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authorPadmanabh Ratnakar <padmanabh.ratnakar@emulex.com>2011-11-25 05:48:53 +0000
committerDavid S. Miller <davem@davemloft.net>2011-11-26 14:52:29 -0500
commite9008ee99c77207b2f6aee67e5f849b1e1400a11 (patch)
tree6e9d0859a5322ddb2a139f19c2b1951b17f13c1a /drivers/net/ethernet/emulex
parent65f8584e253f4676c8b39e976a10e918ec984b7c (diff)
downloadblackbird-op-linux-e9008ee99c77207b2f6aee67e5f849b1e1400a11.tar.gz
blackbird-op-linux-e9008ee99c77207b2f6aee67e5f849b1e1400a11.zip
be2net: Fix non utilization of RX queues
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>
Diffstat (limited to 'drivers/net/ethernet/emulex')
-rw-r--r--drivers/net/ethernet/emulex/benet/be_main.c16
1 files changed, 10 insertions, 6 deletions
diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c
index 66429ea60bb2..7236280c1af0 100644
--- a/drivers/net/ethernet/emulex/benet/be_main.c
+++ b/drivers/net/ethernet/emulex/benet/be_main.c
@@ -2312,8 +2312,8 @@ static int be_close(struct net_device *netdev)
static int be_rx_queues_setup(struct be_adapter *adapter)
{
struct be_rx_obj *rxo;
- int rc, i;
- u8 rsstable[MAX_RSS_QS];
+ int rc, i, j;
+ u8 rsstable[128];
for_all_rx_queues(adapter, rxo, i) {
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)) {
- for_all_rss_queues(adapter, rxo, i)
- rsstable[i] = rxo->rss_id;
+ for (j = 0; j < 128; j += adapter->num_rx_qs - 1) {
+ 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)
return rc;
}
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