diff options
| author |   Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2015-04-10 19:14:31 -0700 |
|---|---|---|
| committer | Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2015-04-14 15:08:37 -0700 |
| commit | 8b4a98c7fa0344c08c34657e2bd2cc2293a67238 (patch) | |
| tree | 7c30afa1a5544208c2b30f7113b03a800bfde665 /drivers/net/ethernet | |
| parent | fm10k: Have the VF get the default VLAN during init (diff) | |
| download | linux-dev-8b4a98c7fa0344c08c34657e2bd2cc2293a67238.tar.xz linux-dev-8b4a98c7fa0344c08c34657e2bd2cc2293a67238.zip | |
fm10k: Add netconsole support
This change adds a function called "fm10k_netpoll" that's used to define
"ndo_poll_controller" in "fm10k_netdev_ops". This is required to enable
support for "netconsole" in fm10k.
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Ngai-Mint Kwan <ngai-mint.kwan@intel.com>
Acked-by: Matthew Vick <matthew.vick@intel.com>
Tested-by: Krishneil Singh <krishneil.k.singh@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Diffstat (limited to 'drivers/net/ethernet')
| -rw-r--r-- | drivers/net/ethernet/intel/fm10k/fm10k.h | 3 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/fm10k/fm10k_netdev.c | 3 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/fm10k/fm10k_pci.c | 22 |
3 files changed, 28 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/fm10k/fm10k.h b/drivers/net/ethernet/intel/fm10k/fm10k.h index 65e70016abfb..b45f7978b9e6 100644 --- a/drivers/net/ethernet/intel/fm10k/fm10k.h +++ b/drivers/net/ethernet/intel/fm10k/fm10k.h @@ -457,6 +457,9 @@ void fm10k_down(struct fm10k_intfc *interface); void fm10k_update_stats(struct fm10k_intfc *interface); void fm10k_service_event_schedule(struct fm10k_intfc *interface); void fm10k_update_rx_drop_en(struct fm10k_intfc *interface); +#ifdef CONFIG_NET_POLL_CONTROLLER +void fm10k_netpoll(struct net_device *netdev); +#endif /* Netdev */ struct net_device *fm10k_alloc_netdev(void); diff --git a/drivers/net/ethernet/intel/fm10k/fm10k_netdev.c b/drivers/net/ethernet/intel/fm10k/fm10k_netdev.c index a7db5e20e1f7..702d84547ba1 100644 --- a/drivers/net/ethernet/intel/fm10k/fm10k_netdev.c +++ b/drivers/net/ethernet/intel/fm10k/fm10k_netdev.c @@ -1382,6 +1382,9 @@ static const struct net_device_ops fm10k_netdev_ops = { .ndo_do_ioctl = fm10k_ioctl, .ndo_dfwd_add_station = fm10k_dfwd_add_station, .ndo_dfwd_del_station = fm10k_dfwd_del_station, +#ifdef CONFIG_NET_POLL_CONTROLLER + .ndo_poll_controller = fm10k_netpoll, +#endif .ndo_features_check = fm10k_features_check, }; diff --git a/drivers/net/ethernet/intel/fm10k/fm10k_pci.c b/drivers/net/ethernet/intel/fm10k/fm10k_pci.c index 6fc996579587..90d6faefb8bd 100644 --- a/drivers/net/ethernet/intel/fm10k/fm10k_pci.c +++ b/drivers/net/ethernet/intel/fm10k/fm10k_pci.c @@ -839,6 +839,28 @@ static irqreturn_t fm10k_msix_mbx_vf(int irq, void *data) return IRQ_HANDLED; } +#ifdef CONFIG_NET_POLL_CONTROLLER +/** + * fm10k_netpoll - A Polling 'interrupt' handler + * @netdev: network interface device structure + * + * 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 fm10k_netpoll(struct net_device *netdev) +{ + struct fm10k_intfc *interface = netdev_priv(netdev); + int i; + + /* if interface is down do nothing */ + if (test_bit(__FM10K_DOWN, &interface->state)) + return; + + for (i = 0; i < interface->num_q_vectors; i++) + fm10k_msix_clean_rings(0, interface->q_vector[i]); +} + +#endif #define FM10K_ERR_MSG(type) case (type): error = #type; break static void fm10k_print_fault(struct fm10k_intfc *interface, int type, struct fm10k_fault *fault) |