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authorKarsten Graul <kgraul@linux.ibm.com>2020-04-30 16:55:50 +0300
committerDavid S. Miller <davem@davemloft.net>2020-04-30 22:44:34 +0300
commit42d18acce9e29b61f5dbfc5118d7c72093e703a1 (patch)
tree1bbea25040bf5b41a43424480e12cc4719597d3c /net
parent218b24fe381238941a06496eaf221a22c5935267 (diff)
downloadlinux-42d18acce9e29b61f5dbfc5118d7c72093e703a1.tar.xz
net/smc: remove handling of CONFIRM_RKEY_CONTINUE
The new SMC-R multiple link support will support a maximum of 3 links, and one CONFIRM_RKEY LLC message can transport 3 rkeys of an rmb buffer. There is no need for the LLC message type CONFIRM_RKEY_CONTINUE which is needed when more than 3 rkeys per rmb buffer needs to be exchanged. Signed-off-by: Karsten Graul <kgraul@linux.ibm.com> Reviewed-by: Ursula Braun <ubraun@linux.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
-rw-r--r--net/smc/smc_llc.c21
1 files changed, 4 insertions, 17 deletions
diff --git a/net/smc/smc_llc.c b/net/smc/smc_llc.c
index e458207bde9e..92c9a8a8aaf9 100644
--- a/net/smc/smc_llc.c
+++ b/net/smc/smc_llc.c
@@ -98,12 +98,6 @@ struct smc_llc_msg_confirm_rkey { /* type 0x06 */
u8 reserved;
};
-struct smc_llc_msg_confirm_rkey_cont { /* type 0x08 */
- struct smc_llc_hdr hd;
- u8 num_rkeys;
- struct smc_rmb_rtoken rtoken[SMC_LLC_RKEYS_PER_MSG];
-};
-
#define SMC_LLC_DEL_RKEY_MAX 8
#define SMC_LLC_FLAG_RKEY_RETRY 0x10
#define SMC_LLC_FLAG_RKEY_NEG 0x20
@@ -123,7 +117,6 @@ union smc_llc_msg {
struct smc_llc_msg_del_link delete_link;
struct smc_llc_msg_confirm_rkey confirm_rkey;
- struct smc_llc_msg_confirm_rkey_cont confirm_rkey_cont;
struct smc_llc_msg_delete_rkey delete_rkey;
struct smc_llc_msg_test_link test_link;
@@ -628,14 +621,6 @@ static void smc_llc_rmt_delete_rkey(struct smc_link_group *lgr)
smc_llc_flow_qentry_del(&lgr->llc_flow_rmt);
}
-static void smc_llc_rx_confirm_rkey_cont(struct smc_link *link,
- struct smc_llc_msg_confirm_rkey_cont *llc)
-{
- /* ignore rtokens for other links, we have only one link */
- llc->hd.flags |= SMC_LLC_FLAG_RESP;
- smc_llc_send_message(link, llc);
-}
-
/* flush the llc event queue */
static void smc_llc_event_flush(struct smc_link_group *lgr)
{
@@ -701,7 +686,9 @@ static void smc_llc_event_handler(struct smc_llc_qentry *qentry)
}
return;
case SMC_LLC_CONFIRM_RKEY_CONT:
- smc_llc_rx_confirm_rkey_cont(link, &llc->confirm_rkey_cont);
+ /* not used because max links is 3, and 3 rkeys fit into
+ * one CONFIRM_RKEY message
+ */
break;
case SMC_LLC_DELETE_RKEY:
/* new request from remote, assign to remote flow */
@@ -770,7 +757,7 @@ static void smc_llc_rx_response(struct smc_link *link,
smc_lgr_schedule_free_work_fast(link->lgr);
break;
case SMC_LLC_CONFIRM_RKEY_CONT:
- /* unused as long as we don't send this type of msg */
+ /* not used because max links is 3 */
break;
}
kfree(qentry);