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qcacld-3.0: Check if netdev feature need to update

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Currently based on the INI option we are scheduling
work to dynamically disable/enable checksum offload and TSO.
But in the case of roaming from latency critical connection
to latency critical connection or non-latency critical connection
to non-latency critical connection, we do not need to schedule work.

So adding a condition to check :
For non-latency critical connection: If checksum offload and TSO are
not disabled then schedule work.
For latency critical: If checksum offload and TSO are
not enabled then schedule work.

Change-Id: I75a51707774c3428971dfe5cc0b0d3cdc2a17ac8
CRs-Fixed: 3054183
This commit is contained in:
Amit Mehta 2022-01-17 05:43:40 -08:00 • committed by Madan Koyyalamudi
commit 670edc32cf
3 changed files with 36 additions and 5 deletions
Download patch file Download diff file Expand all files Collapse all files

2
core/hdd/inc/wlan_hdd_main.h
View file

@ -1530,6 +1530,8 @@ struct hdd_adapter {
uint8_t gro_disallowed[DP_MAX_RX_THREADS];
uint8_t gro_flushed[DP_MAX_RX_THREADS];
bool handle_feature_update;
/* Indicate if TSO and checksum offload features are enabled or not */
bool tso_csum_feature_enabled;
bool runtime_disable_rx_thread;
ol_txrx_rx_fp rx_stack;

27
core/hdd/src/wlan_hdd_assoc.c
View file

@ -2895,6 +2895,30 @@ void hdd_clear_fils_connection_info(struct hdd_adapter *adapter)
}
#endif
/**
* hdd_netif_features_update_required() - Check if feature update
* is required
* @adapter: pointer to the adapter structure
* Returns: true if the connection is legacy and TSO and Checksum offload
* enabled or if the connection is not latency and TSO and Checksum
* offload are not enabled, false otherwise
*/
static bool hdd_netif_features_update_required(struct hdd_adapter *adapter)
{
bool is_legacy_connection = hdd_is_legacy_connection(adapter);
hdd_debug("Legacy Connection: %d, TSO_CSUM Feature Enabled:%d",
is_legacy_connection, adapter->tso_csum_feature_enabled);
if (adapter->tso_csum_feature_enabled && is_legacy_connection)
return true;
if (!adapter->tso_csum_feature_enabled && !is_legacy_connection)
return true;
return false;
}
/**
* hdd_netif_queue_enable() - Enable the network queue for a
* particular adapter.
@ -2912,7 +2936,8 @@ static inline void hdd_netif_queue_enable(struct hdd_adapter *adapter)
ol_txrx_soc_handle soc = cds_get_context(QDF_MODULE_ID_SOC);
struct hdd_context *hdd_ctx = WLAN_HDD_GET_CTX(adapter);
if (cdp_cfg_get(soc, cfg_dp_disable_legacy_mode_csum_offload)) {
if (cdp_cfg_get(soc, cfg_dp_disable_legacy_mode_csum_offload) &&
hdd_netif_features_update_required(adapter)) {
hdd_adapter_ops_record_event(hdd_ctx,
WLAN_HDD_ADAPTER_OPS_WORK_POST,
adapter->vdev_id);

12
core/hdd/src/wlan_hdd_main.c
View file

@ -5084,13 +5084,15 @@ static netdev_features_t __hdd_fix_features(struct net_device *net_dev,
}
feature_tso_csum = hdd_get_tso_csum_feature_flags();
if (hdd_is_legacy_connection(adapter))
if (hdd_is_legacy_connection(adapter)) {
/* Disable checksum and TSO */
feature_change_req &= ~feature_tso_csum;
else
adapter->tso_csum_feature_enabled = 0;
} else {
/* Enable checksum and TSO */
feature_change_req |= feature_tso_csum;
adapter->tso_csum_feature_enabled = 1;
}
hdd_debug("vdev mode %d current features 0x%llx, requesting feature change 0x%llx",
adapter->device_mode, net_dev->features,
feature_change_req);
@ -7731,9 +7733,11 @@ void hdd_set_netdev_flags(struct hdd_adapter *adapter)
adapter->dev->features |=
(NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM);
if (cdp_cfg_get(soc, cfg_dp_tso_enable) && enable_csum)
if (cdp_cfg_get(soc, cfg_dp_tso_enable) && enable_csum) {
adapter->dev->features |=
(NETIF_F_TSO | NETIF_F_TSO6 | NETIF_F_SG);
adapter->tso_csum_feature_enabled = 1;
}
adapter->dev->features |= NETIF_F_RXCSUM;
temp = (uint64_t)adapter->dev->features;