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authorLinus Torvalds <torvalds@linux-foundation.org>2018-01-31 14:31:10 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2018-01-31 14:31:10 -0800
commitb2fe5fa68642860e7de76167c3111623aa0d5de1 (patch)
treeb7f9b89b7039ecefbc35fe3c8e73a6ff972641dd /drivers/net/wireless/intel/iwlwifi/mvm
parenta103950e0dd2058df5e8a8d4a915707bdcf205f0 (diff)
parenta54667f6728c2714a400f3c884727da74b6d1717 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
Pull networking updates from David Miller: 1) Significantly shrink the core networking routing structures. Result of http://vger.kernel.org/~davem/seoul2017_netdev_keynote.pdf 2) Add netdevsim driver for testing various offloads, from Jakub Kicinski. 3) Support cross-chip FDB operations in DSA, from Vivien Didelot. 4) Add a 2nd listener hash table for TCP, similar to what was done for UDP. From Martin KaFai Lau. 5) Add eBPF based queue selection to tun, from Jason Wang. 6) Lockless qdisc support, from John Fastabend. 7) SCTP stream interleave support, from Xin Long. 8) Smoother TCP receive autotuning, from Eric Dumazet. 9) Lots of erspan tunneling enhancements, from William Tu. 10) Add true function call support to BPF, from Alexei Starovoitov. 11) Add explicit support for GRO HW offloading, from Michael Chan. 12) Support extack generation in more netlink subsystems. From Alexander Aring, Quentin Monnet, and Jakub Kicinski. 13) Add 1000BaseX, flow control, and EEE support to mvneta driver. From Russell King. 14) Add flow table abstraction to netfilter, from Pablo Neira Ayuso. 15) Many improvements and simplifications to the NFP driver bpf JIT, from Jakub Kicinski. 16) Support for ipv6 non-equal cost multipath routing, from Ido Schimmel. 17) Add resource abstration to devlink, from Arkadi Sharshevsky. 18) Packet scheduler classifier shared filter block support, from Jiri Pirko. 19) Avoid locking in act_csum, from Davide Caratti. 20) devinet_ioctl() simplifications from Al viro. 21) More TCP bpf improvements from Lawrence Brakmo. 22) Add support for onlink ipv6 route flag, similar to ipv4, from David Ahern. * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1925 commits) tls: Add support for encryption using async offload accelerator ip6mr: fix stale iterator net/sched: kconfig: Remove blank help texts openvswitch: meter: Use 64-bit arithmetic instead of 32-bit tcp_nv: fix potential integer overflow in tcpnv_acked r8169: fix RTL8168EP take too long to complete driver initialization. qmi_wwan: Add support for Quectel EP06 rtnetlink: enable IFLA_IF_NETNSID for RTM_NEWLINK ipmr: Fix ptrdiff_t print formatting ibmvnic: Wait for device response when changing MAC qlcnic: fix deadlock bug tcp: release sk_frag.page in tcp_disconnect ipv4: Get the address of interface correctly. net_sched: gen_estimator: fix lockdep splat net: macb: Handle HRESP error net/mlx5e: IPoIB, Fix copy-paste bug in flow steering refactoring ipv6: addrconf: break critical section in addrconf_verify_rtnl() ipv6: change route cache aging logic i40e/i40evf: Update DESC_NEEDED value to reflect larger value bnxt_en: cleanup DIM work on device shutdown ...
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/mvm')
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/Makefile2
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/coex.c33
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/d3.c232
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c93
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/fw.c14
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c45
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/mvm.h22
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/ops.c15
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/quota.c4
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/rs-fw.c314
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/rs.c234
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/rs.h48
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/rx.c9
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c10
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/scan.c35
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/sta.c28
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/sta.h7
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/time-event.c15
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/tx.c24
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/utils.c40
20 files changed, 752 insertions, 472 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/Makefile b/drivers/net/wireless/intel/iwlwifi/mvm/Makefile
index a47635c32c11..9ffd21918b5a 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/Makefile
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/Makefile
@@ -2,7 +2,7 @@
obj-$(CONFIG_IWLMVM) += iwlmvm.o
iwlmvm-y += fw.o mac80211.o nvm.o ops.o phy-ctxt.o mac-ctxt.o
iwlmvm-y += utils.o rx.o rxmq.o tx.o binding.o quota.o sta.o sf.o
-iwlmvm-y += scan.o time-event.o rs.o
+iwlmvm-y += scan.o time-event.o rs.o rs-fw.o
iwlmvm-y += power.o coex.o
iwlmvm-y += tt.o offloading.o tdls.o
iwlmvm-$(CONFIG_IWLWIFI_DEBUGFS) += debugfs.o debugfs-vif.o
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/coex.c b/drivers/net/wireless/intel/iwlwifi/mvm/coex.c
index 79c80f181f7d..890dbfff3a06 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/coex.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/coex.c
@@ -7,7 +7,6 @@
*
* Copyright(c) 2013 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
- * Copyright(c) 2017 Intel Deutschland GmbH
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
@@ -34,7 +33,6 @@
*
* Copyright(c) 2013 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
- * Copyright(c) 2017 Intel Deutschland GmbH
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -514,36 +512,17 @@ void iwl_mvm_rx_bt_coex_notif(struct iwl_mvm *mvm,
struct iwl_rx_packet *pkt = rxb_addr(rxb);
struct iwl_bt_coex_profile_notif *notif = (void *)pkt->data;
- if (!iwl_mvm_has_new_ats_coex_api(mvm)) {
- struct iwl_bt_coex_profile_notif_v4 *v4 = (void *)pkt->data;
-
- mvm->last_bt_notif.mbox_msg[0] = v4->mbox_msg[0];
- mvm->last_bt_notif.mbox_msg[1] = v4->mbox_msg[1];
- mvm->last_bt_notif.mbox_msg[2] = v4->mbox_msg[2];
- mvm->last_bt_notif.mbox_msg[3] = v4->mbox_msg[3];
- mvm->last_bt_notif.msg_idx = v4->msg_idx;
- mvm->last_bt_notif.bt_ci_compliance = v4->bt_ci_compliance;
- mvm->last_bt_notif.primary_ch_lut = v4->primary_ch_lut;
- mvm->last_bt_notif.secondary_ch_lut = v4->secondary_ch_lut;
- mvm->last_bt_notif.bt_activity_grading =
- v4->bt_activity_grading;
- mvm->last_bt_notif.ttc_status = v4->ttc_status;
- mvm->last_bt_notif.rrc_status = v4->rrc_status;
- } else {
- /* save this notification for future use: rssi fluctuations */
- memcpy(&mvm->last_bt_notif, notif, sizeof(mvm->last_bt_notif));
- }
-
IWL_DEBUG_COEX(mvm, "BT Coex Notification received\n");
- IWL_DEBUG_COEX(mvm, "\tBT ci compliance %d\n",
- mvm->last_bt_notif.bt_ci_compliance);
+ IWL_DEBUG_COEX(mvm, "\tBT ci compliance %d\n", notif->bt_ci_compliance);
IWL_DEBUG_COEX(mvm, "\tBT primary_ch_lut %d\n",
- le32_to_cpu(mvm->last_bt_notif.primary_ch_lut));
+ le32_to_cpu(notif->primary_ch_lut));
IWL_DEBUG_COEX(mvm, "\tBT secondary_ch_lut %d\n",
- le32_to_cpu(mvm->last_bt_notif.secondary_ch_lut));
+ le32_to_cpu(notif->secondary_ch_lut));
IWL_DEBUG_COEX(mvm, "\tBT activity grading %d\n",
- le32_to_cpu(mvm->last_bt_notif.bt_activity_grading));
+ le32_to_cpu(notif->bt_activity_grading));
+ /* remember this notification for future use: rssi fluctuations */
+ memcpy(&mvm->last_bt_notif, notif, sizeof(mvm->last_bt_notif));
iwl_mvm_bt_coex_notif_handle(mvm);
}
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/d3.c b/drivers/net/wireless/intel/iwlwifi/mvm/d3.c
index b1f73dcabd31..0e6cf39285f4 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/d3.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/d3.c
@@ -429,231 +429,6 @@ static int iwl_mvm_send_patterns(struct iwl_mvm *mvm,
return err;
}
-enum iwl_mvm_tcp_packet_type {
- MVM_TCP_TX_SYN,
- MVM_TCP_RX_SYNACK,
- MVM_TCP_TX_DATA,
- MVM_TCP_RX_ACK,
- MVM_TCP_RX_WAKE,
- MVM_TCP_TX_FIN,
-};
-
-static __le16 pseudo_hdr_check(int len, __be32 saddr, __be32 daddr)
-{
- __sum16 check = tcp_v4_check(len, saddr, daddr, 0);
- return cpu_to_le16(be16_to_cpu((__force __be16)check));
-}
-
-static void iwl_mvm_build_tcp_packet(struct ieee80211_vif *vif,
- struct cfg80211_wowlan_tcp *tcp,
- void *_pkt, u8 *mask,
- __le16 *pseudo_hdr_csum,
- enum iwl_mvm_tcp_packet_type ptype)
-{
- struct {
- struct ethhdr eth;
- struct iphdr ip;
- struct tcphdr tcp;
- u8 data[];
- } __packed *pkt = _pkt;
- u16 ip_tot_len = sizeof(struct iphdr) + sizeof(struct tcphdr);
- int i;
-
- pkt->eth.h_proto = cpu_to_be16(ETH_P_IP),
- pkt->ip.version = 4;
- pkt->ip.ihl = 5;
- pkt->ip.protocol = IPPROTO_TCP;
-
- switch (ptype) {
- case MVM_TCP_TX_SYN:
- case MVM_TCP_TX_DATA:
- case MVM_TCP_TX_FIN:
- memcpy(pkt->eth.h_dest, tcp->dst_mac, ETH_ALEN);
- memcpy(pkt->eth.h_source, vif->addr, ETH_ALEN);
- pkt->ip.ttl = 128;
- pkt->ip.saddr = tcp->src;
- pkt->ip.daddr = tcp->dst;
- pkt->tcp.source = cpu_to_be16(tcp->src_port);
- pkt->tcp.dest = cpu_to_be16(tcp->dst_port);
- /* overwritten for TX SYN later */
- pkt->tcp.doff = sizeof(struct tcphdr) / 4;
- pkt->tcp.window = cpu_to_be16(65000);
- break;
- case MVM_TCP_RX_SYNACK:
- case MVM_TCP_RX_ACK:
- case MVM_TCP_RX_WAKE:
- memcpy(pkt->eth.h_dest, vif->addr, ETH_ALEN);
- memcpy(pkt->eth.h_source, tcp->dst_mac, ETH_ALEN);
- pkt->ip.saddr = tcp->dst;
- pkt->ip.daddr = tcp->src;
- pkt->tcp.source = cpu_to_be16(tcp->dst_port);
- pkt->tcp.dest = cpu_to_be16(tcp->src_port);
- break;
- default:
- WARN_ON(1);
- return;
- }
-
- switch (ptype) {
- case MVM_TCP_TX_SYN:
- /* firmware assumes 8 option bytes - 8 NOPs for now */
- memset(pkt->data, 0x01, 8);
- ip_tot_len += 8;
- pkt->tcp.doff = (sizeof(struct tcphdr) + 8) / 4;
- pkt->tcp.syn = 1;
- break;
- case MVM_TCP_TX_DATA:
- ip_tot_len += tcp->payload_len;
- memcpy(pkt->data, tcp->payload, tcp->payload_len);
- pkt->tcp.psh = 1;
- pkt->tcp.ack = 1;
- break;
- case MVM_TCP_TX_FIN:
- pkt->tcp.fin = 1;
- pkt->tcp.ack = 1;
- break;
- case MVM_TCP_RX_SYNACK:
- pkt->tcp.syn = 1;
