File net-smc-add-netlink-support-for-SMC-Rv2 of Package linux-glibc-devel

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File net-smc-add-netlink-support-for-SMC-Rv2 of Package linux-glibc-devel

From: Karsten Graul <kgraul@linux.ibm.com>
Date: Sat, 16 Oct 2021 11:37:51 +0200
Subject: net/smc: add netlink support for SMC-Rv2
Git-commit: b0539f5eddc2eefd24378bda3ee9cbbca916f58d
Patch-mainline: v5.16-rc1
References: jsc#SLE-18331

Implement the netlink support for SMC-Rv2 related attributes that are
provided to user space.

Signed-off-by: Karsten Graul <kgraul@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
 include/uapi/linux/smc.h |   17 +++++++-
 net/smc/smc_core.c       |   98 +++++++++++++++++++++++++++++++++++------------
 2 files changed, 88 insertions(+), 27 deletions(-)

--- a/include/linux/smc.h
+++ b/include/linux/smc.h
@@ -84,17 +84,28 @@ enum {
 	SMC_NLA_SYS_IS_ISM_V2,		/* u8 */
 	SMC_NLA_SYS_LOCAL_HOST,		/* string */
 	SMC_NLA_SYS_SEID,		/* string */
+	SMC_NLA_SYS_IS_SMCR_V2,		/* u8 */
 	__SMC_NLA_SYS_MAX,
 	SMC_NLA_SYS_MAX = __SMC_NLA_SYS_MAX - 1
 };
 
-/* SMC_NLA_LGR_V2 nested attributes */
+/* SMC_NLA_LGR_D_V2_COMMON and SMC_NLA_LGR_R_V2_COMMON nested attributes */
 enum {
 	SMC_NLA_LGR_V2_VER,		/* u8 */
 	SMC_NLA_LGR_V2_REL,		/* u8 */
 	SMC_NLA_LGR_V2_OS,		/* u8 */
 	SMC_NLA_LGR_V2_NEG_EID,		/* string */
 	SMC_NLA_LGR_V2_PEER_HOST,	/* string */
+	__SMC_NLA_LGR_V2_MAX,
+	SMC_NLA_LGR_V2_MAX = __SMC_NLA_LGR_V2_MAX - 1
+};
+
+/* SMC_NLA_LGR_R_V2 nested attributes */
+enum {
+	SMC_NLA_LGR_R_V2_UNSPEC,
+	SMC_NLA_LGR_R_V2_DIRECT,	/* u8 */
+	__SMC_NLA_LGR_R_V2_MAX,
+	SMC_NLA_LGR_R_V2_MAX = __SMC_NLA_LGR_R_V2_MAX - 1
 };
 
 /* SMC_GEN_LGR_SMCR attributes */
@@ -106,6 +117,8 @@ enum {
 	SMC_NLA_LGR_R_PNETID,		/* string */
 	SMC_NLA_LGR_R_VLAN_ID,		/* u8 */
 	SMC_NLA_LGR_R_CONNS_NUM,	/* u32 */
+	SMC_NLA_LGR_R_V2_COMMON,	/* nest */
+	SMC_NLA_LGR_R_V2,		/* nest */
 	__SMC_NLA_LGR_R_MAX,
 	SMC_NLA_LGR_R_MAX = __SMC_NLA_LGR_R_MAX - 1
 };
@@ -138,7 +151,7 @@ enum {
 	SMC_NLA_LGR_D_PNETID,		/* string */
 	SMC_NLA_LGR_D_CHID,		/* u16 */
 	SMC_NLA_LGR_D_PAD,		/* flag */
-	SMC_NLA_LGR_V2,			/* nest */
+	SMC_NLA_LGR_D_V2_COMMON,	/* nest */
 	__SMC_NLA_LGR_D_MAX,
 	SMC_NLA_LGR_D_MAX = __SMC_NLA_LGR_D_MAX - 1
 };

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