/*-
* BSD LICENSE
- *
- * Copyright(c) 2010-2012 Intel Corporation. All rights reserved.
+ *
+ * Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
* All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
* are met:
- *
- * * Redistributions of source code must retain the above copyright
+ *
+ * * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
- * * 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
+ * * 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.
- * * Neither the name of Intel Corporation nor the names of its
- * contributors may be used to endorse or promote products derived
+ * * Neither the name of Intel Corporation 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 THE COPYRIGHT
- * OWNER 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
+ *
+ * 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 THE COPYRIGHT
+ * OWNER 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.
- *
*/
#ifndef _RTE_MBUF_H_
extern "C" {
#endif
+/* deprecated feature, renamed in RTE_MBUF_REFCNT */
+#pragma GCC poison RTE_MBUF_SCATTER_GATHER
+
/**
* A control message buffer.
*/
#define PKT_RX_FDIR 0x0004 /**< RX packet with FDIR infos. */
#define PKT_RX_L4_CKSUM_BAD 0x0008 /**< L4 cksum of RX pkt. is not OK. */
#define PKT_RX_IP_CKSUM_BAD 0x0010 /**< IP cksum of RX pkt. is not OK. */
+#define PKT_RX_EIP_CKSUM_BAD 0x0000 /**< External IP header checksum error. */
+#define PKT_RX_OVERSIZE 0x0000 /**< Num of desc of an RX pkt oversize. */
+#define PKT_RX_HBUF_OVERFLOW 0x0000 /**< Header buffer overflow. */
+#define PKT_RX_RECIP_ERR 0x0000 /**< Hardware processing error. */
+#define PKT_RX_MAC_ERR 0x0000 /**< MAC error. */
#define PKT_RX_IPV4_HDR 0x0020 /**< RX packet with IPv4 header. */
#define PKT_RX_IPV4_HDR_EXT 0x0040 /**< RX packet with extended IPv4 header. */
#define PKT_RX_IPV6_HDR 0x0080 /**< RX packet with IPv6 header. */
#define PKT_TX_VLAN_PKT 0x0800 /**< TX packet is a 802.1q VLAN packet. */
#define PKT_TX_IP_CKSUM 0x1000 /**< IP cksum of TX pkt. computed by NIC. */
+#define PKT_TX_IPV4_CSUM 0x1000 /**< Alias of PKT_TX_IP_CKSUM. */
+#define PKT_TX_IPV4 PKT_RX_IPV4_HDR /**< IPv4 with no IP checksum offload. */
+#define PKT_TX_IPV6 PKT_RX_IPV6_HDR /**< IPv6 packet */
/*
* Bit 14~13 used for L4 packet type with checksum enabled.
* 00: Reserved
uint16_t hash;
uint16_t id;
} fdir; /**< Filter identifier if FDIR enabled */
+ uint32_t sched; /**< Hierarchical scheduler */
} hash; /**< hash information */
};
void *buf_addr; /**< Virtual address of segment buffer. */
phys_addr_t buf_physaddr; /**< Physical address of segment buffer. */
uint16_t buf_len; /**< Length of segment buffer. */
-#ifdef RTE_MBUF_SCATTER_GATHER
+#ifdef RTE_MBUF_REFCNT
/**
* 16-bit Reference counter.
* It should only be accessed using the following functions:
struct rte_ctrlmbuf ctrl;
struct rte_pktmbuf pkt;
};
+
+ union {
+ uint8_t metadata[0];
+ uint16_t metadata16[0];
+ uint32_t metadata32[0];
+ uint64_t metadata64[0];
+ };
} __rte_cache_aligned;
+#define RTE_MBUF_METADATA_UINT8(mbuf, offset) \
+ (mbuf->metadata[offset])
+#define RTE_MBUF_METADATA_UINT16(mbuf, offset) \
+ (mbuf->metadata16[offset/sizeof(uint16_t)])
+#define RTE_MBUF_METADATA_UINT32(mbuf, offset) \
+ (mbuf->metadata32[offset/sizeof(uint32_t)])
+#define RTE_MBUF_METADATA_UINT64(mbuf, offset) \
+ (mbuf->metadata64[offset/sizeof(uint64_t)])
+
+#define RTE_MBUF_METADATA_UINT8_PTR(mbuf, offset) \
+ (&mbuf->metadata[offset])
+#define RTE_MBUF_METADATA_UINT16_PTR(mbuf, offset) \
+ (&mbuf->metadata16[offset/sizeof(uint16_t)])
+#define RTE_MBUF_METADATA_UINT32_PTR(mbuf, offset) \
+ (&mbuf->metadata32[offset/sizeof(uint32_t)])
+#define RTE_MBUF_METADATA_UINT64_PTR(mbuf, offset) \
+ (&mbuf->metadata64[offset/sizeof(uint64_t)])
+
/**
* Given the buf_addr returns the pointer to corresponding mbuf.
