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path: root/drivers/net/bnxt/bnxt_ring.c
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Diffstat (limited to 'drivers/net/bnxt/bnxt_ring.c')
-rw-r--r--drivers/net/bnxt/bnxt_ring.c237
1 files changed, 172 insertions, 65 deletions
diff --git a/drivers/net/bnxt/bnxt_ring.c b/drivers/net/bnxt/bnxt_ring.c
index 8fb89721..fcbd6bc6 100644
--- a/drivers/net/bnxt/bnxt_ring.c
+++ b/drivers/net/bnxt/bnxt_ring.c
@@ -1,34 +1,6 @@
-/*-
- * BSD LICENSE
- *
- * Copyright(c) Broadcom Limited.
- * All rights reserved.
- *
- * 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
- * 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
- * distribution.
- * * Neither the name of Broadcom 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
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2014-2018 Broadcom
+ * All rights reserved.
*/
#include <rte_bitmap.h>
@@ -52,11 +24,14 @@
void bnxt_free_ring(struct bnxt_ring *ring)
{
+ if (!ring)
+ return;
+
if (ring->vmem_size && *ring->vmem) {
memset((char *)*ring->vmem, 0, ring->vmem_size);
*ring->vmem = NULL;
}
- rte_memzone_free((const struct rte_memzone *)ring->mem_zone);
+ ring->mem_zone = NULL;
}
/*
@@ -89,22 +64,26 @@ int bnxt_init_ring_grps(struct bnxt *bp)
* rx bd ring - Only non-zero length if rx_ring_info is not NULL
*/
int bnxt_alloc_rings(struct bnxt *bp, uint16_t qidx,
- struct bnxt_tx_ring_info *tx_ring_info,
- struct bnxt_rx_ring_info *rx_ring_info,
+ struct bnxt_tx_queue *txq,
+ struct bnxt_rx_queue *rxq,
struct bnxt_cp_ring_info *cp_ring_info,
const char *suffix)
{
struct bnxt_ring *cp_ring = cp_ring_info->cp_ring_struct;
+ struct bnxt_rx_ring_info *rx_ring_info = rxq ? rxq->rx_ring : NULL;
+ struct bnxt_tx_ring_info *tx_ring_info = txq ? txq->tx_ring : NULL;
struct bnxt_ring *tx_ring;
struct bnxt_ring *rx_ring;
struct rte_pci_device *pdev = bp->pdev;
+ uint64_t rx_offloads = bp->eth_dev->data->dev_conf.rxmode.offloads;
const struct rte_memzone *mz = NULL;
char mz_name[RTE_MEMZONE_NAMESIZE];
rte_iova_t mz_phys_addr;
int sz;
int stats_len = (tx_ring_info || rx_ring_info) ?
- RTE_CACHE_LINE_ROUNDUP(sizeof(struct ctx_hw_stats64)) : 0;
+ RTE_CACHE_LINE_ROUNDUP(sizeof(struct hwrm_stat_ctx_query_output) -
+ sizeof (struct hwrm_resp_hdr)) : 0;
int cp_vmem_start = stats_len;
int cp_vmem_len = RTE_CACHE_LINE_ROUNDUP(cp_ring->vmem_size);
@@ -155,7 +134,7 @@ int bnxt_alloc_rings(struct bnxt *bp, uint16_t qidx,
sizeof(struct bnxt_tpa_info)) : 0;
int total_alloc_len = tpa_info_start;
- if (bp->eth_dev->data->dev_conf.rxmode.enable_lro)
+ if (rx_offloads & DEV_RX_OFFLOAD_TCP_LRO)
total_alloc_len += tpa_info_len;
snprintf(mz_name, RTE_MEMZONE_NAMESIZE,
@@ -166,10 +145,11 @@ int bnxt_alloc_rings(struct bnxt *bp, uint16_t qidx,
mz = rte_memzone_lookup(mz_name);
if (!mz) {
mz = rte_memzone_reserve_aligned(mz_name, total_alloc_len,
- SOCKET_ID_ANY,
- RTE_MEMZONE_2MB |
