enic: Clean up: Add wrapper routines for firmware devcmd calls
Add wrapper routines that issue devcmds to firmware and ensure that a devcmd lock is held for each devcmd call. Signed-off-by: Scott Feldman <scofeldm@cisco.com> Signed-off-by: Vasanthy Kolluri <vkolluri@cisco.com> Signed-off-by: Roopa Prabhu <roprabhu@cisco.com> Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Vasanthy Kolluri
David S. Miller
Родитель
99ef563901
Коммит
383ab92f11
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@ -145,15 +145,25 @@ static int enic_get_settings(struct net_device *netdev,
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return 0;
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}
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static int enic_dev_fw_info(struct enic *enic,
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struct vnic_devcmd_fw_info **fw_info)
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{
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int err;
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spin_lock(&enic->devcmd_lock);
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err = vnic_dev_fw_info(enic->vdev, fw_info);
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spin_unlock(&enic->devcmd_lock);
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return err;
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}
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static void enic_get_drvinfo(struct net_device *netdev,
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struct ethtool_drvinfo *drvinfo)
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{
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struct enic *enic = netdev_priv(netdev);
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struct vnic_devcmd_fw_info *fw_info;
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spin_lock(&enic->devcmd_lock);
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vnic_dev_fw_info(enic->vdev, &fw_info);
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spin_unlock(&enic->devcmd_lock);
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enic_dev_fw_info(enic, &fw_info);
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strncpy(drvinfo->driver, DRV_NAME, sizeof(drvinfo->driver));
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strncpy(drvinfo->version, DRV_VERSION, sizeof(drvinfo->version));
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@ -191,6 +201,17 @@ static int enic_get_sset_count(struct net_device *netdev, int sset)
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}
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}
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static int enic_dev_stats_dump(struct enic *enic, struct vnic_stats **vstats)
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{
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int err;
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spin_lock(&enic->devcmd_lock);
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err = vnic_dev_stats_dump(enic->vdev, vstats);
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spin_unlock(&enic->devcmd_lock);
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return err;
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}
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static void enic_get_ethtool_stats(struct net_device *netdev,
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struct ethtool_stats *stats, u64 *data)
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{
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@ -198,9 +219,7 @@ static void enic_get_ethtool_stats(struct net_device *netdev,
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struct vnic_stats *vstats;
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unsigned int i;
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spin_lock(&enic->devcmd_lock);
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vnic_dev_stats_dump(enic->vdev, &vstats);
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spin_unlock(&enic->devcmd_lock);
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enic_dev_stats_dump(enic, &vstats);
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for (i = 0; i < enic_n_tx_stats; i++)
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*(data++) = ((u64 *)&vstats->tx)[enic_tx_stats[i].offset];
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@ -411,17 +430,14 @@ static void enic_log_q_error(struct enic *enic)
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}
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}
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static void enic_link_check(struct enic *enic)
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static void enic_msglvl_check(struct enic *enic)
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{
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int link_status = vnic_dev_link_status(enic->vdev);
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int carrier_ok = netif_carrier_ok(enic->netdev);
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u32 msg_enable = vnic_dev_msg_lvl(enic->vdev);
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if (link_status && !carrier_ok) {
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printk(KERN_INFO PFX "%s: Link UP\n", enic->netdev->name);
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netif_carrier_on(enic->netdev);
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} else if (!link_status && carrier_ok) {
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printk(KERN_INFO PFX "%s: Link DOWN\n", enic->netdev->name);
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netif_carrier_off(enic->netdev);
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if (msg_enable != enic->msg_enable) {
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printk(KERN_INFO PFX "%s: msg lvl changed from 0x%x to 0x%x\n",
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enic->netdev->name, enic->msg_enable, msg_enable);
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enic->msg_enable = msg_enable;
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}
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}
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@ -439,14 +455,17 @@ static void enic_mtu_check(struct enic *enic)
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}
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}
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static void enic_msglvl_check(struct enic *enic)
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static void enic_link_check(struct enic *enic)
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{
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u32 msg_enable = vnic_dev_msg_lvl(enic->vdev);
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int link_status = vnic_dev_link_status(enic->vdev);
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int carrier_ok = netif_carrier_ok(enic->netdev);
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if (msg_enable != enic->msg_enable) {
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printk(KERN_INFO PFX "%s: msg lvl changed from 0x%x to 0x%x\n",
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enic->netdev->name, enic->msg_enable, msg_enable);
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enic->msg_enable = msg_enable;
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if (link_status && !carrier_ok) {
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printk(KERN_INFO PFX "%s: Link UP\n", enic->netdev->name);
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netif_carrier_on(enic->netdev);
