在 2022/8/10 17:58, Alexander Lobakin 写道:
From: Jian Shen shenjian15@huawei.com Date: Wed, 10 Aug 2022 11:05:50 +0800
There are many netdev_features bits group used in kernel. The definition will be illegal when using feature bit more than 64. Replace these macroes with global netdev_features variables, initialize them when netdev module init.
Signed-off-by: Jian Shen shenjian15@huawei.com
drivers/net/hyperv/hyperv_net.h | 5 +- include/linux/netdev_features.h | 111 +++++++++---- net/core/Makefile | 2 +- net/core/dev.c | 83 ++++++++++ net/core/netdev_features.c | 281 ++++++++++++++++++++++++++++++++ 5 files changed, 441 insertions(+), 41 deletions(-) create mode 100644 net/core/netdev_features.c
diff --git a/drivers/net/hyperv/hyperv_net.h b/drivers/net/hyperv/hyperv_net.h index 25b38a374e3c..6336ed81fb8c 100644 --- a/drivers/net/hyperv/hyperv_net.h +++ b/drivers/net/hyperv/hyperv_net.h @@ -873,10 +873,7 @@ struct nvsp_message { #define NETVSC_RECEIVE_BUFFER_ID 0xcafe #define NETVSC_SEND_BUFFER_ID 0
-#define NETVSC_SUPPORTED_HW_FEATURES (NETIF_F_RXCSUM | NETIF_F_IP_CSUM | \
NETIF_F_TSO | NETIF_F_IPV6_CSUM | \NETIF_F_TSO6 | NETIF_F_LRO | \NETIF_F_SG | NETIF_F_RXHASH)+#define NETVSC_SUPPORTED_HW_FEATURES netvsc_supported_hw_features
#define VRSS_SEND_TAB_SIZE 16 /* must be power of 2 */ #define VRSS_CHANNEL_MAX 64 diff --git a/include/linux/netdev_features.h b/include/linux/netdev_features.h index 9d434b4e6e6e..a005c781fabf 100644 --- a/include/linux/netdev_features.h +++ b/include/linux/netdev_features.h @@ -7,6 +7,7 @@
#include <linux/types.h> #include <linux/bitops.h> +#include <linux/cache.h> #include <asm/byteorder.h>
typedef u64 netdev_features_t; @@ -112,6 +113,64 @@ enum { /**/NETDEV_FEATURE_COUNT };
+extern netdev_features_t netdev_ethtool_features __ro_after_init; +extern netdev_features_t netdev_never_change_features __ro_after_init; +extern netdev_features_t netdev_gso_features_mask __ro_after_init; +extern netdev_features_t netdev_ip_csum_features __ro_after_init; +extern netdev_features_t netdev_csum_features_mask __ro_after_init; +extern netdev_features_t netdev_general_tso_features __ro_after_init; +extern netdev_features_t netdev_all_tso_features __ro_after_init; +extern netdev_features_t netdev_tso_ecn_features __ro_after_init; +extern netdev_features_t netdev_all_fcoe_features __ro_after_init; +extern netdev_features_t netdev_gso_software_features __ro_after_init; +extern netdev_features_t netdev_one_for_all_features __ro_after_init; +extern netdev_features_t netdev_all_for_all_features __ro_after_init; +extern netdev_features_t netdev_upper_disable_features __ro_after_init; +extern netdev_features_t netdev_soft_features __ro_after_init; +extern netdev_features_t netdev_soft_off_features __ro_after_init; +extern netdev_features_t netdev_all_vlan_features __ro_after_init; +extern netdev_features_t netdev_rx_vlan_features __ro_after_init; +extern netdev_features_t netdev_tx_vlan_features __ro_after_init; +extern netdev_features_t netdev_ctag_vlan_offload_features __ro_after_init; +extern netdev_features_t netdev_stag_vlan_offload_features __ro_after_init; +extern netdev_features_t netdev_vlan_offload_features __ro_after_init; +extern netdev_features_t netdev_ctag_vlan_features __ro_after_init; +extern netdev_features_t netdev_stag_vlan_features __ro_after_init; +extern netdev_features_t netdev_vlan_filter_features __ro_after_init; +extern netdev_features_t netdev_multi_tags_features_mask __ro_after_init; +extern netdev_features_t netdev_gso_encap_all_features __ro_after_init; +extern netdev_features_t netdev_xfrm_features __ro_after_init; +extern netdev_features_t netdev_tls_features __ro_after_init; +extern netdev_features_t netdev_csum_gso_features_mask __ro_after_init; +extern netdev_features_t netdev_empty_features __ro_after_init; +extern netdev_features_t netvsc_supported_hw_features __ro_after_init;
netvsc stuff belongs to hyperv_net driver, I'd place it there. Those features aren't used outside of it I believe.
