b/drivers/net/wireless/brcm80211/brcmsmac/main.c
index 510e9bb52287..77261ea0bd6a 100644
--- a/drivers/net/wireless/brcm80211/brcmsmac/main.c
+++ b/drivers/net/wireless/brcm80211/brcmsmac/main.c
@@ -35,39 +35,25 @@
* Indication for txflowcontrol that all priority bits in
* TXQ_STOP_FOR_PRIOFC_MASK are to be considered.
*/
-#define ALLPRIO -1
-
-/*
- * 32 SSID chars, max of 4 chars for each SSID char "\xFF", plus NULL.
- */
-#define SSID_FMT_BUF_LEN ((4 * IEEE80211_MAX_SSID_LEN) + 1)
+#define ALLPRIO -1
/* watchdog timer, in unit of ms */
-#define TIMER_INTERVAL_WATCHDOG 1000
+#define TIMER_INTERVAL_WATCHDOG 1000
/* radio monitor timer, in unit of ms */
-#define TIMER_INTERVAL_RADIOCHK 800
+#define TIMER_INTERVAL_RADIOCHK 800
/* Max MPC timeout, in unit of watchdog */
#ifndef BRCMS_MPC_MAX_DELAYCNT
-#define BRCMS_MPC_MAX_DELAYCNT 10
+#define BRCMS_MPC_MAX_DELAYCNT 10
#endif
/* Min MPC timeout, in unit of watchdog */
-#define BRCMS_MPC_MIN_DELAYCNT 1
-#define BRCMS_MPC_THRESHOLD 3 /* MPC count threshold level */
+#define BRCMS_MPC_MIN_DELAYCNT 1
+/* MPC count threshold level */
+#define BRCMS_MPC_THRESHOLD 3
/* beacon interval, in unit of 1024TU */
-#define BEACON_INTERVAL_DEFAULT 100
-/* DTIM interval, in unit of beacon interval */
-#define DTIM_INTERVAL_DEFAULT 3
-
-/* Scale down delays to accommodate QT slow speed */
-/* beacon interval, in unit of 1024TU */
-#define BEACON_INTERVAL_DEF_QT 20
-/* DTIM interval, in unit of beacon interval */
-#define DTIM_INTERVAL_DEF_QT 1
-
-#define TBTT_ALIGN_LEEWAY_US 100 /* min leeway before first TBTT in us */
+#define BEACON_INTERVAL_DEFAULT 100
/* n-mode support capability */
/* 2x2 includes both 1x1 & 2x2 devices
@@ -78,113 +64,76 @@
#define WL_11N_3x3 3
#define WL_11N_4x4 4
-/* define 11n feature disable flags */
-#define WLFEATURE_DISABLE_11N 0x00000001
-#define WLFEATURE_DISABLE_11N_STBC_TX 0x00000002
-#define WLFEATURE_DISABLE_11N_STBC_RX 0x00000004
-#define WLFEATURE_DISABLE_11N_SGI_TX 0x00000008
-#define WLFEATURE_DISABLE_11N_SGI_RX 0x00000010
-#define WLFEATURE_DISABLE_11N_AMPDU_TX 0x00000020
-#define WLFEATURE_DISABLE_11N_AMPDU_RX 0x00000040
-#define WLFEATURE_DISABLE_11N_GF 0x00000080
-
-#define EDCF_ACI_MASK 0x60
