net/smc: CLC header fields renaming
SMCD version 2 defines 2 more bits in the CLC header to specify
version 2 types. This patch prepares better naming of the CLC
header fields. No functional change.
Signed-off-by: Ursula Braun <ubraun@linux.ibm.com>
Signed-off-by: Karsten Graul <kgraul@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/smc/smc_clc.h b/net/smc/smc_clc.h
index fcd8521..5b2d058 100644
--- a/net/smc/smc_clc.h
+++ b/net/smc/smc_clc.h
@@ -54,19 +54,19 @@
#define SMC_CLC_DECL_ERR_RDYLNK 0x09990002 /* ib ready link failed */
#define SMC_CLC_DECL_ERR_REGRMB 0x09990003 /* reg rmb failed */
+#define SMC_FIRST_CONTACT_MASK 0b10 /* first contact bit within typev2 */
+
struct smc_clc_msg_hdr { /* header1 of clc messages */
u8 eyecatcher[4]; /* eye catcher */
u8 type; /* proposal / accept / confirm / decline */
__be16 length;
#if defined(__BIG_ENDIAN_BITFIELD)
u8 version : 4,
- flag : 1,
- rsvd : 1,
- path : 2;
+ typev2 : 2,
+ typev1 : 2;
#elif defined(__LITTLE_ENDIAN_BITFIELD)
- u8 path : 2,
- rsvd : 1,
- flag : 1,
+ u8 typev1 : 2,
+ typev2 : 2,
version : 4;
#endif
} __packed; /* format defined in RFC7609 */