Yes, it shoule be defined in hyperv_net driver. Will fix it, thanks!
+extern const struct netdev_feature_set netif_f_never_change_feature_set; +extern const struct netdev_feature_set netif_f_gso_feature_set_mask; +extern const struct netdev_feature_set netif_f_ip_csum_feature_set; +extern const struct netdev_feature_set netif_f_csum_feature_set_mask; +extern const struct netdev_feature_set netif_f_general_tso_feature_set; +extern const struct netdev_feature_set netif_f_all_tso_feature_set; +extern const struct netdev_feature_set netif_f_tso_ecn_feature_set; +extern const struct netdev_feature_set netif_f_all_fcoe_feature_set; +extern const struct netdev_feature_set netif_f_gso_soft_feature_set; +extern const struct netdev_feature_set netif_f_one_for_all_feature_set; +extern const struct netdev_feature_set netif_f_all_for_all_feature_set; +extern const struct netdev_feature_set netif_f_upper_disables_feature_set; +extern const struct netdev_feature_set netif_f_soft_feature_set; +extern const struct netdev_feature_set netif_f_soft_off_feature_set; +extern const struct netdev_feature_set netif_f_tx_vlan_feature_set; +extern const struct netdev_feature_set netif_f_rx_vlan_feature_set; +extern const struct netdev_feature_set netif_f_vlan_filter_feature_set; +extern const struct netdev_feature_set netif_f_ctag_vlan_feature_set; +extern const struct netdev_feature_set netif_f_stag_vlan_feature_set; +extern const struct netdev_feature_set netif_f_ctag_vlan_offload_feature_set; +extern const struct netdev_feature_set netif_f_stag_vlan_offload_feature_set; +extern const struct netdev_feature_set netif_f_multi_tags_feature_set_mask; +extern const struct netdev_feature_set netif_f_gso_encap_feature_set; +extern const struct netdev_feature_set netif_f_xfrm_feature_set; +extern const struct netdev_feature_set netif_f_tls_feature_set; +extern const struct netdev_feature_set netvsc_supported_hw_feature_set;
- /* copy'n'paste compression ;) */ #define __NETIF_F_BIT(bit) ((netdev_features_t)1 << (bit)) #define __NETIF_F(name) __NETIF_F_BIT(NETIF_F_##name##_BIT)
@@ -203,73 +262,53 @@ static inline int find_next_netdev_feature(u64 feature, unsigned long start)
/* Features valid for ethtool to change */ /* = all defined minus driver/device-class-related */ -#define NETIF_F_NEVER_CHANGE (NETIF_F_VLAN_CHALLENGED | \
NETIF_F_LLTX | NETIF_F_NETNS_LOCAL)+#define NETIF_F_NEVER_CHANGE netdev_never_change_features
/* remember that ((t)1 << t_BITS) is undefined in C99 */ -#define NETIF_F_ETHTOOL_BITS ((__NETIF_F_BIT(NETDEV_FEATURE_COUNT - 1) | \
(__NETIF_F_BIT(NETDEV_FEATURE_COUNT - 1) - 1)) & \~NETIF_F_NEVER_CHANGE)+#define NETIF_F_ETHTOOL_BITS netdev_ethtool_features
/* Segmentation offload feature mask */ -#define NETIF_F_GSO_MASK (__NETIF_F_BIT(NETIF_F_GSO_LAST + 1) - \
__NETIF_F_BIT(NETIF_F_GSO_SHIFT))+#define NETIF_F_GSO_MASK netdev_gso_features_mask
/* List of IP checksum features. Note that NETIF_F_HW_CSUM should not be
- set in features when NETIF_F_IP_CSUM or NETIF_F_IPV6_CSUM are set--
- this would be contradictory
*/ -#define NETIF_F_CSUM_MASK (NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | \
NETIF_F_HW_CSUM)+#define NETIF_F_CSUM_MASK netdev_csum_features_mask
-#define NETIF_F_ALL_TSO (NETIF_F_TSO | NETIF_F_TSO6 | \
NETIF_F_TSO_ECN | NETIF_F_TSO_MANGLEID)+#define NETIF_F_ALL_TSO netdev_all_tso_features
-#define NETIF_F_ALL_FCOE (NETIF_F_FCOE_CRC | NETIF_F_FCOE_MTU | \
NETIF_F_FSO)+#define NETIF_F_ALL_FCOE netdev_all_fcoe_features
/* List of features with software fallbacks. */ -#define NETIF_F_GSO_SOFTWARE (NETIF_F_ALL_TSO | NETIF_F_GSO_SCTP | \
NETIF_F_GSO_UDP_L4 | NETIF_F_GSO_FRAGLIST)+#define NETIF_F_GSO_SOFTWARE netdev_gso_software_features
/*
- If one device supports one of these features, then enable them
- for all in netdev_increment_features.
