From 5b7c4cabbb65f5c469464da6c5f614cbd7f730f2 Mon Sep 17 00:00:00 2001 From: Linus Torvalds Date: Tue, 21 Feb 2023 18:24:12 -0800 Subject: Merge tag 'net-next-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next Pull networking updates from Jakub Kicinski: "Core: - Add dedicated kmem_cache for typical/small skb->head, avoid having to access struct page at kfree time, and improve memory use. - Introduce sysctl to set default RPS configuration for new netdevs. - Define Netlink protocol specification format which can be used to describe messages used by each family and auto-generate parsers. Add tools for generating kernel data structures and uAPI headers. - Expose all net/core sysctls inside netns. - Remove 4s sleep in netpoll if carrier is instantly detected on boot. - Add configurable limit of MDB entries per port, and port-vlan. - Continue populating drop reasons throughout the stack. - Retire a handful of legacy Qdiscs and classifiers. Protocols: - Support IPv4 big TCP (TSO frames larger than 64kB). - Add IP_LOCAL_PORT_RANGE socket option, to control local port range on socket by socket basis. - Track and report in procfs number of MPTCP sockets used. - Support mixing IPv4 and IPv6 flows in the in-kernel MPTCP path manager. - IPv6: don't check net.ipv6.route.max_size and rely on garbage collection to free memory (similarly to IPv4). - Support Penultimate Segment Pop (PSP) flavor in SRv6 (RFC8986). - ICMP: add per-rate limit counters. - Add support for user scanning requests in ieee802154. - Remove static WEP support. - Support minimal Wi-Fi 7 Extremely High Throughput (EHT) rate reporting. - WiFi 7 EHT channel puncturing support (client & AP). BPF: - Add a rbtree data structure following the "next-gen data structure" precedent set by recently added linked list, that is, by using kfunc + kptr instead of adding a new BPF map type. - Expose XDP hints via kfuncs with initial support for RX hash and timestamp metadata. - Add BPF_F_NO_TUNNEL_KEY extension to bpf_skb_set_tunnel_key to better support decap on GRE tunnel devices not operating in collect metadata. - Improve x86 JIT's codegen for PROBE_MEM runtime error checks. - Remove the need for trace_printk_lock for bpf_trace_printk and bpf_trace_vprintk helpers. - Extend libbpf's bpf_tracing.h support for tracing arguments of kprobes/uprobes and syscall as a special case. - Significantly reduce the search time for module symbols by livepatch and BPF. - Enable cpumasks to be used as kptrs, which is useful for tracing programs tracking which tasks end up running on which CPUs in different time intervals. - Add support for BPF trampoline on s390x and riscv64. - Add capability to export the XDP features supported by the NIC. - Add __bpf_kfunc tag for marking kernel functions as kfuncs. - Add cgroup.memory=nobpf kernel parameter option to disable BPF memory accounting for container environments. Netfilter: - Remove the CLUSTERIP target. It has been marked as obsolete for years, and we still have WARN splats wrt races of the out-of-band /proc interface installed by this target. - Add 'destroy' commands to nf_tables. They are identical to the existing 'delete' commands, but do not return an error if the referenced object (set, chain, rule...) did not exist. Driver API: - Improve cpumask_local_spread() locality to help NICs set the right IRQ affinity on AMD platforms. - Separate C22 and C45 MDIO bus transactions more clearly. - Introduce new DCB table to control DSCP rewrite on egress. - Support configuration of Physical Layer Collision Avoidance (PLCA) Reconciliation Sublayer (RS) (802.3cg-2019). Modern version of shared medium Ethernet. - Support for MAC Merge layer (IEEE 802.3-2018 clause 99). Allowing preemption of low priority frames by high priority frames. - Add support for controlling MACSec offload using netlink SET. - Rework devlink instance refcounts to allow registration and de-registration under the instance lock. Split the code into multiple files, drop some of the unnecessarily granular locks and factor out common parts of netlink operation handling. - Add TX frame aggregation parameters (for