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ionic: replay filters after fw upgrade

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The NIC's filters are lost in the midst of the fw-upgrade
so we need to replay them into the FW.  We also remove the
unused ionic_rx_filter_del() function.

Fixes: c672412f61 ("ionic: remove lifs on fw reset")
Signed-off-by: Shannon Nelson <snelson@pensando.io>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Shannon Nelson 2020-04-08 09:19:11 -07:00 committed by David S. Miller
parent cb9533d1c6
commit 7e4d47596b
3 changed files with 50 additions and 14 deletions
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12
drivers/net/ethernet/pensando/ionic/ionic_lif.c
View File

@ -2127,6 +2127,8 @@ static void ionic_lif_handle_fw_up(struct ionic_lif *lif)
if (lif->registered)
ionic_lif_set_netdev_info(lif);
ionic_rx_filter_replay(lif);
if (netif_running(lif->netdev)) {
err = ionic_txrx_alloc(lif);
if (err)
@ -2206,9 +2208,9 @@ static void ionic_lif_deinit(struct ionic_lif *lif)
if (!test_bit(IONIC_LIF_F_FW_RESET, lif->state)) {
cancel_work_sync(&lif->deferred.work);
cancel_work_sync(&lif->tx_timeout_work);
ionic_rx_filters_deinit(lif);
}
ionic_rx_filters_deinit(lif);
if (lif->netdev->features & NETIF_F_RXHASH)
ionic_lif_rss_deinit(lif);
@ -2421,9 +2423,11 @@ static int ionic_lif_init(struct ionic_lif *lif)
if (err)
goto err_out_notifyq_deinit;
err = ionic_rx_filters_init(lif);
if (err)
goto err_out_notifyq_deinit;
if (!test_bit(IONIC_LIF_F_FW_RESET, lif->state)) {
err = ionic_rx_filters_init(lif);
if (err)
goto err_out_notifyq_deinit;
}
err = ionic_station_set(lif);
if (err)

50
drivers/net/ethernet/pensando/ionic/ionic_rx_filter.c
View File

@ -17,17 +17,49 @@ void ionic_rx_filter_free(struct ionic_lif *lif, struct ionic_rx_filter *f)
devm_kfree(dev, f);
}
int ionic_rx_filter_del(struct ionic_lif *lif, struct ionic_rx_filter *f)
void ionic_rx_filter_replay(struct ionic_lif *lif)
{
struct ionic_admin_ctx ctx = {
.work = COMPLETION_INITIALIZER_ONSTACK(ctx.work),
.cmd.rx_filter_del = {
.opcode = IONIC_CMD_RX_FILTER_DEL,
.filter_id = cpu_to_le32(f->filter_id),
},
};
struct ionic_rx_filter_add_cmd *ac;
struct ionic_admin_ctx ctx;
struct ionic_rx_filter *f;
struct hlist_head *head;
struct hlist_node *tmp;
unsigned int i;
int err = 0;
return ionic_adminq_post_wait(lif, &ctx);
ac = &ctx.cmd.rx_filter_add;
for (i = 0; i < IONIC_RX_FILTER_HLISTS; i++) {
head = &lif->rx_filters.by_id[i];
hlist_for_each_entry_safe(f, tmp, head, by_id) {
ctx.work = COMPLETION_INITIALIZER_ONSTACK(ctx.work);
memcpy(ac, &f->cmd, sizeof(f->cmd));
dev_dbg(&lif->netdev->dev, "replay filter command:\n");
dynamic_hex_dump("cmd ", DUMP_PREFIX_OFFSET, 16, 1,
&ctx.cmd, sizeof(ctx.cmd), true);
err = ionic_adminq_post_wait(lif, &ctx);
if (err) {
switch (le16_to_cpu(ac->match)) {
case IONIC_RX_FILTER_MATCH_VLAN:
netdev_info(lif->netdev, "Replay failed - %d: vlan %d\n",
err,
le16_to_cpu(ac->vlan.vlan));
break;
case IONIC_RX_FILTER_MATCH_MAC:
netdev_info(lif->netdev, "Replay failed - %d: mac %pM\n",
err, ac->mac.addr);
break;
case IONIC_RX_FILTER_MATCH_MAC_VLAN:
netdev_info(lif->netdev, "Replay failed - %d: vlan %d mac %pM\n",
err,
le16_to_cpu(ac->vlan.vlan),
ac->mac.addr);
break;
}
}
}
}
}
int ionic_rx_filters_init(struct ionic_lif *lif)

2
drivers/net/ethernet/pensando/ionic/ionic_rx_filter.h
View File

@ -24,7 +24,7 @@ struct ionic_rx_filters {
};
void ionic_rx_filter_free(struct ionic_lif *lif, struct ionic_rx_filter *f);
int ionic_rx_filter_del(struct ionic_lif *lif, struct ionic_rx_filter *f);
void ionic_rx_filter_replay(struct ionic_lif *lif);
int ionic_rx_filters_init(struct ionic_lif *lif);
void ionic_rx_filters_deinit(struct ionic_lif *lif);
int ionic_rx_filter_save(struct ionic_lif *lif, u32 flow_id, u16 rxq_index,