Author: adrian
Date: Mon Feb 20 02:08:08 2017
New Revision: 313977
URL: https://svnweb.freebsd.org/changeset/base/313977
Log:
[net80211] RX parameter shuffle in net80211 in preparation for 4x4 NICs and
160MHz channels.
* Migrate the rx_params stuff out from ieee80211_freebsd.h where it doesn't
belong -
this isn't freebsd specific anymore.
* Don't use a hard-coded number of chains in the ioctl header; now we can
shuffle
MAX_CHAINS around so it can be used in the right spot.
* Extend the signal/noisefloor levels in the mimo stats struct to userland to
include
the signal and noisefloor levels for each 20MHz slice of a 160MHz channel.
* Bump the number of EVM pilots in preparation for 4x4 and 160MHz channels.
Tested:
* ath(4), STA mode
* iwn(4), STA mode
* local ath10k port, STA mode
TODO:
* 11ax chips will come with 5GHz 8x8 hardware for lots of MU-MIMO - I'll
re-bump it
at that point.
Note:
* This breaks the driver and ifconfig ABI; please recompile the kernel,
ifconfig and wpa_supplicant/hostapd.
Modified:
head/sbin/ifconfig/ifieee80211.c
head/sys/dev/iwn/if_iwn.c
head/sys/dev/mwl/if_mwl.c
head/sys/net80211/_ieee80211.h
head/sys/net80211/ieee80211_freebsd.h
head/sys/net80211/ieee80211_node.c
Modified: head/sbin/ifconfig/ifieee80211.c
==============================================================================
--- head/sbin/ifconfig/ifieee80211.c Mon Feb 20 01:45:12 2017
(r313976)
+++ head/sbin/ifconfig/ifieee80211.c Mon Feb 20 02:08:08 2017
(r313977)
@@ -3449,13 +3449,30 @@ printies(const u_int8_t *vp, int ielen,
static void
printmimo(const struct ieee80211_mimo_info *mi)
{
- /* NB: don't muddy display unless there's something to show */
- if (mi->rssi[0] != 0 || mi->rssi[1] != 0 || mi->rssi[2] != 0) {
- /* XXX ignore EVM for now */
- printf(" (rssi %.1f:%.1f:%.1f nf %d:%d:%d)",
- mi->rssi[0] / 2.0, mi->rssi[1] / 2.0, mi->rssi[2] / 2.0,
- mi->noise[0], mi->noise[1], mi->noise[2]);
+ int i;
+ int r = 0;
+
+ for (i = 0; i < IEEE80211_MAX_CHAINS; i++) {
+ if (mi->ch[i].rssi != 0) {
+ r = 1;
+ break;
+ }
}
+
+ /* NB: don't muddy display unless there's something to show */
+ if (r == 0)
+ return;
+
+ /* XXX TODO: ignore EVM; secondary channels for now */
+ printf(" (rssi %.1f:%.1f:%.1f:%.1f nf %d:%d:%d:%d)",
+ mi->ch[0].rssi[0] / 2.0,
+ mi->ch[1].rssi[0] / 2.0,
+ mi->ch[2].rssi[0] / 2.0,
+ mi->ch[3].rssi[0] / 2.0,
+ mi->ch[0].noise[0],
+ mi->ch[1].noise[0],
+ mi->ch[2].noise[0],
+ mi->ch[3].noise[0]);
}
static void
Modified: head/sys/dev/iwn/if_iwn.c
==============================================================================
--- head/sys/dev/iwn/if_iwn.c Mon Feb 20 01:45:12 2017 (r313976)
+++ head/sys/dev/iwn/if_iwn.c Mon Feb 20 02:08:08 2017 (r313977)
@@ -4402,6 +4402,13 @@ iwn_tx_data(struct iwn_softc *sc, struct
tid = 0;
}
ac = M_WME_GETAC(m);
+
+ /*
+ * XXX TODO: Group addressed frames aren't aggregated and must
+ * go to the normal non-aggregation queue, and have a NONQOS TID
+ * assigned from net80211.