- pkt->tcp.ack = 1;
- break;
- case MVM_TCP_RX_ACK:
- pkt->tcp.ack = 1;
- break;
- case MVM_TCP_RX_WAKE:
- ip_tot_len += tcp->wake_len;
- pkt->tcp.psh = 1;
- pkt->tcp.ack = 1;
- memcpy(pkt->data, tcp->wake_data, tcp->wake_len);
- break;
- }
-
- switch (ptype) {
- case MVM_TCP_TX_SYN:
- case MVM_TCP_TX_DATA:
- case MVM_TCP_TX_FIN:
- pkt->ip.tot_len = cpu_to_be16(ip_tot_len);
- pkt->ip.check = ip_fast_csum(&pkt->ip, pkt->ip.ihl);
- break;
- case MVM_TCP_RX_WAKE:
- for (i = 0; i < DIV_ROUND_UP(tcp->wake_len, 8); i++) {
- u8 tmp = tcp->wake_mask[i];
- mask[i + 6] |= tmp << 6;
- if (i + 1 < DIV_ROUND_UP(tcp->wake_len, 8))
- mask[i + 7] = tmp >> 2;
- }
- /* fall through for ethernet/IP/TCP headers mask */
- case MVM_TCP_RX_SYNACK:
- case MVM_TCP_RX_ACK:
- mask[0] = 0xff; /* match ethernet */
- /*
- * match ethernet, ip.version, ip.ihl
- * the ip.ihl half byte is really masked out by firmware
- */
- mask[1] = 0x7f;
- mask[2] = 0x80; /* match ip.protocol */
- mask[3] = 0xfc; /* match ip.saddr, ip.daddr */
- mask[4] = 0x3f; /* match ip.daddr, tcp.source, tcp.dest */
- mask[5] = 0x80; /* match tcp flags */
- /* leave rest (0 or set for MVM_TCP_RX_WAKE) */
- break;
- };
-
- *pseudo_hdr_csum = pseudo_hdr_check(ip_tot_len - sizeof(struct iphdr),
- pkt->ip.saddr, pkt->ip.daddr);
-}
-
-static int iwl_mvm_send_remote_wake_cfg(struct iwl_mvm *mvm,
- struct ieee80211_vif *vif,
- struct cfg80211_wowlan_tcp *tcp)
-{
- struct iwl_wowlan_remote_wake_config *cfg;
- struct iwl_host_cmd cmd = {
- .id = REMOTE_WAKE_CONFIG_CMD,
- .len = { sizeof(*cfg), },
- .dataflags = { IWL_HCMD_DFL_NOCOPY, },
- };
- int ret;
-
- if (!tcp)
- return 0;
-
- cfg = kzalloc(sizeof(*cfg), GFP_KERNEL);
- if (!cfg)
- return -ENOMEM;
- cmd.data[0] = cfg;
-
- cfg->max_syn_retries = 10;
- cfg->max_data_retries = 10;
- cfg->tcp_syn_ack_timeout = 1; /* seconds */
- cfg->tcp_ack_timeout = 1; /* seconds */
-
- /* SYN (TX) */
- iwl_mvm_build_tcp_packet(
- vif, tcp, cfg->syn_tx.data, NULL,
- &cfg->syn_tx.info.tcp_pseudo_header_checksum,
- MVM_TCP_TX_SYN);
- cfg->syn_tx.info.tcp_payload_length = 0;
-
- /* SYN/ACK (RX) */
- iwl_mvm_build_tcp_packet(
- vif, tcp, cfg->synack_rx.data, cfg->synack_rx.rx_mask,
- &cfg->synack_rx.info.tcp_pseudo_header_checksum,
- MVM_TCP_RX_SYNACK);
- cfg->synack_rx.info.tcp_payload_length = 0;
-
- /* KEEPALIVE/ACK (TX) */
- iwl_mvm_build_tcp_packet(
- vif, tcp, cfg->keepalive_tx.data, NULL,
- &cfg->keepalive_tx.info.tcp_pseudo_header_checksum,
- MVM_TCP_TX_DATA);
- cfg->keepalive_tx.info.tcp_payload_length =
- cpu_to_le16(tcp->payload_len);
- cfg->sequence_number_offset = tcp->payload_seq.offset;
- /* length must be 0..4, the field is little endian */
- cfg->sequence_number_length = tcp->payload_seq.len;
- cfg->initial_sequence_number = cpu_to_le32(tcp->payload_seq.start);
- cfg->keepalive_interval = cpu_to_le16(tcp->data_interval);
- if (tcp->payload_tok.len) {
- cfg->token_offset = tcp->payload_tok.offset;
- cfg->token_length = tcp->payload_tok.len;
- cfg->num_tokens =
- cpu_to_le16(tcp->tokens_size % tcp->payload_tok.len);
- memcpy(cfg->tokens, tcp->payload_tok.token_stream,
- tcp->tokens_size);
- } else {
- /* set tokens to max value to almost never run out */
- cfg->num_tokens = cpu_to_le16(65535);
- }
-
- /* ACK (RX) */
- iwl_mvm_build_tcp_packet(
- vif, tcp, cfg->keepalive_ack_rx.data,
- cfg->keepalive_ack_rx.rx_mask,
- &cfg->keepalive_ack_rx.info.tcp_pseudo_header_checksum,
- MVM_TCP_RX_ACK);
- cfg->keepalive_ack_rx.info.tcp_payload_length = 0;
-
- /* WAKEUP (RX) */
- iwl_mvm_build_tcp_packet(
- vif, tcp, cfg->wake_rx.data, cfg->wake_rx.rx_mask,
- &cfg->wake_rx.info.tcp_pseudo_header_checksum,
- MVM_TCP_RX_WAKE);
- cfg->wake_rx.info.tcp_payload_length =
- cpu_to_le16(tcp->wake_len);
-
- /* FIN */
- iwl_mvm_build_tcp_packet(
- vif, tcp, cfg->fin_tx.data, NULL,
- &cfg->fin_tx.info.tcp_pseudo_header_checksum,
- MVM_TCP_TX_FIN);
- cfg->fin_tx.info.tcp_payload_length = 0;
-
- ret = iwl_mvm_send_cmd(mvm, &cmd);
- kfree(cfg);
-
- return ret;
-}
-
static int iwl_mvm_d3_reprogram(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
struct ieee80211_sta *ap_sta)
{
@@ -1082,12 +857,7 @@ iwl_mvm_wowlan_config(struct iwl_mvm *mvm,
if (ret)
return ret;
- ret = iwl_mvm_send_proto_offload(mvm, vif, false, true, 0);
- if (ret)
- return ret;
-
- ret = iwl_mvm_send_remote_wake_cfg(mvm, vif, wowlan->tcp);
- return ret;
+ return iwl_mvm_send_proto_offload(mvm, vif, false, true, 0);
}
static int
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c b/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c
index 2ff594f11259..a7892c1254a2 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c
@@ -425,6 +425,50 @@ static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf,
return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
}
+static ssize_t iwl_dbgfs_rs_data_read(struct file *file, char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct ieee80211_sta *sta = file->private_data;
+ struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
+ struct iwl_lq_sta_rs_fw *lq_sta = &mvmsta->lq_sta.rs_fw;
+ struct iwl_mvm *mvm = lq_sta->pers.drv;
+ static const size_t bufsz = 2048;
+ char *buff;
+ int desc = 0;
+ ssize_t ret;
+
+ buff = kmalloc(bufsz, GFP_KERNEL);
+ if (!buff)
+ return -ENOMEM;
+
+ mutex_lock(&mvm->mutex);
+
+ desc += scnprintf(buff + desc, bufsz - desc, "sta_id %d\n",
+ lq_sta->pers.sta_id);
+ desc += scnprintf(buff + desc, bufsz - desc,
+ "fixed rate 0x%X\n",
+ lq_sta->pers.dbg_fixed_rate);
+ desc += scnprintf(buff + desc, bufsz - desc,
+ "A-MPDU size limit %d\n",
+ lq_sta->pers.dbg_agg_frame_count_lim);
+ desc += scnprintf(buff + desc, bufsz - desc,
+ "valid_tx_ant %s%s%s\n",
+ (iwl_mvm_get_valid_tx_ant(mvm) & ANT_A) ? "ANT_A," : "",
+ (iwl_mvm_get_valid_tx_ant(mvm) & ANT_B) ? "ANT_B," : "",
+ (iwl_mvm_get_valid_tx_ant(mvm) & ANT_C) ? "ANT_C" : "");
+ desc += scnprintf(buff + desc, bufsz - desc,
+ "last tx rate=0x%X ",
+ lq_sta->last_rate_n_flags);
+
+ desc += rs_pretty_print_rate(buff + desc, bufsz - desc,
+ lq_sta->last_rate_n_flags);
+ mutex_unlock(&mvm->mutex);
+
+ ret = simple_read_from_buffer(user_buf, count, ppos, buff, desc);
+ kfree(buff);
+ return ret;
+}
+
static ssize_t iwl_dbgfs_disable_power_off_read(struct file *file,
char __user *user_buf,
size_t count, loff_t *ppos)
@@ -470,8 +514,7 @@ static ssize_t iwl_dbgfs_disable_power_off_write(struct iwl_mvm *mvm, char *buf,
}
static
-int iwl_mvm_coex_dump_mbox(struct iwl_mvm *mvm,
- struct iwl_bt_coex_profile_notif *notif, char *buf,
+int iwl_mvm_coex_dump_mbox(struct iwl_bt_coex_profile_notif *notif, char *buf,
int pos, int bufsz)
{
pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw0:\n");
@@ -525,12 +568,7 @@ int iwl_mvm_coex_dump_mbox(struct iwl_mvm *mvm,
BT_MBOX_PRINT(3, INBAND_P, false);
BT_MBOX_PRINT(3, MSG_TYPE_2, false);
BT_MBOX_PRINT(3, SSN_2, false);
- BT_MBOX_PRINT(3, UPDATE_REQUEST, !iwl_mvm_has_new_ats_coex_api(mvm));
-
- if (iwl_mvm_has_new_ats_coex_api(mvm)) {
- BT_MBOX_PRINT(4, ATS_BT_INTERVAL, false);
- BT_MBOX_PRINT(4, ATS_BT_ACTIVE_MAX_TH, true);
- }
+ BT_MBOX_PRINT(3, UPDATE_REQUEST, true);
return pos;
}
@@ -549,7 +587,7 @@ static ssize_t iwl_dbgfs_bt_notif_read(struct file *file, char __user *user_buf,
mutex_lock(&mvm->mutex);
- pos += iwl_mvm_coex_dump_mbox(mvm, notif, buf, pos, bufsz);
+ pos += iwl_mvm_coex_dump_mbox(notif, buf, pos, bufsz);
pos += scnprintf(buf + pos, bufsz - pos, "bt_ci_compliance = %d\n",
notif->bt_ci_compliance);
@@ -721,6 +759,9 @@ static ssize_t iwl_dbgfs_fw_rx_stats_read(struct file *file,
mutex_lock(&mvm->mutex);
+ if (iwl_mvm_firmware_running(mvm))
+ iwl_mvm_request_statistics(mvm, false);
+
pos += scnprintf(buf + pos, bufsz - pos, fmt_header,
"Statistics_Rx - OFDM");
if (!iwl_mvm_has_new_rx_stats_api(mvm)) {
@@ -936,7 +977,8 @@ static ssize_t iwl_dbgfs_frame_stats_read(struct iwl_mvm *mvm,
continue;
pos += scnprintf(pos, endpos - pos, "Rate[%d]: ",
(int)(ARRAY_SIZE(stats->last_rates) - i));
- pos += rs_pretty_print_rate(pos, stats->last_rates[idx]);
+ pos += rs_pretty_print_rate(pos, endpos - pos,
+ stats->last_rates[idx]);
}
spin_unlock_bh(&mvm->drv_stats_lock);
@@ -1179,7 +1221,7 @@ static ssize_t iwl_dbgfs_cont_recording_write(struct iwl_mvm *mvm,
loff_t *ppos)
{
struct iwl_trans *trans = mvm->trans;
- const struct iwl_fw_dbg_dest_tlv *dest = trans->dbg_dest_tlv;
+ const struct iwl_fw_dbg_dest_tlv_v1 *dest = trans->dbg_dest_tlv;
struct iwl_continuous_record_cmd cont_rec = {};
int ret, rec_mode;
@@ -1603,6 +1645,19 @@ static ssize_t iwl_dbgfs_d0i3_refs_write(struct iwl_mvm *mvm, char *buf,
#define MVM_DEBUGFS_ADD_FILE(name, parent, mode) \
MVM_DEBUGFS_ADD_FILE_ALIAS(#name, name, parent, mode)
+#define MVM_DEBUGFS_WRITE_STA_FILE_OPS(name, bufsz) \
+ _MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz, struct ieee80211_sta)
+#define MVM_DEBUGFS_READ_WRITE_STA_FILE_OPS(name, bufsz) \
+ _MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz, struct ieee80211_sta)
+
+#define MVM_DEBUGFS_ADD_STA_FILE_ALIAS(alias, name, parent, mode) do { \
+ if (!debugfs_create_file(alias, mode, parent, sta, \
+ &iwl_dbgfs_##name##_ops)) \
+ goto err; \
+ } while (0)
+#define MVM_DEBUGFS_ADD_STA_FILE(name, parent, mode) \
+ MVM_DEBUGFS_ADD_STA_FILE_ALIAS(#name, name, parent, mode)
+
static ssize_t
iwl_dbgfs_prph_reg_read(struct file *file,
char __user *user_buf,
@@ -1687,6 +1742,7 @@ MVM_DEBUGFS_READ_WRITE_FILE_OPS(sram, 64);
MVM_DEBUGFS_READ_WRITE_FILE_OPS(set_nic_temperature, 64);
MVM_DEBUGFS_READ_FILE_OPS(nic_temp);
MVM_DEBUGFS_READ_FILE_OPS(stations);
+MVM_DEBUGFS_READ_FILE_OPS(rs_data);
MVM_DEBUGFS_READ_FILE_OPS(bt_notif);
MVM_DEBUGFS_READ_FILE_OPS(bt_cmd);
MVM_DEBUGFS_READ_WRITE_FILE_OPS(disable_power_off, 64);
@@ -1851,6 +1907,21 @@ static const struct file_operations iwl_dbgfs_mem_ops = {
.llseek = default_llseek,
};
+void iwl_mvm_sta_add_debugfs(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta,
+ struct dentry *dir)
+{
+ struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
+
+ if (iwl_mvm_has_tlc_offload(mvm))
+ MVM_DEBUGFS_ADD_STA_FILE(rs_data, dir, S_IRUSR);
+
+ return;
+err:
+ IWL_ERR(mvm, "Can't create the mvm station debugfs entry\n");
+}
+
int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir)
{