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} else if (!link_status && carrier_ok) {
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printk(KERN_INFO PFX "%s: Link DOWN\n", enic->netdev->name);
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netif_carrier_off(enic->netdev);
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}
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}
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@ -792,9 +811,7 @@ static struct net_device_stats *enic_get_stats(struct net_device *netdev)
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struct net_device_stats *net_stats = &netdev->stats;
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struct vnic_stats *stats;
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spin_lock(&enic->devcmd_lock);
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vnic_dev_stats_dump(enic->vdev, &stats);
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spin_unlock(&enic->devcmd_lock);
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enic_dev_stats_dump(enic, &stats);
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net_stats->tx_packets = stats->tx.tx_frames_ok;
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net_stats->tx_bytes = stats->tx.tx_bytes_ok;
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@ -892,6 +909,41 @@ static int enic_set_mac_address(struct net_device *netdev, void *p)
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return -EOPNOTSUPP;
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}
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static int enic_dev_packet_filter(struct enic *enic, int directed,
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int multicast, int broadcast, int promisc, int allmulti)
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{
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int err;
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spin_lock(&enic->devcmd_lock);
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err = vnic_dev_packet_filter(enic->vdev, directed,
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multicast, broadcast, promisc, allmulti);
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spin_unlock(&enic->devcmd_lock);
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return err;
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}
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static int enic_dev_add_multicast_addr(struct enic *enic, u8 *addr)
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{
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int err;
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spin_lock(&enic->devcmd_lock);
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err = vnic_dev_add_addr(enic->vdev, addr);
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spin_unlock(&enic->devcmd_lock);
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return err;
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}
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static int enic_dev_del_multicast_addr(struct enic *enic, u8 *addr)
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{
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int err;
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spin_lock(&enic->devcmd_lock);
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err = vnic_dev_del_addr(enic->vdev, addr);
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spin_unlock(&enic->devcmd_lock);
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return err;
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}
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/* netif_tx_lock held, BHs disabled */
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static void enic_set_multicast_list(struct net_device *netdev)
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{
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@ -911,11 +963,9 @@ static void enic_set_multicast_list(struct net_device *netdev)
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if (mc_count > ENIC_MULTICAST_PERFECT_FILTERS)
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mc_count = ENIC_MULTICAST_PERFECT_FILTERS;
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spin_lock(&enic->devcmd_lock);
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if (enic->flags != flags) {
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enic->flags = flags;
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vnic_dev_packet_filter(enic->vdev, directed,
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enic_dev_packet_filter(enic, directed,
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multicast, broadcast, promisc, allmulti);
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}
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@ -938,7 +988,7 @@ static void enic_set_multicast_list(struct net_device *netdev)
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mc_addr[j]) == 0)
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break;
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if (j == mc_count)
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enic_del_multicast_addr(enic, enic->mc_addr[i]);
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enic_dev_del_multicast_addr(enic, enic->mc_addr[i]);
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}
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for (i = 0; i < mc_count; i++) {
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@ -947,7 +997,7 @@ static void enic_set_multicast_list(struct net_device *netdev)
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enic->mc_addr[j]) == 0)
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break;
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if (j == enic->mc_count)
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enic_add_multicast_addr(enic, mc_addr[i]);
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enic_dev_add_multicast_addr(enic, mc_addr[i]);
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}
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/* Save the list to compare against next time
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@ -957,8 +1007,6 @@ static void enic_set_multicast_list(struct net_device *netdev)
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memcpy(enic->mc_addr[i], mc_addr[i], ETH_ALEN);
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enic->mc_count = mc_count;
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spin_unlock(&enic->devcmd_lock);
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}
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/* rtnl lock is held */
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@ -1264,12 +1312,24 @@ static int enic_rq_alloc_buf_a1(struct vnic_rq *rq)
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return 0;
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}
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static int enic_dev_hw_version(struct enic *enic,
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enum vnic_dev_hw_version *hw_ver)
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{
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int err;
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spin_lock(&enic->devcmd_lock);
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err = vnic_dev_hw_version(enic->vdev, hw_ver);
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spin_unlock(&enic->devcmd_lock);
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return err;
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}
