X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=lib%2Flibrte_mbuf%2Frte_mbuf.c;h=dc0467c96a2c8ee3a666d73e1eb937b332df30ac;hb=03600dd583af60c1cb454ee5e8e9f2118269545d;hp=9b57b3a7503accc70b0451a459dfcc38a882c5e6;hpb=e4a1c50e69f86944cb49384eb3211d080cb44f7a;p=dpdk.git diff --git a/lib/librte_mbuf/rte_mbuf.c b/lib/librte_mbuf/rte_mbuf.c index 9b57b3a750..dc0467c96a 100644 --- a/lib/librte_mbuf/rte_mbuf.c +++ b/lib/librte_mbuf/rte_mbuf.c @@ -48,7 +48,6 @@ #include #include #include -#include #include #include #include @@ -59,6 +58,7 @@ #include #include #include +#include /* * ctrlmbuf constructor, given as a callback function to @@ -82,17 +82,30 @@ rte_ctrlmbuf_init(struct rte_mempool *mp, void rte_pktmbuf_pool_init(struct rte_mempool *mp, void *opaque_arg) { - struct rte_pktmbuf_pool_private *mbp_priv; + struct rte_pktmbuf_pool_private *user_mbp_priv, *mbp_priv; + struct rte_pktmbuf_pool_private default_mbp_priv; uint16_t roomsz; - mbp_priv = rte_mempool_get_priv(mp); - roomsz = (uint16_t)(uintptr_t)opaque_arg; + RTE_MBUF_ASSERT(mp->elt_size >= sizeof(struct rte_mbuf)); + + /* if no structure is provided, assume no mbuf private area */ + user_mbp_priv = opaque_arg; + if (user_mbp_priv == NULL) { + default_mbp_priv.mbuf_priv_size = 0; + if (mp->elt_size > sizeof(struct rte_mbuf)) + roomsz = mp->elt_size - sizeof(struct rte_mbuf); + else + roomsz = 0; + default_mbp_priv.mbuf_data_room_size = roomsz; + user_mbp_priv = &default_mbp_priv; + } - /* Use default data room size. */ - if (0 == roomsz) - roomsz = 2048 + RTE_PKTMBUF_HEADROOM; + RTE_MBUF_ASSERT(mp->elt_size >= sizeof(struct rte_mbuf) + + user_mbp_priv->mbuf_data_room_size + + user_mbp_priv->mbuf_priv_size); - mbp_priv->mbuf_data_room_size = roomsz; + mbp_priv = rte_mempool_get_priv(mp); + memcpy(mbp_priv, user_mbp_priv, sizeof(*mbp_priv)); } /* @@ -107,16 +120,22 @@ rte_pktmbuf_init(struct rte_mempool *mp, __attribute__((unused)) unsigned i) { struct rte_mbuf *m = _m; - uint32_t buf_len = mp->elt_size - sizeof(struct rte_mbuf); + uint32_t mbuf_size, buf_len, priv_size; - RTE_MBUF_ASSERT(mp->elt_size >= sizeof(struct rte_mbuf)); + priv_size = rte_pktmbuf_priv_size(mp); + mbuf_size = sizeof(struct rte_mbuf) + priv_size; + buf_len = rte_pktmbuf_data_room_size(mp); + + RTE_MBUF_ASSERT(RTE_ALIGN(priv_size, RTE_MBUF_PRIV_ALIGN) == priv_size); + RTE_MBUF_ASSERT(mp->elt_size >= mbuf_size); + RTE_MBUF_ASSERT(buf_len <= UINT16_MAX); memset(m, 0, mp->elt_size); - /* start of buffer is just after mbuf structure */ - m->buf_addr = (char *)m + sizeof(struct rte_mbuf); - m->buf_physaddr = rte_mempool_virt2phy(mp, m) + - sizeof(struct rte_mbuf); + /* start of buffer is after mbuf structure and priv data */ + m->priv_size = priv_size; + m->buf_addr = (char *)m + mbuf_size; + m->buf_physaddr = rte_mempool_virt2phy(mp, m) + mbuf_size; m->buf_len = (uint16_t)buf_len; /* keep some headroom between start of buffer and data */ @@ -128,6 +147,32 @@ rte_pktmbuf_init(struct rte_mempool *mp, m->port = 0xff; } +/* helper to create a mbuf pool */ +struct rte_mempool * +rte_pktmbuf_pool_create(const char *name, unsigned n, + unsigned cache_size, uint16_t priv_size, uint16_t data_room_size, + int socket_id) +{ + struct rte_pktmbuf_pool_private mbp_priv; + unsigned elt_size; + + if (RTE_ALIGN(priv_size, RTE_MBUF_PRIV_ALIGN) != priv_size) { + RTE_LOG(ERR, MBUF, "mbuf priv_size=%u is not aligned\n", + priv_size); + rte_errno = EINVAL; + return NULL; + } + elt_size = sizeof(struct rte_mbuf) + (unsigned)priv_size + + (unsigned)data_room_size; + mbp_priv.mbuf_data_room_size = data_room_size; + mbp_priv.mbuf_priv_size = priv_size; + + return rte_mempool_create(name, n, elt_size, + cache_size, sizeof(struct rte_pktmbuf_pool_private), + rte_pktmbuf_pool_init, &mbp_priv, rte_pktmbuf_init, NULL, + socket_id, 0); +} + /* do some sanity checks on a mbuf: panic if it fails */ void rte_mbuf_sanity_check(const struct rte_mbuf *m, int is_header) @@ -146,11 +191,9 @@ rte_mbuf_sanity_check(const struct rte_mbuf *m, int is_header) if (m->buf_addr == NULL) rte_panic("bad virt addr\n"); -#ifdef RTE_MBUF_REFCNT uint16_t cnt = rte_mbuf_refcnt_read(m); if ((cnt == 0) || (cnt == UINT16_MAX)) rte_panic("bad ref cnt\n"); -#endif /* nothing to check for sub-segments */ if (is_header == 0) @@ -210,19 +253,13 @@ const char *rte_get_rx_ol_flag_name(uint64_t mask) case PKT_RX_FDIR: return "PKT_RX_FDIR"; case PKT_RX_L4_CKSUM_BAD: return "PKT_RX_L4_CKSUM_BAD"; case PKT_RX_IP_CKSUM_BAD: return "PKT_RX_IP_CKSUM_BAD"; - /* case PKT_RX_EIP_CKSUM_BAD: return "PKT_RX_EIP_CKSUM_BAD"; */ + case PKT_RX_EIP_CKSUM_BAD: return "PKT_RX_EIP_CKSUM_BAD"; /* case PKT_RX_OVERSIZE: return "PKT_RX_OVERSIZE"; */ /* case PKT_RX_HBUF_OVERFLOW: return "PKT_RX_HBUF_OVERFLOW"; */ /* case PKT_RX_RECIP_ERR: return "PKT_RX_RECIP_ERR"; */ /* case PKT_RX_MAC_ERR: return "PKT_RX_MAC_ERR"; */ - case PKT_RX_IPV4_HDR: return "PKT_RX_IPV4_HDR"; - case PKT_RX_IPV4_HDR_EXT: return "PKT_RX_IPV4_HDR_EXT"; - case PKT_RX_IPV6_HDR: return "PKT_RX_IPV6_HDR"; - case PKT_RX_IPV6_HDR_EXT: return "PKT_RX_IPV6_HDR_EXT"; case PKT_RX_IEEE1588_PTP: return "PKT_RX_IEEE1588_PTP"; case PKT_RX_IEEE1588_TMST: return "PKT_RX_IEEE1588_TMST"; - case PKT_RX_TUNNEL_IPV4_HDR: return "PKT_RX_TUNNEL_IPV4_HDR"; - case PKT_RX_TUNNEL_IPV6_HDR: return "PKT_RX_TUNNEL_IPV6_HDR"; default: return NULL; } } @@ -240,7 +277,12 @@ const char *rte_get_tx_ol_flag_name(uint64_t mask) case PKT_TX_SCTP_CKSUM: return "PKT_TX_SCTP_CKSUM"; case PKT_TX_UDP_CKSUM: return "PKT_TX_UDP_CKSUM"; case PKT_TX_IEEE1588_TMST: return "PKT_TX_IEEE1588_TMST"; - case PKT_TX_VXLAN_CKSUM: return "PKT_TX_VXLAN_CKSUM"; + case PKT_TX_TCP_SEG: return "PKT_TX_TCP_SEG"; + case PKT_TX_IPV4: return "PKT_TX_IPV4"; + case PKT_TX_IPV6: return "PKT_TX_IPV6"; + case PKT_TX_OUTER_IP_CKSUM: return "PKT_TX_OUTER_IP_CKSUM"; + case PKT_TX_OUTER_IPV4: return "PKT_TX_OUTER_IPV4"; + case PKT_TX_OUTER_IPV6: return "PKT_TX_OUTER_IPV6"; default: return NULL; } }