struct dentry *bcast_dir __maybe_unused;
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
index c0de7bb86cf7..0920be637b57 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
@@ -297,7 +297,7 @@ static int iwl_mvm_load_ucode_wait_alive(struct iwl_mvm *mvm,
if (ret) {
struct iwl_trans *trans = mvm->trans;
- if (trans->cfg->device_family == IWL_DEVICE_FAMILY_A000)
+ if (trans->cfg->device_family == IWL_DEVICE_FAMILY_22000)
IWL_ERR(mvm,
"SecBoot CPU1 Status: 0x%x, CPU2 Status: 0x%x\n",
iwl_read_prph(trans, UMAG_SB_CPU_1_STATUS),
@@ -923,11 +923,11 @@ static int iwl_mvm_load_rt_fw(struct iwl_mvm *mvm)
ret = iwl_run_init_mvm_ucode(mvm, false);
- if (iwlmvm_mod_params.init_dbg)
- return 0;
-
if (ret) {
IWL_ERR(mvm, "Failed to run INIT ucode: %d\n", ret);
+
+ if (iwlmvm_mod_params.init_dbg)
+ return 0;
return ret;
}
@@ -998,9 +998,9 @@ int iwl_mvm_up(struct iwl_mvm *mvm)
goto error;
/* Init RSS configuration */
- /* TODO - remove a000 disablement when we have RXQ config API */
+ /* TODO - remove 22000 disablement when we have RXQ config API */
if (iwl_mvm_has_new_rx_api(mvm) &&
- mvm->trans->cfg->device_family != IWL_DEVICE_FAMILY_A000) {
+ mvm->trans->cfg->device_family != IWL_DEVICE_FAMILY_22000) {
ret = iwl_send_rss_cfg_cmd(mvm);
if (ret) {
IWL_ERR(mvm, "Failed to configure RSS queues: %d\n",
@@ -1111,7 +1111,7 @@ int iwl_mvm_up(struct iwl_mvm *mvm)
IWL_DEBUG_INFO(mvm, "RT uCode started.\n");
return 0;
error:
- if (!iwlmvm_mod_params.init_dbg)
+ if (!iwlmvm_mod_params.init_dbg || !ret)
iwl_mvm_stop_device(mvm);
return ret;
}
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
index 3e92a117c0b8..8aed40a8bc38 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
@@ -114,29 +114,6 @@ static const struct ieee80211_iface_combination iwl_mvm_iface_combinations[] = {
},
};
-#ifdef CONFIG_PM_SLEEP
-static const struct nl80211_wowlan_tcp_data_token_feature
-iwl_mvm_wowlan_tcp_token_feature = {
- .min_len = 0,
- .max_len = 255,
- .bufsize = IWL_WOWLAN_REMOTE_WAKE_MAX_TOKENS,
-};
-
-static const struct wiphy_wowlan_tcp_support iwl_mvm_wowlan_tcp_support = {
- .tok = &iwl_mvm_wowlan_tcp_token_feature,
- .data_payload_max = IWL_WOWLAN_TCP_MAX_PACKET_LEN -
- sizeof(struct ethhdr) -
- sizeof(struct iphdr) -
- sizeof(struct tcphdr),
- .data_interval_max = 65535, /* __le16 in API */
- .wake_payload_max = IWL_WOWLAN_REMOTE_WAKE_MAX_PACKET_LEN -
- sizeof(struct ethhdr) -
- sizeof(struct iphdr) -
- sizeof(struct tcphdr),
- .seq = true,
-};
-#endif
-
#ifdef CONFIG_IWLWIFI_BCAST_FILTERING
/*
* Use the reserved field to indicate magic values.
@@ -443,6 +420,12 @@ int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm)
ieee80211_hw_set(hw, SUPPORTS_CLONED_SKBS);
ieee80211_hw_set(hw, SUPPORTS_AMSDU_IN_AMPDU);
ieee80211_hw_set(hw, NEEDS_UNIQUE_STA_ADDR);
+
+ if (iwl_mvm_has_tlc_offload(mvm)) {
+ ieee80211_hw_set(hw, TX_AMPDU_SETUP_IN_HW);
+ ieee80211_hw_set(hw, HAS_RATE_CONTROL);
+ }
+
if (iwl_mvm_has_new_rx_api(mvm))
ieee80211_hw_set(hw, SUPPORTS_REORDERING_BUFFER);
@@ -477,7 +460,9 @@ int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm)
/* this is the case for CCK frames, it's better (only 8) for OFDM */
hw->radiotap_timestamp.accuracy = 22;
- hw->rate_control_algorithm = "iwl-mvm-rs";
+ if (!iwl_mvm_has_tlc_offload(mvm))
+ hw->rate_control_algorithm = RS_NAME;
+
hw->uapsd_queues = IWL_MVM_UAPSD_QUEUES;
hw->uapsd_max_sp_len = IWL_UAPSD_MAX_SP;
@@ -702,7 +687,6 @@ int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm)
mvm->wowlan.pattern_min_len = IWL_WOWLAN_MIN_PATTERN_LEN;
mvm->wowlan.pattern_max_len = IWL_WOWLAN_MAX_PATTERN_LEN;
mvm->wowlan.max_nd_match_sets = IWL_SCAN_MAX_PROFILES;
- mvm->wowlan.tcp = &iwl_mvm_wowlan_tcp_support;
hw->wiphy->wowlan = &mvm->wowlan;
}
#endif
@@ -3216,6 +3200,10 @@ static int iwl_mvm_roc(struct ieee80211_hw *hw,
IWL_DEBUG_MAC80211(mvm, "enter (%d, %d, %d)\n", channel->hw_value,
duration, type);
+ /*
+ * Flush the done work, just in case it's still pending, so that
+ * the work it does can complete and we can accept new frames.
+ */
flush_work(&mvm->roc_done_wk);
mutex_lock(&mvm->mutex);
@@ -3813,7 +3801,7 @@ static int __iwl_mvm_mac_testmode_cmd(struct iwl_mvm *mvm,
mvm->noa_duration = noa_duration;
mvm->noa_vif = vif;
- return iwl_mvm_update_quotas(mvm, false, NULL);
+ return iwl_mvm_update_quotas(mvm, true, NULL);
case IWL_MVM_TM_CMD_SET_BEACON_FILTER:
/* must be associated client vif - ignore authorized */
if (!vif || vif->type != NL80211_IFTYPE_STATION ||
@@ -4301,7 +4289,7 @@ void iwl_mvm_sync_rx_queues_internal(struct iwl_mvm *mvm,
mvm->trans->num_rx_queues);
/* TODO - remove this when we have RXQ config API */
- if (mvm->trans->cfg->device_family == IWL_DEVICE_FAMILY_A000) {
+ if (mvm->trans->cfg->device_family == IWL_DEVICE_FAMILY_22000) {
qmask = BIT(0);
if (notif->sync)
atomic_set(&mvm->queue_sync_counter, 1);
@@ -4414,4 +4402,7 @@ const struct ieee80211_ops iwl_mvm_hw_ops = {
#endif
.get_survey = iwl_mvm_mac_get_survey,
.sta_statistics = iwl_mvm_mac_sta_statistics,
+#ifdef CONFIG_IWLWIFI_DEBUGFS
+ .sta_add_debugfs = iwl_mvm_sta_add_debugfs,
+#endif
};
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h
index 55ab5349dd40..2d28e0804218 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h
@@ -1248,7 +1248,7 @@ static inline bool iwl_mvm_has_new_tx_api(struct iwl_mvm *mvm)
static inline bool iwl_mvm_has_unified_ucode(struct iwl_mvm *mvm)
{
/* TODO - better define this */
- return mvm->trans->cfg->device_family >= IWL_DEVICE_FAMILY_A000;
+ return mvm->trans->cfg->device_family >= IWL_DEVICE_FAMILY_22000;
}
static inline bool iwl_mvm_is_cdb_supported(struct iwl_mvm *mvm)
@@ -1272,16 +1272,16 @@ static inline bool iwl_mvm_has_new_rx_stats_api(struct iwl_mvm *mvm)
IWL_UCODE_TLV_API_NEW_RX_STATS);
}
-static inline bool iwl_mvm_has_new_ats_coex_api(struct iwl_mvm *mvm)
+static inline bool iwl_mvm_has_quota_low_latency(struct iwl_mvm *mvm)
{
return fw_has_api(&mvm->fw->ucode_capa,
- IWL_UCODE_TLV_API_COEX_ATS_EXTERNAL);
+ IWL_UCODE_TLV_API_QUOTA_LOW_LATENCY);
}
-static inline bool iwl_mvm_has_quota_low_latency(struct iwl_mvm *mvm)
+static inline bool iwl_mvm_has_tlc_offload(const struct iwl_mvm *mvm)
{
- return fw_has_api(&mvm->fw->ucode_capa,
- IWL_UCODE_TLV_API_QUOTA_LOW_LATENCY);
+ return fw_has_capa(&mvm->fw->ucode_capa,
+ IWL_UCODE_TLV_CAPA_TLC_OFFLOAD);
}
static inline struct agg_tx_status *
@@ -1600,9 +1600,9 @@ iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
/* rate scaling */
int iwl_mvm_send_lq_cmd(struct iwl_mvm *mvm, struct iwl_lq_cmd *lq, bool init);
void iwl_mvm_update_frame_stats(struct iwl_mvm *mvm, u32 rate, bool agg);
-int rs_pretty_print_rate(char *buf, const u32 rate);
+int rs_pretty_print_rate(char *buf, int bufsz, const u32 rate);
void rs_update_last_rssi(struct iwl_mvm *mvm,
- struct iwl_lq_sta *lq_sta,
+ struct iwl_mvm_sta *mvmsta,
struct ieee80211_rx_status *rx_status);
/* power management */
@@ -1882,5 +1882,11 @@ void iwl_mvm_event_frame_timeout_callback(struct iwl_mvm *mvm,
int iwl_mvm_sar_select_profile(struct iwl_mvm *mvm, int prof_a, int prof_b);
int iwl_mvm_get_sar_geo_profile(struct iwl_mvm *mvm);
+#ifdef CONFIG_IWLWIFI_DEBUGFS
+void iwl_mvm_sta_add_debugfs(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta,
+ struct dentry *dir);
+#endif
#endif /* __IWL_MVM_H__ */
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c
index 45470b6b351a..5d525a0023dc 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c
@@ -127,11 +127,8 @@ static int __init iwl_mvm_init(void)
}
ret = iwl_opmode_register("iwlmvm", &iwl_mvm_ops);
-
- if (ret) {
+ if (ret)
pr_err("Unable to register MVM op_mode: %d\n", ret);
- iwl_mvm_rate_control_unregister();
- }
return ret;
}
@@ -605,7 +602,8 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg,
mvm->fw = fw;
mvm->hw = hw;
- iwl_fw_runtime_init(&mvm->fwrt, trans, fw, &iwl_mvm_fwrt_ops, mvm);
+ iwl_fw_runtime_init(&mvm->fwrt, trans, fw, &iwl_mvm_fwrt_ops, mvm,
+ dbgfs_dir);
mvm->init_status = 0;
@@ -750,7 +748,7 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg,
mutex_lock(&mvm->mutex);
iwl_mvm_ref(mvm, IWL_MVM_REF_INIT_UCODE);
err = iwl_run_init_mvm_ucode(mvm, true);
- if (!iwlmvm_mod_params.init_dbg)
+ if (!iwlmvm_mod_params.init_dbg || !err)
iwl_mvm_stop_device(mvm);
iwl_mvm_unref(mvm, IWL_MVM_REF_INIT_UCODE);
mutex_unlock(&mvm->mutex);
@@ -804,6 +802,7 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg,
iwl_mvm_leds_exit(mvm);
iwl_mvm_thermal_exit(mvm);
out_free:
+ iwl_fw_runtime_exit(&mvm->fwrt);
iwl_fw_flush_dump(&mvm->fwrt);
if (iwlmvm_mod_params.init_dbg)
@@ -844,7 +843,7 @@ static void iwl_op_mode_mvm_stop(struct iwl_op_mode *op_mode)
#if defined(CONFIG_PM_SLEEP) && defined(CONFIG_IWLWIFI_DEBUGFS)
kfree(mvm->d3_resume_sram);
#endif
-
+ iwl_fw_runtime_exit(&mvm->fwrt);
iwl_trans_op_mode_leave(mvm->trans);
iwl_phy_db_free(mvm->phy_db);
@@ -1021,6 +1020,8 @@ static void iwl_mvm_rx_mq(struct iwl_op_mode *op_mode,
iwl_mvm_rx_queue_notif(mvm, rxb, 0);
else if (cmd == WIDE_ID(LEGACY_GROUP, FRAME_RELEASE))
iwl_mvm_rx_frame_release(mvm, napi, rxb, 0);
+ else if (cmd == WIDE_ID(DATA_PATH_GROUP, TLC_MNG_UPDATE_NOTIF))
+ iwl_mvm_tlc_update_notif(mvm, pkt);
else
iwl_mvm_rx_common(mvm, rxb, pkt);
}
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/quota.c b/drivers/net/wireless/intel/iwlwifi/mvm/quota.c
index b4a0264329b7..690559bdf421 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/quota.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/quota.c
@@ -202,6 +202,10 @@ int iwl_mvm_update_quotas(struct iwl_mvm *mvm,
lockdep_assert_held(&mvm->mutex);
+ if (fw_has_capa(&mvm->fw->ucode_capa,
+ IWL_UCODE_TLV_CAPA_DYNAMIC_QUOTA))
+ return 0;
+
/* update all upon completion */
if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status))
return 0;
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rs-fw.c b/drivers/net/wireless/intel/iwlwifi/mvm/rs-fw.c
new file mode 100644
index 000000000000..55d1274c6092
--- /dev/null
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/rs-fw.c
@@ -0,0 +1,314 @@
+/******************************************************************************
+ *
+ * This file is provided under a dual BSD/GPLv2 license. When using or
+ * redistributing this file, you may do so under either license.
