From 9370bb92b2d16684ee45cf24e879c93c509162da Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Thu, 19 Dec 2024 01:47:39 +0000
Subject: [PATCH] add wifi6 8852be driver
---
kernel/drivers/net/xen-netback/common.h | 38 ++++++++++++++++++++++++--------------
1 files changed, 24 insertions(+), 14 deletions(-)
diff --git a/kernel/drivers/net/xen-netback/common.h b/kernel/drivers/net/xen-netback/common.h
index 751254d..fe99439 100644
--- a/kernel/drivers/net/xen-netback/common.h
+++ b/kernel/drivers/net/xen-netback/common.h
@@ -48,7 +48,6 @@
#include <linux/debugfs.h>
typedef unsigned int pending_ring_idx_t;
-#define INVALID_PENDING_RING_IDX (~0U)
struct pending_tx_info {
struct xen_netif_tx_request req; /* tx request */
@@ -81,8 +80,6 @@
/* Discriminate from any valid pending_idx value. */
#define INVALID_PENDING_IDX 0xFFFF
-
-#define MAX_BUFFER_OFFSET XEN_PAGE_SIZE
#define MAX_PENDING_REQS XEN_NETIF_TX_RING_SIZE
@@ -169,7 +166,7 @@
struct pending_tx_info pending_tx_info[MAX_PENDING_REQS];
grant_handle_t grant_tx_handle[MAX_PENDING_REQS];
- struct gnttab_copy tx_copy_ops[MAX_PENDING_REQS];
+ struct gnttab_copy tx_copy_ops[2 * MAX_PENDING_REQS];
struct gnttab_map_grant_ref tx_map_ops[MAX_PENDING_REQS];
struct gnttab_unmap_grant_ref tx_unmap_ops[MAX_PENDING_REQS];
/* passed to gnttab_[un]map_refs with pages under (un)mapping */
@@ -263,6 +260,22 @@
struct xenvif_hash_cache cache;
};
+struct backend_info {
+ struct xenbus_device *dev;
+ struct xenvif *vif;
+
+ /* This is the state that will be reflected in xenstore when any
+ * active hotplug script completes.
+ */
+ enum xenbus_state state;
+
+ enum xenbus_state frontend_state;
+ struct xenbus_watch hotplug_status_watch;
+ u8 have_hotplug_status_watch:1;
+
+ const char *hotplug_script;
+};
+
struct xenvif {
/* Unique identifier for this interface. */
domid_t domid;
@@ -279,6 +292,9 @@
u8 ip_csum:1;
u8 ipv6_csum:1;
u8 multicast_control:1;
+
+ /* headroom requested by xen-netfront */
+ u16 xdp_headroom;
/* Is this interface disabled? True when backend discovers
* frontend is rogue.
@@ -297,6 +313,8 @@
struct xenbus_watch credit_watch;
struct xenbus_watch mcast_ctrl_watch;
+
+ struct backend_info *be;
spinlock_t lock;
@@ -346,11 +364,6 @@
int xenvif_xenbus_init(void);
void xenvif_xenbus_fini(void);
-int xenvif_schedulable(struct xenvif *vif);
-
-int xenvif_queue_stopped(struct xenvif_queue *queue);
-void xenvif_wake_queue(struct xenvif_queue *queue);
-
/* (Un)Map communication rings. */
void xenvif_unmap_frontend_data_rings(struct xenvif_queue *queue);
int xenvif_map_frontend_data_rings(struct xenvif_queue *queue,
@@ -373,16 +386,12 @@
irqreturn_t xenvif_ctrl_irq_fn(int irq, void *data);
bool xenvif_have_rx_work(struct xenvif_queue *queue, bool test_kthread);
-void xenvif_rx_action(struct xenvif_queue *queue);
-void xenvif_rx_queue_tail(struct xenvif_queue *queue, struct sk_buff *skb);
+bool xenvif_rx_queue_tail(struct xenvif_queue *queue, struct sk_buff *skb);
void xenvif_carrier_on(struct xenvif *vif);
/* Callback from stack when TX packet can be released */
void xenvif_zerocopy_callback(struct ubuf_info *ubuf, bool zerocopy_success);
-
-/* Unmap a pending page and release it back to the guest */
-void xenvif_idx_unmap(struct xenvif_queue *queue, u16 pending_idx);
static inline pending_ring_idx_t nr_pending_reqs(struct xenvif_queue *queue)
{
@@ -393,6 +402,7 @@
irqreturn_t xenvif_interrupt(int irq, void *dev_id);
extern bool separate_tx_rx_irq;
+extern bool provides_xdp_headroom;
extern unsigned int rx_drain_timeout_msecs;
extern unsigned int rx_stall_timeout_msecs;
--
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