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wlan-ap-Telecominfraproject/feeds/wifi-ax/mac80211/patches/qca/192-ath11k-fix-rx-bytes-value-not-updated-on-mesh.patch
John Crispin 8cd26b4b50 ipq807x: update to 11.4-CS 
Signed-off-by: John Crispin <john@phrozen.org>
2021-09-14 09:16:23 +02:00

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From 7f711a26742fffdcf10cda6089b2442f1da4db60 Mon Sep 17 00:00:00 2001
From: Thiraviyam Mariyappan <tmariyap@codeaurora.org>
Date: Wed, 17 Jun 2020 11:19:32 +0530
Subject: [PATCH] mac80211: fix rx bytes values not updated on mesh link
Previously, for mesh link the rx stats from pcpu is not
updating. Due to this, rx bytes are not updated. Fixing
that by updating the rx stats from pcpu rx stats
Signed-off-by: Thiraviyam Mariyappan <tmariyap@codeaurora.org>
---
net/mac80211/rx.c | 27 ++++++++++++++++-----------
1 file changed, 16 insertions(+), 11 deletions(-)
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -1720,11 +1720,18 @@ ieee80211_rx_h_sta_process(struct ieee80
struct sk_buff *skb = rx->skb;
struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(skb);
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
+ struct ieee80211_local *local = rx->sdata->local;
+ struct ieee80211_sta_rx_stats *stats;
int i;
if (!sta)
return RX_CONTINUE;
+ stats = &sta->rx_stats;
+
+ if (ieee80211_hw_check(&local->hw, USES_RSS))
+ stats = this_cpu_ptr(sta->pcpu_rx_stats);
+
/*
* Update last_rx only for IBSS packets which are for the current
* BSSID and for station already AUTHORIZED to avoid keeping the
@@ -1734,49 +1741,49 @@ ieee80211_rx_h_sta_process(struct ieee80
* something went wrong the first time.
*/
if (rx->sdata->vif.type == NL80211_IFTYPE_ADHOC) {
- u8 *bssid = ieee80211_get_bssid(hdr, rx->skb->len,
+ u8 *bssid = ieee80211_get_bssid(hdr, skb->len,
NL80211_IFTYPE_ADHOC);
if (ether_addr_equal(bssid, rx->sdata->u.ibss.bssid) &&
test_sta_flag(sta, WLAN_STA_AUTHORIZED)) {
- sta->rx_stats.last_rx = jiffies;
+ stats->last_rx = jiffies;
if (ieee80211_is_data(hdr->frame_control) &&
!is_multicast_ether_addr(hdr->addr1))
sta->rx_stats.last_rate =
sta_stats_encode_rate(status);
}
} else if (rx->sdata->vif.type == NL80211_IFTYPE_OCB) {
- sta->rx_stats.last_rx = jiffies;
+ stats->last_rx = jiffies;
} else if (!ieee80211_is_s1g_beacon(hdr->frame_control) &&
!is_multicast_ether_addr(hdr->addr1)) {
/*
* Mesh beacons will update last_rx when if they are found to
* match the current local configuration when processed.
*/
- sta->rx_stats.last_rx = jiffies;
+ stats->last_rx = jiffies;
if (ieee80211_is_data(hdr->frame_control))
- sta->rx_stats.last_rate = sta_stats_encode_rate(status);
+ stats->last_rate = sta_stats_encode_rate(status);
}
- sta->rx_stats.fragments++;
+ stats->fragments++;
- u64_stats_update_begin(&rx->sta->rx_stats.syncp);
- sta->rx_stats.bytes += rx->skb->len;
- u64_stats_update_end(&rx->sta->rx_stats.syncp);
+ u64_stats_update_begin(&stats->syncp);
+ stats->bytes += skb->len;
+ u64_stats_update_end(&stats->syncp);
if (!(status->flag & RX_FLAG_NO_SIGNAL_VAL)) {
- sta->rx_stats.last_signal = status->signal;
+ stats->last_signal = status->signal;
ewma_signal_add(&sta->rx_stats_avg.signal, -status->signal);
}
if (status->chains) {
- sta->rx_stats.chains = status->chains;
+ stats->chains = status->chains;
for (i = 0; i < ARRAY_SIZE(status->chain_signal); i++) {
int signal = status->chain_signal[i];
if (!(status->chains & BIT(i)))
continue;
- sta->rx_stats.chain_signal_last[i] = signal;
+ stats->chain_signal_last[i] = signal;
ewma_signal_add(&sta->rx_stats_avg.chain_signal[i],
-signal);
}
@@ -1838,8 +1845,8 @@ ieee80211_rx_h_sta_process(struct ieee80
* Update counter and free packet here to avoid
* counting this as a dropped packed.