+ *
+ * GPL LICENSE SUMMARY
+ *
+ * Copyright(c) 2017 Intel Deutschland GmbH
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of version 2 of the GNU General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * The full GNU General Public License is included in this distribution
+ * in the file called COPYING.
+ *
+ * Contact Information:
+ * Intel Linux Wireless <linuxwifi@intel.com>
+ * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
+ *
+ * BSD LICENSE
+ *
+ * Copyright(c) 2017 Intel Deutschland GmbH
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ * * Neither the name Intel Corporation nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ *****************************************************************************/
+#include "rs.h"
+#include "fw-api.h"
+#include "sta.h"
+#include "iwl-op-mode.h"
+#include "mvm.h"
+
+static u8 rs_fw_bw_from_sta_bw(struct ieee80211_sta *sta)
+{
+ switch (sta->bandwidth) {
+ case IEEE80211_STA_RX_BW_160:
+ return IWL_TLC_MNG_MAX_CH_WIDTH_160MHZ;
+ case IEEE80211_STA_RX_BW_80:
+ return IWL_TLC_MNG_MAX_CH_WIDTH_80MHZ;
+ case IEEE80211_STA_RX_BW_40:
+ return IWL_TLC_MNG_MAX_CH_WIDTH_40MHZ;
+ case IEEE80211_STA_RX_BW_20:
+ default:
+ return IWL_TLC_MNG_MAX_CH_WIDTH_20MHZ;
+ }
+}
+
+static u8 rs_fw_set_active_chains(u8 chains)
+{
+ u8 fw_chains = 0;
+
+ if (chains & ANT_A)
+ fw_chains |= IWL_TLC_MNG_CHAIN_A_MSK;
+ if (chains & ANT_B)
+ fw_chains |= IWL_TLC_MNG_CHAIN_B_MSK;
+ if (chains & ANT_C)
+ fw_chains |= IWL_TLC_MNG_CHAIN_C_MSK;
+
+ return fw_chains;
+}
+
+static u8 rs_fw_sgi_cw_support(struct ieee80211_sta *sta)
+{
+ struct ieee80211_sta_ht_cap *ht_cap = &sta->ht_cap;
+ struct ieee80211_sta_vht_cap *vht_cap = &sta->vht_cap;
+ u8 supp = 0;
+
+ if (ht_cap->cap & IEEE80211_HT_CAP_SGI_20)
+ supp |= IWL_TLC_MNG_SGI_20MHZ_MSK;
+ if (ht_cap->cap & IEEE80211_HT_CAP_SGI_40)
+ supp |= IWL_TLC_MNG_SGI_40MHZ_MSK;
+ if (vht_cap->cap & IEEE80211_VHT_CAP_SHORT_GI_80)
+ supp |= IWL_TLC_MNG_SGI_80MHZ_MSK;
+ if (vht_cap->cap & IEEE80211_VHT_CAP_SHORT_GI_160)
+ supp |= IWL_TLC_MNG_SGI_160MHZ_MSK;
+
+ return supp;
+}
+
+static u16 rs_fw_set_config_flags(struct iwl_mvm *mvm,
+ struct ieee80211_sta *sta)
+{
+ struct ieee80211_sta_ht_cap *ht_cap = &sta->ht_cap;
+ struct ieee80211_sta_vht_cap *vht_cap = &sta->vht_cap;
+ bool vht_ena = vht_cap && vht_cap->vht_supported;
+ u16 flags = IWL_TLC_MNG_CFG_FLAGS_CCK_MSK |
+ IWL_TLC_MNG_CFG_FLAGS_DCM_MSK |
+ IWL_TLC_MNG_CFG_FLAGS_DD_MSK;
+
+ if (mvm->cfg->ht_params->stbc &&
+ (num_of_ant(iwl_mvm_get_valid_tx_ant(mvm)) > 1) &&
+ ((ht_cap && (ht_cap->cap & IEEE80211_HT_CAP_RX_STBC)) ||
+ (vht_ena && (vht_cap->cap & IEEE80211_VHT_CAP_RXSTBC_MASK))))
+ flags |= IWL_TLC_MNG_CFG_FLAGS_STBC_MSK;
+
+ if (mvm->cfg->ht_params->ldpc &&
+ ((ht_cap && (ht_cap->cap & IEEE80211_HT_CAP_LDPC_CODING)) ||
+ (vht_ena && (vht_cap->cap & IEEE80211_VHT_CAP_RXLDPC))))
+ flags |= IWL_TLC_MNG_CFG_FLAGS_LDPC_MSK;
+
+ if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_BEAMFORMER) &&
+ (num_of_ant(iwl_mvm_get_valid_tx_ant(mvm)) > 1) &&
+ (vht_cap->cap & IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE))
+ flags |= IWL_TLC_MNG_CFG_FLAGS_BF_MSK;
+
+ return flags;
+}
+
+static
+int rs_fw_vht_highest_rx_mcs_index(struct ieee80211_sta_vht_cap *vht_cap,
+ int nss)
+{
+ u16 rx_mcs = le16_to_cpu(vht_cap->vht_mcs.rx_mcs_map) &
+ (0x3 << (2 * (nss - 1)));
+ rx_mcs >>= (2 * (nss - 1));
+
+ switch (rx_mcs) {
+ case IEEE80211_VHT_MCS_SUPPORT_0_7:
+ return IWL_TLC_MNG_HT_RATE_MCS7;
+ case IEEE80211_VHT_MCS_SUPPORT_0_8:
+ return IWL_TLC_MNG_HT_RATE_MCS8;
+ case IEEE80211_VHT_MCS_SUPPORT_0_9:
+ return IWL_TLC_MNG_HT_RATE_MCS9;
+ default:
+ WARN_ON_ONCE(1);
+ break;
+ }
+
+ return 0;
+}
+
+static void rs_fw_vht_set_enabled_rates(struct ieee80211_sta *sta,
+ struct ieee80211_sta_vht_cap *vht_cap,
+ struct iwl_tlc_config_cmd *cmd)
+{
+ u16 supp;
+ int i, highest_mcs;
+
+ for (i = 0; i < sta->rx_nss; i++) {
+ if (i == MAX_RS_ANT_NUM)
+ break;
+
+ highest_mcs = rs_fw_vht_highest_rx_mcs_index(vht_cap, i + 1);
+ if (!highest_mcs)
+ continue;
+
+ supp = BIT(highest_mcs + 1) - 1;
+ if (sta->bandwidth == IEEE80211_STA_RX_BW_20)
+ supp &= ~BIT(IWL_TLC_MNG_HT_RATE_MCS9);
+
+ cmd->ht_supp_rates[i] = cpu_to_le16(supp);
+ }
+}
+
+static void rs_fw_set_supp_rates(struct ieee80211_sta *sta,
+ struct ieee80211_supported_band *sband,
+ struct iwl_tlc_config_cmd *cmd)
+{
+ int i;
+ unsigned long tmp;
+ unsigned long supp; /* must be unsigned long for for_each_set_bit */
+ struct ieee80211_sta_ht_cap *ht_cap = &sta->ht_cap;
+ struct ieee80211_sta_vht_cap *vht_cap = &sta->vht_cap;
+
+ /* non HT rates */
+ supp = 0;
+ tmp = sta->supp_rates[sband->band];
+ for_each_set_bit(i, &tmp, BITS_PER_LONG)
+ supp |= BIT(sband->bitrates[i].hw_value);
+
+ cmd->non_ht_supp_rates = cpu_to_le16(supp);
+ cmd->mode = IWL_TLC_MNG_MODE_NON_HT;
+
+ /* HT/VHT rates */
+ if (vht_cap && vht_cap->vht_supported) {
+ cmd->mode = IWL_TLC_MNG_MODE_VHT;
+ rs_fw_vht_set_enabled_rates(sta, vht_cap, cmd);
+ } else if (ht_cap && ht_cap->ht_supported) {
+ cmd->mode = IWL_TLC_MNG_MODE_HT;
+ cmd->ht_supp_rates[0] = cpu_to_le16(ht_cap->mcs.rx_mask[0]);
+ cmd->ht_supp_rates[1] = cpu_to_le16(ht_cap->mcs.rx_mask[1]);
+ }
+}
+
+static void rs_fw_tlc_mng_notif_req_config(struct iwl_mvm *mvm, u8 sta_id)
+{
+ u32 cmd_id = iwl_cmd_id(TLC_MNG_NOTIF_REQ_CMD, DATA_PATH_GROUP, 0);
+ struct iwl_tlc_notif_req_config_cmd cfg_cmd = {
+ .sta_id = sta_id,
+ .flags = cpu_to_le16(IWL_TLC_NOTIF_INIT_RATE_MSK),
+ .interval = cpu_to_le16(IWL_TLC_NOTIF_REQ_INTERVAL),
+ };
+ int ret;
+
+ ret = iwl_mvm_send_cmd_pdu(mvm, cmd_id, 0, sizeof(cfg_cmd), &cfg_cmd);
+ if (ret)
+ IWL_ERR(mvm, "Failed to send TLC notif request (%d)\n", ret);
+}
+
+void iwl_mvm_tlc_update_notif(struct iwl_mvm *mvm, struct iwl_rx_packet *pkt)
+{
+ struct iwl_tlc_update_notif *notif;
+ struct iwl_mvm_sta *mvmsta;
+ struct iwl_lq_sta_rs_fw *lq_sta;
+
+ notif = (void *)pkt->data;
+ mvmsta = iwl_mvm_sta_from_staid_rcu(mvm, notif->sta_id);
+
+ if (!mvmsta) {
+ IWL_ERR(mvm, "Invalid sta id (%d) in FW TLC notification\n",
+ notif->sta_id);
+ return;
+ }
+
+ lq_sta = &mvmsta->lq_sta.rs_fw;
+
+ if (le16_to_cpu(notif->flags) & IWL_TLC_NOTIF_INIT_RATE_MSK) {
+ lq_sta->last_rate_n_flags =
+ le32_to_cpu(notif->values[IWL_TLC_NOTIF_INIT_RATE_POS]);
+ IWL_DEBUG_RATE(mvm, "new rate_n_flags: 0x%X\n",
+ lq_sta->last_rate_n_flags);
+ }
+}
+
+void rs_fw_rate_init(struct iwl_mvm *mvm, struct ieee80211_sta *sta,
+ enum nl80211_band band)
+{
+ struct ieee80211_hw *hw = mvm->hw;
+ struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
+ struct iwl_lq_sta_rs_fw *lq_sta = &mvmsta->lq_sta.rs_fw;
+ u32 cmd_id = iwl_cmd_id(TLC_MNG_CONFIG_CMD, DATA_PATH_GROUP, 0);
+ struct ieee80211_supported_band *sband;
+ struct iwl_tlc_config_cmd cfg_cmd = {
+ .sta_id = mvmsta->sta_id,
+ .max_supp_ch_width = rs_fw_bw_from_sta_bw(sta),
+ .flags = cpu_to_le16(rs_fw_set_config_flags(mvm, sta)),
+ .chains = rs_fw_set_active_chains(iwl_mvm_get_valid_tx_ant(mvm)),
+ .max_supp_ss = sta->rx_nss,
+ .max_ampdu_cnt = cpu_to_le32(mvmsta->max_agg_bufsize),
+ .sgi_ch_width_supp = rs_fw_sgi_cw_support(sta),
+ };
+ int ret;
+
+ memset(lq_sta, 0, offsetof(typeof(*lq_sta), pers));
+
+#ifdef CONFIG_IWLWIFI_DEBUGFS
+ iwl_mvm_reset_frame_stats(mvm);
+#endif
+ sband = hw->wiphy->bands[band];
+ rs_fw_set_supp_rates(sta, sband, &cfg_cmd);
+
+ ret = iwl_mvm_send_cmd_pdu(mvm, cmd_id, 0, sizeof(cfg_cmd), &cfg_cmd);
+ if (ret)
+ IWL_ERR(mvm, "Failed to send rate scale config (%d)\n", ret);
+
+ rs_fw_tlc_mng_notif_req_config(mvm, cfg_cmd.sta_id);
+}
+
+int rs_fw_tx_protection(struct iwl_mvm *mvm, struct iwl_mvm_sta *mvmsta,
+ bool enable)
+{
+ /* TODO: need to introduce a new FW cmd since LQ cmd is not relevant */
+ IWL_DEBUG_RATE(mvm, "tx protection - not implemented yet.\n");
+ return 0;
+}
+
+void iwl_mvm_rs_add_sta(struct iwl_mvm *mvm, struct iwl_mvm_sta *mvmsta)
+{
+ struct iwl_lq_sta_rs_fw *lq_sta = &mvmsta->lq_sta.rs_fw;
+
+ IWL_DEBUG_RATE(mvm, "create station rate scale window\n");
+
+ lq_sta->pers.drv = mvm;
+ lq_sta->pers.sta_id = mvmsta->sta_id;
+ lq_sta->pers.chains = 0;
+ memset(lq_sta->pers.chain_signal, 0, sizeof(lq_sta->pers.chain_signal));
+ lq_sta->pers.last_rssi = S8_MIN;
+ lq_sta->last_rate_n_flags = 0;
+
+#ifdef CONFIG_MAC80211_DEBUGFS
+ lq_sta->pers.dbg_fixed_rate = 0;
+#endif
+}
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rs.c b/drivers/net/wireless/intel/iwlwifi/mvm/rs.c
index c69515ed72df..60abb0084ee5 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/rs.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/rs.c
@@ -42,8 +42,6 @@
#include "mvm.h"
#include "debugfs.h"
-#define RS_NAME "iwl-mvm-rs"
-
#define IWL_RATE_MAX_WINDOW 62 /* # tx in history window */
/* Calculations of success ratio are done in fixed point where 12800 is 100%.