USB drivers). - Add a new attr TCA_EXT_WARN_MSG to report TC (offload) warning messages with notifications for debug. - Allow offloading of UDP NEW connections via act_ct. - Add support for per action HW stats in TC. - Support hardware miss to TC action (continue processing in SW from a specific point in the action chain). - Warn if old Wireless Extension user space interface is used with modern cfg80211/mac80211 drivers. Do not support Wireless Extensions for Wi-Fi 7 devices at all. Everyone should switch to using nl80211 interface instead. - Improve the CAN bit timing configuration. Use extack to return error messages directly to user space, update the SJW handling, including the definition of a new default value that will benefit CAN-FD controllers, by increasing their oscillator tolerance. New hardware / drivers: - Ethernet: - nVidia BlueField-3 support (control traffic driver) - Ethernet support for imx93 SoCs - Motorcomm yt8531 gigabit Ethernet PHY - onsemi NCN26000 10BASE-T1S PHY (with support for PLCA) - Microchip LAN8841 PHY (incl. cable diagnostics and PTP) - Amlogic gxl MDIO mux - WiFi: - RealTek RTL8188EU (rtl8xxxu) - Qualcomm Wi-Fi 7 devices (ath12k) - CAN: - Renesas R-Car V4H Drivers: - Bluetooth: - Set Per Platform Antenna Gain (PPAG) for Intel controllers. - Ethernet NICs: - Intel (1G, igc): - support TSN / Qbv / packet scheduling features of i226 model - Intel (100G, ice): - use GNSS subsystem instead of TTY - multi-buffer XDP support - extend support for GPIO pins to E823 devices - nVidia/Mellanox: - update the shared buffer configuration on PFC commands - implement PTP adjphase function for HW offset control - TC support for Geneve and GRE with VF tunnel offload - more efficient crypto key management method - multi-port eswitch support - Netronome/Corigine: - add DCB IEEE support - support IPsec offloading for NFP3800 - Freescale/NXP (enetc): - support XDP_REDIRECT for XDP non-linear buffers - improve reconfig, avoid link flap and waiting for idle - support MAC Merge layer - Other NICs: - sfc/ef100: add basic devlink support for ef100 - ionic: rx_push mode operation (writing descriptors via MMIO) - bnxt: use the auxiliary bus abstraction for RDMA - r8169: disable ASPM and reset bus in case of tx timeout - cpsw: support QSGMII mode for J721e CPSW9G - cpts: support pulse-per-second output - ngbe: add an mdio bus driver - usbnet: optimize usbnet_bh() by avoiding unnecessary queuing - r8152: handle devices with FW with NCM support - amd-xgbe: support 10Mbps, 2.5GbE speeds and rx-adaptation - virtio-net: support multi buffer XDP - virtio/vsock: replace virtio_vsock_pkt with sk_buff - tsnep: XDP support - Ethernet high-speed switches: - nVidia/Mellanox (mlxsw): - add support for latency TLV (in FW control messages) - Microchip (sparx5): - separate explicit and implicit traffic forwarding rules, make the implicit rules always active - add support for egress DSCP rewrite - IS0 VCAP support (Ingress Classification) - IS2 VCAP filters (protos, L3 addrs, L4 ports, flags, ToS etc.) - ES2 VCAP support (Egress Access Control) - support for Per-Stream Filtering and Policing (802.1Q, 8.6.5.1) - Ethernet embedded switches: - Marvell (mv88e6xxx): - add MAB (port auth) offload support - enable PTP receive for mv88e6390 - NXP (ocelot): - support MAC Merge layer - support for the the vsc7512 internal copper phys - Microchip: - lan9303: convert to PHYLINK - lan966x: support TC flower filter statistics - lan937x: PTP support for KSZ9563/KSZ8563 and LAN937x - lan937x: support Credit Based Shaper configuration - ksz9477: support Energy Efficient Ethernet - other: - qca8k: convert to regmap read/write API, use bulk operations - rswitch: Improve TX timestamp accuracy - Intel WiFi (iwlwifi): - EHT (Wi-Fi 7) rate reporting - STEP equalizer support: transfer some STEP (connection to radio on platforms with integrated wifi) related parameters from the BIOS to the firmware. - Qualcomm 802.11ax WiFi (ath11k): - IPQ5018 support - Fine Timing Measurement (FTM) responder role support - channel 177 support - MediaTek WiFi (mt76): - per-PHY LED support - mt7996: EHT (Wi-Fi 7) support - Wireless Ethernet Dispatch (WED) reset support - switch to using page pool allocator - RealTek WiFi (rtw89): - support new version of Bluetooth co-existance - Mobile: - rmnet: support TX aggregation" * tag 'net-next-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1872 commits) page_pool: add a comment explaining the fragment counter usage net: ethtool: fix __ethtool_dev_mm_supported() implementation ethtool: pse-pd: Fix double word in comments xsk: add linux/vmalloc.h to xsk.c sefltests: netdevsim: wait for devlink instance after netns removal selftest: fib_tests: Always cleanup before exit net/mlx5e: Align IPsec ASO result memory to be as required by hardware net/mlx5e: TC, Set CT miss to the specific ct action instance net/mlx5e: Rename CHAIN_TO_REG to MAPPED_OBJ_TO_REG net/mlx5: Refactor tc miss handling to a single function net/mlx5: Kconfig: Make tc offload depend on tc skb extension net/sched: flower: Support hardware miss to tc action net/sched: flower: Move filter handle initialization earlier net/sched: cls_api: Support hardware miss to tc action net/sched: Rename user cookie and act cookie sfc: fix builds without CONFIG_RTC_LIB sfc: clean up some inconsistent indentings net/mlx4_en: Introduce flexible array to silence overflow warning net: lan966x: Fix possible deadlock inside PTP net/ulp: Remove redundant ->clone() test in inet_clone_ulp(). ... --- drivers/net/wireless/marvell/mwifiex/sta_tx.c | 232 ++++++++++++++++++++++++++ 1 file changed, 232 insertions(+) create mode 100644 drivers/net/wireless/marvell/mwifiex/sta_tx.c (limited to 'drivers/net/wireless/marvell/mwifiex/sta_tx.c') diff --git a/drivers/net/wireless/marvell/mwifiex/sta_tx.c b/drivers/net/wireless/marvell/mwifiex/sta_tx.c new file mode 100644 index 000000000..13c0e67ed --- /dev/null +++ b/drivers/net/wireless/marvell/mwifiex/sta_tx.c @@ -0,0 +1,232 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * NXP Wireless LAN device driver: station TX data handling + * + * Copyright 2011-2020 NXP + */ + +#include "decl.h" +#include "ioctl.h" +#include "util.h" +#include "fw.h" +#include "main.h" +#include "wmm.h" + +/* + * This function fills the TxPD for tx packets. + * + * The Tx buffer received by this function should already have the + * header space allocated for TxPD. + * + * This function inserts the TxPD in between interface header and actual + * data and adjusts the buffer pointers accordingly. + * + * The following TxPD fields are set by this function, as required - + * - BSS number + * - Tx packet length and offset + * - Priority + * - Packet delay + * - Priority specific Tx control + * - Flags + */ +void *mwifiex_process_sta_txpd(struct mwifiex_private *priv, + struct sk_buff *skb) +{ + struct mwifiex_adapter *adapter = priv->adapter; + struct txpd *local_tx_pd; + struct mwifiex_txinfo *tx_info = MWIFIEX_SKB_TXCB(skb); + unsigned int pad; + u16 pkt_type, pkt_offset; + int hroom = adapter->intf_hdr_len; + + if (!skb->len) { + mwifiex_dbg(adapter, ERROR, + "Tx: bad packet length: %d\n", skb->len); + tx_info->status_code = -1; + return skb->data; + } + + BUG_ON(skb_headroom(skb) < MWIFIEX_MIN_DATA_HEADER_LEN); + + pkt_type = mwifiex_is_skb_mgmt_frame(skb) ? PKT_TYPE_MGMT : 0; + + pad = ((uintptr_t)skb->data - (sizeof(*local_tx_pd) + hroom)) & + (MWIFIEX_DMA_ALIGN_SZ - 1); + skb_push(skb, sizeof(*local_tx_pd) + pad); + + local_tx_pd = (struct txpd *) skb->data; + memset(local_tx_pd, 0, sizeof(struct txpd)); + local_tx_pd->bss_num = priv->bss_num; + local_tx_pd->bss_type = priv->bss_type; + local_tx_pd->tx_pkt_length = cpu_to_le16((u16)(skb->len - + (sizeof(struct txpd) + + pad))); + + local_tx_pd->priority = (u8) skb->priority; + local_tx_pd->pkt_delay_2ms = + mwifiex_wmm_compute_drv_pkt_delay(priv, skb); + + if (tx_info->flags & MWIFIEX_BUF_FLAG_EAPOL_TX_STATUS || + tx_info->flags & MWIFIEX_BUF_FLAG_ACTION_TX_STATUS) { + local_tx_pd->tx_token_id = tx_info->ack_frame_id; + local_tx_pd->flags |= MWIFIEX_TXPD_FLAGS_REQ_TX_STATUS; + } + + if (local_tx_pd->priority < + ARRAY_SIZE(priv->wmm.user_pri_pkt_tx_ctrl)) + /* + * Set the priority specific tx_control