- RTE_MEMZONE_SIZE_HINT_ONLY,
- getpagesize());
+ SOCKET_ID_ANY,
+ RTE_MEMZONE_2MB |
+ RTE_MEMZONE_SIZE_HINT_ONLY |
+ RTE_MEMZONE_IOVA_CONTIG,
+ getpagesize());
if (mz == NULL)
return -ENOMEM;
}
@@ -191,6 +171,7 @@ int bnxt_alloc_rings(struct bnxt *bp, uint16_t qidx,
}
if (tx_ring_info) {
+ txq->mz = mz;
tx_ring = tx_ring_info->tx_ring_struct;
tx_ring->bd = ((char *)mz->addr + tx_ring_start);
@@ -210,6 +191,7 @@ int bnxt_alloc_rings(struct bnxt *bp, uint16_t qidx,
}
if (rx_ring_info) {
+ rxq->mz = mz;
rx_ring = rx_ring_info->rx_ring_struct;
rx_ring->bd = ((char *)mz->addr + rx_ring_start);
@@ -252,7 +234,7 @@ int bnxt_alloc_rings(struct bnxt *bp, uint16_t qidx,
ag_bitmap_start, ag_bitmap_len);
/* TPA info */
- if (bp->eth_dev->data->dev_conf.rxmode.enable_lro)
+ if (rx_offloads & DEV_RX_OFFLOAD_TCP_LRO)
rx_ring_info->tpa_info =
((struct bnxt_tpa_info *)((char *)mz->addr +
tpa_info_start));
@@ -276,6 +258,116 @@ int bnxt_alloc_rings(struct bnxt *bp, uint16_t qidx,
return 0;
}
+static void bnxt_init_dflt_coal(struct bnxt_coal *coal)
+{
+ /* Tick values in micro seconds.
+ * 1 coal_buf x bufs_per_record = 1 completion record.
+ */
+ coal->num_cmpl_aggr_int = BNXT_NUM_CMPL_AGGR_INT;
+ /* This is a 6-bit value and must not be 0, or we'll get non stop IRQ */
+ coal->num_cmpl_dma_aggr = BNXT_NUM_CMPL_DMA_AGGR;
+ /* This is a 6-bit value and must not be 0, or we'll get non stop IRQ */
+ coal->num_cmpl_dma_aggr_during_int = BNXT_NUM_CMPL_DMA_AGGR_DURING_INT;
+ coal->int_lat_tmr_max = BNXT_INT_LAT_TMR_MAX;
+ /* min timer set to 1/2 of interrupt timer */
+ coal->int_lat_tmr_min = BNXT_INT_LAT_TMR_MIN;
+ /* buf timer set to 1/4 of interrupt timer */
+ coal->cmpl_aggr_dma_tmr = BNXT_CMPL_AGGR_DMA_TMR;
+ coal->cmpl_aggr_dma_tmr_during_int = BNXT_CMPL_AGGR_DMA_TMR_DURING_INT;
+}
+
+int bnxt_alloc_hwrm_rx_ring(struct bnxt *bp, int queue_index)
+{
+ struct rte_pci_device *pci_dev = bp->pdev;
+ struct bnxt_rx_queue *rxq = bp->rx_queues[queue_index];
+ struct bnxt_cp_ring_info *cpr = rxq->cp_ring;
+ struct bnxt_ring *cp_ring = cpr->cp_ring_struct;
+ struct bnxt_rx_ring_info *rxr = rxq->rx_ring;
+ struct bnxt_ring *ring = rxr->rx_ring_struct;
+ unsigned int map_idx = queue_index + bp->rx_cp_nr_rings;
+ int rc = 0;
+
+ bp->grp_info[queue_index].fw_stats_ctx = cpr->hw_stats_ctx_id;
+
+ /* Rx cmpl */
+ rc = bnxt_hwrm_ring_alloc(bp, cp_ring,
+ HWRM_RING_ALLOC_INPUT_RING_TYPE_L2_CMPL,
+ queue_index, HWRM_NA_SIGNATURE,
+ HWRM_NA_SIGNATURE);
+ if (rc)
+ goto err_out;
+
+ cpr->cp_doorbell = (char *)pci_dev->mem_resource[2].addr +
+ queue_index * BNXT_DB_SIZE;
+ bp->grp_info[queue_index].cp_fw_ring_id = cp_ring->fw_ring_id;
+ B_CP_DIS_DB(cpr, cpr->cp_raw_cons);
+
+ if (!queue_index) {
+ /*
+ * In order to save completion resources, use the first
+ * completion ring from PF or VF as the default completion ring
+ * for async event and HWRM forward response handling.
