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path: root/drivers/net/wireless/iwlwifi/mvm/d3.c
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Diffstat (limited to 'drivers/net/wireless/iwlwifi/mvm/d3.c')
-rw-r--r--drivers/net/wireless/iwlwifi/mvm/d3.c138
1 files changed, 116 insertions, 22 deletions
diff --git a/drivers/net/wireless/iwlwifi/mvm/d3.c b/drivers/net/wireless/iwlwifi/mvm/d3.c
index 417639f77b01..ab5c1f0e0622 100644
--- a/drivers/net/wireless/iwlwifi/mvm/d3.c
+++ b/drivers/net/wireless/iwlwifi/mvm/d3.c
@@ -67,6 +67,7 @@
#include <net/cfg80211.h>
#include <net/ipv6.h>
#include <net/tcp.h>
+#include <net/addrconf.h>
#include "iwl-modparams.h"
#include "fw-api.h"
#include "mvm.h"
@@ -381,14 +382,74 @@ static int iwl_mvm_send_proto_offload(struct iwl_mvm *mvm,
union {
struct iwl_proto_offload_cmd_v1 v1;
struct iwl_proto_offload_cmd_v2 v2;
+ struct iwl_proto_offload_cmd_v3_small v3s;
+ struct iwl_proto_offload_cmd_v3_large v3l;
} cmd = {};
+ struct iwl_host_cmd hcmd = {
+ .id = PROT_OFFLOAD_CONFIG_CMD,
+ .flags = CMD_SYNC,
+ .data[0] = &cmd,
+ .dataflags[0] = IWL_HCMD_DFL_DUP,
+ };
struct iwl_proto_offload_cmd_common *common;
u32 enabled = 0, size;
+ u32 capa_flags = mvm->fw->ucode_capa.flags;
#if IS_ENABLED(CONFIG_IPV6)
struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
int i;
- if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_D3_6_IPV6_ADDRS) {
+ if (capa_flags & IWL_UCODE_TLV_FLAGS_NEW_NSOFFL_SMALL ||
+ capa_flags & IWL_UCODE_TLV_FLAGS_NEW_NSOFFL_LARGE) {
+ struct iwl_ns_config *nsc;
+ struct iwl_targ_addr *addrs;
+ int n_nsc, n_addrs;
+ int c;
+
+ if (capa_flags & IWL_UCODE_TLV_FLAGS_NEW_NSOFFL_SMALL) {
+ nsc = cmd.v3s.ns_config;
+ n_nsc = IWL_PROTO_OFFLOAD_NUM_NS_CONFIG_V3S;
+ addrs = cmd.v3s.targ_addrs;
+ n_addrs = IWL_PROTO_OFFLOAD_NUM_IPV6_ADDRS_V3S;
+ } else {
+ nsc = cmd.v3l.ns_config;
+ n_nsc = IWL_PROTO_OFFLOAD_NUM_NS_CONFIG_V3L;
+ addrs = cmd.v3l.targ_addrs;
+ n_addrs = IWL_PROTO_OFFLOAD_NUM_IPV6_ADDRS_V3L;
+ }
+
+ if (mvmvif->num_target_ipv6_addrs)
+ enabled |= IWL_D3_PROTO_OFFLOAD_NS;
+
+ /*
+ * For each address we have (and that will fit) fill a target
+ * address struct and combine for NS offload structs with the
+ * solicited node addresses.
+ */
+ for (i = 0, c = 0;
+ i < mvmvif->num_target_ipv6_addrs &&
+ i < n_addrs && c < n_nsc; i++) {
+ struct in6_addr solicited_addr;
+ int j;
+
+ addrconf_addr_solict_mult(&mvmvif->target_ipv6_addrs[i],
+ &solicited_addr);
+ for (j = 0; j < c; j++)
+ if (ipv6_addr_cmp(&nsc[j].dest_ipv6_addr,
+ &solicited_addr) == 0)
+ break;
+ if (j == c)
+ c++;
+ addrs[i].addr = mvmvif->target_ipv6_addrs[i];
+ addrs[i].config_num = cpu_to_le32(j);
+ nsc[j].dest_ipv6_addr = solicited_addr;
+ memcpy(nsc[j].target_mac_addr, vif->addr, ETH_ALEN);
+ }
+
+ if (capa_flags & IWL_UCODE_TLV_FLAGS_NEW_NSOFFL_SMALL)
+ cmd.v3s.num_valid_ipv6_addrs = cpu_to_le32(i);
+ else
+ cmd.v3l.num_valid_ipv6_addrs = cpu_to_le32(i);
+ } else if (capa_flags & IWL_UCODE_TLV_FLAGS_D3_6_IPV6_ADDRS) {
if (mvmvif->num_target_ipv6_addrs) {
enabled |= IWL_D3_PROTO_OFFLOAD_NS;
memcpy(cmd.v2.ndp_mac_addr, vif->addr, ETH_ALEN);
@@ -419,7 +480,13 @@ static int iwl_mvm_send_proto_offload(struct iwl_mvm *mvm,
}
#endif
- if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_D3_6_IPV6_ADDRS) {
+ if (capa_flags & IWL_UCODE_TLV_FLAGS_NEW_NSOFFL_SMALL) {
+ common = &cmd.v3s.common;
+ size = sizeof(cmd.v3s);
+ } else if (capa_flags & IWL_UCODE_TLV_FLAGS_NEW_NSOFFL_LARGE) {
+ common = &cmd.v3l.common;
+ size = sizeof(cmd.v3l);
+ } else if (capa_flags & IWL_UCODE_TLV_FLAGS_D3_6_IPV6_ADDRS) {
