[PATCH V2 9/9] bnxt_en: Pass NQ ID to the FW when allocating RX/RX AGG rings

Wei Huang
2024-05-31T21:41:17Z

From: Michael Chan <michael.chan@broadcom.com>

Newer firmware can use the NQ ring ID associated with each RX/RX AGG
ring to enable PCIe steering tag. Older firmware will just ignore the
information.

Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: Andy Gospodarek <andrew.gospodarek@broadcom.com>
Reviewed-by: Hongguang Gao <hongguang.gao@broadcom.com>
Reviewed-by: Ajit Khaparde <ajit.khaparde@broadcom.com>
---
drivers/net/ethernet/broadcom/bnxt/bnxt.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
index 2207dac8ce18..308b4747d041 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
@@ -6699,10 +6699,12 @@ static int hwrm_ring_alloc_send_msg(struct bnxt *bp,

/* Association of rx ring with stats context */
grp_info = &bp->grp_info[ring->grp_idx];
+ req->nq_ring_id = cpu_to_le16(grp_info->cp_fw_ring_id);
req->rx_buf_size = cpu_to_le16(bp->rx_buf_use_size);
req->stat_ctx_id = cpu_to_le32(grp_info->fw_stats_ctx);
req->enables |= cpu_to_le32(
- RING_ALLOC_REQ_ENABLES_RX_BUF_SIZE_VALID);
+ RING_ALLOC_REQ_ENABLES_RX_BUF_SIZE_VALID |
+ RING_ALLOC_REQ_ENABLES_NQ_RING_ID_VALID);
if (NET_IP_ALIGN == 2)
flags = RING_ALLOC_REQ_FLAGS_RX_SOP_PAD;
req->flags = cpu_to_le16(flags);
@@ -6714,11 +6716,13 @@ static int hwrm_ring_alloc_send_msg(struct bnxt *bp,
/* Association of agg ring with rx ring */
grp_info = &bp->grp_info[ring->grp_idx];
req->rx_ring_id = cpu_to_le16(grp_info->rx_fw_ring_id);
+ req->nq_ring_id = cpu_to_le16(grp_info->cp_fw_ring_id);
req->rx_buf_size = cpu_to_le16(BNXT_RX_PAGE_SIZE);
req->stat_ctx_id = cpu_to_le32(grp_info->fw_stats_ctx);
req->enables |= cpu_to_le32(
RING_ALLOC_REQ_ENABLES_RX_RING_ID_VALID |
- RING_ALLOC_REQ_ENABLES_RX_BUF_SIZE_VALID);
+ RING_ALLOC_REQ_ENABLES_RX_BUF_SIZE_VALID |
+ RING_ALLOC_REQ_ENABLES_NQ_RING_ID_VALID);
} else {
req->ring_type = RING_ALLOC_REQ_RING_TYPE_RX;
}
--
2.44.0