Skip site navigation (1)Skip section navigation (2)
Date:      Thu, 11 Apr 2013 21:36:01 +0000 (UTC)
From:      Navdeep Parhar <np@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org
Subject:   svn commit: r249385 - head/sys/dev/cxgbe/tom
Message-ID:  <201304112136.r3BLa1wB024031@svn.freebsd.org>

next in thread | raw e-mail | index | archive | help
Author: np
Date: Thu Apr 11 21:36:01 2013
New Revision: 249385
URL: http://svnweb.freebsd.org/changeset/base/249385

Log:
  cxgbe/tom: Slight simplification of code that calculates options2.
  
  MFC after:	3 days

Modified:
  head/sys/dev/cxgbe/tom/t4_connect.c
  head/sys/dev/cxgbe/tom/t4_listen.c

Modified: head/sys/dev/cxgbe/tom/t4_connect.c
==============================================================================
--- head/sys/dev/cxgbe/tom/t4_connect.c	Thu Apr 11 21:18:04 2013	(r249384)
+++ head/sys/dev/cxgbe/tom/t4_connect.c	Thu Apr 11 21:36:01 2013	(r249385)
@@ -226,7 +226,10 @@ calc_opt2a(struct socket *so, struct toe
 	struct tcpcb *tp = so_sototcpcb(so);
 	struct port_info *pi = toep->port;
 	struct adapter *sc = pi->adapter;
-	uint32_t opt2 = 0;
+	uint32_t opt2;
+
+	opt2 = V_TX_QUEUE(sc->params.tp.tx_modq[pi->tx_chan]) |
+	    F_RSS_QUEUE_VALID | V_RSS_QUEUE(toep->ofld_rxq->iq.abs_id);
 
 	if (tp->t_flags & TF_SACK_PERMIT)
 		opt2 |= F_SACK_EN;
@@ -240,12 +243,12 @@ calc_opt2a(struct socket *so, struct toe
 	if (V_tcp_do_ecn)
 		opt2 |= F_CCTRL_ECN;
 
-	opt2 |= V_TX_QUEUE(sc->params.tp.tx_modq[pi->tx_chan]);
-	opt2 |= F_RSS_QUEUE_VALID | V_RSS_QUEUE(toep->ofld_rxq->iq.abs_id);
+	/* RX_COALESCE is always a valid value (M_RX_COALESCE). */
 	if (is_t4(sc))
-		opt2 |= F_RX_COALESCE_VALID | V_RX_COALESCE(M_RX_COALESCE);
+		opt2 |= F_RX_COALESCE_VALID;
 	else
-		opt2 |= F_T5_OPT_2_VALID | V_RX_COALESCE(M_RX_COALESCE);
+		opt2 |= F_T5_OPT_2_VALID;
+	opt2 |= V_RX_COALESCE(M_RX_COALESCE);
 
 #ifdef USE_DDP_RX_FLOW_CONTROL
 	if (toep->ulp_mode == ULP_MODE_TCPDDP)

Modified: head/sys/dev/cxgbe/tom/t4_listen.c
==============================================================================
--- head/sys/dev/cxgbe/tom/t4_listen.c	Thu Apr 11 21:18:04 2013	(r249384)
+++ head/sys/dev/cxgbe/tom/t4_listen.c	Thu Apr 11 21:36:01 2013	(r249385)
@@ -990,8 +990,11 @@ static uint32_t
 calc_opt2p(struct adapter *sc, struct port_info *pi, int rxqid,
     const struct tcp_options *tcpopt, struct tcphdr *th, int ulp_mode)
 {
-	uint32_t opt2 = 0;
 	struct sge_ofld_rxq *ofld_rxq = &sc->sge.ofld_rxq[rxqid];
+	uint32_t opt2;
+
+	opt2 = V_TX_QUEUE(sc->params.tp.tx_modq[pi->tx_chan]) |
+	    F_RSS_QUEUE_VALID | V_RSS_QUEUE(ofld_rxq->iq.abs_id);
 
 	if (V_tcp_do_rfc1323) {
 		if (tcpopt->tstamp)
@@ -1005,12 +1008,12 @@ calc_opt2p(struct adapter *sc, struct po
 	if (V_tcp_do_ecn && th->th_flags & (TH_ECE | TH_CWR))
 		opt2 |= F_CCTRL_ECN;
 
-	opt2 |= V_TX_QUEUE(sc->params.tp.tx_modq[pi->tx_chan]);
-	opt2 |= F_RSS_QUEUE_VALID | V_RSS_QUEUE(ofld_rxq->iq.abs_id);
+	/* RX_COALESCE is always a valid value (0 or M_RX_COALESCE). */
 	if (is_t4(sc))
-		opt2 |= F_RX_COALESCE_VALID | V_RX_COALESCE(M_RX_COALESCE);
+		opt2 |= F_RX_COALESCE_VALID;
 	else
-		opt2 |= F_T5_OPT_2_VALID | V_RX_COALESCE(M_RX_COALESCE);
+		opt2 |= F_T5_OPT_2_VALID;
+	opt2 |= V_RX_COALESCE(M_RX_COALESCE);
 
 #ifdef USE_DDP_RX_FLOW_CONTROL
 	if (ulp_mode == ULP_MODE_TCPDDP)



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?201304112136.r3BLa1wB024031>