-#define EDCF_ACI_SHIFT 5
-#define EDCF_ECWMIN_MASK 0x0f
-#define EDCF_ECWMAX_SHIFT 4
-#define EDCF_AIFSN_MASK 0x0f
-#define EDCF_AIFSN_MAX 15
-#define EDCF_ECWMAX_MASK 0xf0
-
-#define EDCF_AC_BE_TXOP_STA 0x0000
-#define EDCF_AC_BK_TXOP_STA 0x0000
-#define EDCF_AC_VO_ACI_STA 0x62
-#define EDCF_AC_VO_ECW_STA 0x32
-#define EDCF_AC_VI_ACI_STA 0x42
-#define EDCF_AC_VI_ECW_STA 0x43
-#define EDCF_AC_BK_ECW_STA 0xA4
-#define EDCF_AC_VI_TXOP_STA 0x005e
-#define EDCF_AC_VO_TXOP_STA 0x002f
-#define EDCF_AC_BE_ACI_STA 0x03
-#define EDCF_AC_BE_ECW_STA 0xA4
-#define EDCF_AC_BK_ACI_STA 0x27
-#define EDCF_AC_VO_TXOP_AP 0x002f
-
-#define EDCF_TXOP2USEC(txop) ((txop) << 5)
-#define EDCF_ECW2CW(exp) ((1 << (exp)) - 1)
-
-#define APHY_SYMBOL_TIME 4
-#define APHY_PREAMBLE_TIME 16
-#define APHY_SIGNAL_TIME 4
-#define APHY_SIFS_TIME 16
-#define APHY_SERVICE_NBITS 16
-#define APHY_TAIL_NBITS 6
-#define BPHY_SIFS_TIME 10
-#define BPHY_PLCP_SHORT_TIME 96
-
-#define PREN_PREAMBLE 24
-#define PREN_MM_EXT 12
-#define PREN_PREAMBLE_EXT 4
+#define EDCF_ACI_MASK 0x60
+#define EDCF_ACI_SHIFT 5
+#define EDCF_ECWMIN_MASK 0x0f
+#define EDCF_ECWMAX_SHIFT 4
+#define EDCF_AIFSN_MASK 0x0f
+#define EDCF_AIFSN_MAX 15
+#define EDCF_ECWMAX_MASK 0xf0
+
+#define EDCF_AC_BE_TXOP_STA 0x0000
+#define EDCF_AC_BK_TXOP_STA 0x0000
+#define EDCF_AC_VO_ACI_STA 0x62
+#define EDCF_AC_VO_ECW_STA 0x32
+#define EDCF_AC_VI_ACI_STA 0x42
+#define EDCF_AC_VI_ECW_STA 0x43
+#define EDCF_AC_BK_ECW_STA 0xA4
+#define EDCF_AC_VI_TXOP_STA 0x005e
+#define EDCF_AC_VO_TXOP_STA 0x002f
+#define EDCF_AC_BE_ACI_STA 0x03
+#define EDCF_AC_BE_ECW_STA 0xA4
+#define EDCF_AC_BK_ACI_STA 0x27
+#define EDCF_AC_VO_TXOP_AP 0x002f
+
+#define EDCF_TXOP2USEC(txop) ((txop) << 5)
+#define EDCF_ECW2CW(exp) ((1 << (exp)) - 1)
+
+#define APHY_SYMBOL_TIME 4
+#define APHY_PREAMBLE_TIME 16
+#define APHY_SIGNAL_TIME 4
+#define APHY_SIFS_TIME 16
+#define APHY_SERVICE_NBITS 16
+#define APHY_TAIL_NBITS 6
+#define BPHY_SIFS_TIME 10
+#define BPHY_PLCP_SHORT_TIME 96
+
+#define PREN_PREAMBLE 24
+#define PREN_MM_EXT 12
+#define PREN_PREAMBLE_EXT 4
#define DOT11_MAC_HDR_LEN 24
-#define DOT11_ACK_LEN 10
-#define DOT11_BA_LEN 4
+#define DOT11_ACK_LEN 10
