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Commit a5243dab authored by Vasundhara Volam's avatar Vasundhara Volam Committed by David S. Miller
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be2net: Create multiple TXQs on RSS capable multi-channel BE3-R interfaces 



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: default avatarVasundhara Volam <vasundhara.volam@emulex.com>
Signed-off-by: default avatarSathya Perla <sathya.perla@emulex.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 46ee9c14

drivers/net/ethernet/emulex/benet/be_main.c

+7 −3
Original line number Diff line number Diff line
@@ -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;