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vio: Add more feature bit definitions

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Add all non-legacy feature bit definitions from virtio 1.3 and the
definitions from 1.4 that are not >= bit 64. Remove VIRTIO_NET_F_GSO
which never worked and has been removed in virtio 1.x. Also add config
register definitions, fix a comment.
This commit is contained in:
sf
2026-01-13 10:15:07 +00:00
parent 9a2f86529e
commit 3d903ed542
1 changed files with 15 additions and 4 deletions
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19
sys/dev/pv/if_vio.c
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@@ -1,4 +1,4 @@
/* $OpenBSD: if_vio.c,v 1.75 2026/01/13 10:10:14 sf Exp $ */
/* $OpenBSD: if_vio.c,v 1.76 2026/01/13 10:15:07 sf Exp $ */
/*
* Copyright (c) 2012 Stefan Fritsch, Alexander Fiveg.
@@ -74,7 +74,8 @@
#define VIRTIO_NET_CONFIG_DUPLEX 16 /* 8 bit */
#define VIRTIO_NET_CONFIG_RSS_SIZE 17 /* 8 bit */
#define VIRTIO_NET_CONFIG_RSS_LEN 18 /* 16 bit */
#define VIRTIO_NET_CONFIG_HASH_TYPES 20 /* 16 bit */
#define VIRTIO_NET_CONFIG_HASH_TYPES 20 /* 32 bit */
#define VIRTIO_NET_CONFIG_TUNNEL_TYPES 24 /* 32 bit */
/* Feature bits */
#define VIRTIO_NET_F_CSUM (1ULL<<0)
@@ -82,7 +83,6 @@
#define VIRTIO_NET_F_CTRL_GUEST_OFFLOADS (1ULL<<2)
#define VIRTIO_NET_F_MTU (1ULL<<3)
#define VIRTIO_NET_F_MAC (1ULL<<5)
#define VIRTIO_NET_F_GSO (1ULL<<6)
#define VIRTIO_NET_F_GUEST_TSO4 (1ULL<<7)
#define VIRTIO_NET_F_GUEST_TSO6 (1ULL<<8)
#define VIRTIO_NET_F_GUEST_ECN (1ULL<<9)
@@ -100,6 +100,12 @@
#define VIRTIO_NET_F_GUEST_ANNOUNCE (1ULL<<21)
#define VIRTIO_NET_F_MQ (1ULL<<22)
#define VIRTIO_NET_F_CTRL_MAC_ADDR (1ULL<<23)
#define VIRTIO_NET_F_DEVICE_STATS (1ULL<<50)
#define VIRTIO_NET_F_HASH_TUNNEL (1ULL<<51)
#define VIRTIO_NET_F_VQ_NOTF_COAL (1ULL<<52)
#define VIRTIO_NET_F_NOTF_COAL (1ULL<<53)
#define VIRTIO_NET_F_GUEST_USO4 (1ULL<<54)
#define VIRTIO_NET_F_GUEST_USO6 (1ULL<<55)
#define VIRTIO_NET_F_HOST_USO (1ULL<<56)
#define VIRTIO_NET_F_HASH_REPORT (1ULL<<57)
#define VIRTIO_NET_F_GUEST_HDRLEN (1ULL<<59)
@@ -121,7 +127,6 @@ static const struct virtio_feature_name virtio_net_feature_names[] = {
{ VIRTIO_NET_F_CTRL_GUEST_OFFLOADS, "CtrlGuestOffl" },
{ VIRTIO_NET_F_MTU, "MTU", },
{ VIRTIO_NET_F_MAC, "MAC" },
{ VIRTIO_NET_F_GSO, "GSO" },
{ VIRTIO_NET_F_GUEST_TSO4, "GuestTSO4" },
{ VIRTIO_NET_F_GUEST_TSO6, "GuestTSO6" },
{ VIRTIO_NET_F_GUEST_ECN, "GuestECN" },
@@ -139,6 +144,12 @@ static const struct virtio_feature_name virtio_net_feature_names[] = {
{ VIRTIO_NET_F_GUEST_ANNOUNCE, "GuestAnnounce" },
{ VIRTIO_NET_F_MQ, "MQ" },
{ VIRTIO_NET_F_CTRL_MAC_ADDR, "CtrlMAC" },
{ VIRTIO_NET_F_DEVICE_STATS, "DevStats" },
{ VIRTIO_NET_F_HASH_TUNNEL, "HashTun" },
{ VIRTIO_NET_F_VQ_NOTF_COAL, "VqNotfCoal" },
{ VIRTIO_NET_F_NOTF_COAL, "NotfCoal" },
{ VIRTIO_NET_F_GUEST_USO4, "GuestUso4" },
{ VIRTIO_NET_F_GUEST_USO6, "GuestUso6" },
{ VIRTIO_NET_F_HOST_USO, "HostUso" },
{ VIRTIO_NET_F_HASH_REPORT, "HashRpt" },
{ VIRTIO_NET_F_GUEST_HDRLEN, "GuestHdrlen" },