*/ -#define NETIF_F_ONE_FOR_ALL (NETIF_F_GSO_SOFTWARE | NETIF_F_GSO_ROBUST | \
NETIF_F_SG | NETIF_F_HIGHDMA | \NETIF_F_FRAGLIST | NETIF_F_VLAN_CHALLENGED)+#define NETIF_F_ONE_FOR_ALL netdev_one_for_all_features
/*
- If one device doesn't support one of these features, then disable it
- for all in netdev_increment_features.
*/ -#define NETIF_F_ALL_FOR_ALL (NETIF_F_NOCACHE_COPY | NETIF_F_FSO) +#define NETIF_F_ALL_FOR_ALL netdev_all_for_all_features
/*
- If upper/master device has these features disabled, they must be disabled
- on all lower/slave devices as well.
*/ -#define NETIF_F_UPPER_DISABLES NETIF_F_LRO +#define NETIF_F_UPPER_DISABLES netdev_upper_disable_features
/* changeable features with no special hardware requirements */ -#define NETIF_F_SOFT_FEATURES (NETIF_F_GSO | NETIF_F_GRO) +#define NETIF_F_SOFT_FEATURES netdev_soft_features
/* Changeable features with no special hardware requirements that defaults to off. */ -#define NETIF_F_SOFT_FEATURES_OFF (NETIF_F_GRO_FRAGLIST | NETIF_F_GRO_UDP_FWD)
-#define NETIF_F_VLAN_FEATURES (NETIF_F_HW_VLAN_CTAG_FILTER | \
NETIF_F_HW_VLAN_CTAG_RX | \NETIF_F_HW_VLAN_CTAG_TX | \NETIF_F_HW_VLAN_STAG_FILTER | \NETIF_F_HW_VLAN_STAG_RX | \NETIF_F_HW_VLAN_STAG_TX)-#define NETIF_F_GSO_ENCAP_ALL (NETIF_F_GSO_GRE | \
NETIF_F_GSO_GRE_CSUM | \NETIF_F_GSO_IPXIP4 | \NETIF_F_GSO_IPXIP6 | \NETIF_F_GSO_UDP_TUNNEL | \NETIF_F_GSO_UDP_TUNNEL_CSUM)+#define NETIF_F_SOFT_FEATURES_OFF netdev_soft_off_features
+#define NETIF_F_VLAN_FEATURES netdev_all_vlan_features
+#define NETIF_F_GSO_ENCAP_ALL netdev_gso_encap_all_features
#endif /* _LINUX_NETDEV_FEATURES_H */ diff --git a/net/core/Makefile b/net/core/Makefile index e8ce3bd283a6..360a101584c8 100644 --- a/net/core/Makefile +++ b/net/core/Makefile @@ -12,7 +12,7 @@ obj-$(CONFIG_SYSCTL) += sysctl_net_core.o obj-y += dev.o dev_addr_lists.o dst.o netevent.o \ neighbour.o rtnetlink.o utils.o link_watch.o filter.o \ sock_diag.o dev_ioctl.o tso.o sock_reuseport.o \
fib_notifier.o xdp.o flow_offload.o gro.o
fib_notifier.o xdp.o flow_offload.o gro.o netdev_features.oobj-$(CONFIG_NETDEV_ADDR_LIST_TEST) += dev_addr_lists_test.o
diff --git a/net/core/dev.c b/net/core/dev.c index 45e80c84497f..9603bac63ffb 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -146,6 +146,7 @@ #include <linux/sctp.h> #include <net/udp_tunnel.h> #include <linux/net_namespace.h> +#include <linux/netdev_features_helper.h> #include <linux/indirect_call_wrapper.h> #include <net/devlink.h> #include <linux/pm_runtime.h> @@ -11362,6 +11363,86 @@ static struct pernet_operations __net_initdata default_device_ops = { .exit_batch = default_device_exit_batch, };
+static void __init netdev_features_init(void)
Given that you're creating a new file dedicated to netdev features, I'd place that initializer there. You can then declare its proto in net/core/dev.h.
