This patch enables the first supplement feature of SMCv2.1, that
is the support for virtual ISM devices.
Signed-off-by: Wen Gu <guwen@xxxxxxxxxxxxxxxxx>
---
net/smc/af_smc.c | 2 ++
net/smc/smc.h | 7 +++++++
2 files changed, 9 insertions(+)
diff --git a/net/smc/af_smc.c b/net/smc/af_smc.c
index 9e31033..7eab600 100644
--- a/net/smc/af_smc.c
+++ b/net/smc/af_smc.c
@@ -1522,6 +1522,7 @@ static int __smc_connect(struct smc_sock *smc)
ini->smcr_version = SMC_V1 | SMC_V2;
ini->smc_type_v1 = SMC_TYPE_B;
ini->smc_type_v2 = SMC_TYPE_B;
+ ini->feature_mask = SMC_FEATURE_MASK;
/* get vlan id from IP device */
if (smc_vlan_by_tcpsk(smc->clcsock, ini)) {
@@ -1987,6 +1988,7 @@ static int smc_listen_v2_check(struct smc_sock *new_smc,
ini->smc_type_v2 = pclc->hdr.typev2;
ini->smcd_version = smcd_indicated(ini->smc_type_v1) ? SMC_V1 : 0;
ini->smcr_version = smcr_indicated(ini->smc_type_v1) ? SMC_V1 : 0;
+ ini->feature_mask = SMC_FEATURE_MASK;
if (pclc->hdr.version > SMC_V1) {
if (smcd_indicated(ini->smc_type_v2))
ini->smcd_version |= SMC_V2;
diff --git a/net/smc/smc.h b/net/smc/smc.h
index 24745fd..71b9640 100644
--- a/net/smc/smc.h
+++ b/net/smc/smc.h
@@ -58,6 +58,13 @@ enum smc_state { /* possible states of an SMC socket */
SMC_PROCESSABORT = 27,
};
+enum smc_supp_feature { /* supplemental features supported by current version */
+ SMC_SPF_VIRT_ISM_DEV = 0,
+};
+
+#define SMC_FEATURE_MASK \
+ (BIT(SMC_SPF_VIRT_ISM_DEV))
+
struct smc_link_group;
struct smc_wr_rx_hdr { /* common prefix part of LLC and CDC to demultiplex */
--
1.8.3.1
