xiaomi-sm8450/android_kernel_xiaomi_sm8450
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کد مسائل تقاضاهای واکشی Actions Packages پروژه‌ها انتشارها دانشنامه فعالیت

net/smc: improve delete link processing

فهرست منبع 
Send an orderly DELETE LINK request before termination of a link group,
add support for client triggered DELETE LINK processing. And send a
disorderly DELETE LINK before module is unloaded.

Signed-off-by: Karsten Graul <kgraul@linux.ibm.com>
Signed-off-by: Ursula Braun <ubraun@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Karsten Graul
2018-07-25 16:35:33 +02:00
کامیت شده توسط David S. Miller
والد 603cc14984
کامیت 0d18a0cb4b
5فایلهای تغییر یافته به همراه68 افزوده شده و 23 حذف شده
دانلود پرونده وصله دانلود فایل تغییرات diff Expand all files Collapse all files

30
net/smc/smc_llc.c
مشاهده پرونده

@@ -278,7 +278,7 @@ int smc_llc_send_add_link(struct smc_link *link, u8 mac[], u8 gid[],
/* prepare a delete link message */
static void smc_llc_prep_delete_link(struct smc_llc_msg_del_link *delllc,
struct smc_link *link,
enum smc_llc_reqresp reqresp)
enum smc_llc_reqresp reqresp, bool orderly)
{
memset(delllc, 0, sizeof(*delllc));
delllc->hd.common.type = SMC_LLC_DELETE_LINK;
@@ -287,13 +287,14 @@ static void smc_llc_prep_delete_link(struct smc_llc_msg_del_link *delllc,
delllc->hd.flags |= SMC_LLC_FLAG_RESP;
/* DEL_LINK_ALL because only 1 link supported */
delllc->hd.flags |= SMC_LLC_FLAG_DEL_LINK_ALL;
delllc->hd.flags |= SMC_LLC_FLAG_DEL_LINK_ORDERLY;
if (orderly)
delllc->hd.flags |= SMC_LLC_FLAG_DEL_LINK_ORDERLY;
delllc->link_num = link->link_id;
}
/* send DELETE LINK request or response */
int smc_llc_send_delete_link(struct smc_link *link,
enum smc_llc_reqresp reqresp)
enum smc_llc_reqresp reqresp, bool orderly)
{
struct smc_llc_msg_del_link *delllc;
struct smc_wr_tx_pend_priv *pend;
@@ -304,7 +305,7 @@ int smc_llc_send_delete_link(struct smc_link *link,
if (rc)
return rc;
delllc = (struct smc_llc_msg_del_link *)wr_buf;
smc_llc_prep_delete_link(delllc, link, reqresp);
smc_llc_prep_delete_link(delllc, link, reqresp, orderly);
/* send llc message */
rc = smc_wr_tx_send(link, pend);
return rc;
@@ -438,17 +439,19 @@ static void smc_llc_rx_delete_link(struct smc_link *link,
if (llc->hd.flags & SMC_LLC_FLAG_RESP) {
if (lgr->role == SMC_SERV)
smc_lgr_terminate(lgr);
smc_lgr_schedule_free_work_fast(lgr);
} else {
smc_lgr_forget(lgr);
smc_llc_link_deleting(link);
if (lgr->role == SMC_SERV) {
smc_lgr_forget(lgr);
smc_llc_prep_delete_link(llc, link, SMC_LLC_REQ);
smc_llc_send_message(link, llc, sizeof(*llc));
/* client asks to delete this link, send request */
smc_llc_prep_delete_link(llc, link, SMC_LLC_REQ, true);
} else {
smc_llc_prep_delete_link(llc, link, SMC_LLC_RESP);
smc_llc_send_message(link, llc, sizeof(*llc));
smc_lgr_terminate(lgr);
/* server requests to delete this link, send response */
smc_llc_prep_delete_link(llc, link, SMC_LLC_RESP, true);
}
smc_llc_send_message(link, llc, sizeof(*llc));
smc_lgr_schedule_free_work_fast(lgr);
}
}
@@ -622,6 +625,11 @@ void smc_llc_link_active(struct smc_link *link, int testlink_time)
}
}
void smc_llc_link_deleting(struct smc_link *link)
{
link->state = SMC_LNK_DELETING;
}
/* called in tasklet context */
void smc_llc_link_inactive(struct smc_link *link)
{