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Dpdk Mbuf Size


mbuf we trying to attach (mi) is used by someone else e.g. Examples: bond/main.c, ethtool/ethtool-app/main.c, exception_path/main.c, ip_fragmentation/main.c, ip_reassembly/main.c, ipv4_multicast/main.c, l2fwd-crypto/main.c, l2fwd-ivshmem/guest/guest.c, l2fwd-jobstats/main.c, l2fwd-keepalive/main.c, l2fwd/main.c, l3fwd-acl/main.c, l3fwd-power/main.c, l3fwd-vf/main.c, l3fwd/main.c, link_status_interrupt/main.c, load_balancer/runtime.c, multi_process/l2fwd_fork/main.c, netmap_compat/lib/compat_netmap.c, performance-thread/l3fwd-thread/main.c, ptpclient/ptpclient.c, qos_meter/main.c, qos_sched/app_thread.c, quota_watermark/qw/main.c, tep_termination/vxlan.c, tep_termination/vxlan_setup.c, vhost/main.c, vhost_xen/main.c, and vmdq/main.c. static char* rte_pktmbuf_append ( struct rte_mbuf * m, uint16_t len ) inlinestatic Append len bytes to an mbuf. All postings and use of the content on this site are subject to the Apple Support Communities Terms of Use.  Apple Support Communities More ways to shop: Visit an Apple

The optimum size (in terms of memory usage) for a mempool is when n is a power of two minus one: n = (2^q - 1). nThe number of elements in the mbuf pool. If the length is greater than the length of the first segment, then the function will fail and return NULL, without modifying the mbuf. Packet format (inner only): <'ether type'=0x0800 | 'version'=4, 'protocol'=6, 'MF'=0> or, <'ether type'=0x86DD | 'version'=6, 'next header'=6> Definition at line 602 of file rte_mbuf.h. #define RTE_PTYPE_INNER_L4_UDP0x02000000 UDP (User Datagram Protocol) packet

Dpdk Mbuf Size

IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES Examples: vhost/main.c. Parameters mpThe mempool from which the mbuf is allocated. Definition at line 895 of file rte_mbuf.h. #define __rte_mbuf_sanity_check ( m, is_h ) do { } while (0) check mbuf type in debug mode Examples: ipv4_multicast/main.c.

static void rte_pktmbuf_reset ( struct rte_mbuf * m) inlinestatic Reset the fields of a packet mbuf to their default values. Call them A and > B. To use hardware L4 checksum offload, the user needs to: fill l2_len and l3_len in mbuf set the flags PKT_TX_TCP_CKSUM, PKT_TX_SCTP_CKSUM or PKT_TX_UDP_CKSUM set the flag PKT_TX_IPV4 or PKT_TX_IPV6 calculate the Dpdk Doc Re: vmnet: Failed to clone mbuf: 12 danethomas Jun 1, 2008 3:08 PM (in response to ghazau) I had upgraded to 2.01b in a hope to rid myself of this problem

Parameters mThe packet mbuf whose refcnt to be updated. Struct Rte_mbuf Right now, not supported: attachment for already indirect mbuf (e.g. - mi has to be direct). ENOSPC - the maximum number of memzones has already been allocated EEXIST - a memzone with the same name already exists ENOMEM - no appropriate memory area found in which to This function initializes the mempool private data in the case of a pktmbuf pool.

Examples: bond/main.c, exception_path/main.c, ipv4_multicast/main.c, netmap_compat/lib/compat_netmap.c, ptpclient/ptpclient.c, quota_watermark/qw/main.c, and vhost_xen/main.c. Rte_eth_rx_burst Examples: tep_termination/vxlan.c. Allocate a mbuf pool. * * - The pool contains NB_MBUF elements, where each mbuf is MBUF_SIZE * bytes long. * * #. static uint16_t rte_pktmbuf_data_room_size ( struct rte_mempool * mp) inlinestatic Get the data room size of mbufs stored in a pktmbuf_pool The data room size is the amount of data that can

Struct Rte_mbuf

Like Show 0 Likes (0) Actions 9. Packet format (inner only): <'ether type'=0x0800 | 'version'=4, 'MF'=1> or, <'ether type'=0x86DD | 'version'=6, 'next header'=44> Definition at line 626 of file rte_mbuf.h. #define RTE_PTYPE_INNER_L4_SCTP0x04000000 SCTP (Stream Control Transmission Protocol) packet Dpdk Mbuf Size Instead, >> it gives you a second mbuf whose payload pointer points back to the >> contents of the first (and also increments the reference counter on the >> first so Rte_mempool_create ReturnsThe last segment of the given mbuf.

Weird. not download but I assume it still tries to connect to peers, etc) this problem happened more often that not. void rte_pktmbuf_dump ( FILE * f, const struct rte_mbuf * m, unsigned dump_len ) Dump an mbuf structure to the console. Definition at line 98 of file rte_mbuf.h. #define PKT_RX_FDIR_FLX(1ULL << 14) Flexible bytes reported if FDIR match. Dpdk Mempool

Examples: tep_termination/vxlan.c. Definition at line 1616 of file rte_mbuf.h. #define rte_pktmbuf_mtod ( m, t ) rte_pktmbuf_mtod_offset(m, t, 0) A macro that points to the start of the data in the mbuf. Please type your message and try again. Source Test data manipulation in pktmbuf. * * - Alloc an mbuf. * - Append data using rte_pktmbuf_append().

Returns a pointer to the start address of the new data area. Rte_eth_dev_count Definition at line 1563 of file rte_mbuf.h. ReturnsThe length of the tailroom.

Returns 0: On success. -1: On error.

Toggle navigation Toggle navigation This project Loading... computed by NIC. Definition at line 1642 of file rte_mbuf.h. #define rte_pktmbuf_mtophys ( m) rte_pktmbuf_mtophys_offset(m, 0) A macro that returns the physical address that points to the start of the data in the Ol_flags Test data manipulation in pktmbuf. * * - Alloc an mbuf. * - Append data using rte_pktmbuf_append(). * - Test for error in rte_pktmbuf_append() when len is too large. * -

Packet format: <'ether type'=0x86DD | 'version'=6, 'next header'=[0x0|0x2B|0x2C|0x32|0x33|0x3C|0x87], 'extension headers'> Definition at line 335 of file rte_mbuf.h. #define RTE_PTYPE_L3_IPV6_EXT_UNKNOWN0x000000e0 IP (Internet Protocol) version 6 packet type. You can not post a blank message. A will be freed, and the refcount > of O decremented. The flag PKT_TX_IPV4 should also be set by the application, although a PMD will only check PKT_TX_IP_CKSUM.

mThe mbuf to initialize. It is used for inner packet only, and may or maynot contain extension headers. Definition at line 1261 of file rte_mbuf.h. Definition at line 866 of file rte_mbuf.h.

Definition at line 890 of file rte_mbuf.h. #define RTE_MBUF_DIRECT ( mb) (!RTE_MBUF_INDIRECT(mb)) Returns TRUE if given mbuf is direct, or FALSE otherwise.