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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: 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 2013-10-01 15:59:58 +05:30 committed by David S. Miller
parent 81b0265531
commit 30f3fe4549
1 changed files with 2 additions and 9 deletions
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11
drivers/net/ethernet/emulex/benet/be_main.c
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@ -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