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static int enic_set_rq_alloc_buf(struct enic *enic)
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{
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enum vnic_dev_hw_version hw_ver;
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int err;
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err = vnic_dev_hw_version(enic->vdev, &hw_ver);
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err = enic_dev_hw_version(enic, &hw_ver);
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if (err)
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return err;
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@ -1603,7 +1663,7 @@ static void enic_synchronize_irqs(struct enic *enic)
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}
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}
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static int enic_notify_set(struct enic *enic)
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static int enic_dev_notify_set(struct enic *enic)
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{
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int err;
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@ -1624,6 +1684,39 @@ static int enic_notify_set(struct enic *enic)
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return err;
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}
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static int enic_dev_notify_unset(struct enic *enic)
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{
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int err;
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spin_lock(&enic->devcmd_lock);
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err = vnic_dev_notify_unset(enic->vdev);
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spin_unlock(&enic->devcmd_lock);
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return err;
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}
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static int enic_dev_enable(struct enic *enic)
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{
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int err;
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spin_lock(&enic->devcmd_lock);
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err = vnic_dev_enable(enic->vdev);
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spin_unlock(&enic->devcmd_lock);
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return err;
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}
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static int enic_dev_disable(struct enic *enic)
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{
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int err;
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spin_lock(&enic->devcmd_lock);
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err = vnic_dev_disable(enic->vdev);
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spin_unlock(&enic->devcmd_lock);
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return err;
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}
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static void enic_notify_timer_start(struct enic *enic)
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{
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switch (vnic_dev_get_intr_mode(enic->vdev)) {
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@ -1650,7 +1743,7 @@ static int enic_open(struct net_device *netdev)
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return err;
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}
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err = enic_notify_set(enic);
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err = enic_dev_notify_set(enic);
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if (err) {
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printk(KERN_ERR PFX
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"%s: Failed to alloc notify buffer, aborting.\n",
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@ -1680,9 +1773,7 @@ static int enic_open(struct net_device *netdev)
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netif_wake_queue(netdev);
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napi_enable(&enic->napi);
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spin_lock(&enic->devcmd_lock);
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vnic_dev_enable(enic->vdev);
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spin_unlock(&enic->devcmd_lock);
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enic_dev_enable(enic);
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for (i = 0; i < enic->intr_count; i++)
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vnic_intr_unmask(&enic->intr[i]);
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@ -1692,9 +1783,7 @@ static int enic_open(struct net_device *netdev)
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return 0;
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err_out_notify_unset:
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spin_lock(&enic->devcmd_lock);
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vnic_dev_notify_unset(enic->vdev);
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spin_unlock(&enic->devcmd_lock);
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enic_dev_notify_unset(enic);
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err_out_free_intr:
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enic_free_intr(enic);
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@ -1715,9 +1804,7 @@ static int enic_stop(struct net_device *netdev)
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del_timer_sync(&enic->notify_timer);
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spin_lock(&enic->devcmd_lock);
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vnic_dev_disable(enic->vdev);
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spin_unlock(&enic->devcmd_lock);
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enic_dev_disable(enic);
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napi_disable(&enic->napi);
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netif_carrier_off(netdev);
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netif_tx_disable(netdev);
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@ -1735,9 +1822,7 @@ static int enic_stop(struct net_device *netdev)
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return err;
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}
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spin_lock(&enic->devcmd_lock);
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vnic_dev_notify_unset(enic->vdev);
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spin_unlock(&enic->devcmd_lock);
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enic_dev_notify_unset(enic);
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enic_free_intr(enic);
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for (i = 0; i < enic->wq_count; i++)
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@ -1870,15 +1955,31 @@ static int enic_set_niccfg(struct enic *enic)
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const u8 rss_enable = 0;
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const u8 tso_ipid_split_en = 0;
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const u8 ig_vlan_strip_en = 1;
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int err;
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/* Enable VLAN tag stripping. RSS not enabled (yet).
