net/smc: provide fallback reason code

Remember the fallback reason code and the peer diagnosis code for smc sockets, and provide them in smc_diag.c to the netlink interface. And add more detailed reason codes.

Karsten Graul committed 8 years ago

Commit 603cc141 parent 7005ada6 files · +61 −29Browse files

Showing the changes to include/uapi/linux (1 of 6 files). Show all

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include/uapi/linux/smc_diag.h+6−0

@@ -43,6 +43,7 @@ enum { · 42 unmodified lines
43	43	SMC_DIAG_LGRINFO,
44	44	SMC_DIAG_SHUTDOWN,
45	45	SMC_DIAG_DMBINFO,
	46	+ SMC_DIAG_FALLBACK,
46	47	__SMC_DIAG_MAX,
47	48	};
48	49
@@ -92,6 +93,11 @@ struct smc_diag_lgrinfo { · 43 unmodified lines
92	93	__u8 role;
93	94	};
94	95
	96	+struct smc_diag_fallback {
	97	+ __u32 reason;
	98	+ __u32 peer_diagnosis;
	99	+};
	100	+
95	101	struct smcd_diag_dmbinfo { /* SMC-D Socket internals */
96	102	__u32 linkid; /* Link identifier */
97	103	__u64 peer_gid; /* Peer GID */