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Diffstat (limited to 'net/smc/smc_clc.c')
-rw-r--r--net/smc/smc_clc.c43
1 files changed, 32 insertions, 11 deletions
diff --git a/net/smc/smc_clc.c b/net/smc/smc_clc.c
index 900d307c17a9..b43be3cafdcc 100644
--- a/net/smc/smc_clc.c
+++ b/net/smc/smc_clc.c
@@ -883,11 +883,13 @@ int smc_clc_send_proposal(struct smc_sock *smc, struct smc_init_info *ini)
ETH_ALEN);
}
if (smcd_indicated(ini->smc_type_v1)) {
+ struct smcd_gid smcd_gid;
+
/* add SMC-D specifics */
if (ini->ism_dev[0]) {
smcd = ini->ism_dev[0];
- pclc_smcd->ism.gid =
- htonll(smcd->ops->get_local_gid(smcd));
+ smcd->ops->get_local_gid(smcd, &smcd_gid);
+ pclc_smcd->ism.gid = htonll(smcd_gid.gid);
pclc_smcd->ism.chid =
htons(smc_ism_get_chid(ini->ism_dev[0]));
}
@@ -920,10 +922,11 @@ int smc_clc_send_proposal(struct smc_sock *smc, struct smc_init_info *ini)
read_unlock(&smc_clc_eid_table.lock);
}
if (smcd_indicated(ini->smc_type_v2)) {
+ struct smcd_gid smcd_gid;
u8 *eid = NULL;
+ int entry = 0;
v2_ext->hdr.flag.seid = smc_clc_eid_table.seid_enabled;
- v2_ext->hdr.ism_gid_cnt = ini->ism_offered_cnt;
v2_ext->hdr.smcd_v2_ext_offset = htons(sizeof(*v2_ext) -
offsetofend(struct smc_clnt_opts_area_hdr,
smcd_v2_ext_offset) +
@@ -935,14 +938,26 @@ int smc_clc_send_proposal(struct smc_sock *smc, struct smc_init_info *ini)
if (ini->ism_offered_cnt) {
for (i = 1; i <= ini->ism_offered_cnt; i++) {
smcd = ini->ism_dev[i];
- gidchids[i - 1].gid =
- htonll(smcd->ops->get_local_gid(smcd));
- gidchids[i - 1].chid =
+ smcd->ops->get_local_gid(smcd, &smcd_gid);
+ gidchids[entry].chid =
htons(smc_ism_get_chid(ini->ism_dev[i]));
+ gidchids[entry].gid = htonll(smcd_gid.gid);
+ if (smc_ism_is_virtual(smcd)) {
+ /* a virtual ISM device takes two
+ * entries. CHID of the second entry
+ * repeats that of the first entry.
+ */
+ gidchids[entry + 1].chid =
+ gidchids[entry].chid;
+ gidchids[entry + 1].gid =
+ htonll(smcd_gid.gid_ext);
+ entry++;
+ }
+ entry++;
}
- plen += ini->ism_offered_cnt *
- sizeof(struct smc_clc_smcd_gid_chid);
+ plen += entry * sizeof(struct smc_clc_smcd_gid_chid);
}
+ v2_ext->hdr.ism_gid_cnt = entry;
}
if (smcr_indicated(ini->smc_type_v2)) {
memcpy(v2_ext->roce, ini->smcrv2.ib_gid_v2, SMC_GID_SIZE);
@@ -978,7 +993,7 @@ int smc_clc_send_proposal(struct smc_sock *smc, struct smc_init_info *ini)
vec[i++].iov_len = sizeof(*smcd_v2_ext);
if (ini->ism_offered_cnt) {
vec[i].iov_base = gidchids;
- vec[i++].iov_len = ini->ism_offered_cnt *
+ vec[i++].iov_len = v2_ext->hdr.ism_gid_cnt *
sizeof(struct smc_clc_smcd_gid_chid);
}
}
@@ -1009,13 +1024,16 @@ smcd_clc_prep_confirm_accept(struct smc_connection *conn,
struct smc_clc_msg_trail *trl)
{
struct smcd_dev *smcd = conn->lgr->smcd;
+ struct smcd_gid smcd_gid;
+ u16 chid;
int len;
/* SMC-D specific settings */
memcpy(clc->hdr.eyecatcher, SMCD_EYECATCHER,
sizeof(SMCD_EYECATCHER));
+ smcd->ops->get_local_gid(smcd, &smcd_gid);
clc->hdr.typev1 = SMC_TYPE_D;
- clc->d0.gid = htonll(smcd->ops->get_local_gid(smcd));
+ clc->d0.gid = htonll(smcd_gid.gid);
clc->d0.token = htonll(conn->rmb_desc->token);
clc->d0.dmbe_size = conn->rmbe_size_comp;
clc->d0.dmbe_idx = 0;
@@ -1023,9 +1041,12 @@ smcd_clc_prep_confirm_accept(struct smc_connection *conn,
if (version == SMC_V1) {
clc->hdr.length = htons(SMCD_CLC_ACCEPT_CONFIRM_LEN);
} else {
- clc->d1.chid = htons(smc_ism_get_chid(smcd));
+ chid = smc_ism_get_chid(smcd);
+ clc->d1.chid = htons(chid);
if (eid && eid[0])
memcpy(clc->d1.eid, eid, SMC_MAX_EID_LEN);
+ if (__smc_ism_is_virtual(chid))
+ clc->d1.gid_ext = htonll(smcd_gid.gid_ext);
len = SMCD_CLC_ACCEPT_CONFIRM_LEN_V2;
if (first_contact) {
*fce_len = smc_clc_fill_fce_v2x(fce_v2x, ini);