From 709ffbe19b777e8fc952e2fdcfd8e6f50c8ef08c Mon Sep 17 00:00:00 2001 From: Pablo Neira Ayuso Date: Fri, 29 May 2020 02:25:41 +0200 Subject: net: remove indirect block netdev event registration Drivers do not register to netdev events to set up indirect blocks anymore. Remove __flow_indr_block_cb_register() and __flow_indr_block_cb_unregister(). The frontends set up the callbacks through flow_indr_dev_setup_block() Signed-off-by: Pablo Neira Ayuso Signed-off-by: David S. Miller --- net/netfilter/nf_tables_offload.c | 53 +-------------------------------------- 1 file changed, 1 insertion(+), 52 deletions(-) (limited to 'net/netfilter/nf_tables_offload.c') diff --git a/net/netfilter/nf_tables_offload.c b/net/netfilter/nf_tables_offload.c index 1960f11477e8..185fc82c99aa 100644 --- a/net/netfilter/nf_tables_offload.c +++ b/net/netfilter/nf_tables_offload.c @@ -285,25 +285,6 @@ static int nft_block_offload_cmd(struct nft_base_chain *chain, return nft_block_setup(chain, &bo, cmd); } -static void nft_indr_block_ing_cmd(struct net_device *dev, - struct nft_base_chain *chain, - flow_indr_block_bind_cb_t *cb, - void *cb_priv, - enum flow_block_command cmd) -{ - struct netlink_ext_ack extack = {}; - struct flow_block_offload bo; - - if (!chain) - return; - - nft_flow_block_offload_init(&bo, dev_net(dev), cmd, chain, &extack); - - cb(dev, cb_priv, TC_SETUP_BLOCK, &bo); - - nft_block_setup(chain, &bo, cmd); -} - static void nft_indr_block_cleanup(struct flow_block_cb *block_cb) { struct nft_base_chain *basechain = block_cb->indr.data; @@ -575,24 +556,6 @@ static struct nft_chain *__nft_offload_get_chain(struct net_device *dev) return NULL; } -static void nft_indr_block_cb(struct net_device *dev, - flow_indr_block_bind_cb_t *cb, void *cb_priv, - enum flow_block_command cmd) -{ - struct net *net = dev_net(dev); - struct nft_chain *chain; - - mutex_lock(&net->nft.commit_mutex); - chain = __nft_offload_get_chain(dev); - if (chain && chain->flags & NFT_CHAIN_HW_OFFLOAD) { - struct nft_base_chain *basechain; - - basechain = nft_base_chain(chain); - nft_indr_block_ing_cmd(dev, basechain, cb, cb_priv, cmd); - } - mutex_unlock(&net->nft.commit_mutex); -} - static int nft_offload_netdev_event(struct notifier_block *this, unsigned long event, void *ptr) { @@ -614,30 +577,16 @@ static int nft_offload_netdev_event(struct notifier_block *this, return NOTIFY_DONE; } -static struct flow_indr_block_entry block_ing_entry = { - .cb = nft_indr_block_cb, - .list = LIST_HEAD_INIT(block_ing_entry.list), -}; - static struct notifier_block nft_offload_netdev_notifier = { .notifier_call = nft_offload_netdev_event, }; int nft_offload_init(void) { - int err; - - err = register_netdevice_notifier(&nft_offload_netdev_notifier); - if (err < 0) - return err; - - flow_indr_add_block_cb(&block_ing_entry); - - return 0; + return register_netdevice_notifier(&nft_offload_netdev_notifier); } void nft_offload_exit(void) { - flow_indr_del_block_cb(&block_ing_entry); unregister_netdevice_notifier(&nft_offload_netdev_notifier); } -- cgit v1.2.3