I want to make sure it cann't be called outside net/core/dev.c, for some drivers include net/core/dev.h, then they can see it.
+{
- netdev_features_t features;
- netdev_features_set_array(&netif_f_ip_csum_feature_set,
&netdev_ip_csum_features);- netdev_features_set_array(&netif_f_csum_feature_set_mask,
&netdev_csum_features_mask);- netdev_features_set_array(&netif_f_gso_feature_set_mask,
&netdev_gso_features_mask);- netdev_features_set_array(&netif_f_general_tso_feature_set,
&netdev_general_tso_features);- netdev_features_set_array(&netif_f_all_tso_feature_set,
&netdev_all_tso_features);- netdev_features_set_array(&netif_f_tso_ecn_feature_set,
&netdev_tso_ecn_features);- netdev_features_set_array(&netif_f_all_fcoe_feature_set,
&netdev_all_fcoe_features);- netdev_features_set_array(&netif_f_gso_soft_feature_set,
&netdev_gso_software_features);- netdev_features_set_array(&netif_f_gso_encap_feature_set,
&netdev_gso_encap_all_features);- netdev_csum_gso_features_mask =
netdev_features_or(netdev_gso_features_mask,netdev_csum_features_mask);(I forgot to mention this in 01/36 ._.)
As you're converting to bitmaps, you should probably avoid direct assignments. All the bitmap_*() modification functions take a pointer to the destination as a first argument. So it should be
netdev_features_or(netdev_features_t *dst, const netdev_features_t *src1, const netdev_features_t *src1);
The netdev_features_t will be convert to a structure which only contained a feature bitmap. So assginement is ok.
- netdev_features_set_array(&netif_f_one_for_all_feature_set,
&netdev_one_for_all_features);Does it make sense to prefix features and the corresponding sets differently? Why not just 'netdev_' for both of them?
For all the feature bits are named "NETFI_F_XXX_BIT",
- netdev_features_set_array(&netif_f_all_for_all_feature_set,
&netdev_all_for_all_features);- netdev_features_set_array(&netif_f_upper_disables_feature_set,
&netdev_upper_disable_features);- netdev_features_set_array(&netif_f_soft_feature_set,
&netdev_soft_features);- netdev_features_set_array(&netif_f_soft_off_feature_set,
&netdev_soft_off_features);- netdev_features_set_array(&netif_f_rx_vlan_feature_set,
&netdev_rx_vlan_features);- netdev_features_set_array(&netif_f_tx_vlan_feature_set,
&netdev_tx_vlan_features);- netdev_features_set_array(&netif_f_vlan_filter_feature_set,
&netdev_vlan_filter_features);- netdev_all_vlan_features = netdev_features_or(netdev_rx_vlan_features,
netdev_tx_vlan_features);- netdev_features_set_array(&netif_f_ctag_vlan_offload_feature_set,
&netdev_ctag_vlan_offload_features);- netdev_features_set_array(&netif_f_stag_vlan_offload_feature_set,
&netdev_stag_vlan_offload_features);- netdev_vlan_offload_features =
netdev_features_or(netdev_ctag_vlan_offload_features,netdev_stag_vlan_offload_features);- netdev_features_set_array(&netif_f_ctag_vlan_feature_set,
&netdev_ctag_vlan_features);- netdev_features_set_array(&netif_f_stag_vlan_feature_set,
&netdev_stag_vlan_features);- netdev_features_set_array(&netif_f_multi_tags_feature_set_mask,
&netdev_multi_tags_features_mask);- netdev_features_set_array(&netif_f_xfrm_feature_set,
&netdev_xfrm_features);- netdev_features_set_array(&netif_f_tls_feature_set,
&netdev_tls_features);- netdev_features_set_array(&netif_f_never_change_feature_set,
&netdev_never_change_features);- netdev_features_fill(&features);
- netdev_ethtool_features =
netdev_features_andnot(features, netdev_never_change_features);- netdev_features_zero(&netdev_empty_features);
- netdev_features_set_array(&netvsc_supported_hw_feature_set,
&netvsc_supported_hw_features);+}
- /*
- Initialize the DEV module. At boot time this walks the device list and
- unhooks any devices that fail to initialise (normally hardware not
@@ -11392,6 +11473,8 @@ static int __init net_dev_init(void) if (register_pernet_subsys(&netdev_net_ops)) goto out;
- netdev_features_init();
- /*
*/
- Initialise the packet receive queues.
