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authorKarsten Graul <kgraul@linux.ibm.com>2021-09-14 10:35:05 +0200
committerDavid S. Miller <davem@davemloft.net>2021-09-14 12:49:10 +0100
commitfa0866625543b4d8b3d026e4e0ef5ec25a453920 (patch)
treed272a11bf2f511b76c1f74251d53fa4482e0878f /net/smc/smc_clc.h
parentf787e3cfeaa62fba8077ae6b0087d12122ea7af8 (diff)
net/smc: add support for user defined EIDs
SMC-Dv2 allows users to define EIDs which allows to create separate name spaces enabling users to cluster their SMC-Dv2 connections. Add support for user defined EIDs and extent the generic netlink interface so users can add, remove and dump EIDs. Signed-off-by: Karsten Graul <kgraul@linux.ibm.com> Reviewed-by: Guvenc Gulce <guvenc@linux.ibm.com> Signed-off-by: Guvenc Gulce <guvenc@linux.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/smc/smc_clc.h')
-rw-r--r--net/smc/smc_clc.h16
1 files changed, 14 insertions, 2 deletions
diff --git a/net/smc/smc_clc.h b/net/smc/smc_clc.h
index 32d37f7b70f2..0699e0cee308 100644
--- a/net/smc/smc_clc.h
+++ b/net/smc/smc_clc.h
@@ -14,8 +14,10 @@
#define _SMC_CLC_H
#include <rdma/ib_verbs.h>
+#include <linux/smc.h>
#include "smc.h"
+#include "smc_netlink.h"
#define SMC_CLC_PROPOSAL 0x01
#define SMC_CLC_ACCEPT 0x02
@@ -158,6 +160,7 @@ struct smc_clc_msg_proposal { /* clc proposal message sent by Linux */
} __aligned(4);
#define SMC_CLC_MAX_V6_PREFIX 8
+#define SMC_CLC_MAX_UEID 8
struct smc_clc_msg_proposal_area {
struct smc_clc_msg_proposal pclc_base;
@@ -165,6 +168,7 @@ struct smc_clc_msg_proposal_area {
struct smc_clc_msg_proposal_prefix pclc_prfx;
struct smc_clc_ipv6_prefix pclc_prfx_ipv6[SMC_CLC_MAX_V6_PREFIX];
struct smc_clc_v2_extension pclc_v2_ext;
+ u8 user_eids[SMC_CLC_MAX_UEID][SMC_MAX_EID_LEN];
struct smc_clc_smcd_v2_extension pclc_smcd_v2_ext;
struct smc_clc_smcd_gid_chid pclc_gidchids[SMC_MAX_ISM_DEVS];
struct smc_clc_msg_trail pclc_trl;
@@ -330,10 +334,18 @@ int smc_clc_wait_msg(struct smc_sock *smc, void *buf, int buflen,
int smc_clc_send_decline(struct smc_sock *smc, u32 peer_diag_info, u8 version);
int smc_clc_send_proposal(struct smc_sock *smc, struct smc_init_info *ini);
int smc_clc_send_confirm(struct smc_sock *smc, bool clnt_first_contact,
- u8 version);
+ u8 version, u8 *eid);
int smc_clc_send_accept(struct smc_sock *smc, bool srv_first_contact,
- u8 version);
+ u8 version, u8 *negotiated_eid);
void smc_clc_init(void) __init;
+void smc_clc_exit(void);
void smc_clc_get_hostname(u8 **host);
+bool smc_clc_match_eid(u8 *negotiated_eid,
+ struct smc_clc_v2_extension *smc_v2_ext,
+ u8 *peer_eid, u8 *local_eid);
+int smc_nl_dump_ueid(struct sk_buff *skb, struct netlink_callback *cb);
+int smc_nl_add_ueid(struct sk_buff *skb, struct genl_info *info);
+int smc_nl_remove_ueid(struct sk_buff *skb, struct genl_info *info);
+int smc_nl_flush_ueid(struct sk_buff *skb, struct genl_info *info);
#endif