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*/
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return enic_set_nic_cfg(enic,
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spin_lock(&enic->devcmd_lock);
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err = enic_set_nic_cfg(enic,
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rss_default_cpu, rss_hash_type,
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rss_hash_bits, rss_base_cpu,
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rss_enable, tso_ipid_split_en,
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ig_vlan_strip_en);
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spin_unlock(&enic->devcmd_lock);
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return err;
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}
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static int enic_dev_hang_notify(struct enic *enic)
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{
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int err;
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spin_lock(&enic->devcmd_lock);
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err = vnic_dev_hang_notify(enic->vdev);
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spin_unlock(&enic->devcmd_lock);
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return err;
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}
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int enic_dev_set_ig_vlan_rewrite_mode(struct enic *enic)
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@ -1902,10 +2003,7 @@ static void enic_reset(struct work_struct *work)
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rtnl_lock();
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spin_lock(&enic->devcmd_lock);
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vnic_dev_hang_notify(enic->vdev);
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spin_unlock(&enic->devcmd_lock);
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enic_dev_hang_notify(enic);
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enic_stop(enic->netdev);
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enic_dev_hang_reset(enic);
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enic_reset_multicast_list(enic);
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@ -2047,8 +2145,8 @@ static const struct net_device_ops enic_netdev_ops = {
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.ndo_start_xmit = enic_hard_start_xmit,
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.ndo_get_stats = enic_get_stats,
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.ndo_validate_addr = eth_validate_addr,
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.ndo_set_multicast_list = enic_set_multicast_list,
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.ndo_set_mac_address = enic_set_mac_address,
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.ndo_set_multicast_list = enic_set_multicast_list,
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.ndo_change_mtu = enic_change_mtu,
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.ndo_vlan_rx_register = enic_vlan_rx_register,
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.ndo_vlan_rx_add_vid = enic_vlan_rx_add_vid,
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@ -2066,6 +2164,17 @@ void enic_dev_deinit(struct enic *enic)
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enic_clear_intr_mode(enic);
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}
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static int enic_dev_stats_clear(struct enic *enic)
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{
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int err;
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spin_lock(&enic->devcmd_lock);
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err = vnic_dev_stats_clear(enic->vdev);
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spin_unlock(&enic->devcmd_lock);
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return err;
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}
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int enic_dev_init(struct enic *enic)
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{
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struct net_device *netdev = enic->netdev;
