build/external/patches/dpdk_20.02/0011-net-iavf-add-flow-director-enabled-switch-value.patch

   1 From e69d36c549609c02b6814cd06232e340fe0b873b Mon Sep 17 00:00:00 2001
   2 From: Leyi Rong <leyi.rong@intel.com>
   3 Date: Wed, 8 Apr 2020 14:22:05 +0800
   4 Subject: [DPDK 11/17] net/iavf: add flow director enabled switch value
   5
   6 The commit adds fdir_enabled flag into iavf_rx_queue structure
   7 to identify if fdir id is active. Rx data path can be benefit if
   8 fdir id parsing is not needed, especially in vector path.
   9
  10 Signed-off-by: Leyi Rong <leyi.rong@intel.com>
  11 ---
  12  drivers/net/iavf/iavf.h      |  1 +
  13  drivers/net/iavf/iavf_rxtx.h | 30 ++++++++++++++++++++++++++++++
  14  2 files changed, 31 insertions(+)
  15
  16 diff --git a/drivers/net/iavf/iavf.h b/drivers/net/iavf/iavf.h
  17 index 67d625053..0cd0117c2 100644
  18 --- a/drivers/net/iavf/iavf.h
  19 +++ b/drivers/net/iavf/iavf.h
  20 @@ -134,6 +134,7 @@ struct iavf_adapter {
  21         bool tx_vec_allowed;
  22         const uint32_t *ptype_tbl;
  23         bool stopped;
  24 +       uint16_t fdir_ref_cnt;
  25  };
  26
  27  /* IAVF_DEV_PRIVATE_TO */
  28 diff --git a/drivers/net/iavf/iavf_rxtx.h b/drivers/net/iavf/iavf_rxtx.h
  29 index 8e1db2588..f37438953 100644
  30 --- a/drivers/net/iavf/iavf_rxtx.h
  31 +++ b/drivers/net/iavf/iavf_rxtx.h
  32 @@ -103,6 +103,7 @@ struct iavf_rx_queue {
  33
  34         uint16_t port_id;        /* device port ID */
  35         uint8_t crc_len;        /* 0 if CRC stripped, 4 otherwise */
  36 +       uint8_t fdir_enabled;   /* 0 if FDIR disabled, 1 when enabled */
  37         uint16_t queue_id;      /* Rx queue index */
  38         uint16_t rx_buf_len;    /* The packet buffer size */
  39         uint16_t rx_hdr_len;    /* The header buffer size */
  40 @@ -485,6 +486,35 @@ void iavf_dump_tx_descriptor(const struct iavf_tx_queue *txq,
  41                tx_desc->cmd_type_offset_bsz);
  42  }
  43
  44 +#define FDIR_PROC_ENABLE_PER_QUEUE(ad, on) do { \
  45 +       int i; \
  46 +       for (i = 0; i < (ad)->eth_dev->data->nb_rx_queues; i++) { \
  47 +               struct iavf_rx_queue *rxq = (ad)->eth_dev->data->rx_queues[i]; \
  48 +               if (!rxq) \
  49 +                       continue; \
  50 +               rxq->fdir_enabled = on; \
  51 +       } \
  52 +       PMD_DRV_LOG(DEBUG, "FDIR processing on RX set to %d", on); \
  53 +} while (0)
  54 +
  55 +/* Enable/disable flow director Rx processing in data path. */
  56 +static inline
  57 +void iavf_fdir_rx_proc_enable(struct iavf_adapter *ad, bool on)
  58 +{
  59 +       if (on) {
  60 +               /* enable flow director processing */
  61 +               if (ad->fdir_ref_cnt++ == 0)
  62 +                       FDIR_PROC_ENABLE_PER_QUEUE(ad, on);
  63 +       } else {
  64 +               if (ad->fdir_ref_cnt >= 1) {
  65 +                       ad->fdir_ref_cnt--;
  66 +
  67 +                       if (ad->fdir_ref_cnt == 0)
  68 +                               FDIR_PROC_ENABLE_PER_QUEUE(ad, on);
  69 +               }
  70 +       }
  71 +}
  72 +
  73  #ifdef RTE_LIBRTE_IAVF_DEBUG_DUMP_DESC
  74  #define IAVF_DUMP_RX_DESC(rxq, desc, rx_id) \
  75         iavf_dump_rx_descriptor(rxq, desc, rx_id)
  76 --
  77 2.17.1
  78