@@ -809,7 +807,7 @@ static int rs_collect_tlc_data(struct iwl_mvm *mvm,
return -EINVAL;
if (tbl->column != RS_COLUMN_INVALID) {
- struct lq_sta_pers *pers = &mvmsta->lq_sta.pers;
+ struct lq_sta_pers *pers = &mvmsta->lq_sta.rs_drv.pers;
pers->tx_stats[tbl->column][scale_index].total += attempts;
pers->tx_stats[tbl->column][scale_index].success += successes;
@@ -1206,7 +1204,7 @@ void iwl_mvm_rs_tx_status(struct iwl_mvm *mvm, struct ieee80211_sta *sta,
u8 lq_color = RS_DRV_DATA_LQ_COLOR_GET(tlc_info);
u32 tx_resp_hwrate = (uintptr_t)info->status.status_driver_data[1];
struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
- struct iwl_lq_sta *lq_sta = &mvmsta->lq_sta;
+ struct iwl_lq_sta *lq_sta = &mvmsta->lq_sta.rs_drv;
/* Treat uninitialized rate scaling data same as non-existing. */
if (!lq_sta) {
@@ -1416,13 +1414,13 @@ done:
/*
* mac80211 sends us Tx status
*/
-static void rs_mac80211_tx_status(void *mvm_r,
- struct ieee80211_supported_band *sband,
- struct ieee80211_sta *sta, void *priv_sta,
- struct sk_buff *skb)
+static void rs_drv_mac80211_tx_status(void *mvm_r,
+ struct ieee80211_supported_band *sband,
+ struct ieee80211_sta *sta, void *priv_sta,
+ struct sk_buff *skb)
{
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
- struct iwl_op_mode *op_mode = (struct iwl_op_mode *)mvm_r;
+ struct iwl_op_mode *op_mode = mvm_r;
struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
@@ -1877,12 +1875,10 @@ static int rs_switch_to_column(struct iwl_mvm *mvm,
struct rs_rate *rate = &search_tbl->rate;
const struct rs_tx_column *column = &rs_tx_columns[col_id];
const struct rs_tx_column *curr_column = &rs_tx_columns[tbl->column];
- u32 sz = (sizeof(struct iwl_scale_tbl_info) -
- (sizeof(struct iwl_rate_scale_data) * IWL_RATE_COUNT));
unsigned long rate_mask = 0;
u32 rate_idx = 0;
- memcpy(search_tbl, tbl, sz);
+ memcpy(search_tbl, tbl, offsetof(struct iwl_scale_tbl_info, win));
rate->sgi = column->sgi;
rate->ant = column->ant;
@@ -2787,9 +2783,10 @@ out:
/* Save info about RSSI of last Rx */
void rs_update_last_rssi(struct iwl_mvm *mvm,
- struct iwl_lq_sta *lq_sta,
+ struct iwl_mvm_sta *mvmsta,
struct ieee80211_rx_status *rx_status)
{
+ struct iwl_lq_sta *lq_sta = &mvmsta->lq_sta.rs_drv;
int i;
lq_sta->pers.chains = rx_status->chains;
@@ -2858,15 +2855,15 @@ static void rs_initialize_lq(struct iwl_mvm *mvm,
iwl_mvm_send_lq_cmd(mvm, &lq_sta->lq, init);
}
-static void rs_get_rate(void *mvm_r, struct ieee80211_sta *sta, void *mvm_sta,
- struct ieee80211_tx_rate_control *txrc)
+static void rs_drv_get_rate(void *mvm_r, struct ieee80211_sta *sta,
+ void *mvm_sta,
+ struct ieee80211_tx_rate_control *txrc)
{
- struct sk_buff *skb = txrc->skb;
- struct iwl_op_mode *op_mode __maybe_unused =
- (struct iwl_op_mode *)mvm_r;
+ struct iwl_op_mode *op_mode = mvm_r;
struct iwl_mvm *mvm __maybe_unused = IWL_OP_MODE_GET_MVM(op_mode);
+ struct sk_buff *skb = txrc->skb;
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
- struct iwl_lq_sta *lq_sta = mvm_sta;
+ struct iwl_lq_sta *lq_sta;
struct rs_rate *optimal_rate;
u32 last_ucode_rate;
@@ -2878,18 +2875,14 @@ static void rs_get_rate(void *mvm_r, struct ieee80211_sta *sta, void *mvm_sta,
mvm_sta = NULL;
}
- /* TODO: handle rate_idx_mask and rate_idx_mcs_mask */
-
- /* Treat uninitialized rate scaling data same as non-existing. */
- if (lq_sta && !lq_sta->pers.drv) {
- IWL_DEBUG_RATE(mvm, "Rate scaling not initialized yet.\n");
- mvm_sta = NULL;
- }
-
/* Send management frames and NO_ACK data using lowest rate. */
if (rate_control_send_low(sta, mvm_sta, txrc))
return;
+ if (!mvm_sta)
+ return;
+
+ lq_sta = mvm_sta;
iwl_mvm_hwrate_to_tx_rate(lq_sta->last_rate_n_flags,
info->band, &info->control.rates[0]);
info->control.rates[0].count = 1;
@@ -2906,13 +2899,13 @@ static void rs_get_rate(void *mvm_r, struct ieee80211_sta *sta, void *mvm_sta,
}
}
-static void *rs_alloc_sta(void *mvm_rate, struct ieee80211_sta *sta,
- gfp_t gfp)
+static void *rs_drv_alloc_sta(void *mvm_rate, struct ieee80211_sta *sta,
+ gfp_t gfp)
{
struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
struct iwl_op_mode *op_mode = (struct iwl_op_mode *)mvm_rate;
struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
- struct iwl_lq_sta *lq_sta = &mvmsta->lq_sta;
+ struct iwl_lq_sta *lq_sta = &mvmsta->lq_sta.rs_drv;
IWL_DEBUG_RATE(mvm, "create station rate scale window\n");
@@ -2926,7 +2919,7 @@ static void *rs_alloc_sta(void *mvm_rate, struct ieee80211_sta *sta,
memset(lq_sta->pers.chain_signal, 0, sizeof(lq_sta->pers.chain_signal));
lq_sta->pers.last_rssi = S8_MIN;
- return &mvmsta->lq_sta;
+ return lq_sta;
}
static int rs_vht_highest_rx_mcs_index(struct ieee80211_sta_vht_cap *vht_cap,
@@ -3043,7 +3036,7 @@ static void rs_vht_init(struct iwl_mvm *mvm,
}
#ifdef CONFIG_IWLWIFI_DEBUGFS
-static void iwl_mvm_reset_frame_stats(struct iwl_mvm *mvm)
+void iwl_mvm_reset_frame_stats(struct iwl_mvm *mvm)
{
spin_lock_bh(&mvm->drv_stats_lock);
memset(&mvm->drv_rx_stats, 0, sizeof(mvm->drv_rx_stats));
@@ -3111,15 +3104,15 @@ void iwl_mvm_update_frame_stats(struct iwl_mvm *mvm, u32 rate, bool agg)
/*
* Called after adding a new station to initialize rate scaling
*/
-void iwl_mvm_rs_rate_init(struct iwl_mvm *mvm, struct ieee80211_sta *sta,
- enum nl80211_band band, bool init)
+static void rs_drv_rate_init(struct iwl_mvm *mvm, struct ieee80211_sta *sta,
+ enum nl80211_band band, bool init)
{
int i, j;
struct ieee80211_hw *hw = mvm->hw;
struct ieee80211_sta_ht_cap *ht_cap = &sta->ht_cap;
struct ieee80211_sta_vht_cap *vht_cap = &sta->vht_cap;
struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
- struct iwl_lq_sta *lq_sta = &mvmsta->lq_sta;
+ struct iwl_lq_sta *lq_sta = &mvmsta->lq_sta.rs_drv;
struct ieee80211_supported_band *sband;
unsigned long supp; /* must be unsigned long for for_each_set_bit */
@@ -3194,16 +3187,15 @@ void iwl_mvm_rs_rate_init(struct iwl_mvm *mvm, struct ieee80211_sta *sta,
rs_initialize_lq(mvm, sta, lq_sta, band, init);
}
-static void rs_rate_update(void *mvm_r,
- struct ieee80211_supported_band *sband,
- struct cfg80211_chan_def *chandef,
- struct ieee80211_sta *sta, void *priv_sta,
- u32 changed)
+static void rs_drv_rate_update(void *mvm_r,
+ struct ieee80211_supported_band *sband,
+ struct cfg80211_chan_def *chandef,
+ struct ieee80211_sta *sta,
+ void *priv_sta, u32 changed)
{
+ struct iwl_op_mode *op_mode = mvm_r;
+ struct iwl_mvm *mvm __maybe_unused = IWL_OP_MODE_GET_MVM(op_mode);
u8 tid;
- struct iwl_op_mode *op_mode =
- (struct iwl_op_mode *)mvm_r;
- struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
if (!iwl_mvm_sta_from_mac80211(sta)->vif)
return;
@@ -3385,7 +3377,7 @@ static void rs_bfer_active_iter(void *_data,
{
struct rs_bfer_active_iter_data *data = _data;
struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
- struct iwl_lq_cmd *lq_cmd = &mvmsta->lq_sta.lq;
+ struct iwl_lq_cmd *lq_cmd = &mvmsta->lq_sta.rs_drv.lq;
u32 ss_params = le32_to_cpu(lq_cmd->ss_params);
if (sta == data->exclude_sta)
@@ -3497,7 +3489,8 @@ static void rs_set_lq_ss_params(struct iwl_mvm *mvm,
/* Disallow BFER on another STA if active and we're a higher priority */
if (rs_bfer_priority_cmp(mvmsta, bfer_mvmsta) > 0) {
- struct iwl_lq_cmd *bfersta_lq_cmd = &bfer_mvmsta->lq_sta.lq;
+ struct iwl_lq_cmd *bfersta_lq_cmd =
+ &bfer_mvmsta->lq_sta.rs_drv.lq;
u32 bfersta_ss_params = le32_to_cpu(bfersta_lq_cmd->ss_params);
bfersta_ss_params &= ~LQ_SS_BFER_ALLOWED;
@@ -3569,14 +3562,14 @@ static void *rs_alloc(struct ieee80211_hw *hw, struct dentry *debugfsdir)
{
return hw->priv;
}
+
/* rate scale requires free function to be implemented */
static void rs_free(void *mvm_rate)
{
return;
}
-static void rs_free_sta(void *mvm_r, struct ieee80211_sta *sta,
- void *mvm_sta)
+static void rs_free_sta(void *mvm_r, struct ieee80211_sta *sta, void *mvm_sta)
{
struct iwl_op_mode *op_mode __maybe_unused = mvm_r;
struct iwl_mvm *mvm __maybe_unused = IWL_OP_MODE_GET_MVM(op_mode);
@@ -3586,7 +3579,7 @@ static void rs_free_sta(void *mvm_r, struct ieee80211_sta *sta,
}
#ifdef CONFIG_MAC80211_DEBUGFS
-int rs_pretty_print_rate(char *buf, const u32 rate)
+int rs_pretty_print_rate(char *buf, int bufsz, const u32 rate)
{
char *type, *bw;
@@ -3597,10 +3590,10 @@ int rs_pretty_print_rate(char *buf, const u32 rate)
!(rate & RATE_MCS_VHT_MSK)) {
int index = iwl_hwrate_to_plcp_idx(rate);
- return sprintf(buf, "Legacy | ANT: %s Rate: %s Mbps\n",
- rs_pretty_ant(ant),
- index == IWL_RATE_INVALID ? "BAD" :
- iwl_rate_mcs[index].mbps);
+ return scnprintf(buf, bufsz, "Legacy | ANT: %s Rate: %s Mbps\n",
+ rs_pretty_ant(ant),
