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authorSuresh Reddy <Suresh.Reddy@emulex.com>2014-09-02 09:56:57 +0530
committerDavid S. Miller <davem@davemloft.net>2014-09-02 12:46:00 -0700
commita28277dc65f4f7a58db899ab69acd8cf078b9039 (patch)
treed6607b00beef9aa8f24d90812b8aa9ea07d57d71 /drivers/net/ethernet
parenta4906ea0a5fe6dba89d3809f1e0e97b4d55ef4b7 (diff)
be2net: query max_tx_qs for BE3 super-nic profile from FW
In the BE3 super-nic profile, the max_tx_qs value can vary for each function. So the driver needs to query this value from FW instead of using the pre-defined constant BE3_MAX_TX_QS. Signed-off-by: Suresh Reddy <Suresh.Reddy@emulex.com> Signed-off-by: Sathya Perla <sathya.perla@emulex.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet')
-rw-r--r--drivers/net/ethernet/emulex/benet/be_main.c14
1 files changed, 12 insertions, 2 deletions
diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c
index 1b1fbbfcf3ad..5b26c4c9ab2b 100644
--- a/drivers/net/ethernet/emulex/benet/be_main.c
+++ b/drivers/net/ethernet/emulex/benet/be_main.c
@@ -3324,10 +3324,20 @@ static void BEx_get_resources(struct be_adapter *adapter,
*/
if (BE2_chip(adapter) || use_sriov || (adapter->port_num > 1) ||
!be_physfn(adapter) || (be_is_mc(adapter) &&
- !(adapter->function_caps & BE_FUNCTION_CAPS_RSS)))
+ !(adapter->function_caps & BE_FUNCTION_CAPS_RSS))) {
res->max_tx_qs = 1;
- else
+ } else if (adapter->function_caps & BE_FUNCTION_CAPS_SUPER_NIC) {
+ struct be_resources super_nic_res = {0};
+
+ /* On a SuperNIC profile, the driver needs to use the
+ * GET_PROFILE_CONFIG cmd to query the per-function TXQ limits
+ */
+ be_cmd_get_profile_config(adapter, &super_nic_res, 0);
+ /* Some old versions of BE3 FW don't report max_tx_qs value */
+ res->max_tx_qs = super_nic_res.max_tx_qs ? : BE3_MAX_TX_QS;
+ } else {
res->max_tx_qs = BE3_MAX_TX_QS;
+ }
if ((adapter->function_caps & BE_FUNCTION_CAPS_RSS) &&
!use_sriov && be_physfn(adapter))