From 8d2a02b24d66aa359e83eebc1ed3c0f85367a1cb Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Thu, 16 May 2024 03:11:33 +0000
Subject: [PATCH] AX88772C_eeprom and ax8872c build together
---
kernel/net/ipv4/raw.c | 97 +++++++++++++++++++++++++-----------------------
1 files changed, 50 insertions(+), 47 deletions(-)
diff --git a/kernel/net/ipv4/raw.c b/kernel/net/ipv4/raw.c
index 8cae691..650da4d 100644
--- a/kernel/net/ipv4/raw.c
+++ b/kernel/net/ipv4/raw.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* INET An implementation of the TCP/IP protocol suite for the LINUX
* operating system. INET is implemented using the BSD Socket
@@ -30,11 +31,6 @@
* Alan Cox : Added IP_HDRINCL option.
* Alan Cox : Skip broadcast check if BSDism set.
* David S. Miller : New socket lookup architecture.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
*/
#include <linux/types.h>
@@ -131,8 +127,7 @@
if (net_eq(sock_net(sk), net) && inet->inet_num == num &&
!(inet->inet_daddr && inet->inet_daddr != raddr) &&
!(inet->inet_rcv_saddr && inet->inet_rcv_saddr != laddr) &&
- !(sk->sk_bound_dev_if && sk->sk_bound_dev_if != dif &&
- sk->sk_bound_dev_if != sdif))
+ raw_sk_bound_dev_eq(net, sk->sk_bound_dev_if, dif, sdif))
goto found; /* gotcha */
}
sk = NULL;
@@ -265,11 +260,12 @@
err = EHOSTUNREACH;
if (code > NR_ICMP_UNREACH)
break;
- err = icmp_err_convert[code].errno;
- harderr = icmp_err_convert[code].fatal;
if (code == ICMP_FRAG_NEEDED) {
harderr = inet->pmtudisc != IP_PMTUDISC_DONT;
err = EMSGSIZE;
+ } else {
+ err = icmp_err_convert[code].errno;
+ harderr = icmp_err_convert[code].fatal;
}
}
@@ -337,7 +333,7 @@
kfree_skb(skb);
return NET_RX_DROP;
}
- nf_reset(skb);
+ nf_reset_ct(skb);
skb_push(skb, skb->data - skb_network_header(skb));
@@ -380,7 +376,7 @@
skb_reserve(skb, hlen);
skb->priority = sk->sk_priority;
- skb->mark = sk->sk_mark;
+ skb->mark = sockc->mark;
skb->tstamp = sockc->transmit_time;
skb_dst_set(skb, &rt->dst);
*rtp = NULL;
@@ -391,7 +387,7 @@
skb->ip_summed = CHECKSUM_NONE;
- sock_tx_timestamp(sk, sockc->tsflags, &skb_shinfo(skb)->tx_flags);
+ skb_setup_tx_timestamp(skb, sockc->tsflags);
if (flags & MSG_CONFIRM)
skb_set_dst_pending_confirm(skb, 1);
@@ -483,7 +479,7 @@
skb->csum = csum_block_add(
skb->csum,
csum_partial_copy_nocheck(rfv->hdr.c + offset,
- to, copy, 0),
+ to, copy),
odd);
odd = 0;
@@ -563,6 +559,9 @@
}
ipcm_init_sk(&ipc, inet);
+ /* Keep backward compat */
+ if (hdrincl)
+ ipc.protocol = IPPROTO_RAW;
if (msg->msg_controllen) {
err = ip_cmsg_send(sk, msg, &ipc, false);
@@ -608,14 +607,14 @@
tos |= RTO_ONLINK;
if (ipv4_is_multicast(daddr)) {
- if (!ipc.oif)
+ if (!ipc.oif || netif_index_is_l3_master(sock_net(sk), ipc.oif))
ipc.oif = inet->mc_index;
if (!saddr)
saddr = inet->mc_addr;
} else if (!ipc.oif) {
ipc.oif = inet->uc_index;
} else if (ipv4_is_lbcast(daddr) && inet->uc_index) {
- /* oif is set, packet is to local broadcast and
+ /* oif is set, packet is to local broadcast
* and uc_index is set. oif is most likely set
* by sk_bound_dev_if. If uc_index != oif check if the
* oif is an L3 master and uc_index is an L3 slave.