field, setting of 0 will + * cause the default value to be used later in this function + */ + local_tx_pd->tx_control = + cpu_to_le32(priv->wmm.user_pri_pkt_tx_ctrl[local_tx_pd-> + priority]); + + if (adapter->pps_uapsd_mode) { + if (mwifiex_check_last_packet_indication(priv)) { + adapter->tx_lock_flag = true; + local_tx_pd->flags = + MWIFIEX_TxPD_POWER_MGMT_LAST_PACKET; + } + } + + if (tx_info->flags & MWIFIEX_BUF_FLAG_TDLS_PKT) + local_tx_pd->flags |= MWIFIEX_TXPD_FLAGS_TDLS_PACKET; + + /* Offset of actual data */ + pkt_offset = sizeof(struct txpd) + pad; + if (pkt_type == PKT_TYPE_MGMT) { + /* Set the packet type and add header for management frame */ + local_tx_pd->tx_pkt_type = cpu_to_le16(pkt_type); + pkt_offset += MWIFIEX_MGMT_FRAME_HEADER_SIZE; + } + + local_tx_pd->tx_pkt_offset = cpu_to_le16(pkt_offset); + + /* make space for adapter->intf_hdr_len */ + skb_push(skb, hroom); + + if (!local_tx_pd->tx_control) + /* TxCtrl set by user or default */ + local_tx_pd->tx_control = cpu_to_le32(priv->pkt_tx_ctrl); + + return skb->data; +} + +/* + * This function tells firmware to send a NULL data packet. + * + * The function creates a NULL data packet with TxPD and sends to the + * firmware for transmission, with highest priority setting. + */ +int mwifiex_send_null_packet(struct mwifiex_private *priv, u8 flags) +{ + struct mwifiex_adapter *adapter = priv->adapter; + struct txpd *local_tx_pd; + struct mwifiex_tx_param tx_param; +/* sizeof(struct txpd) + Interface specific header */ +#define NULL_PACKET_HDR 64 + u32 data_len = NULL_PACKET_HDR; + struct sk_buff *skb; + int ret; + struct mwifiex_txinfo *tx_info = NULL; + + if (test_bit(MWIFIEX_SURPRISE_REMOVED, &adapter->work_flags)) + return -1; + + if (!priv->media_connected) + return -1; + + if (adapter->data_sent) + return -1; + + if (adapter->if_ops.is_port_ready && + !adapter->if_ops.is_port_ready(priv)) + return -1; + + skb = dev_alloc_skb(data_len); + if (!skb) + return -1; + + tx_info = MWIFIEX_SKB_TXCB(skb); + memset(tx_info, 0, sizeof(*tx_info)); + tx_info->bss_num = priv->bss_num; + tx_info->bss_type = priv->bss_type; + tx_info->pkt_len = data_len - + (sizeof(struct txpd) + adapter->intf_hdr_len); + skb_reserve(skb, sizeof(struct txpd) + adapter->intf_hdr_len); + skb_push(skb, sizeof(struct txpd)); + + local_tx_pd = (struct txpd *) skb->data; + local_tx_pd->tx_control = cpu_to_le32(priv->pkt_tx_ctrl); + local_tx_pd->flags = flags; + local_tx_pd->priority = WMM_HIGHEST_PRIORITY; + local_tx_pd->tx_pkt_offset = cpu_to_le16(sizeof(struct txpd)); + local_tx_pd->bss_num = priv->bss_num; + local_tx_pd->bss_type = priv->bss_type; + + skb_push(skb, adapter->intf_hdr_len); + if (adapter->iface_type == MWIFIEX_USB) { + ret = adapter->if_ops.host_to_card(adapter, priv->usb_port, + skb, NULL); + } else { + tx_param.next_pkt_len = 0; + ret = adapter->if_ops.host_to_card(adapter, MWIFIEX_TYPE_DATA, + skb, &tx_param); + } + switch (ret) { + case -EBUSY: + dev_kfree_skb_any(skb); + mwifiex_dbg(adapter, ERROR, + "%s: host_to_card failed: ret=%d\n", + __func__, ret); + adapter->dbg.num_tx_host_to_card_failure++; + break; + case -1: + dev_kfree_skb_any(skb); + mwifiex_dbg(adapter, ERROR, + "%s: host_to_card failed: ret=%d\n", + __func__, ret); + adapter->dbg.num_tx_host_to_card_failure++; + break; + case 0: + dev_kfree_skb_any(skb); + mwifiex_dbg(adapter, DATA, + "data: %s: host_to_card succeeded\n", + __func__); + adapter->tx_lock_flag = true; + break; + case -EINPROGRESS: + adapter->tx_lock_flag = true; + break; + default: + break; + } + + return ret; +} + +/* + * This function checks if we need to send last packet indication. + */ +u8 +mwifiex_check_last_packet_indication(struct mwifiex_private *priv) +{ + struct mwifiex_adapter *adapter = priv->adapter; + u8 ret = false; + + if (!adapter->sleep_period.period) + return ret; + if (mwifiex_wmm_lists_empty(adapter)) + ret = true; + + if (ret && !adapter->cmd_sent && !adapter->curr_cmd && + !is_command_pending(adapter)) { + adapter->delay_null_pkt = false; + ret = true; + } else { + ret = false; + adapter->delay_null_pkt = true; + } + return ret; +} -- cgit v1.2.3