netdev - [PATCH 08/10] bna: Restore VLAN filter table

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:	Tue, 21 Dec 2010 23:23:14 -0800
From:	Rasesh Mody <rmody@...cade.com>
To:	<netdev@...r.kernel.org>
CC:	Rasesh Mody <rmody@...cade.com>, Debashis Dutt <ddutt@...cade.com>
Subject: [PATCH 08/10] bna: Restore VLAN filter table

Change details:
	- Retrieve the VLAN configuration from the networking stack and apply it to the base interface during ifconfig up

Signed-off-by: Debashis Dutt <ddutt@...cade.com>
Signed-off-by: Rasesh Mody <rmody@...cade.com>
---
 drivers/net/bna/bnad.c |   29 +++++++++++++++++++++++++++--
 1 files changed, 27 insertions(+), 2 deletions(-)

diff --git a/drivers/net/bna/bnad.c b/drivers/net/bna/bnad.c
index 79d84f2..200df60 100644
--- a/drivers/net/bna/bnad.c
+++ b/drivers/net/bna/bnad.c
@@ -566,7 +566,8 @@ bnad_enable_rx_irq(struct bnad *bnad, struct bna_ccb *ccb)
 {
 	unsigned long flags;
 
-	spin_lock_irqsave(&bnad->bna_lock, flags); /* Because of polling context */
+	/* Because of polling context */
+	spin_lock_irqsave(&bnad->bna_lock, flags);
 	bnad_enable_rx_irq_unsafe(ccb);
 	spin_unlock_irqrestore(&bnad->bna_lock, flags);
 }
@@ -1962,6 +1963,27 @@ bnad_enable_default_bcast(struct bnad *bnad)
 	return 0;
 }
 
+/* Called with bnad_conf_lock() held */
+static void
+bnad_restore_vlans(struct bnad *bnad, u32 rx_id)
+{
+	u16 vlan_id;
+	unsigned long flags;
+
+	if (!bnad->vlan_grp)
+		return;
+
+	BUG_ON(!(VLAN_N_VID == (BFI_MAX_VLAN + 1)));
+
+	for (vlan_id = 0; vlan_id < VLAN_N_VID; vlan_id++) {
+		if (!vlan_group_get_device(bnad->vlan_grp, vlan_id))
+			continue;
+		spin_lock_irqsave(&bnad->bna_lock, flags);
+		bna_rx_vlan_add(bnad->rx_info[rx_id].rx, vlan_id);
+		spin_unlock_irqrestore(&bnad->bna_lock, flags);
+	}
+}
+
 /* Statistics utilities */
 void
 bnad_netdev_qstats_fill(struct bnad *bnad, struct rtnl_link_stats64 *stats)
@@ -2337,6 +2359,9 @@ bnad_open(struct net_device *netdev)
 	/* Enable broadcast */
 	bnad_enable_default_bcast(bnad);
 
+	/* Restore VLANs, if any */
+	bnad_restore_vlans(bnad, 0);
+
 	/* Set the UCAST address */
 	spin_lock_irqsave(&bnad->bna_lock, flags);
 	bnad_mac_addr_set_locked(bnad, netdev->dev_addr);
@@ -3021,7 +3046,7 @@ static int __devinit
 bnad_pci_probe(struct pci_dev *pdev,
 		const struct pci_device_id *pcidev_id)
 {
-	bool 	using_dac;
+	bool 	using_dac = false;
 	int 	err;
 	struct bnad *bnad;
 	struct bna *bna;
-- 
1.7.1

--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html