+ */
+
if (m->m_flags & M_AMPDU_MPDU) {
uint16_t seqno;
struct ieee80211_tx_ampdu *tap = &ni->ni_tx_ampdu[ac];
Modified: head/sys/dev/mwl/if_mwl.c
==============================================================================
--- head/sys/dev/mwl/if_mwl.c Mon Feb 20 01:45:12 2017 (r313976)
+++ head/sys/dev/mwl/if_mwl.c Mon Feb 20 02:08:08 2017 (r313977)
@@ -2434,13 +2434,13 @@ mwl_node_getmimoinfo(const struct ieee80
if (mn->mn_ai.rssi_c > rssi_max)
rssi_max = mn->mn_ai.rssi_c;
- CVT(mi->rssi[0], mn->mn_ai.rssi_a);
- CVT(mi->rssi[1], mn->mn_ai.rssi_b);
- CVT(mi->rssi[2], mn->mn_ai.rssi_c);
-
- mi->noise[0] = mn->mn_ai.nf_a;
- mi->noise[1] = mn->mn_ai.nf_b;
- mi->noise[2] = mn->mn_ai.nf_c;
+ CVT(mi->ch[0].rssi[0], mn->mn_ai.rssi_a);
+ CVT(mi->ch[1].rssi[0], mn->mn_ai.rssi_b);
+ CVT(mi->ch[2].rssi[0], mn->mn_ai.rssi_c);
+
+ mi->ch[0].noise[0] = mn->mn_ai.nf_a;
+ mi->ch[1].noise[0] = mn->mn_ai.nf_b;
+ mi->ch[2].noise[0] = mn->mn_ai.nf_c;
#undef CVT
}
Modified: head/sys/net80211/_ieee80211.h
==============================================================================
--- head/sys/net80211/_ieee80211.h Mon Feb 20 01:45:12 2017
(r313976)
+++ head/sys/net80211/_ieee80211.h Mon Feb 20 02:08:08 2017
(r313977)
@@ -443,17 +443,26 @@ struct ieee80211_regdomain {
/*
* MIMO antenna/radio state.
*/
-
+#define IEEE80211_MAX_CHAINS 4
/*
- * XXX This doesn't yet export both ctl/ext chain details
- * XXX TODO: IEEE80211_MAX_CHAINS is defined in _freebsd.h, not here;
- * figure out how to pull it in!
+ * This is the number of sub-channels for a channel.
+ * 0 - pri20
+ * 1 - sec20 (HT40, VHT40)
+ * 2 - sec40 (VHT80)
+ * 3 - sec80 (VHT80+80, VHT160)
*/
+#define IEEE80211_MAX_CHAIN_PRISEC 4
+#define IEEE80211_MAX_EVM_DWORDS 16 /* 16 pilots, 4 chains
*/
+#define IEEE80211_MAX_EVM_PILOTS 16 /* 468 subcarriers, 16
pilots */
+
+struct ieee80211_mimo_chan_info {
+ int8_t rssi[IEEE80211_MAX_CHAIN_PRISEC];
+ int8_t noise[IEEE80211_MAX_CHAIN_PRISEC];
+};
+
struct ieee80211_mimo_info {
- int8_t rssi[3]; /* per-antenna rssi */
- int8_t noise[3]; /* per-antenna noise floor */
- uint8_t pad[2];
- uint32_t evm[3]; /* EVM data */
+ struct ieee80211_mimo_chan_info ch[IEEE80211_MAX_CHAINS];
+ uint32_t evm[IEEE80211_MAX_EVM_DWORDS];
};
/*
@@ -523,4 +532,94 @@ struct ieee80211_mimo_info {
"\20\1LDPC\2CHWIDTH40\5GREENFIELD\6SHORTGI20\7SHORTGI40\10TXSTBC" \
"\21AMPDU\22AMSDU\23HT\24SMPS\25RIFS\32TXLDPC"
+/*
+ * RX status notification - which fields are valid.
