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authorUrsula Braun <ubraun@linux.vnet.ibm.com>2017-07-28 13:56:16 +0200
committerDavid S. Miller <davem@davemloft.net>2017-07-29 11:22:58 -0700
commit897e1c245773d93f26f125a99674f585a3aeef5d (patch)
tree9b41a96c8e1ee830f411d263556997bf6388dc53 /net/smc/smc_clc.c
parenta3fe3d01bd0d7cd6ee7a5e3eebc0926c47954fe7 (diff)
net/smc: use separate memory regions for RMBs
SMC currently uses the unsafe_global_rkey of the protection domain, which exposes all memory for remote reads and writes once a connection is established. This patch introduces separate memory regions with separate rkeys for every RMB. Now the unsafe_global_rkey of the protection domain is no longer needed. Signed-off-by: Ursula Braun <ubraun@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/smc/smc_clc.c')
-rw-r--r--net/smc/smc_clc.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/net/smc/smc_clc.c b/net/smc/smc_clc.c
index 15cb76019009..3934913ab835 100644
--- a/net/smc/smc_clc.c
+++ b/net/smc/smc_clc.c
@@ -204,7 +204,7 @@ int smc_clc_send_confirm(struct smc_sock *smc)
memcpy(&cclc.lcl.mac, &link->smcibdev->mac[link->ibport - 1], ETH_ALEN);
hton24(cclc.qpn, link->roce_qp->qp_num);
cclc.rmb_rkey =
- htonl(link->roce_pd->unsafe_global_rkey);
+ htonl(conn->rmb_desc->mr_rx[SMC_SINGLE_LINK]->rkey);
cclc.conn_idx = 1; /* for now: 1 RMB = 1 RMBE */
cclc.rmbe_alert_token = htonl(conn->alert_token_local);
cclc.qp_mtu = min(link->path_mtu, link->peer_mtu);
@@ -256,7 +256,7 @@ int smc_clc_send_accept(struct smc_sock *new_smc, int srv_first_contact)
memcpy(&aclc.lcl.mac, link->smcibdev->mac[link->ibport - 1], ETH_ALEN);
hton24(aclc.qpn, link->roce_qp->qp_num);
aclc.rmb_rkey =
- htonl(link->roce_pd->unsafe_global_rkey);
+ htonl(conn->rmb_desc->mr_rx[SMC_SINGLE_LINK]->rkey);
aclc.conn_idx = 1; /* as long as 1 RMB = 1 RMBE */
aclc.rmbe_alert_token = htonl(conn->alert_token_local);
aclc.qp_mtu = link->path_mtu;