net/ice/base: fix rate limit burst size calculation

[dpdk.git] / drivers / net / ice / base / ice_sched.c

diff --git a/drivers/net/ice/base/ice_sched.c b/drivers/net/ice/base/ice_sched.c
index 0c1c18b..a72e729 100644 (file)
--- a/drivers/net/ice/base/ice_sched.c
+++ b/drivers/net/ice/base/ice_sched.c
@@ -5060,16 +5060,15 @@ enum ice_status ice_cfg_rl_burst_size(struct ice_hw *hw, u32 bytes)
        if (bytes < ICE_MIN_BURST_SIZE_ALLOWED ||
            bytes > ICE_MAX_BURST_SIZE_ALLOWED)
                return ICE_ERR_PARAM;
-       if (bytes <= ICE_MAX_BURST_SIZE_BYTE_GRANULARITY) {
-               /* byte granularity case */
+       if (ice_round_to_num(bytes, 64) <=
+           ICE_MAX_BURST_SIZE_64_BYTE_GRANULARITY) {
+               /* 64 byte granularity case */
                /* Disable MSB granularity bit */
-               burst_size_to_prog = ICE_BYTE_GRANULARITY;
-               /* round number to nearest 256 granularity */
-               bytes = ice_round_to_num(bytes, 256);
-               /* check rounding doesn't go beyond allowed */
-               if (bytes > ICE_MAX_BURST_SIZE_BYTE_GRANULARITY)
-                       bytes = ICE_MAX_BURST_SIZE_BYTE_GRANULARITY;
-               burst_size_to_prog |= (u16)bytes;
+               burst_size_to_prog = ICE_64_BYTE_GRANULARITY;
+               /* round number to nearest 64 byte granularity */
+               bytes = ice_round_to_num(bytes, 64);
+               /* The value is in 64 byte chunks */
+               burst_size_to_prog |= (u16)(bytes / 64);
        } else {
                /* k bytes granularity case */
                /* Enable MSB granularity bit */