From 2b76648872c9a5982504c22c8fdc0f4567cdbab9 Mon Sep 17 00:00:00 2001 From: Tomasz Kulasek Date: Fri, 23 Dec 2016 19:40:48 +0100 Subject: [PATCH] net/e1000: add Tx preparation Signed-off-by: Tomasz Kulasek Acked-by: Konstantin Ananyev --- drivers/net/e1000/e1000_ethdev.h | 11 +++++++ drivers/net/e1000/em_ethdev.c | 5 ++- drivers/net/e1000/em_rxtx.c | 48 ++++++++++++++++++++++++++++- drivers/net/e1000/igb_ethdev.c | 4 +++ drivers/net/e1000/igb_rxtx.c | 53 +++++++++++++++++++++++++++++++- 5 files changed, 118 insertions(+), 3 deletions(-) diff --git a/drivers/net/e1000/e1000_ethdev.h b/drivers/net/e1000/e1000_ethdev.h index e5cfbcb697..81a6dbb7a4 100644 --- a/drivers/net/e1000/e1000_ethdev.h +++ b/drivers/net/e1000/e1000_ethdev.h @@ -138,6 +138,11 @@ #define E1000_MISC_VEC_ID RTE_INTR_VEC_ZERO_OFFSET #define E1000_RX_VEC_START RTE_INTR_VEC_RXTX_OFFSET +#define IGB_TX_MAX_SEG UINT8_MAX +#define IGB_TX_MAX_MTU_SEG UINT8_MAX +#define EM_TX_MAX_SEG UINT8_MAX +#define EM_TX_MAX_MTU_SEG UINT8_MAX + /* structure for interrupt relative data */ struct e1000_interrupt { uint32_t flags; @@ -317,6 +322,9 @@ void eth_igb_tx_init(struct rte_eth_dev *dev); uint16_t eth_igb_xmit_pkts(void *txq, struct rte_mbuf **tx_pkts, uint16_t nb_pkts); +uint16_t eth_igb_prep_pkts(void *txq, struct rte_mbuf **tx_pkts, + uint16_t nb_pkts); + uint16_t eth_igb_recv_pkts(void *rxq, struct rte_mbuf **rx_pkts, uint16_t nb_pkts); @@ -378,6 +386,9 @@ void eth_em_tx_init(struct rte_eth_dev *dev); uint16_t eth_em_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts, uint16_t nb_pkts); +uint16_t eth_em_prep_pkts(void *txq, struct rte_mbuf **tx_pkts, + uint16_t nb_pkts); + uint16_t eth_em_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts, uint16_t nb_pkts); diff --git a/drivers/net/e1000/em_ethdev.c b/drivers/net/e1000/em_ethdev.c index 436acbb5c0..5f6e66dd4a 100644 --- a/drivers/net/e1000/em_ethdev.c +++ b/drivers/net/e1000/em_ethdev.c @@ -1,7 +1,7 @@ /*- * BSD LICENSE * - * Copyright(c) 2010-2015 Intel Corporation. All rights reserved. + * Copyright(c) 2010-2016 Intel Corporation. All rights reserved. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -300,6 +300,7 @@ eth_em_dev_init(struct rte_eth_dev *eth_dev) eth_dev->dev_ops = ð_em_ops; eth_dev->rx_pkt_burst = (eth_rx_burst_t)ð_em_recv_pkts; eth_dev->tx_pkt_burst = (eth_tx_burst_t)ð_em_xmit_pkts; + eth_dev->tx_pkt_prepare = (eth_tx_prep_t)ð_em_prep_pkts; /* for secondary processes, we don't initialise any further as primary * has already done this work. Only check we don't need a different @@ -1084,6 +1085,8 @@ eth_em_infos_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info) .nb_max = E1000_MAX_RING_DESC, .nb_min = E1000_MIN_RING_DESC, .nb_align = EM_TXD_ALIGN, + .nb_seg_max = EM_TX_MAX_SEG, + .nb_mtu_seg_max = EM_TX_MAX_MTU_SEG, }; dev_info->speed_capa = ETH_LINK_SPEED_10M_HD | ETH_LINK_SPEED_10M | diff --git a/drivers/net/e1000/em_rxtx.c b/drivers/net/e1000/em_rxtx.c index 41f51c0f7b..7e271ad646 100644 --- a/drivers/net/e1000/em_rxtx.c +++ b/drivers/net/e1000/em_rxtx.c @@ -1,7 +1,7 @@ /*- * BSD LICENSE * - * Copyright(c) 2010-2015 Intel Corporation. All rights reserved. + * Copyright(c) 2010-2016 Intel Corporation. All rights reserved. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -66,6 +66,7 @@ #include #include #include +#include #include #include "e1000_logs.h" @@ -77,6 +78,14 @@ #define E1000_RXDCTL_GRAN 0x01000000 /* RXDCTL Granularity */ +#define E1000_TX_OFFLOAD_MASK ( \ + PKT_TX_IP_CKSUM | \ + PKT_TX_L4_MASK | \ + PKT_TX_VLAN_PKT) + +#define E1000_TX_OFFLOAD_NOTSUP_MASK \ + (PKT_TX_OFFLOAD_MASK ^ E1000_TX_OFFLOAD_MASK) + /** * Structure associated with each descriptor of the RX ring of a RX queue. */ @@ -616,6 +625,43 @@ eth_em_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts, return nb_tx; } +/********************************************************************* + * + * TX prep functions + * + **********************************************************************/ +uint16_t +eth_em_prep_pkts(__rte_unused void *tx_queue, struct rte_mbuf **tx_pkts, + uint16_t nb_pkts) +{ + int i, ret; + struct rte_mbuf *m; + + for (i = 0; i < nb_pkts; i++) { + m = tx_pkts[i]; + + if (m->ol_flags & E1000_TX_OFFLOAD_NOTSUP_MASK) { + rte_errno = -ENOTSUP; + return i; + } + +#ifdef RTE_LIBRTE_ETHDEV_DEBUG + ret = rte_validate_tx_offload(m); + if (ret != 0) { + rte_errno = ret; + return i; + } +#endif + ret = rte_net_intel_cksum_prepare(m); + if (ret != 0) { + rte_errno = ret; + return i; + } + } + + return i; +} + /********************************************************************* * * RX functions diff --git a/drivers/net/e1000/igb_ethdev.c b/drivers/net/e1000/igb_ethdev.c index 4a15447914..2bb57f54bc 100644 --- a/drivers/net/e1000/igb_ethdev.c +++ b/drivers/net/e1000/igb_ethdev.c @@ -370,6 +370,8 @@ static const struct rte_eth_desc_lim tx_desc_lim = { .nb_max = E1000_MAX_RING_DESC, .nb_min = E1000_MIN_RING_DESC, .nb_align = IGB_RXD_ALIGN, + .nb_seg_max = IGB_TX_MAX_SEG, + .nb_mtu_seg_max = IGB_TX_MAX_MTU_SEG, }; static const struct eth_dev_ops eth_igb_ops = { @@ -760,6 +762,7 @@ eth_igb_dev_init(struct rte_eth_dev *eth_dev) eth_dev->dev_ops = ð_igb_ops; eth_dev->rx_pkt_burst = ð_igb_recv_pkts; eth_dev->tx_pkt_burst = ð_igb_xmit_pkts; + eth_dev->tx_pkt_prepare = ð_igb_prep_pkts; /* for secondary processes, we don't initialise any further as primary * has already done this work. Only check we don't need a different @@ -966,6 +969,7 @@ eth_igbvf_dev_init(struct rte_eth_dev *eth_dev) eth_dev->dev_ops = &igbvf_eth_dev_ops; eth_dev->rx_pkt_burst = ð_igb_recv_pkts; eth_dev->tx_pkt_burst = ð_igb_xmit_pkts; + eth_dev->tx_pkt_prepare = ð_igb_prep_pkts; /* for secondary processes, we don't initialise any further as primary * has already done this work. Only check we don't need a different diff --git a/drivers/net/e1000/igb_rxtx.c b/drivers/net/e1000/igb_rxtx.c index dbd37acc31..5d0d3cd6c3 100644 --- a/drivers/net/e1000/igb_rxtx.c +++ b/drivers/net/e1000/igb_rxtx.c @@ -1,7 +1,7 @@ /*- * BSD LICENSE * - * Copyright(c) 2010-2015 Intel Corporation. All rights reserved. + * Copyright(c) 2010-2016 Intel Corporation. All rights reserved. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -65,6 +65,7 @@ #include #include #include +#include #include #include "e1000_logs.h" @@ -78,6 +79,9 @@ PKT_TX_L4_MASK | \ PKT_TX_TCP_SEG) +#define IGB_TX_OFFLOAD_NOTSUP_MASK \ + (PKT_TX_OFFLOAD_MASK ^ IGB_TX_OFFLOAD_MASK) + /** * Structure associated with each descriptor of the RX ring of a RX queue. */ @@ -614,6 +618,52 @@ eth_igb_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts, return nb_tx; } +/********************************************************************* + * + * TX prep functions + * + **********************************************************************/ +uint16_t +eth_igb_prep_pkts(__rte_unused void *tx_queue, struct rte_mbuf **tx_pkts, + uint16_t nb_pkts) +{ + int i, ret; + struct rte_mbuf *m; + + for (i = 0; i < nb_pkts; i++) { + m = tx_pkts[i]; + + /* Check some limitations for TSO in hardware */ + if (m->ol_flags & PKT_TX_TCP_SEG) + if ((m->tso_segsz > IGB_TSO_MAX_MSS) || + (m->l2_len + m->l3_len + m->l4_len > + IGB_TSO_MAX_HDRLEN)) { + rte_errno = -EINVAL; + return i; + } + + if (m->ol_flags & IGB_TX_OFFLOAD_NOTSUP_MASK) { + rte_errno = -ENOTSUP; + return i; + } + +#ifdef RTE_LIBRTE_ETHDEV_DEBUG + ret = rte_validate_tx_offload(m); + if (ret != 0) { + rte_errno = ret; + return i; + } +#endif + ret = rte_net_intel_cksum_prepare(m); + if (ret != 0) { + rte_errno = ret; + return i; + } + } + + return i; +} + /********************************************************************* * * RX functions @@ -1364,6 +1414,7 @@ eth_igb_tx_queue_setup(struct rte_eth_dev *dev, igb_reset_tx_queue(txq, dev); dev->tx_pkt_burst = eth_igb_xmit_pkts; + dev->tx_pkt_prepare = ð_igb_prep_pkts; dev->data->tx_queues[queue_idx] = txq; return 0;