+ */
+#define IEEE80211_R_NF 0x00000001 /* global NF value
valid */
+#define IEEE80211_R_RSSI 0x00000002 /* global RSSI value
valid */
+#define IEEE80211_R_C_CHAIN 0x00000004 /* RX chain count valid
*/
+#define IEEE80211_R_C_NF 0x00000008 /* per-chain NF value
valid */
+#define IEEE80211_R_C_RSSI 0x00000010 /* per-chain RSSI value
valid */
+#define IEEE80211_R_C_EVM 0x00000020 /* per-chain EVM valid
*/
+#define IEEE80211_R_C_HT40 0x00000040 /* RX'ed packet is
40mhz, pilots 4,5 valid */
+#define IEEE80211_R_FREQ 0x00000080 /* Freq value
populated, MHz */
+#define IEEE80211_R_IEEE 0x00000100 /* IEEE value populated
*/
+#define IEEE80211_R_BAND 0x00000200 /* Frequency band
populated */
+#define IEEE80211_R_TSF32 0x00004000 /* 32 bit TSF */
+#define IEEE80211_R_TSF64 0x00008000 /* 64 bit TSF */
+#define IEEE80211_R_TSF_START 0x00010000 /* TSF is sampled at
start of frame */
+#define IEEE80211_R_TSF_END 0x00020000 /* TSF is sampled at
end of frame */
+
+/*
+ * RX status notification - describe the packet.
+ */
+#define IEEE80211_RX_F_STBC 0x00000001
+#define IEEE80211_RX_F_LDPC 0x00000002
+#define IEEE80211_RX_F_AMSDU 0x00000004 /* This is the start
of an decap AMSDU list */
+#define IEEE80211_RX_F_AMSDU_MORE 0x00000008 /* This is another
decap AMSDU frame in the batch */
+#define IEEE80211_RX_F_AMPDU 0x00000010 /* This is the start
of an decap AMPDU list */
+#define IEEE80211_RX_F_AMPDU_MORE 0x00000020 /* This is another
decap AMPDU frame in the batch */
+#define IEEE80211_RX_F_FAIL_FCSCRC 0x00000040 /* Failed CRC/FCS */
+#define IEEE80211_RX_F_FAIL_MIC 0x00000080 /* Failed MIC check
*/
+#define IEEE80211_RX_F_DECRYPTED 0x00000100 /* Hardware
decrypted */
+#define IEEE80211_RX_F_IV_STRIP 0x00000200 /* Decrypted; IV
stripped */
+#define IEEE80211_RX_F_MMIC_STRIP 0x00000400 /* Decrypted; MMIC
stripped */
+#define IEEE80211_RX_F_SHORTGI 0x00000800 /* This is a
short-GI frame */
+#define IEEE80211_RX_F_CCK 0x00001000
+#define IEEE80211_RX_F_OFDM 0x00002000
+#define IEEE80211_RX_F_HT 0x00004000
+#define IEEE80211_RX_F_VHT 0x00008000
+
+/* Channel width */
+#define IEEE80211_RX_FW_20MHZ 1
+#define IEEE80211_RX_FW_40MHZ 2
+#define IEEE80211_RX_FW_80MHZ 3
+
+/* PHY type */
+#define IEEE80211_RX_FP_11B 1
+#define IEEE80211_RX_FP_11G 2
+#define IEEE80211_RX_FP_11A 3
+#define IEEE80211_RX_FP_11NA 4
+#define IEEE80211_RX_FP_11NG 5
+
+struct ieee80211_rx_stats {
+ uint32_t r_flags; /* IEEE80211_R_* flags */
+ uint32_t c_pktflags; /* IEEE80211_RX_F_* flags */
+
+ uint64_t c_rx_tsf; /* 32 or 64 bit TSF */
+
+ /* All DWORD aligned */
+ int16_t c_nf_ctl[IEEE80211_MAX_CHAINS]; /* per-chain NF */
+ int16_t c_nf_ext[IEEE80211_MAX_CHAINS]; /* per-chain NF */
+ int16_t c_rssi_ctl[IEEE80211_MAX_CHAINS]; /* per-chain RSSI */
+ int16_t c_rssi_ext[IEEE80211_MAX_CHAINS]; /* per-chain RSSI */
+
+ /* 32 bits */
+ uint8_t c_nf; /* global NF */
+ uint8_t c_rssi; /* global RSSI */
+ uint8_t c_chain; /* number of RX chains involved */
+ uint8_t c_rate; /* legacy; 11n rate code; VHT MCS */