@@ -628,9 +627,9 @@
}
}
- flowi4_init_output(&fl4, ipc.oif, sk->sk_mark, tos,
+ flowi4_init_output(&fl4, ipc.oif, ipc.sockc.mark, tos,
RT_SCOPE_UNIVERSE,
- hdrincl ? IPPROTO_RAW : sk->sk_protocol,
+ hdrincl ? ipc.protocol : sk->sk_protocol,
inet_sk_flowi_flags(sk) |
(hdrincl ? FLOWI_FLAG_KNOWN_NH : 0),
daddr, saddr, 0, 0, sk->sk_uid);
@@ -644,7 +643,7 @@
goto done;
}
- security_sk_classify_flow(sk, flowi4_to_flowi(&fl4));
+ security_sk_classify_flow(sk, flowi4_to_flowi_common(&fl4));
rt = ip_route_output_flow(net, &fl4, sk);
if (IS_ERR(rt)) {
err = PTR_ERR(rt);
@@ -808,7 +807,7 @@
return copied;
}
-static int raw_init(struct sock *sk)
+static int raw_sk_init(struct sock *sk)
{
struct raw_sock *rp = raw_sk(sk);
@@ -817,11 +816,11 @@
return 0;
}
-static int raw_seticmpfilter(struct sock *sk, char __user *optval, int optlen)
+static int raw_seticmpfilter(struct sock *sk, sockptr_t optval, int optlen)
{
if (optlen > sizeof(struct icmp_filter))
optlen = sizeof(struct icmp_filter);
- if (copy_from_user(&raw_sk(sk)->filter, optval, optlen))
+ if (copy_from_sockptr(&raw_sk(sk)->filter, optval, optlen))
return -EFAULT;
return 0;
}
@@ -846,7 +845,7 @@
}
static int do_raw_setsockopt(struct sock *sk, int level, int optname,
- char __user *optval, unsigned int optlen)
+ sockptr_t optval, unsigned int optlen)
{
if (optname == ICMP_FILTER) {
if (inet_sk(sk)->inet_num != IPPROTO_ICMP)
@@ -858,22 +857,12 @@
}
static int raw_setsockopt(struct sock *sk, int level, int optname,
- char __user *optval, unsigned int optlen)
+ sockptr_t optval, unsigned int optlen)
{
if (level != SOL_RAW)
return ip_setsockopt(sk, level, optname, optval, optlen);
return do_raw_setsockopt(sk, level, optname, optval, optlen);
}
-
-#ifdef CONFIG_COMPAT
-static int compat_raw_setsockopt(struct sock *sk, int level, int optname,
- char __user *optval, unsigned int optlen)
-{
- if (level != SOL_RAW)
- return compat_ip_setsockopt(sk, level, optname, optval, optlen);
- return do_raw_setsockopt(sk, level, optname, optval, optlen);
-}
-#endif
static int do_raw_getsockopt(struct sock *sk, int level, int optname,
char __user *optval, int __user *optlen)
@@ -894,16 +883,6 @@
return ip_getsockopt(sk, level, optname, optval, optlen);
return do_raw_getsockopt(sk, level, optname, optval, optlen);
}
-
-#ifdef CONFIG_COMPAT
-static int compat_raw_getsockopt(struct sock *sk, int level, int optname,
- char __user *optval, int __user *optlen)
-{
- if (level != SOL_RAW)
- return compat_ip_getsockopt(sk, level, optname, optval, optlen);
- return do_raw_getsockopt(sk, level, optname, optval, optlen);
-}
-#endif
static int raw_ioctl(struct sock *sk, int cmd, unsigned long arg)
{
@@ -973,7 +952,7 @@
.connect = ip4_datagram_connect,
.disconnect = __udp_disconnect,
.ioctl = raw_ioctl,
- .init = raw_init,
+ .init = raw_sk_init,
.setsockopt = raw_setsockopt,
.getsockopt = raw_getsockopt,
.sendmsg = raw_sendmsg,
@@ -988,8 +967,6 @@
.usersize = sizeof_field(struct raw_sock, filter),
.h.raw_hash = &raw_v4_hashinfo,
#ifdef CONFIG_COMPAT
- .compat_setsockopt = compat_raw_setsockopt,
- .compat_getsockopt = compat_raw_getsockopt,
.compat_ioctl = compat_raw_ioctl,
#endif
.diag_destroy = raw_abort,
@@ -1042,6 +1019,7 @@
}
void *raw_seq_start(struct seq_file *seq, loff_t *pos)
+ __acquires(&h->lock)
{
struct raw_hashinfo *h = PDE_DATA(file_inode(seq->file));
@@ -1064,6 +1042,7 @@
EXPORT_SYMBOL_GPL(raw_seq_next);
void raw_seq_stop(struct seq_file *seq, void *v)
+ __releases(&h->lock)
{
struct raw_hashinfo *h = PDE_DATA(file_inode(seq->file));
@@ -1080,7 +1059,7 @@
srcp = inet->inet_num;
seq_printf(seq, "%4d: %08X:%04X %08X:%04X"
- " %02X %08X:%08X %02X:%08lX %08X %5u %8d %lu %d %pK %d\n",
+ " %02X %08X:%08X %02X:%08lX %08X %5u %8d %lu %d %pK %u\n",
i, src, srcp, dest, destp, sp->sk_state,
sk_wmem_alloc_get(sp),
sk_rmem_alloc_get(sp),
@@ -1137,3 +1116,27 @@
unregister_pernet_subsys(&raw_net_ops);
}
#endif /* CONFIG_PROC_FS */
+
+static void raw_sysctl_init_net(struct net *net)
+{
+#ifdef CONFIG_NET_L3_MASTER_DEV
+ net->ipv4.sysctl_raw_l3mdev_accept = 1;
+#endif
+}
+
+static int __net_init raw_sysctl_init(struct net *net)
+{
+ raw_sysctl_init_net(net);
+ return 0;
+}
+
+static struct pernet_operations __net_initdata raw_sysctl_ops = {
+ .init = raw_sysctl_init,
+};
+
+void __init raw_init(void)
+{
+ raw_sysctl_init_net(&init_net);
+ if (register_pernet_subsys(&raw_sysctl_ops))
+ panic("RAW: failed to init sysctl parameters.\n");
+}
--
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