diff --git a/net/core/netdev_features.c b/net/core/netdev_features.c new file mode 100644 index 000000000000..158c750ea7a2 --- /dev/null +++ b/net/core/netdev_features.c @@ -0,0 +1,281 @@ +// SPDX-License-Identifier: GPL-2.0 +/*
- Network device features.
- */
+#include <linux/netdev_features.h>
+netdev_features_t netdev_ethtool_features __ro_after_init; +EXPORT_SYMBOL_GPL(netdev_ethtool_features);
I think GPL is too strict for such a core functionality. I mean, I personally don't use non-GPL and don't work on such stuff, but there must be plenty of non-GPL networking drivers, and with this change they will simply stop working. Not that I don't like it :D But there definitely will be argues and "angry" articles.
you are right, will use EXPORT_SYMBOL instead.
+netdev_features_t netdev_never_change_features __ro_after_init; +EXPORT_SYMBOL_GPL(netdev_never_change_features);
+netdev_features_t netdev_gso_features_mask __ro_after_init; +EXPORT_SYMBOL_GPL(netdev_gso_features_mask);
+netdev_features_t netdev_ip_csum_features __ro_after_init; +EXPORT_SYMBOL_GPL(netdev_ip_csum_features);
+netdev_features_t netdev_csum_features_mask __ro_after_init; +EXPORT_SYMBOL_GPL(netdev_csum_features_mask);
+netdev_features_t netdev_general_tso_features __ro_after_init; +EXPORT_SYMBOL_GPL(netdev_general_tso_features);
+netdev_features_t netdev_all_tso_features __ro_after_init; +EXPORT_SYMBOL_GPL(netdev_all_tso_features);
+netdev_features_t netdev_tso_ecn_features __ro_after_init; +EXPORT_SYMBOL_GPL(netdev_tso_ecn_features);
+netdev_features_t netdev_all_fcoe_features __ro_after_init; +EXPORT_SYMBOL_GPL(netdev_all_fcoe_features);
+netdev_features_t netdev_gso_software_features __ro_after_init; +EXPORT_SYMBOL_GPL(netdev_gso_software_features);
+netdev_features_t netdev_one_for_all_features __ro_after_init; +EXPORT_SYMBOL_GPL(netdev_one_for_all_features);
+netdev_features_t netdev_all_for_all_features __ro_after_init; +EXPORT_SYMBOL_GPL(netdev_all_for_all_features);
+netdev_features_t netdev_upper_disable_features __ro_after_init; +EXPORT_SYMBOL_GPL(netdev_upper_disable_features);
+netdev_features_t netdev_soft_features __ro_after_init; +EXPORT_SYMBOL_GPL(netdev_soft_features);
+netdev_features_t netdev_soft_off_features __ro_after_init; +EXPORT_SYMBOL_GPL(netdev_soft_off_features);