common = &cmd.v2.common;
size = sizeof(cmd.v2);
} else {
@@ -438,8 +505,8 @@ static int iwl_mvm_send_proto_offload(struct iwl_mvm *mvm,
common->enabled = cpu_to_le32(enabled);
- return iwl_mvm_send_cmd_pdu(mvm, PROT_OFFLOAD_CONFIG_CMD, CMD_SYNC,
- size, &cmd);
+ hcmd.len[0] = size;
+ return iwl_mvm_send_cmd(mvm, &hcmd);
}
enum iwl_mvm_tcp_packet_type {
@@ -793,6 +860,31 @@ static int iwl_mvm_d3_reprogram(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
return 0;
}
+static int iwl_mvm_get_last_nonqos_seq(struct iwl_mvm *mvm,
+ struct ieee80211_vif *vif)
+{
+ struct iwl_host_cmd cmd = {
+ .id = NON_QOS_TX_COUNTER_CMD,
+ .flags = CMD_SYNC | CMD_WANT_SKB,
+ };
+ int err;
+ u32 size;
+
+ err = iwl_mvm_send_cmd(mvm, &cmd);
+ if (err)
+ return err;
+
+ size = le32_to_cpu(cmd.resp_pkt->len_n_flags) & FH_RSCSR_FRAME_SIZE_MSK;
+ size -= sizeof(cmd.resp_pkt->hdr);
+ if (size != sizeof(__le32))
+ err = -EINVAL;
+ else
+ err = le32_to_cpup((__le32 *)cmd.resp_pkt->data);
+
+ iwl_free_resp(&cmd);
+ return err;
+}
+
static int __iwl_mvm_suspend(struct ieee80211_hw *hw,
struct cfg80211_wowlan *wowlan,
bool test)
@@ -829,7 +921,6 @@ static int __iwl_mvm_suspend(struct ieee80211_hw *hw,
};
int ret, i;
int len __maybe_unused;
- u16 seq;
u8 old_aux_sta_id, old_ap_sta_id = IWL_MVM_STATION_COUNT;
if (!wowlan) {
@@ -872,26 +963,15 @@ static int __iwl_mvm_suspend(struct ieee80211_hw *hw,
mvm_ap_sta = (struct iwl_mvm_sta *)ap_sta->drv_priv;
- /*
- * The D3 firmware still hardcodes the AP station ID for the
- * BSS we're associated with as 0. Store the real STA ID here
- * and assign 0. When we leave this function, we'll restore
- * the original value for the resume code.
- */
- old_ap_sta_id = mvm_ap_sta->sta_id;
- mvm_ap_sta->sta_id = 0;
- mvmvif->ap_sta_id = 0;
-
/* TODO: wowlan_config_cmd.wowlan_ba_teardown_tids */
wowlan_config_cmd.is_11n_connection = ap_sta->ht_cap.ht_supported;
- /*
- * We know the last used seqno, and the uCode expects to know that
- * one, it will increment before TX.
- */
- seq = mvm_ap_sta->last_seq_ctl & IEEE80211_SCTL_SEQ;
- wowlan_config_cmd.non_qos_seq = cpu_to_le16(seq);
+ /* Query the last used seqno and set it */
+ ret = iwl_mvm_get_last_nonqos_seq(mvm, vif);
+ if (ret < 0)
+ goto out_noreset;
+ wowlan_config_cmd.non_qos_seq = cpu_to_le16(ret);
/*
* For QoS counters, we store the one to use next, so subtract 0x10
@@ -899,7 +979,7 @@ static int __iwl_mvm_suspend(struct ieee80211_hw *hw,
* increment after using the value (i.e. store the next value to use).
*/
for (i = 0; i < IWL_MAX_TID_COUNT; i++) {
- seq = mvm_ap_sta->tid_data[i].seq_number;
+ u16 seq = mvm_ap_sta->tid_data[i].seq_number;
seq -= 0x10;
wowlan_config_cmd.qos_seq[i] = cpu_to_le16(seq);
}
@@ -945,6 +1025,16 @@ static int __iwl_mvm_suspend(struct ieee80211_hw *hw,
iwl_trans_stop_device(mvm->trans);
/*
+ * The D3 firmware still hardcodes the AP station ID for the
+ * BSS we're associated with as 0. Store the real STA ID here
+ * and assign 0. When we leave this function, we'll restore
+ * the original value for the resume code.
+ */
+ old_ap_sta_id = mvm_ap_sta->sta_id;
+ mvm_ap_sta->sta_id = 0;
+ mvmvif->ap_sta_id = 0;
+
+ /*
* Set the HW restart bit -- this is mostly true as we're
* going to load new firmware and reprogram that, though
* the reprogramming is going to be manual to avoid adding
@@ -1059,6 +1149,10 @@ static int __iwl_mvm_suspend(struct ieee80211_hw *hw,
if (ret)
goto out;
+ ret = iwl_mvm_power_update_device_mode(mvm);
+ if (ret)
+ goto out;
+
ret = iwl_mvm_power_update_mode(mvm, vif);
if (ret)
goto out;