Author: np
Date: Wed Sep 13 06:07:02 2017
New Revision: 323520
URL: https://svnweb.freebsd.org/changeset/base/323520
Log:
cxgbe(4): Ignore capabilities that depend on TOE when the firmware
reports TOE is not available.
MFC after: 1 week
Sponsored by: Chelsio Communications
Modified:
head/sys/dev/cxgbe/t4_main.c
Modified: head/sys/dev/cxgbe/t4_main.c
==============================================================================
--- head/sys/dev/cxgbe/t4_main.c Wed Sep 13 04:32:23 2017
(r323519)
+++ head/sys/dev/cxgbe/t4_main.c Wed Sep 13 06:07:02 2017
(r323520)
@@ -3576,6 +3576,18 @@ get_params__post_init(struct adapter *sc)
READ_CAPS(iscsicaps);
READ_CAPS(fcoecaps);
+ /*
+ * The firmware attempts memfree TOE configuration for -SO cards and
+ * will report toecaps=0 if it runs out of resources (this depends on
+ * the config file). It may not report 0 for other capabilities
+ * dependent on the TOE in this case. Set them to 0 here so that the
+ * driver doesn't bother tracking resources that will never be used.
+ */
+ if (sc->toecaps == 0) {
+ sc->iscsicaps = 0;
+ sc->rdmacaps = 0;
+ }
+
if (sc->niccaps & FW_CAPS_CONFIG_NIC_ETHOFLD) {
param[0] = FW_PARAM_PFVF(ETHOFLD_START);
param[1] = FW_PARAM_PFVF(ETHOFLD_END);
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