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authorDimitris Michailidis <dm@chelsio.com>2010-08-23 17:20:58 +0000
committerDavid S. Miller <davem@davemloft.net>2010-08-23 20:38:13 -0700
commite46dab4d4be87769b09404135bc34f89e2e155d8 (patch)
tree65f0b0a321939c4b12d40e7674ce93c699c2843e /drivers/net/cxgb4/cxgb4_main.c
parentf04b4dd2b1f533cef0507e0410ffc6732d21a272 (diff)
cxgb4: handle Rx/Tx queue ranges not starting at 0
Currently the driver assumes that queue IDs start at 0 but that's true only for function 0. To support operation on other functions get the start of the queue ranges from FW and offset accordingly. Signed-off-by: Dimitris Michailidis <dm@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/cxgb4/cxgb4_main.c')
-rw-r--r--drivers/net/cxgb4/cxgb4_main.c24
1 files changed, 19 insertions, 5 deletions
diff --git a/drivers/net/cxgb4/cxgb4_main.c b/drivers/net/cxgb4/cxgb4_main.c
index c327527fbbc..6e08e2d8eb3 100644
--- a/drivers/net/cxgb4/cxgb4_main.c
+++ b/drivers/net/cxgb4/cxgb4_main.c
@@ -423,10 +423,11 @@ static int fwevtq_handler(struct sge_rspq *q, const __be64 *rsp,
if (likely(opcode == CPL_SGE_EGR_UPDATE)) {
const struct cpl_sge_egr_update *p = (void *)rsp;
unsigned int qid = EGR_QID(ntohl(p->opcode_qid));
- struct sge_txq *txq = q->adap->sge.egr_map[qid];
+ struct sge_txq *txq;
+ txq = q->adap->sge.egr_map[qid - q->adap->sge.egr_start];
txq->restarts++;
- if ((u8 *)txq < (u8 *)q->adap->sge.ethrxq) {
+ if ((u8 *)txq < (u8 *)q->adap->sge.ofldtxq) {
struct sge_eth_txq *eq;
eq = container_of(txq, struct sge_eth_txq, q);
@@ -658,6 +659,15 @@ static int setup_rss(struct adapter *adap)
}
/*
+ * Return the channel of the ingress queue with the given qid.
+ */
+static unsigned int rxq_to_chan(const struct sge *p, unsigned int qid)
+{
+ qid -= p->ingr_start;
+ return netdev2pinfo(p->ingr_map[qid]->netdev)->tx_chan;
+}
+
+/*
* Wait until all NAPI handlers are descheduled.
*/
static void quiesce_rx(struct adapter *adap)
@@ -2304,7 +2314,7 @@ int cxgb4_create_server(const struct net_device *dev, unsigned int stid,
req->peer_port = htons(0);
req->local_ip = sip;
req->peer_ip = htonl(0);
- chan = netdev2pinfo(adap->sge.ingr_map[queue]->netdev)->tx_chan;
+ chan = rxq_to_chan(&adap->sge, queue);
req->opt0 = cpu_to_be64(TX_CHAN(chan));
req->opt1 = cpu_to_be64(CONN_POLICY_ASK |
SYN_RSS_ENABLE | SYN_RSS_QUEUE(queue));
@@ -2346,7 +2356,7 @@ int cxgb4_create_server6(const struct net_device *dev, unsigned int stid,
req->local_ip_lo = *(__be64 *)(sip->s6_addr + 8);
req->peer_ip_hi = cpu_to_be64(0);
req->peer_ip_lo = cpu_to_be64(0);
- chan = netdev2pinfo(adap->sge.ingr_map[queue]->netdev)->tx_chan;
+ chan = rxq_to_chan(&adap->sge, queue);
req->opt0 = cpu_to_be64(TX_CHAN(chan));
req->opt1 = cpu_to_be64(CONN_POLICY_ASK |
SYN_RSS_ENABLE | SYN_RSS_QUEUE(queue));
@@ -3061,12 +3071,16 @@ static int adap_init0(struct adapter *adap)
params[2] = FW_PARAM_PFVF(L2T_END);
params[3] = FW_PARAM_PFVF(FILTER_START);
params[4] = FW_PARAM_PFVF(FILTER_END);
- ret = t4_query_params(adap, adap->fn, adap->fn, 0, 5, params, val);
+ params[5] = FW_PARAM_PFVF(IQFLINT_START);
+ params[6] = FW_PARAM_PFVF(EQ_START);
+ ret = t4_query_params(adap, adap->fn, adap->fn, 0, 7, params, val);
if (ret < 0)
goto bye;
port_vec = val[0];
adap->tids.ftid_base = val[3];
adap->tids.nftids = val[4] - val[3] + 1;
+ adap->sge.ingr_start = val[5];
+ adap->sge.egr_start = val[6];
if (c.ofldcaps) {
/* query offload-related parameters */