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>
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@ -778,9 +778,9 @@ static int bnx2x_ets_e3b0_set_cos_bw(struct bnx2x *bp,
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{
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{
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u32 nig_reg_adress_crd_weight = 0;
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u32 nig_reg_adress_crd_weight = 0;
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u32 pbf_reg_adress_crd_weight = 0;
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u32 pbf_reg_adress_crd_weight = 0;
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/* Calculate and set BW for this COS*/
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/* Calculate and set BW for this COS - use 1 instead of 0 for BW */
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const u32 cos_bw_nig = (bw * min_w_val_nig) / total_bw;
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const u32 cos_bw_nig = ((bw ? bw : 1) * min_w_val_nig) / total_bw;
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const u32 cos_bw_pbf = (bw * min_w_val_pbf) / total_bw;
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const u32 cos_bw_pbf = ((bw ? bw : 1) * min_w_val_pbf) / total_bw;
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switch (cos_entry) {
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switch (cos_entry) {
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case 0:
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case 0:
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@ -852,18 +852,12 @@ static int bnx2x_ets_e3b0_get_total_bw(
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/* Calculate total BW requested */
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/* Calculate total BW requested */
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for (cos_idx = 0; cos_idx < ets_params->num_of_cos; cos_idx++) {
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for (cos_idx = 0; cos_idx < ets_params->num_of_cos; cos_idx++) {
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if (bnx2x_cos_state_bw == ets_params->cos[cos_idx].state) {
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if (bnx2x_cos_state_bw == ets_params->cos[cos_idx].state) {
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*total_bw +=
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if (0 == ets_params->cos[cos_idx].params.bw_params.bw) {
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ets_params->cos[cos_idx].params.bw_params.bw;
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DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config BW"
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"was set to 0\n");
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return -EINVAL;
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}
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}
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*total_bw +=
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ets_params->cos[cos_idx].params.bw_params.bw;
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}
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}
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}
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/*Check taotl BW is valid */
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/* Check total BW is valid */
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if ((100 != *total_bw) || (0 == *total_bw)) {
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if ((100 != *total_bw) || (0 == *total_bw)) {
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if (0 == *total_bw) {
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if (0 == *total_bw) {
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DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config toatl BW"
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DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config toatl BW"
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