Merge remote-tracking branches 'spi/fix/atmel', 'spi/fix/imx', 'spi/fix/omap2-mcspi...

[firefly-linux-kernel-4.4.55.git] / drivers / net / ethernet / emulex / benet / be_main.c

diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c
index 7bf51a1a0a77e12a4812662767dd21767813dc1b..eb48a977f8daabe78d6d5b6a94f6607bf19287b8 100644 (file)
--- a/drivers/net/ethernet/emulex/benet/be_main.c
+++ b/drivers/net/ethernet/emulex/benet/be_main.c
@@ -1123,11 +1123,12 @@ static struct sk_buff *be_xmit_workarounds(struct be_adapter *adapter,
                                           struct sk_buff *skb,
                                           struct be_wrb_params *wrb_params)
 {
-       /* Lancer, SH-R ASICs have a bug wherein Packets that are 32 bytes or
-        * less may cause a transmit stall on that port. So the work-around is
-        * to pad short packets (<= 32 bytes) to a 36-byte length.
+       /* Lancer, SH and BE3 in SRIOV mode have a bug wherein
+        * packets that are 32b or less may cause a transmit stall
+        * on that port. The workaround is to pad such packets
+        * (len <= 32 bytes) to a minimum length of 36b.
         */
-       if (unlikely(!BEx_chip(adapter) && skb->len <= 32)) {
+       if (skb->len <= 32) {
                if (skb_put_padto(skb, 36))
                        return NULL;
        }
@@ -4205,10 +4206,6 @@ static int be_get_config(struct be_adapter *adapter)
        int status, level;
        u16 profile_id;
 
-       status = be_cmd_get_cntl_attributes(adapter);
-       if (status)
-               return status;
-
        status = be_cmd_query_fw_cfg(adapter);
        if (status)
                return status;
@@ -4407,6 +4404,11 @@ static int be_setup(struct be_adapter *adapter)
        if (!lancer_chip(adapter))
                be_cmd_req_native_mode(adapter);
 
+       /* Need to invoke this cmd first to get the PCI Function Number */
+       status = be_cmd_get_cntl_attributes(adapter);
+       if (status)
+               return status;
+
        if (!BE2_chip(adapter) && be_physfn(adapter))
                be_alloc_sriov_res(adapter);
 
@@ -4999,7 +5001,15 @@ static bool be_check_ufi_compatibility(struct be_adapter *adapter,
                return false;
        }
 
-       return (fhdr->asic_type_rev >= adapter->asic_rev);
+       /* In BE3 FW images the "asic_type_rev" field doesn't track the
+        * asic_rev of the chips it is compatible with.
+        * When asic_type_rev is 0 the image is compatible only with
+        * pre-BE3-R chips (asic_rev < 0x10)
+        */
+       if (BEx_chip(adapter) && fhdr->asic_type_rev == 0)
+               return adapter->asic_rev < 0x10;
+       else
+               return (fhdr->asic_type_rev >= adapter->asic_rev);
 }
 
 static int be_fw_download(struct be_adapter *adapter, const struct firmware* fw)