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be2net: Fix non utilization of RX queues

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When non power of two MSIX vectors are given to driver, some RX queues
are not utilized. Program RSS table in such a way that all queues
are utilized.

Signed-off-by: Padmanabh Ratnakar <padmanabh.ratnakar@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Padmanabh Ratnakar
2011-11-25 05:48:53 +00:00
committed by David S. Miller
parent 65f8584e25
commit e9008ee99c
1 changed files with 10 additions and 6 deletions
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16
drivers/net/ethernet/emulex/benet/be_main.c
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@@ -2312,8 +2312,8 @@ static int be_close(struct net_device *netdev)
static int be_rx_queues_setup(struct be_adapter *adapter) static int be_rx_queues_setup(struct be_adapter *adapter)
{ {
struct be_rx_obj *rxo; struct be_rx_obj *rxo;
int rc, i; int rc, i, j;
u8 rsstable[MAX_RSS_QS]; u8 rsstable[128];
for_all_rx_queues(adapter, rxo, i) { for_all_rx_queues(adapter, rxo, i) {
rc = be_cmd_rxq_create(adapter, &rxo->q, rxo->cq.id, rc = be_cmd_rxq_create(adapter, &rxo->q, rxo->cq.id,
@@ -2325,11 +2325,15 @@ static int be_rx_queues_setup(struct be_adapter *adapter)
} }
if (be_multi_rxq(adapter)) { if (be_multi_rxq(adapter)) {
for_all_rss_queues(adapter, rxo, i) for (j = 0; j < 128; j += adapter->num_rx_qs - 1) {
rsstable[i] = rxo->rss_id; for_all_rss_queues(adapter, rxo, i) {
if ((j + i) >= 128)
break;
rsstable[j + i] = rxo->rss_id;
}
}
rc = be_cmd_rss_config(adapter, rsstable, 128);
rc = be_cmd_rss_config(adapter, rsstable,
adapter->num_rx_qs - 1);
if (rc) if (rc)
return rc; return rc;
} }