bnxt_en: Refactor bnxt_hwrm_set_coal().

Orabug: 23221795

Add a function to set all the coalescing parameters.  The function can
be used later to set both rx and tx coalescing parameters.

v2: Fixed function parameters formatting requested by DaveM.

Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
(cherry picked from commit bb053f52a54d66a6057c2220458349f7d39ce0d2)
Signed-off-by: Brian Maly <brian.maly@oracle.com>

diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
index 754a4f393aae8a22a0100b3d56ca0a3ae3eae04d..313404c6724fbfd50e1385ce7512e1672d2dd38a 100644 (file)
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
@@ -3539,6 +3539,21 @@ static void bnxt_hwrm_ring_free(struct bnxt *bp, bool close_path)
        }
 }
 
+static void bnxt_hwrm_set_coal_params(struct bnxt *bp, u32 max_bufs,
+       u32 buf_tmrs, u16 flags,
+       struct hwrm_ring_cmpl_ring_cfg_aggint_params_input *req)
+{
+       req->flags = cpu_to_le16(flags);
+       req->num_cmpl_dma_aggr = cpu_to_le16((u16)max_bufs);
+       req->num_cmpl_dma_aggr_during_int = cpu_to_le16(max_bufs >> 16);
+       req->cmpl_aggr_dma_tmr = cpu_to_le16((u16)buf_tmrs);
+       req->cmpl_aggr_dma_tmr_during_int = cpu_to_le16(buf_tmrs >> 16);
+       /* Minimum time between 2 interrupts set to buf_tmr x 2 */
+       req->int_lat_tmr_min = cpu_to_le16((u16)buf_tmrs * 2);
+       req->int_lat_tmr_max = cpu_to_le16((u16)buf_tmrs * 4);
+       req->num_cmpl_aggr_int = cpu_to_le16((u16)max_bufs * 4);
+}
+
 int bnxt_hwrm_set_coal(struct bnxt *bp)
 {
        int i, rc = 0;
@@ -3571,15 +3586,8 @@ int bnxt_hwrm_set_coal(struct bnxt *bp)
        if (bp->rx_coal_ticks < 25)
                flags |= RING_CMPL_RING_CFG_AGGINT_PARAMS_REQ_FLAGS_RING_IDLE;
 
-       req.flags = cpu_to_le16(flags);
-       req.num_cmpl_dma_aggr = cpu_to_le16(max_buf);
-       req.num_cmpl_dma_aggr_during_int = cpu_to_le16(max_buf_irq);
-       req.cmpl_aggr_dma_tmr = cpu_to_le16(buf_tmr);
-       req.cmpl_aggr_dma_tmr_during_int = cpu_to_le16(buf_tmr_irq);
-       /* Minimum time between 2 interrupts set to buf_tmr x 2 */
-       req.int_lat_tmr_min = cpu_to_le16(buf_tmr * 2);
-       req.int_lat_tmr_max = cpu_to_le16(buf_tmr * 4);
-       req.num_cmpl_aggr_int = cpu_to_le16(max_buf * 4);
+       bnxt_hwrm_set_coal_params(bp, max_buf_irq << 16 | max_buf,
+                                 buf_tmr_irq << 16 | buf_tmr, flags, &req);
 
        mutex_lock(&bp->hwrm_cmd_lock);
        for (i = 0; i < bp->cp_nr_rings; i++) {