[dpdk-dev] [PATCH v2 3/7] net/bnxt: fix RSS hash configuration
Ajit Khaparde
ajit.khaparde at broadcom.com
Tue May 22 20:13:43 CEST 2018
While configuring RSS, the FW needs to know the rss_hash_mode that needs
to be initialized.
Set hash mode to HWRM_VNIC_RSS_CFG_INPUT_HASH_MODE_FLAGS_DEFAULT
to allow the FW to use the global mode already configured in the device.
Fixes: bcd4bcc4426f ("net/bnxt: configure RSS")
Cc: stable at dpdk.org
Signed-off-by: Ajit Khaparde <ajit.khaparde at broadcom.com>
--
v1->v2: update commit log and message
---
drivers/net/bnxt/bnxt_hwrm.c | 1 +
drivers/net/bnxt/bnxt_vnic.c | 2 ++
drivers/net/bnxt/bnxt_vnic.h | 1 +
3 files changed, 4 insertions(+)
diff --git a/drivers/net/bnxt/bnxt_hwrm.c b/drivers/net/bnxt/bnxt_hwrm.c
index 28aa7476d..b285761eb 100644
--- a/drivers/net/bnxt/bnxt_hwrm.c
+++ b/drivers/net/bnxt/bnxt_hwrm.c
@@ -1462,6 +1462,7 @@ int bnxt_hwrm_vnic_rss_cfg(struct bnxt *bp,
HWRM_PREP(req, VNIC_RSS_CFG);
req.hash_type = rte_cpu_to_le_32(vnic->hash_type);
+ req.hash_mode_flags = vnic->hash_mode;
req.ring_grp_tbl_addr =
rte_cpu_to_le_64(vnic->rss_table_dma_addr);
diff --git a/drivers/net/bnxt/bnxt_vnic.c b/drivers/net/bnxt/bnxt_vnic.c
index 733a5a92c..19d06af55 100644
--- a/drivers/net/bnxt/bnxt_vnic.c
+++ b/drivers/net/bnxt/bnxt_vnic.c
@@ -49,6 +49,8 @@ void bnxt_init_vnics(struct bnxt *bp)
vnic->rss_rule = (uint16_t)HWRM_NA_SIGNATURE;
vnic->cos_rule = (uint16_t)HWRM_NA_SIGNATURE;
vnic->lb_rule = (uint16_t)HWRM_NA_SIGNATURE;
+ vnic->hash_mode =
+ HWRM_VNIC_RSS_CFG_INPUT_HASH_MODE_FLAGS_DEFAULT;
for (j = 0; j < MAX_QUEUES_PER_VNIC; j++)
vnic->fw_grp_ids[j] = (uint16_t)HWRM_NA_SIGNATURE;
diff --git a/drivers/net/bnxt/bnxt_vnic.h b/drivers/net/bnxt/bnxt_vnic.h
index c60bb543c..c521d7e5a 100644
--- a/drivers/net/bnxt/bnxt_vnic.h
+++ b/drivers/net/bnxt/bnxt_vnic.h
@@ -25,6 +25,7 @@ struct bnxt_vnic_info {
uint16_t dflt_ring_grp;
uint16_t mru;
uint16_t hash_type;
+ uint8_t hash_mode;
rte_iova_t rss_table_dma_addr;
uint16_t *rss_table;
rte_iova_t rss_hash_key_dma_addr;
--
2.15.1 (Apple Git-101)
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