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net/smc: fallback to TCP after connect problems 

Correct the CLC decline reason codes for internal problems to not have
the sign bit set, negative reason codes are interpreted as not eligible
for TCP fallback.

Signed-off-by: Karsten Graul <kgraul@linux.ibm.com>
Signed-off-by: Ursula Braun <ubraun@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Karsten Graul 2019-04-12 12:57:24 +02:00 committed by David S. Miller
parent 50717a37db
commit 4ada81fddf
1 changed files with 4 additions and 4 deletions
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8
net/smc/smc_clc.h
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@ -40,10 +40,10 @@
#define SMC_CLC_DECL_OPTUNSUPP 0x03060000 /* fastopen sockopt not supported */ #define SMC_CLC_DECL_OPTUNSUPP 0x03060000 /* fastopen sockopt not supported */
#define SMC_CLC_DECL_SYNCERR 0x04000000 /* synchronization error */ #define SMC_CLC_DECL_SYNCERR 0x04000000 /* synchronization error */
#define SMC_CLC_DECL_PEERDECL 0x05000000 /* peer declined during handshake */ #define SMC_CLC_DECL_PEERDECL 0x05000000 /* peer declined during handshake */
#define SMC_CLC_DECL_INTERR 0x99990000 /* internal error */ #define SMC_CLC_DECL_INTERR 0x09990000 /* internal error */
#define SMC_CLC_DECL_ERR_RTOK 0x99990001 /* rtoken handling failed */ #define SMC_CLC_DECL_ERR_RTOK 0x09990001 /* rtoken handling failed */
#define SMC_CLC_DECL_ERR_RDYLNK 0x99990002 /* ib ready link failed */ #define SMC_CLC_DECL_ERR_RDYLNK 0x09990002 /* ib ready link failed */
#define SMC_CLC_DECL_ERR_REGRMB 0x99990003 /* reg rmb failed */ #define SMC_CLC_DECL_ERR_REGRMB 0x09990003 /* reg rmb failed */
struct smc_clc_msg_hdr { /* header1 of clc messages */ struct smc_clc_msg_hdr { /* header1 of clc messages */
u8 eyecatcher[4]; /* eye catcher */ u8 eyecatcher[4]; /* eye catcher */