*/
- sta->rx_stats.packets++;
- dev_kfree_skb(rx->skb);
+ stats->packets++;
+ dev_kfree_skb(skb);
return RX_QUEUED;
}
@@ -2202,6 +2209,7 @@ ieee80211_rx_h_defragment(struct ieee802
unsigned int frag, seq;
struct ieee80211_fragment_entry *entry;
struct sk_buff *skb;
+ struct ieee80211_sta_rx_stats *stats;
hdr = (struct ieee80211_hdr *)rx->skb->data;
fc = hdr->frame_control;
@@ -2330,8 +2338,12 @@ ieee80211_rx_h_defragment(struct ieee802
out:
ieee80211_led_rx(rx->local);
out_no_led:
- if (rx->sta)
- rx->sta->rx_stats.packets++;
+ if (rx->sta) {
+ stats = &rx->sta->rx_stats;
+ if (ieee80211_hw_check(&rx->sdata->local->hw, USES_RSS))
+ stats = this_cpu_ptr(rx->sta->pcpu_rx_stats);
+ stats->packets++;
+ }
return RX_CONTINUE;
}
@@ -3132,6 +3144,7 @@ ieee80211_rx_h_action(struct ieee80211_r
struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *) rx->skb->data;
struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(rx->skb);
int len = rx->skb->len;
+ struct ieee80211_sta_rx_stats *stats;
if (!ieee80211_is_action(mgmt->frame_control))
return RX_CONTINUE;
@@ -3413,16 +3426,24 @@ ieee80211_rx_h_action(struct ieee80211_r
return RX_CONTINUE;
handled:
- if (rx->sta)
- rx->sta->rx_stats.packets++;
+ if (rx->sta) {
+ stats = &rx->sta->rx_stats;
+ if (ieee80211_hw_check(&local->hw, USES_RSS))
+ stats = this_cpu_ptr(rx->sta->pcpu_rx_stats);
+ stats->packets++;
+ }
dev_kfree_skb(rx->skb);
return RX_QUEUED;
queue:
skb_queue_tail(&sdata->skb_queue, rx->skb);
ieee80211_queue_work(&local->hw, &sdata->work);
- if (rx->sta)
- rx->sta->rx_stats.packets++;
+ if (rx->sta) {
+ stats = &rx->sta->rx_stats;
+ if (ieee80211_hw_check(&local->hw, USES_RSS))
+ stats = this_cpu_ptr(rx->sta->pcpu_rx_stats);
+ stats->packets++;
+ }
return RX_QUEUED;
}
@@ -3465,6 +3486,7 @@ ieee80211_rx_h_action_post_userspace(str
struct ieee80211_sub_if_data *sdata = rx->sdata;
struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *) rx->skb->data;
int len = rx->skb->len;
+ struct ieee80211_sta_rx_stats *stats;
if (!ieee80211_is_action(mgmt->frame_control))
return RX_CONTINUE;
@@ -3488,8 +3510,12 @@ ieee80211_rx_h_action_post_userspace(str
return RX_CONTINUE;
handled:
- if (rx->sta)
- rx->sta->rx_stats.packets++;
+ if (rx->sta) {
+ stats = &rx->sta->rx_stats;
+ if (ieee80211_hw_check(&rx->sdata->local->hw, USES_RSS))
+ stats = this_cpu_ptr(rx->sta->pcpu_rx_stats);
+ stats->packets++;
+ }
dev_kfree_skb(rx->skb);
return RX_QUEUED;
}
@@ -3583,6 +3609,7 @@ ieee80211_rx_h_mgmt(struct ieee80211_rx_
{
struct ieee80211_sub_if_data *sdata = rx->sdata;
struct ieee80211_mgmt *mgmt = (void *)rx->skb->data;
+ struct ieee80211_sta_rx_stats *stats;
__le16 stype;
stype = mgmt->frame_control & cpu_to_le16(IEEE80211_FCTL_STYPE);
@@ -3633,8 +3660,12 @@ ieee80211_rx_h_mgmt(struct ieee80211_rx_
/* queue up frame and kick off work to process it */
skb_queue_tail(&sdata->skb_queue, rx->skb);
ieee80211_queue_work(&rx->local->hw, &sdata->work);
- if (rx->sta)
- rx->sta->rx_stats.packets++;
+ if (rx->sta) {
+ stats = &rx->sta->rx_stats;
+ if (ieee80211_hw_check(&rx->sdata->local->hw, USES_RSS))
+ stats = this_cpu_ptr(rx->sta->pcpu_rx_stats);
+ stats->packets++;
+ }
return RX_QUEUED;
}
--- a/net/mac80211/mesh_plink.c
+++ b/net/mac80211/mesh_plink.c
@@ -416,6 +416,7 @@ static void mesh_sta_info_init(struct ie
struct ieee80211_supported_band *sband;
u32 rates, basic_rates = 0, changed = 0;
enum ieee80211_sta_rx_bandwidth bw = sta->sta.bandwidth;
+ struct ieee80211_sta_rx_stats *stats;
sband = ieee80211_get_sband(sdata);
if (!sband)
@@ -425,7 +426,10 @@ static void mesh_sta_info_init(struct ie
&basic_rates);
spin_lock_bh(&sta->mesh->plink_lock);
- sta->rx_stats.last_rx = jiffies;
+ stats = &sta->rx_stats;
+ if (ieee80211_hw_check(&local->hw, USES_RSS))
+ stats = this_cpu_ptr(sta->pcpu_rx_stats);
+ stats->last_rx = jiffies;
/* rates and capabilities don't change during peering */
if (sta->mesh->plink_state == NL80211_PLINK_ESTAB &&
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