[net-next 8/9] i40e: Clean up of cloud filters
From: Jeff Kirsher <hidden>
Date: 2017-10-31 18:40:38
Subsystem:
intel ethernet drivers, networking drivers, the rest · Maintainers:
Tony Nguyen, Przemek Kitszel, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
From: Amritha Nambiar <redacted> Introduce the cloud filter data structure and cleanup of cloud filters associated with the device. Signed-off-by: Amritha Nambiar <redacted> Acked-by: Shannon Nelson <redacted> Tested-by: Andrew Bowers <redacted> Signed-off-by: Jeff Kirsher <redacted> --- drivers/net/ethernet/intel/i40e/i40e.h | 9 +++++++++ drivers/net/ethernet/intel/i40e/i40e_main.c | 24 ++++++++++++++++++++++++ 2 files changed, 33 insertions(+)
diff --git a/drivers/net/ethernet/intel/i40e/i40e.h b/drivers/net/ethernet/intel/i40e/i40e.h
index f3c501efddc8..b938bb4a70f7 100644
--- a/drivers/net/ethernet/intel/i40e/i40e.h
+++ b/drivers/net/ethernet/intel/i40e/i40e.h@@ -253,6 +253,12 @@ struct i40e_fdir_filter { u32 fd_id; }; +struct i40e_cloud_filter { + struct hlist_node cloud_node; + unsigned long cookie; + u16 seid; /* filter control */ +}; + #define I40E_ETH_P_LLDP 0x88cc #define I40E_DCB_PRIO_TYPE_STRICT 0
@@ -420,6 +426,9 @@ struct i40e_pf { struct i40e_udp_port_config udp_ports[I40E_MAX_PF_UDP_OFFLOAD_PORTS]; u16 pending_udp_bitmap; + struct hlist_head cloud_filter_list; + u16 num_cloud_filters; + enum i40e_interrupt_policy int_policy; u16 rx_itr_default; u16 tx_itr_default;
diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c
index 128f2595fcd1..fbe34500ded2 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_main.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_main.c@@ -6936,6 +6936,26 @@ static void i40e_fdir_filter_exit(struct i40e_pf *pf) I40E_L3_SRC_MASK | I40E_L3_DST_MASK); } +/** + * i40e_cloud_filter_exit - Cleans up the cloud filters + * @pf: Pointer to PF + * + * This function destroys the hlist where all the cloud filters + * were saved. + **/ +static void i40e_cloud_filter_exit(struct i40e_pf *pf) +{ + struct i40e_cloud_filter *cfilter; + struct hlist_node *node; + + hlist_for_each_entry_safe(cfilter, node, + &pf->cloud_filter_list, cloud_node) { + hlist_del(&cfilter->cloud_node); + kfree(cfilter); + } + pf->num_cloud_filters = 0; +} + /** * i40e_close - Disables a network interface * @netdev: network interface device structure
@@ -12196,6 +12216,7 @@ static int i40e_setup_pf_switch(struct i40e_pf *pf, bool reinit) vsi = i40e_vsi_reinit_setup(pf->vsi[pf->lan_vsi]); if (!vsi) { dev_info(&pf->pdev->dev, "setup of MAIN VSI failed\n"); + i40e_cloud_filter_exit(pf); i40e_fdir_teardown(pf); return -EAGAIN; }
@@ -13030,6 +13051,8 @@ static void i40e_remove(struct pci_dev *pdev) if (pf->vsi[pf->lan_vsi]) i40e_vsi_release(pf->vsi[pf->lan_vsi]); + i40e_cloud_filter_exit(pf); + /* remove attached clients */ if (pf->flags & I40E_FLAG_IWARP_ENABLED) { ret_code = i40e_lan_del_device(pf);
@@ -13261,6 +13284,7 @@ static void i40e_shutdown(struct pci_dev *pdev) del_timer_sync(&pf->service_timer); cancel_work_sync(&pf->service_task); + i40e_cloud_filter_exit(pf); i40e_fdir_teardown(pf); /* Client close must be called explicitly here because the timer
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2.14.2