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be2net: Create multiple TXQs on RSS capable multi-channel BE3-R interfaces

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Currently the driver creates only a single TXQ on any BE3-R multi-channel
interface.
This patch changes this and creates multiple TXQs on RSS-capable multi-channel
BE3-R interfaces. This change helps improve the TX pps performance on the
affected interface.

Signed-off-by: Vasundhara Volam <vasundhara.volam@emulex.com>
Signed-off-by: Sathya Perla <sathya.perla@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Vasundhara Volam 2014-03-11 18:53:07 +05:30 committed by David S. Miller
parent 46ee9c1432
commit a5243dabb9
1 changed files with 7 additions and 3 deletions
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10
drivers/net/ethernet/emulex/benet/be_main.c
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@ -3209,9 +3209,13 @@ static void BEx_get_resources(struct be_adapter *adapter,
res->max_mcast_mac = BE_MAX_MC;
/* For BE3 1Gb ports, F/W does not properly support multiple TXQs */
if (BE2_chip(adapter) || use_sriov || be_is_mc(adapter) ||
!be_physfn(adapter) || (adapter->port_num > 1))
/* 1) For BE3 1Gb ports, FW does not support multiple TXQs
* 2) Create multiple TX rings on a BE3-R multi-channel interface
* *only* if it is RSS-capable.
*/
if (BE2_chip(adapter) || use_sriov || (adapter->port_num > 1) ||
!be_physfn(adapter) || (be_is_mc(adapter) &&
!(adapter->function_caps & BE_FUNCTION_CAPS_RSS)))
res->max_tx_qs = 1;
else
res->max_tx_qs = BE3_MAX_TX_QS;