diff options
author | Paolo Bonzini <pbonzini@redhat.com> | 2014-11-03 12:06:21 +0100 |
---|---|---|
committer | Paolo Bonzini <pbonzini@redhat.com> | 2014-11-03 12:06:21 +0100 |
commit | 123b2dd10b4659911ef38458573a57f94cbf5448 (patch) | |
tree | 536765a44b6fb25f024a8387f4677f994015b041 /drivers/net/ethernet/chelsio/cxgb4 | |
parent | f62c95fd4041d669159dd76ac0bb2a7f86b5b05d (diff) | |
parent | 0df1f2487d2f0d04703f142813d53615d62a1da4 (diff) |
Merge remote-tracking branch 'origin/master' into HEAD
Several important fixes went in between 3.18-rc1 and 3.18-rc3, so
KVM/x86 work for 3.19 will be based on 3.18-rc3.
Diffstat (limited to 'drivers/net/ethernet/chelsio/cxgb4')
-rw-r--r-- | drivers/net/ethernet/chelsio/cxgb4/cxgb4_dcb.c | 55 | ||||
-rw-r--r-- | drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c | 7 |
2 files changed, 57 insertions, 5 deletions
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_dcb.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_dcb.c index 8edf0f5bd679..6fe300e316c3 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_dcb.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_dcb.c @@ -60,6 +60,42 @@ void cxgb4_dcb_version_init(struct net_device *dev) dcb->dcb_version = FW_PORT_DCB_VER_AUTO; } +static void cxgb4_dcb_cleanup_apps(struct net_device *dev) +{ + struct port_info *pi = netdev2pinfo(dev); + struct adapter *adap = pi->adapter; + struct port_dcb_info *dcb = &pi->dcb; + struct dcb_app app; + int i, err; + + /* zero priority implies remove */ + app.priority = 0; + + for (i = 0; i < CXGB4_MAX_DCBX_APP_SUPPORTED; i++) { + /* Check if app list is exhausted */ + if (!dcb->app_priority[i].protocolid) + break; + + app.protocol = dcb->app_priority[i].protocolid; + + if (dcb->dcb_version == FW_PORT_DCB_VER_IEEE) { + app.selector = dcb->app_priority[i].sel_field + 1; + err = dcb_ieee_setapp(dev, &app); + } else { + app.selector = !!(dcb->app_priority[i].sel_field); + err = dcb_setapp(dev, &app); + } + + if (err) { + dev_err(adap->pdev_dev, + "Failed DCB Clear %s Application Priority: sel=%d, prot=%d, , err=%d\n", + dcb_ver_array[dcb->dcb_version], app.selector, + app.protocol, -err); + break; + } + } +} + /* Finite State machine for Data Center Bridging. */ void cxgb4_dcb_state_fsm(struct net_device *dev, @@ -80,7 +116,6 @@ void cxgb4_dcb_state_fsm(struct net_device *dev, /* we're going to use Host DCB */ dcb->state = CXGB4_DCB_STATE_HOST; dcb->supported = CXGB4_DCBX_HOST_SUPPORT; - dcb->enabled = 1; break; } @@ -145,6 +180,7 @@ void cxgb4_dcb_state_fsm(struct net_device *dev, * state. We need to reset back to a ground state * of incomplete. */ + cxgb4_dcb_cleanup_apps(dev); cxgb4_dcb_state_init(dev); dcb->state = CXGB4_DCB_STATE_FW_INCOMPLETE; dcb->supported = CXGB4_DCBX_FW_SUPPORT; @@ -349,6 +385,12 @@ static u8 cxgb4_setstate(struct net_device *dev, u8 enabled) { struct port_info *pi = netdev2pinfo(dev); + /* If DCBx is host-managed, dcb is enabled by outside lldp agents */ + if (pi->dcb.state == CXGB4_DCB_STATE_HOST) { + pi->dcb.enabled = enabled; + return 0; + } + /* Firmware doesn't provide any mechanism to control the DCB state. */ if (enabled != (pi->dcb.state == CXGB4_DCB_STATE_FW_ALLSYNCED)) @@ -833,11 +875,16 @@ static int cxgb4_setapp(struct net_device *dev, u8 app_idtype, u16 app_id, /* Return whether IEEE Data Center Bridging has been negotiated. */ -static inline int cxgb4_ieee_negotiation_complete(struct net_device *dev) +static inline int +cxgb4_ieee_negotiation_complete(struct net_device *dev, + enum cxgb4_dcb_fw_msgs dcb_subtype) { struct port_info *pi = netdev2pinfo(dev); struct port_dcb_info *dcb = &pi->dcb; + if (dcb_subtype && !(dcb->msgs & dcb_subtype)) + return 0; + return (dcb->state == CXGB4_DCB_STATE_FW_ALLSYNCED && (dcb->supported & DCB_CAP_DCBX_VER_IEEE)); } @@ -850,7 +897,7 @@ static int cxgb4_ieee_getapp(struct net_device *dev, struct dcb_app *app) { int prio; - if (!cxgb4_ieee_negotiation_complete(dev)) + if (!cxgb4_ieee_negotiation_complete(dev, CXGB4_DCB_FW_APP_ID)) return -EINVAL; if (!(app->selector && app->protocol)) return -EINVAL; @@ -872,7 +919,7 @@ static int cxgb4_ieee_setapp(struct net_device *dev, struct dcb_app *app) { int ret; - if (!cxgb4_ieee_negotiation_complete(dev)) + if (!cxgb4_ieee_negotiation_complete(dev, CXGB4_DCB_FW_APP_ID)) return -EINVAL; if (!(app->selector && app->protocol)) return -EINVAL; diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c index 3f60070f2519..8520d5529df8 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c @@ -694,7 +694,11 @@ int cxgb4_dcb_enabled(const struct net_device *dev) #ifdef CONFIG_CHELSIO_T4_DCB struct port_info *pi = netdev_priv(dev); - return pi->dcb.state == CXGB4_DCB_STATE_FW_ALLSYNCED; + if (!pi->dcb.enabled) + return 0; + + return ((pi->dcb.state == CXGB4_DCB_STATE_FW_ALLSYNCED) || + (pi->dcb.state == CXGB4_DCB_STATE_HOST)); #else return 0; #endif @@ -6610,6 +6614,7 @@ static int init_one(struct pci_dev *pdev, const struct pci_device_id *ent) spin_lock_init(&adapter->stats_lock); spin_lock_init(&adapter->tid_release_lock); + spin_lock_init(&adapter->win0_lock); INIT_WORK(&adapter->tid_release_task, process_tid_release_list); INIT_WORK(&adapter->db_full_task, process_db_full); |