summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
Diffstat
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/d3.c6
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/fw-api-d3.h4
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/mvm.h2
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/offloading.c74
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/ops.c3
5 files changed, 69 insertions, 20 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/d3.c b/drivers/net/wireless/intel/iwlwifi/mvm/d3.c
index b1c99921c376..8824a894aab0 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/d3.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/d3.c
@@ -104,9 +104,13 @@ void iwl_mvm_ipv6_addr_change(struct ieee80211_hw *hw,
struct inet6_ifaddr *ifa;
int idx = 0;
+ memset(mvmvif->tentative_addrs, 0, sizeof(mvmvif->tentative_addrs));
+
read_lock_bh(&idev->lock);
list_for_each_entry(ifa, &idev->addr_list, if_list) {
mvmvif->target_ipv6_addrs[idx] = ifa->addr;
+ if (ifa->flags & IFA_F_TENTATIVE)
+ __set_bit(idx, mvmvif->tentative_addrs);
idx++;
if (idx >= IWL_PROTO_OFFLOAD_NUM_IPV6_ADDRS_MAX)
break;
@@ -964,7 +968,7 @@ iwl_mvm_wowlan_config(struct iwl_mvm *mvm,
if (ret)
return ret;
- ret = iwl_mvm_send_proto_offload(mvm, vif, false, 0);
+ ret = iwl_mvm_send_proto_offload(mvm, vif, false, true, 0);
if (ret)
return ret;
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw-api-d3.h b/drivers/net/wireless/intel/iwlwifi/mvm/fw-api-d3.h
index 228684cfdb7e..c36c9563f744 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/fw-api-d3.h
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw-api-d3.h
@@ -94,10 +94,14 @@ struct iwl_d3_manager_config {
* enum iwl_d3_proto_offloads - enabled protocol offloads
* @IWL_D3_PROTO_OFFLOAD_ARP: ARP data is enabled
* @IWL_D3_PROTO_OFFLOAD_NS: NS (Neighbor Solicitation) is enabled
+ * @IWL_D3_PROTO_IPV4_VALID: IPv4 data is valid
+ * @IWL_D3_PROTO_IPV6_VALID: IPv6 data is valid
*/
enum iwl_proto_offloads {
IWL_D3_PROTO_OFFLOAD_ARP = BIT(0),
IWL_D3_PROTO_OFFLOAD_NS = BIT(1),
+ IWL_D3_PROTO_IPV4_VALID = BIT(2),
+ IWL_D3_PROTO_IPV6_VALID = BIT(3),
};
#define IWL_PROTO_OFFLOAD_NUM_IPV6_ADDRS_V1 2
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h
index 3fc7199abc94..d8760fa9e322 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h
@@ -422,6 +422,7 @@ struct iwl_mvm_vif {
#if IS_ENABLED(CONFIG_IPV6)
/* IPv6 addresses for WoWLAN */
struct in6_addr target_ipv6_addrs[IWL_PROTO_OFFLOAD_NUM_IPV6_ADDRS_MAX];
+ unsigned long tentative_addrs[BITS_TO_LONGS(IWL_PROTO_OFFLOAD_NUM_IPV6_ADDRS_MAX)];
int num_target_ipv6_addrs;
#endif
@@ -1299,6 +1300,7 @@ void iwl_mvm_set_wowlan_qos_seq(struct iwl_mvm_sta *mvm_ap_sta,
int iwl_mvm_send_proto_offload(struct iwl_mvm *mvm,
struct ieee80211_vif *vif,
bool disable_offloading,
+ bool offload_ns,
u32 cmd_flags);
/* D0i3 */
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/offloading.c b/drivers/net/wireless/intel/iwlwifi/mvm/offloading.c
index f83e2bc6d0d5..6338d9cf7070 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/offloading.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/offloading.c
@@ -7,6 +7,7 @@
*
* Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
+ * Copyright(c) 2015 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
@@ -33,6 +34,7 @@
*
* Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
+ * Copyright(c) 2015 Intel Deutschland GmbH
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -64,6 +66,7 @@
*****************************************************************************/
#include <net/ipv6.h>
#include <net/addrconf.h>
+#include <linux/bitops.h>
#include "mvm.h"
void iwl_mvm_set_wowlan_qos_seq(struct iwl_mvm_sta *mvm_ap_sta,
@@ -86,6 +89,7 @@ void iwl_mvm_set_wowlan_qos_seq(struct iwl_mvm_sta *mvm_ap_sta,
int iwl_mvm_send_proto_offload(struct iwl_mvm *mvm,
struct ieee80211_vif *vif,
bool disable_offloading,
+ bool offload_ns,
u32 cmd_flags)
{
union {
@@ -106,6 +110,13 @@ int iwl_mvm_send_proto_offload(struct iwl_mvm *mvm,
#if IS_ENABLED(CONFIG_IPV6)
struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
int i;
+ /*
+ * Skip tentative address when ns offload is enabled to avoid
+ * violating RFC4862.
+ * Keep tentative address when ns offload is disabled so the NS packets
+ * will not be filtered out and will wake up the host.