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@ -2110,6 +2219,10 @@ int enic_dev_init(struct enic *enic)
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enic_init_vnic_resources(enic);
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/* Clear LIF stats
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*/
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enic_dev_stats_clear(enic);
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err = enic_set_rq_alloc_buf(enic);
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if (err) {
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printk(KERN_ERR PFX
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@ -2293,6 +2406,11 @@ static int __devinit enic_probe(struct pci_dev *pdev,
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}
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}
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/* Setup devcmd lock
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*/
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spin_lock_init(&enic->devcmd_lock);
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err = enic_dev_init(enic);
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if (err) {
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printk(KERN_ERR PFX
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@ -2300,7 +2418,7 @@ static int __devinit enic_probe(struct pci_dev *pdev,
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goto err_out_dev_close;
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}
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/* Setup notification timer, HW reset task, and locks
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/* Setup notification timer, HW reset task, and wq locks
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*/
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init_timer(&enic->notify_timer);
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@ -2312,8 +2430,6 @@ static int __devinit enic_probe(struct pci_dev *pdev,
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for (i = 0; i < enic->wq_count; i++)
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spin_lock_init(&enic->wq_lock[i]);
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spin_lock_init(&enic->devcmd_lock);
|
||||
|
||||
/* Register net device
|
||||
*/
|
||||
|
||||
|
|
|
|||
|
|
@ -103,17 +103,7 @@ int enic_get_vnic_config(struct enic *enic)
|
|||
return 0;
|
||||
}
|
||||
|
||||
void enic_add_multicast_addr(struct enic *enic, u8 *addr)
|
||||
{
|
||||
vnic_dev_add_addr(enic->vdev, addr);
|
||||
}
|
||||
|
||||
void enic_del_multicast_addr(struct enic *enic, u8 *addr)
|
||||
{
|
||||
vnic_dev_del_addr(enic->vdev, addr);
|
||||
}
|
||||
|
||||
void enic_add_vlan(struct enic *enic, u16 vlanid)
|
||||
int enic_add_vlan(struct enic *enic, u16 vlanid)
|
||||
{
|
||||
u64 a0 = vlanid, a1 = 0;
|
||||
int wait = 1000;
|
||||
|
|
@ -122,9 +112,11 @@ void enic_add_vlan(struct enic *enic, u16 vlanid)
|
|||
err = vnic_dev_cmd(enic->vdev, CMD_VLAN_ADD, &a0, &a1, wait);
|
||||
if (err)
|
||||
printk(KERN_ERR PFX "Can't add vlan id, %d\n", err);
|
||||
|
||||
return err;
|
||||
}
|
||||
|
||||
void enic_del_vlan(struct enic *enic, u16 vlanid)
|
||||
int enic_del_vlan(struct enic *enic, u16 vlanid)
|
||||
{
|
||||
u64 a0 = vlanid, a1 = 0;
|
||||
int wait = 1000;
|
||||
|
|
@ -133,6 +125,8 @@ void enic_del_vlan(struct enic *enic, u16 vlanid)
|
|||
err = vnic_dev_cmd(enic->vdev, CMD_VLAN_DEL, &a0, &a1, wait);
|
||||
if (err)
|
||||
printk(KERN_ERR PFX "Can't delete vlan id, %d\n", err);
|
||||
|
||||
return err;
|
||||
}
|
||||
|
||||
int enic_set_nic_cfg(struct enic *enic, u8 rss_default_cpu, u8 rss_hash_type,
|
||||
|
|
@ -304,11 +298,6 @@ void enic_init_vnic_resources(struct enic *enic)
|
|||
enic->config.intr_timer_type,
|
||||
mask_on_assertion);
|
||||
}
|
||||
|
||||
/* Clear LIF stats
|
||||
*/
|
||||
|
||||
vnic_dev_stats_clear(enic->vdev);
|
||||
}
|
||||
|
||||
int enic_alloc_vnic_resources(struct enic *enic)
|
||||
|
|
|
|||
|
|
@ -131,10 +131,8 @@ static inline void enic_queue_rq_desc(struct vnic_rq *rq,
|
|||
struct enic;
|
||||
|
||||
int enic_get_vnic_config(struct enic *);
|
||||
void enic_add_multicast_addr(struct enic *enic, u8 *addr);
|
||||
void enic_del_multicast_addr(struct enic *enic, u8 *addr);
|
||||
void enic_add_vlan(struct enic *enic, u16 vlanid);
|
||||
void enic_del_vlan(struct enic *enic, u16 vlanid);
|
||||
int enic_add_vlan(struct enic *enic, u16 vlanid);