+
+ /* 32 bits */
+ uint16_t c_freq; /* Frequency, MHz */
+ uint8_t c_ieee; /* Channel */
+ uint8_t c_width; /* channel width, FW flags above */
+
+ /* Force alignment to DWORD */
+ union {
+ uint8_t evm[IEEE80211_MAX_CHAINS][IEEE80211_MAX_EVM_PILOTS];
+ /* per-chain, per-pilot EVM values */
+ uint32_t __aln[8];
+ } evm;
+
+ /* 32 bits */
+ uint8_t c_phytype; /* PHY type, FW flags above */
+ uint8_t c_vhtnss; /* VHT - number of spatial streams */
+ uint8_t c_pad2[2];
+};
+
+struct ieee80211_rx_params {
+ struct ieee80211_rx_stats params;
+};
+
#endif /* _NET80211__IEEE80211_H_ */
Modified: head/sys/net80211/ieee80211_freebsd.h
==============================================================================
--- head/sys/net80211/ieee80211_freebsd.h Mon Feb 20 01:45:12 2017
(r313976)
+++ head/sys/net80211/ieee80211_freebsd.h Mon Feb 20 02:08:08 2017
(r313977)
@@ -622,98 +622,9 @@ int ieee80211_add_xmit_params(struct mbu
int ieee80211_get_xmit_params(struct mbuf *m,
struct ieee80211_bpf_params *);
-/*
- * Note: this is fine for 3x3 (and 4x4) 11n HT40;
- * but getting EVM information for VHT80, VHT160
- * will involve more than 6 EVM pilots.
- */
-#define IEEE80211_MAX_CHAINS 4
-#define IEEE80211_MAX_EVM_PILOTS 6
+struct ieee80211_rx_params;
+struct ieee80211_rx_stats;
-#define IEEE80211_R_NF 0x00000001 /* global NF value
valid */
-#define IEEE80211_R_RSSI 0x00000002 /* global RSSI value
valid */
-#define IEEE80211_R_C_CHAIN 0x00000004 /* RX chain count valid
*/
-#define IEEE80211_R_C_NF 0x00000008 /* per-chain NF value
valid */
-#define IEEE80211_R_C_RSSI 0x00000010 /* per-chain RSSI value
valid */
-#define IEEE80211_R_C_EVM 0x00000020 /* per-chain EVM valid
*/
-#define IEEE80211_R_C_HT40 0x00000040 /* RX'ed packet is
40mhz, pilots 4,5 valid */
-#define IEEE80211_R_FREQ 0x00000080 /* Freq value
populated, MHz */
-#define IEEE80211_R_IEEE 0x00000100 /* IEEE value populated
*/
-#define IEEE80211_R_BAND 0x00000200 /* Frequency band
populated */
-#define IEEE80211_R_TSF32 0x00004000 /* 32 bit TSF */
-#define IEEE80211_R_TSF64 0x00008000 /* 64 bit TSF */
-#define IEEE80211_R_TSF_START 0x00010000 /* TSF is sampled at
start of frame */
-#define IEEE80211_R_TSF_END 0x00020000 /* TSF is sampled at
end of frame */
-
-/* RX packet flags - describe the kind of frame */
-#define IEEE80211_RX_F_STBC 0x00000001
-#define IEEE80211_RX_F_LDPC 0x00000002
-#define IEEE80211_RX_F_AMSDU 0x00000004 /* This is the start
of an decap AMSDU list */
-#define IEEE80211_RX_F_AMSDU_MORE 0x00000008 /* This is another
decap AMSDU frame in the batch */
-#define IEEE80211_RX_F_AMPDU 0x00000010 /* This is the start
of an decap AMPDU list */
-#define IEEE80211_RX_F_AMPDU_MORE 0x00000020 /* This is another
decap AMPDU frame in the batch */
-#define IEEE80211_RX_F_FAIL_FCSCRC 0x00000040 /* Failed CRC/FCS */
-#define IEEE80211_RX_F_FAIL_MIC 0x00000080 /* Failed MIC check
*/
-#define IEEE80211_RX_F_DECRYPTED 0x00000100 /* Hardware
decrypted */
