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Tsirkin" , Jason Wang Cc: Akihiko Odaki X-Mailer: b4 0.14-dev-fd6e3 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: none client-ip=2607:f8b0:4864:20::629; envelope-from=akihiko.odaki@daynix.com; helo=mail-pl1-x629.google.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_NONE=0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @daynix-com.20230601.gappssmtp.com) X-ZM-MESSAGEID: 1726363582048116600 This adds set_vnet_hash() to configure virtio hashing and implements it for Linux's tap. vDPA will have an empty function as configuring virtio hashing is done with the load(). Signed-off-by: Akihiko Odaki --- include/net/net.h | 17 +++++++++++++++++ net/tap-linux.h | 1 + net/tap_int.h | 2 ++ net/net.c | 5 +++++ net/tap-bsd.c | 5 +++++ net/tap-linux.c | 5 +++++ net/tap-solaris.c | 5 +++++ net/tap-stub.c | 5 +++++ net/tap.c | 7 +++++++ net/vhost-vdpa.c | 7 +++++++ 10 files changed, 59 insertions(+) diff --git a/include/net/net.h b/include/net/net.h index 099616c8cbe3..0c7e3513cf5f 100644 --- a/include/net/net.h +++ b/include/net/net.h @@ -35,6 +35,20 @@ typedef struct NICConf { int32_t bootindex; } NICConf; =20 +#define NET_VNET_HASH_REPORT 1 +#define NET_VNET_HASH_RSS 2 + +typedef struct NetVnetHash { + uint16_t flags; + uint8_t pad[2]; + uint32_t types; +} NetVnetHash; + +typedef struct NetVnetHashRss { + uint16_t indirection_table_mask; + uint16_t unclassified_queue; +} NetVnetHashRss; + #define DEFINE_NIC_PROPERTIES(_state, _conf) \ DEFINE_PROP_MACADDR("mac", _state, _conf.macaddr), \ DEFINE_PROP_NETDEV("netdev", _state, _conf.peers) @@ -61,6 +75,7 @@ typedef void (SetOffload)(NetClientState *, int, int, int= , int, int, int, int); typedef int (GetVnetHdrLen)(NetClientState *); typedef void (SetVnetHdrLen)(NetClientState *, int); typedef bool (GetVnetHashSupportedTypes)(NetClientState *, uint32_t *); +typedef void (SetVnetHash)(NetClientState *, const NetVnetHash *); typedef int (SetVnetLE)(NetClientState *, bool); typedef int (SetVnetBE)(NetClientState *, bool); typedef struct SocketReadState SocketReadState; @@ -91,6 +106,7 @@ typedef struct NetClientInfo { SetVnetLE *set_vnet_le; SetVnetBE *set_vnet_be; GetVnetHashSupportedTypes *get_vnet_hash_supported_types; + SetVnetHash *set_vnet_hash; NetAnnounce *announce; SetSteeringEBPF *set_steering_ebpf; NetCheckPeerType *check_peer_type; @@ -195,6 +211,7 @@ void qemu_set_offload(NetClientState *nc, int csum, int= tso4, int tso6, int qemu_get_vnet_hdr_len(NetClientState *nc); void qemu_set_vnet_hdr_len(NetClientState *nc, int len); bool qemu_get_vnet_hash_supported_types(NetClientState *nc, uint32_t *type= s); +void qemu_set_vnet_hash(NetClientState *nc, const NetVnetHash *hash); int qemu_set_vnet_le(NetClientState *nc, bool is_le); int qemu_set_vnet_be(NetClientState *nc, bool is_be); void qemu_macaddr_default_if_unset(MACAddr *macaddr); diff --git a/net/tap-linux.h b/net/tap-linux.h index 9a58cecb7f47..5fac64c24f99 100644 --- a/net/tap-linux.h +++ b/net/tap-linux.h @@ -32,6 +32,7 @@ #define TUNSETVNETLE _IOW('T', 220, int) #define TUNSETVNETBE _IOW('T', 222, int) #define TUNSETSTEERINGEBPF _IOR('T', 224, int) +#define TUNSETVNETHASH _IOW('T', 229, NetVnetHash) =20 #endif =20 diff --git a/net/tap_int.h b/net/tap_int.h index 8857ff299d22..e1b53e343397 100644 --- a/net/tap_int.h +++ b/net/tap_int.h @@ -27,6 +27,7 @@ #define NET_TAP_INT_H =20 #include "qapi/qapi-types-net.h" +#include "net/net.h" =20 int tap_open(char *ifname, int ifname_size, int *vnet_hdr, int vnet_hdr_required, int mq_required, Error **errp); @@ -40,6 +41,7 @@ int tap_probe_has_uso(int fd); void tap_fd_set_offload(int fd, int csum, int tso4, int tso6, int ecn, int= ufo, int uso4, int uso6); void tap_fd_set_vnet_hdr_len(int fd, int len); +void tap_fd_set_vnet_hash(int fd, const NetVnetHash *hash); int tap_fd_set_vnet_le(int fd, int vnet_is_le); int tap_fd_set_vnet_be(int fd, int vnet_is_be); int tap_fd_enable(int