+#define DOT11_BA_LEN 4
#define DOT11_OFDM_SIGNAL_EXTENSION 6
#define DOT11_MIN_FRAG_LEN 256
-#define DOT11_RTS_LEN 16
-#define DOT11_CTS_LEN 10
+#define DOT11_RTS_LEN 16
+#define DOT11_CTS_LEN 10
#define DOT11_BA_BITMAP_LEN 128
#define DOT11_MIN_BEACON_PERIOD 1
#define DOT11_MAX_BEACON_PERIOD 0xFFFF
-#define DOT11_MAXNUMFRAGS 16
+#define DOT11_MAXNUMFRAGS 16
#define DOT11_MAX_FRAG_LEN 2346
-#define BPHY_PLCP_TIME 192
-#define RIFS_11N_TIME 2
-
-#define WME_VER 1
-#define WME_SUBTYPE_PARAM_IE 1
-#define WME_TYPE 2
-#define WME_OUI "\x00\x50\xf2"
+#define BPHY_PLCP_TIME 192
+#define RIFS_11N_TIME 2
-#define AC_BE 0
-#define AC_BK 1
-#define AC_VI 2
-#define AC_VO 3
+#define AC_BE 0
+#define AC_BK 1
+#define AC_VI 2
+#define AC_VO 3
-#define BCN_TMPL_LEN 512 /* length of the BCN template area */
+/* length of the BCN template area */
+#define BCN_TMPL_LEN 512
/* brcms_bss_info flag bit values */
-#define BRCMS_BSS_HT 0x0020 /* BSS is HT (MIMO) capable */
+#define BRCMS_BSS_HT 0x0020 /* BSS is HT (MIMO) capable */
-/* Flags used in brcms_c_txq_info.stopped */
-/* per prio flow control bits */
-#define TXQ_STOP_FOR_PRIOFC_MASK 0x000000FF
-/* stop txq enqueue for packet drain */
-#define TXQ_STOP_FOR_PKT_DRAIN 0x00000100
-/* stop txq enqueue for ampdu flow control */
-#define TXQ_STOP_FOR_AMPDU_FLOW_CNTRL 0x00000200
-
-#define BRCMS_HWRXOFF 38 /* chip rx buffer offset */
-
-/* Find basic rate for a given rate */
-static u8 brcms_basic_rate(struct brcms_c_info *wlc, u32 rspec)
-{
- if (is_mcs_rate(rspec))
- return wlc->band->basic_rate[mcs_table[rspec & RSPEC_RATE_MASK]
- .leg_ofdm];
- return wlc->band->basic_rate[rspec & RSPEC_RATE_MASK];
-}
-
-static u16 frametype(u32 rspec, u8 mimoframe)
-{
- if (is_mcs_rate(rspec))
- return mimoframe;
- return is_cck_rate(rspec) ? FT_CCK : FT_OFDM;
-}
+/* chip rx buffer offset */
+#define BRCMS_HWRXOFF 38
/* rfdisable delay timer 500 ms, runs of ALP clock */
-#define RFDISABLE_DEFAULT 10000000
+#define RFDISABLE_DEFAULT 10000000
#define BRCMS_TEMPSENSE_PERIOD 10 /* 10 second timeout */
@@ -194,87 +143,83 @@ static u16 frametype(u32 rspec, u8 mimoframe)
* These constants are used ONLY by wlc_prio2prec_map. Do not use them
* elsewhere.