|
||||
int enic_del_vlan(struct enic *enic, u16 vlanid);
|
||||
int enic_set_nic_cfg(struct enic *enic, u8 rss_default_cpu, u8 rss_hash_type,
|
||||
u8 rss_hash_bits, u8 rss_base_cpu, u8 rss_enable, u8 tso_ipid_split_en,
|
||||
u8 ig_vlan_strip_en);
|
||||
|
|
|
|||
|
|
@ -550,7 +550,7 @@ int vnic_dev_mac_addr(struct vnic_dev *vdev, u8 *mac_addr)
|
|||
return 0;
|
||||
}
|
||||
|
||||
void vnic_dev_packet_filter(struct vnic_dev *vdev, int directed, int multicast,
|
||||
int vnic_dev_packet_filter(struct vnic_dev *vdev, int directed, int multicast,
|
||||
int broadcast, int promisc, int allmulti)
|
||||
{
|
||||
u64 a0, a1 = 0;
|
||||
|
|
@ -566,6 +566,8 @@ void vnic_dev_packet_filter(struct vnic_dev *vdev, int directed, int multicast,
|
|||
err = vnic_dev_cmd(vdev, CMD_PACKET_FILTER, &a0, &a1, wait);
|
||||
if (err)
|
||||
printk(KERN_ERR "Can't set packet filter\n");
|
||||
|
||||
return err;
|
||||
}
|
||||
|
||||
int vnic_dev_add_addr(struct vnic_dev *vdev, u8 *addr)
|
||||
|
|
@ -670,22 +672,25 @@ int vnic_dev_notify_set(struct vnic_dev *vdev, u16 intr)
|
|||
return vnic_dev_notify_setcmd(vdev, notify_addr, notify_pa, intr);
|
||||
}
|
||||
|
||||
void vnic_dev_notify_unsetcmd(struct vnic_dev *vdev)
|
||||
int vnic_dev_notify_unsetcmd(struct vnic_dev *vdev)
|
||||
{
|
||||
u64 a0, a1;
|
||||
int wait = 1000;
|
||||
int err;
|
||||
|
||||
a0 = 0; /* paddr = 0 to unset notify buffer */
|
||||
a1 = 0x0000ffff00000000ULL; /* intr num = -1 to unreg for intr */
|
||||
a1 += sizeof(struct vnic_devcmd_notify);
|
||||
|
||||
vnic_dev_cmd(vdev, CMD_NOTIFY, &a0, &a1, wait);
|
||||
err = vnic_dev_cmd(vdev, CMD_NOTIFY, &a0, &a1, wait);
|
||||
vdev->notify = NULL;
|
||||
vdev->notify_pa = 0;
|
||||
vdev->notify_sz = 0;
|
||||
|
||||
return err;
|
||||
}
|
||||
|
||||
void vnic_dev_notify_unset(struct vnic_dev *vdev)
|
||||
int vnic_dev_notify_unset(struct vnic_dev *vdev)
|
||||
{
|
||||
if (vdev->notify) {
|
||||
pci_free_consistent(vdev->pdev,
|
||||
|
|
@ -694,7 +699,7 @@ void vnic_dev_notify_unset(struct vnic_dev *vdev)
|
|||
vdev->notify_pa);
|
||||
}
|
||||
|
||||
vnic_dev_notify_unsetcmd(vdev);
|
||||
return vnic_dev_notify_unsetcmd(vdev);
|
||||
}
|
||||
|
||||
static int vnic_dev_notify_ready(struct vnic_dev *vdev)
|
||||
|
|
@ -839,6 +844,14 @@ u32 vnic_dev_notify_status(struct vnic_dev *vdev)
|
|||
return vdev->notify_copy.status;
|
||||
}
|
||||
|
||||
u32 vnic_dev_uif(struct vnic_dev *vdev)
|
||||
{
|
||||
if (!vnic_dev_notify_ready(vdev))
|
||||
return 0;
|
||||
|
||||
return vdev->notify_copy.uif;
|
||||
}
|
||||
|
||||
void vnic_dev_set_intr_mode(struct vnic_dev *vdev,
|
||||
enum vnic_dev_intr_mode intr_mode)
|
||||
{
|
||||
|
|
|
|||
|
|
@ -101,7 +101,7 @@ int vnic_dev_spec(struct vnic_dev *vdev, unsigned int offset, unsigned int size,
|
|||
int vnic_dev_stats_clear(struct vnic_dev *vdev);
|
||||
int vnic_dev_stats_dump(struct vnic_dev *vdev, struct vnic_stats **stats);
|
||||
int vnic_dev_hang_notify(struct vnic_dev *vdev);
|
||||
void vnic_dev_packet_filter(struct vnic_dev *vdev, int directed, int multicast,
|
||||
int vnic_dev_packet_filter(struct vnic_dev *vdev, int directed, int multicast,
|
||||
int broadcast, int promisc, int allmulti);
|
||||
int vnic_dev_add_addr(struct vnic_dev *vdev, u8 *addr);
|
||||
int vnic_dev_del_addr(struct vnic_dev *vdev, u8 *addr);
|
||||
|
|
@ -110,14 +110,15 @@ int vnic_dev_raise_intr(struct vnic_dev *vdev, u16 intr);
|
|||
int vnic_dev_notify_setcmd(struct vnic_dev *vdev,
|
||||
void *notify_addr, dma_addr_t notify_pa, u16 intr);
|
||||
int vnic_dev_notify_set(struct vnic_dev *vdev, u16 intr);
|
||||
void vnic_dev_notify_unsetcmd(struct vnic_dev *vdev);
|
||||
void vnic_dev_notify_unset(struct vnic_dev *vdev);
|
||||
int vnic_dev_notify_unsetcmd(struct vnic_dev *vdev);
|
||||
int vnic_dev_notify_unset(struct vnic_dev *vdev);
|
||||
int vnic_dev_link_status(struct vnic_dev *vdev);
|
||||
u32 vnic_dev_port_speed(struct vnic_dev *vdev);
|
||||
u32 vnic_dev_msg_lvl(struct vnic_dev *vdev);
|
||||
u32 vnic_dev_mtu(struct vnic_dev *vdev);
|
||||
u32 vnic_dev_link_down_cnt(struct vnic_dev *vdev);
|
||||
u32 vnic_dev_notify_status(struct vnic_dev *vdev);
|
||||
u32 vnic_dev_uif(struct vnic_dev *vdev);
|
||||
int vnic_dev_close(struct vnic_dev *vdev);
|
||||
int vnic_dev_enable(struct vnic_dev *vdev);
|
||||
int vnic_dev_disable(struct vnic_dev *vdev);
|
||||
|
|
|
|||
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