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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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8f6b539285
After commit4cdeeee925("net: udp: prefer listeners bound to an address"), UDP-Lite only works when specifying a local address for the sockets. This is related to the problem addressed in the commit719f835853("udp: add rehash on connect()"). Moreover, __udp4_lib_lookup() now looks for a socket immediately in the secondary hash table. The issue was found with LTP/network tests (UDP-Lite test-cases). Fixes:4cdeeee925("net: udp: prefer listeners bound to an address") Signed-off-by: Alexey Kodanev <alexey.kodanev@oracle.com> Reviewed-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
36 lines
1.2 KiB
C
36 lines
1.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _UDP4_IMPL_H
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#define _UDP4_IMPL_H
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#include <net/udp.h>
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#include <net/udplite.h>
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#include <net/protocol.h>
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#include <net/inet_common.h>
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int __udp4_lib_rcv(struct sk_buff *, struct udp_table *, int);
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int __udp4_lib_err(struct sk_buff *, u32, struct udp_table *);
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int udp_v4_get_port(struct sock *sk, unsigned short snum);
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void udp_v4_rehash(struct sock *sk);
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int udp_setsockopt(struct sock *sk, int level, int optname,
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char __user *optval, unsigned int optlen);
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int udp_getsockopt(struct sock *sk, int level, int optname,
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char __user *optval, int __user *optlen);
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#ifdef CONFIG_COMPAT
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int compat_udp_setsockopt(struct sock *sk, int level, int optname,
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char __user *optval, unsigned int optlen);
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int compat_udp_getsockopt(struct sock *sk, int level, int optname,
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char __user *optval, int __user *optlen);
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#endif
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int udp_recvmsg(struct sock *sk, struct msghdr *msg, size_t len, int noblock,
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int flags, int *addr_len);
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int udp_sendpage(struct sock *sk, struct page *page, int offset, size_t size,
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int flags);
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void udp_destroy_sock(struct sock *sk);
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#ifdef CONFIG_PROC_FS
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int udp4_seq_show(struct seq_file *seq, void *v);
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#endif
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#endif /* _UDP4_IMPL_H */
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