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Add NSS Acceleration Support on Qualcomm devices

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Ycarus (Yannick Chabanois) 2024-04-23 20:45:31 +02:00
parent 359074adc6
commit e9d1e0219b
54 changed files with 12395 additions and 0 deletions
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92
6.1/target/linux/qualcommax/patches-6.1/0601-1-qca-add-nss-bridge-mgr-support.patch Normal file
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@ -0,0 +1,92 @@
From 3c17a0e1112be70071e98d5208da5b55dcec20a6 Mon Sep 17 00:00:00 2001
From: Simon Casey <simon501098c@gmail.com>
Date: Wed, 2 Feb 2022 19:37:29 +0100
Subject: [PATCH] Update 607-qca-add-add-nss-bridge-mgr-support.patch for kernel 5.15
---
include/linux/if_bridge.h | 4 ++++
net/bridge/br_fdb.c | 25 +++++++++++++++++++++----
2 files changed, 25 insertions(+), 4 deletions(-)
--- a/include/linux/if_bridge.h
+++ b/include/linux/if_bridge.h
@@ -252,4 +252,8 @@ typedef struct net_bridge_port *br_get_d
extern br_get_dst_hook_t __rcu *br_get_dst_hook;
/* QCA NSS ECM support - End */
+/* QCA NSS bridge-mgr support - Start */
+extern struct net_device *br_fdb_bridge_dev_get_and_hold(struct net_bridge *br);
+/* QCA NSS bridge-mgr support - End */
+
#endif
--- a/net/bridge/br_fdb.c
+++ b/net/bridge/br_fdb.c
@@ -569,7 +569,7 @@ void br_fdb_cleanup(struct work_struct *
unsigned long delay = hold_time(br);
unsigned long work_delay = delay;
unsigned long now = jiffies;
- u8 mac_addr[6]; /* QCA NSS ECM support */
+ struct br_fdb_event fdb_event; /* QCA NSS bridge-mgr support */
/* this part is tricky, in order to avoid blocking learning and
* consequently forwarding, we rely on rcu to delete objects with
@@ -597,12 +597,13 @@ void br_fdb_cleanup(struct work_struct *
} else {
spin_lock_bh(&br->hash_lock);
if (!hlist_unhashed(&f->fdb_node)) {
- ether_addr_copy(mac_addr, f->key.addr.addr);
+ memset(&fdb_event, 0, sizeof(fdb_event));
+ ether_addr_copy(fdb_event.addr, f->key.addr.addr);
fdb_delete(br, f, true);
/* QCA NSS ECM support - Start */
atomic_notifier_call_chain(
&br_fdb_update_notifier_list, 0,
- (void *)mac_addr);
+ (void *)&fdb_event);
/* QCA NSS ECM support - End */
}
spin_unlock_bh(&br->hash_lock);
@@ -900,10 +901,21 @@ static bool __fdb_mark_active(struct net
test_and_clear_bit(BR_FDB_NOTIFY_INACTIVE, &fdb->flags));
}
+/* QCA NSS bridge-mgr support - Start */
+/* Get the bridge device */
+struct net_device *br_fdb_bridge_dev_get_and_hold(struct net_bridge *br)
+{
+ dev_hold(br->dev);
+ return br->dev;
+}
+EXPORT_SYMBOL_GPL(br_fdb_bridge_dev_get_and_hold);
+/* QCA NSS bridge-mgr support - End */
+
void br_fdb_update(struct net_bridge *br, struct net_bridge_port *source,
const unsigned char *addr, u16 vid, unsigned long flags)
{
struct net_bridge_fdb_entry *fdb;
+ struct br_fdb_event fdb_event; /* QCA NSS bridge-mgr support */
/* some users want to always flood. */
if (hold_time(br) == 0)
@@ -929,6 +941,12 @@ void br_fdb_update(struct net_bridge *br
if (unlikely(source != READ_ONCE(fdb->dst) &&
!test_bit(BR_FDB_STICKY, &fdb->flags))) {
br_switchdev_fdb_notify(br, fdb, RTM_DELNEIGH);
+ /* QCA NSS bridge-mgr support - Start */
+ ether_addr_copy(fdb_event.addr, addr);
+ fdb_event.br = br;
+ fdb_event.orig_dev = fdb->dst->dev;
+ fdb_event.dev = source->dev;
+ /* QCA NSS bridge-mgr support - End */
WRITE_ONCE(fdb->dst, source);
fdb_modified = true;
/* Take over HW learned entry */
@@ -940,7 +958,7 @@ void br_fdb_update(struct net_bridge *br
/* QCA NSS ECM support - Start */
atomic_notifier_call_chain(
&br_fdb_update_notifier_list,
- 0, (void *)addr);
+ 0, (void *)&fdb_event);
/* QCA NSS ECM support - End */
}