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author | Linus Torvalds <torvalds@linux-foundation.org> | 2020-12-16 00:22:29 +0300 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2020-12-16 00:22:29 +0300 |
commit | d635a69dd4981cc51f90293f5f64268620ed1565 (patch) | |
tree | 5e0a758b402ea7d624c25c3a343545dd29e80f31 /drivers/net/wireless/mediatek/mt76/mt7915/eeprom.c | |
parent | ac73e3dc8acd0a3be292755db30388c3580f5674 (diff) | |
parent | efd5a1584537698220578227e6467638307c2a0b (diff) | |
download | linux-d635a69dd4981cc51f90293f5f64268620ed1565.tar.xz |
Merge tag 'net-next-5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
Pull networking updates from Jakub Kicinski:
"Core:
- support "prefer busy polling" NAPI operation mode, where we defer
softirq for some time expecting applications to periodically busy
poll
- AF_XDP: improve efficiency by more batching and hindering the
adjacency cache prefetcher
- af_packet: make packet_fanout.arr size configurable up to 64K
- tcp: optimize TCP zero copy receive in presence of partial or
unaligned reads making zero copy a performance win for much smaller
messages
- XDP: add bulk APIs for returning / freeing frames
- sched: support fragmenting IP packets as they come out of conntrack
- net: allow virtual netdevs to forward UDP L4 and fraglist GSO skbs
BPF:
- BPF switch from crude rlimit-based to memcg-based memory accounting
- BPF type format information for kernel modules and related tracing
enhancements
- BPF implement task local storage for BPF LSM
- allow the FENTRY/FEXIT/RAW_TP tracing programs to use
bpf_sk_storage
Protocols:
- mptcp: improve multiple xmit streams support, memory accounting and
many smaller improvements
- TLS: support CHACHA20-POLY1305 cipher
- seg6: add support for SRv6 End.DT4/DT6 behavior
- sctp: Implement RFC 6951: UDP Encapsulation of SCTP
- ppp_generic: add ability to bridge channels directly
- bridge: Connectivity Fault Management (CFM) support as is defined
in IEEE 802.1Q section 12.14.
Drivers:
- mlx5: make use of the new auxiliary bus to organize the driver
internals
- mlx5: more accurate port TX timestamping support
- mlxsw:
- improve the efficiency of offloaded next hop updates by using
the new nexthop object API
- support blackhole nexthops
- support IEEE 802.1ad (Q-in-Q) bridging
- rtw88: major bluetooth co-existance improvements
- iwlwifi: support new 6 GHz frequency band
- ath11k: Fast Initial Link Setup (FILS)
- mt7915: dual band concurrent (DBDC) support
- net: ipa: add basic support for IPA v4.5
Refactor:
- a few pieces of in_interrupt() cleanup work from Sebastian Andrzej
Siewior
- phy: add support for shared interrupts; get rid of multiple driver
APIs and have the drivers write a full IRQ handler, slight growth
of driver code should be compensated by the simpler API which also
allows shared IRQs
- add common code for handling netdev per-cpu counters
- move TX packet re-allocation from Ethernet switch tag drivers to a
central place
- improve efficiency and rename nla_strlcpy
- number of W=1 warning cleanups as we now catch those in a patchwork
build bot
Old code removal:
- wan: delete the DLCI / SDLA drivers
- wimax: move to staging
- wifi: remove old WDS wifi bridging support"
* tag 'net-next-5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1922 commits)
net: hns3: fix expression that is currently always true
net: fix proc_fs init handling in af_packet and tls
nfc: pn533: convert comma to semicolon
af_vsock: Assign the vsock transport considering the vsock address flags
af_vsock: Set VMADDR_FLAG_TO_HOST flag on the receive path
vsock_addr: Check for supported flag values
vm_sockets: Add VMADDR_FLAG_TO_HOST vsock flag
vm_sockets: Add flags field in the vsock address data structure
net: Disable NETIF_F_HW_TLS_TX when HW_CSUM is disabled
tcp: Add logic to check for SYN w/ data in tcp_simple_retransmit
net: mscc: ocelot: install MAC addresses in .ndo_set_rx_mode from process context
nfc: s3fwrn5: Release the nfc firmware
net: vxget: clean up sparse warnings
mlxsw: spectrum_router: Use eXtended mezzanine to offload IPv4 router
mlxsw: spectrum: Set KVH XLT cache mode for Spectrum2/3
mlxsw: spectrum_router_xm: Introduce basic XM cache flushing
mlxsw: reg: Add Router LPM Cache Enable Register
mlxsw: reg: Add Router LPM Cache ML Delete Register
mlxsw: spectrum_router_xm: Implement L-value tracking for M-index
mlxsw: reg: Add XM Router M Table Register
...
Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/mt7915/eeprom.c')
-rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt7915/eeprom.c | 64 |
1 files changed, 37 insertions, 27 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.c b/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.c index 7deba7ebd68a..7a2be3f61398 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.c @@ -4,16 +4,11 @@ #include "mt7915.h" #include "eeprom.h" -static inline bool mt7915_efuse_valid(u8 val) -{ - return !(val == 0xff); -} - -u32 mt7915_eeprom_read(struct mt7915_dev *dev, u32 offset) +static u32 mt7915_eeprom_read(struct mt7915_dev *dev, u32 offset) { u8 *data = dev->mt76.eeprom.data; - if (!mt7915_efuse_valid(data[offset])) + if (data[offset] == 0xff) mt7915_mcu_get_eeprom(dev, offset); return data[offset]; @@ -34,10 +29,10 @@ static int mt7915_eeprom_load(struct mt7915_dev *dev) static int mt7915_check_eeprom(struct mt7915_dev *dev) { - u16 val; u8 *eeprom = dev->mt76.eeprom.data; + u16 val; - mt7915_eeprom_read(dev, 0); + mt7915_eeprom_read(dev, MT_EE_CHIP_ID); val = get_unaligned_le16(eeprom); switch (val) { @@ -48,35 +43,50 @@ static int mt7915_check_eeprom(struct mt7915_dev *dev) } } -static void mt7915_eeprom_parse_hw_cap(struct mt7915_dev *dev) +void mt7915_eeprom_parse_band_config(struct mt7915_phy *phy) { - u8 *eeprom = dev->mt76.eeprom.data; - u8 tx_mask, max_nss = 4; - u32 val = mt7915_eeprom_read(dev, MT_EE_WIFI_CONF); + struct mt7915_dev *dev = phy->dev; + bool ext_phy = phy != &dev->phy; + u32 val; + val = mt7915_eeprom_read(dev, MT_EE_WIFI_CONF + ext_phy); val = FIELD_GET(MT_EE_WIFI_CONF_BAND_SEL, val); switch (val) { case MT_EE_5GHZ: - dev->mt76.cap.has_5ghz = true; + phy->mt76->cap.has_5ghz = true; break; case MT_EE_2GHZ: - dev->mt76.cap.has_2ghz = true; + phy->mt76->cap.has_2ghz = true; break; default: - dev->mt76.cap.has_2ghz = true; - dev->mt76.cap.has_5ghz = true; + phy->mt76->cap.has_2ghz = true; + phy->mt76->cap.has_5ghz = true; break; } +} + +static void mt7915_eeprom_parse_hw_cap(struct mt7915_dev *dev) +{ + u8 nss, tx_mask[2] = {}, *eeprom = dev->mt76.eeprom.data; + + mt7915_eeprom_parse_band_config(&dev->phy); /* read tx mask from eeprom */ - tx_mask = FIELD_GET(MT_EE_WIFI_CONF_TX_MASK, - eeprom[MT_EE_WIFI_CONF]); - if (!tx_mask || tx_mask > max_nss) - tx_mask = max_nss; - - dev->chainmask = BIT(tx_mask) - 1; - dev->mphy.antenna_mask = dev->chainmask; - dev->phy.chainmask = dev->chainmask; + tx_mask[0] = FIELD_GET(MT_EE_WIFI_CONF_TX_MASK, + eeprom[MT_EE_WIFI_CONF]); + if (dev->dbdc_support) + tx_mask[1] = FIELD_GET(MT_EE_WIFI_CONF_TX_MASK, + eeprom[MT_EE_WIFI_CONF + 1]); + + nss = tx_mask[0] + tx_mask[1]; + if (!nss || nss > 4) { + tx_mask[0] = 4; + nss = 4; + } + + dev->chainmask = BIT(nss) - 1; + dev->mphy.antenna_mask = BIT(tx_mask[0]) - 1; + dev->phy.chainmask = dev->mphy.antenna_mask; } int mt7915_eeprom_init(struct mt7915_dev *dev) @@ -92,10 +102,10 @@ int mt7915_eeprom_init(struct mt7915_dev *dev) return ret; mt7915_eeprom_parse_hw_cap(dev); - memcpy(dev->mt76.macaddr, dev->mt76.eeprom.data + MT_EE_MAC_ADDR, + memcpy(dev->mphy.macaddr, dev->mt76.eeprom.data + MT_EE_MAC_ADDR, ETH_ALEN); - mt76_eeprom_override(&dev->mt76); + mt76_eeprom_override(&dev->mphy); return 0; } |