+netdev_features_t netdev_all_vlan_features __ro_after_init; +EXPORT_SYMBOL_GPL(netdev_all_vlan_features);
+netdev_features_t netdev_vlan_filter_features __ro_after_init; +EXPORT_SYMBOL_GPL(netdev_vlan_filter_features);
+netdev_features_t netdev_rx_vlan_features __ro_after_init; +EXPORT_SYMBOL_GPL(netdev_rx_vlan_features);
+netdev_features_t netdev_tx_vlan_features __ro_after_init; +EXPORT_SYMBOL_GPL(netdev_tx_vlan_features);
+netdev_features_t netdev_ctag_vlan_offload_features __ro_after_init; +EXPORT_SYMBOL_GPL(netdev_ctag_vlan_offload_features);
+netdev_features_t netdev_stag_vlan_offload_features __ro_after_init; +EXPORT_SYMBOL_GPL(netdev_stag_vlan_offload_features);
+netdev_features_t netdev_vlan_offload_features __ro_after_init; +EXPORT_SYMBOL_GPL(netdev_vlan_offload_features);
+netdev_features_t netdev_ctag_vlan_features __ro_after_init; +EXPORT_SYMBOL_GPL(netdev_ctag_vlan_features);
+netdev_features_t netdev_stag_vlan_features __ro_after_init; +EXPORT_SYMBOL_GPL(netdev_stag_vlan_features);
+netdev_features_t netdev_multi_tags_features_mask __ro_after_init; +EXPORT_SYMBOL_GPL(netdev_multi_tags_features_mask);
+netdev_features_t netdev_gso_encap_all_features __ro_after_init; +EXPORT_SYMBOL_GPL(netdev_gso_encap_all_features);
+netdev_features_t netdev_xfrm_features __ro_after_init; +EXPORT_SYMBOL_GPL(netdev_xfrm_features);
+netdev_features_t netdev_tls_features __ro_after_init; +EXPORT_SYMBOL_GPL(netdev_tls_features);
+netdev_features_t netdev_csum_gso_features_mask __ro_after_init; +EXPORT_SYMBOL_GPL(netdev_csum_gso_features_mask);
+netdev_features_t netdev_empty_features __ro_after_init; +EXPORT_SYMBOL_GPL(netdev_empty_features);
+netdev_features_t netvsc_supported_hw_features __ro_after_init; +EXPORT_SYMBOL_GPL(netvsc_supported_hw_features);
+DECLARE_NETDEV_FEATURE_SET(netif_f_never_change_feature_set,
NETIF_F_VLAN_CHALLENGED_BIT,NETIF_F_LLTX_BIT,NETIF_F_NETNS_LOCAL_BIT);+EXPORT_SYMBOL_GPL(netif_f_never_change_feature_set);
+DECLARE_NETDEV_FEATURE_SET(netif_f_gso_feature_set_mask,
NETIF_F_TSO_BIT,NETIF_F_GSO_ROBUST_BIT,NETIF_F_TSO_ECN_BIT,NETIF_F_TSO_MANGLEID_BIT,NETIF_F_TSO6_BIT,NETIF_F_FSO_BIT,NETIF_F_GSO_GRE_BIT,NETIF_F_GSO_GRE_CSUM_BIT,NETIF_F_GSO_IPXIP4_BIT,NETIF_F_GSO_IPXIP6_BIT,NETIF_F_GSO_UDP_TUNNEL_BIT,NETIF_F_GSO_UDP_TUNNEL_CSUM_BIT,NETIF_F_GSO_PARTIAL_BIT,NETIF_F_GSO_TUNNEL_REMCSUM_BIT,NETIF_F_GSO_SCTP_BIT,NETIF_F_GSO_ESP_BIT,NETIF_F_GSO_UDP_BIT,NETIF_F_GSO_UDP_L4_BIT,NETIF_F_GSO_FRAGLIST_BIT);+EXPORT_SYMBOL_GPL(netif_f_gso_feature_set_mask);