*/
#endif /* RTE_LIBRTE_MBUF_DEBUG */
-#ifdef RTE_MBUF_SCATTER_GATHER
+#ifdef RTE_MBUF_REFCNT
#ifdef RTE_MBUF_REFCNT_ATOMIC
/**
rte_prefetch0(m); \
} while (0)
-#else /* ! RTE_MBUF_SCATTER_GATHER */
+#else /* ! RTE_MBUF_REFCNT */
/** Mbuf prefetch */
#define RTE_MBUF_PREFETCH_TO_FREE(m) do { } while(0)
#define rte_mbuf_refcnt_set(m,v) do { } while(0)
-#endif /* RTE_MBUF_SCATTER_GATHER */
+#endif /* RTE_MBUF_REFCNT */
/**
if (rte_mempool_get(mp, &mb) < 0)
return NULL;
m = (struct rte_mbuf *)mb;
-#ifdef RTE_MBUF_SCATTER_GATHER
+#ifdef RTE_MBUF_REFCNT
RTE_MBUF_ASSERT(rte_mbuf_refcnt_read(m) == 0);
rte_mbuf_refcnt_set(m, 1);
-#endif /* RTE_MBUF_SCATTER_GATHER */
+#endif /* RTE_MBUF_REFCNT */
return (m);
}
* @param m
* The mbuf to be freed.
*/
-static inline void __rte_mbuf_raw_free(struct rte_mbuf *m)
+static inline void __attribute__((always_inline))
+__rte_mbuf_raw_free(struct rte_mbuf *m)
{
-#ifdef RTE_MBUF_SCATTER_GATHER
+#ifdef RTE_MBUF_REFCNT
RTE_MBUF_ASSERT(rte_mbuf_refcnt_read(m) == 0);
-#endif /* RTE_MBUF_SCATTER_GATHER */
+#endif /* RTE_MBUF_REFCNT */
rte_mempool_put(m->pool, m);
}
static inline void rte_ctrlmbuf_free(struct rte_mbuf *m)
{
__rte_mbuf_sanity_check(m, RTE_MBUF_CTRL, 0);
-#ifdef RTE_MBUF_SCATTER_GATHER
+#ifdef RTE_MBUF_REFCNT
if (rte_mbuf_refcnt_update(m, -1) == 0)
-#endif /* RTE_MBUF_SCATTER_GATHER */
+#endif /* RTE_MBUF_REFCNT */
__rte_mbuf_raw_free(m);
}
return (m);
}
-#ifdef RTE_MBUF_SCATTER_GATHER
+#ifdef RTE_MBUF_REFCNT
/**
* Attach packet mbuf to another packet mbuf.
mi->pkt.next = NULL;
mi->pkt.pkt_len = mi->pkt.data_len;
mi->pkt.nb_segs = 1;
+ mi->ol_flags = md->ol_flags;
__rte_mbuf_sanity_check(mi, RTE_MBUF_PKT, 1);
__rte_mbuf_sanity_check(md, RTE_MBUF_PKT, 0);
m->pkt.data_len = 0;
}
-#endif /* RTE_MBUF_SCATTER_GATHER */
+#endif /* RTE_MBUF_REFCNT */
-/**
- * Free a segment of a packet mbuf into its original mempool.
- *
- * Free an mbuf, without parsing other segments in case of chained
- * buffers.
- *
- * @param m
- * The packet mbuf segment to be freed.
- */
-static inline void rte_pktmbuf_free_seg(struct rte_mbuf *m)
+
+static inline struct rte_mbuf* __attribute__((always_inline))
+__rte_pktmbuf_prefree_seg(struct rte_mbuf *m)
{
__rte_mbuf_sanity_check(m, RTE_MBUF_PKT, 0);
-#ifdef RTE_MBUF_SCATTER_GATHER
+#ifdef RTE_MBUF_REFCNT
if (likely (rte_mbuf_refcnt_read(m) == 1) ||
likely (rte_mbuf_refcnt_update(m, -1) == 0)) {
struct rte_mbuf *md = RTE_MBUF_FROM_BADDR(m->buf_addr);
__rte_mbuf_raw_free(md);
}
#endif
- __rte_mbuf_raw_free(m);
-#ifdef RTE_MBUF_SCATTER_GATHER
+ return(m);
+#ifdef RTE_MBUF_REFCNT
}
+ return (NULL);
#endif
}
+/**
+ * Free a segment of a packet mbuf into its original mempool.
+ *
+ * Free an mbuf, without parsing other segments in case of chained
+ * buffers.
+ *
+ * @param m
+ * The packet mbuf segment to be freed.
+ */
+static inline void __attribute__((always_inline))
+rte_pktmbuf_free_seg(struct rte_mbuf *m)
+{
+ if (likely(NULL != (m = __rte_pktmbuf_prefree_seg(m))))
+ __rte_mbuf_raw_free(m);
+}
+
/**
* Free a packet mbuf back into its original mempool.
*
}
}
-#ifdef RTE_MBUF_SCATTER_GATHER
+#ifdef RTE_MBUF_REFCNT
/**
* Creates a "clone" of the given packet mbuf.
} while ((m = m->pkt.next) != NULL);
}
-#endif /* RTE_MBUF_SCATTER_GATHER */
+#endif /* RTE_MBUF_REFCNT */
/**
* Get the headroom in a packet mbuf.
* Dump all fields for the given packet mbuf and all its associated
* segments (in the case of a chained buffer).
*
+ * @param f
+ * A pointer to a file for output
* @param m
* The packet mbuf.
* @param dump_len
* If dump_len != 0, also dump the "dump_len" first data bytes of
* the packet.
*/
-void rte_pktmbuf_dump(const struct rte_mbuf *m, unsigned dump_len);
+void rte_pktmbuf_dump(FILE *f, const struct rte_mbuf *m, unsigned dump_len);
#ifdef __cplusplus
}
git.droids-corp.org / dpdk.git / blobdiff