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authorUrsula Braun <ubraun@linux.ibm.com>2020-09-10 18:48:23 +0200
committerDavid S. Miller <davem@davemloft.net>2020-09-10 15:24:26 -0700
commit3d9725a6a1330bed78f452ba3b171b24d9b83ac7 (patch)
tree898431ec500dbecd31a3ff6763f28c1c7dae785d /net/smc/af_smc.c
parent6bb14e48ee8d8ec23d191fd91de33f09da1ecce4 (diff)
net/smc: common routine for CLC accept and confirm
smc_clc_send_accept() and smc_clc_send_confirm() are quite similar. Move common code into a separate function smc_clc_send_confirm_accept(). And introduce separate SMCD and SMCR struct definitions for CLC accept resp. confirm. 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>
Diffstat (limited to 'net/smc/af_smc.c')
-rw-r--r--net/smc/af_smc.c36
1 files changed, 19 insertions, 17 deletions
diff --git a/net/smc/af_smc.c b/net/smc/af_smc.c
index 00e2a4ce0131..fa97144690e0 100644
--- a/net/smc/af_smc.c
+++ b/net/smc/af_smc.c
@@ -436,10 +436,10 @@ static int smcr_clnt_conf_first_link(struct smc_sock *smc)
static void smcr_conn_save_peer_info(struct smc_sock *smc,
struct smc_clc_msg_accept_confirm *clc)
{
- int bufsize = smc_uncompress_bufsize(clc->rmbe_size);
+ int bufsize = smc_uncompress_bufsize(clc->r0.rmbe_size);
- smc->conn.peer_rmbe_idx = clc->rmbe_idx;
- smc->conn.local_tx_ctrl.token = ntohl(clc->rmbe_alert_token);
+ smc->conn.peer_rmbe_idx = clc->r0.rmbe_idx;
+ smc->conn.local_tx_ctrl.token = ntohl(clc->r0.rmbe_alert_token);
smc->conn.peer_rmbe_size = bufsize;
atomic_set(&smc->conn.peer_rmbe_space, smc->conn.peer_rmbe_size);
smc->conn.tx_off = bufsize * (smc->conn.peer_rmbe_idx - 1);
@@ -448,10 +448,10 @@ static void smcr_conn_save_peer_info(struct smc_sock *smc,
static void smcd_conn_save_peer_info(struct smc_sock *smc,
struct smc_clc_msg_accept_confirm *clc)
{
- int bufsize = smc_uncompress_bufsize(clc->dmbe_size);
+ int bufsize = smc_uncompress_bufsize(clc->d0.dmbe_size);
- smc->conn.peer_rmbe_idx = clc->dmbe_idx;
- smc->conn.peer_token = clc->token;
+ smc->conn.peer_rmbe_idx = clc->d0.dmbe_idx;
+ smc->conn.peer_token = clc->d0.token;
/* msg header takes up space in the buffer */
smc->conn.peer_rmbe_size = bufsize - sizeof(struct smcd_cdc_msg);
atomic_set(&smc->conn.peer_rmbe_space, smc->conn.peer_rmbe_size);
@@ -470,11 +470,11 @@ static void smc_conn_save_peer_info(struct smc_sock *smc,
static void smc_link_save_peer_info(struct smc_link *link,
struct smc_clc_msg_accept_confirm *clc)
{
- link->peer_qpn = ntoh24(clc->qpn);
- memcpy(link->peer_gid, clc->lcl.gid, SMC_GID_SIZE);
- memcpy(link->peer_mac, clc->lcl.mac, sizeof(link->peer_mac));
- link->peer_psn = ntoh24(clc->psn);
- link->peer_mtu = clc->qp_mtu;
+ link->peer_qpn = ntoh24(clc->r0.qpn);
+ memcpy(link->peer_gid, clc->r0.lcl.gid, SMC_GID_SIZE);
+ memcpy(link->peer_mac, clc->r0.lcl.mac, sizeof(link->peer_mac));
+ link->peer_psn = ntoh24(clc->r0.psn);
+ link->peer_mtu = clc->r0.qp_mtu;
}
static void smc_switch_to_fallback(struct smc_sock *smc)
@@ -613,8 +613,8 @@ static int smc_connect_rdma(struct smc_sock *smc,
struct smc_link *link;
ini->is_smcd = false;
- ini->ib_lcl = &aclc->lcl;
- ini->ib_clcqpn = ntoh24(aclc->qpn);
+ ini->ib_lcl = &aclc->r0.lcl;
+ ini->ib_clcqpn = ntoh24(aclc->r0.qpn);
ini->first_contact_peer = aclc->hdr.flag;
mutex_lock(&smc_client_lgr_pending);
@@ -634,9 +634,11 @@ static int smc_connect_rdma(struct smc_sock *smc,
for (i = 0; i < SMC_LINKS_PER_LGR_MAX; i++) {
struct smc_link *l = &smc->conn.lgr->lnk[i];
- if (l->peer_qpn == ntoh24(aclc->qpn) &&
- !memcmp(l->peer_gid, &aclc->lcl.gid, SMC_GID_SIZE) &&
- !memcmp(l->peer_mac, &aclc->lcl.mac, sizeof(l->peer_mac))) {
+ if (l->peer_qpn == ntoh24(aclc->r0.qpn) &&
+ !memcmp(l->peer_gid, &aclc->r0.lcl.gid,
+ SMC_GID_SIZE) &&
+ !memcmp(l->peer_mac, &aclc->r0.lcl.mac,
+ sizeof(l->peer_mac))) {
link = l;
break;
}
@@ -707,7 +709,7 @@ static int smc_connect_ism(struct smc_sock *smc,
int rc = 0;
ini->is_smcd = true;
- ini->ism_peer_gid = aclc->gid;
+ ini->ism_peer_gid = aclc->d0.gid;
ini->first_contact_peer = aclc->hdr.flag;
/* there is only one lgr role for SMC-D; use server lock */