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lxindavem330
lxin
authored and
davem330
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sctp: add the sctp_diag.c file
This one will implement all the interface of inet_diag, inet_diag_handler. which includes sctp_diag_dump, sctp_diag_dump_one and sctp_diag_get_info. It will work as a module, and register inet_diag_handler when loading. v2->v3: - fix the mistake in inet_assoc_attr_size(). - change inet_diag_msg_laddrs_fill() name to inet_diag_msg_sctpladdrs_fill. - change inet_diag_msg_paddrs_fill() name to inet_diag_msg_sctpaddrs_fill. - add inet_diag_msg_sctpinfo_fill() to make asoc/ep fill code clearer. - add inet_diag_msg_sctpasoc_fill() to make asoc fill code clearer. - merge inet_asoc_diag_fill() and inet_ep_diag_fill() to inet_sctp_diag_fill(). - call sctp_diag_get_info() directly, instead by handler, cause the caller is in the same file with it. - call lock_sock in sctp_tsp_dump_one() to make sure we call get sctp info safely. - after lock_sock(sk), we should check sk != assoc->base.sk. - change mem[SK_MEMINFO_WMEM_ALLOC] to asoc->sndbuf_used for asoc dump when asoc->ep->sndbuf_policy is set. don't use INET_DIAG_MEMINFO attr any more. Signed-off-by: Xin Long <[email protected]> Signed-off-by: David S. Miller <[email protected]>
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‎include/uapi/linux/inet_diag.h‎

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@@ -113,6 +113,8 @@ enum {
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INET_DIAG_DCTCPINFO,
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INET_DIAG_PROTOCOL, /* response attribute only */
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INET_DIAG_SKV6ONLY,
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INET_DIAG_LOCALS,
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INET_DIAG_PEERS,
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};
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#define INET_DIAG_MAX INET_DIAG_SKV6ONLY

‎net/sctp/Kconfig‎

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@@ -99,5 +99,9 @@ config SCTP_COOKIE_HMAC_SHA1
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select CRYPTO_HMAC if SCTP_COOKIE_HMAC_SHA1
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select CRYPTO_SHA1 if SCTP_COOKIE_HMAC_SHA1
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config INET_SCTP_DIAG
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depends on INET_DIAG
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def_tristate INET_DIAG
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endif # IP_SCTP

‎net/sctp/Makefile‎

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@@ -4,6 +4,7 @@
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obj-$(CONFIG_IP_SCTP) += sctp.o
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obj-$(CONFIG_NET_SCTPPROBE) += sctp_probe.o
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obj-$(CONFIG_INET_SCTP_DIAG) += sctp_diag.o
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sctp-y := sm_statetable.o sm_statefuns.o sm_sideeffect.o \
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protocol.o endpointola.o associola.o \

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