diff options
Diffstat (limited to 'target/linux/generic/hack-5.4/901-debloat_sock_diag.patch')
| -rw-r--r-- | target/linux/generic/hack-5.4/901-debloat_sock_diag.patch | 145 |
1 files changed, 0 insertions, 145 deletions
diff --git a/target/linux/generic/hack-5.4/901-debloat_sock_diag.patch b/target/linux/generic/hack-5.4/901-debloat_sock_diag.patch deleted file mode 100644 index 0abb672639..0000000000 --- a/target/linux/generic/hack-5.4/901-debloat_sock_diag.patch +++ /dev/null @@ -1,145 +0,0 @@ -From 3b6115d6b57a263bdc8c9b1df273bd4a7955eead Mon Sep 17 00:00:00 2001 -From: Felix Fietkau <nbd@nbd.name> -Date: Sat, 8 Jul 2017 08:16:31 +0200 -Subject: debloat: add some debloat patches, strip down procfs and make O_DIRECT support optional, saves ~15K after lzma on MIPS - -Signed-off-by: Felix Fietkau <nbd@nbd.name> ---- - net/Kconfig | 3 +++ - net/core/Makefile | 3 ++- - net/core/sock.c | 2 ++ - net/ipv4/Kconfig | 1 + - net/netlink/Kconfig | 1 + - net/packet/Kconfig | 1 + - net/unix/Kconfig | 1 + - 7 files changed, 11 insertions(+), 1 deletion(-) - ---- a/net/Kconfig -+++ b/net/Kconfig -@@ -103,6 +103,9 @@ source "net/netlabel/Kconfig" - - endif # if INET - -+config SOCK_DIAG -+ bool -+ - config NETWORK_SECMARK - bool "Security Marking" - help ---- a/net/core/Makefile -+++ b/net/core/Makefile -@@ -10,9 +10,10 @@ obj-$(CONFIG_SYSCTL) += sysctl_net_core. - - obj-y += dev.o ethtool.o dev_addr_lists.o dst.o netevent.o \ - neighbour.o rtnetlink.o utils.o link_watch.o filter.o \ -- sock_diag.o dev_ioctl.o tso.o sock_reuseport.o \ -+ dev_ioctl.o tso.o sock_reuseport.o \ - fib_notifier.o xdp.o flow_offload.o - -+obj-$(CONFIG_SOCK_DIAG) += sock_diag.o - obj-y += net-sysfs.o - obj-$(CONFIG_PAGE_POOL) += page_pool.o - obj-$(CONFIG_PROC_FS) += net-procfs.o ---- a/net/core/sock.c -+++ b/net/core/sock.c -@@ -140,6 +140,7 @@ - - static DEFINE_MUTEX(proto_list_mutex); - static LIST_HEAD(proto_list); -+static atomic64_t cookie_gen; - - static void sock_inuse_add(struct net *net, int val); - -@@ -539,6 +540,18 @@ discard_and_relse: - } - EXPORT_SYMBOL(__sk_receive_skb); - -+u64 sock_gen_cookie(struct sock *sk) -+{ -+ while (1) { -+ u64 res = atomic64_read(&sk->sk_cookie); -+ -+ if (res) -+ return res; -+ res = atomic64_inc_return(&cookie_gen); -+ atomic64_cmpxchg(&sk->sk_cookie, 0, res); -+ } -+} -+ - struct dst_entry *__sk_dst_check(struct sock *sk, u32 cookie) - { - struct dst_entry *dst = __sk_dst_get(sk); -@@ -1760,9 +1773,11 @@ static void __sk_free(struct sock *sk) - if (likely(sk->sk_net_refcnt)) - sock_inuse_add(sock_net(sk), -1); - -+#ifdef CONFIG_SOCK_DIAG - if (unlikely(sk->sk_net_refcnt && sock_diag_has_destroy_listeners(sk))) - sock_diag_broadcast_destroy(sk); - else -+#endif - sk_destruct(sk); - } - ---- a/net/core/sock_diag.c -+++ b/net/core/sock_diag.c -@@ -19,19 +19,6 @@ static const struct sock_diag_handler *s - static int (*inet_rcv_compat)(struct sk_buff *skb, struct nlmsghdr *nlh); - static DEFINE_MUTEX(sock_diag_table_mutex); - static struct workqueue_struct *broadcast_wq; --static atomic64_t cookie_gen; -- --u64 sock_gen_cookie(struct sock *sk) --{ -- while (1) { -- u64 res = atomic64_read(&sk->sk_cookie); -- -- if (res) -- return res; -- res = atomic64_inc_return(&cookie_gen); -- atomic64_cmpxchg(&sk->sk_cookie, 0, res); -- } --} - - int sock_diag_check_cookie(struct sock *sk, const __u32 *cookie) - { ---- a/net/ipv4/Kconfig -+++ b/net/ipv4/Kconfig -@@ -400,6 +400,7 @@ config INET_TUNNEL - - config INET_DIAG - tristate "INET: socket monitoring interface" -+ select SOCK_DIAG - default y - ---help--- - Support for INET (TCP, DCCP, etc) socket monitoring interface used by ---- a/net/netlink/Kconfig -+++ b/net/netlink/Kconfig -@@ -5,6 +5,7 @@ - - config NETLINK_DIAG - tristate "NETLINK: socket monitoring interface" -+ select SOCK_DIAG - default n - ---help--- - Support for NETLINK socket monitoring interface used by the ss tool. ---- a/net/packet/Kconfig -+++ b/net/packet/Kconfig -@@ -19,6 +19,7 @@ config PACKET - config PACKET_DIAG - tristate "Packet: sockets monitoring interface" - depends on PACKET -+ select SOCK_DIAG - default n - ---help--- - Support for PF_PACKET sockets monitoring interface used by the ss tool. ---- a/net/unix/Kconfig -+++ b/net/unix/Kconfig -@@ -28,6 +28,7 @@ config UNIX_SCM - config UNIX_DIAG - tristate "UNIX: socket monitoring interface" - depends on UNIX -+ select SOCK_DIAG - default n - ---help--- - Support for UNIX socket monitoring interface used by the ss tool. |