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bnx2x: Fix ETS bandwidth 

ETS bandwidth of 0% is not allowed by driver, so provide alternative HW configuration for this case.

Signed-off-by: Yaniv Rosner <yanivr@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Yaniv Rosner 2011-09-07 00:47:49 +00:00 committed by David S. Miller
parent 31dda0ae93
commit c482e6c064
1 changed files with 6 additions and 12 deletions
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18
drivers/net/bnx2x/bnx2x_link.c
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@ -778,9 +778,9 @@ static int bnx2x_ets_e3b0_set_cos_bw(struct bnx2x *bp,
{
u32 nig_reg_adress_crd_weight = 0;
u32 pbf_reg_adress_crd_weight = 0;
/* Calculate and set BW for this COS*/
const u32 cos_bw_nig = (bw * min_w_val_nig) / total_bw;
const u32 cos_bw_pbf = (bw * min_w_val_pbf) / total_bw;
/* Calculate and set BW for this COS - use 1 instead of 0 for BW */
const u32 cos_bw_nig = ((bw ? bw : 1) * min_w_val_nig) / total_bw;
const u32 cos_bw_pbf = ((bw ? bw : 1) * min_w_val_pbf) / total_bw;
switch (cos_entry) {
case 0:
@ -852,18 +852,12 @@ static int bnx2x_ets_e3b0_get_total_bw(
/* Calculate total BW requested */
for (cos_idx = 0; cos_idx < ets_params->num_of_cos; cos_idx++) {
if (bnx2x_cos_state_bw == ets_params->cos[cos_idx].state) {
if (0 == ets_params->cos[cos_idx].params.bw_params.bw) {
DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config BW"
"was set to 0\n");
return -EINVAL;
*total_bw +=
ets_params->cos[cos_idx].params.bw_params.bw;
}
*total_bw +=
ets_params->cos[cos_idx].params.bw_params.bw;
}
}
/*Check taotl BW is valid */
/* Check total BW is valid */
if ((100 != *total_bw) || (0 == *total_bw)) {
if (0 == *total_bw) {
DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config toatl BW"