+DECLARE_NETDEV_FEATURE_SET(netif_f_ip_csum_feature_set,
NETIF_F_IP_CSUM_BIT,NETIF_F_IPV6_CSUM_BIT);+EXPORT_SYMBOL_GPL(netif_f_ip_csum_feature_set);
+DECLARE_NETDEV_FEATURE_SET(netif_f_csum_feature_set_mask,
NETIF_F_IP_CSUM_BIT,NETIF_F_IPV6_CSUM_BIT,NETIF_F_HW_CSUM_BIT);+EXPORT_SYMBOL_GPL(netif_f_csum_feature_set_mask);
+DECLARE_NETDEV_FEATURE_SET(netif_f_general_tso_feature_set,
NETIF_F_TSO_BIT,NETIF_F_TSO6_BIT);+EXPORT_SYMBOL_GPL(netif_f_general_tso_feature_set);
+DECLARE_NETDEV_FEATURE_SET(netif_f_all_tso_feature_set,
NETIF_F_TSO_BIT,NETIF_F_TSO6_BIT,NETIF_F_TSO_ECN_BIT,NETIF_F_TSO_MANGLEID_BIT);+EXPORT_SYMBOL_GPL(netif_f_all_tso_feature_set);
+DECLARE_NETDEV_FEATURE_SET(netif_f_tso_ecn_feature_set,
NETIF_F_TSO_ECN_BIT);+EXPORT_SYMBOL_GPL(netif_f_tso_ecn_feature_set);
+DECLARE_NETDEV_FEATURE_SET(netif_f_all_fcoe_feature_set,
NETIF_F_FCOE_CRC_BIT,NETIF_F_FCOE_MTU_BIT,NETIF_F_FSO_BIT);+EXPORT_SYMBOL_GPL(netif_f_all_fcoe_feature_set);
+DECLARE_NETDEV_FEATURE_SET(netif_f_gso_soft_feature_set,
NETIF_F_TSO_BIT,NETIF_F_TSO6_BIT,NETIF_F_TSO_ECN_BIT,NETIF_F_TSO_MANGLEID_BIT,NETIF_F_GSO_SCTP_BIT,NETIF_F_GSO_UDP_L4_BIT,NETIF_F_GSO_FRAGLIST_BIT);+EXPORT_SYMBOL_GPL(netif_f_gso_soft_feature_set);
+DECLARE_NETDEV_FEATURE_SET(netif_f_one_for_all_feature_set,
NETIF_F_TSO_BIT,NETIF_F_TSO6_BIT,NETIF_F_TSO_ECN_BIT,NETIF_F_TSO_MANGLEID_BIT,NETIF_F_GSO_SCTP_BIT,NETIF_F_GSO_UDP_L4_BIT,NETIF_F_GSO_FRAGLIST_BIT,NETIF_F_GSO_ROBUST_BIT,NETIF_F_SG_BIT,NETIF_F_HIGHDMA_BIT,NETIF_F_FRAGLIST_BIT,NETIF_F_VLAN_CHALLENGED_BIT);+EXPORT_SYMBOL_GPL(netif_f_one_for_all_feature_set);
+DECLARE_NETDEV_FEATURE_SET(netif_f_all_for_all_feature_set,
NETIF_F_NOCACHE_COPY_BIT,NETIF_F_FSO_BIT);+EXPORT_SYMBOL_GPL(netif_f_all_for_all_feature_set);
+DECLARE_NETDEV_FEATURE_SET(netif_f_upper_disables_feature_set,
NETIF_F_LRO_BIT);+EXPORT_SYMBOL_GPL(netif_f_upper_disables_feature_set);
+DECLARE_NETDEV_FEATURE_SET(netif_f_soft_feature_set,
NETIF_F_GSO_BIT,NETIF_F_GRO_BIT);+EXPORT_SYMBOL_GPL(netif_f_soft_feature_set);
+DECLARE_NETDEV_FEATURE_SET(netif_f_soft_off_feature_set,
NETIF_F_GRO_FRAGLIST_BIT,NETIF_F_GRO_UDP_FWD_BIT);+EXPORT_SYMBOL_GPL(netif_f_soft_off_feature_set);
+DECLARE_NETDEV_FEATURE_SET(netif_f_tx_vlan_feature_set,
