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cxgbe(4): Specify the ingress queue's type when creating it.

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The firmware takes the type into account when setting up the PCIe
channel for the queue.

MFC after:	1 week
Sponsored by:	Chelsio Communications
This commit is contained in:
Navdeep Parhar 2022-09-08 11:47:38 -07:00
parent c198adf394
commit c387ff0045
3 changed files with 18 additions and 7 deletions
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8
sys/dev/cxgbe/adapter.h
View File

@ -372,6 +372,11 @@ struct iq_desc {
CTASSERT(sizeof(struct iq_desc) == IQ_ESIZE);
enum {
/* iq type */
IQ_OTHER = FW_IQ_IQTYPE_OTHER,
IQ_ETH = FW_IQ_IQTYPE_NIC,
IQ_OFLD = FW_IQ_IQTYPE_OFLD,
/* iq flags */
IQ_SW_ALLOCATED = (1 << 0), /* sw resources allocated */
IQ_HAS_FL = (1 << 1), /* iq associated with a freelist */
@ -415,7 +420,8 @@ typedef int (*fw_msg_handler_t)(struct adapter *, const __be64 *);
* Ingress Queue: T4 is producer, driver is consumer.
*/
struct sge_iq {
uint32_t flags;
uint16_t flags;
uint8_t qtype;
volatile int state;
struct adapter *adapter;
struct iq_desc *desc; /* KVA of descriptor ring */

1
sys/dev/cxgbe/t4_netmap.c
View File

@ -326,6 +326,7 @@ alloc_nm_rxq_hwq(struct vi_info *vi, struct sge_nm_rxq *nm_rxq, int cong)
}
c.iqns_to_fl0congen |=
htobe32(V_FW_IQ_CMD_FL0HOSTFCMODE(X_HOSTFCMODE_NONE) |
V_FW_IQ_CMD_IQTYPE(FW_IQ_IQTYPE_NIC) |
F_FW_IQ_CMD_FL0FETCHRO | F_FW_IQ_CMD_FL0DATARO |
(fl_pad ? F_FW_IQ_CMD_FL0PADEN : 0) |
(black_hole == 2 ? F_FW_IQ_CMD_FL0PACKEN : 0));

16
sys/dev/cxgbe/t4_sge.c
View File

@ -236,7 +236,7 @@ static struct mbuf *get_fl_payload(struct adapter *, struct sge_fl *, uint32_t);
static int eth_rx(struct adapter *, struct sge_rxq *, const struct iq_desc *,
u_int);
static inline void init_iq(struct sge_iq *, struct adapter *, int, int, int,
int, int);
int, int, int);
static inline void init_fl(struct adapter *, struct sge_fl *, int, int, char *);
static inline void init_eq(struct adapter *, struct sge_eq *, int, int, uint8_t,
struct sge_iq *, char *);
@ -3357,7 +3357,7 @@ eth_tx(struct mp_ring *r, u_int cidx, u_int pidx, bool *coalescing)
static inline void
init_iq(struct sge_iq *iq, struct adapter *sc, int tmr_idx, int pktc_idx,
int qsize, int intr_idx, int cong)
int qsize, int intr_idx, int cong, int qtype)
{
KASSERT(tmr_idx >= 0 && tmr_idx < SGE_NTIMERS,
@ -3366,10 +3366,13 @@ init_iq(struct sge_iq *iq, struct adapter *sc, int tmr_idx, int pktc_idx,
("%s: bad pktc_idx %d", __func__, pktc_idx));
KASSERT(intr_idx >= -1 && intr_idx < sc->intr_count,
("%s: bad intr_idx %d", __func__, intr_idx));
KASSERT(qtype == FW_IQ_IQTYPE_OTHER || qtype == FW_IQ_IQTYPE_NIC ||
qtype == FW_IQ_IQTYPE_OFLD, ("%s: bad qtype %d", __func__, qtype));
iq->flags = 0;
iq->state = IQS_DISABLED;
iq->adapter = sc;
iq->qtype = qtype;
iq->intr_params = V_QINTR_TIMER_IDX(tmr_idx);
iq->intr_pktc_idx = SGE_NCOUNTERS - 1;
if (pktc_idx >= 0) {
@ -3585,8 +3588,9 @@ alloc_iq_fl_hwq(struct vi_info *vi, struct sge_iq *iq, struct sge_fl *fl)
V_FW_IQ_CMD_IQESIZE(ilog2(IQ_ESIZE) - 4));
c.iqsize = htobe16(iq->qsize);
c.iqaddr = htobe64(iq->ba);
c.iqns_to_fl0congen = htobe32(V_FW_IQ_CMD_IQTYPE(iq->qtype));
if (iq->cong >= 0)
c.iqns_to_fl0congen = htobe32(F_FW_IQ_CMD_IQFLINTCONGEN);
c.iqns_to_fl0congen |= htobe32(F_FW_IQ_CMD_IQFLINTCONGEN);
if (fl) {
bzero(fl->desc, fl->sidx * EQ_ESIZE + sc->params.sge.spg_len);
@ -3802,7 +3806,7 @@ alloc_fwq(struct adapter *sc)
intr_idx = 0;
else
intr_idx = sc->intr_count > 1 ? 1 : 0;
init_iq(fwq, sc, 0, 0, FW_IQ_QSIZE, intr_idx, -1);
init_iq(fwq, sc, 0, 0, FW_IQ_QSIZE, intr_idx, -1, IQ_OTHER);
rc = alloc_iq_fl(vi, fwq, NULL, &sc->ctx, sc->fwq_oid);
if (rc != 0) {
CH_ERR(sc, "failed to allocate fwq: %d\n", rc);
@ -3956,7 +3960,7 @@ alloc_rxq(struct vi_info *vi, struct sge_rxq *rxq, int idx, int intr_idx,
"rx queue");
init_iq(&rxq->iq, sc, vi->tmr_idx, vi->pktc_idx, vi->qsize_rxq,
intr_idx, tnl_cong(vi->pi, cong_drop));
intr_idx, tnl_cong(vi->pi, cong_drop), IQ_ETH);
#if defined(INET) || defined(INET6)
if (ifp->if_capenable & IFCAP_LRO)
rxq->iq.flags |= IQ_LRO_ENABLED;
@ -4079,7 +4083,7 @@ alloc_ofld_rxq(struct vi_info *vi, struct sge_ofld_rxq *ofld_rxq, int idx,
CTLFLAG_RD | CTLFLAG_MPSAFE, NULL, "offload rx queue");
init_iq(&ofld_rxq->iq, sc, vi->ofld_tmr_idx, vi->ofld_pktc_idx,
vi->qsize_rxq, intr_idx, 0);
vi->qsize_rxq, intr_idx, 0, IQ_OFLD);
snprintf(name, sizeof(name), "%s ofld_rxq%d-fl",
device_get_nameunit(vi->dev), idx);
init_fl(sc, &ofld_rxq->fl, vi->qsize_rxq / 8, maxp, name);