netdev - [PATCH net-next] cxgb4: increase max tx rate limit to 100 Gbps

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Message-Id: <1520580652-5492-1-git-send-email-ganeshgr@chelsio.com>
Date:   Fri,  9 Mar 2018 13:00:52 +0530
From:   Ganesh Goudar <ganeshgr@...lsio.com>
To:     netdev@...r.kernel.org, davem@...emloft.net
Cc:     nirranjan@...lsio.com, indranil@...lsio.com, venkatesh@...lsio.com,
        Ganesh Goudar <ganeshgr@...lsio.com>
Subject: [PATCH net-next] cxgb4: increase max tx rate limit to 100 Gbps

T6 cards can support up to 100 G speeds. So, increase
max programmable tx rate limit to 100 Gbps.

Signed-off-by: Ganesh Goudar <ganeshgr@...lsio.com>
---
 drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c | 6 +++---
 drivers/net/ethernet/chelsio/cxgb4/sched.h      | 4 ++--
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
index 7b452e8..1b44652 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
@@ -2870,11 +2870,11 @@ static int cxgb_set_tx_maxrate(struct net_device *dev, int index, u32 rate)
 	/* Convert from Mbps to Kbps */
 	req_rate = rate << 10;
 
-	/* Max rate is 10 Gbps */
+	/* Max rate is 100 Gbps */
 	if (req_rate >= SCHED_MAX_RATE_KBPS) {
 		dev_err(adap->pdev_dev,
-			"Invalid rate %u Mbps, Max rate is %u Gbps\n",
-			rate, SCHED_MAX_RATE_KBPS);
+			"Invalid rate %u Mbps, Max rate is %u Mbps\n",
+			rate, SCHED_MAX_RATE_KBPS >> 10);
 		return -ERANGE;
 	}
 
diff --git a/drivers/net/ethernet/chelsio/cxgb4/sched.h b/drivers/net/ethernet/chelsio/cxgb4/sched.h
index 77b2b3f..3a49e00 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/sched.h
+++ b/drivers/net/ethernet/chelsio/cxgb4/sched.h
@@ -42,8 +42,8 @@
 
 #define FW_SCHED_CLS_NONE 0xffffffff
 
-/* Max rate that can be set to a scheduling class is 10 Gbps */
-#define SCHED_MAX_RATE_KBPS 10000000U
+/* Max rate that can be set to a scheduling class is 100 Gbps */
+#define SCHED_MAX_RATE_KBPS 100000000U
 
 enum {
 	SCHED_STATE_ACTIVE,
-- 
2.1.0