qlcnic: Fix tunnel offload for 82xx adapters

Qlogic's 82xx series adapter doesn't support
tunnel offloads, driver incorrectly assumes that it is
supported and causes firmware hang while running tunnel IO.

This patch fixes this by not advertising tunnel offloads
for 82xx adapters.

Signed-off-by: Manish Chopra <manish.chopra@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h b/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h
index 7245b1072518fff31566c471b6eb32b512e41846..81312924df1407092fd1dd43cc0555d16976160b 100644 (file)
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h
@@ -1824,22 +1824,44 @@ struct qlcnic_hardware_ops {
        u32 (*get_cap_size)(void *, int);
        void (*set_sys_info)(void *, int, u32);
        void (*store_cap_mask)(void *, u32);
+       bool (*encap_rx_offload) (struct qlcnic_adapter *adapter);
+       bool (*encap_tx_offload) (struct qlcnic_adapter *adapter);
 };
 
 extern struct qlcnic_nic_template qlcnic_vf_ops;
 
-static inline bool qlcnic_encap_tx_offload(struct qlcnic_adapter *adapter)
+static inline bool qlcnic_83xx_encap_tx_offload(struct qlcnic_adapter *adapter)
 {
        return adapter->ahw->extra_capability[0] &
               QLCNIC_83XX_FW_CAPAB_ENCAP_TX_OFFLOAD;
 }
 
-static inline bool qlcnic_encap_rx_offload(struct qlcnic_adapter *adapter)
+static inline bool qlcnic_83xx_encap_rx_offload(struct qlcnic_adapter *adapter)
 {
        return adapter->ahw->extra_capability[0] &
               QLCNIC_83XX_FW_CAPAB_ENCAP_RX_OFFLOAD;
 }
 
+static inline bool qlcnic_82xx_encap_tx_offload(struct qlcnic_adapter *adapter)
+{
+       return false;
+}
+
+static inline bool qlcnic_82xx_encap_rx_offload(struct qlcnic_adapter *adapter)
+{
+        return false;
+}
+
+static inline bool qlcnic_encap_rx_offload(struct qlcnic_adapter *adapter)
+{
+        return adapter->ahw->hw_ops->encap_rx_offload(adapter);
+}
+
+static inline bool qlcnic_encap_tx_offload(struct qlcnic_adapter *adapter)
+{
+        return adapter->ahw->hw_ops->encap_tx_offload(adapter);
+}
+
 static inline int qlcnic_start_firmware(struct qlcnic_adapter *adapter)
 {
        return adapter->nic_ops->start_firmware(adapter);

diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c
index 4fb68797630e9531e7ffc4e7bc7c015313a44063..f7080d0ab8746263c6955163640964eac2fd2cb0 100644 (file)
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c
@@ -242,6 +242,8 @@ static struct qlcnic_hardware_ops qlcnic_83xx_hw_ops = {
        .get_cap_size                   = qlcnic_83xx_get_cap_size,
        .set_sys_info                   = qlcnic_83xx_set_sys_info,
        .store_cap_mask                 = qlcnic_83xx_store_cap_mask,
+       .encap_rx_offload               = qlcnic_83xx_encap_rx_offload,
+       .encap_tx_offload               = qlcnic_83xx_encap_tx_offload,
 };
 
 static struct qlcnic_nic_template qlcnic_83xx_ops = {

diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
index b6628aaa6e4a45a8eaecd9d5fc4ea8136d7a07af..1b5f7d57b6f8fed6a8b232adfdee76b2cbaff13f 100644 (file)
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
@@ -632,6 +632,8 @@ static struct qlcnic_hardware_ops qlcnic_hw_ops = {
        .get_cap_size                   = qlcnic_82xx_get_cap_size,
        .set_sys_info                   = qlcnic_82xx_set_sys_info,
        .store_cap_mask                 = qlcnic_82xx_store_cap_mask,
+       .encap_rx_offload               = qlcnic_82xx_encap_rx_offload,
+       .encap_tx_offload               = qlcnic_82xx_encap_tx_offload,
 };
 
 static int qlcnic_check_multi_tx_capability(struct qlcnic_adapter *adapter)

diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c
index 2f656f395f39699e4cec53f4ff25ea7e745d1041..c58180f408448e9a86a7ce40c6fb286063a6afb0 100644 (file)
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c
@@ -77,6 +77,8 @@ static struct qlcnic_hardware_ops qlcnic_sriov_vf_hw_ops = {
        .free_mac_list                  = qlcnic_sriov_vf_free_mac_list,
        .enable_sds_intr                = qlcnic_83xx_enable_sds_intr,
        .disable_sds_intr               = qlcnic_83xx_disable_sds_intr,
+       .encap_rx_offload               = qlcnic_83xx_encap_rx_offload,
+       .encap_tx_offload               = qlcnic_83xx_encap_tx_offload,
 };
 
 static struct qlcnic_nic_template qlcnic_sriov_vf_ops = {