[PATCH net-next 1/3] qede: add netpoll support for qede driver
From: Bhaskar Upadhaya <hidden>
Date: 2021-01-15 09:07:25
Subsystem:
networking drivers, qlogic ql4xxx ethernet driver, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
Add net poll controller support to transmit kernel printks over UDP Signed-off-by: Bhaskar Upadhaya <redacted> Signed-off-by: Igor Russkikh <redacted> Signed-off-by: Ariel Elior <redacted> --- 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