NETIF_F_HW_VLAN_CTAG_TX_BIT,NETIF_F_HW_VLAN_STAG_TX_BIT);+EXPORT_SYMBOL_GPL(netif_f_tx_vlan_feature_set);
+DECLARE_NETDEV_FEATURE_SET(netif_f_rx_vlan_feature_set,
NETIF_F_HW_VLAN_CTAG_RX_BIT,NETIF_F_HW_VLAN_STAG_RX_BIT);+EXPORT_SYMBOL_GPL(netif_f_rx_vlan_feature_set);
+DECLARE_NETDEV_FEATURE_SET(netif_f_vlan_filter_feature_set,
NETIF_F_HW_VLAN_CTAG_FILTER_BIT,NETIF_F_HW_VLAN_STAG_FILTER_BIT);+EXPORT_SYMBOL_GPL(netif_f_vlan_filter_feature_set);
+DECLARE_NETDEV_FEATURE_SET(netif_f_ctag_vlan_offload_feature_set,
NETIF_F_HW_VLAN_CTAG_TX_BIT,NETIF_F_HW_VLAN_CTAG_RX_BIT);+EXPORT_SYMBOL_GPL(netif_f_ctag_vlan_offload_feature_set);
+DECLARE_NETDEV_FEATURE_SET(netif_f_stag_vlan_offload_feature_set,
NETIF_F_HW_VLAN_STAG_TX_BIT,NETIF_F_HW_VLAN_STAG_RX_BIT);+EXPORT_SYMBOL_GPL(netif_f_stag_vlan_offload_feature_set);
+DECLARE_NETDEV_FEATURE_SET(netif_f_ctag_vlan_feature_set,
NETIF_F_HW_VLAN_CTAG_TX_BIT,NETIF_F_HW_VLAN_CTAG_RX_BIT,NETIF_F_HW_VLAN_CTAG_FILTER_BIT);+EXPORT_SYMBOL_GPL(netif_f_ctag_vlan_feature_set);
+DECLARE_NETDEV_FEATURE_SET(netif_f_stag_vlan_feature_set,
NETIF_F_HW_VLAN_STAG_TX_BIT,NETIF_F_HW_VLAN_STAG_RX_BIT,NETIF_F_HW_VLAN_STAG_FILTER_BIT);+EXPORT_SYMBOL_GPL(netif_f_stag_vlan_feature_set);
+DECLARE_NETDEV_FEATURE_SET(netif_f_multi_tags_feature_set_mask,
NETIF_F_SG_BIT,NETIF_F_HIGHDMA_BIT,NETIF_F_HW_CSUM_BIT,NETIF_F_FRAGLIST_BIT,NETIF_F_HW_VLAN_CTAG_TX_BIT,NETIF_F_HW_VLAN_STAG_TX_BIT);+EXPORT_SYMBOL_GPL(netif_f_multi_tags_feature_set_mask);
+DECLARE_NETDEV_FEATURE_SET(netif_f_gso_encap_feature_set,
NETIF_F_GSO_GRE_BIT,NETIF_F_GSO_GRE_CSUM_BIT,NETIF_F_GSO_IPXIP4_BIT,NETIF_F_GSO_IPXIP6_BIT,NETIF_F_GSO_UDP_TUNNEL_BIT,NETIF_F_GSO_UDP_TUNNEL_CSUM_BIT);+EXPORT_SYMBOL_GPL(netif_f_gso_encap_feature_set);
+DECLARE_NETDEV_FEATURE_SET(netif_f_xfrm_feature_set,
NETIF_F_HW_ESP_BIT,NETIF_F_HW_ESP_TX_CSUM_BIT,NETIF_F_GSO_ESP_BIT);+EXPORT_SYMBOL_GPL(netif_f_xfrm_feature_set);
+DECLARE_NETDEV_FEATURE_SET(netif_f_tls_feature_set,
NETIF_F_HW_TLS_TX_BIT,NETIF_F_HW_TLS_RX_BIT);+EXPORT_SYMBOL_GPL(netif_f_tls_feature_set);
+DECLARE_NETDEV_FEATURE_SET(netvsc_supported_hw_feature_set,
NETIF_F_RXCSUM_BIT,NETIF_F_IP_CSUM_BIT,NETIF_F_TSO_BIT,NETIF_F_IPV6_CSUM_BIT,NETIF_F_TSO6_BIT,NETIF_F_LRO_BIT,NETIF_F_SG_BIT,NETIF_F_RXHASH_BIT);+EXPORT_SYMBOL_GPL(netvsc_supported_hw_feature_set);
2.33.0
Thanks, Olek
.
Thank, Jian