在 2021/8/11 22:44, Jian Shen 写道:
Use netdev_feature_xxx helpers to replace the logical operation for netdev features.
Signed-off-by: Jian Shen shenjian15@huawei.com
drivers/net/vmxnet3/vmxnet3_drv.c | 78 ++++++++++++++++++++++------------- drivers/net/vmxnet3/vmxnet3_ethtool.c | 73 ++++++++++++++++++++------------ 2 files changed, 96 insertions(+), 55 deletions(-)
diff --git a/drivers/net/vmxnet3/vmxnet3_drv.c b/drivers/net/vmxnet3/vmxnet3_drv.c index e3c6b7e..5611a10 100644 --- a/drivers/net/vmxnet3/vmxnet3_drv.c +++ b/drivers/net/vmxnet3/vmxnet3_drv.c @@ -1223,7 +1223,9 @@ vmxnet3_rx_csum(struct vmxnet3_adapter *adapter, struct sk_buff *skb, union Vmxnet3_GenericDesc *gdesc) {
- if (!gdesc->rcd.cnc && adapter->netdev->features & NETIF_F_RXCSUM) {
- if (!gdesc->rcd.cnc &&
netdev_feature_test_bit(NETIF_F_RXCSUM_BIT,adapter->netdev->features)) {@@ -1478,7 +1480,8 @@ vmxnet3_rq_rx_complete(struct vmxnet3_rx_queue *rq,
#ifdef VMXNET3_RSS if (rcd->rssType != VMXNET3_RCD_RSS_TYPE_NONE &&
(adapter->netdev->features & NETIF_F_RXHASH)) {
netdev_feature_test_bit(NETIF_F_RXHASH_BIT,adapter->netdev->features)) { enum pkt_hash_types hash_type; switch (rcd->rssType) {@@ -1581,7 +1584,8 @@ vmxnet3_rq_rx_complete(struct vmxnet3_rx_queue *rq, (union Vmxnet3_GenericDesc *)rcd); skb->protocol = eth_type_trans(skb, adapter->netdev); if (!rcd->tcp ||
!(adapter->netdev->features & NETIF_F_LRO))
!netdev_feature_test_bit(NETIF_F_LRO_BIT,adapter->netdev->features)) goto not_lro; if (segCnt != 0 && mss != 0) {@@ -1612,7 +1616,8 @@ vmxnet3_rq_rx_complete(struct vmxnet3_rx_queue *rq, if (unlikely(rcd->ts)) __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), rcd->tci);
if (adapter->netdev->features & NETIF_F_LRO)
if (netdev_feature_test_bit(NETIF_F_LRO_BIT,adapter->netdev->features)) netif_receive_skb(skb); else napi_gro_receive(&rq->napi, skb);@@ -2501,18 +2506,22 @@ vmxnet3_setup_driver_shared(struct vmxnet3_adapter *adapter) devRead->misc.ddLen = cpu_to_le32(sizeof(struct vmxnet3_adapter));
/* set up feature flags */
- if (adapter->netdev->features & NETIF_F_RXCSUM)
- if (netdev_feature_test_bit(NETIF_F_RXCSUM_BIT,
adapter->netdev->features))
- if (adapter->netdev->features & NETIF_F_LRO) {
- if (netdev_feature_test_bit(NETIF_F_LRO_BIT,
adapter->netdev->features)) {
- if (adapter->netdev->features & NETIF_F_HW_VLAN_CTAG_RX)
- if (netdev_feature_test_bit(NETIF_F_HW_VLAN_CTAG_RX_BIT,
adapter->netdev->features))
- if (adapter->netdev->features & (NETIF_F_GSO_UDP_TUNNEL |
NETIF_F_GSO_UDP_TUNNEL_CSUM))
if (netdev_feature_test_bits(NETIF_F_GSO_UDP_TUNNEL |
NETIF_F_GSO_UDP_TUNNEL_CSUM,adapter->netdev->features))devRead->misc.uptFeatures |= UPT1_F_RXINNEROFLD;
devRead->misc.mtu = cpu_to_le32(adapter->netdev->mtu);
@@ -3163,28 +3172,40 @@ vmxnet3_declare_features(struct vmxnet3_adapter *adapter, bool dma64) { struct net_device *netdev = adapter->netdev;
- netdev->hw_features = NETIF_F_SG | NETIF_F_RXCSUM |
NETIF_F_HW_CSUM | NETIF_F_HW_VLAN_CTAG_TX |NETIF_F_HW_VLAN_CTAG_RX | NETIF_F_TSO | NETIF_F_TSO6 |NETIF_F_LRO;
netdev_feature_zero(&netdev->hw_features);
netdev_feature_set_bits(NETIF_F_SG | NETIF_F_RXCSUM |
