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From: Jakub Kicinski <jakub.kicinski@netronome.com>
To: netdev@vger.kernel.org
Cc: oss-drivers@netronome.com,
	Dirk van der Merwe <dirk.vandermerwe@netronome.com>
Subject: [PATCH net-next 1/3] nfp: flower: obtain repr link state only from firmware
Date: Tue,  2 Jan 2018 19:18:59 -0800	[thread overview]
Message-ID: <20180103031901.4165-2-jakub.kicinski@netronome.com> (raw)
In-Reply-To: <20180103031901.4165-1-jakub.kicinski@netronome.com>

From: Dirk van der Merwe <dirk.vandermerwe@netronome.com>

Instead of starting up reprs assuming that there is link, only respond
to the link state reported by firmware.

Furthermore, ensure link is down after repr netdevs are created.

Signed-off-by: Dirk van der Merwe <dirk.vandermerwe@netronome.com>
Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com>
---
 drivers/net/ethernet/netronome/nfp/flower/main.c  | 2 --
 drivers/net/ethernet/netronome/nfp/nfp_net_repr.c | 2 ++
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/netronome/nfp/flower/main.c b/drivers/net/ethernet/netronome/nfp/flower/main.c
index 63160e9754d4..252d19236ad8 100644
--- a/drivers/net/ethernet/netronome/nfp/flower/main.c
+++ b/drivers/net/ethernet/netronome/nfp/flower/main.c
@@ -110,7 +110,6 @@ nfp_flower_repr_netdev_open(struct nfp_app *app, struct nfp_repr *repr)
 	if (err)
 		return err;
 
-	netif_carrier_on(repr->netdev);
 	netif_tx_wake_all_queues(repr->netdev);
 
 	return 0;
@@ -119,7 +118,6 @@ nfp_flower_repr_netdev_open(struct nfp_app *app, struct nfp_repr *repr)
 static int
 nfp_flower_repr_netdev_stop(struct nfp_app *app, struct nfp_repr *repr)
 {
-	netif_carrier_off(repr->netdev);
 	netif_tx_disable(repr->netdev);
 
 	return nfp_flower_cmsg_portmod(repr, false);
diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_repr.c b/drivers/net/ethernet/netronome/nfp/nfp_net_repr.c
index 78b36c67c232..3c6cb381385d 100644
--- a/drivers/net/ethernet/netronome/nfp/nfp_net_repr.c
+++ b/drivers/net/ethernet/netronome/nfp/nfp_net_repr.c
@@ -336,6 +336,8 @@ struct net_device *nfp_repr_alloc(struct nfp_app *app)
 	if (!netdev)
 		return NULL;
 
+	netif_carrier_off(netdev);
+
 	repr = netdev_priv(netdev);
 	repr->netdev = netdev;
 	repr->app = app;
-- 
2.15.1

  reply	other threads:[~2018-01-03  3:19 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-01-03  3:18 [PATCH net-next 0/3] nfp: flower: repr link state Jakub Kicinski
2018-01-03  3:18 ` Jakub Kicinski [this message]
2018-01-03  3:19 ` [PATCH net-next 2/3] nfp: add repr_preclean callback Jakub Kicinski
2018-01-03  3:19 ` [PATCH net-next 3/3] nfp: flower: implement the PORT_REIFY message Jakub Kicinski
2018-01-03 17:18 ` [PATCH net-next 0/3] nfp: flower: repr link state David Miller

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