[Intel-wired-lan] [RFC PATCH net-next v2 2/3] ixgbe_ipsec: become aware of when running as a bonding slave
Jarod Wilson
jarod at redhat.com
Tue May 5 22:58:37 UTC 2020
Slave devices in a bond doing hardware encryption also need to be aware
that they're slaves, so we operate on the slave instead of the bonding
master to do the actual hardware encryption offload bits.
CC: Jay Vosburgh <j.vosburgh at gmail.com>
CC: Veaceslav Falico <vfalico at gmail.com>
CC: Andy Gospodarek <andy at greyhouse.net>
CC: "David S. Miller" <davem at davemloft.net>
CC: Jeff Kirsher <jeffrey.t.kirsher at intel.com>
CC: Jakub Kicinski <kuba at kernel.org>
CC: Steffen Klassert <steffen.klassert at secunet.com>
CC: Herbert Xu <herbert at gondor.apana.org.au>
CC: netdev at vger.kernel.org
CC: intel-wired-lan at lists.osuosl.org
Signed-off-by: Jarod Wilson <jarod at redhat.com>
---
.../net/ethernet/intel/ixgbe/ixgbe_ipsec.c | 39 +++++++++++++++----
1 file changed, 31 insertions(+), 8 deletions(-)
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_ipsec.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_ipsec.c
index 113f6087c7c9..26b0a58a064d 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_ipsec.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_ipsec.c
@@ -432,6 +432,9 @@ static int ixgbe_ipsec_parse_proto_keys(struct xfrm_state *xs,
char *alg_name = NULL;
int key_len;
+ if (xs->xso.slave_dev)
+ dev = xs->xso.slave_dev;
+
if (!xs->aead) {
netdev_err(dev, "Unsupported IPsec algorithm\n");
return -EINVAL;
@@ -478,8 +481,8 @@ static int ixgbe_ipsec_parse_proto_keys(struct xfrm_state *xs,
static int ixgbe_ipsec_check_mgmt_ip(struct xfrm_state *xs)
{
struct net_device *dev = xs->xso.dev;
- struct ixgbe_adapter *adapter = netdev_priv(dev);
- struct ixgbe_hw *hw = &adapter->hw;
+ struct ixgbe_adapter *adapter;
+ struct ixgbe_hw *hw;
u32 mfval, manc, reg;
int num_filters = 4;
bool manc_ipv4;
@@ -497,6 +500,12 @@ static int ixgbe_ipsec_check_mgmt_ip(struct xfrm_state *xs)
#define BMCIP_V6 0x3
#define BMCIP_MASK 0x3
+ if (xs->xso.slave_dev)
+ dev = xs->xso.slave_dev;
+
+ adapter = netdev_priv(dev);
+ hw = &adapter->hw;
+
manc = IXGBE_READ_REG(hw, IXGBE_MANC);
manc_ipv4 = !!(manc & MANC_EN_IPV4_FILTER);
mfval = IXGBE_READ_REG(hw, IXGBE_MFVAL);
@@ -561,14 +570,21 @@ static int ixgbe_ipsec_check_mgmt_ip(struct xfrm_state *xs)
static int ixgbe_ipsec_add_sa(struct xfrm_state *xs)
{
struct net_device *dev = xs->xso.dev;
- struct ixgbe_adapter *adapter = netdev_priv(dev);
- struct ixgbe_ipsec *ipsec = adapter->ipsec;
- struct ixgbe_hw *hw = &adapter->hw;
+ struct ixgbe_adapter *adapter;
+ struct ixgbe_ipsec *ipsec;
+ struct ixgbe_hw *hw;
int checked, match, first;
u16 sa_idx;
int ret;
int i;
+ if (xs->xso.slave_dev)
+ dev = xs->xso.slave_dev;
+
+ adapter = netdev_priv(dev);
+ ipsec = adapter->ipsec;
+ hw = &adapter->hw;
+
if (xs->id.proto != IPPROTO_ESP && xs->id.proto != IPPROTO_AH) {
netdev_err(dev, "Unsupported protocol 0x%04x for ipsec offload\n",
xs->id.proto);
@@ -746,12 +762,19 @@ static int ixgbe_ipsec_add_sa(struct xfrm_state *xs)
static void ixgbe_ipsec_del_sa(struct xfrm_state *xs)
{
struct net_device *dev = xs->xso.dev;
- struct ixgbe_adapter *adapter = netdev_priv(dev);
- struct ixgbe_ipsec *ipsec = adapter->ipsec;
- struct ixgbe_hw *hw = &adapter->hw;
+ struct ixgbe_adapter *adapter;
+ struct ixgbe_ipsec *ipsec;
+ struct ixgbe_hw *hw;
u32 zerobuf[4] = {0, 0, 0, 0};
u16 sa_idx;
+ if (xs->xso.slave_dev)
+ dev = xs->xso.slave_dev;
+
+ adapter = netdev_priv(dev);
+ ipsec = adapter->ipsec;
+ hw = &adapter->hw;
+
if (xs->xso.flags & XFRM_OFFLOAD_INBOUND) {
struct rx_sa *rsa;
u8 ipi;
--
2.20.1
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