Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 30f3fe45 authored by Vasundhara Volam's avatar Vasundhara Volam Committed by David S. Miller
Browse files

be2net: Create single TXQ on BE3-R 1G ports 



On BE3-R 1G ports (identified by port numbers 2 and 3) the FW cannot properly
support multiple TXQs. This also makes the number of RX and TX queues symmetric
as only a single RXQ is available on 1G ports.

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 81b02655

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

+2 −9
Original line number Diff line number Diff line
@@ -2967,8 +2967,9 @@ static void BEx_get_resources(struct be_adapter *adapter, 
		res->max_vlans = BE_NUM_VLANS_SUPPORTED;

	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))

	    !be_physfn(adapter) || (adapter->port_num > 1))

		res->max_tx_qs = 1;

	else

		res->max_tx_qs = BE3_MAX_TX_QS;
@@ -3010,14 +3011,6 @@ static int be_get_resources(struct be_adapter *adapter) 
		adapter->res = res;

	}



	/* For BE3 only check if FW suggests a different max-txqs value */

	if (BE3_chip(adapter)) {

		status = be_cmd_get_profile_config(adapter, &res, 0);

		if (!status && res.max_tx_qs)

			adapter->res.max_tx_qs =

				min(adapter->res.max_tx_qs, res.max_tx_qs);

	}



	/* For Lancer, SH etc read per-function resource limits from FW.

	 * GET_FUNC_CONFIG returns per function guaranteed limits.

	 * GET_PROFILE_CONFIG returns PCI-E related limits PF-pool limits