fd); diff --git a/net/net.c b/net/net.c index 3b04f8fe5d6b..db365b6ec211 100644 --- a/net/net.c +++ b/net/net.c @@ -568,6 +568,11 @@ bool qemu_get_vnet_hash_supported_types(NetClientState= *nc, uint32_t *types) return nc->info->get_vnet_hash_supported_types(nc, types); } =20 +void qemu_set_vnet_hash(NetClientState *nc, const NetVnetHash *hash) +{ + nc->info->set_vnet_hash(nc, hash); +} + int qemu_set_vnet_le(NetClientState *nc, bool is_le) { #if HOST_BIG_ENDIAN diff --git a/net/tap-bsd.c b/net/tap-bsd.c index b4c84441ba8b..2eee0c0a0ec5 100644 --- a/net/tap-bsd.c +++ b/net/tap-bsd.c @@ -221,6 +221,11 @@ void tap_fd_set_vnet_hdr_len(int fd, int len) { } =20 +void tap_fd_set_vnet_hash(int fd, const NetVnetHash *hash) +{ + g_assert_not_reached(); +} + int tap_fd_set_vnet_le(int fd, int is_le) { return -EINVAL; diff --git a/net/tap-linux.c b/net/tap-linux.c index 1226d5fda2d9..e96d38eec922 100644 --- a/net/tap-linux.c +++ b/net/tap-linux.c @@ -194,6 +194,11 @@ void tap_fd_set_vnet_hdr_len(int fd, int len) } } =20 +void tap_fd_set_vnet_hash(int fd, const NetVnetHash *hash) +{ + assert(!ioctl(fd, TUNSETVNETHASH, hash)); +} + int tap_fd_set_vnet_le(int fd, int is_le) { int arg =3D is_le ? 1 : 0; diff --git a/net/tap-solaris.c b/net/tap-solaris.c index 51b7830bef1d..c65104b84e93 100644 --- a/net/tap-solaris.c +++ b/net/tap-solaris.c @@ -225,6 +225,11 @@ void tap_fd_set_vnet_hdr_len(int fd, int len) { } =20 +void tap_fd_set_vnet_hash(int fd, const NetVnetHash *hash) +{ + g_assert_not_reached(); +} + int tap_fd_set_vnet_le(int fd, int is_le) { return -EINVAL; diff --git a/net/tap-stub.c b/net/tap-stub.c index 38673434cbd6..5bdc76216b7f 100644 --- a/net/tap-stub.c +++ b/net/tap-stub.c @@ -56,6 +56,11 @@ void tap_fd_set_vnet_hdr_len(int fd, int len) { } =20 +void tap_fd_set_vnet_hash(int fd, const NetVnetHash *hash) +{ + g_assert_not_reached(); +} + int tap_fd_set_vnet_le(int fd, int is_le) { return -EINVAL; diff --git a/net/tap.c b/net/tap.c index 51f7aec39d9e..8d451c745d70 100644 --- a/net/tap.c +++ b/net/tap.c @@ -248,6 +248,12 @@ static void tap_set_vnet_hdr_len(NetClientState *nc, i= nt len) s->using_vnet_hdr =3D true; } =20 +static void tap_set_vnet_hash(NetClientState *nc, const NetVnetHash *hash) +{ + TAPState *s =3D DO_UPCAST(TAPState, nc, nc); + return tap_fd_set_vnet_hash(s->fd, hash); +} + static int tap_set_vnet_le(NetClientState *nc, bool is_le) { TAPState *s =3D DO_UPCAST(TAPState, nc, nc); @@ -344,6 +350,7 @@ static NetClientInfo net_tap_info =3D { .has_vnet_hdr_len =3D tap_has_vnet_hdr_len, .set_offload =3D tap_set_offload, .set_vnet_hdr_len =3D tap_set_vnet_hdr_len, + .set_vnet_hash =3D tap_set_vnet_hash, .set_vnet_le =3D tap_set_vnet_le, .set_vnet_be =3D tap_set_vnet_be, .set_steering_ebpf =3D tap_set_steering_ebpf, diff --git a/net/vhost-vdpa.c b/net/vhost-vdpa.c index 5d846db5e71f..767fd8def468 100644 --- a/net/vhost-vdpa.c +++ b/net/vhost-vdpa.c @@ -278,6 +278,11 @@ static bool vhost_vdpa_get_vnet_hash_supported_types(N= etClientState *nc, return true; } =20 +static void vhost_vdpa_set_vnet_hash(NetClientState *nc, + const NetVnetHash *hash) +{ +} + static bool vhost_vdpa_has_ufo(NetClientState *nc) { assert(nc->info->type =3D=3D NET_CLIENT_DRIVER_VHOST_VDPA); @@ -457,6 +462,7 @@ static NetClientInfo net_vhost_vdpa_info =3D { .cleanup =3D vhost_vdpa_cleanup, .has_vnet_hdr =3D vhost_vdpa_has_vnet_hdr, .get_vnet_hash_supported_types =3D vhost_vdpa_get_vnet_hash_suppor= ted_types, + .set_vnet_hash =3D vhost_vdpa_set_vnet_hash, .has_ufo =3D vhost_vdpa_has_ufo, .check_peer_type =3D vhost_vdpa_check_peer_type, }; @@ -1324,6 +1330,7 @@ static NetClientInfo net_vhost_vdpa_cvq_info =3D { .cleanup =3D vhost_vdpa_cleanup, .has_vnet_hdr =3D vhost_vdpa_has_vnet_hdr, .get_vnet_hash_supported_types =3D vhost_vdpa_get_vnet_hash_supported_= types, + .set_vnet_hash =3D vhost_vdpa_set_vnet_hash, .has_ufo =3D vhost_vdpa_has_ufo, .check_peer_type =3D vhost_vdpa_check_peer_type, }; --=20 2.46.0