+ */
+ bp->def_cp_ring = cpr;
+ rc = bnxt_hwrm_set_async_event_cr(bp);
+ if (rc)
+ goto err_out;
+ }
+ /* Rx ring */
+ rc = bnxt_hwrm_ring_alloc(bp, ring, HWRM_RING_ALLOC_INPUT_RING_TYPE_RX,
+ queue_index, cpr->hw_stats_ctx_id,
+ cp_ring->fw_ring_id);
+ if (rc)
+ goto err_out;
+
+ rxr->rx_prod = 0;
+ rxr->rx_doorbell = (char *)pci_dev->mem_resource[2].addr +
+ queue_index * BNXT_DB_SIZE;
+ bp->grp_info[queue_index].rx_fw_ring_id = ring->fw_ring_id;
+ B_RX_DB(rxr->rx_doorbell, rxr->rx_prod);
+
+ ring = rxr->ag_ring_struct;
+ /* Agg ring */
+ if (!ring)
+ PMD_DRV_LOG(ERR, "Alloc AGG Ring is NULL!\n");
+
+ rc = bnxt_hwrm_ring_alloc(bp, ring, HWRM_RING_ALLOC_INPUT_RING_TYPE_RX,
+ map_idx, HWRM_NA_SIGNATURE,
+ cp_ring->fw_ring_id);
+ if (rc)
+ goto err_out;
+
+ PMD_DRV_LOG(DEBUG, "Alloc AGG Done!\n");
+ rxr->ag_prod = 0;
+ rxr->ag_doorbell = (char *)pci_dev->mem_resource[2].addr +
+ map_idx * BNXT_DB_SIZE;
+ bp->grp_info[queue_index].ag_fw_ring_id = ring->fw_ring_id;
+ B_RX_DB(rxr->ag_doorbell, rxr->ag_prod);
+
+ rxq->rx_buf_use_size = BNXT_MAX_MTU + ETHER_HDR_LEN +
+ ETHER_CRC_LEN + (2 * VLAN_TAG_SIZE);
+
+ if (bp->eth_dev->data->rx_queue_state[queue_index] ==
+ RTE_ETH_QUEUE_STATE_STARTED) {
+ if (bnxt_init_one_rx_ring(rxq)) {
+ RTE_LOG(ERR, PMD,
+ "bnxt_init_one_rx_ring failed!\n");
+ bnxt_rx_queue_release_op(rxq);
+ rc = -ENOMEM;
+ goto err_out;
+ }
+ B_RX_DB(rxr->rx_doorbell, rxr->rx_prod);
+ B_RX_DB(rxr->ag_doorbell, rxr->ag_prod);
+ }
+ rxq->index = queue_index;
+ PMD_DRV_LOG(INFO,
+ "queue %d, rx_deferred_start %d, state %d!\n",
+ queue_index, rxq->rx_deferred_start,
+ bp->eth_dev->data->rx_queue_state[queue_index]);
+
+err_out:
+ return rc;
+}
/* ring_grp usage:
* [0] = default completion ring
* [1 -> +rx_cp_nr_rings] = rx_cp, rx rings
@@ -283,43 +375,61 @@ int bnxt_alloc_rings(struct bnxt *bp, uint16_t qidx,
*/
int bnxt_alloc_hwrm_rings(struct bnxt *bp)
{
- struct rte_pci_device *pci_dev = bp->pdev;
+ struct bnxt_coal coal;
unsigned int i;
int rc = 0;
+ bnxt_init_dflt_coal(&coal);
+
for (i = 0; i < bp->rx_cp_nr_rings; i++) {
struct bnxt_rx_queue *rxq = bp->rx_queues[i];
struct bnxt_cp_ring_info *cpr = rxq->cp_ring;
struct bnxt_ring *cp_ring = cpr->cp_ring_struct;
struct bnxt_rx_ring_info *rxr = rxq->rx_ring;
struct bnxt_ring *ring = rxr->rx_ring_struct;
- unsigned int idx = i + 1;
- unsigned int map_idx = idx + bp->rx_cp_nr_rings;
+ unsigned int map_idx = i + bp->rx_cp_nr_rings;
bp->grp_info[i].fw_stats_ctx = cpr->hw_stats_ctx_id;
/* Rx cmpl */
- rc = bnxt_hwrm_ring_alloc(bp, cp_ring,
- HWRM_RING_ALLOC_INPUT_RING_TYPE_L2_CMPL,
- idx, HWRM_NA_SIGNATURE,
- HWRM_NA_SIGNATURE);
+ rc = bnxt_hwrm_ring_alloc
+ (bp,
+ cp_ring,
+ HWRM_RING_ALLOC_INPUT_RING_TYPE_L2_CMPL,
+ i,
+ HWRM_NA_SIGNATURE,
+ HWRM_NA_SIGNATURE);
if (rc)
goto err_out;
- cpr->cp_doorbell = (char *)pci_dev->mem_resource[2].addr +
- idx * 0x80;
+ cpr->cp_doorbell = (char *)bp->doorbell_base + i * 0x80;
bp->grp_info[i].cp_fw_ring_id = cp_ring->fw_ring_id;
B_CP_DIS_DB(cpr, cpr->cp_raw_cons);
+ bnxt_hwrm_set_ring_coal(bp, &coal, cp_ring->fw_ring_id);
+
+ if (!i) {
+ /*
+ * In order to save completion resource, use the first
+ * completion ring from PF or VF as the default
+ * completion ring for async event & HWRM
+ * forward response handling.
