netdev - [PATCH net-next 11/15] bnxt_en: Add async. event logic for PHY configuration changes.

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Sat, 23 Nov 2019 03:26:06 -0500
From:   Michael Chan <michael.chan@...adcom.com>
To:     davem@...emloft.net
Cc:     netdev@...r.kernel.org
Subject: [PATCH net-next 11/15] bnxt_en: Add async. event logic for PHY configuration changes.

If the link settings have been changed by another function sharing the
port, firmware will send us an async. message.  In response, we will
call the new bnxt_init_ethtool_link_settings() function to update
the current settings.

Signed-off-by: Michael Chan <michael.chan@...adcom.com>
---
 drivers/net/ethernet/broadcom/bnxt/bnxt.c | 10 ++++++++++
 drivers/net/ethernet/broadcom/bnxt/bnxt.h |  1 +
 2 files changed, 11 insertions(+)

diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
index 1b86ba8..4b0303a 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
@@ -250,10 +250,12 @@ static const u16 bnxt_vf_req_snif[] = {
 
 static const u16 bnxt_async_events_arr[] = {
 	ASYNC_EVENT_CMPL_EVENT_ID_LINK_STATUS_CHANGE,
+	ASYNC_EVENT_CMPL_EVENT_ID_LINK_SPEED_CHANGE,
 	ASYNC_EVENT_CMPL_EVENT_ID_PF_DRVR_UNLOAD,
 	ASYNC_EVENT_CMPL_EVENT_ID_PORT_CONN_NOT_ALLOWED,
 	ASYNC_EVENT_CMPL_EVENT_ID_VF_CFG_CHANGE,
 	ASYNC_EVENT_CMPL_EVENT_ID_LINK_SPEED_CFG_CHANGE,
+	ASYNC_EVENT_CMPL_EVENT_ID_PORT_PHY_CFG_CHANGE,
 	ASYNC_EVENT_CMPL_EVENT_ID_RESET_NOTIFY,
 	ASYNC_EVENT_CMPL_EVENT_ID_ERROR_RECOVERY,
 };
@@ -1968,6 +1970,10 @@ static int bnxt_async_event_process(struct bnxt *bp,
 		set_bit(BNXT_LINK_SPEED_CHNG_SP_EVENT, &bp->sp_event);
 	}
 	/* fall through */
+	case ASYNC_EVENT_CMPL_EVENT_ID_LINK_SPEED_CHANGE:
+	case ASYNC_EVENT_CMPL_EVENT_ID_PORT_PHY_CFG_CHANGE:
+		set_bit(BNXT_LINK_CFG_CHANGE_SP_EVENT, &bp->sp_event);
+		/* fall through */
 	case ASYNC_EVENT_CMPL_EVENT_ID_LINK_STATUS_CHANGE:
 		set_bit(BNXT_LINK_CHNG_SP_EVENT, &bp->sp_event);
 		break;
@@ -10324,6 +10330,10 @@ static void bnxt_sp_task(struct work_struct *work)
 				       &bp->sp_event))
 			bnxt_hwrm_phy_qcaps(bp);
 
+		if (test_and_clear_bit(BNXT_LINK_CFG_CHANGE_SP_EVENT,
+				       &bp->sp_event))
+			bnxt_init_ethtool_link_settings(bp);
+
 		rc = bnxt_update_link(bp, true);
 		mutex_unlock(&bp->link_lock);
 		if (rc)
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.h b/drivers/net/ethernet/broadcom/bnxt/bnxt.h
index 94c8a92..cab1703 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.h
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.h
@@ -1763,6 +1763,7 @@ struct bnxt {
 #define BNXT_RING_COAL_NOW_SP_EVENT	17
 #define BNXT_FW_RESET_NOTIFY_SP_EVENT	18
 #define BNXT_FW_EXCEPTION_SP_EVENT	19
+#define BNXT_LINK_CFG_CHANGE_SP_EVENT	21
 
 	struct delayed_work	fw_reset_task;
 	int			fw_reset_state;
-- 
2.5.1