From 14ab989245069907622ab9fd930275c086cee069 Mon Sep 17 00:00:00 2001 From: Divy Le Ray Date: Tue, 30 Jan 2007 19:43:50 -0800 Subject: [PATCH] cxgb3 - bind qsets on multiport adapter Inform FW about the queue set->interface mapping. Signed-off-by: Divy Le Ray Signed-off-by: Jeff Garzik --- drivers/net/cxgb3/adapter.h | 2 + drivers/net/cxgb3/cxgb3_main.c | 68 ++++++++++++++++++++++------------ drivers/net/cxgb3/sge.c | 8 ++++ 3 files changed, 54 insertions(+), 24 deletions(-) diff --git a/drivers/net/cxgb3/adapter.h b/drivers/net/cxgb3/adapter.h index 16643f6d00a9..8902007e8941 100644 --- a/drivers/net/cxgb3/adapter.h +++ b/drivers/net/cxgb3/adapter.h @@ -46,6 +46,7 @@ enum { /* adapter flags */ FULL_INIT_DONE = (1 << 0), USING_MSI = (1 << 1), USING_MSIX = (1 << 2), + QUEUES_BOUND = (1 << 3), }; struct rx_desc; @@ -244,6 +245,7 @@ void t3_free_sge_resources(struct adapter *adap); void t3_sge_err_intr_handler(struct adapter *adapter); intr_handler_t t3_intr_handler(struct adapter *adap, int polling); int t3_eth_xmit(struct sk_buff *skb, struct net_device *dev); +int t3_mgmt_tx(struct adapter *adap, struct sk_buff *skb); void t3_update_qset_coalesce(struct sge_qset *qs, const struct qset_params *p); int t3_sge_alloc_qset(struct adapter *adapter, unsigned int id, int nports, int irq_vec_idx, const struct qset_params *p, diff --git a/drivers/net/cxgb3/cxgb3_main.c b/drivers/net/cxgb3/cxgb3_main.c index 804414637ec7..7e7ee7ae177b 100644 --- a/drivers/net/cxgb3/cxgb3_main.c +++ b/drivers/net/cxgb3/cxgb3_main.c @@ -649,6 +649,37 @@ static void init_port_mtus(struct adapter *adapter) t3_write_reg(adapter, A_TP_MTU_PORT_TABLE, mtus); } +static void send_pktsched_cmd(struct adapter *adap, int sched, int qidx, int lo, + int hi, int port) +{ + struct sk_buff *skb; + struct mngt_pktsched_wr *req; + + skb = alloc_skb(sizeof(*req), GFP_KERNEL | __GFP_NOFAIL); + req = (struct mngt_pktsched_wr *)skb_put(skb, sizeof(*req)); + req->wr_hi = htonl(V_WR_OP(FW_WROPCODE_MNGT)); + req->mngt_opcode = FW_MNGTOPCODE_PKTSCHED_SET; + req->sched = sched; + req->idx = qidx; + req->min = lo; + req->max = hi; + req->binding = port; + t3_mgmt_tx(adap, skb); +} + +static void bind_qsets(struct adapter *adap) +{ + int i, j; + + for_each_port(adap, i) { + const struct port_info *pi = adap2pinfo(adap, i); + + for (j = 0; j < pi->nqsets; ++j) + send_pktsched_cmd(adap, 1, pi->first_qset + j, -1, + -1, i); + } +} + /** * cxgb_up - enable the adapter * @adapter: adapter being enabled @@ -708,6 +739,11 @@ static int cxgb_up(struct adapter *adap) t3_sge_start(adap); t3_intr_enable(adap); + + if ((adap->flags & (USING_MSIX | QUEUES_BOUND)) == USING_MSIX) + bind_qsets(adap); + adap->flags |= QUEUES_BOUND; + out: return err; irq_err: @@ -1830,34 +1866,18 @@ static int cxgb_extension_ioctl(struct net_device *dev, void __user *useraddr) break; } case CHELSIO_SET_PKTSCHED:{ - struct sk_buff *skb; struct ch_pktsched_params p; - struct mngt_pktsched_wr *req; - if (!(adapter->flags & FULL_INIT_DONE)) - return -EIO; /* uP must be up and running */ + if (!capable(CAP_NET_ADMIN)) + return -EPERM; + if (!adapter->open_device_map) + return -EAGAIN; /* uP and SGE must be running */ if (copy_from_user(&p, useraddr, sizeof(p))) - return -EFAULT; - skb = alloc_skb(sizeof(*req), GFP_KERNEL); - if (!skb) - return -ENOMEM; - req = - (struct mngt_pktsched_wr *)skb_put(skb, - sizeof(*req)); - req->wr_hi = htonl(V_WR_OP(FW_WROPCODE_MNGT)); - req->mngt_opcode = FW_MNGTOPCODE_PKTSCHED_SET; - req->sched = p.sched; - req->idx = p.idx; - req->min = p.min; - req->max = p.max; - req->binding = p.binding; - printk(KERN_INFO - "pktsched: sched %u idx %u min %u max %u binding %u\n", - req->sched, req->idx, req->min, req->max, - req->binding); - skb->priority = 1; - offload_tx(&adapter->tdev, skb); + return -EFAULT; + send_pktsched_cmd(adapter, p.sched, p.idx, p.min, p.max, + p.binding); break; + } default: return -EOPNOTSUPP; diff --git a/drivers/net/cxgb3/sge.c b/drivers/net/cxgb3/sge.c index 6c77f4bab62f..ccea06a04402 100644 --- a/drivers/net/cxgb3/sge.c +++ b/drivers/net/cxgb3/sge.c @@ -1198,6 +1198,14 @@ static void restart_ctrlq(unsigned long data) F_SELEGRCNTX | V_EGRCNTX(q->cntxt_id)); } +/* + * Send a management message through control queue 0 + */ +int t3_mgmt_tx(struct adapter *adap, struct sk_buff *skb) +{ + return ctrl_xmit(adap, &adap->sge.qs[0].txq[TXQ_CTRL], skb); +} + /** * write_ofld_wr - write an offload work request * @adap: the adapter -- 2.25.1