*/
-#define _BRCMS_PREC_NONE 0 /* None = - */
-#define _BRCMS_PREC_BK 2 /* BK - Background */
-#define _BRCMS_PREC_BE 4 /* BE - Best-effort */
-#define _BRCMS_PREC_EE 6 /* EE - Excellent-effort */
-#define _BRCMS_PREC_CL 8 /* CL - Controlled Load */
-#define _BRCMS_PREC_VI 10 /* Vi - Video */
-#define _BRCMS_PREC_VO 12 /* Vo - Voice */
-#define _BRCMS_PREC_NC 14 /* NC - Network Control */
-
-/* The BSS is generating beacons in HW */
-#define BRCMS_BSSCFG_HW_BCN 0x20
-
-#define SYNTHPU_DLY_APHY_US 3700 /* a phy synthpu_dly time in us */
-#define SYNTHPU_DLY_BPHY_US 1050 /* b/g phy synthpu_dly time in us */
-#define SYNTHPU_DLY_NPHY_US 2048 /* n phy REV3 synthpu_dly time in us */
-#define SYNTHPU_DLY_LPPHY_US 300 /* lpphy synthpu_dly time in us */
-
-#define SYNTHPU_DLY_PHY_US_QT 100 /* QT synthpu_dly time in us */
-
-#define ANTCNT 10 /* vanilla M_MAX_ANTCNT value */
+#define _BRCMS_PREC_NONE 0 /* None = - */
+#define _BRCMS_PREC_BK 2 /* BK - Background */
+#define _BRCMS_PREC_BE 4 /* BE - Best-effort */
+#define _BRCMS_PREC_EE 6 /* EE - Excellent-effort */
+#define _BRCMS_PREC_CL 8 /* CL - Controlled Load */
+#define _BRCMS_PREC_VI 10 /* Vi - Video */
+#define _BRCMS_PREC_VO 12 /* Vo - Voice */
+#define _BRCMS_PREC_NC 14 /* NC - Network Control */
+
+/* synthpu_dly times in us */
+#define SYNTHPU_DLY_APHY_US 3700
+#define SYNTHPU_DLY_BPHY_US 1050
+#define SYNTHPU_DLY_NPHY_US 2048
+#define SYNTHPU_DLY_LPPHY_US 300
+
+#define ANTCNT 10 /* vanilla M_MAX_ANTCNT val */
/* Per-AC retry limit register definitions; uses defs.h bitfield macros */
-#define EDCF_SHORT_S 0
-#define EDCF_SFB_S 4
-#define EDCF_LONG_S 8
-#define EDCF_LFB_S 12
-#define EDCF_SHORT_M BITFIELD_MASK(4)
-#define EDCF_SFB_M BITFIELD_MASK(4)
-#define EDCF_LONG_M BITFIELD_MASK(4)
-#define EDCF_LFB_M BITFIELD_MASK(4)
+#define EDCF_SHORT_S 0
+#define EDCF_SFB_S 4
+#define EDCF_LONG_S 8
+#define EDCF_LFB_S 12
+#define EDCF_SHORT_M BITFIELD_MASK(4)
+#define EDCF_SFB_M BITFIELD_MASK(4)
+#define EDCF_LONG_M BITFIELD_MASK(4)
+#define EDCF_LFB_M BITFIELD_MASK(4)
-#define RETRY_SHORT_DEF 7 /* Default Short retry Limit */
-#define RETRY_SHORT_MAX 255 /* Maximum Short retry Limit */
-#define RETRY_LONG_DEF 4 /* Default Long retry count */
-#define RETRY_SHORT_FB 3 /* Short count for fallback rate */
-#define RETRY_LONG_FB 2 /* Long count for fallback rate */
+#define RETRY_SHORT_DEF 7 /* Default Short retry Limit */
+#define RETRY_SHORT_MAX 255 /* Maximum Short retry Limit */
+#define RETRY_LONG_DEF 4 /* Default Long retry count */
+#define RETRY_SHORT_FB 3 /* Short count for fb rate */
+#define RETRY_LONG_FB 2 /* Long count for fb rate */
-#define APHY_CWMIN 15
-#define PHY_CWMAX 1023