+ index == IWL_RATE_INVALID ? "BAD" :
+ iwl_rate_mcs[index].mbps);
}
if (rate & RATE_MCS_VHT_MSK) {
@@ -3634,12 +3627,13 @@ int rs_pretty_print_rate(char *buf, const u32 rate)
bw = "BAD BW";
}
- return sprintf(buf, "%s | ANT: %s BW: %s MCS: %d NSS: %d %s%s%s%s\n",
- type, rs_pretty_ant(ant), bw, mcs, nss,
- (rate & RATE_MCS_SGI_MSK) ? "SGI " : "NGI ",
- (rate & RATE_MCS_STBC_MSK) ? "STBC " : "",
- (rate & RATE_MCS_LDPC_MSK) ? "LDPC " : "",
- (rate & RATE_MCS_BF_MSK) ? "BF " : "");
+ return scnprintf(buf, bufsz,
+ "%s | ANT: %s BW: %s MCS: %d NSS: %d %s%s%s%s\n",
+ type, rs_pretty_ant(ant), bw, mcs, nss,
+ (rate & RATE_MCS_SGI_MSK) ? "SGI " : "NGI ",
+ (rate & RATE_MCS_STBC_MSK) ? "STBC " : "",
+ (rate & RATE_MCS_LDPC_MSK) ? "LDPC " : "",
+ (rate & RATE_MCS_BF_MSK) ? "BF " : "");
}
/**
@@ -3696,65 +3690,70 @@ static ssize_t rs_sta_dbgfs_scale_table_read(struct file *file,
int desc = 0;
int i = 0;
ssize_t ret;
+ static const size_t bufsz = 2048;
struct iwl_lq_sta *lq_sta = file->private_data;
struct iwl_mvm_sta *mvmsta =
- container_of(lq_sta, struct iwl_mvm_sta, lq_sta);
+ container_of(lq_sta, struct iwl_mvm_sta, lq_sta.rs_drv);
struct iwl_mvm *mvm;
struct iwl_scale_tbl_info *tbl = &(lq_sta->lq_info[lq_sta->active_tbl]);
struct rs_rate *rate = &tbl->rate;
u32 ss_params;
mvm = lq_sta->pers.drv;
- buff = kmalloc(2048, GFP_KERNEL);
+ buff = kmalloc(bufsz, GFP_KERNEL);
if (!buff)
return -ENOMEM;
- desc += sprintf(buff+desc, "sta_id %d\n", lq_sta->lq.sta_id);
- desc += sprintf(buff+desc, "failed=%d success=%d rate=0%lX\n",
- lq_sta->total_failed, lq_sta->total_success,
- lq_sta->active_legacy_rate);
- desc += sprintf(buff+desc, "fixed rate 0x%X\n",
- lq_sta->pers.dbg_fixed_rate);
- desc += sprintf(buff+desc, "valid_tx_ant %s%s%s\n",
+ desc += scnprintf(buff + desc, bufsz - desc,
+ "sta_id %d\n", lq_sta->lq.sta_id);
+ desc += scnprintf(buff + desc, bufsz - desc,
+ "failed=%d success=%d rate=0%lX\n",
+ lq_sta->total_failed, lq_sta->total_success,
+ lq_sta->active_legacy_rate);
+ desc += scnprintf(buff + desc, bufsz - desc, "fixed rate 0x%X\n",
+ lq_sta->pers.dbg_fixed_rate);
+ desc += scnprintf(buff + desc, bufsz - desc, "valid_tx_ant %s%s%s\n",
(iwl_mvm_get_valid_tx_ant(mvm) & ANT_A) ? "ANT_A," : "",
(iwl_mvm_get_valid_tx_ant(mvm) & ANT_B) ? "ANT_B," : "",
(iwl_mvm_get_valid_tx_ant(mvm) & ANT_C) ? "ANT_C" : "");
- desc += sprintf(buff+desc, "lq type %s\n",
- (is_legacy(rate)) ? "legacy" :
- is_vht(rate) ? "VHT" : "HT");
+ desc += scnprintf(buff + desc, bufsz - desc, "lq type %s\n",
+ (is_legacy(rate)) ? "legacy" :
+ is_vht(rate) ? "VHT" : "HT");
if (!is_legacy(rate)) {
- desc += sprintf(buff + desc, " %s",
+ desc += scnprintf(buff + desc, bufsz - desc, " %s",
(is_siso(rate)) ? "SISO" : "MIMO2");
- desc += sprintf(buff + desc, " %s",
+ desc += scnprintf(buff + desc, bufsz - desc, " %s",
(is_ht20(rate)) ? "20MHz" :
(is_ht40(rate)) ? "40MHz" :
(is_ht80(rate)) ? "80MHz" :
(is_ht160(rate)) ? "160MHz" : "BAD BW");
- desc += sprintf(buff + desc, " %s %s %s %s\n",
+ desc += scnprintf(buff + desc, bufsz - desc, " %s %s %s %s\n",
(rate->sgi) ? "SGI" : "NGI",
(rate->ldpc) ? "LDPC" : "BCC",
(lq_sta->is_agg) ? "AGG on" : "",
(mvmsta->tlc_amsdu) ? "AMSDU on" : "");
}
- desc += sprintf(buff+desc, "last tx rate=0x%X\n",
+ desc += scnprintf(buff + desc, bufsz - desc, "last tx rate=0x%X\n",
lq_sta->last_rate_n_flags);
- desc += sprintf(buff+desc,
+ desc += scnprintf(buff + desc, bufsz - desc,
"general: flags=0x%X mimo-d=%d s-ant=0x%x d-ant=0x%x\n",
lq_sta->lq.flags,
lq_sta->lq.mimo_delim,
lq_sta->lq.single_stream_ant_msk,
lq_sta->lq.dual_stream_ant_msk);
- desc += sprintf(buff+desc,
+ desc += scnprintf(buff + desc, bufsz - desc,
"agg: time_limit=%d dist_start_th=%d frame_cnt_limit=%d\n",
le16_to_cpu(lq_sta->lq.agg_time_limit),
lq_sta->lq.agg_disable_start_th,
lq_sta->lq.agg_frame_cnt_limit);
- desc += sprintf(buff+desc, "reduced tpc=%d\n", lq_sta->lq.reduced_tpc);
+ desc += scnprintf(buff + desc, bufsz - desc, "reduced tpc=%d\n",
+ lq_sta->lq.reduced_tpc);
ss_params = le32_to_cpu(lq_sta->lq.ss_params);
- desc += sprintf(buff+desc, "single stream params: %s%s%s%s\n",
+ desc += scnprintf(buff + desc, bufsz - desc,
+ "single stream params: %s%s%s%s\n",
(ss_params & LQ_SS_PARAMS_VALID) ?
"VALID" : "INVALID",
(ss_params & LQ_SS_BFER_ALLOWED) ?
@@ -3763,7 +3762,7 @@ static ssize_t rs_sta_dbgfs_scale_table_read(struct file *file,
", STBC" : "",
(ss_params & LQ_SS_FORCE) ?
", FORCE" : "");
- desc += sprintf(buff+desc,
+ desc += scnprintf(buff + desc, bufsz - desc,
"Start idx [0]=0x%x [1]=0x%x [2]=0x%x [3]=0x%x\n",
lq_sta->lq.initial_rate_index[0],
lq_sta->lq.initial_rate_index[1],
@@ -3773,8 +3772,9 @@ static ssize_t rs_sta_dbgfs_scale_table_read(struct file *file,
for (i = 0; i < LINK_QUAL_MAX_RETRY_NUM; i++) {
u32 r = le32_to_cpu(lq_sta->lq.rs_table[i]);
- desc += sprintf(buff+desc, " rate[%d] 0x%X ", i, r);
- desc += rs_pretty_print_rate(buff+desc, r);
+ desc += scnprintf(buff + desc, bufsz - desc,
+ " rate[%d] 0x%X ", i, r);
+ desc += rs_pretty_print_rate(buff + desc, bufsz - desc, r);
}
ret = simple_read_from_buffer(user_buf, count, ppos, buff, desc);
@@ -3987,12 +3987,13 @@ static ssize_t iwl_dbgfs_ss_force_write(struct iwl_lq_sta *lq_sta, char *buf,
MVM_DEBUGFS_READ_WRITE_FILE_OPS(ss_force, 32);
-static void rs_add_debugfs(void *mvm, void *priv_sta, struct dentry *dir)
+static void rs_drv_add_sta_debugfs(void *mvm, void *priv_sta,
+ struct dentry *dir)
{
struct iwl_lq_sta *lq_sta = priv_sta;
struct iwl_mvm_sta *mvmsta;
- mvmsta = container_of(lq_sta, struct iwl_mvm_sta, lq_sta);
+ mvmsta = container_of(lq_sta, struct iwl_mvm_sta, lq_sta.rs_drv);
if (!mvmsta->vif)
return;
@@ -4014,7 +4015,7 @@ err:
IWL_ERR((struct iwl_mvm *)mvm, "Can't create debugfs entity\n");
}
-static void rs_remove_debugfs(void *mvm, void *mvm_sta)
+void rs_remove_sta_debugfs(void *mvm, void *mvm_sta)
{
}
#endif
@@ -4024,50 +4025,53 @@ static void rs_remove_debugfs(void *mvm, void *mvm_sta)
* the station is added. Since mac80211 calls this function before a
* station is added we ignore it.
*/
-static void rs_rate_init_stub(void *mvm_r,
- struct ieee80211_supported_band *sband,
- struct cfg80211_chan_def *chandef,
- struct ieee80211_sta *sta, void *mvm_sta)
+static void rs_rate_init_ops(void *mvm_r,
+ struct ieee80211_supported_band *sband,
+ struct cfg80211_chan_def *chandef,
+ struct ieee80211_sta *sta, void *mvm_sta)
{
}
-static const struct rate_control_ops rs_mvm_ops = {
+/* ops for rate scaling implemented in the driver */
+static const struct rate_control_ops rs_mvm_ops_drv = {
.name = RS_NAME,
- .tx_status = rs_mac80211_tx_status,
- .get_rate = rs_get_rate,
- .rate_init = rs_rate_init_stub,
+ .tx_status = rs_drv_mac80211_tx_status,
+ .get_rate = rs_drv_get_rate,
+ .rate_init = rs_rate_init_ops,
.alloc = rs_alloc,
.free = rs_free,
- .alloc_sta = rs_alloc_sta,
+ .alloc_sta = rs_drv_alloc_sta,
.free_sta = rs_free_sta,
- .rate_update = rs_rate_update,
+ .rate_update = rs_drv_rate_update,
#ifdef CONFIG_MAC80211_DEBUGFS
- .add_sta_debugfs = rs_add_debugfs,
- .remove_sta_debugfs = rs_remove_debugfs,
+ .add_sta_debugfs = rs_drv_add_sta_debugfs,
+ .remove_sta_debugfs = rs_remove_sta_debugfs,
#endif
};
+void iwl_mvm_rs_rate_init(struct iwl_mvm *mvm, struct ieee80211_sta *sta,
+ enum nl80211_band band, bool init)
+{
+ if (iwl_mvm_has_tlc_offload(mvm))
+ rs_fw_rate_init(mvm, sta, band);
+ else
+ rs_drv_rate_init(mvm, sta, band, init);
+}
+
int iwl_mvm_rate_control_register(void)
{
- return ieee80211_rate_control_register(&rs_mvm_ops);
+ return ieee80211_rate_control_register(&rs_mvm_ops_drv);
}
void iwl_mvm_rate_control_unregister(void)
{
- ieee80211_rate_control_unregister(&rs_mvm_ops);
+ ieee80211_rate_control_unregister(&rs_mvm_ops_drv);
}
-/**
- * iwl_mvm_tx_protection - Gets LQ command, change it to enable/disable
- * Tx protection, according to this request and previous requests,
- * and send the LQ command.
- * @mvmsta: The station
- * @enable: Enable Tx protection?
- */
-int iwl_mvm_tx_protection(struct iwl_mvm *mvm, struct iwl_mvm_sta *mvmsta,
- bool enable)
+static int rs_drv_tx_protection(struct iwl_mvm *mvm, struct iwl_mvm_sta *mvmsta,
+ bool enable)
{
- struct iwl_lq_cmd *lq = &mvmsta->lq_sta.lq;
+ struct iwl_lq_cmd *lq = &mvmsta->lq_sta.rs_drv.lq;
lockdep_assert_held(&mvm->mutex);
@@ -4083,3 +4087,17 @@ int iwl_mvm_tx_protection(struct iwl_mvm *mvm, struct iwl_mvm_sta *mvmsta,
return iwl_mvm_send_lq_cmd(mvm, lq, false);
}
+
+/**
+ * iwl_mvm_tx_protection - ask FW to enable RTS/CTS protection
+ * @mvmsta: The station
+ * @enable: Enable Tx protection?
