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net: Add fraglist GRO/GSO feature flags

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This adds new Fraglist GRO/GSO feature flags. They will be used
to configure fraglist GRO/GSO what will be implemented with some
followup paches.

Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Steffen Klassert 2020-01-25 11:26:42 +01:00 committed by David S. Miller
parent 79572c98c5
commit 3b33583265
4 changed files with 9 additions and 1 deletions
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6
include/linux/netdev_features.h
View File

@ -53,8 +53,9 @@ enum {
NETIF_F_GSO_ESP_BIT, /* ... ESP with TSO */
NETIF_F_GSO_UDP_BIT, /* ... UFO, deprecated except tuntap */
NETIF_F_GSO_UDP_L4_BIT, /* ... UDP payload GSO (not UFO) */
NETIF_F_GSO_FRAGLIST_BIT, /* ... Fraglist GSO */
/**/NETIF_F_GSO_LAST = /* last bit, see GSO_MASK */
NETIF_F_GSO_UDP_L4_BIT,
NETIF_F_GSO_FRAGLIST_BIT,
NETIF_F_FCOE_CRC_BIT, /* FCoE CRC32 */
NETIF_F_SCTP_CRC_BIT, /* SCTP checksum offload */
@ -80,6 +81,7 @@ enum {
NETIF_F_GRO_HW_BIT, /* Hardware Generic receive offload */
NETIF_F_HW_TLS_RECORD_BIT, /* Offload TLS record */
NETIF_F_GRO_FRAGLIST_BIT, /* Fraglist GRO */
/*
* Add your fresh new feature above and remember to update
@ -150,6 +152,8 @@ enum {
#define NETIF_F_GSO_UDP_L4 __NETIF_F(GSO_UDP_L4)
#define NETIF_F_HW_TLS_TX __NETIF_F(HW_TLS_TX)
#define NETIF_F_HW_TLS_RX __NETIF_F(HW_TLS_RX)
#define NETIF_F_GRO_FRAGLIST __NETIF_F(GRO_FRAGLIST)
#define NETIF_F_GSO_FRAGLIST __NETIF_F(GSO_FRAGLIST)
/* Finds the next feature with the highest number of the range of start till 0.
*/

1
include/linux/netdevice.h
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@ -4570,6 +4570,7 @@ static inline bool net_gso_ok(netdev_features_t features, int gso_type)
BUILD_BUG_ON(SKB_GSO_ESP != (NETIF_F_GSO_ESP >> NETIF_F_GSO_SHIFT));
BUILD_BUG_ON(SKB_GSO_UDP != (NETIF_F_GSO_UDP >> NETIF_F_GSO_SHIFT));
BUILD_BUG_ON(SKB_GSO_UDP_L4 != (NETIF_F_GSO_UDP_L4 >> NETIF_F_GSO_SHIFT));
BUILD_BUG_ON(SKB_GSO_FRAGLIST != (NETIF_F_GSO_FRAGLIST >> NETIF_F_GSO_SHIFT));
return (features & feature) == feature;
}

2
include/linux/skbuff.h
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@ -592,6 +592,8 @@ enum {
SKB_GSO_UDP = 1 << 16,
SKB_GSO_UDP_L4 = 1 << 17,
SKB_GSO_FRAGLIST = 1 << 18,
};
#if BITS_PER_LONG > 32

1
net/ethtool/common.c
View File

@ -59,6 +59,7 @@ const char netdev_features_strings[NETDEV_FEATURE_COUNT][ETH_GSTRING_LEN] = {
[NETIF_F_HW_TLS_RECORD_BIT] = "tls-hw-record",
[NETIF_F_HW_TLS_TX_BIT] = "tls-hw-tx-offload",
[NETIF_F_HW_TLS_RX_BIT] = "tls-hw-rx-offload",
[NETIF_F_GRO_FRAGLIST_BIT] = "rx-gro-list",
};
const char