-#define IEEE80211_RX_F_IV_STRIP 0x00000200 /* Decrypted; IV
stripped */
-#define IEEE80211_RX_F_MMIC_STRIP 0x00000400 /* Decrypted; MMIC
stripped */
-#define IEEE80211_RX_F_SHORTGI 0x00000800 /* This is a
short-GI frame */
-#define IEEE80211_RX_F_CCK 0x00001000
-#define IEEE80211_RX_F_OFDM 0x00002000
-#define IEEE80211_RX_F_HT 0x00004000
-#define IEEE80211_RX_F_VHT 0x00008000
-
-/* Channel width */
-#define IEEE80211_RX_FW_20MHZ 1
-#define IEEE80211_RX_FW_40MHZ 2
-#define IEEE80211_RX_FW_80MHZ 3
-
-/* PHY type */
-#define IEEE80211_RX_FP_11B 1
-#define IEEE80211_RX_FP_11G 2
-#define IEEE80211_RX_FP_11A 3
-#define IEEE80211_RX_FP_11NA 4
-#define IEEE80211_RX_FP_11NG 5
-
-struct ieee80211_rx_stats {
- uint32_t r_flags; /* IEEE80211_R_* flags */
- uint32_t c_pktflags; /* IEEE80211_RX_F_* flags */
-
- uint64_t c_rx_tsf; /* 32 or 64 bit TSF */
-
- /* All DWORD aligned */
- int16_t c_nf_ctl[IEEE80211_MAX_CHAINS]; /* per-chain NF */
- int16_t c_nf_ext[IEEE80211_MAX_CHAINS]; /* per-chain NF */
- int16_t c_rssi_ctl[IEEE80211_MAX_CHAINS]; /* per-chain RSSI */
- int16_t c_rssi_ext[IEEE80211_MAX_CHAINS]; /* per-chain RSSI */
-
- /* 32 bits */
- uint8_t c_nf; /* global NF */
- uint8_t c_rssi; /* global RSSI */
- uint8_t c_chain; /* number of RX chains involved */
- uint8_t c_rate; /* legacy; 11n rate code; VHT MCS */
-
- /* 32 bits */
- uint16_t c_freq; /* Frequency, MHz */
- uint8_t c_ieee; /* Channel */
- uint8_t c_width; /* channel width, FW flags above */
-
- /* Force alignment to DWORD */
- union {
- uint8_t evm[IEEE80211_MAX_CHAINS][IEEE80211_MAX_EVM_PILOTS];
- /* per-chain, per-pilot EVM values */
- uint32_t __aln[8];
- } evm;
-
- /* 32 bits */
- uint8_t c_phytype; /* PHY type, FW flags above */
- uint8_t c_vhtnss; /* VHT - number of spatial streams */
- uint8_t c_pad2[2];
-};
-
-struct ieee80211_rx_params {
- struct ieee80211_rx_stats params;
-};
int ieee80211_add_rx_params(struct mbuf *m,
const struct ieee80211_rx_stats *rxs);
int ieee80211_get_rx_params(struct mbuf *m,
Modified: head/sys/net80211/ieee80211_node.c
==============================================================================
--- head/sys/net80211/ieee80211_node.c Mon Feb 20 01:45:12 2017
(r313976)
+++ head/sys/net80211/ieee80211_node.c Mon Feb 20 02:08:08 2017
(r313977)
@@ -1318,15 +1318,16 @@ node_getmimoinfo(const struct ieee80211_
bzero(info, sizeof(*info));
- for (i = 0; i < ni->ni_mimo_chains; i++) {
+ for (i = 0; i < MIN(IEEE80211_MAX_CHAINS, ni->ni_mimo_chains); i++) {
+ /* Note: for now, just pri20 channel info */
avgrssi = ni->ni_mimo_rssi_ctl[i];
if (avgrssi == IEEE80211_RSSI_DUMMY_MARKER) {
- info->rssi[i] = 0;
+ info->ch[i].rssi[0] = 0;
} else {
rssi = IEEE80211_RSSI_GET(avgrssi);
- info->rssi[i] = rssi < 0 ? 0 : rssi > 127 ? 127 : rssi;
+ info->ch[i].rssi[0] = rssi < 0 ? 0 : rssi > 127 ? 127 :
rssi;
}
- info->noise[i] = ni->ni_mimo_noise_ctl[i];
+ info->ch[i].noise[0] = ni->ni_mimo_noise_ctl[i];
}
/* XXX ext radios? */
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