+ */
+int iwl_mvm_tx_protection(struct iwl_mvm *mvm, struct iwl_mvm_sta *mvmsta,
+ bool enable)
+{
+ if (iwl_mvm_has_tlc_offload(mvm))
+ return rs_fw_tx_protection(mvm, mvmsta, enable);
+ else
+ return rs_drv_tx_protection(mvm, mvmsta, enable);
+}
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rs.h b/drivers/net/wireless/intel/iwlwifi/mvm/rs.h
index 32b4d66debea..fb18cb8c233d 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/rs.h
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/rs.h
@@ -36,6 +36,8 @@
#include "fw-api.h"
#include "iwl-trans.h"
+#define RS_NAME "iwl-mvm-rs"
+
struct iwl_rs_rate_info {
u8 plcp; /* uCode API: IWL_RATE_6M_PLCP, etc. */
u8 plcp_ht_siso; /* uCode API: IWL_RATE_SISO_6M_PLCP, etc. */
@@ -218,6 +220,38 @@ struct iwl_rate_mcs_info {
};
/**
+ * struct iwl_lq_sta_rs_fw - rate and related statistics for RS in FW
+ * @last_rate_n_flags: last rate reported by FW
+ * @sta_id: the id of the station
+#ifdef CONFIG_MAC80211_DEBUGFS
+ * @dbg_fixed_rate: for debug, use fixed rate if not 0
+ * @dbg_agg_frame_count_lim: for debug, max number of frames in A-MPDU
+#endif
+ * @chains: bitmask of chains reported in %chain_signal
+ * @chain_signal: per chain signal strength
+ * @last_rssi: last rssi reported
+ * @drv: pointer back to the driver data
+ */
+
+struct iwl_lq_sta_rs_fw {
+ /* last tx rate_n_flags */
+ u32 last_rate_n_flags;
+
+ /* persistent fields - initialized only once - keep last! */
+ struct lq_sta_pers_rs_fw {
+ u32 sta_id;
+#ifdef CONFIG_MAC80211_DEBUGFS
+ u32 dbg_fixed_rate;
+ u16 dbg_agg_frame_count_lim;
+#endif
+ u8 chains;
+ s8 chain_signal[IEEE80211_MAX_CHAINS];
+ s8 last_rssi;
+ struct iwl_mvm *drv;
+ } pers;
+};
+
+/**
* struct iwl_rate_scale_data -- tx success history for one rate
*/
struct iwl_rate_scale_data {
@@ -407,4 +441,18 @@ struct iwl_mvm_sta;
int iwl_mvm_tx_protection(struct iwl_mvm *mvm, struct iwl_mvm_sta *mvmsta,
bool enable);
+#ifdef CONFIG_IWLWIFI_DEBUGFS
+void iwl_mvm_reset_frame_stats(struct iwl_mvm *mvm);
+#endif
+
+#ifdef CONFIG_MAC80211_DEBUGFS
+void rs_remove_sta_debugfs(void *mvm, void *mvm_sta);
+#endif
+
+void iwl_mvm_rs_add_sta(struct iwl_mvm *mvm, struct iwl_mvm_sta *mvmsta);
+void rs_fw_rate_init(struct iwl_mvm *mvm, struct ieee80211_sta *sta,
+ enum nl80211_band band);
+int rs_fw_tx_protection(struct iwl_mvm *mvm, struct iwl_mvm_sta *mvmsta,
+ bool enable);
+void iwl_mvm_tlc_update_notif(struct iwl_mvm *mvm, struct iwl_rx_packet *pkt);
#endif /* __rs__ */
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rx.c b/drivers/net/wireless/intel/iwlwifi/mvm/rx.c
index d1a40688d5e1..d26833c5ce1f 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/rx.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/rx.c
@@ -222,7 +222,9 @@ static u32 iwl_mvm_set_mac80211_rx_flag(struct iwl_mvm *mvm,
case RX_MPDU_RES_STATUS_SEC_TKIP_ENC:
/* Don't drop the frame and decrypt it in SW */
- if (!(rx_pkt_status & RX_MPDU_RES_STATUS_TTAK_OK))
+ if (!fw_has_api(&mvm->fw->ucode_capa,
+ IWL_UCODE_TLV_API_DEPRECATE_TTAK) &&
+ !(rx_pkt_status & RX_MPDU_RES_STATUS_TTAK_OK))
return 0;
*crypt_len = IEEE80211_TKIP_IV_LEN;
/* fall through if TTAK OK */
@@ -383,7 +385,7 @@ void iwl_mvm_rx_rx_mpdu(struct iwl_mvm *mvm, struct napi_struct *napi,
false);
}
- rs_update_last_rssi(mvm, &mvmsta->lq_sta, rx_status);
+ rs_update_last_rssi(mvm, mvmsta, rx_status);
if (iwl_fw_dbg_trigger_enabled(mvm->fw, FW_DBG_TRIGGER_RSSI) &&
ieee80211_is_beacon(hdr->frame_control)) {
@@ -439,7 +441,8 @@ void iwl_mvm_rx_rx_mpdu(struct iwl_mvm *mvm, struct napi_struct *napi,
rx_status->bw = RATE_INFO_BW_160;
break;
}
- if (rate_n_flags & RATE_MCS_SGI_MSK)
+ if (!(rate_n_flags & RATE_MCS_CCK_MSK) &&
+ rate_n_flags & RATE_MCS_SGI_MSK)
rx_status->enc_flags |= RX_ENC_FLAG_SHORT_GI;
if (rate_n_flags & RATE_HT_MCS_GF_MSK)
rx_status->enc_flags |= RX_ENC_FLAG_HT_GF;
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c b/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c
index 3b8d44361380..a3f7c1bf3cc8 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c
@@ -261,7 +261,9 @@ static int iwl_mvm_rx_crypto(struct iwl_mvm *mvm, struct ieee80211_hdr *hdr,
return 0;
case IWL_RX_MPDU_STATUS_SEC_TKIP:
/* Don't drop the frame and decrypt it in SW */
- if (!(status & IWL_RX_MPDU_RES_STATUS_TTAK_OK))
+ if (!fw_has_api(&mvm->fw->ucode_capa,
+ IWL_UCODE_TLV_API_DEPRECATE_TTAK) &&
+ !(status & IWL_RX_MPDU_RES_STATUS_TTAK_OK))
return 0;
*crypt_len = IEEE80211_TKIP_IV_LEN;
@@ -943,7 +945,7 @@ void iwl_mvm_rx_mpdu_mq(struct iwl_mvm *mvm, struct napi_struct *napi,
false);
}
- rs_update_last_rssi(mvm, &mvmsta->lq_sta, rx_status);
+ rs_update_last_rssi(mvm, mvmsta, rx_status);
if (iwl_fw_dbg_trigger_enabled(mvm->fw, FW_DBG_TRIGGER_RSSI) &&
ieee80211_is_beacon(hdr->frame_control)) {
@@ -1020,7 +1022,9 @@ void iwl_mvm_rx_mpdu_mq(struct iwl_mvm *mvm, struct napi_struct *napi,
rx_status->bw = RATE_INFO_BW_160;
break;
}
- if (rate_n_flags & RATE_MCS_SGI_MSK)
+
+ if (!(rate_n_flags & RATE_MCS_CCK_MSK) &&
+ rate_n_flags & RATE_MCS_SGI_MSK)
rx_status->enc_flags |= RX_ENC_FLAG_SHORT_GI;
if (rate_n_flags & RATE_HT_MCS_GF_MSK)
rx_status->enc_flags |= RX_ENC_FLAG_HT_GF;
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/scan.c b/drivers/net/wireless/intel/iwlwifi/mvm/scan.c
index e4fd476e9ccb..356b16f40e78 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/scan.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/scan.c
@@ -664,6 +664,22 @@ static u8 *iwl_mvm_copy_and_insert_ds_elem(struct iwl_mvm *mvm, const u8 *ies,
return newpos;
}
+#define WFA_TPC_IE_LEN 9
+
+static void iwl_mvm_add_tpc_report_ie(u8 *pos)
+{
+ pos[0] = WLAN_EID_VENDOR_SPECIFIC;
+ pos[1] = WFA_TPC_IE_LEN - 2;
+ pos[2] = (WLAN_OUI_MICROSOFT >> 16) & 0xff;
+ pos[3] = (WLAN_OUI_MICROSOFT >> 8) & 0xff;
+ pos[4] = WLAN_OUI_MICROSOFT & 0xff;
+ pos[5] = WLAN_OUI_TYPE_MICROSOFT_TPC;
+ pos[6] = 0;
+ /* pos[7] - tx power will be inserted by the FW */
+ pos[7] = 0;
+ pos[8] = 0;
+}
+
static void
iwl_mvm_build_scan_probe(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
struct ieee80211_scan_ies *ies,
@@ -716,7 +732,16 @@ iwl_mvm_build_scan_probe(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
memcpy(pos, ies->common_ies, ies->common_ie_len);
params->preq.common_data.offset = cpu_to_le16(pos - params->preq.buf);
- params->preq.common_data.len = cpu_to_le16(ies->common_ie_len);
+
+ if (iwl_mvm_rrm_scan_needed(mvm) &&
+ !fw_has_capa(&mvm->fw->ucode_capa,
+ IWL_UCODE_TLV_CAPA_WFA_TPC_REP_IE_SUPPORT)) {
+ iwl_mvm_add_tpc_report_ie(pos + ies->common_ie_len);
+ params->preq.common_data.len = cpu_to_le16(ies->common_ie_len +
+ WFA_TPC_IE_LEN);
+ } else {
+ params->preq.common_data.len = cpu_to_le16(ies->common_ie_len);
+ }
}
static void iwl_mvm_scan_lmac_dwell(struct iwl_mvm *mvm,
@@ -781,7 +806,9 @@ static int iwl_mvm_scan_lmac_flags(struct iwl_mvm *mvm,
if (params->type == IWL_SCAN_TYPE_FRAGMENTED)
flags |= IWL_MVM_LMAC_SCAN_FLAG_FRAGMENTED;
- if (iwl_mvm_rrm_scan_needed(mvm))
+ if (iwl_mvm_rrm_scan_needed(mvm) &&
+ fw_has_capa(&mvm->fw->ucode_capa,
+ IWL_UCODE_TLV_CAPA_WFA_TPC_REP_IE_SUPPORT))
flags |= IWL_MVM_LMAC_SCAN_FLAGS_RRM_ENABLED;
if (params->pass_all)
@@ -1183,7 +1210,9 @@ static u16 iwl_mvm_scan_umac_flags(struct iwl_mvm *mvm,
flags |= IWL_UMAC_SCAN_GEN_FLAGS_LMAC2_FRAGMENTED;
}
- if (iwl_mvm_rrm_scan_needed(mvm))
+ if (iwl_mvm_rrm_scan_needed(mvm) &&
+ fw_has_capa(&mvm->fw->ucode_capa,
+ IWL_UCODE_TLV_CAPA_WFA_TPC_REP_IE_SUPPORT))
flags |= IWL_UMAC_SCAN_GEN_FLAGS_RRM_ENABLED;
if (params->pass_all)
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/sta.c b/drivers/net/wireless/intel/iwlwifi/mvm/sta.c
index 1add5615fc3a..6b2674e02606 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/sta.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/sta.c
@@ -1439,6 +1439,13 @@ int iwl_mvm_add_sta(struct iwl_mvm *mvm,
goto err;
}
+ /*
+ * if rs is registered with mac80211, then "add station" will be handled
+ * via the corresponding ops, otherwise need to notify rate scaling here
+ */
+ if (iwl_mvm_has_tlc_offload(mvm))
+ iwl_mvm_rs_add_sta(mvm, mvm_sta);
+
update_fw:
ret = iwl_mvm_sta_send_to_fw(mvm, sta, sta_update, sta_flags);
if (ret)
@@ -1762,7 +1769,7 @@ int iwl_mvm_add_aux_sta(struct iwl_mvm *mvm)
}
/*
- * For a000 firmware and on we cannot add queue to a station unknown
+ * For 22000 firmware and on we cannot add queue to a station unknown
* to firmware so enable queue here - after the station was added
*/
if (iwl_mvm_has_new_tx_api(mvm))
@@ -1885,7 +1892,7 @@ int iwl_mvm_send_add_bcast_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
return ret;
/*
- * For a000 firmware and on we cannot add queue to a station unknown
+ * For 22000 firmware and on we cannot add queue to a station unknown
* to firmware so enable queue here - after the station was added
*/
if (iwl_mvm_has_new_tx_api(mvm)) {
@@ -2064,7 +2071,7 @@ int iwl_mvm_add_mcast_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
/*
* Enable cab queue after the ADD_STA command is sent.
- * This is needed for a000 firmware which won't accept SCD_QUEUE_CFG
+ * This is needed for 22000 firmware which won't accept SCD_QUEUE_CFG
* command with unknown station id, and for FW that doesn't support
* station API since the cab queue is not included in the
* tfd_queue_mask.
