net/i40e: fix shifts of signed values

[dpdk.git] / drivers / net / sfc / sfc.c

diff --git a/drivers/net/sfc/sfc.c b/drivers/net/sfc/sfc.c
index fd67226..6690053 100644 (file)
--- a/drivers/net/sfc/sfc.c
+++ b/drivers/net/sfc/sfc.c
@@ -21,6 +21,7 @@
 #include "sfc_rx.h"
 #include "sfc_tx.h"
 #include "sfc_kvargs.h"
+#include "sfc_tweak.h"
 
 
 int
@@ -899,6 +900,32 @@ sfc_fw_variant2str(efx_fw_variant_t efv)
        }
 }
 
+static int
+sfc_kvarg_rxd_wait_timeout_ns(struct sfc_adapter *sa)
+{
+       int rc;
+       long value;
+
+       value = SFC_RXD_WAIT_TIMEOUT_NS_DEF;
+
+       rc = sfc_kvargs_process(sa, SFC_KVARG_RXD_WAIT_TIMEOUT_NS,
+                               sfc_kvarg_long_handler, &value);
+       if (rc != 0)
+               return rc;
+
+       if (value < 0 ||
+           (unsigned long)value > EFX_RXQ_ES_SUPER_BUFFER_HOL_BLOCK_MAX) {
+               sfc_err(sa, "wrong '" SFC_KVARG_RXD_WAIT_TIMEOUT_NS "' "
+                           "was set (%ld);", value);
+               sfc_err(sa, "it must not be less than 0 or greater than %u",
+                           EFX_RXQ_ES_SUPER_BUFFER_HOL_BLOCK_MAX);
+               return EINVAL;
+       }
+
+       sa->rxd_wait_timeout_ns = value;
+       return 0;
+}
+
 static int
 sfc_nic_probe(struct sfc_adapter *sa)
 {
@@ -916,6 +943,10 @@ sfc_nic_probe(struct sfc_adapter *sa)
                return rc;
        }
 
+       rc = sfc_kvarg_rxd_wait_timeout_ns(sa);
+       if (rc != 0)
+               return rc;
+
        rc = efx_nic_probe(enp, preferred_efv);
        if (rc == EACCES) {
                /* Unprivileged functions cannot set FW variant */