svn commit: r296640 - head/sys/dev/cxgbe

[Navdeep Parhar]

Author: np
Date: Fri Mar 11 01:54:43 2016
New Revision: 296640
URL: https://svnweb.freebsd.org/changeset/base/296640

Log:
  cxgbe(4): Add a sysctl for the event capture mask of the TP block's
  logic analyzer.
  
  dev.t5nex.<n>.misc.tp_la_mask
  dev.t4nex.<n>.misc.tp_la_mask

Modified:
  head/sys/dev/cxgbe/t4_main.c

Modified: head/sys/dev/cxgbe/t4_main.c
==============================================================================
--- head/sys/dev/cxgbe/t4_main.c	Fri Mar 11 01:41:09 2016	(r296639)
+++ head/sys/dev/cxgbe/t4_main.c	Fri Mar 11 01:54:43 2016	(r296640)
@@ -476,6 +476,7 @@ static int sysctl_rdma_stats(SYSCTL_HAND
 static int sysctl_tcp_stats(SYSCTL_HANDLER_ARGS);
 static int sysctl_tids(SYSCTL_HANDLER_ARGS);
 static int sysctl_tp_err_stats(SYSCTL_HANDLER_ARGS);
+static int sysctl_tp_la_mask(SYSCTL_HANDLER_ARGS);
 static int sysctl_tp_la(SYSCTL_HANDLER_ARGS);
 static int sysctl_tx_rate(SYSCTL_HANDLER_ARGS);
 static int sysctl_ulprx_la(SYSCTL_HANDLER_ARGS);
@@ -4808,6 +4809,10 @@ t4_sysctls(struct adapter *sc)
 	    CTLTYPE_STRING | CTLFLAG_RD, sc, 0,
 	    sysctl_tp_err_stats, "A", "TP error statistics");
 
+	SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "tp_la_mask",
+	    CTLTYPE_INT | CTLFLAG_RW, sc, 0, sysctl_tp_la_mask, "I",
+	    "TP logic analyzer event capture mask");
+
 	SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "tp_la",
 	    CTLTYPE_STRING | CTLFLAG_RD, sc, 0,
 	    sysctl_tp_la, "A", "TP logic analyzer");
@@ -6994,6 +6999,26 @@ sysctl_tp_err_stats(SYSCTL_HANDLER_ARGS)
 	return (rc);
 }
 
+static int
+sysctl_tp_la_mask(SYSCTL_HANDLER_ARGS)
+{
+	struct adapter *sc = arg1;
+	struct tp_params *tpp = &sc->params.tp;
+	u_int mask;
+	int rc;
+
+	mask = tpp->la_mask >> 16;
+	rc = sysctl_handle_int(oidp, &mask, 0, req);
+	if (rc != 0 || req->newptr == NULL)
+		return (rc);
+	if (mask > 0xffff)
+		return (EINVAL);
+	tpp->la_mask = mask << 16;
+	t4_set_reg_field(sc, A_TP_DBG_LA_CONFIG, 0xffff0000U, tpp->la_mask);
+
+	return (0);
+}
+
 struct field_desc {
 	const char *name;
 	u_int start;