diff mbox series

[v2,net-next,1/5] ionic: replay VF attributes after fw crash recovery

Message ID 20221025112426.8954-2-snelson@pensando.io (mailing list archive)
State Superseded
Delegated to: Netdev Maintainers
Headers show
Series ionic: VF attr replay and other updates | expand

Checks

Context Check Description
netdev/tree_selection success Clearly marked for net-next
netdev/fixes_present success Fixes tag not required for -next series
netdev/subject_prefix success Link
netdev/cover_letter success Series has a cover letter
netdev/patch_count success Link
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 0 this patch: 0
netdev/cc_maintainers warning 4 maintainers not CCed: mohamed@pensando.io edumazet@google.com brett@pensando.io pabeni@redhat.com
netdev/build_clang success Errors and warnings before: 0 this patch: 0
netdev/module_param success Was 0 now: 0
netdev/verify_signedoff success Signed-off-by tag matches author and committer
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: 0 this patch: 0
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 82 lines checked
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0

Commit Message

Shannon Nelson Oct. 25, 2022, 11:24 a.m. UTC
The VF attributes that the user has set into the FW through
the PF can be lost over a FW crash recovery.  Much like we
already replay the PF mac/vlan filters, we now add a replay
in the recovery path to be sure the FW has the up-to-date
VF configurations.

Signed-off-by: Shannon Nelson <snelson@pensando.io>
---
 .../net/ethernet/pensando/ionic/ionic_lif.c   | 70 +++++++++++++++++++
 1 file changed, 70 insertions(+)
diff mbox series

Patch

diff --git a/drivers/net/ethernet/pensando/ionic/ionic_lif.c b/drivers/net/ethernet/pensando/ionic/ionic_lif.c
index 19d4848df17d..865ee58a3b1f 100644
--- a/drivers/net/ethernet/pensando/ionic/ionic_lif.c
+++ b/drivers/net/ethernet/pensando/ionic/ionic_lif.c
@@ -2562,6 +2562,74 @@  static int ionic_set_vf_link_state(struct net_device *netdev, int vf, int set)
 	return ret;
 }
 
+static void ionic_vf_attr_replay(struct ionic_lif *lif)
+{
+	struct ionic_vf_setattr_cmd vfc = { };
+	struct ionic *ionic = lif->ionic;
+	struct ionic_vf *v;
+	int i;
+
+	if (!ionic->vfs)
+		return;
+
+	down_read(&ionic->vf_op_lock);
+
+	for (i = 0; i < ionic->num_vfs; i++) {
+		v = &ionic->vfs[i];
+
+		if (v->stats_pa) {
+			vfc.attr = IONIC_VF_ATTR_STATSADDR;
+			vfc.stats_pa = cpu_to_le64(v->stats_pa);
+			ionic_set_vf_config(ionic, i, &vfc);
+			vfc.stats_pa = 0;
+		}
+
+		if (!is_zero_ether_addr(v->macaddr)) {
+			vfc.attr = IONIC_VF_ATTR_MAC;
+			ether_addr_copy(vfc.macaddr, v->macaddr);
+			ionic_set_vf_config(ionic, i, &vfc);
+			eth_zero_addr(vfc.macaddr);
+		}
+
+		if (v->vlanid) {
+			vfc.attr = IONIC_VF_ATTR_VLAN;
+			vfc.vlanid = v->vlanid;
+			ionic_set_vf_config(ionic, i, &vfc);
+			vfc.vlanid = 0;
+		}
+
+		if (v->maxrate) {
+			vfc.attr = IONIC_VF_ATTR_RATE;
+			vfc.maxrate = v->maxrate;
+			ionic_set_vf_config(ionic, i, &vfc);
+			vfc.maxrate = 0;
+		}
+
+		if (v->spoofchk) {
+			vfc.attr = IONIC_VF_ATTR_SPOOFCHK;
+			vfc.spoofchk = v->spoofchk;
+			ionic_set_vf_config(ionic, i, &vfc);
+			vfc.spoofchk = 0;
+		}
+
+		if (v->trusted) {
+			vfc.attr = IONIC_VF_ATTR_TRUST;
+			vfc.trust = v->trusted;
+			ionic_set_vf_config(ionic, i, &vfc);
+			vfc.trust = 0;
+		}
+
+		if (v->linkstate) {
+			vfc.attr = IONIC_VF_ATTR_LINKSTATE;
+			vfc.linkstate = v->linkstate;
+			ionic_set_vf_config(ionic, i, &vfc);
+			vfc.linkstate = 0;
+		}
+	}
+
+	up_read(&ionic->vf_op_lock);
+}
+
 static const struct net_device_ops ionic_netdev_ops = {
 	.ndo_open               = ionic_open,
 	.ndo_stop               = ionic_stop,
@@ -3042,6 +3110,8 @@  static void ionic_lif_handle_fw_up(struct ionic_lif *lif)
 	if (err)
 		goto err_qcqs_free;
 
+	ionic_vf_attr_replay(lif);
+
 	if (lif->registered)
 		ionic_lif_set_netdev_info(lif);