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netdev_features: convert NETIF_F_LLTX to dev->lltx

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NETIF_F_LLTX can't be changed via Ethtool and is not a feature,
rather an attribute, very similar to IFF_NO_QUEUE (and hot).
Free one netdev_features_t bit and make it a "hot" private flag.

Signed-off-by: Alexander Lobakin <aleksander.lobakin@intel.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
This commit is contained in:
Alexander Lobakin
2024-08-29 14:33:37 +02:00
committed by Paolo Abeni
parent beb5a9bea8
commit 00d066a4d4
57 changed files with 93 additions and 84 deletions
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6
include/linux/netdev_features.h
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@@ -24,8 +24,7 @@ enum {
NETIF_F_HW_VLAN_CTAG_FILTER_BIT,/* Receive filtering on VLAN CTAGs */
NETIF_F_VLAN_CHALLENGED_BIT, /* Device cannot handle VLAN packets */
NETIF_F_GSO_BIT, /* Enable software GSO. */
NETIF_F_LLTX_BIT, /* LockLess TX - deprecated. Please */
/* do not use LLTX in new drivers */
__UNUSED_NETIF_F_12,
NETIF_F_NETNS_LOCAL_BIT, /* Does not change network namespaces */
NETIF_F_GRO_BIT, /* Generic receive offload */
NETIF_F_LRO_BIT, /* large receive offload */
@@ -120,7 +119,6 @@ enum {
#define NETIF_F_HW_VLAN_CTAG_TX __NETIF_F(HW_VLAN_CTAG_TX)
#define NETIF_F_IP_CSUM __NETIF_F(IP_CSUM)
#define NETIF_F_IPV6_CSUM __NETIF_F(IPV6_CSUM)
#define NETIF_F_LLTX __NETIF_F(LLTX)
#define NETIF_F_LOOPBACK __NETIF_F(LOOPBACK)
#define NETIF_F_LRO __NETIF_F(LRO)
#define NETIF_F_NETNS_LOCAL __NETIF_F(NETNS_LOCAL)
@@ -193,7 +191,7 @@ 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)
NETIF_F_NETNS_LOCAL)
/* remember that ((t)1 << t_BITS) is undefined in C99 */
#define NETIF_F_ETHTOOL_BITS ((__NETIF_F_BIT(NETDEV_FEATURE_COUNT - 1) | \