+#define APHY_CWMIN 15
+#define PHY_CWMAX 1023
-#define EDCF_AIFSN_MIN 1
+#define EDCF_AIFSN_MIN 1
-#define FRAGNUM_MASK 0xF
+#define FRAGNUM_MASK 0xF
-#define APHY_SLOT_TIME 9
-#define BPHY_SLOT_TIME 20
+#define APHY_SLOT_TIME 9
+#define BPHY_SLOT_TIME 20
-#define WL_SPURAVOID_OFF 0
-#define WL_SPURAVOID_ON1 1
-#define WL_SPURAVOID_ON2 2
+#define WL_SPURAVOID_OFF 0
+#define WL_SPURAVOID_ON1 1
+#define WL_SPURAVOID_ON2 2
/* invalid core flags, use the saved coreflags */
-#define BRCMS_USE_COREFLAGS 0xffffffff
+#define BRCMS_USE_COREFLAGS 0xffffffff
/* values for PLCPHdr_override */
-#define BRCMS_PLCP_AUTO -1
-#define BRCMS_PLCP_SHORT 0
-#define BRCMS_PLCP_LONG 1
+#define BRCMS_PLCP_AUTO -1
+#define BRCMS_PLCP_SHORT 0
+#define BRCMS_PLCP_LONG 1
/* values for g_protection_override and n_protection_override */
#define BRCMS_PROTECTION_AUTO -1
#define BRCMS_PROTECTION_OFF 0
#define BRCMS_PROTECTION_ON 1
#define BRCMS_PROTECTION_MMHDR_ONLY 2
-#define BRCMS_PROTECTION_CTS_ONLY 3
+#define BRCMS_PROTECTION_CTS_ONLY 3
/* values for g_protection_control and n_protection_control */
-#define BRCMS_PROTECTION_CTL_OFF 0
+#define BRCMS_PROTECTION_CTL_OFF 0
#define BRCMS_PROTECTION_CTL_LOCAL 1
#define BRCMS_PROTECTION_CTL_OVERLAP 2
/* values for n_protection */
#define BRCMS_N_PROTECTION_OFF 0
#define BRCMS_N_PROTECTION_OPTIONAL 1
-#define BRCMS_N_PROTECTION_20IN40 2
+#define BRCMS_N_PROTECTION_20IN40 2
#define BRCMS_N_PROTECTION_MIXEDMODE 3
/* values for band specific 40MHz capabilities */
-#define BRCMS_N_BW_20ALL 0
-#define BRCMS_N_BW_40ALL 1
-#define BRCMS_N_BW_20IN2G_40IN5G 2
+#define BRCMS_N_BW_20ALL 0
+#define BRCMS_N_BW_40ALL 1
+#define BRCMS_N_BW_20IN2G_40IN5G 2
/* bitflags for SGI support (sgi_rx iovar) */
#define BRCMS_N_SGI_20 0x01
@@ -282,48 +227,42 @@ static u16 frametype(u32 rspec, u8 mimoframe)
/* defines used by the nrate iovar */
/* MSC in use,indicates b0-6 holds an mcs */
-#define NRATE_MCS_INUSE 0x00000080
+#define NRATE_MCS_INUSE 0x00000080
/* rate/mcs value */
-#define NRATE_RATE_MASK 0x0000007f
+#define NRATE_RATE_MASK 0x0000007f
/* stf mode mask: siso, cdd, stbc, sdm */
-#define NRATE_STF_MASK 0x0000ff00
+#define NRATE_STF_MASK 0x0000ff00
/* stf mode shift */
-#define NRATE_STF_SHIFT 8
-/* bit indicates override both rate & mode */
-#define NRATE_OVERRIDE 0x80000000
+#define NRATE_STF_SHIFT 8
/* bit indicate to override mcs only */
-#define NRATE_OVERRIDE_MCS_ONLY 0x40000000
-#define NRATE_SGI_MASK 0x00800000 /* sgi mode */
-#define NRATE_SGI_SHIFT 23 /* sgi mode */
-#define NRATE_LDPC_CODING 0x00400000 /* bit indicates adv coding in use */
-#define NRATE_LDPC_SHIFT 22 /* ldpc shift */
+#define NRATE_OVERRIDE_MCS_ONLY 0x40000000
