diff mbox series

[net-next,v3,3/7] net/smc: introduce virtual ISM device support feature

Message ID 1701343695-122657-4-git-send-email-guwen@linux.alibaba.com (mailing list archive)
State Superseded
Delegated to: Netdev Maintainers
Headers show
Series net/smc: implement SMCv2.1 virtual ISM device support | expand

Checks

Context Check Description
netdev/series_format success Posting correctly formatted
netdev/tree_selection success Clearly marked for net-next
netdev/ynl success Generated files up to date; no warnings/errors;
netdev/fixes_present success Fixes tag not required for -next series
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 1115 this patch: 1115
netdev/cc_maintainers success CCed 11 of 11 maintainers
netdev/build_clang success Errors and warnings before: 1142 this patch: 1142
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/deprecated_api success None detected
netdev/check_selftest success No net selftest shell script
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 1142 this patch: 1142
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 29 lines checked
netdev/build_clang_rust success No Rust files in patch. Skipping build
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0

Commit Message

Wen Gu Nov. 30, 2023, 11:28 a.m. UTC 
This introduces virtual ISM device support feature to SMCv2.1 as the
first supplemental feature.

Signed-off-by: Wen Gu <guwen@linux.alibaba.com>
---
 net/smc/af_smc.c | 2 ++
 net/smc/smc.h    | 9 ++++++---
 2 files changed, 8 insertions(+), 3 deletions(-)
diff mbox series

Patch

diff --git a/net/smc/af_smc.c b/net/smc/af_smc.c
index c61666e..766a1f1 100644
--- a/net/smc/af_smc.c
+++ b/net/smc/af_smc.c
@@ -1520,6 +1520,7 @@  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)) {
@@ -1985,6 +1986,7 @@  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 95f56c7..0dc722b 100644
--- a/net/smc/smc.h
+++ b/net/smc/smc.h
@@ -58,9 +58,12 @@  enum smc_state {		/* possible states of an SMC socket */
 	SMC_PROCESSABORT	= 27,
 };
 
-#define SMC_FEATURE_MASK	0	/* bitmask of
-					 * supported supplemental features
-					 */
+enum smc_supplemental_features {
+	SMC_SPF_VIRT_ISM_DEV	= 0,
+};
+
+#define SMC_FEATURE_MASK \
+	(BIT(SMC_SPF_VIRT_ISM_DEV))
 
 struct smc_link_group;