@@ -2530,7 +2537,7 @@ int iwl_mvm_sta_tx_agg_start(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
tid_data->next_reclaimed);
/*
- * In A000 HW, the next_reclaimed index is only 8 bit, so we'll need
+ * In 22000 HW, the next_reclaimed index is only 8 bit, so we'll need
* to align the wrap around of ssn so we compare relevant values.
*/
normalized_ssn = tid_data->ssn;
@@ -2575,6 +2582,13 @@ int iwl_mvm_sta_tx_agg_oper(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
.aggregate = true,
};
+ /*
+ * When FW supports TLC_OFFLOAD, it also implements Tx aggregation
+ * manager, so this function should never be called in this case.
+ */
+ if (WARN_ON_ONCE(iwl_mvm_has_tlc_offload(mvm)))
+ return -EINVAL;
+
BUILD_BUG_ON((sizeof(mvmsta->agg_tids) * BITS_PER_BYTE)
!= IWL_MAX_TID_COUNT);
@@ -2672,12 +2686,12 @@ out:
*/
mvmsta->max_agg_bufsize =
min(mvmsta->max_agg_bufsize, buf_size);
- mvmsta->lq_sta.lq.agg_frame_cnt_limit = mvmsta->max_agg_bufsize;
+ mvmsta->lq_sta.rs_drv.lq.agg_frame_cnt_limit = mvmsta->max_agg_bufsize;
IWL_DEBUG_HT(mvm, "Tx aggregation enabled on ra = %pM tid = %d\n",
sta->addr, tid);
- return iwl_mvm_send_lq_cmd(mvm, &mvmsta->lq_sta.lq, false);
+ return iwl_mvm_send_lq_cmd(mvm, &mvmsta->lq_sta.rs_drv.lq, false);
}
static void iwl_mvm_unreserve_agg_queue(struct iwl_mvm *mvm,
@@ -3615,7 +3629,7 @@ u16 iwl_mvm_tid_queued(struct iwl_mvm *mvm, struct iwl_mvm_tid_data *tid_data)
u16 sn = IEEE80211_SEQ_TO_SN(tid_data->seq_number);
/*
- * In A000 HW, the next_reclaimed index is only 8 bit, so we'll need
+ * In 22000 HW, the next_reclaimed index is only 8 bit, so we'll need
* to align the wrap around of ssn so we compare relevant values.
*/
if (mvm->trans->cfg->gen2)
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/sta.h b/drivers/net/wireless/intel/iwlwifi/mvm/sta.h
index aedabe101cf0..5ffd6adbc383 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/sta.h
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/sta.h
@@ -383,6 +383,8 @@ struct iwl_mvm_rxq_dup_data {
* and from Tx response flow, it needs a spinlock.
* @tid_data: per tid data + mgmt. Look at %iwl_mvm_tid_data.
* @tid_to_baid: a simple map of TID to baid
+ * @lq_sta: holds rate scaling data, either for the case when RS is done in
+ * the driver - %rs_drv or in the FW - %rs_fw.
* @reserved_queue: the queue reserved for this STA for DQA purposes
* Every STA has is given one reserved queue to allow it to operate. If no
* such queue can be guaranteed, the STA addition will fail.
@@ -417,7 +419,10 @@ struct iwl_mvm_sta {
spinlock_t lock;
struct iwl_mvm_tid_data tid_data[IWL_MAX_TID_COUNT + 1];
u8 tid_to_baid[IWL_MAX_TID_COUNT];
- struct iwl_lq_sta lq_sta;
+ union {
+ struct iwl_lq_sta_rs_fw rs_fw;
+ struct iwl_lq_sta rs_drv;
+ } lq_sta;
struct ieee80211_vif *vif;
struct iwl_mvm_key_pn __rcu *ptk_pn[4];
struct iwl_mvm_rxq_dup_data *dup_data;
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/time-event.c b/drivers/net/wireless/intel/iwlwifi/mvm/time-event.c
index e25cda9fbf6c..200ab50ec86b 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/time-event.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/time-event.c
@@ -101,7 +101,6 @@ void iwl_mvm_te_clear_data(struct iwl_mvm *mvm,
void iwl_mvm_roc_done_wk(struct work_struct *wk)
{
struct iwl_mvm *mvm = container_of(wk, struct iwl_mvm, roc_done_wk);
- u32 queues = 0;
/*
* Clear the ROC_RUNNING /ROC_AUX_RUNNING status bit.
@@ -110,14 +109,10 @@ void iwl_mvm_roc_done_wk(struct work_struct *wk)
* in the case that the time event actually completed in the firmware
* (which is handled in iwl_mvm_te_handle_notif).
*/
- if (test_and_clear_bit(IWL_MVM_STATUS_ROC_RUNNING, &mvm->status)) {
- queues |= BIT(IWL_MVM_OFFCHANNEL_QUEUE);
+ if (test_and_clear_bit(IWL_MVM_STATUS_ROC_RUNNING, &mvm->status))
iwl_mvm_unref(mvm, IWL_MVM_REF_ROC);
- }
- if (test_and_clear_bit(IWL_MVM_STATUS_ROC_AUX_RUNNING, &mvm->status)) {
- queues |= BIT(mvm->aux_queue);
+ if (test_and_clear_bit(IWL_MVM_STATUS_ROC_AUX_RUNNING, &mvm->status))
iwl_mvm_unref(mvm, IWL_MVM_REF_ROC_AUX);
- }
synchronize_net();
@@ -777,12 +772,6 @@ int iwl_mvm_start_p2p_roc(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
return -EBUSY;
}
- /*
- * Flush the done work, just in case it's still pending, so that
- * the work it does can complete and we can accept new frames.
- */
- flush_work(&mvm->roc_done_wk);
-
time_cmd.action = cpu_to_le32(FW_CTXT_ACTION_ADD);
time_cmd.id_and_color =
cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id, mvmvif->color));
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/tx.c b/drivers/net/wireless/intel/iwlwifi/mvm/tx.c
index 333bcb75b8af..dda77b327c98 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/tx.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/tx.c
@@ -888,10 +888,9 @@ static void iwl_mvm_tx_add_stream(struct iwl_mvm *mvm,
/*
* The first deferred frame should've stopped the MAC queues, so we
* should never get a second deferred frame for the RA/TID.
+ * In case of GSO the first packet may have been split, so don't warn.
*/
- if (!WARN(skb_queue_len(deferred_tx_frames) != 1,
- "RATID %d/%d has %d deferred frames\n", mvm_sta->sta_id, tid,
- skb_queue_len(deferred_tx_frames))) {
+ if (skb_queue_len(deferred_tx_frames) == 1) {
iwl_mvm_stop_mac_queues(mvm, BIT(mac_queue));
schedule_work(&mvm->add_stream_wk);
}
@@ -1132,7 +1131,7 @@ static void iwl_mvm_check_ratid_empty(struct iwl_mvm *mvm,
}
/*
- * In A000 HW, the next_reclaimed index is only 8 bit, so we'll need
+ * In 22000 HW, the next_reclaimed index is only 8 bit, so we'll need
* to align the wrap around of ssn so we compare relevant values.
*/
normalized_ssn = tid_data->ssn;
@@ -1624,7 +1623,7 @@ static void iwl_mvm_tx_reclaim(struct iwl_mvm *mvm, int sta_id, int tid,
int freed;
if (WARN_ONCE(sta_id >= IWL_MVM_STATION_COUNT ||
- tid >= IWL_MAX_TID_COUNT,
+ tid > IWL_MAX_TID_COUNT,
"sta_id %d tid %d", sta_id, tid))
return;
@@ -1679,7 +1678,7 @@ static void iwl_mvm_tx_reclaim(struct iwl_mvm *mvm, int sta_id, int tid,
if (ieee80211_is_data_qos(hdr->frame_control))
freed++;
else
- WARN_ON_ONCE(1);
+ WARN_ON_ONCE(tid != IWL_MAX_TID_COUNT);
iwl_trans_free_tx_cmd(mvm->trans, info->driver_data[1]);
@@ -1719,8 +1718,11 @@ static void iwl_mvm_tx_reclaim(struct iwl_mvm *mvm, int sta_id, int tid,
ba_info->band = chanctx_conf->def.chan->band;
iwl_mvm_hwrate_to_tx_status(rate, ba_info);
- IWL_DEBUG_TX_REPLY(mvm, "No reclaim. Update rs directly\n");
- iwl_mvm_rs_tx_status(mvm, sta, tid, ba_info, false);
+ if (!iwl_mvm_has_tlc_offload(mvm)) {
+ IWL_DEBUG_TX_REPLY(mvm,
+ "No reclaim. Update rs directly\n");
+ iwl_mvm_rs_tx_status(mvm, sta, tid, ba_info, false);
+ }
}
out:
@@ -1771,8 +1773,12 @@ void iwl_mvm_rx_ba_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb)
struct iwl_mvm_compressed_ba_tfd *ba_tfd =
&ba_res->tfd[i];
+ tid = ba_tfd->tid;
+ if (tid == IWL_MGMT_TID)
+ tid = IWL_MAX_TID_COUNT;
+
mvmsta->tid_data[i].lq_color = lq_color;
- iwl_mvm_tx_reclaim(mvm, sta_id, ba_tfd->tid,
+ iwl_mvm_tx_reclaim(mvm, sta_id, tid,
(int)(le16_to_cpu(ba_tfd->q_num)),
le16_to_cpu(ba_tfd->tfd_index),
&ba_info,
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/utils.c b/drivers/net/wireless/intel/iwlwifi/mvm/utils.c
index 03ffd84786ca..d65e1db7c097 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/utils.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/utils.c
@@ -278,8 +278,8 @@ u8 iwl_mvm_next_antenna(struct iwl_mvm *mvm, u8 valid, u8 last_idx)
u8 ind = last_idx;
int i;
- for (i = 0; i < RATE_MCS_ANT_NUM; i++) {
- ind = (ind + 1) % RATE_MCS_ANT_NUM;
+ for (i = 0; i < MAX_RS_ANT_NUM; i++) {
+ ind = (ind + 1) % MAX_RS_ANT_NUM;
if (valid & BIT(ind))
return ind;
}
@@ -516,8 +516,7 @@ static void iwl_mvm_dump_lmac_error_log(struct iwl_mvm *mvm, u32 base)
IWL_ERR(trans, "HW error, resetting before reading\n");
/* reset the device */
- iwl_set_bit(trans, CSR_RESET, CSR_RESET_REG_FLAG_SW_RESET);
- usleep_range(5000, 6000);
+ iwl_trans_sw_reset(trans);
/* set INIT_DONE flag */
iwl_set_bit(trans, CSR_GP_CNTRL,
@@ -595,6 +594,12 @@ static void iwl_mvm_dump_lmac_error_log(struct iwl_mvm *mvm, u32 base)
void iwl_mvm_dump_nic_error_log(struct iwl_mvm *mvm)
{
+ if (!test_bit(STATUS_DEVICE_ENABLED, &mvm->trans->status)) {
+ IWL_ERR(mvm,
+ "DEVICE_ENABLED bit is not set. Aborting dump.\n");
+ return;
+ }
+
iwl_mvm_dump_lmac_error_log(mvm, mvm->error_event_table[0]);
if (mvm->error_event_table[1])
@@ -906,7 +911,8 @@ int iwl_mvm_send_lq_cmd(struct iwl_mvm *mvm, struct iwl_lq_cmd *lq, bool init)
.data = { lq, },
};
- if (WARN_ON(lq->sta_id == IWL_MVM_INVALID_STA))
+ if (WARN_ON(lq->sta_id == IWL_MVM_INVALID_STA ||
+ iwl_mvm_has_tlc_offload(mvm)))
return -EINVAL;
return iwl_mvm_send_cmd(mvm, &cmd);
@@ -1025,12 +1031,34 @@ int iwl_mvm_update_low_latency(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
{
struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
int res;
+ bool low_latency;
lockdep_assert_held(&mvm->mutex);
- if (iwl_mvm_vif_low_latency(mvmvif) == prev)
+ low_latency = iwl_mvm_vif_low_latency(mvmvif);
+
+ if (low_latency == prev)
return 0;
+ if (fw_has_capa(&mvm->fw->ucode_capa,
+ IWL_UCODE_TLV_CAPA_DYNAMIC_QUOTA)) {
+ struct iwl_mac_low_latency_cmd cmd = {
+ .mac_id = cpu_to_le32(mvmvif->id)
+ };
+
+ if (low_latency) {
+ /* currently we don't care about the direction */
+ cmd.low_latency_rx = 1;
+ cmd.low_latency_tx = 1;
+ }
+ res = iwl_mvm_send_cmd_pdu(mvm,
+ iwl_cmd_id(LOW_LATENCY_CMD,
+ MAC_CONF_GROUP, 0),
+ 0, sizeof(cmd), &cmd);
+ if (res)
+ IWL_ERR(mvm, "Failed to send low latency command\n");
+ }
+
res = iwl_mvm_update_quotas(mvm, false, NULL);
if (res)
return res;