+ */
+ bool skip_tentative = offload_ns;
if (capa_flags & IWL_UCODE_TLV_FLAGS_NEW_NSOFFL_SMALL ||
capa_flags & IWL_UCODE_TLV_FLAGS_NEW_NSOFFL_LARGE) {
@@ -113,6 +124,7 @@ int iwl_mvm_send_proto_offload(struct iwl_mvm *mvm,
struct iwl_targ_addr *addrs;
int n_nsc, n_addrs;
int c;
+ int num_skipped = 0;
if (capa_flags & IWL_UCODE_TLV_FLAGS_NEW_NSOFFL_SMALL) {
nsc = cmd.v3s.ns_config;
@@ -126,9 +138,6 @@ int iwl_mvm_send_proto_offload(struct iwl_mvm *mvm,
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
@@ -140,6 +149,12 @@ int iwl_mvm_send_proto_offload(struct iwl_mvm *mvm,
struct in6_addr solicited_addr;
int j;
+ if (skip_tentative &&
+ test_bit(i, mvmvif->tentative_addrs)) {
+ num_skipped++;
+ continue;
+ }
+
addrconf_addr_solict_mult(&mvmvif->target_ipv6_addrs[i],
&solicited_addr);
for (j = 0; j < c; j++)
@@ -154,41 +169,64 @@ int iwl_mvm_send_proto_offload(struct iwl_mvm *mvm,
memcpy(nsc[j].target_mac_addr, vif->addr, ETH_ALEN);
}
+ if (mvmvif->num_target_ipv6_addrs - num_skipped)
+ enabled |= IWL_D3_PROTO_IPV6_VALID;
+
if (capa_flags & IWL_UCODE_TLV_FLAGS_NEW_NSOFFL_SMALL)
- cmd.v3s.num_valid_ipv6_addrs = cpu_to_le32(i);
+ cmd.v3s.num_valid_ipv6_addrs =
+ cpu_to_le32(i - num_skipped);
else
- cmd.v3l.num_valid_ipv6_addrs = cpu_to_le32(i);
+ cmd.v3l.num_valid_ipv6_addrs =
+ cpu_to_le32(i - num_skipped);
} 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);
- }
+ bool found = false;
BUILD_BUG_ON(sizeof(cmd.v2.target_ipv6_addr[0]) !=
sizeof(mvmvif->target_ipv6_addrs[0]));
for (i = 0; i < min(mvmvif->num_target_ipv6_addrs,
- IWL_PROTO_OFFLOAD_NUM_IPV6_ADDRS_V2); i++)
+ IWL_PROTO_OFFLOAD_NUM_IPV6_ADDRS_V2); i++) {
+ if (skip_tentative &&
+ test_bit(i, mvmvif->tentative_addrs))
+ continue;
+
memcpy(cmd.v2.target_ipv6_addr[i],
&mvmvif->target_ipv6_addrs[i],
sizeof(cmd.v2.target_ipv6_addr[i]));
- } else {
- if (mvmvif->num_target_ipv6_addrs) {
- enabled |= IWL_D3_PROTO_OFFLOAD_NS;
- memcpy(cmd.v1.ndp_mac_addr, vif->addr, ETH_ALEN);
- }
+ found = true;
+ }
+ if (found) {
+ enabled |= IWL_D3_PROTO_IPV6_VALID;
+ memcpy(cmd.v2.ndp_mac_addr, vif->addr, ETH_ALEN);
+ }
+ } else {
+ bool found = false;
BUILD_BUG_ON(sizeof(cmd.v1.target_ipv6_addr[0]) !=
sizeof(mvmvif->target_ipv6_addrs[0]));
for (i = 0; i < min(mvmvif->num_target_ipv6_addrs,
- IWL_PROTO_OFFLOAD_NUM_IPV6_ADDRS_V1); i++)
+ IWL_PROTO_OFFLOAD_NUM_IPV6_ADDRS_V1); i++) {
+ if (skip_tentative &&
+ test_bit(i, mvmvif->tentative_addrs))
+ continue;
+
memcpy(cmd.v1.target_ipv6_addr[i],
&mvmvif->target_ipv6_addrs[i],
sizeof(cmd.v1.target_ipv6_addr[i]));
+
+ found = true;
+ }
+
+ if (found) {
+ enabled |= IWL_D3_PROTO_IPV6_VALID;
+ memcpy(cmd.v1.ndp_mac_addr, vif->addr, ETH_ALEN);
+ }
}
-#endif
+ if (offload_ns && (enabled & IWL_D3_PROTO_IPV6_VALID))
+ enabled |= IWL_D3_PROTO_OFFLOAD_NS;
+#endif
if (capa_flags & IWL_UCODE_TLV_FLAGS_NEW_NSOFFL_SMALL) {
common = &cmd.v3s.common;
size = sizeof(cmd.v3s);
@@ -204,7 +242,7 @@ int iwl_mvm_send_proto_offload(struct iwl_mvm *mvm,
}
if (vif->bss_conf.arp_addr_cnt) {
- enabled |= IWL_D3_PROTO_OFFLOAD_ARP;
+ enabled |= IWL_D3_PROTO_OFFLOAD_ARP | IWL_D3_PROTO_IPV4_VALID;
common->host_ipv4_addr = vif->bss_conf.arp_addr_list[0];
memcpy(common->arp_mac_addr, vif->addr, ETH_ALEN);
}
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c
index 31c16a185001..4753ecd1abda 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c
@@ -1153,7 +1153,8 @@ static void iwl_mvm_enter_d0i3_iterator(void *_data, u8 *mac,
data->disable_offloading = true;
iwl_mvm_update_d0i3_power_mode(mvm, vif, true, flags);
- iwl_mvm_send_proto_offload(mvm, vif, data->disable_offloading, flags);
+ iwl_mvm_send_proto_offload(mvm, vif, data->disable_offloading,
+ false, flags);
/*
* on init/association, mvm already configures POWER_TABLE_CMD
generated by cgit v1.2.3 (git 2.25.1) at 2024-08-07 01:18:26 +0000