NETIF_F_HW_CSUM | NETIF_F_HW_VLAN_CTAG_TX |NETIF_F_HW_VLAN_CTAG_RX | NETIF_F_TSO |NETIF_F_TSO6 | NETIF_F_LRO,&netdev->hw_features);if (VMXNET3_VERSION_GE_4(adapter)) {
netdev->hw_features |= NETIF_F_GSO_UDP_TUNNEL |NETIF_F_GSO_UDP_TUNNEL_CSUM;netdev->hw_enc_features = NETIF_F_SG | NETIF_F_RXCSUM |NETIF_F_HW_CSUM | NETIF_F_HW_VLAN_CTAG_TX |NETIF_F_HW_VLAN_CTAG_RX | NETIF_F_TSO | NETIF_F_TSO6 |NETIF_F_LRO | NETIF_F_GSO_UDP_TUNNEL |NETIF_F_GSO_UDP_TUNNEL_CSUM;
netdev_feature_zero(&netdev->hw_features);
redundant assignedment, will remove it in next version
netdev_feature_set_bits(NETIF_F_GSO_UDP_TUNNEL |NETIF_F_GSO_UDP_TUNNEL_CSUM,&netdev->hw_features);netdev_feature_zero(&netdev->hw_enc_features);netdev_feature_set_bits(NETIF_F_SG | NETIF_F_RXCSUM |NETIF_F_HW_CSUM |NETIF_F_HW_VLAN_CTAG_TX |NETIF_F_HW_VLAN_CTAG_RX |NETIF_F_TSO | NETIF_F_TSO6 |NETIF_F_LRO | NETIF_F_GSO_UDP_TUNNEL |NETIF_F_GSO_UDP_TUNNEL_CSUM,&netdev->hw_enc_features);}
if (dma64)
netdev->hw_features |= NETIF_F_HIGHDMA;- netdev->vlan_features = netdev->hw_features &
~(NETIF_F_HW_VLAN_CTAG_TX |NETIF_F_HW_VLAN_CTAG_RX);- netdev->features = netdev->hw_features | NETIF_F_HW_VLAN_CTAG_FILTER;
netdev_feature_set_bit(NETIF_F_HIGHDMA_BIT,&netdev->hw_features);- netdev_feature_copy(&netdev->vlan_features, netdev->hw_features);
- netdev_feature_clear_bits(NETIF_F_HW_VLAN_CTAG_TX |
NETIF_F_HW_VLAN_CTAG_RX,&netdev->vlan_features);- netdev_feature_copy(&netdev->features, netdev->hw_features);
- netdev_feature_set_bit(NETIF_F_HW_VLAN_CTAG_FILTER_BIT,
&netdev->features);@@ -3636,8 +3657,9 @@ vmxnet3_probe_device(struct pci_dev *pdev, if (adapter->num_rx_queues > 1 && adapter->intr.type == VMXNET3_IT_MSIX) { adapter->rss = true;
netdev->hw_features |= NETIF_F_RXHASH;netdev->features |= NETIF_F_RXHASH;
netdev_feature_set_bit(NETIF_F_RXHASH_BIT,&netdev->hw_features);netdev_feature_set_bit(NETIF_F_RXHASH_BIT, &netdev->features);diff --git a/drivers/net/vmxnet3/vmxnet3_ethtool.c b/drivers/net/vmxnet3/vmxnet3_ethtool.c index 9b3acf4..0e36170 100644 --- a/drivers/net/vmxnet3/vmxnet3_ethtool.c +++ b/drivers/net/vmxnet3/vmxnet3_ethtool.c @@ -250,8 +250,8 @@ void vmxnet3_fix_features(struct net_device *netdev, netdev_features_t *features) { /* If Rx checksum is disabled, then LRO should also be disabled */
- if (!(*features & NETIF_F_RXCSUM))
*features &= ~NETIF_F_LRO;
if (!netdev_feature_test_bit(NETIF_F_RXCSUM_BIT, *features))
netdev_feature_clear_bit(NETIF_F_LRO_BIT, features);}
void vmxnet3_features_check(struct sk_buff *skb, struct net_device *netdev,
@@ -274,7 +274,9 @@ void vmxnet3_features_check(struct sk_buff *skb, struct net_device *netdev, l4_proto = ipv6_hdr(skb)->nexthdr; break; default:
*features &= ~(NETIF_F_CSUM_MASK | NETIF_F_GSO_MASK);
netdev_feature_clear_bits(NETIF_F_CSUM_MASK |NETIF_F_GSO_MASK,features); return;@@ -286,12 +288,16 @@ void vmxnet3_features_check(struct sk_buff *skb, struct net_device *netdev, if (port != GENEVE_UDP_PORT && port != IANA_VXLAN_UDP_PORT && port != VXLAN_UDP_PORT) {
*features &= ~(NETIF_F_CSUM_MASK | NETIF_F_GSO_MASK);
netdev_feature_clear_bits(NETIF_F_CSUM_MASK |NETIF_F_GSO_MASK,features); return; } break;
*features &= ~(NETIF_F_CSUM_MASK | NETIF_F_GSO_MASK);