+#define NRATE_SGI_MASK 0x00800000 /* sgi mode */
+#define NRATE_SGI_SHIFT 23 /* sgi mode */
+#define NRATE_LDPC_CODING 0x00400000 /* adv coding in use */
+#define NRATE_LDPC_SHIFT 22 /* ldpc shift */
-#define NRATE_STF_SISO 0 /* stf mode SISO */
-#define NRATE_STF_CDD 1 /* stf mode CDD */
-#define NRATE_STF_STBC 2 /* stf mode STBC */
-#define NRATE_STF_SDM 3 /* stf mode SDM */
+#define NRATE_STF_SISO 0 /* stf mode SISO */
+#define NRATE_STF_CDD 1 /* stf mode CDD */
+#define NRATE_STF_STBC 2 /* stf mode STBC */
+#define NRATE_STF_SDM 3 /* stf mode SDM */
-#define MAX_DMA_SEGS 4
+#define MAX_DMA_SEGS 4
/* Max # of entries in Tx FIFO based on 4kb page size */
-#define NTXD 256
+#define NTXD 256
/* Max # of entries in Rx FIFO based on 4kb page size */
-#define NRXD 256
+#define NRXD 256
/* try to keep this # rbufs posted to the chip */
-#define NRXBUFPOST 32
+#define NRXBUFPOST 32
/* data msg txq hiwat mark */
-#define BRCMS_DATAHIWAT 50
+#define BRCMS_DATAHIWAT 50
-/* bounded rx loops */
-#define RXBND 8 /* max # frames to process in brcms_c_recv() */
-#define TXSBND 8 /* max # tx status to process in wlc_txstatus() */
-
-/*
- * 32 SSID chars, max of 4 chars for each SSID char "\xFF", plus NULL.
- */
-#define SSID_FMT_BUF_LEN ((4 * IEEE80211_MAX_SSID_LEN) + 1)
+/* max # frames to process in brcms_c_recv() */
+#define RXBND 8
+/* max # tx status to process in wlc_txstatus() */
+#define TXSBND 8
/* brcmu_format_flags() bit description structure */
struct brcms_c_bit_desc {
@@ -405,13 +344,6 @@ static const u16 xmtfifo_sz[][NFIFO] = {
{9, 58, 22, 14, 14, 5},
};
-static const u8 acbitmap2maxprio[] = {
- PRIO_8021D_BE, PRIO_8021D_BE, PRIO_8021D_BK, PRIO_8021D_BK,
- PRIO_8021D_VI, PRIO_8021D_VI, PRIO_8021D_VI, PRIO_8021D_VI,
- PRIO_8021D_VO, PRIO_8021D_VO, PRIO_8021D_VO, PRIO_8021D_VO,
- PRIO_8021D_VO, PRIO_8021D_VO, PRIO_8021D_VO, PRIO_8021D_VO
-};
-
#ifdef BCMDBG
static const char * const fifo_names[] = {
"AC_BK", "AC_BE", "AC_VI", "AC_VO", "BCMC", "ATIM" };
@@ -424,6 +356,22 @@ static const char fifo_names[6][0];
static struct brcms_c_info *wlc_info_dbg = (struct brcms_c_info *) (NULL);
#endif
+/* Find basic rate for a given rate */
+static u8 brcms_basic_rate(struct brcms_c_info *wlc, u32 rspec)
+{
+ if (is_mcs_rate(rspec))
+ return wlc->band->basic_rate[mcs_table[rspec & RSPEC_RATE_MASK]
+ .leg_ofdm];
+ return wlc->band->basic_rate[rspec & RSPEC_RATE_MASK];
+}
+
+static u16 frametype(u32 rspec, u8 mimoframe)
+{
+ if (is_mcs_rate(rspec))
+ return mimoframe;
+ return is_cck_rate(rspec) ? FT_CCK : FT_OFDM;
+}
+
/* currently the best mechanism for determining SIFS is the band in use */
static u16 get_sifs(struct brcms_band *band)
{