From: Bhaskar Upadhaya <bupadhaya@marvell.com>
To: <netdev@vger.kernel.org>, <kuba@kernel.org>, <aelior@marvell.com>,
<irusskikh@marvell.com>
Cc: <bupadhaya@marvell.com>
Subject: [PATCH net-next 1/3] qede: add netpoll support for qede driver
Date: Fri, 15 Jan 2021 01:06:08 -0800 [thread overview]
Message-ID: <1610701570-29496-2-git-send-email-bupadhaya@marvell.com> (raw)
In-Reply-To: <1610701570-29496-1-git-send-email-bupadhaya@marvell.com>
Add net poll controller support to transmit kernel printks
over UDP
Signed-off-by: Bhaskar Upadhaya <bupadhaya@marvell.com>
Signed-off-by: Igor Russkikh <irusskikh@marvell.com>
Signed-off-by: Ariel Elior <aelior@marvell.com>
---
drivers/net/ethernet/qlogic/qede/qede.h | 4 ++++
drivers/net/ethernet/qlogic/qede/qede_fp.c | 14 ++++++++++++++
drivers/net/ethernet/qlogic/qede/qede_main.c | 3 +++
3 files changed, 21 insertions(+)
diff --git a/drivers/net/ethernet/qlogic/qede/qede.h b/drivers/net/ethernet/qlogic/qede/qede.h
index 3efc5899f656..ac12e5beb596 100644
--- a/drivers/net/ethernet/qlogic/qede/qede.h
+++ b/drivers/net/ethernet/qlogic/qede/qede.h
@@ -582,6 +582,10 @@ int qede_add_tc_flower_fltr(struct qede_dev *edev, __be16 proto,
void qede_forced_speed_maps_init(void);
+#ifdef CONFIG_NET_POLL_CONTROLLER
+void qede_poll_controller(struct net_device *dev);
+#endif
+
#define RX_RING_SIZE_POW 13
#define RX_RING_SIZE ((u16)BIT(RX_RING_SIZE_POW))
#define NUM_RX_BDS_MAX (RX_RING_SIZE - 1)
diff --git a/drivers/net/ethernet/qlogic/qede/qede_fp.c b/drivers/net/ethernet/qlogic/qede/qede_fp.c
index a2494bf85007..a626f1f45212 100644
--- a/drivers/net/ethernet/qlogic/qede/qede_fp.c
+++ b/drivers/net/ethernet/qlogic/qede/qede_fp.c
@@ -1804,3 +1804,17 @@ netdev_features_t qede_features_check(struct sk_buff *skb,
return features;
}
+
+#ifdef CONFIG_NET_POLL_CONTROLLER
+/* This is used by netconsole to send skbs without having to re-enable
+ * interrupts.It's not called while the normal interrupt routine is executing.
+ */
+void qede_poll_controller(struct net_device *dev)
+{
+ struct qede_dev *edev = netdev_priv(dev);
+ int i;
+
+ for_each_queue(i)
+ napi_schedule(&edev->fp_array[i].napi);
+}
+#endif
diff --git a/drivers/net/ethernet/qlogic/qede/qede_main.c b/drivers/net/ethernet/qlogic/qede/qede_main.c
index 05e3a3b60269..2ff6c49de745 100644
--- a/drivers/net/ethernet/qlogic/qede/qede_main.c
+++ b/drivers/net/ethernet/qlogic/qede/qede_main.c
@@ -644,6 +644,9 @@ static const struct net_device_ops qede_netdev_ops = {
.ndo_set_rx_mode = qede_set_rx_mode,
.ndo_set_mac_address = qede_set_mac_addr,
.ndo_validate_addr = eth_validate_addr,
+#ifdef CONFIG_NET_POLL_CONTROLLER
+ .ndo_poll_controller = qede_poll_controller,
+#endif
.ndo_change_mtu = qede_change_mtu,
.ndo_do_ioctl = qede_ioctl,
.ndo_tx_timeout = qede_tx_timeout,
--
2.17.1
next prev parent reply other threads:[~2021-01-15 9:07 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-15 9:06 [PATCH net-next 0/3] qede: add netpoll and per-queue coalesce support Bhaskar Upadhaya
2021-01-15 9:06 ` Bhaskar Upadhaya [this message]
2021-01-17 2:26 ` [PATCH net-next 1/3] qede: add netpoll support for qede driver Jakub Kicinski
2021-01-17 16:35 ` [EXT] " Igor Russkikh
2021-01-18 19:10 ` Jakub Kicinski
2021-01-15 9:06 ` [PATCH net-next 2/3] qede: add per queue coalesce " Bhaskar Upadhaya
2021-01-15 9:06 ` [PATCH net-next 3/3] qede: set default per queue rx/tx usecs coalescing parameters Bhaskar Upadhaya
2021-01-17 2:28 ` Jakub Kicinski
2021-01-17 16:37 ` [EXT] " Igor Russkikh
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1610701570-29496-2-git-send-email-bupadhaya@marvell.com \
--to=bupadhaya@marvell.com \
--cc=aelior@marvell.com \
--cc=irusskikh@marvell.com \
--cc=kuba@kernel.org \
--cc=netdev@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).