From b22da3d8526a935aa31e086e63f60ff3246cb61c Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Sat, 09 Dec 2023 07:24:11 +0000
Subject: [PATCH] add stmac read mac form eeprom
---
kernel/net/dccp/ipv6.c | 52 +++++++++++++++++++++-------------------------------
1 files changed, 21 insertions(+), 31 deletions(-)
diff --git a/kernel/net/dccp/ipv6.c b/kernel/net/dccp/ipv6.c
index 2cd3508..21c61a9 100644
--- a/kernel/net/dccp/ipv6.c
+++ b/kernel/net/dccp/ipv6.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* DCCP over IPv6
* Linux INET6 implementation
@@ -5,11 +6,6 @@
* Based on net/dccp6/ipv6.c
*
* Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
- *
- * 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/module.h>
@@ -68,7 +64,7 @@
}
-static void dccp_v6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
+static int dccp_v6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
u8 type, u8 code, int offset, __be32 info)
{
const struct ipv6hdr *hdr = (const struct ipv6hdr *)skb->data;
@@ -96,16 +92,18 @@
if (!sk) {
__ICMP6_INC_STATS(net, __in6_dev_get(skb->dev),
ICMP6_MIB_INERRORS);
- return;
+ return -ENOENT;
}
if (sk->sk_state == DCCP_TIME_WAIT) {
inet_twsk_put(inet_twsk(sk));
- return;
+ return 0;
}
seq = dccp_hdr_seq(dh);
- if (sk->sk_state == DCCP_NEW_SYN_RECV)
- return dccp_req_err(sk, seq);
+ if (sk->sk_state == DCCP_NEW_SYN_RECV) {
+ dccp_req_err(sk, seq);
+ return 0;
+ }
bh_lock_sock(sk);
if (sock_owned_by_user(sk))
@@ -183,6 +181,7 @@
out:
bh_unlock_sock(sk);
sock_put(sk);
+ return 0;
}
@@ -204,7 +203,7 @@
fl6.flowi6_oif = ireq->ir_iif;
fl6.fl6_dport = ireq->ir_rmt_port;
fl6.fl6_sport = htons(ireq->ir_num);
- security_req_classify_flow(req, flowi6_to_flowi(&fl6));
+ security_req_classify_flow(req, flowi6_to_flowi_common(&fl6));
rcu_read_lock();
@@ -231,7 +230,8 @@
opt = ireq->ipv6_opt;
if (!opt)
opt = rcu_dereference(np->opt);
- err = ip6_xmit(sk, skb, &fl6, sk->sk_mark, opt, np->tclass);
+ err = ip6_xmit(sk, skb, &fl6, sk->sk_mark, opt, np->tclass,
+ sk->sk_priority);
rcu_read_unlock();
err = net_xmit_eval(err);
}
@@ -279,13 +279,13 @@
fl6.flowi6_oif = inet6_iif(rxskb);
fl6.fl6_dport = dccp_hdr(skb)->dccph_dport;
fl6.fl6_sport = dccp_hdr(skb)->dccph_sport;
- security_skb_classify_flow(rxskb, flowi6_to_flowi(&fl6));
+ security_skb_classify_flow(rxskb, flowi6_to_flowi_common(&fl6));
/* sk = NULL, but it is safe for now. RST socket required. */
dst = ip6_dst_lookup_flow(sock_net(ctl_sk), ctl_sk, &fl6, NULL);
if (!IS_ERR(dst)) {
skb_dst_set(skb, dst);
- ip6_xmit(ctl_sk, skb, &fl6, 0, NULL, 0);
+ ip6_xmit(ctl_sk, skb, &fl6, 0, NULL, 0, 0);
DCCP_INC_STATS(DCCP_MIB_OUTSEGS);
DCCP_INC_STATS(DCCP_MIB_OUTRSTS);
return;
@@ -538,7 +538,7 @@
dccp_done(newsk);
goto out;
}
- *own_req = inet_ehash_nolisten(newsk, req_to_sk(req_unhash));
+ *own_req = inet_ehash_nolisten(newsk, req_to_sk(req_unhash), NULL);
/* Clone pktoptions received with SYN, if we own the req */
if (*own_req && ireq->pktopts) {
newnp->pktoptions = skb_clone(ireq->pktopts, GFP_ATOMIC);
@@ -836,7 +836,7 @@
if (fl6.flowlabel & IPV6_FLOWLABEL_MASK) {
struct ip6_flowlabel *flowlabel;
flowlabel = fl6_sock_lookup(sk, fl6.flowlabel);
- if (flowlabel == NULL)
+ if (IS_ERR(flowlabel))
return -EINVAL;
fl6_sock_release(flowlabel);
}
@@ -912,7 +912,7 @@
fl6.flowi6_oif = sk->sk_bound_dev_if;
fl6.fl6_dport = usin->sin6_port;
fl6.fl6_sport = inet->inet_sport;
- security_sk_classify_flow(sk, flowi6_to_flowi(&fl6));
+ security_sk_classify_flow(sk, flowi6_to_flowi_common(&fl6));
opt = rcu_dereference_protected(np->opt, lockdep_sock_is_held(sk));
final_p = fl6_update_dst(&fl6, opt, &final);
@@ -957,6 +957,8 @@
late_failure:
dccp_set_state(sk, DCCP_CLOSED);
+ if (!(sk->sk_userlocks & SOCK_BINDADDR_LOCK))
+ inet_reset_saddr(sk);
__sk_dst_reset(sk);
failure:
inet->inet_dport = 0;
@@ -975,10 +977,6 @@
.getsockopt = ipv6_getsockopt,
.addr2sockaddr = inet6_csk_addr2sockaddr,
.sockaddr_len = sizeof(struct sockaddr_in6),
-#ifdef CONFIG_COMPAT
- .compat_setsockopt = compat_ipv6_setsockopt,
- .compat_getsockopt = compat_ipv6_getsockopt,
-#endif
};
/*
@@ -995,10 +993,6 @@
.getsockopt = ipv6_getsockopt,
.addr2sockaddr = inet6_csk_addr2sockaddr,
.sockaddr_len = sizeof(struct sockaddr_in6),
-#ifdef CONFIG_COMPAT
- .compat_setsockopt = compat_ipv6_setsockopt,
- .compat_getsockopt = compat_ipv6_getsockopt,
-#endif
};
/* NOTE: A lot of things set to zero explicitly by call to
@@ -1054,10 +1048,6 @@
.rsk_prot = &dccp6_request_sock_ops,
.twsk_prot = &dccp6_timewait_sock_ops,
.h.hashinfo = &dccp_hashinfo,
-#ifdef CONFIG_COMPAT
- .compat_setsockopt = compat_dccp_setsockopt,
- .compat_getsockopt = compat_dccp_getsockopt,
-#endif
};
static const struct inet6_protocol dccp_v6_protocol = {
@@ -1077,6 +1067,7 @@
.getname = inet6_getname,
.poll = dccp_poll,
.ioctl = inet6_ioctl,
+ .gettstamp = sock_gettstamp,
.listen = inet_dccp_listen,
.shutdown = inet_shutdown,
.setsockopt = sock_common_setsockopt,
@@ -1086,8 +1077,7 @@
.mmap = sock_no_mmap,
.sendpage = sock_no_sendpage,
#ifdef CONFIG_COMPAT
- .compat_setsockopt = compat_sock_common_setsockopt,
- .compat_getsockopt = compat_sock_common_getsockopt,
+ .compat_ioctl = inet6_compat_ioctl,
#endif
};
--
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