netdev_feature_clear_bits(NETIF_F_CSUM_MASK |NETIF_F_GSO_MASK,features); return;@@ -302,11 +308,14 @@ static void vmxnet3_enable_encap_offloads(struct net_device *netdev) struct vmxnet3_adapter *adapter = netdev_priv(netdev);
if (VMXNET3_VERSION_GE_4(adapter)) {
netdev->hw_enc_features |= NETIF_F_SG | NETIF_F_RXCSUM |NETIF_F_HW_CSUM | NETIF_F_HW_VLAN_CTAG_TX |NETIF_F_HW_VLAN_CTAG_RX | NETIF_F_TSO | NETIF_F_TSO6 |NETIF_F_LRO | NETIF_F_GSO_UDP_TUNNEL |NETIF_F_GSO_UDP_TUNNEL_CSUM;
netdev_feature_set_bits(NETIF_F_SG | NETIF_F_RXCSUM |NETIF_F_HW_CSUM |NETIF_F_HW_VLAN_CTAG_TX |NETIF_F_HW_VLAN_CTAG_RX |NETIF_F_TSO | NETIF_F_TSO6 |NETIF_F_LRO | NETIF_F_GSO_UDP_TUNNEL |NETIF_F_GSO_UDP_TUNNEL_CSUM,&netdev->hw_enc_features);@@ -315,26 +324,33 @@ static void vmxnet3_disable_encap_offloads(struct net_device *netdev) struct vmxnet3_adapter *adapter = netdev_priv(netdev);
if (VMXNET3_VERSION_GE_4(adapter)) {
netdev->hw_enc_features &= ~(NETIF_F_SG | NETIF_F_RXCSUM |NETIF_F_HW_CSUM | NETIF_F_HW_VLAN_CTAG_TX |NETIF_F_HW_VLAN_CTAG_RX | NETIF_F_TSO | NETIF_F_TSO6 |NETIF_F_LRO | NETIF_F_GSO_UDP_TUNNEL |NETIF_F_GSO_UDP_TUNNEL_CSUM);
netdev_feature_clear_bits(NETIF_F_SG | NETIF_F_RXCSUM |NETIF_F_HW_CSUM |NETIF_F_HW_VLAN_CTAG_TX |NETIF_F_HW_VLAN_CTAG_RX |NETIF_F_TSO | NETIF_F_TSO6 |NETIF_F_LRO | NETIF_F_GSO_UDP_TUNNEL |NETIF_F_GSO_UDP_TUNNEL_CSUM,&netdev->hw_enc_features);} }
int vmxnet3_set_features(struct net_device *netdev, netdev_features_t features) { struct vmxnet3_adapter *adapter = netdev_priv(netdev);
u64 tun_offload_mask = NETIF_F_GSO_UDP_TUNNEL |
NETIF_F_GSO_UDP_TUNNEL_CSUM;netdev_features_t changed; unsigned long flags;
- netdev_features_t changed = features ^ netdev->features;
- netdev_features_t tun_offload_mask = NETIF_F_GSO_UDP_TUNNEL |
NETIF_F_GSO_UDP_TUNNEL_CSUM;- u8 udp_tun_enabled = (netdev->features & tun_offload_mask) != 0;
- if (changed & (NETIF_F_RXCSUM | NETIF_F_LRO |
NETIF_F_HW_VLAN_CTAG_RX | tun_offload_mask)) {if (features & NETIF_F_RXCSUM)
- u8 udp_tun_enabled;
- netdev_feature_xor(&changed, netdev->features, features);
- udp_tun_enabled = netdev_feature_test_bits(tun_offload_mask,
netdev->features);- if (netdev_feature_test_bits(NETIF_F_RXCSUM | NETIF_F_LRO |
NETIF_F_HW_VLAN_CTAG_RX |tun_offload_mask, changed)) {if (netdev_feature_test_bit(NETIF_F_RXCSUM_BIT, features)) adapter->shared->devRead.misc.uptFeatures |= UPT1_F_RXCSUM;@@ -342,25 +358,28 @@ int vmxnet3_set_features(struct net_device *netdev, netdev_features_t features) ~UPT1_F_RXCSUM;
/* update hardware LRO capability accordingly */
if (features & NETIF_F_LRO)
if (netdev_feature_test_bit(NETIF_F_LRO_BIT, features)) adapter->shared->devRead.misc.uptFeatures |= UPT1_F_LRO;
if (features & NETIF_F_HW_VLAN_CTAG_RX)
if (netdev_feature_test_bit(NETIF_F_HW_VLAN_CTAG_RX_BIT,features)) adapter->shared->devRead.misc.uptFeatures |= UPT1_F_RXVLAN;
if ((features & tun_offload_mask) != 0 && !udp_tun_enabled) {
if (netdev_feature_test_bits(tun_offload_mask, features) &&!udp_tun_enabled) { vmxnet3_enable_encap_offloads(netdev); adapter->shared->devRead.misc.uptFeatures |= UPT1_F_RXINNEROFLD;
} else if ((features & tun_offload_mask) == 0 &&
} else if (!netdev_feature_test_bits(tun_offload_mask,features) && udp_tun_enabled) { vmxnet3_disable_encap_offloads(netdev); adapter->shared->devRead.misc.uptFeatures &=