+ */
+ bp->def_cp_ring = cpr;
+ rc = bnxt_hwrm_set_async_event_cr(bp);
+ if (rc)
+ goto err_out;
+ }
/* Rx ring */
- rc = bnxt_hwrm_ring_alloc(bp, ring,
- HWRM_RING_ALLOC_INPUT_RING_TYPE_RX,
- idx, cpr->hw_stats_ctx_id,
- cp_ring->fw_ring_id);
+ rc = bnxt_hwrm_ring_alloc(bp,
+ ring,
+ HWRM_RING_ALLOC_INPUT_RING_TYPE_RX,
+ i,
+ cpr->hw_stats_ctx_id,
+ cp_ring->fw_ring_id);
if (rc)
goto err_out;
rxr->rx_prod = 0;
- rxr->rx_doorbell = (char *)pci_dev->mem_resource[2].addr +
- idx * 0x80;
+ rxr->rx_doorbell = (char *)bp->doorbell_base + i * 0x80;
bp->grp_info[i].rx_fw_ring_id = ring->fw_ring_id;
B_RX_DB(rxr->rx_doorbell, rxr->rx_prod);
@@ -338,9 +448,7 @@ int bnxt_alloc_hwrm_rings(struct bnxt *bp)
goto err_out;
PMD_DRV_LOG(DEBUG, "Alloc AGG Done!\n");
rxr->ag_prod = 0;
- rxr->ag_doorbell =
- (char *)pci_dev->mem_resource[2].addr +
- map_idx * 0x80;
+ rxr->ag_doorbell = (char *)bp->doorbell_base + map_idx * 0x80;
bp->grp_info[i].ag_fw_ring_id = ring->fw_ring_id;
B_RX_DB(rxr->ag_doorbell, rxr->ag_prod);
@@ -353,7 +461,7 @@ int bnxt_alloc_hwrm_rings(struct bnxt *bp)
}
B_RX_DB(rxr->rx_doorbell, rxr->rx_prod);
B_RX_DB(rxr->ag_doorbell, rxr->ag_prod);
- rxq->index = idx;
+ rxq->index = i;
}
for (i = 0; i < bp->tx_cp_nr_rings; i++) {
@@ -362,7 +470,7 @@ int bnxt_alloc_hwrm_rings(struct bnxt *bp)
struct bnxt_ring *cp_ring = cpr->cp_ring_struct;
struct bnxt_tx_ring_info *txr = txq->tx_ring;
struct bnxt_ring *ring = txr->tx_ring_struct;
- unsigned int idx = i + 1 + bp->rx_cp_nr_rings;
+ unsigned int idx = i + bp->rx_cp_nr_rings;
/* Tx cmpl */
rc = bnxt_hwrm_ring_alloc(bp, cp_ring,
@@ -372,8 +480,7 @@ int bnxt_alloc_hwrm_rings(struct bnxt *bp)
if (rc)
goto err_out;
- cpr->cp_doorbell = (char *)pci_dev->mem_resource[2].addr +
- idx * 0x80;
+ cpr->cp_doorbell = (char *)bp->doorbell_base + idx * 0x80;
B_CP_DIS_DB(cpr, cpr->cp_raw_cons);
/* Tx ring */
@@ -384,9 +491,9 @@ int bnxt_alloc_hwrm_rings(struct bnxt *bp)
if (rc)
goto err_out;
- txr->tx_doorbell = (char *)pci_dev->mem_resource[2].addr +
- idx * 0x80;
+ txr->tx_doorbell = (char *)bp->doorbell_base + idx * 0x80;
txq->index = idx;
+ bnxt_hwrm_set_ring_coal(bp, &coal, cp_ring->fw_ring_id);
}
err_out: